/* ============================================
   LE-TECH ENERJI — Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ===== LIGHT THEME (default) ===== */
:root {
  --primary: #fe5000;
  --primary-dark: #e04500;
  --primary-light: #ff7a33;
  --primary-gradient: linear-gradient(135deg, #fe5000, #ff8c42);
  --primary-glow: 0 0 20px rgba(254,80,0,.3);

  --secondary: #213c4f;
  --secondary-dark: #162b3a;
  --secondary-light: #2a4d66;

  --dark: #0f1724;
  --darker: #080e16;
  --gray: #6c757d;
  --gray-light: #adb5bd;
  --light-gray: #f5f7fa;
  --lighter-gray: #e9ecef;
  --white: #ffffff;
  --off-white: #fafbfc;

  --body-bg: #ffffff;
  --card-bg: #ffffff;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a5a;
  --text-muted: #6c757d;
  --border-color: #e8eaed;
  --section-alt: #f5f7fa;

  --body-font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --heading-font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --container-width: 1320px;

  /* Spacing */
  --section-padding: 90px;
  --section-padding-sm: 60px;

  --transition: .3s cubic-bezier(.4,0,.2,1);
  --transition-slow: .5s cubic-bezier(.4,0,.2,1);
  --transition-bounce: .4s cubic-bezier(.34,1.56,.64,1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --shadow-hover: 0 20px 50px rgba(0,0,0,.12);
  --shadow-lg: 0 25px 60px rgba(0,0,0,.15);
  --shadow-card: 0 2px 8px rgba(0,0,0,.04);

  /* Radius */
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 999px;
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
  --body-bg: #0f1724;
  --card-bg: #1a2332;
  --text-primary: #e8eaed;
  --text-secondary: #b0b8c4;
  --text-muted: #7a8290;
  --border-color: #2a3344;
  --section-alt: #141d2b;
  --white: #1a2332;
  --light-gray: #141d2b;
  --secondary: #2a4d66;
  --secondary-dark: #213c4f;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.2);
  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --shadow-hover: 0 20px 50px rgba(0,0,0,.35);
  --shadow-card: 0 2px 8px rgba(0,0,0,.15);
}

/* ===== ANIMATIONS & KEYFRAMES ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.9); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(254,80,0,.4); }
  50%      { box-shadow: 0 0 20px 5px rgba(254,80,0,.2); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes ripple {
  to { transform: scale(3); opacity: 0; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== SCROLL REVEAL CLASSES ===== */
.reveal { opacity: 0; transition: opacity .6s ease, transform .6s cubic-bezier(.4,0,.2,1); }
.reveal.visible { opacity: 1; transform: translate(0,0) scale(1); }

.reveal-up    { transform: translateY(40px); }
.reveal-down  { transform: translateY(-40px); }
.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-scale { transform: scale(.92); }

/* Stagger children */
.reveal-stagger > .reveal { transition-delay: calc(var(--i, 0) * 120ms); }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body-font);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background: var(--body-bg);
  transition: background .3s ease, color .3s ease;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

::selection { background: var(--primary); color: var(--white); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.row { display: flex; flex-wrap: wrap; margin: 0 -15px; }
[class*="col-"] { padding: 0 15px; flex: 0 0 100%; max-width: 100%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
@media (min-width: 768px) { .col-md-4 { flex: 0 0 33.333%; max-width: 33.333%; } .col-md-6 { flex: 0 0 50%; max-width: 50%; } }
@media (min-width: 992px) { .col-lg-3 { flex: 0 0 25%; max-width: 25%; } .col-lg-4 { flex: 0 0 33.333%; max-width: 33.333%; } .col-lg-6 { flex: 0 0 50%; max-width: 50%; } .col-lg-8 { flex: 0 0 66.667%; max-width: 66.667%; } }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius);
  font-weight: 600; font-size: 15px;
  border: none; cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase; letter-spacing: .5px;
  position: relative; overflow: hidden;
}
.btn::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(255,255,255,.15);
  opacity: 0; transition: var(--transition);
}
.btn:hover::after { opacity: 1; }
.btn-primary {
  background: var(--primary-gradient); color: var(--white);
  box-shadow: var(--primary-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(254,80,0,.45);
}
.btn-outline { background: transparent; color: var(--white); border: 2px solid var(--white); }
.btn-outline:hover { background: var(--white); color: var(--secondary); }
.btn-dark { background: var(--secondary); color: var(--white); }
.btn-dark:hover { background: var(--secondary-light); transform: translateY(-2px); }
.btn-outline-dark { background: transparent; color: var(--secondary); border: 2px solid var(--secondary); }
.btn-outline-dark:hover { background: var(--secondary); color: var(--white); }
.btn-sm { padding: 8px 20px; font-size: 13px; }
.btn-lg { padding: 16px 36px; font-size: 17px; }
.btn-ghost { background: transparent; color: var(--primary); border: 1px solid var(--border-color); }
.btn-ghost:hover { border-color: var(--primary); background: rgba(254,80,0,.04); }

/* ===== SECTIONS ===== */
.section {
  padding: var(--section-padding) 0;
  background: var(--body-bg);
  transition: background .3s ease;
}
.section-alt {
  background: var(--section-alt);
  position: relative;
  overflow: hidden;
}
.section-alt::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  background-image: url('../images/energy-pattern.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.section-alt .container {
  position: relative;
}
.section-title {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}
.section-title h2 {
  font-size: 36px; font-weight: 800;
  color: var(--text-primary);
  position: relative; padding-bottom: 15px;
}
.section-title h2::after {
  content: '';
  position: absolute; bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 4px;
  background: var(--primary-gradient);
  border-radius: 2px;
}
.section-title p {
  color: var(--text-muted);
  margin-top: 15px; font-size: 16px;
  max-width: 680px;
  margin-left: auto; margin-right: auto;
  line-height: 1.7;
}
.section-title .section-badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: var(--radius-full);
  background: rgba(254,80,0,.1);
  color: var(--primary);
  font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 15px;
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.mt-1 { margin-top: 15px; }
.mt-2 { margin-top: 25px; }
.mt-3 { margin-top: 40px; }
.mb-3 { margin-bottom: 40px; }
.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-3 { gap: 30px; }
.gap-2 { gap: 20px; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* ===== HEADER & NAVIGATION ===== */
.top-bar {
  background: var(--secondary);
  color: var(--white);
  padding: 8px 0;
  font-size: 14px;
  position: relative;
  z-index: 1001;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar a { color: rgba(255,255,255,.8); }
.top-bar a:hover { color: var(--primary); }
.top-bar .top-contact { display: flex; gap: 20px; }
.top-bar .top-contact span { display: flex; align-items: center; gap: 6px; }
@media (max-width: 768px) { .top-bar { font-size: 12px; } .top-bar .top-contact { gap: 10px; } .top-bar .container { flex-wrap: wrap; gap: 5px; justify-content: center; } }

.main-header {
  background: var(--card-bg);
  box-shadow: 0 2px 20px rgba(0,0,0,.06);
  position: sticky; top: 0; z-index: 1000;
  transition: background .3s ease, box-shadow .3s ease;
}
.main-header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,.1); }
.main-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 80px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo img { height: 55px; width: auto; transition: var(--transition); }
.logo:hover img { transform: scale(1.05); }
.logo span {
  font-size: 18px; font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15; white-space: nowrap;
  transition: color .3s ease;
}
.logo span small {
  font-size: 10px; font-weight: 400;
  color: var(--text-muted);
  display: block; white-space: nowrap;
}

.main-nav { display: flex; align-items: center; gap: 1px; flex-wrap: nowrap; }
.main-nav > li { position: relative; flex-shrink: 0; }
.main-nav > li > a {
  padding: 6px 10px;
  font-weight: 600; font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: .3px;
  display: block; white-space: nowrap;
  position: relative;
}
.main-nav > li > a::before {
  content: ''; position: absolute; bottom: 2px; left: 10px; right: 10px;
  height: 2px; background: var(--primary);
  transform: scaleX(0); transition: transform var(--transition);
  border-radius: 1px;
}
.main-nav > li > a:hover::before,
.main-nav > li.current-menu-item > a::before { transform: scaleX(1); }
.main-nav > li > a:hover,
.main-nav > li.current-menu-item > a { color: var(--primary); }

.main-nav .sub-menu {
  position: absolute; top: 100%; left: 0;
  background: var(--card-bg);
  min-width: 250px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 100; padding: 8px 0;
}
.main-nav li:hover > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav .sub-menu li { position: relative; }
.main-nav .sub-menu a {
  padding: 10px 22px; display: block;
  font-size: 14px; color: var(--text-secondary);
  border-left: 3px solid transparent;
}
.main-nav .sub-menu a:hover {
  color: var(--primary);
  border-left-color: var(--primary);
  background: rgba(254,80,0,.04);
}
.main-nav .sub-menu .sub-menu { left: 100%; top: 0; }

.menu-toggle {
  display: none; flex-direction: column; cursor: pointer;
  gap: 5px; padding: 5px;
}
.menu-toggle span {
  width: 25px; height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }


/* Language Switcher */
.lang-switcher {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid rgba(254,80,0,.35);
  background: rgba(254,80,0,.06);
  font-size: 11px; font-weight: 700;
  color: var(--text-color);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.lang-switcher:hover {
  border-color: var(--primary);
  color: var(--white);
  background: var(--primary);
  box-shadow: var(--primary-glow);
}
.lang-switcher.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
/* Dark Mode Toggle */
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-secondary);
  transition: all var(--transition);
  margin-left: 8px;
}
.theme-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(254,80,0,.05);
}

/* Header Actions (theme toggle + CTA) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.header-actions .btn-header {
  padding: 8px 18px;
  font-size: 12px;
  font-weight: 700;
  background: var(--primary-gradient);
  color: var(--white);
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: .3px;
  white-space: nowrap;
}
.header-actions .btn-header:hover {
  transform: translateY(-1px);
  box-shadow: var(--primary-glow);
}

@media (max-width: 991px) {
  .menu-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--card-bg);
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    max-height: 80vh; overflow-y: auto;
    border-top: 1px solid var(--border-color);
  }
  .main-nav.open { display: flex; }
  .main-nav > li > a { padding: 14px 20px; border-bottom: 1px solid var(--border-color); }
  .main-nav .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; display: none; }
  .main-nav li.open > .sub-menu { display: block; }
  .main-nav .sub-menu a { padding-left: 40px; }
  .header-actions .btn-header { display: none; }
}

/* ===== HERO SLIDER ===== */
.hero {
  position: relative; overflow: hidden;
  min-height: 600px;
  display: flex; align-items: center;
  /* Logo arka planıyla birebir uyumlu derin navy-steel */
  background: #1b2f41;
}

/* İnce yoğun hex ızgara — cyan-mavi teknoloji tonu */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='69' viewBox='0 0 80 69'%3E%3Cpath d='M40 0L80 20v29L40 69 0 49V20z' fill='none' stroke='rgba(96,180,255,.13)' stroke-width='1'/%3E%3Cpath d='M40 0L80 20v29L40 69 0 49V20z' fill='none' stroke='rgba(254,80,0,.04)' stroke-width='.5'/%3E%3C/svg%3E");
  background-size: 80px 69px;
  z-index: 1;
  pointer-events: none;
}

/* Derinlik ve enerji gradyanları */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 75% 50%, rgba(254,80,0,.16) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 50%, rgba(10,22,34,.8) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 105%, rgba(10,22,34,.55) 0%, transparent 50%),
    radial-gradient(ellipse at 55% 0%, rgba(96,180,255,.07) 0%, transparent 45%);
  z-index: 2;
  pointer-events: none;
}

/* Büyük seyrek hex ızgara — teknoloji derinliği */
.hero-hex-large {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='208' viewBox='0 0 240 208'%3E%3Cpath d='M120 0L240 52v104L120 208 0 156V52z' fill='none' stroke='rgba(96,180,255,.16)' stroke-width='1.5'/%3E%3C/svg%3E");
  background-size: 240px 208px;
}

/* PCB devre izi dokusu — L-trace'ler + via noktaları */
.hero-pcb {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Cline x1='0' y1='50' x2='200' y2='50' stroke='rgba(96,180,255,.05)' stroke-width='.5'/%3E%3Cline x1='0' y1='100' x2='200' y2='100' stroke='rgba(96,180,255,.05)' stroke-width='.5'/%3E%3Cline x1='0' y1='150' x2='200' y2='150' stroke='rgba(96,180,255,.05)' stroke-width='.5'/%3E%3Cline x1='50' y1='0' x2='50' y2='200' stroke='rgba(96,180,255,.05)' stroke-width='.5'/%3E%3Cline x1='100' y1='0' x2='100' y2='200' stroke='rgba(96,180,255,.05)' stroke-width='.5'/%3E%3Cline x1='150' y1='0' x2='150' y2='200' stroke='rgba(96,180,255,.05)' stroke-width='.5'/%3E%3Cpath d='M0 75 H75 V125 H200' fill='none' stroke='rgba(96,180,255,.14)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M25 0 V50 H150 V200' fill='none' stroke='rgba(254,80,0,.11)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M100 0 V25 H175 V100 H200' fill='none' stroke='rgba(96,180,255,.1)' stroke-width='1' stroke-linecap='round' stroke-linejoin='round'/%3E%3Ccircle cx='75' cy='75' r='2.5' fill='rgba(96,180,255,.28)'/%3E%3Ccircle cx='75' cy='125' r='2.5' fill='rgba(96,180,255,.28)'/%3E%3Ccircle cx='25' cy='50' r='2.5' fill='rgba(254,80,0,.28)'/%3E%3Ccircle cx='150' cy='50' r='2.5' fill='rgba(96,180,255,.28)'/%3E%3Ccircle cx='150' cy='100' r='2.5' fill='rgba(254,80,0,.22)'/%3E%3Ccircle cx='100' cy='25' r='2.5' fill='rgba(96,180,255,.28)'/%3E%3Ccircle cx='175' cy='100' r='2' fill='rgba(96,180,255,.2)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* Animated energy lines — PCB trace animasyonları */
.hero-energy-lines {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}
.hero-energy-lines svg {
  position: absolute;
  width: 100%;
  height: 100%;
}

/* ===== LOGO + GLOW + ORBITS ===== */
.hero-logo-area {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 420px;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 992px) {
  .hero-logo-area { right: 3%; width: 270px; height: 270px; }
  .logo-glow-outer { width: 210px !important; height: 210px !important; }
  .logo-glow-mid { width: 170px !important; height: 170px !important; }
  .logo-glow-inner { width: 130px !important; height: 130px !important; }
  .orbit-ring.dash-1 { width: 160px !important; height: 160px !important; }
  .orbit-ring.dash-2 { width: 200px !important; height: 200px !important; }
  .orbit-ring.dash-3 { width: 250px !important; height: 250px !important; }
  .orbit-ring.dash-4 { width: 130px !important; height: 130px !important; }
}
@media (max-width: 768px) {
  .hero-logo-area { display: none; }
}

/* Glow halos */
.logo-glow-outer {
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(254,80,0,.25) 0%, rgba(100,180,255,.1) 45%, transparent 70%);
  animation: glowPulse 4s ease-in-out infinite alternate;
  pointer-events: none;
}
.logo-glow-mid {
  position: absolute;
  width: 250px; height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(254,80,0,.18) 0%, rgba(80,160,220,.08) 50%, transparent 70%);
  animation: glowPulse 4s ease-in-out infinite alternate-reverse;
  pointer-events: none;
}
.logo-glow-inner {
  position: absolute;
  width: 190px; height: 190px;
  border-radius: 50%;
  /* Logonun iç mavi/cyan tonuyla uyumlu arka plan aydınlatma */
  background: radial-gradient(circle, rgba(100,180,255,.22) 0%, rgba(254,80,0,.08) 50%, transparent 70%);
  animation: glowPulse 3s ease-in-out infinite alternate;
  pointer-events: none;
  filter: blur(10px);
}
@keyframes glowPulse {
  0% { transform: scale(.85); opacity: .65; }
  100% { transform: scale(1.15); opacity: 1; }
}
.hero-logo-area .logo-img-wrap {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-logo-area .logo-img {
  width: 300px;
  height: auto;
  display: block;
  border-radius: 50%;
  mix-blend-mode: screen;
  filter:
    drop-shadow(0 0 40px rgba(254,80,0,.6))
    drop-shadow(0 0 20px rgba(60,160,240,.3))
    saturate(1.15);
  animation: logoGlow 4s ease-in-out infinite;
}
@media (max-width: 992px) {
  .hero-logo-area .logo-img { width: 200px; }
}
@keyframes logoGlow {
  0%, 100% {
    filter:
      drop-shadow(0 0 25px rgba(254,80,0,.4))
      drop-shadow(0 0 12px rgba(60,160,240,.25))
      saturate(1.1);
  }
  50% {
    filter:
      drop-shadow(0 0 65px rgba(254,80,0,.75))
      drop-shadow(0 0 30px rgba(60,160,240,.45))
      saturate(1.2);
  }
}

/* Orbit rings */
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid transparent;
  pointer-events: none;
  animation: orbitRotate var(--dur) linear infinite;
}
.orbit-ring.dash-1 {
  width: 240px; height: 240px;
  border-top: 2px solid rgba(254,80,0,.5);
  border-right: 2px solid transparent;
  border-bottom: 2px solid transparent;
  border-left: 2px solid rgba(254,80,0,.15);
  --dur: 10s;
}
.orbit-ring.dash-2 {
  width: 290px; height: 290px;
  border-top: 1.5px solid transparent;
  border-right: 1.5px solid rgba(254,80,0,.35);
  border-bottom: 1.5px solid rgba(254,80,0,.35);
  border-left: 1.5px solid transparent;
  --dur: 15s;
  animation-direction: reverse;
}
.orbit-ring.dash-3 {
  width: 350px; height: 350px;
  border-top: 1px solid rgba(255,255,255,.2);
  border-right: 1px solid transparent;
  border-bottom: 1px solid transparent;
  border-left: 1px solid rgba(255,255,255,.08);
  --dur: 22s;
}
.orbit-ring.dash-4 {
  width: 180px; height: 180px;
  border: 1px dashed rgba(254,80,0,.15);
  --dur: 25s;
  animation-direction: reverse;
}
@keyframes orbitRotate {
  to { transform: rotate(360deg); }
}

/* Particles on orbits */
.orbit-particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.orbit-particle.p1 {
  width: 7px; height: 7px;
  background: #fe5000;
  top: -3.5px; left: 50%;
  margin-left: -3.5px;
  box-shadow: 0 0 15px rgba(254,80,0,.9), 0 0 30px rgba(254,80,0,.4);
  animation: orbitParticle 10s linear infinite, particleGlow 2s ease-in-out infinite alternate;
}
.orbit-particle.p2 {
  width: 5px; height: 5px;
  background: #ff8c42;
  top: 50%; right: -2.5px;
  margin-top: -2.5px;
  box-shadow: 0 0 12px rgba(255,140,66,.7);
  animation: orbitParticle2 15s linear infinite;
}
.orbit-particle.p3 {
  width: 4px; height: 4px;
  background: rgba(255,255,255,.5);
  bottom: -2px; left: 50%;
  margin-left: -2px;
  animation: orbitParticle3 22s linear infinite;
}
@keyframes orbitParticle { to { transform: rotate(360deg); } }
@keyframes orbitParticle2 { to { transform: rotate(-360deg); } }
@keyframes orbitParticle3 { to { transform: rotate(360deg); } }
@keyframes particleGlow {
  0% { box-shadow: 0 0 10px rgba(254,80,0,.4); }
  100% { box-shadow: 0 0 25px rgba(254,80,0,.9); }
}

/* Energy arcs behind logo area */
.energy-arcs {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}
.energy-arc {
  position: absolute;
  border-radius: 50%;
  border: 1px solid transparent;
}
.energy-arc.a1 {
  width: 420px; height: 420px;
  right: 3%; top: 50%;
  transform: translateY(-50%);
  border-left: 2px solid rgba(254,80,0,.1);
  border-bottom: 2px solid rgba(254,80,0,.05);
  animation: arcFloat 7s ease-in-out infinite;
}
.energy-arc.a2 {
  width: 520px; height: 520px;
  right: -2%; top: 50%;
  transform: translateY(-50%);
  border-right: 1px solid rgba(255,255,255,.05);
  border-top: 1px solid rgba(254,80,0,.08);
  animation: arcFloat 9s ease-in-out infinite reverse;
}
.energy-arc.a3 {
  width: 340px; height: 340px;
  right: 8%; top: 50%;
  transform: translateY(-50%);
  border: 1px dashed rgba(254,80,0,.04);
  animation: arcFloat 11s ease-in-out infinite 2s;
}
@keyframes arcFloat {
  0%, 100% { transform: translateY(-50%) scale(1); opacity: .25; }
  50% { transform: translateY(-50%) scale(1.06); opacity: .5; }
}

/* Floating energy nodes */
.energy-node {
  position: absolute;
  width: 3px; height: 3px;
  background: #fe5000;
  border-radius: 50%;
  box-shadow: 0 0 6px #fe5000;
  pointer-events: none;
  z-index: 2;
}
.energy-node:nth-child(1) { animation: floatNode 4s ease-in-out infinite; top: 10%; left: 20%; }
.energy-node:nth-child(2) { animation: floatNode 5s ease-in-out infinite 1s; top: 70%; left: 80%; }
.energy-node:nth-child(3) { animation: floatNode 3.5s ease-in-out infinite .5s; top: 30%; right: 25%; }
.energy-node:nth-child(4) { animation: floatNode 4.5s ease-in-out infinite 1.5s; bottom: 25%; left: 85%; }
.energy-node:nth-child(5) { animation: floatNode 6s ease-in-out infinite 2s; top: 15%; right: 40%; }
.energy-node:nth-child(6) { animation: floatNode 3.8s ease-in-out infinite .3s; bottom: 40%; left: 70%; }
@keyframes floatNode {
  0%, 100% { transform: translateY(0) scale(1); opacity: .3; }
  50% { transform: translateY(-20px) scale(1.5); opacity: .8; }
}

/* Hero slides */
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1s ease, transform 1s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(27,47,65,.92) 0%, rgba(27,47,65,.55) 60%, rgba(27,47,65,.15) 100%);
}
.hero-content {
  position: relative; z-index: 4;
  max-width: 700px;
  padding: 80px 0;
  animation: fadeInUp .8s ease both;
}
.hero-content .hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: rgba(254,80,0,.2);
  backdrop-filter: blur(4px);
  color: var(--white);
  font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,.1);
}
.hero-content h1 {
  font-size: 52px; font-weight: 900;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.15;
  text-shadow: 0 2px 20px rgba(0,0,0,.1);
}
.hero-content p {
  font-size: 18px;
  color: rgba(255,255,255,.9);
  margin-bottom: 30px;
  line-height: 1.7;
  max-width: 600px;
}
.hero-content .btn-group {
  display: flex; gap: 15px; flex-wrap: wrap;
}
.hero-dots {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 5;
}
.hero-dots button {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.6);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.hero-dots button.active {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(254,80,0,.5);
}
.hero-dots button:hover:not(.active) {
  border-color: var(--white);
  background: rgba(255,255,255,.2);
}

/* Hero slide counter */
.hero-counter {
  position: absolute;
  bottom: 30px; right: 40px;
  z-index: 5;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,.6);
  letter-spacing: 3px;
}

@media (max-width: 768px) {
  .hero { min-height: 450px; }
  .hero-content { padding: 50px 0; }
  .hero-content h1 { font-size: 32px; }
  .hero-content p { font-size: 15px; }
  .hero-counter { right: 20px; }
}

/* ===== PRODUCT CARDS ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.product-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.product-card .card-img {
  height: 220px;
  overflow: hidden;
  position: relative;
}
.product-card .card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.product-card:hover .card-img img { transform: scale(1.1); }
.product-card .card-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(33,60,79,.4), transparent 50%);
  opacity: 0;
  transition: var(--transition);
}
.product-card:hover .card-img::after { opacity: 1; }
.product-card .card-img .card-icon {
  position: absolute; bottom: 15px; left: 15px;
  width: 48px; height: 48px;
  background: var(--primary-gradient);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: var(--white);
  box-shadow: 0 4px 15px rgba(254,80,0,.3);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-bounce);
}
.product-card:hover .card-img .card-icon {
  transform: translateY(0);
  opacity: 1;
}
.product-card .card-img-ph {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 56px; color: var(--primary);
}
.product-card .card-body { padding: 25px; }
.product-card .card-body h3 {
  font-size: 18px; font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  transition: color .3s ease;
}
.product-card:hover .card-body h3 { color: var(--primary); }
.product-card .card-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 18px; line-height: 1.6;
}
.product-card .card-body .btn { width: 100%; justify-content: center; }

/* ===== CATEGORY GRID ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}
.cat-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 220px;
  cursor: pointer;
}
.cat-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.cat-card:hover img { transform: scale(1.1); }
.cat-card .cat-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(33,60,79,.92), transparent 40%);
  display: flex; align-items: flex-end;
  padding: 24px;
  transition: var(--transition);
}
.cat-card:hover .cat-overlay {
  background: linear-gradient(to top, rgba(33,60,79,.95), rgba(254,80,0,.2) 60%);
}
.cat-card .cat-overlay h3 {
  color: var(--white);
  font-size: 18px; font-weight: 700;
}

/* ===== FEATURES ===== */
.features { background: var(--section-alt); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}
.feature-item {
  text-align: center; padding: 40px 24px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-item::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.feature-item:hover::before { transform: scaleX(1); }
.feature-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.feature-item .icon {
  width: 72px; height: 72px;
  margin: 0 auto 22px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: var(--white);
  box-shadow: 0 8px 25px rgba(254,80,0,.25);
  transition: all var(--transition);
}
.feature-item:hover .icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 35px rgba(254,80,0,.35);
}
.feature-item h3 {
  font-size: 18px; font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.feature-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== BLOG GRID ===== */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 25px; }
.blog-card { background: var(--card-bg); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); border: 1px solid var(--border-color); }
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: transparent; }
.blog-card .blog-img { height: 200px; overflow: hidden; }
.blog-card .blog-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.blog-card:hover .blog-img img { transform: scale(1.08); }
.blog-card .blog-body { padding: 22px; }
.blog-card .blog-body .date { font-size: 13px; color: var(--primary); font-weight: 600; margin-bottom: 8px; }
.blog-card .blog-body h3 { font-size: 17px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card .blog-body p { font-size: 14px; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card .blog-body .read-more { color: var(--primary); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 5px; margin-top: 10px; }

/* ===== ABOUT PAGE ===== */
.page-hero { background: var(--secondary); padding: 60px 0; text-align: center; }
.page-hero h1 { font-size: 40px; font-weight: 800; color: var(--white); margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,.8); font-size: 16px; }
.about-content { padding: 80px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-text h2 { font-size: 32px; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; }
.about-text h2 span { color: var(--primary); }
.about-text p { color: var(--text-secondary); margin-bottom: 15px; line-height: 1.8; font-size: 15px; }
.about-image img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; gap: 30px; } .about-text h2 { font-size: 26px; } }

/* ===== CONTACT ===== */
.contact-section { padding: 80px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 30px; }
.contact-card { text-align: center; padding: 35px 20px; background: var(--card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); border: 1px solid var(--border-color); transition: var(--transition); }
.contact-card:hover { box-shadow: var(--shadow); border-color: transparent; transform: translateY(-4px); }
.contact-card .icon { width: 60px; height: 60px; margin: 0 auto 15px; background: rgba(254,80,0,.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--primary); }
.contact-card h3 { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.contact-card p { color: var(--text-muted); line-height: 1.7; font-size: 14px; }
.contact-card a { color: var(--primary); font-weight: 600; }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--secondary-dark);
  color: rgba(255,255,255,.9);
  padding: 70px 0 0;
  position: relative;
  overflow: hidden;
}
.site-footer::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  background-image: url('../images/energy-pattern.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.site-footer .container {
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--primary-gradient);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-col h3 {
  color: var(--white);
  font-size: 17px; font-weight: 700;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.footer-col h3::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 36px; height: 3px;
  background: var(--primary-gradient);
  border-radius: 2px;
}
.footer-col .footer-desc {
  line-height: 1.8; font-size: 14px;
  margin-bottom: 20px;
  color: rgba(255,255,255,.7);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255,255,255,.65);
  font-size: 14px;
  display: flex; align-items: center; gap: 8px;
  transition: all var(--transition);
}
.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 6px;
}
.footer-contact li {
  display: flex; gap: 14px;
  margin-bottom: 16px;
}
.footer-contact li .fc-icon {
  color: var(--primary);
  font-size: 18px;
  min-width: 20px;
  margin-top: 2px;
}
.footer-contact li span {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255,255,255,.75);
}

/* Social icons in footer */
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.footer-social a {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: var(--white);
  font-size: 18px;
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(254,80,0,.3);
}

.footer-bottom {
  margin-top: 50px;
  padding: 22px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}
.footer-bottom a { color: rgba(255,255,255,.7); }
.footer-bottom a:hover { color: var(--primary); }

@media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; } }
@media (max-width: 576px) { .footer-grid { grid-template-columns: 1fr; } }

/* ===== PAGE HEADER WITH GRADIENT ===== */
.page-header {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    url('../images/energy-pattern.svg'),
    radial-gradient(circle at 20% 30%, rgba(254,80,0,.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,.03) 0%, transparent 50%);
  background-size: cover, auto, auto;
  background-position: center, center, center;
  background-repeat: no-repeat;
  opacity: 0.2;
}
.page-header::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M40 0L80 40L40 80L0 40Z' fill='none' stroke='rgba(255,255,255,.02)' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 80px 80px;
  opacity: .5;
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 {
  color: var(--white);
  font-size: 38px; font-weight: 800;
  margin: 0;
  letter-spacing: -.5px;
}
.page-header p {
  color: rgba(255,255,255,.75);
  margin-top: 10px;
  font-size: 16px;
  max-width: 600px;
}
.page-header .breadcrumb {
  display: flex; align-items: center; gap: 8px;
  margin: 0 0 15px;
  font-size: 13px; color: rgba(255,255,255,.5);
}
.page-header .breadcrumb a { color: rgba(255,255,255,.6); }
.page-header .breadcrumb a:hover { color: var(--primary); }
.page-header .breadcrumb span { color: rgba(255,255,255,.4); }

@media (max-width: 768px) {
  .page-header { padding: 40px 0; }
  .page-header h1 { font-size: 28px; }
}

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--section-alt); }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}
.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  position: relative;
  transition: all var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: transparent;
}
.testimonial-card::before {
  content: '\201C';
  position: absolute; top: 15px; right: 25px;
  font-size: 80px; line-height: 1;
  color: var(--primary);
  opacity: .12;
  font-family: Georgia, serif;
}
.testimonial-card .tc-stars {
  color: #fbbf24;
  font-size: 16px;
  margin-bottom: 15px;
  letter-spacing: 2px;
}
.testimonial-card .tc-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-card .tc-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-card .tc-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 18px; font-weight: 700;
}
.testimonial-card .tc-name {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 15px;
}
.testimonial-card .tc-title {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== TRUST BADGES / CERTIFICATES ===== */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
  padding: 30px 0;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.trust-badge:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.trust-badge .tb-icon {
  font-size: 28px;
  line-height: 1;
}
.trust-badge .tb-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}
.trust-badge .tb-text small {
  display: block;
  font-weight: 400;
  font-size: 11px;
  color: var(--text-muted);
}

/* ===== FLOATING CONTACT BUTTONS ===== */
.floating-buttons {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.floating-btn {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center; justify-content: center;
  font-size: 24px;
  color: var(--white);
  box-shadow: 0 6px 25px rgba(0,0,0,.2);
  transition: all var(--transition-bounce);
  position: relative;
}
.floating-btn:hover {
  transform: scale(1.1);
}
.floating-btn .fb-tooltip {
  position: absolute;
  right: 68px;
  background: var(--secondary-dark);
  color: var(--white);
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.floating-btn:hover .fb-tooltip { opacity: 1; }
.floating-btn-whatsapp { background: #25D366; animation: pulseGlow 2s infinite; }
.floating-btn-phone { background: var(--primary); }

/* ===== DARK MODE TOGGLE FLOATING (mobile) ===== */
.dark-mode-float {
  position: fixed;
  bottom: 100px;
  right: 24px;
  z-index: 999;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  cursor: pointer;
  display: none;
  align-items: center; justify-content: center;
  font-size: 20px;
  color: var(--text-secondary);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.dark-mode-float:hover {
  border-color: var(--primary);
  color: var(--primary);
}

@media (max-width: 991px) {
  .dark-mode-float { display: flex; }
}

/* ===== PAGE CONTENT ===== */
.page-content { padding: 60px 0; }
.page-content h2 {
  font-size: 28px;
  color: var(--text-primary);
  margin: 35px 0 15px;
}
.page-content h3 {
  font-size: 22px;
  color: var(--text-primary);
  margin: 25px 0 12px;
}
.page-content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 15px;
}
.page-content ul, .page-content ol {
  padding-left: 20px;
  margin-bottom: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.page-content li { margin-bottom: 8px; }

/* ===== DOCUMENTS ===== */
.doc-search { display:flex; gap:12px; margin-bottom:25px; flex-wrap:wrap; }
.doc-search input { flex:1; min-width:200px; padding:12px 16px; border:2px solid var(--border-color); border-radius:var(--radius); font-size:15px; outline:none; transition:var(--transition); background:var(--card-bg); color:var(--text-primary); }
.doc-search input:focus { border-color:var(--primary); }
.doc-search select { padding:12px 16px; border:2px solid var(--border-color); border-radius:var(--radius); font-size:15px; outline:none; background:var(--card-bg); color:var(--text-primary); cursor:pointer; }
.doc-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.doc-item { display: flex; align-items: center; gap: 16px; padding: 18px 20px; background: var(--section-alt); border-radius: var(--radius); transition: var(--transition); border: 1px solid var(--border-color); }
.doc-item:hover { background: var(--card-bg); box-shadow: var(--shadow); border-color: transparent; }
.doc-item .doc-icon { flex-shrink:0; display:flex; align-items:center; justify-content:center; width:44px; height:44px; border-radius:10px; background:rgba(254,80,0,.1); color:var(--primary); }
.doc-item .doc-icon svg { display:block; }
.doc-item .doc-info { flex:1; min-width:0; }
.doc-item .doc-info h4 { font-size: 14px; font-weight: 600; color: var(--text-primary); margin:0 0 4px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.doc-item .doc-info span { font-size: 12px; color: var(--text-muted); }
.doc-item .doc-download { flex-shrink:0; display:flex; align-items:center; justify-content:center; width:40px; height:40px; border-radius:8px; color:var(--primary); transition:var(--transition); }
.doc-item .doc-download:hover { background:var(--primary); color:var(--white); }
.doc-item .doc-download svg { display:block; }
.doc-sep { color: var(--text-muted); margin: 0 6px; font-size: 12px; }
.doc-date { font-size: 12px; color: var(--text-muted); }
.doc-type { font-size: 12px; font-weight: 700; color: var(--primary); }

/* ===== FEATURES GRID ===== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 30px 20px; transition: var(--transition); text-align: center; }
.feature-card:hover { box-shadow: var(--shadow); border-color: transparent; transform: translateY(-3px); }
.feature-card .icon { width: 60px; height: 60px; margin: 0 auto 15px; background: var(--primary-gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--white); }
.feature-card h4 { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ===== SERVICE HERO ===== */
.service-hero-img { margin-bottom: 30px; text-align: center; }
.service-hero-img img { max-width: 100%; border-radius: var(--radius-lg); }

@media (max-width: 767px) {
  .features-grid { grid-template-columns: 1fr; }
  .page-content [style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
}

/* ===== TABLES ===== */
.table-wrap { overflow-x: auto; margin: 20px 0; }
table { width: 100%; border-collapse: collapse; }
table th, table td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(--border-color); font-size: 14px; }
table th { background: var(--secondary); color: var(--white); font-weight: 600; }
table tr:hover td { background: var(--section-alt); }
table td:first-child { font-weight: 600; color: var(--text-primary); }

/* ===== UTILITY ===== */
.w-100 { width: 100%; }
.d-none { display: none; }
.d-block { display: block; }
@media (max-width: 767px) { .d-sm-none { display: none !important; } }

/* ===== PRICING TABLE ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.pricing-card { background: var(--card-bg); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); border: 1px solid var(--border-color); text-align: center; transition: var(--transition); }
.pricing-card:hover { box-shadow: var(--shadow); border-color: transparent; transform: translateY(-4px); }
.pricing-card .pricing-header { background: var(--secondary); color: var(--white); padding: 30px 20px; }
.pricing-card .pricing-header h3 { font-size: 22px; font-weight: 700; color: var(--white); margin: 0; }
.pricing-card .pricing-header p { color: rgba(255,255,255,.8); font-size: 14px; margin: 5px 0 0; }
.pricing-icon { margin-bottom: 10px; }
.pricing-icon svg { display: inline-block; vertical-align: middle; }
.pricing-card .pricing-body { padding: 30px; }
.pricing-card .pricing-body ul { text-align: left; }
.pricing-card .pricing-body ul li { padding: 10px 0; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-secondary); }
.pricing-card .pricing-body ul li::before { content: '\2713'; color: var(--primary); font-weight: 700; }
.pricing-gold { background: var(--primary-gradient) !important; }

/* ===== SLIDER ===== */
.slider-container { position: relative; overflow: hidden; }
.slides-wrapper { display: flex; transition: transform .5s ease; }
.slide-item { min-width: 100%; }
.slide-item img { width: 100%; height: auto; }
.slider-controls { position: absolute; top: 50%; transform: translateY(-50%); width: 100%; display: flex; justify-content: space-between; pointer-events: none; padding: 0 15px; }
.slider-controls button { pointer-events: auto; width: 50px; height: 50px; border-radius: 50%; border: none; background: rgba(255,255,255,.9); cursor: pointer; font-size: 20px; transition: var(--transition); box-shadow: 0 2px 10px rgba(0,0,0,.1); }
.slider-controls button:hover { background: var(--primary); color: var(--white); }

/* ===== CLIENT LOGOS ===== */
.client-slider { overflow: hidden; padding: 20px 0; }
.client-track { display: flex; gap: 40px; animation: scroll 25s linear infinite; }
.client-track img { height: 60px; width: auto; opacity: .6; filter: grayscale(100%); transition: var(--transition); }
.client-track img:hover { opacity: 1; filter: grayscale(0); }
@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ===== PAGINATION ===== */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination a, .pagination span { padding: 10px 16px; border: 1px solid var(--border-color); border-radius: var(--radius); color: var(--text-secondary); font-size: 14px; transition: var(--transition); background: var(--card-bg); }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* ===== PRODUCT DETAIL ===== */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin: 40px 0; }
.product-detail .gallery img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.product-detail .info h1 { font-size: 32px; color: var(--text-primary); margin-bottom: 15px; }
.product-detail .info .price { font-size: 24px; color: var(--primary); font-weight: 700; margin-bottom: 20px; }
.product-detail .info p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
@media (max-width: 768px) { .product-detail { grid-template-columns: 1fr; gap: 25px; } }

/* ===== TABS ===== */
.tabs { margin: 30px 0; }
.tab-nav { display: flex; gap: 2px; background: var(--secondary); border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; }
.tab-nav button { padding: 14px 24px; border: none; background: transparent; color: rgba(255,255,255,.7); font-weight: 600; font-size: 14px; cursor: pointer; transition: var(--transition); }
.tab-nav button.active { background: var(--primary); color: var(--white); }
.tab-nav button:hover:not(.active) { color: var(--white); background: rgba(255,255,255,.1); }
.tab-content { padding: 25px; border: 1px solid var(--border-color); border-top: none; border-radius: 0 0 var(--radius) var(--radius); background: var(--card-bg); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
@media (max-width: 768px) { .tab-nav { flex-wrap: wrap; } .tab-nav button { flex: 1; font-size: 12px; padding: 10px 12px; } }

/* ===== FORMS ===== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 14px; color: var(--text-primary); margin-bottom: 6px; }
.form-control { width: 100%; padding: 12px 15px; border: 1px solid var(--border-color); border-radius: var(--radius); font-size: 14px; transition: var(--transition); font-family: inherit; background: var(--card-bg); color: var(--text-primary); }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(254,80,0,.1); }
textarea.form-control { min-height: 120px; resize: vertical; }
select.form-control { appearance: auto; }

/* ===== RESPONSIVE PRODUCT GRID ===== */
@media (max-width: 768px) { .product-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); } .product-card .card-img { height: 160px; } }

/* ===== SEARCH ===== */
.search-modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.9); z-index: 9999; align-items: center; justify-content: center; }
.search-modal.open { display: flex; }
.search-modal input { width: 80%; max-width: 600px; padding: 20px 30px; font-size: 24px; border: none; border-radius: var(--radius); background: var(--white); }
.search-modal .close-search { position: absolute; top: 30px; right: 40px; color: var(--white); font-size: 40px; cursor: pointer; }

/* ===== FAQ ===== */
.faq-item { border: 1px solid var(--border-color); border-radius: var(--radius); margin-bottom: 10px; overflow: hidden; }
.faq-item .faq-q { padding: 16px 20px; cursor: pointer; font-weight: 600; color: var(--text-primary); display: flex; justify-content: space-between; align-items: center; background: var(--section-alt); }
.faq-item .faq-q::after { content: '+'; font-size: 20px; transition: var(--transition); }
.faq-item.open .faq-q::after { content: '\2212'; }
.faq-item .faq-a { padding: 0 20px; max-height: 0; overflow: hidden; transition: .3s ease; }
.faq-item.open .faq-a { padding: 16px 20px; max-height: 500px; }

/* ===== SPEC GRID ===== */
.spec-grid { margin: 20px 0; }
.spec-group { margin-bottom: 30px; }
.spec-group h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 10px; padding-bottom: 6px; border-bottom: 2px solid var(--primary); text-transform: uppercase; letter-spacing: .5px; }
.spec-row { display: grid; grid-template-columns: 220px 1fr; gap: 0; border-bottom: 1px solid var(--border-color); }
.spec-row:nth-child(even) { background: var(--section-alt); }
.spec-row .spec-key { padding: 10px 15px; font-size: 13px; font-weight: 600; color: var(--text-primary); }
.spec-row .spec-val { padding: 10px 15px; font-size: 13px; color: var(--text-secondary); }
@media (max-width: 768px) { .spec-row { grid-template-columns: 140px 1fr; } .spec-row .spec-key, .spec-row .spec-val { font-size: 12px; padding: 8px 10px; } }

/* ===== BADGE ===== */
.badge { display: inline-block; padding: 3px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; background: rgba(254,80,0,.1); color: var(--primary); }
.badge-primary { background: var(--primary); color: var(--white); }
.badge-secondary { background: var(--secondary); color: var(--white); }

/* ===== PRODUCT HERO ===== */
.product-hero { display: flex; align-items: center; gap: 20px; margin-bottom: 30px; padding: 30px; background: var(--section-alt); border-radius: var(--radius-lg); border: 1px solid var(--border-color); }
.product-hero .hero-icon { flex-shrink: 0; width: 64px; height: 64px; background: var(--primary-gradient); border-radius: 16px; display: flex; align-items: center; justify-content: center; }
.product-hero .hero-icon svg { display: block; }
.product-hero .hero-text h2 { font-size: 24px; font-weight: 700; color: var(--text-primary); margin: 0; }
.product-hero .hero-text p { color: var(--text-muted); margin: 4px 0 0; font-size: 14px; }
@media (max-width: 768px) { .product-hero { flex-direction: column; text-align: center; padding: 20px; } }

/* ===== SUBCATEGORY GRID ===== */
.subcategory-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin: 25px 0; }
.subcategory-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.subcategory-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: transparent; }
.subcategory-card .sc-img { height: 180px; overflow: hidden; }
.subcategory-card .sc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.subcategory-card:hover .sc-img img { transform: scale(1.06); }
.subcategory-card .sc-body { padding: 20px; }
.subcategory-card .sc-body h3 { font-size: 17px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.subcategory-card .sc-body p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 15px; }
.subcategory-card .sc-body .badge { margin-bottom: 10px; }

/* ===== PRODUCT TABS ===== */
.product-tabs { margin: 30px 0; }
.product-tabs .pt-nav { display: flex; gap: 2px; background: var(--secondary); border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; }
.product-tabs .pt-nav button { padding: 14px 28px; border: none; background: transparent; color: rgba(255,255,255,.7); font-weight: 600; font-size: 14px; cursor: pointer; transition: var(--transition); font-family: inherit; }
.product-tabs .pt-nav button.pt-active { background: var(--primary); color: var(--white); }
.product-tabs .pt-nav button:hover:not(.pt-active) { color: var(--white); background: rgba(255,255,255,.1); }
.product-tabs .pt-content { padding: 25px; border: 1px solid var(--border-color); border-top: none; border-radius: 0 0 var(--radius) var(--radius); background: var(--card-bg); }
.product-tabs .pt-pane { display: none; }
.product-tabs .pt-pane.pt-active { display: block; }
@media (max-width: 768px) { .product-tabs .pt-nav { flex-wrap: wrap; } .product-tabs .pt-nav button { flex: 1; font-size: 12px; padding: 10px 14px; } }

/* ===== GALLERY ===== */
.product-gallery { display: grid; grid-template-columns: 1fr; gap: 12px; margin-bottom: 30px; }
.product-gallery .gal-main { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.product-gallery .gal-main img { width: 100%; height: auto; display: block; }
.product-gallery .gal-thumbs { display: flex; gap: 10px; }
.product-gallery .gal-thumbs .gal-thumb { width: 80px; height: 60px; border-radius: var(--radius); overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: var(--transition); opacity: .7; }
.product-gallery .gal-thumbs .gal-thumb:hover, .product-gallery .gal-thumbs .gal-thumb.gal-active { border-color: var(--primary); opacity: 1; }
.product-gallery .gal-thumbs .gal-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ===== BLOG ===== */
.blog-hero { text-align: center; padding: 30px 0 40px; }
.blog-hero h2 { font-size: 32px; font-weight: 800; color: var(--text-primary); margin: 0 0 8px; }
.blog-hero p { color: var(--text-muted); max-width: 600px; margin: 0 auto 25px; font-size: 16px; }
.blog-hero .blog-search { display: flex; max-width: 480px; margin: 0 auto; gap: 0; }
.blog-hero .blog-search input { flex: 1; padding: 14px 18px; border: 2px solid var(--border-color); border-right: none; border-radius: var(--radius) 0 0 var(--radius); font-size: 14px; outline: none; font-family: inherit; background: var(--card-bg); color: var(--text-primary); }
.blog-hero .blog-search input:focus { border-color: var(--primary); }
.blog-hero .blog-search button { padding: 14px 24px; border: none; background: var(--primary); color: var(--white); border-radius: 0 var(--radius) var(--radius) 0; cursor: pointer; font-weight: 600; font-size: 14px; transition: var(--transition); }
.blog-hero .blog-search button:hover { background: var(--primary-dark); }

.blog-filters { display: flex; gap: 10px; margin-bottom: 35px; flex-wrap: wrap; justify-content: center; }
.blog-filters .bf-btn { padding: 8px 20px; border: 2px solid var(--border-color); border-radius: 30px; background: var(--card-bg); color: var(--text-muted); font-size: 13px; font-weight: 600; cursor: pointer; transition: var(--transition); font-family: inherit; }
.blog-filters .bf-btn:hover { border-color: var(--primary); color: var(--primary); }
.blog-filters .bf-btn.bf-active { background: var(--primary); border-color: var(--primary); color: var(--white); }

.blog-card { background: var(--card-bg); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); border: 1px solid var(--border-color); transition: var(--transition); }
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: transparent; }
.blog-card .bc-img { height: 200px; overflow: hidden; position: relative; }
.blog-card .bc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.blog-card:hover .bc-img img { transform: scale(1.06); }
.blog-card .bc-img .bc-cat { position: absolute; top: 12px; left: 12px; padding: 4px 14px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--white); }
.blog-card .bc-body { padding: 22px; }
.blog-card .bc-body .bc-meta { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; display: flex; align-items: center; gap: 12px; }
.blog-card .bc-body .bc-meta .bc-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-muted); }
.blog-card .bc-body h3 { font-size: 18px; font-weight: 700; color: var(--text-primary); margin: 0 0 10px; line-height: 1.35; }
.blog-card .bc-body h3 a { color: inherit; }
.blog-card .bc-body h3 a:hover { color: var(--primary); }
.blog-card .bc-body p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin: 0 0 15px; }
.blog-card .bc-body .bc-read { font-size: 13px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.blog-card .bc-body .bc-read:hover { gap: 10px; }

.blog-card.bc-featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.blog-card.bc-featured .bc-img { height: 100%; min-height: 320px; }
.blog-card.bc-featured .bc-body { padding: 35px; display: flex; flex-direction: column; justify-content: center; }
.blog-card.bc-featured .bc-body h3 { font-size: 24px; }
.blog-card.bc-featured .bc-body p { font-size: 15px; }

.blog-newsletter { background: var(--secondary); border-radius: var(--radius-lg); padding: 50px; text-align: center; margin-top: 50px; }
.blog-newsletter h3 { color: var(--white); font-size: 24px; margin: 0 0 8px; }
.blog-newsletter p { color: rgba(255,255,255,.7); margin: 0 0 25px; font-size: 15px; }
.blog-newsletter .nl-form { display: flex; max-width: 440px; margin: 0 auto; gap: 0; }
.blog-newsletter .nl-form input { flex: 1; padding: 14px 18px; border: none; border-radius: var(--radius) 0 0 var(--radius); font-size: 14px; outline: none; font-family: inherit; }
.blog-newsletter .nl-form button { padding: 14px 28px; border: none; background: var(--primary); color: var(--white); border-radius: 0 var(--radius) var(--radius) 0; cursor: pointer; font-weight: 600; font-size: 14px; transition: var(--transition); }
.blog-newsletter .nl-form button:hover { background: var(--primary-dark); }

@media (max-width: 768px) {
  .blog-card.bc-featured { grid-template-columns: 1fr; }
  .blog-card.bc-featured .bc-img { min-height: 220px; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-newsletter { padding: 30px 20px; }
  .blog-newsletter .nl-form { flex-direction: column; gap: 10px; }
  .blog-newsletter .nl-form input { border-radius: var(--radius); }
  .blog-newsletter .nl-form button { border-radius: var(--radius); }
}

/* ===== LOAD CALCULATOR ===== */
.calc-tool { background: var(--section-alt); border-radius: var(--radius-lg); padding: 30px; margin: 25px 0; border: 1px solid var(--border-color); }
.calc-tool .calc-add-row { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; align-items: center; }
.calc-tool .calc-add-row select, .calc-tool .calc-add-row input { padding: 10px 14px; border: 2px solid var(--border-color); border-radius: var(--radius); font-size: 14px; outline: none; transition: var(--transition); font-family: inherit; background: var(--card-bg); color: var(--text-primary); }
.calc-tool .calc-add-row select:focus, .calc-tool .calc-add-row input:focus { border-color: var(--primary); }
.calc-tool .calc-add-row select { min-width: 240px; background: var(--card-bg); cursor: pointer; }
.calc-tool .calc-add-row input[type="number"] { width: 100px; }
.calc-tool .calc-add-row .calc-btn { padding: 10px 24px; background: var(--primary); color: var(--white); border: none; border-radius: var(--radius); font-weight: 600; font-size: 14px; cursor: pointer; transition: var(--transition); }
.calc-tool .calc-add-row .calc-btn:hover { background: var(--primary-dark); }
.calc-tool .calc-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.calc-tool .calc-table th { background: var(--secondary); color: var(--white); padding: 12px 15px; font-size: 14px; text-align: left; }
.calc-tool .calc-table th:last-child, .calc-tool .calc-table td:last-child { width: 50px; text-align: center; }
.calc-tool .calc-table td { padding: 12px 15px; font-size: 14px; color: var(--text-secondary); border-bottom: 1px solid var(--border-color); }
.calc-tool .calc-table tr:hover td { background: rgba(254,80,0,.04); }
.calc-tool .calc-table .calc-del { color: #e74c3c; cursor: pointer; font-size: 18px; font-weight: 700; transition: var(--transition); background: none; border: none; }
.calc-tool .calc-table .calc-del:hover { color: #c0392b; }
.calc-tool .calc-empty { text-align: center; padding: 30px; color: var(--text-muted); font-size: 14px; }
.calc-tool .calc-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin-top: 20px; }
.calc-tool .calc-summary .calc-stat { background: var(--card-bg); border-radius: var(--radius); padding: 18px 20px; text-align: center; border: 1px solid var(--border-color); }
.calc-tool .calc-summary .calc-stat .calc-label { font-size: 12px; font-weight: 600; text-transform: uppercase; color: var(--text-muted); letter-spacing: .5px; }
.calc-tool .calc-summary .calc-stat .calc-value { font-size: 26px; font-weight: 800; color: var(--text-primary); margin-top: 4px; }
.calc-tool .calc-summary .calc-stat .calc-value.highlight { color: var(--primary); }
.calc-tool .calc-summary .calc-stat .calc-note { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
@media (max-width: 768px) { .calc-tool { padding: 20px; } .calc-tool .calc-add-row select { min-width: 100%; } .calc-tool .calc-add-row input[type="number"] { width: 100%; } .calc-tool .calc-table { font-size: 13px; } .calc-tool .calc-table th, .calc-tool .calc-table td { padding: 8px 10px; } }

/* ===== ENERGY FLOW BACKGROUND PATTERN ===== */
.energy-bg {
  position: relative;
  overflow: hidden;
}
.energy-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  background-image: url('../images/energy-pattern.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.energy-bg .container {
  position: relative;
}

/* Radial glow overlay (additional layer) */
.energy-glow {
  position: relative;
  overflow: hidden;
}
.energy-glow::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.15;
  background:
    radial-gradient(circle at 15% 30%, var(--secondary) 0%, transparent 50%),
    radial-gradient(circle at 85% 70%, var(--secondary) 0%, transparent 45%),
    radial-gradient(circle at 50% 10%, var(--secondary) 0%, transparent 55%),
    radial-gradient(circle at 30% 80%, var(--primary) 0%, transparent 40%),
    radial-gradient(circle at 70% 40%, var(--primary) 0%, transparent 40%);
}

/* Variant using ::after (for sections where ::before is taken, e.g. footer) */
.energy-bg-after {
  position: relative;
  overflow: hidden;
}
.energy-bg-after::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  background-image: url('../images/energy-pattern.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.energy-bg-after .container {
  position: relative;
}

/* Dark theme: keep same opacity, SVG pattern works on dark bg */
[data-theme="dark"] .energy-bg::before,
[data-theme="dark"] .energy-bg-after::after {
  opacity: 0.25;
  filter: brightness(1.3);
}

/* ===== BLOG POST ===== */
.blog-post { max-width: 800px; margin: 0 auto; }
.blog-post .post-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.blog-post .post-meta .pm-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-muted); }
.blog-post .post-meta .pm-cat { color: var(--primary); font-weight: 600; }
.blog-post .post-hero-img { width: 100%; border-radius: var(--radius-lg); margin-bottom: 25px; }
.blog-post h2 { font-size: 24px; font-weight: 700; color: var(--text-primary); margin: 35px 0 15px; }
.blog-post h3 { font-size: 19px; font-weight: 700; color: var(--text-primary); margin: 25px 0 12px; }
.blog-post p { font-size: 15px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 16px; }
.blog-post ul, .blog-post ol { padding-left: 24px; margin-bottom: 20px; }
.blog-post ul li, .blog-post ol li { font-size: 15px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 6px; }
.blog-post ul li strong, .blog-post ol li strong { color: var(--text-primary); }
.blog-post .post-nav { margin-top: 50px; padding-top: 25px; border-top: 1px solid var(--border-color); }
.blog-post .post-back { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--primary); font-size: 14px; }
.blog-post .post-back:hover { gap: 10px; }

/* ===== SITEMAP ===== */
.sitemap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 40px; }
.sitemap-col h3 { font-size: 16px; font-weight: 700; color: var(--text-primary); margin: 0 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--primary); }
.sitemap-col h3 + h3 { margin-top: 30px; }
.sitemap-col ul { list-style: none; padding: 0; margin: 0 0 24px; }
.sitemap-col ul li { margin: 0; }
.sitemap-col ul li a { display: block; padding: 6px 0; font-size: 14px; color: var(--text-secondary); text-decoration: none; transition: color var(--transition); }
.sitemap-col ul li a:hover { color: var(--primary); }