@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  --primary: #0a5e8a;
  --primary-light: #0d7ab5;
  --primary-dark: #064060;
  --accent: #2ec4b6;
  --accent-light: #3dd5c7;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.15);
  --radius: 16px;
  --radius-sm: 10px;
}

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

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--gray-900);
  background: var(--gray-50);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,h2,h3,h4,h5 { font-family: 'Outfit', sans-serif; line-height: 1.2; }

/* ─── NAVBAR ─── */
.navbar {
  position: fixed; top:0; left:0; width:100%; z-index:1000;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
  max-width: 1280px; margin:auto;
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 24px;
}
.nav-logo { display:flex; align-items:center; gap:10px; text-decoration:none; }
.nav-logo svg { width:36px; height:36px; }
.nav-logo-text { font-family:'Outfit'; font-weight:800; font-size:1.15rem; color:var(--primary); }
.nav-logo-sub { font-size:.65rem; color:var(--gray-500); display:block; font-weight:500; letter-spacing:1px; text-transform:uppercase; }
.nav-links { display:flex; gap:6px; list-style:none; }
.nav-links a {
  text-decoration:none; color:var(--gray-700); font-weight:500; font-size:.88rem;
  padding: 8px 16px; border-radius:8px; transition: all .2s;
}
.nav-links a:hover { background:var(--primary); color:#fff; }
.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color:#fff!important; border-radius:10px!important; font-weight:600!important;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(10,94,138,.35); }
.hamburger { display:none; background:none; border:none; cursor:pointer; padding:6px; }
.hamburger span { display:block; width:24px; height:2.5px; background:var(--gray-700); margin:5px 0; border-radius:2px; transition:.3s; }

/* ─── HERO ─── */
.hero {
  min-height: 100vh; display:flex; align-items:center;
  background: linear-gradient(165deg, #e8f4fd 0%, #f0f9ff 40%, #ffffff 100%);
  position:relative; overflow:hidden; padding-top:80px;
}
.hero::before {
  content:''; position:absolute; top:-200px; right:-200px;
  width:700px; height:700px; border-radius:50%;
  background: radial-gradient(circle, rgba(46,196,182,.12), transparent 70%);
}
.hero::after {
  content:''; position:absolute; bottom:-100px; left:-100px;
  width:400px; height:400px; border-radius:50%;
  background: radial-gradient(circle, rgba(10,94,138,.08), transparent 70%);
}
.hero-inner {
  max-width:1280px; margin:auto; padding: 60px 24px;
  display:grid; grid-template-columns: 1fr 1fr; gap:60px; align-items:center;
  position:relative; z-index:1;
}
.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  background: rgba(10,94,138,.08); color:var(--primary);
  padding: 8px 18px; border-radius:50px; font-size:.82rem; font-weight:600;
  margin-bottom:20px;
}
.hero-badge::before { content:'💧'; }
.hero h1 { font-size: clamp(2.2rem,5vw,3.6rem); font-weight:900; color:var(--gray-900); margin-bottom:20px; }
.hero h1 span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.hero p { font-size:1.1rem; color:var(--gray-500); max-width:500px; margin-bottom:32px; }
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.btn-primary {
  display:inline-flex; align-items:center; gap:8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color:#fff; padding:14px 32px; border-radius:12px;
  font-weight:600; font-size:.95rem; text-decoration:none;
  transition: all .3s; border:none; cursor:pointer;
}
.btn-primary:hover { transform:translateY(-2px); box-shadow: 0 8px 25px rgba(10,94,138,.3); }
.btn-secondary {
  display:inline-flex; align-items:center; gap:8px;
  background: var(--white); color:var(--primary);
  padding:14px 32px; border-radius:12px; border:2px solid var(--gray-200);
  font-weight:600; font-size:.95rem; text-decoration:none; transition: all .3s;
}
.btn-secondary:hover { border-color:var(--primary); background:rgba(10,94,138,.04); }
.hero-images {
  display:flex; justify-content:center; align-items:flex-end; gap:20px;
  position:relative;
}
.hero-images img {
  height: 420px; object-fit:contain; filter: drop-shadow(0 20px 40px rgba(0,0,0,.12));
  animation: heroFloat 4s ease-in-out infinite;
}
.hero-images img:nth-child(2) { animation-delay:.5s; height:380px; }
.hero-images img:nth-child(3) { animation-delay:1s; height:350px; }
@keyframes heroFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }

.hero-stats {
  display:flex; gap:30px; margin-top:36px;
}
.hero-stat { text-align:center; }
.hero-stat-num { font-family:'Outfit'; font-size:1.8rem; font-weight:800; color:var(--primary); }
.hero-stat-label { font-size:.78rem; color:var(--gray-500); }

/* ─── SECTION COMMON ─── */
.section { padding: 100px 24px; }
.section-header { text-align:center; max-width:660px; margin: 0 auto 60px; }
.section-header h2 { font-size: clamp(1.8rem,3.5vw,2.6rem); font-weight:800; margin-bottom:14px; }
.section-header p { color:var(--gray-500); font-size:1.05rem; }
.section-tag {
  display:inline-block; font-size:.75rem; font-weight:700; text-transform:uppercase;
  letter-spacing:2px; color:var(--accent); margin-bottom:10px;
}

/* ─── PRODUCTS ─── */
#urunler { background: var(--white); }
.products-grid {
  max-width:1280px; margin:auto;
  display:grid; grid-template-columns: repeat(auto-fill, minmax(340px,1fr)); gap:28px;
}
.product-card {
  background: var(--gray-50);
  border-radius: var(--radius);
  overflow:hidden; transition: all .35s;
  border:1px solid var(--gray-200);
  position:relative;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.product-card-badge {
  position:absolute; top:16px; left:16px; z-index:2;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color:#fff; font-size:.72rem; font-weight:700; padding:5px 14px;
  border-radius:50px; text-transform:uppercase; letter-spacing:.5px;
}
.product-card-img {
  height:300px; display:flex; align-items:center; justify-content:center;
  padding:30px; background: linear-gradient(180deg, #f0f9ff, var(--gray-50));
}
.product-card-img img { max-height:100%; max-width:100%; object-fit:contain; transition: transform .4s; }
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-card-body { padding:24px; }
.product-card-body h3 { font-size:1.2rem; font-weight:700; margin-bottom:6px; }
.product-card-body .subtitle { color:var(--accent); font-size:.85rem; font-weight:600; margin-bottom:14px; }
.product-features {
  display:flex; flex-wrap:wrap; gap:8px; margin-bottom:18px;
}
.product-features span {
  background: rgba(10,94,138,.06); color:var(--primary);
  font-size:.75rem; font-weight:500; padding:5px 12px; border-radius:6px;
}
.product-card-footer {
  display:flex; justify-content:space-between; align-items:center;
  padding-top:14px; border-top:1px solid var(--gray-200);
}
.detail-link {
  display:inline-flex; align-items:center; gap:6px;
  color:var(--primary); font-weight:600; font-size:.88rem;
  text-decoration:none; transition:.2s;
}
.detail-link:hover { gap:10px; }

/* ─── PRODUCT DETAIL MODAL ─── */
.modal-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.55);
  backdrop-filter:blur(6px); z-index:2000;
  display:none; align-items:center; justify-content:center;
  padding:20px; opacity:0; transition: opacity .3s;
}
.modal-overlay.active { display:flex; opacity:1; }
.modal {
  background:var(--white); border-radius:var(--radius); max-width:960px; width:100%;
  max-height:90vh; overflow-y:auto; position:relative;
  animation: modalIn .35s ease;
}
@keyframes modalIn { from{transform:translateY(30px) scale(.97);opacity:0} to{transform:translateY(0) scale(1);opacity:1} }
.modal-close {
  position:absolute; top:16px; right:16px; z-index:10;
  width:40px; height:40px; border-radius:50%; border:none;
  background:var(--gray-100); cursor:pointer; font-size:1.3rem;
  display:flex; align-items:center; justify-content:center;
  transition:.2s;
}
.modal-close:hover { background:var(--gray-200); }
.modal-hero {
  display:grid; grid-template-columns:1fr 1fr; gap:0;
}
.modal-img {
  background: linear-gradient(135deg, #e8f4fd, #f0f9ff);
  padding:40px; display:flex; align-items:center; justify-content:center;
  border-radius: var(--radius) 0 0 0;
}
.modal-img img { max-height:400px; max-width:100%; object-fit:contain; }
.modal-info { padding:40px; }
.modal-info h2 { font-size:1.6rem; font-weight:800; margin-bottom:6px; }
.modal-info .subtitle { color:var(--accent); font-weight:600; margin-bottom:16px; }
.modal-info p { color:var(--gray-500); font-size:.92rem; margin-bottom:24px; line-height:1.7; }
.modal-specs { display:grid; gap:10px; margin-bottom:24px; }
.modal-spec {
  display:flex; align-items:center; gap:12px;
  padding:10px 14px; background:var(--gray-50); border-radius:var(--radius-sm);
}
.modal-spec-icon {
  width:36px; height:36px; border-radius:8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-size:.9rem; flex-shrink:0;
}
.modal-spec-text { font-size:.85rem; font-weight:500; }
.modal-general { padding:0 40px 40px; }
.modal-general h3 { font-size:1.1rem; font-weight:700; margin-bottom:16px; display:flex; align-items:center; gap:8px; }
.modal-general-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; }
.modal-general-item {
  display:flex; align-items:center; gap:8px;
  font-size:.84rem; color:var(--gray-700); padding:8px 12px;
  background:var(--gray-50); border-radius:8px;
}
.modal-general-item::before { content:'✓'; color:var(--accent); font-weight:700; }

/* ─── FEATURES ─── */
#ozellikler { background: linear-gradient(180deg, var(--gray-50), var(--white)); }
.features-grid {
  max-width:1100px; margin:auto;
  display:grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap:24px;
}
.feature-card {
  background:var(--white); border-radius:var(--radius); padding:32px 24px;
  text-align:center; border:1px solid var(--gray-200); transition: all .3s;
}
.feature-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:var(--accent); }
.feature-icon {
  width:60px; height:60px; border-radius:14px; margin:0 auto 18px;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, rgba(10,94,138,.08), rgba(46,196,182,.08));
  font-size:1.6rem;
}
.feature-card h4 { font-size:1rem; font-weight:700; margin-bottom:8px; }
.feature-card p { font-size:.85rem; color:var(--gray-500); }

/* ─── ABOUT ─── */
#hakkimizda {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color:#fff;
}
#hakkimizda .section-tag { color:var(--accent-light); }
#hakkimizda .section-header p { color:rgba(255,255,255,.7); }
.about-grid {
  max-width:1100px; margin:auto;
  display:grid; grid-template-columns: repeat(3,1fr); gap:28px;
}
.about-card {
  background: rgba(255,255,255,.08); backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.12); border-radius:var(--radius);
  padding:36px 28px; text-align:center; transition:.3s;
}
.about-card:hover { background: rgba(255,255,255,.14); transform:translateY(-4px); }
.about-card-icon { font-size:2.4rem; margin-bottom:16px; }
.about-card h4 { font-size:1.05rem; font-weight:700; margin-bottom:10px; }
.about-card p { font-size:.88rem; color:rgba(255,255,255,.7); }

/* ─── CONTACT ─── */
#iletisim { background: var(--white); }
.contact-grid {
  max-width:1100px; margin:auto;
  display:grid; grid-template-columns: 1fr 1fr; gap:40px;
}
.contact-info-cards { display:grid; gap:18px; }
.contact-card {
  display:flex; align-items:center; gap:18px;
  padding:22px 24px; background:var(--gray-50);
  border-radius:var(--radius-sm); border:1px solid var(--gray-200);
  transition:.3s;
}
.contact-card:hover { border-color:var(--primary); box-shadow:var(--shadow-sm); }
.contact-card-icon {
  width:50px; height:50px; border-radius:12px; flex-shrink:0;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-size:1.2rem;
}
.contact-card h4 { font-size:.95rem; font-weight:700; margin-bottom:3px; }
.contact-card p { font-size:.85rem; color:var(--gray-500); }
.offices-section { margin-top:20px; }
.offices-section h3 { font-size:1.15rem; font-weight:700; margin-bottom:18px; display:flex; align-items:center; gap:8px; }
.office-cards { display:grid; gap:14px; }
.office-card {
  padding:20px; background:var(--gray-50); border-radius:var(--radius-sm);
  border:1px solid var(--gray-200); border-left:4px solid var(--primary);
}
.office-card h4 { font-size:.95rem; font-weight:700; color:var(--primary); margin-bottom:6px; }
.office-card p { font-size:.84rem; color:var(--gray-500); }
.contact-form-wrap {
  background: var(--gray-50); border-radius:var(--radius);
  padding:36px; border:1px solid var(--gray-200);
}
.contact-form-wrap h3 { font-size:1.2rem; font-weight:700; margin-bottom:24px; }
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:.84rem; font-weight:600; margin-bottom:6px; color:var(--gray-700); }
.form-group input, .form-group textarea, .form-group select {
  width:100%; padding:12px 16px; border:1.5px solid var(--gray-200);
  border-radius:var(--radius-sm); font-family:inherit; font-size:.9rem;
  transition:.2s; background:var(--white);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline:none; border-color:var(--primary); box-shadow:0 0 0 3px rgba(10,94,138,.1);
}
.form-group textarea { resize:vertical; min-height:100px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }

/* ─── FOOTER ─── */
.footer {
  background: var(--gray-900); color:rgba(255,255,255,.6);
  padding:60px 24px 30px; text-align:center;
}
.footer-inner { max-width:1100px; margin:auto; }
.footer-logo { display:flex; align-items:center; gap:10px; justify-content:center; margin-bottom:20px; }
.footer-logo svg { width:32px; height:32px; }
.footer-logo span { font-family:'Outfit'; font-weight:800; font-size:1.1rem; color:#fff; }
.footer-links { display:flex; gap:24px; justify-content:center; margin-bottom:28px; list-style:none; flex-wrap:wrap; }
.footer-links a { color:rgba(255,255,255,.5); text-decoration:none; font-size:.88rem; transition:.2s; }
.footer-links a:hover { color:#fff; }
.footer-divider { border:none; border-top:1px solid rgba(255,255,255,.08); margin-bottom:20px; }
.footer-bottom { font-size:.8rem; }
.footer-values { display:flex; gap:32px; justify-content:center; margin-bottom:28px; flex-wrap:wrap; }
.footer-value { display:flex; align-items:center; gap:8px; }
.footer-value-icon { font-size:1.2rem; }
.footer-value span { font-size:.82rem; color:rgba(255,255,255,.7); }

/* ─── SCROLL TO TOP ─── */
.scroll-top {
  position:fixed; bottom:30px; right:30px; z-index:999;
  width:48px; height:48px; border-radius:50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color:#fff; border:none; cursor:pointer; font-size:1.2rem;
  display:flex; align-items:center; justify-content:center;
  opacity:0; transform:translateY(20px); transition:.3s;
  box-shadow: 0 4px 15px rgba(10,94,138,.3);
}
.scroll-top.visible { opacity:1; transform:translateY(0); }
.scroll-top:hover { transform:translateY(-3px); }

/* ─── RESPONSIVE ─── */
@media(max-width:960px) {
  .hero-inner { grid-template-columns:1fr; text-align:center; }
  .hero p { margin:0 auto 32px; }
  .hero-buttons { justify-content:center; }
  .hero-images img { height:280px; }
  .hero-images img:nth-child(2) { height:260px; }
  .hero-images img:nth-child(3) { display:none; }
  .hero-stats { justify-content:center; }
  .modal-hero { grid-template-columns:1fr; }
  .modal-img { border-radius:var(--radius) var(--radius) 0 0; }
  .modal-general-grid { grid-template-columns:1fr; }
  .contact-grid { grid-template-columns:1fr; }
  .about-grid { grid-template-columns:1fr; }
}
@media(max-width:768px) {
  .nav-links { display:none; }
  .hamburger { display:block; }
  .nav-links.open {
    display:flex; flex-direction:column;
    position:absolute; top:100%; left:0; width:100%;
    background:var(--white); padding:16px; gap:4px;
    border-top:1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
  }
  .products-grid { grid-template-columns:1fr; }
  .features-grid { grid-template-columns:1fr 1fr; }
  .form-row { grid-template-columns:1fr; }
  .section { padding:60px 18px; }
}
@media(max-width:480px) {
  .features-grid { grid-template-columns:1fr; }
  .hero-images { flex-direction:column; align-items:center; }
  .hero-images img:nth-child(2) { display:none; }
  .hero-images img { height:240px; }
}