/* Kervanji Holding - Main Stylesheet (Modern Edition) */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Cairo:wght@400;600;700;800;900&display=swap');

:root {
  --primary-navy: #07111D;
  --primary-red: #B11D28;
  --dark-red: #87151D;
  --accent-blue: #152235;
  --accent-cyan: #D8DDE3;
  --accent-teal: #3A4656;
  --light-gray: #F4F5F7;
  --surface-soft: #FAFAFB;
  --line: #E4E7EC;
  --white: #FFFFFF;
  --text-dark: #111827;
  --text-muted: #5F6673;
  --red-glow: rgba(177, 29, 40, 0.32);
  --shadow-sm: 0 2px 12px rgba(7, 17, 29, 0.06);
  --shadow-md: 0 14px 40px rgba(7, 17, 29, 0.10);
  --shadow-lg: 0 24px 70px rgba(7, 17, 29, 0.16);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 92px;
  --font-main: 'Poppins', sans-serif;
  --font-ar: 'Cairo', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-ar), var(--font-main);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  direction: rtl;
  text-align: right;
}

html[dir="rtl"] body,
body[dir="rtl"] { font-family: var(--font-ar), var(--font-main); }

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }

::selection { background: var(--primary-red); color: var(--white); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 { font-weight: 800; line-height: 1.25; color: var(--primary-navy); letter-spacing: 0; }
h1 { font-size: 3.4rem; font-weight: 900; }
h2 { font-size: 2.4rem; }
h3 { font-size: 1.35rem; }

.text-gradient {
  background: linear-gradient(120deg, var(--primary-red), #E04250 60%, var(--dark-red));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--primary-red);
  background: rgba(177, 29, 40, 0.08);
  border: 1px solid rgba(177, 29, 40, 0.18);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(177, 29, 40, 0.16);
}

.section-title { margin-bottom: 16px; }
.section-desc { color: var(--text-muted); max-width: 600px; font-size: 1.05rem; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header.center { margin-bottom: 50px; }
.section-header .section-desc { margin: 0 auto; }

.section-title.underline {
  position: relative;
  display: inline-block;
  padding-bottom: 16px;
  margin-bottom: 0;
}
.section-title.underline::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary-red), var(--dark-red));
}

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-ar), var(--font-main);
  font-size: 0.95rem;
  font-weight: 800;
  border-radius: 12px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  overflow: hidden;
}
.btn i { font-size: 0.9em; transition: transform var(--transition); }
.btn:hover i { transform: translateX(-4px); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(177, 29, 40, 0.28);
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  right: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.28), transparent);
  transform: skewX(-20deg);
  transition: right 0.55s ease;
}
.btn-primary:hover::after { right: 130%; }
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(177, 29, 40, 0.4);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-navy);
  border-color: rgba(7,17,29,0.14);
}
.btn-secondary:hover {
  background: var(--primary-navy);
  color: var(--white);
  border-color: var(--primary-navy);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(7,17,29,0.22);
}

.btn-outline {
  background: transparent;
  color: var(--primary-navy);
  border-color: rgba(7,17,29,0.18);
}
.btn-outline:hover {
  background: var(--primary-navy);
  color: var(--white);
  border-color: var(--primary-navy);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(7,17,29,0.2);
}

.btn-glass {
  background: rgba(7,17,29,0.04);
  color: var(--primary-navy);
  border-color: rgba(7,17,29,0.12);
  backdrop-filter: blur(8px);
}
.btn-glass:hover {
  background: var(--primary-navy);
  color: var(--white);
  border-color: var(--primary-navy);
  transform: translateY(-3px);
}

.btn-teal {
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-cyan));
  color: var(--white);
}
.btn-teal:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(58, 70, 86, 0.35); }

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 17px 42px; font-size: 1.02rem; border-radius: 14px; }

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition);
  background: rgba(255,255,255,0.82);
  border-bottom: 1px solid rgba(7,17,29,0.07);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
}

.navbar.scrolled {
  background: rgba(255,255,255,0.94);
  box-shadow: 0 10px 36px rgba(7, 17, 29, 0.08);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar-logo img {
  height: 76px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(7,17,29,0.08));
  transition: transform var(--transition);
}
.navbar-logo:hover img { transform: scale(1.04); }

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.navbar-menu a {
  position: relative;
  color: rgba(7,17,29,0.78);
  font-size: 0.9rem;
  font-weight: 800;
  padding: 9px 16px;
  border-radius: 10px;
  transition: all var(--transition);
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--primary-red);
  background: rgba(177,29,40,0.08);
}

.navbar-menu .navbar-cta,
.navbar-menu .navbar-cta:hover,
.navbar-menu .navbar-cta.active {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  margin-right: 12px;
  padding: 11px 24px;
  box-shadow: 0 6px 18px rgba(177,29,40,0.25);
}
.navbar-menu .navbar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(177,29,40,0.38);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary-navy);
  transition: all var(--transition);
}

.navbar-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar-toggle.active span:nth-child(2) { opacity: 0; }
.navbar-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: clamp(660px, 94vh, 920px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(900px 480px at 88% -10%, rgba(177,29,40,0.10), transparent 60%),
    radial-gradient(800px 500px at 0% 110%, rgba(7,17,29,0.08), transparent 55%),
    linear-gradient(180deg, #FDFDFE 0%, var(--surface-soft) 100%);
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(7,17,29,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7,17,29,0.045) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
  animation: orb-drift 14s ease-in-out infinite alternate;
}
.hero-orb-red {
  top: -120px;
  left: -100px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(177,29,40,0.20), transparent 65%);
}
.hero-orb-navy {
  bottom: -160px;
  right: -120px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(7,17,29,0.16), transparent 65%);
  animation-delay: -7s;
}

@keyframes orb-drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.12); }
}

/* legacy hero shapes (kept for inner pages safety) */
.hero-bg-red, .hero-bg-navy, .hero-grid, .hero-dots { display: none; }

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr 1fr;
  gap: 56px;
  align-items: center;
  padding-top: 44px;
  padding-bottom: 90px;
}

.hero-product-strip {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: -56px auto 64px;
  padding: 0 24px;
}

.hero-product-strip .products-marquee-wrap {
  margin-bottom: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 100px;
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(177,29,40,0.2);
  box-shadow: 0 6px 20px rgba(7,17,29,0.06);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 26px;
  backdrop-filter: blur(8px);
}

.hero-badge-logo {
  display: none;
  width: auto;
  object-fit: contain;
}

.pulse-dot {
  position: relative;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--primary-red);
  flex-shrink: 0;
}
.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--primary-red);
  opacity: 0.6;
  animation: pulse-ring 1.8s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}

.hero-content h1 {
  color: var(--primary-navy);
  margin-bottom: 24px;
  max-width: 760px;
}
.hero-content h1 span {
  background: linear-gradient(120deg, var(--primary-red), #D8434F 55%, var(--dark-red));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-content p {
  color: #343B47;
  font-size: 1.16rem;
  margin-bottom: 36px;
  max-width: 620px;
  line-height: 1.9;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* hero stats */
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(7,17,29,0.1);
  flex-wrap: wrap;
}
.hero-stat { display: flex; flex-direction: column; gap: 2px; }
.hero-stat strong {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary-navy);
  line-height: 1.2;
}
.hero-stat strong em {
  font-style: normal;
  color: var(--primary-red);
}
.hero-stat span { font-size: 0.85rem; color: var(--text-muted); font-weight: 600; }

/* hero visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-banner-wrap { position: relative; }

.hero-banner-wrap::before {
  content: '';
  position: absolute;
  inset: 8% 4%;
  background: radial-gradient(circle, rgba(177,29,40,0.16), transparent 70%);
  filter: blur(40px);
  z-index: 0;
}

.hero-banner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  height: auto;
  filter: drop-shadow(0 26px 56px rgba(7,17,29,0.18));
  animation: float 5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.float-chip {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(7,17,29,0.08);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(7,17,29,0.14);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--primary-navy);
  backdrop-filter: blur(10px);
  white-space: nowrap;
  animation: float 6s ease-in-out infinite;
}
.float-chip i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  color: var(--white);
  font-size: 0.8rem;
  box-shadow: 0 6px 14px rgba(177,29,40,0.3);
}
.float-chip.chip-1 { top: 6%; right: -4%; animation-delay: -1.2s; }
.float-chip.chip-2 { bottom: 18%; left: -7%; animation-delay: -3s; }
.float-chip.chip-3 { bottom: -3%; right: 10%; animation-delay: -4.5s; }
.float-chip.chip-3 i { background: linear-gradient(135deg, var(--primary-navy), var(--accent-blue)); box-shadow: 0 6px 14px rgba(7,17,29,0.3); }

/* Page Hero (inner pages) */
.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + 76px) 0 80px;
  background:
    radial-gradient(700px 360px at 85% 0%, rgba(177,29,40,0.12), transparent 60%),
    radial-gradient(600px 360px at 8% 100%, rgba(7,17,29,0.10), transparent 55%),
    linear-gradient(180deg, #FDFDFE, var(--surface-soft));
  color: var(--primary-navy);
  text-align: center;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(7,17,29,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7,17,29,0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 75% 90% at 50% 0%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 75% 90% at 50% 0%, #000 25%, transparent 78%);
  pointer-events: none;
}

.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--primary-navy); margin-bottom: 16px; font-size: 2.9rem; }
.page-hero p { color: var(--text-muted); max-width: 680px; margin: 0 auto; font-size: 1.1rem; }

/* Sections */
section { padding: 100px 0; }
section.bg-light { background: var(--light-gray); }
section.bg-navy {
  background: linear-gradient(135deg, var(--primary-navy), #111D2F);
  color: var(--white);
}
section.bg-navy h2, section.bg-navy h3 { color: var(--white); }

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}

.card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--line);
  position: relative;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(177,29,40,0.24);
}

.card-image {
  height: 200px;
  background:
    radial-gradient(280px 160px at 80% 10%, rgba(177,29,40,0.09), transparent 65%),
    radial-gradient(280px 160px at 15% 90%, rgba(7,17,29,0.07), transparent 65%),
    var(--surface-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.card-image img {
  max-height: 140px;
  width: auto;
  object-fit: contain;
  transition: transform 0.45s ease;
}
.card:hover .card-image img { transform: scale(1.07); }

.card-body { padding: 28px; }
.card-body h3 { margin-bottom: 8px; font-size: 1.2rem; }
.card-tagline { color: var(--primary-red); font-size: 0.92rem; font-weight: 800; margin-bottom: 12px; }
.card-body p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 20px; line-height: 1.7; }
.card-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }

.tag {
  display: inline-block;
  padding: 5px 14px;
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: 100px;
  background: rgba(7,17,29,0.06);
  color: var(--accent-blue);
}

.tag-red { background: rgba(177, 29, 40, 0.1); color: var(--primary-red); }
.tag-teal { background: rgba(177,29,40,0.10); color: var(--primary-red); }

/* Compact Product Cards (home) */
.products-marquee-wrap {
  margin-bottom: 44px;
  position: relative;
}

.products-marquee {
  direction: ltr;
  overflow: hidden;
  padding: 14px 0 18px;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 14%, #000 86%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 14%, #000 86%, transparent);
}

.products-marquee-track {
  direction: ltr;
  display: flex;
  align-items: center;
  gap: 22px;
  width: max-content;
  animation: products-marquee 38s linear infinite;
  will-change: transform;
}

.products-marquee:hover .products-marquee-track {
  animation-play-state: running;
}

@keyframes products-marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-app {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  background: transparent;
  border: 0;
  border-radius: 10px;
  box-shadow: none;
  transition: all var(--transition);
}

.marquee-app:hover {
  transform: translateY(-3px) scale(1.03);
}

.marquee-app-logo {
  width: 66px;
  height: 66px;
  border-radius: 8px;
  background: transparent;
  border: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  box-shadow: none;
  transition: transform var(--transition);
}

.marquee-app:hover .marquee-app-logo {
  transform: rotate(-4deg) scale(1.06);
}

.marquee-app-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter:
    drop-shadow(0 10px 18px rgba(7,17,29,0.16))
    drop-shadow(0 0 16px rgba(177,29,40,0.26));
}

.products-compact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}

.product-compact {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  overflow: hidden;
}

.product-compact::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary-red), var(--dark-red));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}

.product-compact:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(177,29,40,0.22);
}
.product-compact:hover::before { transform: scaleY(1); }

.product-compact-logo {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 9px;
  transition: transform var(--transition);
}
.product-compact:hover .product-compact-logo { transform: scale(1.08) rotate(-3deg); }
.product-compact-logo img { max-width: 100%; max-height: 100%; object-fit: contain; }

.product-compact-body h3 { font-size: 1.05rem; margin-bottom: 6px; }
.product-compact-body p {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.services-grid.six {
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.services-grid.six .service-card { text-align: center; padding: 36px 24px; }
.services-grid.six .service-icon { margin: 0 auto 20px; }
.services-grid.six .service-card h3 { font-size: 1.08rem; }
.services-grid.six .service-card p { font-size: 0.87rem; }

.service-card {
  position: relative;
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  transition: all var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-red), var(--dark-red));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.service-card::after {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(177,29,40,0.07), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(177,29,40,0.22);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover::after { opacity: 1; }

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(177,29,40,0.12), rgba(7,17,29,0.06));
  border: 1px solid rgba(177,29,40,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  color: var(--primary-red);
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  color: var(--white);
  transform: rotate(-6deg) scale(1.06);
  box-shadow: 0 10px 24px rgba(177,29,40,0.3);
  border-color: transparent;
}

.service-icon svg {
  width: 28px;
  height: 28px;
  color: inherit;
}
.service-icon i { font-size: 1.45rem; }

.service-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.9rem; }

/* Why Us */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
}

.why-card {
  position: relative;
  text-align: center;
  padding: 44px 26px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  transition: all var(--transition);
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 0;
  background: linear-gradient(180deg, rgba(177,29,40,0.05), transparent);
  transition: height 0.4s ease;
}

.why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(177,29,40,0.2); }
.why-card:hover::before { height: 100%; }

.why-icon {
  position: relative;
  width: 74px;
  height: 74px;
  margin: 0 auto 22px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--primary-navy), var(--primary-red));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--white);
  box-shadow: 0 12px 28px rgba(177,29,40,0.25);
  transition: transform var(--transition);
}
.why-card:hover .why-icon { transform: rotate(-8deg) scale(1.08); }

.why-card h3 { margin-bottom: 10px; font-size: 1.1rem; position: relative; }
.why-card p { color: var(--text-muted); font-size: 0.9rem; position: relative; }

/* About Preview (home) */
.about-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 70px;
  align-items: center;
}

.about-visual {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.about-visual img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 4px solid var(--white);
}
.about-visual img:first-child { margin-top: 44px; }

.about-exp-badge {
  position: absolute;
  bottom: -22px;
  inset-inline-start: 50%;
  transform: translateX(50%);
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--primary-navy);
  color: var(--white);
  padding: 16px 26px;
  border-radius: 16px;
  box-shadow: 0 18px 44px rgba(7,17,29,0.3);
  white-space: nowrap;
  z-index: 2;
}
.about-exp-badge i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  font-size: 1.1rem;
}
.about-exp-badge strong { display: block; font-size: 1.25rem; line-height: 1.2; }
.about-exp-badge span { font-size: 0.78rem; opacity: 0.8; }

.about-checklist { margin: 26px 0 34px; display: grid; gap: 14px; }
.about-checklist li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--text-dark);
  font-size: 0.97rem;
}
.about-checklist li i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(177,29,40,0.1);
  color: var(--primary-red);
  font-size: 0.72rem;
  flex-shrink: 0;
}

/* Process Steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-card {
  position: relative;
  padding: 36px 26px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  backdrop-filter: blur(6px);
}

.process-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(177,29,40,0.5);
  transform: translateY(-6px);
}

.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 900;
  margin-bottom: 20px;
  box-shadow: 0 10px 26px rgba(177,29,40,0.35);
}

.process-card h3 { color: var(--white); font-size: 1.1rem; margin-bottom: 10px; }
.process-card p { color: rgba(255,255,255,0.65); font-size: 0.88rem; line-height: 1.7; }

.process-card .process-icon {
  position: absolute;
  top: 28px;
  inset-inline-end: 26px;
  font-size: 1.6rem;
  color: rgba(255,255,255,0.14);
  transition: all var(--transition);
}
.process-card:hover .process-icon { color: rgba(177,29,40,0.65); transform: scale(1.15); }

/* CTA Section */
.cta-section {
  padding: 110px 0;
  background: linear-gradient(135deg, var(--primary-navy) 0%, #101B2A 68%, var(--dark-red) 100%);
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(540px 320px at 85% 20%, rgba(177,29,40,0.34), transparent 65%),
    radial-gradient(rgba(255,255,255,0.14) 1.4px, transparent 1.4px);
  background-size: auto, 20px 20px;
  opacity: 0.4;
}

.cta-section::after {
  content: '';
  position: absolute;
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 280px;
  background: radial-gradient(ellipse, rgba(177,29,40,0.3), transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { color: var(--white); margin-bottom: 16px; font-size: 2.5rem; }
.cta-section p { opacity: 0.85; max-width: 600px; margin: 0 auto 36px; font-size: 1.08rem; }

/* About Sections */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image-card img { width: 100%; height: 420px; object-fit: cover; }
.about-image-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 55%, rgba(7,17,29,0.55));
}

.mv-cards { display: grid; gap: 22px; }
.mv-card {
  display: flex;
  gap: 18px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.mv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(177,29,40,0.2); }
.mv-card-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary-navy), var(--primary-red));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 10px 24px rgba(177,29,40,0.22);
}
.mv-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.mv-card p { color: var(--text-muted); font-size: 0.93rem; line-height: 1.8; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.value-card {
  position: relative;
  padding: 30px 28px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  border-inline-start: 4px solid var(--primary-red);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.value-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }

.value-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.value-card p { color: var(--text-muted); font-size: 0.9rem; }

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.tech-tag {
  padding: 11px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--primary-navy);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.tech-tag:hover {
  background: var(--primary-red);
  color: var(--white);
  border-color: var(--primary-red);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(177,29,40,0.3);
}

/* Portfolio Filter */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.filter-tab {
  padding: 11px 26px;
  border: 2px solid rgba(7,17,29,0.1);
  border-radius: 100px;
  background: var(--white);
  font-family: var(--font-ar), var(--font-main);
  font-size: 0.85rem;
  font-weight: 800;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-muted);
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--primary-red);
  color: var(--white);
  border-color: var(--primary-red);
  box-shadow: 0 8px 20px rgba(177,29,40,0.28);
  transform: translateY(-2px);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.contact-info-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(177,29,40,0.2);
}

.contact-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-navy), var(--primary-red));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
  color: var(--white);
  box-shadow: 0 8px 20px rgba(177,29,40,0.22);
}

.contact-info-item h4 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-info-item p, .contact-info-item a { color: var(--text-muted); font-size: 0.9rem; }
.contact-info-item a:hover { color: var(--primary-red); }

.social-links { display: flex; gap: 12px; margin-top: 28px; }

.social-link {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
  color: var(--primary-navy);
  box-shadow: var(--shadow-sm);
}

.social-link:hover {
  background: var(--primary-red);
  border-color: var(--primary-red);
  color: var(--white);
  transform: translateY(-4px) rotate(-6deg);
  box-shadow: 0 12px 26px rgba(177,29,40,0.32);
}

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  background: #25D366;
  color: var(--white);
  border-radius: 14px;
  font-weight: 800;
  margin-top: 20px;
  transition: all var(--transition);
  box-shadow: 0 10px 26px rgba(37,211,102,0.3);
}

.whatsapp-btn:hover { background: #1da851; transform: translateY(-3px); box-shadow: 0 14px 32px rgba(37,211,102,0.4); }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary-navy);
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid rgba(7,17,29,0.10);
  border-radius: 12px;
  font-family: var(--font-ar), var(--font-main);
  font-size: 0.95rem;
  transition: all var(--transition);
  background: var(--surface-soft);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-red);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(177,29,40,0.12);
}

textarea.form-control { resize: vertical; min-height: 120px; }

select.form-control { cursor: pointer; }

.contact-form-card {
  background: var(--white);
  padding: 44px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.contact-form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-red), var(--primary-navy));
}

/* Product Page */
.product-hero {
  position: relative;
  padding: calc(var(--nav-height) + 70px) 0 90px;
  background:
    radial-gradient(700px 400px at 90% 0%, rgba(177,29,40,0.12), transparent 60%),
    radial-gradient(600px 380px at 5% 100%, rgba(7,17,29,0.10), transparent 55%),
    linear-gradient(180deg, #FDFDFE, var(--surface-soft));
  color: var(--primary-navy);
  overflow: hidden;
}

.product-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(7,17,29,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7,17,29,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, #000 25%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, #000 25%, transparent 80%);
  pointer-events: none;
  transform: none;
}

.product-hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.product-hero h1 { color: var(--primary-navy); margin-bottom: 12px; }
.product-hero .tagline { color: var(--primary-red); font-size: 1.1rem; font-weight: 800; margin-bottom: 20px; }
.product-hero p { color: var(--text-muted); line-height: 1.8; }

.product-hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 44px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.product-hero-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-red), var(--primary-navy));
}

.product-hero-image img { max-height: 200px; width: auto; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.feature-item {
  display: flex;
  gap: 14px;
  padding: 22px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  transition: all var(--transition);
}

.feature-item:hover {
  border-color: rgba(177,29,40,0.28);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-check {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  box-shadow: 0 6px 14px rgba(177,29,40,0.28);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.benefit-card {
  position: relative;
  padding: 34px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  transition: all var(--transition);
  overflow: hidden;
}
.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-red), transparent);
  opacity: 0.7;
}
.benefit-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(177,29,40,0.22); }

.benefit-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.benefit-card p { color: var(--text-muted); font-size: 0.9rem; }

.availability-badges { display: flex; gap: 12px; flex-wrap: wrap; }

.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 100px;
  font-weight: 800;
  font-size: 0.9rem;
}

.badge-online { background: rgba(177,29,40,0.1); color: var(--primary-red); border: 1px solid rgba(177,29,40,0.22); }
.badge-offline { background: rgba(7,17,29,0.07); color: var(--accent-blue); border: 1px solid rgba(7,17,29,0.15); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.gallery-item {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--light-gray), #E7EAF0);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 700;
  overflow: hidden;
  border: 1px solid var(--line);
  transition: all var(--transition);
}
.gallery-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.06); }

.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--white);
  transition: all var(--transition);
}
.faq-item.open { border-color: rgba(177,29,40,0.3); box-shadow: var(--shadow-sm); }

.faq-question {
  width: 100%;
  padding: 22px 26px;
  background: var(--white);
  border: none;
  text-align: right;
  font-family: var(--font-ar), var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}

.faq-question:hover { background: var(--surface-soft); }
.faq-question .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(177,29,40,0.1);
  color: var(--primary-red);
  transition: all var(--transition);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.faq-item.open .faq-question .icon { transform: rotate(45deg); background: var(--primary-red); color: var(--white); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.faq-answer-inner {
  padding: 0 26px 22px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer { max-height: 300px; }

.pricing-card {
  max-width: 400px;
  margin: 0 auto;
  padding: 44px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 2px solid rgba(177,29,40,0.18);
}

.pricing-card h3 { margin-bottom: 8px; }
.pricing-card .price { font-size: 2rem; font-weight: 900; color: var(--primary-red); margin: 16px 0; }
.pricing-card p { color: var(--text-muted); margin-bottom: 24px; }

/* Footer */
.footer {
  position: relative;
  background:
    radial-gradient(620px 300px at 90% 0%, rgba(177,29,40,0.14), transparent 60%),
    var(--primary-navy);
  color: rgba(255,255,255,0.8);
  padding: 90px 0 0;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-red), var(--primary-navy) 55%, var(--primary-red));
}

.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 44px;
  margin-bottom: 64px;
}

.footer-brand img { height: 52px; margin-bottom: 18px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; opacity: 0.78; max-width: 320px; }

.footer-social { display: flex; gap: 10px; margin-top: 22px; }
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--primary-red);
  border-color: var(--primary-red);
  color: var(--white);
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(177,29,40,0.4);
}

.footer h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}
.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
  width: 32px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary-red);
}

.footer-links li { margin-bottom: 12px; }
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  opacity: 0.78;
  transition: all var(--transition);
}
.footer-links a::before {
  content: '\2190';
  font-size: 0.7rem;
  color: var(--primary-red);
  opacity: 0;
  transform: translateX(6px);
  transition: all var(--transition);
}
.footer-links a:hover { opacity: 1; color: var(--white); }
.footer-links a:hover::before { opacity: 1; transform: translateX(0); }

.footer-links i { color: var(--primary-red); width: 18px; text-align: center; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 26px 0;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.65;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 28px;
  inset-inline-start: 28px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 12px 30px rgba(177,29,40,0.38);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all var(--transition);
  z-index: 900;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
  .products-marquee-track { transform: none !important; flex-wrap: wrap; width: 100%; justify-content: center; }
}

/* Alert */
.alert {
  padding: 14px 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  font-weight: 700;
}

.alert-success { background: rgba(34, 154, 96, 0.1); color: #1d7a4d; border: 1px solid rgba(34,154,96,0.35); }
.alert-error { background: rgba(185, 5, 25, 0.08); color: var(--primary-red); border: 1px solid rgba(177,29,40,0.4); }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.85rem;
  margin-bottom: 20px;
  opacity: 0.85;
  font-weight: 700;
}
.breadcrumb a:hover { color: var(--primary-red); }
.breadcrumb span { opacity: 0.5; }

/* Responsive */
@media (max-width: 1024px) {
  .hero .container,
  .product-hero .container,
  .about-grid,
  .about-preview-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }

  h1 { font-size: 2.7rem; }
  h2 { font-size: 2rem; }
  .page-hero h1 { font-size: 2.3rem; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-visual { order: -1; }
  .services-grid.six { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .about-exp-badge { position: static; transform: none; margin-top: 20px; grid-column: 1 / -1; justify-content: center; }
  .float-chip.chip-2 { left: 0; }
  .float-chip.chip-1 { right: 0; }
}

@media (max-width: 920px) {
  .navbar-menu .navbar-cta { display: none; }
}

@media (max-width: 768px) {
  section { padding: 70px 0; }
  :root { --nav-height: 58px; }

  .navbar {
    overflow: visible;
  }

  .navbar .container {
    overflow: visible;
  }

  .navbar-logo {
    display: flex;
    align-items: center;
    height: var(--nav-height);
    overflow: visible;
  }

  .navbar-logo img {
    height: 112px;
    max-width: 300px;
    margin-top: 12px;
  }

  .navbar-toggle { display: flex; }

  .navbar-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    transform: translateY(-130%);
    opacity: 0;
    transition: all var(--transition);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }

  .navbar-menu.open {
    transform: translateY(0);
    opacity: 1;
  }

  .navbar-menu a { width: 100%; text-align: center; padding: 14px; }

  .hero {
    min-height: auto;
    align-items: stretch;
    justify-content: flex-start;
    background:
      linear-gradient(180deg, rgba(177,29,40,0.06), transparent 42%),
      radial-gradient(420px 260px at 50% 12%, rgba(177,29,40,0.12), transparent 62%),
      linear-gradient(180deg, #FFFFFF 0%, #F6F7F9 100%);
  }

  .hero-grid-pattern {
    background-size: 38px 38px;
    opacity: 0.85;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
    mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  }

  .hero .container {
    gap: 28px;
    padding-top: 20px;
    padding-bottom: 22px;
  }

  .hero-product-strip {
    margin: 0 auto 44px;
    padding: 0 16px;
  }

  .hero-product-strip .products-marquee-wrap {
    margin-inline: -16px;
    margin-bottom: 0;
  }

  .hero-visual {
    width: 100%;
    justify-content: center;
  }

  .hero-banner-wrap {
    width: min(100%, 430px);
    margin: 0 auto;
    padding: 6px 0 24px;
  }

  .hero-banner {
    max-width: 100%;
    filter: drop-shadow(0 18px 34px rgba(7,17,29,0.14));
    animation-duration: 6.5s;
  }

  .hero-banner-wrap::before {
    inset: 18% 8% 4%;
    background: radial-gradient(circle, rgba(177,29,40,0.18), transparent 66%);
    filter: blur(32px);
  }

  .hero-content {
    text-align: center;
  }

  .hero-badge {
    display: none;
    justify-content: center;
    margin: 0 auto 22px;
    max-width: 100%;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
  }

  .hero-badge .pulse-dot,
  .hero-badge-text {
    display: none;
  }

  .hero-badge-logo {
    display: block;
    height: 136px;
    max-width: min(88vw, 390px);
    opacity: 0.72;
    filter: drop-shadow(0 12px 24px rgba(7,17,29,0.12));
  }

  .hero-content h1 {
    margin: 0 auto 20px;
    max-width: 680px;
    font-size: 2.35rem;
    line-height: 1.18;
  }

  .hero-content p {
    margin: 0 auto 28px;
    max-width: 620px;
    font-size: 1.03rem;
    line-height: 1.9;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 30px;
    padding-top: 0;
    border-top: 0;
  }

  .hero-stat {
    align-items: center;
    justify-content: center;
    min-height: 92px;
    padding: 14px 10px;
    border: 1px solid rgba(7,17,29,0.08);
    border-radius: 14px;
    background: rgba(255,255,255,0.78);
    box-shadow: 0 10px 26px rgba(7,17,29,0.07);
    text-align: center;
  }

  .hero-stat strong { font-size: 1.55rem; }

  .float-chip {
    padding: 10px 13px;
    font-size: 0.78rem;
    border-radius: 13px;
    box-shadow: 0 12px 28px rgba(7,17,29,0.13);
  }

  .float-chip i {
    width: 28px;
    height: 28px;
    border-radius: 8px;
  }

  .float-chip.chip-1 {
    top: 10%;
    right: 1%;
  }

  .float-chip.chip-2 {
    display: inline-flex;
    bottom: 23%;
    left: 1%;
  }

  .float-chip.chip-3 {
    bottom: 4%;
    right: 11%;
  }

  .cards-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-form-card { padding: 28px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
  .services-grid.six { grid-template-columns: repeat(2, 1fr); }
  .about-visual img { height: 190px; }
  .device-stage { transform: scale(0.85); margin: 0 auto; }

  .products-marquee-wrap {
    margin-inline: -8px;
    margin-bottom: 28px;
  }

  .products-marquee {
    overflow-x: hidden;
    overflow-y: hidden;
    padding: 10px 8px 16px;
    -webkit-mask-image: linear-gradient(to right, transparent, #000 18%, #000 82%, transparent);
    mask-image: linear-gradient(to right, transparent, #000 18%, #000 82%, transparent);
  }

  .products-marquee::-webkit-scrollbar {
    display: none;
  }

  .products-marquee:hover .products-marquee-track { animation-play-state: running; }

  .products-marquee-track {
    width: max-content;
    gap: 14px;
    padding-inline: 4px;
    animation: products-marquee 24s linear infinite;
  }

  .marquee-app {
    width: 86px;
    min-width: 86px;
    height: 86px;
    padding: 0;
    border-radius: 9px;
  }

  .marquee-app-logo {
    width: 60px;
    height: 60px;
    border-radius: 7px;
  }

  .products-compact-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-compact {
    align-items: flex-start;
    gap: 14px;
    padding: 20px 18px;
  }

  .product-compact-logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.7rem; }
  .page-hero h1 { font-size: 1.9rem; }
  .services-grid { grid-template-columns: 1fr; }
  .services-grid.six { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .about-visual { grid-template-columns: 1fr; }
  .about-visual img:first-child { margin-top: 0; }
  .device-stage { transform: scale(0.7); }
  .navbar-menu .navbar-cta { display: inline-flex; width: 100%; }

  .hero .container {
    padding-top: 12px;
    padding-bottom: 20px;
  }

  .hero-product-strip {
    margin-bottom: 38px;
  }

  .hero-banner-wrap {
    width: min(100%, 390px);
    padding-bottom: 22px;
  }

  .hero-content h1 {
    font-size: 2.2rem;
    line-height: 1.16;
  }

  .hero-badge {
    margin-bottom: 0;
  }

  .hero-badge-logo {
    height: 126px;
    max-width: min(88vw, 360px);
  }

  .float-chip {
    gap: 8px;
    padding: 9px 11px;
    font-size: 0.72rem;
  }

  .float-chip.chip-1 {
    top: 11%;
    right: 0;
  }

  .float-chip.chip-2 {
    display: inline-flex;
    bottom: 22%;
    left: 0;
  }

  .float-chip.chip-3 {
    bottom: 3%;
    right: 8%;
  }
}