:root {
  --bg: #fff1f3;
  --panel: #fff8f8;
  --ink: #26090f;
  --muted: #6a313b;
  --accent: #d7263d;
  --accent-dark: #8f1024;
  --line: #f2ccd3;
}

* {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Urbanist", sans-serif;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 15%, #ffd3d9 0, transparent 35%),
    radial-gradient(circle at 90% 0%, #ffc7d1 0, transparent 35%), var(--bg);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

h1,
h2,
h3,
.logo span {
  letter-spacing: 0.01em;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 250, 244, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.main-nav {
  width: min(1100px, 92vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo {
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
}

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

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.1rem;
}

.main-nav a {
  color: var(--ink);
  text-decoration: none;
}

.main-nav li a {
  font-weight: 600;
  position: relative;
}

.main-nav li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.main-nav li a:hover::after {
  transform: scaleX(1);
}

.hero,
.features,
.demo,
.install {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.hero {
  min-height: 62vh;
  display: grid;
  align-items: center;
  padding: 4.5rem 0 2rem;
}

.hero-content {
  background: linear-gradient(135deg, #550b18 0%, #8f1024 55%, #cf2039 100%);
  color: #fff;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: clamp(1.6rem, 4vw, 3rem);
  box-shadow: 0 22px 40px rgba(78, 22, 22, 0.35);
  animation: rise 600ms ease-out both;
}

.hero h1 {
  font-size: clamp(1.9rem, 4.6vw, 3.6rem);
  line-height: 1.08;
  margin: 0 0 1rem;
}

.hero p {
  margin: 0;
  max-width: 70ch;
  color: #f6efef;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.cta-button {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.cta-button.primary {
  color: #450914;
  background: #ffe8ec;
}

.cta-button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.08);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(31, 21, 21, 0.25);
}

.features {
  padding: 2.6rem 0;
}

.features h2,
.demo h2,
.install h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
}

.feature-grid {
  margin-top: 1.2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem;
  animation: rise 700ms ease-out both;
}

.feature-card:nth-child(2) {
  animation-delay: 80ms;
}

.feature-card:nth-child(3) {
  animation-delay: 160ms;
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-grid;
  place-items: center;
  background: #ffe2e7;
  color: var(--accent-dark);
  margin-bottom: 0.8rem;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.28rem;
}

.feature-card p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.demo {
  padding: 2.4rem 0;
}

.demo-copy p,
.install p {
  margin: 0;
  color: var(--muted);
}

.demo-frame {
  margin-top: 1rem;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 16px 30px rgba(54, 28, 28, 0.15);
}

.demo-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.install {
  padding: 2.4rem 0 3rem;
}

.store-grid {
  margin-top: 1.2rem;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.store-link {
  text-decoration: none;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.store-link i {
  color: var(--accent-dark);
  font-size: 1.1rem;
}

.store-link:hover {
  transform: translateY(-2px);
  border-color: #e5a6b1;
  box-shadow: 0 10px 20px rgba(56, 28, 28, 0.12);
}

.section-subtitle {
  margin: 0;
  color: var(--muted);
}

.project-links {
  margin-top: 1.4rem;
}

.project-links h3 {
  margin: 0;
  font-size: 1.25rem;
}

.project-grid {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.language-support {
  margin-top: 1.4rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.language-support h3 {
  margin: 0;
  font-size: 1.25rem;
}

.contribute-cta {
  margin-top: 0.8rem;
  display: inline-flex;
  gap: 0.5rem;
}

.language-list-title {
  margin-top: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.language-list {
  list-style: none;
  padding: 0;
  margin: 0.6rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.language-list li {
  background: #ffe2e7;
  color: var(--accent-dark);
  border: 1px solid #efb7c1;
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  font-size: 0.9rem;
  font-weight: 700;
}

footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 250, 244, 0.9);
  text-align: center;
  padding: 1.1rem;
  color: var(--muted);
}

.github-meta {
  margin-top: 0.45rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-size: 0.95rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@media (max-width: 640px) {
  .main-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .main-nav ul {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }
}