/* Gebze Çadır - SEO Odaklı Kurumsal Site */
:root {
  --primary: #0b6e4f;
  --primary-dark: #08533b;
  --accent: #f2a30f;
  --dark: #1a2b26;
  --text: #37423e;
  --light: #f5f8f7;
  --white: #ffffff;
  --border: #e3eae7;
  --radius: 10px;
  --shadow: 0 4px 20px rgba(11, 110, 79, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  font-size: 17px;
  background: var(--white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
ul, ol { padding-left: 1.4rem; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.header-top {
  background: var(--dark);
  color: #cfd8d4;
  font-size: 14px;
  padding: 8px 0;
}
.header-top .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.header-top a { color: #fff; font-weight: 600; }
.header-main { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 44px; height: 44px; border-radius: 8px;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800;
}
.logo-text strong { display: block; color: var(--dark); font-size: 20px; line-height: 1.2; }
.logo-text span { font-size: 13px; color: var(--primary); font-weight: 600; }
.nav-toggle { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--dark); }
.main-nav ul { display: flex; gap: 26px; list-style: none; }
.main-nav a { color: var(--dark); font-weight: 600; font-size: 16px; }
.main-nav a:hover { color: var(--primary); }
.main-nav .active a { color: var(--primary); }
.header-cta { background: var(--accent); color: var(--dark); padding: 10px 18px; border-radius: 8px; font-weight: 700; font-size: 15px; }
.header-cta:hover { background: #e0950a; color: var(--dark); }

/* ============ HERO ============ */
.hero { background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%); color: #fff; padding: 70px 0; }
.hero .container { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 42px; line-height: 1.2; margin-bottom: 18px; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 18px; opacity: 0.92; margin-bottom: 12px; }
.hero ul { list-style: none; padding: 0; margin: 18px 0 26px; }
.hero ul li { padding: 6px 0 6px 30px; position: relative; }
.hero ul li::before {
  content: "✓"; position: absolute; left: 0; top: 6px;
  color: var(--accent); font-weight: 800;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 24px; border-radius: 8px; font-weight: 700; font-size: 16px; }
.btn-accent { background: var(--accent); color: var(--dark); }
.btn-accent:hover { background: #e0950a; color: var(--dark); }
.btn-outline { border: 2px solid #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--primary-dark); }
.hero-box {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius); padding: 22px;
}
.hero-box h3 { font-size: 18px; margin-bottom: 12px; color: var(--accent); }
.hero-box .stat { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.hero-box .stat b { font-size: 26px; display: block; }
.hero-box .stat small { font-size: 13px; opacity: 0.85; }
.hero-phone { display: block; text-align: center; margin-top: 10px; background: var(--accent); color: var(--dark); padding: 12px; border-radius: 8px; font-size: 20px; font-weight: 800; }

/* ============ BREADCRUMB ============ */
.breadcrumb { font-size: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); background: var(--light); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: #9aa8a3; }

/* ============ PAGE HERO (alt sayfalar) ============ */
.page-hero { background: linear-gradient(135deg, var(--dark), var(--primary-dark)); color: #fff; padding: 52px 0; }
.page-hero h1 { font-size: 36px; margin-bottom: 10px; }
.page-hero p { font-size: 17px; opacity: 0.92; max-width: 760px; }

/* ============ SECTIONS ============ */
.section { padding: 64px 0; }
.section-title { font-size: 30px; color: var(--dark); margin-bottom: 10px; line-height: 1.3; }
.section-sub { color: #66756f; margin-bottom: 30px; max-width: 720px; }
.bg-light { background: var(--light); }

/* ============ CARDS / GRID ============ */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow);
}
.card h3 { color: var(--dark); font-size: 20px; margin-bottom: 10px; }
.card h3 a { color: var(--dark); }
.card h3 a:hover { color: var(--primary); }
.card .icon { font-size: 30px; margin-bottom: 12px; }
.card p { font-size: 15px; }
.card-link { margin-top: 12px; display: inline-block; font-weight: 700; font-size: 15px; }

/* ============ SERVICE LIST ============ */
.service-item { display: grid; grid-template-columns: 64px 1fr; gap: 18px; align-items: start; }
.service-item .si-icon {
  width: 64px; height: 64px; border-radius: 12px; background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 28px;
}
.service-item h3 { font-size: 21px; color: var(--dark); margin-bottom: 6px; }

/* ============ FEATURES ============ */
.feature { display: flex; gap: 14px; margin-bottom: 18px; }
.feature .f-icon { flex-shrink: 0; width: 42px; height: 42px; border-radius: 50%; background: rgba(11,110,79,0.1); color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; }
.feature h4 { color: var(--dark); margin-bottom: 4px; }
.feature p { font-size: 15px; }

/* ============ TABLE ============ */
.table-wrap { overflow-x: auto; margin: 20px 0; }
table { width: 100%; border-collapse: collapse; background: var(--white); }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 15px; }
th { background: var(--dark); color: #fff; font-weight: 700; }
tr:nth-child(even) td { background: var(--light); }

/* ============ CTA BAND ============ */
.cta-band { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; text-align: center; padding: 56px 0; }
.cta-band h2 { font-size: 30px; margin-bottom: 12px; }
.cta-band p { max-width: 640px; margin: 0 auto 26px; opacity: 0.92; }
.cta-band .btn { margin: 0 6px; }
.cta-phone { font-size: 26px; font-weight: 800; color: var(--accent); display: block; margin-top: 18px; }

/* ============ BLOG ============ */
.blog-card { padding: 22px; }
.blog-card .date { font-size: 13px; color: #82908a; font-weight: 600; }
.blog-card h3 { margin: 8px 0; }
.article { max-width: 820px; }
.article h2 { color: var(--dark); margin: 32px 0 12px; font-size: 26px; }
.article h3 { color: var(--dark); margin: 24px 0 10px; font-size: 21px; }
.article p { margin-bottom: 16px; }
.article ul, .article ol { margin-bottom: 16px; }
.article .meta { color: #82908a; font-size: 14px; border-bottom: 1px solid var(--border); padding-bottom: 14px; margin-bottom: 22px; }
.toc { background: var(--light); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 20px 20px 38px; margin-bottom: 28px; }
.toc h3 { color: var(--dark); font-size: 18px; margin-bottom: 8px; }

/* ============ FAQ ============ */
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; background: var(--white); }
.faq-q { padding: 16px 20px; font-weight: 700; color: var(--dark); background: var(--light); font-size: 16px; }
.faq-a { padding: 14px 20px; font-size: 15px; }

/* ============ CONTACT ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.contact-info li { list-style: none; display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 16px; }
.contact-info .ci-icon { width: 40px; height: 40px; border-radius: 8px; background: rgba(11,110,79,0.1); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 700; color: var(--dark); margin-bottom: 6px; font-size: 15px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus { outline: 2px solid var(--primary); border-color: transparent; }

/* ============ FOOTER ============ */
.site-footer { background: var(--dark); color: #b7c4bf; padding: 50px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 30px; padding-bottom: 36px; }
.site-footer h4 { color: #fff; font-size: 17px; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; }
.site-footer ul li { padding: 4px 0; }
.site-footer ul a { color: #b7c4bf; font-size: 15px; }
.site-footer ul a:hover { color: var(--accent); }
.site-footer .about-text { font-size: 15px; margin-bottom: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 0; text-align: center; font-size: 13px; color: #7e8f89; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* ============ 404 ============ */
.error-hero { text-align: center; padding: 100px 20px; }
.error-hero h1 { font-size: 60px; color: var(--primary); }

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero .container { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
}
@media (max-width: 680px) {
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 10px 20px; }
  .main-nav li { border-bottom: 1px solid var(--border); }
  .main-nav a { display: block; padding: 12px 0; }
  .header-cta { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 44px 0; }
  .section { padding: 44px 0; }
  .page-hero h1 { font-size: 28px; }
  .header-top .container { justify-content: center; text-align: center; }
}