/* ============================================================
   BANU HASHIM ENGINEERS - Main Stylesheet
   Color Scheme: Red, Black, White
   Designed by: webco.pk
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Rajdhani:wght@400;500;600;700&family=Open+Sans:wght@300;400;600&display=swap');

/* ── CSS Variables ── */
:root {
  --red:       #cc0000;
  --red-dark:  #990000;
  --red-light: #ff2222;
  --black:     #0a0a0a;
  --black-2:   #111111;
  --black-3:   #1a1a1a;
  --white:     #ffffff;
  --gray-1:    #f5f5f5;
  --gray-2:    #e0e0e0;
  --gray-3:    #999999;
  --font-display: 'Bebas Neue', sans-serif;
  --font-heading: 'Rajdhani', sans-serif;
  --font-body:    'Open Sans', sans-serif;
  --transition:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-red:   0 8px 32px rgba(204,0,0,0.35);
  --shadow-black: 0 8px 32px rgba(0,0,0,0.55);
  --radius:       4px;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black-2); }
::-webkit-scrollbar-thumb { background: var(--red); border-radius: 3px; }

/* ── Selection ── */
::selection { background: var(--red); color: var(--white); }

/* ── Utility ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 96px 0; }
.text-red { color: var(--red); }
.text-center { text-align: center; }

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  border-left: 3px solid var(--red);
  padding-left: 12px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: 0.04em;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-3);
  max-width: 580px;
  line-height: 1.75;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 36px;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.btn:hover::after { transform: scaleX(1); }

.btn-primary {
  background: var(--red);
  color: var(--white);
  box-shadow: var(--shadow-red);
}
.btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); }

.btn-outline {
  border: 2px solid var(--white);
  color: var(--white);
}
.btn-outline:hover { border-color: var(--red); color: var(--red); transform: translateY(-2px); }

/* ================================================================
   PRELOADER
   ================================================================ */
#preloader {
  position: fixed; inset: 0;
  background: var(--black);
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  gap: 24px;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.hide { opacity: 0; visibility: hidden; }
.preloader-logo {
  font-family: var(--font-display);
  font-size: 2.8rem;
  letter-spacing: 0.1em;
  color: var(--white);
}
.preloader-logo span { color: var(--red); }
.preloader-bar {
  width: 200px; height: 3px;
  background: var(--black-3);
  border-radius: 2px;
  overflow: hidden;
}
.preloader-bar-fill {
  height: 100%;
  background: var(--red);
  width: 0%;
  animation: preloadFill 1.8s ease forwards;
}
@keyframes preloadFill { to { width: 100%; } }

/* ================================================================
   HEADER / NAVBAR
   ================================================================ */
#header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  margin-top:30px;
  transition: var(--transition);
}
#header.scrolled {
  background: rgba(10,10,10,0.97);
  box-shadow: 0 2px 30px rgba(0,0,0,0.6);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 32px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo-icon {
  width: 44px; height: 44px;
  background: var(--red);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--white);
  flex-shrink: 0;
}
.nav-logo-text { line-height: 1.2; }
.nav-logo-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.07em;
  color: var(--white);
  display: block;
}
.nav-logo-sub {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-item { position: relative; }

.nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  padding: 10px 14px;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 14px; right: 14px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}
.nav-link:hover { color: var(--red); }
.nav-link:hover::after { transform: scaleX(1); }

/* Dropdown */
.dropdown-toggle { padding-right: 24px; }
.dropdown-toggle .chevron {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  font-size: 0.6rem;
  transition: transform 0.25s;
}
.nav-item:hover .chevron { transform: translateY(-50%) rotate(180deg); }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px); left: 0;
  min-width: 260px;
  background: var(--black-2);
  border-top: 3px solid var(--red);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-black);
  opacity: 0; visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.25s ease;
  padding: 8px 0;
}
.nav-item:hover .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-link {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gray-3);
  padding: 11px 20px;
  transition: var(--transition);
}
.dropdown-link:hover { color: var(--white); background: var(--black-3); padding-left: 28px; }
.dropdown-link .dd-icon { color: var(--red); font-size: 1rem; }

/* Quote Button */
.nav-quote {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--red);
  color: var(--white);
  padding: 10px 22px;
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(204,0,0,0.4);
}
.nav-quote:hover { background: var(--red-dark); transform: translateY(-1px); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 80px; right: -100%; bottom: 0;
  width: 300px;
  background: var(--black-2);
  border-left: 3px solid var(--red);
  z-index: 999;
  transition: right 0.35s ease;
  overflow-y: auto;
  padding: 24px 0;
}
.mobile-nav.open { right: 0; }
.mobile-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  padding: 14px 28px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.mobile-nav-link:hover { color: var(--red); padding-left: 40px; }
.mobile-nav-sub { font-size: 0.9rem; padding-left: 44px; color: var(--gray-3); }
.mobile-nav-sub:hover { color: var(--red-light); }

/* ================================================================
   HERO SLIDER
   ================================================================ */
#hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
}
.logo-home{
	width:45%;
}
.hero-slides { position: relative; width: 100%; height: 100%; }

.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
  overflow: hidden;
}
.hero-slide.active { opacity: 1; z-index: 2; }
.hero-slide.prev { opacity: 0; z-index: 1; }

/* Slide Image Placeholder */
.slide-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #111;
  transform: scale(1.06);
  transition: transform 8s ease;
  z-index: 0;
}
.hero-slide.active .slide-bg { transform: scale(1); }

/* Overlay */
.slide-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    105deg,
    rgba(10,10,10,0.85) 0%,
    rgba(10,10,10,0.55) 55%,
    rgba(204,0,0,0.25) 100%
  );
}

/* Slide Content */
.slide-content {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  padding: 0 8%;
  padding-top: 80px;
}
.slide-inner { max-width: 700px; }

.slide-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--red);
  border-left: 3px solid var(--red);
  padding-left: 12px;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.7s 0.3s ease;
}
.hero-slide.active .slide-tag { opacity: 1; transform: translateX(0); }

.slide-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 22px;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s 0.5s ease;
}
.hero-slide.active .slide-title { opacity: 1; transform: translateY(0); }
.slide-title span { color: var(--red); }

.slide-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 520px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s 0.7s ease;
}
.hero-slide.active .slide-desc { opacity: 1; transform: translateY(0); }

.slide-actions {
  display: flex; gap: 16px; flex-wrap: wrap;
  opacity: 0; transform: translateY(20px);
  transition: all 0.6s 0.9s ease;
}
.hero-slide.active .slide-actions { opacity: 1; transform: translateY(0); }

/* Slider Controls */
.slider-controls {
  position: absolute; bottom: 40px; left: 8%;
  z-index: 10;
  display: flex; gap: 8px;
}
.slider-dot {
  width: 32px; height: 3px;
  background: rgba(255,255,255,0.35);
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition);
}
.slider-dot.active { width: 56px; background: var(--red); }

.slider-arrows {
  position: absolute; bottom: 36px; right: 8%;
  z-index: 10;
  display: flex; gap: 10px;
}
.slider-btn {
  width: 48px; height: 48px;
  border: 2px solid rgba(255,255,255,0.35);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}
.slider-btn:hover { border-color: var(--red); background: var(--red); }

/* Slide Counter */
.slide-counter {
  position: absolute; top: 50%; right: 6%;
  transform: translateY(-50%);
  z-index: 10;
  writing-mode: vertical-lr;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.45);
  display: flex; align-items: center; gap: 14px;
}
.slide-counter .current { font-size: 2rem; color: var(--white); }
.counter-line { width: 1px; height: 50px; background: var(--red); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 10;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.scroll-indicator span {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}
.scroll-mouse {
  width: 22px; height: 36px;
  border: 2px solid rgba(255,255,255,0.35);
  border-radius: 12px;
  position: relative;
}
.scroll-mouse::before {
  content: '';
  position: absolute;
  top: 6px; left: 50%; transform: translateX(-50%);
  width: 3px; height: 8px;
  background: var(--red);
  border-radius: 2px;
  animation: scrollBob 1.6s ease infinite;
}
@keyframes scrollBob {
  0%, 100% { top: 6px; opacity: 1; }
  70% { top: 16px; opacity: 0.3; }
}

/* ================================================================
   TICKER BAR
   ================================================================ */
.ticker-bar {
  background: var(--red);
  padding: 12px 0;
  overflow: hidden;
  position: relative;
  z-index: 5;
}
.ticker-track {
  display: flex;
  white-space: nowrap;
  animation: tickerMove 28s linear infinite;
}
.ticker-track:hover { animation-play-state: paused; }
.ticker-item {
  display: inline-flex; align-items: center; gap: 16px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  padding: 0 40px;
}
.ticker-sep { color: rgba(255,255,255,0.5); font-size: 1.2rem; }
@keyframes tickerMove { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ================================================================
   STATS STRIP
   ================================================================ */
.stats-strip {
  background: var(--black-2);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 56px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 24px;
  border-right: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.stat-item:last-child { border-right: none; }

.stat-number {
  font-family: var(--font-display);
  font-size: 3.8rem;
  letter-spacing: 0.02em;
  color: var(--red);
  line-height: 1;
  display: block;
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--white);
}
.stat-label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-3);
  margin-top: 8px;
}

/* ================================================================
   ABOUT / WHY US STRIP
   ================================================================ */
.about-strip {
  background: var(--black);
  padding: 100px 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-placeholder {
  width: 100%; aspect-ratio: 4/3;
  background: var(--black-3);
  border-radius: var(--radius);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
  border: 2px dashed rgba(204,0,0,0.4);
  color: var(--gray-3);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.about-image-placeholder .img-icon { font-size: 3rem; color: var(--red); opacity: 0.5; }

.about-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  width: 120px; height: 120px;
  background: var(--red);
  border-radius: 50%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-red);
  animation: badgeSpin 12s linear infinite;
}
@keyframes badgeSpin {
  0% { transform: rotate(0); } 100% { transform: rotate(360deg); }
}
.about-badge-inner {
  animation: badgeSpinReverse 12s linear infinite;
}
@keyframes badgeSpinReverse {
  0% { transform: rotate(0); } 100% { transform: rotate(-360deg); }
}
.about-badge .num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--white);
  line-height: 1;
}
.about-badge .lbl {
  font-family: var(--font-heading);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
}

.features-list { margin-top: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feature-item {
  display: flex; align-items: flex-start; gap: 12px;
}
.feature-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: rgba(204,0,0,0.12);
  border: 1px solid rgba(204,0,0,0.3);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--red); font-size: 1rem;
  transition: var(--transition);
}
.feature-item:hover .feature-icon { background: var(--red); color: var(--white); }
.feature-text strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
}
.feature-text span { font-size: 0.82rem; color: var(--gray-3); }

/* ================================================================
   SERVICES / PRODUCTS SECTION
   ================================================================ */
.services-section {
  background: var(--black-2);
  padding: 100px 0;
}
.services-header { text-align: center; margin-bottom: 60px; }
.services-header .section-subtitle { margin: 0 auto; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.service-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background: var(--black-3);
}
.service-card:first-child { grid-column: span 2; aspect-ratio: auto; }

.service-card-bg {
  position: absolute; inset: 0;
  background: var(--black-3);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.6s ease;
}
.service-card:hover .service-card-bg { transform: scale(1.06); }

.service-img-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--black-3) 0%, rgba(204,0,0,0.08) 100%);
  border: 1px dashed rgba(204,0,0,0.2);
}
.service-img-placeholder .svc-icon { font-size: 2.8rem; color: var(--red); opacity: 0.4; }
.service-img-placeholder span {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-3);
}

.service-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.3) 55%, transparent 100%);
  transition: var(--transition);
}
.service-card:hover .service-overlay { background: linear-gradient(0deg, rgba(10,10,10,0.97) 0%, rgba(204,0,0,0.25) 100%); }

.service-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px 28px 24px;
  transform: translateY(40px);
  transition: transform 0.4s ease;
}
.service-card:hover .service-info { transform: translateY(0); }

.service-cat {
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 6px;
}
.service-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 10px;
}
.service-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.4s 0.1s ease;
  max-width: 380px;
}
.service-card:hover .service-desc { opacity: 1; transform: translateY(0); }

.service-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-top: 14px;
  opacity: 0;
  transition: opacity 0.3s 0.15s;
}
.service-card:hover .service-arrow { opacity: 1; }

/* ================================================================
   PROJECTS SECTION
   ================================================================ */
.projects-section { background: var(--black); padding: 100px 0; }
.projects-header {
  display: flex; align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 60px;
  gap: 24px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.project-card {
  background: var(--black-2);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.project-card:hover { border-color: rgba(204,0,0,0.3); transform: translateY(-6px); box-shadow: var(--shadow-red); }

.project-thumb {
  aspect-ratio: 16/10;
  background: var(--black-3);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-3);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  border: 1px dashed rgba(204,0,0,0.15);
}
.project-thumb .proj-icon { font-size: 2.2rem; color: var(--red); opacity: 0.35; }

.project-body { padding: 20px; }
.project-tag {
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 8px;
}
.project-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.3;
}
.project-loc {
  font-size: 0.82rem;
  color: var(--gray-3);
  display: flex; align-items: center; gap: 6px;
}

/* ================================================================
   CERTIFICATE SECTION
   ================================================================ */
.cert-section {
  background: var(--black-2);
  padding: 100px 0;
}
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.cert-card {
  background: var(--black-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.cert-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.35s;
}
.cert-card:hover::before { transform: scaleX(1); }
.cert-card:hover { border-color: rgba(204,0,0,0.25); transform: translateY(-4px); }

.cert-icon {
  width: 68px; height: 68px;
  background: rgba(204,0,0,0.1);
  border: 2px solid rgba(204,0,0,0.25);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  color: var(--red);
  margin: 0 auto 18px;
  transition: var(--transition);
}
.cert-card:hover .cert-icon { background: var(--red); color: var(--white); border-color: var(--red); }
.cert-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 8px;
}
.cert-desc { font-size: 0.82rem; color: var(--gray-3); line-height: 1.6; }

/* ================================================================
   EXPERT INSTALLATION
   ================================================================ */
.install-section {
  background: var(--black);
  padding: 100px 0;
}
.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.install-steps { margin-top: 40px; }
.install-step {
  display: flex; gap: 20px;
  margin-bottom: 32px;
  position: relative;
}
.install-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 50px; left: 20px;
  width: 1px; height: calc(100% - 20px);
  background: linear-gradient(to bottom, var(--red), transparent);
}
.step-num {
  width: 42px; height: 42px; flex-shrink: 0;
  background: var(--red);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--white);
}
.step-text strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.step-text span { font-size: 0.85rem; color: var(--gray-3); line-height: 1.6; }

/* ================================================================
   CTA BAND
   ================================================================ */
.cta-band {
  background: var(--red);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: 'BHE';
  position: absolute;
  right: -40px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 18rem;
  color: rgba(255,255,255,0.06);
  line-height: 1;
  pointer-events: none;
}
.cta-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-text .cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.04em;
  color: var(--white);
  line-height: 1.1;
}
.cta-text p { font-size: 1rem; color: rgba(255,255,255,0.8); margin-top: 8px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-white {
  background: var(--white);
  color: var(--red);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.btn-white:hover { background: var(--black); color: var(--white); transform: translateY(-2px); }
.btn-ghost {
  border: 2px solid rgba(255,255,255,0.6);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius);
  transition: var(--transition);
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-ghost:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }

/* ================================================================
   TESTIMONIALS
   ================================================================ */
.testi-section { background: var(--black-2); padding: 100px 0; }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.testi-card {
  background: var(--black-3);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  transition: var(--transition);
}
.testi-card:hover { border-color: rgba(204,0,0,0.25); transform: translateY(-4px); }
.testi-quote {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--red);
  line-height: 0.6;
  margin-bottom: 18px;
  opacity: 0.5;
}
.testi-text { font-size: 0.92rem; color: rgba(255,255,255,0.7); line-height: 1.75; margin-bottom: 24px; }
.testi-stars { color: var(--red); font-size: 0.85rem; margin-bottom: 16px; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 44px; height: 44px;
  background: rgba(204,0,0,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--red);
}
.testi-name { font-family: var(--font-heading); font-size: 0.92rem; font-weight: 700; color: var(--white); }
.testi-role { font-size: 0.78rem; color: var(--gray-3); }

/* ================================================================
   CONTACT SECTION
   ================================================================ */
.contact-section { background: var(--black); padding: 100px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; margin-top: 56px; }

.contact-info-item {
  display: flex; gap: 16px;
  margin-bottom: 32px;
}
.ci-icon {
  width: 50px; height: 50px; flex-shrink: 0;
  background: rgba(204,0,0,0.12);
  border: 1px solid rgba(204,0,0,0.3);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--red); font-size: 1.2rem;
  transition: var(--transition);
}
.contact-info-item:hover .ci-icon { background: var(--red); color: var(--white); }
.ci-label { font-family: var(--font-heading); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gray-3); margin-bottom: 4px; }
.ci-value { font-size: 0.96rem; color: var(--white); line-height: 1.5; }
.ci-value a { color: var(--white); transition: var(--transition); }
.ci-value a:hover { color: var(--red); }

/* Contact Form */
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-3);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--black-2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--white);
  outline: none;
  transition: var(--transition);
  appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(204,0,0,0.12); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: var(--black-2); }

/* ================================================================
   FOOTER
   ================================================================ */
footer {
  background: var(--black-2);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand .footer-logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
}
.footer-logo-icon {
  width: 40px; height: 40px;
  background: var(--red);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--white);
}
.footer-logo-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.07em;
  color: var(--white);
  display: block;
}
.footer-logo-sub {
  font-family: var(--font-heading);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
}
.footer-tagline { font-size: 0.88rem; color: var(--gray-3); line-height: 1.75; margin-bottom: 24px; }

.footer-socials { display: flex; gap: 10px; }
.social-link {
  width: 38px; height: 38px;
  background: var(--black-3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-3);
  font-size: 0.95rem;
  transition: var(--transition);
}
.social-link:hover { background: var(--red); color: var(--white); border-color: var(--red); transform: translateY(-2px); }

.footer-title {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 0.88rem;
  color: var(--gray-3);
  transition: var(--transition);
  display: inline-flex; align-items: center; gap: 6px;
}
.footer-links a::before { content: '›'; color: var(--red); }
.footer-links a:hover { color: var(--white); padding-left: 4px; }

.footer-contact-item { display: flex; gap: 12px; margin-bottom: 16px; align-items: flex-start; }
.fc-icon { color: var(--red); font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.fc-text { font-size: 0.85rem; color: var(--gray-3); line-height: 1.5; }
.fc-text a { color: var(--gray-3); transition: var(--transition); }
.fc-text a:hover { color: var(--red); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 22px 0;
  display: flex; align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 0.82rem; color: var(--gray-3); }
.footer-copy a { color: var(--red); }
.footer-by { font-size: 0.8rem; color: var(--gray-3); }
.footer-by a { color: var(--red); font-weight: 600; }

/* ================================================================
   FLOATING BUTTONS
   ================================================================ */
.float-cluster {
  position: fixed;
  right: 24px; bottom: 32px;
  z-index: 900;
  display: flex; flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.float-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  color: var(--white);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  position: relative;
}
.float-btn:hover { transform: scale(1.12); }

.float-btn-label {
  position: absolute;
  right: 62px;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
  padding: 6px 12px;
  border-radius: var(--radius);
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  transition: all 0.25s;
  border: 1px solid rgba(255,255,255,0.1);
}
.float-btn:hover .float-btn-label { opacity: 1; transform: translateX(0); }

.float-wa { background: #25D366; }
.float-call { background: var(--red); }
.float-top {
  background: var(--black-2);
  border: 1px solid rgba(255,255,255,0.12);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.float-top.visible { opacity: 1; pointer-events: all; }

/* WhatsApp floating quote bar */
.wa-quote-btn {
  position: fixed;
  left: 0; bottom: 60px;
  z-index: 900;
  background: #25D366;
  color: var(--white);
  display: flex; align-items: center; gap: 10px;
  padding: 13px 20px;
  border-radius: 0 40px 40px 0;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 4px 4px 20px rgba(0,0,0,0.3);
  transition: var(--transition);
  text-decoration: none;
  color: white;
}
.wa-quote-btn:hover { padding-right: 28px; box-shadow: 6px 6px 24px rgba(0,0,0,0.4); }
.wa-quote-btn .wa-icon { font-size: 1.3rem; }

/* ================================================================
   ANIMATIONS & SCROLL REVEAL
   ================================================================ */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-36px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.in-view { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(36px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.in-view { opacity: 1; transform: translateX(0); }

/* Stagger delay */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Pulse ring */
@keyframes pulseRing {
  0% { box-shadow: 0 0 0 0 rgba(204,0,0,0.5); }
  70% { box-shadow: 0 0 0 18px rgba(204,0,0,0); }
  100% { box-shadow: 0 0 0 0 rgba(204,0,0,0); }
}
.pulse-ring { animation: pulseRing 2.2s ease infinite; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card:first-child { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav-links, .nav-quote { display: none; }
  .nav-hamburger { display: flex; }
  .about-grid, .install-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-bottom: 1px solid rgba(255,255,255,0.06); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
  .projects-header { flex-direction: column; align-items: flex-start; }
  .slide-counter { display: none; }
}

@media (max-width: 640px) {
  .section-pad { padding: 64px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .slider-arrows { display: none; }
  .about-badge { width: 90px; height: 90px; bottom: -10px; right: -10px; }
  .about-badge .num { font-size: 1.6rem; }
  .features-list { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}