/* ============================================
   Borong Automation - Global Stylesheet
   Tech-inspired design for B2B vibratory feeder manufacturer
   ============================================ */

/* ===== CSS Variables ===== */
:root {
  /* Colors - Tech Dark Theme */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a2035;
  --bg-card-hover: #222a45;
  --accent-cyan: #00d4ff;
  --accent-blue: #0066ff;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --text-muted: #6b7280;
  --border-color: rgba(0, 212, 255, 0.2);
  --border-hover: rgba(0, 212, 255, 0.5);
  --gradient-1: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
  --gradient-2: linear-gradient(135deg, #0a0e1a 0%, #111827 50%, #0a0e1a 100%);
  --gradient-hero: linear-gradient(180deg, #0a0e1a 0%, #0d1525 40%, #0a0e1a 100%);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --font-main: 'Inter', 'Segoe UI', 'Hiragino Sans', 'Noto Sans', sans-serif;
  --font-size-base: 16px;

  /* Layout */
  --max-width: 1280px;
  --header-height: 70px;
  --radius: 12px;
  --radius-sm: 8px;
}

/* Light mode override */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-muted: #94a3b8;
  --border-color: rgba(0, 102, 255, 0.15);
  --border-hover: rgba(0, 102, 255, 0.4);
  --gradient-2: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f8fafc 100%);
  --gradient-hero: linear-gradient(180deg, #f8fafc 0%, #eef2f8 40%, #f8fafc 100%);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* RTL Support */
[dir="rtl"] {
  text-align: right;
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; color: inherit; }

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

.section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.85);
}

.header.scrolled {
  background: rgba(10, 14, 26, 0.95);
  box-shadow: 0 2px 20px rgba(0, 212, 255, 0.1);
}

[data-theme="light"] .header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  font-weight: 700;
  box-shadow: var(--shadow-glow);
}

.logo-img {
  height: 42px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.3));
  transition: var(--transition);
}

.logo:hover .logo-img {
  filter: drop-shadow(0 0 12px rgba(0, 212, 255, 0.6));
  transform: scale(1.05);
}

.about-photo {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.about-photo:hover { transform: scale(1.02); border-color: var(--border-hover); }
.about-photo-2 { margin-top: 20px; }

.facility-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.facility-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}
.facility-img:hover {
  transform: scale(1.03);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: var(--transition);
}

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

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.lang-btn:hover {
  border-color: var(--border-hover);
  color: var(--accent-cyan);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  min-width: 160px;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 100;
}

.lang-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
  cursor: pointer;
}

.lang-option:hover {
  background: var(--bg-card-hover);
  color: var(--accent-cyan);
}

.lang-option.active {
  color: var(--accent-cyan);
  background: var(--accent-glow);
}

.lang-flag {
  font-size: 1.2rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

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

/* Animated grid background */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* Glowing orbs */
.hero::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 30px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-text p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.btn {
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 212, 255, 0.45);
}

.btn-outline {
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  background: var(--accent-glow);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.stat-item .stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual-bg {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-visual-ring {
  position: absolute;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}

.hero-visual-ring:nth-child(2) { width: 200px; height: 200px; animation-duration: 15s; }
.hero-visual-ring:nth-child(3) { width: 300px; height: 300px; animation-duration: 25s; animation-direction: reverse; }
.hero-visual-ring:nth-child(4) { width: 400px; height: 400px; animation-duration: 35s; }

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

.hero-visual-ring::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.hero-visual-center {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-visual-center .icon {
  font-size: 4rem;
  margin-bottom: 12px;
}

.hero-visual-center .label {
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-image {
  width: 360px;
  max-width: 90%;
  height: auto;
  border-radius: 50%;
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.4), inset 0 0 20px rgba(0, 212, 255, 0.1);
  object-fit: cover;
  aspect-ratio: 1;
}

.hero-image-overlay {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(10px);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 1px solid var(--border-color);
  z-index: 3;
}

/* ===== Products Section ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.product-card-image {
  height: 200px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card-image img,
.product-card-full-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-card-image img,
.product-card-full:hover .product-card-full-image img {
  transform: scale(1.08);
}

.product-card-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, var(--accent-glow) 100%);
}

.product-card-image .placeholder {
  font-size: 3rem;
  opacity: 0.3;
}

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

.product-card-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.product-card-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.product-card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-glow);
  color: var(--accent-cyan);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== Advantages Section ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.advantage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.advantage-card:hover::before {
  transform: scaleX(1);
}

.advantage-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}

.advantage-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.advantage-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.advantage-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Clients Section ===== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.client-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.client-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.client-quote {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  font-style: italic;
}

/* ===== Industries Section ===== */
.industries-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.industry-tag {
  padding: 10px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
  cursor: default;
}

.industry-tag:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: var(--accent-glow);
}

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

.about-text h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
}

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

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.about-stat {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
}

.about-stat .num {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stat .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* About Visual */
.about-visual {
  position: relative;
  height: 400px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual .placeholder-large {
  font-size: 6rem;
  opacity: 0.1;
}

/* ===== Process Section ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step-num {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
  transition: var(--transition);
}

.process-step:hover .process-step-num {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
}

.process-step h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Contact Section ===== */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item:last-child { margin-bottom: 0; }

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-item .value {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 24px;
}

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

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 12px;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Page Banner ===== */
.page-banner {
  padding: calc(var(--header-height) + 60px) 0 60px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.page-banner h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}

.page-banner p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  position: relative;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .hero-content,
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
  }

  .hero-visual { display: none; }

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

  .hero-text h1 { font-size: 2.4rem; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-150%);
    transition: var(--transition);
    z-index: 999;
  }

  .nav-menu.show {
    transform: translateY(0);
  }

  .menu-toggle { display: flex; }

  .section { padding: 60px 0; }
  .section-title { font-size: 1.8rem; }
  .hero-text h1 { font-size: 2rem; }
  .hero-text p { font-size: 1rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .about-stats { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 24px; }
  .stat-item .stat-num { font-size: 1.5rem; }
}