/* ═══════════════════════════════════════════════ */
/*  PALETA KOLORÓW — kozakmichal.pl               */
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:root {
  /* Dominant Dynamic Color — Electric Blue */
  --color-primary: #2563EB;
  --color-primary-light: #3B82F6;
  --color-primary-dark: #1D4ED8;
  --color-primary-50: #EFF6FF;
  /* tło subtelne niebieskie */
  --color-primary-100: #DBEAFE;
  /* tło sekcji alternatywnych */
  --color-primary-900: #1E3A8A;
  /* tekst na jasnym niebieskim tle */

  /* Neutralne — jasna baza */
  --color-white: #FFFFFF;
  --color-gray-50: #F8FAFC;
  /* tło sekcji alternatywnych */
  --color-gray-100: #F1F5F9;
  /* tło kart */
  --color-gray-200: #E2E8F0;
  /* bordery */
  --color-gray-400: #94A3B8;
  /* tekst pomocniczy */
  --color-gray-600: #475569;
  /* tekst body */
  --color-gray-800: #1E293B;
  /* tekst heading */
  --color-gray-900: #0F172A;
  /* tekst najciemniejszy */

  /* Akcenty dodatkowe */
  --color-accent-warm: #F59E0B;
  /* gold — na CTA drugorzędne */
  --color-accent-success: #10B981;
  /* zielony — statusy, checkmarki */

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #2563EB 0%, #1D4ED8 50%, #1E3A8A 100%);
  --gradient-card: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(15, 23, 42, 0.7) 100%);

  /* ═══════════════════════════════════════════════ */
  /*  TYPOGRAFIA                                     */
  /* ═══════════════════════════════════════════════ */

  /* Font Family — Google Fonts */
  --font-heading: 'Inter', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Font Sizes — fluid typography z clamp() */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.5rem + 3.75vw, 3.5rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 4.5rem);

  /* Line Heights */
  --leading-tight: 1.15;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;

  /* Font Weights */
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;

  /* ═══════════════════════════════════════════════ */
  /*  SPACING & SHADOWS                              */
  /* ═══════════════════════════════════════════════ */

  --space-1: 0.25rem;
  /* 4px */
  --space-2: 0.5rem;
  /* 8px */
  --space-3: 0.75rem;
  /* 12px */
  --space-4: 1rem;
  /* 16px */
  --space-6: 1.5rem;
  /* 24px */
  --space-8: 2rem;
  /* 32px */
  --space-12: 3rem;
  /* 48px */
  --space-16: 3rem;
  /* 48px */
  --space-20: 3.5rem;
  /* 56px */
  --space-24: 5rem;
  /* 96px */
  --space-32: 6rem;
  /* 128px */

  /* Container */
  --container-max: 1280px;
  --container-padding: clamp(1rem, 3vw, 3rem);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-blue: 0 10px 30px -5px rgba(37, 99, 235, 0.25);
}

/* ═══════════════════════════════════════════════ */
/*  LAYOUT UTILITIES                               */
/* ═══════════════════════════════════════════════ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

/* ═══════════════════════════════════════════════ */
/*  RESET & BASE                                   */
/* ═══════════════════════════════════════════════ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-gray-600);
  background-color: var(--color-white);
  line-height: var(--leading-normal);
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-gray-800);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
}

section[id] {
  scroll-margin-top: 80px;
  content-visibility: auto;
  contain-intrinsic-size: 1px 500px;
  padding: var(--space-16) 0;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

/* ═══════════════════════════════════════════════ */
/*  NAVIGATION BASE                                */
/* ═══════════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.85);
  /* Added slight background */
  backdrop-filter: blur(10px);
  /* Added initial blur */
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  will-change: background, box-shadow, backdrop-filter;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  /* Increased shadow for clarity */
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-4) var(--container-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: padding 0.3s ease;
}

.nav.scrolled .nav-container {
  padding: var(--space-3) var(--container-padding);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 40px;
  width: auto;
  transition: height 0.3s ease;
}

.nav.scrolled .logo-img {
  height: 32px;
}

/* Menu Right Side */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray-600);
  position: relative;
  padding: var(--space-1) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-primary);
}

/* Dropdown Menu */
.nav-item-dropdown {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.dropdown-icon {
  font-size: 10px;
  transition: transform 0.3s ease;
}

.nav-item-dropdown:hover .dropdown-icon {
  transform: rotate(180deg);
}

.nav-dropdown-content {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--color-white);
  min-width: 220px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  z-index: 1000;
  border: 1px solid var(--color-gray-100);
}

.nav-item-dropdown:hover .nav-dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Dropdown Arrow/Triangle */
.nav-dropdown-content::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--color-white);
  border-left: 1px solid var(--color-gray-100);
  border-top: 1px solid var(--color-gray-100);
  z-index: -1;
}

/* Invisible bridge to prevent dropdown from closing when moving mouse */
.nav-item-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 20px;
  /* Space between link and dropdown */
}

.dropdown-link {
  display: block;
  padding: 10px 16px;
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.dropdown-link:hover {
  background-color: var(--color-gray-50);
  color: var(--color-primary);
  transform: translateX(4px);
}

/* Language Selector */
.lang-selector {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background 0.3s ease;
}

.lang-selector:hover {
  background: var(--color-gray-50);
}

.lang-current {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-gray-800);
}

.flag-icon {
  width: 20px;
  height: auto;
  border-radius: 2px;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  min-width: 100px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.lang-selector:hover .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--color-gray-600);
}

.lang-option:hover {
  background: var(--color-gray-50);
  color: var(--color-primary);
}

/* CTA Button */
.btn-talk {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px 24px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  box-shadow: var(--shadow-blue);
  white-space: nowrap;
}

.btn-talk:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════ */
/*  HAMBURGER BUTTON                               */
/* ═══════════════════════════════════════════════ */

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
  position: relative;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.hamburger:hover {
  transform: scale(1.05);
}

/* Reset for desktop */
@media (min-width: 901px) {
  .hamburger {
    display: none !important;
  }
}

.hamburger-box {
  position: relative;
  width: 28px;
  height: 24px;
  display: inline-block;
}

.hamburger-inner {
  display: block;
  top: 50%;
  margin-top: -1.5px;
  width: 28px;
  height: 3px;
  background-color: var(--color-gray-800);
  border-radius: 3px;
  position: absolute;
  left: 0;
  transition: background-color 0s 0.13s linear;
}

.hamburger-inner::before,
.hamburger-inner::after {
  content: '';
  display: block;
  position: absolute;
  width: 28px;
  height: 3px;
  background-color: var(--color-gray-800);
  border-radius: 3px;
  left: 0;
  transition: top 0.1s 0.15s cubic-bezier(0.33333, 0.66667, 0.66667, 1),
    transform 0.13s cubic-bezier(0.55, 0.055, 0.675, 0.19);
}

.hamburger-inner::before {
  top: -10px;
}

.hamburger-inner::after {
  top: 10px;
}

/* Hamburger Active (Animated X) */
.hamburger.open .hamburger-inner {
  background-color: transparent;
  transition-delay: 0.22s;
}

.hamburger.open .hamburger-inner::before {
  top: 0;
  transform: rotate(45deg);
  transition: top 0.1s cubic-bezier(0.33333, 0, 0.66667, 0.33333),
    transform 0.13s 0.22s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.hamburger.open .hamburger-inner::after {
  top: 0;
  transform: rotate(-45deg);
  transition: top 0.1s cubic-bezier(0.33333, 0, 0.66667, 0.33333),
    transform 0.13s 0.22s cubic-bezier(0.215, 0.61, 0.355, 1);
}

/* ═══════════════════════════════════════════════ */
/*  MOBILE MENU                                    */
/* ═══════════════════════════════════════════════ */

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background-color: var(--color-white);
  z-index: 990;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 100px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-nav {
  text-align: center;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-gray-800);
  display: block;
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

/* Mobile Submenu */
.mobile-nav-item-dropdown {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.mobile-subnav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
  align-items: center;
  background: var(--color-gray-50);
  width: 100%;
  padding: var(--space-4) 0;
  border-radius: var(--radius-lg);
}

.mobile-subnav-link {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  color: var(--color-gray-600);
}

.mobile-subnav-link:hover {
  color: var(--color-primary);
}

/* Mobile Language Selector */
.mobile-lang-selector {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-gray-100);
  width: 100%;
  justify-content: center;
}

.mobile-lang-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  transition: background 0.3s ease;
  font-weight: var(--weight-bold);
  color: var(--color-gray-800);
}

.mobile-lang-option:hover {
  background: var(--color-gray-100);
}

.mobile-lang-separator {
  color: var(--color-gray-300);
}

/* ═══════════════════════════════════════════════ */
/*  HERO SECTION                                   */
/* ═══════════════════════════════════════════════ */

.hero-section {
  position: relative;
  min-height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  overflow: hidden;
  padding: 180px 0 80px;
  /* Further increased padding top for more space from nav */
}

/* Background Dots Pattern */
.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(var(--color-gray-400) 2px, transparent 0);
  background-size: 30px 30px;
  opacity: 0.03;
  pointer-events: none;
  z-index: 1;
}

.hero-bg-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero-circle {
  position: absolute;
  top: -20%;
  right: -30%;
  width: 100vw;
  height: 100vw;
  background-color: var(--color-primary-50);
  border-radius: 50%;
  z-index: 0;
}

.hero-shape {
  position: absolute;
  background-color: var(--color-primary-100);
  opacity: 0.6;
  z-index: 1;
  animation: float 6s ease-in-out infinite;
}

.shape-2 {
  width: 60px;
  height: 60px;
  bottom: 15%;
  right: 48%;
  border-radius: 50%;
  animation-delay: -2s;
}

.shape-3 {
  width: 30px;
  height: 30px;
  top: 40%;
  right: 40%;
  border-radius: 4px;
  animation-delay: -4s;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-15px);
  }
}

/* Hero Container */
.hero-container {
  position: relative;
  z-index: 10;
  max-width: var(--container-max);
  margin: auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 55% 45%;
  align-items: center;
  gap: var(--space-24);
  /* Increased gap for better spacing */
}

/* Left Column (Content) */
.hero-content {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeInUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards 0.2s;
  will-change: transform, opacity;
  /* Optimization for animation */
}

.hero-tag {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.hero-tag::before {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background-color: var(--color-primary);
}

.hero-tag span {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(3.2rem, 2.2rem + 5.5vw, 4.8rem);
  /* Slightly larger title */
  line-height: 1.1;
  /* Tighter line height for better impact */
  color: var(--color-gray-900);
  margin-bottom: var(--space-8);
  /* Increased margin bottom */
}

.weight-thin {
  font-weight: var(--weight-normal);
}

.weight-bold {
  font-weight: var(--weight-extrabold);
}

.gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  max-width: 520px;
  margin-bottom: var(--space-8);
}

.hero-cta-group {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.btn-primary-hero {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 16px 32px;
  border-radius: var(--radius-full);
  font-weight: var(--weight-semibold);
  box-shadow: var(--shadow-blue);
  transition: transform 0.3s ease, background 0.3s ease;
  min-width: 220px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.btn-primary-hero:hover {
  transform: scale(1.03);
  background-color: var(--color-primary-dark);
}

.btn-outline-hero {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  padding: 14px 30px;
  border-radius: var(--radius-full);
  font-weight: var(--weight-semibold);
  transition: all 0.3s ease;
  min-width: 220px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.btn-outline-hero:hover {
  background-color: var(--color-primary-50);
}

/* Hero Scroll Down Arrow */
.hero-scroll-down {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 20;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.hero-scroll-down:hover {
  opacity: 1;
}

.scroll-arrows {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scroll-arrows span {
  display: block;
  width: 12px;
  height: 12px;
  border-bottom: 2px solid var(--color-primary);
  border-right: 2px solid var(--color-primary);
  transform: rotate(45deg);
  margin: -6px;
  animation: scrollDownArrows 2s infinite;
}

.scroll-arrows span:nth-child(2) {
  animation-delay: -0.2s;
}

.scroll-arrows span:nth-child(3) {
  animation-delay: -0.4s;
}

@keyframes scrollDownArrows {
  0% {
    opacity: 0;
    transform: rotate(45deg) translate(-10px, -10px);
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 1;
    transform: rotate(45deg) translate(10px, 10px);
  }
}

/* Certifications */
.hero-certs {
  margin-top: var(--space-4);
}

.certs-label {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.certs-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.cert-item {
  height: 24px;
  opacity: 0;
  animation: heroFadeIn 0.5s ease forwards;
}

/* Staggered animation for certs */
.cert-item:nth-child(1) {
  animation-delay: 1.0s;
}

.cert-item:nth-child(2) {
  animation-delay: 1.1s;
}

.cert-item:nth-child(3) {
  animation-delay: 1.2s;
}

.cert-item:nth-child(4) {
  animation-delay: 1.3s;
}

.cert-item:nth-child(5) {
  animation-delay: 1.4s;
}

.cert-item:nth-child(6) {
  animation-delay: 1.5s;
}

.cert-item img {
  height: 100%;
  filter: grayscale(1);
  opacity: 0.4;
  transition: all 0.3s ease;
}

.cert-item:hover img {
  filter: grayscale(0);
  opacity: 1;
}

/* Right Column (Visual) */
.hero-visual {
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  transform: translateX(30px);
  animation: heroFadeInLeft 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards 0.4s;
  will-change: transform, opacity;
  /* Optimization for animation */
}

.hero-image-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 9 / 16;
  transition: clip-path 0.5s ease-out;
  /* Prepared for future clip-path usage */
}

/* Hero Photo Hover Reveal */
.hero-image-container .hero-image-reveal {
  clip-path: circle(70% at 50% 50%);
  transition: clip-path 0.6s ease-out;
}

.hero-image-container.reveal-active .hero-image-reveal {
  clip-path: circle(100% at 50% 50%);
  /* Reveal fully on hover class */
}

.hero-image-reveal {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  overflow: hidden;
  z-index: 5;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image-frame {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 100%;
  height: 100%;
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  z-index: 1;
}

.hero-accent-square {
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 60px;
  height: 60px;
  background-color: var(--color-accent-warm);
  transform: rotate(12deg);
  z-index: 10;
  box-shadow: var(--shadow-md);
}

/* Entrance Animations */
@keyframes heroFadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFadeInLeft {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* ═══════════════════════════════════════════════ */
/*  BRANDS SECTION                                 */
/* ═══════════════════════════════════════════════ */

.brands-section {
  position: relative;
  background: linear-gradient(to bottom, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.brands-divider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background-color: var(--color-white);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
  z-index: 1;
}

.brands-header {
  text-align: center;
  margin-bottom: var(--space-12);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  line-height: var(--leading-relaxed);
}

.brands-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
}

.brand-card {
  flex: 1 1 calc(33.333% - var(--space-8));
  min-width: 300px;
  max-width: 400px;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  border-top: 4px solid var(--accent-color);
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  z-index: 2;
}

.brand-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--accent-color);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.brand-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-color);
}

.brand-card:hover::before {
  opacity: 0.03;
}

.brand-icon-wrapper {
  width: 64px;
  height: 64px;
  background-color: var(--color-primary-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.brand-logo-img {
  max-width: 70%;
  max-height: 70%;
  object-fit: contain;
}

.brand-category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--accent-color);
  background-color: var(--color-primary-50);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.brand-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.brand-name {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.brand-description {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.brand-link {
  color: var(--accent-color);
  font-weight: var(--weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap 0.3s ease;
}

.brand-links-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.brand-links-group .brand-link {
  font-size: var(--text-sm);
}

.brand-link span {
  transition: transform 0.3s ease;
}

.brand-link:hover {
  text-decoration: underline;
}

.brand-link:hover span {
  transform: translateX(4px);
}

/* Premium Card (Nexium) */
.brand-card-premium {
  background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
  border: 1px solid rgba(212, 175, 55, 0.2);
  position: relative;
}

/* AI Specialized Card (AutomationNex) */
.brand-card-ai {
  background: linear-gradient(145deg, #0f172a 0%, #172554 100%);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-top: 4px solid var(--color-primary);
  position: relative;
}

.brand-card-ai .brand-name {
  color: var(--color-white);
  background: linear-gradient(to right, #fff, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-card-ai .brand-description {
  color: rgba(255, 255, 255, 0.7);
}

.brand-card-ai .brand-icon-wrapper {
  background-color: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.brand-card-ai .brand-category {
  background-color: rgba(37, 99, 235, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.brand-card-ai::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary);
  filter: blur(12px);
  opacity: 0.3;
  transition: opacity 0.4s ease, filter 0.4s ease;
  pointer-events: none;
}

.brand-card-ai:hover::after {
  opacity: 0.8;
  filter: blur(16px);
}

.brand-card-ai:hover {
  border-color: rgba(37, 99, 235, 0.5);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 20px rgba(37, 99, 235, 0.15);
  transform: translateY(-8px);
}

.brand-card-premium::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(145deg, rgba(212, 175, 55, 0.3), transparent 40%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.brand-card-premium .brand-name {
  color: var(--color-white);
  background: linear-gradient(to right, #fff, #d1d5db);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-card-premium .brand-description {
  color: rgba(255, 255, 255, 0.7);
}

.brand-card-premium .brand-icon-wrapper {
  background-color: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.brand-card-premium .brand-category {
  background-color: rgba(212, 175, 55, 0.15);
  color: #D4AF37;
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.brand-card-premium:hover {
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 20px rgba(212, 175, 55, 0.1);
}

/* Stellar Models Specialized Card */
.brand-card-stellar {
  background: linear-gradient(145deg, #0f172a 0%, #4c0519 100%);
  border: 1px solid rgba(236, 72, 153, 0.2);
  border-top: 4px solid #EC4899;
  position: relative;
}

.brand-card-stellar .brand-name {
  color: var(--color-white);
  background: linear-gradient(to right, #fff, #f9a8d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-card-stellar .brand-description {
  color: rgba(255, 255, 255, 0.7);
}

.brand-card-stellar .brand-icon-wrapper {
  background-color: rgba(236, 72, 153, 0.1);
  border: 1px solid rgba(236, 72, 153, 0.2);
}

.brand-card-stellar .brand-category {
  background-color: rgba(236, 72, 153, 0.2);
  color: #f472b6;
  border: 1px solid rgba(236, 72, 153, 0.3);
}

.brand-card-stellar::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: #EC4899;
  filter: blur(12px);
  opacity: 0.3;
  transition: opacity 0.4s ease, filter 0.4s ease;
  pointer-events: none;
}

.brand-card-stellar:hover::after {
  opacity: 0.8;
  filter: blur(16px);
}

.brand-card-stellar:hover {
  border-color: rgba(236, 72, 153, 0.5);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 20px rgba(236, 72, 153, 0.15);
}

/* Creative Specialized Card (NexCreativeLab) */
.brand-card-creative {
  background: linear-gradient(145deg, #0f172a 0%, #2e1065 100%);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-top: 4px solid #8B5CF6;
  position: relative;
}

.brand-card-creative .brand-name {
  color: var(--color-white);
  background: linear-gradient(to right, #fff, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-card-creative .brand-description {
  color: rgba(255, 255, 255, 0.7);
}

.brand-card-creative .brand-icon-wrapper {
  background-color: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.brand-card-creative .brand-category {
  background-color: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.brand-card-creative::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: #8B5CF6;
  filter: blur(12px);
  opacity: 0.3;
  transition: opacity 0.4s ease, filter 0.4s ease;
  pointer-events: none;
}

.brand-card-creative:hover::after {
  opacity: 0.8;
  filter: blur(16px);
}

.brand-card-creative:hover {
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 20px rgba(139, 92, 246, 0.15);
}

/* Academy Specialized Card (Michael Academy) */
.brand-card-academy {
  background: linear-gradient(145deg, #0f172a 0%, #064e3b 100%);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-top: 4px solid #10B981;
  position: relative;
}

.brand-card-academy .brand-name {
  color: var(--color-white);
  background: linear-gradient(to right, #fff, #6ee7b7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-card-academy .brand-description {
  color: rgba(255, 255, 255, 0.7);
}

.brand-card-academy .brand-icon-wrapper {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.brand-card-academy .brand-category {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.brand-card-academy::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: #10B981;
  filter: blur(12px);
  opacity: 0.3;
  transition: opacity 0.4s ease, filter 0.4s ease;
  pointer-events: none;
}

.brand-card-academy:hover::after {
  opacity: 0.8;
  filter: blur(16px);
}

.brand-card-academy:hover {
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 20px rgba(16, 185, 129, 0.15);
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform, opacity;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Scroll Triggered Animations (.animate-on-scroll) */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* Staggering for cards in grid */
.brands-grid .brand-card:nth-child(1) {
  transition-delay: 0.1s;
}

.brands-grid .brand-card:nth-child(2) {
  transition-delay: 0.25s;
}

.brands-grid .brand-card:nth-child(3) {
  transition-delay: 0.4s;
}

.brands-grid .brand-card:nth-child(4) {
  transition-delay: 0.55s;
}

.brands-grid .brand-card:nth-child(5) {
  transition-delay: 0.7s;
}

/* ═══════════════════════════════════════════════ */
/*  BOOK SECTION                                   */
/* ═══════════════════════════════════════════════ */

.book-section {
  position: relative;
  background: var(--gradient-hero);
  color: var(--color-white);
  overflow: hidden;
}

/* Dots Overlay Pattern */
.book-overlay-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(255, 255, 255, 0.4) 1px, transparent 0);
  background-size: 30px 30px;
  opacity: 0.05;
  pointer-events: none;
  z-index: 1;
}

.book-container {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 45% 55%;
  align-items: center;
  gap: var(--space-16);
}

/* Left Column (Visual) */
.book-visual {
  display: flex;
  justify-content: center;
}

.book-photo-wrapper {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 9 / 13;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.book-author-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-deco-line {
  position: absolute;
  top: 50%;
  left: -20px;
  transform: translateY(-50%);
  width: 3px;
  height: 200px;
  background-color: var(--color-accent-warm);
  z-index: 2;
  animation: pulseOpacity 3s ease-in-out infinite;
}

@keyframes pulseOpacity {

  0%,
  100% {
    opacity: 0.5;
  }

  50% {
    opacity: 1;
  }
}

/* Right Column (Content) */
.book-content {
  display: flex;
  flex-direction: column;
}

.book-tag {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  color: var(--color-accent-warm);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.book-badge {
  display: inline-block;
  width: 200px;
  padding: 4px 12px;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.book-title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.book-subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
}

.book-description {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--leading-relaxed);
  max-width: 520px;
  margin-bottom: var(--space-12);
}

.book-description p:not(:last-child) {
  margin-bottom: var(--space-4);
}

/* Glass Stats */
.book-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-12);
  max-width: 450px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 10px 4px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: scale(1.05);
  background: rgba(255, 255, 255, 0.15);
}

.stat-value {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.book-cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.btn-amazon {
  background-color: #ffffff;
  color: var(--color-gray-900);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.btn-amazon:hover {
  transform: translateY(-2px);
  background-color: #f1f5f9;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.amazon-icon {
  height: 16px;
  width: auto;
  display: block;
  pointer-events: none;
}

.btn-amazon:hover .amazon-icon {
  filter: none;
  transform: none;
  opacity: 1;
}

.btn-icon {
  transition: transform 0.3s ease;
}

.btn-amazon:hover .btn-icon {
  transform: translateX(4px);
}

.btn-toc {
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: all 0.3s ease;
}

.btn-toc:hover {
  text-decoration: underline;
  opacity: 0.8;
}

/* New Special Reveal Animations */
.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-left.active,
.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger for stats cards specifically */
.reveal-stagger {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.reveal-stagger.active {
  opacity: 1;
  transform: translateY(0);
}

.stat-card:nth-child(1) {
  transition-delay: 0.1s;
}

.stat-card:nth-child(2) {
  transition-delay: 0.2s;
}

.stat-card:nth-child(3) {
  transition-delay: 0.3s;
}

.stat-card:nth-child(4) {
  transition-delay: 0.4s;
}

/* ═══════════════════════════════════════════════ */
/*  ABOUT ME SECTION                               */
/* ═══════════════════════════════════════════════ */

.about-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.facts-panel {
  background-color: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
}

.facts-accent-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent-warm));
}

.facts-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-8);
}

.facts-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-12) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.facts-list li {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.fact-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.facts-list span {
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  line-height: var(--leading-normal);
}

.facts-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Narrative Styles */
.about-story {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.story-paragraph {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

.has-dropcap::first-letter {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  float: left;
  line-height: 1;
  margin-right: 12px;
  margin-top: 4px;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════ */
/*  TESTIMONIAL SECTION                            */
/* ═══════════════════════════════════════════════ */

.testimonial-section {
  background-color: var(--color-primary-50);
  position: relative;
  overflow: hidden;
}

.testimonial-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-quote-mark {
  font-family: Georgia, serif;
  font-size: var(--text-5xl);
  color: var(--color-primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: var(--space-4);
}

.testimonial-quote {
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  color: var(--color-gray-800);
  font-style: italic;
  max-width: 700px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  position: relative;
  /* Animation */
  animation: quoteFadeIn 0.6s ease-out forwards;
  opacity: 0;
  transform: scale(0.95);
}

/* Trigger animation when visible - using class if JS handles it, or just default animation here */
/* Since .reveal is used on parent, we can rely on parent visibility, 
   but requirements asked for specific animation. 
   Let's make sure it runs when parent .reveal becomes active. */
.reveal.active .testimonial-quote {
  animation: quoteFadeIn 0.6s ease-out forwards;
}

@keyframes quoteFadeIn {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.author-name {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-gray-900);
}

.author-role {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.author-stars {
  display: flex;
  gap: 4px;
  color: var(--color-accent-warm);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* ═══════════════════════════════════════════════ */
/*  SKILLS SECTION - REDESIGNED                    */
/* ═══════════════════════════════════════════════ */

.skills-section {
  background-color: var(--color-gray-50);
  position: relative;
  overflow: hidden;
}

.skills-section .container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  /* Condense structure */
}

/* Background decoration */
.skills-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

/* 1. Hero Featured Card (Automation & AI) */
.skills-featured {
  margin-bottom: var(--space-12);
  perspective: 1000px;
}

.skills-hero-card {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(37, 99, 235, 0.1);
  overflow: hidden;
  position: relative;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.skills-hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--gradient-hero);
  z-index: 2;
}

.skills-hero-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.25);
}

.skills-hero-content {
  padding: var(--space-12);
  z-index: 2;
}

.skills-hero-icon-wrapper {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary-50) 0%, #dbeafe 100%);
  color: var(--color-primary);
  font-size: 28px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.2);
}

.skills-hero-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.skills-hero-desc {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 500px;
}

.skills-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* 2. Visual / Decoration Helper */
.skills-hero-visual {
  background: url('images/other/background.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-skill-decoration {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
}

.skills-hero-visual::after {
  /* Abstract node connection effect */
  content: '⚡';
  font-size: 120px;
  filter: blur(2px);
  opacity: 0.1;
  transform: rotate(-15deg);
  position: absolute;
}

/* 3. Secondary Grid */
.skills-grid-secondary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.skill-group-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.skill-group-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-100);
}

.skill-group-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-gray-100);
}

.skill-group-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.skill-group-icon.dev {
  background-color: #f0fdf4;
  color: #16a34a;
}

.skill-group-icon.platform {
  background-color: #fff7ed;
  color: #ea580c;
}

.skill-group-icon.soft {
  background-color: #f5f3ff;
  color: #7c3aed;
}

.skill-group-card h4 {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-gray-900);
}

.skill-group-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-content: flex-start;
}

/* 4. Skill Pills */
.skill-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray-700);
  transition: all 0.2s ease;
  cursor: default;
}

.skill-pill i {
  font-size: 1.1em;
  opacity: 0.7;
}

.skill-pill:hover {
  background-color: var(--color-white);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.skill-pill.premium {
  background: linear-gradient(to bottom right, #eff6ff, #ffffff);
  border-color: rgba(37, 99, 235, 0.3);
  color: var(--color-primary-dark);
  font-weight: var(--weight-semibold);
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.1);
  padding: 10px 20px;
}

.skill-pill.premium:hover {
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.2);
  transform: translateY(-3px) scale(1.02);
}

.skill-icon-img {
  height: 20px;
  width: auto;
}

.skill-icon-img-sm {
  height: 16px;
  width: auto;
  margin-right: 4px;
}

/* Responsive */
@media (max-width: 900px) {
  .skills-hero-card {
    grid-template-columns: 1fr;
  }

  .skills-hero-visual {
    height: 200px;
    order: -1;
    /* visual on top for mobile */
  }
}


/* ═══════════════════════════════════════════════ */
/*  CAREER TIMELINE SECTION                         */
/* ═══════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════ */
/*  CAREER PATH 3D SECTION                         */
/* ═══════════════════════════════════════════════ */

.career-section {
  background-color: var(--color-white);
  position: relative;
  overflow: hidden;
  perspective: 2000px;
  /* Essential for 3D effect */
  background: var(--color-gray-50);
  /* Subtle background difference */
}

/* Background Atmospheric Glow */
.career-bg-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.career-3d-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  z-index: 10;
  transform-style: preserve-3d;
  padding-bottom: var(--space-8);
}

/* Central Path Line */
.career-timeline-path {
  position: relative;
  width: 100%;
  padding: var(--space-12) 0;
}

.career-path-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  transform: translateX(-50%);
  background: linear-gradient(to bottom,
      rgba(37, 99, 235, 0) 0%,
      rgba(37, 99, 235, 0.2) 10%,
      rgba(37, 99, 235, 0.2) 90%,
      rgba(37, 99, 235, 0) 100%);
  z-index: 1;
  border-radius: 4px;
}

/* Add a moving light effect on the line */
.career-path-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
  animation: lineFlow 6s ease-in-out infinite;
  opacity: 1;
  filter: blur(4px);
  box-shadow: 0 0 15px var(--color-primary);
}

@keyframes lineFlow {
  0% {
    top: -200px;
    opacity: 0;
  }

  20% {
    opacity: 1;
  }

  80% {
    opacity: 1;
  }

  100% {
    top: 100%;
    opacity: 0;
  }
}

/* Career Items Layout */
.career-item {
  position: relative;
  width: 100%;
  min-height: 220px;
  display: flex;
  margin-bottom: -30px;
  /* Overlap slightly for flow */
  align-items: center;
}

.career-item.left {
  justify-content: flex-start;
  padding-right: 50%;
}

.career-item.right {
  justify-content: flex-end;
  padding-left: 50%;
}

/* Marker & Date Wrapper - Centered */
.career-marker-wrapper {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 20;
  width: 160px;
  /* Area to catch hover */
  pointer-events: none;
  /* Let clicks pass through if needed, but hover logic is on .career-item */
}

.career-marker {
  width: 24px;
  height: 24px;
  background: var(--color-white);
  border: 5px solid var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1), 0 0 20px rgba(37, 99, 235, 0.3);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 2;
  position: relative;
}

.career-item:hover .career-marker {
  background: var(--color-primary);
  box-shadow: 0 0 0 8px rgba(37, 99, 235, 0.2), 0 0 30px rgba(37, 99, 235, 0.5);
  transform: scale(1.3);
}

.career-date-badge {
  margin-top: 16px;
  background: var(--color-white);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-gray-600);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-gray-200);
  white-space: nowrap;
  opacity: 1;
  transition: all 0.4s ease;
}

.career-item:hover .career-date-badge {
  transform: translateY(5px) scale(1.05);
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

/* Glassmorphism Card Content */
.career-card-content {
  width: 85%;
  max-width: 440px;
  perspective: 1000px;
  z-index: 5;
  transition: transform 0.4s ease;
}

.career-item.left .career-card-content {
  margin-right: 70px;
  transform-origin: center right;
}

.career-item.right .career-card-content {
  margin-left: 70px;
  transform-origin: center left;
}

.career-card-glass {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow:
    0 10px 30px -5px rgba(0, 0, 0, 0.05),
    0 0 0 1px rgba(255, 255, 255, 0.4) inset;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
  /* Hardware accel */
}

/* 3D Hover Tilt Effect Idea */
.career-item:hover .career-card-glass {
  transform: translateY(-8px) scale(1.02);
  background: rgba(255, 255, 255, 0.95);
  box-shadow:
    0 30px 60px -15px rgba(37, 99, 235, 0.15),
    0 0 0 1px rgba(37, 99, 235, 0.1) inset;
}

.career-item.left:hover .career-card-content {
  transform: perspective(1000px) rotateY(3deg);
}

.career-item.right:hover .career-card-content {
  transform: perspective(1000px) rotateY(-3deg);
}

.career-card-glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-warm));
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 10;
}

.career-item:hover .career-card-glass::before {
  opacity: 1;
}

/* Connector Line (Virtual) */
.career-card-content::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 70px;
  height: 1px;
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.4), transparent);
  pointer-events: none;
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

.career-item:hover .career-card-content::after {
  opacity: 1;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  height: 2px;
}

.career-item.left .career-card-content::after {
  right: -70px;
  background: linear-gradient(to right, transparent, rgba(37, 99, 235, 0.4));
}

.career-item.right .career-card-content::after {
  left: -70px;
}

/* Content Typography */
.career-date-mobile {
  display: none;
}

.career-company {
  font-size: var(--text-xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-gray-900);
  margin-bottom: 4px;
}

.career-role {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.career-desc {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

/* Logo Placeholder / Icon */
.career-logo-placeholder {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gray-100);
  box-shadow: var(--shadow-sm);
}

.career-logo-img {
  max-width: 70%;
  max-height: 70%;
  object-fit: contain;
}

.career-logo-placeholder.icon-ph {
  color: var(--color-primary);
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--color-primary-50) 0%, #fff 100%);
  border-color: var(--color-primary-100);
}



/* Career Footer & LinkedIn Button */
.timeline-footer {
  display: flex;
  justify-content: center;
  margin-top: var(--space-8);
  position: relative;
  z-index: 10;
}

.timeline-linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 16px 32px;
  background: #0A66C2;
  /* LinkedIn Blue */
  color: var(--color-white);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  box-shadow: 0 10px 25px -5px rgba(10, 102, 194, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.timeline-linkedin::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.timeline-linkedin:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px -5px rgba(10, 102, 194, 0.5);
  background: #004182;
}

.timeline-linkedin:hover::before {
  opacity: 1;
}

.timeline-linkedin i {
  font-size: 1.25em;
  transition: transform 0.3s ease;
}

.timeline-linkedin:hover i {
  transform: scale(1.1);
}

/* ═══════════════════════════════════════════════ */
/*  RESPONSIVE CAREER                              */
/* ═══════════════════════════════════════════════ */

@media (max-width: 900px) {
  .career-section {
    padding: var(--space-12) 0 !important;
    background: var(--color-gray-50);
  }

  .career-3d-container {
    padding: 0 var(--container-padding) !important;
    perspective: none !important;
    transform-style: flat !important;
  }

  .career-timeline-path {
    padding: 0 !important;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }

  /* Ukrywamy linię timeline na mobile */
  .career-path-line {
    display: none !important;
  }

  /* Resetujemy itemy do prostych bloków */
  .career-item {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    margin: 0 !important;
    min-height: auto !important;
    padding: 0 !important;
    align-items: stretch !important;
  }

  .career-item.left,
  .career-item.right {
    padding: 0 !important;
  }

  /* Ukrywamy zewnętrzne elementy timeline */
  .career-marker-wrapper {
    display: none !important;
  }

  .career-card-content {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    transform: none !important;
  }

  /* Upraszczamy kartę */
  .career-card-glass {
    padding: 24px !important;
    border-radius: var(--radius-lg) !important;
    background: var(--color-white) !important;
    box-shadow: var(--shadow-sm) !important;
    border: 1px solid var(--color-gray-200) !important;
    backdrop-filter: none !important;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }

  /* Header karty: Logo + Info */
  .career-card-glass::before {
    display: none !important;
    /* Usuwamy pasek gradientu hover */
  }

  .career-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
  }

  /* Logo wewnątrz layoutu flex */
  .career-logo-placeholder {
    position: static !important;
    width: 48px !important;
    height: 48px !important;
    flex-shrink: 0;
    margin: 0 !important;
    background: var(--color-white) !important;
    border: 1px solid var(--color-gray-100) !important;
  }

  /* Kontener na tekst nagłówka */
  .career-header-text {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
  }

  .career-company {
    font-size: 1rem !important;
    margin: 0 !important;
    line-height: 1.3 !important;
  }

  .career-role {
    font-size: 0.85rem !important;
    margin: 4px 0 !important;
    padding: 0 !important;
    display: block !important;
  }

  /* Data jako prosty tekst pod rolą */
  .career-date-mobile {
    display: block !important;
    font-size: 0.75rem;
    color: var(--color-gray-400);
    font-weight: var(--weight-medium);
    margin-top: 4px;
  }

  .career-date-mobile {
    display: block !important;
    font-size: 0.75rem;
    color: var(--color-gray-400);
    font-weight: var(--weight-medium);
    margin-top: 4px;
  }

  .career-desc {
    font-size: 0.9rem !important;
    line-height: 1.6 !important;
    color: var(--color-gray-600) !important;
    margin: 0 !important;
  }

  .timeline-footer {
    margin-top: var(--space-8) !important;
  }

  /* Resetujemy animacje hover 3D */
  .career-item:hover .career-card-glass {
    transform: none !important;
    box-shadow: var(--shadow-md) !important;
  }

  .career-item.left:hover .career-card-content,
  .career-item.right:hover .career-card-content {
    transform: none !important;
  }

  .career-item:hover .career-card-content::after {
    display: none !important;
  }
}

/* ═══════════════════════════════════════════════ */
/*  CREDENTIALS SECTION                            */
/* ═══════════════════════════════════════════════ */

.credentials-section {
  background-color: var(--color-gray-50);
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

@media (max-width: 1024px) {
  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .certs-grid {
    grid-template-columns: 1fr;
  }
}

.cert-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cert-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.cert-logo-wrapper {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  width: 100%;
}

.cert-logo-img {
  height: 28px;
  width: auto;
  filter: grayscale(1);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.cert-card:hover .cert-logo-img {
  filter: grayscale(0);
  opacity: 1;
}

.cert-name {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-gray-800);
  margin-bottom: var(--space-2);
  line-height: var(--leading-tight);
}

.cert-year {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  font-weight: var(--weight-medium);
}

/* Hidden state for extra certs */
.cert-hidden {
  display: none;
  opacity: 0;
  transform: translateY(20px);
}

.cert-visible {
  display: flex;
  animation: fadeUpCert 0.5s forwards;
}

@keyframes fadeUpCert {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.certs-toggle-wrapper {
  display: flex;
  justify-content: center;
  margin-top: var(--space-12);
}

#certs-toggle-btn i {
  transition: transform 0.3s ease;
}

#certs-toggle-btn.expanded i {
  transform: rotate(180deg);
}

/* ═══════════════════════════════════════════════ */
/*  EDUCATION SECTION                              */
/* ═══════════════════════════════════════════════ */

.education-section {
  background-color: var(--color-white);
  position: relative;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.education-card {
  background-color: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: 30px;
  border-left: 4px solid var(--color-primary);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.education-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  background-color: var(--color-white);
}

.edu-icon-circle {
  width: 60px;
  height: 60px;
  background-color: var(--color-primary-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 24px;
}

.edu-degree {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.edu-field {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
}

.edu-university {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

/* RESPONSIVE: EDUCATION */
@media (max-width: 992px) {
  .education-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .education-grid {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════════ */
/*  CONTACT SECTION (Optimized)                    */
/* ═══════════════════════════════════════════════ */

.contact-section {
  /* Reduced padding to tighten layout */
  background-color: var(--color-white);
  position: relative;
  overflow: hidden;
}

/* Background Decoration for WOW effect */
.contact-section::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 38% 58%;
  /* Slightly adjusted proportions */
  gap: 4%;
  /* Percentage gap for better fluidity */
  margin-top: var(--space-8);
  /* Reduced margin top */
  align-items: start;
}

/* Left Column: Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding-right: var(--space-4);
  position: relative;
  z-index: 1;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  /* Tighter gap between items */
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  color: var(--color-gray-600);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: 1px solid transparent;
}

.contact-item:hover {
  background-color: var(--color-gray-50);
  border-color: var(--color-gray-100);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-white);
  border-radius: 12px;
  /* Squircle shape */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-primary);
  transition: all 0.3s ease;
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.contact-item:hover .contact-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: scale(1.1) rotate(-5deg);
}

.contact-text {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-gray-800);
}

/* CTA Card - Enhanced UI */
.contact-cta-card {
  background: linear-gradient(135deg, var(--color-primary-50) 0%, #ffffff 100%);
  border-radius: var(--radius-xl);
  padding: 30px;
  border: 1px solid var(--color-primary-100);
  margin-top: var(--space-4);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-cta-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.contact-cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.1), transparent);
  border-radius: 0 0 0 100%;
}

.contact-cta-text {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray-600);
  margin-bottom: var(--space-3);
  position: relative;
  z-index: 1;
}

.contact-cta-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  transition: gap 0.3s ease;
  position: relative;
  z-index: 1;
}

.contact-cta-link:hover {
  gap: var(--space-3);
}

/* Right Column: Form - Enhanced UI */
.contact-form-wrapper {
  background-color: var(--color-white);
  padding: 40px;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-100);
  position: relative;
  z-index: 2;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  /* Tighter gap */
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Floating Label Logic if desired, but sticking to clean labels */
.form-group label {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-gray-700);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  border: 2px solid transparent;
  /* Transparent border for transition */
  border-radius: var(--radius-lg);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  resize: vertical;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.form-group input:hover,
.form-group textarea:hover {
  background-color: var(--color-white);
  border-color: var(--color-gray-200);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  background-color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  transform: translateY(-2px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-400);
  transition: color 0.3s ease;
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder {
  color: transparent;
  /* Hide placeholder on focus for cleaner look */
}

/* Submit Button - WOW Effect */
.btn-submit {
  width: 100%;
  padding: 18px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 10px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2), 0 2px 4px -1px rgba(37, 99, 235, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.btn-submit::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn-submit:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3), 0 4px 6px -2px rgba(37, 99, 235, 0.1);
}

.btn-submit:hover::after {
  transform: translateX(100%);
}

.btn-submit:active {
  transform: translateY(-1px);
}

/* Responsive Contact */
@media (max-width: 900px) {
  .contact-section {
    padding: var(--space-16) 0;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .contact-info {
    order: 2;
    padding-right: 0;
  }

  .contact-form-wrapper {
    order: 1;
    padding: 30px 24px;
  }
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-form-wrapper {
    padding: 24px 20px;
    box-shadow: var(--shadow-md);
  }
}

/* ═══════════════════════════════════════════════ */
/*  FOOTER                                         */
/* ═══════════════════════════════════════════════ */

.footer {
  background-color: var(--color-gray-900);
  color: var(--color-white);
  padding: 80px 0 40px;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

/* Column 1: Brand */
.brand-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.footer-logo {
  height: 40px;
  width: auto;
  filter: brightness(10);
  /* Make logo white */
}

.footer-desc {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
  max-width: 320px;
}

.footer-socials {
  display: flex;
  gap: var(--space-4);
}

.footer-social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  transition: all 0.3s ease;
}

.footer-social-icon:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Columns 2 & 3: Links */
.footer-heading {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color 0.3s ease, transform 0.3s ease;
  display: inline-block;
}

.links-col .footer-links a:hover {
  color: var(--color-white);
  transform: translateX(4px);
}

.brands-col .footer-links a:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* Bottom Bar */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

/* Responsive Footer */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .brand-col {
    align-items: center;
    text-align: center;
  }

  .links-col,
  .brands-col {
    text-align: center;
  }
}

/* ═══════════════════════════════════════════════ */
/*  RESPONSIVE NAVIGATION                          */
/* ═══════════════════════════════════════════════ */

@media (max-width: 900px) {
  .nav-menu {
    display: none;
  }

  .btn-talk {
    display: none;
  }

  .lang-selector {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-12);
    /* Increased gap for mobile */
    padding-top: var(--space-12);
    /* Increased padding for mobile */
    padding-bottom: var(--space-12);
  }

  .hero-content {
    order: 2;
    align-items: center;
    display: flex;
    flex-direction: column;
  }

  .hero-tag {
    justify-content: center;
  }

  .hero-visual {
    order: 1;
    justify-content: center;
  }

  .hero-image-container {
    max-width: 320px;
  }

  .hero-description {
    margin: 0 auto var(--space-8);
  }

  .hero-cta-group {
    justify-content: center;
    flex-wrap: wrap;
  }

  .certs-list {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-scroll-down {
    display: none;
  }

  /* Adjust sections */
  .book-container {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }

  .book-content {
    align-items: center;
  }

  .book-visual {
    margin-bottom: var(--space-4);
  }

  .book-deco-line {
    display: none;
  }

  .book-tag {
    justify-content: center;
  }

  .book-description {
    margin: 0 auto var(--space-8);
  }

  .book-stats {
    margin: 0 auto var(--space-8);
  }

  .book-cta-group {
    justify-content: center;
  }

  /* Contact grid */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-info {
    order: 2;
  }

  .contact-form-wrapper {
    order: 1;
  }
}

/* ═══════════════════════════════════════════════ */
/*  SUBMISSION POPUP                               */
/* ═══════════════════════════════════════════════ */

.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.popup-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.popup-content {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-2xl);
  transform: translateY(0) scale(1);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.popup-overlay.hidden .popup-content {
  transform: translateY(20px) scale(0.95);
}

.popup-icon {
  font-size: 3.5rem;
  margin-bottom: var(--space-4);
}

.popup-icon.success {
  color: #10B981;
}

.popup-icon.error {
  color: #EF4444;
}

.popup-icon.hidden {
  display: none;
}

.popup-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.popup-message {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
}

.popup-close-btn {
  width: 100%;
  padding: 12px 24px;
}