/* ============================================
   Aezis a.i. Design System
   Premium dark pharma-tech aesthetic
   ============================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ---- Design Tokens ---- */
:root {
  /* Colors */
  --color-bg-primary: #06090f;
  --color-bg-secondary: #0c1220;
  --color-bg-tertiary: #111827;
  --color-bg-card: rgba(15, 23, 42, 0.6);
  --color-bg-card-hover: rgba(20, 30, 55, 0.8);
  --color-bg-glass: rgba(255, 255, 255, 0.03);
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(59, 130, 246, 0.3);

  --color-accent-blue: #3b82f6;
  --color-accent-blue-light: #60a5fa;
  --color-accent-cyan: #06b6d4;
  --color-accent-purple: #8b5cf6;
  --color-accent-gradient: linear-gradient(135deg, #3b82f6, #06b6d4);
  --color-accent-gradient-hover: linear-gradient(135deg, #60a5fa, #22d3ee);
  --color-accent-gradient-purple: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --color-accent-glow: rgba(59, 130, 246, 0.15);

  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-tertiary: #64748b;
  --color-text-accent: #60a5fa;

  --color-success: #10b981;
  --color-warning: #f59e0b;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --max-width: 1280px;
  --max-width-narrow: 960px;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.15);
  --shadow-glow-lg: 0 0 60px rgba(59, 130, 246, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-text-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-accent-blue-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  color: var(--color-text-secondary);
  max-width: 72ch;
}

ul, ol {
  list-style: none;
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section--sm {
  padding: var(--space-16) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-header .badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent-blue-light);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.section-header h2 {
  margin-bottom: var(--space-6);
}

.section-header p {
  margin: 0 auto;
  font-size: var(--text-lg);
}

/* ---- Grid ---- */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---- Navigation ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-4) 0;
  background: rgba(6, 9, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  padding: var(--space-3) 0;
  background: rgba(6, 9, 15, 0.95);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  text-decoration: none;
}

.navbar__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: 800;
  color: white;
}

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

.navbar__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  transition: width var(--transition-base);
  border-radius: 1px;
}

.navbar__link:hover,
.navbar__link--active {
  color: var(--color-text-primary);
}

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

.navbar__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* Mobile Menu */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.navbar__toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__toggle.active span:nth-child(2) {
  opacity: 0;
}
.navbar__toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn--primary:hover {
  background: var(--color-accent-gradient-hover);
  box-shadow: 0 6px 25px rgba(59, 130, 246, 0.45);
  transform: translateY(-2px);
  color: white;
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-accent-blue);
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-text-primary);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-xl);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* ---- Cards ---- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card:hover::before {
  opacity: 1;
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-6);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.card__icon--cyan {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.15);
}

.card__icon--purple {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.15);
}

.card__icon--green {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.15);
}

.card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.card p {
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ---- Hero Section ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: calc(80px + var(--space-16));
  padding-bottom: var(--space-16);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__bg-gradient {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}

.hero__bg-gradient--1 {
  top: -200px;
  right: -200px;
  background: var(--color-accent-blue);
}

.hero__bg-gradient--2 {
  bottom: -300px;
  left: -200px;
  background: var(--color-accent-cyan);
  opacity: 0.08;
}

.hero__bg-gradient--3 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: var(--color-accent-purple);
  opacity: 0.05;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero__content {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent-blue-light);
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-8);
}

.hero__badge .dot {
  width: 6px;
  height: 6px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: var(--text-6xl);
  font-weight: 800;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero h1 .gradient-text {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin: 0 auto var(--space-10);
  max-width: 640px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.hero__trusted {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

.hero__trusted-avatars {
  display: flex;
}

.hero__trusted-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--color-bg-primary);
  margin-left: -8px;
  background: var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 600;
}

.hero__trusted-avatar:first-child {
  margin-left: 0;
}

/* ---- Stats ---- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stat {
  text-align: center;
  padding: var(--space-4);
}

.stat__number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 800;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-2);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  font-weight: 500;
}

/* ---- Product Preview ---- */
.product-preview {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-2);
  box-shadow: var(--shadow-xl), var(--shadow-glow-lg);
  max-width: 960px;
  margin: 0 auto;
  overflow: hidden;
}

.product-preview__inner {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-preview__mockup {
  width: 100%;
  text-align: center;
}

.product-preview__toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.product-preview__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
  opacity: 0.3;
}

.product-preview__dot:nth-child(1) { background: #ef4444; opacity: 0.7; }
.product-preview__dot:nth-child(2) { background: #f59e0b; opacity: 0.7; }
.product-preview__dot:nth-child(3) { background: #10b981; opacity: 0.7; }

/* ---- How It Works ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent-blue), var(--color-accent-cyan), transparent);
  opacity: 0.2;
}

.step {
  text-align: center;
  position: relative;
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
  margin: 0 auto var(--space-6);
  position: relative;
  z-index: 1;
}

.step h3 {
  margin-bottom: var(--space-3);
}

.step p {
  font-size: var(--text-sm);
  margin: 0 auto;
}

/* ---- CTA Banner ---- */
.cta-banner {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
}

.cta-banner h2 {
  position: relative;
  margin-bottom: var(--space-4);
}

.cta-banner p {
  position: relative;
  font-size: var(--text-lg);
  margin: 0 auto var(--space-8);
}

.cta-banner .btn {
  position: relative;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-8);
  background: var(--color-bg-primary);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand p {
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  max-width: 300px;
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-6);
}

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

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-primary);
}

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-6);
}

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  padding-top: calc(80px + var(--space-20));
  padding-bottom: var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: var(--color-accent-blue);
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.08;
}

.page-hero h1 {
  margin-bottom: var(--space-6);
}

.page-hero p {
  font-size: var(--text-xl);
  margin: 0 auto;
  max-width: 640px;
}

/* ---- Feature Grid (Product Page) ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.feature-card {
  padding: var(--space-10);
}

.feature-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.feature-card p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
}

.feature-card__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  border-radius: var(--radius-full);
}

/* ---- Guidelines Supported ---- */
.guideline-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.guideline-badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.guideline-badge:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
}

.guideline-badge__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  font-family: var(--font-heading);
}

.guideline-badge__icon--ich {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-accent-blue-light);
}

.guideline-badge__icon--fda {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
}

.guideline-badge__icon--ema {
  background: rgba(139, 92, 246, 0.15);
  color: var(--color-accent-purple);
}

.guideline-badge__text h4 {
  font-size: var(--text-sm);
  font-weight: 600;
}

.guideline-badge__text p {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ---- Solutions Cards ---- */
.solution-card {
  padding: var(--space-10);
}

.solution-card h3 {
  margin-bottom: var(--space-3);
}

.solution-card ul {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.solution-card li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.solution-card li::before {
  content: '→';
  color: var(--color-accent-blue-light);
  font-weight: 600;
  flex-shrink: 0;
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item.active {
  border-color: var(--color-border-hover);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-accent-blue-light);
}

.faq-question__icon {
  font-size: var(--text-xl);
  color: var(--color-text-tertiary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-4);
}

.faq-item.active .faq-question__icon {
  transform: rotate(45deg);
  color: var(--color-accent-blue-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-answer__inner {
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* ---- Contact Form ---- */
.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-10);
}

.form-success.show {
  display: block;
}

.form-success__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  border: 2px solid var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto var(--space-6);
}

/* ---- 404 ---- */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-page__code {
  font-family: var(--font-heading);
  font-size: 8rem;
  font-weight: 800;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: var(--space-4);
}

/* ---- Scroll Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---- Gradient Text Utility ---- */
.gradient-text {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

/* ---- Divider ---- */
.divider {
  width: 60px;
  height: 3px;
  background: var(--color-accent-gradient);
  border-radius: 2px;
  margin: var(--space-8) auto;
}

/* ---- About Page ---- */
.timeline {
  position: relative;
  padding-left: var(--space-10);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent-blue), var(--color-accent-cyan), transparent);
}

.timeline__item {
  position: relative;
  margin-bottom: var(--space-10);
}

.timeline__dot {
  position: absolute;
  left: calc(-1 * var(--space-10) + 10px);
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  border: 3px solid var(--color-bg-primary);
}

.timeline__item h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.timeline__item p {
  font-size: var(--text-sm);
}

/* ---- Values Grid ---- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.value-item {
  text-align: center;
  padding: var(--space-8);
}

.value-item__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.value-item h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.value-item p {
  font-size: var(--text-sm);
  margin: 0 auto;
}

/* ---- Contact Info Cards ---- */
.contact-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.contact-info__card {
  text-align: center;
  padding: var(--space-8);
}

.contact-info__icon {
  font-size: 2rem;
  margin-bottom: var(--space-4);
}

.contact-info__card h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

.contact-info__card p {
  font-size: var(--text-sm);
  margin: 0 auto;
}

.contact-info__card a {
  color: var(--color-accent-blue-light);
}

/* ---- Breadcrumbs ---- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-8);
  justify-content: center;
}

.breadcrumbs a {
  color: var(--color-text-tertiary);
}

.breadcrumbs a:hover {
  color: var(--color-text-primary);
}

.breadcrumbs span {
  color: var(--color-text-secondary);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero h1 { font-size: var(--text-5xl); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .contact-info { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root {
    --text-5xl: 2.5rem;
    --text-6xl: 3rem;
    --text-4xl: 2rem;
  }

  .section { padding: var(--space-16) 0; }
  .container { padding: 0 var(--space-4); }

  .navbar__links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 9, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    z-index: 999;
  }

  .navbar__links.open {
    display: flex;
  }

  .navbar__link {
    font-size: var(--text-xl);
  }

  .navbar__toggle {
    display: flex;
    z-index: 1001;
  }

  .hero {
    min-height: auto;
    padding-top: calc(80px + var(--space-12));
    padding-bottom: var(--space-12);
  }

  .hero h1 {
    font-size: var(--text-4xl);
  }

  .hero__subtitle {
    font-size: var(--text-base);
  }

  .hero__actions {
    flex-direction: column;
    gap: var(--space-3);
  }

  .stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .guideline-badges {
    flex-direction: column;
    align-items: center;
  }

  .values-grid { grid-template-columns: 1fr; }
  
  .section-header { margin-bottom: var(--space-10); }
}