/*
 * ═══════════════════════════════════════════
 * DEK Energy — Design System v2
 * Blue-energy hybrid theme with white panels
 * ═══════════════════════════════════════════
 */

/* ── Custom Properties ── */
:root {
  /* Navy/Blue scale */
  --navy-deep: #06122b;
  --navy: #0b1e46;
  --navy-light: #112d5e;
  --blue-dark: #1e3a8a;
  --blue: #2563eb;
  --blue-bright: #3b82f6;
  --blue-soft: #60a5fa;
  --blue-glow: rgba(37,99,235,0.3);

  /* Energy accents */
  --cyan: #06b6d4;
  --cyan-glow: rgba(6,182,212,0.25);
  --green-energy: #10b981;
  --green-glow: rgba(16,185,129,0.2);

  /* Light backgrounds */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;

  /* Text */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-on-dark: #f1f5f9;
  --text-on-dark-muted: #94a3b8;

  /* Borders */
  --border-light: #e2e8f0;
  --border-card: #e8ecf1;
  --border-blue-subtle: rgba(37,99,235,0.12);

  /* Misc */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --shadow-blue: 0 8px 32px rgba(37,99,235,0.15);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

::selection { background: var(--blue); color: #fff; }

/* ── Energy wave background (used on dark sections) ── */
.bg-navy {
  background: var(--navy-deep);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(37,99,235,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(6,182,212,0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 100%);
}

/* ═══ HEADER ═══ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.88); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.96);
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 68px;
}

/* Logo */
.header-logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: #fff;
  box-shadow: 0 2px 12px rgba(37,99,235,0.3);
}
.logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px; font-weight: 700; color: var(--text-primary);
  letter-spacing: -0.02em;
}
.logo-accent { color: var(--blue); }

/* Nav */
.header-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 16px; border-radius: 8px;
  font-size: 15px; font-weight: 500; color: var(--text-secondary);
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-link::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%) scaleX(0);
  width: calc(100% - 24px); height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-link:hover {
  color: var(--blue); background: rgba(37,99,235,0.04);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37,99,235,0.08);
}
.nav-link:hover::after { transform: translateX(-50%) scaleX(1); }
.nav-link.active {
  color: var(--blue); background: rgba(37,99,235,0.08); font-weight: 600;
}
.nav-link.active::after { transform: translateX(-50%) scaleX(1); }
.nav-link.nav-external i { font-size: 11px; margin-left: 4px; opacity: 0.6; }

/* Header CTAs */
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-phone {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 50px;
  background: var(--blue); color: #fff;
  font-size: 14px; font-weight: 600;
  transition: all var(--transition);
  box-shadow: 0 2px 12px rgba(37,99,235,0.2);
}
.header-phone:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: var(--shadow-blue); }
.header-phone i { font-size: 14px; }

/* ── Language Switcher ── */
.lang-switcher { position: relative; }
.lang-switcher-btn {
  display: flex; align-items: center; gap: 6px;
  background: var(--blue); border: 1.5px solid var(--blue);
  color: #fff; border-radius: var(--radius-sm); padding: 7px 10px;
  cursor: pointer; font-size: 12px; font-weight: 600;
  font-family: 'Inter', sans-serif;
  transition: background 0.2s, box-shadow 0.2s;
}
.lang-switcher-btn:hover { background: #1d4ed8; box-shadow: 0 2px 10px rgba(37,99,235,0.4); }
.lang-flag { font-size: 17px; line-height: 1; }
.lang-label { letter-spacing: 0.04em; }
.lang-chevron { font-size: 9px; opacity: 0.7; transition: transform 0.2s; }
.lang-switcher-btn[aria-expanded="true"] .lang-chevron { transform: rotate(180deg); }

.lang-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0; z-index: 9999;
  background: var(--white); border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0,0,0,0.18);
  min-width: 200px; padding: 6px 0;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
}
.lang-dropdown.open { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-option {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px; color: var(--text-primary); text-decoration: none;
  font-size: 14px; transition: background 0.15s;
}
.lang-option:hover { background: var(--gray-50); }
.lang-option.active { background: rgba(37,99,235,0.06); color: var(--blue); font-weight: 600; }
.lang-option .lang-flag { font-size: 18px; }
.lang-check { margin-left: auto; font-size: 11px; color: var(--blue); }

/* Hamburger */
.header-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
  width: 36px; height: 36px; justify-content: center; align-items: center;
}
.header-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: all var(--transition);
}
.header-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.header-hamburger.active span:nth-child(2) { opacity: 0; }
.header-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ═══ MOBILE MENU ═══ */
.mobile-menu {
  position: fixed; top: 0; right: 0; bottom: 0; width: 320px; z-index: 1100;
  background: var(--white); border-left: 1px solid var(--border-light);
  transform: translateX(100%); transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  display: flex; flex-direction: column; padding: 24px;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu-top {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px;
}
.mobile-menu-close {
  background: none; border: none; color: var(--text-primary); font-size: 28px;
  cursor: pointer; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
}
.mobile-menu-close:hover { background: var(--gray-100); }
.mobile-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.mobile-nav-link {
  padding: 14px 16px; border-radius: 10px; font-size: 16px; font-weight: 500;
  color: var(--text-secondary); transition: all var(--transition);
}
.mobile-nav-link:hover { background: var(--gray-50); color: var(--blue); }
.mobile-call-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px; border-radius: 12px; background: var(--blue); color: #fff;
  font-size: 15px; font-weight: 600; margin-top: 16px;
}
.mobile-menu-backdrop {
  position: fixed; inset: 0; z-index: 1090; background: rgba(6,18,43,0.5);
  opacity: 0; pointer-events: none; transition: opacity var(--transition);
}
.mobile-menu-backdrop.open { opacity: 1; pointer-events: auto; }

/* ═══ HERO ═══ */
.hero {
  position: relative; padding: 150px 24px 100px;
  background: var(--navy-deep);
  background-image:
    radial-gradient(ellipse 80% 60% at 30% 20%, rgba(37,99,235,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 70%, rgba(6,182,212,0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(16,185,129,0.05) 0%, transparent 40%);
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 120px;
  background: linear-gradient(180deg, transparent, var(--white));
  pointer-events: none; z-index: 1;
}
/* Energy grid pattern overlay */
.hero::after {
  content: ''; position: absolute; inset: 0; opacity: 0.03;
  background-image:
    linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-inner {
  max-width: 1280px; margin: 0 auto; position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 50px;
  background: rgba(37,99,235,0.15); border: 1px solid rgba(37,99,235,0.25);
  font-size: 13px; font-weight: 600; color: var(--blue-soft);
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--blue-bright);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--blue-glow); }
  50% { box-shadow: 0 0 0 10px transparent; }
}
.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px, 5vw, 56px); font-weight: 700; line-height: 1.1;
  color: var(--text-on-dark); margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero-title span {
  background: linear-gradient(135deg, var(--blue-bright), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-text {
  font-size: 18px; color: var(--text-on-dark-muted); line-height: 1.7;
  margin-bottom: 32px; max-width: 520px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual {
  position: relative; display: flex; align-items: center; justify-content: center;
}
.hero-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl); padding: 32px;
  backdrop-filter: blur(10px); overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.hero-card-img {
  width: 100%; border-radius: var(--radius);
  object-fit: contain; margin-bottom: 20px; cursor: zoom-in;
}
.hero-img-faded { opacity: 1; filter: brightness(1) saturate(1); }

/* Section banner (product category images) */
.section-banner {
  border-radius: var(--radius-xl); overflow: hidden;
  margin-bottom: 40px; box-shadow: var(--shadow-md);
  max-height: 160px; display: flex; align-items: center;
  justify-content: center; background: var(--surface);
}
.section-banner img {
  width: 100%; max-height: 160px; object-fit: contain; display: block; cursor: pointer;
}

/* Hover Zoom Overlay — enlarges image centered on screen */
.hover-zoom {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.25s ease;
}
.hover-zoom.active { opacity: 1; }
.hover-zoom img {
  max-width: 85vw; max-height: 85vh; object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0,0,0,0.55);
  transform: scale(0.85); transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.hover-zoom.active img { transform: scale(1); }

/* Lightbox (click-to-zoom) */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(6,18,43,0.92); backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center;
  cursor: zoom-out; opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.lightbox-overlay.active { opacity: 1; pointer-events: auto; }
.lightbox-overlay img {
  max-width: 90vw; max-height: 85vh; object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: scale(0.9); transition: transform 0.3s ease;
}
.lightbox-overlay.active img { transform: scale(1); }
.lightbox-close {
  position: absolute; top: 20px; right: 28px;
  font-size: 32px; color: rgba(255,255,255,0.7);
  cursor: pointer; transition: color 0.2s; background: none; border: none;
  line-height: 1;
}
.lightbox-close:hover { color: #fff; }

/* Logo image */
.logo-img { height: 36px; width: auto; display: block; }

.hero-card-img-fb {
  width: 100%; height: 260px; border-radius: var(--radius); margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(6,182,212,0.06));
  position: relative; overflow: hidden;
}
.hero-card-img-fb::after {
  content: ''; position: absolute; bottom: 10%; left: 50%; transform: translateX(-50%);
  width: 50px; height: 50px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.5) 0%, transparent 70%);
  box-shadow: 0 0 40px 10px rgba(37,99,235,0.2);
}
.hero-stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.hero-stat { text-align: center; }
.hero-stat-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px; font-weight: 700;
  background: linear-gradient(135deg, var(--blue-bright), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-lbl {
  font-size: 11px; color: var(--text-on-dark-muted); margin-top: 4px;
  text-transform: uppercase; letter-spacing: 0.04em;
}

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 50px;
  font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: all var(--transition); border: none;
  text-align: center; justify-content: center;
}
.btn-primary {
  background: var(--blue); color: #fff;
  box-shadow: 0 4px 20px rgba(37,99,235,0.3);
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(37,99,235,0.35); }
.btn-outline-light {
  background: transparent; color: var(--text-on-dark);
  border: 1.5px solid rgba(255,255,255,0.2);
}
.btn-outline-light:hover { border-color: var(--blue-bright); color: var(--blue-bright); background: rgba(37,99,235,0.1); }
.btn-outline {
  background: transparent; color: var(--blue);
  border: 1.5px solid var(--border-blue-subtle);
}
.btn-outline:hover { border-color: var(--blue); background: rgba(37,99,235,0.04); }
.btn-white {
  background: var(--white); color: var(--blue);
  box-shadow: var(--shadow-sm);
}
.btn-white:hover { box-shadow: var(--shadow-blue); transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-sm { padding: 10px 20px; font-size: 13px; }

/* ═══ SECTIONS ═══ */
.section { padding: 96px 24px; }
.section-white { background: var(--white); }
.section-light { background: var(--gray-50); }
.section-navy { background: var(--navy-deep); color: var(--text-on-dark); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 64px; }
.section-tag {
  display: inline-block; padding: 6px 14px; border-radius: 50px;
  background: rgba(37,99,235,0.08); color: var(--blue);
  font-size: 12px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 16px;
  border: 1px solid var(--border-blue-subtle);
}
.section-tag-light {
  background: rgba(255,255,255,0.1); color: var(--blue-soft);
  border: 1px solid rgba(255,255,255,0.15);
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 40px); font-weight: 700;
  color: inherit; margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.section-title-light { color: var(--text-on-dark); }
.section-sub {
  font-size: 17px; color: var(--text-secondary); line-height: 1.6;
}
.section-sub-light { color: var(--text-on-dark-muted); }
.container { max-width: 1280px; margin: 0 auto; }

/* ═══ TRUST BAR ═══ */
.trust-bar {
  background: var(--white); position: relative; z-index: 2;
  border-bottom: 1px solid var(--border-light);
  padding: 0 24px;
}
.trust-bar-grid {
  display: flex; align-items: center; justify-content: center;
  max-width: 1000px; margin: 0 auto;
}
.trust-stat {
  flex: 1; text-align: center; padding: 40px 20px;
}
.trust-stat-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 42px; font-weight: 700;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1; margin-bottom: 8px;
}
.trust-stat-val span { font-size: 24px; }
.trust-stat-lbl {
  font-size: 13px; color: var(--text-muted); font-weight: 500;
  max-width: 220px; margin: 0 auto; line-height: 1.4;
}
.trust-divider {
  width: 1px; height: 60px; background: var(--border-light); flex-shrink: 0;
}

/* ═══ CARDS GRID ═══ */
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px;
}

/* ═══ FEATURE CARD ═══ */
.feature-card {
  background: var(--white); border: 1px solid var(--border-card);
  border-radius: var(--radius-lg); padding: 36px;
  transition: all var(--transition); position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.feature-card:hover {
  border-color: var(--border-blue-subtle); background: var(--white);
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 24px; right: 24px; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 0 0 3px 3px; opacity: 0; transition: opacity var(--transition);
}
.feature-card:hover::before { opacity: 1; }
.feature-card-icon {
  width: 56px; height: 56px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(6,182,212,0.06));
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
}
.feature-card-img {
  height: 140px; border-radius: var(--radius); overflow: hidden; margin-bottom: 20px;
}
.feature-card-img img {
  width: 100%; height: 100%; object-fit: contain; cursor: pointer;
}
.feature-card-title {
  font-size: 19px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px;
}
.feature-card-text {
  font-size: 15px; color: var(--text-secondary); line-height: 1.7;
}

/* ═══ ABOUT SECTION ═══ */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.about-img {
  border-radius: var(--radius-xl); overflow: hidden; position: relative;
  box-shadow: var(--shadow-lg);
}
.about-img img { width: 100%; object-fit: contain; cursor: pointer; }
.about-img-fb {
  width: 100%; height: 420px;
  background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(6,182,212,0.03));
  position: relative; overflow: hidden;
}
.about-img-fb::after {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 80px; height: 80px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.25) 0%, transparent 70%);
  box-shadow: 0 0 60px 20px rgba(37,99,235,0.15);
}
.about-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 32px; }
.about-stat {
  background: var(--white); border: 1px solid var(--border-card);
  border-radius: var(--radius); padding: 20px; text-align: center;
  box-shadow: var(--shadow-sm);
}
.about-stat-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px; font-weight: 700;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-stat-lbl {
  font-size: 13px; color: var(--text-muted); margin-top: 4px;
}

/* ═══ PRODUCT CARD (WHITE PANELS) ═══ */
.product-card {
  background: var(--white); border: 1px solid var(--border-card);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition); box-shadow: var(--shadow-sm);
}
.product-card:hover {
  border-color: var(--border-blue-subtle);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.1), 0 0 0 1px var(--border-blue-subtle);
}
.product-card-img-wrap {
  height: 220px; overflow: hidden; position: relative;
}
.product-card-img-wrap img {
  width: 100%; height: 100%; object-fit: contain; cursor: pointer;
}
.product-card-body { padding: 24px; }
.product-card-tag {
  display: inline-block; padding: 4px 10px; border-radius: 50px;
  background: rgba(37,99,235,0.06); color: var(--blue);
  font-size: 11px; font-weight: 600; margin-bottom: 12px;
}
.product-card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px;
}
.product-card-desc {
  font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px;
}
.product-card-specs {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px;
}
.product-spec {
  padding: 5px 10px; border-radius: 6px;
  background: var(--gray-50); font-size: 12px; color: var(--text-secondary);
  border: 1px solid var(--border-light); font-weight: 500;
}
.product-spec strong { color: var(--text-primary); }

/* ═══ ANIMATED SYSTEM SCENES ═══ */
.system-block-img {
  border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-lg); min-height: 360px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.system-block-img img { width: 100%; object-fit: contain; cursor: pointer; }

/* ═══ 1. SOLAR PV — Animated Sun + Panels ═══ */
.anim-solar {
  background: linear-gradient(160deg, #06122b 0%, #0a2245 30%, #0f2b5c 55%, #1a3a6e 80%, #1e3a8a 100%);
  position: relative; overflow: hidden;
}
/* Sun */
.anim-solar::before {
  content: ''; position: absolute; top: 18%; right: 18%;
  width: 80px; height: 80px; border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #fbbf24 0%, #f59e0b 40%, rgba(245,158,11,0.2) 70%, transparent 100%);
  box-shadow: 0 0 60px 20px rgba(251,191,36,0.4), 0 0 120px 40px rgba(245,158,11,0.15), 0 0 200px 60px rgba(245,158,11,0.06);
  animation: sunPulse 3s ease-in-out infinite;
  z-index: 2;
}
/* Solar panels grid + light rays */
.anim-solar::after {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background:
    /* rotating rays from sun position */
    conic-gradient(from 200deg at 78% 25%, transparent 0deg, rgba(251,191,36,0.06) 15deg, transparent 30deg, rgba(251,191,36,0.04) 45deg, transparent 60deg, rgba(251,191,36,0.06) 75deg, transparent 90deg, rgba(251,191,36,0.04) 105deg, transparent 360deg),
    /* solar panel grid */
    linear-gradient(135deg, transparent calc(33.3% - 0.5px), rgba(59,130,246,0.2) 33.3%, transparent 33.5%) 0 0 / 36px 36px,
    linear-gradient(135deg, transparent calc(66.6% - 0.5px), rgba(96,165,250,0.15) 66.6%, transparent 66.8%) 0 0 / 36px 36px;
  animation: rayRotate 20s linear infinite;
}
@keyframes sunPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 60px 20px rgba(251,191,36,0.4), 0 0 120px 40px rgba(245,158,11,0.15); }
  50% { transform: scale(1.08); box-shadow: 0 0 80px 30px rgba(251,191,36,0.55), 0 0 150px 50px rgba(245,158,11,0.22); }
}
@keyframes rayRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ═══ 2. BATTERY BESS — Animated Charge Cells ═══ */
.anim-battery {
  background: linear-gradient(160deg, #061226 0%, #0a2840 35%, #0d3d5c 55%, #0d645a 80%, #0d9488 100%);
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
/* 3 battery cells */
.anim-battery::before {
  content: ''; position: absolute; z-index: 2;
  width: 180px; height: 210px;
  background:
    /* cell 3 bottom */
    linear-gradient(180deg, rgba(20,184,166,0.5) 0%, rgba(20,184,166,0.7) 50%, rgba(13,148,136,0.9) 100%) 10px 146px / 160px 54px no-repeat,
    /* cell 3 outline */
    linear-gradient(transparent 0, transparent 0) 8px 144px / 164px 58px no-repeat,
    /* cell 2 middle */
    linear-gradient(180deg, rgba(20,184,166,0.45) 0%, rgba(20,184,166,0.65) 50%, rgba(13,148,136,0.85) 100%) 10px 78px / 160px 54px no-repeat,
    /* cell 2 outline */
    linear-gradient(transparent 0, transparent 0) 8px 76px / 164px 58px no-repeat,
    /* cell 1 top */
    linear-gradient(180deg, rgba(20,184,166,0.4) 0%, rgba(20,184,166,0.6) 50%, rgba(13,148,136,0.8) 100%) 10px 10px / 160px 54px no-repeat,
    /* cell 1 outline */
    linear-gradient(transparent 0, transparent 0) 8px 8px / 164px 58px no-repeat;
  border-radius: 12px;
  animation: batteryFill 4s ease-in-out infinite;
  border: 2px solid rgba(20,184,166,0.3);
  box-shadow: inset 0 0 30px rgba(20,184,166,0.1), 0 0 40px rgba(20,184,166,0.15);
}
.anim-battery::after {
  content: ''; position: absolute; z-index: 3;
  width: 6px; height: 6px; border-radius: 50%;
  background: #5eead4;
  box-shadow:
    0 0 10px 4px rgba(94,234,212,0.6),
    0 0 30px 10px rgba(20,184,166,0.3),
    /* dots on the cells */
    30px -70px 0 0 #5eead4, -30px -70px 0 0 #5eead4,
    50px 0 0 0 #34d399, -50px 0 0 0 #34d399,
    20px 70px 0 0 #5eead4, -20px 70px 0 0 #5eead4;
  animation: batDots 3s ease-in-out infinite;
}
@keyframes batteryFill {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; box-shadow: inset 0 0 40px rgba(20,184,166,0.2), 0 0 60px rgba(20,184,166,0.25); }
}
@keyframes batDots {
  0%, 100% { opacity: 0.5; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.1); }
}

/* ═══ 3. DC CHARGER — Animated DEK Charging Station ═══ */
.anim-charger {
  background:
    /* floor reflection */
    radial-gradient(ellipse 60% 15% at 50% 92%, rgba(37,99,235,0.15) 0%, transparent 70%),
    /* ambient */
    linear-gradient(160deg, #020617 0%, #06122b 30%, #0f1f4a 55%, #1e3a8a 80%, #2563eb 100%);
  position: relative; overflow: hidden;
}
/* Station body + display + connector */
.anim-charger::before {
  content: ''; position: absolute; z-index: 2;
  bottom: 14%; left: 50%; transform: translateX(-50%);
  width: 140px; height: 200px;
  background:
    /* DEK Live text on display */
    radial-gradient(circle at 50% 32%, rgba(6,182,212,0.3) 0%, transparent 30%),
    /* display screen */
    linear-gradient(180deg, rgba(6,182,212,0.25) 0%, rgba(37,99,235,0.2) 100%) 50% 22px / 100px 36px no-repeat,
    /* display border */
    linear-gradient(rgba(255,255,255,0.2), rgba(255,255,255,0.2)) 50% 21px / 102px 38px no-repeat,
    /* cable from bottom */
    linear-gradient(90deg, transparent calc(50% - 2px), rgba(37,99,235,0.5) calc(50% - 2px), rgba(37,99,235,0.5) calc(50% + 2px), transparent calc(50% + 2px)) 50% 100% / 100% 55% no-repeat,
    /* station body */
    linear-gradient(180deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.04) 40%, rgba(37,99,235,0.1) 70%, rgba(6,182,212,0.15) 100%) 50% 58px / 120px 142px no-repeat;
  border-radius: 14px 14px 0 0;
  border: 2px solid rgba(255,255,255,0.12);
  border-bottom: none;
  box-shadow:
    0 -2px 20px rgba(37,99,235,0.25),
    inset 0 1px 0 rgba(255,255,255,0.05);
  animation: stationGlow 3s ease-in-out infinite;
}
/* Energy pulse ring + DEK Live text */
.anim-charger::after {
  content: 'DEK';
  position: absolute; z-index: 3;
  top: 18%; left: 50%; transform: translateX(-50%);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.06em;
  color: rgba(6,182,212,0.9);
  text-shadow: 0 0 12px rgba(6,182,212,0.6), 0 0 24px rgba(37,99,235,0.4);
  white-space: nowrap;
  animation: textPulse 2s ease-in-out infinite;
  /* Energy rings below text */
  box-shadow:
    0 40px 0 -20px rgba(37,99,235,0),
    0 60px 0 -20px rgba(37,99,235,0);
}
@keyframes stationGlow {
  0%, 100% { box-shadow: 0 -2px 20px rgba(37,99,235,0.25), inset 0 1px 0 rgba(255,255,255,0.05); }
  50% { box-shadow: 0 -2px 32px rgba(37,99,235,0.45), 0 4px 24px rgba(6,182,212,0.2), inset 0 1px 0 rgba(255,255,255,0.08); }
}
@keyframes textPulse {
  0%, 100% { opacity: 0.7; text-shadow: 0 0 12px rgba(6,182,212,0.6), 0 0 24px rgba(37,99,235,0.4); }
  50% { opacity: 1; text-shadow: 0 0 20px rgba(6,182,212,0.9), 0 0 40px rgba(37,99,235,0.6), 0 0 60px rgba(6,182,212,0.3); }
}

/* ═══ 4. SOFTWARE — Animated Dashboard ═══ */
.anim-software {
  background: linear-gradient(160deg, #0a0e1a 0%, #0f172a 35%, #162032 60%, #1e293b 100%);
  position: relative; overflow: hidden;
}
/* Dashboard panels + data visualizations */
.anim-software::before {
  content: ''; position: absolute; z-index: 2;
  inset: 25px;
  background:
    /* top bar */
    linear-gradient(90deg, rgba(59,130,246,0.3) 0%, rgba(59,130,246,0.15) 40%, transparent 41%) 0 0 / 100% 2px no-repeat,
    /* chart bars / equalizer */
    linear-gradient(0deg, #3b82f6 0%, #3b82f6 100%) 10px calc(100% - 30px) / 8px 30px no-repeat,
    linear-gradient(0deg, #3b82f6 0%, #3b82f6 100%) 22px calc(100% - 55px) / 8px 55px no-repeat,
    linear-gradient(0deg, #60a5fa 0%, #60a5fa 100%) 34px calc(100% - 40px) / 8px 40px no-repeat,
    linear-gradient(0deg, #3b82f6 0%, #3b82f6 100%) 46px calc(100% - 65px) / 8px 65px no-repeat,
    linear-gradient(0deg, #06b6d4 0%, #06b6d4 100%) 58px calc(100% - 35px) / 8px 35px no-repeat,
    linear-gradient(0deg, #3b82f6 0%, #3b82f6 100%) 70px calc(100% - 50px) / 8px 50px no-repeat,
    /* right panel */
    linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%) calc(100% - 80px) 10px / 80px calc(100% - 10px) no-repeat,
    /* grid lines */
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 30px 30px,
    linear-gradient(0deg, rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 30px 30px;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  animation: dashPulse 4s ease-in-out infinite;
}
/* Data nodes + scanning line */
.anim-software::after {
  content: ''; position: absolute; z-index: 3;
  inset: 25px;
  background:
    /* blinking data nodes */
    radial-gradient(circle, #3b82f6 0, #3b82f6 3px, transparent 4px) 40px 35px / 8px 8px no-repeat,
    radial-gradient(circle, #06b6d4 0, #06b6d4 3px, transparent 4px) 90px 55px / 8px 8px no-repeat,
    radial-gradient(circle, #60a5fa 0, #60a5fa 3px, transparent 4px) 65px 25px / 8px 8px no-repeat,
    radial-gradient(circle, #3b82f6 0, #3b82f6 3px, transparent 4px) 120px 45px / 8px 8px no-repeat,
    radial-gradient(circle, #06b6d4 0, #06b6d4 2px, transparent 3px) calc(100% - 55px) calc(100% - 55px) / 6px 6px no-repeat,
    radial-gradient(circle, #3b82f6 0, #3b82f6 2px, transparent 3px) calc(100% - 35px) calc(100% - 35px) / 6px 6px no-repeat;
  animation: dataBlink 2.5s ease-in-out infinite;
  border-radius: 12px;
}
@keyframes dashPulse {
  0%, 100% { border-color: rgba(255,255,255,0.06); }
  50% { border-color: rgba(59,130,246,0.2); }
}
@keyframes dataBlink {
  0%, 100% { opacity: 0.5; }
  20% { opacity: 1; }
  40% { opacity: 0.4; }
  60% { opacity: 0.9; }
  80% { opacity: 0.3; }
}

/* ═══ PRODUCT SECTION HEADER ═══ */
.product-section-header {
  display: flex; align-items: center; gap: 16px; margin-bottom: 40px;
}
.product-section-icon {
  width: 52px; height: 52px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(37,99,235,0.25);
}
.product-section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 26px; font-weight: 700; color: var(--text-primary);
}

/* ═══ PRODUCT CARD IMAGE PLACEHOLDERS ═══ */
.product-card-img-wrap {
  height: 220px; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden;
}

/* DC Chargers */
.prod-img-30kw {
  height: 220px;
  background: linear-gradient(135deg, #06122b 0%, #1a3a6e 50%, #2563eb 100%);
  position: relative;
}
.prod-img-30kw::after {
  content: ''; position: absolute; inset: 0; opacity: 0.12;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(255,255,255,0.3) 0%, transparent 70%);
}

.prod-img-60kw {
  height: 220px;
  background: linear-gradient(135deg, #0a1628 0%, #1e3a8a 40%, #3b82f6 85%, #60a5fa 100%);
  position: relative;
}
.prod-img-60kw::before {
  content: ''; position: absolute; bottom: 0; left: 25%; right: 25%; height: 4px;
  background: var(--cyan); border-radius: 2px 2px 0 0; opacity: 0.7;
  box-shadow: 0 -2px 16px rgba(6,182,212,0.3);
}

.prod-img-120kw {
  height: 220px;
  background: linear-gradient(135deg, #06122b 0%, #1e40af 30%, #3b82f6 60%, #06b6d4 100%);
  position: relative;
}
.prod-img-120kw::after {
  content: ''; position: absolute; inset: 0; opacity: 0.08;
  background: repeating-linear-gradient(
    90deg, transparent, transparent 38px, rgba(255,255,255,0.5) 38px, rgba(255,255,255,0.5) 40px
  );
}

.prod-img-360kw {
  height: 220px;
  background: linear-gradient(135deg, #020617 0%, #0f2b5c 30%, #1d4ed8 60%, #06b6d4 100%);
  position: relative;
}
.prod-img-360kw::before {
  content: ''; position: absolute; top: 30%; left: 50%; transform: translate(-50%, -50%);
  width: 60px; height: 60px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.4) 0%, transparent 70%);
  box-shadow: 0 0 60px 20px rgba(6,182,212,0.25);
}
.prod-img-360kw::after {
  content: ''; position: absolute; bottom: 20%; left: 30%; right: 30%;
  height: 3px; background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  border-radius: 2px;
}

/* Batteries */
.prod-img-batt50 {
  height: 220px;
  background: linear-gradient(135deg, #0d2137 0%, #134b5f 40%, #0d9488 80%, #14b8a6 100%);
  position: relative;
}
.prod-img-batt50::before {
  content: ''; position: absolute; inset: 0; opacity: 0.1;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 18px, rgba(255,255,255,0.5) 18px, rgba(255,255,255,0.5) 20px
  );
}

.prod-img-batt200 {
  height: 220px;
  background: linear-gradient(135deg, #0a1628 0%, #155e75 40%, #0891b2 80%, #22d3ee 100%);
  position: relative;
}
.prod-img-batt200::before {
  content: ''; position: absolute; inset: 0; opacity: 0.1;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 14px, rgba(255,255,255,0.4) 14px, rgba(255,255,255,0.4) 16px
  );
}

.prod-img-batt500 {
  height: 220px;
  background: linear-gradient(135deg, #020617 0%, #0c4a6e 30%, #0284c7 60%, #06b6d4 100%);
  position: relative;
}
.prod-img-batt500::after {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 80px; height: 80px; border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,233,0.3) 0%, transparent 70%);
  box-shadow: 0 0 80px 20px rgba(6,182,212,0.2);
}

/* Software */
.prod-img-sw-basic {
  height: 220px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #334155 80%, #475569 100%);
  position: relative;
}
.prod-img-sw-basic::before {
  content: ''; position: absolute; inset: 0; opacity: 0.06;
  background-image:
    radial-gradient(circle, #3b82f6 1px, transparent 1px),
    radial-gradient(circle, #60a5fa 1px, transparent 1px);
  background-size: 25px 25px, 40px 40px;
  background-position: 0 0, 12px 12px;
}

.prod-img-sw-pro {
  height: 220px;
  background: linear-gradient(135deg, #0c1929 0%, #1a365d 35%, #2563eb 70%, #06b6d4 100%);
  position: relative;
}
.prod-img-sw-pro::before {
  content: ''; position: absolute; inset: 0; opacity: 0.06;
  background-image:
    radial-gradient(circle, #06b6d4 1px, transparent 1px),
    radial-gradient(circle, #3b82f6 1px, transparent 1px);
  background-size: 20px 20px, 35px 35px;
  background-position: 0 0, 10px 10px;
}
.prod-img-sw-pro::after {
  content: ''; position: absolute; bottom: 20%; left: 20%; right: 20%;
  height: 2px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  border-radius: 1px;
  box-shadow: 0 8px 0 rgba(255,255,255,0.08), 0 16px 0 rgba(255,255,255,0.05);
}

/* Generic img fallback (for about/platform images on index) */
.img-fallback-clean {
  width: 100%; height: 100%; min-height: 340px; border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(6,182,212,0.04));
  display: flex; align-items: center; justify-content: center; position: relative;
}
.img-fallback-clean::after {
  content: ''; width: 60px; height: 60px; border-radius: 50%;
  background: radial-gradient(circle, var(--blue-soft) 0%, transparent 70%);
  opacity: 0.3;
}

/* ═══ SYSTEM BLOCK ═══ */
.system-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
  padding: 80px 0; border-bottom: 1px solid var(--border-light);
}
.system-block:last-child { border-bottom: none; }
.system-block:nth-child(even) .system-block-img { order: 2; }
.system-block:nth-child(even) .system-block-content { order: 1; }
.system-block-icon {
  width: 56px; height: 56px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(6,182,212,0.06));
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
}
.system-block-img {
  border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.system-block-img img { width: 100%; object-fit: contain; cursor: pointer; }

/* ═══ PARTNERS ═══ */
.partners-row {
  display: flex; align-items: center; justify-content: center; gap: 48px;
  flex-wrap: wrap;
}
.partner-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px; font-weight: 700; color: var(--text-muted);
  letter-spacing: 0.04em; filter: grayscale(1); opacity: 0.5;
  transition: all var(--transition);
}
.partner-logo:hover { filter: grayscale(0); opacity: 1; color: var(--blue); }

/* ═══ CTA SECTION (NAVY) ═══ */
.cta-section {
  position: relative; padding: 100px 24px; text-align: center; overflow: hidden;
  background: var(--navy-deep);
  background-image:
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(37,99,235,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 80% 20%, rgba(6,182,212,0.08) 0%, transparent 50%);
}
.cta-inner { position: relative; z-index: 1; }
.cta-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 42px); font-weight: 700;
  color: var(--text-on-dark); margin-bottom: 16px;
}
.cta-title span {
  background: linear-gradient(135deg, var(--blue-bright), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cta-text {
  font-size: 18px; color: var(--text-on-dark-muted); margin-bottom: 32px;
  max-width: 600px; margin-left: auto; margin-right: auto;
}

/* ═══ PAGE HERO ═══ */
.page-hero {
  padding: 140px 24px 64px; text-align: center;
  background: var(--navy-deep);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% 30%, rgba(37,99,235,0.1) 0%, transparent 60%);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.page-hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(30px, 4vw, 44px); font-weight: 700;
  color: var(--text-on-dark); margin-bottom: 12px;
}
.page-hero-sub {
  font-size: 17px; color: var(--text-on-dark-muted); max-width: 600px; margin: 0 auto;
}

/* ═══ CONTACT PAGE ═══ */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
}
.contact-info-card {
  background: var(--white); border: 1px solid var(--border-card);
  border-radius: var(--radius-lg); padding: 32px;
  box-shadow: var(--shadow-sm);
}
.contact-info-item {
  display: flex; gap: 16px; align-items: flex-start; padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-icon {
  width: 48px; height: 48px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(6,182,212,0.06));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--blue); flex-shrink: 0;
}
.contact-info-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 4px; }
.contact-info-val { font-size: 15px; color: var(--text-primary); font-weight: 500; }

/* Form */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; margin-bottom: 6px;
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.form-input, .form-textarea {
  width: 100%; padding: 14px 18px; border-radius: var(--radius);
  background: var(--white); border: 1.5px solid var(--border-light);
  font-family: 'Inter', sans-serif; font-size: 15px; color: var(--text-primary);
  outline: none; transition: all var(--transition);
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 4px rgba(37,99,235,0.06);
}
.form-textarea { resize: vertical; min-height: 120px; }

/* Map */
.map-wrap {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border-card); height: 320px;
  box-shadow: var(--shadow-sm);
}
.map-wrap iframe { width: 100%; height: 100%; border: none; }

/* ═══ PARTNERS MARQUEE ═══ */
.partners-section {
  background: #ffffff;
  border-top: 1px solid rgba(0,0,0,0.06);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 0;
}
.partners-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px; font-weight: 700; letter-spacing: 0.10em;
  color: var(--navy-deep);
  text-transform: uppercase;
  padding: 20px 32px 0 32px;
  margin: 0;
}
.partners-marquee {
  background: #ffffff;
  padding: 16px 0 20px; overflow: hidden;
  position: relative; display: flex; align-items: center;
}
.partners-marquee::before,
.partners-marquee::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2; pointer-events: none;
}
.partners-marquee::before { left: 0; background: linear-gradient(90deg, #ffffff 0%, transparent 100%); }
.partners-marquee::after  { right: 0; background: linear-gradient(270deg, #ffffff 0%, transparent 100%); }
.partners-track {
  display: flex; align-items: center; gap: 28px;
  white-space: nowrap; width: max-content;
  animation: partnersScroll 30s linear infinite;
}
.partner-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px; font-weight: 700; letter-spacing: 0.03em;
  color: rgba(6,18,43,0.65);
  transition: color 0.3s;
}
.partner-name:hover { color: var(--blue); }
.partner-dot {
  font-size: 12px; color: rgba(0,0,0,0.12);
  flex-shrink: 0;
}
@keyframes partnersScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .partners-track { animation: none; }
}

/* ═══ FOOTER ═══ */
.site-footer { background: var(--navy-deep); color: var(--text-on-dark); }
.footer-top { padding: 64px 24px 40px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px;
  max-width: 1280px; margin: 0 auto;
}
.footer-logo { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.footer-logo .logo-img { filter: brightness(0) invert(1); }
.footer-desc { font-size: 14px; color: var(--text-on-dark-muted); line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-on-dark-muted); transition: all var(--transition);
}
.footer-social a:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.footer-heading {
  font-size: 15px; font-weight: 700; color: var(--text-on-dark); margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 14px; color: var(--text-on-dark-muted); transition: color var(--transition);
}
.footer-links a:hover { color: var(--blue-soft); }
.footer-links a i { font-size: 10px; margin-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact li {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--text-on-dark-muted);
}
.footer-contact li i { color: var(--blue-soft); width: 16px; text-align: center; }
.footer-contact li a { color: var(--text-on-dark-muted); transition: color var(--transition); }
.footer-contact li a:hover { color: var(--blue-soft); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 24px;
  text-align: center;
}
.footer-bottom p { font-size: 13px; color: var(--text-on-dark-muted); }

/* ═══ ANIMATIONS ═══ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-up { animation: fadeUp 0.6s ease forwards; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .system-block { grid-template-columns: 1fr; gap: 32px; }
  .system-block:nth-child(even) .system-block-img { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .trust-bar-grid { flex-direction: column; gap: 0; }
  .trust-divider { width: 80px; height: 1px; margin: 0 auto; }
  .trust-stat { padding: 20px; }
  .trust-stat-val { font-size: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header-nav, .header-phone .phone-text { display: none; }
  .lang-label { display: none; }
  .lang-switcher-btn { padding: 7px 8px; }
  .header-hamburger { display: flex; }
  .header-inner { height: 60px; }

  .hero { padding: 120px 20px 60px; }
  .hero-title { font-size: 30px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
  .hero-stat-row { grid-template-columns: repeat(3,1fr); gap: 10px; }

  .section { padding: 60px 20px; }
  .section-header { margin-bottom: 40px; }
  .cards-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(3,1fr); gap: 8px; }
  .about-stat-val { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .trust-stat { padding: 16px 20px; }
  .trust-stat-val { font-size: 26px; }
  .partners-row { gap: 24px; }
  .system-block { padding: 40px 0; }
}

@media (max-width: 480px) {
  .hero-stat-row { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
  .trust-stat { padding: 14px 16px; }
  .trust-stat-val { font-size: 24px; }
  .mobile-menu { width: 100%; }
}

/* ═══════════════════════════════════════════
   DEK BATTERY MASCOT — Animated Character Bot
   ═══════════════════════════════════════════ */
.battery-bot {
  position: fixed; bottom: 28px; right: 28px; z-index: 9998;
  width: 90px; height: 170px; cursor: pointer; pointer-events: auto;
  filter: drop-shadow(0 12px 32px rgba(37,99,235,0.35));
  animation: botEnter 0.8s cubic-bezier(0.34,1.56,0.64,1) forwards,
             botSway 4.5s ease-in-out 0.8s infinite;
  transform-origin: bottom center;
  transition: filter 0.3s, transform 0.3s;
}
.battery-bot:hover {
  filter: drop-shadow(0 18px 44px rgba(37,99,235,0.55)) drop-shadow(0 0 28px rgba(6,182,212,0.28));
  transform: scale(1.06);
}
.battery-bot:active { transform: scale(0.94); }

/* Main battery body */
.bot-body {
  width: 78px; height: 130px; position: relative; margin: 0 auto;
  background: linear-gradient(175deg,
    #1e3a6e 0%, #16305a 8%, #0f2b5c 20%, #142d5a 40%,
    #0f2650 60%, #0c1f44 80%, #0a1a38 100%);
  border-radius: 18px;
  border: 2.5px solid rgba(255,255,255,0.18);
  box-shadow:
    inset 0 2px 3px rgba(255,255,255,0.1),
    inset 0 -4px 12px rgba(0,0,0,0.25),
    0 0 40px rgba(37,99,235,0.25),
    0 0 70px rgba(6,182,212,0.1);
  overflow: visible;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
/* Highlight stripe */
.bot-body::before {
  content: ''; position: absolute; top: 8px; left: 14px;
  width: 8px; height: 55px; border-radius: 4px;
  background: linear-gradient(180deg,
    rgba(255,255,255,0.16) 0%, rgba(255,255,255,0.06) 50%, transparent 100%);
  z-index: 5; pointer-events: none;
}

/* Top terminal nub */
.bot-terminal {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  width: 24px; height: 16px; border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, #c0c8d4 0%, #9aa3b2 40%, #6b7685 100%);
  border: 2px solid rgba(255,255,255,0.15);
  box-shadow: 0 -2px 6px rgba(0,0,0,0.15);
  z-index: 10;
}
.bot-terminal::after {
  content: ''; position: absolute; top: 2px; left: 4px; right: 4px; height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.35);
}

/* DEK text */
.bot-dek {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px; font-weight: 800; letter-spacing: 0.06em;
  color: #fff;
  text-shadow: 0 0 12px rgba(6,182,212,0.6), 0 0 24px rgba(37,99,235,0.35);
  z-index: 3; line-height: 1;
  margin-bottom: 2px;
  user-select: none;
}

/* Eyes container */
.bot-eyes {
  display: flex; gap: 14px; z-index: 3;
  margin: 4px 0;
}
.bot-eye {
  width: 14px; height: 16px; border-radius: 50%;
  background: #fff;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.1), 0 0 8px rgba(6,182,212,0.3);
  position: relative;
  animation: botBlink 4s ease-in-out infinite;
}
/* Pupil */
.bot-eye::after {
  content: ''; position: absolute; top: 4px; left: 50%; transform: translateX(-50%);
  width: 5px; height: 5px; border-radius: 50%;
  background: #06122b;
}
/* Mouth */
.bot-mouth {
  width: 22px; height: 8px; z-index: 3;
  border-bottom: 2.5px solid rgba(255,255,255,0.7);
  border-radius: 0 0 12px 12px;
  transition: all 0.3s;
}
.battery-bot:hover .bot-mouth {
  width: 26px; height: 10px;
  border-bottom-width: 3px;
  border-bottom-color: #fff;
  border-radius: 0 0 14px 14px;
}

/* Charge indicator */
.bot-charge {
  display: flex; gap: 3px; align-items: flex-end;
  height: 20px; z-index: 3; margin-top: 5px;
}
.bot-charge-bar {
  width: 6px; border-radius: 3px;
  background: linear-gradient(180deg, #10b981, #059669);
  box-shadow: 0 0 6px rgba(16,185,129,0.5);
  transition: height 0.4s;
}
.bot-charge-bar:nth-child(1) { height: 8px; animation: chargeBar1 2.5s ease-in-out infinite; }
.bot-charge-bar:nth-child(2) { height: 12px; animation: chargeBar2 2.5s ease-in-out infinite 0.3s; }
.bot-charge-bar:nth-child(3) { height: 16px; animation: chargeBar3 2.5s ease-in-out infinite 0.6s; }
.bot-charge-bar:nth-child(4) { height: 20px; animation: chargeBar4 2.5s ease-in-out infinite 0.9s; }

/* Arms */
.bot-arm {
  position: absolute; z-index: 1;
  width: 10px; height: 36px; border-radius: 5px;
  background: linear-gradient(180deg, #1e3a6e, #0f2b5c);
  border: 1.5px solid rgba(255,255,255,0.12);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.bot-arm-left {
  left: -6px; top: 48px;
  transform: rotate(12deg);
  transform-origin: top center;
  animation: armSwayLeft 4.5s ease-in-out 0.8s infinite;
}
.bot-arm-right {
  right: -6px; top: 48px;
  transform: rotate(-12deg);
  transform-origin: top center;
  animation: armSwayRight 4.5s ease-in-out 0.8s infinite;
}
.battery-bot:hover .bot-arm-left  { animation: armWaveLeft 0.6s ease-in-out infinite; }
.battery-bot:hover .bot-arm-right { animation: armWaveRight 0.6s ease-in-out infinite; }

/* Legs */
.bot-leg {
  position: absolute; bottom: -10px; z-index: 0;
  width: 12px; height: 14px; border-radius: 50%;
  background: linear-gradient(180deg, #0f2b5c, #0a1a3a);
  border: 1.5px solid rgba(255,255,255,0.1);
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.bot-leg-left  { left: 22px; }
.bot-leg-right { right: 22px; }

/* Online dot */
.bot-online-dot {
  position: absolute; top: 8px; right: 8px; z-index: 10;
  width: 10px; height: 10px; border-radius: 50%;
  background: #10b981;
  border: 2px solid rgba(255,255,255,0.35);
  box-shadow: 0 0 6px rgba(16,185,129,0.7), 0 0 14px rgba(16,185,129,0.25);
  animation: botDot 2.5s ease-in-out infinite;
}

/* Processing class — charge bars animate faster */
.battery-bot.processing .bot-charge-bar:nth-child(1) { animation: chargeFast 0.5s ease-in-out infinite; }
.battery-bot.processing .bot-charge-bar:nth-child(2) { animation: chargeFast 0.5s ease-in-out infinite 0.12s; }
.battery-bot.processing .bot-charge-bar:nth-child(3) { animation: chargeFast 0.5s ease-in-out infinite 0.25s; }
.battery-bot.processing .bot-charge-bar:nth-child(4) { animation: chargeFast 0.5s ease-in-out infinite 0.37s; }

/* Done state — eyes glow */
.battery-bot.done .bot-eye {
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.1), 0 0 12px rgba(6,182,212,0.7), 0 0 20px rgba(37,99,235,0.4);
}
.battery-bot.done {
  animation: botDone 0.6s ease-in-out;
}

/* Pause animation button */
.bot-pause-btn {
  position: absolute; top: -6px; left: -6px; z-index: 20;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(6,18,43,0.8); border: 1.5px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.5); font-size: 9px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s;
  line-height: 1;
}
.battery-bot:hover .bot-pause-btn { opacity: 1; }
.bot-pause-btn:hover { color: #fff; border-color: rgba(255,255,255,0.5); }
.battery-bot.paused .bot-pause-btn { opacity: 1; color: #10b981; border-color: rgba(16,185,129,0.5); }
.battery-bot.paused .bot-arm-left,
.battery-bot.paused .bot-arm-right,
.battery-bot.paused .bot-eye,
.battery-bot.paused .bot-charge-bar { animation-play-state: paused !important; }
.battery-bot.paused { animation-play-state: paused !important; }

/* ═══ Chat Panel ═══ */
.bot-chat-panel {
  position: fixed; bottom: 210px; right: 28px; z-index: 9997;
  width: 360px; max-height: 480px;
  background: rgba(6,18,43,0.97); backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.55), 0 0 50px rgba(37,99,235,0.18);
  display: flex; flex-direction: column;
  opacity: 0; pointer-events: none; transform: translateY(16px) scale(0.96);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.bot-chat-panel.open {
  opacity: 1; pointer-events: auto; transform: translateY(0) scale(1);
}

.bot-chat-header {
  padding: 16px 18px; border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; gap: 10px;
}
.bot-chat-header-icon {
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, #1e3a6e, #0f2b5c);
  border: 1.5px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px; font-weight: 800; color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,0.25);
  letter-spacing: 0.04em;
}
.bot-chat-header-text h4 { font-size: 15px; font-weight: 700; color: #fff; margin: 0; line-height: 1.1; }
.bot-chat-header-text p { font-size: 11px; color: #10b981; margin: 2px 0 0; font-weight: 500; }
.bot-chat-close {
  margin-left: auto; background: none; border: none; color: rgba(255,255,255,0.3);
  font-size: 22px; cursor: pointer; padding: 4px; line-height: 1;
  transition: color 0.2s;
}
.bot-chat-close:hover { color: #fff; }

.bot-chat-messages {
  flex: 1; padding: 16px; overflow-y: auto; max-height: 290px;
  display: flex; flex-direction: column; gap: 8px;
}
.bot-chat-messages::-webkit-scrollbar { width: 4px; }
.bot-chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 2px; }

.bot-msg {
  max-width: 85%; padding: 10px 14px; border-radius: 14px;
  font-size: 13px; line-height: 1.5;
}
.bot-msg.bot {
  align-self: flex-start;
  background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.88);
  border-bottom-left-radius: 4px; border: 1px solid rgba(255,255,255,0.04);
}
.bot-msg.user {
  align-self: flex-end;
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  color: #fff; border-bottom-right-radius: 4px;
}

.bot-chat-input-wrap {
  padding: 12px 16px; border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; gap: 8px;
}
.bot-chat-input {
  flex: 1; padding: 10px 14px; border-radius: 12px;
  background: rgba(255,255,255,0.04); border: 1.5px solid rgba(255,255,255,0.08);
  color: #fff; font-size: 13px; outline: none;
  transition: border-color 0.2s;
}
.bot-chat-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.08); }
.bot-chat-input::placeholder { color: rgba(255,255,255,0.2); }
.bot-chat-send {
  width: 38px; height: 38px; border-radius: 12px; border: none;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  color: #fff; font-size: 14px; cursor: pointer; flex-shrink: 0;
  transition: all 0.2s; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}
.bot-chat-send:hover { transform: scale(1.06); box-shadow: 0 6px 18px rgba(37,99,235,0.45); }

/* ═══ Keyframes ═══ */
@keyframes botEnter {
  0%   { opacity: 0; transform: translateY(60px) scale(0.6); }
  50%  { opacity: 1; transform: translateY(-8px) scale(1.04); }
  70%  { transform: translateY(4px) scale(0.97); }
  85%  { transform: translateY(-2px) scale(1.01); }
  100% { transform: translateY(0) scale(1); }
}
@keyframes botSway {
  0%, 100% { transform: rotate(-2.2deg); }
  50% { transform: rotate(2.2deg); }
}
@keyframes botBlink {
  0%, 45%, 55%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.08); }
}
@keyframes botDot {
  0%, 100% { opacity: 0.35; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.15); }
}
@keyframes armSwayLeft {
  0%, 100% { transform: rotate(12deg); }
  50% { transform: rotate(18deg); }
}
@keyframes armSwayRight {
  0%, 100% { transform: rotate(-12deg); }
  50% { transform: rotate(-18deg); }
}
@keyframes armWaveLeft {
  0%, 100% { transform: rotate(12deg); }
  50% { transform: rotate(-25deg); }
}
@keyframes armWaveRight {
  0%, 100% { transform: rotate(-12deg); }
  50% { transform: rotate(25deg); }
}
@keyframes chargeBar1 {
  0%, 100% { height: 8px; opacity: 0.5; }
  50% { height: 10px; opacity: 1; }
}
@keyframes chargeBar2 {
  0%, 100% { height: 12px; opacity: 0.5; }
  50% { height: 14px; opacity: 1; }
}
@keyframes chargeBar3 {
  0%, 100% { height: 16px; opacity: 0.6; }
  50% { height: 18px; opacity: 1; }
}
@keyframes chargeBar4 {
  0%, 100% { height: 20px; opacity: 0.6; }
  50% { height: 22px; opacity: 1; }
}
@keyframes chargeFast {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}
@keyframes botDone {
  0%   { transform: translateY(0); }
  30%  { transform: translateY(-12px); }
  50%  { transform: translateY(2px); }
  70%  { transform: translateY(-4px); }
  100% { transform: translateY(0); }
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .battery-bot,
  .battery-bot:hover,
  .bot-arm-left, .bot-arm-right,
  .bot-eye, .bot-charge-bar {
    animation: none !important;
  }
  .battery-bot { opacity: 1; transform: none; }
  .bot-chat-panel { transition: opacity 0.15s; }
}

/* ═══ Responsive ═══ */
@media (max-width: 768px) {
  .battery-bot {
    bottom: 20px; right: 16px;
    width: 70px; height: 140px;
  }
  .bot-body { width: 60px; height: 105px; border-radius: 14px; }
  .bot-dek { font-size: 14px; }
  .bot-eye { width: 11px; height: 13px; }
  .bot-eye::after { width: 4px; height: 4px; top: 3px; }
  .bot-mouth { width: 18px; height: 6px; }
  .bot-terminal { width: 18px; height: 12px; top: -10px; }
  .bot-arm { width: 8px; height: 28px; }
  .bot-leg { width: 10px; height: 11px; bottom: -7px; }
  .bot-charge-bar { width: 5px; }
  .bot-chat-panel { right: 8px; left: 8px; width: auto; bottom: 170px; }
}
@media (max-width: 480px) {
  .battery-bot {
    bottom: 14px; right: 10px;
    width: 60px; height: 125px;
  }
  .bot-body { width: 52px; height: 92px; border-radius: 12px; }
  .bot-dek { font-size: 12px; }
  .bot-eyes { gap: 10px; }
  .bot-eye { width: 10px; height: 11px; }
  .bot-eye::after { width: 3.5px; height: 3.5px; top: 2.5px; }
  .bot-mouth { width: 16px; height: 5px; }
  .bot-terminal { width: 16px; height: 10px; top: -8px; }
  .bot-arm { width: 7px; height: 24px; }
  .bot-arm-left  { left: -4px; top: 38px; }
  .bot-arm-right { right: -4px; top: 38px; }
  .bot-leg { width: 9px; height: 10px; bottom: -6px; }
  .bot-leg-left  { left: 18px; }
  .bot-leg-right { right: 18px; }
  .bot-charge { gap: 2px; height: 16px; }
  .bot-charge-bar { width: 4px; }
  .bot-chat-panel { right: 4px; left: 4px; bottom: 150px; max-height: 400px; }
}
