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

:root {
  --teal-400: #2dd4bf;
  --teal-500: #14b8a6;
  --emerald-400: #34d399;
  --cyan-400: #22d3ee;
  --cyan-500: #06b6d4;

  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-300: #d4d4d8;
  --gray-400: #a1a1aa;
  --gray-500: #71717a;
  --gray-600: #52525b;
  --gray-700: #3f3f46;
  --gray-800: #27272a;
  --gray-900: #18181b;
  --gray-950: #09090b;

  --white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
}

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

body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ──────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 24px;
  transition: background 0.3s, backdrop-filter 0.3s, box-shadow 0.3s;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.02em;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--emerald-400), var(--teal-400), var(--cyan-500));
  color: white;
  font-weight: 700;
  font-size: 16px;
}

.logo-text {
  color: var(--gray-900);
}

.nav.scrolled .logo-text {
  color: var(--gray-900);
}

.nav:not(.scrolled) .logo-text {
  color: var(--white);
}

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

.nav-links a {
  font-size: 14px;
  font-weight: 450;
  color: var(--gray-400);
  transition: color 0.2s;
}

.nav.scrolled .nav-links a {
  color: var(--gray-500);
}

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

.nav.scrolled .nav-links a:hover {
  color: var(--gray-900);
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gray-950);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(20, 184, 166, 0.15), transparent),
    radial-gradient(ellipse 60% 50% at 70% 60%, rgba(6, 182, 212, 0.1), transparent);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 720px;
  padding: 120px 24px 80px;
}

.hero-eyebrow {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-400);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--emerald-400), var(--teal-400), var(--cyan-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--gray-400);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 40px;
  font-weight: 350;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--teal-400);
  padding: 12px 28px;
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-radius: 100px;
  transition: all 0.3s;
}

.hero-cta:hover {
  background: rgba(45, 212, 191, 0.1);
  border-color: rgba(45, 212, 191, 0.5);
}

.hero-cta svg {
  animation: bounce-down 2s infinite;
}

@keyframes bounce-down {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* ── About ───────────────────────────────────────────── */
.about {
  padding: 120px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 80px;
  align-items: start;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-500);
  padding: 6px 14px;
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: 100px;
  background: rgba(20, 184, 166, 0.05);
}

.about-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 24px;
}

.about-text {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-text em {
  color: var(--gray-900);
  font-style: italic;
}

/* ── Values ──────────────────────────────────────────── */
.values {
  padding: 80px 0 120px;
  background: var(--white);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.value-card {
  padding: 36px 32px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
  transition: transform 0.3s, box-shadow 0.3s;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.value-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.1), rgba(6, 182, 212, 0.1));
  color: var(--teal-500);
  margin-bottom: 20px;
}

.value-card h3 {
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  color: var(--gray-900);
}

.value-card p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ── Products ────────────────────────────────────────── */
.products {
  padding: 120px 0;
  background: var(--gray-50);
}

.products .section-tag {
  margin-bottom: 16px;
}

.products-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  margin-bottom: 56px;
}

.product-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  background: var(--white);
  border-radius: 24px;
  border: 1px solid var(--gray-200);
  padding: 56px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.product-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--emerald-400);
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.2);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.product-name {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.product-tagline {
  font-size: 17px;
  color: var(--teal-500);
  font-weight: 500;
  margin-bottom: 16px;
}

.product-desc {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 24px;
}

.product-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.product-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

.product-features svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--teal-500);
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  background: linear-gradient(135deg, var(--emerald-400), var(--teal-500), var(--cyan-500));
  padding: 14px 28px;
  border-radius: 12px;
  transition: opacity 0.2s, transform 0.2s;
}

.product-link:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ── Product Mockup ──────────────────────────────────── */
.product-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-mockup {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-300);
}

.mockup-url {
  margin-left: 12px;
  font-size: 12px;
  color: var(--gray-400);
  background: var(--white);
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
}

.mockup-content {
  display: flex;
  min-height: 260px;
  background: var(--gray-50);
}

.mockup-sidebar {
  width: 48px;
  background: var(--gray-900);
  padding: 16px 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup-nav-item {
  height: 6px;
  border-radius: 3px;
  background: var(--gray-700);
}

.mockup-nav-item.active {
  background: var(--teal-400);
}

.mockup-main {
  flex: 1;
  padding: 20px;
}

.mockup-header {
  height: 12px;
  width: 40%;
  background: var(--gray-200);
  border-radius: 6px;
  margin-bottom: 20px;
}

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.mockup-cell {
  height: 36px;
  border-radius: 6px;
  opacity: 0.8;
}

.mockup-cell.c1 { background: rgba(52, 211, 153, 0.25); }
.mockup-cell.c2 { background: rgba(6, 182, 212, 0.25); }
.mockup-cell.c3 { background: rgba(168, 85, 247, 0.2); }
.mockup-cell.c4 { background: rgba(251, 191, 36, 0.25); }

/* ── Coming Soon ─────────────────────────────────────── */
.coming-soon {
  text-align: center;
  margin-top: 64px;
  padding: 48px;
  border: 2px dashed var(--gray-200);
  border-radius: var(--radius);
}

.coming-soon-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 4px;
}

.coming-soon-sub {
  font-size: 15px;
  color: var(--gray-400);
}

/* ── Footer ──────────────────────────────────────────── */
.footer {
  padding: 80px 0 40px;
  background: var(--gray-950);
  color: var(--gray-400);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand .logo-mark {
  width: 36px;
  height: 36px;
  font-size: 18px;
}

.footer-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

.footer-tagline {
  font-size: 14px;
  color: var(--gray-500);
}

.footer-links {
  display: flex;
  gap: 80px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--gray-400);
  margin-bottom: 10px;
  transition: color 0.2s;
}

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

.footer-bottom {
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--gray-600);
}

/* ── Reveal Animations ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-card {
    grid-template-columns: 1fr;
    padding: 36px 28px;
    gap: 40px;
  }

  .product-visual {
    order: -1;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero-content {
    padding: 100px 20px 60px;
  }

  .footer-content {
    flex-direction: column;
    gap: 40px;
  }

  .footer-links {
    gap: 48px;
  }

  .product-card {
    padding: 28px 20px;
  }
}