/* ============================================
   田新股份有限公司 - 官方網站樣式
   ============================================ */

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

:root {
  --primary: #0369a1;
  --primary-dark: #0c4a6e;
  --primary-light: #38bdf8;
  --accent: #22c55e;
  --accent-dark: #16a34a;
  --accent-light: #4ade80;
  --warm: #f0803c;
  --warm-light: #fdf0e8;
  --text: #0c4a6e;
  --text-light: #475569;
  --text-muted: #94a3b8;
  --bg: #ffffff;
  --bg-light: #f0f9ff;
  --bg-alt: #e0f2fe;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 4px 14px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: .25s ease-out;
  --header-h: 84px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: 'Lexend', 'Noto Sans TC', 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent), var(--warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(15,76,117,.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(15,76,117,.4);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background .4s ease, backdrop-filter .4s ease, box-shadow .4s ease;
  height: var(--header-h);
}
.site-header.scrolled {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.logo img {
  height: 64px;
  width: auto;
  border-radius: 8px;
  transition: var(--transition);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(255,255,255,.12);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--accent-light);
  border-radius: 2px;
}

/* Scrolled state: nav links turn dark */
.site-header.scrolled .nav-link {
  color: var(--text-light);
}
.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link.active {
  color: var(--primary);
  background: rgba(15,76,117,.06);
}
.site-header.scrolled .nav-link.active::after {
  background: var(--accent);
}
.site-header.scrolled .logo img {
  height: 52px;
}
.site-header.scrolled .mobile-toggle span {
  background: var(--text);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-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;
  overflow: hidden;
  padding-top: var(--header-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #032541 0%, #0c4a6e 40%, #0369a1 70%, #064e6e 100%);
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(34,197,94,.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(56,189,248,.18) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(240,128,60,.06) 0%, transparent 40%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 40px 0;
}

.hero-subtitle {
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  opacity: .8;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 2px;
}
.hero-title .text-gradient {
  font-size: 1.1em;
}

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.8;
  opacity: .85;
  max-width: 640px;
  margin: 0 auto 36px;
}

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

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll span {
  display: block;
  width: 24px;
  height: 24px;
  border-right: 2px solid rgba(255,255,255,.5);
  border-bottom: 2px solid rgba(255,255,255,.5);
  transform: rotate(45deg);
  animation: scrollBounce 2s infinite;
}
@keyframes scrollBounce {
  0%   { transform: rotate(45deg) translate(0,0); opacity: 0; }
  50%  { opacity: 1; }
  100% { transform: rotate(45deg) translate(12px,12px); opacity: 0; }
}

/* Floating particles */
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  animation: floatParticle linear infinite;
}
@keyframes floatParticle {
  0%   { transform: translateY(0) rotate(0deg); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

/* --- Sections --- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
}

.section-line {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin: 0 auto 20px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* --- About --- */
.section-about {
  background: linear-gradient(175deg, #eef6f9 0%, #f0faf7 40%, #f8fafc 100%);
  position: relative;
  overflow: hidden;
}
.section-about::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23,183,148,.1) 0%, transparent 70%);
  pointer-events: none;
}
.section-about::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,76,117,.07) 0%, transparent 70%);
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text .lead {
  font-size: 1.2rem;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: 20px;
}
.about-text p {
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.9;
}
.about-text strong {
  color: var(--primary);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(15,76,117,.12);
  border-color: transparent;
}
.stat-card:hover::before {
  opacity: 1;
}

.stat-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--primary);
  display: inline;
}
.stat-suffix {
  display: inline;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
}
.stat-label {
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* --- Tech --- */
.section-tech {
  background: linear-gradient(160deg, #032541 0%, #0c4a6e 50%, #0a3a5c 100%);
  position: relative;
  overflow: hidden;
}
.section-tech::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 30%, rgba(34,197,94,.1) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 70%, rgba(56,189,248,.12) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 90%, rgba(240,128,60,.05) 0%, transparent 40%);
  pointer-events: none;
}
.section-tech .section-tag { color: var(--accent-light); }
.section-tech .section-title { color: #fff; }
.section-tech .section-desc { color: rgba(255,255,255,.7); }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}
.tech-grid.tech-grid-4 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 900px;
  margin: 0 auto;
}

.tech-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.tech-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(23,183,148,.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .4s ease;
  pointer-events: none;
}
.tech-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,.1);
  border-color: rgba(23,183,148,.3);
  box-shadow: 0 16px 48px rgba(0,0,0,.25);
}
.tech-card:hover::before {
  transform: scaleX(1);
}
.tech-card:hover::after {
  opacity: 1;
}

.tech-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(34,197,94,.15), rgba(56,189,248,.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-light);
  margin-bottom: 20px;
  transition: var(--transition);
}
.tech-card:hover .tech-card-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  box-shadow: 0 4px 20px rgba(34,197,94,.35);
}

.tech-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.tech-card p {
  font-size: .92rem;
  color: rgba(255,255,255,.65);
  line-height: 1.7;
}

/* --- Business --- */
.section-business {
  background: linear-gradient(175deg, #f0faf7 0%, #eef6f9 30%, #f5f0fb 70%, #fdf0e8 100%);
  position: relative;
  overflow: hidden;
}
.section-business::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23,183,148,.06) 0%, transparent 60%);
  pointer-events: none;
}

.business-panels {
  display: flex;
  flex-direction: column;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.biz-panel {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 48px;
  align-items: center;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: 0 8px 32px rgba(15,76,117,.06);
  border: 1px solid rgba(255,255,255,.8);
  transition: var(--transition);
}
.biz-panel:hover {
  box-shadow: 0 16px 48px rgba(15,76,117,.12);
  transform: translateY(-4px);
}

.biz-panel-reverse {
  grid-template-columns: 1fr 360px;
}
.biz-panel-reverse .biz-panel-visual {
  order: 2;
}

.biz-panel-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.biz-icon-wrap {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
}
.biz-icon-wrap::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px dashed;
  opacity: .3;
  animation: rotateSlow 20s linear infinite;
}
@keyframes rotateSlow {
  to { transform: rotate(360deg); }
}

.biz-icon-mfg {
  background: linear-gradient(135deg, #e0f2fe, #bae6fd);
  color: var(--primary);
  box-shadow: 0 8px 32px rgba(3,105,161,.12);
}
.biz-icon-mfg::before { border-color: var(--primary-light); }

.biz-icon-care {
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  color: var(--accent);
  box-shadow: 0 8px 32px rgba(34,197,94,.12);
}
.biz-icon-care::before { border-color: var(--accent-light); }

.biz-float-badge {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  background: var(--bg-alt);
  color: var(--text-light);
}

.biz-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 6px;
  font-size: .78rem;
  font-weight: 700;
  background: rgba(15,76,117,.08);
  color: var(--primary);
  margin-bottom: 12px;
}
.biz-tag-care {
  background: rgba(23,183,148,.08);
  color: var(--accent-dark);
}

.biz-panel-content h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.biz-panel-content p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.biz-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.biz-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: var(--text);
}
.biz-features li i {
  color: var(--accent);
  font-size: .85rem;
}

/* --- Story --- */
.section-story {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.story-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0c4a6e, #0369a1, #064e6e);
}
.story-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(34,197,94,.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(56,189,248,.08) 0%, transparent 40%);
}

.story-header {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto 60px;
  text-align: center;
  color: #fff;
}

.story-header h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 28px;
  letter-spacing: 1px;
}

.story-header p {
  font-size: 1.05rem;
  line-height: 2;
  opacity: .88;
}

.story-header strong {
  color: var(--accent-light);
}

.story-row {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 48px;
  margin-bottom: 56px;
  color: #fff;
}

.story-row:last-child {
  margin-bottom: 0;
}

.story-row-reverse {
  flex-direction: row-reverse;
}

.story-img {
  flex: 0 0 48%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .3);
  background: #fff;
}

.story-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .5s ease;
}

.story-img:hover img {
  transform: scale(1.03);
}

.story-text {
  flex: 1;
}

.story-text h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: .5px;
  position: relative;
  padding-bottom: 16px;
}

.story-text h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--accent-light);
  border-radius: 2px;
}

.story-row-reverse .story-text h3::after {
  left: auto;
  right: 0;
}

.story-row-reverse .story-text {
  text-align: right;
}

.story-text p {
  font-size: 1.02rem;
  line-height: 2;
  opacity: .88;
  margin-bottom: 14px;
}

.story-text p:last-child {
  margin-bottom: 0;
}

.story-text strong {
  color: var(--accent-light);
}

@media (max-width: 768px) {
  .story-row,
  .story-row-reverse {
    flex-direction: column;
    gap: 28px;
  }
  .story-img {
    flex: none;
    width: 100%;
  }
  .story-row-reverse .story-text {
    text-align: left;
  }
  .story-row-reverse .story-text h3::after {
    left: 0;
    right: auto;
  }
  .story-header {
    margin-bottom: 40px;
  }
}

/* --- Vision --- */
.section-vision {
  background: linear-gradient(160deg, #032541 0%, #0c4a6e 40%, #075985 70%, #042f4a 100%);
  position: relative;
  overflow: hidden;
}
.section-vision::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(240,128,60,.07) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(34,197,94,.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(56,189,248,.06) 0%, transparent 60%);
  pointer-events: none;
}
.section-vision .section-tag { color: var(--accent-light); }
.section-vision .section-title { color: #fff; }
.section-vision .section-line {
  background: linear-gradient(90deg, var(--accent), var(--warm));
}

.vision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

.vision-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  overflow: hidden;
}
.vision-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--warm));
  transform: scaleX(0);
  transition: transform .4s ease;
}
.vision-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,.1);
  border-color: rgba(23,183,148,.25);
  box-shadow: 0 16px 48px rgba(0,0,0,.25);
}
.vision-card:hover::after {
  transform: scaleX(1);
}

.vision-number {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-light), var(--warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.vision-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.vision-card p {
  color: rgba(255,255,255,.65);
  line-height: 1.7;
}

.vision-quote {
  text-align: center;
  padding-top: 20px;
  position: relative;
  z-index: 1;
}

.vision-quote blockquote {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
  line-height: 2;
  position: relative;
  display: inline-block;
  padding: 24px 48px;
  background: rgba(255,255,255,.06);
  border-radius: var(--radius);
  border-left: 4px solid var(--accent-light);
}
.vision-quote blockquote span {
  display: block;
  font-size: .9rem;
  font-weight: 400;
  color: rgba(255,255,255,.5);
  margin-top: 8px;
  letter-spacing: 0;
}

/* --- Contact --- */
.section-contact {
  background: linear-gradient(175deg, #eef6f9 0%, #f4f7fb 50%, #f0faf7 100%);
  position: relative;
  overflow: hidden;
}
.section-contact::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,76,117,.04) 0%, transparent 60%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-item p {
  font-size: 1rem;
  color: var(--text);
}

.contact-form-wrap {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: .95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg-light);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,76,117,.1);
  background: var(--bg);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- Footer --- */
.site-footer {
  background: #032541;
  color: rgba(255,255,255,.8);
  padding-top: 64px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-logo {
  height: 56px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: .9rem;
  opacity: .7;
  line-height: 1.6;
}

.footer-links h4,
.footer-social h4 {
  font-size: .9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.footer-links a {
  display: block;
  font-size: .88rem;
  opacity: .6;
  padding: 4px 0;
  transition: var(--transition);
}
.footer-links a:hover {
  opacity: 1;
  color: var(--accent-light);
  transform: translateX(4px);
}

.social-icons {
  display: flex;
  gap: 12px;
}
.social-icons a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  transition: var(--transition);
}
.social-icons a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: .82rem;
  opacity: .5;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}
.footer-bottom-links a:hover {
  opacity: .8;
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* --- Animations --- */
[data-animate] {
  opacity: 0;
  transition: opacity .7s ease, transform .7s ease;
}
[data-animate="fade-up"] {
  transform: translateY(40px);
}
[data-animate="fade-right"] {
  transform: translateX(-40px);
}
[data-animate="fade-left"] {
  transform: translateX(40px);
}
[data-animate].animated {
  opacity: 1;
  transform: translate(0,0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .biz-panel,
  .biz-panel-reverse {
    grid-template-columns: 1fr;
    padding: 32px;
  }
  .biz-panel-reverse .biz-panel-visual {
    order: 0;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }
  .section { padding: 72px 0; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-link {
    width: 100%;
    padding: 12px 16px;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .hero-desc br {
    display: none;
  }

  .tech-grid {
    grid-template-columns: 1fr;
  }
  .vision-grid {
    grid-template-columns: 1fr;
  }
  .biz-features {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .contact-form-wrap {
    padding: 24px;
  }
}

/* --- Accessibility: Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-animate] {
    opacity: 1 !important;
    transform: none !important;
  }
  .particle { display: none; }
}

/* --- Focus States --- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
  border-radius: 4px;
}

/* --- Cursor & Interactivity --- */
.btn,
.nav-link,
.tech-card,
.stat-card,
.vision-card,
.biz-panel,
.social-icons a,
.footer-links a,
.back-to-top {
  cursor: pointer;
}