/* ============================================
   佳医汇科技官网 - 统一样式表 (明亮鲜活科技风)
   ============================================ */

/* === CSS Variables === */
:root {
  --primary: #F0F4FC;
  --secondary: #E8EEF8;
  --accent: #0084FF;
  --accent-light: #00C2FF;
  --accent-glow: rgba(0, 132, 255, 0.12);
  --accent-dim: rgba(0, 132, 255, 0.5);
  --surface: rgba(255, 255, 255, 0.9);
  --surface-solid: #FFFFFF;
  --text-primary: #1A2332;
  --text-secondary: #5A6578;
  --border: #D8E2EF;
  --border-light: #EDF2F8;

  --font-sans: 'Noto Sans SC', sans-serif;
  --font-mono: 'Orbitron', monospace;

  --max-width: 1200px;
  --nav-height: 72px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--primary);
  background-image: 
    radial-gradient(ellipse at 20% 20%, rgba(0, 196, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(0, 132, 255, 0.05) 0%, transparent 50%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

::selection {
  background: var(--accent);
  color: white;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-dim);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
}

/* === Typography === */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.text-accent { color: var(--accent); }
.text-secondary { color: var(--text-secondary); }
.text-mono { font-family: var(--font-mono); }

/* === Layout === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
}

/* === Animations === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all 0.3s;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 132, 255, 0.3);
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  transition: color 0.3s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width 0.3s var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  gap: 12px;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: all;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-hamburger.open span:nth-child(2) {
    opacity: 0;
  }

  .nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  border: none;
  font-family: var(--font-sans);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
  box-shadow: 0 4px 16px rgba(0, 132, 255, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 8px 24px rgba(0, 132, 255, 0.35);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-ghost:hover {
  background: var(--accent);
  color: white;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.05rem;
}

/* === Hero Section === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(0, 196, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 70%, rgba(0, 132, 255, 0.08) 0%, transparent 50%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 132, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 132, 255, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  animation: fadeInUp 0.8s var(--ease-out);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  margin-bottom: 24px;
  animation: fadeInUp 0.8s var(--ease-out) 0.1s both;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 560px;
  animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out) 0.3s both;
}

.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 50%;
  max-width: 600px;
  aspect-ratio: 1;
  opacity: 0.7;
}

.hero-visual svg {
  width: 100%;
  height: 100%;
}

@media (max-width: 900px) {
  .hero-visual {
    display: none;
  }

  .hero-content {
    text-align: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }
}

/* === Section Header === */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  margin: 20px auto 0;
  border-radius: 2px;
}

/* === Stats Cards === */
.stats-section {
  background: linear-gradient(180deg, transparent, rgba(0, 132, 255, 0.02), transparent);
}

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

.stat-card {
  text-align: center;
  padding: 40px 24px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: all 0.3s var(--ease-out);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.03);
}

.stat-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(0, 132, 255, 0.1), 0 0 30px var(--accent-glow);
}

.stat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0, 132, 255, 0.25);
}

.stat-icon i {
  width: 28px;
  height: 28px;
  stroke: white;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* === Feature Cards === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 36px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.03);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(0, 132, 255, 0.1), 0 8px 30px rgba(0, 132, 255, 0.06);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 132, 255, 0.1), rgba(0, 196, 255, 0.05));
  border: 1px solid rgba(0, 132, 255, 0.15);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon i {
  width: 32px;
  height: 32px;
  stroke: var(--accent);
}

.feature-card h3 {
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* === Value Section === */
.value-section {
  background: linear-gradient(180deg, transparent, rgba(0, 132, 255, 0.02), transparent);
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.value-item {
  display: flex;
  gap: 24px;
  padding: 28px 32px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.3s var(--ease-out);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
}

.value-item:hover {
  transform: translateX(8px);
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(0, 132, 255, 0.08);
}

.value-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.7;
}

.value-content h3 {
  margin-bottom: 8px;
}

.value-content p {
  color: var(--text-secondary);
}

/* === CTA Section === */
.cta-section {
  text-align: center;
  position: relative;
}

.cta-box {
  padding: 80px 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 132, 255, 0.3);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.15), transparent 50%);
  animation: float 8s ease-in-out infinite;
}

.cta-box h2 {
  position: relative;
  color: white;
  margin-bottom: 16px;
}

.cta-box h2 .text-accent {
  color: white;
  opacity: 0.9;
}

.cta-box p {
  position: relative;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-box .btn-primary {
  position: relative;
  background: white;
  color: var(--accent);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.cta-box .btn-primary:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

/* === Footer === */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
  background: white;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--accent);
  font-weight: 500;
}

.footer-bottom {
  white-space: nowrap;
  flex-direction: column;
  gap: 8px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 600px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
  white-space: nowrap;
  flex-direction: column;
  gap: 8px;
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* === Page Hero (Inner Pages) === */
.page-hero {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 196, 255, 0.08) 0%, transparent 60%);
}

.page-hero h1 {
  position: relative;
  margin-bottom: 16px;
}

.page-hero p {
  position: relative;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* === Content Section === */
.content-section {
  padding: 60px 0;
}

.content-block {
  max-width: 800px;
  margin: 0 auto 60px;
}

.content-block h2 {
  margin-bottom: 24px;
  position: relative;
}

.content-block h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 2px;
}

.content-block p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* === Timeline === */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 60px auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent), var(--accent-light));
  border-radius: 2px;
}

.timeline-item {
  display: flex;
  gap: 40px;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
  text-align: right;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  left: auto;
  right: -53px;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: white;
  border: 3px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 132, 255, 0.15);
}

.timeline-content {
  width: calc(50% - 40px);
  padding: 24px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.03);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: row;
    text-align: left;
    padding-left: 50px;
  }

  .timeline-item:nth-child(odd) .timeline-content::before {
    left: -40px;
    right: auto;
  }

  .timeline-dot {
    left: 20px;
  }

  .timeline-content {
    width: 100%;
  }
}

/* === Product Cards === */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
}

.product-detail:nth-child(even) {
  direction: rtl;
}

.product-detail:nth-child(even) > * {
  direction: ltr;
}

.product-visual {
  aspect-ratio: 4/3;
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.product-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), transparent);
  opacity: 0.5;
}

.product-visual i {
  width: 80px;
  height: 80px;
  stroke: var(--accent);
  opacity: 0.4;
}

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

.product-info p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.8;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
}

.product-features li i {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  opacity: 1;
}

@media (max-width: 900px) {
  .product-detail,
  .product-detail:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
    text-align: left;
  }
}

/* === Contact Form === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
}

.contact-info {
  padding: 40px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.03);
}

.contact-info h3 {
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(0, 132, 255, 0.1), rgba(0, 196, 255, 0.05));
  border: 1px solid rgba(0, 132, 255, 0.15);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon i {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
}

.contact-item-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.contact-item-value {
  font-size: 1rem;
}

.contact-form {
  padding: 40px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.03);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: white;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 60px 40px;
}

.form-success.show {
  display: block;
}

.form-success i {
  width: 64px;
  height: 64px;
  stroke: var(--accent);
  margin-bottom: 24px;
}

.form-success h3 {
  margin-bottom: 12px;
}

.form-success p {
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* === Product Entry === */
.login-section {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 40px) 24px 60px;
  background-image: 
    radial-gradient(ellipse at 30% 50%, rgba(0, 196, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(0, 132, 255, 0.06) 0%, transparent 50%);
}

.login-box {
  width: 100%;
  max-width: 440px;
  padding: 48px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 24px;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
}

.login-box h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.login-box > p {
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.login-logo {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 132, 255, 0.3);
}

.login-logo i {
  width: 40px;
  height: 40px;
  stroke: white;
}

.login-form .form-group {
  text-align: left;
}

.login-form .btn {
  width: 100%;
  margin-top: 8px;
}

.login-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 28px 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.login-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.login-footer p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* === Utility === */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 32px; }
.mt-6 { margin-top: 48px; }

/* === About Page Styles === */

/* About Hero */
.about-hero {
  text-align: center;
  padding: 40px 0 60px;
}

.about-hero-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(0, 132, 255, 0.1), rgba(0, 196, 255, 0.05));
  border: 2px solid rgba(0, 132, 255, 0.15);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.about-hero h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-hero-tagline {
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
}

.about-hero-desc {
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
}

/* About Stats */
.about-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 40px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.about-stat-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-stat-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.about-stat-unit {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

.about-stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

@media (max-width: 600px) {
  .about-stats {
    flex-direction: column;
    gap: 24px;
  }
  .about-stat-divider {
    width: 60px;
    height: 1px;
  }
}

/* Strength Grid */
.strength-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.strength-card {
  padding: 32px 24px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.strength-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transition: transform 0.3s var(--ease-out);
}

.strength-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(0, 132, 255, 0.1);
}

.strength-card:hover::after {
  transform: scaleX(1);
}

.strength-card-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(0, 132, 255, 0.1), rgba(0, 196, 255, 0.05));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.strength-card-icon i {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
}

.strength-card-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.5;
  margin-bottom: 8px;
}

.strength-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.strength-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .strength-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .strength-grid {
    grid-template-columns: 1fr;
  }
}

/* Value Cards */
.value-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.value-card {
  display: flex;
  gap: 28px;
  padding: 32px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: all 0.3s var(--ease-out);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.02);
}

.value-card:hover {
  transform: translateX(8px);
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(0, 132, 255, 0.08);
}

.value-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(0, 132, 255, 0.25);
}

.value-card-icon i {
  width: 28px;
  height: 28px;
  stroke: white;
}

.value-card-content h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.value-card-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

@media (max-width: 600px) {
  .value-card {
    flex-direction: column;
    text-align: center;
  }
  .value-card-icon {
    margin: 0 auto;
  }
}

/* Mission Section */
.mission-section {
  padding: 60px 0;
}

.mission-box {
  padding: 60px 50px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 24px;
  text-align: center;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

.mission-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
  background-size: 200% 100%;
  animation: gradientShift 3s ease infinite;
}

.mission-badge {
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(0, 132, 255, 0.1), rgba(0, 196, 255, 0.05));
  border: 1px solid rgba(0, 132, 255, 0.15);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 24px;
}

.mission-box h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-bottom: 20px;
}

.mission-box p {
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.mission-tags {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.mission-tag {
  padding: 10px 24px;
  background: linear-gradient(135deg, rgba(0, 132, 255, 0.08), rgba(0, 196, 255, 0.04));
  border: 1px solid rgba(0, 132, 255, 0.12);
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  transition: all 0.3s;
}

.mission-tag:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 132, 255, 0.25);
}

@media (max-width: 600px) {
  .mission-box {
    padding: 40px 24px;
  }
}