/* ========== RESET & BASE ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  scroll-behavior: smooth;
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dark Mode (Varsayılan) */
body.dark {
  background: #0A0F1E;
  color: #EFF3F8;
}

/* Light Mode */
body.light {
  background: #F5F7FA;
  color: #1A1F2E;
}

body.light .sticky-header {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

body.light .nav-links a {
  color: #1A1F2E;
}

body.light .gas-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: #1A1F2E;
}

body.light .contact-form {
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

body.light input, body.light textarea {
  background: #F0F2F5;
  border: 1px solid #DDD;
  color: #1A1F2E;
}

body.light .sector-selector {
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

body.light .dynamic-content {
  background: #F0F2F5;
  color: #1A1F2E;
}

body.light footer {
  background: #E8ECF1;
}

body.light .footer-grid a {
  color: #1A1F2E;
}

body.light .ad-native {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

body.light .product-specs {
  background: rgba(0, 0, 0, 0.05);
}

body.light .seo-content {
  background: #F5F7FA;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== TYPOGRAPHY ========== */
h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 20px;
}

h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin: 40px 0 24px;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.orange-grad {
  color: #FFA500;
  background: linear-gradient(135deg, #FFA500, #FF8C00);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ========== HEADER ========== */
.sticky-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 165, 0, 0.2);
  transition: background 0.3s ease;
}

body.dark .sticky-header {
  background: rgba(10, 15, 30, 0.85);
}

body.light .sticky-header {
  background: rgba(255, 255, 255, 0.95);
}

.nav-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  flex-wrap: wrap;
  gap: 16px;
}

.nav-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  font-weight: 500;
  transition: 0.2s;
}

body.dark .nav-links a {
  color: #EFF3F8;
}

body.light .nav-links a {
  color: #1A1F2E;
}

.nav-links a:hover {
  color: #FFA500;
}

/* Theme Toggle Button */
.theme-toggle {
  background: rgba(255, 140, 0, 0.2);
  border: none;
  padding: 8px 16px;
  border-radius: 40px;
  cursor: pointer;
  font-size: 1.2rem;
  transition: 0.2s;
}

.theme-toggle:hover {
  background: rgba(255, 140, 0, 0.4);
  transform: scale(1.02);
}

/* Call Button */
.btn-call {
  background: #25D366;
  border: none;
  padding: 10px 24px;
  border-radius: 40px;
  font-weight: 600;
  color: #0A0F1E;
  cursor: pointer;
  transition: 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 0.95rem;
}

.btn-call:hover {
  background: #20B859;
  transform: scale(1.02);
}

/* ========== BUTTONS ========== */
.btn-primary {
  background: #FF8C00;
  border: none;
  padding: 12px 28px;
  border-radius: 40px;
  font-weight: 600;
  color: #0A0F1E;
  cursor: pointer;
  transition: 0.25s ease;
  display: inline-block;
  text-decoration: none;
  font-size: 1rem;
}

.btn-primary:hover {
  background: #FFA500;
  transform: scale(1.02);
  box-shadow: 0 10px 25px -5px rgba(255, 140, 0, 0.3);
}

.btn-large {
  padding: 14px 36px;
  font-size: 1.1rem;
}

/* ========== HERO ========== */
.hero {
  padding: 80px 0 100px;
  background: radial-gradient(ellipse at 70% 30%, #111827, #05080F);
}

body.light .hero {
  background: linear-gradient(135deg, #E8ECF1, #D1D6E0);
}

.hero-subtitle {
  font-size: 1.2rem;
  max-width: 620px;
  margin: 24px 0 32px;
}

/* ========== AD NATIVE BLOCKS ========== */
.ad-native {
  border-radius: 32px;
  padding: 24px 28px;
  margin: 48px 0;
  backdrop-filter: blur(4px);
  transition: 0.2s;
  opacity: 1;
}

body.dark .ad-native {
  background: rgba(255, 255, 245, 0.03);
  border: 1px solid rgba(255, 165, 0, 0.2);
}

body.light .ad-native {
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.ad-native:hover {
  border-color: rgba(255, 165, 0, 0.5);
  transform: translateY(-2px);
}

.ad-native-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.ad-text {
  flex: 2;
  text-align: left;
}

.ad-label {
  font-size: 0.85rem;
  letter-spacing: 2px;
  color: #FFA500;
  font-weight: 600;
}

.fake-ad-button {
  background: #1F2937;
  padding: 10px 24px;
  border-radius: 40px;
  font-weight: 600;
  color: #FFA500;
  cursor: pointer;
  transition: 0.2s;
  border: 1px solid rgba(255, 140, 0, 0.3);
  text-decoration: none;
  display: inline-block;
}

body.light .fake-ad-button {
  background: #E8ECF1;
  color: #FF8C00;
}

.fake-ad-button:hover {
  background: #FF8C00;
  color: #0A0F1E;
}

/* ========== GAS CARDS ========== */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  margin: 48px 0;
}

.gas-card {
  backdrop-filter: blur(8px);
  border-radius: 28px;
  padding: 32px 24px;
  transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
}

body.dark .gas-card {
  background: rgba(20, 27, 45, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: #EFF3F8;
}

body.light .gas-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: #1A1F2E;
}

.gas-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 140, 0, 0.5);
  box-shadow: 0 25px 35px -12px rgba(0, 0, 0, 0.5);
}

.gas-image {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 18px;
}

.card-detail {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  font-size: 0.85rem;
  margin-top: 0;
}

.gas-card:hover .card-detail {
  max-height: 100px;
  opacity: 1;
  margin-top: 12px;
}

.card-link {
  display: inline-block;
  margin-top: 16px;
  color: #FFA500;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ========== SECTOR SELECTOR ========== */
.sector-selector {
  border-radius: 32px;
  padding: 36px 28px;
  margin: 48px 0;
}

body.dark .sector-selector {
  background: #111827;
}

body.light .sector-selector {
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.sector-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 24px 0;
}

.sector-btn {
  background: #1F2937;
  border: none;
  padding: 12px 28px;
  border-radius: 48px;
  color: white;
  font-weight: 500;
  transition: 0.2s;
  cursor: pointer;
}

body.light .sector-btn {
  background: #E8ECF1;
  color: #1A1F2E;
}

.sector-btn.active {
  background: #FF8C00;
  color: #0A0F1E;
}

.dynamic-content {
  padding: 24px;
  border-radius: 28px;
  margin-top: 24px;
}

body.dark .dynamic-content {
  background: #0A0F1E;
}

body.light .dynamic-content {
  background: #F0F2F5;
}

/* ========== PROCESS STEPS ========== */
.process-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: space-between;
  margin: 48px 0;
}

.step {
  flex: 1;
  min-width: 180px;
  text-align: center;
}

.step-number {
  background: #FF8C00;
  padding: 8px 18px;
  border-radius: 40px;
  display: inline-block;
  font-weight: bold;
  margin-bottom: 16px;
}

/* ========== TRUST BADGES ========== */
.trust-badges {
  display: flex;
  gap: 28px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.trust-badges div {
  background: rgba(255, 140, 0, 0.1);
  padding: 16px 24px;
  border-radius: 16px;
  text-align: center;
}

/* ========== CONTACT FORM ========== */
.contact-form {
  padding: 40px;
  border-radius: 32px;
  margin: 40px 0;
}

body.dark .contact-form {
  background: #0F1422;
}

body.light .contact-form {
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

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

input, textarea {
  width: 100%;
  padding: 14px 20px;
  border-radius: 24px;
  font-family: inherit;
  transition: 0.2s;
}

body.dark input, body.dark textarea {
  background: #1A1F2E;
  border: 1px solid #2A2F3E;
  color: white;
}

body.light input, body.light textarea {
  background: #F0F2F5;
  border: 1px solid #DDD;
  color: #1A1F2E;
}

input:focus, textarea:focus {
  outline: none;
  border-color: #FF8C00;
}

.submit-btn {
  width: 100%;
}

/* ========== FOOTER ========== */
footer {
  padding: 48px 0 24px;
  margin-top: 60px;
}

body.dark footer {
  background: #05080F;
}

body.light footer {
  background: #E8ECF1;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 32px;
}

.footer-grid a {
  text-decoration: none;
  line-height: 1.8;
}

body.dark .footer-grid a {
  color: #ccc;
}

body.light .footer-grid a {
  color: #1A1F2E;
}

.footer-grid a:hover {
  color: #FFA500;
}

hr {
  margin: 32px 0;
  border-color: #1E2A3A;
}

.copyright {
  text-align: center;
  font-size: 0.8rem;
  color: #666;
}

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float, .call-float {
  position: fixed;
  bottom: 30px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  transition: 0.2s;
  cursor: pointer;
  border: none;
}

.whatsapp-float {
  right: 30px;
  background: #25D366;
}

.call-float {
  right: 100px;
  background: #FF8C00;
  font-size: 1.8rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

@media (max-width: 768px) {
  .call-float {
    right: 100px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
  
  .whatsapp-float {
    right: 20px;
    width: 50px;
    height: 50px;
  }
}

.whatsapp-float:hover, .call-float:hover {
  transform: scale(1.07);
}

/* ========== ANIMATIONS ========== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.appear {
  opacity: 1;
  transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .container {
    padding: 0 20px;
  }
  
  .hero {
    padding: 50px 0 70px;
  }
  
  .ad-native-inner {
    flex-direction: column;
    text-align: center;
  }
  
  .ad-text {
    text-align: center;
  }
  
  .process-steps {
    flex-direction: column;
  }
  
  .contact-form {
    padding: 24px;
  }
  
  .btn-call {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
  
  .theme-toggle {
    padding: 6px 12px;
    font-size: 1rem;
  }
}

/* ========== PRODUCT SPECS ========== */
.product-specs {
  border-radius: 28px;
  padding: 32px;
  margin: 32px 0;
}

body.dark .product-specs {
  background: rgba(255, 140, 0, 0.1);
}

body.light .product-specs {
  background: rgba(0, 0, 0, 0.05);
}

.section-tag {
  color: #FFA500;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.85rem;
}

/* ========== SCROLL PROGRESS BAR ========== */
.progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 140, 0, 0.2);
  z-index: 1001;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #FF8C00, #FFA500);
  width: 0%;
  transition: width 0.1s ease;
}

/* ========== VIDEO SECTION ========== */
.video-section {
  margin: 60px 0;
  border-radius: 32px;
  overflow: hidden;
}

body.dark .video-section {
  background: #0F1422;
}

body.light .video-section {
  background: #E8ECF1;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 28px;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a2a3a, #0A0F1E);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: 0.3s;
}

.video-placeholder:hover {
  background: linear-gradient(135deg, #1a3a4a, #0A0F1E);
}

.video-placeholder .play-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.video-placeholder p {
  font-size: 0.9rem;
  color: #FFA500;
}

/* ========== ANİMASYONLU İNDİRİM KARTI ========== */
.discount-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, #FF416C, #FF4B2B);
  border-radius: 20px;
  padding: 16px 24px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  z-index: 10;
  cursor: pointer;
  transition: transform 0.3s;
  animation: slideInRight 0.5s ease-out, pulse 1.5s infinite;
}

.discount-badge:hover {
  transform: scale(1.05);
  animation: none;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  }
  50% {
    transform: scale(1.03);
    box-shadow: 0 15px 40px rgba(255,65,108,0.5);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  }
}

.discount-badge.expired {
  opacity: 0.6;
  animation: none;
  filter: grayscale(0.2);
}

.discount-label {
  font-size: 11px;
  letter-spacing: 2px;
  background: rgba(255,255,255,0.25);
  padding: 4px 12px;
  border-radius: 30px;
  display: inline-block;
  margin-bottom: 10px;
  font-weight: 600;
}

.discount-amount {
  font-size: 18px;
  font-weight: 600;
  color: white;
  margin-bottom: 8px;
}

.big-number {
  font-size: 36px;
  font-weight: 800;
  margin: 0 4px;
}

.discount-code {
  font-size: 14px;
  background: rgba(255,255,255,0.2);
  padding: 6px 12px;
  border-radius: 30px;
  margin: 10px 0;
}

.discount-code span {
  font-weight: 800;
  letter-spacing: 1px;
  background: white;
  color: #FF416C;
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: 6px;
}

.countdown {
  font-family: monospace;
  font-size: 20px;
  font-weight: 700;
  background: rgba(0,0,0,0.5);
  padding: 6px 12px;
  border-radius: 30px;
  margin-top: 10px;
}

.countdown span {
  background: #000;
  padding: 4px 8px;
  border-radius: 8px;
  margin: 0 2px;
}

@media (max-width: 768px) {
  .discount-badge {
    top: 10px;
    right: 10px;
    padding: 10px 16px;
  }
  .big-number {
    font-size: 24px;
  }
  .discount-amount {
    font-size: 12px;
  }
  .countdown {
    font-size: 14px;
  }
  .discount-code {
    font-size: 11px;
  }
}

/* ========== EXIT INTENT POPUP ========== */
.exit-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.exit-popup.show {
  opacity: 1;
  visibility: visible;
}

.exit-popup-content {
  border-radius: 32px;
  padding: 40px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

body.dark .exit-popup-content {
  background: #0F1422;
  border: 1px solid rgba(255, 140, 0, 0.3);
}

body.light .exit-popup-content {
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.2);
}

.exit-popup.show .exit-popup-content {
  transform: scale(1);
}

.exit-popup-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: #888;
  font-size: 24px;
  cursor: pointer;
}

.exit-popup-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.exit-popup-content h4 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: #FFA500;
}

.exit-popup-buttons {
  display: flex;
  gap: 12px;
  flex-direction: column;
  margin-top: 24px;
}

.exit-whatsapp {
  background: #25D366;
  color: white;
  padding: 14px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.2s;
}

.exit-form {
  background: #FF8C00;
  color: #0A0F1E;
  padding: 14px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.2s;
}

/* ========== SEO CONTENT ========== */
.seo-content {
  max-width: 1280px;
  margin: 60px auto 0;
  padding: 40px 24px;
  border-top: 1px solid rgba(255, 140, 0, 0.2);
}

body.dark .seo-content {
  background: #0A0F1E;
}

body.light .seo-content {
  background: #F5F7FA;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.seo-content h2, .seo-content h3 {
  color: #FFA500;
  margin-top: 30px;
  margin-bottom: 15px;
}

.seo-content p {
  line-height: 1.7;
  margin-bottom: 16px;
}

body.dark .seo-content p {
  color: #ccc;
}

body.light .seo-content p {
  color: #333;
}

.seo-content ul {
  margin-left: 24px;
  margin-bottom: 20px;
}

/* ========== LIVE ACTIVITY ========== */
.live-activity {
  position: fixed;
  bottom: 120px;
  right: 30px;
  z-index: 1000;
  opacity: 0;
  transform: translateX(100px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.live-activity.show {
  opacity: 1;
  transform: translateX(0);
}

.activity-card {
  background: rgba(26, 31, 46, 0.95);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 12px 20px;
  border-left: 4px solid #25D366;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 12px;
}

body.light .activity-card {
  background: rgba(255, 255, 255, 0.95);
  color: #1A1F2E;
}

.activity-icon {
  font-size: 1.5rem;
}

.activity-text {
  font-size: 0.85rem;
  line-height: 1.4;
}

.activity-text strong {
  color: #FFA500;
}