/* ================================================
   佶泰有限公司 — 主樣式表
   設計風格：誠實感・專業・清晰
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@400;500;600;700&family=Noto+Sans+TC:wght@300;400;500;700&display=swap');

/* ================================================
   CSS 變數
   ================================================ */
:root {
  --navy:        #1B3A6B;
  --navy-dark:   #0E2444;
  --navy-light:  #2A4F8F;
  --amber:       #C99A0E;
  --amber-dark:  #A8800C;
  --amber-light: #F0C040;
  --warm-white:  #F8F7F4;
  --white:       #FFFFFF;
  --charcoal:    #2D2D2D;
  --gray:        #6B7280;
  --light-gray:  #E5E7EB;
  --line-green:  #06C755;
  --line-dark:   #05A847;

  --font-serif: 'Noto Serif TC', serif;
  --font-sans:  'Noto Sans TC', sans-serif;

  --section-py:    5rem;
  --container-max: 1200px;
  --container-px:  1.5rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.14);

  --transition: 0.3s ease;
}

/* ================================================
   RESET
   ================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ================================================
   CONTAINER
   ================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

/* ================================================
   TYPOGRAPHY
   ================================================ */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  line-height: 1.3;
  font-weight: 600;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
h4 { font-size: 1.05rem; }
p  { line-height: 1.85; color: var(--gray); }

.section-title {
  text-align: center;
  color: var(--navy);
  margin-bottom: 0.75rem;
}
.section-subtitle {
  text-align: center;
  color: var(--gray);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* ================================================
   BUTTONS
   ================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: var(--amber);
  color: var(--white);
  border-color: var(--amber);
}
.btn-primary:hover {
  background: var(--amber-dark);
  border-color: var(--amber-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.65);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-outline-navy {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-navy:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-line {
  background: var(--line-green);
  color: var(--white);
  border-color: var(--line-green);
}
.btn-line:hover {
  background: var(--line-dark);
  border-color: var(--line-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(6,199,85,0.35);
}
.btn-navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-navy:hover {
  background: var(--navy-dark);
  border-color: var(--navy-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ================================================
   HEADER / NAV
   ================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--light-gray);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem var(--container-px);
  max-width: var(--container-max);
  margin: 0 auto;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo img {
  height: 44px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav-logo-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
}
.nav-logo-sub { font-size: 0.68rem; color: var(--gray); letter-spacing: 0.04em; }

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: center;
}
.nav-link {
  padding: 0.5rem 0.8rem;
  font-size: 0.93rem;
  color: var(--charcoal);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--navy);
  background: rgba(27,58,107,0.07);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.nav-line-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  background: var(--line-green);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-line-btn:hover {
  background: var(--line-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(6,199,85,0.3);
}
.nav-line-btn svg { flex-shrink: 0; }

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ================================================
   HERO
   ================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 8rem 1.5rem 5rem;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://4aa2b5cf41.clvaw-cdnwnd.com/58dde6e8c339ddd9fdc44df3eabf7f10/200000355-8a73f8a740/103725053_3502618713084999_742399826825965227_o.webp');
  background-size: cover;
  background-position: center;
  filter: brightness(0.38);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  color: var(--white);
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-light);
  margin-bottom: 1.25rem;
  font-weight: 500;
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  color: var(--white);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}
.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.82);
  line-height: 1.75;
  margin-bottom: 2.75rem;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  animation: scrollBounce 2.2s infinite;
}
.hero-scroll-bar {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.45));
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(7px); }
}

/* ================================================
   STATS BAR
   ================================================ */
.stats {
  background: var(--navy);
  padding: 2.75rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--amber-light);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-label {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.72);
  letter-spacing: 0.04em;
}

/* ================================================
   GENERIC SECTION
   ================================================ */
section { padding: var(--section-py) 0; }

/* ================================================
   SERVICES OVERVIEW
   ================================================ */
.services-overview { background: var(--warm-white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  border: 1px solid var(--light-gray);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(27,58,107,0.18);
}
.service-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, rgba(27,58,107,0.1), rgba(27,58,107,0.04));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.9rem;
}
.service-card h3 { color: var(--navy); margin-bottom: 0.7rem; font-size: 1.15rem; }
.service-card p  { font-size: 0.93rem; }

/* ================================================
   BRANDS STRIP
   ================================================ */
.brands { background: var(--white); padding: 2.75rem 0; }
.brands-label {
  text-align: center;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--light-gray);
  margin-bottom: 1.75rem;
}
.brands-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
}
.brand-chip {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: #B0B8C4;
  transition: color var(--transition);
  letter-spacing: 0.04em;
  cursor: default;
}
.brand-chip:hover { color: var(--navy); }

/* ================================================
   RECENT PROJECTS
   ================================================ */
.recent-projects { background: var(--white); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--light-gray);
  background: var(--white);
  transition: all var(--transition);
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.project-img-wrap { overflow: hidden; }
.project-img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-img { transform: scale(1.05); }
.project-body { padding: 1.5rem; }
.project-tag {
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber);
  font-weight: 700;
  margin-bottom: 0.45rem;
  display: block;
}
.project-body h3 { color: var(--navy); font-size: 1.05rem; margin-bottom: 0.45rem; }
.project-body p  { font-size: 0.88rem; }

/* ================================================
   PORTFOLIO PREVIEW (dark bg)
   ================================================ */
.portfolio-preview {
  background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white);
}
.portfolio-preview .section-title    { color: var(--white); }
.portfolio-preview .section-subtitle { color: rgba(255,255,255,0.68); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}
.portfolio-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}
.portfolio-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.portfolio-item:hover img { transform: scale(1.07); }
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14,36,68,0.88) 0%, transparent 58%);
  display: flex;
  align-items: flex-end;
  padding: 1.4rem;
  transition: background var(--transition);
}
.portfolio-item:hover .portfolio-overlay {
  background: linear-gradient(to top, rgba(14,36,68,0.95) 0%, rgba(14,36,68,0.25) 60%);
}
.portfolio-info h3 { color: var(--white); font-size: 1rem; margin-bottom: 0.2rem; }
.portfolio-info p  { color: rgba(255,255,255,0.7); font-size: 0.82rem; }
.portfolio-cta { text-align: center; }

/* ================================================
   SERVICE AREAS
   ================================================ */
.service-areas { background: var(--warm-white); }

.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.area-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--light-gray);
  transition: all var(--transition);
}
.area-card:hover {
  border-color: var(--navy);
  background: rgba(27,58,107,0.04);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.area-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.area-card h4 { color: var(--navy); font-size: 1.1rem; font-family: var(--font-serif); }
.area-card p  { font-size: 0.83rem; margin-top: 0.2rem; }

/* ================================================
   CONTACT CTA SECTION
   ================================================ */
.contact-cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  text-align: center;
}
.contact-cta h2 { color: var(--white); margin-bottom: 0.9rem; }
.contact-cta > .container > p { color: rgba(255,255,255,0.78); margin-bottom: 2.5rem; font-size: 1.02rem; }
.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}
.cta-email-text {
  color: rgba(255,255,255,0.72);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.65);
  padding: 4.5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand img {
  height: 44px;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  object-fit: contain;
}
.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.footer-brand > p { font-size: 0.88rem; line-height: 1.75; color: rgba(255,255,255,0.55); }
.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-links { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.58); transition: color var(--transition); }
.footer-links a:hover { color: var(--amber-light); }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
  font-size: 0.88rem;
}
.footer-contact-item .ico { font-size: 1rem; flex-shrink: 0; margin-top: 0.1rem; }
.footer-contact-item a { color: rgba(255,255,255,0.65); transition: color var(--transition); }
.footer-contact-item a:hover { color: var(--amber-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.4); transition: color var(--transition); }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ================================================
   PAGE HERO (inner pages)
   ================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-light) 100%);
  padding: 8rem 0 4rem;
  text-align: center;
  color: var(--white);
}
.page-hero h1 { color: var(--white); margin-bottom: 0.6rem; }
.page-hero p  { color: rgba(255,255,255,0.72); font-size: 1.02rem; max-width: 560px; margin: 0 auto; }
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  margin-bottom: 1rem;
}
.breadcrumb a:hover { color: var(--amber-light); }

/* ================================================
   SERVICES DETAIL PAGE
   ================================================ */
.services-detail { background: var(--warm-white); }

.service-detail-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin-bottom: 1.75rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
  border: 1px solid var(--light-gray);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.service-detail-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(27,58,107,0.14);
}
.service-detail-icon {
  width: 62px;
  height: 62px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  flex-shrink: 0;
}
.service-detail-content h3 { color: var(--navy); margin-bottom: 0.65rem; font-size: 1.25rem; }
.service-detail-content p  { font-size: 0.93rem; margin-bottom: 1rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.service-tag {
  background: rgba(27,58,107,0.07);
  color: var(--navy);
  padding: 0.22rem 0.75rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
}

.brands-detail { background: var(--white); }
.brands-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}
.brand-card {
  background: var(--warm-white);
  border: 1px solid var(--light-gray);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition);
}
.brand-card:hover {
  border-color: var(--navy);
  background: rgba(27,58,107,0.04);
  transform: translateY(-2px);
}
.brand-card-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
}
.brand-card-type { font-size: 0.78rem; margin-top: 0.25rem; }

/* ================================================
   PORTFOLIO PAGE
   ================================================ */
.portfolio-page { background: var(--warm-white); }
.portfolio-full-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}
.portfolio-full-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--light-gray);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.portfolio-full-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.portfolio-full-card img { width: 100%; height: 220px; object-fit: cover; }
.portfolio-card-body { padding: 1.4rem; }
.portfolio-card-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber);
  font-weight: 700;
  margin-bottom: 0.4rem;
  display: block;
}
.portfolio-card-body h3 { color: var(--navy); font-size: 1rem; margin-bottom: 0.4rem; }
.portfolio-card-body p  { font-size: 0.86rem; line-height: 1.6; }

/* ================================================
   ABOUT PAGE
   ================================================ */
.about-story { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image img { width: 100%; height: 400px; object-fit: cover; }
.about-text h2 { color: var(--navy); margin-bottom: 1.5rem; }
.about-text p { margin-bottom: 1rem; line-height: 1.9; font-size: 0.95rem; }

.about-values { background: var(--warm-white); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.value-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  border-left: 4px solid var(--amber);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.value-card h4 { color: var(--navy); font-size: 1.05rem; margin-bottom: 0.6rem; }
.value-card p  { font-size: 0.9rem; }

/* ================================================
   CONTACT PAGE
   ================================================ */
.contact-section { background: var(--warm-white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}
.contact-info-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
.contact-info-card h3 {
  color: var(--navy);
  font-size: 1.2rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--amber);
}
.contact-method { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.75rem; }
.contact-method-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-method-icon.line    { background: rgba(6,199,85,0.1);   color: var(--line-green); }
.contact-method-icon.email   { background: rgba(27,58,107,0.1);  color: var(--navy); }
.contact-method-icon.address { background: rgba(201,154,14,0.1); color: var(--amber); }
.contact-method-text strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
  margin-bottom: 0.3rem;
}
.contact-method-text a,
.contact-method-text p { font-size: 0.95rem; color: var(--charcoal); }
.contact-method-text a:hover { color: var(--navy); text-decoration: underline; }

.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
.contact-form-wrap h3 { color: var(--navy); margin-bottom: 0.5rem; }
.contact-form-wrap > p { font-size: 0.9rem; margin-bottom: 2rem; }

.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--light-gray);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.93rem;
  color: var(--charcoal);
  background: var(--warm-white);
  transition: border-color var(--transition), background var(--transition);
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ================================================
   CHAIRS PAGE
   ================================================ */
.chairs-section { background: var(--warm-white); }
.chairs-intro {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--light-gray);
  margin-bottom: 3rem;
}
.chairs-intro h3 { color: var(--navy); margin-bottom: 1rem; }

.chairs-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.chair-gallery-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--light-gray);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.chair-gallery-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(27,58,107,0.15);
}
.chair-img-wrap {
  width: 100%;
  height: 240px;
  overflow: hidden;
  background: var(--warm-white);
}
.chair-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.chair-gallery-card:hover .chair-img-wrap img {
  transform: scale(1.05);
}
.chair-gallery-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.chair-gallery-body h4 {
  color: var(--navy);
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}
.chair-gallery-body p {
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* ================================================
   FADE-UP ANIMATION
   ================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* Stagger delays for grid children */
.services-grid   .fade-up:nth-child(2) { transition-delay: 0.12s; }
.services-grid   .fade-up:nth-child(3) { transition-delay: 0.24s; }
.projects-grid   .fade-up:nth-child(2) { transition-delay: 0.12s; }
.projects-grid   .fade-up:nth-child(3) { transition-delay: 0.24s; }
.portfolio-grid  .fade-up:nth-child(2) { transition-delay: 0.10s; }
.portfolio-grid  .fade-up:nth-child(3) { transition-delay: 0.20s; }
.portfolio-grid  .fade-up:nth-child(4) { transition-delay: 0.30s; }
.stats-grid      .fade-up:nth-child(2) { transition-delay: 0.15s; }
.stats-grid      .fade-up:nth-child(3) { transition-delay: 0.30s; }

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid  { gap: 2.5rem; }
}

@media (max-width: 768px) {
  :root { --section-py: 3.5rem; }

  /* Nav */
  .nav-links {
    display: none;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.25rem;
    gap: 0.2rem;
    border-bottom: 1px solid var(--light-gray);
    box-shadow: var(--shadow-md);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-link { padding: 0.7rem 1rem; width: 100%; }
  .nav-toggle { display: flex; }
  .nav-logo-sub { display: none; }

  /* Hero */
  .hero-actions { flex-direction: column; align-items: center; }

  /* Stats */
  .stats-grid { grid-template-columns: 1fr; gap: 1.75rem; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }

  /* Portfolio */
  .portfolio-grid { grid-template-columns: 1fr; }

  /* About */
  .about-grid { grid-template-columns: 1fr; }
  .about-image { order: -1; }
  .about-image img { height: 280px; }

  /* Service detail */
  .service-detail-card { grid-template-columns: 1fr; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* CTA */
  .cta-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .nav-logo img { height: 36px; }
  .nav-logo-name { font-size: 0.95rem; }
  .hero-title { font-size: 2rem; }
}