/* OTTO Envolve: aged gold on charcoal, the launcher's palette */
:root {
  --bg: #11100e;
  --bg-deep: #0a0908;
  --panel: #18150f;
  --panel-hover: #211c13;
  --text: #eee1bd;
  --text-soft: #c9bb98;
  --muted: #aa9b77;
  --gold: #e4cb7a;
  --gold-deep: #b58b35;
  --bronze: #705023;
  --border: #3a2c16;
  --glow: rgba(228, 203, 122, 0.18);
  --display: "Cinzel", "Times New Roman", serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --container: 1180px;
  --radius: 10px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1rem/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.15; margin: 0 0 .6em; letter-spacing: .01em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
h3 { font-size: 1.2rem; color: var(--gold); }
p { margin: 0 0 1em; color: var(--text-soft); }
.accent { color: var(--gold); display: block; }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.narrow { max-width: 800px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--gold); color: var(--bg); padding: 8px 14px; border-radius: 6px; }

.eyebrow {
  font: 600 .78rem/1 var(--body);
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 1.1rem;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--gold-deep); }

/* Buttons */
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.6rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 26px;
  font: 600 .95rem/1 var(--body);
  color: #1a140a;
  background: linear-gradient(180deg, #f0d98e, var(--gold) 45%, var(--gold-deep));
  border: 1px solid #f3e0a0;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 0 0 1px rgba(0,0,0,.4), 0 6px 24px var(--glow);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.07); box-shadow: 0 0 0 1px rgba(0,0,0,.4), 0 10px 32px rgba(228,203,122,.3); }
.btn:focus-visible, .nav a:focus-visible, summary:focus-visible, .menu-toggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.btn-ghost { background: transparent; color: var(--gold); border-color: var(--bronze); box-shadow: none; }
.btn-ghost:hover { background: var(--panel-hover); box-shadow: none; }
.btn-small { padding: 9px 16px; font-size: .85rem; }
.btn[aria-disabled="true"] { filter: grayscale(.6) brightness(.75); cursor: default; pointer-events: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(17, 16, 14, .86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; text-decoration: none; color: var(--text); font: 700 1.15rem/1 var(--display); letter-spacing: .06em; }
.brand em { font-style: normal; color: var(--gold); font-weight: 500; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.btn) { color: var(--text-soft); text-decoration: none; font-size: .93rem; }
.nav a:not(.btn):hover { color: var(--gold); }
.header-tools { display: flex; align-items: center; gap: 12px; order: 2; margin-left: 24px; }
.lang-switch { display: inline-flex; gap: 6px; }
.lang-switch button {
  display: grid; place-items: center; padding: 3px;
  background: none; border: 1px solid transparent; border-radius: 5px; cursor: pointer;
  opacity: .45; filter: grayscale(.5); transition: opacity .15s, filter .15s, border-color .15s;
}
.lang-switch img { display: block; width: 24px; height: 16px; border-radius: 2px; box-shadow: 0 0 0 1px rgba(0,0,0,.5); }
.lang-switch button[aria-pressed="true"] { opacity: 1; filter: none; border-color: var(--gold); }
.lang-switch button:hover { opacity: 1; filter: none; }
.lang-switch button:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.nav { margin-left: auto; }
.menu-toggle { display: none; background: none; border: 1px solid var(--bronze); color: var(--gold); border-radius: 6px; padding: 8px 14px; font: 500 .9rem var(--body); cursor: pointer; }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(56px, 9vw, 110px) 0 clamp(64px, 9vw, 120px);
  background:
    radial-gradient(60% 70% at 72% 45%, rgba(228,203,122,.13), transparent 70%),
    radial-gradient(40% 50% at 10% 0%, rgba(112,80,35,.25), transparent 70%),
    var(--bg-deep);
  border-bottom: 1px solid var(--border);
}
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.lead { font-size: 1.12rem; max-width: 34em; }
.hero-art img { width: min(100%, 460px); margin-inline: auto; filter: drop-shadow(0 20px 60px rgba(228,203,122,.22)); animation: float 7s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-10px); } }

/* Sections */
.section { padding: clamp(64px, 9vw, 110px) 0; }
.section-alt { background: var(--bg-deep); border-block: 1px solid var(--border); }
.section-head { margin-bottom: 2.6rem; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card, .panel {
  background: linear-gradient(180deg, var(--panel), var(--bg));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  position: relative;
}
.card::before, .panel::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-deep), transparent);
}
.card:hover { border-color: var(--bronze); }
.num { font: 600 .85rem/1 var(--display); color: var(--gold-deep); letter-spacing: .1em; display: block; margin-bottom: 18px; }
.card p { margin: 0; }

.panel h3 + ul { margin-bottom: 1.6rem; }
.checks, .pending { list-style: none; padding: 0; margin: 0; }
.checks li, .pending li { padding: 6px 0 6px 28px; position: relative; color: var(--text-soft); }
.checks li::before { content: "✦"; position: absolute; left: 4px; color: var(--gold); }
.pending li::before { content: "◇"; position: absolute; left: 4px; color: var(--muted); }

.timeline { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.timeline li { border-top: 2px solid var(--border); padding-top: 22px; position: relative; }
.timeline li::before {
  content: ""; position: absolute; top: -7px; left: 0;
  width: 12px; height: 12px; transform: rotate(45deg);
  background: var(--bg); border: 2px solid var(--border);
}
.timeline li.done { border-color: var(--gold-deep); }
.timeline li.done::before { background: var(--gold-deep); border-color: var(--gold-deep); }
.timeline li.current { border-color: var(--gold); }
.timeline li.current::before { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 14px var(--gold); }
.timeline li:not(.done):not(.current) h3 { color: var(--text-soft); }
.timeline p { font-size: .95rem; }

.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding: 18px 0 18px 64px; border-bottom: 1px solid var(--border); color: var(--text-soft); }
.steps li:last-child { border-bottom: 0; }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: 14px;
  width: 42px; height: 42px; display: grid; place-items: center;
  font: 600 1.05rem/1 var(--display); color: var(--gold);
  border: 1px solid var(--bronze); border-radius: 50%;
}
.steps strong { color: var(--text); font-weight: 600; }
.fine { font-size: .88rem; color: var(--muted); margin-top: 1rem; }

/* Sign-up form */
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .92rem; color: var(--text); }
.field small { color: var(--muted); font-size: .8rem; }
.field input {
  width: 100%; padding: 12px 14px;
  font: 400 1rem var(--body); color: var(--text);
  background: var(--bg-deep); border: 1px solid var(--border); border-radius: 6px;
}
.field input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--glow); }
.field input:user-invalid { border-color: #c9694f; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: var(--text-soft); cursor: pointer; }
.check input { margin-top: 4px; accent-color: var(--gold); width: 16px; height: 16px; flex: none; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { width: 100%; }
.btn:disabled { filter: grayscale(.6) brightness(.75); cursor: wait; transform: none; }
.form-msg { margin: 0; min-height: 1.4em; font-size: .92rem; }
.form-msg[data-kind="error"] { color: #e8917a; }
.form-msg[data-kind="ok"] { color: #9fd99a; }
.server-state { font-size: .9rem; display: flex; align-items: center; gap: 10px; margin-top: 1.4rem; }
.server-state::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }
.server-state[data-state="online"]::before { background: #6fd46a; box-shadow: 0 0 10px #6fd46a; }
.server-state[data-state="offline"]::before { background: #d4776a; }

.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative;
  font: 500 1.05rem/1.4 var(--body); color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 16px; font-size: 1.5rem; color: var(--gold); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-bottom: 18px; margin: 0; }

.cta {
  text-align: center; padding: clamp(64px, 9vw, 110px) 0;
  background: radial-gradient(50% 80% at 50% 100%, rgba(228,203,122,.12), transparent 70%), var(--bg);
}
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta img { width: min(100%, 380px); margin-bottom: 18px; }
.cta .actions { justify-content: center; margin-top: .4rem; }

/* Footer */
.site-footer { background: var(--bg-deep); border-top: 1px solid var(--border); padding: 48px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 26px; align-items: flex-start; }
.footer-links a { color: var(--text-soft); text-decoration: none; font-size: .92rem; }
.footer-links a:hover { color: var(--gold); }
.legal { margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--border); }
.legal p { font-size: .8rem; color: var(--muted); margin-bottom: .5em; }

@media (max-width: 900px) {
  .hero-inner, .split { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .hero-art img { width: min(70%, 320px); }
  .cards { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 36px; }
}
@media (max-width: 760px) {
  .menu-toggle { display: block; }
  .header-tools { margin-left: auto; }
  .nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-deep); border-bottom: 1px solid var(--border); padding: 8px 16px 16px;
  }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav .btn { margin-top: 14px; }
  .timeline { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-art img { animation: none; }
}