/* =============================================
   TechToSolar - Professional Website Styles
   ============================================= */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --color-primary: #3B66F5;         /* Vibrant Royal Blue from Slide 19 */
  --color-primary-light: #6085FF;   /* Light Royal Blue */
  --color-primary-dark: #1B44D3;    /* Dark Royal Blue */
  --color-secondary: #0B0F24;       /* Brand Dark Navy */
  --color-secondary-light: #131F4A; /* Slide 19 Navy */
  --color-accent: #FCEB2B;          /* Vibrant Yellow Sun from Slide 19 */
  --color-accent-light: #FFF460;    /* Light Sun Yellow */
  --color-white: #FFFFFF;
  --color-gray-50: #F4F6FC;
  --color-gray-100: #EAEFFC;
  --color-gray-200: #CBD5E1;
  --color-gray-300: #94A3B8;
  --color-gray-400: #64748B;
  --color-gray-500: #475569;
  --color-gray-600: #334155;
  --color-gray-700: #1E293B;
  --color-gray-800: #12183A;
  --color-gray-900: #080B1C;
  --color-danger: #EF4444;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2F6BFF 0%, #5D80F3 100%);
  --gradient-dark: linear-gradient(135deg, #0B0F24 0%, #161B3D 100%);
  --gradient-hero: linear-gradient(135deg, rgba(11, 15, 36, 0.98) 0%, rgba(11, 15, 36, 0.85) 50%, rgba(47, 107, 255, 0.25) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.03) 100%);
  --gradient-accent: linear-gradient(135deg, #F5C518 0%, #E0A800 100%);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-display: 'Anton', sans-serif; /* Brand font from PDF */

  /* Sizing */
  --container-max: 1200px;
  --header-height: 80px;
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  --border-radius-xl: 28px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 30px rgba(47, 107, 255, 0.35);
  --shadow-accent-glow: 0 0 20px rgba(47, 107, 255, 0.25);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-gray-700);
  background-color: var(--color-white);
  overflow-x: hidden;
  width: 100%;
}

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

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-secondary);
}

h1 { 
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem); 
  font-weight: normal;
  text-transform: uppercase;
  letter-spacing: 1px;
}
h2 { 
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem); 
}
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-gray-600);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-subtitle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-subtitle::before,
.section-subtitle::after {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--color-gray-500);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(47, 107, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(47, 107, 255, 0.45);
}

.btn-outline {
  border: 2px solid rgba(255,255,255,0.4);
  color: var(--color-white);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-secondary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ---------- HEADER ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-base);
  padding: 0 0;
}

.header.transparent {
  background: transparent;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
  flex-shrink: 0;
  white-space: nowrap;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform var(--transition-spring);
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo:hover .logo-icon {
  transform: scale(1.08);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: normal;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color var(--transition-base);
}

.header.transparent .logo-text {
  color: var(--color-white);
}

.header.scrolled .logo-text {
  color: var(--color-secondary);
}

.logo-text span {
  color: var(--color-primary);
}

/* Navigation */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 12px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 50px;
  transition: all var(--transition-base);
  position: relative;
  white-space: nowrap;
}

.header.transparent .nav-link {
  color: rgba(255, 255, 255, 0.85);
}

.header.transparent .nav-link:hover,
.header.transparent .nav-link.active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.12);
}

.header.scrolled .nav-link {
  color: var(--color-gray-600);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
  color: var(--color-primary);
  background: rgba(47, 107, 255, 0.08);
}

.nav-cta {
  margin-left: 12px;
}

.header.transparent .nav-cta .btn {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: 10px 24px;
  font-size: 0.85rem;
}

.header.scrolled .nav-cta .btn {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* Language Toggle */
.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50px;
  padding: 6px 14px;
  cursor: pointer;
  transition: all var(--transition-base);
  user-select: none;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  border: none;
}

.header.transparent .lang-toggle {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

.header.scrolled .lang-toggle {
  background: rgba(47, 107, 255, 0.06);
  border: 1px solid var(--color-gray-200);
  color: var(--color-secondary);
}

.lang-toggle:hover {
  transform: translateY(-1px);
}

.header.transparent .lang-toggle:hover {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.15);
}

.header.scrolled .lang-toggle:hover {
  border-color: var(--color-primary);
  background: rgba(47, 107, 255, 0.1);
  color: var(--color-primary);
}

.lang-toggle .globe-icon {
  flex-shrink: 0;
  opacity: 0.8;
  transition: transform var(--transition-spring);
}

.lang-toggle:hover .globe-icon {
  transform: rotate(15deg);
}

/* Mobile language toggle */
.mobile-lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  margin-bottom: 10px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50px;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
}

.mobile-lang-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.mobile-lang-toggle .globe-icon {
  flex-shrink: 0;
  opacity: 0.8;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  cursor: pointer;
  z-index: 1001;
  padding: 4px 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  border-radius: 3px;
  transition: all var(--transition-base);
}

.header.transparent .hamburger span {
  background: var(--color-white);
}

.header.scrolled .hamburger span {
  background: var(--color-secondary);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  background: var(--color-secondary);
  padding: 100px 40px 40px;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: 999;
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 998;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-link {
  display: block;
  padding: 16px 0;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--color-primary-light);
  transform: translateX(6px);
}

.mobile-menu .btn {
  width: 100%;
  margin-top: 24px;
  text-align: center;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-secondary);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: 2;
}

/* Particle canvas */
#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 4;
  max-width: 750px;
  padding-top: 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(47, 107, 255, 0.12);
  border: 1px solid rgba(47, 107, 255, 0.25);
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 20px;
  line-height: 1.1;
}

.hero-title .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  line-height: 1.8;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce-scroll 2s infinite;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(47, 107, 255, 0.7), transparent);
}

@keyframes bounce-scroll {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ---------- ABOUT ---------- */
.about {
  background: var(--color-gray-50);
}

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

.about-image {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255,255,255,0.1);
}

.about-image-badge-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.about-image-badge-text {
  color: var(--color-white);
  font-family: var(--font-heading);
}

.about-image-badge-text span {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.about-image-badge-text small {
  font-size: 0.75rem;
  opacity: 0.7;
}

.about-text .section-subtitle {
  justify-content: flex-start;
}

.about-text .section-subtitle::before {
  display: none;
}

.about-text h2 {
  margin-bottom: 20px;
}

.about-text p {
  margin-bottom: 24px;
  font-size: 1.02rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.about-feature:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: rgba(47, 107, 255, 0.1);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.about-feature span {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-secondary);
}

/* ---------- SERVICES ---------- */
.services {
  background: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: rgba(47, 107, 255, 0.1);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  transform: scale(1.1);
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-gray-500);
}

/* ---------- PRODUCTS ---------- */
.products {
  background: var(--color-secondary);
  position: relative;
  overflow: hidden;
}

.products::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(47, 107, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.products .section-subtitle {
  color: var(--color-primary-light);
}

.products .section-title {
  color: var(--color-white);
}

.products .section-desc {
  color: var(--color-gray-400);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(47, 107, 255, 0.3);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), var(--shadow-glow);
}

.product-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 50%, rgba(15,23,42,0.8) 100%);
}

.product-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 14px;
  background: var(--gradient-primary);
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.product-info {
  padding: 24px;
}

.product-info h3 {
  color: var(--color-white);
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.product-info p {
  color: var(--color-gray-400);
  font-size: 0.88rem;
  margin-bottom: 16px;
  line-height: 1.6;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all var(--transition-base);
}

.product-link:hover {
  color: var(--color-primary-light);
  gap: 10px;
}

.product-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-base);
}

.product-card:hover .product-link svg {
  transform: translateX(4px);
}

/* ---------- STATS / COUNTER ---------- */
.stats {
  position: relative;
  padding: 80px 0;
  background: var(--gradient-primary);
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- REFERENCES ---------- */
.references {
  background: var(--color-gray-50);
}

.references-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 60px;
}

.ref-logo {
  width: 130px;
  height: 65px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  transition: all var(--transition-base);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--color-gray-400);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.ref-logo:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--color-primary);
}

/* Testimonials */
.testimonials-slider {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-100);
  text-align: center;
  display: none;
}

.testimonial-card.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

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

.testimonial-quote {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1;
}

.testimonial-card p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-gray-600);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-white);
  font-size: 1.1rem;
}

.testimonial-info strong {
  display: block;
  font-family: var(--font-heading);
  color: var(--color-secondary);
  font-size: 0.95rem;
}

.testimonial-info span {
  font-size: 0.8rem;
  color: var(--color-gray-400);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gray-300);
  cursor: pointer;
  transition: all var(--transition-base);
}

.testimonial-dot.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

/* ---------- CONTACT ---------- */
.contact {
  background: var(--color-white);
}

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

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info > p {
  margin-bottom: 32px;
  color: var(--color-gray-500);
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-item-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  background: rgba(47, 107, 255, 0.1);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-base);
}

.contact-item:hover .contact-item-icon {
  background: var(--gradient-primary);
  transform: scale(1.05);
}

.contact-item-text strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 4px;
}

.contact-item-text span,
.contact-item-text a {
  font-size: 0.92rem;
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.contact-item-text a:hover {
  color: var(--color-primary);
}

.contact-social {
  display: flex;
  gap: 12px;
  margin-top: 36px;
}

.social-link {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  font-size: 1.1rem;
}

.social-link:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--color-gray-50);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  border: 1px solid var(--color-gray-200);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-secondary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-secondary);
  transition: all var(--transition-base);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(47, 107, 255, 0.1);
}

.form-control::placeholder {
  color: var(--color-gray-400);
}

textarea.form-control {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form-wrapper .btn {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--color-secondary);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  color: var(--color-white);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.8;
}

.footer h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a::before {
  content: '›';
  color: var(--color-primary);
  font-weight: 700;
  transition: transform var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.88rem;
}

.footer-contact-item .fc-icon {
  color: var(--color-primary);
  font-size: 1rem;
  min-width: 20px;
  margin-top: 2px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-primary);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.2rem;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-glow);
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(47, 107, 255, 0.5);
}

/* ---------- SCROLL ANIMATIONS ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered delays for children */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* ---------- RESPONSIVE: TABLET ---------- */
@media (max-width: 992px) {
  .section {
    padding: 70px 0;
  }

  /* Header */
  .nav-menu,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image img {
    height: 380px;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  /* Products */
  .products-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 24px;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

/* ---------- RESPONSIVE: MOBILE ---------- */
@media (max-width: 576px) {
  .section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .container {
    padding: 0 16px;
  }

  /* Hero */
  .hero-content {
    padding-top: 40px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-desc {
    font-size: 0.95rem;
  }

  .hero-badge {
    font-size: 0.68rem;
    padding: 6px 14px;
    letter-spacing: 0.5px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .hero-scroll {
    display: none;
  }

  /* About */
  .about-image img {
    height: 260px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .about-feature {
    padding: 12px 14px;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 28px 22px;
  }

  /* Products */
  .products-grid {
    grid-template-columns: 1fr;
  }

  .product-image {
    height: 200px;
  }

  .product-info {
    padding: 20px;
  }

  /* Stats */
  .stats {
    padding: 60px 0;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 16px;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  /* References */
  .references-logos {
    gap: 16px;
    margin-bottom: 40px;
  }

  .ref-logo {
    width: 110px;
    height: 55px;
    padding: 10px 14px;
    font-size: 0.68rem;
  }

  /* Testimonials */
  .testimonial-card {
    padding: 24px 20px;
  }

  .testimonial-card p {
    font-size: 0.92rem;
  }

  .testimonial-quote {
    font-size: 1.6rem;
  }

  .testimonial-author {
    gap: 12px;
  }

  .testimonial-avatar {
    width: 42px;
    height: 42px;
    font-size: 0.95rem;
  }

  /* Contact */
  .contact-info h2 {
    font-size: 1.5rem;
  }

  /* Form */
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-wrapper {
    padding: 24px 18px;
  }

  /* Problem & Solution */
  .problem-card, .solution-card {
    padding: 24px 20px;
  }

  .problem-list li, .solution-list li {
    font-size: 0.88rem;
  }

  /* Scenarios */
  .scenarios-tab-btn {
    padding: 10px 16px;
    font-size: 0.78rem;
    gap: 5px;
  }

  .scenarios-content {
    min-height: auto;
  }

  .scenario-info h3 {
    font-size: 1.5rem;
  }

  .scenario-info p {
    font-size: 0.92rem;
  }

  .scenario-features-list li {
    font-size: 0.85rem;
  }

  .scenario-image-wrapper img {
    height: 220px;
  }

  .scenario-badge {
    font-size: 0.65rem;
    padding: 5px 10px;
    letter-spacing: 1px;
  }

  /* Footer */
  .footer {
    padding: 50px 0 0;
  }

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

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

  .footer .contact-social .social-link {
    border-color: rgba(255, 255, 255, 0.12);
  }

  /* Mobile Menu */
  .mobile-menu {
    width: 100%;
    padding: 90px 30px 30px;
  }

  .mobile-nav-link {
    font-size: 1.05rem;
    padding: 14px 0;
  }

  /* Back to top */
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }
}

/* ---------- RESPONSIVE: SMALL MOBILE ---------- */
@media (max-width: 380px) {
  .hero-title {
    font-size: 1.7rem;
  }

  .hero-badge {
    font-size: 0.6rem;
    padding: 5px 10px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px 12px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }

  .scenario-info h3 {
    font-size: 1.3rem;
  }

  .scenario-image-wrapper img {
    height: 180px;
  }
}

/* ---------- UTILITY ---------- */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Footer link transition fix - ensure translateX works */
.footer-links a {
  display: inline-flex;
  transition: all var(--transition-fast);
}

/* Loading / Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(47, 107, 255, 0.15);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- PROBLEM & SOLUTION ---------- */
.problem-solution {
  background: var(--color-gray-50);
}

.problem-solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 50px;
}

.problem-card, .solution-card {
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.problem-card {
  background: var(--color-white);
  border-top: 4px solid var(--color-danger);
  border-left: 1px solid rgba(11, 15, 36, 0.05);
  border-right: 1px solid rgba(11, 15, 36, 0.05);
  border-bottom: 1px solid rgba(11, 15, 36, 0.05);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.problem-card h3 {
  color: var(--color-danger);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
}

.solution-card {
  background: var(--color-secondary-light);
  border-top: 4px solid var(--color-primary);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  border-left: 1px solid rgba(255, 255, 255, 0.05);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.solution-card::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(47, 107, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.solution-card h3 {
  color: var(--color-white);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
}

.solution-card h3 span {
  color: var(--color-primary-light);
}

.problem-list, .solution-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.problem-list li, .solution-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.problem-list li svg {
  color: var(--color-danger);
  min-width: 20px;
  margin-top: 4px;
}

.solution-list li svg {
  color: var(--color-primary-light);
  min-width: 20px;
  margin-top: 4px;
}

/* ---------- KULLANIM SENARYOLARI (SCENARIOS HUB) ---------- */
.scenarios {
  background: var(--color-secondary);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.scenarios::before {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(47, 107, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.scenarios .section-subtitle {
  color: var(--color-primary-light);
}

.scenarios .section-title {
  color: var(--color-white);
}

.scenarios .section-desc {
  color: var(--color-gray-300);
}

.scenarios-container {
  margin-top: 40px;
}

.scenarios-tabs-wrapper {
  overflow-x: auto;
  padding-bottom: 15px;
  margin-bottom: 40px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.scenarios-tabs-wrapper::-webkit-scrollbar {
  height: 6px;
}

.scenarios-tabs-wrapper::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.scenarios-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  min-width: max-content;
  margin: 0 auto;
  padding: 0 10px;
}

.scenarios-tab-btn {
  padding: 14px 26px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.scenarios-tab-btn svg {
  width: 18px;
  height: 18px;
}

.scenarios-tab-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-primary-light);
  color: var(--color-white);
  transform: translateY(-1px);
}

.scenarios-tab-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

/* Scenarios Grid Layout */
.scenarios-grid-wrapper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .scenarios-grid-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .scenarios-grid-wrapper {
    grid-template-columns: 1fr;
  }
}

/* Scenario Cards */
.scenario-card-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-lg);
  padding: 30px;
  display: flex;
  gap: 20px;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.scenario-card-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.sc-card-icon {
  font-size: 2.2rem;
  width: 60px;
  height: 60px;
  min-width: 60px;
  background: rgba(47, 107, 255, 0.12);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.scenario-card-item:hover .sc-card-icon {
  background: var(--gradient-primary);
  color: var(--color-white);
  transform: scale(1.08);
}

.sc-card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.sc-cat-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.sc-card-content h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--color-white);
}

.sc-card-content p {
  font-size: 0.88rem;
  color: var(--color-gray-400);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.btn-sc-detail {
  align-self: flex-start;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-light);
  background: transparent;
  border: none;
  transition: transform var(--transition-fast), color var(--transition-fast);
  padding: 0;
}

.scenario-card-item:hover .btn-sc-detail {
  color: var(--color-white);
  transform: translateX(4px);
}

/* Modal Popup Window */
.scenario-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.scenario-modal.active {
  opacity: 1;
  visibility: visible;
}

.scenario-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(8, 11, 28, 0.85);
  backdrop-filter: blur(12px);
}

.scenario-modal-container {
  position: relative;
  width: 90%;
  max-width: 1000px;
  background: var(--color-secondary-light);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-xl);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), var(--shadow-glow);
  z-index: 2;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-height: 85vh;
  display: flex;
}

.scenario-modal.active .scenario-modal-container {
  transform: scale(1);
}

.scenario-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-base);
}

.scenario-modal-close:hover {
  background: var(--color-danger);
  color: var(--color-white);
  border-color: transparent;
  transform: rotate(90deg);
}

.scenario-modal-content {
  display: flex;
  width: 100%;
  height: 100%;
}

@media (max-width: 850px) {
  .scenario-modal-container {
    max-height: 90vh;
    overflow-y: auto;
  }
  .scenario-modal-content {
    flex-direction: column;
  }
}

.scenario-modal-left {
  flex: 1.3;
  background: #080b1c;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 350px;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

@media (max-width: 850px) {
  .scenario-modal-left {
    min-height: 250px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
}

.slide-img-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}

.slide-img-wrapper img {
  max-width: 100%;
  max-height: 480px;
  object-fit: contain;
  border-radius: var(--border-radius-md);
  transition: opacity 0.3s ease;
}

@media (max-width: 850px) {
  .slide-img-wrapper img {
    max-height: 280px;
  }
}

.slide-img-spinner {
  position: absolute;
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--color-primary-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

.scenario-modal-right {
  flex: 1;
  padding: 40px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  max-height: 85vh;
}

@media (max-width: 850px) {
  .scenario-modal-right {
    max-height: none;
    padding: 30px 24px;
  }
}

.modal-category {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-primary-light);
  background: rgba(47, 107, 255, 0.15);
  border: 1px solid rgba(47, 107, 255, 0.25);
  padding: 6px 14px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.scenario-modal-right h2 {
  font-size: 1.8rem;
  color: var(--color-white);
  margin-bottom: 12px;
  line-height: 1.25;
}

.scenario-modal-right p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-gray-300);
  margin-bottom: 24px;
}

.scenario-modal-right h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-features-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-gray-300);
  line-height: 1.4;
}

.modal-features-list li svg {
  margin-top: 2px;
}

.scenarios-content {
  position: relative;
  min-height: 450px;
}

.scenario-pane {
  display: none;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: center;
}

.scenario-pane.active {
  display: grid;
  animation: fadeScale 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeScale {
  from { opacity: 0; transform: scale(0.97) translateY(15px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

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

.scenario-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 6px 14px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  gap: 6px;
}

.badge-defense {
  background: rgba(239, 68, 68, 0.15);
  color: #F87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-security {
  background: rgba(47, 107, 255, 0.12);
  color: var(--color-primary-light);
  border: 1px solid rgba(47, 107, 255, 0.3);
  box-shadow: var(--shadow-accent-glow);
}

.badge-traffic {
  background: rgba(59, 130, 246, 0.15);
  color: #60A5FA;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-environment {
  background: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-infrastructure {
  background: rgba(139, 92, 246, 0.15);
  color: #A78BFA;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.scenario-info h3 {
  color: var(--color-white);
  font-size: 2.2rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: normal;
  letter-spacing: 0.5px;
  line-height: 1.15;
}

.scenario-info p {
  color: var(--color-gray-300);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 0;
}

.scenario-features-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.scenario-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--color-gray-200);
  line-height: 1.4;
}

.scenario-features-list li svg {
  color: var(--color-primary-light);
  min-width: 18px;
  margin-top: 2px;
}

.scenario-image-wrapper {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.scenario-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.scenario-image-wrapper:hover img {
  transform: scale(1.03);
}

.scenario-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 60%, rgba(11, 15, 36, 0.8) 100%);
  pointer-events: none;
}

/* ---------- RESPONSIVE: ADDITIONAL (TABLET) ---------- */
@media (max-width: 992px) {
  .problem-solution-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .scenario-pane {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .scenario-image-wrapper img {
    height: 320px;
  }

  .scenario-info h3 {
    font-size: 1.8rem;
  }

  .scenarios-content {
    min-height: auto;
  }

  .scenarios-tabs {
    justify-content: flex-start;
  }

  .testimonial-card {
    padding: 30px 24px;
  }

  .problem-card, .solution-card {
    padding: 30px;
  }

  .references-logos {
    gap: 24px;
  }
}