/* ============================================================
   Devoryx — design system & layout
   ============================================================ */

:root {
  /* Palette */
  --bg: #05060a;
  --bg-soft: #0a0c14;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-glow: rgba(34, 211, 238, 0.35);

  --text: #eaf0ff;
  --text-soft: #9aa6c7;
  --text-dim: #66708f;

  --cyan: #22d3ee;
  --violet: #7c3aed;
  --blue: #4f7cff;

  --glow-cyan: rgba(34, 211, 238, 0.45);
  --glow-violet: rgba(124, 58, 237, 0.4);

  --maxw: 1180px;
  --radius: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
  min-height: 100vh;
}

/* Ambient radial glows behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(79, 124, 255, 0.16), transparent 70%),
    radial-gradient(45% 40% at 85% 20%, rgba(124, 58, 237, 0.14), transparent 70%),
    radial-gradient(50% 50% at 10% 80%, rgba(34, 211, 238, 0.12), transparent 70%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

/* ---------- Background layers ---------- */
#particles,
#hero-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}
#hero-canvas { z-index: -1; opacity: 0.85; }

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  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: 60px 60px;
  mask-image: radial-gradient(80% 60% at 50% 30%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(80% 60% at 50% 30%, #000 0%, transparent 80%);
}

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 56px);
  transition: background .4s var(--ease), backdrop-filter .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5, 6, 10, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { color: var(--cyan); display: inline-flex; filter: drop-shadow(0 0 6px var(--glow-cyan)); }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.22em;
  font-size: 0.95rem;
}

.nav-links { display: flex; gap: clamp(14px, 2.4vw, 34px); }
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-soft);
  position: relative;
  transition: color .25s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -5px;
  width: 0; height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--glow-cyan);
  transition: width .3s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

/* ---------- Layout helpers ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(80px, 12vh, 150px) clamp(20px, 5vw, 40px);
}

.section-head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 70px); }
.section-eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.74rem;
  color: var(--cyan);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.section-lead { color: var(--text-soft); margin-top: 16px; font-size: clamp(1rem, 1.5vw, 1.12rem); }

.gradient-text {
  background: linear-gradient(100deg, var(--cyan), var(--blue) 45%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 clamp(20px, 5vw, 40px);
}
.hero-inner { max-width: 920px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.82rem;
  color: var(--text-soft);
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--surface);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 28px;
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px 2px var(--glow-cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  text-shadow: 0 0 60px rgba(79, 124, 255, 0.25);
}
.hero-title .reveal-line { display: block; }

.hero-sub {
  margin: 26px auto 0;
  max-width: 620px;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

.hero-cta {
  margin-top: 38px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: 100px;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
  cursor: pointer;
}
.btn svg { transition: transform .25s var(--ease); }
.btn-primary {
  color: #04121a;
  background: linear-gradient(100deg, var(--cyan), var(--blue));
  box-shadow: 0 0 0 1px rgba(34,211,238,0.4), 0 10px 40px -10px var(--glow-cyan);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(34,211,238,0.6), 0 16px 50px -8px var(--glow-cyan); }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-ghost {
  color: var(--text);
  border-color: var(--border);
  background: var(--surface);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--border-glow); transform: translateY(-2px); }

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
}
.mouse {
  width: 24px; height: 38px;
  border: 2px solid var(--text-dim);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}
.wheel {
  width: 4px; height: 7px;
  background: var(--cyan);
  border-radius: 4px;
  box-shadow: 0 0 8px var(--glow-cyan);
  animation: wheel 1.6s infinite;
}
@keyframes wheel { 0% { opacity: 0; transform: translateY(-4px); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(10px); } }

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.card {
  position: relative;
  padding: 30px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 100% at 50% 0%, rgba(34,211,238,0.1), transparent 60%);
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  background: var(--surface-2);
}
.card:hover::before { opacity: 1; }
.card-icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 14px;
  color: var(--cyan);
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.25);
  margin-bottom: 20px;
  box-shadow: inset 0 0 20px rgba(34,211,238,0.08);
}
.card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.18rem;
  margin-bottom: 10px;
}
.card p { color: var(--text-soft); font-size: 0.96rem; }

/* ---------- Timeline ---------- */
.timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 26px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform .35s var(--ease), border-color .35s var(--ease);
}
.step:hover { transform: translateY(-5px); border-color: var(--border-glow); }
.step-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block;
  margin-bottom: 12px;
}
.step h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.08rem; margin-bottom: 7px; }
.step p { color: var(--text-soft); font-size: 0.9rem; }

/* ---------- Marquee ---------- */
.marquee {
  position: relative;
  overflow: hidden;
  margin: 10px 0 60px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee-track span {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1rem, 2vw, 1.4rem);
  color: var(--text-dim);
  white-space: nowrap;
  transition: color .3s var(--ease);
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span:hover { color: var(--cyan); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.stat {
  text-align: center;
  padding: 34px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}
.stat-num, .stat-suffix {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  background: linear-gradient(120deg, var(--cyan), var(--blue));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat p { color: var(--text-soft); font-size: 0.92rem; margin-top: 8px; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 6vw, 70px);
  align-items: start;
}
.about-body p { color: var(--text-soft); font-size: clamp(1rem, 1.5vw, 1.1rem); }
.about-body p + p { margin-top: 18px; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(5, 6, 10, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px clamp(20px, 5vw, 40px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}
.footer-tag { color: var(--text-soft); font-size: 0.95rem; }
.footer-copy { color: var(--text-dim); font-size: 0.85rem; }

/* ---------- Reveal animations ---------- */
.reveal, .reveal-line {
  opacity: 0;
  transform: translateY(24px);
}
.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav-links { gap: 14px; font-size: 0.82rem; }
  .nav-links a:nth-child(3) { display: none; }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .nav { padding: 14px 18px; }
  .brand-name { font-size: 0.85rem; letter-spacing: 0.16em; }
  .nav-links a:nth-child(4) { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal-line { opacity: 1; transform: none; }
  /* Backgrounds stay visible (rendered static by JS) so the page is never blank. */
}