/* ============================================
   ELITA MÜHENDİSLİK - Modern Website Styles
   ============================================ */

:root {
  /* Colors */
  --color-bg: #0a0e17;
  --color-bg-secondary: #111827;
  --color-bg-card: #1a2234;
  --color-bg-elevated: #232d42;
  
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  
  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-primary-dark: #2563eb;
  
  --color-accent: #06b6d4;
  --color-accent-green: #10b981;
  --color-accent-orange: #f59e0b;
  
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-light: rgba(255, 255, 255, 0.12);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --gradient-hero: linear-gradient(180deg, rgba(10, 14, 23, 0) 0%, #0a0e17 100%);
  --gradient-card: linear-gradient(145deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', var(--font-primary);
  
  /* Spacing */
  --section-padding: 6rem;
  --container-width: 1200px;
  
  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

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

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section__tag {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn--primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-light);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-primary);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn--full {
  width: 100%;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
}

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

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
}

.header .logo-img {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  height: 40px;
}

.header.scrolled .logo-img {
  height: 36px;
  padding: 3px 7px;
}

.footer .logo-img {
  height: 48px;
  margin-bottom: 0.5rem;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 6px 10px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__link {
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-text);
}

.nav__link--cta {
  background: var(--gradient-primary);
  color: white !important;
  margin-left: 0.5rem;
}

.nav__link--cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero__glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary-light);
}

.hero__badge--energy {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.25);
  color: var(--color-accent-orange);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

.badge-dot--orange {
  background: var(--color-accent-orange);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero__title--extended {
  font-size: clamp(1.65rem, 4vw, 2.75rem);
  line-height: 1.3;
  max-width: 900px;
}

.hero__expertise {
  margin-bottom: 1.5rem;
}

.hero__slogan {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  max-width: 820px;
  opacity: 0;
  transform: translateY(12px);
}

.hero__expertise-label {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(12px);
}

.hero__expertise-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 2.15rem);
  font-weight: 700;
  line-height: 1.25;
  max-width: 820px;
}

.hero__expertise-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  opacity: 0;
  transform: translateX(-28px);
}

.hero__expertise-item::before {
  content: '';
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-primary);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
  animation: expertiseDotPulse 2s ease-in-out infinite;
  animation-delay: calc(var(--i) * 0.15s);
}

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

.hero__expertise.animated .hero__slogan,
.hero__expertise.animated .hero__expertise-label {
  animation: heroExpertiseIn 0.55s ease forwards;
}

.hero__expertise.animated .hero__expertise-label {
  animation-delay: 0.1s;
}

.hero__expertise.animated .hero__expertise-item {
  animation: heroExpertiseIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(0.15s + var(--i) * 0.12s);
}

@keyframes heroExpertiseIn {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes expertiseDotPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
  }
  50% {
    transform: scale(1.25);
    box-shadow: 0 0 18px rgba(6, 182, 212, 0.9);
  }
}

.hero__description {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 700px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.stat__label {
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-border-light);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 2px;
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.3; }
}

/* Services Section */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.service-card:hover::before {
  opacity: 1;
}

.service-card--highlight {
  background: var(--gradient-card);
  border-color: rgba(59, 130, 246, 0.2);
}

.service-card--highlight::before {
  opacity: 1;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary-light);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.service-card > p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.service-card__features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-card__features li {
  font-size: 0.875rem;
  color: var(--color-text-dim);
  padding-left: 1.25rem;
  position: relative;
}

.service-card__features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* Data Center Section */
.datacenter__grid {
  max-width: 900px;
  margin: 0 auto;
}

.datacenter__text {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.datacenter__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-item__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-accent-green);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
}

.feature-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.feature-item p {
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.dc-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.dc-gallery__card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.dc-gallery__card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
}

.dc-gallery__image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.dc-gallery__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.dc-gallery__card:hover .dc-gallery__image img {
  transform: scale(1.04);
}

.dc-gallery__content {
  padding: 1.25rem;
}

.dc-gallery__content h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.dc-gallery__content p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Energy Section */
.energy {
  padding-top: 0;
}

.energy-hero {
  position: relative;
  height: 420px;
  overflow: hidden;
  margin-bottom: 4rem;
}

.energy-hero__slider {
  position: relative;
  height: 100%;
}

.energy-hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
  display: flex;
  align-items: center;
}

.energy-hero__slide.active {
  opacity: 1;
}

.energy-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 14, 23, 0.92) 0%, rgba(10, 14, 23, 0.6) 60%, rgba(10, 14, 23, 0.3) 100%);
}

.energy-hero__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  padding: 2rem 0;
}

.energy-hero__tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.energy-hero__content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.energy-hero__content p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.energy-hero__dots {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 2;
}

.energy-hero__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.energy-hero__dot.active {
  background: var(--color-primary);
  width: 28px;
  border-radius: 5px;
}

.energy__intro {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 4rem;
}

.energy__intro-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  width: 100%;
  order: 1;
  min-height: 220px;
  background: var(--color-bg-card);
}

.energy__intro-image img {
  width: 100%;
  height: auto;
  min-height: 220px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.energy__intro-content {
  order: 2;
  width: 100%;
}

.energy__intro-content .section__title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.energy__intro-content .section__tag {
  display: block;
  text-align: center;
}

.energy__intro-content p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  line-height: 1.7;
}

@media (min-width: 1025px) {
  .energy__intro {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: center;
  }

  .energy__intro-content .section__title {
    text-align: left;
  }

  .energy__intro-content .section__tag {
    text-align: left;
  }

  .energy__intro-image,
  .energy__intro-content {
    order: unset;
  }

  .energy__intro-image img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 320px;
  }
}

.section__header--spaced {
  margin-top: 4rem;
}

.systems__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.system-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.system-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
}

.system-card__image {
  height: 180px;
  overflow: hidden;
}

.system-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.system-card:hover .system-card__image img {
  transform: scale(1.05);
}

.system-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  padding: 1rem 1.25rem 0.5rem;
}

.system-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 0 1.25rem 1.25rem;
  line-height: 1.5;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 4rem;
}

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
  transition: all var(--transition-base);
  cursor: default;
}

.product-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.product-card h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.75rem 0.5rem;
  color: var(--color-text-muted);
}

.smart-home {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 1.5rem;
  background: var(--gradient-card);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-xl);
}

.smart-home__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 100%;
  order: 1;
}

.smart-home__image img {
  width: 100%;
  display: block;
  border-radius: var(--radius-lg);
}

.smart-home__content {
  order: 2;
  width: 100%;
}

.smart-home__content .section__title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.smart-home__content .section__tag {
  display: block;
  text-align: center;
}

@media (min-width: 1025px) {
  .smart-home {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: center;
    padding: 3rem;
  }

  .smart-home__content .section__title,
  .smart-home__content .section__tag {
    text-align: left;
  }

  .smart-home__image,
  .smart-home__content {
    order: unset;
  }
}

.smart-home__content p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  line-height: 1.7;
}

/* Legacy energy card styles removed */

/* Projects Section */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
}

.project-card__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary-light);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.project-card__client {
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.project-card > p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-card__tags span {
  padding: 0.25rem 0.625rem;
  background: var(--color-bg-elevated);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  border-radius: var(--radius-sm);
}

/* About Section */
.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__content p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.about__values {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.value-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.value-item__number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.5;
}

.value-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.value-item p {
  font-size: 0.875rem;
  color: var(--color-text-dim);
  margin: 0;
}

.about__image-wrapper {
  position: relative;
}

.about__image-placeholder {
  aspect-ratio: 4/3;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--color-text-dim);
}

.about__image-placeholder svg {
  width: 64px;
  height: 64px;
  opacity: 0.3;
  margin-bottom: 0.5rem;
}

.about__image-placeholder span {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.about__image-placeholder small {
  font-size: 0.875rem;
}

/* Contact Section */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact__info p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact__item {
  display: flex;
  gap: 1rem;
}

.contact__item-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-md);
}

.contact__item-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary-light);
}

.contact__item h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-text-muted);
}

.contact__item p {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0;
  line-height: 1.5;
}

.contact__item a:hover {
  color: var(--color-primary-light);
}

.contact__fax {
  font-size: 0.8125rem !important;
  color: var(--color-text-dim) !important;
}

/* Contact Form */
.contact__form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-dim);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 18px;
  padding-right: 2.5rem;
}

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

/* Footer */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer__brand p {
  color: var(--color-text-dim);
  font-size: 0.9375rem;
  margin-top: 1rem;
  max-width: 280px;
  line-height: 1.6;
}

.footer__links h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.footer__links li {
  margin-bottom: 0.75rem;
}

.footer__links a,
.footer__links li {
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.footer__links a:hover {
  color: var(--color-primary-light);
}

.footer__bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

/* Animations */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --section-padding: 4rem;
  }
  
  .datacenter__features {
    grid-template-columns: 1fr;
  }

  .dc-gallery {
    grid-template-columns: 1fr;
  }

  .datacenter__grid,
  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .energy__intro,
  .smart-home {
    gap: 2rem;
  }

  .smart-home {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }
  
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-bg-secondary);
    flex-direction: column;
    align-items: stretch;
    padding: 5rem 1.5rem 2rem;
    gap: 0.25rem;
    transition: right var(--transition-base);
    border-left: 1px solid var(--color-border);
  }
  
  .nav__menu.active {
    right: 0;
  }
  
  .nav__link {
    padding: 0.875rem 1rem;
  }
  
  .nav__link--cta {
    margin-left: 0;
    margin-top: 1rem;
    text-align: center;
  }
  
  .hero__stats {
    gap: 2rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .energy-hero {
    height: 320px;
  }

  .energy__intro-content .btn {
    display: flex;
    width: 100%;
  }

  .smart-home__content .section__tag,
  .smart-home__content .section__title {
    text-align: center;
  }

  .smart-home__content .btn {
    display: flex;
    width: 100%;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
  
  .hero__scroll {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero__expertise-list {
    font-size: 1.2rem;
    gap: 0.45rem;
  }

  .hero__expertise-item {
    gap: 0.65rem;
  }

  .hero__actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .hero__stats {
    flex-direction: column;
    gap: 1.5rem;
  }
}