@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --accent: #00e5ff;
  --accent2: #7c3aed;
  --grey: #111127;
  --card: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.07);
  --muted: rgba(255,255,255,0.55);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--black); color: var(--white); font-family: var(--font); line-height: 1.6; -webkit-font-smoothing: antialiased; }

/* ── SCROLL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 60px; height: 72px;
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: 0 4px 40px rgba(0,0,0,0.4); }
.nav-logo { font-size: 1.3rem; font-weight: 900; letter-spacing: -0.5px; text-decoration: none; color: var(--white); }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a { color: rgba(255,255,255,0.65); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--white); }
.nav-cta {
  background: var(--accent); color: var(--black) !important;
  padding: 10px 22px; border-radius: 6px; font-weight: 800 !important;
  font-size: 0.88rem !important; transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 20px rgba(0,229,255,0.25);
}
.nav-cta:hover { opacity: 0.88; transform: translateY(-1px); box-shadow: 0 0 36px rgba(0,229,255,0.45); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all 0.3s; }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0;
  background: rgba(10,10,10,0.98); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); padding: 24px 24px 32px;
  flex-direction: column; gap: 4px; z-index: 998;
  transform: translateY(-10px); opacity: 0; transition: all 0.25s ease;
}
.mobile-menu.open { display: flex; transform: translateY(0); opacity: 1; }
.mobile-menu a { color: rgba(255,255,255,0.75); text-decoration: none; font-size: 1.05rem; font-weight: 500; padding: 12px 0; border-bottom: 1px solid var(--border); transition: color 0.2s; }
.mobile-menu a:hover { color: var(--accent); }
.mobile-menu a:last-child { border-bottom: none; color: var(--accent); font-weight: 700; }

/* ── PAGE HEADER ── */
.page-header {
  padding: 160px 60px 80px;
  background: radial-gradient(ellipse at 65% 40%, rgba(0,229,255,0.07) 0%, transparent 55%),
              radial-gradient(ellipse at 20% 80%, rgba(124,58,237,0.06) 0%, transparent 50%), var(--black);
}
.eyebrow { font-size: 0.73rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; display: block; }
.page-header h1 { font-size: clamp(2.4rem, 5vw, 4.5rem); font-weight: 900; letter-spacing: -2px; line-height: 1.06; margin-bottom: 20px; }
.page-header p { color: var(--muted); font-size: 1.1rem; max-width: 560px; line-height: 1.75; }

/* ── SECTIONS ── */
section { padding: 90px 60px; }
section.grey { background: var(--grey); }
.section-label { font-size: 0.73rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; display: block; }
.section-title { font-size: clamp(1.9rem, 3.5vw, 3rem); font-weight: 900; letter-spacing: -1px; line-height: 1.1; margin-bottom: 18px; }
.section-sub { color: var(--muted); font-size: 1.05rem; max-width: 560px; line-height: 1.75; margin-bottom: 56px; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block; background: var(--accent); color: var(--black);
  padding: 15px 34px; border-radius: 8px; text-decoration: none; font-weight: 800; font-size: 1rem;
  box-shadow: 0 0 32px rgba(0,229,255,0.28); transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 52px rgba(0,229,255,0.5); }
.btn-secondary {
  display: inline-block; border: 1px solid rgba(255,255,255,0.2); color: var(--white);
  padding: 15px 34px; border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 1rem;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.btn-secondary:hover { border-color: var(--accent); background: rgba(0,229,255,0.04); color: var(--accent); }
.btn-group { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── TAGS ── */
.tag { background: rgba(0,229,255,0.08); border: 1px solid rgba(0,229,255,0.2); color: var(--accent); padding: 4px 12px; border-radius: 20px; font-size: 0.77rem; font-weight: 600; transition: background 0.2s; }
.tag:hover { background: rgba(0,229,255,0.15); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ── CARDS ── */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 36px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.card:hover { border-color: rgba(0,229,255,0.3); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 20px rgba(0,229,255,0.05); }
.card-top-bar { position: relative; overflow: hidden; }
.card-top-bar::before { content:''; display:block; position:absolute; top:0; left:0; right:0; height:3px; background: linear-gradient(90deg, var(--accent), var(--accent2)); }

/* ── GRIDS ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }

/* ── HIGHLIGHT TEXT ── */
.highlight { background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ── CTA STRIP ── */
.cta-strip {
  text-align: center; padding: 110px 60px;
  background: linear-gradient(135deg, rgba(0,229,255,0.07) 0%, rgba(124,58,237,0.07) 100%);
  border-top: 1px solid rgba(0,229,255,0.13); border-bottom: 1px solid rgba(124,58,237,0.13);
}
.cta-strip h2 { font-size: clamp(2rem, 5vw, 4rem); font-weight: 900; letter-spacing: -1.5px; margin-bottom: 16px; }
.cta-strip p { color: var(--muted); font-size: 1.1rem; margin-bottom: 44px; }

/* ── FOOTER ── */
footer {
  background: var(--black); border-top: 1px solid var(--border);
  padding: 52px 60px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;
}
.footer-logo { font-size: 1.1rem; font-weight: 900; text-decoration: none; color: var(--white); }
.footer-logo span { color: var(--accent); }
.footer-copy { color: rgba(255,255,255,0.35); font-size: 0.82rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: rgba(255,255,255,0.4); text-decoration: none; font-size: 0.83rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }

/* ── FORM INPUTS ── */
.field-label { display: block; font-size: 0.78rem; font-weight: 600; color: rgba(255,255,255,0.5); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.field-input {
  width: 100%; background: rgba(0,0,0,0.5); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px; padding: 13px 15px; color: var(--white); font-family: var(--font);
  font-size: 0.95rem; outline: none; transition: border-color 0.25s, box-shadow 0.25s;
}
.field-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,229,255,0.1); }
.field-input option { background: #111; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 0 24px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .page-header { padding: 120px 24px 60px; }
  section { padding: 64px 24px; }
  .cta-strip { padding: 72px 24px; }
  footer { padding: 40px 24px; flex-direction: column; align-items: flex-start; }
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 600px) {
  .page-header h1 { letter-spacing: -1px; }
  .cta-strip h2 { letter-spacing: -0.5px; }
}