/* =========================================
   RA2 International Limited — Main Stylesheet
   Color Palette (from logo):
     Navy:        #0d1b3e
     Teal:        #0a6e84
     Green:       #2dcc54
     Green Light: #7eff5e
   ========================================= */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;600;700;800&display=swap');

/* ---- CSS Variables ---- */
:root {
  --navy:         #0d1b3e;
  --navy-mid:     #132248;
  --navy-light:   #1e3364;
  --teal:         #0a6e84;
  --teal-light:   #0fa3c0;
  --green:        #2dcc54;
  --green-light:  #7eff5e;
  --green-glow:   rgba(45, 204, 84, 0.25);
  --white:        #ffffff;
  --off-white:    #e8f0fe;
  --gray:         #94a3b8;
  --light-bg:     #f0f5ff;
  --card-bg:      rgba(255,255,255,0.04);
  --card-border:  rgba(45, 204, 84, 0.15);

  --font-main: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 30px rgba(0,0,0,0.4);
  --shadow-green: 0 0 30px rgba(45, 204, 84, 0.3);
}

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

/* ---- Utility Classes ---- */
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 100px 0; }
.text-green { color: var(--green); }
.text-teal { color: var(--teal-light); }

.section-tag {
  display: inline-block;
  background: var(--green-glow);
  border: 1px solid var(--green);
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 2.5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 560px;
}

/* ---- Animated Background Grid ---- */
.bg-grid {
  background-image:
    linear-gradient(rgba(45, 204, 84, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 204, 84, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}
#header.scrolled {
  background: #132248;
  /* background: rgba(13, 27, 62, 0.95); */
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(45, 204, 84, 0.1);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
/* Logo image in navbar */
.logo-img {
  height: 60px;
  width: auto;
  display: block;
  object-fit: contain;
  border-radius: 25%;
  filter: drop-shadow(0 0 8px rgba(45,204,84,0.3));
  transition: filter var(--transition);
}
.logo-img:hover {
  filter: drop-shadow(0 0 14px rgba(45,204,84,0.6));
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-logo-text .brand-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.nav-logo-text .brand-name span { color: var(--green); }
.nav-logo-text .brand-sub {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gray);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--off-white);
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--green);
  transition: width var(--transition);
  border-radius: 2px;
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { width: 100%; }

.btn-nav {
  background: var(--green);
  color: var(--navy) !important;
  font-weight: 700 !important;
  padding: 10px 24px;
  border-radius: 50px;
  transition: all var(--transition) !important;
  font-size: 0.875rem !important;
}
.btn-nav::after { display: none !important; }
.btn-nav:hover {
  background: var(--green-light) !important;
  box-shadow: var(--shadow-green);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Mobile Overlay ---- */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ---- Mobile Drawer (Off-Canvas) ---- */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 82%;
  max-width: 380px;
  background: var(--navy);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  box-shadow: -8px 0 30px rgba(0,0,0,0.3);
}
.mobile-drawer.open {
  transform: translateX(0);
}

/* Drawer Header */
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}
.drawer-logo img {
  height: 38px;
  width: auto;
}
.drawer-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--gray);
  transition: all 0.2s ease;
}
.drawer-close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
}

/* Drawer Body (scrollable) */
.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.drawer-body::-webkit-scrollbar { width: 3px; }
.drawer-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

/* Drawer Links */
.drawer-link {
  display: flex;
  align-items: center;
  padding: 14px 24px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  transition: all 0.2s ease;
  min-height: 48px;
}
.drawer-link:hover,
.drawer-link:active {
  color: var(--green);
  background: rgba(45, 204, 84, 0.06);
}

.drawer-divider {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: 8px 24px;
}

/* Drawer Accordion */
.drawer-accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 24px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  min-height: 48px;
  transition: all 0.2s ease;
}
.drawer-accordion-trigger:hover {
  color: var(--green);
  background: rgba(45, 204, 84, 0.06);
}
.drawer-accordion-trigger svg {
  transition: transform 0.25s ease;
  opacity: 0.5;
  flex-shrink: 0;
}
.drawer-accordion-trigger.open {
  color: var(--green);
}
.drawer-accordion-trigger.open svg {
  transform: rotate(180deg);
  opacity: 1;
}

.drawer-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(0,0,0,0.15);
}
.drawer-accordion-content.open {
  max-height: 900px;
}

.drawer-section-label {
  display: block;
  padding: 14px 28px 6px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green);
}

.drawer-accordion-content > a {
  display: flex;
  align-items: center;
  padding: 11px 28px;
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  transition: all 0.2s ease;
  min-height: 44px;
}
.drawer-accordion-content > a:hover {
  color: var(--green);
  background: rgba(45, 204, 84, 0.04);
  padding-left: 32px;
}

/* Sub Accordion (nested inside Products) */
.drawer-sub-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 11px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  min-height: 44px;
  transition: all 0.2s ease;
}
.drawer-sub-trigger:hover {
  color: var(--green);
}
.drawer-sub-trigger svg {
  transition: transform 0.25s ease;
  opacity: 0.4;
  flex-shrink: 0;
}
.drawer-sub-trigger.open svg {
  transform: rotate(180deg);
  opacity: 1;
}

.drawer-sub-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  border-left: 2px solid rgba(45, 204, 84, 0.15);
  margin-left: 28px;
}
.drawer-sub-content.open {
  max-height: 400px;
}
.drawer-sub-content a {
  display: flex;
  align-items: center;
  padding: 9px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  min-height: 40px;
  transition: all 0.2s ease;
}
.drawer-sub-content a:hover {
  color: var(--green);
  padding-left: 20px;
}

/* Drawer Footer */
.drawer-footer {
  padding: 16px 24px 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}
.drawer-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px 24px;
  background: var(--green);
  color: var(--navy) !important;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  border-radius: 14px;
  transition: all 0.2s ease;
  text-align: center;
}
.drawer-cta:hover {
  background: var(--green-light);
  box-shadow: var(--shadow-green);
  transform: translateY(-1px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
#hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-top: 80px; /* space for fixed header */
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero_background.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13,27,62,0.90) 0%,
    rgba(13,27,62,0.78) 55%,
    rgba(10,110,132,0.55) 100%
  );
}

/* Middle: grows to fill space, centers content */
.hero-body {
  flex: 1;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 60px 0 40px;
}

.hero-content {
  max-width: 780px;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.2s forwards;
}
.hero-eyebrow .line {
  width: 40px; height: 2px;
  background: var(--green);
  border-radius: 2px;
}
.hero-eyebrow span {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.4s forwards;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--green), var(--green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--off-white);
  max-width: 540px;
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.8s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 16px 36px;
  border-radius: 50px;
  transition: all var(--transition);
}
.btn-primary:hover {
  background: var(--green-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-green);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 16px 36px;
  border-radius: 50px;
  border: 1.5px solid rgba(255,255,255,0.25);
  transition: all var(--transition);
}
.btn-secondary:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-2px);
}

/* Stats bar — sticks to the bottom of the hero */
.hero-stats-bar {
  position: relative;
  z-index: 1;
  background: rgba(13, 27, 62, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(45, 204, 84, 0.15);
  padding: 24px 0;
  opacity: 0;
  animation: fadeUp 0.8s ease 1.1s forwards;
}
.hero-stats-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  min-width: 100px;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--gray);
  letter-spacing: 0.05em;
  margin-top: 5px;
  white-space: nowrap;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  flex-shrink: 0;
}

.scroll-indicator {
  position: absolute;
  bottom: 80px; /* above the stats bar */
  right: 5%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  opacity: 0;
  animation: fadeUp 0.8s ease 1.4s forwards;
}
.scroll-indicator span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--green), transparent);
  animation: scrollPulse 2s ease infinite;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
#about {
  background: var(--navy-mid);
  position: relative;
  overflow: hidden;
}
#about::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(10,110,132,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-wrap img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--green);
  color: var(--navy);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-family: var(--font-display);
  font-weight: 800;
  text-align: center;
  box-shadow: var(--shadow-green);
}
.about-badge .big-num {
  font-size: 2.2rem;
  display: block;
  line-height: 1;
}
.about-badge .small-text {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.feature-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
}
.feature-pill:hover {
  border-color: var(--green);
  background: var(--green-glow);
}
.feature-pill .icon {
  font-size: 1.2rem;
}

/* ============================================================
   PRODUCTS SECTION
   ============================================================ */
#products {
  background: var(--navy);
  position: relative;
}
#products::before {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(45,204,84,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.products-header { text-align: center; margin-bottom: 56px; }
.products-header .section-subtitle { margin: 0 auto; }

.tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50px;
  padding: 6px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.tab-btn {
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray);
  padding: 12px 32px;
  border-radius: 50px;
  transition: all var(--transition);
}
.tab-btn:hover { color: var(--white); }
.tab-btn.active {
  background: var(--green);
  color: var(--navy);
  box-shadow: var(--shadow-green);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.products-showcase {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 48px;
}
.products-showcase.reverse { direction: rtl; }
.products-showcase.reverse > * { direction: ltr; }
.showcase-image {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.showcase-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.showcase-image:hover img { transform: scale(1.04); }
.showcase-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  pointer-events: none;
}

.showcase-content .section-title { font-size: clamp(1.6rem, 2.5vw, 2.2rem); margin-bottom: 12px; }

.product-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.product-card:hover {
  border-color: var(--green);
  background: rgba(45, 204, 84, 0.06);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(45, 204, 84, 0.15);
}
.product-card:hover::before { transform: scaleX(1); }

.product-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
}
.product-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--white);
}
.product-desc {
  font-size: 0.78rem;
  color: var(--gray);
  line-height: 1.5;
}
.product-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green);
  margin-top: 12px;
  opacity: 0;
  transition: opacity var(--transition);
}
.product-card:hover .product-arrow { opacity: 1; }

/* 3D tilt interaction for hover-enabled devices */
.tilt-card {
  --rx: 0deg;
  --ry: 0deg;
  --px: 50%;
  --py: 50%;
  --glare: 0;
  transform-style: preserve-3d;
  will-change: transform;
}
.tilt-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--px) var(--py), rgba(126, 255, 94, 0.28), transparent 42%);
  opacity: var(--glare);
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.tilt-card > * {
  position: relative;
  z-index: 1;
  transform: translateZ(18px);
}
.product-card.tilt-card {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
}
.product-card.tilt-card:hover {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-6px);
}
.brand-strength-card.tilt-card {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
}
.brand-strength-card.tilt-card:hover {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-6px);
}
.brand-overview-card.tilt-card {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
}
.brand-overview-card.tilt-card:hover {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-6px);
}
.usecase-card.tilt-card {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
}
.usecase-card.tilt-card:hover {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-6px);
}
.single-proof-card.tilt-card {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
}
.single-proof-card.tilt-card:hover {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-6px);
}

/* ============================================================
   BRANDS SECTION
   ============================================================ */
#brands {
  background: var(--navy-mid);
  position: relative;
  overflow: hidden;
}
#brands::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(10,110,132,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.brands-header { text-align: center; margin-bottom: 64px; }

.brands-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.brand-card {
  background: linear-gradient(135deg, rgba(30,51,100,0.6), rgba(13,27,62,0.8));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 48px 40px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.brand-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--green-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: 24px;
}
.brand-card:hover {
  border-color: var(--green);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(45,204,84,0.15);
}
.brand-card:hover::before { opacity: 1; }

.brand-card-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}
.brand-logo-img {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid var(--card-border);
}
.brand-name-block .brand-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--green);
}
.brand-name-block .brand-tagline {
  font-size: 0.8rem;
  color: var(--gray);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.brand-desc {
  font-size: 0.95rem;
  color: var(--off-white);
  line-height: 1.7;
  margin-bottom: 28px;
}

.brand-products-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.brand-tag {
  background: rgba(45,204,84,0.1);
  border: 1px solid rgba(45,204,84,0.2);
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  letter-spacing: 0.05em;
}

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
#why {
  background: var(--navy);
}
.why-header { text-align: center; margin-bottom: 64px; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
  text-align: center;
}
.why-card:hover {
  border-color: var(--teal-light);
  background: rgba(10,110,132,0.1);
  transform: translateY(-4px);
}
.why-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}
.why-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}
.why-text {
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
#contact {
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy) 100%);
  position: relative;
  overflow: hidden;
}
#contact::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(45,204,84,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info .section-title { font-size: clamp(1.6rem, 2.5vw, 2.2rem); }
.contact-details { margin-top: 40px; display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-item-icon {
  width: 44px; height: 44px;
  background: var(--green-glow);
  border: 1px solid rgba(45,204,84,0.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text .label { font-size: 0.75rem; color: var(--gray); letter-spacing: 0.1em; text-transform: uppercase; }
.contact-item-text .value { font-weight: 600; font-size: 0.95rem; color: var(--white); margin-top: 2px; }

.contact-form {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 48px 40px;
  backdrop-filter: blur(10px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--gray); letter-spacing: 0.05em; text-transform: uppercase; }
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--white);
  font-family: var(--font-main);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--green); }
.form-group select option { background: var(--navy-mid); }
.form-group textarea { min-height: 120px; resize: vertical; }
.btn-submit {
  width: 100%;
  background: var(--green);
  color: var(--navy);
  font-weight: 700;
  font-size: 1rem;
  padding: 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.btn-submit:hover {
  background: var(--green-light);
  box-shadow: var(--shadow-green);
  transform: translateY(-1px);
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: rgba(0,0,0,0.4);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 20px; }
.footer-brand p { font-size: 0.875rem; color: var(--gray); line-height: 1.7; max-width: 280px; }

/* Footer logo image */
.footer-logo-wrap { margin-bottom: 20px; }
.footer-logo-img {
  height: auto;
  width: 150px;
  object-fit: contain;
  border-radius: 15%;
  filter: brightness(1.1);
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--off-white);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--gray);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--green); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; color: var(--gray); }
.footer-bottom span { color: var(--green); }

/* ============================================================
   BRAND PAGE
   ============================================================ */
body.brand-page {
  background: var(--navy);
}

#brand-hero {
  position: relative;
  min-height: 88vh;
  padding: 160px 0 90px;
  overflow: hidden;
}
.brand-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero_background.png');
  background-size: cover;
  background-position: center;
}
.brand-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13,27,62,0.92) 0%,
    rgba(13,27,62,0.82) 52%,
    rgba(10,110,132,0.64) 100%
  );
}
.brand-hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
}
.brand-hero-metrics {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 16px;
  max-width: 900px;
}
.brand-metric {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 18px 14px;
  text-align: center;
  backdrop-filter: blur(6px);
}
.brand-metric .stat-value {
  font-size: 1.8rem;
}
.brand-metric .stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#brand-overview {
  background: var(--navy-mid);
  position: relative;
}
#brand-overview::before {
  content: '';
  position: absolute;
  bottom: -140px;
  left: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(45,204,84,0.10) 0%, transparent 68%);
  pointer-events: none;
}
.brand-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 44px;
}
.brand-overview-card {
  background: linear-gradient(135deg, rgba(30,51,100,0.55), rgba(13,27,62,0.72));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  padding: 32px 28px;
  transition: all var(--transition);
}
.brand-overview-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 16px 44px rgba(45,204,84,0.14);
}
.brand-overview-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.brand-overview-logo {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--card-border);
}
.brand-overview-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
}
.brand-overview-line {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}
.brand-overview-card .brand-desc {
  margin-bottom: 12px;
}
.brand-overview-card .product-arrow {
  opacity: 1;
}

.brand-detail-section {
  background: var(--navy);
}
.brand-detail-section.alt {
  background: var(--navy-mid);
}
.brand-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  align-items: center;
  gap: 56px;
}
.brand-detail-grid.reverse {
  direction: rtl;
}
.brand-detail-grid.reverse > * {
  direction: ltr;
}
.brand-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: rgba(255,255,255,0.03);
}
.brand-media img {
  width: 100%;
  height: 430px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.brand-media:hover img {
  transform: scale(1.03);
}
.brand-spotlight {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  background: rgba(13,27,62,0.88);
  border: 1px solid rgba(45,204,84,0.35);
  border-radius: 12px;
  padding: 14px 16px;
}
.spotlight-title {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 6px;
}
.brand-spotlight p {
  font-size: 0.82rem;
  color: var(--off-white);
  line-height: 1.55;
}
.brand-copy .section-title {
  font-size: clamp(1.8rem, 2.5vw, 2.5rem);
}
.brand-copy .section-subtitle {
  margin-bottom: 24px;
}
.brand-point-list {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}
.brand-point-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.9rem;
  color: var(--off-white);
}
.brand-point-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--teal-light));
  box-shadow: 0 0 0 4px rgba(45,204,84,0.14);
}
.brand-copy .brand-products-list {
  margin-bottom: 28px;
}

#brand-strength {
  background: var(--navy);
}
.brand-strength-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.brand-strength-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px 22px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.brand-strength-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--teal-light), var(--green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.brand-strength-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  background: rgba(45,204,84,0.07);
}
.brand-strength-card:hover::before {
  transform: scaleX(1);
}
.brand-strength-card h3 {
  font-family: var(--font-display);
  font-size: 1.06rem;
  margin-bottom: 10px;
  color: var(--white);
}
.brand-strength-card p {
  font-size: 0.86rem;
  color: var(--gray);
  line-height: 1.6;
}

#brand-cta {
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy) 100%);
}
.brand-cta-card {
  max-width: 920px;
  margin: 0 auto;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 56px 44px;
  text-align: center;
  box-shadow: var(--shadow);
}
.brand-cta-card .section-subtitle {
  margin: 0 auto;
}
.brand-cta-actions {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.brand-cta-actions .btn-primary,
.brand-cta-actions .btn-secondary {
  min-width: 220px;
  justify-content: center;
}

body.brand-page #footer {
  background: rgba(0,0,0,0.55);
}

/* ============================================================
   SINGLE BRAND PAGES (UNICRON / FAIRTEK)
   ============================================================ */
body.single-brand-page #brand-hero {
  min-height: 82vh;
}
body.single-brand-page .brand-hero-content {
  max-width: 760px;
}
body.single-brand-page.unicron-page .brand-hero-bg::after {
  background: linear-gradient(
    135deg,
    rgba(13,27,62,0.93) 0%,
    rgba(13,27,62,0.82) 50%,
    rgba(45,204,84,0.32) 100%
  );
}
body.single-brand-page.fairtek-page .brand-hero-bg::after {
  background: linear-gradient(
    135deg,
    rgba(13,27,62,0.93) 0%,
    rgba(13,27,62,0.84) 48%,
    rgba(10,110,132,0.46) 100%
  );
}

.single-brand-catalog {
  background: var(--navy-mid);
  position: relative;
  overflow: hidden;
}
.single-brand-catalog::before {
  content: '';
  position: absolute;
  right: -140px;
  bottom: -180px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(45,204,84,0.10) 0%, transparent 70%);
  pointer-events: none;
}
.single-products-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 34px;
}
.single-product-card {
  min-height: 220px;
}
.single-product-card .product-name {
  font-size: 1rem;
}
.single-product-card .product-desc {
  font-size: 0.84rem;
}

.unicron-atropos-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(190px, 1fr));
  gap: 18px;
  margin-top: 34px;
}
.atropos-product-card {
  width: 100%;
  height: 420px;
}
.my-atropos {
  width: 100%;
  height: 100%;
}
.atropos-product-card .atropos-scale,
.atropos-product-card .atropos-rotate,
.atropos-product-card .atropos-inner {
  width: 100%;
  height: 100%;
}
.unicron-product-visual {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(45,204,84,0.22);
  background: linear-gradient(160deg, #1a1a1a 0%, #121a31 100%);
  min-height: 100%;
  display: flex;
  flex-direction: column;
  text-align: center;
  box-shadow: 0 14px 34px rgba(0,0,0,0.45);
}
.unicron-product-image-wrap {
  position: relative;
  padding: 14px 14px 0;
}
.unicron-model-pill {
  position: absolute;
  top: 24px;
  left: 24px;
  background: rgba(13,27,62,0.85);
  border: 1px solid rgba(45,204,84,0.32);
  color: var(--green-light);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 9px;
  border-radius: 20px;
}
.unicron-product-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.15);
}
.unicron-product-body {
  padding: 16px 16px 20px;
}
.unicron-product-body .product-name {
  margin-bottom: 8px;
  font-size: 1.05rem;
}
.unicron-product-body .product-desc {
  margin-bottom: 12px;
  font-size: 0.82rem;
  color: var(--off-white);
}
.unicron-product-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--green);
}
.unicron-product-link:hover {
  color: var(--green-light);
}

.single-brand-usecases {
  background: var(--navy);
}
.usecase-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 16px;
}
.usecase-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px 18px;
  transition: all var(--transition);
}
.usecase-card:hover {
  border-color: var(--green);
  background: rgba(45,204,84,0.07);
  transform: translateY(-4px);
}
.usecase-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(45,204,84,0.12);
  border: 1px solid rgba(45,204,84,0.25);
  color: var(--green);
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 12px;
}
.usecase-title {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--white);
}
.usecase-text {
  font-size: 0.84rem;
  color: var(--gray);
  line-height: 1.55;
}

.single-brand-proof {
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy) 100%);
}
.single-proof-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.single-proof-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 24px 20px;
  transition: all var(--transition);
}
.single-proof-card:hover {
  border-color: var(--green);
  background: rgba(45,204,84,0.06);
}
.single-proof-title {
  font-family: var(--font-display);
  font-size: 1.03rem;
  color: var(--white);
  margin-bottom: 8px;
}
.single-proof-text {
  color: var(--gray);
  font-size: 0.85rem;
  line-height: 1.6;
}

@media (hover: none), (pointer: coarse) {
  .tilt-card,
  .product-card.tilt-card:hover,
  .brand-strength-card.tilt-card:hover,
  .brand-overview-card.tilt-card:hover {
    transform: none !important;
  }
  .tilt-card::after {
    display: none;
  }
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================================
   KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.7); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(45,204,84,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(45,204,84,0); }
}

/* ============================================================
   RESPONSIVE — TABLET (≤ 900px)
   ============================================================ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-badge { bottom: 10px; right: 10px; }
  .products-showcase { grid-template-columns: 1fr; }
  .products-showcase.reverse { direction: ltr; }
  .showcase-image img { height: 260px; }
  .brands-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  /* Hero responsive */
  #hero { padding-top: 70px; }
  .hero-body { padding: 40px 0 30px; }
  .stat-divider { display: none; }
  .hero-stats-inner { gap: 12px; justify-content: space-evenly; }
  /* Brand page responsive */
  #brand-hero { min-height: auto; padding: 132px 0 70px; }
  .brand-hero-metrics { grid-template-columns: repeat(2, 1fr); max-width: 560px; }
  .brand-overview-grid { grid-template-columns: 1fr; }
  .brand-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .brand-detail-grid.reverse { direction: ltr; }
  .brand-media img { height: 320px; }
  .brand-strength-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-cta-card { padding: 42px 30px; }
  .single-products-grid { grid-template-columns: repeat(2, 1fr); }
  .unicron-atropos-grid { grid-template-columns: repeat(2, 1fr); }
  .atropos-product-card { height: 400px; }
  .usecase-grid { grid-template-columns: repeat(2, 1fr); }
  .single-proof-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤ 600px)
   ============================================================ */
@media (max-width: 600px) {
  .section-padding { padding: 64px 0; }
  .about-features { grid-template-columns: 1fr; }
  .product-cards-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 32px 24px; }
  /* Hero mobile */
  #hero { padding-top: 60px; }
  .hero-body { padding: 52px 0 24px; }
  .hero-title { font-size: clamp(2rem, 4vw, 2.6rem); }
  .hero-desc { font-size: 0.95rem; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .stat-divider { display: none; }
  /* Stats: 2 columns × 2 rows on mobile */
  .hero-stats-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 8px;
  }
  #brand-hero { padding: 118px 0 56px; }
  .brand-hero-metrics { grid-template-columns: 1fr; gap: 12px; }
  .brand-metric .stat-value { font-size: 1.55rem; }
  .brand-overview-card { padding: 24px 20px; }
  .brand-media img { height: 260px; }
  .brand-spotlight { left: 12px; right: 12px; bottom: 12px; }
  .brand-strength-grid { grid-template-columns: 1fr; }
  .brand-cta-card { padding: 34px 20px; }
  .brand-cta-actions { flex-direction: column; }
  .brand-cta-actions .btn-primary,
  .brand-cta-actions .btn-secondary { min-width: 0; width: 100%; }
  .single-products-grid { grid-template-columns: 1fr; }
  .unicron-atropos-grid { grid-template-columns: 1fr; }
  .atropos-product-card { height: 420px; }
  .usecase-grid { grid-template-columns: 1fr; }
  .single-proof-grid { grid-template-columns: 1fr; }
  .stat-item { min-width: unset; }
  .stat-value { font-size: 1.6rem; }
  /* Products */
  .tabs { flex-direction: column; border-radius: var(--radius); width: 100%; }
  .tab-btn { border-radius: var(--radius-sm); }
  /* Logo */
  .logo-img { height: 60px; }
}

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.project-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.project-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(45, 204, 84, 0.15);
}
.project-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}
.project-img-placeholder {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, rgba(10,110,132,0.15), rgba(45,204,84,0.1));
}
.project-body { padding: 20px; }
.project-type {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
  background: var(--green-glow);
  padding: 3px 10px;
  border-radius: 50px;
  border: 1px solid rgba(45,204,84,0.2);
}
.project-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin: 12px 0 8px;
  color: var(--white);
  line-height: 1.3;
}
.project-desc {
  font-size: 0.84rem;
  color: var(--gray);
  line-height: 1.55;
  margin-bottom: 12px;
}
.project-location {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--teal-light);
}

/* ============================================================
   CLIENTS MARQUEE
   ============================================================ */
.clients-marquee {
  overflow: hidden;
  margin-top: 48px;
  padding: 20px 0;
  position: relative;
}
.clients-marquee::before,
.clients-marquee::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}
.clients-marquee::before { left: 0; background: linear-gradient(to right, var(--navy), transparent); }
.clients-marquee::after { right: 0; background: linear-gradient(to left, var(--navy), transparent); }

.marquee-track {
  display: flex;
  gap: 24px;
  animation: marqueeScroll 30s linear infinite;
  width: max-content;
}
.marquee-track:hover { animation-play-state: paused; }
.client-logo-item {
  flex-shrink: 0;
  padding: 16px 32px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gray);
  white-space: nowrap;
  transition: all var(--transition);
}
.client-logo-item:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-glow);
}
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 16px; right: 24px;
  font-size: 4rem;
  font-family: serif;
  color: rgba(45,204,84,0.12);
  line-height: 1;
}
.testimonial-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(45,204,84,0.12);
}
.testimonial-stars {
  color: #f59e0b;
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.testimonial-text {
  font-size: 0.92rem;
  color: var(--off-white);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 24px;
}
.testimonial-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}
.testimonial-role {
  font-size: 0.78rem;
  color: var(--gray);
  margin-top: 2px;
}

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.cert-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition);
}
.cert-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(45,204,84,0.12);
}
.cert-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.cert-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}
.cert-desc {
  font-size: 0.84rem;
  color: var(--gray);
  line-height: 1.55;
}

/* ============================================================
   INDUSTRY PRESENCE
   ============================================================ */
.industry-visual {
  width: 100%;
  height: 380px;
  background: linear-gradient(135deg, rgba(10,110,132,0.2), rgba(45,204,84,0.15));
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.industry-icon-large { font-size: 5rem; }
.industry-badge {
  background: var(--green);
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 50px;
}
.event-list { display: flex; flex-direction: column; gap: 16px; }
.event-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.event-item:hover {
  border-color: var(--green);
  background: var(--green-glow);
}
.event-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--green);
  margin-top: 5px;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px var(--green-glow);
}
.event-item strong {
  display: block;
  font-size: 0.92rem;
  color: var(--white);
  margin-bottom: 2px;
}
.event-meta {
  display: block;
  font-size: 0.78rem;
  color: var(--gray);
}

/* ============================================================
   COVERAGE
   ============================================================ */
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.coverage-zone {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
}
.coverage-zone:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}
.coverage-zone-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 16px;
}
.coverage-cities { display: flex; flex-wrap: wrap; gap: 8px; }
.city-tag {
  background: rgba(45,204,84,0.08);
  border: 1px solid rgba(45,204,84,0.2);
  color: var(--off-white);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 50px;
}

/* ============================================================
   ROI / BENEFITS
   ============================================================ */
#roi {
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy) 100%);
}
.roi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.roi-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition);
}
.roi-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(45,204,84,0.15);
}
.roi-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--green);
  line-height: 1;
  margin-bottom: 8px;
}
.roi-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.roi-desc {
  font-size: 0.84rem;
  color: var(--gray);
  line-height: 1.55;
}

/* ============================================================
   TEAM / EXPERTISE
   ============================================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.team-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
}
.team-card:hover {
  border-color: var(--teal-light);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(10,110,132,0.15);
}
.team-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}
.team-role {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.team-desc {
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.65;
  margin-bottom: 16px;
}
.team-stat {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--green);
  background: var(--green-glow);
  padding: 6px 14px;
  border-radius: 50px;
  display: inline-block;
  border: 1px solid rgba(45,204,84,0.2);
}

/* ============================================================
   WARRANTY / SUPPORT
   ============================================================ */
.warranty-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.warranty-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
}
.warranty-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(45,204,84,0.12);
}
.warranty-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}
.warranty-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.warranty-desc {
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.65;
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq-list {
  max-width: 800px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover,
.faq-item.open {
  border-color: var(--green);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
}
.faq-chevron {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--gray);
}
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--green);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.7;
}

/* ============================================================
   NEW SECTIONS — RESPONSIVE TABLET (≤ 900px)
   ============================================================ */
@media (max-width: 900px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .coverage-grid { grid-template-columns: repeat(2, 1fr); }
  .roi-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: 1fr; }
  .warranty-grid { grid-template-columns: 1fr; }
  .industry-visual { height: 280px; }
}

/* ============================================================
   NEW SECTIONS — RESPONSIVE MOBILE (≤ 600px)
   ============================================================ */
@media (max-width: 600px) {
  .projects-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .coverage-grid { grid-template-columns: 1fr; }
  .roi-grid { grid-template-columns: 1fr; }
  .roi-number { font-size: 2.2rem; }
  .industry-visual { height: 220px; }
  .industry-icon-large { font-size: 3.5rem; }
  .faq-question { font-size: 0.92rem; padding: 16px 18px; }
  .faq-answer { padding: 0 18px; }
  .faq-item.open .faq-answer { padding: 0 18px 16px; }
}