/* ============================================================
   Sprint Teknoloji — Plaka Tanıma Sistemi
   Design system: light, modern, trustworthy
   ============================================================ */

:root {
  --primary: #0E7C86;
  --primary-dark: #075964;
  --primary-light: #E4F3F4;
  --accent: #FF7A45;
  --accent-dark: #E35F2B;
  --success: #1E9E63;
  --bg: #FFFFFF;
  --bg-soft: #F4F8F9;
  --bg-soft-2: #EFF6F6;
  --text: #14252B;
  --text-muted: #55707A;
  --text-faint: #85999F;
  --border: #E1EAEC;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(20, 37, 43, 0.06);
  --shadow-md: 0 8px 24px rgba(14, 60, 66, 0.08);
  --shadow-lg: 0 20px 48px rgba(14, 60, 66, 0.14);
  --container: 1180px;
  --font: 'Plus Jakarta Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 640px; margin: 0 0 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 38px); }
.section-head p { color: var(--text-muted); font-size: 17px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn-accent { background: var(--accent); color: #fff; box-shadow: var(--shadow-md); }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost { background: var(--primary-light); color: var(--primary-dark); }
.btn-ghost:hover { background: var(--primary); color: #fff; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
  color: var(--text);
}
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brand-mark svg { width: 22px; height: 22px; }
.brand-sub { display: block; font-size: 11px; font-weight: 600; color: var(--text-muted); letter-spacing: 0.02em; }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--primary-dark); border-color: var(--accent); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-phone { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14.5px; color: var(--text); }
.header-phone svg { width: 18px; height: 18px; color: var(--primary); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 88px;
  background:
    radial-gradient(circle at 85% 8%, rgba(255,122,69,0.10), transparent 45%),
    radial-gradient(circle at 5% 90%, rgba(14,124,134,0.08), transparent 45%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { font-size: clamp(34px, 4.6vw, 54px); }
.hero-lead { font-size: 18px; color: var(--text-muted); max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0 40px; }

.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stat strong { display: block; font-size: 26px; font-weight: 800; color: var(--primary-dark); }
.hero-stat span { font-size: 13.5px; color: var(--text-muted); font-weight: 600; }

.hero-visual { position: relative; }
.hero-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 36px;
  position: relative;
}
.hero-flow { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.hero-flow-step { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; width: 92px; }
.hero-flow-icon {
  width: 62px; height: 62px;
  border-radius: 18px;
  background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
}
.hero-flow-icon svg { width: 28px; height: 28px; color: var(--primary); }
.hero-flow-step span { font-size: 12.5px; font-weight: 700; color: var(--text-muted); }
.hero-flow-arrow { color: var(--text-faint); flex-shrink: 0; }
.hero-flow-arrow svg { width: 20px; height: 20px; }

.hero-plate {
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 18px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.plate-chip {
  font-family: 'Courier New', monospace;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 2px;
  background: #fff;
  border: 2px solid var(--text);
  border-radius: 6px;
  padding: 6px 14px;
}
.plate-status { display: flex; align-items: center; gap: 8px; color: var(--success); font-weight: 700; font-size: 14px; }
.plate-status svg { width: 18px; height: 18px; }

.hero-badge {
  position: absolute;
  top: -18px; right: 28px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
}

/* ---------- Trust bar ---------- */
.trust-bar { padding: 30px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust-items { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; color: var(--text-muted); }
.trust-item svg { width: 20px; height: 20px; color: var(--primary); flex-shrink: 0; }

/* ---------- Solution cards ---------- */
.solutions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.solution-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 38px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease;
}
.solution-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.solution-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.solution-card.a .solution-tag { background: var(--primary-light); color: var(--primary-dark); }
.solution-card.b .solution-tag { background: #FFEDE3; color: var(--accent-dark); }
.solution-card h3 { font-size: 22px; }
.solution-card p { color: var(--text-muted); }
.solution-list { margin: 20px 0 26px; display: flex; flex-direction: column; gap: 12px; }
.solution-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--text); }
.solution-list svg { width: 18px; height: 18px; color: var(--success); flex-shrink: 0; margin-top: 2px; }
.card-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--primary-dark); }
.card-link svg { width: 16px; height: 16px; transition: transform .15s ease; }
.card-link:hover svg { transform: translateX(3px); }

/* ---------- Feature grid ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 30px; }
.feature-icon {
  width: 50px; height: 50px;
  border-radius: 13px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-icon svg { width: 24px; height: 24px; color: var(--primary-dark); }
.feature-card h3 { font-size: 17px; }
.feature-card p { color: var(--text-muted); font-size: 14.5px; margin-bottom: 0; }

/* ---------- Process ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.process-step { position: relative; padding-top: 6px; }
.process-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary-dark);
  color: #fff;
  font-weight: 800;
  font-size: 17px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.process-step h3 { font-size: 16.5px; }
.process-step p { color: var(--text-muted); font-size: 14.5px; margin-bottom: 0; }
.process-line { position: absolute; top: 22px; left: 60px; right: -24px; height: 2px; background: var(--border); }

/* ---------- Stats band ---------- */
.stats-band { background: var(--primary-dark); color: #fff; padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats-grid strong { display: block; font-size: 34px; font-weight: 800; }
.stats-grid span { font-size: 14px; opacity: 0.8; font-weight: 600; }

/* ---------- FAQ / Accordion ---------- */
.accordion { display: flex; flex-direction: column; gap: 14px; }
.accordion-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.accordion-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px;
  background: none; border: none; text-align: left;
  font-size: 15.5px; font-weight: 700; color: var(--text);
}
.accordion-q .plus { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; transition: transform .2s ease, background .2s ease; }
.accordion-q .plus svg { width: 14px; height: 14px; color: var(--primary-dark); }
.accordion-item.open .accordion-q .plus { background: var(--primary); transform: rotate(45deg); }
.accordion-item.open .accordion-q .plus svg { color: #fff; }
.accordion-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.accordion-a-inner { padding: 0 24px 22px; color: var(--text-muted); font-size: 14.5px; }
.accordion-item.open .accordion-a { max-height: 400px; }

.faq-cats { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.faq-cat-label { font-weight: 800; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--primary-dark); margin: 36px 0 16px; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  padding: 56px;
  color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-band h2 { font-size: 28px; margin-bottom: 8px; }
.cta-band p { opacity: 0.88; margin-bottom: 0; max-width: 480px; }
.cta-band .btn-accent { flex-shrink: 0; }

/* ---------- Blog ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-grid.featured-layout { grid-template-columns: 1.3fr 1fr 1fr; }
.post-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s ease, transform .2s ease; }
.post-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.post-thumb { height: 150px; background: linear-gradient(135deg, var(--primary-light), var(--bg-soft)); display: flex; align-items: center; justify-content: center; }
.post-thumb svg { width: 44px; height: 44px; color: var(--primary); opacity: .55; }
.post-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.post-cat { display: inline-block; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; color: var(--accent-dark); margin-bottom: 10px; }
.post-body h3 { font-size: 17.5px; }
.post-body p { color: var(--text-muted); font-size: 14px; flex: 1; }
.post-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; color: var(--text-faint); font-weight: 600; margin-top: 8px; }

/* ---------- Article ---------- */
.article-head { max-width: 760px; margin: 0 auto 40px; text-align: center; }
.article-head .post-cat { display: inline-block; }
.article-head h1 { font-size: clamp(28px, 4vw, 40px); }
.article-meta { display: flex; justify-content: center; gap: 18px; color: var(--text-muted); font-size: 14px; font-weight: 600; }
.article-body { max-width: 760px; margin: 0 auto; font-size: 17px; color: var(--text); }
.article-body h2 { font-size: 24px; margin-top: 44px; }
.article-body h3 { font-size: 19px; margin-top: 30px; }
.article-body p { color: var(--text); }
.article-body ul, .article-body ol { padding-left: 22px; margin-bottom: 1.2em; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--primary-dark); }
.callout {
  background: var(--bg-soft);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 28px 0;
  font-size: 15.5px;
}
.callout strong { display: block; margin-bottom: 4px; color: var(--primary-dark); }
.article-cta {
  margin: 48px 0 0;
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
}
.share-row { display: flex; gap: 10px; justify-content: center; margin-top: 32px; }
.tag-pill { font-size: 13px; font-weight: 700; color: var(--primary-dark); background: var(--primary-light); padding: 6px 14px; border-radius: 999px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { padding: 20px 0; font-size: 13.5px; color: var(--text-muted); display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { font-weight: 600; color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary-dark); }
.breadcrumb span[aria-current] { color: var(--text); font-weight: 700; }

/* ---------- Page header (inner pages) ---------- */
.page-hero { padding: 20px 0 60px; }
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); max-width: 760px; }
.page-hero p { color: var(--text-muted); font-size: 17px; max-width: 620px; }

/* ---------- Two-col content ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split img, .split .split-visual { border-radius: var(--radius-lg); }
.split-visual {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
}
.split-visual svg { width: 40%; color: var(--primary); opacity: .7; }

/* ---------- Pricing-ish / compare table ---------- */
.compare-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.compare-table th { background: var(--bg-soft); font-weight: 800; color: var(--primary-dark); }
.compare-table tr:last-child td { border-bottom: none; }

/* ---------- Team / values ---------- */
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info-card { background: var(--bg-soft); border-radius: var(--radius-lg); padding: 36px; }
.contact-line { display: flex; gap: 14px; margin-bottom: 22px; align-items: flex-start; }
.contact-line svg { width: 22px; height: 22px; color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.contact-line strong { display: block; font-size: 14px; color: var(--text-muted); font-weight: 700; }
.contact-line span, .contact-line a { font-size: 15.5px; font-weight: 700; }

.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 7px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  font-family: inherit;
  font-size: 14.5px;
  background: var(--bg-soft);
  transition: border-color .15s ease, background .15s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary); background: #fff;
}
.form-note { font-size: 12.5px; color: var(--text-faint); margin-top: 14px; }
.form-success { display: none; background: var(--bg-soft); border: 1px solid var(--success); color: var(--success); padding: 16px 20px; border-radius: var(--radius-sm); font-weight: 700; margin-bottom: 18px; }

.map-wrap { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); margin-top: 24px; }
.map-wrap iframe { width: 100%; height: 280px; border: 0; display: block; }

/* ---------- Footer ---------- */
.site-footer { background: #0C2126; color: #C9DADD; padding: 72px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 56px; }
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand p { color: #91ACB1; font-size: 14.5px; max-width: 300px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; transition: background .15s ease; }
.footer-social a:hover { background: var(--accent); }
.footer-social svg { width: 17px; height: 17px; color: #fff; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 14.5px; color: #A9C1C5; transition: color .15s ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 28px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: #7E9BA0; }

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--primary); color: #fff; padding: 12px 20px; z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 480px; }
  .solutions-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 24px; }
  .process-line { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .blog-grid, .blog-grid.featured-layout { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .split { grid-template-columns: 1fr; }
  .split.reverse .split-visual { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main-nav, .header-phone { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn-ghost { display: none; }
  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute; top: 78px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: flex-start; gap: 4px;
    padding: 16px 24px 24px; box-shadow: var(--shadow-md);
  }
  .site-header.nav-open .main-nav a { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--border); }
  .section { padding: 56px 0; }
  .hero { padding: 32px 0 48px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stats-grid strong { font-size: 26px; }
  .blog-grid, .blog-grid.featured-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-band { padding: 36px 24px; flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .trust-items { justify-content: flex-start; }
  .hero-badge { top: -14px; right: 14px; font-size: 12px; padding: 8px 14px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}