/* Internet Transfer Manager — marketing site
   Brand: emerald #10B981 · pro indigo #6366F1 · dark #0F0F12
   Fonts loaded via <link> in each page (Inter + JetBrains Mono). */

:root {
  --bg: #0F0F12;
  --surface: #18181B;
  --elevated: #1F1F23;
  --border: #27272A;
  --primary: #10B981;
  --primary-hover: #0ea472;
  --pro: #6366F1;
  --text: #FAFAFA;
  --text-2: #A1A1AA;
  --text-muted: #71717A;
  --success: #22C55E;
  --warning: #F59E0B;
  --radius: 10px;
  --maxw: 1120px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15,15,18,0.82);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text-2); font-size: 14.5px; font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 22px; cursor: pointer; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: var(--radius);
  font-weight: 600; font-size: 14.5px; cursor: pointer;
  border: 1px solid transparent; transition: background .15s, border-color .15s, transform .05s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #06281c; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--text-muted); }
.btn-pro { background: var(--pro); color: #fff; }
.btn-pro:hover { filter: brightness(1.08); }
.btn-lg { padding: 14px 26px; font-size: 15.5px; }

/* ---------- Hero ---------- */
.hero { padding: 88px 0 72px; text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 50% -10%, rgba(16,185,129,0.18), transparent 70%);
  pointer-events: none;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 999px;
  font-size: 13px; color: var(--text-2); background: var(--surface); margin-bottom: 26px;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); }
.hero h1 {
  font-size: clamp(34px, 6vw, 60px); line-height: 1.05; letter-spacing: -0.02em;
  font-weight: 800; margin-bottom: 22px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--primary), #34d399 60%, var(--pro));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede {
  font-size: clamp(16px, 2.4vw, 20px); color: var(--text-2);
  max-width: 640px; margin: 0 auto 34px;
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--text-muted); }
.hero-note .mono { font-family: var(--mono); color: var(--text-2); }

/* ---------- App mock ---------- */
.mock {
  margin: 56px auto 0; max-width: 900px;
  border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
  background: var(--surface); box-shadow: 0 40px 120px -40px rgba(0,0,0,0.8);
}
.mock-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--elevated); }
.mock-bar .d { width: 11px; height: 11px; border-radius: 50%; }
.mock-bar .d.r { background: #ef4444; } .mock-bar .d.y { background: #f59e0b; } .mock-bar .d.g { background: var(--primary); }
.mock-bar .t { margin-left: 10px; font-size: 12.5px; color: var(--text-muted); font-family: var(--mono); }
.mock-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.row {
  display: grid; grid-template-columns: 34px 1fr auto; gap: 14px; align-items: center;
  padding: 14px 16px; background: var(--elevated); border: 1px solid var(--border); border-radius: var(--radius);
}
.row .ic { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; background: rgba(16,185,129,0.14); color: var(--primary); font-size: 17px; }
.row .name { font-size: 14px; font-weight: 600; }
.row .sub { font-size: 12px; color: var(--text-muted); font-family: var(--mono); margin-top: 2px; }
.row .prog { height: 6px; background: var(--progressTrack, #27272A); border-radius: 4px; margin-top: 8px; overflow: hidden; }
.row .prog > i { display: block; height: 100%; background: var(--primary); border-radius: 4px; }
.row .speed { font-family: var(--mono); font-size: 13px; color: var(--text-2); }

/* ---------- Sections ---------- */
section { padding: 76px 0; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 52px; }
.section-head .eyebrow { color: var(--primary); font-weight: 600; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.section-head h2 { font-size: clamp(26px, 4vw, 38px); letter-spacing: -0.02em; font-weight: 800; margin: 10px 0 14px; }
.section-head p { color: var(--text-2); font-size: 16.5px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 26px;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: #3a3a42; transform: translateY(-2px); }
.card .ic { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; font-size: 20px; margin-bottom: 16px; background: rgba(16,185,129,0.12); color: var(--primary); }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--text-2); font-size: 14.5px; }

/* ---------- How it works ---------- */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; counter-reset: s; }
.step { position: relative; padding: 26px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; }
.step .n { font-family: var(--mono); font-size: 13px; color: var(--primary); font-weight: 700; }
.step h3 { font-size: 16px; margin: 10px 0 8px; }
.step p { color: var(--text-2); font-size: 14px; }

/* ---------- Pricing ---------- */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
.plan {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 26px 22px;
  display: flex; flex-direction: column;
}
.plan.rec { border-color: var(--pro); box-shadow: 0 0 0 1px var(--pro), 0 24px 60px -30px rgba(99,102,241,0.5); }
.plan .tag { align-self: flex-start; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #fff; background: var(--pro); padding: 4px 10px; border-radius: 999px; margin-bottom: 14px; }
.plan h3 { font-size: 16px; color: var(--text-2); font-weight: 600; }
.plan .price { font-family: var(--mono); font-size: 38px; font-weight: 700; margin: 8px 0 2px; letter-spacing: -0.02em; }
.plan .period { color: var(--text-muted); font-size: 13px; font-family: var(--mono); }
.plan ul { list-style: none; margin: 22px 0; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.plan li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text-2); }
.plan li .ck { color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.plan li.off { color: var(--text-muted); }
.plan li.off .ck { color: var(--text-muted); }
.plan .btn { width: 100%; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-inner {
  background: linear-gradient(135deg, rgba(16,185,129,0.12), rgba(99,102,241,0.12));
  border: 1px solid var(--border); border-radius: 20px; padding: 60px 30px;
}
.cta-inner h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 14px; }
.cta-inner p { color: var(--text-2); font-size: 16px; margin-bottom: 28px; }

/* ---------- Legal pages ---------- */
.legal { padding: 60px 0 80px; }
.legal .doc { max-width: 780px; margin: 0 auto; }
.legal h1 { font-size: clamp(30px, 5vw, 42px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; }
.legal .updated { color: var(--text-muted); font-size: 14px; font-family: var(--mono); margin-bottom: 40px; }
.legal h2 { font-size: 22px; font-weight: 700; margin: 40px 0 14px; letter-spacing: -0.01em; }
.legal h3 { font-size: 17px; font-weight: 600; margin: 26px 0 10px; }
.legal p, .legal li { color: var(--text-2); font-size: 15.5px; margin-bottom: 12px; }
.legal ul, .legal ol { margin: 0 0 16px 22px; }
.legal li { margin-bottom: 8px; }
.legal a { color: var(--primary); }
.legal a:hover { text-decoration: underline; }
.legal .callout { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--primary); border-radius: 8px; padding: 16px 20px; margin: 20px 0; }
.legal .callout p:last-child { margin-bottom: 0; }
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; margin-bottom: 40px; }
.toc h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 12px; }
.toc ol { margin: 0 0 0 18px; }
.toc li { margin-bottom: 6px; font-size: 14.5px; }
.toc a { color: var(--text-2); } .toc a:hover { color: var(--primary); }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--border); padding: 54px 0 40px; margin-top: 40px; }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
.foot .brand { margin-bottom: 14px; }
.foot p { color: var(--text-muted); font-size: 14px; max-width: 260px; }
.foot h5 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 14px; }
.foot ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.foot a { color: var(--text-2); font-size: 14px; } .foot a:hover { color: var(--text); }
.foot-base { border-top: 1px solid var(--border); margin-top: 40px; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.foot-base p { color: var(--text-muted); font-size: 13.5px; }
.foot-base .mono { font-family: var(--mono); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid, .steps { grid-template-columns: 1fr 1fr; }
  .plans { grid-template-columns: 1fr 1fr; }
  .foot { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 66px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 18px 24px; gap: 16px;
  }
  .nav-toggle { display: block; }
  .grid, .steps, .plans, .foot { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
  .hero { padding: 60px 0 48px; }
}