:root {
  /* Colors - DinamiCold Premium Palette */
  --color-primary: #00a8cc; 
  --color-primary-dark: #008299;
  --color-secondary: #0f172a; 
  --color-secondary-light: #1e293b;
  --color-accent: #0ea5e9;
  
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-text: #334155;
  --color-heading: #0f172a;
  --color-border: #e2e8f0;
  
  /* Typography */
  --font-main: 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px rgba(0, 168, 204, 0.3);
  
  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Resets */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 130px; /* Header + Topbar height */
  overflow-x: hidden;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden !important; /* Sağa kaymayı tamamen yasakla */
  width: 100%;
  position: relative;
  padding-top: 140px; /* Top-bar (50px) + Header (90px) */
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.2;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
}

.section-bg {
  background-color: var(--color-bg-alt);
}

.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* --- Header & Navigation --- */
.top-bar {
  background: var(--color-secondary);
  color: #fff;
  padding: 12px 0;
  font-size: 0.9rem;
  font-weight: 500;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10002;
  height: 50px;
  display: flex;
  align-items: center;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.top-bar.scrolled {
  transform: translateY(-50px);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 768px) {
  .top-bar .contact-links a:nth-child(2) { display: none; } /* Mobilde e-postayı gizle, sığmıyor */
  .top-bar .container { gap: 0.5rem; justify-content: space-between; }
  .top-bar .contact-links { gap: 1rem !important; }
}

.top-bar a {
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header {
  position: fixed;
  top: 50px; 
  left: 0;
  width: 100%;
  background-color: #fff;
  z-index: 10001;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.header.scrolled {
  top: 0;
  padding: 0;
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 90px;
  transition: height var(--transition-normal);
}

.header.scrolled .nav-container {
  height: 70px;
}

.logo-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  gap: 2px;
}

.logo-main {
  height: 70px;
  width: auto;
  transition: all var(--transition-normal);
}

.header.scrolled .logo-main {
  height: 50px;
}

.logo-tagline {
  font-size: 0.6rem;
  font-weight: 600;
  color: #94a3b8;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  line-height: 1;
  padding-left: 2px;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.header.scrolled .logo-tagline {
  font-size: 0.55rem;
  opacity: 0.8;
}

.nav-menu {
  display: flex;
  gap: 1.5rem; /* Boşluğu daralttık */
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--color-heading);
  font-weight: 600;
  font-size: 0.95rem; /* Bir tık küçülttük */
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap; /* Yazıların kırılmasını önler */
}

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

/* Dropdown Menu */
.nav-item {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  min-width: 240px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 0.75rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--color-text);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  padding-left: 1.75rem;
}

/* ==========================================================================
   PREMIUM MEGA MENU SYSTEM (Inspired by Klimexs.com)
   ========================================================================== */

.nav-item.has-mega-menu {
  position: static;
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 4px solid var(--color-primary);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 15px 40px rgba(15, 23, 42, 0.08);
  padding: 3rem 0;
  /* Üstte görünmez köprü - nav link ile mega menu arasındaki boşluğu kapatır */
  padding-top: calc(3rem + 8px);
  margin-top: -8px;
  display: none; /* WebView uyumluluğu için varsayılan olarak kesin gizle */
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  z-index: 999;
}

/* Görünmez hover köprüsü - mega menu'nün üstünde 12px'lik şeffaf alan */
.mega-menu::before {
  content: '';
  position: absolute;
  top: -30px;
  left: 0;
  width: 100%;
  height: 30px;
  background: transparent;
  pointer-events: all;
}

.nav-item.has-mega-menu:hover .mega-menu {
  display: block; /* Hover durumunda kesin göster */
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: all;
}

/* Mega Menu Grid Layout */
.mega-menu-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.mega-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Mega Titles */
.mega-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-heading);
  line-height: 1.3;
  position: relative;
}

.mega-sub-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-heading);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.6rem;
  margin-bottom: 0.3rem;
}

.mega-desc {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
}

/* Mega Buttons */
.mega-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff !important;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  align-self: flex-start;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0, 168, 204, 0.25);
}

.mega-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 168, 204, 0.4);
}

/* Mega Links & List */
.mega-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mega-list li a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.mega-list li a i {
  color: var(--color-primary);
  font-size: 0.9rem;
  transition: transform var(--transition-fast);
  width: 16px;
  text-align: center;
}

.mega-list li a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

.mega-list li a:hover i {
  transform: scale(1.2);
}

/* Premium Promo Card (Right Side) */
.mega-promo-column {
  height: 100%;
}

.mega-promo-card {
  background: linear-gradient(145deg, var(--color-secondary-light) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
}

.mega-promo-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0, 168, 204, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.mega-badge {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  align-self: flex-start;
  text-transform: uppercase;
}

.mega-promo-card h5 {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0;
  line-height: 1.3;
}

.mega-promo-card p {
  color: #cbd5e1;
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
}

.promo-btn {
  background: #fff !important;
  color: var(--color-secondary) !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
  margin-top: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.promo-btn:hover {
  background: var(--color-primary) !important;
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 168, 204, 0.4);
}

.mobile-toggle {
  display: none;
  background: #00a8cc !important; /* Daha belirgin olsun */
  border: none;
  font-size: 1.5rem;
  color: #fff !important;
  cursor: pointer;
  padding: 10px 15px;
  border-radius: 8px;
  z-index: 999999 !important; /* En üstte */
  position: relative;
}

/* --- Hero Sections --- */
.hero-tag {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: rgba(0, 168, 204, 0.2);
  border-left: 4px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  margin-bottom: 1.5rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--color-primary);
}

.stat-item p {
  color: #cbd5e1;
  font-size: 0.9rem;
  text-transform: uppercase;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.home-hero {
  height: calc(100vh - 130px);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  position: relative;
  color: #fff;
}

.home-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.2) 100%);
}

.inner-hero {
  background: var(--color-secondary);
  color: #fff;
  padding: 6rem 0;
  text-align: center;
}

.inner-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
}

/* --- Cards & Grid --- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  text-align: center;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.card-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

/* --- Footer --- */
.footer {
  background: var(--color-secondary);
  color: #94a3b8;
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 60px 0;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; gap: 30px; }
}
@media (max-width: 992px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .nav-menu { 
    display: none; 
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #fff;
    padding: 1.5rem 0;
    border-bottom: 3px solid var(--color-primary);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    gap: 0;
    z-index: 99999; /* Menü açıldığında en üstte kalsın */
  }
  .nav-menu.active { 
    display: flex !important; 
    visibility: visible !important;
    opacity: 1 !important;
    animation: fadeInDown 0.3s ease-out;
  }
  .nav-item { width: 100%; }
  .nav-link { 
    padding: 1rem 2rem; 
    border-bottom: 1px solid #f1f5f9;
    width: 100%;
    justify-content: space-between;
  }
  .dropdown-menu, .mega-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: #f8fafc;
    width: 100%;
    padding: 0;
    display: none; /* Mobilde dropdown gizli kalsın, hover/tıklama ile açılır */
    pointer-events: all;
  }
  .nav-item:hover .dropdown-menu, .nav-item:hover .mega-menu {
    display: block;
  }
  .mega-menu {
    padding: 1.5rem 2rem;
  }
  .mega-menu-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .mega-column.mega-intro, .mega-column.mega-promo-column {
    display: none !important; /* Mobilde slogan ve sağdaki reklam kartlarını gizle, sade dursun */
  }
  .mobile-toggle { display: block; }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; padding: 20px 0; gap: 30px; }
}
/* --- Bottom Icons (Tools/Quick Links) --- */
.bottom-icons { 
    margin-top: 80px; 
    padding-top: 40px; 
    border-top: 1px solid var(--color-border); 
    display: flex; 
    justify-content: center; 
    gap: 3rem; 
    width: 100%;
}
.icon-item { 
    text-decoration: none; 
    color: var(--color-heading); 
    display: inline-flex; 
    flex-direction: column; 
    align-items: center; 
    transition: all var(--transition-normal); 
}
.icon-item:hover { 
    transform: translateY(-5px); 
    color: var(--color-primary); 
}
.icon-item img { 
    width: 60px; 
    height: 60px; 
    margin-bottom: 1rem; 
    display: block; 
    object-fit: contain;
}
.icon-item span { 
    font-size: 0.9rem; 
    font-weight: 800; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
}

@media (max-width: 768px) {
    .bottom-icons { flex-direction: column; gap: 2rem; align-items: center; }
}
/* --- Premium Section Header (Creative) --- */
.premium-section-header {
    position: relative;
    margin-bottom: 60px;
    padding: 40px 0;
}

.tech-badge {
    display: inline-block;
    background: rgba(0, 168, 204, 0.1);
    color: var(--color-primary);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 15px;
    border: 1px solid rgba(0, 168, 204, 0.2);
    text-transform: uppercase;
}

.premium-title {
    font-size: 3rem;
    color: #0f172a;
    font-weight: 900;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.glow-bar-container {
    width: 120px;
    height: 4px;
    background: #f1f5f9;
    margin: 0 auto 25px;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.glow-bar {
    position: absolute;
    top: 0; left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    animation: header-glow 3s infinite;
}

@keyframes header-glow {
    0% { left: -100%; }
    50% { left: 100%; }
    100% { left: 100%; }
}

.premium-subtitle {
    color: #64748b;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.industrial-corners {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.industrial-corners span {
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: rgba(0, 168, 204, 0.1);
    border-style: solid;
}

.industrial-corners span:nth-child(1) { top: 0; left: 10%; border-width: 2px 0 0 2px; }
.industrial-corners span:nth-child(2) { top: 0; right: 10%; border-width: 2px 2px 0 0; }
.industrial-corners span:nth-child(3) { bottom: 0; left: 10%; border-width: 0 0 2px 2px; }
.industrial-corners span:nth-child(4) { bottom: 0; right: 10%; border-width: 0 2px 2px 0; }

@media (max-width: 768px) {
    .premium-title { font-size: 2.2rem; }
    .industrial-corners span { display: none; }
}

/* --- Premium Sticky Floating Buttons --- */
.sticky-buttons {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 9999;
}

.sticky-btn {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white !important;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  border: none;
  outline: none;
}

.sticky-btn i {
  font-size: 1.6rem;
  transition: transform 0.3s ease;
}

.sticky-btn:hover {
  transform: scale(1.1) translateY(-3.2px);
}

.sticky-btn:hover i {
  transform: scale(1.1);
}

/* WhatsApp Button matching image style */
.sticky-btn-whatsapp {
  background: #25d366;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4), inset 0 2px 4px rgba(255,255,255,0.2);
}
.sticky-btn-whatsapp:hover {
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6), inset 0 2px 4px rgba(255,255,255,0.2);
}

/* Teklif Al (Get Quote) Button with rocket icon & blue glow */
.sticky-btn-teklif {
  background: linear-gradient(135deg, #0072ff 0%, #00c6ff 100%);
  box-shadow: 0 10px 25px rgba(0, 114, 255, 0.45), inset 0 2px 4px rgba(255,255,255,0.2);
}
.sticky-btn-teklif:hover {
  box-shadow: 0 15px 30px rgba(0, 114, 255, 0.65), inset 0 2px 4px rgba(255,255,255,0.2);
}
.sticky-btn-teklif i {
  transform: rotate(-45deg); /* Rocket angled nicely */
}
.sticky-btn-teklif:hover i {
  transform: rotate(-45deg) scale(1.1) translate(1px, -1px);
}

/* AI Chat Button styling */
.sticky-btn-ai {
  background: linear-gradient(135deg, #00a8cc 0%, #0077a8 100%);
  box-shadow: 0 10px 25px rgba(0, 168, 204, 0.4), inset 0 2px 4px rgba(255,255,255,0.2);
}
.sticky-btn-ai:hover {
  box-shadow: 0 15px 30px rgba(0, 168, 204, 0.6), inset 0 2px 4px rgba(255,255,255,0.2);
}

/* Tooltip for buttons on hover */
.sticky-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  right: 70px;
  background: rgba(15, 23, 42, 0.95);
  color: #fff;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 5px 15px rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.1);
  pointer-events: none;
}
.sticky-btn:hover::after {
  opacity: 1;
  visibility: visible;
  right: 65px;
}

/* ==========================================================================
   PREMIUM CAPACITY CALCULATOR SYSTEM
   ========================================================================== */

.calc-premium-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 40px;
    align-items: start;
    max-width: 1200px;
    margin: 40px auto;
}

.calc-premium-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 168, 204, 0.15);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
    transition: all 0.3s ease;
}

.calc-premium-card:hover {
    box-shadow: 0 25px 50px rgba(0, 168, 204, 0.08);
    border-color: rgba(0, 168, 204, 0.3);
}

.calc-section-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid rgba(0, 168, 204, 0.1);
    padding-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calc-section-title i {
    color: var(--color-primary);
}

/* Custom inputs & range sliders */
.calc-row-premium {
    margin-bottom: 24px;
}

.calc-label-premium {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-secondary-light);
    margin-bottom: 8px;
}

.calc-label-premium span.val-badge {
    background: rgba(0, 168, 204, 0.1);
    color: var(--color-primary);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 800;
    border: 1px solid rgba(0, 168, 204, 0.2);
}

.calc-input-wrapper-premium {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Range Slider Styles */
.calc-range {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 5px;
    background: #e2e8f0;
    outline: none;
    transition: background 0.3s;
}

.calc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 168, 204, 0.4);
    transition: transform 0.1s, background 0.3s;
}

.calc-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--color-primary-dark);
}

.calc-number-input {
    width: 90px;
    padding: 8px 12px;
    border: 1.5px solid #cbd5e1;
    border-radius: 8px;
    outline: none;
    text-align: right;
    font-weight: 700;
    color: var(--color-secondary);
    font-size: 0.9rem;
    transition: all 0.3s;
}

.calc-number-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.15);
}

/* Select element */
.calc-select-premium {
    width: 100%;
    padding: 10px 15px;
    border: 1.5px solid #cbd5e1;
    border-radius: 8px;
    outline: none;
    font-weight: 600;
    color: var(--color-secondary);
    background-color: #fff;
    font-size: 0.9rem;
    transition: all 0.3s;
    cursor: pointer;
}

.calc-select-premium:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.15);
}

/* Cabinet visualizer & matches on the right */
.calc-right-column {
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: sticky;
    top: 170px;
}

.svg-visualizer-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 168, 204, 0.15);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 320px;
}

.cabinet-svg-container {
    width: 100%;
    max-width: 250px;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Result box and product recommend */
.result-premium-card {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-radius: 20px;
    padding: 30px;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.result-glow-header {
    text-align: center;
    margin-bottom: 25px;
}

.result-value-glow {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--color-primary);
    text-shadow: 0 0 20px rgba(0, 168, 204, 0.5);
    margin-top: 5px;
}

.result-value-glow span {
    font-size: 1.2rem;
    font-weight: 700;
    color: #94a3b8;
    margin-left: 5px;
    text-shadow: none;
}

/* Product recommendation card inside results */
.rec-product-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 20px;
    margin-top: 15px;
    transition: all 0.3s;
}

.rec-product-flex {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
}

.rec-product-img-box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 10px;
    width: 90px;
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rec-product-img-box img {
    max-height: 90px;
    max-width: 100%;
    object-fit: contain;
}

.rec-product-info {
    flex: 1;
}

.rec-product-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 5px;
}

.rec-product-badge {
    background: rgba(0, 168, 204, 0.2);
    color: var(--color-primary);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    display: inline-block;
}

.rec-specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    font-size: 0.75rem;
    color: #cbd5e1;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 15px;
    margin-top: 15px;
}

.rec-spec-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
}

.rec-spec-label {
    opacity: 0.7;
}

.rec-spec-val {
    font-weight: 700;
}

/* Call to Action Buttons */
.rec-buttons-flex {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.btn-calc-cta {
    flex: 1;
    padding: 12px;
    border-radius: 10px;
    font-weight: 800;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s;
    text-decoration: none;
    border: none;
}

.btn-calc-wa {
    background: #25d366;
    color: #fff !important;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.2);
}

.btn-calc-wa:hover {
    background: #20ba5a;
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(37, 211, 102, 0.35);
}

.btn-calc-quote {
    background: var(--color-primary);
    color: #fff !important;
    box-shadow: 0 8px 20px rgba(0, 168, 204, 0.2);
}

.btn-calc-quote:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(0, 168, 204, 0.35);
}

.btn-calc-print {
    background: rgba(255, 255, 255, 0.1);
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
    margin-top: 12px;
    padding: 10px;
    font-size: 0.8rem;
    border-radius: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-calc-print:hover {
    background: rgba(255, 255, 255, 0.18);
}

/* Recommended article suggestions */
.suggested-articles-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 168, 204, 0.15);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
}

.suggested-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1.5px solid rgba(0, 168, 204, 0.08);
    padding-bottom: 8px;
}

.suggested-link-box {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.suggested-article-item {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-secondary-light);
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.2s;
    padding: 8px;
    border-radius: 8px;
    background: rgba(0, 168, 204, 0.02);
    border: 1px solid rgba(0, 168, 204, 0.04);
}

.suggested-article-item:hover {
    color: var(--color-primary);
    background: rgba(0, 168, 204, 0.05);
    border-color: rgba(0, 168, 204, 0.15);
    transform: translateX(4px);
}

.suggested-article-item i {
    color: var(--color-primary);
    font-size: 1rem;
}

/* Responsive fixes */
@media (max-width: 992px) {
    .calc-premium-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 15px;
    }
    .calc-right-column {
        position: static;
    }
}