:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
}

.logo-badge {
  display: grid;
  place-items: center;
  width: 36px;
  aspect-ratio: 1;
  border-radius: 12px;
  background: var(--brand);
  color: #fff;
  font-size: 0.8rem;
}

.logo-badge i {
  font-size: 0.95rem;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: var(--muted);
  font-weight: 600;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
  cursor: pointer;
  align-items: center;
  gap: 0.45rem;
}

.mobile-menu {
  display: none;
  padding-bottom: 1rem;
}

.mobile-menu a {
  display: block;
  padding: 0.65rem 0.25rem;
  color: var(--muted);
  font-weight: 600;
}

.hero {
  padding: 4rem 0;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: #dbeafe;
  color: var(--brand-dark);
  font-size: 0.85rem;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  margin-bottom: 0.4rem;
}

.lead {
  color: var(--muted);
  max-width: 58ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.8rem 1rem;
  border-radius: 12px;
  font-weight: 700;
  min-width: 140px;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-secondary {
  background: #0f172a;
  color: #fff;
}

.hero-visual {
  width: 100%;
  max-width: 360px;
  margin-inline: auto;
  display: grid;
  gap: 1rem;
  justify-items: center;
}

.phone-shell {
  position: relative;
  width: 290px;
  height: 580px;
  padding: 14px;
  border-radius: 44px;
  background: #0b1220;
  box-shadow: 0 22px 44px rgba(15, 23, 42, 0.35);
}

.phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 118px;
  height: 22px;
  border-radius: 0 0 14px 14px;
  background: #0b1220;
  z-index: 2;
}

.phone-side-btn {
  position: absolute;
  left: -3px;
  width: 3px;
  border-radius: 99px;
  background: #111827;
}

.phone-side-btn-top {
  top: 124px;
  height: 42px;
}

.phone-side-btn-bottom {
  top: 176px;
  height: 54px;
}

.phone-screen {
  position: relative;
  height: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: #fff;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 0;
  transition: opacity 0.7s ease;
}

.hero-slide.is-active {
  opacity: 1;
}

.phone-dots {
  display: inline-flex;
  gap: 0.5rem;
}

.phone-dot {
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 999px;
  background: #cbd5e1;
  cursor: pointer;
  padding: 0;
}

.phone-dot.is-active {
  background: var(--brand);
}

.features,
.screenshots,
.instagram {
  padding: 4rem 0;
}

.section-head {
  margin-bottom: 1.4rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.75rem;
  background: #dbeafe;
  color: var(--brand-dark);
  margin-bottom: 0.75rem;
}

.screenshots-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.controls {
  display: flex;
  gap: 0.5rem;
}

.icon-btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  width: 38px;
  height: 38px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 1.1rem;
}

.shots-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 280px);
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}

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

.shots-track img {
  height: 520px;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.insta-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.insta-grid img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 12px;
}

.site-footer {
  margin-top: 2rem;
  padding-top: 2rem;
  color: #cbd5e1;
  background: linear-gradient(180deg, #0f172a 0%, #0b1220 100%);
  border-top: 1px solid #1f2937;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
  padding-bottom: 1.4rem;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.footer-logo i {
  color: #fff;
  font-size: 0.95rem;
}

.footer-brand p {
  margin: 0;
  max-width: 36ch;
  color: #94a3b8;
  font-size: 0.9rem;
  line-height: 1.45;
}

.footer-col h4 {
  margin: 0 0 0.55rem;
  color: #fff;
  font-size: 0.95rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin: 0 0 0.35rem;
  color: #cbd5e1;
  font-size: 0.88rem;
}

.footer-col a {
  color: #cbd5e1;
}

.footer-bottom {
  border-top: 1px solid #1f2937;
  text-align: center;
  padding: 0.9rem 1rem 1rem;
  color: #64748b;
  font-size: 0.78rem;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

  .insta-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu.is-open {
    display: block;
  }

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

  .screenshots-head {
    align-items: start;
    flex-direction: column;
  }

  .insta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}