/* Service pages (pvc-pencere-antalya etc.). Colours and type follow the main pages. */
:root {
  --ink: oklch(20% 0.02 260);
  --ink-deep: oklch(14% 0.02 260);
  --muted: oklch(45% 0.01 260);
  --line: oklch(88% 0.01 90);
  --paper: oklch(99% 0.003 90);
  --paper-alt: oklch(96% 0.005 90);
  --red: oklch(52% 0.19 25);
  --red-hover: oklch(58% 0.19 25);
  --red-light: oklch(65% 0.17 25);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: 'Inter', sans-serif; background: var(--paper); color: var(--ink); line-height: 1.6; overflow-x: clip; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, .kicker, .brand { font-family: 'Oswald', sans-serif; }
img { max-width: 100%; display: block; }

.top { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 10px 24px; background: oklch(99% 0.003 90 / 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid oklch(85% 0.01 90); }
.logo { width: 180px; height: auto; margin: -14px 0; }
.top nav { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; }
.top nav a { font-size: 15px; font-weight: 500; opacity: .75; }
.top nav a:hover { opacity: 1; }
.top nav a.call { opacity: 1; font-size: 14px; font-weight: 700; background: var(--ink); color: #fff; padding: 11px 22px; }
.top nav a.call:hover { background: var(--red); }

.hero { display: grid; grid-template-columns: 1.1fr 1fr; background: var(--ink); color: #fff; min-height: 520px; }
.hero:not(:has(.hero-img)) { grid-template-columns: 1fr; }
.hero-text { padding: 72px 64px; display: flex; flex-direction: column; justify-content: center; gap: 20px; }
.crumbs { font-size: 13px; color: oklch(70% 0.01 260); }
.crumbs a:hover { color: #fff; }
.kicker { font-size: 14px; font-weight: 600; letter-spacing: 3px; color: var(--red-light); }
.hero h1 { font-size: 48px; line-height: 1.1; margin: 0; letter-spacing: -0.5px; max-width: 760px; }
.hero p { font-size: 17px; color: oklch(78% 0.01 260); margin: 0; max-width: 620px; }
.hero-img { position: relative; overflow: hidden; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.btn { background: var(--red); color: #fff; padding: 15px 28px; font-weight: 700; font-size: 15px; }
.btn:hover { background: var(--red-hover); }
.btn.ghost { background: none; border: 1.5px solid oklch(55% 0.01 260); }
.btn.ghost:hover { border-color: #fff; }

.band { padding: 80px 64px; }
.band.alt { background: var(--paper-alt); }
.band h2, .split h2, .cta h2 { font-size: 36px; line-height: 1.15; margin: 0 0 36px; letter-spacing: -0.3px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card { border: 1px solid var(--line); background: #fff; padding: 28px 24px; }
.card .bar { width: 40px; height: 4px; background: var(--red); margin-bottom: 14px; }
.card h3 { font-size: 19px; font-weight: 600; margin: 0 0 8px; }
.card p { font-size: 14.5px; color: var(--muted); margin: 0; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 80px 64px; border-top: 1px solid var(--line); }
.split h2 { margin-bottom: 16px; }
.split p { font-size: 16px; color: var(--muted); }
.split .side { width: 100%; height: 380px; object-fit: cover; }
.link { color: var(--red); font-weight: 700; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.steps span { font-family: 'Oswald', sans-serif; font-size: 48px; font-weight: 700; color: oklch(85% 0.01 90); line-height: 1; }
.steps h3 { font-size: 18px; margin: 12px 0 6px; }
.steps p { font-size: 14.5px; color: var(--muted); margin: 0; }

.faq { max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; }
.faq p { color: var(--muted); margin: 10px 0 0; }

.cta { background: var(--ink); color: #fff; text-align: center; padding: 80px 64px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.cta h2 { margin: 0; max-width: 720px; }
.cta p { color: oklch(72% 0.01 260); margin: 0; }
.cta .more { margin-top: 20px; font-size: 14px; }
.cta .more a { color: #fff; text-decoration: underline; }

footer { background: var(--ink-deep); color: oklch(72% 0.01 260); padding: 64px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; font-size: 14px; }
footer .brand { font-size: 20px; font-weight: 600; color: #fff; }
footer .brand span { color: var(--red); }
footer .col { display: flex; flex-direction: column; gap: 10px; }
footer .h { font-family: 'Oswald', sans-serif; font-weight: 600; color: #fff; letter-spacing: 1px; margin-bottom: 6px; }
footer a:hover { color: #fff; }
.legal { background: oklch(11% 0.02 260); color: oklch(62% 0.01 260); padding: 18px 64px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; }
.legal a:hover { color: #fff; }

@media (max-width: 900px) {
  .hero, .split, footer { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .hero-img { height: 260px; }
  .hero-text, .band, .split, .cta { padding: 48px 20px; }
  footer { padding: 48px 20px; gap: 32px; }
  .legal { padding: 18px 20px; }
  .hero h1 { font-size: 34px; }
  .band h2, .split h2, .cta h2 { font-size: 27px; }
  .grid4, .steps { grid-template-columns: 1fr 1fr; }
  .split .side { height: 240px; }
  .top { padding: 10px 16px; }
  .logo { width: 140px; }
}
@media (max-width: 560px) {
  .top { position: static; }
  .grid4, .steps { grid-template-columns: 1fr; }
}