/* 
  Turna Plastik - Premium B2B Web Tasarımı
  Konsept: Quiet Luxury, Clean, Water Purity
*/

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

:root {
  /* Renk Paleti - Su, Saflık ve Profesyonellik */
  --primary-blue: #0077B6;
  --deep-blue: #023E8A;
  --light-blue: #E0FBFC;
  --accent-cyan: #00B4D8;
  --pure-white: #FFFFFF;
  --off-white: #F8F9FA;
  --text-dark: #1A202C;
  --text-gray: #4A5568;
  --text-light: #A0AEC0;

  /* Gölgeler ve Efektler */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(2, 62, 138, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.85);

  /* Tipografi */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Geçişler */
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--deep-blue);
}

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

ul {
  list-style: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navbar (Üst Menü) - Glassmorphism Etkisi */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  z-index: 1000;
  padding: 1.2rem 0;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-img {
  height: 48px;
  width: auto;
  mix-blend-mode: multiply;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--deep-blue);
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 1.05rem;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-blue);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary-blue);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background-color: var(--primary-blue);
  color: var(--pure-white) !important;
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background-color: var(--deep-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(to right, rgba(2, 62, 138, 0.9), rgba(0, 119, 182, 0.4)), url('../yeni/luxury-grey-and-white-modern-kitchen-and-living-ro-2024-10-14-17-23-47-utc.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--pure-white);
  padding-top: 80px;
  /* Navbar yüksekliği */
}

.hero-content {
  max-width: 700px;
  animation: fadeIn 1s ease-out;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 1rem;
  color: var(--light-blue);
  display: block;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--pure-white);
}

.hero-desc {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
  color: var(--off-white);
  font-weight: 300;
  line-height: 1.8;
}

.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 50px;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--pure-white);
  color: var(--deep-blue);
}

.btn-primary:hover {
  background-color: var(--light-blue);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* About Section */
.about {
  padding: 8rem 0;
  background-color: var(--pure-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 1rem;
}

.about-text h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 60px;
  height: 3px;
  background-color: var(--accent-cyan);
}

.about-text p {
  color: var(--text-gray);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.vision-box {
  background-color: var(--light-blue);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--primary-blue);
  margin-top: 2rem;
}

.vision-box h4 {
  margin-bottom: 0.5rem;
  color: var(--deep-blue);
}

.about-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  display: block;
  transition: transform 0.7s ease;
}

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

/* Categories Section */
.categories {
  padding: 8rem 0;
  background-color: var(--off-white);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-gray);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.category-card {
  background: var(--pure-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  group: hover;
}

.category-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.category-img-wrap {
  height: 240px;
  overflow: hidden;
  position: relative;
  background: #f5f7fa;
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-img-wrap img {
  width: 80%;
  height: 80%;
  object-fit: contain;
  transition: var(--transition);
}

.category-card:hover .category-img-wrap img {
  transform: scale(1.1);
}

.category-content {
  padding: 2rem;
  text-align: center;
}

.category-content h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.95rem;
}

/* Footer */
.footer {
  background-color: var(--deep-blue);
  color: var(--pure-white);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--light-blue);
  margin-top: 1.5rem;
  max-width: 350px;
}

.footer h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--pure-white);
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: var(--light-blue);
  opacity: 0.8;
}

.footer-links a:hover {
  color: var(--pure-white);
  opacity: 1;
  padding-left: 5px;
}

.contact-info li {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--light-blue);
  opacity: 0.9;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--light-blue);
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  /* Mobil menü için buton eklenecek */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero {
    min-height: 500px;
  }
}