:root {
  --bg: #fbfbfb;
  --surface: #ffffff;
  --surface-alt: #f3f3f3;
  --text: #0f0f0f;
  --muted: #5c5c5c;
  --line: rgba(15, 15, 15, 0.12);
  --accent: #ff5f00;
  --accent-soft: rgba(255, 95, 0, 0.1);
  --hero-dark: rgba(0, 0, 0, 0.55);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
  --container: min(1200px, calc(100% - 40px));
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #ffffff 0%, #f7f7f7 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

h1,
h2,
h3,
strong {
  margin: 0;
  color: var(--text);
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(15, 15, 15, 0.08);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-copy strong {
  font-size: 1rem;
  font-weight: 800;
}

.brand-copy span,
.hero-kicker,
.eyebrow {
  font-family: "Barlow Condensed", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-copy span {
  font-size: 0.82rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.contact-meta a:hover,
.contact-meta a:focus-visible {
  color: var(--accent);
}

.hero {
  position: relative;
  min-height: 480px;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 25%, rgba(255, 95, 0, 0.38), transparent 24%),
    linear-gradient(135deg, rgba(17, 17, 17, 0.72), rgba(17, 17, 17, 0.4)),
    linear-gradient(120deg, #1d1d1d 0%, #4d4d4d 52%, #8a8a8a 100%);
  transform: scale(1.03);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--hero-dark);
}

.hero-inner {
  position: relative;
  z-index: 1;
  min-height: 480px;
  display: grid;
  place-content: center;
  text-align: center;
}

.hero-kicker {
  margin-bottom: 10px;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.88);
}

.hero h1 {
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(3.5rem, 8vw, 5.8rem);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.hero-subtitle {
  margin-top: 18px;
  font-size: clamp(1.25rem, 2vw, 2rem);
  color: rgba(255, 255, 255, 0.92);
}

.contact-section {
  padding: 44px 0 30px;
}

.section-head {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: end;
  margin-bottom: 28px;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.95rem;
}

.section-head h2,
.guide-wrap h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
}

.section-note {
  font-size: 0.98rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-card {
  min-height: 220px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.contact-card.muted {
  background: var(--surface-alt);
}

.contact-card.emphasize {
  background: linear-gradient(180deg, rgba(255, 95, 0, 0.08), rgba(255, 255, 255, 0.98));
}

.contact-card h3 {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 2rem;
  font-weight: 700;
}

.accent-line {
  width: 24px;
  height: 3px;
  margin: 14px 0 18px;
  background: var(--accent);
}

.contact-meta {
  margin-top: 10px;
  font-weight: 700;
  color: var(--text);
}

.contact-meta a {
  border-bottom: 1px solid currentColor;
}

.contact-extra {
  margin-top: 12px;
  font-size: 0.94rem;
}

.site-footer {
  padding: 24px 0 40px;
  background: #f3f3f3;
  border-top: 1px solid rgba(15, 15, 15, 0.08);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: start;
}

.record-block {
  text-align: right;
}

@media (max-width: 900px) {
  .site-nav,
  .section-head,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    display: none;
  }

  .contact-card {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100% - 24px, 1200px);
  }

  .site-header {
    position: static;
  }

  .nav-wrap {
    min-height: 70px;
  }

  .hero,
  .hero-inner {
    min-height: 360px;
  }

  .contact-card {
    padding: 22px;
  }

  .footer-wrap {
    flex-direction: column;
  }

  .record-block {
    text-align: left;
  }
}
