/* ============================================================
   Creonixquill — dark, high-tech, restrained
   Single confident accent, functional monospace data, no
   decorative gradients. Rewritten clean (v3).
   ============================================================ */

:root {
  --bg: #0B0D10;
  --surface: #14171C;
  --surface-2: #1B1F26;
  --ink: #F2F3F5;
  --ink-soft: #ADB3BC;
  --muted: #6E7580;
  --line: #262B33;
  --line-strong: #3A414D;
  --accent: #2FB8AE;
  --accent-soft: rgba(47,184,174,0.12);
  --accent-warm: #C9A876;
  --max-width: 1160px;

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.1;
  margin: 0 0 0.5em;
  font-weight: 500;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.6rem, 5.2vw, 4.1rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; color: var(--ink-soft); max-width: 62ch; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 28px; }
.mono { font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.01em; color: var(--muted); }

/* ---------- Header / nav ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(11,13,16,0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.wordmark {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
  display: flex; align-items: center; gap: 10px;
  font-weight: 500;
}
.wordmark:hover { text-decoration: none; }
.logo-badge { width: 30px; height: 30px; display: block; }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { color: var(--ink-soft); font-size: 0.92rem; }
.main-nav a:hover { color: var(--accent); text-decoration: none; }
.main-nav a.current { color: var(--ink); position: relative; }
.main-nav a.current::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -24px;
  height: 2px; background: var(--accent);
}

.nav-dropdown { position: relative; }
.dropdown-panel {
  display: none;
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 8px;
  min-width: 240px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  z-index: 20;
  border-radius: 8px;
}
.dropdown-panel a { display: block; padding: 9px 12px; font-size: 0.88rem; color: var(--ink-soft); border-radius: 4px; }
.dropdown-panel a:hover { color: var(--accent); background: var(--surface-2); text-decoration: none; }
@media (min-width: 781px) {
  .nav-dropdown:hover .dropdown-panel, .nav-dropdown:focus-within .dropdown-panel { display: block; }
}
@media (max-width: 780px) { .dropdown-panel { display: none !important; } }

.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--line-strong); border-radius: 4px;
  padding: 8px 12px; font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--ink-soft); cursor: pointer;
}
@media (max-width: 780px) {
  .main-nav {
    display: none;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start;
    padding: 8px 28px 20px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 0; width: 100%; }
  .main-nav a.current::after { display: none; }
  .nav-toggle { display: inline-block; }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 4px;
  font-size: 0.93rem; font-weight: 500;
  border: 1px solid transparent; font-family: var(--font-body);
}
.btn-primary {
  background: var(--accent); color: #06110F;
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn-primary:hover { background: #3FD1C6; transform: translateY(-1px); text-decoration: none; }

.btn-outline {
  background: transparent; border-color: var(--line-strong); color: var(--ink);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 80px;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(560px circle at var(--mx, 50%) var(--my, 25%), var(--accent-soft), transparent 65%);
  transition: background-position 0.2s ease;
  pointer-events: none;
}
.hero .container, .hero .hero-grid { position: relative; z-index: 1; }

.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: center; }
.hero h1 { max-width: 15ch; }
.hero .lede { font-size: 1.1rem; max-width: 52ch; margin-top: 20px; }

.eyebrow-line {
  color: var(--accent); font-family: var(--font-mono); font-size: 0.85rem;
  margin-bottom: 18px; display: flex; align-items: center; gap: 8px;
}
.eyebrow-line::before { content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-diagram { display: none; }
}

.hero-diagram circle:not([data-center]) { animation: node-pulse 2.6s ease-in-out infinite; }
.hero-diagram circle:nth-of-type(2) { animation-delay: 0s; }
.hero-diagram circle:nth-of-type(3) { animation-delay: 0.3s; }
.hero-diagram circle:nth-of-type(4) { animation-delay: 0.6s; }
.hero-diagram circle:nth-of-type(5) { animation-delay: 0.9s; }
.hero-diagram circle:nth-of-type(6) { animation-delay: 1.2s; }
.hero-diagram circle:nth-of-type(7) { animation-delay: 1.5s; }
@keyframes node-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }

/* ---------- Sections ---------- */

section { padding: 68px 0; }
section.tight { padding: 40px 0; }
.section-head { margin-bottom: 44px; max-width: 62ch; }
.section-head p { margin-top: 10px; }
.divider { border: none; border-top: 1px solid var(--line); margin: 0; }

/* ---------- Cards (tracks, tiers, subjects, team) ---------- */

.tracks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tracks.tracks-6 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .tracks, .tracks.tracks-6 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .tracks, .tracks.tracks-6 { grid-template-columns: 1fr; } }

.track, .tier, .subject-card, .team-card, .faq-item, .stat, .tldr-box, .carousel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.track, .subject-card, .team-card {
  padding: 30px;
  position: relative;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.track::before, .subject-card::before, .team-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent); opacity: 0; transition: opacity 0.15s ease;
  border-radius: 10px 10px 0 0;
}
.track:hover, .subject-card:hover, .team-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}
.track:hover::before, .subject-card:hover::before, .team-card:hover::before { opacity: 1; }

.track-icon {
  width: 42px; height: 42px; border-radius: 8px;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.track-icon svg { width: 22px; height: 22px; stroke: var(--accent); }

.track .index, .subject-card .code, .team-card .role-code {
  font-family: var(--font-mono); color: var(--accent); font-size: 0.8rem;
}
.track h3, .subject-card h3, .team-card h3 { margin: 14px 0 10px; }
.track a { display: inline-block; margin-top: 14px; font-size: 0.92rem; }

/* ---------- Process steps ---------- */

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.step { border-top: 2px solid var(--line-strong); padding-top: 16px; }
.step .num { font-family: var(--font-mono); color: var(--accent); font-size: 1rem; display: block; margin-bottom: 10px; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Reasons ---------- */

.reasons { display: grid; gap: 28px; grid-template-columns: repeat(3, 1fr); }
.reason h3 { margin-bottom: 8px; }
@media (max-width: 900px) { .reasons { grid-template-columns: 1fr; } }

/* ---------- Region chips ---------- */

.region-strip { display: flex; flex-wrap: wrap; gap: 12px; }
.region-chip {
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 8px 16px; font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-soft);
}

/* ---------- Pricing tiers ---------- */

.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tier { padding: 32px 28px; transition: border-color 0.15s ease, transform 0.15s ease; }
.tier:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.tier.featured { border-color: var(--accent); background: var(--surface-2); }
.tier .price { font-family: var(--font-display); font-size: 2rem; margin: 14px 0 4px; color: var(--ink); }
.tier .price span { font-size: 0.9rem; color: var(--muted); font-family: var(--font-body); }
.tier ul { padding-left: 18px; margin: 18px 0 24px; color: var(--ink-soft); }
.tier li { margin-bottom: 8px; }
@media (max-width: 900px) { .tiers { grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */

.cta-band { background: var(--surface-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cta-band h2, .cta-band p { color: var(--ink); }
.cta-band p { color: var(--ink-soft); }

/* ---------- Forms ---------- */

.form-grid { display: grid; gap: 20px; max-width: 560px; }
label { display: block; font-size: 0.88rem; color: var(--ink-soft); margin-bottom: 6px; font-family: var(--font-mono); }
input, textarea, select {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--line-strong); border-radius: 4px;
  background: var(--surface); font-family: var(--font-body);
  font-size: 1rem; color: var(--ink);
}
textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.84rem; color: var(--muted); margin-top: 4px; }

/* ---------- Footer ---------- */

.site-footer { border-top: 1px solid var(--line); padding: 48px 0 32px; margin-top: 40px; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 32px; }
.footer-grid nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-grid nav a { color: var(--ink-soft); font-size: 0.9rem; }
.footer-bottom {
  margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line);
  font-size: 0.84rem; color: var(--muted); font-family: var(--font-mono);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* ---------- Page hero (secondary pages) ---------- */

.page-hero {
  padding: 60px 0 50px;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 44px 44px;
}

/* ---------- Scroll reveal ---------- */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- Stats ---------- */

.stat-strip { display: flex; gap: 20px; flex-wrap: wrap; }
.stat { padding: 20px 24px; border-top: 2px solid var(--accent); min-width: 160px; flex: 1; }
.stat .num { font-family: var(--font-mono); font-size: 2rem; display: block; color: var(--ink); }
.stat .label { font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); }

/* ---------- Team grid ---------- */

.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .team-grid { grid-template-columns: 1fr; } }

/* ---------- Skill/tool marquee ---------- */

.marquee {
  overflow: hidden; padding: 18px 0;
  background: var(--surface);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.marquee-track { display: flex; gap: 48px; width: max-content; animation: marquee-scroll 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-soft);
  white-space: nowrap; display: flex; align-items: center; gap: 8px;
}
.marquee-item::before { content: ""; width: 5px; height: 5px; background: var(--accent); border-radius: 50%; }
@keyframes marquee-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Terminal-style quick-facts panel ---------- */

.tldr-box { padding: 20px 24px; }
.tldr-box .tldr-label {
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent);
  display: block; margin-bottom: 10px;
}
.tldr-box .tldr-label::before { content: "$ "; color: var(--muted); }
.tldr-box .tldr-label::after { content: "_"; margin-left: 2px; animation: blink 1s steps(1) infinite; }
.tldr-box p { margin: 0; font-size: 0.92rem; color: var(--ink-soft); max-width: none; font-family: var(--font-mono); line-height: 1.7; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- FAQ ---------- */

.faq-item { padding: 20px 24px; margin-bottom: 12px; }
.faq-item h3 { font-size: 1.02rem; margin-bottom: 8px; }
.faq-item p { margin: 0; }

/* ---------- Carousel ---------- */

.carousel { overflow: hidden; }
.carousel-track { display: flex; transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1); }
.carousel-slide { min-width: 100%; padding: 56px 64px; display: flex; align-items: center; gap: 40px; }
.carousel-slide .slide-icon {
  width: 72px; height: 72px; border-radius: 12px;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.carousel-slide .slide-icon svg { width: 36px; height: 36px; stroke: var(--accent); }
.carousel-slide .slide-index { font-family: var(--font-mono); color: var(--accent); font-size: 0.85rem; margin-bottom: 8px; display: block; }
.carousel-slide h3 { font-size: 1.4rem; margin-bottom: 10px; }
.carousel-slide p { margin: 0; max-width: 52ch; }

.carousel-controls { display: flex; align-items: center; justify-content: space-between; padding: 0 20px 20px; }
.carousel-dots { display: flex; gap: 8px; }
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong);
  border: none; cursor: pointer; transition: background 0.2s ease, transform 0.2s ease; padding: 0;
}
.carousel-dot.active { background: var(--accent); transform: scale(1.3); }
.carousel-arrows { display: flex; gap: 8px; }
.carousel-arrow {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: transparent;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: border-color 0.15s ease, color 0.15s ease; color: var(--ink);
}
.carousel-arrow:hover { border-color: var(--accent); color: var(--accent); }
.carousel-arrow svg { width: 16px; height: 16px; }
@media (max-width: 700px) { .carousel-slide { flex-direction: column; align-items: flex-start; padding: 36px 28px; gap: 20px; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-diagram circle { animation: none; }
}