:root {
  color-scheme: light;
  --ink: #10201d;
  --ink-soft: #30413d;
  --paper: #f8f5ee;
  --paper-warm: #eee7dc;
  --line: #d8d0c3;
  --green: #1f5d4d;
  --green-dark: #123a32;
  --teal: #2f7d84;
  --amber: #b9792b;
  --blue: #336f9c;
  --white: #fffdf8;
  --shadow: 0 24px 60px rgba(16, 32, 29, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "Noto Sans TC",
    "PingFang TC",
    "Microsoft JhengHei",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  line-height: 1.7;
}

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

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 24px;
  align-items: center;
  padding: 18px clamp(20px, 4vw, 64px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(9, 22, 20, 0.84), rgba(9, 22, 20, 0.2));
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 12px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border: 1px solid rgba(255, 253, 248, 0.58);
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.95) 0 34%, transparent 34% 100%),
    linear-gradient(135deg, transparent 0 44%, var(--amber) 44% 58%, transparent 58% 100%),
    var(--green);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.2;
}

.brand small {
  color: rgba(255, 253, 248, 0.72);
  font-size: 0.74rem;
  line-height: 1.2;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-size: 0.92rem;
}

.nav-links a {
  color: rgba(255, 253, 248, 0.84);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--white);
}

.header-cta,
.primary-cta,
.secondary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 6px;
  font-weight: 700;
  line-height: 1.2;
}

.header-cta {
  min-width: 76px;
  border: 1px solid rgba(255, 253, 248, 0.48);
  color: var(--white);
}

.hero {
  position: relative;
  display: grid;
  min-height: 84svh;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: 64% center;
  z-index: -2;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(7, 18, 16, 0.96) 0%, rgba(11, 29, 25, 0.78) 40%, rgba(11, 29, 25, 0.25) 72%),
    linear-gradient(180deg, rgba(7, 18, 16, 0.48) 0%, rgba(7, 18, 16, 0.06) 44%, rgba(248, 245, 238, 0.1) 100%);
}

.hero-content {
  width: min(760px, calc(100% - 40px));
  align-self: center;
  padding: 112px 0 84px;
  margin-left: clamp(20px, 6vw, 84px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #e0a454;
}

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

h1 {
  max-width: 12em;
  margin-bottom: 22px;
  font-size: 4.9rem;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 690px;
  margin-bottom: 34px;
  color: rgba(255, 253, 248, 0.86);
  font-size: 1.16rem;
}

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

.primary-cta {
  padding: 14px 22px;
  background: var(--green);
  color: var(--white);
  box-shadow: 0 16px 34px rgba(4, 20, 16, 0.22);
}

.primary-cta:hover,
.primary-cta:focus-visible {
  background: var(--green-dark);
}

.secondary-cta {
  padding: 13px 20px;
  border: 1px solid rgba(255, 253, 248, 0.42);
  color: var(--white);
  background: rgba(255, 253, 248, 0.08);
}

.secondary-cta:hover,
.secondary-cta:focus-visible {
  background: rgba(255, 253, 248, 0.16);
}

.section {
  padding: 88px clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 900px;
  margin-bottom: 36px;
}

.section-heading h2,
.content-column h2,
.final-cta h2 {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: 2.2rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.problem-section {
  background: var(--paper);
}

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

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

.problem-grid article,
.service-card,
.example-grid p {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.72);
  box-shadow: 0 10px 30px rgba(16, 32, 29, 0.05);
}

.problem-grid article {
  padding: 24px;
}

.problem-grid span {
  display: block;
  margin-bottom: 22px;
  color: var(--teal);
  font-weight: 800;
}

.problem-grid h3,
.service-card h3 {
  margin-bottom: 12px;
  font-size: 1.12rem;
  line-height: 1.38;
}

.problem-grid p,
.service-card p,
.example-grid p,
.content-column p {
  color: var(--ink-soft);
}

.services-section {
  background: var(--white);
}

.service-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.service-card {
  padding: 24px;
}

.service-icon {
  display: inline-grid;
  place-items: center;
  min-width: 52px;
  min-height: 38px;
  margin-bottom: 24px;
  padding: 7px 10px;
  border: 1px solid rgba(31, 93, 77, 0.24);
  border-radius: 6px;
  color: var(--green);
  background: #eef5ef;
  font-size: 0.78rem;
  font-weight: 800;
}

.process-section,
.reporting-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.84fr);
  gap: clamp(34px, 5vw, 76px);
  align-items: center;
  background: var(--paper-warm);
}

.reporting-section {
  grid-template-columns: minmax(380px, 0.84fr) minmax(0, 1fr);
  background: var(--white);
}

.media-column img {
  width: 100%;
  border: 1px solid rgba(16, 32, 29, 0.12);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.process-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
  counter-reset: process;
}

.process-list li {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 18px;
  align-items: start;
  padding: 16px 0;
  border-top: 1px solid rgba(16, 32, 29, 0.14);
  counter-increment: process;
}

.process-list strong {
  color: var(--green);
}

.process-list strong::before {
  content: "0" counter(process) " ";
  color: var(--amber);
}

.process-list span {
  color: var(--ink-soft);
}

.example-section {
  background: var(--green-dark);
  color: var(--white);
}

.example-section .section-heading h2 {
  color: var(--white);
}

.example-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.example-grid p {
  min-height: 190px;
  padding: 24px;
  margin: 0;
  color: rgba(255, 253, 248, 0.86);
  background: rgba(255, 253, 248, 0.08);
  border-color: rgba(255, 253, 248, 0.16);
}

.metric-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.metric-list li {
  padding: 14px 16px;
  border-left: 4px solid var(--blue);
  background: #eef4f4;
  color: var(--ink-soft);
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 72px clamp(20px, 5vw, 72px);
  background: var(--ink);
  color: var(--white);
}

.final-cta h2 {
  color: var(--white);
}

.final-cta p {
  max-width: 780px;
  margin-bottom: 0;
  color: rgba(255, 253, 248, 0.78);
}

@media (max-width: 1180px) {
  h1 {
    font-size: 4rem;
  }

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

  .process-section,
  .reporting-section {
    grid-template-columns: 1fr;
  }

  .reporting-section .media-column {
    order: -1;
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 14px;
    padding: 14px 18px;
  }

  .nav-links {
    display: none;
  }

  .brand small {
    display: none;
  }

  .header-cta {
    min-width: 64px;
    min-height: 40px;
  }

  .hero {
    min-height: 86svh;
  }

  .hero-image {
    object-position: 66% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(7, 18, 16, 0.96) 0%, rgba(11, 29, 25, 0.84) 58%, rgba(11, 29, 25, 0.4) 100%),
      linear-gradient(180deg, rgba(7, 18, 16, 0.42) 0%, rgba(7, 18, 16, 0.08) 52%, rgba(248, 245, 238, 0.12) 100%);
  }

  .hero-content {
    width: calc(100% - 36px);
    padding: 92px 0 54px;
    margin-left: 18px;
  }

  h1 {
    max-width: 10.5em;
    font-size: 2.65rem;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
  }

  .primary-cta,
  .secondary-cta {
    width: 100%;
    min-height: 48px;
  }

  .section {
    padding: 60px 18px;
  }

  .section-heading h2,
  .content-column h2,
  .final-cta h2 {
    font-size: 1.78rem;
  }

  .problem-grid,
  .service-grid,
  .example-grid {
    grid-template-columns: 1fr;
  }

  .example-grid p {
    min-height: 0;
  }

  .process-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .final-cta {
    grid-template-columns: 1fr;
    padding: 56px 18px;
  }
}