/* ═══════════════════════════════════════════════════════════════
   昭商智能官网 · style.css
   深色主题 + 橙色(#FF6B00)强调色 + 玻璃态效果
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --primary: #FF6B00;
  --primary-light: #FF8C33;
  --primary-dark: #E65C00;
  --dark: #000000;
  --bg: #0a0e17;
  --card-bg: rgba(17, 24, 39, 0.6);
  --card-bg-hover: rgba(26, 35, 50, 0.8);
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);
  --white: #ffffff;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gradient-primary: linear-gradient(135deg, #FF6B00 0%, #FF8C33 50%, #FFB366 100%);
  --gradient-dark: linear-gradient(135deg, #0a0e17 0%, #111827 100%);
  --gradient-card: linear-gradient(145deg, rgba(17,24,39,0.6) 0%, rgba(10,14,23,0.7) 100%);
  --glass: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(255, 107, 0, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

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

.section {
  padding: 100px 0;
  position: relative;
}

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

.section-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  background: rgba(255, 107, 0, 0.12);
  color: var(--primary);
  border-radius: 20px;
  border: 1px solid rgba(255, 107, 0, 0.2);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 36px;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-title span {
  color: var(--primary);
}

.section-subtitle {
  font-size: 16px;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Header ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 0 40px;
  transition: transform 0.3s, background 0.3s;
}

.header-hidden {
  transform: translateY(-100%);
}

.logo {
  font-size: 22px;
  font-weight: 900;
  color: var(--white);
  white-space: nowrap;
}

.logo span {
  color: var(--primary);
}

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

.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-400);
  padding: 6px 14px;
  border-radius: 6px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.25s ease, left 0.25s ease;
}

.nav a:hover::after,
.nav a.active::after {
  width: 60%;
  left: 20%;
}

.nav a:hover,
.nav a.active {
  color: var(--primary);
  background: rgba(255, 107, 0, 0.08);
}

.nav-cta {
  margin-left: 12px;
  padding: 8px 20px !important;
  background: var(--gradient-primary) !important;
  color: var(--white) !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  font-size: 13px !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.4);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: all 0.3s;
  border-radius: 2px;
}

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

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

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

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 107, 0, 0.1);
  border: 1px solid rgba(255, 107, 0, 0.2);
  border-radius: 24px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 35px rgba(255, 107, 0, 0.45), 0 0 20px rgba(255, 107, 0, 0.2);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-secondary:hover {
  background: rgba(255, 107, 0, 0.08);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(255, 107, 0, 0.2);
}

.btn-secondary:active {
  transform: translateY(0) scale(0.98);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.hero-stat .num {
  font-size: 36px;
  font-weight: 900;
  color: var(--primary);
  display: block;
}

.hero-stat .label {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 4px;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-visual-inner {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-circle {
  position: absolute;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  overflow: hidden;
  animation: heroPulse 4s ease-in-out infinite;
  box-shadow: 0 0 60px rgba(255, 107, 0, 0.3), 0 0 120px rgba(255, 107, 0, 0.1);
  z-index: 2;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  animation: heroImgBreath 6s ease-in-out infinite;
}

@keyframes heroPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 60px rgba(255, 107, 0, 0.3), 0 0 120px rgba(255, 107, 0, 0.1); }
  50% { transform: scale(1.03); box-shadow: 0 0 80px rgba(255, 107, 0, 0.4), 0 0 160px rgba(255, 107, 0, 0.15); }
}

@keyframes heroImgBreath {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.08); opacity: 0.8; }
}

/* Orbit Rings */
.hero-orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 107, 0, 0.15);
  z-index: 1;
}

.ring-1 {
  width: 85%;
  height: 85%;
  animation: orbitSpin 20s linear infinite;
}

.ring-2 {
  width: 100%;
  height: 100%;
  animation: orbitSpin 30s linear infinite reverse;
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.06);
}

.ring-3 {
  width: 115%;
  height: 115%;
  animation: orbitSpin 40s linear infinite;
  border-color: rgba(255, 107, 0, 0.08);
}

.orbit-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  top: -4px;
  left: 50%;
  box-shadow: 0 0 12px rgba(255, 107, 0, 0.6), 0 0 24px rgba(255, 107, 0, 0.3);
  animation: dotPulse 2s ease-in-out infinite;
}

.ring-2 .orbit-dot {
  background: var(--primary-light);
  width: 6px;
  height: 6px;
  top: auto;
  bottom: -3px;
  box-shadow: 0 0 8px rgba(255, 140, 51, 0.5);
}

.ring-3 .orbit-dot {
  background: #FFB366;
  width: 5px;
  height: 5px;
  top: 50%;
  left: -2px;
  box-shadow: 0 0 8px rgba(255, 179, 102, 0.5);
}

@keyframes orbitSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

/* Floating Particles */
.hero-particle {
  position: absolute;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.4;
  z-index: 1;
}

.hero-particle.p1 {
  width: 4px; height: 4px;
  top: 15%; left: 20%;
  animation: particleFloat 5s ease-in-out infinite;
}

.hero-particle.p2 {
  width: 6px; height: 6px;
  top: 25%; right: 15%;
  animation: particleFloat 7s ease-in-out infinite 1s;
  background: var(--primary-light);
}

.hero-particle.p3 {
  width: 3px; height: 3px;
  bottom: 30%; left: 10%;
  animation: particleFloat 6s ease-in-out infinite 2s;
  background: #FFB366;
}

.hero-particle.p4 {
  width: 5px; height: 5px;
  bottom: 20%; right: 20%;
  animation: particleFloat 8s ease-in-out infinite 0.5s;
}

.hero-particle.p5 {
  width: 4px; height: 4px;
  top: 50%; left: 5%;
  animation: particleFloat 6.5s ease-in-out infinite 3s;
  background: #FFB366;
}

@keyframes particleFloat {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.4; }
  25% { transform: translateY(-15px) translateX(8px); opacity: 0.7; }
  50% { transform: translateY(-5px) translateX(-5px); opacity: 0.3; }
  75% { transform: translateY(-20px) translateX(3px); opacity: 0.6; }
}

.hero-float {
  position: absolute;
  padding: 12px 18px;
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--gray-300);
  white-space: nowrap;
  backdrop-filter: blur(10px);
  z-index: 3;
  animation: floatLabel 6s ease-in-out infinite;
  transition: all 0.3s ease;
}

.hero-float:hover {
  background: rgba(255, 107, 0, 0.15);
  border-color: rgba(255, 107, 0, 0.4);
  color: var(--primary);
  transform: translateY(-4px) scale(1.05);
}

.hero-float.top { top: 5%; left: 10%; animation-delay: 0s; }
.hero-float.right { top: 40%; right: 0; animation-delay: 1.5s; }
.hero-float.bottom { bottom: 10%; left: 5%; animation-delay: 3s; }

.hero-float .icon { font-size: 18px; margin-right: 6px; }

@keyframes floatLabel {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.12) 0%, transparent 70%);
  animation: glow 4s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 1; }
}

/* ── Pain / Solution Section ── */
.vs-divider {
  text-align: center;
  margin: 60px 0;
}

.vs-divider .vs-line {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 600px;
  margin: 0 auto;
}

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

.vs-divider .vs-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  color: var(--white);
  flex-shrink: 0;
}

.pain-solution-grid {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 24px;
  align-items: start;
}

.pain-card, .solution-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.pain-card {
  background: rgba(239, 68, 68, 0.04);
  border-color: rgba(239, 68, 68, 0.15);
}

.solution-card {
  background: rgba(16, 185, 129, 0.04);
  border-color: rgba(16, 185, 129, 0.15);
}

.pain-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #f87171;
  margin-bottom: 12px;
}

.solution-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #34d399;
  margin-bottom: 12px;
}

.pain-card ul, .solution-card ul {
  list-style: none;
  font-size: 14px;
  color: var(--gray-300);
  line-height: 1.8;
}

.pain-card li::before {
  content: '✗ ';
  color: #f87171;
  font-weight: 700;
}

.solution-card li::before {
  content: '✓ ';
  color: #34d399;
  font-weight: 700;
}

.vs-col {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 60px;
}

/* ── Feature Cards (Products) ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 28px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  will-change: transform, box-shadow;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.feature-card:hover {
  background: var(--card-bg-hover);
  border-color: rgba(255, 107, 0, 0.3);
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 20px 40px rgba(255, 107, 0, 0.15), 0 0 30px rgba(255, 107, 0, 0.1);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.15) 0%, rgba(255, 107, 0, 0.05) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 107, 0, 0.2);
  transition: all 0.25s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.25) 0%, rgba(255, 107, 0, 0.1) 100%);
  box-shadow: 0 8px 20px rgba(255, 107, 0, 0.2);
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  transition: color 0.2s ease;
}

.feature-card:hover h3 {
  color: var(--primary);
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.7;
}

.feature-card ul {
  margin-top: 12px;
  font-size: 13px;
  color: var(--gray-400);
  list-style: none;
}

.feature-card li {
  margin-bottom: 4px;
  padding-left: 12px;
  position: relative;
}

.feature-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary);
}

/* ── Services Grid ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  padding: 24px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  will-change: transform, box-shadow;
  cursor: pointer;
}

.service-card:hover {
  background: var(--card-bg-hover);
  border-color: rgba(255, 107, 0, 0.3);
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 20px 40px rgba(255, 107, 0, 0.15), 0 0 30px rgba(255, 107, 0, 0.1);
}

.service-card .icon {
  font-size: 40px;
  margin-bottom: 14px;
  display: block;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.service-card:hover .icon {
  transform: scale(1.2) translateY(-4px);
}

.service-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  transition: color 0.2s ease;
}

.service-card:hover h4 {
  color: var(--primary);
}

.service-card p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ── Tech Grid ── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tech-card {
  padding: 28px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform, box-shadow;
  cursor: pointer;
}

.tech-card:hover {
  background: var(--card-bg-hover);
  border-color: rgba(255, 107, 0, 0.3);
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 20px 40px rgba(255, 107, 0, 0.15), 0 0 30px rgba(255, 107, 0, 0.1);
}

.tech-card .icon {
  font-size: 44px;
  margin-bottom: 14px;
  display: block;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.tech-card:hover .icon {
  transform: scale(1.15) rotate(-5deg);
}

.tech-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  transition: color 0.2s ease;
}

.tech-card:hover h3 {
  color: var(--primary);
}

.tech-card p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ── About Section ── */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 16px;
  line-height: 1.3;
}

.about-text h2 span {
  color: var(--primary);
}

.about-text p {
  font-size: 15px;
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.about-info-item {
  padding: 14px 18px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  transition: all 0.25s ease;
  cursor: default;
}

.about-info-item:hover {
  background: var(--card-bg-hover);
  border-color: rgba(255, 107, 0, 0.2);
  transform: translateX(4px);
}

.about-info-item .label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.about-info-item .value {
  font-size: 14px;
  font-weight: 600;
}

.about-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual-box {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.about-visual-box .center-content {
  text-align: center;
  z-index: 1;
}

/* ── Pricing Table ── */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.pricing-table th, .pricing-table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.pricing-table th {
  background: rgba(255, 107, 0, 0.06);
  color: var(--gray-300);
  font-weight: 600;
  font-size: 13px;
}

.pricing-table td {
  color: var(--gray-300);
}

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

.pricing-table .price-value {
  color: var(--primary);
  font-weight: 700;
  font-size: 16px;
}

.pricing-notes {
  list-style: none;
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.pricing-notes li {
  font-size: 13px;
  color: var(--gray-400);
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 20px;
}

/* ── Comparison Table ── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.comparison-table th, .comparison-table td {
  padding: 14px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.comparison-table th {
  background: rgba(255, 107, 0, 0.06);
  color: var(--gray-300);
  font-weight: 600;
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--gray-300);
}

.comparison-table td:nth-child(2) {
  color: #34d399;
}

.comparison-table td:nth-child(3) {
  color: #f87171;
}

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

/* ── News Grid ── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.news-card:hover {
  background: var(--card-bg-hover);
  border-color: rgba(255, 107, 0, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.news-card-link {
  display: block;
  color: var(--white);
}

.news-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.1) 0%, rgba(10, 14, 23, 0.8) 100%);
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.news-card:hover .news-card-image img {
  transform: scale(1.05);
}

.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 107, 0, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: white;
}

.news-card-body {
  padding: 20px;
}

.news-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.news-tag {
  font-size: 11px;
  padding: 3px 10px;
  background: rgba(255, 107, 0, 0.12);
  color: var(--primary);
  border-radius: 4px;
}

.news-card-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-excerpt {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.news-readmore {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  transition: all 0.2s;
}

.news-card:hover .news-readmore {
  letter-spacing: 0.5px;
}

/* ── CTA Section ── */
.cta-section {
  text-align: center;
  padding: 100px 0;
}

.cta-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.cta-card:hover {
  border-color: rgba(255, 107, 0, 0.25);
  box-shadow: 0 0 60px rgba(255, 107, 0, 0.1);
}

.cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(255, 107, 0, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 16px;
  position: relative;
}

.cta-card p {
  font-size: 16px;
  color: var(--gray-400);
  margin-bottom: 32px;
  position: relative;
}

.cta-card .btn-primary {
  position: relative;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
}

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

.footer-brand .logo {
  font-size: 20px;
  margin-bottom: 12px;
  display: block;
}

.footer-brand p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--gray-300);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  font-size: 13px;
  color: var(--gray-500);
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: var(--primary);
}

.footer-contact-item {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.footer-contact-item .icon {
  font-size: 14px;
  margin-top: 2px;
  flex-shrink: 0;
}

.footer-contact-item span {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--gray-600);
}

.footer-bottom a {
  color: var(--gray-500);
  font-size: 12px;
}

.footer-bottom a:hover {
  color: var(--primary);
}

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px) rotate(180deg);
  box-shadow: 0 8px 28px rgba(255, 107, 0, 0.5), 0 0 20px rgba(255, 107, 0, 0.3);
}

/* ── Scroll Reveal ── */
.reveal-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ── Responsive: Tablet ── */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    display: none;
  }

  .hero h1 {
    font-size: 40px;
  }

  .section-title {
    font-size: 30px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .pain-solution-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .vs-col {
    padding-top: 0;
  }
}

/* ── Responsive: Mobile ── */
@media (max-width: 768px) {
  .header {
    padding: 0 20px;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 80px 24px 40px;
    gap: 4px;
    transition: right 0.3s;
    border-left: 1px solid var(--border);
    overflow-y: auto;
  }

  .nav.is-open {
    right: 0;
  }

  .nav a {
    font-size: 15px;
    padding: 10px 14px;
    width: 100%;
  }

  .nav-cta {
    margin-left: 0 !important;
    margin-top: 12px;
    text-align: center;
    justify-content: center;
  }

  .nav-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat .num {
    font-size: 28px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 26px;
  }

  .section-subtitle {
    font-size: 14px;
  }

  .features-grid,
  .services-grid,
  .tech-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }

  .pricing-table {
    display: none;
  }

  .comparison-table {
    font-size: 12px;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 10px 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cta-card {
    padding: 40px 20px;
  }

  .cta-card h2 {
    font-size: 24px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* ── Responsive: Small Mobile ── */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 28px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .about-info {
    grid-template-columns: 1fr;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .container {
    padding: 0 16px;
  }
}