:root {
  --ink: #12161d;
  --muted: #5c6675;
  --line: #d9dee7;
  --panel: #ffffff;
  --soft: #f4f7fb;
  --steel: #263241;
  --teal: #007f7a;
  --amber: #d9822b;
  --green: #2e7d4f;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(18, 22, 29, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
  line-height: 1.6;
  background: var(--white);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 5vw;
  border-bottom: 1px solid rgba(217, 222, 231, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  color: var(--white);
  background: linear-gradient(135deg, var(--teal), var(--steel));
}

.nav {
  display: flex;
  gap: 26px;
  font-size: 15px;
  color: var(--muted);
}

.nav a:hover {
  color: var(--ink);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 6px;
  font-weight: 800;
}

.header-cta {
  padding: 0 18px;
  color: var(--white);
  background: var(--teal);
}

.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--steel);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 16, 24, 0.92) 0%, rgba(10, 16, 24, 0.74) 38%, rgba(10, 16, 24, 0.24) 74%),
    linear-gradient(0deg, rgba(10, 16, 24, 0.56), rgba(10, 16, 24, 0.08));
}

.hero-content {
  position: relative;
  width: min(760px, 90vw);
  margin-left: 5vw;
  padding: 120px 0 150px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  border: 1px solid transparent;
  padding: 0 22px;
  cursor: pointer;
}

.button.primary {
  color: var(--white);
  background: var(--teal);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.08);
}

.button.outline {
  color: var(--teal);
  border-color: rgba(0, 127, 122, 0.38);
  background: var(--white);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.trust-strip div {
  padding: 24px 5vw;
  background: var(--white);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip span {
  margin-top: 4px;
  color: var(--muted);
}

.section,
.band,
.pricing-band {
  padding: 88px 5vw;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-heading.align-left {
  margin-left: 0;
  text-align: left;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.pricing-copy p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card,
.case-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 14px 35px rgba(18, 22, 29, 0.06);
}

.service-card {
  min-height: 360px;
  padding: 28px;
}

.card-number {
  color: var(--teal);
  font-weight: 900;
}

.service-card h3,
.case-list h3 {
  margin: 14px 0 10px;
  font-size: 24px;
  line-height: 1.25;
}

.service-card p,
.case-list p {
  margin: 0;
  color: var(--muted);
}

.service-card ul {
  margin: 22px 0 0;
  padding-left: 20px;
  color: var(--steel);
}

.band {
  background: var(--soft);
}

.audience-band {
  padding-top: 72px;
  padding-bottom: 78px;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.audience-grid span {
  display: grid;
  place-items: center;
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--steel);
  font-weight: 900;
  background: var(--white);
}

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

.case-list article {
  padding: 24px;
}

.airport-case {
  padding-top: 0;
}

.case-feature {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(340px, 1.1fr);
  gap: 36px;
  align-items: center;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.case-feature-copy p:not(.eyebrow) {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.case-points {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding-left: 20px;
  color: var(--steel);
  font-weight: 800;
}

.case-feature-image {
  margin: 0;
}

.case-feature-image img,
.case-gallery img {
  display: block;
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
  background: var(--line);
}

.case-feature-image img {
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow);
}

.case-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.case-gallery img {
  aspect-ratio: 1 / 1;
}

.privacy-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 64px;
  align-items: start;
}

.steps {
  display: grid;
  gap: 16px;
}

.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border-left: 4px solid var(--teal);
  background: var(--soft);
}

.step span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: var(--white);
  font-weight: 900;
  background: var(--steel);
}

.step p {
  margin: 0;
  color: var(--steel);
}

.pricing-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 50px;
  align-items: center;
  color: var(--white);
  background: linear-gradient(135deg, #1b2633, #123c3a 64%, #5a3b1e);
}

.pricing-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.pricing-grid div {
  min-height: 128px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.pricing-grid strong,
.pricing-grid span {
  display: block;
}

.pricing-grid strong {
  font-size: 18px;
}

.pricing-grid span {
  margin-top: 14px;
  color: #ffd4a4;
  font-size: 22px;
  font-weight: 900;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1.2fr);
  gap: 56px;
  align-items: start;
  background: var(--white);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-direct {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--steel);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
  background: var(--white);
}

textarea {
  resize: vertical;
}

.form-button {
  width: 100%;
  margin-top: 6px;
  border: 0;
}

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

.footer {
  padding: 28px 5vw;
  color: rgba(255, 255, 255, 0.75);
  background: var(--ink);
}

.footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .hero {
    min-height: 620px;
  }

  .trust-strip,
  .service-grid,
  .case-list,
  .audience-grid,
  .case-feature,
  .split,
  .pricing-band,
  .contact-section {
    grid-template-columns: 1fr;
  }

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

  .case-list {
    gap: 14px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 62px;
    padding: 0 18px;
  }

  .brand span:last-child {
    max-width: 7em;
    line-height: 1.1;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 12px;
    font-size: 14px;
  }

  .hero {
    min-height: 640px;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(10, 16, 24, 0.92), rgba(10, 16, 24, 0.58));
  }

  .hero-content {
    width: auto;
    margin: 0;
    padding: 96px 22px 120px;
  }

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

  .button {
    width: 100%;
  }

  .section,
  .band,
  .pricing-band {
    padding: 64px 22px;
  }

  .trust-strip div {
    padding: 20px 22px;
  }

  .service-card,
  .case-list article,
  .case-feature,
  .contact-form {
    padding: 22px;
  }

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