/* ===== The Set List Landing Page ===== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --yellow: #FFD700;
  --yellow-hover: #FFC000;
  --black: #1A1A1A;
  --dark: #111111;
  --gray-900: #222222;
  --gray-800: #333333;
  --gray-600: #666666;
  --gray-400: #999999;
  --gray-200: #CCCCCC;
  --gray-100: #F5F5F5;
  --white: #FFFFFF;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Navigation ===== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow 0.3s ease;
}

nav.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--black);
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-logo span {
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray-600);
  font-weight: 600;
  font-size: 14px;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--black);
}

.nav-cta {
  background: var(--black) !important;
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 700 !important;
  transition: background 0.2s, transform 0.2s !important;
}

.nav-cta:hover {
  background: var(--yellow) !important;
  color: var(--black) !important;
  transform: scale(1.05);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* ===== Hero Section ===== */
.hero {
  padding: 140px 24px 80px;
  background: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: var(--yellow);
  border-radius: 50%;
  opacity: 0.08;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  background: var(--yellow);
  border-radius: 50%;
  opacity: 0.05;
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

.hero-text h1 {
  font-size: 64px;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
  color: var(--black);
}

.hero-text h1 .highlight {
  color: var(--yellow);
  position: relative;
  display: inline-block;
}

.hero-text h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--yellow);
  opacity: 0.3;
  border-radius: 4px;
}

.hero-text p {
  font-size: 20px;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--black);
  color: var(--white);
  padding: 16px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 800;
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

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

.btn-primary svg {
  width: 20px;
  height: 20px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--black);
  padding: 16px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  border: 2px solid var(--gray-200);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}

.btn-secondary:hover {
  border-color: var(--yellow);
  transform: translateY(-2px);
}

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

.hero-image .phone-mockup {
  width: 280px;
  border-radius: 36px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.15), 0 0 0 1px rgba(0,0,0,0.05);
  position: relative;
  z-index: 2;
}

.hero-image .phone-mockup img {
  width: 100%;
  border-radius: 36px;
  display: block;
}

.hero-image::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--yellow);
  border-radius: 50%;
  opacity: 0.12;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gray-100);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 20px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22C55E;
}

/* ===== Features Section ===== */
.features {
  padding: 100px 24px;
  background: var(--gray-100);
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 16px;
  border: 1px solid var(--gray-200);
}

.section-title {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  line-height: 1.1;
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray-600);
  margin-bottom: 60px;
  max-width: 560px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  padding: 36px;
  border-radius: 20px;
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--yellow);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--black);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.feature-card p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ===== How It Works ===== */
.how-it-works {
  padding: 100px 24px;
  background: var(--white);
}

.how-it-works-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 60px;
}

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

.step-number {
  width: 48px;
  height: 48px;
  background: var(--yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
  margin: 0 auto 20px;
  color: var(--black);
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 24px;
  left: calc(50% + 32px);
  right: calc(-50% + 32px);
  height: 2px;
  background: var(--gray-200);
}

.step h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.step p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
  max-width: 220px;
  margin: 0 auto;
}

/* ===== App Preview / Showcase ===== */
.showcase {
  padding: 100px 24px;
  background: var(--dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.showcase::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: var(--yellow);
  border-radius: 50%;
  opacity: 0.06;
  pointer-events: none;
}

.showcase-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.showcase .section-label {
  background: rgba(255,255,255,0.1);
  color: var(--yellow);
  border-color: rgba(255,255,255,0.15);
}

.showcase .section-title {
  color: var(--white);
}

.showcase .section-subtitle {
  color: var(--gray-400);
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.showcase-item {
  background: var(--gray-900);
  border-radius: 20px;
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.showcase-item-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  background: var(--yellow);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-item-icon svg {
  width: 28px;
  height: 28px;
  color: var(--black);
}

.showcase-item h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.showcase-item p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ===== Social Proof ===== */
.social-proof {
  padding: 80px 24px;
  background: var(--yellow);
  text-align: center;
}

.social-proof-inner {
  max-width: 800px;
  margin: 0 auto;
}

.social-proof h2 {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  line-height: 1.1;
}

.social-proof p {
  font-size: 18px;
  color: rgba(0,0,0,0.6);
  margin-bottom: 36px;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 40px;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 14px;
  font-weight: 600;
  color: rgba(0,0,0,0.5);
  margin-top: 4px;
}

/* ===== CTA Section ===== */
.cta {
  padding: 100px 24px;
  background: var(--white);
  text-align: center;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  line-height: 1.1;
}

.cta p {
  font-size: 18px;
  color: var(--gray-600);
  margin-bottom: 36px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
footer {
  padding: 60px 24px 40px;
  background: var(--dark);
  color: var(--white);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 14px;
  margin-top: 12px;
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  color: var(--gray-400);
}

.footer-col a {
  display: block;
  color: var(--gray-400);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--yellow);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  color: var(--gray-400);
  font-size: 13px;
}

.footer-bottom a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-bottom a:hover {
  color: var(--yellow);
}

/* ===== LEGO® Disclaimer ===== */
.disclaimer {
  font-size: 11px;
  color: var(--gray-400);
  text-align: center;
  padding: 16px 24px;
  background: var(--dark);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-text h1 {
    font-size: 48px;
  }

  .hero-text p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-image .phone-mockup {
    width: 220px;
  }

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

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .step:not(:last-child)::after {
    display: none;
  }

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

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

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

  .hero-text h1 {
    font-size: 36px;
    letter-spacing: -1px;
  }

  .hero-text p {
    font-size: 16px;
  }

  .section-title {
    font-size: 32px;
  }

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

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .stats-row {
    flex-direction: column;
    gap: 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
}

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

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.animate-in:nth-child(1) { animation-delay: 0.1s; }
.animate-in:nth-child(2) { animation-delay: 0.2s; }
.animate-in:nth-child(3) { animation-delay: 0.3s; }
.animate-in:nth-child(4) { animation-delay: 0.4s; }
.animate-in:nth-child(5) { animation-delay: 0.5s; }
.animate-in:nth-child(6) { animation-delay: 0.6s; }