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

:root {
  --sky: #0ea5e9;
  --sky-dark: #0284c7;
  --sky-light: #e0f2fe;
  --sky-mid: #38bdf8;
  --sky-glow: rgba(14,165,233,0.18);
  --white: #ffffff;
  --bg: #f8fafc;
  --bg2: #f1f5f9;
  --bg3: #e2e8f0;
  --text: #0f172a;
  --text2: #475569;
  --text3: #94a3b8;
  --border: #e2e8f0;
  --border2: #cbd5e1;
  --green: #16a34a;
  --red: #dc2626;
  --accent: var(--sky);
  --accent2: var(--sky-dark);
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 68px;
  --font: 'Inter', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--white); color: var(--text); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ==================== NAV ==================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; height: var(--nav-h);
  background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 60%, #38bdf8 100%);
  box-shadow: 0 2px 12px rgba(2,132,199,0.25);
  transition: background 0.3s;
}
.nav.scrolled {
  background: linear-gradient(135deg, #0369a1 0%, #0284c7 100%);
  box-shadow: 0 4px 20px rgba(2,132,199,0.35);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; gap: 24px;
}
.logo {
  display: flex; align-items: center;
  font-size: 1.2rem; font-weight: 800; letter-spacing: -0.5px;
  color: #fff; white-space: nowrap; flex-shrink: 0;
}
.logo-img { height: 44px; width: auto; object-fit: contain; background: transparent; }
.logo-text { display: flex; align-items: center; gap: 4px; color: #fff; }
.logo-text em { font-style: normal; color: #bae6fd; }
.logo-fallback { color: #bae6fd; font-size: 0.85rem; }

/* NAV LINKS */
.nav-links { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-links li a {
  padding: 6px 12px;
  font-size: 0.84rem; font-weight: 500;
  color: rgba(255,255,255,0.9); border-radius: 8px;
  transition: all 0.2s; display: flex; align-items: center; gap: 4px;
}
.nav-links li a:hover { color: #fff; background: rgba(255,255,255,0.18); }
.chevron { font-size: 0.7rem; }

/* DROPDOWN */
.dropdown-wrap { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 8px); left: 50%;
  transform: translateX(-50%);
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 6px;
  min-width: 180px; box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  transform: translateX(-50%) translateY(-8px);
}
.dropdown-wrap:hover .dropdown-menu {
  opacity: 1; pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
  display: block; padding: 8px 14px;
  font-size: 0.875rem; color: var(--text2);
  border-radius: 8px; transition: all 0.15s;
}
.dropdown-menu a:hover { background: var(--sky-light); color: var(--sky-dark); }

/* NAV RIGHT */
.nav-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-login {
  padding: 7px 18px;
  background: rgba(255,255,255,0.2);
  border: 1.5px solid rgba(255,255,255,0.5);
  color: #fff; font-size: 0.84rem; font-weight: 600;
  border-radius: 8px; cursor: pointer; transition: all 0.2s;
}
.btn-login:hover { background: rgba(255,255,255,0.35); }

/* USER MENU */
.user-menu { position: relative; }
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.25); border: 2px solid rgba(255,255,255,0.6);
  color: #fff; font-size: 0.85rem; font-weight: 700;
  cursor: pointer; transition: all 0.2s;
}
.user-avatar:hover { background: rgba(255,255,255,0.4); }
.user-dropdown {
  position: absolute; top: calc(100% + 10px); right: 0;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-sm); min-width: 200px;
  box-shadow: var(--shadow-lg); overflow: hidden;
  display: none;
}
.user-dropdown.open { display: block; }
.user-info-header { padding: 14px 16px; border-bottom: 1px solid var(--border); background: var(--bg); }
.user-info-header strong { display: block; font-size: 0.9rem; color: var(--text); }
.user-info-header span { font-size: 0.78rem; color: var(--text3); }
.user-dropdown a { display: block; padding: 10px 16px; font-size: 0.875rem; color: var(--text2); transition: all 0.15s; }
.user-dropdown a:hover { background: var(--bg); color: var(--red); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.3s; }

/* ==================== BUTTONS ==================== */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px;
  background: var(--sky); color: #fff; font-weight: 600; font-size: 0.9rem;
  border-radius: var(--radius-sm); border: none; cursor: pointer;
  transition: all 0.25s; white-space: nowrap;
  box-shadow: 0 4px 14px rgba(14,165,233,0.3);
}
.btn-primary:hover { background: var(--sky-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(14,165,233,0.4); }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px;
  background: transparent; color: var(--sky-dark); font-weight: 600; font-size: 0.9rem;
  border-radius: var(--radius-sm); border: 2px solid var(--sky);
  cursor: pointer; transition: all 0.25s; white-space: nowrap;
}
.btn-outline:hover { background: var(--sky-light); border-color: var(--sky-dark); }
.btn-sm { padding: 8px 16px; font-size: 0.8rem; }
.btn-block { width: 100%; }
.btn-demo {
  padding: 12px 24px; background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff; font-weight: 700; font-size: 0.88rem;
  border-radius: var(--radius-sm); border: none; cursor: pointer;
  transition: all 0.25s; white-space: nowrap;
  box-shadow: 0 4px 14px rgba(245,158,11,0.3);
}
.btn-demo:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,158,11,0.4); }
.btn-demo-lg {
  padding: 14px 32px; background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff; font-weight: 700; font-size: 0.95rem;
  border-radius: var(--radius-sm); border: none; cursor: pointer;
  transition: all 0.25s; white-space: nowrap; flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(245,158,11,0.3);
}
.btn-demo-lg:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.45); }

/* ==================== SECTION SHARED ==================== */
.section-tag {
  display: inline-block; padding: 4px 14px;
  background: var(--sky-light); border: 1px solid #bae6fd;
  color: var(--sky-dark); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  border-radius: 100px; margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 16px; color: var(--text);
}
.section-sub { font-size: 1.05rem; color: var(--text2); max-width: 600px; margin-bottom: 56px; }
.gradient-text {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ==================== HERO ==================== */
.hero-outer {
  width: 100%;
  background: linear-gradient(160deg, #f0f9ff 0%, #e0f2fe 40%, #f8fafc 100%);
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(14,165,233,0.10) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(56,189,248,0.08) 0%, transparent 60%);
  z-index: 0;
}
.hero {
  min-height: 100vh;
  max-width: 1280px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
  position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px;
  background: rgba(14,165,233,0.10); border: 1px solid rgba(14,165,233,0.25);
  border-radius: 100px; font-size: 0.8rem; font-weight: 600; color: var(--sky-dark); margin-bottom: 24px;
}
.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800;
  letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 20px; color: var(--text);
}
.hero-desc { font-size: 1.05rem; color: var(--text2); max-width: 480px; margin-bottom: 36px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.03em; color: var(--sky-dark); }
.stat-label { font-size: 0.75rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-map-wrap { width: 100%; max-width: 560px; position: relative; }
.hero-map-wrap img { box-shadow: 0 20px 60px rgba(14,165,233,0.18); }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; } }

/* ==================== ABOUT ==================== */
.about { padding: 100px 0; background: var(--bg); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.feature-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow-sm); transition: all 0.3s;
}
.feature-card:hover { border-color: #bae6fd; transform: translateY(-4px); box-shadow: 0 8px 30px rgba(14,165,233,0.12); }
.feature-icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.feature-card p { font-size: 0.9rem; color: var(--text2); line-height: 1.6; }

/* ==================== MAP SECTION ==================== */
.map-section { padding: 100px 0; background: var(--white); }
.map-wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: start; }
@media (max-width: 900px) { .map-wrap { grid-template-columns: 1fr; } }
.map-left { }
.canada-map-container { border-radius: 16px; overflow: visible; box-shadow: var(--shadow); }
/* City pin overlay */
.map-pin-overlay {
  position: absolute;
  transform: translate(-50%, -100%);
  display: flex; flex-direction: column; align-items: center;
  pointer-events: none;
}
.pin-dot {
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 0 3px rgba(2,132,199,0.25);
  animation: pin-blink 2s ease-in-out infinite;
  position: relative; z-index: 2;
}
.hq-dot {
  width: 15px; height: 15px;
  box-shadow: 0 0 0 4px rgba(245,158,11,0.3);
}
.pin-flag-wrap { margin-bottom: 2px; order: -1; }
.pin-flag {
  color: white; font-size: 10px; font-weight: 600;
  padding: 2px 7px; border-radius: 4px;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  font-family: 'Inter', sans-serif;
}
.hq-flag { font-size: 11px; padding: 3px 9px; }
@keyframes pin-blink { 0%, 100% { box-shadow: 0 0 0 3px rgba(2,132,199,0.25); } 50% { box-shadow: 0 0 0 6px rgba(2,132,199,0.1); } }
.map-right { padding-top: 20px; }
.city-cards { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.city-card {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px; background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.city-card:hover { border-color: #bae6fd; background: var(--sky-light); transform: translateX(4px); }
.city-card.active-city { border-color: var(--sky); background: var(--sky-light); }
.city-flag { font-size: 1.5rem; flex-shrink: 0; }
.city-card strong { display: block; font-size: 0.9rem; font-weight: 700; color: var(--text); }
.city-card span { font-size: 0.78rem; color: var(--text3); }

/* ==================== PRODUCTS ==================== */
.products { padding: 100px 0; background: var(--bg); }
.product-showcase {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  margin-bottom: 80px;
}
.product-showcase.reverse { direction: rtl; }
.product-showcase.reverse > * { direction: ltr; }
@media (max-width: 860px) { .product-showcase, .product-showcase.reverse { grid-template-columns: 1fr; direction: ltr; } }
.product-showcase-img { position: relative; }
.product-showcase-img img { width: 100%; border-radius: 20px; box-shadow: var(--shadow-lg); border: 2px solid #bae6fd; }
.product-model-badge {
  position: absolute; top: -14px; left: 24px; z-index: 2;
  background: var(--sky-dark); color: #fff;
  font-size: 0.8rem; font-weight: 800; padding: 6px 18px;
  border-radius: 100px; letter-spacing: 0.04em;
  box-shadow: 0 4px 12px rgba(2,132,199,0.3);
}
.product-model-badge.featured { background: linear-gradient(135deg, #f59e0b, #d97706); }
.bestseller-ribbon {
  position: absolute; top: 16px; right: -12px;
  background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff;
  font-size: 0.75rem; font-weight: 700; padding: 6px 14px;
  border-radius: 100px; box-shadow: 0 4px 12px rgba(245,158,11,0.3);
}
.product-series-tag {
  display: inline-block; padding: 3px 10px;
  background: rgba(14,165,233,0.1); border: 1px solid rgba(14,165,233,0.25);
  color: var(--sky-dark); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; border-radius: 100px;
  margin-bottom: 12px;
}
.product-showcase-title { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 14px; color: var(--text); }
.product-showcase-desc { font-size: 0.95rem; color: var(--text2); line-height: 1.7; margin-bottom: 24px; }
.spec-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-bottom: 24px; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px;
}
.spec-item { display: flex; flex-direction: column; align-items: center; text-align: center; }
.spec-label { font-size: 0.7rem; color: var(--text3); font-weight: 600; text-transform: uppercase; margin-bottom: 4px; }
.spec-val { font-size: 1.05rem; font-weight: 800; color: var(--sky-dark); }
.feature-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.feature-list li { font-size: 0.875rem; color: var(--text2); display: flex; align-items: center; gap: 8px; }
.feature-list li::before { content: '✓'; color: var(--sky-dark); font-weight: 700; flex-shrink: 0; }
.product-showcase-actions { display: flex; gap: 12px; }
.product-divider { border: none; height: 1px; background: var(--border); margin: 0 0 80px; }
.more-robots-banner {
  margin-top: 40px; padding: 20px 28px;
  background: var(--bg); border: 2px dashed var(--border2);
  border-radius: var(--radius); text-align: center;
}
.more-robots-inner { color: var(--text3); font-size: 0.9rem; }

/* ==================== RAAS ==================== */
.raas-section { padding: 100px 0; background: var(--white); }

/* Demo Banner */
.demo-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  border: 2px solid #fcd34d; border-radius: 20px;
  padding: 28px 36px; margin-bottom: 56px; flex-wrap: wrap;
}
.demo-banner-content { display: flex; align-items: center; gap: 20px; }
.demo-icon { font-size: 2.5rem; flex-shrink: 0; }
.demo-banner-content h3 { font-size: 1.15rem; font-weight: 800; color: #92400e; margin-bottom: 4px; }
.demo-banner-content p { font-size: 0.875rem; color: #78350f; }

/* Scenario Tabs */
.scenario-tabs {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px;
  border-bottom: 2px solid var(--border); padding-bottom: 0;
}
.scenario-tab {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  border: none; background: none; cursor: pointer;
  font-size: 0.875rem; font-weight: 600; color: var(--text2);
  border-bottom: 3px solid transparent; margin-bottom: -2px;
  transition: all 0.2s; border-radius: 8px 8px 0 0;
}
.scenario-tab:hover { color: var(--sky-dark); background: var(--sky-light); }
.scenario-tab.active { color: var(--sky-dark); border-bottom-color: var(--sky); background: var(--sky-light); }
.tab-icon { font-size: 1.1rem; }

/* Scenario Panels */
.scenario-panel { display: none; }
.scenario-panel.active { display: block; }
.scenario-header {
  display: flex; align-items: center; gap: 40px;
  margin-bottom: 40px; padding: 32px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 20px;
  flex-wrap: wrap;
}
.scenario-desc-wrap { flex: 1; min-width: 260px; }
.scenario-desc-wrap h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 10px; color: var(--text); }
.scenario-desc-wrap p { font-size: 0.925rem; color: var(--text2); line-height: 1.7; }
.scenario-img {
  width: 240px; height: 160px; object-fit: cover;
  border-radius: 14px; box-shadow: var(--shadow); flex-shrink: 0;
}
@media (max-width: 700px) { .scenario-img { width: 100%; height: 180px; } }

/* Package Cards */
.packages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.package-card {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-sm); transition: all 0.3s; position: relative;
}
.package-card:hover { border-color: var(--sky); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.package-card.featured-pkg { border-color: var(--sky); background: linear-gradient(160deg, #f0f9ff, #fff); }
.package-badge {
  display: inline-block; padding: 3px 12px;
  background: var(--bg2); color: var(--text2);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; border-radius: 100px; margin-bottom: 12px;
}
.package-badge.featured-badge {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
}
.package-card h4 { font-size: 1.2rem; font-weight: 800; margin-bottom: 8px; color: var(--text); }
.package-price { font-size: 1.6rem; font-weight: 800; color: var(--sky-dark); letter-spacing: -0.02em; margin-bottom: 16px; }
.package-price em { font-size: 0.875rem; font-weight: 400; color: var(--text2); font-style: normal; }
.package-card ul { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.package-card ul li { font-size: 0.85rem; color: var(--text2); }
.pkg-order-row {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding-top: 16px; border-top: 1px solid var(--border);
}

/* Quantity Selector */
.qty-selector {
  display: flex; align-items: center;
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
  background: var(--bg); flex-shrink: 0;
}
.qty-btn {
  width: 36px; height: 40px; border: none; background: none;
  font-size: 1.2rem; font-weight: 600; color: var(--text2); cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: all 0.15s; user-select: none;
}
.qty-btn:hover { background: var(--sky-light); color: var(--sky-dark); }
.qty-btn:active { background: #bae6fd; }
.qty-input {
  width: 44px; height: 40px; border: none;
  border-left: 1px solid var(--border); border-right: 1px solid var(--border);
  text-align: center; font-size: 0.95rem; font-weight: 700;
  color: var(--text); background: var(--white); outline: none;
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button, .qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.pkg-order-row .btn-primary { flex: 1; min-width: 100px; }
.hidden { display: none !important; }

/* ==================== VIDEOS ==================== */
.video-section { padding: 80px 0; background: var(--bg); }
.video-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.video-card-main { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); max-width: 900px; margin: 0 auto; width: 100%; }
.video-card-info { padding: 20px 24px; }
.video-card-info h4 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.video-card-info p { font-size: 0.88rem; color: var(--text2); line-height: 1.6; }
.video-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.video-card iframe { width: 100%; height: 220px; border: none; display: block; }
.video-placeholder {
  background: var(--white); border: 2px dashed var(--border2);
  border-radius: var(--radius); aspect-ratio: 16/9; min-height: 220px;
  display: flex; align-items: center; justify-content: center; grid-column: 1/-1;
}
.video-placeholder-inner { text-align: center; color: var(--text3); }
.play-icon { font-size: 2.5rem; margin-bottom: 12px; }
.video-placeholder-inner p { font-size: 1rem; font-weight: 600; }
.video-placeholder-inner span { font-size: 0.85rem; }

/* ==================== CONTACT ==================== */
.contact { padding: 100px 0; background: var(--white); }
.contact-wrap { display: grid; grid-template-columns: 1fr 340px; gap: 60px; }
@media (max-width: 860px) { .contact-wrap { grid-template-columns: 1fr; } }
.contact-form {
  display: flex; flex-direction: column; gap: 20px;
  background: var(--white); padding: 40px; border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text2); letter-spacing: 0.04em; }
.form-group input, .form-group select, .form-group textarea {
  background: var(--bg); border: 1px solid var(--border2);
  border-radius: var(--radius-sm); padding: 12px 14px;
  color: var(--text); font-size: 0.9rem; font-family: var(--font);
  outline: none; transition: border-color 0.2s; width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--sky); box-shadow: 0 0 0 3px rgba(14,165,233,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; padding-top: 8px; }
.info-block { display: flex; gap: 16px; align-items: flex-start; }
.info-icon { font-size: 1.2rem; width: 44px; height: 44px; background: var(--sky-light); border: 1px solid #bae6fd; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.info-block strong { display: block; font-size: 0.875rem; font-weight: 700; margin-bottom: 4px; color: var(--text); }
.info-block p { font-size: 0.85rem; color: var(--text2); }

/* ==================== SUPPORT ==================== */
.support-section { padding: 100px 0; background: var(--bg); }
.support-tabs {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px;
  border-bottom: 2px solid var(--border); padding-bottom: 0;
}
.support-tab {
  padding: 10px 24px; border: none; background: none; cursor: pointer;
  font-size: 0.875rem; font-weight: 600; color: var(--text2);
  border-bottom: 3px solid transparent; margin-bottom: -2px;
  transition: all 0.2s; border-radius: 8px 8px 0 0;
}
.support-tab:hover { color: var(--sky-dark); background: var(--sky-light); }
.support-tab.active { color: var(--sky-dark); border-bottom-color: var(--sky); background: var(--sky-light); }
.support-content { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow-sm); }
.support-doc { display: none; }
.support-doc.active { display: block; }
.doc-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--border); flex-wrap: wrap; gap: 12px; }
.doc-header h3 { font-size: 1.4rem; font-weight: 800; color: var(--text); }
.doc-date { font-size: 0.8rem; color: var(--text3); }
.doc-body h4 { font-size: 0.95rem; font-weight: 700; color: var(--text); margin: 24px 0 8px; }
.doc-body h4:first-child { margin-top: 0; }
.doc-body p { font-size: 0.9rem; color: var(--text2); line-height: 1.75; margin-bottom: 8px; }

/* ==================== FOOTER ==================== */
.footer { padding: 64px 0 32px; border-top: 1px solid var(--border); background: var(--bg); }
.footer-top { display: grid; grid-template-columns: 1fr auto; gap: 60px; margin-bottom: 48px; }
@media (max-width: 700px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand .logo { margin-bottom: 12px; display: inline-flex; align-items: center; gap: 10px; }
.footer-brand .logo-img { height: 36px; background: transparent; }
.footer-brand .logo-fallback { font-size: 1rem; font-weight: 800; color: var(--sky-dark); }
.footer-brand p { font-size: 0.875rem; color: var(--text3); max-width: 280px; margin-top: 8px; }
.footer-links { display: flex; gap: 40px; flex-wrap: wrap; }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.875rem; color: var(--text3); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--sky-dark); }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-top: 32px; border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: 0.8rem; color: var(--text3); }

/* ==================== CART ==================== */
.cart-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 1100; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.cart-overlay.open { opacity: 1; pointer-events: all; }
.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 400px; max-width: 95vw; background: var(--white);
  border-left: 1px solid var(--border); box-shadow: -10px 0 40px rgba(0,0,0,0.1);
  z-index: 1101; display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform 0.35s cubic-bezier(.4,0,.2,1);
}
.cart-drawer.open { transform: none; }
.cart-header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; background: var(--bg); }
.cart-header h2 { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.cart-close { background: none; border: none; color: var(--text3); font-size: 1.1rem; cursor: pointer; padding: 4px; transition: color 0.2s; }
.cart-close:hover { color: var(--text); }
.cart-items { flex: 1; overflow-y: auto; padding: 20px 24px; }
.cart-empty { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 60px 0; color: var(--text3); font-size: 0.9rem; }
.cart-item { display: flex; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--border); }
.cart-item-name { font-size: 0.875rem; font-weight: 600; margin-bottom: 4px; color: var(--text); }
.cart-item-type { font-size: 0.75rem; color: var(--text3); }
.cart-item-price { font-size: 0.875rem; font-weight: 700; color: var(--sky-dark); white-space: nowrap; }
.cart-item-remove { background: none; border: none; color: var(--text3); cursor: pointer; font-size: 1rem; margin-left: 4px; padding: 4px; transition: color 0.2s; }
.cart-item-remove:hover { color: var(--red); }
.cart-item-qty { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin: 0 8px; flex-shrink: 0; }
.cart-qty-btn { width: 28px; height: 28px; border: none; background: none; font-size: 1rem; font-weight: 700; color: var(--text2); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.15s; user-select: none; }
.cart-qty-btn:hover { background: var(--sky-light); color: var(--sky-dark); }
.cart-qty-num { width: 28px; text-align: center; font-size: 0.8rem; font-weight: 700; color: var(--text); }
.cart-footer { padding: 20px 24px; border-top: 1px solid var(--border); background: var(--bg); }
.cart-summary { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.summary-row { display: flex; justify-content: space-between; font-size: 0.875rem; color: var(--text2); }
.summary-row.total { color: var(--text); font-weight: 700; font-size: 1rem; padding-top: 10px; border-top: 1px solid var(--border); }

/* ==================== MODALS ==================== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1200;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white); border: 1px solid var(--border); border-radius: 20px; padding: 36px;
  width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; position: relative;
  box-shadow: var(--shadow-lg); transform: translateY(20px); transition: transform 0.3s;
}
.modal-overlay.open .modal { transform: none; }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: var(--bg2); border: none; color: var(--text2);
  width: 32px; height: 32px; border-radius: 50%; cursor: pointer; font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center; transition: all 0.2s;
}
.modal-close:hover { background: var(--bg3); color: var(--text); }
.modal h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 8px; color: var(--text); }
.modal h3 { font-size: 0.9rem; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: 0.08em; margin: 24px 0 16px; }
.modal form { display: flex; flex-direction: column; gap: 16px; }
.modal .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-order-summary { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px; margin-bottom: 4px; }
.modal-order-summary .summary-row { display: flex; justify-content: space-between; font-size: 0.85rem; padding: 4px 0; color: var(--text2); }
.modal-order-summary .summary-row.total { font-weight: 700; border-top: 1px solid var(--border); margin-top: 8px; padding-top: 12px; color: var(--text); }
.payment-notice { background: var(--sky-light); border: 1px solid #bae6fd; border-radius: var(--radius-sm); padding: 12px 16px; }
.payment-icons { display: flex; gap: 8px; font-size: 0.8rem; font-weight: 600; margin-bottom: 6px; color: var(--text2); }
.payment-notice p { font-size: 0.78rem; color: var(--text2); }
.success-overlay { z-index: 1300; }
.success-modal { text-align: center; max-width: 400px; }
.success-icon { font-size: 3rem; margin-bottom: 16px; }
.success-modal h2 { margin-bottom: 12px; color: var(--text); }
.success-modal p { color: var(--text2); font-size: 0.9rem; margin-bottom: 20px; }
.success-ref { font-size: 0.8rem; color: var(--text2); background: var(--bg); border-radius: 8px; padding: 10px 16px; margin-bottom: 24px; border: 1px solid var(--border); }

/* AUTH MODAL */
.auth-modal { max-width: 480px; }
.auth-tabs { display: flex; gap: 4px; background: var(--bg2); border-radius: var(--radius-sm); padding: 4px; margin-bottom: 28px; }
.auth-tab { flex: 1; padding: 8px; border: none; background: none; cursor: pointer; font-size: 0.875rem; font-weight: 600; color: var(--text2); border-radius: 8px; transition: all 0.2s; }
.auth-tab.active { background: var(--white); color: var(--sky-dark); box-shadow: var(--shadow-sm); }
.auth-sub { font-size: 0.875rem; color: var(--text2); margin-bottom: 24px; margin-top: -4px; }
.auth-error { background: #fef2f2; border: 1px solid #fecaca; border-radius: 8px; padding: 10px 14px; font-size: 0.85rem; color: var(--red); }
.auth-switch { font-size: 0.85rem; color: var(--text2); text-align: center; margin-top: 16px; }
.auth-switch a { color: var(--sky-dark); font-weight: 600; }
.checkbox-group { flex-direction: row; align-items: flex-start; }
.checkbox-label { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; font-size: 0.85rem; color: var(--text2); }
.checkbox-label input { margin-top: 2px; flex-shrink: 0; accent-color: var(--sky); }
.checkbox-label a { color: var(--sky-dark); }

/* DEMO MODAL */
.demo-modal-header { text-align: center; margin-bottom: 28px; }
.demo-modal-icon { font-size: 2.5rem; margin-bottom: 12px; }
.demo-modal-header h2 { margin-bottom: 8px; }
.demo-modal-header p { font-size: 0.875rem; color: var(--text2); }

/* ==================== MOBILE NAV ==================== */
@media (max-width: 1000px) {
  .nav-links { display: none; flex-direction: column; position: fixed; top: var(--nav-h); left: 0; right: 0; background: #0284c7; padding: 16px; border-bottom: 1px solid rgba(255,255,255,0.15); gap: 4px; z-index: 999; }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 10px 16px; font-size: 0.95rem; border-radius: 8px; color: rgba(255,255,255,0.9); }
  .nav-links li a:hover { background: rgba(255,255,255,0.15); color: #fff; }
  .dropdown-menu { position: static; opacity: 1; pointer-events: all; transform: none; box-shadow: none; background: rgba(0,0,0,0.15); border: none; padding: 4px 0 4px 16px; }
  .dropdown-menu a { color: rgba(255,255,255,0.8); }
  .hamburger { display: flex; }
  .btn-login { display: none; }
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* Application Scenarios */
.app-scenarios {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid #e5e7eb;
}
.app-scenarios-title {
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 8px;
}
.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.scenario-tag {
  background: #f0f9ff;
  color: #0369a1;
  padding: 5px 14px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 500;
}
.pkg-optional {
  font-size: 12px;
  color: #0369a1;
  background: #f0f9ff;
  border-radius: 8px;
  padding: 6px 10px;
  margin-bottom: 8px;
  font-weight: 500;
}
.cart-btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  padding: 6px 10px;
  border-radius: 8px;
  transition: background 0.2s;
}
.cart-btn:hover { background: rgba(255,255,255,0.15); }
.cart-count-badge {
  position: absolute;
  top: 0;
  right: 2px;
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  opacity: 0;
  transition: opacity 0.2s;
}
.cart-count-badge.visible { opacity: 1; }