/* ScreenFuture homepage — same design system as the admin app. */

:root {
  --page: #1B1922;
  --panel: #23212C;
  --card: #2A2836;
  --hover: #373444;
  --t1: #EAE8F0;
  --t2: #C6C2D4;
  --t3: #918CA3;
  --t4: #5C5870;
  --line: rgba(255,255,255,.09);
  --line-soft: rgba(255,255,255,.06);
  --line-strong: rgba(255,255,255,.14);
  --acc: #8C97DB;
  --acc2: #9BA6EC;
  --grad: linear-gradient(135deg, #8C97DB, #5568C4);
  --shadow: 0 14px 36px rgba(16,14,22,.55);
  --shadow-lg: 0 18px 44px rgba(16,14,22,.55);
  --mono: 'IBM Plex Mono', monospace;
  --sans: Archivo, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 800px at 85% -10%, rgba(140,151,219,.10), transparent 60%),
    radial-gradient(900px 700px at -10% 30%, rgba(85,104,196,.08), transparent 55%),
    var(--page);
  color: var(--t1);
  font: 400 15px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--acc2); text-decoration: none; }
.mono { font-family: var(--mono); }
.dim2 { color: var(--t4); }

/* ---------- Topbar ---------- */

.topbar-wrap { position: sticky; top: 0; z-index: 50; padding: 14px 20px 8px; background: linear-gradient(var(--page) 60%, transparent); }
.topbar {
  max-width: 1180px; margin: 0 auto; display: flex; align-items: center; gap: 20px;
  height: 54px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow); padding: 0 16px;
}
.brand { display: flex; align-items: center; gap: 9px; color: var(--t1); }
.brand-logo {
  height: 30px; display: block;
  /* The lockup is dark purple; lift it to near-white for the dark chrome. */
  filter: brightness(0) invert(.93);
}
.footer-logo { height: 22px; opacity: .55; filter: brightness(0) invert(.93); }
.nav { display: flex; gap: 4px; margin-left: 6px; }
.nav a { font: 500 13px var(--sans); color: var(--t2); padding: 7px 11px; border-radius: 9px; }
.nav a:hover { background: var(--hover); color: var(--t1); }
.top-right { margin-left: auto; display: flex; gap: 8px; align-items: center; }
@media (max-width: 760px) { .nav { display: none; } }

/* ---------- Buttons (shared look) ---------- */

.btn {
  font: 500 13px var(--sans); color: var(--t1); background: var(--card);
  border: 1px solid var(--line); border-radius: 9px; padding: 8px 14px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px;
}
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--grad); border: none; color: #fff; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: none; border: none; color: var(--t2); }
.btn.ghost:hover { color: var(--t1); background: var(--hover); }
.btn.lg { padding: 12px 22px; font-size: 14.5px; border-radius: 11px; }

/* ---------- Hero ---------- */

.hero {
  max-width: 1180px; margin: 0 auto; padding: 72px 20px 40px;
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center;
}
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; padding-top: 44px; } }
.eyebrow { font-size: 10.5px; letter-spacing: .16em; color: var(--acc2); font-weight: 600; }
.hero h1 { font: 600 52px/1.08 var(--sans); letter-spacing: -1px; margin: 16px 0 18px; }
@media (max-width: 900px) { .hero h1 { font-size: 38px; } }
.hero p { color: var(--t3); font-size: 16px; max-width: 460px; margin: 0 0 26px; }
.hero-ctas { display: flex; gap: 10px; margin-bottom: 20px; }
.hero-note { font-size: 9.5px; letter-spacing: .14em; color: var(--t4); }
.hero-stage { min-width: 0; }
.hero-sign {
  position: relative; width: 100%; overflow: hidden; border-radius: 16px;
  border: 1px solid var(--line); box-shadow: var(--shadow-lg); background: #14121B;
}
.hero-sign .slot { position: absolute; inset: 0; transition: opacity .6s ease; }
.hero-caption { font-size: 9.5px; letter-spacing: .14em; color: var(--t4); margin-top: 12px; text-align: center; }

/* ---------- Sections ---------- */

.mission { max-width: 760px; margin: 40px auto 0; padding: 0 20px; text-align: center; }
.mission p { color: var(--t2); font-size: 17px; line-height: 1.65; }

.section { max-width: 1180px; margin: 0 auto; padding: 84px 20px 0; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head h2 { font: 600 32px var(--sans); letter-spacing: -.5px; margin: 12px 0 0; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 900px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--panel); border: 1px solid var(--line-soft); border-radius: 14px;
  padding: 22px 22px 18px;
}
.feature .f-icon { font-size: 22px; display: block; margin-bottom: 12px; }
.feature h3 { font: 600 16px var(--sans); margin: 0 0 8px; }
.feature p { color: var(--t3); font-size: 13.5px; margin: 0; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }
.step { background: var(--panel); border: 1px solid var(--line-soft); border-radius: 14px; padding: 22px; }
.step-num { color: var(--acc2); font-size: 12px; letter-spacing: .1em; }
.step h3 { font: 600 17px var(--sans); margin: 10px 0 8px; }
.step p { color: var(--t3); font-size: 13.5px; margin: 0; }

.card-panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow); padding: 40px;
}
.service h2 { font: 600 28px var(--sans); margin: 12px 0 12px; }
.service p { color: var(--t3); max-width: 640px; margin: 0 0 20px; }

.hw { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 900px) { .hw { grid-template-columns: repeat(2, 1fr); } }
.hw-item {
  background: var(--card); border: 1px solid var(--line-soft); border-radius: 12px;
  padding: 18px; display: flex; flex-direction: column; gap: 6px;
}
.hw-item b { font: 600 14px var(--sans); }
.hw-item span { color: var(--t3); font-size: 12.5px; }

/* ---------- Contact ---------- */

.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } }
.contact-copy h2 { font: 600 28px var(--sans); margin: 12px 0 12px; }
.contact-copy p { color: var(--t3); margin: 0; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 10px; letter-spacing: .12em; color: var(--t3); font-weight: 600; }
.input {
  font: 400 14px var(--sans); color: var(--t1); background: var(--card);
  border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; width: 100%;
  outline: none; resize: vertical;
}
.input:focus { border-color: var(--acc); }
::placeholder { color: var(--t4); }
.form-msg { margin-top: 12px; font: 500 13px var(--sans); min-height: 18px; text-align: center; }
.form-msg.ok { color: #4CAF7D; }
.form-msg.err { color: #E05D5D; }

/* ---------- Footer ---------- */

.footer {
  max-width: 1180px; margin: 70px auto 0; padding: 26px 20px 30px;
  border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; gap: 12px;
  font: 400 12px var(--sans); color: var(--t4);
}