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

:root {
  --bg:       #0c0e12;
  --bg-alt:   #111318;
  --bg-card:  #161920;
  --border:   rgba(255, 255, 255, 0.07);
  --accent:   #4f7cff;
  --accent-2: #7c5cfc;
  --text:     #e8eaf0;
  --muted:    #7a7f8f;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --max-w: 860px;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  background: rgba(12, 14, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

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

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

.nav-links a {
  font-size: 0.875rem;
  color: var(--muted);
  transition: color 0.2s;
}

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

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 7rem 2rem 6rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(79, 124, 255, 0.1);
  border: 1px solid rgba(79, 124, 255, 0.2);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(79, 124, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.1s;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-primary:hover {
  background: #3d6ae8;
  border-color: #3d6ae8;
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.18);
}

/* ── Sections ─────────────────────────────────────────────── */
.section {
  padding: 6rem 2rem;
  border-bottom: 1px solid var(--border);
}

.section-alt {
  background-color: var(--bg-alt);
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 1.25rem;
}

.section-body {
  font-size: 1rem;
  color: var(--muted);
  max-width: 580px;
  line-height: 1.75;
}

/* ── Cards ────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: rgba(79, 124, 255, 0.3);
  transform: translateY(-2px);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(79, 124, 255, 0.1);
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ── Contact ──────────────────────────────────────────────── */
.contact-inner {
  display: flex;
  flex-direction: column;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.25rem;
  transition: color 0.2s, border-color 0.2s;
  cursor: pointer;
  max-width: 480px;
}

.contact-item svg {
  flex-shrink: 0;
  color: var(--accent);
}

.contact-item:hover {
  color: var(--text);
  border-color: rgba(79, 124, 255, 0.3);
}

.copy-badge {
  position: absolute;
  right: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #4ade80;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}

.copy-badge.visible {
  opacity: 1;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  padding: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 600px) {
  .nav {
    padding: 0 1.25rem;
  }

  .nav-links {
    gap: 1.25rem;
  }

  .hero {
    padding: 5rem 1.25rem 4rem;
  }

  .section {
    padding: 4rem 1.25rem;
  }

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

  .contact-item {
    max-width: 100%;
  }
}