/* ---- Base (Light) ---- */
:root {
  --bg: #ffffff;
  --surface: #f7f9fc;
  --text: #0e1117;
  --muted: #4b5565;
  --primary: #0B6BFF;
  --accent: #14b8a6;
  --ring: rgba(11, 107, 255, 0.25);
  --radius: 14px;
  --shadow: 0 20px 50px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color: var(--text);
  background:
    radial-gradient(1400px 700px at 10% -10%, rgba(11,107,255,.06), transparent 60%),
    radial-gradient(1000px 600px at 110% 10%, rgba(20,184,166,.06), transparent 55%),
    var(--bg);
  line-height: 1.6;
}

/* A11y */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 1px, 1px);
  border: 0;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 16px 20px;
  background: rgba(255,255,255,.7);
  border-bottom: 1px solid rgba(15, 23, 42, .06);
  backdrop-filter: blur(8px);
}
.site-header[data-scrolled="true"] { box-shadow: var(--shadow); }

.brand { display:flex; gap:10px; align-items:center; text-decoration:none; color:var(--text); font-weight:700; letter-spacing:.3px; }
.brand img { filter: drop-shadow(0 6px 16px rgba(11,107,255,.25)); }

.nav-list { display:flex; gap: 18px; align-items:center; list-style:none; margin:0; padding:0; }
.nav-list a { color: var(--text); text-decoration:none; opacity:.8; }
.nav-list a:hover { opacity:1; }
.nav-toggle { display:none; border:1px solid rgba(15, 23, 42, .12); background:transparent; color:var(--text); border-radius:10px; padding:8px 10px; }

.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  border-radius: 999px; padding: 10px 16px; text-decoration:none; cursor:pointer;
  font-weight:600; border: 1px solid rgba(15, 23, 42, .12);
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn--primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn--ghost { color: var(--text); background: #fff; }
.btn:hover { transform: translateY(-1px); }

/* Hero */
.hero {
  display:grid; grid-template-columns: 1.05fr .95fr; gap: 28px;
  padding: clamp(36px, 6vw, 80px) 20px;
  align-items:center;
}
.hero__content h1 {
  font-size: clamp(28px, 3.6vw, 56px);
  line-height: 1.07;
  margin: 0 0 12px;
}
.gradient {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__content p { color: var(--muted); max-width: 62ch; margin: 0 0 18px; }
.badges { display:flex; flex-wrap:wrap; gap:10px; padding:0; margin: 10px 0 0; list-style:none; }
.badges li { border:1px solid rgba(15, 23, 42, .12); border-radius:999px; padding:6px 10px; font-size:12px; color: var(--muted); background: #fff; }

.hero__visual { position:relative; min-height: 320px; }
.dots {
  position:absolute; inset: 8% 6% 8% 6%; border-radius: var(--radius);
  background:
    radial-gradient(circle at 10% 20%, rgba(11,107,255,.15) 2px, transparent 3px) 0 0/28px 28px,
    radial-gradient(circle at 70% 60%, rgba(20,184,166,.15) 2px, transparent 3px) 12px 12px/28px 28px,
    linear-gradient(#ffffff, #ffffff);
  border: 1px solid rgba(15, 23, 42, .08);
}
.hero__visual .card {
  position:absolute; right: -6px; bottom: -12px; left: -6px;
  max-width: 560px; margin:auto; padding: 14px 16px; background: #fff;
  border: 1px solid rgba(15, 23, 42, .10); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero__visual pre { margin:0; font-size: 12px; color: #0f172a; overflow:auto; }

/* Sections */
.section { padding: clamp(40px, 6vw, 90px) 20px; }
.section--alt { background: linear-gradient(180deg, rgba(15, 23, 42, .04), transparent 30%); }
.section__head { display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin: 0 0 20px; }
.section__head h2 { font-size: clamp(22px, 2.5vw, 36px); margin: 0; }
.section__head p { color: var(--muted); margin: 0; }

.cards {
  display:grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px; margin-top: 20px;
}
.card {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, .10);
  border-radius: var(--radius); padding: 18px;
  transition: transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 0 0 rgba(0,0,0,0);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card h3 { margin: 0 0 8px; }
.card p { margin: 0 0 10px; color: var(--muted); }
.checklist { list-style: none; padding:0; margin:0; }
.checklist li { padding-left: 20px; position: relative; margin: 6px 0; }
.checklist li::before { content: "✓"; position:absolute; left: 0; top: 0; color: var(--primary); }

/* Cases */
.cases {
  display:grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.case {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, .10);
  border-radius: var(--radius); padding: 18px;
  box-shadow: 0 0 0 rgba(0,0,0,0);
}
.case:hover { box-shadow: var(--shadow); transform: translateY(-3px); }

/* About */
.about { display:grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.about__copy p { color: var(--muted); }
.ticks { list-style: none; padding: 0; }
.ticks li { padding-left: 20px; position: relative; margin: 6px 0; }
.ticks li::before { content: "•"; position:absolute; left: 0; top: 0; color: var(--accent); }

.about__card {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, .10);
  border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow);
}

/* Trust */
.trust { padding: 20px; border-top: 1px solid rgba(15, 23, 42, .08); border-bottom: 1px solid rgba(15, 23, 42, .08); }
.trust p { margin: 0 0 10px; color: var(--muted); text-align:center; }
.logos { display:flex; flex-wrap:wrap; gap: 10px; justify-content:center; }
.logo-pill { border:1px dashed rgba(15, 23, 42, .25); border-radius: 999px; padding: 6px 10px; color: var(--muted); font-size: 12px; background: #fff; }

/* FAQ */
.faq { border: 1px solid rgba(15, 23, 42, .10); border-radius: var(--radius); padding: 14px; margin: 10px 0; background:#fff; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq__content { color: var(--muted); margin-top: 8px; }

/* Contact */
.contact .form {
  max-width: 880px; margin: 0 auto;
  display:flex; flex-direction: column; gap: 14px;
}
.form__row { display:grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display:flex; flex-direction:column; gap: 8px; font-weight: 600; }
input, select, textarea {
  background: #fff;
  color: var(--text);
  border: 1px solid rgba(15, 23, 42, .15);
  border-radius: 12px; padding: 12px 14px; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 6px rgba(11,107,255,.08); }

.form__actions { display:flex; align-items:center; gap: 12px; }
.fine { color: var(--muted); font-size: 14px; }

/* Footer */
.footer { padding: 40px 20px; border-top: 1px solid rgba(15, 23, 42, .08); background: #fff; }
.footer__cols { display:grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 16px; }
.footer h4 { margin: 0 0 8px; }
.footer p, .footer a, .footer li { color: var(--muted); }
.footer ul { list-style:none; padding:0; margin:0; display:grid; gap: 6px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--text); }
.copyright { text-align:center; margin-top: 18px; color: var(--muted); font-size: 14px; }

/* Toast */
.toast {
  position: fixed; inset: auto 20px 20px auto;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, .12);
  border-radius: var(--radius);
  padding: 10px 12px; font-size: 14px; color: var(--muted);
  opacity: 0; transform: translateY(6px); pointer-events:none;
  transition: opacity .2s ease, transform .2s ease;
}
.toast[data-show="true"] { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; }
  .cards, .cases { grid-template-columns: 1fr 1fr; }
  .footer__cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-toggle { display:block; }
  .nav-list { display:none; position: absolute; right: 20px; top: 60px; background: #fff; border: 1px solid rgba(15, 23, 42, .12); border-radius: 12px; padding: 10px; }
  .nav-list[data-open="true"] { display:flex; flex-direction:column; }
  .form__row { grid-template-columns: 1fr; }
  .cards, .cases { grid-template-columns: 1fr; }
  .footer__cols { grid-template-columns: 1fr; }
}