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

/* ─── CSS Variables ─────────────────────────────── */
:root {
  --bg:         #0c0c0b;
  --bg-2:       #141412;
  --bg-card:    #1a1a17;
  --border:     #2c2c28;
  --border-lit: #3e3e38;
  --text-pri:   #f0ebe0;
  --text-sec:   #a8a49a;
  --text-dim:   #6a665e;
  --accent:     #c8821a;
  --accent-dim: #9e6614;
  --accent-glow:rgba(200,130,26,0.15);
  --blue:       #4a6fa5;
  --white:      #ffffff;
  --radius:     4px;
  --radius-lg:  8px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --container:  1160px;
  --header-h:   72px;
}

/* ─── Reset & Base ───────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text-pri);
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ─── Utility ────────────────────────────────────── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.accent { color: var(--accent); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(200,130,26,0.25);
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 20px;
}

.section-heading {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-pri);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 15px;
  color: var(--text-sec);
  max-width: 560px;
  line-height: 1.8;
}

.divider {
  width: 40px; height: 3px;
  background: var(--accent);
  margin: 20px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: 'Noto Sans TC', sans-serif;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
}
.btn-primary:hover { background: #d9911f; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--text-pri);
  border: 1px solid var(--border-lit);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-sec);
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 2px;
}
.trust-badge svg { color: var(--accent); flex-shrink: 0; }

/* ─── Header ─────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(12,12,11,0.95);
  border-bottom-color: var(--border);
  backdrop-filter: blur(12px);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-decoration: none;
}

/* ── Logo 圖片模式 ── */
.logo-img {
  height: 40px;          /* ★ 高度可自行調整，建議 32–48px */
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
}
.footer-logo-img {
  height: 36px;
  opacity: 0.85;
}
.footer-logo-img:hover { opacity: 1; }

/* ── Logo 文字模式（圖片載入失敗時自動顯示）── */
.logo-text {
  flex-direction: column;
  line-height: 1.2;
}
.logo-zh {
  font-family: 'Noto Serif TC', serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-pri);
}
.logo-en {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  font-size: 14px;
  color: var(--text-sec);
  transition: color var(--transition);
  position: relative;
}
.main-nav a:hover, .main-nav a.active { color: var(--text-pri); }
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
}
.main-nav a.nav-cta {
  color: var(--accent);
  border: 1px solid rgba(200,130,26,0.4);
  padding: 6px 16px;
  border-radius: var(--radius);
  font-size: 13px;
}
.main-nav a.nav-cta:hover {
  background: var(--accent-glow);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-pri);
  transition: var(--transition);
}

/* ─── Hero ───────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(200,130,26,0.06) 0%, transparent 50%),
    linear-gradient(to bottom, rgba(12,12,11,0.3) 0%, var(--bg) 100%);
  z-index: 1;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero-number {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-number::after {
  content: '';
  display: block;
  width: 48px; height: 1px;
  background: var(--accent);
}
.hero-h1 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-pri);
  margin-bottom: 24px;
}
.hero-h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero-desc {
  font-size: 16px;
  color: var(--text-sec);
  line-height: 1.85;
  margin-bottom: 40px;
  max-width: 560px;
}
.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ─── Services ───────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.service-card {
  background: var(--bg-card);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { background: #1f1f1c; }
.service-icon {
  width: 48px; height: 48px;
  background: var(--accent-glow);
  border: 1px solid rgba(200,130,26,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent);
  font-size: 22px;
}
.service-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.service-title {
  font-family: 'Noto Serif TC', serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-pri);
}
.service-desc {
  font-size: 14px;
  color: var(--text-sec);
  line-height: 1.85;
  margin-bottom: 24px;
}
.service-points li {
  font-size: 13px;
  color: var(--text-sec);
  padding: 6px 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.service-points li::before {
  content: '✓';
  color: var(--accent);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ─── Cases ──────────────────────────────────────── */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.case-card:hover { border-color: var(--border-lit); transform: translateY(-3px); }
.case-img {
  height: 200px;
  background: var(--bg-2);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.case-img-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.case-img-placeholder svg { opacity: 0.4; }
.case-tag {
  position: absolute;
  top: 12px; left: 12px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 3px 10px;
  border-radius: 2px;
}
.case-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.case-location {
  font-size: 11px;
  color: var(--text-dim);
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.case-title {
  font-family: 'Noto Serif TC', serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.5;
}
.case-quote {
  font-size: 13px;
  color: var(--text-sec);
  border-left: 2px solid var(--accent);
  padding-left: 12px;
  font-style: normal;
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.case-link {
  font-size: 13px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.case-link:hover { gap: 8px; }

/* ─── Trust Section ──────────────────────────────── */
.trust-section {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
.trust-item {
  background: var(--bg-2);
  padding: 48px 40px;
  text-align: center;
}
.trust-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 52px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.trust-label {
  font-size: 14px;
  color: var(--text-sec);
}

/* ─── CTA Block ──────────────────────────────────── */
.cta-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.cta-item h3 {
  font-family: 'Noto Serif TC', serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-item p {
  font-size: 14px;
  color: var(--text-sec);
  line-height: 1.85;
  margin-bottom: 24px;
}
.cta-divider {
  width: 1px;
  background: var(--border);
  position: absolute;
  top: 48px; bottom: 48px;
  left: 50%;
}

/* ─── Page Hero ──────────────────────────────────── */
.page-hero {
  padding: 140px 0 80px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.15;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-eyebrow {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.page-hero h1 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}
.page-hero p {
  font-size: 16px;
  color: var(--text-sec);
  max-width: 540px;
  line-height: 1.85;
}

/* ─── About ──────────────────────────────────────── */
.about-story {
  max-width: 760px;
}
.about-story p {
  font-size: 16px;
  color: var(--text-sec);
  line-height: 2;
  margin-bottom: 24px;
}
.about-story p strong {
  color: var(--text-pri);
  font-weight: 500;
}
.about-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 64px;
}
.pillar {
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.pillar-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}
.pillar h4 {
  font-family: 'Noto Serif TC', serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}
.pillar p {
  font-size: 13px;
  color: var(--text-sec);
  line-height: 1.8;
}

/* ─── Services Page ──────────────────────────────── */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.service-detail:last-child { border-bottom: none; }
.service-detail.reverse { direction: rtl; }
.service-detail.reverse > * { direction: ltr; }
.service-detail-text {}
.service-detail-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: 0.05em;
  flex-direction: column;
  gap: 12px;
}
.service-detail-visual svg { opacity: 0.3; }
.service-detail-title {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}
.service-detail-subtitle {
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 20px;
  font-style: italic;
}
.service-detail p {
  font-size: 14px;
  color: var(--text-sec);
  line-height: 1.9;
  margin-bottom: 24px;
}
.spec-list {
  display: grid;
  gap: 8px;
}
.spec-list li {
  display: flex;
  gap: 10px;
  font-size: 13px;
  color: var(--text-sec);
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  align-items: flex-start;
}
.spec-list li::before {
  content: '✓';
  color: var(--accent);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  flex-shrink: 0;
}

/* ─── Portfolio Page ─────────────────────────────── */
.portfolio-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 7px 18px;
  font-size: 13px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-sec);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Noto Sans TC', sans-serif;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ─── Contact Page ───────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
}
.contact-card h3 {
  font-family: 'Noto Serif TC', serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.contact-card .sub {
  font-size: 13px;
  color: var(--text-sec);
  margin-bottom: 28px;
  line-height: 1.7;
}
.contact-method {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  transition: var(--transition);
}
.contact-method:hover { border-color: var(--accent); }
.contact-method-icon {
  width: 36px; height: 36px;
  background: var(--accent-glow);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-method-text small {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 2px;
  letter-spacing: 0.05em;
}
.contact-method-text strong {
  font-size: 14px;
  font-weight: 500;
}
.line-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px;
  background: #06C755;
  color: #fff;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  margin-top: 20px;
  transition: var(--transition);
}
.line-btn:hover { background: #05b34c; transform: translateY(-1px); }

/* ─── Blog ───────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.blog-card:hover { border-color: var(--border-lit); transform: translateY(-2px); }
.blog-card-img {
  height: 160px;
  background: var(--bg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 12px;
}
.blog-card-body { padding: 24px; }
.blog-meta {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-dim);
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.blog-card-title {
  font-family: 'Noto Serif TC', serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.5;
}
.blog-card-excerpt {
  font-size: 13px;
  color: var(--text-sec);
  line-height: 1.75;
}

/* ─── Blog Post ──────────────────────────────────── */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 56px;
  padding: 72px 0;
}
.post-content h2 {
  font-family: 'Noto Serif TC', serif;
  font-size: 24px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--text-pri);
}
.post-content h3 {
  font-family: 'Noto Serif TC', serif;
  font-size: 18px;
  margin: 32px 0 12px;
  color: var(--text-pri);
}
.post-content p {
  font-size: 15px;
  color: var(--text-sec);
  line-height: 1.95;
  margin-bottom: 20px;
}
.post-content ul {
  margin: 16px 0 20px 0;
}
.post-content ul li {
  font-size: 15px;
  color: var(--text-sec);
  line-height: 1.8;
  padding: 4px 0 4px 20px;
  position: relative;
}
.post-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}
.post-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  height: fit-content;
}
.sidebar-cta {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.sidebar-cta h4 {
  font-family: 'Noto Serif TC', serif;
  font-size: 16px;
  margin-bottom: 10px;
}
.sidebar-cta p {
  font-size: 13px;
  color: var(--text-sec);
  line-height: 1.75;
  margin-bottom: 20px;
}

/* ─── Footer ─────────────────────────────────────── */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding-top: 64px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding-bottom: 48px;
}
.footer-brand .footer-tagline {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 10px;
  line-height: 1.7;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col h4 {
  font-size: 11px;
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.footer-col a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-sec);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--text-pri); }
.footer-col a.line-link { color: #06C755; }
.footer-col a.line-link:hover { color: #05b34c; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-dim);
}

/* ─── Responsive ─────────────────────────────────── */
@media (max-width: 960px) {
  .services-grid, .cases-grid, .trust-grid,
  .portfolio-grid, .blog-grid { grid-template-columns: 1fr; }
  .service-detail, .about-pillars { grid-template-columns: 1fr; }
  .service-detail.reverse { direction: ltr; }
  .cta-block { grid-template-columns: 1fr; }
  .cta-divider { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .post-layout { grid-template-columns: 1fr; }
  .footer-inner, .footer-links { grid-template-columns: 1fr; gap: 32px; }
  .main-nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: rgba(12,12,11,0.98);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 20px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    backdrop-filter: blur(12px);
  }
  .main-nav.open { transform: translateY(0); }
  .hamburger { display: flex; }
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .cases-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .hero-h1 { font-size: 28px; }
  .cta-block { padding: 36px 24px; }
}