/* ---------- Base / Theme Tokens ---------- */
:root {
  --bg: #f7f7fa;
  --surface: #ffffff;
  --surface-2: rgba(255,255,255,0.72);
  --text: #111114;
  --muted: #4a4a52;
  --muted-2: #6b6b76;
  --line: #e6e6ee;

  --accent: #6e4eff;
  --accent-2: #5b3fff;
  --accent-glow: rgba(110, 78, 255, 0.12);

  --shadow: 0 14px 40px rgba(0,0,0,0.08);
  --radius: 18px;

  --container: 1120px;
  --gap: 22px;

  --ease: cubic-bezier(.2,.8,.2,1);
}

html[data-theme="dark"] {
  --bg: #0e0f14;
  --surface: #141622;
  --surface-2: rgba(20,22,34,0.72);
  --text: #f3f4ff;
  --muted: #c4c6dd;
  --muted-2: #9ca0be;
  --line: rgba(255,255,255,0.10);

  --accent: #8a73ff;
  --accent-2: #a090ff;
  --accent-glow: rgba(138, 115, 255, 0.14);

  --shadow: 0 18px 60px rgba(0,0,0,0.55);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Outfit, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

img { max-width: 100%; display: block; }

/* ---------- Layout ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 22px;
}

.section {
  padding: 120px 0;
}

.section-head {
  max-width: 820px;
  margin-bottom: 34px;
}
.section-head h2 {
  font-size: 40px;
  line-height: 1.1;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.section-foot {
  margin-top: 28px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg), transparent 35%);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 8px var(--accent-glow);
}

.nav {
  display: flex;
  gap: 18px;
}
.nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  padding: 8px 10px;
  border-radius: 10px;
  transition: background 180ms var(--ease), color 180ms var(--ease);
}
.nav a:hover {
  background: color-mix(in srgb, var(--surface), transparent 25%);
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-only { display: none; }

/* Mobile menu now behaves like a dropdown panel (not full width) */
.mobile-menu {
  position: absolute;
  top: 72px;
  right: 22px;
  left: auto;

  width: min(360px, calc(100vw - 44px));
  padding: 12px;
  border-radius: 16px;

  background: color-mix(in srgb, var(--surface), transparent 6%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);

  display: grid;
  gap: 8px;
}

.mobile-menu a {
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  text-decoration: none;
  background: color-mix(in srgb, var(--surface), transparent 14%);
  border: 1px solid var(--line);
  transition: border-color 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}
.mobile-menu a:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent), var(--line) 70%);
  transform: translateY(-1px);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  font-weight: 600;
  border-radius: 999px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  text-decoration: none;
  cursor: pointer;

  transition: transform 160ms var(--ease), background 160ms var(--ease), border-color 160ms var(--ease);
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}
.btn-primary:hover { background: var(--accent-2); }

.btn-secondary {
  background: transparent;
  color: var(--text);
}
.btn-secondary:hover {
  border-color: color-mix(in srgb, var(--accent), var(--line) 70%);
  box-shadow: 0 0 0 8px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
}
.btn-ghost:hover {
  background: color-mix(in srgb, var(--surface), transparent 35%);
}

.icon-btn {
  width: 44px;
  height: 44px;
  padding: 0;
}
.icon {
  font-size: 18px;
}

/* Visible focus styles */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent-glow);
  outline-offset: 2px;
  border-radius: 12px;
}

/* ---------- Hero ---------- */
.hero {
  padding: 92px 0 40px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 36px;
  align-items: start;
}

.kicker {
  margin: 0 0 14px;
  color: var(--muted-2);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

.headline {
  margin: 0 0 16px;
  font-size: 64px;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.subhead {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 18px;
  max-width: 58ch;
}

.proof {
  margin: 0 0 22px;
  color: var(--muted-2);
  font-size: 14px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.accent-underline {
  position: relative;
  display: inline-block;
}
.accent-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 6px;
  width: 100%;
  height: 10px;
  background: var(--accent-glow);
  border-radius: 999px;
  transform: scaleX(0.3);
  transform-origin: left;
  animation: underlineIn 900ms var(--ease) 120ms forwards;
}

@keyframes underlineIn {
  to { transform: scaleX(1); }
}

/* Hero aside “subtle edge” */
.hero-aside {
  padding: 18px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface), transparent 10%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.tile {
  height: 36px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 30% 25%, var(--accent-glow), transparent 60%);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}
.tile:nth-child(3n) {
  background: radial-gradient(circle at 70% 30%, var(--accent-glow), transparent 62%);
}
.tile:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent), var(--line) 70%);
}

.aside-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* ---------- Work Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}

.card {
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface), transparent 4%);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent), var(--line) 70%);
}

.card-media {
  height: 200px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 20% 20%, var(--accent-glow), transparent 55%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface), transparent 0%), color-mix(in srgb, var(--surface), transparent 12%));
}
.media-1 { background: radial-gradient(circle at 30% 30%, var(--accent-glow), transparent 60%), linear-gradient(180deg, rgba(255,255,255,0.0), rgba(255,255,255,0.06)); }
.media-2 { background: radial-gradient(circle at 70% 35%, var(--accent-glow), transparent 60%), linear-gradient(180deg, rgba(255,255,255,0.0), rgba(255,255,255,0.06)); }
.media-3 { background: radial-gradient(circle at 40% 30%, var(--accent-glow), transparent 62%), linear-gradient(180deg, rgba(255,255,255,0.0), rgba(255,255,255,0.06)); }
.media-4 { background: radial-gradient(circle at 60% 30%, var(--accent-glow), transparent 62%), linear-gradient(180deg, rgba(255,255,255,0.0), rgba(255,255,255,0.06)); }

.card-body {
  padding: 18px 18px 16px;
}
.card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.card-top h3 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.arrow {
  color: var(--muted-2);
  font-size: 18px;
}
.arrow.muted { opacity: 0.35; }

.card p {
  margin: 10px 0 12px;
  color: var(--muted);
  font-size: 15px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  font-size: 12px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface), transparent 20%);
}

/* ---------- Systems Grid ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}
.info-card {
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface), transparent 6%);
  position: relative;
  overflow: hidden;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}
.info-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, var(--accent-glow), transparent 45%);
  opacity: 0.9;
  pointer-events: none;
}
.info-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent), var(--line) 70%);
}
.info-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.info-card p { margin: 0; color: var(--muted); }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}
.step {
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface), transparent 6%);
}
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--accent-glow);
  border: 1px solid color-mix(in srgb, var(--accent), var(--line) 70%);
  display: grid;
  place-items: center;
  font-weight: 700;
  margin-bottom: 12px;
}
.step h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.step p { margin: 0; color: var(--muted); }

/* ---------- About ---------- */
.about-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 22px;
  align-items: stretch;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface), transparent 6%);
  box-shadow: var(--shadow);
}
.about-photo {
  border-radius: 16px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 35% 25%, var(--accent-glow), transparent 55%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface), transparent 0%), color-mix(in srgb, var(--surface), transparent 12%));
}
.about-body h2 { margin: 0 0 10px; }
.about-body p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 16px;
}
.small { font-size: 13px; color: var(--muted-2); }
.muted { color: var(--muted-2); }

/* ---------- Contact ---------- */
.contact-card {
  padding: 34px;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 20% 30%, var(--accent-glow), transparent 60%),
    color-mix(in srgb, var(--surface), transparent 2%);
  box-shadow: var(--shadow);
}
.contact-card h2 {
  margin: 0 0 10px;
  font-size: 34px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.contact-card p {
  margin: 0 0 18px;
  color: var(--muted);
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 36px 0;
  border-top: 1px solid var(--line);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.footer-links {
  display: flex;
  gap: 14px;
}
.footer-links a {
  color: var(--muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--text); }

.text-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.text-link:hover { color: var(--accent); }

/* ---------- Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Cursor Glow ---------- */
.cursor-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(600px circle at var(--mx, 50%) var(--my, 20%), var(--accent-glow), transparent 60%);
  transition: background 80ms linear;
  opacity: 0.9;
}

main, header, footer {
  position: relative;
  z-index: 1;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .headline { font-size: 48px; }
  .cards { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .about-card { grid-template-columns: 1fr; }
  .about-photo { min-height: 220px; }
  .nav { display: none; }
  .mobile-only { display: inline-flex; }
}

/* Reduce motion support */
@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; transform: none; }
  .accent-underline::after { animation: none; transform: scaleX(1); }
  .card, .info-card, .tile, .mobile-menu a { transition: none; }
  .cursor-glow { display: none; }
}