/*
 * WiiOutside Design System
 * Aesthetic: "Analog Future" - Premium city zine meets SMS technology
 */

/* ========================================
   CSS Variables / Design Tokens
   ======================================== */
:root {
  /* Colors - Warm, not cold tech */
  --color-bg: #0f0f0f;
  --color-bg-elevated: #1a1a1a;
  --color-bg-card: #151515;
  --color-surface: #1f1f1f;

  /* Text - Warm cream, not stark white */
  --color-text-primary: #faf8f5;
  --color-text-secondary: rgba(250, 248, 245, 0.65);
  --color-text-muted: rgba(250, 248, 245, 0.4);

  /* Brand - Amber/gold like vintage neon */
  --color-accent: #f0a500;
  --color-accent-hover: #ffb81c;
  --color-accent-glow: rgba(240, 165, 0, 0.4);

  /* Secondary accents */
  --color-coral: #e85d4a;
  --color-sage: #87a878;
  --color-electric: #00d4aa;

  /* Borders */
  --border-subtle: rgba(250, 248, 245, 0.08);
  --border-medium: rgba(250, 248, 245, 0.15);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px var(--color-accent-glow);

  /* Typography Scale */
  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* 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;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --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);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* ========================================
   Typography
   ======================================== */
.font-display {
  font-family: var(--font-display);
}

.font-mono {
  font-family: var(--font-mono);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-coral) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================================
   Texture Overlays
   ======================================== */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.03;
  background: repeating-radial-gradient(
    circle at 50% 50%,
    transparent 0,
    var(--color-bg) 1px,
    transparent 2px
  );
}

/* ========================================
   Navigation
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-lg) 0;
  transition: all 0.4s var(--ease-out);
}

.nav-scrolled {
  padding: var(--space-md) 0;
  background: rgba(15, 15, 15, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: all 0.3s var(--ease-out);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-accent) 0%, #d49000 100%);
  border-radius: 8px;
  color: var(--color-bg);
  transition: all 0.3s var(--ease-out);
  box-shadow: 0 2px 8px rgba(240, 165, 0, 0.3);
}

.logo-icon svg {
  width: 18px;
  height: 18px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.logo-wii {
  color: var(--color-accent);
}

.logo-outside {
  color: var(--color-text-primary);
  transition: color 0.3s ease;
}

.logo:hover .logo-icon {
  transform: rotate(-8deg) scale(1.05);
  box-shadow: 0 4px 20px rgba(240, 165, 0, 0.5);
}

.logo:hover .logo-outside {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease-out);
}

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

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

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--ease-out);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
  background: rgba(250, 248, 245, 0.05);
  border-color: var(--color-text-secondary);
}

.btn-large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1rem;
}

/* ========================================
   Cards
   ======================================== */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all 0.4s var(--ease-out);
}

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

.card-elevated {
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-sm);
}

/* ========================================
   SMS Phone Mockup - The Hero Element
   ======================================== */
.phone-frame {
  position: relative;
  width: 320px;
  height: 640px;
  background: #1c1c1e;
  border-radius: 50px;
  padding: 12px;
  box-shadow:
    0 50px 100px -20px rgba(0, 0, 0, 0.6),
    0 30px 60px -30px rgba(0, 0, 0, 0.5),
    inset 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 32px;
  background: #0f0f0f;
  border-radius: 20px;
  z-index: 10;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #1a1a1a 0%, #0f0f0f 100%);
  border-radius: 40px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sms-header {
  padding: 50px 16px 12px;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.sms-header-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-primary);
}

.sms-header-status {
  font-size: 0.7rem;
  color: var(--color-electric);
  margin-top: 2px;
}

.sms-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sms-bubble {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 20px;
  font-size: 0.9375rem;
  line-height: 1.4;
  animation: bubbleIn 0.5s var(--ease-spring) both;
}

.sms-bubble-user {
  align-self: flex-end;
  background: #0a84ff;
  color: white;
  border-bottom-right-radius: 6px;
}

.sms-bubble-bot {
  align-self: flex-start;
  background: #2c2c2e;
  color: var(--color-text-primary);
  border-bottom-left-radius: 6px;
}

.sms-bubble-bot.highlight {
  background: linear-gradient(135deg, var(--color-accent) 0%, #d49000 100%);
  color: var(--color-bg);
}

.sms-typing {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  align-self: flex-start;
}

.sms-typing-dot {
  width: 8px;
  height: 8px;
  background: var(--color-text-muted);
  border-radius: 50%;
  animation: typing 1.4s infinite both;
}

.sms-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.sms-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-8px); opacity: 1; }
}

@keyframes bubbleIn {
  0% { opacity: 0; transform: scale(0.8) translateY(10px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.sms-input-bar {
  padding: 12px 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 8px;
  align-items: center;
}

.sms-input {
  flex: 1;
  background: #2c2c2e;
  border: none;
  border-radius: 20px;
  padding: 10px 16px;
  color: var(--color-text-primary);
  font-size: 0.875rem;
  outline: none;
}

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

.sms-send-btn {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border: none;
  border-radius: 50%;
  color: var(--color-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.sms-send-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px var(--color-accent-glow);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-4xl) var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(240, 165, 0, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(232, 93, 74, 0.1) 0%, transparent 50%);
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-electric);
  margin-bottom: var(--space-xl);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-electric);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.03em;
}

.hero-title-line {
  display: block;
}

.hero-title-accent {
  color: var(--color-accent);
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 480px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-phone {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-phone::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  filter: blur(60px);
  z-index: -1;
}

/* ========================================
   Section Styles
   ======================================== */
.section {
  padding: var(--space-4xl) var(--space-xl);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

/* ========================================
   How It Works - Staggered Grid
   ======================================== */
.steps-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.step-card {
  position: relative;
  padding: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  transition: all 0.4s var(--ease-out);
}

.step-card:nth-child(2) {
  transform: translateY(40px);
}

.step-card:nth-child(3) {
  transform: translateY(80px);
}

.step-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px -20px rgba(240, 165, 0, 0.2);
}

.step-card:nth-child(2):hover {
  transform: translateY(32px);
}

.step-card:nth-child(3):hover {
  transform: translateY(72px);
}

.step-number {
  position: absolute;
  top: -20px;
  left: 24px;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.2;
  line-height: 1;
}

.step-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-coral) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.step-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.step-description {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ========================================
   Features Section - Bento Grid
   ======================================== */
.features-section {
  background: var(--color-bg-elevated);
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto auto auto;
  gap: var(--space-lg);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all 0.4s var(--ease-out);
  overflow: hidden;
  position: relative;
}

.feature-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
}

.feature-card-large {
  grid-column: span 7;
  grid-row: span 2;
}

.feature-card-tall {
  grid-column: span 5;
  grid-row: span 2;
}

.feature-card-wide {
  grid-column: span 6;
}

.feature-card-icon {
  width: 48px;
  height: 48px;
  background: rgba(240, 165, 0, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.25rem;
}

.feature-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature-card-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.feature-card-visual {
  margin-top: var(--space-xl);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}

.feature-card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  padding: var(--space-4xl) var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(8rem, 20vw, 20rem);
  font-weight: 900;
  white-space: nowrap;
  color: var(--color-accent);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

.cta-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: var(--space-3xl) var(--space-xl);
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: all 0.3s var(--ease-out);
}

.footer-logo-link .logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.footer-logo-link .logo-icon svg {
  width: 16px;
  height: 16px;
}

.footer-logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.footer-logo-link:hover .logo-icon {
  transform: rotate(-8deg) scale(1.05);
  box-shadow: 0 4px 20px rgba(240, 165, 0, 0.5);
}

.footer-logo-link:hover .logo-outside {
  color: var(--color-accent);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* ========================================
   Form Elements
   ======================================== */
.input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.2s ease;
  outline: none;
}

.input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-glow);
}

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

.checkbox-wrapper {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.checkbox {
  width: 20px;
  height: 20px;
  background: var(--color-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  cursor: pointer;
  appearance: none;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.checkbox:checked {
  background: var(--color-accent);
  border-color: var(--color-accent);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='%230f0f0f' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
  background-size: 14px;
  background-position: center;
  background-repeat: no-repeat;
}

.label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.8s var(--ease-out) both;
}

.animate-fade-in {
  animation: fadeIn 0.6s var(--ease-out) both;
}

.animate-slide-left {
  animation: slideInLeft 0.8s var(--ease-out) both;
}

.animate-slide-right {
  animation: slideInRight 0.8s var(--ease-out) both;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s var(--ease-out);
}

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

/* ========================================
   Mobile Menu
   ======================================== */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all 0.3s ease;
  border-radius: 2px;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease-out);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.mobile-menu-link:hover {
  color: var(--color-accent);
}

/* ========================================
   Result Cards (results.html)
   ======================================== */
.result-card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s var(--ease-out);
}

.result-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px -20px rgba(240, 165, 0, 0.15);
}

.result-card-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.result-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.result-card:hover .result-card-image img {
  transform: scale(1.05);
}

.result-card-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  padding: 6px 12px;
  background: rgba(15, 15, 15, 0.8);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
}

.result-card-content {
  padding: var(--space-lg);
}

.result-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.result-card-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.result-card-btn {
  display: block;
  width: 100%;
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s ease;
}

.result-card-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

/* ========================================
   Loading Spinner
   ======================================== */
.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-3xl);
  }

  .hero-text {
    max-width: 100%;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .step-card,
  .step-card:nth-child(2),
  .step-card:nth-child(3) {
    transform: none;
  }

  .step-card:hover,
  .step-card:nth-child(2):hover,
  .step-card:nth-child(3):hover {
    transform: translateY(-8px);
  }

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

  .feature-card,
  .feature-card-large,
  .feature-card-tall,
  .feature-card-wide {
    grid-column: span 1;
    grid-row: span 1;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    padding: var(--space-3xl) var(--space-md);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .phone-frame {
    width: 280px;
    height: 560px;
    border-radius: 40px;
  }

  .phone-screen {
    border-radius: 32px;
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ========================================
   Signup Page Specific
   ======================================== */
.signup-split {
  display: flex;
  min-height: 100vh;
}

.signup-visual {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: none;
}

@media (min-width: 1024px) {
  .signup-visual {
    display: block;
  }
}

.signup-visual-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.signup-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--color-bg) 0%, transparent 50%),
              linear-gradient(to top, var(--color-bg) 0%, transparent 30%);
}

.signup-visual-content {
  position: absolute;
  bottom: var(--space-4xl);
  left: var(--space-3xl);
  z-index: 10;
  max-width: 400px;
}

.signup-visual-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.signup-visual-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

.signup-form-side {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-2xl);
  position: relative;
}

.signup-close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.signup-form-container {
  width: 100%;
  max-width: 400px;
}

.signup-progress {
  height: 3px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3xl);
  overflow: hidden;
}

.signup-progress-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width 0.5s var(--ease-out);
}

.signup-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.signup-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.signup-subtitle {
  color: var(--color-text-secondary);
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.signup-error {
  padding: var(--space-md);
  background: rgba(232, 93, 74, 0.1);
  border: 1px solid rgba(232, 93, 74, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-coral);
  font-size: 0.875rem;
  text-align: center;
  display: none;
}

.signup-error.active {
  display: block;
}

.signup-success {
  text-align: center;
  padding: var(--space-2xl) 0;
}

.signup-success-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-electric) 0%, var(--color-sage) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xl);
  box-shadow: 0 0 60px rgba(0, 212, 170, 0.3);
}

.signup-success-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-bg);
}

.signup-success-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.signup-success-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.signup-phone-display {
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
}

.signup-phone-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.signup-phone-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* Code input styling */
.code-input {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.5em;
  padding: var(--space-lg);
}

/* Privacy page */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
}

.legal-section {
  margin-bottom: var(--space-2xl);
}

.legal-section:last-child {
  margin-bottom: 0;
}

.legal-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.legal-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-md);
  color: var(--color-text-primary);
}

.legal-section p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.legal-section ul {
  color: var(--color-text-secondary);
  line-height: 1.8;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-section li {
  margin-bottom: var(--space-sm);
}

.legal-section a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

.legal-section a:hover {
  color: var(--color-accent-hover);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  margin-top: var(--space-2xl);
  transition: color 0.3s ease;
}

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