:root {
  --brand-blue: oklch(44% 0.14 273);
  --brand-blue-950: oklch(18% 0.05 273);
  --brand-blue-900: oklch(24% 0.07 273);
  --brand-blue-800: oklch(34% 0.11 273);
  --brand-blue-700: oklch(39% 0.13 273);
  --brand-blue-100: oklch(94% 0.03 273);
  --brand-blue-50: oklch(98% 0.012 273);
  --brand-red: oklch(58% 0.24 28);
  --brand-red-700: oklch(49% 0.22 28);
  --brand-red-100: oklch(94% 0.045 28);
  --brand-red-50: oklch(98% 0.018 28);
  --ink: oklch(17% 0.025 273);
  --muted: oklch(47% 0.045 273);
  --subtle: oklch(68% 0.032 273);
  --paper: oklch(98.5% 0.01 273);
  --surface: #ffffff;
  --line: oklch(89% 0.025 273);
  --line-strong: oklch(78% 0.05 273);
  --shadow: 0 24px 70px rgba(15, 22, 52, 0.14);
  --shadow-soft: 0 14px 38px rgba(15, 22, 52, 0.09);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  /* Backstop only — the real overflow cause (grid track blowout) is fixed at
   * source. `clip` prevents horizontal scroll without creating a scroll
   * container, so the fixed header / anchor scrolling stay intact. */
  overflow-x: clip;
}

body.nav-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
  padding: 0 clamp(20px, 4vw, 56px);
  color: #ffffff;
  background: color-mix(in oklch, var(--brand-blue-950), transparent 18%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(18px);
  transition: background 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

body.is-scrolled .site-header {
  background: color-mix(in oklch, var(--brand-blue-950), black 8%);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 28px rgba(5, 10, 26, 0.26);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.brand-logo {
  width: 76px;
  height: 44px;
  object-fit: contain;
  padding: 5px 7px;
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(5, 10, 26, 0.16);
}

.brand-copy {
  display: grid;
  gap: 1px;
  line-height: 1.1;
}

.brand-text {
  font-size: 18px;
}

.brand-domain {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 15px;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.82);
  white-space: nowrap;
  transition: color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #ffffff;
  transform: translateY(-1px);
}

.header-cta,
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
}

.header-cta {
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  color: #ffffff;
  background: var(--brand-red);
  border-radius: 999px;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 12px 26px color-mix(in oklch, var(--brand-red), transparent 72%);
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.header-cta svg,
.btn svg,
.menu-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 50%;
}

.hero {
  position: relative;
  min-height: 720px;
  padding: 134px clamp(20px, 5vw, 72px) 96px;
  color: #ffffff;
  overflow: hidden;
  background:
    linear-gradient(100deg, rgba(8, 14, 36, 0.94) 0%, rgba(32, 42, 104, 0.82) 48%, rgba(32, 42, 104, 0.24) 100%),
    url("assets/hero-marketing.jpg") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 32%;
  background: linear-gradient(0deg, rgba(8, 14, 36, 0.72), transparent);
  pointer-events: none;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(232, 24, 32, 0.24), transparent 36%),
    linear-gradient(290deg, rgba(64, 80, 160, 0.48), transparent 42%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.78fr);
  gap: clamp(42px, 7vw, 86px);
  align-items: center;
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-red);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0;
}

.hero .eyebrow {
  color: color-mix(in oklch, var(--brand-red), white 30%);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: 66px;
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 44px;
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.25;
}

.hero-lede {
  max-width: 720px;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 20px;
}

.hero-points,
.bullet-list,
.service-list,
.focus-list,
.number-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.hero-points li {
  padding: 9px 13px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 800;
}

.bullet-list,
.service-list {
  display: grid;
  gap: 8px;
}

.service-list {
  margin-top: 14px;
}

.bullet-list li,
.service-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
}

.bullet-list li::before,
.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--brand-red);
  border-radius: 50%;
}

.light-list li {
  color: rgba(255, 255, 255, 0.76);
}

.case-card .bullet-list {
  margin-top: 18px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 900;
  line-height: 1;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.btn:hover,
.btn:focus-visible,
.header-cta:hover,
.header-cta:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: #ffffff;
  background: var(--brand-red);
  box-shadow: 0 18px 34px color-mix(in oklch, var(--brand-red), transparent 72%);
}

.btn-primary:hover,
.btn-primary:focus-visible,
.header-cta:hover,
.header-cta:focus-visible {
  background: var(--brand-red-700);
  box-shadow: 0 20px 40px color-mix(in oklch, var(--brand-red), transparent 64%);
}

.btn-secondary {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.28);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-proof span {
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 14px;
}

.hero-visual {
  position: relative;
  min-height: 440px;
}

.hero-logo-card {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 18px;
  width: min(360px, 90%);
  padding: 34px 30px;
  color: var(--brand-blue-950);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: var(--radius);
  box-shadow: 0 28px 70px rgba(5, 10, 26, 0.3);
  transform: translate(-50%, -50%);
  animation: floatCard 6s ease-in-out infinite;
}

.hero-logo-card img {
  width: min(240px, 100%);
  height: auto;
}

.hero-logo-card span {
  color: var(--brand-blue-800);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-photo-card {
  position: absolute;
  left: 2%;
  bottom: 8%;
  z-index: 3;
  display: grid;
  gap: 8px;
  width: 245px;
  min-height: 138px;
  padding: 20px;
  color: #ffffff;
  background:
    linear-gradient(180deg, rgba(8, 14, 36, 0.18), rgba(8, 14, 36, 0.78)),
    url("assets/hero-marketing.jpg") center / cover no-repeat;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  box-shadow: 0 18px 46px rgba(5, 10, 26, 0.28);
}

.hero-photo-card span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-photo-card strong {
  align-self: end;
  max-width: 190px;
  font-size: 16px;
  line-height: 1.35;
}

.market-orbit {
  position: absolute;
  inset: 0;
}

.market-orbit span {
  position: absolute;
  min-width: 116px;
  padding: 9px 12px;
  color: #ffffff;
  background: color-mix(in oklch, var(--brand-blue-900), transparent 14%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(5, 10, 26, 0.22);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  animation: drift 7s ease-in-out infinite;
}

.flag {
  display: inline-block;
  margin-right: 6px;
  font-style: normal;
  line-height: 1;
}

.market-orbit span:nth-child(1) { left: 6%; top: 6%; }
.market-orbit span:nth-child(2) { right: 3%; top: 12%; animation-delay: 300ms; }
.market-orbit span:nth-child(3) { left: 0; top: 46%; animation-delay: 600ms; }
.market-orbit span:nth-child(4) { right: 0; top: 54%; animation-delay: 900ms; }
.market-orbit span:nth-child(5) { left: 12%; bottom: 4%; animation-delay: 1200ms; }
.market-orbit span:nth-child(6) { right: 12%; bottom: 0; animation-delay: 1500ms; }

.market-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  width: min(var(--max), calc(100% - 40px));
  margin: -42px auto 0;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.strip-item {
  min-height: 128px;
  padding: 28px;
  background: #ffffff;
}

.strip-item strong {
  display: block;
  color: var(--brand-blue-800);
  font-size: 38px;
  line-height: 1;
}

.strip-item span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 118px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-heading p:not(.eyebrow),
.section-copy p:not(.eyebrow),
.method-copy p,
.contact-copy p {
  color: var(--muted);
  font-size: 17px;
}

.compact {
  max-width: 720px;
  margin-bottom: 34px;
}

.markets-section {
  position: relative;
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100vw - var(--max)) / 2));
  padding-right: max(20px, calc((100vw - var(--max)) / 2));
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.9)),
    url("assets/hero-marketing.jpg") center / cover no-repeat;
}

.markets-section .section-heading,
.market-card-grid {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.market-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.market-card {
  min-height: 238px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.market-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.market-card .flag {
  display: block;
  margin: 0 0 18px;
  font-size: 32px;
}

.market-card p {
  color: var(--muted);
}

.focus-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.focus-list li {
  display: grid;
  gap: 6px;
  min-height: 98px;
  padding: 18px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.focus-list strong {
  color: var(--brand-blue-800);
  font-size: 16px;
}

.focus-list span {
  color: var(--muted);
  font-size: 14px;
}

.problem-section {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 64px;
  align-items: start;
}

.problem-grid {
  display: grid;
  gap: 18px;
}

.problem-card,
.service-card,
.case-card,
.channel-logo-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.problem-card {
  position: relative;
  padding: 30px 32px 28px 86px;
}

.card-index {
  position: absolute;
  left: 28px;
  top: 32px;
  color: var(--brand-red);
  font-weight: 900;
}

.problem-card p,
.service-card p,
.case-card p,
.faq-list p {
  color: var(--muted);
}

.delivery-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: stretch;
}

.delivery-photo {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(8, 14, 36, 0.08), rgba(8, 14, 36, 0.72)),
    url("assets/hero-marketing.jpg") center / cover no-repeat;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.delivery-photo span {
  position: absolute;
  left: 28px;
  bottom: 26px;
  color: #ffffff;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.delivery-copy {
  align-self: center;
}

.delivery-list {
  counter-reset: delivery;
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.delivery-list li {
  counter-increment: delivery;
  position: relative;
  display: grid;
  gap: 6px;
  padding: 20px 22px 20px 58px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.delivery-list li::before {
  content: counter(delivery);
  position: absolute;
  left: 20px;
  top: 20px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  color: #ffffff;
  background: var(--brand-red);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 900;
}

.delivery-list strong {
  color: var(--brand-blue-800);
  font-size: 17px;
}

.delivery-list span {
  color: var(--muted);
}

.channel-section {
  padding-top: 96px;
  padding-bottom: 118px;
}

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

.channel-logo-card {
  display: grid;
  gap: 10px;
  min-height: 176px;
  padding: 24px;
  color: var(--brand-blue-800);
  box-shadow: var(--shadow-soft);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.channel-logo-card:nth-child(2n) {
  color: var(--brand-red);
}

.channel-logo-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in oklch, currentColor, white 38%);
  box-shadow: var(--shadow);
}

.logo-svg {
  width: 42px;
  height: 42px;
}

.logo-svg path {
  fill: currentColor;
}

.channel-logo-card:nth-child(7) .logo-svg path,
.channel-logo-card:nth-child(8) .logo-svg path {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.channel-logo-card strong {
  color: var(--ink);
  font-size: 18px;
}

.channel-logo-card span {
  color: var(--muted);
  font-size: 14px;
}

.services-section {
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100vw - var(--max)) / 2));
  padding-right: max(20px, calc((100vw - var(--max)) / 2));
  background:
    linear-gradient(180deg, rgba(250, 251, 255, 0.96), rgba(255, 255, 255, 0.94)),
    url("assets/hero-marketing.jpg") center / cover no-repeat;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.service-card {
  min-height: 314px;
  padding: 32px;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.service-card span {
  display: inline-block;
  margin-top: 12px;
  color: var(--brand-blue-800);
  font-size: 14px;
  font-weight: 900;
}

.service-icon {
  position: relative;
  width: 56px;
  height: 56px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: var(--brand-blue-100);
}

.service-icon::before,
.service-icon::after {
  content: "";
  position: absolute;
}

.market-icon::before {
  inset: 13px;
  border: 3px solid var(--brand-blue);
  border-radius: 50%;
}

.market-icon::after {
  left: 18px;
  right: 18px;
  top: 26px;
  height: 3px;
  background: var(--brand-red);
  box-shadow: 0 -9px 0 -1px var(--brand-red), 0 9px 0 -1px var(--brand-red);
}

.ai-icon::before {
  inset: 14px;
  border: 3px solid var(--brand-blue);
  border-radius: 12px;
}

.ai-icon::after {
  left: 24px;
  top: 24px;
  width: 8px;
  height: 8px;
  background: var(--brand-red);
  border-radius: 50%;
  box-shadow: -13px 0 0 var(--brand-red), 13px 0 0 var(--brand-red), 0 -13px 0 var(--brand-red), 0 13px 0 var(--brand-red);
}

.web-icon::before {
  inset: 14px 12px;
  border: 3px solid var(--brand-blue);
  border-radius: 5px;
}

.web-icon::after {
  left: 17px;
  right: 17px;
  top: 24px;
  height: 3px;
  background: var(--brand-red);
}

.search-icon::before {
  width: 21px;
  height: 21px;
  left: 14px;
  top: 13px;
  border: 3px solid var(--brand-blue);
  border-radius: 50%;
}

.search-icon::after {
  width: 16px;
  height: 3px;
  right: 11px;
  bottom: 14px;
  background: var(--brand-red);
  transform: rotate(45deg);
  border-radius: 999px;
}

.social-icon::before {
  inset: 14px 10px;
  background: var(--brand-blue);
  clip-path: polygon(0 48%, 36% 0, 64% 0, 100% 48%, 64% 100%, 36% 100%);
}

.social-icon::after {
  left: 23px;
  top: 23px;
  width: 10px;
  height: 10px;
  background: var(--brand-red);
  border-radius: 50%;
}

.data-icon::before {
  left: 14px;
  right: 14px;
  bottom: 14px;
  height: 26px;
  background: linear-gradient(90deg, var(--brand-blue) 0 26%, transparent 26% 38%, var(--brand-red) 38% 62%, transparent 62% 74%, var(--brand-blue-700) 74%);
}

.method-section {
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100vw - var(--max)) / 2));
  padding-right: max(20px, calc((100vw - var(--max)) / 2));
  background: var(--brand-blue-950);
}

.method-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
  color: #ffffff;
}

.method-copy p {
  color: rgba(255, 255, 255, 0.72);
}

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

.method-steps article {
  min-height: 188px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
}

.method-steps span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  color: #ffffff;
  background: var(--brand-red);
  border-radius: 50%;
  font-weight: 900;
}

.method-steps p {
  color: rgba(255, 255, 255, 0.72);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.cases-section {
  position: relative;
}

.cases-section::before {
  content: "";
  position: absolute;
  inset: 76px auto auto 58%;
  width: min(420px, 32vw);
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(180deg, rgba(8, 14, 36, 0.06), rgba(8, 14, 36, 0.54)),
    url("assets/hero-marketing.jpg") center / cover no-repeat;
  border-radius: var(--radius);
  opacity: 0.16;
  pointer-events: none;
}

.case-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 372px;
  padding: 32px;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.case-type {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--brand-red);
  font-size: 13px;
  font-weight: 900;
}

.case-card dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 20px 0 0;
}

.case-card dl div {
  padding: 16px;
  background: var(--brand-blue-50);
  border-radius: var(--radius);
}

.case-card dt {
  color: var(--muted);
  font-size: 13px;
}

.case-card dd {
  margin: 4px 0 0;
  color: var(--brand-blue-800);
  font-size: 30px;
  font-weight: 900;
}

.faq-section {
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100vw - var(--max)) / 2));
  padding-right: max(20px, calc((100vw - var(--max)) / 2));
  background: #ffffff;
}

.faq-list {
  display: grid;
  gap: 14px;
  max-width: 900px;
}

.faq-list details {
  background: var(--brand-blue-50);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.faq-list summary {
  cursor: pointer;
  padding: 24px 26px;
  color: var(--ink);
  font-weight: 900;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--brand-red);
  font-size: 22px;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  margin: 0;
  padding: 0 26px 26px;
}

.contact-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 64px;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 118px 0;
}

/* Grid items must be allowed to shrink below their content's min-content,
 * otherwise a track (e.g. the lead form) blows the column wider than the
 * viewport on mobile. */
.contact-section > * {
  min-width: 0;
}

.contact-section::before {
  content: "";
  position: absolute;
  inset: 70px auto auto -48px;
  width: 220px;
  height: 300px;
  background:
    linear-gradient(180deg, rgba(8, 14, 36, 0.08), rgba(8, 14, 36, 0.54)),
    url("assets/hero-marketing.jpg") center / cover no-repeat;
  border-radius: var(--radius);
  opacity: 0.18;
  pointer-events: none;
}

.contact-copy ul {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.contact-copy li {
  position: relative;
  padding-left: 28px;
  color: var(--brand-blue-800);
  font-weight: 900;
}

.contact-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  background: var(--brand-red);
  border-radius: 50%;
}

.lead-form {
  display: grid;
  gap: 18px;
  padding: 34px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.lead-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 900;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--brand-blue-50);
  outline: none;
}

.lead-form input:focus,
.lead-form textarea:focus {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--brand-blue), transparent 86%);
}

.lead-form textarea {
  resize: vertical;
}

.form-submit {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Honeypot — kept in the DOM for bots, off-screen for humans/AT. */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Math CAPTCHA row: equation + answer input side by side. */
.captcha-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.captcha-eq {
  flex: 0 0 auto;
  min-width: 92px;
  padding: 12px 14px;
  color: var(--brand-blue-900);
  background: var(--brand-blue-100);
  border-radius: 8px;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 1px;
  white-space: nowrap;
  text-align: center;
}

.captcha-row input {
  flex: 1 1 80px;
  width: auto;
  min-width: 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 40px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.78);
  background: var(--brand-blue-950);
}

.footer-brand {
  color: #ffffff;
}

.site-footer p {
  margin: 12px 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.82);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #ffffff;
}

.js-enabled [data-animate] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.js-enabled [data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes floatCard {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-12px); }
}

@keyframes drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (max-width: 1100px) {
  .site-nav {
    gap: 18px;
  }

  h1 {
    font-size: 56px;
  }

  h2 {
    font-size: 38px;
  }

  .hero-inner,
  .problem-section,
  .method-panel,
  .contact-section {
    gap: 44px;
  }

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

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

/* Nav collapses to the hamburger menu at <=1120px so the longer English /
 * Spanish / Thai nav labels + the language switcher never crowd the header. */
@media (max-width: 1180px) {
  .site-nav {
    position: fixed;
    inset: 76px 18px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    color: var(--ink);
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 14px 12px;
    color: var(--ink);
    border-radius: 6px;
  }

  .site-nav a:hover,
  .site-nav a:focus-visible {
    color: var(--brand-blue-800);
    background: var(--brand-blue-50);
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
  }

  .hero-inner,
  .delivery-section,
  .problem-section,
  .method-panel,
  .contact-section {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-visual {
    min-height: 360px;
  }

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

  .delivery-photo {
    min-height: 320px;
  }

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

@media (max-width: 760px) {
  .site-header {
    height: 68px;
    padding: 0 16px;
  }

  .brand-logo {
    width: 58px;
    height: 36px;
    padding: 4px 5px;
  }

  .brand-text {
    font-size: 16px;
  }

  .brand-domain {
    display: none;
  }

  .site-nav {
    top: 68px;
  }

  .hero {
    padding: 96px 20px 62px;
    background-position: 58% center;
  }

  .hero-inner {
    gap: 36px;
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 31px;
  }

  h3 {
    font-size: 20px;
  }

  .hero-lede {
    font-size: 17px;
  }

  .hero-actions,
  .hero-proof {
    gap: 10px;
  }

  .btn {
    width: 100%;
    min-height: 50px;
  }

  .hero-proof span {
    font-size: 13px;
  }

  .hero-visual {
    display: none;
  }

  .market-strip {
    grid-template-columns: 1fr;
    margin-top: 0;
    width: 100%;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    box-shadow: none;
  }

  .strip-item {
    min-height: 96px;
    padding: 22px 20px;
  }

  .section,
  .contact-section {
    width: min(100% - 32px, var(--max));
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .services-section,
  .markets-section,
  .method-section,
  .faq-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .services-grid,
  .method-steps,
  .case-grid,
  .market-card-grid,
  .channel-logo-grid,
  .focus-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .market-card {
    padding: 24px;
  }

  .delivery-list li {
    padding: 22px 22px 22px 58px;
  }

  .delivery-photo,
  .cases-section::before,
  .contact-section::before {
    display: none;
  }

  .problem-card {
    padding: 26px;
  }

  .card-index {
    position: static;
    display: inline-block;
    margin-bottom: 12px;
  }

  .service-card,
  .case-card,
  .lead-form {
    padding: 26px;
  }

  .case-card dl {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }

  /* Keep the ICP filing line visible and wrapping cleanly in column layout. */
  .footer-beian {
    display: block;
    overflow-wrap: anywhere;
  }
}

/* ICP beian filing line — visible in every language & viewport. */
.footer-beian {
  font-size: 13px;
}

.footer-beian a {
  color: rgba(255, 255, 255, 0.62);
}

.footer-beian a:hover,
.footer-beian a:focus-visible {
  color: rgba(255, 255, 255, 0.9);
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js-enabled [data-animate] {
    opacity: 1;
    transform: none;
  }
}

/* =====================================================================
 * Language switcher (中文 / English / Español / ไทย)
 * Lives inside #site-nav so it appears in both the desktop nav and the
 * mobile dropdown menu.
 * =================================================================== */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 6px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.lang-btn {
  appearance: none;
  border: 0;
  margin: 0;
  padding: 6px 9px;
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.lang-btn:hover,
.lang-btn:focus-visible {
  color: #ffffff;
}

.lang-btn.is-active {
  color: var(--brand-blue-900);
  background: #ffffff;
}

/* Give the switcher a touch more room on mid-size desktops. */
@media (max-width: 1100px) {
  .lang-switch {
    margin-left: 2px;
  }
  .lang-btn {
    padding: 6px 7px;
    font-size: 12px;
  }
}

/* Inside the white mobile dropdown, restyle to dark-on-light and full-width.
 * Matches the nav-collapse breakpoint (1120px). */
@media (max-width: 1180px) {
  .lang-switch {
    display: flex;
    margin: 10px 2px 2px;
    padding: 4px;
    border-color: var(--line);
    background: var(--brand-blue-50);
  }
  .lang-btn {
    flex: 1 1 0;
    padding: 10px 6px;
    color: var(--muted);
    font-size: 13.5px;
    text-align: center;
  }
  .lang-btn:hover,
  .lang-btn:focus-visible {
    color: var(--brand-blue-800);
  }
  .lang-btn.is-active {
    color: #ffffff;
    background: var(--brand-blue-800);
  }
}


/* Definitional opening sentence (GEO/AEO) — sits under the hero H1. */
.hero-definition {
  max-width: 720px;
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
}

/* Switcher rendered as <a> links in the multi-page build. */
a.lang-btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}