/* ============================================================
   BLUE HEMISPHERE AIR CONDITIONING — Main Stylesheet
   styles.css
   ============================================================ */

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

:root {
  --navy:       #0D2137;
  --blue:       #1057A0;
  --sky:        #0D9FE8;
  --sky-light:  #E6F4FC;
  --white:      #FFFFFF;
  --offwhite:   #F4F7FA;
  --text:       #1C2B3A;
  --muted:      #5E7A90;
  --border:     #D0DDE8;
  --shadow-sm:  0 2px 8px rgba(13,33,55,.08);
  --shadow-md:  0 6px 24px rgba(13,33,55,.12);
  --shadow-lg:  0 16px 48px rgba(13,33,55,.18);
  --radius:     12px;
  --radius-sm:  8px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ===================== UTILITIES ===================== */
.container { max-width: 1600px; margin: 0 auto; padding: 0 72px; }
.section  { padding: 96px 0; }
.section--alt { background: var(--offwhite); }

.tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 18px;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 560px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: .93rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--sky);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(13,159,232,.35);
}
.btn-primary:hover { background: #0b8dd0; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(13,159,232,.4); }
.btn-outline {
  border-color: rgba(255,255,255,.7);
  color: var(--white);
}
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.btn-outline-dark {
  border-color: var(--blue);
  color: var(--blue);
}
.btn-outline-dark:hover { background: var(--blue); color: var(--white); }

/* ===================== TOPBAR ===================== */
.topbar {
  background: var(--navy);
  color: rgba(255,255,255,.75);
  font-size: .8rem;
  padding: 8px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar a { color: var(--sky); text-decoration: none; }
.topbar a:hover { text-decoration: underline; }
.topbar-item { display: flex; align-items: center; gap: 6px; }
.topbar-items { display: flex; gap: 24px; flex-wrap: wrap; }

/* ===================== NAVBAR ===================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgb(255, 255, 255);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 130px;
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-img {
  height: 64px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}
.footer-logo-img {
  height: 80px;
}
.logo-text { line-height: 1.2; }
.logo-text strong {
  display: block;
  font-size: 1.26rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -.01em;
  text-transform: uppercase;
}
.logo-text em {
  display: block;
  font-size: 0.94rem;
  font-style: normal;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: .02em;
  text-transform: uppercase;
}
.logo-text span {
  display: block;
  font-size: 0.81rem;
  color: var(--muted);
  font-weight: 400;
  font-style: italic;
  letter-spacing: .01em;
}

/* Nav Links */
.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}
.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 500;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover { color: var(--sky); background: var(--sky-light); }
.nav-links a.active { color: var(--sky); }

/* Dropdown Menu */
.nav-dropdown { position: relative; }
.nav-dropdown > a::after {
  content: '▾';
  font-size: .7em;
  margin-left: 4px;
  opacity: .6;
}
.dropdown-menu {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s ease, visibility 0s 1.5s;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  padding-top: 16px; /* bridges the gap so hover isn't lost */
  min-width: 200px;
  z-index: 100;
}
.nav-dropdown:hover .dropdown-menu {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity .15s ease, visibility 0s 0s;
}
.dropdown-menu a {
  display: block;
  color: var(--text) !important;
  font-size: .87rem;
  padding: 10px 14px !important;
  border-radius: var(--radius-sm);
}
.dropdown-menu a:hover { color: var(--sky) !important; background: var(--sky-light) !important; }

/* Nav CTA & Hamburger */
.nav-cta { margin-left: 8px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.hamburger:hover { background: var(--sky-light); }
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Navigation */
.mobile-nav {
  display: none;
  padding: 16px 24px 24px;
  background: var(--white);
  border-top: 1px solid var(--border);
}
.mobile-nav.open { display: block; }
.mobile-nav ul { list-style: none; }
.mobile-nav ul li a {
  display: block;
  padding: 12px 0;
  font-size: .93rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.mobile-nav ul li a:hover { color: var(--sky); }
.mobile-nav-sub { padding-left: 16px; }
.mobile-nav-sub a { font-size: .87rem !important; color: var(--muted) !important; }

/* ===================== HERO ===================== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: url('../content/homehead.jpeg') center center / cover no-repeat;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8, 40, 96, 0.28), rgba(13, 90, 232, 0.16));
  z-index: 1;
}
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(13,159,232,.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 10% 80%, rgba(16,87,160,.3) 0%, transparent 60%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 220px;
  align-items: center;
  padding-top: 48px;
  padding-bottom: 48px;
}

/* Hero Content */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 90, 232, 0.753);
  border: 1px solid rgba(226, 235, 240, 0.35);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(rgba(255, 255, 255, 0.9));
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: -.02em;
}
.hero-title .highlight {
  color: var(--sky);
  position: relative;
  display: inline-block;
}
.hero-sub {
  font-size: 1.08rem;
  color: rgba(255,255,255,.75);
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.75;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.hero-stat {
  background: rgba(0, 0, 0, .38);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 14px;
  padding: 12px 16px;
  min-width: 132px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero-stat .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.hero-stat .num span { color: var(--sky); }
.hero-stat .lbl { font-size: .78rem; color: rgba(255,255,255,.82); margin-top: 6px; }

/* Hero Right – Floating Card Visual */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-card {
  background: rgba(0, 0, 0, 0.418);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 24px;
  padding: 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 24px 64px rgba(0,0,0,.3);
}
.hero-card-title {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 20px;
}
.service-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.service-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.9);
  font-size: .92rem;
}
.service-list li .icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(13,159,232,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .9rem;
}
.hero-award {
  margin-top: 24px;
  padding: 16px;
  background: rgba(255,255,255,.06);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  display: flex;
  align-items: center;
  gap: 12px;
}
.award-icon { font-size: 1.6rem; line-height: 1; }
.award-text strong { color: var(--white); font-size: .88rem; display: block; }
.award-text span { color: rgba(255,255,255,.6); font-size: .78rem; }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.5);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.scroll-dot {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,.3);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-dot::before {
  content: '';
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,.6);
  border-radius: 2px;
  animation: scrollAnim 1.8s ease-in-out infinite;
}
@keyframes scrollAnim {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ===================== TRUST STRIP ===================== */
.trust-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}
.trust-strip .container {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  gap: 12px;
  overflow-x: visible;
}
.trust-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 74px;
  min-width: 0;
  flex: 1 1 0;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(5, 26, 61, 0.05);
}
.trust-logo {
  width: 100%;
  max-width: 100px;
  height: 36px;
  object-fit: contain;
  display: block;
}

/* ===================== ABOUT ===================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-img-wrap { position: relative; }
.about-img-main {
  width: 100%;
  border-radius: 20px;
  background: transparent;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.about-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.about-img-main .img-placeholder { text-align: center; color: rgba(255,255,255,.5); }
.about-img-main .img-placeholder .big-icon { font-size: 5rem; opacity: .4; }
.about-img-main .img-placeholder p { font-size: .85rem; margin-top: 8px; }
.about-float-card {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  min-width: 180px;
}
.about-float-card .afc-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--sky);
  line-height: 1;
}
.about-float-card .afc-label { font-size: .78rem; color: var(--muted); margin-top: 2px; }
.about-text .section-sub { margin-bottom: 28px; }
.about-list { list-style: none; display: flex; flex-direction: column; gap: 14px; margin-bottom: 32px; }
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .93rem;
  color: var(--text);
}
.about-list li .chk {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--sky-light);
  color: var(--sky);
  font-size: .75rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===================== SERVICES / CAPABILITIES ===================== */
.services-header { text-align: center; margin-bottom: 56px; }
.services-header .section-sub { margin: 0 auto; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.sc-banner {
  display: block;
  width: calc(100% + 56px);
  margin: -28px -28px 20px -28px;
  height: 160px;
  object-fit: cover;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sky), var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.sc-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--sky-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  transition: var(--transition);
}
.service-card:hover .sc-icon { background: var(--sky); }
.sc-title { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.sc-desc { font-size: .85rem; color: var(--muted); line-height: 1.65; }

/* ===================== STATS COUNTER ===================== */
.stats-section {
  background: linear-gradient(135deg, var(--navy) 0%, #0d3460 100%);
  padding: 72px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-num .accent { color: var(--sky); }
.stat-label { font-size: .85rem; color: rgba(255,255,255,.6); letter-spacing: .04em; }

/* ===================== PRODUCTS ===================== */
.products-header { text-align: center; margin-bottom: 56px; }
.products-header .section-sub { margin: 0 auto; }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.product-card.featured {
  border-color: var(--sky);
  box-shadow: 0 0 0 4px rgba(13,159,232,.1);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--sky);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 4px 10px;
  border-radius: 50px;
}
.product-logo-wrap {
  width: 80px; height: 80px;
  border-radius: 20px;
  background: var(--offwhite);
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  border: 1px solid var(--border);
}
.product-name { font-size: 1.25rem; font-weight: 800; color: var(--navy); margin-bottom: 8px; }
.product-desc { font-size: .87rem; color: var(--muted); margin-bottom: 24px; line-height: 1.65; }
.product-features { list-style: none; text-align: left; display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.product-features li { font-size: .85rem; color: var(--text); display: flex; align-items: center; gap: 8px; }
.product-features li::before { content: '✓'; color: var(--sky); font-weight: 700; font-size: .8rem; flex-shrink: 0; }

/* ===================== PROJECTS ===================== */
.projects-header { text-align: center; margin-bottom: 40px; }
.projects-header .section-sub { margin: 0 auto; }

/* Filter Tabs */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-tab {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--border);
  background: var(--white);
  color: var(--muted);
  transition: var(--transition);
}
.filter-tab.active, .filter-tab:hover {
  background: var(--sky);
  border-color: var(--sky);
  color: var(--white);
}

/* Project Cards */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  border-radius: 16px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.project-img {
  height: 180px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.project-img .p-icon { font-size: 3.5rem; opacity: .35; }
.project-img-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13,33,55,.5);
  display: flex; align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover .project-img-overlay { opacity: 1; }
.project-type-chip {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: var(--sky);
  color: white;
  padding: 4px 10px;
  border-radius: 50px;
}
.project-info { padding: 20px; }
.project-title { font-size: .97rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.project-meta { font-size: .8rem; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.project-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--border); }

/* ===================== WHY CHOOSE US ===================== */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.why-list { display: flex; flex-direction: column; gap: 24px; }
.why-item { display: flex; gap: 16px; }
.why-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--sky), var(--blue));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(13,159,232,.3);
}
.why-item-text h4 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.why-item-text p { font-size: .87rem; color: var(--muted); line-height: 1.65; }

/* Awards Grid */
.awards-grid { display: flex; flex-direction: column; gap: 16px; }
.award-row {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 20px;
  transition: var(--transition);
}
.award-row:hover { box-shadow: var(--shadow-sm); border-color: var(--sky); }
.award-row .yr { font-size: 1.4rem; font-weight: 800; color: var(--sky); min-width: 52px; }
.award-row .aw-info strong { display: block; font-size: .92rem; color: var(--navy); }
.award-row .aw-info span { font-size: .8rem; color: var(--muted); }
.award-row .trophy { font-size: 1.4rem; margin-left: auto; }

/* ===================== CONTACT ===================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.contact-items { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; margin-bottom: 32px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.ci-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--sky), var(--blue));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(13,159,232,.25);
}
.ci-body strong { display: block; font-size: .87rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.ci-body span { display: block; font-size: .87rem; color: var(--muted); line-height: 1.6; }
.ci-body a { font-size: .87rem; color: var(--sky); text-decoration: none; display: block; line-height: 1.6; }
.ci-body a:hover { text-decoration: underline; }
.map-embed {
  width: 100%;
  margin-top: 16px;
  border-radius: var(--radius);
  overflow: hidden;
}

/* Contact Form */
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-title { font-size: 1.3rem; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.form-subtitle { font-size: .87rem; color: var(--muted); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-size: .82rem; font-weight: 600; color: var(--navy); }
.field input, .field select, .field textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .9rem;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--sky);
  box-shadow: 0 0 0 4px rgba(13,159,232,.12);
}
.field textarea { resize: vertical; min-height: 110px; }
.field select { appearance: none; cursor: pointer; }
.form-footer { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.form-footer .privacy { font-size: .78rem; color: var(--muted); }
.form-success {
  display: none;
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: .87rem;
  color: #065f46;
  margin-top: 16px;
  align-items: center;
  gap: 8px;
}
.form-success.show { display: flex; }

/* ===================== FOOTER ===================== */
.footer {
  background: var(--white);
  color: var(--text);
  padding-top: 72px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border);
}
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand p { font-size: .87rem; line-height: 1.75; max-width: 270px; color: var(--muted); }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.social-btn {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none;
  color: rgba(255,255,255,.7);
  font-size: .85rem;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,.1);
}
.social-btn:hover { background: var(--sky); color: white; border-color: transparent; }
.footer-col h5 {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 16px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text); text-decoration: none; font-size: .87rem; transition: var(--transition); }
.footer-links a:hover { color: var(--sky); }


/* Footer Bottom Bar */
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: .8rem; color: var(--muted); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: var(--muted); text-decoration: none; font-size: .8rem; transition: var(--transition); }
.footer-bottom-links a:hover { color: var(--sky); }

/* ===================== BACK TO TOP BUTTON ===================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--navy);
  color: white;
  border: 2px solid rgba(255,255,255,.15);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  z-index: 500;
  font-size: 1.1rem;
}
.back-to-top:hover { background: var(--sky); border-color: transparent; transform: translateY(-3px); }
.back-to-top.visible { display: flex; }

/* ===================== ANIMATE ON SCROLL ===================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ===================== RESPONSIVE — TABLET (max 1024px) ===================== */
@media (max-width: 1024px) {
  .container { padding: 0 32px; }
  .navbar .container { height: 90px; }
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-img-wrap { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

/* ===================== RESPONSIVE — MOBILE (max 768px) ===================== */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .navbar .container { height: 72px; }
  .section { padding: 64px 0; }
  .topbar { display: none; }
  .scroll-indicator { display: none; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .products-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .trust-strip .container {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 10px;
    overflow-x: auto;
  }
  .trust-item {
    min-width: 132px;
    flex: 0 0 132px;
  }
}

/* ===================== RESPONSIVE — SMALL MOBILE (max 480px) ===================== */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 12px; flex-wrap: wrap; }
  .hero-stat { min-width: 0; flex: 1 1 calc(50% - 6px); }
  .form-card { padding: 24px 20px; }
}