:root {
  --ink: #18202a;
  --muted: #61707f;
  --paper: #fbfaf6;
  --panel: #ffffff;
  --teal: #0f766e;
  --coral: #d85b46;
  --gold: #b88928;
  --aqua: #d7f2ee;
  --line: #e6e0d6;
  --shadow: 0 18px 48px rgba(24, 32, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.site-header {
  min-height: 72px;
  padding: 16px clamp(18px, 5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(251, 250, 246, 0.94);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 15px;
}

.main-nav a,
.site-footer a {
  text-decoration: none;
}

.main-nav a:hover,
.site-footer a:hover {
  color: var(--teal);
}

.hero {
  padding: clamp(34px, 5vw, 64px) clamp(18px, 5vw, 64px) 34px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(38px, 5.2vw, 66px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 660px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 8px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  background: var(--ink);
  color: #fff;
}

.button.secondary,
.button.compact {
  background: #fff;
}

.button.compact {
  white-space: nowrap;
}

.hero-media {
  position: relative;
}

.hero-media img,
.article-preview img {
  border-radius: 8px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(24, 32, 42, 0.08);
}

.notice-band {
  margin: 0 clamp(18px, 5vw, 64px);
  padding: 18px 22px;
  display: flex;
  gap: 14px;
  align-items: center;
  background: #173b36;
  color: #fff;
  border-radius: 8px;
}

.notice-band span {
  color: #d6e9e6;
}

.section-shell,
.split-section {
  padding: clamp(48px, 7vw, 92px) clamp(18px, 5vw, 64px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading h2,
.split-section h2,
.article-preview h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-heading p,
.split-section p,
.article-preview p,
.guide-grid p {
  color: var(--muted);
}

.review-list {
  display: grid;
  gap: 16px;
}

.review-card {
  display: grid;
  grid-template-columns: 52px 132px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(24, 32, 42, 0.06);
}

.review-card.featured {
  border-color: rgba(15, 118, 110, 0.38);
}

.rank {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--aqua);
  color: #0b4f4a;
  font-weight: 900;
}

.operator-logo {
  min-height: 76px;
  display: grid;
  place-items: center;
  padding: 10px;
  border-radius: 8px;
  color: #fff;
  font-weight: 900;
  text-align: center;
}

.operator-logo.coral { background: var(--coral); }
.operator-logo.teal { background: var(--teal); }
.operator-logo.gold { background: var(--gold); }

.review-body h3,
.method-item h3,
.guide-grid h3,
.site-footer h2 {
  margin: 0 0 6px;
}

.review-body p {
  margin: 0 0 12px;
  color: var(--muted);
}

.score-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.score-list li {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfaf6;
}

.score-list span {
  color: var(--muted);
  font-size: 13px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(26px, 5vw, 64px);
  background: #f1f7f5;
}

.method-grid,
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.method-item,
.guide-grid article {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.method-item span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--teal);
  font-weight: 900;
}

.article-preview {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
}

.site-footer {
  padding: 42px clamp(18px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.7fr;
  gap: 28px;
  color: #dce5e4;
  background: #18202a;
}

.site-footer p {
  max-width: 520px;
  color: #aebdba;
}

.site-footer h2 {
  font-size: 16px;
}

.site-footer address {
  font-style: normal;
  color: #aebdba;
}

.site-footer div:last-child {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-brand .brand-mark {
  background: #fff;
  color: var(--ink);
}

.legal-page,
.contact-page {
  padding: clamp(32px, 6vw, 74px) clamp(18px, 5vw, 64px);
}

.content-panel {
  max-width: 940px;
  margin: 0 auto;
  padding: clamp(24px, 5vw, 46px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.content-panel h1 {
  margin-top: 0;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
}

.content-panel h2 {
  margin-top: 30px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 24px;
}

.contact-box {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.contact-box address {
  font-style: normal;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cfd7d4;
  border-radius: 8px;
  font: inherit;
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

@media (max-width: 900px) {
  .site-header,
  .main-nav,
  .notice-band {
    align-items: flex-start;
  }

  .site-header,
  .notice-band {
    flex-direction: column;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero,
  .split-section,
  .article-preview,
  .site-footer,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .review-card {
    grid-template-columns: 48px 1fr;
  }

  .operator-logo,
  .review-body,
  .review-card .button {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .hero h1 {
    font-size: 40px;
  }

  .method-grid,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .score-list {
    display: grid;
  }

  .button {
    width: 100%;
  }
}