:root {
  /* Ana Renkler - 60-30-10 Kuralı */
  --color-primary: #001C2C;        /* Gece Mavisi - %30 (Navbar, footer, vurgular) */
  --color-background: #F1EEE4;     /* Sıcak Krem - %60 (Ana arka plan) */
  --color-warm: #D37B42;           /* Sıcak Taba/Turuncu - %10 (CTA butonlar, ikonlar) */
  
  /* Yardımcı Renkler */
  --color-text-dark: #2C3E50;      /* Koyu metin (krem zemin üzerinde) */
  --color-text-light: #F1EEE4;     /* Açık metin (koyu zemin üzerinde) */
  --color-accent: #6B7280;         /* İkincil metin */
  
  /* Bootstrap Override */
  --bs-body-bg: var(--color-background);
  --bs-body-color: var(--color-text-dark);
  --bs-primary: var(--color-warm);
  --bs-secondary: var(--color-primary);
}

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

body {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  background-color: var(--color-background);
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', Verdana, Geneva, Tahoma, sans-serif;
  font-weight: 600;
  margin-bottom: 1rem;
}

a {
  color: var(--color-warm);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.navbar {
  background-color: var(--color-primary) !important;
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--color-warm);
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 28, 44, 0.1);
}

.logo-brand {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  color: #FFFFFF !important;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
  transition: all 0.3s ease;
}

.logo-brand::after {
  content: 'by in-yo architects';
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 0.55rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.logo-brand:hover {
  color: #FFFFFF !important;
  transform: scale(1.02);
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.logo-brand:hover::after {
  color: rgba(255, 255, 255, 0.9);
}

.navbar-nav .nav-link {
  color: var(--color-text-light) !important;
  margin: 0 0.5rem;
  font-weight: 500;
  transition: all 0.3s ease;
  border-radius: 20px;
  padding: 0.5rem 1rem !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--color-primary) !important;
  background-color: var(--color-warm);
  transform: translateY(-2px);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 20px 60px;
  background: linear-gradient(135deg, rgba(0, 28, 44, 0.85) 0%, rgba(0, 28, 44, 0.75) 100%);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: inherit;
  z-index: -1;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--color-warm);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero h3 {
  color: var(--color-text-light);
  font-weight: 500;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--color-text-light);
  opacity: 0.9;
}

.btn-custom {
  background-color: var(--color-warm);
  color: white;
  padding: 14px 35px;
  border-radius: 25px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid var(--color-warm);
  box-shadow: 0 4px 15px rgba(211, 123, 66, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-custom:hover {
  background-color: transparent;
  color: var(--color-warm);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(211, 123, 66, 0.4);
}

section {
  padding: 80px 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  margin-top: 2rem;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-warm) 0%, var(--color-primary) 100%);
  border-radius: 2px;
}

.section-title p {
  color: var(--color-accent);
  max-width: 700px;
  margin: 1.5rem auto 0;
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background-color: white;
  padding: 2rem;
  border-radius: 20px;
  border: 2px solid rgba(211, 123, 66, 0.1);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: attr(data-icon);
  position: absolute;
  top: -10px;
  right: -10px;
  font-size: 120px;
  opacity: 0.05;
  line-height: 1;
  pointer-events: none;
  z-index: 0;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-warm);
  box-shadow: 0 12px 35px rgba(211, 123, 66, 0.15);
  background-color: #FFF9F0;
}

.feature-card:hover::before {
  opacity: 0.08;
}

.feature-card h3 {
  color: var(--color-primary);
  margin-bottom: 1rem;
  font-size: 1.25rem;
  line-height: 1.4;
  position: relative;
  z-index: 1;
}

.feature-card p {
  color: var(--color-text-dark);
  font-size: 0.95rem;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

.standards-image-wrapper {
  width: 100%;
  overflow: hidden;
  border-radius: 20px;
  border: 3px solid var(--color-warm);
  transition: all 0.3s ease;
  min-height: 100%;
  box-shadow: 0 4px 20px rgba(211, 123, 66, 0.15);
}

.standards-image-wrapper:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(211, 123, 66, 0.25);
  transform: translateY(-5px);
}

.standards-image-wrapper img {
  width: 100%;
  min-height: 100%;
  transition: transform 0.5s ease;
}

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

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.benefit-card {
  background: white;
  padding: 2.5rem 2rem;
  border-radius: 20px;
  text-align: center;
  border: 2px solid rgba(211, 123, 66, 0.1);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: attr(data-icon);
  position: absolute;
  top: -20px;
  right: -20px;
  font-size: 140px;
  opacity: 0.04;
  line-height: 1;
  pointer-events: none;
  z-index: 0;
}

.benefit-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--color-warm);
  box-shadow: 0 12px 30px rgba(211, 123, 66, 0.2);
  background: linear-gradient(135deg, #FFF9F0 0%, white 100%);
}

.benefit-card:hover::before {
  opacity: 0.08;
}

.benefit-card h4 {
  color: var(--color-primary);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
  font-size: 1.2rem;
}

.benefit-card p {
  position: relative;
  z-index: 1;
  color: var(--color-text-dark);
  line-height: 1.7;
}

.tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.tab-btn {
  background-color: white;
  color: var(--color-text-dark);
  padding: 12px 30px;
  border: 2px solid var(--color-warm);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.tab-btn:hover,
.tab-btn.active {
  background-color: var(--color-warm);
  color: white;
  border-color: var(--color-warm);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(211, 123, 66, 0.3);
}

.tab-content {
  display: none;
  max-width: 900px;
  margin: 0 auto;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

.plan-diagram {
  background-color: white;
  padding: 2rem;
  border-radius: 20px;
  border: 2px solid rgba(211, 123, 66, 0.2);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.plan-diagram svg {
  width: 100%;
  height: auto;
  max-width: 600px;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 4px 12px rgba(212, 175, 55, 0.2));
  transition: transform 0.3s ease;
}

.plan-diagram svg:hover {
  transform: scale(1.02);
  filter: drop-shadow(0 6px 16px rgba(212, 175, 55, 0.3));
}

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

.plan-detail-item {
  background-color: rgba(0, 28, 44, 0.3);
  padding: 1rem;
  border-radius: 5px;
  font-size: 0.9rem;
  border-left: 3px solid var(--color-cta);
}

.plan-image-wrapper {
  width: 100%;
  height: 400px;
  overflow: hidden;
  border-radius: 20px;
  border: 3px solid var(--color-warm);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(211, 123, 66, 0.15);
}

.plan-image-wrapper:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(211, 123, 66, 0.25);
  transform: translateY(-5px);
}

.plan-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}

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

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: white;
  padding: 2.5rem;
  border-radius: 20px;
  border: 2px solid rgba(211, 123, 66, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.contact-form:hover {
  border-color: var(--color-warm);
  box-shadow: 0 8px 30px rgba(211, 123, 66, 0.15);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 14px;
  background-color: #FAFAFA;
  border: 2px solid rgba(211, 123, 66, 0.15);
  border-radius: 12px;
  color: var(--color-text-dark);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-warm);
  box-shadow: 0 0 0 3px rgba(211, 123, 66, 0.1);
  background-color: white;
}

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

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.success-message,
.error-message {
  padding: 1rem 1.5rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  display: none;
  font-weight: 500;
}

.success-message {
  background-color: rgba(40, 167, 69, 0.2);
  border: 1px solid #28a745;
  color: #28a745;
}

.error-message {
  background-color: rgba(220, 53, 69, 0.2);
  border: 1px solid #dc3545;
  color: #dc3545;
}

.success-message.show,
.error-message.show {
  display: block;
}

.scroll-indicator {
  position: fixed;
  right: 30px;
  bottom: 100px;
  width: 55px;
  height: 55px;
  background: var(--color-warm);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(211, 123, 66, 0.4);
}

.scroll-indicator:hover {
  background: var(--color-primary);
  transform: scale(1.15);
  box-shadow: 0 6px 20px rgba(211, 123, 66, 0.5);
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
  fill: white;
  animation: scrollBounce 2s infinite;
}

.share-btn {
  position: fixed;
  right: 30px;
  bottom: 170px;
  width: 55px;
  height: 55px;
  background: var(--color-warm);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(211, 123, 66, 0.4);
}

.share-btn:hover {
  background: var(--color-primary);
  transform: scale(1.15);
  box-shadow: 0 6px 20px rgba(211, 123, 66, 0.5);
}

.share-btn svg {
  width: 24px;
  height: 24px;
  fill: white;
}

.share-menu {
  position: fixed;
  right: 95px;
  bottom: 170px;
  background: white;
  border: 2px solid var(--color-warm);
  border-radius: 15px;
  padding: 12px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-20px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.share-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.share-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 15px;
  border-radius: 10px;
  color: var(--color-text-dark);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.share-menu-item:hover {
  background: var(--color-warm);
  color: white;
  transform: translateX(5px);
}

.share-menu-item svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.parallax-section {
  position: relative;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  z-index: -1;
}

@keyframes scrollBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}

.scroll-up-btn {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 55px;
  height: 55px;
  background: var(--color-warm);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  box-shadow: 0 4px 15px rgba(211, 123, 66, 0.4);
}

.scroll-up-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-up-btn:hover {
  background: var(--color-primary);
  transform: scale(1.15);
  box-shadow: 0 6px 20px rgba(211, 123, 66, 0.5);
}

.scroll-up-btn svg {
  width: 24px;
  height: 24px;
  fill: white;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-top: 3px solid var(--color-warm);
  padding: 20px 30px;
  z-index: 9999;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  transform: translateY(100%);
  transition: transform 0.5s ease;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner-content {
  flex: 1;
  min-width: 300px;
}

.cookie-banner-content p {
  margin: 0;
  color: var(--color-text-dark);
  font-size: 0.95rem;
  line-height: 1.6;
}

.cookie-banner-content a {
  color: var(--color-warm);
  text-decoration: none;
  font-weight: 600;
}

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

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

.cookie-btn {
  padding: 12px 30px;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cookie-accept {
  background: var(--color-warm);
  color: white;
  box-shadow: 0 2px 10px rgba(211, 123, 66, 0.3);
}

.cookie-accept:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(211, 123, 66, 0.4);
}

.cookie-decline {
  background: transparent;
  color: var(--color-text-dark);
  border: 2px solid var(--color-accent);
}

.cookie-decline:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.contact-info-section {
  background: rgba(1, 36, 55, 0.5);
  padding: 2rem;
  border-radius: 10px;
  border: 2px solid rgba(212, 175, 55, 0.2);
  height: 100%;
}

.contact-form {
  background: rgba(1, 36, 55, 0.5);
  padding: 2rem;
  border-radius: 10px;
  border: 2px solid rgba(212, 175, 55, 0.2);
  height: 100%;
}

.contact-info-item {
  margin-bottom: 1.5rem;
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-info-item h4 {
  color: var(--color-cta);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.contact-info-item p {
  margin: 0;
  color: var(--color-text);
}

.contact-info-item a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-info-item a:hover {
  color: var(--color-cta);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.checkbox-group input[type="checkbox"] {
  margin-top: 5px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-cta);
}

.checkbox-group label {
  margin: 0;
  color: var(--color-text);
  font-size: 0.9rem;
  line-height: 1.4;
}

.checkbox-group label a {
  color: var(--color-cta);
  text-decoration: none;
}

.checkbox-group label a:hover {
  text-decoration: underline;
}

footer {
  background-color: rgba(0, 28, 44, 0.95);
  padding: 1.2rem 1.5rem;
  text-align: center;
  border-top: 2px solid var(--color-warm);
  margin-top: 3rem;
  margin-bottom: 0;
  position: relative;
  clear: both;
  z-index: 1;
}

footer p {
  color: #E0E0E0;
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
}

footer a {
  color: #D4AF37;
  text-decoration: none;
  font-weight: 500;
  margin: 0 0.4rem;
  transition: all 0.3s ease;
}

footer a:hover {
  color: #F5DEB3;
  text-decoration: underline;
}

img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s ease-in;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
}

[data-aos].aos-animate {
  opacity: 1;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .plan-details {
    grid-template-columns: 1fr;
  }

  .tabs {
    flex-direction: column;
    gap: 0.5rem;
  }

  .feature-card::before {
    font-size: 80px;
    top: -5px;
    right: -5px;
  }

  .feature-card h3 {
    font-size: 1rem;
  }
}

html {
  scroll-behavior: smooth;
}

/* Inline style yerine class'lar */
.content-img {
  max-width: 800px;
  max-height: 400px;
  width: 100%;
  object-fit: cover;
  display: block;
  margin: 0 auto;
}

.standards-image-wrapper img {
  object-fit: cover;
}

/* Hero background */
.hero-with-bg {
  background: linear-gradient(135deg, rgba(0, 28, 44, 0.95) 0%, rgba(0, 28, 44, 0.85) 100%), url('assets/img/merdecez-sut-odasi.jpg') center/cover no-repeat;
}