/* ============================================================
   SIDEQUEST — Website Design System
   Color palette extracted from the Sidequest mobile app
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Backgrounds */
  --bg-primary: #08080f;
  --bg-secondary: #0d0e1a;
  --bg-surface: #131325;
  --bg-surface-light: #1a1a35;
  --bg-card: #161630;
  --bg-card-hover: #1e1e40;

  /* Brand Purples */
  --purple-50: #f3e8ff;
  --purple-100: #e0cffc;
  --purple-200: #c084fc;
  --purple-300: #a855f7;
  --purple-400: #9333ea;
  --purple-500: #7c3aed;
  --purple-600: #6d28d9;
  --purple-700: #5b21b6;
  --purple-800: #4c1d95;
  --purple-900: #2e1065;

  /* Gradient definitions */
  --gradient-brand: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
  --gradient-brand-hover: linear-gradient(135deg, #818cf8, #a78bfa, #c084fc);
  --gradient-pin: linear-gradient(180deg, #6366f1, #8b5cf6, #c084fc);
  --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.25) 0%, transparent 60%);
  --gradient-glow: radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, transparent 70%);
  --gradient-card: linear-gradient(145deg, rgba(139, 92, 246, 0.08), rgba(99, 102, 241, 0.03));

  /* Accent colors */
  --orange: #f59e0b;
  --green: #22c55e;
  --red: #ef4444;
  --blue: #3b82f6;
  --pink: #ec4899;

  /* Text */
  --text-primary: #f0f0f8;
  --text-secondary: #9898b8;
  --text-muted: #6a6a88;
  --text-accent: #c084fc;

  /* Borders */
  --border-subtle: rgba(139, 92, 246, 0.12);
  --border-light: rgba(139, 92, 246, 0.25);
  --border-active: rgba(139, 92, 246, 0.5);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Sizing */
  --nav-height: 72px;
  --container-max: 1200px;
  --container-narrow: 800px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);
  --shadow-glow-lg: 0 0 80px rgba(139, 92, 246, 0.25);
}

/* --- 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);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--purple-200);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--purple-100);
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

::selection {
  background: rgba(139, 92, 246, 0.4);
  color: #fff;
}

/* --- Noise texture overlay --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

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

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

.text-gradient-light {
  background: linear-gradient(135deg, #c084fc, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

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

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

.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section--compact {
  padding: var(--space-4xl) 0;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--duration-normal) var(--ease-out);
  display: flex;
  align-items: center;
}

.nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 15, 0.6);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid transparent;
  transition: all var(--duration-normal) var(--ease-out);
}

.nav--scrolled::before {
  background: rgba(8, 8, 15, 0.85);
  border-bottom-color: var(--border-subtle);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.nav__logo-text {
  display: inline;
  letter-spacing: -0.02em;
}

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

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

.nav__link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: all var(--duration-normal) var(--ease-out);
  transform: translateX(-50%);
  border-radius: 1px;
}

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

.nav__link:hover::after,
.nav__link--active::after {
  width: 60%;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-out);
  transform-origin: center;
}

.nav__hamburger--open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger--open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__hamburger--open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(8, 8, 15, 0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
}

.nav__mobile--open {
  display: flex;
}

.nav__mobile .nav__link {
  font-size: 1.25rem;
  font-weight: 600;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(139, 92, 246, 0.5);
  color: #fff;
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand-hover);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.btn--primary:hover::before {
  opacity: 1;
}

.btn--primary span {
  position: relative;
  z-index: 1;
}

.btn--outline {
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  background: rgba(139, 92, 246, 0.05);
}

.btn--outline:hover {
  border-color: var(--border-active);
  background: rgba(139, 92, 246, 0.12);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.btn--ghost {
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
}

.btn--ghost:hover {
  color: var(--text-primary);
  background: rgba(139, 92, 246, 0.08);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

/* Animated gradient background */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
  animation: orbFloat 20s ease-in-out infinite;
}

.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: rgba(99, 102, 241, 0.35);
  top: -15%;
  left: -10%;
  animation-delay: 0s;
}

.hero__orb--2 {
  width: 500px;
  height: 500px;
  background: rgba(139, 92, 246, 0.3);
  top: 20%;
  right: -15%;
  animation-delay: -7s;
  animation-duration: 25s;
}

.hero__orb--3 {
  width: 400px;
  height: 400px;
  background: rgba(168, 85, 247, 0.25);
  bottom: -10%;
  left: 30%;
  animation-delay: -14s;
  animation-duration: 22s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 40px) scale(0.95); }
  75% { transform: translate(30px, 20px) scale(1.02); }
}

/* Grid pattern */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(139, 92, 246, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 92, 246, 0.04) 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 */
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: 0 var(--space-xl);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.4rem 1rem;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--purple-200);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__icon {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-2xl);
  position: relative;
  animation: fadeInUp 0.8s var(--ease-out) 0.1s both;
}

.hero__icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 30px rgba(139, 92, 246, 0.5));
}

.hero__icon::after {
  content: '';
  position: absolute;
  inset: -20px;
  background: var(--gradient-glow);
  border-radius: 50%;
  z-index: -1;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

.hero__title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s var(--ease-out) 0.3s both;
}

.hero__subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
  animation: fadeInUp 0.8s var(--ease-out) 0.5s both;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  animation: fadeInUp 0.8s var(--ease-out) 0.7s both;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
  font-size: 0.8rem;
  animation: fadeInUp 0.8s var(--ease-out) 1s both;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--purple-500), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- About Section --- */
.about {
  position: relative;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about__text h2 {
  margin-bottom: var(--space-lg);
}

.about__text p {
  margin-bottom: var(--space-md);
  font-size: 1.05rem;
}

.about__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

/* Phone mockup (CSS only) */
.phone-mockup {
  width: 260px;
  height: 520px;
  background: var(--bg-surface);
  border-radius: 36px;
  border: 2px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.phone-mockup__notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 24px;
  background: var(--bg-primary);
  border-radius: 12px;
  z-index: 2;
}

.phone-mockup__screen {
  position: absolute;
  inset: 8px;
  border-radius: 28px;
  background: var(--bg-primary);
  overflow: hidden;
}

.phone-mockup__content {
  padding: 48px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.phone-mockup__header {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.phone-mockup__header span {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Enhanced phone mockup (feed reproduction) --- */
.phone-mockup__notification-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2px;
  margin-bottom: 8px;
}

.phone-mockup__bell {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

.phone-mockup__card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}

.phone-mockup__card-likes {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.55rem;
  color: var(--text-muted);
}

.phone-mockup__card-likes svg {
  width: 12px;
  height: 12px;
}

.phone-mockup__card-elo {
  font-size: 0.55rem;
  font-weight: 700;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 2px;
}

.phone-mockup__card-caption {
  margin-top: 6px;
  font-size: 0.55rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.phone-mockup__card-caption strong {
  color: var(--text-primary);
  font-weight: 600;
}

.phone-mockup__story-label {
  font-size: 0.4rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 38px;
}

.phone-mockup__story-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.phone-mockup__copyright {
  position: absolute;
  bottom: 16px;
  right: 16px;
  font-size: 0.4rem;
  color: rgba(255, 255, 255, 0.2);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  z-index: 3;
}

/* Image-based mockup */
.phone-mockup--image .phone-mockup__screen {
  display: flex;
}

.phone-mockup__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: 28px;
}

.phone-mockup__stories {
  display: flex;
  gap: 10px;
  overflow: hidden;
}

.phone-mockup__story {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gradient-brand);
  flex-shrink: 0;
  border: 2px solid var(--purple-500);
  opacity: 0.7;
}

.phone-mockup__card {
  background: var(--bg-surface);
  border-radius: 12px;
  padding: 12px;
  border: 1px solid var(--border-subtle);
}

.phone-mockup__card-user {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.phone-mockup__card-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--purple-600);
}

.phone-mockup__card-name {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-primary);
}

.phone-mockup__card-time {
  font-size: 0.6rem;
  color: var(--text-muted);
}

.phone-mockup__card-body {
  height: 100px;
  background: var(--bg-secondary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-mockup__card-pin {
  width: 24px;
  height: 24px;
  opacity: 0.5;
}

.phone-mockup__card-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(99, 102, 241, 0.2);
  color: #818cf8;
}

.phone-mockup__glow {
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
  z-index: -1;
  animation: orbFloat 15s ease-in-out infinite;
}

/* --- Features Section --- */
.features__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.features__header h2 {
  margin-bottom: var(--space-md);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--purple-500), transparent);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

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

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

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.3rem;
}

.feature-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.feature-card__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Bento-style large card */
.feature-card--large {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.feature-card--large .feature-card__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* --- Stats Section --- */
.stats {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* --- CTA Section --- */
.cta {
  text-align: center;
  position: relative;
}

.cta__box {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl) var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.cta__box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(139, 92, 246, 0.15) 0%, transparent 60%);
}

.cta__box h2 {
  position: relative;
  margin-bottom: var(--space-md);
}

.cta__box p {
  position: relative;
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
  font-size: 1.05rem;
}

.cta__box .btn {
  position: relative;
}

/* --- Section Divider --- */
.section-divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-brand);
  border-radius: 2px;
  margin: 0 auto var(--space-xl);
}

/* --- Page Header (for sub-pages) --- */
.page-header {
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.page-header h1 {
  position: relative;
  margin-bottom: var(--space-md);
}

.page-header p {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* --- Devlog --- */
.devlog-latest {
  margin-bottom: var(--space-4xl);
}

.devlog-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.devlog-card:hover {
  border-color: var(--border-light);
}

.devlog-card--featured {
  border-color: var(--border-light);
}

.devlog-card__header {
  padding: var(--space-2xl);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
}

.devlog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.devlog-card__number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--purple-200);
  background: rgba(139, 92, 246, 0.12);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.devlog-card__date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.devlog-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.devlog-card__tag--latest {
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
}

.devlog-card__body {
  padding: var(--space-2xl);
}

.devlog-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.devlog-card__summary {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.devlog-card__section {
  margin-bottom: var(--space-xl);
}

.devlog-card__section h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--purple-200);
  margin-bottom: var(--space-md);
}

.devlog-card__section ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.devlog-card__section li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding-left: var(--space-lg);
  position: relative;
}

.devlog-card__section li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--purple-400);
}

.devlog-card__notes {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: rgba(139, 92, 246, 0.06);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--purple-500);
}

.devlog-card__notes p {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-muted);
}

/* Archive */
.devlog-archive h3 {
  margin-bottom: var(--space-xl);
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.devlog-archive__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.devlog-archive__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  text-decoration: none;
}

.devlog-archive__item:hover {
  border-color: var(--border-light);
  transform: translateX(4px);
}

.devlog-archive__item-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.devlog-archive__item-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--purple-200);
  font-weight: 600;
}

.devlog-archive__item-title {
  font-weight: 600;
  color: var(--text-primary);
}

.devlog-archive__item-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.devlog-archive__item-arrow {
  color: var(--text-muted);
  transition: all var(--duration-fast) var(--ease-out);
  font-size: 1.2rem;
}

.devlog-archive__item:hover .devlog-archive__item-arrow {
  color: var(--purple-300);
  transform: translateX(4px);
}

/* --- Roadmap --- */
.roadmap-timeline {
  position: relative;
  padding-left: var(--space-3xl);
}

.roadmap-timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--purple-500), var(--purple-800), transparent);
}

.roadmap-phase {
  position: relative;
  margin-bottom: var(--space-3xl);
}

.roadmap-phase:last-child {
  margin-bottom: 0;
}

.roadmap-phase__dot {
  position: absolute;
  left: calc(-1 * var(--space-3xl) + 8px);
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--purple-500);
  z-index: 1;
}

.roadmap-phase--completed .roadmap-phase__dot {
  background: var(--purple-500);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.5);
}

.roadmap-phase--active .roadmap-phase__dot {
  background: var(--purple-400);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.6);
  animation: pulse 2s ease-in-out infinite;
}

.roadmap-phase__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.roadmap-phase__label--completed {
  color: var(--green);
}

.roadmap-phase__label--active {
  color: var(--purple-300);
}

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

.roadmap-phase__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.roadmap-phase__date {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.roadmap-phase__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.roadmap-phase__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.roadmap-phase__item-icon {
  flex-shrink: 0;
  font-size: 0.85rem;
}

.roadmap-phase--completed .roadmap-phase__item {
  opacity: 0.7;
}

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

.faq-item {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

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

.faq-item--open {
  border-color: var(--border-light);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
}

.faq-item__question:hover {
  color: var(--purple-200);
}

.faq-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-normal) var(--ease-out);
  color: var(--text-muted);
}

.faq-item--open .faq-item__icon {
  transform: rotate(45deg);
  color: var(--purple-300);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out),
              padding var(--duration-slow) var(--ease-out);
}

.faq-item--open .faq-item__answer {
  max-height: 500px;
}

.faq-item__answer-inner {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* --- Announcements --- */
.announcements-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.announcement-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--duration-normal) var(--ease-out);
}

.announcement-card:hover {
  border-color: var(--border-light);
}

.announcement-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.announcement-card__type {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.announcement-card__type--update {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
}

.announcement-card__type--news {
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
}

.announcement-card__type--important {
  background: rgba(245, 158, 11, 0.15);
  color: var(--orange);
}

.announcement-card__date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.announcement-card__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.announcement-card__body {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

.announcement-card__body p + p {
  margin-top: var(--space-md);
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  text-decoration: none;
  white-space: nowrap;
}

.footer__logo-text {
  display: inline;
  letter-spacing: -0.02em;
}

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

.footer__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer__col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__col a:hover {
  color: var(--purple-200);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer__socials {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  transition: all var(--duration-fast) var(--ease-out);
  font-size: 0.9rem;
}

.footer__social-link:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--border-light);
  color: var(--purple-200);
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.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; }
.reveal--delay-5 { transition-delay: 0.5s; }

/* --- Difficulty badges (matching app) --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge--easy { background: rgba(34, 197, 94, 0.2); color: var(--green); }
.badge--normal { background: rgba(99, 102, 241, 0.2); color: #818cf8; }
.badge--hard { background: rgba(245, 158, 11, 0.2); color: var(--orange); }
.badge--crazy { background: rgba(239, 68, 68, 0.2); color: var(--red); }
.badge--wtf { background: rgba(168, 85, 247, 0.2); color: var(--purple-300); }

/* --- Contact Section --- */
.contact {
  position: relative;
}

.contact__inner {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl) var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(139, 92, 246, 0.1) 0%, transparent 60%);
}

.contact__inner h2 {
  position: relative;
  margin-bottom: var(--space-sm);
}

.contact__subtitle {
  position: relative;
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
  font-size: 1.05rem;
}

/* Discord CTA */
.contact__discord-cta {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  max-width: 480px;
  margin: 0 auto var(--space-2xl);
  padding: var(--space-lg) var(--space-xl);
  background: rgba(88, 101, 242, 0.1);
  border: 1px solid rgba(88, 101, 242, 0.25);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-out);
}

.contact__discord-cta:hover {
  background: rgba(88, 101, 242, 0.18);
  border-color: rgba(88, 101, 242, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(88, 101, 242, 0.2);
  color: var(--text-primary);
}

.contact__discord-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(88, 101, 242, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5865F2;
}

.contact__discord-text {
  text-align: left;
  flex: 1;
  min-width: 0;
}

.contact__discord-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.15rem;
}

.contact__discord-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact__discord-arrow {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform var(--duration-normal) var(--ease-out);
}

.contact__discord-cta:hover .contact__discord-arrow {
  transform: translateX(4px);
  color: #5865F2;
}

/* Social Links */
.contact__socials {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.contact__social-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
  padding: 0.4rem 0;
}

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

.contact__social-item--soon {
  opacity: 0.45;
  cursor: default;
}

.contact__soon-tag {
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.1rem 0.4rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

/* --- Improved FAQ --- */
.faq-header-section {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.faq-header-section p {
  max-width: 500px;
  margin: 0 auto;
}

.faq-category {
  margin-bottom: var(--space-3xl);
}

.faq-category:last-child {
  margin-bottom: 0;
}

.faq-category__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--purple-200);
  margin-bottom: var(--space-lg);
  padding: 0.3rem 0.8rem;
  background: rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-full);
}

.faq-cta {
  text-align: center;
  margin-top: var(--space-4xl);
  padding: var(--space-3xl);
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.faq-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(88, 101, 242, 0.1) 0%, transparent 60%);
}

.faq-cta h3 {
  position: relative;
  margin-bottom: var(--space-sm);
  font-size: 1.5rem;
}

.faq-cta p {
  position: relative;
  margin-bottom: var(--space-xl);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

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

.faq-count {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.faq-count__item {
  text-align: center;
}

.faq-count__number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.faq-count__label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

  .feature-card--large {
    grid-column: span 2;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

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

}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .about__visual {
    order: -1;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }

  .feature-card--large {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

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

  .phone-mockup {
    width: 220px;
    height: 440px;
  }

  .devlog-card__header {
    flex-direction: column;
  }

  .roadmap-timeline {
    padding-left: var(--space-2xl);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .stats__grid {
    grid-template-columns: 1fr 1fr;
  }

  .devlog-card__body {
    padding: var(--space-lg);
  }

  .faq-count {
    gap: var(--space-md);
  }

  .contact__discord-cta {
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
  }

  .contact__discord-icon {
    width: 40px;
    height: 40px;
  }

  .contact__socials {
    gap: var(--space-md);
  }
}