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

:root {
  --bg: #07090f;
  --surface: #0e1118;
  --border: rgba(255,255,255,0.07);
  --accent: #00e5ff;
  --accent2: #7c4dff;
  --text: #e8eaf0;
  --muted: #6b7280;
  --white: #ffffff;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 4rem;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(20px);
}

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--white);
  text-decoration: none;
}
.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-cta {
  background: var(--accent) !important;
  color: #000 !important;
  padding: 0.5rem 1.25rem !important;
  font-weight: 500 !important;
}
.nav-cta:hover { opacity: 0.85; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  transition: all 0.3s;
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 65px; left: 0; right: 0;
  background: rgba(7,9,15,0.97);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  z-index: 99;
  flex-direction: column;
  gap: 1.25rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--muted);
  text-decoration: none;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color 0.2s;
}
.mobile-menu a:hover, .mobile-menu a.active { color: var(--white); }
.mobile-menu .m-cta {
  background: var(--accent);
  color: #000 !important;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  text-align: center;
  margin-top: 0.5rem;
}

/* ─── PAGE HEADER ─── */
.page-header {
  padding: 10rem 4rem 5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-header-glow {
  position: absolute;
  width: 600px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,255,0.07) 0%, transparent 70%);
  top: -100px; right: -100px;
  pointer-events: none;
}
.page-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.page-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1.05;
  max-width: 16ch;
}
.page-title em { font-style: normal; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,0.25); }
.page-sub {
  margin-top: 1.5rem;
  font-size: 1rem;
  color: var(--muted);
  max-width: 50ch;
}

/* ─── SECTION COMMONS ─── */
.section { padding: 7rem 4rem; }
.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* ─── BUTTONS ─── */
.btn-primary {
  background: var(--accent);
  color: #000;
  padding: 0.875rem 2rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  letter-spacing: 0.02em;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,229,255,0.25);
}
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.875rem 2rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ─── SURFACE ─── */
.bg-surface { background: var(--surface); }

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
footer p { font-size: 0.8rem; color: var(--muted); }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { font-size: 0.8rem; color: var(--muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }

/* ─── REVEAL ─── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  nav { padding: 1.25rem 1.5rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .page-header { padding: 8rem 1.5rem 4rem; }
  .section { padding: 4rem 1.5rem; }
  footer { flex-direction: column; gap: 1rem; text-align: center; padding: 2rem 1.5rem; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}