:root {
  color-scheme: light;
  --paper: oklch(96% 0.006 230);
  --paper-strong: oklch(98% 0.005 230);
  --ink: oklch(18% 0.025 242);
  --ink-muted: oklch(43% 0.018 240);
  --navy-deep: oklch(17% 0.055 245);
  --navy: oklch(24% 0.075 242);
  --navy-soft: oklch(31% 0.06 239);
  --steel: oklch(62% 0.016 238);
  --line: oklch(84% 0.012 232);
  --teal: oklch(53% 0.075 190);
  --teal-dark: oklch(38% 0.065 193);
  --amber: oklch(72% 0.135 65);
  --orange: oklch(68% 0.17 45);
  --night-text: oklch(94% 0.01 230);
  --night-muted: oklch(79% 0.018 230);
  --shadow: 0 22px 60px oklch(18% 0.025 242 / 18%);
  --font-main: "Barlow", "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-main);
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body[data-lang="zh"] {
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", "Barlow", system-ui, sans-serif;
}

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

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 20;
  transform: translateY(-160%);
  background: var(--paper-strong);
  color: var(--navy-deep);
  padding: 0.65rem 0.85rem;
  text-decoration: none;
  box-shadow: var(--shadow);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 12;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto auto;
  gap: clamp(0.75rem, 2vw, 2rem);
  align-items: center;
  min-height: 74px;
  padding: 0.75rem clamp(1rem, 3vw, 2.5rem);
  background: var(--navy-deep);
  color: var(--night-text);
  border-bottom: 1px solid oklch(100% 0.004 230 / 14%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 48px;
  height: 42px;
  padding: 4px;
  border: 1px solid oklch(100% 0.004 230 / 28%);
  background: oklch(96% 0.006 230);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  gap: 0.05rem;
  min-width: 0;
}

.brand-copy strong {
  overflow: hidden;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-copy span {
  color: var(--night-muted);
  font-size: 0.78rem;
  line-height: 1.2;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.75rem, 2vw, 1.45rem);
  color: var(--night-muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.main-nav a {
  position: relative;
  text-decoration: none;
  white-space: nowrap;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.45rem;
  left: 0;
  height: 2px;
  content: "";
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.language-switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  min-width: 118px;
  padding: 3px;
  border: 1px solid oklch(100% 0.004 230 / 22%);
  background: oklch(100% 0.004 230 / 8%);
}

.language-switch button {
  min-height: 34px;
  border: 0;
  background: transparent;
  color: var(--night-muted);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
}

.language-switch button[aria-pressed="true"] {
  background: var(--amber);
  color: var(--navy-deep);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - 132px);
  overflow: hidden;
  color: var(--night-text);
  isolation: isolate;
}

.hero-image,
.hero-scrim {
  position: absolute;
  inset: 0;
}

.hero-image {
  z-index: -3;
  background:
    linear-gradient(90deg, oklch(13% 0.05 245 / 78%), oklch(16% 0.05 245 / 42%) 46%, oklch(13% 0.045 245 / 76%)),
    url("https://upload.wikimedia.org/wikipedia/commons/a/a3/Kaohsiung_Port_Terminal_at_night_20231231.jpg") center / cover;
  transform: scale(1.02);
}

.hero-scrim {
  z-index: -2;
  background: linear-gradient(180deg, oklch(13% 0.045 245 / 58%), transparent 28%, oklch(13% 0.045 245 / 75%) 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 770px) minmax(270px, 345px);
  gap: clamp(2rem, 5vw, 5.5rem);
  align-items: end;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(5rem, 10svh, 7rem) 0 clamp(3rem, 7svh, 4.5rem);
}

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

.eyebrow,
.section-label {
  margin: 0 0 0.85rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--amber);
}

h1,
h2 {
  margin: 0;
  font-weight: 700;
  line-height: 0.98;
}

h1 {
  max-width: 14.6ch;
  font-size: clamp(2.9rem, 6.8vw, 5.7rem);
}

body[data-lang="zh"] h1 {
  max-width: 12.5ch;
  line-height: 1.08;
}

h2 {
  max-width: 14ch;
  font-size: clamp(2.2rem, 4.9vw, 4.75rem);
}

body[data-lang="zh"] h2 {
  line-height: 1.16;
}

.hero-subhead {
  max-width: 67ch;
  margin: 1.35rem 0 0;
  color: var(--night-muted);
  font-size: clamp(1.05rem, 1.45vw, 1.25rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  max-width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.18;
  text-align: center;
  text-decoration: none;
  transition:
    background 180ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 180ms cubic-bezier(0.16, 1, 0.3, 1),
    color 180ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.button-primary {
  background: var(--orange);
  color: var(--navy-deep);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--amber);
}

.button-secondary {
  border-color: oklch(100% 0.004 230 / 36%);
  background: oklch(17% 0.055 245 / 78%);
  color: var(--night-text);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--amber);
}

.operations-panel {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid oklch(100% 0.004 230 / 18%);
  background: oklch(17% 0.055 245 / 86%);
  box-shadow: var(--shadow);
}

.operations-panel p {
  margin: 0;
  color: var(--amber);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.operations-panel ul {
  display: grid;
  gap: 0.72rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.operations-panel li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 0.7rem;
  align-items: baseline;
  color: var(--night-text);
  font-size: 0.98rem;
  line-height: 1.35;
}

.operations-panel li::before {
  width: 8px;
  height: 8px;
  content: "";
  background: var(--teal);
}

.operations-panel > span {
  padding-top: 1rem;
  border-top: 1px solid oklch(100% 0.004 230 / 14%);
  color: var(--night-muted);
  font-size: 0.92rem;
}

.section {
  padding: clamp(4.5rem, 9vw, 8.5rem) 0;
}

.section-inner {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(300px, 1.1fr);
  gap: clamp(2rem, 6vw, 5.75rem);
}

.lead {
  max-width: 65ch;
  margin: 0;
  color: var(--ink-muted);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.8;
}

.call-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 2rem 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.call-strip div {
  min-height: 132px;
  padding: 1.1rem;
  background: var(--paper-strong);
}

.call-strip dt {
  margin: 0 0 0.55rem;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.call-strip dd {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.4;
}

.services {
  background: var(--navy);
  color: var(--night-text);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.services .section-label,
.process .section-label {
  color: var(--amber);
}

.service-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid oklch(100% 0.004 230 / 18%);
}

.service-row {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: center;
  min-height: 104px;
  padding: 1.25rem clamp(0.5rem, 2vw, 1.5rem) 1.25rem 0;
  border-bottom: 1px solid oklch(100% 0.004 230 / 18%);
}

.service-row:nth-child(odd) {
  border-right: 1px solid oklch(100% 0.004 230 / 18%);
}

.service-row span,
.proof-list span,
.process-steps span {
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 700;
}

.service-row p,
.proof-list p,
.process-steps p {
  margin: 0;
  line-height: 1.42;
}

.why {
  background:
    linear-gradient(180deg, oklch(96% 0.006 230), oklch(92% 0.012 230));
}

.why-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(2.25rem, 6vw, 6rem);
  align-items: start;
}

.why-copy {
  position: sticky;
  top: 108px;
}

.proof-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.proof-list div {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 1.15rem;
  align-items: baseline;
  min-height: 92px;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.proof-list p {
  color: var(--ink);
  font-size: clamp(1.06rem, 1.55vw, 1.25rem);
  font-weight: 600;
}

.process {
  background: var(--navy-deep);
  color: var(--night-text);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: oklch(100% 0.004 230 / 18%);
  border: 1px solid oklch(100% 0.004 230 / 18%);
  list-style: none;
}

.process-steps li {
  display: grid;
  align-content: start;
  gap: 1.1rem;
  min-height: 210px;
  padding: 1.25rem;
  background: var(--navy-deep);
}

.process-steps p {
  color: var(--night-text);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  font-weight: 600;
}

.inquiry {
  background: var(--paper-strong);
}

.inquiry-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(320px, 1.28fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.inquiry-intro p:not(.section-label) {
  max-width: 45ch;
  margin: 1.2rem 0 0;
  color: var(--ink-muted);
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: clamp(1rem, 3vw, 1.7rem);
  border: 1px solid var(--line);
  background: var(--paper);
}

.field {
  display: grid;
  gap: 0.45rem;
}

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

.field label {
  color: var(--ink-muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid oklch(72% 0.014 232);
  background: var(--paper-strong);
  color: var(--ink);
  padding: 0.7rem 0.75rem;
  outline: none;
}

.field textarea {
  min-height: 92px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--teal-dark);
  box-shadow: 0 0 0 3px oklch(53% 0.075 190 / 18%);
}

.form-actions {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.5rem;
}

.form-actions .button {
  min-width: min(100%, 260px);
}

.form-status {
  flex: 1 1 250px;
  min-height: 1.5rem;
  margin: 0;
  color: var(--teal-dark);
  font-size: 0.92rem;
  font-weight: 700;
}

.site-footer {
  background: var(--navy-deep);
  color: var(--night-muted);
  padding: 2.3rem 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(230px, 0.75fr);
  gap: 2rem;
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-footer strong {
  color: var(--night-text);
}

.site-footer p {
  margin: 0.35rem 0 0;
}

.photo-credit {
  align-self: end;
  font-size: 0.82rem;
  line-height: 1.5;
}

.photo-credit a {
  color: var(--amber);
}

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

@media (max-width: 1040px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }

  .hero-inner,
  .two-column,
  .why-grid,
  .inquiry-grid {
    grid-template-columns: 1fr;
  }

  .operations-panel {
    max-width: 460px;
  }

  .why-copy {
    position: static;
  }

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

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .site-header {
    min-height: auto;
  }

  .brand-copy strong {
    max-width: 54vw;
  }

  .language-switch {
    min-width: 108px;
  }

  .hero {
    min-height: calc(100svh - 150px);
  }

  .hero-inner {
    width: min(100% - 1rem, 1160px);
    padding-top: 5.5rem;
  }

  h1 {
    max-width: 12.2ch;
    font-size: clamp(2.45rem, 13vw, 3.8rem);
  }

  h2 {
    max-width: 15ch;
  }

  .hero-actions,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .call-strip,
  .service-ledger,
  .inquiry-form,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .service-row:nth-child(odd) {
    border-right: 0;
  }

  .service-row {
    grid-template-columns: 3.2rem minmax(0, 1fr);
    min-height: 88px;
    padding-right: 0;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .process-steps li {
    min-height: 150px;
  }

  .field-full {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}