:root {
  --bg: #0a0a0a;
  --bg-alt: #121212;
  --text: #f2f2f2;
  --muted: #b3b3b3;
  --accent: #ffffff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

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

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #222;
}

.navbar {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.5rem;
}

.brand img {
  height: 44px;
  display: block;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: color 0.2s ease;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  z-index: 0;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
  background: radial-gradient(ellipse at center, #1a1a1a 0%, #0a0a0a 70%);
}

#dotted-surface {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero-logo {
  max-width: 360px;
  width: 80%;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 2rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.hero p {
  color: var(--muted);
  max-width: 480px;
  margin-bottom: 2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border: 2px solid var(--accent);
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  background: var(--accent);
  color: #0a0a0a;
}

/* Sections */
.section {
  max-width: 900px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
  text-align: center;
}

.section.alt {
  max-width: 100%;
  background: var(--bg-alt);
}

.section h2 {
  font-size: 1.75rem;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.section p {
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
}

.about-section {
  max-width: 1000px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
  text-align: left;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 1.25rem;
  border: 1px solid #262626;
  border-radius: 10px;
  background: var(--bg-alt);
  color: var(--accent);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.feature-card p {
  max-width: none;
  margin: 0;
  font-size: 0.9rem;
}

.story-section {
  display: flex;
  align-items: center;
  gap: 3.5rem;
  max-width: 1100px;
  text-align: left;
}

.story-image {
  flex: 1 1 380px;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #262626;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
}

.story-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-text {
  flex: 1 1 420px;
}

.story-text h2 {
  text-align: left;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.story-underline {
  width: 60px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
  margin-bottom: 1.75rem;
}

.story-text p {
  max-width: none;
  margin: 0 0 1.25rem;
  text-align: left;
}

.story-text p:last-child {
  margin-bottom: 0;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  max-width: 1000px;
  margin: 0 auto;
}

.card {
  background: #1a1a1a;
  border: 1px solid #262626;
  border-radius: 12px;
  padding: 2rem;
  flex: 1 1 240px;
  max-width: 280px;
}

.card h3 {
  margin-bottom: 0.75rem;
  letter-spacing: 0.03em;
}

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

/* Footer */
.site-footer {
  text-align: center;
  padding: 3rem 1.5rem;
  border-top: 1px solid #222;
}

.footer-logo {
  height: 40px;
  margin-bottom: 1rem;
}

.site-footer p {
  color: var(--muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 700px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-bottom: 1px solid #222;
  }

  .nav-links.open {
    max-height: 300px;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a {
    display: block;
    padding: 1rem;
  }

  .story-section {
    flex-direction: column;
  }

  .story-image {
    max-width: 320px;
    width: 100%;
  }
}