/* ============================================================
   SotekMach - Professional Industrial Website
   Màu sắc: Navy Blue + Orange Gold - Công nghiệp & Chuyên nghiệp
   ============================================================ */

/* ---- VARIABLES ---- */
:root {
  --navy:        #0B2447;
  --navy-dark:   #060D1F;
  --navy-light:  #1a3a5c;
  --navy-mid:    #163566;
  --electric:    #2BADE0;
  --electric-dk: #1f9acf;
  --brand:       #2BADE0;
  --gold:        #F7971E;
  --gold-dark:   #d9820e;
  --green:       #27ae60;
  --red:         #e74c3c;

  --text-primary:   #122033;
  --text-secondary: #3d5163;
  --text-muted:     #6b8496;
  --text-white:     #ffffff;

  --bg-white:  #ffffff;
  --bg-light:  #eef7fd;
  --bg-gray:   #e6f1fa;
  --border:    #d0e4f2;

  --shadow-xs: 0 1px 3px rgba(11,36,71,0.08);
  --shadow-sm: 0 2px 8px rgba(11,36,71,0.10);
  --shadow:    0 4px 20px rgba(11,36,71,0.12);
  --shadow-lg: 0 8px 40px rgba(11,36,71,0.18);
  --shadow-xl: 0 20px 60px rgba(11,36,71,0.22);

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.18s ease;

  --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background:
    radial-gradient(ellipse 90% 50% at 10% -10%, rgba(43,173,224,0.12), transparent 55%),
    radial-gradient(ellipse 70% 40% at 95% 5%, rgba(247,151,30,0.08), transparent 50%),
    linear-gradient(180deg, #f4faff 0%, #ffffff 35%, #f0f8fd 100%);
  line-height: 1.7;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition-fast); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- TYPOGRAPHY ---- */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.65rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1.05rem; }

.brand-name,
.company-name {
  color: var(--brand);
  font-weight: 800;
}

p { margin-bottom: 1rem; color: var(--text-secondary); font-weight: 500; }
p:last-child { margin-bottom: 0; }

/* ---- CONTAINER ---- */
.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }

/* ---- SECTION SPACING ---- */
.section { padding: 80px 0; }
.section-sm { padding: 56px 0; }
.section-lg { padding: 110px 0; }

/* ---- SECTION HEADER ---- */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .label {
  display: inline-block;
  background: rgba(247,151,30,0.12);
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  border: 1px solid rgba(247,151,30,0.25);
}
.section-header h2 { margin-bottom: 16px; }
.section-header .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #fff;
  box-shadow: 0 4px 18px rgba(247,151,30,0.38);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(247,151,30,0.50);
  color: #fff;
}
.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: #fff;
}
.btn-navy {
  background: var(--navy);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-navy:hover {
  background: var(--navy-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-lg { padding: 17px 36px; font-size: 1.05rem; }
.btn-sm { padding: 9px 20px; font-size: 0.85rem; }

/* ---- BADGE ---- */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
}
.badge-gold { background: rgba(247,151,30,0.15); color: var(--gold-dark); }
.badge-navy { background: rgba(11,36,71,0.1); color: var(--navy); }
.badge-green { background: rgba(39,174,96,0.12); color: var(--green); }

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
  padding: 0;
}
.site-header.scrolled {
  background: rgba(6,13,31,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header-topbar {
  background: rgba(6, 13, 31, 0.88);
  border-bottom: 1px solid rgba(43, 173, 224, 0.14);
}
.site-header.scrolled .header-topbar {
  background: rgba(6, 13, 31, 0.98);
}
.header-topbar-inner {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-height: 38px;
}
.header-topbar-hotline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
}
.header-topbar-hotline a {
  color: inherit;
  text-decoration: none;
}
.header-topbar-hotline a:hover {
  color: #fff;
}
.header-topbar-hotline a strong {
  color: var(--brand);
  font-weight: 700;
}
.header-topbar-hotline .phone-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  font-size: 0.85rem;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
  gap: 20px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: #fff;
  letter-spacing: -0.5px;
  box-shadow: 0 3px 12px rgba(247,151,30,0.4);
}
.logo-img {
  height: 200px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 10px rgba(0,0,0,0.2));
}
.site-logo .logo-img + .logo-text {
  display: none;
}
.logo-text { color: #fff; }
.logo-text .name {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1;
  color: var(--brand);
}
.logo-text .tagline {
  display: block;
  font-size: 0.68rem;
  opacity: 0.75;
  letter-spacing: 0.04em;
  font-weight: 400;
  margin-top: 3px;
}

/* NAV */
.main-nav { display: flex; align-items: center; gap: 4px; flex-wrap: nowrap; }
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  color: rgba(255,255,255,0.9);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.nav-link:hover, .nav-link.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
}
.nav-link .chevron {
  font-size: 0.65rem;
  transition: transform 0.2s;
}
.nav-item:hover .chevron { transform: rotate(180deg); }

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 200;
  border: 1px solid var(--border);
}
.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}
.dropdown-link:hover {
  background: var(--bg-light);
  color: var(--navy);
}
.dropdown-link .icon {
  width: 32px; height: 32px;
  background: var(--bg-light);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--transition-fast);
}
.dropdown-link:hover .icon {
  background: rgba(247,151,30,0.15);
}

/* SotekGroup — main nav dropdown */
.sotekgroup-wrap {
  position: relative;
  flex-shrink: 0;
}
.main-nav .sotekgroup-trigger {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}
.main-nav .sotekgroup-trigger:hover,
.main-nav .sotekgroup-wrap:hover .sotekgroup-trigger,
.main-nav .sotekgroup-wrap:focus-within .sotekgroup-trigger {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.sotekgroup-wrap .chevron {
  font-size: 0.6rem;
  transition: transform 0.2s;
}
.sotekgroup-wrap:hover .chevron,
.sotekgroup-wrap:focus-within .chevron {
  transform: rotate(180deg);
}
.sotekgroup-wrap .dropdown-sotekgroup {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  left: auto;
  min-width: 280px;
  background: rgba(6, 13, 31, 0.98);
  border: 1px solid rgba(43, 173, 224, 0.22);
  border-radius: var(--radius);
  padding: 8px 0;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: var(--transition);
  z-index: 1200;
}
.sotekgroup-wrap:hover .dropdown-sotekgroup,
.sotekgroup-wrap:focus-within .dropdown-sotekgroup {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-sotekgroup-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: var(--transition-fast);
}
.dropdown-sotekgroup-link:hover {
  background: rgba(43, 173, 224, 0.12);
  color: var(--brand);
}
.dropdown-sotekgroup-link .arrow {
  font-size: 0.95rem;
  line-height: 1;
  color: var(--brand);
  flex-shrink: 0;
}

/* Header CTA */
.header-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-phone {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 0.88rem;
  font-weight: 500;
}
.header-phone .phone-icon {
  width: 32px; height: 32px;
  background: rgba(255,255,255,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile menu is hidden by default so it never appears on desktop */
.mobile-menu { display: none !important; }

/* Mobile nav link sizing — defined outside breakpoint so size is
   always correct even if display:none is overridden externally */
.mobile-nav-link {
  font-size: 0.82rem;
  line-height: 1.35;
  padding: 7px 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #060D1F 0%, #0B2447 45%, #163566 100%);
}
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(25,167,206,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(247,151,30,0.06) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.025'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(25,167,206,0.12) 0%, transparent 70%);
  top: -100px; right: -100px;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 150px 0 80px;
  width: 100%;
}
.hero-text { max-width: 580px; }
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(247,151,30,0.15);
  border: 1px solid rgba(247,151,30,0.3);
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 22px;
}
.hero-label::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.18;
  margin-bottom: 22px;
}
.hero h1 .highlight {
  color: var(--gold);
  position: relative;
  display: inline-block;
}
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  line-height: 1.75;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats {
  display: flex;
  gap: 32px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat .num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.hero-stat .num span { color: var(--gold); }
.hero-stat .lbl {
  display: block;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
  font-weight: 500;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition);
}
.hero-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(247,151,30,0.3);
  transform: translateX(-4px);
}
.hero-card .card-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}
.hero-card h3 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 6px;
}
.hero-card p {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  margin: 0;
  line-height: 1.5;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.45);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-wheel {
  width: 24px; height: 38px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel::before {
  content: '';
  width: 3px; height: 8px;
  background: rgba(255,255,255,0.5);
  border-radius: 2px;
  animation: scrollAnim 1.8s ease infinite;
}
@keyframes scrollAnim {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--electric));
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 64px; height: 64px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
}
.service-icon.navy-bg { background: rgba(11,36,71,0.08); }
.service-icon.gold-bg { background: rgba(247,151,30,0.1); }
.service-icon.electric-bg { background: rgba(25,167,206,0.1); }

.service-card h3 { margin-bottom: 12px; font-size: 1.25rem; }
.service-card p { font-size: 0.92rem; margin-bottom: 20px; }
.service-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--navy);
  font-size: 0.88rem;
  font-weight: 600;
}
.service-card .read-more:hover { color: var(--gold); gap: 10px; }

.service-features { margin: 16px 0; }
.service-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 4px 0;
}
.service-features li::before {
  content: '✓';
  width: 18px; height: 18px;
  background: var(--green);
  color: #fff;
  border-radius: 50%;
  font-size: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.why-section { background: var(--bg-light); }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.why-content h2 { margin-bottom: 18px; }
.why-content .intro { font-size: 1.05rem; margin-bottom: 36px; }
.why-items { display: flex; flex-direction: column; gap: 22px; }
.why-item { display: flex; gap: 18px; }
.why-item-icon {
  width: 50px; height: 50px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  color: #fff;
  box-shadow: 0 4px 12px rgba(11,36,71,0.25);
}
.why-item-text h4 { margin-bottom: 5px; font-size: 1rem; }
.why-item-text p { font-size: 0.88rem; margin: 0; }

.why-visual { position: relative; }
.stats-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.stat-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-card .stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-card .stat-num span { color: var(--gold); }
.stat-card .stat-lbl {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.stat-card.highlight {
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  color: #fff;
}
.stat-card.highlight .stat-num { color: var(--gold); }
.stat-card.highlight .stat-num span { color: #fff; }
.stat-card.highlight .stat-lbl { color: rgba(255,255,255,0.7); }

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  background: var(--bg-white);
  border: 1px solid var(--border);
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-img {
  height: 200px;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}
.project-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.4));
}
.project-body { padding: 22px; }
.project-cat {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.project-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.project-card p { font-size: 0.85rem; margin-bottom: 14px; }
.project-meta {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.project-meta span { display: flex; align-items: center; gap: 4px; }

/* ============================================================
   PROCESS SECTION
   ============================================================ */
.process-section { background: var(--navy-dark); }
.process-section .section-header h2 { color: #fff; }
.process-section .section-header .subtitle { color: rgba(255,255,255,0.6); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 36px; left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--electric));
  z-index: 0;
}
.process-step { text-align: center; position: relative; z-index: 1; }
.step-num {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 16px;
  box-shadow: 0 4px 20px rgba(247,151,30,0.4);
}
.process-step h4 { color: #fff; font-size: 0.92rem; margin-bottom: 8px; }
.process-step p { color: rgba(255,255,255,0.55); font-size: 0.8rem; margin: 0; }

/* ============================================================
   TESTIMONIALS / TRUST
   ============================================================ */
.trust-section { background: var(--bg-light); }
.cert-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}
.cert-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}
.cert-item:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.cert-item .icon { font-size: 1.5rem; }

/* ============================================================
   NEWS / BLOG SECTION
   ============================================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.news-img {
  height: 180px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.news-body { padding: 22px; }
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.news-cat {
  background: rgba(247,151,30,0.12);
  color: var(--gold-dark);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
}
.news-card h3 { font-size: 1rem; margin-bottom: 10px; line-height: 1.45; }
.news-card h3 a:hover { color: var(--navy); }
.news-card p { font-size: 0.84rem; margin-bottom: 14px; }
.news-card .read-more {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.news-card .read-more:hover { color: var(--gold); }

/* ============================================================
   CONTACT CTA
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-inner {
  position: relative;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 { color: #fff; margin-bottom: 16px; }
.cta-inner p { color: rgba(255,255,255,0.7); font-size: 1.05rem; margin-bottom: 36px; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-contact-info {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.8);
  font-size: 0.92rem;
}
.cta-contact-item .icon {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .site-logo { margin-bottom: 18px; }
.footer-desc { font-size: 0.88rem; line-height: 1.7; margin-bottom: 22px; }
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: var(--transition-fast);
  border: 1px solid rgba(255,255,255,0.1);
}
.social-link:hover {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
  transform: translateY(-2px);
}

.footer-col h4 {
  color: #fff;
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.82rem;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-links a::before {
  content: '›';
  color: var(--gold);
  font-size: 1.1rem;
  line-height: 1;
}

.footer-contact-items { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-item {
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
}
.footer-contact-item .icon {
  width: 30px; height: 30px;
  background: rgba(247,151,30,0.15);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  color: var(--gold);
}
.footer-contact-item a { color: rgba(255,255,255,0.65); }
.footer-contact-item a:hover { color: var(--gold); }

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--gold); }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, #0a2a52 0%, #134078 55%, #1a5a8a 100%);
  padding: 170px 0 70px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-content { position: relative; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 18px;
}
.breadcrumb a { color: rgba(255,255,255,0.55); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { opacity: 0.4; }
.breadcrumb .current { color: var(--gold); }
.page-hero h1 { color: #fff; margin-bottom: 14px; }
.page-hero .subtitle { color: rgba(255,255,255,0.7); font-size: 1.1rem; max-width: 600px; }

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */
.product-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.product-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}
.product-img-placeholder {
  height: 380px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  border-radius: var(--radius-lg);
  position: relative;
}
.product-img-placeholder .overlay-text {
  position: absolute;
  bottom: 20px; left: 20px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.product-info h2 { margin-bottom: 18px; }
.product-info p { margin-bottom: 18px; }
.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 24px 0;
}
.spec-item {
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  border-left: 3px solid var(--navy);
}
.spec-item .spec-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 3px;
}
.spec-item .spec-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Feature list */
.feature-list { display: flex; flex-direction: column; gap: 10px; margin: 20px 0; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}
.feature-list li .check {
  width: 22px; height: 22px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.65rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 50px;
}
.contact-info-panel { }
.contact-info-card {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: var(--radius-lg);
  padding: 36px;
  color: #fff;
  margin-bottom: 24px;
}
.contact-info-card h3 { color: #fff; margin-bottom: 24px; }
.contact-detail-items { display: flex; flex-direction: column; gap: 20px; }
.contact-detail-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-detail-icon {
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-detail-text { flex: 1; }
.contact-detail-text label {
  display: block;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.contact-detail-text span, .contact-detail-text a {
  color: rgba(255,255,255,0.9);
  font-size: 0.92rem;
  line-height: 1.5;
}
.contact-detail-text a:hover { color: var(--gold); }

.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  background: var(--bg-white);
  height: 280px;
}
.map-embed iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}
.map-placeholder {
  background: var(--bg-gray);
  border-radius: var(--radius-lg);
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.88rem;
  border: 2px dashed var(--border);
}
.map-placeholder .icon { font-size: 2.5rem; }

.contact-quick-link {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--navy);
  transition: var(--transition-fast);
}
.contact-quick-link:hover {
  color: var(--brand);
}

/* Contact Form */
.contact-form-panel {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.contact-form-panel h3 { margin-bottom: 8px; }
.contact-form-panel .form-intro { font-size: 0.9rem; margin-bottom: 28px; }

.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 7px;
}
.form-group label .req { color: var(--red); margin-left: 2px; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-primary);
  background: var(--bg-white);
  transition: var(--transition-fast);
  outline: none;
}
.form-control:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(11,36,71,0.08);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 130px; }
select.form-control { cursor: pointer; }

.form-submit { text-align: right; margin-top: 10px; }
.contact-form-message {
  display: none;
  margin: 16px 0 0;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.5;
}
.contact-form-message.is-visible { display: block; }
.contact-form-message.is-success {
  background: rgba(39, 174, 96, 0.1);
  border: 1px solid rgba(39, 174, 96, 0.25);
  color: #1e7e45;
}
.contact-form-message.is-error {
  background: rgba(231, 76, 60, 0.08);
  border: 1px solid rgba(231, 76, 60, 0.22);
  color: #c0392b;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-image-block {
  position: relative;
}
.about-img-main {
  position: relative;
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 10;
  min-height: 280px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #0a1628;
}
.about-image-block .about-img-main > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: center 40%;
  display: block;
  border: 0;
  border-radius: 0;
}
.about-badge-float {
  position: absolute;
  bottom: 0;
  left: 0;
  transform: translate(-35%, 40%);
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 16px 22px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 1px solid var(--border);
  z-index: 3;
  min-width: 130px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.about-badge-float .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 100%;
}
.about-badge-float .num span { color: var(--gold); }
.about-badge-float .lbl {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 4px;
  width: 100%;
  text-align: center;
}

.about-text h2 { margin-bottom: 18px; }

/* Legal docs on about page */
.legal-docs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 40px;
}
.legal-doc-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.legal-doc-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.legal-doc-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(43,173,224,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}
.legal-doc-head h3 {
  margin: 0 0 4px;
  font-size: 1.15rem;
  color: var(--navy);
}
.legal-doc-head p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.legal-doc-frame {
  position: relative;
  width: 100%;
  height: 420px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-gray);
}
.legal-doc-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.legal-doc-frame--pending {
  display: flex;
  align-items: center;
  justify-content: center;
}
.legal-doc-placeholder {
  text-align: center;
  padding: 24px;
  color: var(--text-secondary);
}
.legal-doc-placeholder span {
  display: block;
  font-size: 2.2rem;
  margin-bottom: 10px;
}
.legal-doc-placeholder strong {
  display: block;
  color: var(--navy);
  font-size: 1rem;
  margin-bottom: 6px;
}
.legal-doc-placeholder p {
  margin: 0;
  font-size: 0.88rem;
}
.legal-doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 900px) {
  .legal-docs-grid { grid-template-columns: 1fr; }
  .legal-doc-frame { height: 360px; }
}
.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}
.value-item {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 16px;
  border-left: 4px solid var(--navy);
}
.value-item h5 { margin-bottom: 5px; font-size: 0.92rem; }
.value-item p { font-size: 0.82rem; margin: 0; }

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  text-align: center;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.team-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 16px;
  border: 3px solid var(--border);
}
.team-card h4 { font-size: 1rem; margin-bottom: 4px; }
.team-card .role { font-size: 0.8rem; color: var(--gold-dark); font-weight: 600; }
.team-card .bio { font-size: 0.82rem; color: var(--text-secondary); margin-top: 10px; }

/* Timeline */
.timeline { position: relative; max-width: 750px; margin: 0 auto; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--navy), var(--electric));
  transform: translateX(-50%);
}
.timeline-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  align-items: center;
}
.timeline-item:nth-child(even) .timeline-content { grid-column: 2; }
.timeline-item:nth-child(even) .timeline-year { grid-column: 1; grid-row: 1; text-align: right; }
.timeline-year {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  text-align: right;
}
.timeline-content {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  box-shadow: var(--shadow-xs);
}
.timeline-content h4 { margin-bottom: 6px; font-size: 1rem; }
.timeline-content p { font-size: 0.85rem; margin: 0; }
.timeline-dot {
  position: absolute;
  top: 50%;
  right: -28px;
  width: 14px; height: 14px;
  background: var(--gold);
  border-radius: 50%;
  transform: translateY(-50%);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--gold);
}
.timeline-item:nth-child(even) .timeline-content .timeline-dot {
  right: auto;
  left: -28px;
}

/* ============================================================
   PROJECTS PAGE
   ============================================================ */
.filter-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}
.filter-tab {
  padding: 9px 20px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}
.filter-tab:hover, .filter-tab.active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.projects-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-white { color: #fff; }
.text-navy { color: var(--navy); }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-2 { gap: 16px; }
.divider { height: 1px; background: var(--border); margin: 40px 0; }
.bg-light { background: var(--bg-light); }
.bg-navy { background: var(--navy); }
.rounded { border-radius: var(--radius); }
.shadow { box-shadow: var(--shadow); }

/* Fade-in animation */
.fade-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.js .fade-in {
  opacity: 0;
  transform: translateY(30px);
}
.js .fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in.delay-1 { transition-delay: 0.1s; }
.fade-in.delay-2 { transition-delay: 0.2s; }
.fade-in.delay-3 { transition-delay: 0.3s; }
.fade-in.delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .header-inner { gap: 12px; }
  .main-nav { gap: 0; }
  .nav-link { padding: 8px 10px; font-size: 0.78rem; }
  .logo-img { height: 52px; max-width: 180px; }
  .header-inner { height: 88px; }
  .header-topbar-hotline { font-size: 0.78rem; }
  .header-cta { gap: 8px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .process-steps::before { display: none; }
}

@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; padding: 100px 0 60px; }
  .hero-visual { order: -1; }
  .hero-card { padding: 18px; }
  .why-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .product-intro { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-masonry { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .header-inner { height: 74px; }
  .header-cta .btn { display: none; }
  .logo-img { height: 46px; max-width: 46vw; }
  .nav-toggle { display: flex; }
  .mobile-menu {
    display: none;
    position: fixed;
    top: 112px; left: 0; right: 0;
    background: rgba(6,13,31,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    z-index: 999;
  }
  .mobile-menu.open { display: block !important; }
  .mobile-nav-links { display: flex; flex-direction: column; gap: 0; }
  .mobile-nav-link {
    color: rgba(255,255,255,0.85);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .mobile-nav-link:hover { color: var(--gold); }
  .mobile-nav-sub {
    padding-left: 18px;
    display: none;
  }
  .mobile-nav-sub.open { display: block; }
  .section { padding: 56px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  .stats-card-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-badge-float { transform: translate(0, 35%); left: 12px; padding: 12px 18px; min-width: 110px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-panel { padding: 24px; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .projects-masonry { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .product-specs { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .logo-img { height: 42px; max-width: 50vw; }
  .btn { white-space: normal; text-align: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  .hero h1 { font-size: 1.9rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-contact-info { flex-direction: column; align-items: center; gap: 16px; }
  .team-grid { grid-template-columns: 1fr; }
  .stats-card-grid { grid-template-columns: 1fr; }
  .cert-item { width: 100%; }
  .process-steps { grid-template-columns: 1fr; }
  .timeline::before { left: 20px; }
  .timeline-item { grid-template-columns: 1fr; gap: 10px; padding-left: 40px; }
  .timeline-year { text-align: left; font-size: 1.5rem; }
  .timeline-content .timeline-dot { right: auto; left: -40px; }
  .timeline-item:nth-child(even) .timeline-content { grid-column: 1; }
  .timeline-item:nth-child(even) .timeline-year { grid-column: 1; grid-row: auto; text-align: left; }
  .footer-bottom { text-align: center; justify-content: center; }
}