/* =========================================================
   原祖企業 × 中瀚科技 PCBA專業代工企業聯盟官網 – Global Stylesheet
   Brand: Deep Navy #10263F | Steel Gray #6E7782
   Accent: Tech Blue #3A6EA5 | Warm White #F7F8FA
   ========================================================= */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Noto Sans TC', 'Inter', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  background-color: #F7F8FA;
  color: #2C3E50;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---------- SVG Global Constraint (prevent full-page blowout) ---------- */
svg { overflow: visible; }
body > svg, main svg:not(.logo-mark svg):not(.footer-logo svg) { max-width: 100%; }

/* ---------- CSS Variables ---------- */
:root {
  --navy:      #10263F;
  --navy-deep: #0A1A2C;
  --navy-mid:  #16345B;
  --steel:     #6E7782;
  --steel-lt:  #9BA5B0;
  --blue:      #3A6EA5;
  --blue-lt:   #5A8EC5;
  --white:     #FFFFFF;
  --off-white: #F7F8FA;
  --gray-100:  #F0F2F5;
  --gray-200:  #E2E6EA;
  --gray-300:  #CDD2D8;
  --text:      #2C3E50;
  --text-mute: #5C6670;
  --shadow-sm: 0 2px 8px rgba(16,38,63,.08);
  --shadow-md: 0 6px 24px rgba(16,38,63,.12);
  --shadow-lg: 0 16px 48px rgba(16,38,63,.16);
  --radius:    4px;
  --transition: .25s ease;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Sans TC', 'Inter', sans-serif;
  color: var(--navy);
  line-height: 1.3;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { margin-bottom: 1rem; color: var(--text-mute); }
p:last-child { margin-bottom: 0; }

.en { font-family: 'Inter', 'Helvetica Neue', sans-serif; letter-spacing: .04em; }
.text-navy { color: var(--navy); }
.text-blue { color: var(--blue); }
.text-mute { color: var(--text-mute); }
.text-center { text-align: center; }
.text-white { color: #fff; }

/* ---------- Layout Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-sm {
  padding: 64px 0;
}

.section-dark {
  background: var(--navy);
  color: #fff;
}

.section-gray {
  background: var(--gray-100);
}

.section-header {
  margin-bottom: 64px;
}

.section-header .label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
  font-family: 'Inter', sans-serif;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 560px;
  font-size: 1.0625rem;
}

.section-header.center {
  text-align: center;
}

.section-header.center p {
  margin: 0 auto;
}

/* ---------- Grid ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: .9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  font-family: inherit;
  letter-spacing: .02em;
  white-space: nowrap;
}

.btn-primary {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.btn-primary:hover {
  background: var(--navy-mid);
  border-color: var(--navy-mid);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-secondary:hover {
  background: var(--navy);
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.6);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
}

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--gray-100);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--blue);
  font-size: 1.5rem;
}

/* ---------- HEADER / NAV ---------- */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(247,248,250,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}

#site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 120px;
  height: 36px;
  overflow: hidden;
}

.logo-mark svg {
  width: 120px !important;
  height: 36px !important;
  min-width: 120px;
  min-height: 36px;
  max-width: 120px;
  max-height: 36px;
  display: block;
  flex-shrink: 0;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}

.footer-logo svg {
  width: 120px !important;
  height: 36px !important;
  max-width: 120px;
  max-height: 36px;
  display: block;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text .brand-zh {
  font-size: .8125rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .04em;
}

.logo-text .brand-en {
  font-size: .6875rem;
  font-weight: 500;
  color: var(--steel);
  letter-spacing: .06em;
  font-family: 'Inter', sans-serif;
  text-transform: uppercase;
}

/* Nav links */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-mute);
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--navy);
  background: var(--gray-100);
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.lang-btn {
  padding: 6px 12px;
  font-size: .8125rem;
  font-weight: 600;
  border: 1px solid var(--gray-300);
  background: transparent;
  color: var(--steel);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

/* CTA in nav */
.nav-cta {
  margin-left: 16px;
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- HERO BANNER ---------- */
#hero {
  padding-top: 80px; /* offset for fixed header */
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, #1A4C7C 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 130%;
  background: radial-gradient(ellipse, rgba(58,110,165,.25) 0%, transparent 65%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 45%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(58,110,165,.15) 0%, transparent 60%);
}

/* Grid lines decoration */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content {
  color: #fff;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.85);
  padding: 8px 16px;
  border-radius: 2px;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 24px;
  font-family: 'Inter', sans-serif;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #5AB8F5;
  border-radius: 50%;
}

.hero-content h1 {
  color: #fff;
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.2;
  margin-bottom: 8px;
}

.hero-content .hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: rgba(255,255,255,.7);
  margin-bottom: 24px;
  font-family: 'Inter', sans-serif;
  letter-spacing: .04em;
}

.hero-content .hero-desc {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.75);
  margin-bottom: 40px;
  max-width: 520px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero visual panel */
.hero-visual {
  position: relative;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 24px 20px;
  color: #fff;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.stat-card:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.2);
}

.stat-card .stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-card .stat-unit {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  font-family: 'Inter', sans-serif;
}

.stat-card .stat-label-zh {
  font-size: .875rem;
  color: rgba(255,255,255,.85);
  margin-top: 8px;
}

.stat-card .stat-label-en {
  font-size: .75rem;
  color: rgba(255,255,255,.5);
  font-family: 'Inter', sans-serif;
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* Certification badge in hero */
.hero-cert {
  margin-top: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.85);
  font-size: .875rem;
  font-weight: 600;
}

.hero-cert .cert-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

/* ---------- BRAND SECTION ---------- */
#brand {
  background: var(--white);
}

.brand-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.brand-info .brand-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}

.brand-info h2 {
  margin-bottom: 20px;
}

.brand-info p {
  font-size: 1.0625rem;
  line-height: 1.9;
  margin-bottom: 16px;
}

.brand-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.brand-card {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
}

.brand-card.yuantsu {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.brand-card.zhonghan {
  background: var(--navy-mid);
  color: #fff;
  border-color: var(--navy-mid);
}

.brand-card .card-name-zh {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.brand-card .card-name-en {
  font-size: .75rem;
  letter-spacing: .06em;
  font-family: 'Inter', sans-serif;
  opacity: .7;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.brand-card .card-detail {
  font-size: .8125rem;
  opacity: .85;
  line-height: 1.8;
}

/* Numeric highlights bar */
.highlights-bar {
  margin-top: 64px;
  padding: 48px 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.highlight-item {
  text-align: center;
  padding: 0 24px;
  border-right: 1px solid var(--gray-200);
}

.highlight-item:last-child {
  border-right: none;
}

.highlight-item .hl-number {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 6px;
}

.highlight-item .hl-unit {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--blue);
}

.highlight-item .hl-label-zh {
  font-size: .9375rem;
  color: var(--text);
  margin-top: 8px;
  font-weight: 500;
}

.highlight-item .hl-label-en {
  font-size: .75rem;
  color: var(--steel);
  font-family: 'Inter', sans-serif;
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* ---------- WHY CHOOSE US ---------- */
#reasons {
  background: var(--gray-100);
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.reason-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.reason-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--blue);
}

.reason-card .reason-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.reason-card .reason-title-zh {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.reason-card .reason-title-en {
  font-size: .7188rem;
  color: var(--steel-lt);
  font-family: 'Inter', sans-serif;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.reason-card .reason-desc {
  font-size: .875rem;
  color: var(--text-mute);
  line-height: 1.7;
}

/* ---------- SERVICES ---------- */
#services {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  padding: 36px 28px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--navy);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .3s ease;
}

.service-card:hover::before {
  transform: scaleY(1);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-card .svc-num {
  font-size: .75rem;
  font-weight: 700;
  color: var(--steel-lt);
  font-family: 'Inter', sans-serif;
  letter-spacing: .12em;
  margin-bottom: 16px;
}

.service-card .svc-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.service-card .svc-title-zh {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.service-card .svc-title-en {
  font-size: .8125rem;
  color: var(--blue);
  font-family: 'Inter', sans-serif;
  letter-spacing: .06em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.service-card p {
  font-size: .9375rem;
  color: var(--text-mute);
  line-height: 1.75;
  margin: 0;
}

/* ---------- MANUFACTURING ---------- */
#manufacturing {
  background: var(--gray-100);
}

.mfg-highlight {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 56px 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 48px;
}

.mfg-highlight h3 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.mfg-highlight p {
  color: rgba(255,255,255,.75);
}

.mfg-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.spec-item {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.spec-item .spec-val {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
}

.spec-item .spec-key {
  font-size: .8125rem;
  color: rgba(255,255,255,.6);
}

.mfg-table-wrap {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.mfg-table {
  width: 100%;
  border-collapse: collapse;
}

.mfg-table thead tr {
  background: var(--navy);
  color: #fff;
}

.mfg-table th,
.mfg-table td {
  padding: 14px 20px;
  font-size: .9375rem;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.mfg-table th {
  font-weight: 600;
  font-size: .875rem;
  letter-spacing: .04em;
}

.mfg-table td:first-child {
  font-weight: 600;
  color: var(--navy);
  background: var(--gray-100);
  width: 32%;
}

.mfg-table tr:last-child td {
  border-bottom: none;
}

.mfg-table tr:hover td:not(:first-child) {
  background: var(--off-white);
}

/* ---------- QUALITY ---------- */
#quality {
  background: var(--white);
}

.quality-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.quality-cert {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}

.quality-cert .cert-badge {
  width: 100px;
  height: 100px;
  background: rgba(255,255,255,.1);
  border: 2px solid rgba(255,255,255,.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2.5rem;
}

.quality-cert h3 {
  color: #fff;
  margin-bottom: 8px;
}

.quality-cert p {
  color: rgba(255,255,255,.7);
  font-size: .9375rem;
}

.quality-principles {
  margin-top: 32px;
}

.principle-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-200);
}

.principle-item:last-child {
  border-bottom: none;
}

.principle-num {
  width: 36px;
  height: 36px;
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .875rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  flex-shrink: 0;
}

.principle-content h4 {
  margin-bottom: 4px;
}

.principle-content p {
  font-size: .9rem;
  margin: 0;
}

/* ---------- APPLICATIONS ---------- */
#applications {
  background: var(--gray-100);
}

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

.app-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.app-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--blue);
}

.app-card .app-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.app-card .app-title-zh {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.app-card .app-title-en {
  font-size: .75rem;
  color: var(--blue);
  font-family: 'Inter', sans-serif;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.app-card p {
  font-size: .875rem;
  color: var(--text-mute);
  margin: 0;
  line-height: 1.7;
}

/* ---------- PARTNERS ---------- */
#partners {
  background: var(--white);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.partner-item {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-mute);
  transition: var(--transition);
}

.partner-item:hover {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
  transform: translateY(-2px);
}

/* ---------- CONTACT CTA ---------- */
#contact-cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: #fff;
  text-align: center;
  padding: 96px 0;
}

#contact-cta h2 {
  color: #fff;
  margin-bottom: 8px;
}

#contact-cta .cta-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 40px;
  font-family: 'Inter', sans-serif;
}

#contact-cta .cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- FOOTER ---------- */
#site-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,.7);
  padding: 64px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255,255,255,.55);
  font-size: .875rem;
  line-height: 1.8;
}

.footer-col h5 {
  color: #fff;
  font-size: .875rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-family: 'Inter', sans-serif;
}

.footer-col a,
.footer-col p {
  display: block;
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  margin-bottom: 8px;
  transition: var(--transition);
  line-height: 1.6;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8125rem;
  color: rgba(255,255,255,.4);
}

/* ---------- PAGE HERO (inner pages) ---------- */
.page-hero {
  padding-top: 80px;
  padding-bottom: 0;
  background: var(--navy);
  color: #fff;
}

.page-hero-inner {
  padding: 80px 0 64px;
  position: relative;
}

.page-hero-inner::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(58,110,165,.2) 0%, transparent 70%);
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 8px;
}

.page-hero .page-subtitle {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.65);
  font-family: 'Inter', sans-serif;
  letter-spacing: .04em;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8125rem;
  color: rgba(255,255,255,.5);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255,255,255,.5);
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: rgba(255,255,255,.9);
}

.breadcrumb span { color: rgba(255,255,255,.3); }

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: .1s; }
.fade-in-delay-2 { transition-delay: .2s; }
.fade-in-delay-3 { transition-delay: .3s; }
.fade-in-delay-4 { transition-delay: .4s; }

/* ---------- Mobile Navigation ---------- */
.mobile-nav {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
  z-index: 999;
  padding: 16px 24px 24px;
}

.mobile-nav.open { display: block; }

.mobile-nav .nav-link {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius);
}

.mobile-nav .lang-toggle {
  margin-top: 16px;
  margin-left: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .reasons-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-content h1 { font-size: 2rem; }
  .brand-grid { grid-template-columns: 1fr; gap: 40px; }
  .quality-inner { grid-template-columns: 1fr; }
  .mfg-highlight { grid-template-columns: 1fr; padding: 40px; }
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .highlight-item { border-right: none; border-bottom: 1px solid var(--gray-200); }
  .highlight-item:last-child { border-bottom: none; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .main-nav, .nav-cta, .lang-toggle { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .reasons-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .brand-cards { grid-template-columns: 1fr; }
  .mfg-specs { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  #contact-cta .cta-actions { flex-direction: column; align-items: center; }
  .reasons-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
}