:root {
  --bg: #0d1117; --surface: #151d28; --surface2: #1b2634; --line: #293749;
  --text: #edf4fb; --muted: #92a5ba; --blue: #3ba7ff; --green: #2fd88a; --red: #ff6c79;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; color: var(--text); background:
  radial-gradient(circle at 15% 10%, rgba(59,167,255,.13), transparent 30rem),
  radial-gradient(circle at 85% 28%, rgba(47,216,138,.08), transparent 26rem), var(--bg);
  font: 15px/1.6 "Segoe UI", Inter, system-ui, sans-serif; }
.top { height: 68px; max-width: 1180px; margin: auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.brand { color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .1px; display: flex; align-items: center; gap: 10px; }
.brand span { width: 11px; height: 11px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 16px var(--blue); }
.brand-logo { width: 38px; height: 38px; border-radius: 11px; object-fit: cover;
  background: #00020e; border: 1px solid var(--line); box-shadow: 0 0 18px rgba(59,167,255,.22); }
.top-link { color: var(--muted); text-decoration: none; padding: 7px 15px; border: 1px solid var(--line); border-radius: 9px; }
.top-link:hover { color: var(--text); border-color: var(--blue); }
main { max-width: 1180px; margin: auto; padding: 48px 24px 76px; }
.hero { min-height: 520px; display: grid; grid-template-columns: 1.04fr .96fr; gap: 70px; align-items: center; }
.eyebrow { color: #80c8ff; text-transform: uppercase; letter-spacing: 1.6px; font-size: 11px; font-weight: 700; }
h1 { margin: 14px 0 18px; max-width: 680px; font-size: clamp(40px, 5.7vw, 68px); line-height: 1.03; letter-spacing: -2.5px; }
.hero-copy > p { max-width: 620px; color: var(--muted); font-size: 17px; }
.benefits { display: flex; flex-wrap: wrap; gap: 12px 22px; margin: 26px 0; color: #bfccda; font-size: 13px; }
.benefits span { display: flex; align-items: center; gap: 7px; }
.benefits i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px rgba(47,216,138,.7); }
.cta, .submit { border: 0; color: white; background: linear-gradient(180deg, #45adff, #217cda); box-shadow: 0 10px 30px rgba(37,130,224,.25); border-radius: 10px; font: inherit; font-weight: 650; cursor: pointer; }
.cta { display: inline-block; padding: 11px 21px; text-decoration: none; }
.preview { border: 1px solid #2c4058; border-radius: 18px; padding: 17px; background: linear-gradient(145deg, rgba(28,39,53,.97), rgba(16,23,33,.97)); box-shadow: 0 25px 80px rgba(0,0,0,.35); transform: perspective(900px) rotateY(-3deg); }
.preview-bar { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.preview-bar b { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
.preview-bar em { margin-left: auto; color: #a9ebcb; font-style: normal; background: #123023; border: 1px solid #225a40; padding: 2px 9px; border-radius: 99px; }
.preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin: 15px 0; }
.preview-grid div { background: #111925; border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.preview-grid small { color: var(--muted); display: block; font-size: 10px; }
.preview-grid strong { display: block; margin-top: 3px; font-size: 20px; }.preview-grid .green { color: var(--green); }
.chart { height: 150px; display: flex; align-items: flex-end; gap: 8px; padding: 20px 18px 0; background: #101720; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.chart span { flex: 1; height: 30%; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, var(--blue), rgba(59,167,255,.1)); }
.chart span:nth-child(2) { height: 44%; }.chart span:nth-child(3) { height: 40%; }.chart span:nth-child(4) { height: 64%; }.chart span:nth-child(5) { height: 58%; }.chart span:nth-child(6) { height: 79%; }.chart span:nth-child(7) { height: 92%; background: linear-gradient(180deg, var(--green), rgba(47,216,138,.1)); }
.preview-log { margin-top: 10px; padding: 10px 12px; display: flex; gap: 9px; align-items: center; color: var(--muted); font-size: 11px; border-radius: 9px; background: #111925; }
.preview-log b { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.access { margin-top: 90px; padding: 54px; border: 1px solid var(--line); border-radius: 20px; background: rgba(19,27,38,.8); display: grid; grid-template-columns: 1fr 430px; gap: 70px; align-items: center; }
.access h2 { margin: 9px 0; font-size: 32px; }.access-intro p { color: var(--muted); max-width: 500px; }
.security { padding: 12px 14px; border-left: 2px solid #bd8531; background: rgba(255,179,64,.06); font-size: 12px; }
.auth-card { min-height: 390px; border: 1px solid #304158; border-radius: 14px; padding: 8px 22px 22px; background: #121a25; }
.tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; padding: 7px 0 17px; }
.tab { padding: 10px; border: 0; border-bottom: 2px solid transparent; color: var(--muted); background: transparent; font: inherit; cursor: pointer; }
.tab.active { color: var(--text); border-color: var(--blue); }
.auth-form { display: none; }.auth-form.active { display: block; animation: enter .18s ease-out; }
.auth-form label { display: block; margin: 0 0 13px; color: #c9d5e2; font-size: 12px; }
.auth-form input { display: block; width: 100%; margin-top: 5px; padding: 11px 12px; border-radius: 9px; border: 1px solid #35475d; outline: 0; color: var(--text); background: #0d141e; font: inherit; }
.auth-form input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59,167,255,.13); }
.submit { width: 100%; margin-top: 6px; padding: 11px; }.submit:disabled { opacity: .55; cursor: wait; }
.message { min-height: 24px; margin: 11px 0 0; color: #ffd38f; font-size: 12px; }.message.bad { color: #ff9ca5; }.message.good { color: #9ce8c2; }
footer { max-width: 1180px; margin: auto; padding: 22px 24px 35px; display: flex; justify-content: space-between; border-top: 1px solid var(--line); color: #60748b; font-size: 12px; }
@keyframes enter { from { opacity: 0; transform: translateY(4px); } }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; gap: 40px; }.preview { transform: none; }.access { padding: 30px; grid-template-columns: 1fr; gap: 30px; }.auth-card { width: 100%; }.hero { min-height: auto; } }
@media (max-width: 560px) { main { padding-top: 28px; }.preview-grid { grid-template-columns: 1fr; }.chart { height: 110px; }.access { padding: 22px 15px; margin-top: 60px; }.auth-card { padding-inline: 15px; } footer { gap: 12px; flex-direction: column; } }
.oculto { display: none !important; }
.top-nav { display: flex; gap: 10px; align-items: center; }
#ir-panel { color: #fff; border-color: #217cda; background: rgba(59,167,255,.14); }
.auth-form select { display: block; width: 100%; margin-top: 5px; padding: 11px 12px; border-radius: 9px; border: 1px solid #35475d; outline: 0; color: var(--text); background: #0d141e; font: inherit; }
.auth-form select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59,167,255,.13); }
.auth-form label small { color: var(--muted); font-size: 11px; }
.code-input { text-transform: uppercase; letter-spacing: 1.5px; font-family: "Cascadia Code", Consolas, monospace !important; }
.session-note { padding: 12px 14px; border-left: 2px solid var(--blue); background: rgba(59,167,255,.07); font-size: 13px; }
.session-note a { color: #80c8ff; font-weight: 650; }
.auth-card { min-height: 480px; }