:root {
  --color-bg: #f7f3ea;
  --color-surface: #e8e1d5;
  --color-text: #221f1a;
  --color-muted: #6f675d;
  --color-primary: #c7472f;
  --color-trust: #173b57;
  --color-growth: #2f6b4f;
  --color-premium: #c6a15b;
  --color-border: #d6cbbb;
  --color-white: #fffdf8;
  --shadow-soft: 0 18px 50px rgba(23, 59, 87, 0.12);
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC",
    "Microsoft JhengHei", sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(214, 203, 187, 0.72);
  background: rgba(247, 243, 234, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 150px;
  font-weight: 800;
  color: var(--color-trust);
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 3vw, 32px);
  color: var(--color-muted);
  font-size: 0.95rem;
}

.nav-links a {
  padding: 8px 0;
}

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

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.2;
}

.nav-cta,
.button.primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.nav-cta:hover,
.button.primary:hover {
  background: #a93625;
}

.button.secondary {
  border-color: var(--color-trust);
  color: var(--color-trust);
}

.button.secondary:hover {
  background: rgba(23, 59, 87, 0.08);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(78svh - 72px);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 26%;
  background: linear-gradient(180deg, rgba(247, 243, 234, 0), var(--color-bg));
  pointer-events: none;
}

.hero-mark {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(88vw, 900px);
  opacity: 0.12;
  transform: translate(-34%, -48%);
  filter: saturate(0.9);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(var(--max-width), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(40px, 6vw, 76px) 0 clamp(24px, 4vw, 44px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--color-growth);
  font-size: 0.85rem;
  font-weight: 900;
}

.eyebrow-rotate {
  display: inline-block;
  overflow: hidden;
  height: 1.4em;
  vertical-align: bottom;
}

.eyebrow-rotate span {
  display: block;
  animation: eyebrow-cycle 9s infinite;
}

@keyframes eyebrow-cycle {
  0%   { transform: translateY(0);      opacity: 1; }
  28%  { transform: translateY(0);      opacity: 1; }
  33%  { transform: translateY(-100%);  opacity: 0; }
  34%  { transform: translateY(100%);   opacity: 0; }
  38%  { transform: translateY(0);      opacity: 1; }
  61%  { transform: translateY(0);      opacity: 1; }
  66%  { transform: translateY(-100%);  opacity: 0; }
  67%  { transform: translateY(100%);   opacity: 0; }
  71%  { transform: translateY(0);      opacity: 1; }
  95%  { transform: translateY(0);      opacity: 1; }
  100% { transform: translateY(0);      opacity: 1; }
}

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

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  color: var(--color-trust);
  font-size: clamp(3.6rem, 10vw, 7.5rem);
  line-height: 0.9;
}

.hero-lede {
  max-width: 720px;
  margin-bottom: 28px;
  color: #37312a;
  font-size: clamp(1.12rem, 2.2vw, 1.45rem);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 42px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 160px));
  gap: 10px;
  margin: 0;
}

.hero-stats div {
  border-left: 4px solid var(--color-premium);
  padding-left: 14px;
}

.hero-stats dt {
  color: var(--color-trust);
  font-size: 1rem;
  font-weight: 900;
}

.hero-stats dd {
  margin: 2px 0 0;
  color: var(--color-muted);
}

.section {
  padding: clamp(64px, 8vw, 108px) 0;
}

.section-inner {
  width: min(var(--max-width), calc(100% - 36px));
  margin: 0 auto;
}

.intro-band {
  padding: clamp(34px, 5vw, 58px) 0;
  background: var(--color-trust);
  color: var(--color-white);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.intro-grid .section-kicker {
  color: var(--color-premium);
}

.intro-grid h2 {
  margin-bottom: 0;
  font-size: clamp(1.7rem, 4vw, 3.1rem);
  line-height: 1.18;
}

.intro-grid p:last-child {
  margin-bottom: 0;
  color: rgba(255, 253, 248, 0.82);
  font-size: 1.05rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: clamp(28px, 5vw, 46px);
}

.section-heading.wide {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.75fr);
  gap: 28px;
  max-width: none;
  align-items: end;
}

.section-heading h2,
.custom-layout h2,
.quote-layout h2,
.contact-layout h2,
.faq-layout h2 {
  margin-bottom: 0;
  color: var(--color-trust);
  font-size: clamp(2rem, 4.8vw, 4rem);
  line-height: 1.12;
}

.section-heading p:last-child,
.custom-layout p,
.quote-layout p,
.contact-layout p {
  color: var(--color-muted);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.service-item {
  padding: 24px;
  background: var(--color-bg);
}

.service-number {
  display: block;
  margin-bottom: 20px;
  color: var(--color-premium);
  font-weight: 900;
}

.service-item h3 {
  color: var(--color-trust);
  font-size: 1.35rem;
}

.service-item p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.cases-section {
  background: var(--color-surface);
}

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

.case-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.72fr) minmax(0, 1fr);
  min-height: 330px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  box-shadow: var(--shadow-soft);
}

.case-visual {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
}

.case-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

.case-zoomable {
  cursor: zoom-in;
}

.case-zoomable:hover img {
  transform: scale(1.03);
  transition: transform 0.3s ease;
}

.zoom-hint {
  position: absolute;
  bottom: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(23, 59, 87, 0.82);
  color: #fffdf8;
  font-size: 0.78rem;
  font-weight: 800;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}

.case-zoomable:hover .zoom-hint {
  opacity: 1;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(23, 59, 87, 0.88);
  backdrop-filter: blur(8px);
  padding: 24px;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 10px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.4);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 253, 248, 0.15);
  color: #fffdf8;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox-close:hover {
  background: rgba(255, 253, 248, 0.25);
}

.case-content {
  display: flex;
  flex-direction: column;
  padding: 30px;
}

.case-type {
  width: fit-content;
  margin-bottom: 16px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(47, 107, 79, 0.12);
  color: var(--color-growth);
  font-size: 0.82rem;
  font-weight: 900;
}

.case-content h3 {
  margin-bottom: 12px;
  color: var(--color-trust);
  font-size: 1.6rem;
  line-height: 1.18;
}

.case-content p:not(.case-type) {
  color: var(--color-muted);
}

.case-content a {
  width: fit-content;
  margin-top: auto;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--color-premium);
  color: var(--color-trust);
  font-weight: 900;
}

.case-content a:hover {
  color: var(--color-primary);
}

.pricing-section,
.quote-section,
.faq-section {
  background: var(--color-white);
}

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

.price-card {
  display: flex;
  flex-direction: column;
  min-height: 510px;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
}

.price-card.featured {
  border-color: var(--color-trust);
  background: var(--color-trust);
  color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.plan-label {
  width: fit-content;
  margin-bottom: 18px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(198, 161, 91, 0.18);
  color: var(--color-premium);
  font-size: 0.82rem;
  font-weight: 900;
}

.featured .plan-label {
  background: rgba(198, 161, 91, 0.25);
}

.price-card h3 {
  margin-bottom: 12px;
  font-size: 1.55rem;
}

.price {
  margin-bottom: 18px;
  color: var(--color-primary);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.05;
}

.featured .price {
  color: var(--color-premium);
}

.price span {
  font-size: 1rem;
}

.plan-copy {
  min-height: 84px;
  color: var(--color-muted);
}

.featured .plan-copy,
.featured li {
  color: rgba(255, 253, 248, 0.82);
}

.price-card ul {
  display: grid;
  gap: 10px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.price-card li {
  position: relative;
  padding-left: 20px;
  color: var(--color-muted);
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-premium);
}

.addon-list {
  border-top: 1px solid var(--color-border);
}

.addon-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.addon-row span {
  color: var(--color-trust);
  font-size: 1.08rem;
  font-weight: 800;
}

.addon-row strong {
  color: var(--color-primary);
  text-align: right;
}

.custom-section {
  background: var(--color-surface);
}

.custom-layout,
.quote-layout,
.contact-layout,
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(30px, 6vw, 76px);
  align-items: start;
}

.custom-prices {
  display: grid;
  gap: 12px;
}

.custom-prices div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 88px;
  padding: 22px;
  border-left: 5px solid var(--color-premium);
  background: var(--color-bg);
}

.custom-prices span {
  color: var(--color-trust);
  font-weight: 900;
}

.custom-prices strong {
  color: var(--color-primary);
  white-space: nowrap;
}

.quote-box {
  display: grid;
  gap: 12px;
}

.quote-box label {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 58px;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-trust);
  font-weight: 800;
}

.quote-box input {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
}

.quote-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 6px;
  padding: 22px;
  border-radius: 8px;
  background: var(--color-trust);
  color: var(--color-white);
}

.quote-total strong {
  color: var(--color-premium);
  font-size: clamp(1.35rem, 3vw, 2rem);
  text-align: right;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.process-list li {
  min-height: 250px;
  padding: 24px;
  border-top: 4px solid var(--color-trust);
  background: var(--color-white);
}

.process-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 34px;
  border-radius: 50%;
  background: var(--color-premium);
  color: var(--color-trust);
  font-weight: 900;
}

.process-list strong {
  display: block;
  margin-bottom: 8px;
  color: var(--color-trust);
  font-size: 1.2rem;
}

.process-list p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
}

summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--color-trust);
  font-weight: 900;
}

details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--color-muted);
}

.contact-section {
  background: var(--color-trust);
  color: var(--color-white);
}

.contact-layout h2 {
  color: var(--color-white);
}

.contact-layout p {
  color: rgba(255, 253, 248, 0.82);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: end;
  justify-content: flex-end;
}

.contact-actions .button.secondary {
  border-color: var(--color-premium);
  color: var(--color-white);
}

.contact-actions .button.secondary:hover {
  background: rgba(198, 161, 91, 0.15);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 28px 18px;
  color: var(--color-muted);
  text-align: center;
  line-height: 1;
}

.site-footer p {
  margin: 0;
  line-height: 1.4;
}

.site-footer img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
  align-self: center;
  mix-blend-mode: multiply;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border: none;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--color-trust);
  transition: transform 0.25s, opacity 0.25s;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  z-index: 19;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  background: rgba(247, 243, 234, 0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

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

.mobile-nav-link {
  padding: 14px 16px;
  border-radius: 8px;
  color: var(--color-trust);
  font-size: 1.08rem;
  font-weight: 800;
}

.mobile-nav-link:hover {
  background: var(--color-surface);
}

.mobile-nav-cta {
  margin-top: 8px;
  text-align: center;
}

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

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-mark {
    left: 50%;
    width: 720px;
    opacity: 0.14;
    transform: translate(-22%, -47%);
  }

  .intro-grid,
  .section-heading.wide,
  .custom-layout,
  .quote-layout,
  .contact-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

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

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

  .case-card {
    grid-template-columns: minmax(180px, 0.72fr) minmax(0, 1fr);
  }

  .case-visual {
    min-height: 210px;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 66px;
  }

  .brand {
    min-width: 0;
  }

  .brand span {
    font-size: 0.98rem;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .nav-cta {
    min-height: 40px;
    padding: 9px 12px;
    font-size: 0.88rem;
  }

  .hero {
    min-height: calc(82svh - 66px);
  }

  .hero-inner {
    width: min(100% - 28px, var(--max-width));
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .case-grid,
  .pricing-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .service-item,
  .price-card,
  .process-list li {
    min-height: auto;
  }

  .addon-row,
  .custom-prices div,
  .quote-total {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .addon-row strong,
  .quote-total strong {
    text-align: left;
  }

  .button {
    width: 100%;
  }

  .hero-actions,
  .contact-actions {
    width: 100%;
  }
}