/* =====================================================
   QUDOS — Premium Design System v3.0
   Cosmic Dawn Edition
   ===================================================== */

/* ─── CSS Variables ─── */
:root {
  /* Base */
  --bg-primary: #fafafa;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #e5e5e5;
  --surface: rgba(255, 255, 255, 0.7);
  --surface-solid: #ffffff;
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-border-strong: rgba(255, 255, 255, 0.85);

  /* Accents — Cosmic Dawn */
  --accent-primary: #6366f1;
  --accent-primary-soft: rgba(99, 102, 241, 0.1);
  --accent-primary-medium: rgba(99, 102, 241, 0.18);
  --accent-secondary: #a855f7;
  --accent-secondary-soft: rgba(168, 85, 247, 0.1);
  --accent-secondary-medium: rgba(168, 85, 247, 0.18);
  --accent-tertiary: #ec4899;
  --accent-tertiary-soft: rgba(236, 72, 153, 0.1);
  --accent-tertiary-medium: rgba(236, 72, 153, 0.18);

  /* Text */
  --text-primary: #171717;
  --text-secondary: #404040;
  --text-muted: #737373;
  --text-inverse: #ffffff;

  /* Gradients */
  --gradient-hero: linear-gradient(180deg, #fafafa 0%, #f0efff 35%, #faf5ff 60%, #fafafa 100%);
  --gradient-card: linear-gradient(160deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.6) 100%);
  --gradient-accent: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
  --gradient-glow:
    radial-gradient(ellipse at 15% 15%, rgba(99,102,241,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 85%, rgba(168,85,247,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(236,72,153,0.04) 0%, transparent 60%);
  --gradient-mesh:
    radial-gradient(at 0% 0%, rgba(99,102,241,0.12) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(168,85,247,0.10) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(236,72,153,0.08) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(99,102,241,0.06) 0px, transparent 50%);

  /* Typography */
  --font-heading: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', ui-monospace, monospace;

  /* 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-14: 3.5rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-28: 7rem;
  --space-32: 8rem;

  /* Layout */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;
  --max-width: 1200px;
  --header-height: 4rem;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -2px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.14);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms var(--ease-smooth);
  --transition-base: 300ms var(--ease-smooth);
  --transition-slow: 500ms var(--ease-out);
  --transition-spring: 400ms var(--ease-spring);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

img, svg, video, picture { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; touch-action: manipulation; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
ul, ol { list-style: none; }

/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  text-wrap: balance;
}

h1 { font-size: clamp(2.25rem, 5.5vw, 3.75rem); }
h2 { font-size: clamp(1.625rem, 3.2vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 1.8vw, 1.375rem); }
h4 { font-size: 1.0625rem; }

p { color: var(--text-secondary); line-height: 1.7; text-wrap: pretty; }

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

.text-muted { color: var(--text-muted); }

/* ─── Utilities ─── */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-5); }
@media (min-width: 640px) { .container { padding: 0 var(--space-8); } }
@media (min-width: 1024px) { .container { padding: 0 var(--space-10); } }

.section { padding: var(--space-16) 0; position: relative; }
@media (min-width: 768px) { .section { padding: var(--space-20) 0; } }
@media (min-width: 1024px) { .section { padding: var(--space-24) 0; } }

.glass {
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border: 1px solid var(--glass-border);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(32px) saturate(1.8);
  -webkit-backdrop-filter: blur(32px) saturate(1.8);
  border: 1px solid rgba(255, 255, 255, 0.65);
}

.card {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  contain: layout style paint;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-xl), var(--shadow-glow); }
@media (min-width: 768px) { .card { padding: var(--space-8); } }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--accent-primary-soft);
  color: var(--accent-primary);
  border: 1px solid rgba(99, 102, 241, 0.18);
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(99, 102, 241, 0.25);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg), 0 0 0 4px rgba(99, 102, 241, 0.12); }
.btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }

.btn-secondary {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover { background: var(--surface-solid); border-color: var(--glass-border-strong); box-shadow: var(--shadow-md); }
.btn-secondary:active { transform: translateY(0); box-shadow: var(--shadow-xs); }

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

/* ─── Animations ─── */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes pulse-soft { 0%, 100% { opacity: 0.5; } 50% { opacity: 0.9; } }
@keyframes gradient-shift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes blob { 0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; } 50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; } }

.animate-in { opacity: 0; transform: translateY(20px); transition: opacity var(--transition-slow), transform var(--transition-slow); }
.animate-in.visible { opacity: 1; transform: translateY(0); }
.stagger-1 { transition-delay: 80ms; }
.stagger-2 { transition-delay: 160ms; }
.stagger-3 { transition-delay: 240ms; }
.stagger-4 { transition-delay: 320ms; }
.stagger-5 { transition-delay: 400ms; }

/* ─── Header ─── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.header.scrolled {
  background: rgba(250, 250, 250, 0.82);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }

.logo { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-heading); font-size: 1.375rem; font-weight: 700; letter-spacing: -0.03em; color: var(--text-primary); transition: opacity var(--transition-fast); }
.logo:hover { opacity: 0.75; }
.logo-mark {
  width: 2rem; height: 2rem; border-radius: var(--radius-md);
  background: var(--gradient-accent);
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 0.875rem; flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

.nav-desktop { display: none; }
@media (min-width: 768px) { .nav-desktop { display: flex; align-items: center; gap: var(--space-1); } }

.nav-link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  width: 0; height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
  transition: width var(--transition-base), left var(--transition-base);
}
.nav-link:hover { color: var(--text-primary); background: var(--accent-primary-soft); }
.nav-link:hover::after { width: 60%; left: 20%; }
.nav-link.active { color: var(--text-primary); background: var(--accent-primary-soft); }
.nav-link.active::after { width: 60%; left: 20%; }

.mobile-menu-btn { display: flex; align-items: center; justify-content: center; width: 2.25rem; height: 2.25rem; border-radius: var(--radius-md); color: var(--text-primary); transition: background var(--transition-fast); }
.mobile-menu-btn:hover { background: var(--bg-secondary); }
@media (min-width: 768px) { .mobile-menu-btn { display: none; } }

/* Mobile Menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu-panel {
  position: absolute; top: 0; right: 0;
  width: min(20rem, 85vw); height: 100%;
  background: var(--surface-solid);
  padding: var(--space-6);
  padding-top: calc(var(--header-height) + var(--space-6));
  transform: translateX(100%);
  transition: transform var(--transition-spring);
  box-shadow: var(--shadow-2xl);
}
.mobile-menu.open .mobile-menu-panel { transform: translateX(0); }
.mobile-nav-link { display: block; padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-size: 1rem; font-weight: 500; color: var(--text-secondary); transition: all var(--transition-fast); margin-bottom: var(--space-1); }
.mobile-nav-link:hover, .mobile-nav-link.active { color: var(--text-primary); background: var(--accent-primary-soft); }

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex; align-items: center;
  padding-top: var(--header-height);
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; background: var(--gradient-glow); pointer-events: none; }
.hero-mesh { position: absolute; inset: 0; background: var(--gradient-mesh); pointer-events: none; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 25%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 25%, transparent 70%);
  pointer-events: none;
}

.hero-blob {
  position: absolute;
  filter: blur(90px);
  pointer-events: none;
  opacity: 0.28;
  will-change: transform;
  animation: blob 10s ease-in-out infinite;
}
.hero-blob-1 {
  width: 500px; height: 500px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  top: -10%; right: -5%;
  animation-duration: 12s;
}
.hero-blob-2 {
  width: 400px; height: 400px;
  background: linear-gradient(135deg, #a855f7, #ec4899);
  bottom: 5%; left: -8%;
  animation-duration: 15s;
  animation-delay: 2s;
}
.hero-blob-3 {
  width: 300px; height: 300px;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  top: 40%; right: 20%;
  opacity: 0.18;
  animation-duration: 10s;
  animation-delay: 4s;
}

.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero-content { max-width: 640px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.01em;
  background: rgba(168, 85, 247, 0.1);
  color: var(--accent-secondary);
  border: 1px solid rgba(168, 85, 247, 0.18);
  margin-bottom: var(--space-5);
}

.hero-title { margin-bottom: var(--space-5); line-height: 1.05; letter-spacing: -0.035em; }
.hero-description { font-size: 1.0625rem; line-height: 1.7; color: var(--text-muted); max-width: 520px; margin-bottom: var(--space-7); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.hero-visual { position: relative; margin-top: var(--space-10); perspective: 1000px; }
@media (min-width: 1024px) { .hero-visual { margin-top: 0; } .hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--space-10); align-items: center; } }

.hero-card {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform var(--transition-slow);
}
.hero-card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 35% 35%, rgba(99,102,241,0.06), transparent 50%);
  pointer-events: none;
}
.hero-card:hover { transform: rotateX(2deg) rotateY(-2deg) translateY(-4px); }

/* ─── Section Headers ─── */
.section-header { text-align: center; max-width: 600px; margin: 0 auto var(--space-10); }
@media (min-width: 768px) { .section-header { margin-bottom: var(--space-12); } }
.section-header-left { text-align: left; margin-left: 0; }

.section-label {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  background: var(--accent-tertiary-soft);
  color: var(--accent-tertiary);
  border: 1px solid rgba(236, 72, 153, 0.18);
  margin-bottom: var(--space-4);
}

.section-title { margin-bottom: var(--space-4); letter-spacing: -0.03em; }
.section-subtitle { font-size: 1.0625rem; color: var(--text-muted); line-height: 1.65; }

/* ─── Grids ─── */
.features-grid { display: grid; gap: var(--space-5); }
@media (min-width: 640px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-6); } }

.features-grid-2 { display: grid; gap: var(--space-5); }
@media (min-width: 768px) { .features-grid-2 { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); } }

/* ─── Feature Cards ─── */
.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  contain: layout style paint;
}
@media (min-width: 768px) { .feature-card { padding: var(--space-8); } }

.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-xl); }
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 2.75rem; height: 2.75rem;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
  background: var(--accent-primary-soft);
  color: var(--accent-primary);
  border: 1px solid rgba(99, 102, 241, 0.12);
  flex-shrink: 0;
}
.feature-icon.violet { background: var(--accent-secondary-soft); color: var(--accent-secondary); border-color: rgba(168, 85, 247, 0.12); }
.feature-icon.cyan { background: var(--accent-tertiary-soft); color: var(--accent-tertiary); border-color: rgba(236, 72, 153, 0.12); }

.feature-title { font-size: 1.0625rem; font-weight: 600; margin-bottom: var(--space-2); letter-spacing: -0.02em; }
.feature-description { font-size: 0.9375rem; color: var(--text-muted); line-height: 1.6; }

/* ─── Info Cards ─── */
.info-card {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  contain: layout style paint;
}
@media (min-width: 768px) { .info-card { padding: var(--space-8); } }
.info-card:hover { box-shadow: var(--shadow-lg); }

.info-card-icon {
  width: 3rem; height: 3rem;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
  background: var(--accent-secondary-soft);
  color: var(--accent-secondary);
  border: 1px solid rgba(168, 85, 247, 0.12);
  flex-shrink: 0;
}

/* ─── Keyword Section ─── */
.keyword-section { background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%); }

.keyword-list {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  margin-top: var(--space-8); justify-content: center;
}
.keyword-tag {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.875rem; font-weight: 500;
  background: var(--surface);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-fast);
  cursor: default;
}
.keyword-tag:hover {
  background: var(--accent-primary-soft);
  color: var(--accent-primary);
  border-color: rgba(99, 102, 241, 0.25);
  transform: translateY(-1px);
}

/* ─── FAQ ─── */
.faq-list { display: grid; gap: var(--space-3); max-width: 800px; margin: 0 auto; }

.faq-item {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
  contain: layout style;
}
.faq-item:hover { box-shadow: var(--shadow-md); }

.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-heading);
  font-size: 0.9375rem; font-weight: 600;
  text-align: left; color: var(--text-primary);
  transition: background var(--transition-fast);
  gap: var(--space-4);
}
@media (min-width: 768px) { .faq-question { padding: var(--space-5) var(--space-6); font-size: 1rem; } }
.faq-question:hover { background: rgba(99, 102, 241, 0.03); }

.faq-icon { width: 1.25rem; height: 1.25rem; flex-shrink: 0; transition: transform var(--transition-spring); color: var(--text-muted); }
.faq-item.open .faq-icon { transform: rotate(180deg); }

.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--transition-slow), padding var(--transition-slow); }
.faq-item.open .faq-answer { max-height: 600px; }
.faq-answer-inner { padding: 0 var(--space-5) var(--space-5); color: var(--text-muted); line-height: 1.7; font-size: 0.9375rem; }
@media (min-width: 768px) { .faq-answer-inner { padding: 0 var(--space-6) var(--space-6); } }

/* ─── Trust Section ─── */
.trust-grid { display: grid; gap: var(--space-5); }
@media (min-width: 768px) { .trust-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-6); } }

.trust-item { text-align: center; padding: var(--space-6) var(--space-5); }
@media (min-width: 768px) { .trust-item { padding: var(--space-8) var(--space-6); } }

.trust-number {
  font-family: var(--font-heading); font-size: 2.25rem; font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2); letter-spacing: -0.03em;
}
.trust-label { font-size: 0.9375rem; color: var(--text-muted); font-weight: 500; }
.trust-item p { font-size: 0.875rem; color: var(--text-muted); margin-top: var(--space-2); line-height: 1.55; }

/* ─── Contact ─── */
.contact-grid { display: grid; gap: var(--space-6); }
@media (min-width: 768px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); } }

.contact-info-item {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
}
@media (min-width: 768px) { .contact-info-item { padding: var(--space-5); gap: var(--space-4); } }
.contact-info-item:hover { background: var(--accent-primary-soft); }

.contact-info-icon {
  width: 2.25rem; height: 2.25rem;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  background: var(--accent-primary-soft);
  color: var(--accent-primary);
  border: 1px solid rgba(99, 102, 241, 0.1);
}

.contact-info-text strong { display: block; font-family: var(--font-heading); font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-1); font-size: 0.9375rem; }
.contact-info-text span { font-size: 0.9375rem; color: var(--text-muted); line-height: 1.5; }

/* Form */
.form-group { margin-bottom: var(--space-4); }
.form-label { display: block; font-size: 0.8125rem; font-weight: 600; color: var(--text-secondary); margin-bottom: var(--space-2); letter-spacing: 0.01em; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.625rem var(--space-4);
  border: 1.5px solid var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-family: inherit; font-size: 0.9375rem;
  background: var(--surface);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.form-input:hover, .form-select:hover, .form-textarea:hover { border-color: var(--accent-primary-soft); }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent-primary); box-shadow: 0 0 0 3px var(--accent-primary-soft); }
.form-textarea { resize: vertical; min-height: 120px; }

/* ─── Footer ─── */
.footer {
  background: #0c0c0e;
  color: var(--text-inverse);
  padding: var(--space-14) 0 var(--space-8);
}
@media (min-width: 768px) { .footer { padding: var(--space-16) 0 var(--space-8); } }

.footer-grid { display: grid; gap: var(--space-8); margin-bottom: var(--space-10); }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-10); } }

.footer-brand p { color: rgba(255, 255, 255, 0.5); margin-top: var(--space-3); max-width: 280px; font-size: 0.9375rem; line-height: 1.6; }

.footer-heading { font-family: var(--font-heading); font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: rgba(255, 255, 255, 0.35); margin-bottom: var(--space-4); }

.footer-link { display: block; padding: var(--space-1) 0; color: rgba(255, 255, 255, 0.6); font-size: 0.9375rem; transition: color var(--transition-fast), transform var(--transition-fast); }
.footer-link:hover { color: var(--text-inverse); transform: translateX(2px); }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.06); padding-top: var(--space-6); }
.footer-disclaimer { font-size: 0.8125rem; color: rgba(255, 255, 255, 0.3); line-height: 1.55; margin-bottom: var(--space-3); }
.footer-copyright { font-size: 0.8125rem; color: rgba(255, 255, 255, 0.2); }

/* ─── Cookie Banner ─── */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 2000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-top: 1px solid var(--glass-border);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.06);
  padding: var(--space-4) 0;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}
.cookie-banner.show { transform: translateY(0); }

.cookie-inner { display: flex; flex-direction: column; gap: var(--space-4); align-items: flex-start; }
@media (min-width: 768px) { .cookie-inner { flex-direction: row; align-items: center; justify-content: space-between; } }

.cookie-text { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }
.cookie-text a { color: var(--accent-primary); text-decoration: underline; text-underline-offset: 2px; }
.cookie-actions { display: flex; gap: var(--space-2); flex-shrink: 0; }

/* ─── Page Header ─── */
.page-header {
  padding-top: calc(var(--header-height) + var(--space-14));
  padding-bottom: var(--space-10);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .page-header { padding-top: calc(var(--header-height) + var(--space-16)); padding-bottom: var(--space-12); }
}
.page-header-bg { position: absolute; inset: 0; background: var(--gradient-glow); pointer-events: none; }
.page-header-content { position: relative; z-index: 2; }

.breadcrumbs { display: flex; align-items: center; gap: var(--space-2); font-size: 0.8125rem; color: var(--text-muted); margin-bottom: var(--space-4); }
.breadcrumbs a:hover { color: var(--text-primary); }

/* ─── Content Styles ─── */
.content-section { padding: var(--space-14) 0; }
@media (min-width: 768px) { .content-section { padding: var(--space-16) 0; } }

.content-block { max-width: 760px; }
.content-block h2 { margin-top: var(--space-10); margin-bottom: var(--space-4); letter-spacing: -0.03em; }
.content-block h3 { margin-top: var(--space-8); margin-bottom: var(--space-3); letter-spacing: -0.02em; }
.content-block p { margin-bottom: var(--space-4); color: var(--text-secondary); }
.content-block ul { margin-bottom: var(--space-4); padding-left: var(--space-6); list-style: disc; }
.content-block ul li { margin-bottom: var(--space-2); color: var(--text-secondary); line-height: 1.6; }
.content-block a { color: var(--accent-primary); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1.5px; text-decoration-color: rgba(99, 102, 241, 0.3); transition: text-decoration-color var(--transition-fast); }
.content-block a:hover { text-decoration-color: var(--accent-primary); }

/* ─── Preview Cards ─── */
.preview-card {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  contain: layout style paint;
}
@media (min-width: 768px) { .preview-card { padding: var(--space-8); } }
.preview-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.preview-card h3 { margin-bottom: var(--space-3); letter-spacing: -0.02em; }
.preview-card p { color: var(--text-muted); font-size: 0.9375rem; line-height: 1.65; }

/* ─── Text Fade Effect ─── */
.text-fade {
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 55%, rgba(0,0,0,0) 100%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 55%, rgba(0,0,0,0) 100%);
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  transition: -webkit-mask-size var(--transition-slow), mask-size var(--transition-slow);
}

.text-fade.expanded {
  -webkit-mask-size: 100% 250%;
  mask-size: 100% 250%;
}

.text-fade-container {
  position: relative;
}

.text-fade-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-primary);
  cursor: pointer;
  transition: opacity var(--transition-fast);
  user-select: none;
}

.text-fade-hint:hover {
  opacity: 0.7;
}

.text-fade-hint svg {
  transition: transform var(--transition-spring);
}

.text-fade-hint.expanded svg {
  transform: rotate(180deg);
}

/* ─── Decorative Elements ─── */
.glow-orb { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; opacity: 0.3; }
.glow-orb-blue { background: var(--accent-primary); width: 400px; height: 400px; }
.glow-orb-violet { background: var(--accent-secondary); width: 300px; height: 300px; }

/* ─── Accessibility ─── */
.skip-link { position: absolute; top: -100%; left: var(--space-4); padding: var(--space-2) var(--space-4); background: var(--text-primary); color: var(--text-inverse); border-radius: var(--radius-md); font-weight: 500; z-index: 9999; transition: top var(--transition-fast); font-size: 0.875rem; }
.skip-link:focus { top: var(--space-4); }

:focus-visible { outline: 2.5px solid var(--accent-primary); outline-offset: 2px; border-radius: var(--radius-sm); }

/* ─── Reduced Motion ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .hero-blob { animation: none !important; }
}

/* ─── Print ─── */
@media print {
  .header, .cookie-banner, .mobile-menu, .hero-visual, .hero-blob, .hero-mesh { display: none !important; }
  .section { padding: 1.5rem 0; }
  body { background: white; color: black; font-size: 12pt; }
  a { text-decoration: underline; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── Selection ─── */
::selection { background: rgba(99, 102, 241, 0.2); color: var(--text-primary); }