/* certifica — clean white theme */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-tint: #eef3fb;
  --ink: #1b2333;
  --ink-soft: #5b6b82;
  --ink-faint: #8593a9;
  --line: #e6eaf1;
  --accent: #2563eb;
  --accent-600: #1d4ed8;
  --accent-soft: #e8effd;
  --success: #15803d;
  --success-soft: #e7f6ec;
  --danger: #dc2626;
  --danger-soft: #fdecec;
  --warn: #b45309;
  --warn-soft: #fdf3e3;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(23, 34, 58, 0.05), 0 8px 24px -12px rgba(23, 34, 58, 0.12);
  --shadow-lg: 0 12px 40px -16px rgba(23, 34, 58, 0.22);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  font-size: 15.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: var(--mono); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- top bar ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { position: relative; display: flex; align-items: center; gap: 20px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--ink); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand svg { width: 26px; height: 26px; color: var(--accent); }
.nav-links { position: absolute; left: 50%; transform: translateX(-50%); display: flex; gap: 4px; }
.nav-links a, .nav-drop>button {
  font-size: 13px; font-weight: 500; color: var(--ink-soft, #3d4b61);
  padding: 8px 11px; border-radius: 8px; cursor: pointer; border: none; background: none; font-family: var(--font);
  white-space: nowrap;
}
.nav-links a:hover { text-decoration: none; background: var(--bg-soft); color: var(--ink); }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); }
.nav-link-strong { font-weight: 600; color: var(--ink); }
.nav-cta { margin-left: auto; }
.burger { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--ink); }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .burger { display: block; position: absolute; left: 50%; transform: translateX(-50%); }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 66px; left: 0; right: 0; transform: none; background: #fff; border-bottom: 1px solid var(--line); padding: 12px 20px 18px; gap: 4px; }
  .nav-cta { margin-left: auto; padding: 10px 14px; font-size: 13.5px; }
}

/* ---------- hero ---------- */
.hero { padding: 88px 0 64px; background:
  radial-gradient(900px 400px at 12% -10%, #eaf1ff 0%, transparent 55%),
  radial-gradient(800px 380px at 95% 8%, #f2f6ff 0%, transparent 55%),
  var(--bg); position: relative; overflow: hidden; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--accent-600); background: var(--accent-soft); padding: 6px 12px; border-radius: 999px; margin-bottom: 22px; }
.hero h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.08; letter-spacing: -0.025em; margin: 0 0 20px; max-width: 760px; font-weight: 750; }
.hero .lede { font-size: 18px; color: var(--ink-soft); max-width: 640px; margin: 0 0 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-foot { margin-top: 46px; color: var(--ink-faint); font-size: 13.5px; display: flex; flex-wrap: wrap; gap: 18px; max-width: 760px; }
.hero-foot span { display: inline-flex; gap: 7px; align-items: center; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font); font-size: 14.5px; font-weight: 600; line-height: 1;
  padding: 12px 20px; border-radius: 10px; border: 1px solid transparent; cursor: pointer;
  transition: background .14s ease, border-color .14s ease, transform .06s ease, box-shadow .14s;
  text-decoration: none; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px -8px rgba(37, 99, 235, 0.6); }
.btn-primary:hover { text-decoration: none; background: var(--accent-600); }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { text-decoration: none; border-color: #cfd8e6; background: var(--bg-soft); }
.btn-ghost { background: none; color: var(--ink-soft); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--ink); text-decoration: none; }
.btn-danger { background: #fff; color: var(--danger); border-color: #f3c7c7; }
.btn-danger:hover { background: var(--danger-soft); }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* ---------- sections ---------- */
.section { padding: 64px 0; }
.section--soft { background: var(--bg-soft); }
.section--tint { background: var(--bg-tint); }
.eyebrow { font-size: 12.5px; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--accent); margin: 0 0 12px; }
.h2 { font-size: clamp(24px, 3.4vw, 32px); letter-spacing: -0.015em; margin: 0 0 10px; font-weight: 700; }
.h2-sub { color: var(--ink-soft); max-width: 640px; margin: 0 0 36px; font-size: 16px; }
.center { text-align: center; }
.center .h2-sub { margin-left: auto; margin-right: auto; }

/* ---------- cards ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: transform .12s ease, box-shadow .16s ease, border-color .16s ease;
}
a.card { color: inherit; }
a.card:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: #cfdcf5; }
.card-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 16px; }
.card-icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 17px; margin: 0 0 8px; letter-spacing: -0.01em; }
.card p { margin: 0 0 16px; color: var(--ink-soft); font-size: 14.5px; flex: 1; }
.card .tag { margin-top: auto; align-self: flex-start; }

.tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--accent-600); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; }
.tag--green { color: var(--success); background: var(--success-soft); }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 24px; counter-reset: step; }
.step { position: relative; padding: 8px 0 0 46px; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 4px; width: 34px; height: 34px; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent-600); font-weight: 700; display: grid; place-items: center; font-size: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

/* ---------- forms ---------- */
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.panel-head { padding: 20px 28px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 14px; }
.panel-head h1 { font-size: 20px; margin: 0; font-weight: 700; letter-spacing: -0.01em; }
.panel-head p { margin: 2px 0 0; color: var(--ink-faint); font-size: 13.5px; }
.panel-body { padding: 28px; }
.label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink); margin: 22px 0 6px; }
.label:first-child { margin-top: 0; }
.label .req { color: var(--danger); }
.hint { font-size: 13px; color: var(--ink-faint); margin: 6px 0 0; }
.field, select.field, textarea.field {
  width: 100%; box-sizing: border-box; font: inherit; color: var(--ink);
  padding: 11px 14px; border: 1px solid #ccd5e3; border-radius: var(--radius-sm);
  background: #fff; transition: border-color .12s, box-shadow .12s; margin-top: 2px;
}
select.field { appearance: auto; }
.field:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14); }
.field.invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.spacer { flex: 1; }

/* ---------- file drop ---------- */
.drop {
  border: 1.5px dashed #c4d0e2; border-radius: var(--radius); background: var(--bg-soft);
  padding: 22px; display: flex; align-items: center; gap: 16px; cursor: pointer;
  transition: border-color .14s, background .14s; margin-top: 2px; position: relative;
}
.drop:hover, .drop.drag { border-color: var(--accent); background: var(--accent-soft); }
.drop.done { border-color: #9fd1ae; background: var(--success-soft); }
.drop.done .drop-name { color: var(--success); }
.drop input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop-icon { color: var(--accent); flex: none; }
.drop-name { font-weight: 600; font-size: 14px; word-break: break-all; }
.drop-sub { font-size: 13px; color: var(--ink-faint); }
.drop.has-file .drop-prompt { display: none; }

/* ---------- alerts / results ---------- */
.alert { border-radius: var(--radius-sm); padding: 14px 16px; font-size: 14px; margin-top: 16px; display: flex; gap: 10px; align-items: flex-start; }
.alert svg { flex: none; width: 18px; height: 18px; margin-top: 1px; }
.alert-error { background: var(--danger-soft); color: var(--danger); }
.alert-ok { background: var(--success-soft); color: var(--success); }
.alert-warn { background: var(--warn-soft); color: var(--warn); }
.alert-info { background: var(--accent-soft); color: var(--accent-600); }

.result { display: none; }
.result.show { display: block; }

/* ---------- downloads ---------- */
.dl-group { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; margin-top: 14px; }
.dl-card { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px; background: #fff; }
.dl-card .dl-name { font-weight: 600; font-size: 14px; word-break: break-all; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.dl-card .dl-name svg { width: 17px; height: 17px; color: var(--accent); flex: none; }
.dl-card .btn { width: 100%; }
.dir-path, .mono { font-family: var(--mono); font-size: 13px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-top: 12px; }
.stat { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; }
.stat b { display: block; font-size: 13px; margin-bottom: 3px; }
.stat span { font-size: 13.5px; color: var(--ink-soft); word-break: break-word; display: block; }

/* ---------- nav submenu ---------- */
.dropdown { position: relative; }
.dropdown-menu { display: none; position: absolute; top: 100%; left: 0; min-width: 208px; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg); padding: 6px; z-index: 60; }
.dropdown.open .dropdown-menu { display: block; }
.dropdown-menu a { display: block; padding: 9px 12px; border-radius: 8px; font-size: 14px; color: var(--ink-soft); font-weight: 500; }
.dropdown-menu a:hover { background: var(--bg-soft); color: var(--ink); text-decoration: none; }
.dropdown-menu .dd-title { font-size: 11.5px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--ink-faint); padding: 8px 12px 4px; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 40px 0 56px; margin-top: 60px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 34px; justify-content: space-between; }
.footer-col h4 { font-size: 13px; margin: 0 0 10px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-soft); }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 7px; }
.footer-col a { color: var(--ink-soft); font-size: 14px; }
.footer-note { text-align: center; margin-top: 34px; color: var(--ink-faint); font-size: 13px; }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translate(-50%, 24px);
  background: var(--ink); color: #fff; font-size: 14px; padding: 12px 18px; border-radius: 10px;
  box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; z-index: 100; max-width: 90vw;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.ok { background: var(--success); }
.toast.error { background: var(--danger); }

/* ---------- misc ---------- */
.spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.mute { color: var(--ink-faint); }
.small { font-size: 13px; }
.divider { border: none; border-top: 1px solid var(--line); margin: 26px 0; }
.breadcrumb { font-size: 13px; color: var(--ink-faint); margin-bottom: 18px; }
.breadcrumb a { color: var(--ink-soft); }
.strength-meter { display: flex; gap: 5px; margin-top: 8px; }
.strength-meter span { height: 6px; flex: 1; border-radius: 999px; background: var(--line); transition: background .15s; }
.strength-meter span.on-1 { background: var(--danger); }
.strength-meter span.on-2 { background: #f59e0b; }
.strength-meter span.on-3 { background: #84cc16; }
.strength-meter span.on-4, .strength-meter span.on-5 { background: var(--success); }
.strength-label { font-size: 12.5px; font-weight: 600; margin-top: 6px; }
.sl-1 { color: var(--danger); } .sl-2 { color: #b45309; } .sl-3 { color: #65a30d; } .sl-4, .sl-5 { color: var(--success); }
.steps-list { list-style: none; padding: 0; margin: 14px 0 0; }
.steps-list li { display: flex; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; color: var(--ink-soft); }
.steps-list li:last-child { border-bottom: none; }
.steps-list b { color: var(--ink); }
.embargo { display: flex; gap: 10px; align-items: flex-start; background: var(--warn-soft); color: var(--warn); padding: 12px 14px; border-radius: var(--radius-sm); font-size: 13.5px; margin-top: 20px; }
.embargo svg { flex: none; width: 17px; height: 17px; margin-top: 1px; }

@media print { .nav, .footer, .actions, .btn { display: none; } }