/* TURNEL LLC — tunnel theme: asphalt, sodium light, exit-portal blue */
@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@500;600;700&family=Figtree:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --asphalt: #08090c;
  --asphalt-2: #0e1016;
  --wall: #161922;
  --wall-2: #1c2030;
  --sodium: #f0a020;
  --sodium-dim: #c47e10;
  --sodium-glow: rgba(240, 160, 32, 0.28);
  --portal: #6ec8ff;
  --portal-dim: #3a9fd9;
  --portal-glow: rgba(110, 200, 255, 0.2);
  --fog: #d5dbe8;
  --fog-dim: #8b93a8;
  --white: #f7f8fb;
  --line: rgba(240, 160, 32, 0.16);
  --line-cool: rgba(110, 200, 255, 0.14);
  --radius: 12px;
  --font-display: "Chakra Petch", sans-serif;
  --font-body: "Figtree", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 1140px;
  --header-h: 74px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--fog);
  background:
    radial-gradient(ellipse 55% 45% at 78% 42%, var(--portal-glow), transparent 60%),
    radial-gradient(ellipse 40% 35% at 12% 80%, var(--sodium-glow), transparent 55%),
    linear-gradient(180deg, var(--asphalt) 0%, var(--asphalt-2) 50%, #0a0c12 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--portal); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--sodium); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--white);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 0.55em;
}

p { margin: 0 0 1em; }
.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.mono { font-family: var(--font-mono); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--sodium); color: var(--asphalt);
  padding: 0.6rem 1rem; z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  backdrop-filter: blur(14px);
  background: rgba(8, 9, 12, 0.82);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%;
}

.logo {
  display: inline-flex; align-items: center; gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.35rem;
  letter-spacing: 0.06em;
  color: var(--white); text-transform: uppercase;
}
.logo:hover { color: var(--white); }
.logo .llc {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--sodium);
  font-weight: 600;
  margin-left: 0.15rem;
  vertical-align: super;
}
.logo-mark {
  width: 34px; height: 34px; flex-shrink: 0;
}

.nav {
  display: flex; align-items: center; gap: 1.35rem;
  font-size: 0.92rem; font-weight: 600;
}
.nav a { color: var(--fog-dim); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--white); }
.btn-nav {
  padding: 0.45rem 0.95rem !important;
  border: 1px solid var(--sodium);
  border-radius: 999px;
  color: var(--sodium) !important;
  font-size: 0.85rem;
}
.btn-nav:hover {
  background: var(--sodium) !important;
  color: var(--asphalt) !important;
}

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 0.4rem;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--fog); transition: transform 0.2s, opacity 0.2s;
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(8, 9, 12, 0.96); border-bottom: 1px solid var(--line);
    padding: 0.75rem 1.25rem 1.25rem;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 0.75rem 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .btn-nav { text-align: center; margin-top: 0.5rem; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.4rem; padding: 0.8rem 1.35rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.04em; text-transform: uppercase;
  border-radius: 8px; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.15s, background 0.2s, border-color 0.2s, color 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--sodium), #d88912);
  color: var(--asphalt);
  box-shadow: 0 0 28px var(--sodium-glow);
}
.btn-primary:hover { color: var(--asphalt); filter: brightness(1.06); }
.btn-ghost {
  background: transparent; border-color: rgba(110, 200, 255, 0.35); color: var(--portal);
}
.btn-ghost:hover { border-color: var(--portal); color: var(--white); }
.cta-group { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

/* Hero — tunnel */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex; align-items: center;
  overflow: hidden; isolation: isolate;
}
.hero-atmosphere {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(circle at 72% 48%, rgba(110, 200, 255, 0.18), transparent 28%),
    linear-gradient(90deg, rgba(8, 9, 12, 0.92) 0%, rgba(8, 9, 12, 0.55) 42%, transparent 68%);
}
.hero-atmosphere svg {
  width: 100%; height: 100%; object-fit: cover;
}
.tunnel-floor {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 46px,
      rgba(240, 160, 32, 0.035) 46px,
      rgba(240, 160, 32, 0.035) 48px
    );
  mask-image: linear-gradient(180deg, transparent 35%, black 70%, black 100%);
  opacity: 0.7;
  animation: lane-rush 14s linear infinite;
}
@keyframes lane-rush {
  from { background-position: 0 0; }
  to { background-position: 96px 0; }
}

.hero-content {
  padding: 4.5rem 0 5.5rem;
  max-width: 36rem;
  position: relative;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-bottom: 1.1rem;
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--portal);
  animation: pulse-soft 3.2s ease-in-out infinite;
}
.hero-badge::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--sodium); box-shadow: 0 0 12px var(--sodium);
}
@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.brand-hero {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 10vw, 5.8rem);
  font-weight: 700; letter-spacing: 0.04em;
  line-height: 0.92; margin: 0 0 0.35rem;
  color: var(--white); text-transform: uppercase;
}
.brand-hero .llc-tag {
  display: block;
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  letter-spacing: 0.28em;
  color: var(--sodium);
  margin-top: 0.35rem;
  font-weight: 600;
}
.brand-meaning {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--fog-dim);
  margin: 0 0 1.1rem;
}
.brand-meaning strong { color: var(--portal); font-weight: 500; }

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 600; color: var(--fog);
  margin: 0 0 0.75rem; letter-spacing: 0;
  max-width: 18ch;
}
.hero-sub {
  font-size: 1.05rem; color: var(--fog-dim);
  max-width: 30rem; margin: 0;
}

/* Sections */
.section { padding: 5rem 0; position: relative; }
.section-alt {
  background:
    linear-gradient(180deg, transparent, rgba(22, 25, 34, 0.7), transparent);
  border-block: 1px solid rgba(255,255,255,0.03);
}
.section-label {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--sodium-dim); margin-bottom: 0.7rem;
}
.section-title {
  font-size: clamp(1.7rem, 3.8vw, 2.4rem);
  max-width: 16ch;
}
.section-lead {
  color: var(--fog-dim); max-width: 38rem; margin-bottom: 2.4rem;
}

/* Meaning / tunnel story strip */
.meaning-band {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.meaning-visual {
  position: relative;
  min-height: 220px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-cool);
  background: var(--wall);
}
.meaning-visual svg { width: 100%; height: 100%; min-height: 220px; }

.ipv6-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem 2rem; margin-top: 2rem;
}
.ipv6-item {
  padding: 1.35rem 1.25rem;
  border-left: 2px solid var(--sodium);
  background: linear-gradient(90deg, rgba(240, 160, 32, 0.06), transparent 70%);
}
.ipv6-item h3 { font-size: 1.12rem; margin-bottom: 0.35rem; }
.ipv6-item p { color: var(--fog-dim); font-size: 0.96rem; margin: 0; }
.ipv6-item .mono {
  font-size: 0.72rem; color: var(--portal);
  margin-bottom: 0.45rem; letter-spacing: 0.06em; text-transform: uppercase;
}

/* Plans */
.plans-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem; margin-top: 2rem;
}
.plan {
  position: relative;
  padding: 1.45rem 1.3rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(165deg, rgba(28, 32, 48, 0.9), rgba(14, 16, 22, 0.95));
  display: flex; flex-direction: column;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.plan:hover, .plan:focus-within {
  border-color: rgba(110, 200, 255, 0.4);
  box-shadow: 0 0 40px rgba(110, 200, 255, 0.08);
  transform: translateY(-3px);
}
.plan.featured {
  border-color: rgba(240, 160, 32, 0.55);
  box-shadow: 0 0 40px var(--sodium-glow);
}
.plan.featured::before {
  content: "MAIN BORE";
  position: absolute; top: 0.85rem; right: 0.85rem;
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.08em; color: var(--sodium);
}
.badge-v6 {
  display: inline-block; align-self: flex-start;
  margin-bottom: 0.75rem; padding: 0.28rem 0.55rem;
  font-family: var(--font-mono); font-size: 0.65rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--asphalt); background: var(--portal);
  border-radius: 4px;
}
.plan-name {
  font-size: 1.35rem; margin-bottom: 0.25rem;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.plan-price {
  font-family: var(--font-display); font-size: 2rem; font-weight: 700;
  color: var(--white); margin: 0.2rem 0 0.15rem;
}
.plan-price small {
  font-size: 0.85rem; font-weight: 500; color: var(--fog-dim);
  letter-spacing: 0.04em;
}
.plan-note {
  font-size: 0.82rem; color: var(--fog-dim); margin-bottom: 1rem;
}
.plan-specs {
  list-style: none; padding: 0; margin: 0 0 1.2rem;
  flex: 1;
}
.plan-specs li {
  display: flex; justify-content: space-between; gap: 0.75rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 0.88rem;
}
.plan-specs li span:first-child { color: var(--fog-dim); }
.plan-specs li span:last-child {
  color: var(--white); font-family: var(--font-mono); font-size: 0.8rem;
}
.plan .btn { width: 100%; margin-top: auto; }
.pricing-note {
  margin-top: 1.5rem; font-size: 0.88rem; color: var(--fog-dim);
  max-width: 52rem;
}

.features-row {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem; margin-top: 2rem;
}
.feature {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 16, 22, 0.6);
}
.feature h3 { font-size: 1.15rem; display: flex; gap: 0.65rem; align-items: baseline; }
.feature .num {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--sodium); letter-spacing: 0.06em;
}
.feature p { color: var(--fog-dim); margin: 0; font-size: 0.96rem; }

.faq-list { max-width: 720px; margin-top: 1.5rem; }
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
}
.faq-item summary {
  cursor: pointer; font-family: var(--font-display);
  font-weight: 600; font-size: 1.05rem; color: var(--white);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; float: right; color: var(--sodium); font-weight: 700;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--fog-dim); margin: 0.75rem 0 0.25rem; }

.cta-band {
  padding: 4.5rem 0;
  position: relative;
  background:
    radial-gradient(ellipse 50% 80% at 85% 50%, var(--portal-glow), transparent 55%),
    linear-gradient(90deg, var(--wall) 0%, var(--asphalt-2) 100%);
  border-block: 1px solid var(--line-cool);
}
.cta-band .section-title { max-width: 14ch; }

/* Page hero */
.page-hero {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 40% 80% at 90% 0%, var(--portal-glow), transparent 50%);
}
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); max-width: 16ch; }
.page-hero p { color: var(--fog-dim); max-width: 36rem; margin: 0; }

.prose { max-width: 740px; }
.prose h2 { margin-top: 2rem; font-size: 1.25rem; }
.prose p, .prose li { color: var(--fog-dim); }
.prose a { text-decoration: underline; text-underline-offset: 0.15em; }
.prose strong { color: var(--white); }

.stat-strip {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem; margin: 0 0 2rem;
}
.stat-strip div {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 16, 22, 0.7);
}
.stat-strip strong {
  display: block; font-family: var(--font-display);
  font-size: 1.2rem; color: var(--sodium); margin-bottom: 0.25rem;
}
.stat-strip span { font-size: 0.85rem; color: var(--fog-dim); }

/* Contact */
.contact-layout {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 2rem;
}
.contact-details { margin: 0; }
.contact-details dt {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--sodium); margin-top: 1rem;
}
.contact-details dt:first-child { margin-top: 0; }
.contact-details dd { margin: 0.25rem 0 0; color: var(--fog); }
.contact-form {
  padding: 1.5rem; border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 16, 22, 0.75);
  display: grid; gap: 0.9rem;
}
.contact-form label { display: block; font-size: 0.85rem; color: var(--fog-dim); margin-bottom: 0.3rem; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 0.7rem 0.85rem;
  border-radius: 8px; border: 1px solid var(--line);
  background: var(--asphalt); color: var(--white);
  font: inherit;
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.consent {
  display: flex; gap: 0.65rem; align-items: flex-start;
  font-size: 0.88rem; color: var(--fog-dim); line-height: 1.45;
}
.consent input { margin-top: 0.25rem; flex-shrink: 0; width: auto; }
.form-hint { font-size: 0.8rem; color: var(--fog-dim); margin: 0; }

/* Footer */
.site-footer {
  padding: 3rem 0 1.5rem;
  border-top: 1px solid var(--line);
  background: #06070a;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem; margin-bottom: 2rem;
}
.footer-brand {
  font-family: var(--font-display); font-size: 1.4rem;
  font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--white); margin-bottom: 0.5rem;
}
.footer-brand .llc {
  font-size: 0.65rem; color: var(--sodium); letter-spacing: 0.16em;
  margin-left: 0.25rem; vertical-align: super;
}
.footer-grid > div > p { color: var(--fog-dim); font-size: 0.92rem; max-width: 28ch; }
.footer-grid h4 {
  font-size: 0.72rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--sodium-dim); margin-bottom: 0.75rem;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.45rem; }
.footer-links a { color: var(--fog-dim); }
.footer-links a:hover { color: var(--portal); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem;
  padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.82rem; color: var(--fog-dim);
}
.footer-legal a { color: var(--fog-dim); margin: 0 0.15rem; }
.footer-legal a:hover { color: var(--sodium); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .plans-grid { grid-template-columns: repeat(2, 1fr); }
  .meaning-band { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .ipv6-grid, .features-row, .contact-layout, .footer-grid, .stat-strip {
    grid-template-columns: 1fr;
  }
  .plans-grid { grid-template-columns: 1fr; }
  .hero-content { max-width: none; }
}