@import url('https://fonts.googleapis.com/css2?family=Syncopate:wght@400;700&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400;1,600&family=IBM+Plex+Mono:wght@300;400;500&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

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

:root {
  --ink:    #050912;
  --deep:   #070E24;
  --panel:  #0A1530;
  --panel2: #0E1C40;
  --cyan:   #00E5FF;
  --cyan2:  #009AB5;
  --silver: #B8CDE0;
  --white:  #EBF3FA;
  --gold:   #C9973F;
  --dim:    rgba(184,205,224,0.5);
  --dimmer: rgba(184,205,224,0.3);
  --border: rgba(0,229,255,0.13);
  --border2: rgba(0,229,255,0.06);
  --glow:   0 0 48px rgba(0,229,255,0.14);
  --font-display: 'Syncopate', sans-serif;
  --font-serif: 'Cormorant Garamond', serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }
body {
  background: var(--ink);
  color: var(--silver);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.8;
  overflow-x: hidden;
}
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--cyan2); border-radius: 2px; }
::selection { background: rgba(0,229,255,0.2); color: var(--white); }

/* ────── NAV ────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 68px;
  transition: background 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5,9,18,0.96);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.24em;
  color: var(--white); text-decoration: none;
  display: flex; align-items: center; gap: 0;
}
.nav-logo .accent { color: var(--cyan); }
.nav-logo .pipe {
  margin: 0 10px; color: var(--border);
  font-weight: 300; font-size: 16px;
}
.nav-logo .sub {
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 0.3em; font-weight: 300;
  color: var(--dimmer); text-transform: uppercase;
}
.nav-links { display: flex; }
.nav-link {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.16em; color: var(--dim);
  text-decoration: none; text-transform: uppercase;
  padding: 10px 18px; position: relative;
  transition: color 0.3s;
}
.nav-link::after {
  content: ''; position: absolute;
  bottom: 4px; left: 18px; right: 18px;
  height: 1px; background: var(--cyan);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--cyan); }
.nav-link.active::after { transform: scaleX(1); }
.nav-cta {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink); background: var(--cyan);
  padding: 11px 26px; text-decoration: none;
  clip-path: polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%);
  transition: background 0.3s;
}
.nav-cta:hover { background: #7ff7ff; }

/* ────── BUTTONS ────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.18em; text-transform: uppercase;
  text-decoration: none; padding: 13px 30px;
  transition: all 0.3s; cursor: pointer; border: none;
}
.btn-primary {
  background: var(--cyan); color: var(--ink);
  clip-path: polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%);
}
.btn-primary:hover { background: #7ff7ff; }
.btn-outline {
  border: 1px solid var(--border); color: var(--silver);
  background: transparent;
}
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0,229,255,0.04); }
.btn-ghost { color: var(--cyan); background: transparent; padding: 13px 0; }
.btn-ghost::after { content: ' →'; transition: margin 0.3s; }
.btn-ghost:hover::after { margin-left: 6px; }

/* ────── SECTION BASICS ────── */
.section { padding: 108px 68px; }
.section-alt { background: var(--deep); }
.section-dark { background: var(--panel); }

.label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.3em; color: var(--cyan); text-transform: uppercase;
  display: flex; align-items: center; gap: 14px; margin-bottom: 18px;
}
.label::before { content:''; width:28px; height:1px; background:var(--cyan); flex-shrink:0; }

.heading {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 60px);
  font-weight: 300; color: var(--white); line-height: 1.1;
}
.heading em { color: var(--cyan); font-style: italic; }
.heading strong { font-weight: 600; }

.body-text {
  font-size: 15.5px; color: var(--dim); line-height: 1.9;
}
.body-text p + p { margin-top: 20px; }
.body-text strong { color: var(--silver); font-weight: 500; }

/* ────── CARDS ────── */
.card {
  background: var(--panel); padding: 44px 38px;
  border: 1px solid var(--border2);
  position: relative; overflow: hidden;
  transition: border-color 0.35s, transform 0.35s, box-shadow 0.35s;
}
.card::after {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0; transition: opacity 0.35s;
}
.card:hover { border-color: var(--border); transform: translateY(-4px); box-shadow: var(--glow); }
.card:hover::after { opacity: 1; }
.card-icon {
  width: 44px; height: 44px; color: var(--cyan);
  margin-bottom: 26px; opacity: 0.8;
}
.card-label {
  font-family: var(--font-mono); font-size: 9.5px;
  letter-spacing: 0.24em; color: var(--cyan2);
  text-transform: uppercase; margin-bottom: 12px;
}
.card-title {
  font-family: var(--font-serif); font-size: 24px; font-weight: 400;
  color: var(--white); margin-bottom: 16px; line-height: 1.25;
}
.card-body { font-size: 14.5px; color: var(--dim); line-height: 1.85; }
.card-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.16em; color: var(--cyan); text-decoration: none;
  margin-top: 26px; text-transform: uppercase;
  transition: gap 0.3s;
}
.card-link:hover { gap: 14px; }

/* ────── DIVIDERS ────── */
.fiber { height: 1px; width: 100%;
  background: linear-gradient(90deg, transparent, var(--cyan2) 30%, var(--cyan) 50%, var(--cyan2) 70%, transparent);
  opacity: 0.18; }
.fiber-section { margin: 0; }

/* ────── CTA BANNER ────── */
.cta-banner {
  background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 80px 68px;
  display: flex; align-items: center; justify-content: space-between; gap: 48px;
}
.cta-banner-text .heading { font-size: clamp(28px,3vw,46px); }
.cta-banner-text .body-text { margin-top: 12px; font-size: 15px; }
.cta-actions { display: flex; gap: 16px; flex-shrink: 0; }

/* ────── FEATURELIST ────── */
.feat-list { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; }
.feat-item {
  display: flex; align-items: flex-start; gap: 14px;
  font-size: 14.5px; color: var(--dim);
}
.feat-item::before {
  content: '›'; color: var(--cyan); font-size: 18px;
  line-height: 1.3; flex-shrink: 0;
}

/* ────── TABLE ────── */
.data-table { width: 100%; border-collapse: collapse; }
.data-table thead th {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--cyan); font-weight: 400;
  padding: 16px 22px; text-align: left;
  background: var(--panel2); border-bottom: 1px solid var(--border);
}
.data-table tbody tr { border-bottom: 1px solid var(--border2); transition: background 0.2s; }
.data-table tbody tr:hover { background: rgba(0,229,255,0.03); }
.data-table td { padding: 18px 22px; vertical-align: top; color: var(--dim); font-size: 14px; line-height: 1.7; }
.data-table td:first-child {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--white); letter-spacing: 0.05em; white-space: nowrap;
}

/* ────── PAGE HERO ────── */
.page-hero {
  padding: 190px 68px 110px; position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border2);
}
.page-hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 50% 70% at 75% 50%, rgba(0,229,255,0.055) 0%, transparent 65%),
    radial-gradient(ellipse 30% 50% at 10% 80%, rgba(0,100,180,0.04) 0%, transparent 60%);
}
.page-hero-grid {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden; opacity: 0.06;
  background-image: linear-gradient(var(--cyan) 1px, transparent 1px),
    linear-gradient(90deg, var(--cyan) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 80% 50%, black 20%, transparent 70%);
}
.page-hero-tag {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.3em;
  color: var(--cyan); text-transform: uppercase; margin-bottom: 24px;
  display: flex; align-items: center; gap: 14px;
  opacity: 0; animation: up 0.8s 0.2s forwards;
}
.page-hero-tag::before { content:''; width:28px; height:1px; background:var(--cyan); }
.page-hero h1 {
  font-family: var(--font-serif); font-size: clamp(44px,6.5vw,96px);
  font-weight: 300; color: var(--white); line-height: 1.06; max-width: 820px;
  opacity: 0; animation: up 0.8s 0.4s forwards;
}
.page-hero h1 em { font-style: italic; color: var(--cyan); }
.page-hero-desc {
  margin-top: 28px; max-width: 540px;
  font-size: 16px; color: var(--dim); line-height: 1.9;
  opacity: 0; animation: up 0.8s 0.6s forwards;
}

/* ────── FOOTER ────── */
.footer {
  background: #030710; border-top: 1px solid var(--border);
  padding: 52px 68px;
  display: grid; grid-template-columns: 1.2fr 1fr 1fr;
  gap: 60px; align-items: start;
}
.footer-logo {
  font-family: var(--font-display); font-size: 12px;
  font-weight: 700; letter-spacing: 0.22em; color: var(--white);
}
.footer-logo .accent { color: var(--cyan); }
.footer-tagline {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.12em; color: var(--dimmer); margin-top: 10px; line-height: 1.8;
}
.footer-col-title {
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--dim); text-decoration: none; transition: color 0.3s;
}
.footer-links a:hover { color: var(--cyan); }
.footer-bottom {
  grid-column: 1 / -1; padding-top: 32px;
  border-top: 1px solid var(--border2);
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--dimmer); letter-spacing: 0.1em;
}

/* ────── ANIMATIONS ────── */
@keyframes up {
  from { opacity:0; transform:translateY(22px); }
  to   { opacity:1; transform:translateY(0); }
}
.reveal { opacity:0; transform:translateY(26px); transition:opacity 0.75s ease, transform 0.75s ease; }
.reveal.in { opacity:1; transform:none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }

/* ────── RESPONSIVE ────── */
@media (max-width: 900px) {
  .nav { padding: 18px 22px; }
  .nav-links { display: none; }
  .section { padding: 72px 22px; }
  .page-hero { padding: 140px 22px 80px; }
  .cta-banner { flex-direction: column; padding: 60px 22px; }
  .cta-actions { flex-direction: column; width: 100%; }
  .footer { grid-template-columns: 1fr; gap: 36px; padding: 48px 22px; }
}