:root {
  --primary: #0d9488;
  --primary-hover: #0f766e;
  --primary-light: #ccfbf1;
  --primary-dark: #134e4a;
  --secondary: #6366f1;
  --accent: #f59e0b;
  --success: #16a34a;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;
  --dark: #0b1220;
  --radius: 14px;
  --shadow: 0 1px 2px rgb(15 23 42 / 0.04), 0 8px 24px rgb(15 23 42 / 0.06);
  --shadow-lg: 0 24px 60px -12px rgb(15 23 42 / 0.25);
  --font-head: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Be Vietnam Pro', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font: 400 16px/1.65 var(--font-body);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-head); color: var(--text); margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); font-weight: 800; line-height: 1.08; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.4rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.125rem; font-weight: 700; line-height: 1.35; }
p { margin: 0; }
a { color: var(--primary); }
img, svg { display: block; }

.wrap { width: min(1160px, 100% - 40px); margin-inline: auto; }
.center { text-align: center; margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--text); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 6px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 15px/1 var(--font-head); text-decoration: none;
  padding: 14px 22px; border-radius: 10px; border: 1px solid transparent;
  transition: background-color .15s, border-color .15s, transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px -6px rgb(13 148 136 / .6); }
.btn--primary:hover { background: var(--primary-hover); }
.btn--ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn--ghost:hover { border-color: #cbd5e1; }
.btn--sm { padding: 10px 16px; font-size: 14px; }
.btn--lg { padding: 18px 28px; font-size: 16px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgb(248 250 252 / .85); backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid rgb(226 232 240 / .7); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__mark { width: 32px; height: 32px; }
.brand__name { font: 800 22px/1 var(--font-head); color: var(--text); letter-spacing: -0.03em; }
.nav__links { display: flex; gap: 28px; }
.nav__links a { color: var(--text-2); text-decoration: none; font-weight: 500; font-size: 15px; }
.nav__links a:hover { color: var(--text); }
.nav__actions { display: flex; align-items: center; gap: 12px; }
.lang { display: inline-flex; padding: 3px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface); }
.lang__btn { font: 600 12px/1 var(--font-head); padding: 7px 9px; border: 0; border-radius: 6px; background: transparent; color: var(--text-2); cursor: pointer; }
.lang__btn[aria-pressed="true"] { background: var(--primary-light); color: var(--primary-dark); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 96px; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 900px; height: 900px;
  background: radial-gradient(closest-side, rgb(45 212 191 / .22), transparent 70%);
  pointer-events: none;
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; }
.eyebrow { font: 700 13px/1.4 var(--font-head); letter-spacing: .08em; text-transform: uppercase; color: var(--primary); margin-bottom: 14px; }
.eyebrow--light { color: #5eead4; }
.hero h1 span { display: block; }
.hl { background: linear-gradient(90deg, var(--primary), #14b8a6 40%, var(--secondary)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin-top: 22px; font-size: 1.15rem; color: var(--text-2); max-width: 36em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.ticks { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--text-2); font-size: 14px; font-weight: 500; }
.ticks li { display: flex; align-items: center; gap: 8px; }
.ticks li::before { content: ""; width: 18px; height: 18px; border-radius: 50%; background: var(--primary-light) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230F766E' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/12px no-repeat; }

/* Product mock */
.mock { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow-lg); overflow: hidden; transform: perspective(1600px) rotateY(-6deg) rotateX(2deg); }
.mock__bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--border); background: #f1f5f9; }
.mock__bar i { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.mock__bar i:nth-child(1) { background: #f87171; } .mock__bar i:nth-child(2) { background: #fbbf24; } .mock__bar i:nth-child(3) { background: #34d399; }
.mock__bar span { margin-left: 12px; font-size: 12px; color: var(--text-3); background: var(--surface); border-radius: 6px; padding: 3px 10px; }
.mock__body { display: grid; grid-template-columns: 52px 1fr; }
.mock__side { display: flex; flex-direction: column; gap: 12px; padding: 16px 13px; background: var(--primary-dark); }
.mock__side b { height: 26px; border-radius: 7px; background: rgb(255 255 255 / .12); }
.mock__side b.on { background: #2dd4bf; }
.mock__main { padding: 18px; display: grid; gap: 14px; background: var(--bg); }
.mock__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; display: grid; gap: 2px; }
.kpi small, .mock__chart small { font-size: 11px; color: var(--text-3); font-weight: 500; }
.kpi strong { font: 700 15px/1.3 var(--font-head); white-space: nowrap; }
.kpi em { font-style: normal; font-size: 11px; font-weight: 600; }
.up { color: var(--success); }
.mock__chart { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 110px; margin-top: 10px; }
.bars i { flex: 1; height: 50%; border-radius: 4px 4px 2px 2px; background: linear-gradient(180deg, #2dd4bf, var(--primary)); opacity: .9; }
.bars i:nth-child(1) { height: 38%; } .bars i:nth-child(2) { height: 52%; } .bars i:nth-child(3) { height: 44%; }
.bars i:nth-child(4) { height: 61%; } .bars i:nth-child(5) { height: 57%; } .bars i:nth-child(6) { height: 72%; }
.bars i:nth-child(7) { height: 66%; } .bars i:nth-child(8) { height: 49%; } .bars i:nth-child(9) { height: 63%; }
.bars i:nth-child(10) { height: 70%; } .bars i:nth-child(11) { height: 78%; } .bars i:nth-child(12) { height: 74%; }
.bars i:nth-child(13) { height: 86%; } .bars i:nth-child(14) { height: 94%; background: linear-gradient(180deg, #818cf8, var(--secondary)); }
.mock__list { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.row { display: grid; grid-template-columns: 1fr 1fr auto auto; gap: 10px; align-items: center; padding: 9px 12px; font-size: 12px; color: var(--text-2); }
.row + .row { border-top: 1px solid var(--border); }
.row b { font-family: var(--font-head); color: var(--text); min-width: 78px; text-align: right; }
.pill { font-size: 10.5px; font-weight: 600; padding: 3px 8px; border-radius: 999px; background: #f1f5f9; color: var(--text-2); }
.pill--ok { background: #dcfce7; color: #166534; }
.pill--info { background: #e0e7ff; color: #3730a3; }

/* Sections */
.section { padding: 96px 0; }
.section--alt { background: var(--surface); border-block: 1px solid var(--border); }
.section--dark { background: var(--dark); color: #cbd5e1; }
.section--dark h2, .section--dark h3 { color: #f8fafc; }
.section--dark .sub { color: #94a3b8; }
.sub { margin-top: 14px; font-size: 1.075rem; color: var(--text-2); max-width: 44em; }
.grid { display: grid; gap: 20px; margin-top: 48px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.band { padding: 72px 0; background: var(--surface); border-block: 1px solid var(--border); }
.problem { padding: 8px 4px; }
.problem__n { font: 800 14px/1 var(--font-head); color: var(--primary); }
.problem h3 { margin: 12px 0 8px; }
.problem p { color: var(--text-2); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s, border-color .2s; }
.card:hover { transform: translateY(-3px); border-color: #99f6e4; }
.card__icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--primary-light); margin-bottom: 18px; }
.card__icon svg { width: 22px; height: 22px; fill: none; stroke: var(--primary-hover); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card p { margin-top: 10px; color: var(--text-2); font-size: 15px; }

.steps { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: s; }
.steps li { position: relative; padding: 28px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border); }
.steps__n { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; font: 800 15px/1 var(--font-head); margin-bottom: 16px; }
.steps p { margin-top: 8px; color: var(--text-2); font-size: 15px; }

.trust { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: start; }
.trust__list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.trust__list li { display: grid; gap: 6px; padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; border-left: 3px solid var(--primary); }
.trust__list strong { font: 700 15px/1.35 var(--font-head); }
.trust__list span { color: var(--text-2); font-size: 14.5px; }

.road__item { padding: 28px; border-radius: var(--radius); background: rgb(255 255 255 / .04); border: 1px solid rgb(255 255 255 / .09); }
.road__item h3 { margin-top: 14px; }
.road__item p { margin-top: 8px; color: #94a3b8; font-size: 15px; }
.tag { display: inline-block; font: 700 11px/1 var(--font-head); letter-spacing: .06em; text-transform: uppercase; padding: 6px 9px; border-radius: 6px; color: #5eead4; background: rgb(45 212 191 / .12); }

.about { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.about p { color: var(--text-2); font-size: 1.075rem; }
.about p + p { margin-top: 16px; }

.cta { text-align: center; display: grid; justify-items: center; }
.cta .sub { margin-bottom: 32px; }

.footer { padding: 32px 0; border-top: 1px solid var(--border); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand--footer .brand__mark { width: 26px; height: 26px; }
.brand--footer .brand__name { font-size: 18px; }
.footer__meta { color: var(--text-2); font-size: 14px; }
.footer__meta a { color: var(--text-2); }

/* Responsive */
@media (max-width: 980px) {
  .nav__links { display: none; }
  .hero { padding: 48px 0 72px; }
  .hero__inner, .trust, .about { grid-template-columns: 1fr; gap: 40px; }
  .mock { transform: none; }
  .grid--3, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .grid--3, .grid--2, .steps, .trust__list { grid-template-columns: 1fr; }
  .nav__actions .btn { display: none; }
  .mock__kpis { grid-template-columns: 1fr 1fr; }
  .mock__kpis .kpi:last-child { display: none; }
  .row { grid-template-columns: 1fr auto auto; }
  .row span:nth-child(2) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}