/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: #05050F;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }

/* Base */
body {
  background: transparent;
  color: var(--text-primary);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Syne', system-ui, sans-serif;
  color: var(--text-bright);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); }

p { color: var(--text-primary); max-width: 65ch; }

.mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.875em;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
.container--hero {
  max-width: var(--max-hero);
}

section {
  padding: var(--space-xl) 0;
  position: relative;
}
@media (max-width: 768px) {
  section { padding: 80px 0; }
  .container { padding: 0 var(--space-sm); }
}

/* Hero content — no constraint so headline never truncates */
.hero__content {
  max-width: none !important;
}

/* Section header */
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: var(--space-sm);
}
.section-title {
  margin-bottom: var(--space-md);
}
.section-desc {
  color: var(--text-muted);
  font-size: 1.125rem;
  max-width: 56ch;
}

/* Divider */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan) 30%, var(--accent-cyan) 70%, transparent);
  opacity: 0.12;
  margin: 0;
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-sm) 0;
  transition: background var(--duration-base) var(--ease-in-out),
              backdrop-filter var(--duration-base) var(--ease-in-out);
}
.nav.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-hero);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
.nav__logo img {
  height: 56px;
  width: auto;
  mix-blend-mode: screen;
  filter: brightness(1.4) contrast(1.2);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.nav__links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--duration-fast);
}
.nav__links a:hover { color: var(--text-bright); }
.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--duration-base), opacity var(--duration-base);
}
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__cta .btn:not(.btn--primary) { display: none; }
  .nav__hamburger { display: flex; }
  .nav__logo img { height: 44px; }
}

/* Mobile nav drawer */
.nav-drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 80px var(--space-md) var(--space-md);
  flex-direction: column;
  gap: var(--space-md);
  border-right: 1px solid var(--border-subtle);
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--duration-fast);
}
.nav-drawer a:hover { color: var(--accent-cyan); }