:root {
  --color-bg: #F3EBD8;
  --color-bg-alt: #E9DFC9;
  --color-surface: #FDFAF2;
  --color-primary: #5C4739;
  --color-primary-dark: #302C28;
  --color-text: #302C28;
  --color-text-soft: #73553F;
  --color-accent: #B77A62;
  --color-accent-2: #C7925C;
  --color-border: #D8C3A2;
  --color-line: #06C755;
  --shadow-soft: 0 8px 24px rgba(48, 44, 40, 0.08);
  --radius: 14px;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { color: var(--color-primary-dark); line-height: 1.4; margin: 0 0 0.6em; }

p { margin: 0 0 1em; }

a { color: inherit; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 250, 242, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-right: auto;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-bg-alt);
  border: 2px solid var(--color-surface);
  box-shadow: 0 2px 8px rgba(48, 44, 40, 0.18);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-main {
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
}

.brand-sub {
  font-size: 0.72rem;
  color: var(--color-text-soft);
}

.main-nav {
  display: flex;
  gap: 22px;
}

.main-nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.main-nav a:hover { border-color: var(--color-accent); }

.header-cta {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-surface);
  background: var(--color-primary);
  padding: 9px 16px;
  border-radius: 999px;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-primary-dark);
  display: block;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

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

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

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

/* Hero */
.hero {
  position: relative;
  padding: 76px 20px 68px;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(480px 320px at 88% -10%, rgba(183, 122, 98, 0.22), transparent 65%),
    radial-gradient(420px 300px at 8% 110%, rgba(92, 71, 57, 0.16), transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.8fr;
  align-items: center;
  gap: 40px;
  text-align: left;
}

.hero-copy { max-width: 620px; }

.hero-mascot {
  display: flex;
  justify-content: center;
}

.hero-mascot img {
  width: 100%;
  max-width: 300px;
  filter: drop-shadow(0 14px 22px rgba(48, 44, 40, 0.25));
}

.listing-cta {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 32px;
  margin-top: 44px;
}

.listing-cta h3 { font-size: 1.15rem; }

.listing-cta p { color: var(--color-text-soft); }

/* 我的案子 listings */
.listing-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filter-chip {
  font: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-soft);
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-chip:hover { border-color: var(--color-accent); color: var(--color-accent); }

.filter-chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-surface);
}

.listing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.listing-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.listing-card:hover { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(48, 44, 40, 0.16); }

.listing-photo {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.listing-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.listing-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary-dark);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.listing-body { padding: 18px 20px 20px; }

.listing-body h3 {
  font-size: 1rem;
  margin: 0 0 8px;
  line-height: 1.4;
}

.listing-address {
  font-size: 0.84rem;
  color: var(--color-text-soft);
  margin: 0 0 12px;
}

.listing-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.listing-tags span {
  font-size: 0.78rem;
  background: var(--color-bg-alt);
  color: var(--color-text-soft);
  padding: 3px 10px;
  border-radius: 999px;
}

.listing-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-bg-alt);
  padding-top: 12px;
}

.listing-price {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-accent-2);
}

.listing-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
}

.hero-eyebrow {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 900;
}

.hero-lead {
  color: var(--color-text-soft);
  font-size: 1.02rem;
  margin: 20px 0 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
}

.listing-cta .hero-actions { margin-top: 22px; }

.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover { box-shadow: 0 12px 26px rgba(48, 44, 40, 0.22); }

.btn-outline {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-primary);
}

.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* Icons */
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--color-bg-alt);
  color: var(--color-accent);
  margin-bottom: 16px;
}

.service-icon svg { width: 24px; height: 24px; }

/* Card hover lift */
.service-card,
.case-card,
.tool-card,
.highlight-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover,
.case-card:hover,
.tool-card:hover,
.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

/* Scroll reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Sections */
.section { padding: 68px 20px; }

.section-alt { background: var(--color-bg-alt); }

.section-inner { max-width: var(--max-width); margin: 0 auto; }

.section-eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.section h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  max-width: 720px;
  margin-bottom: 32px;
}

.section-note {
  color: var(--color-text-soft);
  font-size: 0.92rem;
  max-width: 680px;
  margin-top: -16px;
  margin-bottom: 32px;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
}

.about-text p { color: var(--color-text-soft); }

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.highlight-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}

.highlight-num {
  display: inline-block;
  font-weight: 900;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.highlight-card p { margin: 0; color: var(--color-text-soft); font-size: 0.92rem; }

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-soft);
  border-top: 4px solid var(--color-accent);
}

.service-sub {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.service-card p:last-child { color: var(--color-text-soft); font-size: 0.94rem; margin-bottom: 0; }

/* Case / portfolio */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--color-border);
}

.case-tag {
  display: inline-block;
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.case-card h3 { font-size: 1.05rem; }

.case-card p:last-child { color: var(--color-text-soft); font-size: 0.92rem; margin-bottom: 0; }

/* Tools */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tool-card {
  display: block;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  transition: transform 0.15s ease;
}

.tool-card:hover { transform: translateY(-2px); }

.tool-card p { color: var(--color-text-soft); font-size: 0.94rem; }

.tool-link { color: var(--color-accent); font-weight: 700; font-size: 0.9rem; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-decoration: none;
  color: var(--color-text);
}

.contact-method strong { display: block; color: var(--color-primary-dark); }

.contact-method p { margin: 2px 0 0; font-size: 0.85rem; color: var(--color-text-soft); }

.contact-icon {
  font-size: 1.3rem;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: 50%;
  flex-shrink: 0;
}

.contact-line .contact-icon { background: var(--color-line); color: #fff; font-size: 0.7rem; font-weight: 900; }

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.form-note {
  font-size: 0.78rem;
  color: var(--color-text-soft);
  margin: 0;
}

/* Floating LINE button */
.line-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 200;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-line);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 900;
  line-height: 1.2;
  box-shadow: 0 6px 18px rgba(6, 199, 85, 0.45);
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: #E9DFC9;
  padding: 40px 20px 32px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-tagline {
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  font-size: 1.02rem;
}

.footer-disclosure p {
  margin: 4px 0;
  font-size: 0.8rem;
  color: #C7B8A0;
}

/* Responsive */
@media (max-width: 860px) {
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .service-grid,
  .case-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .listing-grid { grid-template-columns: 1fr; }
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-copy { max-width: none; margin: 0 auto; }
  .hero-actions { justify-content: center; }
  .hero-mascot { order: -1; }
  .hero-mascot img { max-width: 220px; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: 14px 20px 20px;
    border-bottom: 1px solid var(--color-border);
    display: none;
    gap: 4px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 4px; border-bottom: 1px solid var(--color-bg-alt); }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 52px 18px 44px; }
  .section { padding: 48px 18px; }
  .line-float { width: 56px; height: 56px; right: 14px; bottom: 14px; }
}