/* ═══════════════════════════════════════════════════════════
   Seen — Landing Page Styles
   ═══════════════════════════════════════════════════════════ */

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

:root {
  --bg: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f5f5f7;
  --text: #1a1a1a;
  --text-muted: #666666;
  --text-dim: #8e8e93;
  --accent: #3380fa;
  --accent2: #fd462c;
  --accent3: #10b981;
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 72px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Utilities ── */
.gradient-text {
  color: var(--accent);
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: background 0.3s;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-weight: 600 !important;
  transition: opacity 0.2s, transform 0.2s !important;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) 24px 60px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(51,128,250,0.06) 0%, rgba(253,70,44,0.03) 50%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: glowPulse 8s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-content {
  max-width: 1200px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-text { flex: 1; max-width: 540px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(51, 128, 250, 0.08);
  border: 1px solid rgba(51, 128, 250, 0.15);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent3);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 460px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: default;
}

.btn-coming-soon.secondary {
  background: #ffffff;
  color: var(--text);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.apple-icon,
.android-icon {
  width: 20px;
  height: 20px;
}

/* Phone frame */
.hero-phone {
  flex-shrink: 0;
  position: relative;
}

.phone-frame {
  position: relative;
  width: 280px;
  background: #0f1115;
  border-radius: 40px;
  padding: 12px;
  border: 4px solid #1f222a;
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.12),
    0 0 40px rgba(51, 128, 250, 0.04);
  overflow: hidden;
  animation: phoneFloat 6s ease-in-out infinite;
}

.phone-frame.small {
  width: 220px;
  border-radius: 32px;
  padding: 8px;
  border: 3px solid #1f222a;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
  animation: none;
}

@keyframes phoneFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 28px;
  background: #0a0a0f;
  border-radius: 0 0 20px 20px;
  z-index: 2;
}

.phone-frame.small .phone-notch {
  width: 80px;
  height: 22px;
  top: 8px;
  border-radius: 0 0 16px 16px;
}

.phone-screen {
  width: 100%;
  border-radius: 28px;
  display: block;
}

.phone-frame.small .phone-screen {
  border-radius: 24px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--text-dim);
  border-bottom: 2px solid var(--text-dim);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.4; }
  50% { transform: rotate(45deg) translateY(8px); opacity: 1; }
}

/* ── FEATURES ── */
.features {
  padding: 120px 0;
  position: relative;
  background-color: #f2f2f7;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 16px;
  padding: 4px 14px;
  border-radius: 100px;
  background: rgba(51, 128, 250, 0.08);
}

.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

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

/* Minimalist Grid */
.minimal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.minimal-card {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.minimal-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.minimal-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(var(--accent-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1px solid rgba(var(--accent-rgb), 0.15);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  color: rgb(var(--accent-rgb));
}

/* ── SCREENSHOTS CAROUSEL ── */
.screenshots {
  padding: 100px 0 120px;
  overflow: hidden;
  background-color: #ffffff;
}

.carousel-outer {
  position: relative;
  width: 100%;
  margin-top: 48px;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.carousel-arrow:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.12);
}

.prev-btn { left: -20px; }
.next-btn { right: -20px; }

.carousel-track {
  display: flex;
  gap: 32px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 20px 40px;
  scrollbar-width: none;
}

.carousel-track::-webkit-scrollbar { display: none; }

.carousel-item {
  scroll-snap-align: center;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.carousel-item .phone-frame {
  width: 220px;
  background: #0f1115;
  border-radius: 32px;
  padding: 8px;
  border: 3px solid #1f222a;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.carousel-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

/* ── DOWNLOAD CTA ── */
.download {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
  background-color: #ffffff;
}

.download-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
  z-index: 1;
}

.download-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.download-title {
  font-size: clamp(38px, 5vw, 54px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 24px;
}

.download-desc {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}

.download-options {
  display: flex;
  gap: 24px;
  align-items: center;
}

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

.download-mockup .phone-frame {
  width: 240px;
  background: #0f1115;
  border-radius: 36px;
  padding: 10px;
  border: 4px solid #1f222a;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

/* ── FOOTER ── */
.footer {
  padding: 80px 0 40px;
  background-color: #f2f2f7;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-columns {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 60px;
}

.footer-col h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-col ul a {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-col.brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.footer-logo-text {
  font-size: 20px;
  font-weight: 800;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 260px;
}

.footer-bottom {
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  font-size: 13px;
  color: var(--text-dim);
}



/* Static layout elements, no delay, fully visible */
.minimal-card,
.carousel-item {
  opacity: 1;
  transform: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .minimal-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .download-layout {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  .download-info {
    align-items: center;
    text-align: center;
  }
  .download-desc {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 900px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
  }

  .hero-text { max-width: 100%; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-phone { order: -1; }

  .phone-frame {
    width: 220px;
    border-radius: 32px;
    padding: 8px;
  }

  .phone-notch {
    width: 80px;
    height: 22px;
    top: 8px;
    border-radius: 0 0 16px 16px;
  }

  .phone-screen { border-radius: 24px; }


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

@media (max-width: 680px) {
  .minimal-grid {
    grid-template-columns: 1fr;
  }
  .footer-columns {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-col.brand {
    align-items: center;
    text-align: center;
  }
  .footer-tagline {
    margin: 0 auto;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 580px) {
  .nav-links a:not(.nav-cta) { display: none; }

  .hero-title { letter-spacing: -1px; }

  .phone-frame.small { width: 180px; border-radius: 28px; padding: 6px; }
  .phone-frame.small .phone-screen { border-radius: 22px; }

  .carousel-track { gap: 20px; padding: 20px 40px; }

  .download-options {
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }
  .btn-coming-soon {
    width: 100%;
    justify-content: center;
  }
}