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

:root {
  --bg: #FBFBFA;
  --primary: #010101;
  --accent: #D6AA6B;
  --accent-hover: #c49a5a;
  --text: #1a1a1a;
  --text-light: #555;
  --text-muted: #888;
  --border: #e5e5e5;
  --card-bg: #ffffff;
  --card-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
  --radius: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Navigation ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 3rem;
  background: rgba(251, 251, 250, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
  position: relative;
  user-select: none;
}

.brand-spin {
  display: inline-block;
  animation: brandSpin 0.6s ease;
}

@keyframes brandSpin {
  0%   { transform: scale(1) rotate(0deg); color: var(--primary); }
  25%  { transform: scale(1.3) rotate(10deg); color: var(--accent); }
  50%  { transform: scale(0.8) rotate(-5deg); color: #e74c3c; }
  75%  { transform: scale(1.2) rotate(3deg); color: var(--accent); }
  100% { transform: scale(1) rotate(0deg); color: var(--primary); }
}

.brand-particle {
  position: absolute;
  left: 50%;
  top: 50%;
  font-size: 1.2rem;
  pointer-events: none;
  animation: particleFly 0.8s ease-out forwards;
  opacity: 0;
}

@keyframes particleFly {
  0%   { transform: translate(-50%, -50%) scale(0); opacity: 1; }
  100% { transform: translate(var(--tx), var(--ty)) scale(1.3); opacity: 0; }
}

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

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-light);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  animation: fadeIn 1.2s ease-out;
}

.hero-content {
  max-width: 720px;
}

.hero-logo {
  width: 240px;
  height: auto;
  margin-bottom: 2rem;
  transition: transform 0.4s ease;
}

.hero-logo:hover {
  transform: scale(1.05);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  line-height: 1.5;
}

.cta-button {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  background: var(--primary);
  color: var(--bg);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.2s;
  letter-spacing: 0.02em;
}

.cta-button:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

/* ── Metrics Bar ── */
.metrics {
  background: var(--primary);
  padding: 3rem 2rem;
  width: 100%;
}

.metrics-grid {
  max-width: 700px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-item {
  min-width: 0;
}

.metric-value {
  display: block;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.metric-label {
  display: block;
  font-size: 0.85rem;
  color: rgba(251, 251, 250, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── Section Titles ── */
.section-title {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto 3rem;
  border-radius: 2px;
}

/* ── Products ── */
.products {
  padding: 5rem 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.3s;
}

.product-card:hover {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.product-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}

.product-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  min-width: 50px;
}

.product-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  flex: 1;
}

.product-badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: rgba(214, 170, 107, 0.12);
  color: var(--accent-hover);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-description {
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.product-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-bottom: 1.5rem;
}

.feature {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.92rem;
  color: var(--text);
}

.feature-icon {
  color: var(--accent);
  font-size: 0.6rem;
  margin-top: 0.4rem;
  flex-shrink: 0;
}

/* Product Stats */
.product-stats h4,
.product-screenshots h4,
.api-example h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat {
  text-align: center;
  padding: 1rem;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.stat-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-screenshot img,
.screenshot-item img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* Benchmark Links */
.benchmark-links h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.8rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.benchmark-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.benchmark-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0;
  text-decoration: none;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, padding-left 0.2s;
}

.benchmark-link:first-of-type {
  border-top: 1px solid var(--border);
}

.benchmark-link:hover {
  color: var(--accent);
  padding-left: 0.3rem;
}

.benchmark-icon {
  color: var(--accent);
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* API Example */
.api-example pre {
  background: var(--primary);
  color: var(--accent);
  padding: 1.5rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Screenshot Grid */
.screenshot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.screenshot-item {
  text-align: center;
}

.screenshot-item span {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Contact Form ── */
.contact {
  padding: 5rem 2rem;
  background: var(--bg);
}

.contact-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  margin-top: -1.5rem;
}

.contact-form {
  max-width: 860px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.3rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--card-bg);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(214, 170, 107, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-button {
  display: block;
  width: 100%;
  padding: 0.9rem;
  background: var(--accent);
  color: var(--card-bg);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  letter-spacing: 0.02em;
}

.submit-button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.submit-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-status {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.9rem;
  min-height: 1.4rem;
}

.form-status.success {
  color: #2d8a4e;
}

.form-status.error {
  color: #c0392b;
}

/* ── Footer ── */
.footer {
  background: var(--primary);
  padding: 2.5rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 960px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--bg);
}

.footer-logo {
  width: 28px;
  height: 28px;
}

.footer-logo path[fill="#010101"] {
  fill: var(--bg);
}

.footer p {
  font-size: 0.85rem;
  color: rgba(251, 251, 250, 0.5);
}

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

/* ── Responsive ── */
@media (max-width: 768px) {
  .navbar {
    padding: 0.8rem 1.5rem;
  }

  .nav-brand {
    font-size: 1.1rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .nav-links a {
    font-size: 0.85rem;
  }

  .hero {
    padding-top: 5rem;
    min-height: auto;
    padding-bottom: 3rem;
  }

  .hero-logo {
    width: 160px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .metrics-grid {
    gap: 2rem;
    flex-wrap: wrap;
  }

  .metric-value {
    font-size: 1.8rem;
  }

  .products {
    padding: 3rem 1rem;
  }

  .product-card {
    padding: 1.5rem;
  }

  .product-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .product-number {
    font-size: 1.5rem;
  }

  .product-header h3 {
    font-size: 1.25rem;
  }

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

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

  .section-title {
    font-size: 1.6rem;
  }

  .contact {
    padding: 3rem 1rem;
  }

  .api-example pre {
    font-size: 0.72rem;
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0.6rem 1rem;
  }

  .metrics-grid {
    gap: 1.5rem;
  }

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