* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-surface);
  line-height: 1.65;
}

.skip-link {
  position: fixed;
  left: var(--space-3);
  top: -5rem;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  color: var(--color-brand-dark);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.skip-link:focus { top: var(--space-3); }

.landing-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border-subtle);
}

.landing-header__inner,
.landing-section__inner,
.landing-footer__inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.landing-header__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-brand-dark);
  text-decoration: none;
  font-weight: 750;
  font-size: 1.05rem;
}

.landing-brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  color: #fff;
  background: var(--color-brand);
}

.landing-nav { display: flex; align-items: center; gap: var(--space-5); }
.landing-nav > a:not(.landing-button) { color: var(--color-text-muted); text-decoration: none; }
.landing-nav > a:not(.landing-button):hover { color: var(--color-brand-dark); text-decoration: underline; }

.landing-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-min);
  padding: 0.65rem 1.1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
}

.landing-button--large { min-height: 50px; padding: 0.8rem 1.35rem; }
.landing-button--primary { color: #fff; background: var(--color-brand); }
.landing-button--primary:hover { background: var(--color-brand-dark); }
.landing-button--secondary { color: var(--color-brand-dark); background: #fff; border-color: #8eb9cb; }
.landing-button--secondary:hover { background: #eff8fb; }
.landing-button--light { color: var(--color-brand-dark); background: #fff; }

.landing-hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(50, 151, 190, 0.18), transparent 30%),
    linear-gradient(135deg, #f4fbfd 0%, #eef5f9 100%);
  border-bottom: 1px solid #dbe9ef;
}

.landing-hero__inner {
  width: min(1120px, calc(100% - 40px));
  min-height: 590px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 6rem);
  padding: 72px 0 80px;
}

.landing-eyebrow,
.landing-section__kicker {
  margin: 0 0 var(--space-2);
  color: var(--color-brand-dark);
  font-size: 0.85rem;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.landing-hero h1 {
  max-width: 760px;
  margin: 0;
  color: #173647;
  font-size: clamp(2rem, 4.3vw, 3.5rem);
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.landing-hero__lead {
  max-width: 680px;
  margin: var(--space-5) 0;
  color: #38515d;
  font-size: 1.08rem;
}

.landing-hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.landing-hero__note { margin: var(--space-3) 0 0; color: var(--color-text-muted); font-size: 0.85rem; }

.landing-preview {
  padding: var(--space-5);
  background: #fff;
  border: 1px solid #d6e5eb;
  border-radius: 20px;
  box-shadow: 0 20px 48px rgba(36, 83, 103, 0.14);
}

.landing-preview__top,
.landing-preview__row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: center;
}

.landing-preview__top { padding-bottom: var(--space-4); font-weight: 700; }
.landing-preview__status { padding: 0.15rem 0.55rem; border-radius: 999px; color: #1b5e20; background: #e8f5e9; font-size: 0.75rem; }
.landing-preview__today { padding: var(--space-5); border-radius: var(--radius-lg); color: #fff; background: var(--color-brand); }
.landing-preview__today strong { display: block; margin: 0.2rem 0; font-size: 1.85rem; }
.landing-preview__label { opacity: 0.9; font-size: 0.85rem; }
.landing-preview__row { padding: var(--space-4) 0; border-bottom: 1px solid var(--color-border-subtle); font-size: 0.9rem; }
.landing-preview__row strong { text-align: right; }
.landing-preview__caption { margin: var(--space-3) 0 0; color: var(--color-text-muted); font-size: 0.75rem; }

.landing-section { padding: 80px 0; scroll-margin-top: 80px; }
.landing-section--soft { background: #f6f8fa; }
.landing-section h2 { margin: 0 0 var(--space-6); color: #173647; font-size: clamp(1.6rem, 3vw, 2.25rem); line-height: 1.35; }

.landing-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.landing-feature-card {
  min-width: 0;
  padding: var(--space-5);
  border: 1px solid #dce6ea;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.landing-feature-card__number { color: var(--color-brand); font-size: 0.8rem; font-weight: 800; }
.landing-feature-card h3 { margin: var(--space-3) 0 var(--space-2); color: #173647; font-size: 1.08rem; }
.landing-feature-card p { margin: 0; color: var(--color-text-muted); font-size: 0.9rem; }

.landing-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin: 0; padding: 0; list-style: none; }
.landing-steps li { display: flex; gap: var(--space-3); align-items: flex-start; }
.landing-steps__mark { display: grid; flex: 0 0 38px; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: #fff; background: var(--color-brand); font-weight: 800; }
.landing-steps h3 { margin: 0 0 var(--space-1); color: #173647; font-size: 1rem; }
.landing-steps p { margin: 0; color: var(--color-text-muted); font-size: 0.9rem; }

.landing-access {
  width: min(1120px, calc(100% - 40px));
  margin: 80px auto;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-5);
  border-radius: var(--radius-xl);
  color: #fff;
  background: #145d7d;
}

.landing-access h2 { margin: 0 0 var(--space-1); font-size: clamp(1.35rem, 2.5vw, 1.8rem); }
.landing-access p { margin: 0; opacity: 0.9; }

.landing-footer { border-top: 1px solid var(--color-border-subtle); background: #f6f8fa; }
.landing-footer__inner { min-height: 88px; display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); color: var(--color-text-muted); font-size: 0.85rem; }

@media (max-width: 900px) {
  .landing-nav > a:not(.landing-button) { display: none; }
  .landing-hero__inner { min-height: auto; grid-template-columns: 1fr; padding: 56px 0 64px; }
  .landing-preview { max-width: 560px; width: 100%; }
  .landing-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .landing-steps { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .landing-header__inner,
  .landing-section__inner,
  .landing-footer__inner,
  .landing-hero__inner,
  .landing-access { width: min(100% - 32px, 1120px); }
  .landing-header__inner { min-height: 64px; }
  .landing-brand { font-size: 0.92rem; }
  .landing-brand__mark { width: 34px; height: 34px; }
  .landing-nav .landing-button { padding: 0.55rem 0.75rem; font-size: 0.85rem; }
  .landing-hero__inner { gap: var(--space-6); padding: 48px 0 56px; }
  .landing-hero h1 br { display: none; }
  .landing-hero__lead { font-size: 1rem; }
  .landing-hero__actions { flex-direction: column; }
  .landing-hero__actions .landing-button { width: 100%; }
  .landing-preview { padding: var(--space-4); border-radius: var(--radius-lg); }
  .landing-section { padding: 56px 0; }
  .landing-feature-grid { grid-template-columns: 1fr; }
  .landing-access { margin: 56px auto; flex-direction: column; align-items: stretch; }
  .landing-footer__inner { padding: var(--space-4) 0; flex-direction: column; justify-content: center; align-items: flex-start; gap: var(--space-1); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}