:root {
  --bg: #f4f5f8;
  --bg-2: #eceef2;
  --surface: rgba(255, 255, 255, 0.65);
  --surface-solid: #ffffff;
  --surface-2: rgba(255, 255, 255, 0.92);
  --border: rgba(15, 17, 21, 0.06);
  --border-strong: rgba(15, 17, 21, 0.12);
  --text: #0f1115;
  --text-2: #4a5058;
  --text-3: #9ca0a8;
  --accent: #0f1115;
  --accent-soft: #f4f5f8;
  --warm: #ff6b35;
  --success: #10b981;
  --danger: #ef4444;
  --shadow-sm: 0 1px 2px rgba(15, 17, 21, 0.04);
  --shadow-md: 0 4px 24px rgba(15, 17, 21, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 17, 21, 0.08);
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html:not(.js) * { animation-duration: 0s !important; transition-duration: 0s !important; }

body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01" 1, "cv11" 1;
}

body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 100% 60% at 50% -10%, rgba(255, 255, 255, 0.95), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(255, 220, 200, 0.18), transparent 60%),
    var(--bg);
  pointer-events: none;
}

/* ============== TYPOGRAPHY ============== */
h1, h2, h3, h4 {
  font-family: var(--sans);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.4em;
  color: var(--text);
}
h1 { font-size: clamp(40px, 6vw, 72px); font-weight: 700; letter-spacing: -0.035em; }
h2 { font-size: clamp(28px, 3.5vw, 44px); }
h3 { font-size: 20px; font-weight: 600; }
h4 { font-size: 17px; font-weight: 600; }
p { margin: 0 0 1em; color: var(--text-2); }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--text); }
code, pre { font-family: var(--mono); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-3);
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15); animation: pulse 2.4s ease-in-out infinite; }
.muted { color: var(--text-3); }
.mono { font-family: var(--mono); font-size: 0.92em; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.center { text-align: center; }
.rule { height: 1px; background: var(--border); border: 0; margin: 24px 0; }
.rule-soft { height: 1px; background: linear-gradient(90deg, transparent, var(--border-strong), transparent); border: 0; margin: 16px 0; }

/* ============== NAVBAR ============== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 245, 248, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.nav.scrolled {
  background: rgba(244, 245, 248, 0.85);
  border-bottom-color: var(--border);
}
.nav-inner { display: flex; align-items: center; height: 64px; gap: 8px; }
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  padding-right: 22px; margin-right: 14px;
  font-weight: 600; font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.nav-brand .logo { width: 32px; height: 32px; display: block; transition: transform .4s cubic-bezier(.2,.8,.2,1); }
.nav-brand:hover .logo { transform: scale(1.05) rotate(-2deg); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  display: inline-flex; align-items: center;
  padding: 8px 14px; font-size: 14px; font-weight: 500;
  color: var(--text-2); border-radius: 10px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--text); background: rgba(15, 17, 21, 0.04); }
.nav-links a.active { color: var(--text); background: rgba(15, 17, 21, 0.06); }
.nav-spacer { flex: 1; }
.nav-user { display: flex; align-items: center; gap: 8px; }
.nav-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 13px;
  color: #fff; background: linear-gradient(135deg, #0f1115, #4a5058);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-sm);
}
.nav-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; font-size: 12px; font-weight: 500;
  background: rgba(15, 17, 21, 0.05);
  color: var(--text-2);
  border-radius: 999px;
}
.nav-pill.admin { background: rgba(15, 17, 21, 0.08); color: var(--text); }

/* ============== HERO ============== */
.hero { padding: 80px 0 56px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 920px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

.hero h1 { font-size: clamp(44px, 6.5vw, 88px); font-weight: 700; }
.hero h1 .soft { color: var(--text-3); font-weight: 500; }
.hero h1 .accent { color: var(--warm); }
.hero .lead { font-size: 19px; line-height: 1.55; color: var(--text-2); max-width: 520px; margin-top: 24px; font-weight: 400; }
.hero .ctas { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.hero .meta { display: flex; gap: 32px; margin-top: 40px; flex-wrap: wrap; font-size: 13px; color: var(--text-3); }
.hero .meta strong { color: var(--text); font-weight: 600; }

.hero-side { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.hero-side .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); }
.hero-side .logo-wrap { position: relative; padding: 20px; }
.hero-side .logo { width: 240px; height: 240px; }
.hero-side .logo-wrap::before {
  content: ""; position: absolute; inset: -20px;
  background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.08), transparent 70%);
  pointer-events: none;
}

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; font-size: 14px; font-weight: 500;
  border: 1px solid transparent; border-radius: 12px;
  background: transparent; color: var(--text);
  cursor: pointer; font-family: inherit;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn:hover { color: var(--text); }
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--accent); color: #ffffff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: #1a1d22; color: #fff; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-ghost {
  background: var(--surface-2);
  border-color: var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: #ffffff; border-color: rgba(15, 17, 21, 0.18); }
.btn-danger { background: rgba(239, 68, 68, 0.08); color: var(--danger); border-color: rgba(239, 68, 68, 0.18); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.14); color: var(--danger); }
.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 10px; }
.btn-block { width: 100%; }

/* ============== CARDS ============== */
.section { padding: 64px 0; }
.section + .section { border-top: 1px solid var(--border); }
.section-head { margin-bottom: 36px; }
.section-head h2 { margin: 12px 0 0; }

.card {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.card .index {
  font-family: var(--mono); font-size: 11px; color: var(--text-3);
  letter-spacing: 0.14em; text-transform: uppercase;
  display: block; margin-bottom: 14px;
}
.card .index::before { content: "— "; }
.card h3 { margin: 0 0 10px; font-size: 18px; }
.card p { font-size: 14px; line-height: 1.6; color: var(--text-2); margin: 0; }

.glass-panel {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }

/* ============== PILLS / TAGS ============== */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; font-size: 12px; font-weight: 500;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: 999px;
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-3); }
.pill.good { color: var(--success); border-color: rgba(16, 185, 129, 0.2); background: rgba(16, 185, 129, 0.08); }
.pill.good .dot { background: var(--success); }
.pill.warn { color: #b45309; border-color: rgba(180, 83, 9, 0.2); background: rgba(180, 83, 9, 0.08); }
.pill.warn .dot { background: #b45309; }
.pill.bad { color: var(--danger); border-color: rgba(239, 68, 68, 0.2); background: rgba(239, 68, 68, 0.08); }
.pill.bad .dot { background: var(--danger); }
.pill.accent { color: var(--warm); border-color: rgba(255, 107, 53, 0.22); background: rgba(255, 107, 53, 0.08); }
.pill.accent .dot { background: var(--warm); }

/* ============== FORMS ============== */
.field { display: block; margin-bottom: 18px; }
.field label {
  display: block; font-size: 13px; font-weight: 500;
  color: var(--text); margin-bottom: 8px;
}
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  font: inherit; font-size: 15px;
  outline: none;
  transition: border-color .2s, background .2s, box-shadow .2s;
  -webkit-appearance: none;
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: rgba(15, 17, 21, 0.3);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(15, 17, 21, 0.05);
}
.field .hint { display: block; margin-top: 6px; font-size: 12px; color: var(--text-3); }

.form-card { max-width: 440px; margin: 64px auto; }
.form-card h2 { font-size: 28px; margin-bottom: 8px; }
.form-card .card { padding: 32px; }

/* ============== TABLES ============== */
.table-wrap {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--border); }
th {
  color: var(--text-3); font-weight: 500; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.4);
  border-bottom: 1px solid var(--border-strong);
}
tbody tr { transition: background .15s; }
tbody tr:hover { background: rgba(255, 255, 255, 0.4); }
tbody tr:last-child td { border-bottom: none; }

/* ============== CODE BLOCKS ============== */
pre {
  background: rgba(15, 17, 21, 0.04);
  border: 1px solid var(--border);
  padding: 18px 20px;
  border-radius: 14px;
  overflow-x: auto;
  font-size: 13px; line-height: 1.6;
  position: relative;
}
pre code { background: transparent; padding: 0; color: var(--text); }
code {
  background: rgba(15, 17, 21, 0.05);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.88em;
  color: var(--text);
}
pre code { background: transparent; padding: 0; }

/* ============== TOAST ============== */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px);
  padding: 12px 20px;
  background: var(--surface-solid); border: 1px solid var(--border-strong);
  color: var(--text); font-size: 13px; font-weight: 500;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s cubic-bezier(.2,.8,.2,1);
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.good { border-color: rgba(16, 185, 129, 0.3); color: var(--success); }
.toast.bad { border-color: rgba(239, 68, 68, 0.3); color: var(--danger); }

/* ============== FOOTER ============== */
footer {
  margin-top: 80px; padding: 40px 0 32px;
  border-top: 1px solid var(--border);
  color: var(--text-3); font-size: 13px;
}
footer .row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--text-2); transition: color .2s; }
footer a:hover { color: var(--text); }

/* ============== COPY BUTTON ============== */
.copy-btn {
  position: absolute; top: 10px; right: 10px;
  padding: 5px 11px; font-size: 11px; font-weight: 500;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border-strong);
  color: var(--text-2);
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s;
  backdrop-filter: blur(8px);
}
.copy-btn:hover { color: var(--text); border-color: var(--text-2); background: #ffffff; }
.copy-btn.ok { color: var(--success); border-color: rgba(16, 185, 129, 0.3); }

/* ============== REVEAL ANIMATIONS ============== */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .4s; }
.reveal[data-delay="6"] { transition-delay: .48s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ============== DASHBOARD ============== */
.dash-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; gap: 16px; flex-wrap: wrap; }
.dash-header h1 { font-size: 40px; margin: 0; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
}
.stat .label { color: var(--text-3); font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 500; }
.stat .value { font-size: 32px; font-weight: 700; line-height: 1; color: var(--text); margin-top: 8px; letter-spacing: -0.02em; }

.key-card {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px;
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 10px;
  transition: border-color .2s, transform .2s;
}
.key-card:hover { border-color: var(--border-strong); }
.key-card .key-text {
  font-family: var(--mono); font-size: 13px;
  color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  max-width: 380px;
}
.key-card .actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ============== DOCS ============== */
.docs-grid { display: grid; grid-template-columns: 220px 1fr; gap: 48px; padding: 40px 0; }
@media (max-width: 800px) { .docs-grid { grid-template-columns: 1fr; gap: 24px; } }
.docs-side { position: sticky; top: 88px; align-self: start; }
.docs-side .eyebrow { display: block; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.docs-side a {
  display: block; padding: 9px 14px; font-size: 13px; font-weight: 500;
  color: var(--text-2);
  border-radius: 10px;
  margin-bottom: 2px;
  transition: all .2s;
}
.docs-side a:hover { color: var(--text); background: rgba(15, 17, 21, 0.04); }
.docs-side a.active { color: var(--text); background: rgba(15, 17, 21, 0.06); }
.docs-content h2 { margin-top: 0; }
.docs-content h3 { margin-top: 32px; font-size: 18px; }
.docs-content .step { counter-increment: step; padding-left: 56px; position: relative; margin-bottom: 20px; }
.docs-content .step::before {
  content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 0;
  font-family: var(--mono); font-size: 13px; color: var(--text-3); letter-spacing: 0.05em;
  padding-right: 14px;
  border-bottom: 1px solid var(--border);
  min-width: 32px; padding-bottom: 4px;
}
.docs-content { counter-reset: step; }

/* ============== ALERTS ============== */
.alert { padding: 14px 18px; border-radius: 12px; margin-bottom: 16px; font-size: 14px; border: 1px solid var(--border); background: var(--surface); }
.alert.error { border-color: rgba(239, 68, 68, 0.2); color: var(--danger); background: rgba(239, 68, 68, 0.05); }
.alert.ok { border-color: rgba(16, 185, 129, 0.2); color: var(--success); background: rgba(16, 185, 129, 0.05); }
.alert.info { color: var(--text-2); background: var(--surface); }

/* ============== CAPTCHA ============== */
.captcha { margin: 18px 0; }
.captcha-label { display: block; font-size: 13px; font-weight: 500; color: var(--text); margin-bottom: 8px; }
.captcha-row { display: grid; grid-template-columns: minmax(110px, auto) minmax(0, 1fr) auto; align-items: stretch; gap: 8px; }
.captcha-q {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 0 16px;
  background: rgba(15, 17, 21, 0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: var(--mono); font-size: 15px;
  white-space: nowrap;
}
.captcha-q .captcha-a, .captcha-q .captcha-b { color: var(--warm); font-weight: 600; }
.captcha-row input {
  min-width: 0;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 11px 14px; font: inherit; font-size: 15px;
  outline: none;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.captcha-row input:focus { border-color: rgba(15, 17, 21, 0.3); background: #ffffff; box-shadow: 0 0 0 4px rgba(15, 17, 21, 0.05); }
.captcha-refresh {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border-strong);
  color: var(--text-2);
  padding: 0 14px; cursor: pointer; font-size: 18px; line-height: 1;
  border-radius: 12px;
  transition: all .2s;
}
.captcha-refresh:hover { color: var(--text); border-color: var(--text-2); background: #ffffff; }
.captcha small { display: block; margin-top: 8px; }

/* ============== MISC ============== */
.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 1.5px solid var(--border-strong); border-top-color: var(--text);
  border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.feature-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(255, 107, 53, 0.04));
  color: var(--warm);
  border-radius: 12px;
  margin-bottom: 16px;
  font-size: 18px;
  font-weight: 600;
  font-family: var(--mono);
}

.divider-vert { width: 1px; align-self: stretch; background: var(--border); margin: 0 8px; }

/* ============== RESPONSIVE ============== */
@media (max-width: 720px) {
  h1 { font-size: 36px; }
  h2 { font-size: 26px; }
  .nav-links { display: none; }
  .nav-user { gap: 6px; }
  .nav-brand { padding-right: 0; margin-right: 0; border-right: none; }
  .hero { padding: 48px 0 32px; }
  .container { padding: 0 18px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .card { padding: 22px; }
}