/* ============================================================
   Rumah AI — Landing page styles (premium marketing site)
   ============================================================ */
:root, [data-theme="dark"] {
  --lp-bg: #08080f;
  --lp-bg-2: #0c0d17;
  --lp-text: #f0f1f7;
  --lp-text-2: #a6abc4;
  --lp-text-3: #646b8a;
  --lp-accent: #6d5efc;
  --lp-accent-2: #a78bfa;
  --lp-border: #1e2233;
  --lp-card: rgba(255,255,255,.03);
  --lp-glow-1: rgba(109,94,252,.22);
  --lp-glow-2: rgba(34,211,238,.12);
  --lp-glow-3: rgba(251,191,36,.08);
}
[data-theme="light"] {
  --lp-bg: #f7f8fd;
  --lp-bg-2: #ffffff;
  --lp-text: #13152b;
  --lp-text-2: #565d7a;
  --lp-text-3: #8a90ae;
  --lp-accent: #5b4df0;
  --lp-accent-2: #6d5efc;
  --lp-border: #e6e8f4;
  --lp-card: rgba(23,25,45,.03);
  --lp-glow-1: rgba(109,94,252,.14);
  --lp-glow-2: rgba(34,211,238,.08);
  --lp-glow-3: rgba(251,191,36,.06);
}

.lp { background: var(--lp-bg); color: var(--lp-text); min-height: 100vh; overflow-x: hidden; }
.lp a { color: inherit; }
.lp * { box-sizing: border-box; }

/* Nav */
.lp-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: 28px; padding: 0 max(24px, calc((100vw - 1180px)/2));
  height: 66px;
  background: color-mix(in srgb, var(--lp-bg) 78%, transparent);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--lp-border);
}
.lp-nav .brand { color: var(--lp-text); }
.lp-nav-links { display: flex; gap: 4px; margin: 0 auto; }
.lp-nav-links a { padding: 8px 14px; border-radius: 9px; font-size: 13.5px; font-weight: 500; color: var(--lp-text-2); transition: color .16s, background .16s; }
.lp-nav-links a:hover { color: var(--lp-text); background: var(--lp-card); }
.lp-nav-cta { display: flex; gap: 10px; align-items: center; }
.lp-theme-btn {
  width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--lp-border);
  background: transparent; color: var(--lp-text-2); display: grid; place-items: center; cursor: pointer;
}
.lp-theme-btn:hover { color: var(--lp-text); border-color: var(--lp-accent); }
.lp-theme-btn .icon-moon { display: none; }
[data-theme="dark"] .lp-theme-btn .icon-sun { display: none; }
[data-theme="dark"] .lp-theme-btn .icon-moon { display: block; }
.lp-theme-btn svg { width: 17px; height: 17px; }

/* Hero */
.lp-hero { position: relative; text-align: center; padding: 96px 24px 64px; }
.lp-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 320px at 50% -10%, var(--lp-glow-1), transparent 70%),
    radial-gradient(500px 260px at 12% 20%, var(--lp-glow-2), transparent 70%),
    radial-gradient(500px 260px at 88% 16%, var(--lp-glow-3), transparent 70%);
}
.lp-hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--lp-border); background: var(--lp-card); font-size: 12.5px; font-weight: 600;
  color: var(--lp-text-2); margin-bottom: 26px; animation: lpFadeUp .7s ease both;
}
.lp-hero-badge .live-dot { width: 7px; height: 7px; border-radius: 50%; background: #34d399; box-shadow: 0 0 8px #34d399; animation: lpPulse 1.8s ease infinite; }
.lp-hero h1 {
  margin: 0 0 18px; font-size: clamp(38px, 6vw, 64px); font-weight: 800; letter-spacing: -.035em; line-height: 1.08;
  animation: lpFadeUp .7s .08s ease both;
}
.lp-hero h1 .grad {
  background: linear-gradient(120deg, var(--lp-accent), #22d3ee 55%, var(--lp-accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.lp-hero p.lead {
  max-width: 640px; margin: 0 auto 34px; font-size: 17.5px; line-height: 1.65; color: var(--lp-text-2);
  animation: lpFadeUp .7s .16s ease both;
}
.lp-hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; animation: lpFadeUp .7s .24s ease both; }
.lp-btn {
  display: inline-flex; align-items: center; gap: 9px; padding: 13px 26px; border-radius: 12px;
  font-size: 14.5px; font-weight: 700; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.lp-btn-primary { background: linear-gradient(135deg, var(--lp-accent), #8b7bff); color: #fff; box-shadow: 0 4px 24px rgba(109,94,252,.4); }
.lp-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 34px rgba(109,94,252,.55); }
.lp-btn-ghost { border: 1px solid var(--lp-border); background: var(--lp-card); color: var(--lp-text); }
.lp-btn-ghost:hover { border-color: var(--lp-accent); transform: translateY(-2px); }

/* Architecture visual */
.lp-arch { position: relative; margin: 60px auto 0; max-width: 640px; animation: lpFadeUp .8s .32s ease both; }
.arch-box {
  background: color-mix(in srgb, var(--lp-bg-2) 70%, transparent);
  border: 1px solid var(--lp-border); border-radius: 16px; padding: 18px 22px;
  font-family: 'JetBrains Mono', monospace; font-size: 13px; line-height: 1.8;
  box-shadow: 0 24px 60px rgba(0,0,0,.35); backdrop-filter: blur(8px);
}
.arch-box .t { color: var(--lp-text-3); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 8px; }
.arch-row { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.arch-node {
  padding: 7px 16px; border-radius: 10px; font-size: 12.5px; font-weight: 600;
  background: var(--lp-card); border: 1px solid var(--lp-border);
}
.arch-node.app { border-color: var(--lp-accent); color: var(--lp-accent-2); background: rgba(109,94,252,.1); }
.arch-node.rumah { border-color: var(--lp-accent); background: linear-gradient(135deg, var(--lp-accent), #8b7bff); color: #fff; border: none; }
.arch-node.router { border-color: rgba(34,211,238,.4); color: #22d3ee; background: rgba(34,211,238,.08); }
.arch-node.model { border-color: rgba(52,211,153,.4); color: #34d399; background: rgba(52,211,153,.07); }
.arch-node.other { color: var(--lp-text-3); }
.arch-arrow { color: var(--lp-text-3); font-size: 11px; text-align: center; padding: 4px 0; }
.arch-arrow svg { width: 16px; height: 16px; vertical-align: middle; }

/* Logos strip */
.lp-logos { display: flex; justify-content: center; gap: 26px; flex-wrap: wrap; padding: 30px 24px 6px; color: var(--lp-text-3); font-size: 13px; font-weight: 700; letter-spacing: .04em; opacity: .75; }
.lp-logos span { font-family: 'JetBrains Mono', monospace; }

/* Sections */
.lp-section { padding: 84px 24px; }
.lp-section > .inner { max-width: 1180px; margin: 0 auto; }
.lp-section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.lp-section-head .kicker { display: inline-block; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; color: var(--lp-accent-2); margin-bottom: 10px; }
.lp-section-head h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -.03em; margin: 0 0 14px; }
.lp-section-head p { color: var(--lp-text-2); font-size: 16px; line-height: 1.6; margin: 0; }

.lp-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 980px) { .lp-features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .lp-features { grid-template-columns: 1fr; } }
.lp-feature {
  background: var(--lp-card); border: 1px solid var(--lp-border); border-radius: 18px; padding: 26px;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.lp-feature:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--lp-accent) 40%, var(--lp-border)); box-shadow: 0 18px 44px rgba(0,0,0,.22); }
.lp-feature .f-icon { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 16px; background: rgba(109,94,252,.12); color: var(--lp-accent-2); }
.lp-feature .f-icon svg { width: 22px; height: 22px; }
.lp-feature h3 { margin: 0 0 8px; font-size: 16.5px; font-weight: 700; }
.lp-feature p { margin: 0; color: var(--lp-text-2); font-size: 13.5px; line-height: 1.6; }

/* Pricing */
.lp-pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
@media (max-width: 900px) { .lp-pricing { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; } }
.lp-price-card {
  position: relative; background: var(--lp-card); border: 1px solid var(--lp-border);
  border-radius: 20px; padding: 30px 26px; display: flex; flex-direction: column;
  transition: transform .22s ease, border-color .22s ease;
}
.lp-price-card:hover { transform: translateY(-4px); }
.lp-price-card.featured {
  border-color: var(--lp-accent); background: linear-gradient(180deg, rgba(109,94,252,.1), transparent 45%), var(--lp-card);
  box-shadow: 0 0 0 1px var(--lp-accent), 0 24px 60px rgba(109,94,252,.16);
}
.lp-price-card .badge-featured { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--lp-accent), #8b7bff); color: #fff; font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; padding: 5px 14px; border-radius: 999px; }
.lp-price-card h3 { margin: 0 0 4px; font-size: 18px; }
.lp-price-card .p-sub { color: var(--lp-text-3); font-size: 13px; min-height: 36px; }
.lp-price { margin: 18px 0; font-size: 40px; font-weight: 800; letter-spacing: -.03em; }
.lp-price small { font-size: 14px; color: var(--lp-text-3); font-weight: 600; }
.lp-price-list { list-style: none; margin: 0 0 24px; padding: 0; flex: 1; }
.lp-price-list li { display: flex; gap: 9px; padding: 6px 0; font-size: 13.5px; color: var(--lp-text-2); }
.lp-price-list li svg { width: 15px; height: 15px; color: #34d399; flex-shrink: 0; margin-top: 3px; }
.lp-price-list li.off { color: var(--lp-text-3); opacity: .6; }
.lp-price-list li.off svg { color: var(--lp-text-3); }
.lp-btn-block { width: 100%; justify-content: center; }

/* CTA band */
.lp-cta { position: relative; text-align: center; padding: 90px 24px; overflow: hidden; }
.lp-cta::before { content: ''; position: absolute; inset: 0; background: radial-gradient(640px 300px at 50% 100%, var(--lp-glow-1), transparent 70%); pointer-events: none; }
.lp-cta h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -.03em; margin: 0 0 14px; }
.lp-cta p { color: var(--lp-text-2); font-size: 16px; margin: 0 auto 30px; max-width: 520px; }

/* Footer */
.lp-footer { border-top: 1px solid var(--lp-border); padding: 40px 24px; background: var(--lp-bg-2); }
.lp-footer .inner { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 800px) { .lp-footer .inner { grid-template-columns: 1fr 1fr; } }
.lp-footer .col h4 { font-size: 13px; margin: 0 0 12px; letter-spacing: .04em; text-transform: uppercase; color: var(--lp-text-3); }
.lp-footer .col a { display: block; padding: 4px 0; color: var(--lp-text-2); font-size: 13.5px; }
.lp-footer .col a:hover { color: var(--lp-accent-2); }
.lp-footer .col p { color: var(--lp-text-2); font-size: 13px; line-height: 1.65; margin: 12px 0 0; }
.lp-footer .bottom { max-width: 1180px; margin: 30px auto 0; padding-top: 20px; border-top: 1px solid var(--lp-border); display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: 12.5px; color: var(--lp-text-3); }

@keyframes lpFadeUp { from { opacity: 0; transform: translateY(16px);} to { opacity: 1; transform: translateY(0);} }
@keyframes lpPulse { 0%,100% { opacity: 1;} 50% { opacity: .35;} }

@media (max-width: 860px) {
  .lp-nav-links { display: none; }
  .lp-hero { padding: 64px 20px 48px; }
  .lp-section { padding: 60px 20px; }
}