/* ==========================================================================
   MELON ENERJİ - KURUMSAL WEB SİTESİ STİL DOSYASI
   Modern, Ultra-Responsive (27" 2K/4K + Mobil Uyumlu), SEO & Performans Odaklı
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Kurumsal Renk Paleti */
  --primary: #f59a12;
  --primary-hover: #e08705;
  --primary-dark: #cc7000;
  --primary-light: #fff8eb;
  --primary-glow: rgba(245, 154, 18, 0.35);
  --primary-gradient: linear-gradient(135deg, #f59a12 0%, #ff6b00 100%);
  
  --dark: #0f1216;
  --dark-surface: #15191e;
  --dark-border: rgba(255, 255, 255, 0.08);
  --dark-card: #1a2027;
  
  --text-main: #191d24;
  --text-muted: #5e6977;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  
  --bg-main: #ffffff;
  --bg-soft: #f8fafc;
  --bg-alt: #f1f5f9;
  
  --border-light: #e2e8f0;
  --border-subtle: #edf2f7;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.03);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.08);
  --shadow-xl: 0 24px 60px rgba(0,0,0,0.12);
  --shadow-primary: 0 10px 25px rgba(245, 154, 18, 0.3);
  
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1320px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

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

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

/* Top Bar (Kurumsal İletişim Şeridi) */
.top-bar {
  background: var(--dark);
  color: #cbd5e1;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid var(--dark-border);
}

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

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.top-bar a {
  color: #cbd5e1;
}

.top-bar a:hover {
  color: var(--primary);
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Site Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.brand-logo img {
  height: 56px;
  width: auto;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.brand-logo:hover img {
  transform: scale(1.02);
}

/* Desktop Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 30px;
}

.nav-link {
  position: relative;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  padding: 10px 0;
  display: inline-block;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.phone-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.phone-link .phone-icon {
  width: 34px;
  height: 34px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.phone-link:hover .phone-icon {
  background: var(--primary);
  color: #fff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #111417;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: var(--bg-soft);
  border-color: #cbd5e1;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-white {
  background: #ffffff;
  color: var(--text-main);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-white:hover {
  background: #f8fafc;
  transform: translateY(-2px);
}

.btn-outline-white {
  background: rgba(255,255,255,0.1);
  color: #ffffff;
  border: 1.5px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--dark);
  border-color: #ffffff;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: 12px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 8px;
}

.btn-icon-right {
  transition: transform 0.2s ease;
}

.btn:hover .btn-icon-right {
  transform: translateX(4px);
}

/* Mobile Toggle Hamburger */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger-box {
  width: 28px;
  height: 20px;
  position: relative;
  display: block;
}

.hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
  width: 28px;
  height: 3px;
  background-color: var(--text-main);
  border-radius: 3px;
  position: absolute;
  transition: var(--transition);
}

.hamburger-inner {
  top: 50%;
  transform: translateY(-50%);
}

.hamburger-inner::before {
  content: '';
  top: -8px;
}

.hamburger-inner::after {
  content: '';
  bottom: -8px;
}

.mobile-toggle.active .hamburger-inner {
  background-color: transparent;
}

.mobile-toggle.active .hamburger-inner::before {
  top: 0;
  transform: rotate(45deg);
  background-color: var(--primary);
}

.mobile-toggle.active .hamburger-inner::after {
  bottom: 0;
  transform: rotate(-45deg);
  background-color: var(--primary);
}

/* ==========================================================================
   PAGE HERO (İç Sayfa Üst Başlık Bannerı)
   ========================================================================== */
.page-hero {
  background: #0f1216 url('https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=2200&q=80') center/cover no-repeat;
  position: relative;
  padding: 70px 0 75px;
  color: #ffffff;
  overflow: hidden;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 18, 22, 0.94) 0%, rgba(15, 18, 22, 0.82) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: #94a3b8;
  margin-bottom: 12px;
}

.breadcrumb a {
  color: #cbd5e1;
}

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

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

.page-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 12px;
}

.page-hero-desc {
  font-size: 16.5px;
  color: #cbd5e1;
  line-height: 1.6;
}

/* ==========================================================================
   LEGAL PAGES CONTENT (KVKK, Gizlilik, Çerez)
   ========================================================================== */
.legal-box {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 48px 44px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: #0f172a;
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-light);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: #1e293b;
  margin: 22px 0 10px;
}

.legal-content p, .legal-content li {
  font-size: 15px;
  color: #475569;
  line-height: 1.75;
  margin-bottom: 14px;
}

.legal-content ul, .legal-content ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.legal-content li {
  margin-bottom: 8px;
}

.legal-highlight-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  margin: 24px 0;
}

/* ==========================================================================
   ABOUT US PAGE STYLES (Hakkımızda)
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  color: #0f172a;
  margin-bottom: 20px;
}

.about-text p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.about-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.value-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245, 154, 18, 0.4);
}

.value-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.value-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   COOKIE BANNER (Çerez Bildirimi)
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  max-width: 460px;
  background: #111417;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
  z-index: 9998;
  display: none;
  animation: slide-up 0.4s ease forwards;
}

@keyframes slide-up {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cookie-banner.active {
  display: block;
}

.cookie-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.cookie-header strong {
  font-family: var(--font-heading);
  font-size: 15px;
  color: var(--primary);
}

.cookie-text {
  font-size: 13.5px;
  color: #cbd5e1;
  line-height: 1.55;
  margin-bottom: 16px;
}

.cookie-text a {
  color: var(--primary);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 10px;
}

/* ==========================================================================
   HERO SECTION (27" Monitör & Geniş Ekran Dengesi)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 680px;
  background-color: #111417;
  background-image: url('https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=2560&q=85');
  background-position: center right;
  background-size: cover;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  padding: 90px 0 170px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.94) 45%,
    rgba(255, 255, 255, 0.6) 70%,
    rgba(255, 255, 255, 0.1) 100%
  );
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 660px;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #d97706;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(38px, 5.2vw, 68px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: #0f172a;
  margin-bottom: 22px;
}

.hero-title .highlight {
  color: var(--primary);
  position: relative;
}

.hero-description {
  font-size: clamp(16px, 1.25vw, 18.5px);
  color: #334155;
  line-height: 1.65;
  margin-bottom: 34px;
  max-width: 580px;
}

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

/* Floating Stats Bar - %100 Ortalanmış ve Kusursuz */
.hero-stats-wrapper {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--container-max);
  padding: 0 24px;
  z-index: 3;
}

.stats-card-grid {
  background: #111417;
  color: #ffffff;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-radius: 20px 20px 0 0;
  overflow: hidden;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.25);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 24px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

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

.stat-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.stat-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(245, 154, 18, 0.15);
  color: var(--primary);
  flex-shrink: 0;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 13.5px;
  font-weight: 600;
  color: #cbd5e1;
  margin-top: 2px;
}

/* ==========================================================================
   SECTION COMMON STYLES
   ========================================================================== */
.section {
  padding: 95px 0;
  position: relative;
}

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

.section-dark {
  background-color: var(--dark);
  color: var(--text-white);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 55px;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #d97706;
  margin-bottom: 12px;
}

.section-dark .section-eyebrow {
  color: var(--primary);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #0f172a;
  margin-bottom: 16px;
}

.section-dark .section-title {
  color: #ffffff;
}

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

.section-subtitle {
  font-size: 16.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

.section-dark .section-subtitle {
  color: var(--text-light);
}

/* ==========================================================================
   SERVICES SECTION (5-Card Grid)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.service-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 22px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(245, 154, 18, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

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

.service-icon-box {
  width: 64px;
  height: 64px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.service-icon-box svg {
  width: 100%;
  height: 100%;
  transition: transform 0.3s ease;
}

.service-card:hover .service-icon-box svg {
  transform: scale(1.1);
}

.service-content h3 {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 12px;
}

.service-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 24px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  color: var(--primary-dark);
  margin-top: auto;
}

.service-link .arrow-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: var(--primary-dark);
  font-size: 18px;
}

.service-card:hover .service-link .arrow-circle {
  background: var(--primary);
  color: #ffffff;
  transform: translateX(4px);
}

/* ==========================================================================
   WHY MELON ENERJİ (Dark Corporate Banner)
   ========================================================================== */
.why-section {
  background: #0d1014;
  color: #ffffff;
  padding: 85px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.why-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 32px;
  align-items: center;
}

.why-intro {
  padding-right: 20px;
}

.why-intro .section-eyebrow {
  color: var(--primary);
  margin-bottom: 8px;
}

.why-intro h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 2.5vw, 36px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.why-item {
  position: relative;
  padding-left: 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition);
}

.why-item:hover {
  border-left-color: var(--primary);
}

.why-icon {
  width: 44px;
  height: 44px;
  color: var(--primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
}

.why-item h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.why-item p {
  font-size: 13.5px;
  color: #94a3b8;
  line-height: 1.5;
}

/* ==========================================================================
   PROCESS / WORKFLOW SECTION
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.process-intro h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: #0f172a;
  margin-bottom: 18px;
}

.process-intro h2 .highlight {
  color: var(--primary);
}

.process-intro p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 30px;
}

.process-steps-list {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 16px 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--border-light);
}

.step-row {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.step-row:last-child {
  border-bottom: none;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-content h4 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   SOLAR SAVINGS & ROI CALCULATOR (İnteraktif Araç)
   ========================================================================== */
.calculator-box {
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}

.calc-inputs {
  padding: 48px 40px;
}

.calc-results {
  background: #111417;
  color: #ffffff;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-form-group {
  margin-bottom: 30px;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.calc-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: #0f172a;
}

.calc-val-badge {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 17px;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 8px;
}

.calc-range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #e2e8f0;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.calc-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(245, 154, 18, 0.5);
  transition: transform 0.1s ease;
}

.calc-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.calc-type-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.type-btn {
  background: var(--bg-soft);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-main);
  transition: var(--transition);
}

.type-btn.active, .type-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.res-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 18px 16px;
}

.res-title {
  font-size: 12px;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.res-value {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
}

.res-sub {
  font-size: 11px;
  color: #64748b;
  margin-top: 2px;
}

/* ==========================================================================
   PROJECTS / PORTFOLIO SECTION
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.1);
}

.project-img-box {
  position: relative;
  height: 260px;
  overflow: hidden;
}

.project-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-img-box img {
  transform: scale(1.08);
}

.project-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(17, 20, 23, 0.85);
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.05em;
  padding: 6px 12px;
  border-radius: 6px;
  backdrop-filter: blur(4px);
}

.project-power-badge {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: var(--primary);
  color: #111417;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.project-body {
  padding: 24px;
}

.project-location {
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.project-body h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 10px;
}

.project-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   QUOTE / CONTACT SECTION
   ========================================================================== */
.quote-section {
  background-color: #f8fafc;
}

.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.quote-info h2 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  color: #0f172a;
  margin-bottom: 18px;
}

.quote-info h2 .highlight {
  color: var(--primary);
}

.quote-info p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 32px;
}

.contact-quick-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.quick-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #ffffff;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.quick-card:hover {
  border-color: var(--primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.quick-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quick-details span {
  font-size: 12px;
  color: var(--text-light);
  display: block;
}

.quick-details strong {
  font-family: var(--font-heading);
  font-size: 16px;
  color: var(--text-main);
}

/* Modern Quote Form */
.quote-form-card {
  background: #ffffff;
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

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

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 13.5px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background-color: #fcfcfc;
  color: var(--text-main);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  background-color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(245, 154, 18, 0.15);
}

.form-status {
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  display: none;
}

.form-status.success {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-status.error {
  display: block;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.site-footer {
  background: #0d1013;
  color: #ffffff;
  padding: 80px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.3fr;
  gap: 45px;
  padding-bottom: 60px;
}

.footer-brand p {
  color: #94a3b8;
  font-size: 14.5px;
  line-height: 1.6;
  margin: 18px 0 24px;
  max-width: 320px;
}

.footer-logo {
  height: 52px;
  width: auto;
  object-fit: contain;
  background: #ffffff;
  padding: 6px 14px;
  border-radius: 8px;
  display: inline-block;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-btn:hover {
  background: var(--primary);
  color: #111417;
  transform: translateY(-3px);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-menu a {
  color: #94a3b8;
  font-size: 14px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: #94a3b8;
  font-size: 14px;
}

.footer-contact-item svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  font-size: 13.5px;
  color: #64748b;
}

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

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

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

/* ==========================================================================
   FLOATING ACTION BUTTONS (WhatsApp & Quick Call)
   ========================================================================== */
.floating-actions {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
  color: #ffffff;
  position: relative;
}

.float-whatsapp {
  background: #25d366;
}

.float-whatsapp:hover {
  background: #20ba59;
  transform: scale(1.1);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.4);
}

.float-whatsapp::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.4);
  animation: pulse-ring 2s infinite;
  z-index: -1;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.3); opacity: 0; }
}

.back-to-top {
  background: var(--dark);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

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

.back-to-top:hover {
  background: var(--primary);
  color: #111417;
  transform: translateY(-4px);
}

/* ==========================================================================
   RESPONSIVE DESIGN (Media Queries)
   ========================================================================== */

/* Ultra-Wide & 27" 2K/4K Monitors (>= 1600px) */
@media (min-width: 1600px) {
  :root {
    --container-max: 1400px;
  }
  
  .hero-section {
    min-height: 720px;
    padding: 110px 0 190px;
  }
  
  .hero-content {
    max-width: 720px;
  }
  
  .hero-title {
    font-size: 64px;
  }
}

/* Large Tablets & Small Laptops (<= 1100px) */
@media (max-width: 1100px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .why-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .why-intro {
    grid-column: span 2;
    padding-right: 0;
    margin-bottom: 10px;
  }
  
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
  
  .about-values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablets (<= 860px) */
@media (max-width: 860px) {
  .top-bar {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 100px 30px 40px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1000;
    overflow-y: auto;
  }
  
  .main-nav.active {
    right: 0;
  }
  
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    width: 100%;
    margin-bottom: 30px;
  }
  
  .nav-link {
    font-size: 17px;
    width: 100%;
    padding: 8px 0;
  }
  
  .header-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  
  .nav-backdrop.active {
    opacity: 1;
    visibility: visible;
  }
  
  .hero-section {
    min-height: 640px;
    padding: 60px 0 160px;
  }
  
  .stats-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stat-item:nth-child(2) {
    border-right: none;
  }
  
  .stat-item:nth-child(1), .stat-item:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-grid, .calculator-box, .quote-grid, .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  
  .footer-brand {
    grid-column: span 2;
  }
  
  .about-values-grid {
    grid-template-columns: 1fr;
  }
  
  .cookie-banner {
    left: 16px;
    right: 16px;
    max-width: none;
    bottom: 16px;
  }
}

/* Mobile Devices (<= 600px) */
@media (max-width: 600px) {
  .section {
    padding: 65px 0;
  }
  
  .hero-section {
    padding: 40px 0 180px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .stats-card-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .stat-item {
    padding: 16px 12px;
    gap: 10px;
  }
  
  .stat-icon {
    width: 38px;
    height: 38px;
  }
  
  .stat-number {
    font-size: 20px;
  }
  
  .stat-label {
    font-size: 11.5px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .why-grid {
    grid-template-columns: 1fr;
  }
  
  .why-intro {
    grid-column: span 1;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .quote-form-card, .legal-box {
    padding: 24px 20px;
  }
  
  .calc-inputs, .calc-results {
    padding: 30px 20px;
  }
  
  .results-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-brand {
    grid-column: span 1;
  }
  
  .footer-bottom-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .floating-actions {
    bottom: 20px;
    right: 20px;
  }
}

/* ==========================================================================
   KURUMSAL ÇAĞRI (CTA) ALANI RESPONSIVE BİLEŞENİ
   ========================================================================== */
.cta-banner-wrapper {
  background: linear-gradient(135deg, #111417 0%, #1e2630 100%);
  border-radius: var(--radius-xl);
  padding: 55px 45px;
  color: #ffffff;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-banner-glow {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 300px;
  height: 300px;
  background: rgba(245, 154, 18, 0.12);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.cta-banner-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.cta-banner-title {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  color: #ffffff;
}

.cta-banner-desc {
  font-size: 15.5px;
  color: #cbd5e1;
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 580px;
}

.cta-banner-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.cta-banner-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cta-contact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  transition: var(--transition);
}

.cta-contact-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.cta-contact-card .quick-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(245, 154, 18, 0.2);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cta-contact-card .quick-details span {
  font-size: 12px;
  color: #94a3b8;
  display: block;
  margin-bottom: 2px;
}

.cta-contact-card .quick-details strong,
.cta-contact-card .quick-details a {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
  word-break: break-all;
}

@media (max-width: 992px) {
  .cta-banner-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .cta-banner-wrapper {
    padding: 30px 18px;
    border-radius: var(--radius-lg);
  }
  
  .cta-banner-title {
    font-size: 22px;
    line-height: 1.3;
    word-break: break-word;
  }
  
  .cta-banner-desc {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 22px;
  }
  
  .cta-banner-buttons {
    flex-direction: column;
    gap: 12px;
  }
  
  .cta-banner-buttons .btn {
    width: 100%;
    justify-content: center;
    padding: 13px 18px;
    font-size: 14.5px;
    text-align: center;
  }

  .cta-contact-card {
    padding: 14px;
  }
  
  .cta-contact-card .quick-details strong,
  .cta-contact-card .quick-details a {
    font-size: 14px;
  }
}