@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;700&display=swap");

:root {
  --bg: #f3f6f9;
  --bg-strong: #e8eef3;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --line: rgba(13, 27, 42, 0.1);
  --ink: #102033;
  --muted: #5f6e7d;
  --navy: #0d1b2a;
  --steel: #2a4e6e;
  --teal: #0f766e;
  --copper: #cc7a2b;
  --copper-dark: #a25d1e;
  --success-bg: #e8f7f0;
  --success-text: #0b6b4b;
  --error-bg: #fff1f1;
  --error-text: #b42318;
  --shadow-lg: 0 24px 70px rgba(13, 27, 42, 0.12);
  --shadow-md: 0 16px 36px rgba(13, 27, 42, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: min(1200px, calc(100% - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.09), transparent 30%),
    radial-gradient(circle at top right, rgba(204, 122, 43, 0.12), transparent 26%),
    linear-gradient(180deg, #f8fafc 0%, var(--bg) 55%, #edf2f6 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(15, 27, 42, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 27, 42, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 85%);
}

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

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

main {
  padding-bottom: 80px;
}

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

.narrow {
  max-width: 860px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(243, 246, 249, 0.72);
  border-bottom: 1px solid rgba(13, 27, 42, 0.06);
}

.site-header .container {
  width: min(1520px, calc(100% - 40px));
}

.header-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  min-height: 84px;
  padding: 12px 0;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 0 0 auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--navy), var(--steel));
  color: #fff;
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.06em;
}

.brand-copy {
  display: grid;
  min-width: max-content;
}

.brand-copy strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  line-height: 1.1;
}

.brand-copy small {
  font-size: 0.78rem;
  color: var(--muted);
}

.site-nav {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 8px 6px;
  min-width: 0;
}

.nav-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 0;
  flex: 0 0 auto;
}

.nav-link {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.2;
  white-space: nowrap;
  flex: 0 0 auto;
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.nav-link:hover,
.nav-link.is-active {
  background: rgba(13, 27, 42, 0.06);
  color: var(--navy);
  transform: translateY(-1px);
}

.header-cta {
  margin-left: 0;
  white-space: nowrap;
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid rgba(13, 27, 42, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 18px rgba(13, 27, 42, 0.06);
}

.lang-pill {
  min-width: 38px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.lang-pill:hover,
.lang-pill.is-active {
  background: var(--navy);
  color: #fff;
  transform: translateY(-1px);
}

@media (min-width: 861px) {
  .brand-copy strong,
  .brand-copy small {
    white-space: nowrap;
  }

  .brand-copy small {
    font-size: 0.74rem;
  }

  .nav-link {
    padding: 10px 12px;
    font-size: 0.9rem;
  }

  .header-cta {
    padding-inline: 18px;
  }

  html[lang^="zh"] .nav-link,
  html[lang^="ja"] .nav-link {
    font-size: 0.88rem;
    padding-inline: 10px;
  }
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--navy);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(145deg, var(--copper), #df8f3f);
  color: #fff;
  box-shadow: 0 14px 28px rgba(204, 122, 43, 0.28);
}

.button-primary:hover {
  background: linear-gradient(145deg, var(--copper-dark), var(--copper));
}

.button-secondary {
  border-color: rgba(13, 27, 42, 0.12);
  background: rgba(255, 255, 255, 0.74);
  color: var(--navy);
}

.button-secondary:hover {
  border-color: rgba(13, 27, 42, 0.22);
  box-shadow: var(--shadow-md);
}

.flash-wrap {
  padding-top: 16px;
}

.flash {
  padding: 14px 18px;
  border-radius: 16px;
  border: 1px solid transparent;
  box-shadow: var(--shadow-md);
}

.flash-success {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: rgba(11, 107, 75, 0.12);
}

.flash-error {
  background: var(--error-bg);
  color: var(--error-text);
  border-color: rgba(180, 35, 24, 0.12);
}

.hero-section,
.page-hero {
  padding: 72px 0 40px;
}

.hero-grid,
.split-grid,
.quote-layout,
.estimate-layout,
.cta-band-inner,
.footer-grid {
  display: grid;
  gap: 28px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.9fr);
  align-items: start;
}

.page-hero .narrow {
  padding: 0;
}

.eyebrow,
.card-kicker,
.panel-kicker,
.footer-kicker,
.footer-title,
.timeline-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.6rem, 5vw, 5rem);
  line-height: 0.98;
  margin-top: 12px;
  text-wrap: balance;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4vw, 4rem);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.02;
}

h3 {
  font-size: 1.32rem;
  line-height: 1.1;
}

.lead,
.section-intro,
.timeline-lead,
.footer-copy {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--muted);
}

.lead {
  max-width: 760px;
  margin: 18px 0 0;
}

.chip-row,
.cta-row,
.stats-strip,
.panel-list,
.platform-grid,
.placeholder-grid,
.quality-grid,
.selector-grid,
.grid-mini,
.stream-grid,
.audience-grid,
.pillars-grid {
  display: grid;
  gap: 16px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  margin: 22px 0 0;
}

.chip {
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid rgba(42, 78, 110, 0.16);
  background: rgba(255, 255, 255, 0.68);
  color: var(--steel);
  font-size: 0.88rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  margin-top: 24px;
}

.stats-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 32px;
}

.stat-card,
.content-card,
.audience-card,
.path-card,
.selector-card,
.platform-card,
.timeline-card,
.mini-card,
.stream-item,
.stack-card,
.visual-panel,
.quote-form,
.quote-side {
  border: 1px solid rgba(13, 27, 42, 0.08);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
}

.stat-card,
.content-card,
.audience-card,
.path-card,
.timeline-card,
.mini-card,
.stack-card,
.quote-side {
  padding: 24px;
}

.stat-card strong,
.platform-card strong,
.stream-item strong,
.mini-card strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 8px;
}

.stat-card span,
.platform-card span,
.selector-card p,
.stream-item span,
.mini-card span {
  color: var(--muted);
  line-height: 1.6;
}

.hero-visual,
.image-stack {
  display: grid;
  gap: 20px;
}

.visual-panel {
  overflow: hidden;
}

.placeholder-visual {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(13, 27, 42, 0.08);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(236, 241, 245, 0.96));
  box-shadow: var(--shadow-md);
}

.media-visual {
  overflow: hidden;
  border: 1px solid rgba(13, 27, 42, 0.08);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(236, 241, 245, 0.96));
  box-shadow: var(--shadow-md);
}

.media-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.placeholder-media {
  position: relative;
  min-height: 250px;
  border: 1px dashed rgba(95, 110, 125, 0.28);
  border-radius: calc(var(--radius-lg) - 4px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(220, 228, 235, 0.96)),
    repeating-linear-gradient(90deg, rgba(13, 27, 42, 0.025) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(180deg, rgba(13, 27, 42, 0.025) 0 1px, transparent 1px 28px);
  overflow: hidden;
}

.placeholder-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(16, 32, 51, 0.78);
  color: #fff;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.placeholder-line {
  position: absolute;
  height: 2px;
  border-radius: 999px;
  background: rgba(95, 110, 125, 0.24);
}

.placeholder-line-a {
  top: 26%;
  left: 10%;
  width: 46%;
}

.placeholder-line-b {
  top: 36%;
  right: 12%;
  width: 28%;
}

.placeholder-silhouette {
  position: absolute;
  left: 13%;
  right: 13%;
  bottom: 16%;
  height: 34%;
  border-radius: 60% 46% 40% 42% / 54% 54% 30% 32%;
  background: linear-gradient(145deg, #cad3db, #aab6c2);
  box-shadow:
    0 18px 28px rgba(13, 27, 42, 0.12),
    inset 0 -8px 16px rgba(255, 255, 255, 0.34);
  transform: skewX(-10deg);
}

.placeholder-title {
  font-size: 1rem;
  line-height: 1.4;
}

.placeholder-strategy {
  margin: -2px 0 0;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--steel);
  letter-spacing: 0.04em;
}

.placeholder-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.placeholder-hero .placeholder-media {
  min-height: 360px;
}

.media-hero img {
  min-height: 360px;
  aspect-ratio: 16 / 9;
}

.placeholder-compact {
  padding: 16px;
}

.placeholder-compact .placeholder-media {
  min-height: 170px;
}

.media-compact img {
  aspect-ratio: 1212 / 456;
}

.placeholder-compact .placeholder-note {
  font-size: 0.92rem;
}

.image-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-panel {
  min-height: 340px;
}

.image-panel.tall {
  min-height: 460px;
}

.spec-panel {
  padding: 26px;
}

.panel-list,
.card-list,
.checklist,
.footer-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.panel-list li,
.card-list li,
.checklist li,
.footer-list li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.65;
  margin-top: 12px;
}

.panel-list li::before,
.card-list li::before,
.checklist li::before,
.footer-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--copper), var(--teal));
}

.section {
  padding: 40px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(232, 238, 243, 0.45));
}

.quick-answer-band {
  padding-top: 10px;
}

.quick-answer-shell {
  display: grid;
  gap: 20px;
  padding: 28px;
  border: 1px solid rgba(13, 27, 42, 0.08);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(233, 239, 245, 0.86)),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.08), transparent 35%);
  box-shadow: var(--shadow-md);
}

.quick-answer-head {
  margin-bottom: 0;
}

.quick-answer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quick-answer-card {
  height: 100%;
}

.quick-answer-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.section-head {
  margin-bottom: 26px;
}

.section-head h2 {
  margin-top: 10px;
}

.pillars-grid,
.audience-grid,
.quality-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

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

.platform-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.platform-card,
.selector-card {
  display: grid;
  gap: 16px;
  padding: 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.platform-card {
  grid-template-columns: 64px 1fr;
  align-items: center;
}

.platform-card.large {
  align-items: start;
}

.platform-card-stacked,
.selector-card-placeholder {
  grid-template-columns: 1fr;
  align-items: start;
}

.platform-card:hover,
.selector-card:hover {
  transform: translateY(-4px);
  border-color: rgba(42, 78, 110, 0.18);
  box-shadow: var(--shadow-lg);
}

.platform-card > img,
.selector-icon img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

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

.selector-card {
  grid-template-columns: 72px 1fr;
}

.selector-card.selector-card-placeholder {
  grid-template-columns: 1fr;
  align-items: start;
}

.platform-copy,
.selector-body {
  display: grid;
  gap: 6px;
}

.platform-copy strong {
  margin-bottom: 0;
}

.platform-copy span,
.selector-subtitle {
  color: var(--steel);
}

.platform-copy p,
.selector-body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.selector-subtitle {
  margin: 4px 0 0;
  font-size: 0.92rem;
  color: var(--steel);
}

.selector-link {
  display: inline-flex;
  align-items: center;
  margin-top: 12px;
  color: var(--copper);
  font-weight: 600;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.timeline-card {
  position: relative;
  overflow: hidden;
}

.timeline-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--copper));
}

.grid-mini {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
}

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

.geo-card,
.faq-card {
  height: 100%;
}

.geo-card h3,
.faq-card h3 {
  margin-top: 0;
}

.geo-card p,
.faq-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

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

.stream-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
}

.stream-item span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(13, 27, 42, 0.07);
  font-weight: 700;
  color: var(--navy);
}

.quote-layout {
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: start;
}

.estimate-layout {
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  align-items: start;
}

.quote-form {
  padding: 28px;
}

.estimate-form {
  display: grid;
  gap: 18px;
}

.estimate-panel,
.estimate-result {
  border: 1px solid rgba(13, 27, 42, 0.08);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
}

.estimate-panel {
  padding: 24px;
}

.estimate-result {
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.estimate-sticky {
  position: sticky;
  top: 108px;
  display: grid;
  gap: 18px;
}

.estimate-auto,
.estimate-currency,
.sampling-meta span {
  color: var(--muted);
  line-height: 1.6;
}

.estimate-summary-grid,
.flag-grid,
.sampling-grid {
  display: grid;
  gap: 16px;
}

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

.estimate-summary-card {
  padding: 20px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(231, 238, 244, 0.86));
  border: 1px solid rgba(13, 27, 42, 0.08);
}

.estimate-summary-card span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

.estimate-summary-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.8rem;
  font-family: "Space Grotesk", sans-serif;
  color: var(--navy);
}

.estimate-selection-card,
.estimate-breakdown-card,
.estimate-notes-card,
.estimate-gate-card {
  padding: 24px;
}

.estimate-breakdown-list {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.estimate-breakdown-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(13, 27, 42, 0.08);
}

.estimate-breakdown-row span {
  color: var(--muted);
  line-height: 1.5;
}

.estimate-breakdown-row strong {
  color: var(--navy);
}

.estimate-disclaimer {
  margin: 18px 0 0;
  color: var(--steel);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.6;
}

.estimate-gate-card {
  display: grid;
  gap: 14px;
}

.estimate-gate-card.is-unlocked {
  border-color: rgba(11, 107, 75, 0.16);
  background: linear-gradient(180deg, rgba(232, 247, 240, 0.9), rgba(255, 255, 255, 0.92));
}

.estimate-gate-card h3 {
  margin-top: -4px;
}

.estimate-gate-copy,
.estimate-privacy {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.estimate-gate-form {
  display: grid;
  gap: 18px;
}

.estimate-gate-message {
  min-height: 24px;
  color: var(--steel);
  font-weight: 600;
  line-height: 1.5;
}

.estimate-gate-message.is-error {
  color: var(--error-text);
}

.estimate-gate-message.is-success {
  color: var(--success-text);
}

.estimate-pdf-button {
  width: 100%;
}

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

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

.flag-card {
  display: flex;
  gap: 12px;
  padding: 16px;
  border: 1px solid rgba(13, 27, 42, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.flag-card:hover {
  transform: translateY(-2px);
  border-color: rgba(42, 78, 110, 0.2);
  box-shadow: var(--shadow-md);
}

.flag-card input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
}

.flag-card span {
  display: grid;
  gap: 4px;
}

.flag-card strong {
  font-size: 0.96rem;
}

.flag-card small {
  color: var(--muted);
  line-height: 1.5;
}

.sampling-card {
  display: grid;
  gap: 12px;
}

.sampling-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.sampling-meta {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid rgba(13, 27, 42, 0.08);
}

.sampling-meta strong {
  font-size: 0.86rem;
  color: var(--steel);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field-full {
  grid-column: 1 / -1;
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--navy);
}

input,
select,
textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid rgba(13, 27, 42, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  font: inherit;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(42, 78, 110, 0.42);
  box-shadow: 0 0 0 4px rgba(42, 78, 110, 0.08);
}

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

.field-help,
.file-list {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.quote-side {
  display: grid;
  gap: 18px;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.cta-band {
  padding-top: 12px;
}

.cta-band-inner {
  grid-template-columns: minmax(0, 1.2fr) auto;
  align-items: center;
  padding: 30px;
  border: 1px solid rgba(13, 27, 42, 0.08);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(13, 27, 42, 0.92), rgba(42, 78, 110, 0.92));
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.cta-band-inner .eyebrow,
.cta-band-inner p {
  color: rgba(255, 255, 255, 0.8);
}

.site-footer {
  padding: 40px 0 30px;
  border-top: 1px solid rgba(13, 27, 42, 0.06);
  background: rgba(255, 255, 255, 0.4);
}

.footer-grid {
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
}

.footer-title {
  margin-bottom: 10px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(13, 27, 42, 0.08);
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-copy,
.hero-visual,
.content-card,
.audience-card,
.placeholder-visual,
.timeline-card,
.platform-card,
.selector-card,
.mini-card,
.stream-item {
  animation: fadeUp 0.65s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .hero-grid,
  .split-grid,
  .quote-layout,
  .estimate-layout,
  .cta-band-inner,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .pillars-grid,
  .audience-grid,
  .quality-grid,
  .placeholder-grid,
  .timeline-grid,
  .quick-answer-grid,
  .selector-grid,
  .flag-grid,
  .sampling-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .site-header .container {
    width: min(100% - 24px, 1200px);
  }

  .header-inner {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
  }

  .mobile-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 20px;
    right: 20px;
    display: none;
    grid-template-columns: 1fr;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-lg);
  }

  .site-nav.is-open {
    display: grid;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }

  .nav-link {
    white-space: normal;
  }

  .header-cta {
    margin-top: 8px;
  }

  .nav-meta {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
  }

  .lang-switcher {
    justify-content: center;
    flex-wrap: wrap;
  }

  .stats-strip,
  .pillars-grid,
  .audience-grid,
  .quality-grid,
  .placeholder-grid,
  .quick-answer-grid,
  .selector-grid,
  .timeline-grid,
  .grid-mini,
  .stream-grid,
  .platform-grid,
  .field-grid,
  .estimate-field-grid,
  .estimate-summary-grid,
  .flag-grid,
  .sampling-grid {
    grid-template-columns: 1fr;
  }

  .hero-section,
  .page-hero {
    padding-top: 52px;
  }

  h1 {
    font-size: clamp(2.2rem, 9vw, 3.8rem);
  }

  .container {
    width: min(100% - 24px, 1200px);
  }

  .cta-band-inner {
    padding: 24px;
  }

  .quick-answer-shell {
    padding: 22px;
  }

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

  .estimate-sticky {
    position: static;
  }
}

@media (max-width: 540px) {
  .brand-copy small {
    display: none;
  }

  .button {
    width: 100%;
  }

  .cta-row {
    width: 100%;
  }

  .quote-form {
    padding: 22px;
  }
}