/* yus.studio · main site tokens + layout */
:root {
  --bg: #ffffff;
  --ink: #0c0f11;
  --muted: #5c6570;
  --line: #e8eaed;
  --surface: #f7f7f8;
  --accent: #e91e5c;
  --accent-hot: #ff2d6a;
  --focus: #1858e0;
  --radius: 12px;
  --gap: 14px;
  --max: 1080px;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

:root[data-theme="dark"] {
  --bg: #0c0f11;
  --ink: #f2f3f4;
  --muted: #9aa1ab;
  --line: #24272b;
  --surface: #17191c;
  --accent: #ff3b6b;
  --accent-hot: #ff7896;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px 96px;
}

/* —— nav —— */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
}
.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.03em;
}
.brand span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-links a {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
}
.nav-links a:hover,
.nav-links a.is-active {
  color: var(--ink);
  background: var(--surface);
}
.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  display: grid;
  place-items: center;
}
.icon-btn:hover { border-color: var(--accent); }
.icon-btn:focus-visible,
.btn:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* —— type —— */
.eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}
h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0;
  text-wrap: balance;
}
h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.15;
}
.lede {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: clamp(15px, 2.2vw, 18px);
  max-width: 36rem;
  line-height: 1.55;
}

/* —— buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  border-radius: 999px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { border-color: var(--accent); }
.btn-signal {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-signal:hover { filter: brightness(1.05); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* —— hero —— */
.hero {
  padding: 12px 0 48px;
  display: grid;
  gap: 28px;
}
@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: end;
    gap: 40px;
    padding-bottom: 64px;
  }
}
.hero-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  min-height: 220px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
}
.hero-panel::before {
  content: "";
  position: absolute;
  inset: auto -20% -40% 20%;
  height: 70%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%);
  pointer-events: none;
}
.hero-panel .tag {
  position: relative;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  z-index: 1;
}
.hero-panel .big {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 28px);
  letter-spacing: -0.02em;
  margin-top: 8px;
}

/* —— doors —— */
.section { padding: 28px 0 8px; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.doors {
  display: grid;
  gap: var(--gap);
}
@media (min-width: 800px) {
  .doors { grid-template-columns: repeat(3, 1fr); }
}
.door {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  min-height: 100%;
  position: relative;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.15s ease;
}
.door:hover,
.door:focus-visible {
  border-color: var(--accent);
  box-shadow:
    0 0 0 1px var(--accent),
    0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
  transform: translateY(-2px);
  outline: none;
}

/* REC tally — recording screen cue when door is live */
.door-rec {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0;
  transform: translateY(-2px);
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.door-rec-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent);
  flex-shrink: 0;
}
.door:hover .door-rec,
.door:focus-visible .door-rec {
  opacity: 1;
  transform: translateY(0);
}
.door:hover .door-rec-dot,
.door:focus-visible .door-rec-dot {
  animation: rec-blink 1s ease-in-out infinite;
}
@keyframes rec-blink {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 50%, transparent);
  }
  50% {
    opacity: 0.25;
    box-shadow: 0 0 0 6px transparent;
  }
}
@media (prefers-reduced-motion: reduce) {
  .door:hover .door-rec-dot,
  .door:focus-visible .door-rec-dot {
    animation: none;
    opacity: 1;
  }
}

.door-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  padding-right: 48px; /* room for REC */
}
.door h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.15;
}
.door p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  flex: 1;
}
.door .door-cta {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.door .door-cta::after { content: "→"; color: var(--accent); }

/* —— trust —— */
.trust {
  display: grid;
  gap: var(--gap);
  margin-top: 8px;
}
@media (min-width: 700px) {
  .trust { grid-template-columns: repeat(3, 1fr); }
}
.trust-card {
  padding: 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
}
.trust-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  margin: 0 0 8px;
  font-weight: 800;
}
.trust-card p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

/* —— proof chips —— */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.chip {
  font-size: 12px;
  font-weight: 700;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--bg);
}

/* —— page blocks —— */
.prose {
  max-width: 40rem;
  color: var(--muted);
  font-size: 15px;
}
.prose strong { color: var(--ink); font-weight: 700; }
.signal-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 10px;
}
.signal-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 14px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}
.signal-list .n {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--accent);
  font-size: 14px;
}
.signal-list .t { font-weight: 700; color: var(--ink); font-size: 14px; }
.signal-list .d { font-size: 13px; color: var(--muted); margin-top: 2px; }

.range {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  margin-top: 18px;
}
.range div {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 12px;
  background: var(--surface);
  font-size: 13px;
  font-weight: 700;
}

/* —— forms —— */
.form {
  margin-top: 28px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  background: var(--surface);
  max-width: 520px;
}
.form h3 {
  font-family: var(--font-display);
  margin: 0 0 6px;
  font-size: 18px;
}
.form .hint {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--muted);
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.field label {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.field input,
.field textarea,
.field select {
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  width: 100%;
}
.field textarea { min-height: 100px; resize: vertical; }
.form-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
}

/* —— footer —— */
.foot {
  margin-top: 64px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}
.foot a { font-weight: 700; color: var(--ink); }
.foot a:hover { color: var(--accent); }

.globe-wrap {
  margin: 28px 0 8px;
  max-width: 440px;
}
.globe-close {
  margin: 28px 0 8px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 4vw, 32px);
  letter-spacing: -0.02em;
}
.globe-close em {
  font-style: italic;
  font-weight: 600;
}
.globe-close .dot { color: var(--accent); }