/* AEROSOLSISTEM.COM — COMPONENTS CSS
   Aesthetic: Reference Master Design (Fenix Yangın Corporate Red & Precision Engineering UI) */

/* UTILITY & WRAPPERS */
.as-container {
  max-width: var(--as-container);
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

.as-container-narrow {
  max-width: var(--as-container-narrow);
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

/* TOPBAR */
.as-topbar {
  background-color: var(--as-bg-dark);
  color: #CBD5E1;
  font-size: var(--as-caption);
  border-bottom: 1px solid var(--as-bg-dark-border);
}

.as-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;
}

.as-topbar-left, .as-topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.as-topbar-link {
  color: #CBD5E1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--as-tr-fast);
}

.as-topbar-link:hover {
  color: #FFFFFF;
}

.as-topbar-badge {
  background: rgba(217, 119, 6, 0.15);
  color: #F59E0B;
  border: 1px solid var(--as-gold-border);
  padding: 2px 10px;
  border-radius: var(--as-radius-full);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.03em;
}

/* HEADER & NAVBAR (WHITE CORPORATE) */
.as-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #FFFFFF;
  border-bottom: 1px solid #E5E7EB;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all var(--as-tr-normal);
}

.as-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  height: 74px;
}

.as-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--as-ink);
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}

.as-logo-pic {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.as-official-logo {
  height: 28px;
  width: auto;
  max-width: 155px;
  object-fit: contain;
  display: block;
}

.as-logo-divider {
  width: 1px;
  height: 24px;
  background-color: var(--as-border);
  margin: 0 4px;
  flex-shrink: 0;
}

.as-logo-text-group {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  white-space: nowrap;
}

.as-logo-title {
  font-size: 13px;
  font-weight: 850;
  letter-spacing: -0.01em;
  color: var(--as-ink);
  line-height: 1.15;
  white-space: nowrap;
}

.as-mobile-only {
  display: none !important;
}

.as-desktop-only {
  display: inline-flex !important;
}

.as-btn.as-desktop-only {
  padding: 8px 14px;
  font-size: 13px;
  flex-shrink: 0;
  white-space: nowrap;
}

.as-logo-sub {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--as-muted);
  text-transform: uppercase;
  margin-top: 2px;
  white-space: nowrap;
}

.as-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 1;
}

.as-nav-item {
  position: relative;
}

.as-nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4px 6px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--as-ink-secondary);
  border-radius: var(--as-radius-sm);
  transition: all var(--as-tr-fast);
  position: relative;
  max-width: 80px;
}

.as-nav-link:hover {
  color: var(--as-red);
}

.as-nav-link.active {
  color: var(--as-red);
  font-weight: 800;
}

.as-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 4px;
  right: 4px;
  height: 3px;
  background-color: var(--as-red);
  border-radius: 2px;
}

.as-nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* BUTTONS */
.as-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--as-radius-sm);
  transition: all var(--as-tr-normal);
  text-align: center;
  white-space: nowrap;
  text-decoration: none;
}

.as-btn-sm {
  padding: 6px 12px;
  font-size: 12.5px;
}

.as-btn-lg {
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 700;
}

.as-btn-primary, .as-btn-red {
  background-color: var(--as-red);
  color: #FFFFFF;
}

.as-btn-primary:hover, .as-btn-red:hover {
  background-color: var(--as-red-hover);
  box-shadow: 0 4px 14px var(--as-red-glow);
}

.as-btn-whatsapp {
  background-color: var(--as-green);
  color: #FFFFFF;
}

.as-btn-whatsapp:hover {
  background-color: var(--as-green-hover);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.as-btn-outline {
  border: 1px solid var(--as-border-strong);
  color: var(--as-ink);
  background-color: #FFFFFF;
}

.as-btn-outline:hover {
  border-color: var(--as-red);
  color: var(--as-red);
  background-color: var(--as-red-subtle);
}

/* MOBILE HEADER BUTTONS */
.as-mobile-phone-btn {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--as-radius-sm);
  border: 1px solid var(--as-border);
  background: #FFFFFF;
  color: var(--as-red);
  align-items: center;
  justify-content: center;
}

.as-burger {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--as-radius-sm);
  background-color: var(--as-red);
  color: #FFFFFF;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.as-burger span {
  width: 18px;
  height: 2px;
  background-color: #FFFFFF;
  border-radius: 1px;
}

/* MOBILE DRAWER */
.as-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  overflow: hidden;
  pointer-events: none;
  transition: opacity var(--as-tr-normal), visibility var(--as-tr-normal);
}

.as-drawer.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.as-drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  background: #FFFFFF;
  padding: 24px;
  box-shadow: -4px 0 25px rgba(0, 0, 0, 0.15);
  transform: translateX(100%);
  transition: transform var(--as-tr-normal);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.as-drawer.open .as-drawer-content {
  transform: translateX(0);
}

.as-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--as-border);
}

.as-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.as-drawer-nav a {
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--as-ink-secondary);
  border-radius: var(--as-radius-sm);
}

.as-drawer-nav a:hover, .as-drawer-nav a.active {
  background-color: var(--as-red-light);
  color: var(--as-red);
}

/* HERO SECTION (REFERENCE DESIGN MATCH) */
.as-hero {
  padding: clamp(32px, 5vw, 64px) 0 40px;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--as-bg-page) 100%);
  border-bottom: 1px solid #E5E7EB;
  position: relative;
  overflow: hidden;
}

.as-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.as-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--as-red);
  background-color: var(--as-red-light);
  border: 1px solid var(--as-red-border);
  padding: 4px 12px;
  border-radius: var(--as-radius-full);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.as-desktop-inline {
  display: inline;
}

.as-hero h1 {
  font-size: var(--as-h1);
  font-weight: 900;
  line-height: var(--as-lh-tight);
  letter-spacing: var(--as-ls-tight);
  color: var(--as-ink);
  margin-bottom: 16px;
}

.as-hero-highlight {
  color: var(--as-red);
}

.as-hero-desc {
  font-size: var(--as-body-lg);
  color: var(--as-body-text);
  line-height: var(--as-lh-snug);
  margin-bottom: 24px;
}

.as-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

/* STATS STRIP */
.as-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.as-stat-item {
  background: #FFFFFF;
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.as-stat-icon {
  width: 24px;
  height: 24px;
  color: var(--as-red);
  flex-shrink: 0;
}

.as-stat-text {
  display: flex;
  flex-direction: column;
}

.as-stat-val {
  font-size: 16px;
  font-weight: 900;
  color: var(--as-ink);
  line-height: 1.15;
}

.as-stat-lbl {
  font-size: 11px;
  color: var(--as-muted);
  line-height: 1.25;
}

/* HERO VISUAL WITH ANGULAR CUTAWAY (MATCHING REFERENCE MOCKUP) */
.as-hero-visual-frame {
  position: relative;
  height: 380px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
  background-color: #E2E8F0;
}

.as-hero-visual-mobile {
  display: none;
}

.as-hero-visual-desktop {
  display: block;
}

.as-hero-visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Dynamic Red Diagonal Cut on Left Edge of Photo */
.as-hero-diagonal-accent {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 48px;
  background: linear-gradient(135deg, var(--as-red) 0%, var(--as-red-dark) 100%);
  clip-path: polygon(0 0, 100% 0, 35% 100%, 0 100%);
  z-index: 2;
}

/* Floating Certification Badge */
.as-hero-floating-badge {
  position: absolute;
  bottom: 18px;
  right: 18px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-radius: var(--as-radius-md);
  padding: 10px 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.as-badge-rosette {
  width: 28px;
  height: 28px;
  color: var(--as-red);
  flex-shrink: 0;
}

.as-floating-badge-text {
  display: flex;
  flex-direction: column;
}

.as-floating-badge-title {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--as-ink);
}

.as-floating-badge-sub {
  font-size: 11px;
  color: var(--as-muted);
}

/* SECTION HEADINGS */
.as-sec {
  padding: var(--as-gap-sec) 0;
}

.as-sec-subtle {
  background-color: var(--as-bg-subtle);
}

.as-sec-lead {
  display: block;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--as-red);
  margin-bottom: 6px;
}

.as-sec-title {
  font-size: var(--as-h2);
  font-weight: 900;
  letter-spacing: var(--as-ls-tight);
  line-height: var(--as-lh-tight);
  color: var(--as-ink);
  margin-bottom: 8px;
}

.as-sec-desc {
  font-size: var(--as-body-lg);
  color: var(--as-body-text);
  line-height: var(--as-lh-snug);
}

/* 4 APPLICATION AREAS CARDS */
.as-app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.as-app-card {
  position: relative;
  height: 240px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  transition: transform var(--as-tr-normal), box-shadow var(--as-tr-normal);
  text-decoration: none;
  display: block;
}

.as-app-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.16);
}

.as-app-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.as-app-card:hover .as-app-card-img {
  transform: scale(1.05);
}

.as-app-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.05) 30%, rgba(15, 23, 42, 0.88) 100%);
  z-index: 1;
}

.as-app-card-content {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
}

.as-app-card-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #FFFFFF;
  font-size: 15.5px;
  font-weight: 800;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.as-app-card-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--as-red);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--as-tr-fast);
}

.as-app-card:hover .as-app-card-btn {
  transform: scale(1.1);
  background-color: var(--as-red-hover);
}

/* REFERENCE LOGOS */
.as-ref-section {
  padding: 36px 0;
  background-color: #FFFFFF;
  border-top: 1px solid var(--as-border);
  border-bottom: 1px solid var(--as-border);
}

.as-ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 16px;
  align-items: center;
}

.as-ref-item {
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all var(--as-tr-normal);
}

.as-ref-item:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.as-ref-item img {
  max-height: 42px;
  max-width: 100%;
  object-fit: contain;
}

/* 4 TECHNICAL SUPERIORITIES GRID */
.as-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.as-feature-card {
  background-color: #FFFFFF;
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-md);
  padding: 24px;
  box-shadow: var(--as-shadow-card);
  transition: all var(--as-tr-normal);
  display: flex;
  flex-direction: column;
}

.as-feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--as-shadow-md);
  border-color: var(--as-red-border);
}

.as-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--as-radius-sm);
  background-color: var(--as-red-light);
  color: var(--as-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.as-feature-card h3 {
  font-size: 17.5px;
  font-weight: 800;
  color: var(--as-ink);
  margin-bottom: 8px;
}

.as-feature-card p {
  font-size: 13.5px;
  color: var(--as-body-text);
  line-height: var(--as-lh-body);
}

/* INTERACTIVE CALCULATOR */
.as-calc-wrapper {
  background: #FFFFFF;
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-lg);
  box-shadow: var(--as-shadow-md);
  padding: clamp(24px, 4vw, 40px);
}

.as-calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.as-calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.as-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.as-form-group label {
  font-size: 13px;
  font-weight: 700;
  color: var(--as-ink);
}

.as-input-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.as-input {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--as-border-strong);
  border-radius: var(--as-radius-sm);
  background: var(--as-bg-page);
  color: var(--as-ink);
  transition: all var(--as-tr-fast);
}

.as-input:focus {
  outline: none;
  border-color: var(--as-red);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px var(--as-red-glow);
}

.as-calc-results {
  background-color: var(--as-bg-dark);
  color: #FFFFFF;
  border-radius: var(--as-radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.as-calc-res-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--as-bg-dark-border);
  padding-bottom: 12px;
}

.as-calc-res-title {
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #FFA29A;
}

.as-calc-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.as-metric-box {
  background: var(--as-bg-dark-card);
  border: 1px solid var(--as-bg-dark-border);
  border-radius: var(--as-radius-sm);
  padding: 12px;
}

.as-metric-box span {
  display: block;
  font-size: 11.5px;
  color: var(--as-muted-light);
  margin-bottom: 4px;
}

.as-metric-box strong {
  font-size: 20px;
  font-weight: 800;
  color: #FFFFFF;
}

.as-calc-rec {
  background: rgba(200, 16, 46, 0.2);
  border: 1px solid rgba(200, 16, 46, 0.4);
  border-radius: var(--as-radius-sm);
  padding: 14px;
}

.as-calc-rec-title {
  font-size: 12.5px;
  font-weight: 700;
  color: #FFA29A;
  margin-bottom: 4px;
}

.as-calc-rec-val {
  font-size: 16px;
  font-weight: 800;
  color: #FFFFFF;
}

/* TABLES */
.as-table-container {
  background: #FFFFFF;
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-md);
  overflow-x: auto;
  box-shadow: var(--as-shadow-sm);
}

.as-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.as-table th {
  background-color: var(--as-bg-dark);
  color: #FFFFFF;
  font-weight: 700;
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--as-border);
  white-space: nowrap;
}

.as-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--as-border-light);
  color: var(--as-ink-secondary);
}

.as-table tr:hover td {
  background-color: var(--as-bg-subtle);
}

/* FAQ ACCORDION */
.as-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
  margin: 0 auto;
}

.as-faq-item {
  background: #FFFFFF;
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-sm);
  overflow: hidden;
  transition: border-color var(--as-tr-fast);
}

.as-faq-item.open {
  border-color: var(--as-red);
}

.as-faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 700;
  color: var(--as-ink);
  text-align: left;
  background: none;
  cursor: pointer;
  gap: 12px;
}

.as-faq-q:hover {
  color: var(--as-red);
}

.as-faq-icon {
  width: 20px;
  height: 20px;
  color: var(--as-muted);
  transition: transform var(--as-tr-normal);
  flex-shrink: 0;
}

.as-faq-item.open .as-faq-icon {
  transform: rotate(180deg);
  color: var(--as-red);
}

.as-faq-a {
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--as-body-text);
  line-height: var(--as-lh-body);
  display: none;
}

.as-faq-item.open .as-faq-a {
  display: block;
}

/* CONTACT & GOOGLE MAPS */
.as-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.as-contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.as-contact-card {
  background: #FFFFFF;
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-md);
  padding: 24px;
  box-shadow: var(--as-shadow-sm);
}

.as-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.as-contact-item:last-child {
  margin-bottom: 0;
}

.as-contact-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--as-radius-sm);
  background-color: var(--as-red-light);
  color: var(--as-red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.as-contact-item strong {
  display: block;
  font-size: 14px;
  color: var(--as-ink);
}

.as-contact-item span, .as-contact-item a {
  font-size: 13.5px;
  color: var(--as-muted);
}

.as-map-frame {
  width: 100%;
  height: 220px;
  border: 0;
  border-radius: var(--as-radius-sm);
  margin-top: 14px;
}

.as-contact-form-box {
  background: #FFFFFF;
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-md);
  padding: clamp(20px, 3.5vw, 32px);
  box-shadow: var(--as-shadow-sm);
}

.as-contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* FOOTER & SOCIAL LINKS */
.as-footer {
  background-color: var(--as-bg-dark);
  color: #94A3B8;
  padding: 64px 0 96px; /* padding for mobile tab bar */
  border-top: 1px solid var(--as-bg-dark-border);
  margin-top: auto;
}

.as-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: clamp(24px, 4vw, 40px);
  margin-bottom: 48px;
}

.as-footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.as-footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.as-footer-links a {
  font-size: 13.5px;
  color: #94A3B8;
  transition: color var(--as-tr-fast);
}

.as-footer-links a:hover {
  color: #FFFFFF;
}

.as-social-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.as-social-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--as-radius-sm);
  background: var(--as-bg-dark-card);
  border: 1px solid var(--as-bg-dark-border);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--as-tr-fast);
}

.as-social-btn:hover {
  background: var(--as-red);
  color: #FFFFFF;
  border-color: var(--as-red);
}

.as-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--as-bg-dark-border);
  font-size: 12.5px;
}

/* MOBILE APP-LIKE BOTTOM TAB BAR (REFERANS GÖRSEL 2 İLE BİREBİR) */
.as-mobile-tab-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: #FFFFFF;
  border-top: 1px solid #E5E7EB;
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.06);
}

.as-tab-bar-inner {
  display: flex;
  height: 100%;
  width: 100%;
  justify-content: space-around;
  align-items: center;
}

.as-tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  text-decoration: none;
  color: #64748B;
  font-size: 11px;
  font-weight: 600;
  flex: 1;
  height: 100%;
  position: relative;
}

.as-tab-item.active {
  color: var(--as-red);
}

.as-tab-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 3px;
  background-color: var(--as-red);
  border-radius: 2px 2px 0 0;
}

.as-tab-icon {
  width: 20px;
  height: 20px;
}

/* BREADCRUMBS */
.as-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--as-muted);
  margin-bottom: 14px;
}
.as-breadcrumbs a {
  color: var(--as-muted);
  transition: color var(--as-tr-fast);
}
.as-breadcrumbs a:hover {
  color: var(--as-red);
}
.as-bc-sep {
  color: var(--as-border-strong);
  font-size: 11px;
}
.as-bc-current {
  color: var(--as-ink-secondary);
  font-weight: 600;
}

/* INNER HERO */
.as-inner-hero {
  padding: 36px 0 32px;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--as-bg-page) 100%);
  border-bottom: 1px solid #E5E7EB;
}
.as-inner-h1 {
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 900;
  color: var(--as-ink);
  line-height: 1.22;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}
.as-inner-desc {
  font-size: clamp(14px, 1.2vw, 16px);
  color: var(--as-body-text);
  line-height: 1.6;
  max-width: 860px;
  margin-bottom: 20px;
}
.as-inner-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ENGINEERING STAT HIGHLIGHTS */
.as-eng-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 28px 0 36px;
}
.as-eng-stat {
  background: #FFFFFF;
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-md);
  padding: 16px 14px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  transition: transform var(--as-tr-fast), border-color var(--as-tr-fast);
}
.as-eng-stat:hover {
  border-color: var(--as-red);
  transform: translateY(-2px);
}
.as-eng-stat-icon {
  width: 26px;
  height: 26px;
  margin: 0 auto 8px;
  color: var(--as-red);
  display: flex;
  align-items: center;
  justify-content: center;
}
.as-eng-stat-val {
  font-size: 18px;
  font-weight: 900;
  color: var(--as-ink);
  line-height: 1.15;
  display: block;
}
.as-eng-stat-lbl {
  font-size: 11.5px;
  color: var(--as-muted);
  font-weight: 600;
  margin-top: 4px;
  display: block;
}

/* TECHNICAL SPEC TABLE */
.as-spec-card {
  background: #FFFFFF;
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-md);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
  margin-bottom: 36px;
}
.as-spec-head {
  background: var(--as-bg-dark);
  color: #FFFFFF;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.as-spec-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.as-spec-badge {
  font-size: 11px;
  background: rgba(200, 16, 46, 0.3);
  color: #FECACA;
  border: 1px solid rgba(200, 16, 46, 0.5);
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
}
.as-spec-table {
  width: 100%;
  border-collapse: collapse;
}
.as-spec-table tr {
  border-bottom: 1px solid var(--as-border-light);
}
.as-spec-table tr:last-child {
  border-bottom: none;
}
.as-spec-table td {
  padding: 12px 20px;
  font-size: 13.5px;
}
.as-spec-table td.as-spec-param {
  font-weight: 700;
  color: var(--as-ink-secondary);
  width: 45%;
  background: var(--as-bg-subtle);
}
.as-spec-table td.as-spec-val {
  color: var(--as-ink);
  font-weight: 600;
}

/* MATRIX COMPARISON TABLE */
.as-matrix-container {
  background: #FFFFFF;
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-md);
  overflow-x: auto;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  margin: 32px 0;
}
.as-matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 620px;
}
.as-matrix-table th {
  background: var(--as-bg-dark);
  color: #FFFFFF;
  padding: 14px 16px;
  font-weight: 750;
  text-align: left;
}
.as-matrix-table th.as-th-highlight {
  background: var(--as-red);
  color: #FFFFFF;
}
.as-matrix-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--as-border-light);
  color: var(--as-body-text);
  vertical-align: middle;
}
.as-matrix-table tr:hover td {
  background: #F8FAFC;
}
.as-matrix-table td.as-td-highlight {
  background: var(--as-red-subtle);
  font-weight: 700;
  color: var(--as-red);
}
.as-matrix-check {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #16A34A;
  font-weight: 700;
}
.as-matrix-cross {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #DC2626;
  font-weight: 600;
}

/* SECTOR CALC BANNER */
.as-calc-cta-card {
  background: linear-gradient(135deg, #0B192C 0%, #152238 100%);
  border: 1px solid var(--as-bg-dark-border);
  border-radius: var(--as-radius-lg);
  padding: 28px 32px;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 40px 0;
  box-shadow: 0 8px 24px rgba(11, 25, 44, 0.15);
}
.as-calc-cta-info h3 {
  font-size: 20px;
  font-weight: 850;
  color: #FFFFFF;
  margin-bottom: 6px;
}
.as-calc-cta-info p {
  font-size: 14px;
  color: #CBD5E1;
  max-width: 580px;
  line-height: 1.5;
}

/* RESPONSIVE DESIGN & NO OVERFLOW */
@media (max-width: 1024px) {
  .as-nav {
    display: none;
  }
  .as-desktop-only {
    display: none !important;
  }
  .as-mobile-phone-btn, .as-burger {
    display: flex;
  }
  .as-nav-actions .as-btn-whatsapp {
    display: none;
  }
  .as-hero-grid {
    grid-template-columns: 1fr;
  }
  .as-hero-visual-desktop {
    display: none !important;
  }
  .as-hero-visual-mobile {
    display: block !important;
  }
  .as-app-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .as-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .as-contact-grid {
    grid-template-columns: 1fr;
  }
  .as-calc-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  html, body {
    overflow-x: hidden !important;
  }

  body {
    padding-bottom: 64px !important; /* Space for bottom tab bar */
  }

  /* Completely hide topbar on mobile matching reference mockup */
  .as-topbar {
    display: none !important;
  }

  .as-mobile-tab-bar {
    display: block !important;
  }

  .as-mobile-tray {
    display: none !important;
  }

  /* Compact Mobile Header Logo with Official Fenix Logo */
  .as-logo {
    gap: 6px;
  }
  .as-official-logo {
    height: 22px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    display: block;
  }
  .as-logo-divider {
    height: 22px;
    margin: 0 2px;
  }
  .as-mobile-only {
    display: inline !important;
  }
  .as-desktop-only {
    display: none !important;
  }
  .as-logo-title {
    font-size: 10px;
    line-height: 1.15;
    white-space: normal !important;
  }
  .as-logo-sub {
    font-size: 8px;
    margin-top: 1px;
    white-space: normal !important;
  }

  /* Mobile Hero Styling matching reference mockup */
  .as-hero {
    padding: 14px 0 20px 0 !important;
  }

  .as-hero-badge {
    font-size: 10px !important;
    padding: 4px 10px !important;
    margin-bottom: 12px !important;
    display: inline-flex !important;
  }

  .as-desktop-inline {
    display: none !important;
  }

  .as-hero h1 {
    font-size: 22.5px !important;
    line-height: 1.22 !important;
    font-weight: 900 !important;
    color: var(--as-ink) !important;
    letter-spacing: -0.025em !important;
    margin-bottom: 12px !important;
  }

  .as-hero-desc {
    font-size: 13px !important;
    line-height: 1.45 !important;
    color: var(--as-body-text) !important;
    margin-bottom: 14px !important;
  }

  .as-hero-visual-frame {
    height: 210px !important;
    border-radius: 14px !important;
    margin: 10px 0 16px 0 !important;
  }

  /* Side-by-side CTA Buttons matching reference mockup */
  .as-hero-ctas {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    margin-bottom: 16px !important;
  }

  .as-hero-ctas .as-btn {
    width: 100% !important;
    padding: 11px 8px !important;
    font-size: 12px !important;
    font-weight: 750 !important;
    border-radius: 8px !important;
    gap: 6px !important;
    white-space: nowrap !important;
    justify-content: center !important;
  }

  .as-hero-ctas .as-btn svg {
    width: 15px !important;
    height: 15px !important;
    flex-shrink: 0 !important;
  }

  /* 4-Item Horizontal Stats Strip matching reference mockup */
  .as-stats-strip {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 0 !important;
    background: #FFFFFF !important;
    border: 1px solid var(--as-border) !important;
    border-radius: 12px !important;
    padding: 12px 2px !important;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04) !important;
  }

  .as-stat-item {
    background: transparent !important;
    border: none !important;
    border-right: 1px solid var(--as-border-light) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 2px 4px !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    gap: 4px !important;
  }

  .as-stat-item:last-child {
    border-right: none !important;
  }

  .as-stat-icon {
    width: 22px !important;
    height: 22px !important;
    color: var(--as-red) !important;
  }

  .as-stat-icon svg {
    width: 22px !important;
    height: 22px !important;
  }

  .as-stat-val {
    font-size: 13.5px !important;
    font-weight: 900 !important;
    line-height: 1.1 !important;
    color: var(--as-ink) !important;
  }

  .as-stat-lbl {
    font-size: 8.5px !important;
    line-height: 1.15 !important;
    color: var(--as-muted) !important;
    font-weight: 600 !important;
    display: block !important;
  }

  /* Section Header on Mobile */
  .as-sec-lead {
    font-size: 11px !important;
    font-weight: 850 !important;
    color: var(--as-red) !important;
    letter-spacing: 0.05em !important;
  }

  .as-sec-title {
    font-size: 20px !important;
    line-height: 1.25 !important;
    margin-top: 4px !important;
    margin-bottom: 6px !important;
  }

  .as-sec-desc {
    font-size: 12.5px !important;
    line-height: 1.4 !important;
    color: var(--as-body-text) !important;
  }

  /* 2-Column Application Cards on Mobile (Matching Reference Mockup) */
  .as-app-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    padding: 0 !important;
    margin: 14px 0 0 0 !important;
    overflow-x: visible !important;
  }

  .as-app-card {
    flex: unset !important;
    height: 135px !important;
    border-radius: 12px !important;
  }

  .as-app-card-content {
    bottom: 8px !important;
    left: 8px !important;
    right: 8px !important;
    display: flex !important;
    align-items: flex-end !important;
    justify-content: space-between !important;
  }

  .as-app-card-label {
    font-size: 11px !important;
    gap: 5px !important;
    display: flex !important;
    align-items: center !important;
  }

  .as-app-card-label svg {
    width: 16px !important;
    height: 16px !important;
  }

  .as-app-card-label span {
    font-size: 11px !important;
    font-weight: 800 !important;
    line-height: 1.15 !important;
    color: #FFFFFF !important;
  }

  .as-app-card-btn {
    width: 26px !important;
    height: 26px !important;
    background-color: var(--as-red) !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: #FFFFFF !important;
    flex-shrink: 0 !important;
  }

  .as-app-card-btn svg {
    width: 12px !important;
    height: 12px !important;
  }

  .as-footer-grid {
    grid-template-columns: 1fr;
  }

  .as-footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  /* Mobile Spacing & Table Optimizations */
  .as-inner-hero {
    padding: 20px 0 18px !important;
  }
  .as-inner-h1 {
    font-size: 21px !important;
    line-height: 1.25 !important;
    margin-bottom: 10px !important;
  }
  .as-inner-desc {
    font-size: 13px !important;
    line-height: 1.5 !important;
    margin-bottom: 16px !important;
  }
  .as-inner-ctas {
    flex-direction: column !important;
    gap: 8px !important;
  }
  .as-inner-ctas .as-btn {
    width: 100% !important;
  }
  .as-eng-stats {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
    margin: 18px 0 24px !important;
  }
  .as-eng-stat {
    padding: 12px 8px !important;
  }
  .as-eng-stat-val {
    font-size: 15px !important;
  }
  .as-eng-stat-lbl {
    font-size: 10.5px !important;
  }
  .as-spec-table td {
    padding: 10px 12px !important;
    font-size: 12.5px !important;
  }
  .as-calc-cta-card {
    flex-direction: column !important;
    padding: 20px 16px !important;
    gap: 16px !important;
    text-align: center !important;
  }
  .as-calc-cta-card .as-btn {
    width: 100% !important;
  }
}


/* ==========================================================================
   UNIVERSAL STICKY ACTION BAR (SADECE MOBIL - FENIX EKOSISTEM DONUSUM STANDARDI)
   ========================================================================== */
.as-sticky-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  display: flex;
  gap: 10px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 10px 16px calc(12px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.as-sticky-btn {
  flex: 1;
  min-height: 48px;
  min-width: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 750;
  letter-spacing: -0.01em;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}

.as-sticky-wa {
  background-color: #25D366;
  color: #FFFFFF;
}

.as-sticky-call {
  background-color: #0B192C;
  color: #FFFFFF;
}

.as-sticky-btn:active {
  transform: scale(0.98);
  opacity: 0.92;
}

.as-sticky-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .as-sticky-action-bar {
    display: none !important;
  }
}

@media (max-width: 1023px) {
  body {
    padding-bottom: 80px !important;
  }
  .as-mobile-tab-bar {
    display: none !important;
  }
}