:root {
  --bg: #ffffff;
  --surface: #f5f7fa;
  --card: #ffffff;
  --line: #e2e7ee;
  --text: #0f1e33;
  --muted: #5b6778;
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --good: #15803d;
  --good-soft: #e7f5ec;
  --bad: #b42318;
  --bad-soft: #fdecea;
  --display: "Plus Jakarta Sans", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --max: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--display); line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { color: var(--muted); }
.accent { color: var(--primary); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
section { padding: 88px 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head p { margin-top: 14px; font-size: 1.08rem; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.97rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  cursor: pointer;
  border: 0;
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(29, 78, 216, 0.2); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); background: #fff; }
.btn-ghost:hover { background: var(--surface); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 1.25rem; }
.logo img { width: 34px; height: 34px; }
.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; }
.nav-links a { font-size: 0.94rem; color: var(--muted); transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-phone { font-size: 0.92rem; color: var(--text); font-weight: 500; }
.nav-cta .btn { padding: 10px 18px; font-size: 0.9rem; }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 8px 12px; font-size: 0.9rem; cursor: pointer; font-family: inherit; }
.mobile-menu { display: none; border-top: 1px solid var(--line); padding: 16px 20px 24px; }
.mobile-menu a { display: block; padding: 12px 0; color: var(--text); border-bottom: 1px solid var(--line); }
.mobile-menu .btn { margin-top: 16px; width: 100%; }
.mobile-menu.open { display: block; }

/* Hero */
.hero { position: relative; padding: 96px 0 88px; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 55% at 75% 30%, rgba(29, 78, 216, 0.07), transparent 65%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero h1 { margin: 6px 0 22px; }
.hero-lead { font-size: 1.15rem; max-width: 580px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; list-style: none; }
.hero-points li { font-size: 0.9rem; color: var(--text); display: flex; align-items: center; gap: 8px; }
.hero-points li::before { content: "✓"; color: var(--primary); font-weight: 700; }

.status-card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 26px; box-shadow: 0 20px 50px rgba(15, 30, 51, 0.08); }
.status-card h3 { font-size: 1rem; margin-bottom: 4px; }
.status-card .small { font-size: 0.82rem; color: var(--muted); margin-bottom: 20px; }
.status-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 0; border-top: 1px solid var(--line); font-size: 0.92rem; }
.pill { font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.pill-bad { background: var(--bad-soft); color: var(--bad); }
.pill-good { background: var(--good-soft); color: var(--good); }
.status-arrow { text-align: center; color: var(--good); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 14px 0 6px; }

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 30px; }
.card h3 { margin: 14px 0 10px; }
.card .icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: rgba(29, 78, 216, 0.07); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-weight: 700; font-size: 1.1rem;
}
.card.featured { border-color: rgba(29, 78, 216, 0.35); background: linear-gradient(180deg, rgba(29, 78, 216, 0.04), var(--card) 60%); }
.tag { display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: #fff; background: var(--primary); padding: 3px 10px; border-radius: 999px; margin-left: 8px; vertical-align: middle; }
.check-list { list-style: none; margin-top: 16px; }
.check-list li { position: relative; padding-left: 26px; margin: 9px 0; color: var(--text); font-size: 0.95rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.more-line { margin-top: 28px; text-align: center; font-size: 0.97rem; }
.more-line a { color: var(--primary); font-weight: 600; }

/* Problems list */
.problems { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.problem { display: flex; gap: 14px; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; }
.problem .x { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--bad-soft); color: var(--bad); display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; margin-top: 2px; }
.problem strong { display: block; color: var(--text); font-weight: 600; }
.problem span { color: var(--muted); font-size: 0.92rem; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px; }
.step .num { font-family: var(--display); font-size: 2rem; font-weight: 700; color: var(--primary); }
.step h3 { margin: 10px 0 8px; }
.step p { font-size: 0.94rem; }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq summary { cursor: pointer; list-style: none; font-weight: 600; font-size: 1.05rem; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--primary); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin-top: 12px; }

/* CTA band */
.cta-band { text-align: center; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 70% at 50% 100%, rgba(29, 78, 216, 0.07), transparent 65%); pointer-events: none; }
.cta-band .container { position: relative; }
.cta-band p { max-width: 600px; margin: 16px auto 30px; font-size: 1.08rem; }
.cta-band .contact-inline { margin-top: 22px; font-size: 0.95rem; }
.cta-band .contact-inline a { color: var(--text); }

/* Page header (inner pages) */
.page-hero { padding: 80px 0 40px; }
.page-hero p { max-width: 680px; margin-top: 16px; font-size: 1.12rem; }

/* Service detail */
.service { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; padding: 48px 0; border-top: 1px solid var(--line); }
.service:first-child { border-top: 0; }
.service h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 6px; }
.service p { margin-top: 12px; }

/* About */
.founder { display: grid; grid-template-columns: 220px 1fr; gap: 40px; align-items: start; }
.avatar { width: 220px; height: 220px; border-radius: 24px; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--display); font-size: 4rem; font-weight: 700; }
.founder p { margin-top: 14px; }
.founder .role { color: var(--primary); font-weight: 600; margin-top: 4px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.info-list { list-style: none; margin-top: 28px; }
.info-list li { padding: 16px 0; border-top: 1px solid var(--line); }
.info-list .label { display: block; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.info-list a, .info-list .val { color: var(--text); font-weight: 500; }
.info-list a:hover { color: var(--primary); }
.form { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.88rem; font-weight: 500; margin-bottom: 8px; color: var(--text); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 0.95rem; color: var(--text);
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 13px 15px; outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12); }
.field textarea { min-height: 120px; resize: vertical; }
.form .btn { width: 100%; }
.form-note { font-size: 0.85rem; margin-top: 14px; text-align: center; }
.form-status { margin-top: 14px; font-size: 0.95rem; text-align: center; }
.form-status.ok { color: var(--good); }
.form-status.err { color: var(--bad); }

/* Legal */
.legal { max-width: 760px; }
.legal h2 { font-size: 1.3rem; margin: 36px 0 10px; }
.legal p { margin-bottom: 10px; }
.legal a { color: var(--primary); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 64px 0 32px; background: var(--surface); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-grid h4 { font-family: var(--display); font-size: 0.95rem; margin-bottom: 14px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin: 8px 0; font-size: 0.92rem; color: var(--muted); }
.footer-grid li a:hover { color: var(--text); }
.footer-about p { margin-top: 14px; font-size: 0.92rem; max-width: 300px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.82rem; color: var(--muted); }
.disclaimer { margin-top: 16px; font-size: 0.78rem; color: var(--muted); }

/* Responsive */
@media (max-width: 960px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: block; }
  .hero-grid, .service, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .grid-3, .steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  section { padding: 64px 0; }
  .container { padding: 0 16px; }
  .hero { padding: 56px 0 64px; }
  .grid-3, .grid-2, .steps, .problems, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .founder { grid-template-columns: 1fr; }
  .avatar { width: 140px; height: 140px; font-size: 2.6rem; }
  .card, .form { padding: 24px; }
  .hero-actions .btn { width: 100%; }
}
