/* ============================================================
   MiniPM — en.e-43.com shared styles
   Design language ported from MiniPM promo card HTML sources
   Deep navy gradient + grid overlay + blue/green gradient accents
   ============================================================ */

:root {
  /* Backgrounds */
  --bg-deep: #0a1626;
  --bg-mid: #0e2244;
  --bg-soft: #0a1a33;
  --bg-panel: rgba(255, 255, 255, 0.045);
  --bg-panel-2: rgba(255, 255, 255, 0.07);

  /* Ink */
  --ink: #f4f8ff;
  --ink-2: #c9d9f2;
  --ink-3: #a9bedc;
  --ink-4: #8fa8c9;
  --ink-5: #9fc4f5;

  /* Accents */
  --a-blue: #5db2ff;
  --a-green: #7cf2c8;
  --a-blue-deep: #2f7fe0;
  --a-green-deep: #35b98f;
  --grad-text: linear-gradient(92deg, #5db2ff 0%, #7cf2c8 100%);
  --grad-cta: linear-gradient(92deg, #2f7fe0, #35b98f);

  /* Lines */
  --line: rgba(122, 180, 255, 0.26);
  --line-strong: rgba(122, 180, 255, 0.45);

  /* Feedback */
  --amber: #ffce7a;
  --coral: #ff9d9d;
  --ok: #7cf2c8;

  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;

  --shadow-cta: 0 10px 34px rgba(53, 148, 214, 0.4);
  --shadow-card: 0 18px 50px rgba(2, 10, 24, 0.45);

  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --maxw: 1180px;
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1100px 700px at 85% -5%, rgba(77, 163, 255, 0.22), transparent 60%),
    radial-gradient(900px 620px at -10% 105%, rgba(124, 242, 200, 0.12), transparent 55%),
    linear-gradient(160deg, #0a1626 0%, #0e2244 55%, #0a1a33 100%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
svg { max-width: 100%; vertical-align: middle; }
a { color: var(--a-blue); text-decoration: none; }
a:hover { color: var(--a-green); }
ul, ol { list-style: none; }
button { font-family: inherit; }

::selection { background: rgba(93, 178, 255, 0.35); }

:focus-visible {
  outline: 2px solid var(--a-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout ---------- */
.container { width: min(var(--maxw), calc(100% - 48px)); margin: 0 auto; }
.section { padding: 88px 0; position: relative; }
.section-tight { padding: 56px 0; }
.section + .section { border-top: 1px solid rgba(122, 180, 255, 0.1); }
.center { text-align: center; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.4px; font-weight: 800; }
h1 { font-size: clamp(38px, 5vw, 62px); }
h2 { font-size: clamp(27px, 3.2vw, 40px); }
h3 { font-size: 21px; font-weight: 700; letter-spacing: 0; }
h4 { font-size: 17px; font-weight: 700; letter-spacing: 0; }

.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); font-weight: 400; }
.muted { color: var(--ink-4); }
.small { font-size: 14px; }
.tiny { font-size: 12.5px; }
.text-grad {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.accent-blue { color: var(--a-blue); }
.accent-green { color: var(--a-green); }
.amber { color: var(--amber); }
.coral { color: var(--coral); }

.section-head { max-width: 780px; margin-bottom: 46px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head p { margin-top: 14px; color: var(--ink-3); font-size: 17px; }

/* ---------- Chip / eyebrow ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--ink-5);
  white-space: nowrap;
}
.chip .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--a-green);
  box-shadow: 0 0 12px var(--a-green);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.3px;
  border: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-cta);
  color: #fff;
  box-shadow: var(--shadow-cta);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(53, 148, 214, 0.55); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { border-color: var(--a-green); color: var(--a-green); transform: translateY(-2px); }
.btn-wa { background: #25d366; color: #06281a; }
.btn-wa:hover { transform: translateY(-2px); color: #06281a; box-shadow: 0 12px 30px rgba(37, 211, 102, 0.35); }
.btn-sm { padding: 10px 20px; font-size: 14.5px; }
.btn-lg { padding: 17px 36px; font-size: 17px; }
.btn .ico { width: 18px; height: 18px; }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-row.center { justify-content: center; }

/* ---------- Icons ---------- */
.ico { width: 22px; height: 22px; flex: 0 0 auto; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ico-sm { width: 17px; height: 17px; }
.ico-fill { fill: currentColor; stroke: none; }
.ico-box {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(93, 178, 255, 0.18), rgba(124, 242, 200, 0.14));
  border: 1px solid var(--line);
  color: var(--a-blue);
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--line-strong); background: var(--bg-panel-2); }
.card h3 { margin-top: 18px; }
.card p { margin-top: 10px; color: var(--ink-3); font-size: 15px; }
.card .card-cta { margin-top: 16px; font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.card .card-cta .ico { width: 16px; height: 16px; }
.card-quiet { background: rgba(255, 255, 255, 0.028); }

.card ul.ticks { margin-top: 14px; display: grid; gap: 9px; }
.ticks li {
  position: relative;
  padding-left: 26px;
  color: var(--ink-2);
  font-size: 15px;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 14px; height: 8px;
  border-left: 2px solid var(--a-green);
  border-bottom: 2px solid var(--a-green);
  transform: rotate(-45deg);
}
.ticks.muted li { color: var(--ink-4); }
.ticks.cross li::before {
  border: none;
  width: 12px; height: 12px;
  top: 8px;
  background:
    linear-gradient(45deg, transparent 44%, var(--coral) 44%, var(--coral) 56%, transparent 56%),
    linear-gradient(-45deg, transparent 44%, var(--coral) 44%, var(--coral) 56%, transparent 56%);
}

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 44px; }
.stat {
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  text-align: center;
}
.stat .num {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -1px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat .lbl { margin-top: 8px; font-size: 14px; color: var(--ink-4); line-height: 1.45; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.steps.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.step {
  padding: 28px 18px 24px;
  border-radius: 20px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.step .num {
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(93, 178, 255, 0.45), rgba(124, 242, 200, 0.35));
  color: #eaf6ff;
  font-size: 19px; font-weight: 800;
}
.step h3 { margin-top: 16px; font-size: 18px; }
.step p { margin-top: 8px; font-size: 14px; color: var(--ink-4); line-height: 1.5; }

/* ---------- Bands / callouts ---------- */
.band {
  padding: 34px 38px;
  border-radius: var(--radius-lg);
  background: linear-gradient(92deg, rgba(47, 127, 224, 0.24), rgba(53, 185, 143, 0.2));
  border: 1px solid rgba(124, 242, 200, 0.45);
}
.band h3 { font-size: clamp(20px, 2.2vw, 27px); }
.band p { margin-top: 8px; color: var(--ink-2); font-size: 16px; }

.callout {
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 206, 122, 0.08);
  border: 1px solid rgba(255, 206, 122, 0.35);
  color: var(--ink-2);
  font-size: 15px;
}
.callout strong { color: var(--amber); }

.quote {
  border-left: 3px solid var(--a-green);
  padding: 6px 0 6px 22px;
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--bg-panel); }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { padding: 15px 18px; text-align: left; font-size: 15px; border-bottom: 1px solid rgba(122, 180, 255, 0.14); vertical-align: top; }
thead th { font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ink-5); background: rgba(255, 255, 255, 0.035); }
tbody tr:last-child td { border-bottom: none; }
tbody th { font-weight: 600; color: var(--ink-2); }
td .yes { color: var(--a-green); font-weight: 700; }
td .no { color: var(--ink-4); }

/* ---------- Hero ---------- */
.hero { padding: 108px 0 72px; position: relative; overflow: hidden; }
.hero .grid-overlay,
.page-hero .grid-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 170, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(900px 700px at 60% 15%, #000 30%, transparent 75%);
  mask-image: radial-gradient(900px 700px at 60% 15%, #000 30%, transparent 75%);
}
.hero .container, .page-hero .container { position: relative; }
.hero h1 { margin-top: 26px; max-width: 900px; }
.hero .lead { margin-top: 22px; max-width: 720px; }
.hero .btn-row { margin-top: 34px; }
.hero-note { margin-top: 18px; color: var(--ink-4); font-size: 14px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.page-hero { padding: 96px 0 56px; position: relative; overflow: hidden; }
.page-hero h1 { margin-top: 24px; max-width: 860px; font-size: clamp(32px, 4.2vw, 52px); }
.page-hero .lead { margin-top: 18px; max-width: 760px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(10, 22, 38, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(122, 180, 255, 0.14);
  transition: background 0.25s ease;
}
.site-header.scrolled { background: rgba(9, 19, 34, 0.92); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 26px; width: min(var(--maxw), calc(100% - 48px)); margin: 0 auto; }

.wordmark { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; color: var(--ink); }
.wordmark span {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { color: var(--ink-2); font-size: 15.5px; font-weight: 600; }
.nav-links a:hover { color: var(--a-green); }
.nav-links a.active { color: var(--a-blue); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  background: transparent; border: 1px solid var(--line-strong);
  border-radius: 10px; width: 42px; height: 42px;
  color: var(--ink); cursor: pointer;
  align-items: center; justify-content: center;
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.show { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card, .btn { transition: none; }
}

/* ---------- Video ---------- */
.video-frame {
  max-width: 860px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: rgba(255, 255, 255, 0.03);
}
.video-frame video { width: 100%; height: auto; }

/* ---------- Form ---------- */
.form { display: grid; gap: 18px; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.field label .req { color: var(--coral); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
  color: var(--ink);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.18s ease, background 0.18s ease;
}
.field input::placeholder, .field textarea::placeholder { color: #6d84a6; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--a-blue);
  background: rgba(255, 255, 255, 0.07);
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-4) 50%), linear-gradient(135deg, var(--ink-4) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.field select option { color: #0a1626; background: #fff; }
.form-status { display: none; padding: 14px 18px; border-radius: var(--radius-sm); font-size: 15px; }
.form-status.ok { display: block; background: rgba(124, 242, 200, 0.1); border: 1px solid rgba(124, 242, 200, 0.5); color: var(--ok); }
.form-status.err { display: block; background: rgba(255, 157, 157, 0.08); border: 1px solid rgba(255, 157, 157, 0.45); color: var(--coral); }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Channel list (contact page) ---------- */
.channels { display: grid; gap: 14px; }
.channel {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  border: 1px solid var(--line);
}
.channel .ico-box { width: 42px; height: 42px; border-radius: 12px; }
.channel h4 { font-size: 15.5px; }
.channel p { font-size: 14px; color: var(--ink-4); margin-top: 3px; }
.channel a { font-size: 15px; font-weight: 600; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 14px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  padding: 0 22px;
  transition: border-color 0.2s ease;
}
.faq details[open] { border-color: var(--line-strong); }
.faq summary {
  cursor: pointer;
  padding: 19px 0;
  font-weight: 700;
  font-size: 16.5px;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--a-blue);
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details .faq-body { padding: 0 0 20px; color: var(--ink-3); font-size: 15px; }
.faq details .faq-body p + p { margin-top: 10px; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; border-top: 1px solid rgba(122, 180, 255, 0.12); }
.cta-band .container { position: relative; }
.cta-band .band { padding: 52px 48px; display: flex; align-items: center; justify-content: space-between; gap: 34px; flex-wrap: wrap; }
.cta-band h2 { font-size: clamp(24px, 2.8vw, 34px); max-width: 620px; }
.cta-band p { margin-top: 10px; color: var(--ink-2); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid rgba(122, 180, 255, 0.14);
  background: rgba(7, 15, 29, 0.6);
  padding: 64px 0 34px;
  font-size: 14.5px;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; }
.footer-brand p { margin-top: 14px; color: var(--ink-4); max-width: 320px; }
.footer-col h4 { font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--ink-5); margin-bottom: 18px; font-weight: 700; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { color: var(--ink-3); }
.footer-col a:hover { color: var(--a-green); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink-3); }
.footer-contact .ico { width: 16px; height: 16px; margin-top: 4px; color: var(--ink-5); }
.footer-bottom {
  margin-top: 52px; padding-top: 24px;
  border-top: 1px solid rgba(122, 180, 255, 0.12);
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  color: var(--ink-4); font-size: 13.5px;
}
.footer-bottom a { color: var(--ink-4); }
.footer-bottom a:hover { color: var(--a-green); }

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 90;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25d366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.42);
  transition: transform 0.2s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Tag row ---------- */
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.tag-row .tag {
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink-5);
  font-size: 13.5px;
  letter-spacing: 1px;
  background: rgba(255, 255, 255, 0.03);
}
.tag-row .tag.hot { color: var(--a-green); border-color: rgba(124, 242, 200, 0.5); }

/* ---------- Dashboard mock (hero visual) ---------- */
.mock {
  margin-top: 54px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(8, 18, 34, 0.7);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.mock-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 13px 18px;
  border-bottom: 1px solid rgba(122, 180, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
}
.mock-bar i { width: 11px; height: 11px; border-radius: 50%; background: rgba(255, 255, 255, 0.16); }
.mock-bar i:first-child { background: rgba(255, 157, 157, 0.7); }
.mock-bar i:nth-child(2) { background: rgba(255, 206, 122, 0.7); }
.mock-bar i:nth-child(3) { background: rgba(124, 242, 200, 0.7); }
.mock-bar span { margin-left: auto; font-size: 12.5px; color: var(--ink-4); letter-spacing: 1px; }
.mock-body { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 20px; }
.mock-col { background: rgba(255, 255, 255, 0.035); border: 1px solid rgba(122, 180, 255, 0.16); border-radius: 14px; padding: 14px; }
.mock-col h5 { font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ink-5); font-weight: 700; margin-bottom: 12px; }
.mock-card { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(122, 180, 255, 0.16); border-radius: 10px; padding: 11px 12px; margin-bottom: 10px; }
.mock-card:last-child { margin-bottom: 0; }
.mock-card .t { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.mock-card .bar { height: 6px; border-radius: 99px; margin-top: 9px; background: rgba(255, 255, 255, 0.09); overflow: hidden; }
.mock-card .bar i { display: block; height: 100%; border-radius: 99px; background: var(--grad-cta); }
.mock-card .bar.w60 i { width: 60%; }
.mock-card .bar.w85 i { width: 85%; }
.mock-card .bar.w35 i { width: 35%; }
.mock-card .tag { display: inline-block; margin-top: 9px; font-size: 11px; padding: 2px 9px; border-radius: 99px; border: 1px solid var(--line-strong); color: var(--ink-5); }
.mock-card .tag.ai { color: var(--a-green); border-color: rgba(124, 242, 200, 0.5); }

/* ---------- Split layout ---------- */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 54px; align-items: center; }
.split.flip { grid-template-columns: 0.95fr 1.05fr; }
.split .split-copy h2 { max-width: 520px; }
.split .split-copy p { margin-top: 16px; color: var(--ink-3); font-size: 16.5px; }

/* ---------- Checklist (guide-style content) ---------- */
.flow-inline { display: grid; gap: 12px; margin-top: 22px; }
.flow-inline .fi {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  border: 1px solid var(--line);
}
.flow-inline .fi .num {
  width: 34px; height: 34px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(93, 178, 255, 0.4), rgba(124, 242, 200, 0.3));
  font-size: 14px; font-weight: 800; color: #eaf6ff;
}
.flow-inline .fi h4 { font-size: 16px; }
.flow-inline .fi p { margin-top: 4px; font-size: 14px; color: var(--ink-4); }

/* ---------- 404 ---------- */
.nf-wrap { min-height: 62vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 140px 0 80px; }
.nf-wrap .code { font-size: clamp(64px, 12vw, 130px); font-weight: 800; letter-spacing: -4px; }
.nf-wrap p { margin-top: 14px; color: var(--ink-3); }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .steps.four { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .split, .split.flip { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(9, 19, 34, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 10px 24px 22px;
  }
  .nav-links a { padding: 13px 0; width: 100%; border-bottom: 1px solid rgba(122, 180, 255, 0.1); font-size: 17px; }
  body.nav-open .nav-links { display: flex; }
  .nav-toggle { display: inline-flex; }
  .nav-cta .btn { display: none; }
  .nav-cta .btn.header-cta { display: inline-flex; }
  .section { padding: 64px 0; }
  .hero { padding: 92px 0 54px; }
}

@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .form .row2 { grid-template-columns: 1fr; }
  .cta-band .band { padding: 38px 28px; }
  .band { padding: 26px 24px; }
  .mock-body { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat { padding: 20px 14px; }
}

@media (max-width: 640px) {
  .chip { white-space: normal; text-align: center; letter-spacing: 2px; font-size: 11.5px; line-height: 1.7; }
  .btn { white-space: normal; text-align: center; }
  .btn-lg { padding: 15px 24px; font-size: 15.5px; }
  .wordmark { font-size: 21px; }
  .header-inner { gap: 12px; }
  .nav-cta { gap: 8px; }
  .nav-cta .btn.header-cta { padding: 9px 14px; font-size: 13.5px; }
  .quote { font-size: 19px; }
  .container { width: calc(100% - 36px); }
}