:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --accent: #0ea5e9;
  --accent-dark: #0284c7;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --surface-soft: #eff6ff;
  --border: #dbe6f0;
  --text: #0f172a;
  --text-soft: #475569;
  --text-muted: #64748b;
  --white: #ffffff;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
  --radius: 20px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(ellipse 120% 80% at 90% 10%, rgba(14, 165, 233, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 80% 60% at 10% 90%, rgba(14, 165, 233, 0.04) 0%, transparent 50%),
    linear-gradient(180deg, #f8fbfe 0%, #ffffff 240px);
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

main {
  flex: 1 0 auto;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

img {
  max-width: 100%;
}

.container {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(219, 230, 240, 0.92);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
}

.brand-mark {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-note {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.96rem;
  color: var(--text-soft);
}

.nav a {
  transition: color 0.2s ease;
}

.nav a:hover,
.nav a.is-active {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  color: var(--text);
  align-items: center;
  justify-content: center;
  padding: 0;
}

.mobile-menu-button span,
.mobile-menu-button span::before,
.mobile-menu-button span::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  content: "";
  position: relative;
  transition: 0.2s ease;
}

.mobile-menu-button span::before {
  position: absolute;
  top: -6px;
}

.mobile-menu-button span::after {
  position: absolute;
  top: 6px;
}

.mobile-menu {
  display: none;
  padding: 0 0 16px;
}

.mobile-menu a {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid #edf2f7;
  color: var(--text-soft);
}

.mobile-menu .button {
  margin-top: 14px;
  width: 100%;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: 0.2s ease;
  cursor: pointer;
}

.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 26px rgba(14, 165, 233, 0.24);
}

.button-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.button-secondary {
  background: var(--white);
  color: var(--text);
  border-color: var(--border);
}

.button-secondary:hover {
  border-color: #b9cbda;
  background: var(--surface-muted);
}

.button-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.24);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.page-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(14, 165, 233, 0.25), transparent 35%),
    linear-gradient(135deg, #0f172a 0%, #15253d 56%, #1e293b 100%);
  color: #fff;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 50%;
  height: 60%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.12;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 42px;
  align-items: center;
  padding: 84px 0 70px;
}

.hero-panel {
  position: relative;
  z-index: 1;
  padding: 30px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.86);
}

.page-hero h1 {
  margin: 18px 0 16px;
  font-size: clamp(2.5rem, 4.6vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -0.05em;
}

.page-hero p,
.hero-panel p,
.hero-panel li {
  color: rgba(255, 255, 255, 0.82);
}

.hero-copy {
  max-width: 720px;
  font-size: 1.08rem;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-list,
.check-list,
.detail-list,
.mini-list,
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-list,
.mini-list,
.check-list,
.detail-list {
  display: grid;
  gap: 12px;
}

.hero-list li,
.mini-list li,
.check-list li,
.detail-list li {
  position: relative;
  padding-left: 18px;
}

.hero-list li::before,
.mini-list li::before,
.check-list li::before,
.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  transform: translateY(-50%);
}

.section {
  padding: 84px 0;
}

.section-soft {
  position: relative;
  background:
    radial-gradient(circle at 5% 50%, rgba(14, 165, 233, 0.05) 0%, transparent 40%),
    var(--surface-muted);
}

.section-intro {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-tag {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.section-intro h2,
.content-card h2,
.content-block h2,
.content-block h3,
.stat-card h3,
.feature-card h3,
.process-card h3 {
  margin: 12px 0 14px;
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: var(--text);
}

.section-intro h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.section-intro p,
.content-card p,
.content-block p,
.feature-card p,
.process-card p,
.stat-card p,
.footer-copy,
.footer-bottom {
  color: var(--text-soft);
}

.cards-2,
.cards-3,
.cards-4,
.stats-grid,
.feature-grid,
.process-grid,
.split-grid,
.content-grid,
.footer-grid {
  display: grid;
  gap: 22px;
}

.cards-2,
.split-grid,
.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards-3,
.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards-4,
.stats-grid,
.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.content-card,
.feature-card,
.process-card,
.stat-card,
.content-block,
.info-card,
.legal-card,
.rfq-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.feature-card::before,
.content-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: 4px 0 0 4px;
}

.content-card,
.feature-card,
.process-card,
.stat-card,
.content-block,
.info-card,
.legal-card,
.rfq-card {
  padding: 28px;
}

.content-card h3,
.feature-card h3,
.process-card h3,
.stat-card h3 {
  font-size: 1.28rem;
}

.stat-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.stat-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.quote-panel {
  padding: 34px;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfe 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.quote-panel-dark {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.quote-panel-dark h3,
.quote-panel-dark h4 {
  color: var(--white);
}

.quote-panel-dark p,
.quote-panel-dark li {
  color: rgba(255, 255, 255, 0.8);
}

.quote-text {
  font-size: 1.16rem;
  line-height: 1.85;
  color: var(--text);
  margin: 0 0 24px;
}

.buyer-strip {
  border-bottom: 1px solid var(--border);
  background: var(--white);
}

.buyer-strip-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  padding: 22px 0;
}

.buyer-chip {
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff 0%, var(--surface-muted) 100%);
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-soft);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.cta-band {
  position: relative;
  background:
    radial-gradient(ellipse 60% 80% at 100% 50%, rgba(14, 165, 233, 0.2) 0%, transparent 50%),
    linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: var(--white);
}

.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-band h2 {
  margin: 0 0 10px;
  color: var(--white);
}

.cta-band p {
  margin: 0;
  max-width: 700px;
  color: rgba(255, 255, 255, 0.8);
}

.site-footer {
  position: relative;
  background:
    radial-gradient(ellipse 80% 50% at 80% 100%, rgba(14, 165, 233, 0.08) 0%, transparent 60%),
    #0b1220;
  color: rgba(255, 255, 255, 0.82);
}

.footer-grid {
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  padding: 38px 0 26px;
}

.site-footer h3,
.site-footer h4 {
  margin: 0 0 14px;
  color: var(--white);
}

.footer-links {
  display: grid;
  gap: 10px;
}

.site-footer .footer-links a,
.site-footer .footer-copy,
.site-footer .footer-bottom,
.site-footer .footer-copy a {
  color: rgba(255, 255, 255, 0.76);
}

.site-footer .footer-links a:hover,
.site-footer .footer-copy a:hover {
  color: var(--white);
}

.footer-bottom {
  padding: 18px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.92rem;
}

.form-grid {
  display: grid;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid #cfddea;
  background: var(--white);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.12);
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.form-note,
.disclaimer,
.small-note {
  color: var(--text-muted);
  font-size: 0.94rem;
}

.info-stack {
  display: grid;
  gap: 16px;
}

.info-panel {
  padding: 18px;
  background: var(--surface-muted);
  border-radius: 16px;
  border: 1px solid #e6edf5;
}

.info-panel strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
}

.legal-shell {
  padding: 42px 0 72px;
}

.legal-grid {
  display: grid;
  gap: 24px;
}

.legal-card h1 {
  margin: 16px 0 12px;
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: -0.05em;
}

.legal-card h2 {
  margin: 0 0 12px;
  font-size: 1.42rem;
  line-height: 1.2;
}

.top-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 14px;
  color: var(--text-soft);
  font-weight: 600;
}

.top-link:hover {
  color: var(--accent-dark);
}

.cookie-banner {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 70;
  display: none;
}

.cookie-banner.is-visible {
  display: block;
}

.cookie-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  border-radius: 22px;
  background: rgba(11, 18, 32, 0.96);
  color: rgba(255, 255, 255, 0.82);
  box-shadow: 0 22px 60px rgba(2, 6, 23, 0.34);
}

.cookie-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.cookie-card a {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.page-note {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid #cfe7fb;
  color: var(--text-soft);
}

.tight {
  max-width: 860px;
}

@media (max-width: 1024px) {
  .hero-inner,
  .split-grid,
  .content-grid,
  .cards-2,
  .footer-grid,
  .cta-band-inner {
    grid-template-columns: 1fr;
    display: grid;
  }

  .cards-4,
  .stats-grid,
  .process-grid,
  .buyer-strip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards-3,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .nav,
  .header-actions {
    display: none;
  }

  .mobile-menu-button {
    display: inline-flex;
  }

  .mobile-menu.is-open {
    display: block;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(var(--max-width), calc(100% - 28px));
  }

  .page-hero h1 {
    font-size: 2.35rem;
  }

  .hero-inner {
    padding: 72px 0 56px;
  }

  .section,
  .legal-shell {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .cards-4,
  .stats-grid,
  .process-grid,
  .buyer-strip-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .content-card,
  .feature-card,
  .process-card,
  .stat-card,
  .content-block,
  .info-card,
  .legal-card,
  .rfq-card,
  .hero-panel,
  .quote-panel {
    padding: 22px;
  }

  .cookie-card {
    flex-direction: column;
  }

  .cookie-actions {
    width: 100%;
    flex-direction: column;
  }

  .cookie-actions .button {
    width: 100%;
  }
}