:root {
  --ink: #141210;
  --ink-2: #1c1916;
  --ink-3: #2a2520;
  --paper: #f4efe6;
  --bone: #e8dfd0;
  --rust: #c24e1d;
  --rust-2: #e06a2e;
  --rust-dark: #8e3512;
  --steel: #8a8478;
  --line: rgba(194, 78, 29, 0.38);
  --white: #fffaf3;
  --shadow: 0 18px 40px rgba(20, 18, 16, 0.18);
  --radius: 2px;
  --header-h: 84px;
  --z-header: 1000;
  --z-overlay: 2000;
  --z-top: 1900;
  --space: 1.25rem;
  --max: 1180px;
  --font-display: "Archivo Black", "Noto Sans TC", sans-serif;
  --font-body: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  min-height: 100dvh;
}

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

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -40px;
  background: var(--rust);
  color: var(--white);
  padding: 0.5rem 1rem;
  z-index: 3000;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  background: rgba(20, 18, 16, 0.94);
  color: var(--white);
  border-bottom: 3px solid var(--rust);
  backdrop-filter: blur(12px);
}

.site-header.is-stuck {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: var(--rust);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-text strong {
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.logo-text small {
  color: var(--bone);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-left: auto;
}

.desktop-nav > a,
.nav-drop > .nav-parent {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.35rem 0.7rem;
  color: var(--bone);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.desktop-nav > a:hover,
.desktop-nav > a.is-active,
.nav-drop:hover > .nav-parent,
.nav-parent.is-active {
  color: var(--white);
}

.nav-drop {
  position: relative;
}

.nav-drop-menu {
  position: absolute;
  top: calc(100% - 0.2rem);
  left: 0;
  min-width: 200px;
  background: var(--ink-2);
  border-top: 3px solid var(--rust);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: 0.2s ease;
  box-shadow: var(--shadow);
}

.nav-drop:hover .nav-drop-menu,
.nav-drop:focus-within .nav-drop-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.nav-drop-menu a {
  display: block;
  padding: 0.55rem 1rem;
  color: var(--bone);
  font-size: 0.88rem;
}

.nav-drop-menu a:hover {
  background: rgba(194, 78, 29, 0.18);
  color: var(--white);
}

.header-cta {
  margin-left: 0.5rem;
}

.menu-toggle,
.nav-close {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 250, 243, 0.2);
  background: transparent;
  color: var(--white);
  cursor: pointer;
  margin-left: auto;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
  margin: 0 auto;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle span::before {
  top: -6px;
}

.menu-toggle span::after {
  top: 6px;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100dvh;
  z-index: var(--z-overlay);
  background: var(--ink);
  color: var(--white);
  display: none;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.nav-overlay.is-open {
  display: block;
}

.nav-overlay-inner {
  min-height: 100dvh;
  padding: 1.1rem 1.25rem 2.5rem;
  display: flex;
  flex-direction: column;
}

.nav-overlay-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.nav-overlay .nav-close {
  display: grid;
  place-items: center;
  margin: 0;
  font-size: 1.6rem;
}

.nav-overlay-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
}

.nav-overlay-nav a {
  display: block;
  padding: 0.85rem 0.2rem;
  border-bottom: 1px solid rgba(255, 250, 243, 0.08);
  font-size: 1.15rem;
}

.nav-overlay-nav .sub a {
  padding-left: 1rem;
  font-size: 1rem;
  color: var(--bone);
}

.nav-overlay .btn {
  margin-top: 1.5rem;
  align-self: stretch;
  justify-content: center;
}

body.menu-open {
  overflow: hidden;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.7rem 1.25rem;
  background: var(--rust);
  color: var(--white);
  border: 0;
  cursor: pointer;
  letter-spacing: 0.08em;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 100%, 12px 100%);
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  background: var(--rust-2);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--white);
  clip-path: none;
}

.btn-ghost:hover {
  background: var(--white);
  color: var(--ink);
}

.btn-dark {
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: min(88dvh, 760px);
  display: grid;
  align-items: end;
  color: var(--white);
  background: var(--ink) center / cover no-repeat;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(20, 18, 16, 0.88) 0%, rgba(20, 18, 16, 0.55) 58%, rgba(20, 18, 16, 0.28) 100%),
    linear-gradient(180deg, rgba(20, 18, 16, 0.15), rgba(20, 18, 16, 0.72));
  z-index: -1;
}

.hero-page {
  min-height: 360px;
  align-items: center;
}

.hero-content {
  padding: 5rem 0 4rem;
  max-width: 720px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--rust-2);
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--rust);
}

.hero h1,
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 6vw, 4.6rem);
  line-height: 1.08;
  margin: 0.6rem 0 1rem;
  letter-spacing: 0.02em;
}

.hero p {
  font-size: 1.08rem;
  color: var(--bone);
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.section {
  padding: 5rem 0;
}

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

.section-bone {
  background: var(--bone);
}

.section-head {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 2.4rem;
  max-width: 42rem;
}

.section-num {
  font-family: var(--font-display);
  color: var(--rust);
  letter-spacing: 0.16em;
  font-size: 0.85rem;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  margin: 0;
}

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

.section-dark .lead {
  color: #cfc6b8;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1.25rem;
}

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

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

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

.card,
.feature,
.service-card,
.article-card {
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.feature {
  padding: 1.5rem 1.3rem 1.4rem;
  border-top: 4px solid var(--rust);
}

.feature h3,
.service-card h3,
.article-card h3 {
  margin: 0.4rem 0 0.5rem;
  font-size: 1.15rem;
}

.feature p,
.service-card p,
.article-card p {
  margin: 0;
  color: var(--steel);
}

.service-card img,
.article-card img,
.case-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.service-card .body,
.article-card .body,
.case-card .body {
  padding: 1.1rem 1.15rem 1.25rem;
}

.case-card {
  position: relative;
  color: var(--white);
  min-height: 240px;
  display: grid;
  align-items: end;
  overflow: hidden;
}

.case-card img {
  position: absolute;
  inset: 0;
  height: 100%;
  z-index: 0;
}

.case-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent, rgba(20, 18, 16, 0.86));
  z-index: 1;
}

.case-card .body {
  position: relative;
  z-index: 2;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.split img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
}

.checklist li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.6rem;
  border-bottom: 1px solid var(--line);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 10px;
  height: 10px;
  background: var(--rust);
}

.cta-band {
  background:
    linear-gradient(90deg, rgba(20, 18, 16, 0.88), rgba(194, 78, 29, 0.78)),
    center / cover no-repeat;
  color: var(--white);
  padding: 4rem 0;
}

.cta-band h2 {
  margin-bottom: 0.8rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.contact-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.contact-form,
.map-placeholder {
  background: var(--white);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.95rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid #d8d0c4;
  background: #fff;
  padding: 0.75rem 0.8rem;
}

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

.form-status {
  min-height: 1.4rem;
  color: var(--rust-dark);
  margin: 0.4rem 0 0;
}

.map-placeholder {
  min-height: 280px;
  display: grid;
  place-items: center;
  text-align: center;
  background:
    linear-gradient(rgba(20, 18, 16, 0.55), rgba(20, 18, 16, 0.55)),
    var(--ink-3);
  color: var(--white);
}

.article-body {
  max-width: 760px;
  margin: 0 auto;
}

.article-body h2,
.article-body h3 {
  font-family: var(--font-display);
  margin-top: 2rem;
}

.article-body img {
  margin: 1.2rem 0;
}

.article-body figure {
  margin: 1.2rem 0;
}

.article-body ul,
.article-body ol {
  padding-left: 1.25rem;
}

.article-body a {
  color: var(--rust-dark);
  text-decoration: underline;
}

.wp-block-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.back-to-top {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: var(--z-top);
  width: 46px;
  height: 46px;
  border: 0;
  background: var(--ink);
  color: var(--white);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.site-footer {
  background: var(--ink);
  color: var(--bone);
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 250, 243, 0.08);
}

.footer-nav {
  display: grid;
  gap: 0.4rem;
}

.site-footer a:hover {
  color: var(--white);
}

.copyright {
  padding-top: 1.2rem;
  font-size: 0.85rem;
  color: var(--steel);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.7s ease forwards;
}

.reveal:nth-child(2) { animation-delay: 0.08s; }
.reveal:nth-child(3) { animation-delay: 0.16s; }
.reveal:nth-child(4) { animation-delay: 0.24s; }

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

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

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .grid-4,
  .grid-3,
  .grid-2,
  .split,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  :root {
    --header-h: 72px;
  }

  .container {
    width: min(var(--max), calc(100% - 1.5rem));
  }

  .hero-content,
  .section {
    padding-top: 3.2rem;
    padding-bottom: 3.2rem;
  }

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