/* ============================================================
   KALIP ASANSÖR - Ana CSS
   Renk Paleti: Kurumsal Mavi + Lacivert + Beyaz
   ============================================================ */

:root {
  --primary: #1a4fa0;
  --primary-dark: #0d3270;
  --primary-light: #2d6dd4;
  --accent: #0ea5e9;
  --navy: #0f2346;
  --navy-light: #1e3a5f;
  --white: #ffffff;
  --light-gray: #f4f7fc;
  --mid-gray: #e2e8f0;
  --text-dark: #1a2840;
  --text-mid: #4a5568;
  --text-light: #94a3b8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 20px rgba(26,79,160,.12);
  --shadow-lg: 0 10px 40px rgba(26,79,160,.18);
  --shadow-xl: 0 20px 60px rgba(26,79,160,.25);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* Dark Mode */
[data-theme="dark"] {
  --white: #0f172a;
  --light-gray: #1e293b;
  --mid-gray: #334155;
  --text-dark: #f1f5f9;
  --text-mid: #cbd5e1;
  --text-light: #64748b;
  --shadow-md: 0 4px 20px rgba(0,0,0,.4);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.5);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background .3s, color .3s;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
input, textarea, select, button { font-family: inherit; outline: none; border: none; }
button { cursor: pointer; background: none; }

/* ---- Preloader ---- */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .5s, visibility .5s;
}
#preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-inner { text-align: center; }
.preloader-logo { margin-bottom: 24px; }
.preloader-logo .logo-text { font-size: 2rem; font-weight: 800; color: #fff; letter-spacing: 2px; }
.preloader-logo .logo-text span { color: var(--accent); }
.preloader-bar { width: 200px; height: 4px; background: rgba(255,255,255,.2); border-radius: 4px; overflow: hidden; }
.preloader-progress { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); animation: preload 1.5s ease-in-out forwards; }
@keyframes preload { from { width: 0 } to { width: 100% } }

/* ---- Scroll Progress ---- */
#scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; z-index: 9998;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width .1s;
}

/* ---- Container ---- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ---- Top Bar ---- */
.top-bar {
  background: var(--navy);
  color: #fff;
  font-size: .8rem;
  padding: 8px 0;
}
.top-bar-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.top-bar-left, .top-bar-right { display: flex; align-items: center; gap: 12px; }
.top-contact { color: rgba(255,255,255,.85); display: flex; align-items: center; gap: 6px; transition: var(--transition); }
.top-contact:hover { color: var(--accent); }
.top-contact i { color: var(--accent); }
.top-whatsapp { background: #25d366; color: #fff; padding: 4px 12px; border-radius: 20px; display: flex; align-items: center; gap: 6px; font-weight: 600; transition: var(--transition); }
.top-whatsapp:hover { background: #1ebe5d; transform: scale(1.03); }
.top-social a { color: rgba(255,255,255,.7); width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: var(--transition); }
.top-social a:hover { color: #fff; background: rgba(255,255,255,.15); }
#dark-mode-toggle { color: rgba(255,255,255,.7); width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: var(--transition); }
#dark-mode-toggle:hover { color: #fff; background: rgba(255,255,255,.15); }

/* ---- Main Header ---- */
#main-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--mid-gray);
  transition: var(--transition);
}
[data-theme="dark"] #main-header { background: rgba(15,35,70,.95); border-color: rgba(255,255,255,.1); }
#main-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; gap: 24px; }

/* Logo */
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-img { height: 62px; max-width: 230px; object-fit: contain; display: block; transition: height .3s ease; }
#main-header.scrolled .logo-img { height: 48px; }
.logo-text-wrap { display: flex; flex-direction: column; line-height: 1; }
.logo-main { font-size: 1.5rem; font-weight: 900; color: var(--primary); letter-spacing: 2px; }
.logo-sub { font-size: .7rem; font-weight: 600; color: var(--accent); letter-spacing: 4px; text-transform: uppercase; }

/* Nav */
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px; border-radius: var(--radius-sm);
  font-weight: 500; font-size: .9rem; color: var(--text-dark);
  transition: var(--transition); position: relative; white-space: nowrap;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; right: 50%;
  height: 2px; background: var(--primary); border-radius: 2px;
  transition: var(--transition);
}
.nav-link:hover::after, .nav-link.active::after { left: 14px; right: 14px; }
.nav-link:hover, .nav-link.active { color: var(--primary); background: rgba(26,79,160,.06); }
.nav-cta-btn {
  padding: 9px 20px; background: var(--primary); color: #fff;
  border-radius: var(--radius-sm); font-weight: 600; font-size: .88rem;
  display: flex; align-items: center; gap: 7px; transition: var(--transition);
}
.nav-cta-btn:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }

/* Mega Menu */
.has-mega-menu { position: relative; }
.has-mega-menu > .nav-link i { font-size: .7rem; transition: var(--transition); }
.has-mega-menu:hover > .nav-link i { transform: rotate(180deg); }
.mega-menu {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%);
  width: 760px; max-width: 90vw;
  background: var(--white);
  border: 1px solid var(--mid-gray);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0; visibility: hidden;
  transform: translateX(-50%) translateY(-12px);
  transition: var(--transition);
  pointer-events: none;
}
.has-mega-menu:hover .mega-menu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}
.mega-menu-inner { padding: 24px; }
.mega-menu-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--mid-gray); }
.mega-menu-header h3 { font-size: 1rem; font-weight: 700; color: var(--text-dark); }
.view-all { font-size: .85rem; color: var(--primary); font-weight: 600; display: flex; align-items: center; gap: 6px; transition: var(--transition); }
.view-all:hover { gap: 10px; }
.mega-menu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 20px; }
.mega-menu-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px;
  border-radius: var(--radius-sm); transition: var(--transition);
  border: 1px solid transparent;
}
.mega-menu-item:hover { background: var(--light-gray); border-color: var(--primary); transform: translateX(4px); }
.mega-item-icon {
  width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .95rem; flex-shrink: 0;
}
.mega-item-name { display: block; font-weight: 600; font-size: .88rem; color: var(--text-dark); }
.mega-item-count { font-size: .78rem; color: var(--text-light); }
.mega-menu-footer { padding-top: 16px; border-top: 1px solid var(--mid-gray); }
.btn-mega-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; padding: 10px 20px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: .88rem; transition: var(--transition);
}
.btn-mega-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* Header Search */
.header-search {
  max-height: 0; overflow: hidden; background: var(--light-gray);
  border-top: 1px solid var(--mid-gray);
  transition: max-height .4s cubic-bezier(.4,0,.2,1), padding .3s;
}
.header-search.open { max-height: 120px; padding: 16px 0; }
.search-form { display: flex; align-items: center; gap: 8px; background: var(--white); border-radius: var(--radius-sm); padding: 10px 16px; border: 2px solid var(--mid-gray); transition: var(--transition); }
.search-form:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(26,79,160,.1); }
.search-form input { flex: 1; font-size: .95rem; background: none; color: var(--text-dark); }
.search-form button { color: var(--text-light); transition: var(--transition); }
.search-form button:hover { color: var(--primary); }
.search-suggestions { background: var(--white); border-radius: var(--radius-sm); margin-top: 8px; border: 1px solid var(--mid-gray); display: none; }
.search-suggestion-item { padding: 10px 16px; display: flex; align-items: center; gap: 10px; cursor: pointer; transition: var(--transition); }
.search-suggestion-item:hover { background: var(--light-gray); color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.search-toggle { width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); color: var(--text-mid); transition: var(--transition); }
.search-toggle:hover { background: var(--light-gray); color: var(--primary); }
.mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; border-radius: var(--radius-sm); }
.mobile-menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: var(--transition); }

/* ---- Mobile Menu ---- */
.mobile-menu-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 1099; opacity: 0; visibility: hidden; transition: var(--transition); }
.mobile-menu-overlay.active { opacity: 1; visibility: visible; }
.mobile-menu {
  position: fixed; top: 0; left: -100%; width: 300px; height: 100vh;
  background: var(--white); z-index: 1100; overflow-y: auto;
  transition: left .35s cubic-bezier(.4,0,.2,1);
  box-shadow: var(--shadow-xl);
}
.mobile-menu.active { left: 0; }
.mobile-menu-header { display: flex; align-items: center; justify-content: space-between; padding: 20px; background: var(--navy); color: #fff; }
.mobile-logo-text { font-weight: 800; font-size: 1.1rem; letter-spacing: 1px; }
.mobile-close { color: rgba(255,255,255,.8); width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: var(--transition); }
.mobile-close:hover { background: rgba(255,255,255,.15); color: #fff; }
.mobile-nav-list { padding: 12px 0; }
.mobile-nav-list > li > a {
  display: flex; align-items: center; gap: 12px; padding: 13px 20px;
  font-weight: 500; color: var(--text-dark); border-bottom: 1px solid var(--mid-gray);
  transition: var(--transition);
}
.mobile-nav-list > li > a:hover { background: var(--light-gray); color: var(--primary); padding-left: 26px; }
.mobile-nav-list > li > a i { width: 18px; color: var(--primary); }
.sub-arrow { margin-left: auto; font-size: .8rem; transition: var(--transition); }
.mobile-has-sub.open .sub-arrow { transform: rotate(180deg); }
.mobile-sub-menu { display: none; background: var(--light-gray); }
.mobile-sub-menu li a { display: flex; align-items: center; gap: 10px; padding: 10px 20px 10px 44px; font-size: .9rem; color: var(--text-mid); transition: var(--transition); }
.mobile-sub-menu li a:hover { color: var(--primary); }
.mobile-cta { background: var(--primary) !important; color: #fff !important; margin: 8px 16px; border-radius: var(--radius-sm); }
.mobile-menu-footer { padding: 16px 20px; border-top: 1px solid var(--mid-gray); display: flex; flex-direction: column; gap: 10px; }
.mobile-menu-footer a { display: flex; align-items: center; gap: 10px; color: var(--text-mid); font-size: .9rem; }
.mobile-menu-footer a i { color: var(--primary); }

/* ---- Hero Slider ---- */
.hero-slider { position: relative; height: 100vh; min-height: 620px; max-height: 900px; overflow: hidden; }
.hero-swiper { height: 100%; }
.hero-slide { position: relative; height: 100%; overflow: hidden; }
.hero-slide-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease-out;
}
.swiper-slide-active .hero-slide-bg { transform: scale(1); }
.hero-slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,35,70,.82) 0%, rgba(26,79,160,.45) 60%, rgba(14,165,233,.15) 100%);
}
.hero-slide-content {
  position: relative; z-index: 2; height: 100%;
  display: flex; align-items: center;
}
.hero-text { max-width: 680px; color: #fff; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.2); border-radius: 50px;
  padding: 8px 16px; font-size: .82rem; font-weight: 600;
  color: #fff; margin-bottom: 24px;
  animation: fadeInDown .8s .2s both;
}
.hero-badge i { color: var(--accent); }
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; line-height: 1.15;
  margin-bottom: 20px; animation: fadeInUp .8s .4s both;
}
.hero-title span { color: var(--accent); }
.hero-desc {
  font-size: 1.05rem; color: rgba(255,255,255,.85); margin-bottom: 36px;
  line-height: 1.7; animation: fadeInUp .8s .6s both;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeInUp .8s .8s both; }
.btn-hero-primary {
  padding: 14px 32px; background: var(--primary); color: #fff;
  border-radius: var(--radius-sm); font-weight: 700; font-size: 1rem;
  display: flex; align-items: center; gap: 8px; transition: var(--transition);
  border: 2px solid var(--primary);
}
.btn-hero-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,79,160,.4); }
.btn-hero-secondary {
  padding: 14px 32px; background: rgba(255,255,255,.1); backdrop-filter: blur(10px);
  color: #fff; border-radius: var(--radius-sm); font-weight: 700; font-size: 1rem;
  display: flex; align-items: center; gap: 8px; border: 2px solid rgba(255,255,255,.3);
  transition: var(--transition);
}
.btn-hero-secondary:hover { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.6); transform: translateY(-2px); }

/* Slider Navigasyon */
.hero-slider .swiper-button-next, .hero-slider .swiper-button-prev {
  width: 50px; height: 50px; background: rgba(255,255,255,.12);
  backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%; color: #fff; transition: var(--transition);
}
.hero-slider .swiper-button-next:hover, .hero-slider .swiper-button-prev:hover { background: var(--primary); }
.hero-slider .swiper-button-next::after, .hero-slider .swiper-button-prev::after { font-size: .9rem; font-weight: 900; }
.hero-slider .swiper-pagination-bullet { background: rgba(255,255,255,.5); opacity: 1; width: 8px; height: 8px; }
.hero-slider .swiper-pagination-bullet-active { background: #fff; width: 24px; border-radius: 4px; }

/* Slider Scroll İndicator */
.hero-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 10; text-align: center; animation: bounce 2s infinite; }
.hero-scroll a { color: rgba(255,255,255,.7); font-size: .8rem; letter-spacing: 2px; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.hero-scroll i { font-size: 1.2rem; }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ---- Section Styles ---- */
section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(26,79,160,.08); color: var(--primary);
  padding: 6px 16px; border-radius: 50px; font-size: .82rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px;
}
.section-title { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; color: var(--text-dark); line-height: 1.25; margin-bottom: 14px; }
.section-title span { color: var(--primary); }
.section-desc { font-size: 1.02rem; color: var(--text-mid); max-width: 600px; margin: 0 auto; }
.section-divider { width: 56px; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 4px; margin: 16px auto 0; }

/* ---- Stats Counter ---- */
.stats-section { background: linear-gradient(135deg, var(--navy) 0%, var(--primary) 100%); color: #fff; padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { text-align: center; padding: 32px 20px; border-radius: var(--radius-md); background: rgba(255,255,255,.08); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.12); transition: var(--transition); }
.stat-card:hover { background: rgba(255,255,255,.14); transform: translateY(-4px); }
.stat-icon { font-size: 2.5rem; margin-bottom: 12px; color: var(--accent); }
.stat-number { font-size: 2.8rem; font-weight: 900; line-height: 1; }
.stat-plus { color: var(--accent); }
.stat-label { font-size: .9rem; color: rgba(255,255,255,.75); margin-top: 8px; font-weight: 500; }

/* ---- Hakkımızda ---- */
.about-section { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-image-wrap { position: relative; }
.about-img-main { border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); }

.about-logo-box {
  position: relative;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--primary) 0%, #0d2e6e 60%, #0a1f4e 100%);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 48px;
  min-height: 380px;
  overflow: hidden;
}
.about-logo-deco {
  position: absolute;
  border-radius: 50%;
  opacity: .08;
  background: #fff;
}
.about-logo-deco--1 { width: 320px; height: 320px; top: -100px; right: -100px; }
.about-logo-deco--2 { width: 200px; height: 200px; bottom: -60px; left: -60px; }
.about-logo-deco--3 { width: 100px; height: 100px; bottom: 40px; right: 30px; opacity: .05; }
.about-logo-img {
  position: relative;
  width: 100%;
  max-width: 300px;
  height: auto;
  filter: brightness(0) invert(1);
  z-index: 1;
}
.about-logo-tagline {
  position: relative;
  z-index: 1;
  margin-top: 28px;
  color: rgba(255,255,255,.7);
  font-size: .85rem;
  font-weight: 500;
  text-align: center;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.about-fuar-box {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  line-height: 0;
}
.about-fuar-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-xl);
  object-fit: cover;
}

.about-img-badge {
  position: absolute; bottom: -20px; right: -20px;
  background: #fff; color: var(--primary); border-radius: var(--radius-md);
  padding: 20px 24px; text-align: center; box-shadow: var(--shadow-xl);
  border: 2px solid rgba(26,79,160,.1);
}
.about-img-badge .num { font-size: 2rem; font-weight: 900; line-height: 1; color: var(--primary); }
.about-img-badge .txt { font-size: .82rem; color: var(--text-mid); }
.about-content { padding: 8px 0; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 28px 0; }
.about-feature { display: flex; align-items: flex-start; gap: 12px; }
.about-feature-icon { width: 40px; height: 40px; background: rgba(26,79,160,.08); color: var(--primary); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.about-feature-text strong { display: block; font-size: .9rem; font-weight: 700; color: var(--text-dark); }
.about-feature-text span { font-size: .82rem; color: var(--text-mid); }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: .95rem; transition: var(--transition); border: 2px solid transparent; cursor: pointer; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: #0284c7; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-lg { padding: 15px 36px; font-size: 1.02rem; border-radius: var(--radius-md); }

/* ---- Ürün Kartları ---- */
.products-section { background: var(--light-gray); }
.products-filter { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 36px; }
.filter-btn { padding: 9px 20px; background: var(--white); color: var(--text-mid); border-radius: 50px; font-weight: 600; font-size: .88rem; border: 2px solid var(--mid-gray); cursor: pointer; transition: var(--transition); }
.filter-btn.active, .filter-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
  background: var(--white); border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: var(--transition); border: 1px solid var(--mid-gray);
  position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.product-card-img { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-card:hover .product-card-img img { transform: scale(1.07); }
.product-card-badge { position: absolute; top: 12px; left: 12px; background: var(--primary); color: #fff; font-size: .75rem; font-weight: 700; padding: 4px 10px; border-radius: 50px; }
.product-card-actions { position: absolute; top: 12px; right: 12px; display: flex; flex-direction: column; gap: 6px; opacity: 0; transform: translateX(10px); transition: var(--transition); }
.product-card:hover .product-card-actions { opacity: 1; transform: translateX(0); }
.product-action-btn { width: 34px; height: 34px; background: rgba(255,255,255,.9); backdrop-filter: blur(10px); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--text-mid); font-size: .85rem; transition: var(--transition); cursor: pointer; }
.product-action-btn:hover { background: var(--primary); color: #fff; }
.product-card-body { padding: 18px; }
.product-card-cat { font-size: .75rem; color: var(--primary); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; }
.product-card-title { font-size: .95rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card-desc { font-size: .83rem; color: var(--text-mid); line-height: 1.5; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card-footer { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--mid-gray); padding-top: 14px; }
.product-card-link { font-size: .85rem; color: var(--primary); font-weight: 600; display: flex; align-items: center; gap: 5px; transition: var(--transition); }
.product-card-link:hover { gap: 8px; }
.product-card-offer { font-size: .82rem; background: rgba(26,79,160,.08); color: var(--primary); padding: 5px 12px; border-radius: 50px; font-weight: 600; cursor: pointer; transition: var(--transition); }
.product-card-offer:hover { background: var(--primary); color: #fff; }

/* ---- Referanslar ---- */
.references-section { background: var(--white); }
.refs-swiper { padding: 12px 0 !important; }
.ref-card { background: var(--white); border: 1px solid var(--mid-gray); border-radius: var(--radius-md); padding: 32px; display: flex; align-items: center; justify-content: center; height: 200px; transition: var(--transition); }
.ref-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary); transform: translateY(-4px); }
.ref-card img { max-height: 100px; max-width: 100%; object-fit: contain; filter: grayscale(1); transition: var(--transition); }
.ref-card:hover img { filter: grayscale(0); }

/* ---- Kataloglar ---- */
.catalog-card { background: var(--white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--mid-gray); transition: var(--transition); }
.catalog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.catalog-cover { position: relative; aspect-ratio: 3/4; overflow: hidden; background: var(--light-gray); }
.catalog-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.catalog-card:hover .catalog-cover img { transform: scale(1.04); }
.catalog-cover-overlay { position: absolute; inset: 0; background: rgba(15,35,70,.5); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); }
.catalog-card:hover .catalog-cover-overlay { opacity: 1; }
.catalog-preview-btn { width: 52px; height: 52px; background: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 1.2rem; transition: var(--transition); }
.catalog-preview-btn:hover { background: var(--primary); color: #fff; }
.catalog-body { padding: 18px; }
.catalog-title { font-weight: 700; font-size: .95rem; margin-bottom: 8px; color: var(--text-dark); }
.catalog-meta { font-size: .8rem; color: var(--text-light); display: flex; gap: 12px; margin-bottom: 14px; }
.catalog-download { width: 100%; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 10px; background: var(--primary); color: #fff; border-radius: var(--radius-sm); font-weight: 600; font-size: .88rem; transition: var(--transition); }
.catalog-download:hover { background: var(--primary-dark); }

/* ---- Haberler ---- */
.news-card { background: var(--white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--mid-gray); transition: var(--transition); }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.news-card-img { overflow: hidden; aspect-ratio: 16/9; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .news-card-img img { transform: scale(1.06); }
.news-card-body { padding: 20px; }
.news-card-date { font-size: .78rem; color: var(--text-light); display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.news-card-title { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: var(--transition); }
.news-card:hover .news-card-title { color: var(--primary); }
.news-card-summary { font-size: .86rem; color: var(--text-mid); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; }
.news-card-link { font-size: .85rem; color: var(--primary); font-weight: 600; display: flex; align-items: center; gap: 5px; transition: var(--transition); }
.news-card-link:hover { gap: 9px; }

/* ---- İletişim CTA Banner ---- */
.cta-banner { background: linear-gradient(135deg, var(--primary) 0%, var(--navy) 100%); color: #fff; padding: 64px 0; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; top: -50%; right: -10%; width: 400px; height: 400px; background: rgba(255,255,255,.04); border-radius: 50%; }
.cta-banner-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; z-index: 1; }
.cta-text h2 { font-size: 2rem; font-weight: 800; margin-bottom: 10px; }
.cta-text p { font-size: 1rem; color: rgba(255,255,255,.8); }
.cta-actions { display: flex; gap: 14px; flex-shrink: 0; flex-wrap: wrap; }
.btn-cta-white { background: #fff; color: var(--primary); border: 2px solid #fff; padding: 13px 28px; border-radius: var(--radius-sm); font-weight: 700; display: flex; align-items: center; gap: 8px; transition: var(--transition); }
.btn-cta-white:hover { background: transparent; color: #fff; transform: translateY(-2px); }
.btn-cta-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.4); padding: 13px 28px; border-radius: var(--radius-sm); font-weight: 700; display: flex; align-items: center; gap: 8px; transition: var(--transition); }
.btn-cta-ghost:hover { border-color: #fff; transform: translateY(-2px); }

/* ---- Footer ---- */
.site-footer { background: var(--navy); color: #fff; }
.footer-top { padding: 64px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; }
.footer-logo { margin-bottom: 16px; }
.footer-logo-main { font-size: 1.4rem; font-weight: 900; letter-spacing: 2px; }
.footer-logo-sub { font-size: .7rem; font-weight: 600; color: var(--accent); letter-spacing: 4px; display: block; text-transform: uppercase; }
.footer-desc { font-size: .88rem; color: rgba(255,255,255,.65); line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; background: rgba(255,255,255,.08); color: rgba(255,255,255,.7); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.footer-title { font-size: 1rem; font-weight: 700; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 2px; background: var(--accent); border-radius: 2px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .88rem; color: rgba(255,255,255,.65); display: flex; align-items: center; gap: 8px; transition: var(--transition); }
.footer-links a i { font-size: .75rem; color: var(--accent); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 10px; font-size: .87rem; color: rgba(255,255,255,.7); }
.footer-contact-list i { color: var(--accent); margin-top: 3px; flex-shrink: 0; }
.footer-contact-list a { color: rgba(255,255,255,.7); transition: var(--transition); }
.footer-contact-list a:hover { color: #fff; }
.footer-whatsapp { display: inline-flex; align-items: center; gap: 8px; background: #25d366; color: #fff; padding: 10px 18px; border-radius: var(--radius-sm); font-weight: 600; font-size: .88rem; transition: var(--transition); }
.footer-whatsapp:hover { background: #1ebe5d; transform: translateY(-2px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom p { font-size: .84rem; color: rgba(255,255,255,.5); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: .84rem; color: rgba(255,255,255,.5); transition: var(--transition); }
.footer-bottom-links a:hover { color: #fff; }

/* ---- Float Butonlar (Sol) ---- */
.float-buttons {
  position: fixed; bottom: 28px; left: 28px; z-index: 900;
  display: flex; flex-direction: column; gap: 12px; align-items: flex-start;
}
.float-btn {
  display: flex; align-items: center; gap: 0;
  width: 56px; height: 56px; border-radius: 50%;
  color: #fff; font-size: 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
  transition: all .3s; overflow: hidden; white-space: nowrap;
  text-decoration: none; position: relative;
}
.float-btn:hover { width: auto; padding: 0 20px 0 16px; border-radius: 28px; gap: 10px; }
.float-btn .float-icon { flex-shrink: 0; width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; font-size: 1.45rem; }
.float-btn .float-label { font-size: .82rem; font-weight: 700; max-width: 0; overflow: hidden; opacity: 0; transition: all .3s; letter-spacing: .3px; }
.float-btn:hover .float-label { max-width: 120px; opacity: 1; }

.float-btn.whatsapp { background: #25d366; box-shadow: 0 4px 20px rgba(37,211,102,.4); }
.float-btn.whatsapp:hover { box-shadow: 0 6px 28px rgba(37,211,102,.5); }
.float-btn.phone { background: var(--primary); box-shadow: 0 4px 20px rgba(26,79,160,.35); }
.float-btn.phone:hover { box-shadow: 0 6px 28px rgba(26,79,160,.5); }

@media(max-width:480px){
  .float-buttons { bottom: 18px; left: 16px; gap: 10px; }
  .float-btn { width: 50px; height: 50px; font-size: 1.3rem; }
  .float-btn .float-icon { width: 50px; height: 50px; }
  .float-btn:hover { width: 50px; padding: 0; border-radius: 50%; }
  .float-btn:hover .float-label { max-width: 0; opacity: 0; }
}

/* ---- Back to Top ---- */
#back-to-top {
  position: fixed; bottom: 96px; right: 28px; z-index: 900;
  width: 44px; height: 44px; background: var(--primary); color: #fff;
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: var(--transition);
}
#back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ---- Glassmorphism Card ---- */
.glass-card {
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
[data-theme="dark"] .glass-card { background: rgba(30,58,95,.7); border-color: rgba(255,255,255,.1); }

/* ---- Teklif Formu ---- */
.offer-form-section { background: var(--light-gray); }
.offer-form-wrap { max-width: 760px; margin: 0 auto; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: .88rem; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-control {
  width: 100%; padding: 12px 16px; background: var(--white);
  border: 2px solid var(--mid-gray); border-radius: var(--radius-sm);
  font-size: .95rem; color: var(--text-dark); transition: var(--transition);
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(26,79,160,.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-file-label {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  background: var(--white); border: 2px dashed var(--mid-gray); border-radius: var(--radius-sm);
  cursor: pointer; transition: var(--transition); color: var(--text-mid);
}
.form-file-label:hover { border-color: var(--primary); color: var(--primary); }
input[type="file"] { display: none; }

/* ---- İletişim ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; }
.contact-info-card { background: var(--white); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-md); }
.contact-item { display: flex; gap: 16px; margin-bottom: 28px; }
.contact-item-icon { width: 48px; height: 48px; background: rgba(26,79,160,.08); color: var(--primary); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-item-info strong { display: block; font-weight: 700; margin-bottom: 4px; }
.contact-item-info span, .contact-item-info a { color: var(--text-mid); font-size: .92rem; }
.contact-map { border-radius: var(--radius-lg); overflow: hidden; height: 240px; margin-top: 24px; }
.contact-map iframe { width: 100%; height: 100%; border: none; }

/* ---- Sayfa Hero ---- */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--primary) 100%);
  color: #fff; padding: 72px 0;
  position: relative; overflow: hidden;
}
.page-hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.page-hero-inner { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; margin-bottom: 12px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .88rem; color: rgba(255,255,255,.7); }
.breadcrumb a { color: rgba(255,255,255,.7); transition: var(--transition); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: .7rem; }

/* ---- Animasyonlar ---- */
@keyframes fadeInUp { from { opacity:0; transform:translateY(30px) } to { opacity:1; transform:translateY(0) } }
@keyframes fadeInDown { from { opacity:0; transform:translateY(-20px) } to { opacity:1; transform:translateY(0) } }
@keyframes fadeInLeft { from { opacity:0; transform:translateX(-30px) } to { opacity:1; transform:translateX(0) } }
@keyframes fadeInRight { from { opacity:0; transform:translateX(30px) } to { opacity:1; transform:translateX(0) } }
@keyframes pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.05)} }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

/* ---- Sayfalama ---- */
.pagination-nav { display:flex; justify-content:center; }
.pagination { display:flex; gap:6px; align-items:center; flex-wrap:wrap; }
.pagination li a {
  display:flex; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:var(--radius-sm);
  font-weight:600; font-size:.9rem; color:var(--text-mid);
  border:2px solid var(--mid-gray); background:var(--white);
  transition:var(--transition);
}
.pagination li a.active,
.pagination li a:hover { background:var(--primary); color:#fff; border-color:var(--primary); }

/* ---- Modal ---- */
#quickOfferModal {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  pointer-events: none; opacity: 0; transition: opacity .3s;
}
#quickOfferModal.active { pointer-events: all; opacity: 1; }
#quickOfferModal .modal-overlay {
  position: absolute; inset: 0; background: rgba(15,35,70,.65);
  backdrop-filter: blur(4px);
}
#quickOfferModal .modal-box {
  position: relative; z-index: 1; width: 100%; max-width: 560px;
  padding: 36px; max-height: 90vh; overflow-y: auto;
  transform: translateY(20px); transition: transform .35s cubic-bezier(.4,0,.2,1);
}
#quickOfferModal.active .modal-box { transform: translateY(0); }
#quickOfferModal .modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; color: var(--text-mid); transition: var(--transition);
}
#quickOfferModal .modal-close:hover { background: var(--mid-gray); color: var(--text-dark); }

/* Katalog grid responsive */
@media (max-width: 1024px) {
  .catalog-grid-4 { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 600px) {
  .catalog-grid-4 { grid-template-columns: 1fr !important; }
  .news-grid-3 { grid-template-columns: 1fr !important; }
}

/* ---- Alert / Toast ---- */
.alert { padding: 14px 20px; border-radius: var(--radius-sm); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; font-size: .92rem; }
.alert-success { background: rgba(16,185,129,.1); color: #065f46; border: 1px solid rgba(16,185,129,.2); }
.alert-danger { background: rgba(239,68,68,.1); color: #991b1b; border: 1px solid rgba(239,68,68,.2); }
.alert-warning { background: rgba(245,158,11,.1); color: #92400e; border: 1px solid rgba(245,158,11,.2); }
.alert-info { background: rgba(26,79,160,.08); color: var(--primary-dark); border: 1px solid rgba(26,79,160,.2); }

/* ---- Responsive ---- */
@media (max-width: 1200px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img-badge { bottom: 20px; right: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-banner-inner { flex-direction: column; text-align: center; }
  .contact-grid { grid-template-columns: 1fr; }
  #main-nav { display: none; }
  .mobile-menu-toggle { display: flex; }
}
@media (max-width: 768px) {
  section { padding: 56px 0; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .hero-slider { height: 80vh; min-height: 520px; }
  .about-features { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .top-bar-left .top-contact:last-child { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
}