/* Pleksi İmalat — enterprise premium theme */
:root {
  --green-900: #0b2d1b;
  --green-700: #0f3d24;
  --green-500: #196730;
  --green-100: #e8f2ec;
  --gold: #c9a24b;
  --ink: #15201a;
  --muted: #5b6b62;
  --line: #e3e9e5;
  --bg: #ffffff;
  --bg-alt: #f6f8f6;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 61, 36, .08);
  --shadow-hover: 0 18px 40px rgba(15, 61, 36, .16);
  --max: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-500); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: "Playfair Display", Georgia, serif; line-height: 1.2; margin: 0 0 .5em; color: var(--green-900); }
h1 { font-size: clamp(2rem, 4.2vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.container { width: min(var(--max), 92%); margin-inline: auto; }
.narrow { width: min(820px, 92%); margin-inline: auto; }
.center { text-align: center; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--green-900); color: #fff; padding: 8px 14px; z-index: 1000; }
.skip-link:focus { left: 8px; top: 8px; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 4px; }

/* Top bar */
.topbar { background: var(--green-900); color: #d7e6dc; font-size: .875rem; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; gap: 12px; flex-wrap: wrap; }
.topbar a { color: #fff; margin-left: 18px; }

/* Header / nav */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand img { height: 64px; width: auto; }
.primary-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 6px; align-items: center; }
.primary-nav > ul > li { position: relative; }
.primary-nav a { display: block; padding: 10px 12px; color: var(--ink); font-weight: 500; font-size: .95rem; border-radius: 8px; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--green-500); background: var(--green-100); text-decoration: none; }
.primary-nav .sub {
  display: none; position: absolute; top: 100%; left: 0; min-width: 240px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-hover);
  padding: 8px; flex-direction: column;
}
.primary-nav .has-sub:hover > .sub, .primary-nav .has-sub:focus-within > .sub { display: block; }
.primary-nav .sub li { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--green-900); margin: 5px 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: .95rem; border: 2px solid transparent; cursor: pointer; transition: all .2s ease; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--green-500); color: #fff; box-shadow: 0 8px 20px rgba(25,103,48,.3); }
.btn-primary:hover { background: var(--green-700); color: #fff; }
.btn-ghost { border-color: var(--green-500); color: var(--green-500); background: transparent; }
.btn-ghost:hover { background: var(--green-100); }
.btn-light { background: #fff; color: var(--green-900); }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); color: #fff; }

/* Hero */
.hero { background: radial-gradient(1200px 500px at 90% -10%, #d8ece0 0%, transparent 60%), linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%); padding: 80px 0 90px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .18em; font-size: .78rem; font-weight: 600; color: var(--gold); margin-bottom: 14px; }
.hero h1 span { color: var(--green-500); font-style: italic; }
.lead { font-size: 1.125rem; color: var(--muted); max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0; }
.trust { list-style: none; padding: 0; margin: 0; display: flex; gap: 32px; flex-wrap: wrap; }
.trust li { color: var(--muted); font-size: .9rem; }
.trust strong { display: block; font-family: "Playfair Display", serif; font-size: 1.8rem; color: var(--green-900); }
.hero-media img { border-radius: 24px; box-shadow: var(--shadow-hover); aspect-ratio: 4 / 3.2; object-fit: cover; width: 100%; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: linear-gradient(135deg, var(--green-900), var(--green-700)); color: #e7f0ea; }
.section-dark h2 { color: #fff; }
.section-head { max-width: 680px; margin: 0 auto 52px; text-align: center; }
.section-head.light { color: #e7f0ea; }
.section-head .eyebrow { color: var(--gold); }

.grid { display: grid; gap: 26px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* Cards */
.card, .post-card, .feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.card:hover, .post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card img, .post-card img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.card h3, .card p, .post-card h3, .post-card p, .feature h3, .feature p { padding-inline: 20px; }
.card h3 { padding-top: 18px; font-size: 1.15rem; }
.card h3 a { color: var(--green-900); }
.card p, .post-card p { color: var(--muted); font-size: .95rem; padding-bottom: 22px; }
.post-card h3 { padding-top: 18px; font-size: 1.1rem; }
.post-card h3 a { color: var(--green-900); }
.feature { padding: 34px 28px; border-top: 4px solid var(--gold); }
.feature h3, .feature p { padding-inline: 0; }
.feature p { color: var(--muted); }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-media img { border-radius: 24px; box-shadow: var(--shadow-hover); width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.check-list { list-style: none; padding: 0; margin: 20px 0 32px; }
.check-list li { padding: 10px 0 10px 34px; position: relative; border-bottom: 1px dashed var(--line); color: var(--ink); }
.check-list li::before { content: ""; position: absolute; left: 0; top: 14px; width: 18px; height: 18px; border-radius: 50%; background: var(--green-500); box-shadow: inset 0 0 0 4px #fff; }

/* Stats */
.stats { text-align: center; }
.stats > div { padding: 18px; }
.stats .num { display: block; font-family: "Playfair Display", serif; font-size: clamp(2.2rem, 4vw, 3rem); color: var(--gold); font-weight: 700; }
.stats span:last-child { color: #cfe0d5; font-size: .95rem; }

/* FAQ */
.faq { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--green-900); font-size: 1.05rem; list-style: none; }
.faq summary::after { content: "+"; float: right; color: var(--gold); font-size: 1.4rem; line-height: 1; }
.faq[open] summary::after { content: "–"; }
.faq p { margin-top: 12px; color: var(--muted); }

/* CTA */
.cta { background: linear-gradient(120deg, var(--green-500), var(--green-900)); color: #fff; padding: 72px 0; }
.cta h2 { color: #fff; }
.cta p { color: #d7ebdd; margin: 0; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--green-900); color: #bcd1c3; padding: 72px 0 0; font-size: .95rem; }
.site-footer h3 { color: #fff; font-size: 1.05rem; font-family: "Inter", sans-serif; font-weight: 600; }
.site-footer a { color: #d9e8dd; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer address { font-style: normal; }
.site-footer address p { margin-bottom: 6px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.6fr; gap: 40px; padding-bottom: 48px; }
.footer-logo { display: inline-block; background: #fff; border-radius: 12px; padding: 8px 12px; margin-bottom: 14px; }
.footer-logo img { height: 72px; width: auto; }
.social { display: flex; gap: 14px; margin-top: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: .85rem; color: #8fa897; }

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 880px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 36px; }
  .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .nav-toggle { display: block; }
  .primary-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  .primary-nav.open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; padding: 12px 4%; gap: 0; }
  .primary-nav .sub { position: static; display: block; box-shadow: none; border: 0; padding: 0 0 0 14px; min-width: 0; }
  .topbar-links { display: none; }
}
@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust { gap: 20px; }
  .hero { padding: 48px 0 60px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; }
  .hero-actions .btn, .cta-actions .btn { width: auto; flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* Inner pages */
.page-hero { background: linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%); padding: 40px 0 72px; border-bottom: 1px solid var(--line); }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; margin-top: 18px; }
.page-hero h1 { margin-bottom: .3em; }
.page-figure img { border-radius: 24px; box-shadow: var(--shadow-hover); width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; font-size: .88rem; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--gold); }
.crumbs a { color: var(--muted); }
.prose { max-width: 820px; }
.prose h2 { margin-top: 1.6em; font-size: 1.6rem; }
.prose p, .prose li { color: #2c3a33; font-size: 1.04rem; }
.prose .grid { margin-top: 8px; }
@media (max-width: 880px) { .page-hero-grid { grid-template-columns: 1fr; gap: 28px; } }