/* Ithynx — shared styles. Motion tokens via CSS vars; reduced-motion respected. */

:root {
  --bg: #060B16;
  --bg-card-a: #142033;
  --bg-card-b: #0E1525;
  --text: #E2E8F0;
  --text-bright: #F0F6FC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --accent: #00D4FF;
  --accent-2: #6FE5B8;
  --accent-3: #4DB8B8;
  --border: rgba(0,212,255,0.08);
  --border-strong: rgba(0,212,255,0.2);

  /* Motion tokens */
  --dur-fast: 0.18s;
  --dur-normal: 0.35s;
  --dur-slow: 0.6s;
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-sharp: cubic-bezier(0.4, 0, 0.2, 1);
  --dist-md: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: rgba(0,212,255,0.35); color: #fff; }
a { color: inherit; }
img { display: block; max-width: 100%; }

/* keyframes — all use transform/opacity for GPU compositing */
@keyframes orbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(40px,-30px) scale(1.08); }
  66% { transform: translate(-30px,25px) scale(0.95); }
}
@keyframes orbFloat2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-50px,40px) scale(1.12); }
}
@keyframes gridPan {
  from { background-position: 0 0; }
  to { background-position: 60px 60px; }
}
@keyframes shimmer {
  to { background-position: 200% center; }
}
@keyframes pulseDot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

/* ambient orbs background */
.ambient {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
}
.orb { position: absolute; border-radius: 50%; filter: blur(55px); }
.orb-1 {
  top: -200px; left: -150px; width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,212,255,0.30), transparent 65%);
  animation: orbFloat 20s ease-in-out infinite;
}
.orb-2 {
  top: 6%; right: -200px; width: 650px; height: 650px;
  background: radial-gradient(circle, rgba(111,229,184,0.26), transparent 65%);
  animation: orbFloat2 24s ease-in-out infinite;
}
.orb-3 {
  top: 42%; left: 32%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(77,184,184,0.22), transparent 65%);
  animation: orbFloat 28s ease-in-out infinite;
}
.grid-pan {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPan 14s linear infinite;
  mask-image: radial-gradient(ellipse 80% 55% at 50% 28%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 55% at 50% 28%, black, transparent 80%);
}
.fade-bottom {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 100% 100% at 50% 0%, transparent 42%, var(--bg) 95%);
}

/* nav */
.page { position: relative; z-index: 1; min-height: 100vh; }
.nav {
  position: relative; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1240px; margin: 0 auto; padding: 24px 32px;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand img { width: 38px; height: 38px; object-fit: contain; filter: drop-shadow(0 4px 16px rgba(0,212,255,0.5)); }
.brand span { font-weight: 700; font-size: 21px; letter-spacing: -0.02em; color: #fff; }
.nav-pill {
  display: flex; align-items: center; gap: 6px;
  padding: 6px; border-radius: 999px;
  background: rgba(20,32,51,0.6);
  border: 1px solid rgba(0,212,255,0.14);
  backdrop-filter: blur(16px);
}
.nav-pill a {
  text-decoration: none; color: rgba(255,255,255,0.72);
  font-size: 14px; font-weight: 500;
  padding: 8px 17px; border-radius: 999px;
  transition: color var(--dur-fast) var(--ease-smooth), background var(--dur-fast) var(--ease-smooth);
}
.nav-pill a:hover { color: #fff; background: rgba(0,212,255,0.08); }
.nav-pill a.active { color: #fff; background: rgba(0,212,255,0.16); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 600;
  padding: 14px 28px; border-radius: 999px;
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease-smooth), box-shadow var(--dur-fast) var(--ease-smooth);
  will-change: transform;
}
.btn-primary {
  color: #06121E;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 36px rgba(0,212,255,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 44px rgba(0,212,255,0.45); }
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-ghost {
  color: var(--text);
  background: rgba(0,212,255,0.06);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover { background: rgba(0,212,255,0.12); border-color: rgba(0,212,255,0.4); transform: translateY(-2px); }

/* sections */
.section { position: relative; z-index: 10; max-width: 1240px; margin: 0 auto; padding: 60px 32px; }
.section-narrow { max-width: 1000px; }
.section-tight { max-width: 880px; }
.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.h1 {
  font-weight: 900;
  font-size: clamp(44px, 7.5vw, 92px);
  line-height: 0.98; letter-spacing: -0.04em;
  color: var(--text-bright);
}
.h2 {
  font-weight: 800;
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.04; letter-spacing: -0.035em;
  color: var(--text-bright);
}
.h3 {
  font-weight: 700; font-size: 22px;
  letter-spacing: -0.015em; color: var(--text-bright);
}
.lede {
  font-size: 19px; line-height: 1.6;
  color: #B4C2D6; font-weight: 400;
}
.muted { color: var(--text-muted); font-size: 16px; line-height: 1.65; }
.gradient-text {
  background: linear-gradient(100deg, var(--accent), #0DCAF0 30%, var(--accent-3) 60%, var(--accent-2) 90%);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: shimmer 6s linear infinite;
}

/* cards */
.card {
  position: relative;
  padding: 28px 30px; border-radius: 20px;
  background: linear-gradient(145deg, var(--bg-card-a), var(--bg-card-b));
  border: 1px solid var(--border);
  transition: transform var(--dur-normal) var(--ease-smooth),
              border-color var(--dur-normal) var(--ease-smooth),
              box-shadow var(--dur-normal) var(--ease-smooth);
  will-change: transform;
  overflow: hidden;
}
.card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.25), transparent);
  opacity: 0; transition: opacity var(--dur-normal) var(--ease-smooth);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,212,255,0.4);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 30px rgba(0,212,255,0.1);
}
.card:hover::after { opacity: 1; }

/* flagship card — premium accent */
.card-flagship {
  border-color: rgba(111,229,184,0.35);
  background: linear-gradient(145deg, #15293D, #0E1A2A);
  box-shadow: 0 0 40px rgba(111,229,184,0.06);
}
.card-flagship::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(111,229,184,0.06), transparent 60%);
}
.card-flagship:hover {
  border-color: rgba(111,229,184,0.6);
  box-shadow: 0 28px 70px rgba(0,0,0,0.55), 0 0 40px rgba(111,229,184,0.18);
}
.tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12.5px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent);
  padding: 9px 18px 9px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(111,229,184,0.06));
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
}

/* founder photo treatment — compact square crop, face-biased */
.founder-photo {
  display: block;
  width: 160px;
  height: 160px;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 18px;
  margin: 0 0 22px;
  border: 1px solid rgba(0,212,255,0.2);
  box-shadow: 0 14px 36px rgba(0,0,0,0.45), 0 0 22px rgba(0,212,255,0.12);
  transition: transform var(--dur-normal) var(--ease-smooth), box-shadow var(--dur-normal) var(--ease-smooth);
}
.card:hover .founder-photo {
  transform: scale(1.03);
  box-shadow: 0 18px 44px rgba(0,0,0,0.5), 0 0 28px rgba(0,212,255,0.2);
}

/* section divider utility */
.section-divider {
  max-width: 1240px;
  margin: 20px auto;
  padding: 0 32px;
  height: 1px;
  position: relative;
}
.section-divider::after {
  content: ''; display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.18), transparent);
}
.tag .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 12px var(--accent-2);
  animation: pulseDot 2s ease-in-out infinite;
}

/* reveal animation — JS sets data-reveal then toggles .is-visible */
[data-reveal] {
  opacity: 0;
  transform: translateY(var(--dist-md));
  transition: opacity var(--dur-slow) var(--ease-smooth),
              transform var(--dur-slow) var(--ease-smooth);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* form */
.form-field {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 18px;
}
.form-field label {
  font-size: 13px; font-weight: 600;
  color: var(--text); letter-spacing: 0.02em;
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(6,11,22,0.5);
  border: 1px solid rgba(0,212,255,0.15);
  color: var(--text-bright);
  font-family: inherit; font-size: 15px;
  transition: border-color var(--dur-fast) var(--ease-smooth), background var(--dur-fast) var(--ease-smooth);
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: #475569; }
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: rgba(0,212,255,0.5);
  background: rgba(6,11,22,0.85);
}
.form-field textarea { min-height: 140px; resize: vertical; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 8px 14px; border-radius: 999px;
  background: rgba(6,11,22,0.5);
  border: 1px solid rgba(0,212,255,0.15);
  color: #CBD5E1; font-size: 13px; font-weight: 500;
  cursor: pointer; user-select: none;
  transition: all var(--dur-fast) var(--ease-smooth);
}
.chip:hover { border-color: rgba(0,212,255,0.4); color: #fff; }
.chip.is-on {
  background: linear-gradient(135deg, rgba(0,212,255,0.2), rgba(111,229,184,0.18));
  border-color: rgba(0,212,255,0.5); color: #fff;
}

/* footer */
.footer {
  position: relative; z-index: 10;
  max-width: 1240px; margin: 90px auto 0;
  padding: 48px 32px 40px;
  border-top: 1px solid rgba(0,212,255,0.1);
}
.footer-row {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 20px;
}
.footer-links { display: flex; gap: 26px; }
.footer-links a { text-decoration: none; color: var(--text-dim); font-size: 14.5px; }
.footer-links a:hover { color: #fff; }
.footer-copy { margin-top: 28px; font-size: 13px; color: #475569; }

/* placeholder marker — visible in dev so user replaces before deploying */
.fill-mark {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(255,189,89,0.12);
  border: 1px dashed rgba(255,189,89,0.4);
  color: #FFD699;
  font-size: 0.9em;
  font-style: italic;
}

/* 5-card grid — 3 on top row, 2 centered below */
.cards-5 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.cards-5 > * { grid-column: span 2; }
.cards-5 > :nth-child(4) { grid-column: 2 / span 2; }
.cards-5 > :nth-child(5) { grid-column: 4 / span 2; }

/* 4-card grid — even row of 4 on wide; gracefully wraps */
.cards-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

/* 3-card grid — even row of 3 */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

/* flagship card — slight accent border to differentiate */
.card-flagship {
  border-color: rgba(111,229,184,0.3);
  background: linear-gradient(145deg, #142536, #0E1A2A);
}

/* responsive */
@media (max-width: 1000px) {
  .cards-5 { grid-template-columns: repeat(2, 1fr); }
  .cards-5 > *, .cards-5 > :nth-child(4), .cards-5 > :nth-child(5) { grid-column: auto; }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .cards-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav-pill { display: none; }
  .section { padding: 50px 24px; }
}
@media (max-width: 560px) {
  .cards-5, .cards-4, .cards-3 { grid-template-columns: 1fr; }
}

/* reduced motion — turn off everything decorative, keep transitions snappy */
@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;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .orb-1, .orb-2, .orb-3, .grid-pan { animation: none; }
  .gradient-text { animation: none; }
  .tag .dot { animation: none; }
  .card:hover { transform: none; }
  .btn:hover { transform: none; }
}