:root {
  --ink: #121820;
  --muted: #5d6875;
  --paper: #f5f2ec;
  --white: #fff;
  --line: #d9d5cd;
  --green: #008c78;
  --green-dark: #006957;
  --green-soft: #dff3ed;
  --orange: #f06d3a;
  --orange-soft: #ffe9df;
  --navy: #101d2c;
  --shadow: 0 18px 55px rgba(16, 29, 44, .1);
  --radius: 22px;
  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  transform: translateY(-160%);
  background: var(--white);
  border-radius: 10px;
}

.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(18, 24, 32, .08);
  background: rgba(245, 242, 236, .92);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  line-height: 1;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: end;
  gap: 3px;
  padding: 8px;
  color: var(--white);
  background: var(--navy);
  border-radius: 13px;
}

.brand-mark i {
  display: block;
  background: currentColor;
  border-radius: 3px 3px 1px 1px;
}

.brand-mark i:nth-child(1) { height: 45%; opacity: .55; }
.brand-mark i:nth-child(2) { height: 72%; opacity: .75; }
.brand-mark i:nth-child(3) { height: 100%; background: var(--orange); }

.brand b { display: block; font-size: 15px; letter-spacing: .06em; }
.brand small { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; letter-spacing: .18em; }

.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a { color: #394451; font-size: 14px; font-weight: 650; text-decoration: none; }
.site-nav a:hover { color: var(--green-dark); }

.header-badge {
  padding: 8px 12px;
  color: var(--green-dark) !important;
  border: 1px solid rgba(0, 140, 120, .25);
  background: var(--green-soft);
  border-radius: 999px;
}

.menu-button {
  width: 44px;
  height: 44px;
  display: none;
  place-items: center;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.menu-button span,
.menu-button span::before,
.menu-button span::after {
  width: 18px;
  height: 2px;
  display: block;
  background: currentColor;
  content: "";
}

.menu-button span::before { transform: translateY(-6px); }
.menu-button span::after { transform: translateY(4px); }

.hero {
  position: relative;
  overflow: hidden;
  padding: 104px 0 88px;
}

.hero::before {
  position: absolute;
  width: 600px;
  height: 600px;
  right: -260px;
  top: -260px;
  border: 1px solid rgba(0, 140, 120, .16);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(0, 140, 120, .035), 0 0 0 150px rgba(0, 140, 120, .025);
  content: "";
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(330px, .72fr);
  align-items: center;
  gap: 70px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(45px, 6.3vw, 82px);
  line-height: .98;
  letter-spacing: -.055em;
}

.accent { color: var(--green); }

.hero-copy > p:not(.eyebrow) {
  max-width: 670px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 21px);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 750;
  text-decoration: none;
}

.button-primary { color: var(--white); background: var(--orange); box-shadow: 0 12px 28px rgba(240, 109, 58, .2); }
.button-primary:hover { background: #d95b2b; }
.button-secondary { border-color: var(--line); background: rgba(255, 255, 255, .55); }
.button-secondary:hover { border-color: var(--green); color: var(--green-dark); }

.diagnostic-card {
  position: relative;
  padding: 30px;
  color: var(--white);
  background: var(--navy);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.diagnostic-card::after {
  position: absolute;
  width: 92px;
  height: 92px;
  right: -14px;
  bottom: -14px;
  border: 14px solid rgba(255, 255, 255, .06);
  border-radius: 50%;
  content: "";
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: #bcebe2;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.status::before {
  width: 8px;
  height: 8px;
  background: #4ee0bd;
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(78, 224, 189, .1);
  content: "";
}

.diagnostic-card h2 { margin-bottom: 12px; font-size: 26px; line-height: 1.15; }
.diagnostic-card p { color: #aeb8c5; }
.diagnostic-card ul { display: grid; gap: 13px; margin: 24px 0 0; padding: 0; list-style: none; }
.diagnostic-card li { display: grid; grid-template-columns: 30px 1fr; align-items: center; gap: 11px; font-size: 14px; }
.diagnostic-card li span { width: 28px; height: 28px; display: grid; place-items: center; color: #9be5d6; background: rgba(78, 224, 189, .1); border-radius: 8px; font-size: 12px; font-weight: 800; }

.trust-strip { border-block: 1px solid var(--line); background: rgba(255, 255, 255, .34); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 24px 28px; border-right: 1px solid var(--line); }
.trust-item:first-child { padding-left: 0; }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; margin-bottom: 3px; font-size: 17px; }
.trust-item span { color: var(--muted); font-size: 13px; }

.section { padding: 102px 0; }
.section-white { background: var(--white); }
.section-dark { color: var(--white); background: var(--navy); }
.section-header { max-width: 760px; margin-bottom: 46px; }
.section-header h2 { margin-bottom: 18px; font-size: clamp(35px, 4.5vw, 58px); line-height: 1.04; letter-spacing: -.045em; }
.section-header > p:not(.eyebrow) { color: var(--muted); font-size: 18px; }
.section-dark .section-header > p:not(.eyebrow) { color: #aeb8c5; }
.section-dark .eyebrow { color: #75d9c3; }

.media-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.media-card { min-height: 190px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); }
.media-card:nth-child(1), .media-card:nth-child(6) { background: var(--green-soft); border-color: transparent; }
.media-card:nth-child(3), .media-card:nth-child(8) { background: var(--orange-soft); border-color: transparent; }
.media-icon { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 28px; color: var(--green-dark); background: var(--white); border-radius: 12px; box-shadow: 0 8px 20px rgba(18, 24, 32, .07); font-size: 13px; font-weight: 850; }
.media-card h3 { margin-bottom: 7px; font-size: 19px; line-height: 1.2; }
.media-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.brand-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.brand-card { display: flex; flex-direction: column; padding: 26px; border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius); background: rgba(255, 255, 255, .035); }
.brand-card:hover { border-color: rgba(117, 217, 195, .5); transform: translateY(-2px); transition: .2s ease; }
.brand-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.brand-top h3 { margin: 0; font-size: 25px; letter-spacing: -.025em; }
.brand-code { min-width: 40px; padding: 7px 8px; color: #9be5d6; background: rgba(78, 224, 189, .09); border-radius: 9px; font-size: 11px; font-weight: 850; text-align: center; }
.brand-card dl { margin: 0; }
.brand-card dt { margin-top: 15px; color: #8897a8; font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.brand-card dd { margin: 5px 0 0; color: #d7dee7; font-size: 14px; line-height: 1.55; }

.note { margin: 30px 0 0; color: #9da9b6; font-size: 14px; }

.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: steps; }
.step { position: relative; min-height: 230px; padding: 24px; border-top: 2px solid var(--line); counter-increment: steps; }
.step::before { display: block; margin-bottom: 48px; color: var(--orange); font-size: 13px; font-weight: 850; content: "0" counter(steps); }
.step h3 { margin-bottom: 10px; font-size: 20px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

.warning-box { display: grid; grid-template-columns: 210px 1fr; gap: 48px; padding: 36px; border-radius: 26px; background: var(--orange-soft); }
.warning-box h2 { margin: 0; font-size: 29px; line-height: 1.12; }
.warning-box ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 34px; margin: 0; padding: 0; list-style: none; }
.warning-box li { position: relative; padding-left: 24px; }
.warning-box li::before { position: absolute; left: 0; color: var(--orange); font-weight: 900; content: "×"; }

.faq-list { max-width: 860px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 22px 40px 22px 0; cursor: pointer; font-size: 18px; font-weight: 750; }
.faq-list p { max-width: 720px; color: var(--muted); }

.final-cta { padding: 86px 0; color: var(--white); background: var(--green-dark); }
.cta-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; }
.final-cta h2 { max-width: 720px; margin-bottom: 12px; font-size: clamp(34px, 4.5vw, 56px); line-height: 1; letter-spacing: -.045em; }
.final-cta p { margin: 0; color: #bcebe2; }
.final-cta .button-primary { color: var(--green-dark); background: var(--white); box-shadow: none; }

.site-footer { padding: 40px 0; color: #aeb8c5; background: #0b1521; }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.site-footer .brand b { color: var(--white); }
.site-footer .brand small { color: #8996a4; }
.site-footer p { margin: 0; font-size: 13px; }

.error-page { min-height: 100vh; display: grid; place-items: center; padding: 30px; background: var(--navy); }
.error-card { width: min(100%, 600px); padding: 44px; background: var(--paper); border-radius: 28px; box-shadow: var(--shadow); }
.error-card .eyebrow { margin-top: 55px; }
.error-card h1 { font-size: clamp(42px, 7vw, 65px); }
.error-card p:not(.eyebrow) { color: var(--muted); }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .diagnostic-card { max-width: 600px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .trust-item:nth-child(3) { padding-left: 0; }
  .media-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { min-height: 68px; }
  .menu-button { display: grid; }
  .site-nav { position: absolute; top: 68px; left: 0; width: 100%; display: none; align-items: stretch; gap: 0; padding: 12px 20px 20px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 16px 24px rgba(18, 24, 32, .08); }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 12px; }
  .header-badge { margin-top: 4px; text-align: center; }
  .hero { padding: 72px 0 64px; }
  h1 { font-size: clamp(43px, 14vw, 64px); }
  .section { padding: 76px 0; }
  .brand-grid, .media-grid, .steps-grid { grid-template-columns: 1fr; }
  .media-card { min-height: auto; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item, .trust-item:first-child, .trust-item:nth-child(3) { padding: 18px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-item:last-child { border-bottom: 0; }
  .warning-box { grid-template-columns: 1fr; gap: 24px; padding: 28px; }
  .warning-box ul { grid-template-columns: 1fr; }
  .cta-grid { grid-template-columns: 1fr; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}