/* Yapıtaş — endüstriyel tema: kömür grisi, iş güvenliği sarısı, sert köşeler, dar başlık fontu */
:root {
    --ink: #12161d; --text: #3b4350; --muted: #6b7380;
    --bg: #fff; --bg-alt: #f3f1ec; --line: #e2ded5; --card: #fff;
    --r: 4px; --r-sm: 3px; --r-lg: 6px; --btn-r: 2px;
    --shadow: 0 10px 30px rgba(18, 22, 29, .08); --shadow-lg: 0 24px 60px rgba(18, 22, 29, .18);
    --head: 'Barlow Condensed', 'Arial Narrow', sans-serif; --body: 'Barlow', system-ui, sans-serif; --head-w: 700; --header: 84px;
}
h1, h2, h3, .h2, .h3 { text-transform: uppercase; letter-spacing: .01em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); line-height: 1; }
h2, .h2 { font-size: clamp(2rem, 3.6vw, 2.9rem); line-height: 1.05; }
.h4, .h5, .c-body h3 { text-transform: none; }
.c-body h3 { font-size: 1.35rem; text-transform: uppercase; }
.kicker { color: var(--ink); display: inline-flex; align-items: center; gap: 10px; letter-spacing: .16em; }
.kicker::before { content: ''; width: 34px; height: 4px; background: var(--accent); }
.btn { text-transform: uppercase; letter-spacing: .05em; font-size: .9rem; }
.btn-accent, .btn-accent:hover { color: var(--ink); }
.btn-accent:hover { background: #ffb81f; }
.btn-soft { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-soft:hover { background: var(--ink); color: #fff; }

/* Üst çubuk + menü */
.topbar { background: #0b0e13; }
.site-header { background: #fff; border-bottom: 1px solid var(--line); }
.brand-mark { background: var(--accent); color: var(--ink); border-radius: 2px; }
.brand-text strong { font-size: 1.7rem; text-transform: uppercase; letter-spacing: .02em; }
.nav-list > li > a { text-transform: uppercase; font-family: var(--head); font-size: 1.08rem; letter-spacing: .03em; font-weight: 600; }
.nav-list > li > a.on { color: var(--ink); box-shadow: inset 0 -3px 0 var(--accent); border-radius: 0; }
.drop-ic { background: var(--ink); color: var(--accent); }

/* Hero */
.hero { position: relative; min-height: min(calc(100vh - var(--header) - 40px), 820px); display: flex; flex-direction: column; justify-content: center; padding: 90px 0 0; background: var(--ink); color: rgba(255, 255, 255, .85); overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(11, 14, 19, .92) 0%, rgba(11, 14, 19, .72) 45%, rgba(11, 14, 19, .25) 100%); }
.hero .bg-photo { z-index: 0; }
.hero-in { position: relative; z-index: 2; max-width: 1220px; }
.hero-in > * { max-width: 760px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 12px; font-family: var(--head); font-size: 1.1rem; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--accent); margin-bottom: 18px; }
.hero-eyebrow::before { content: ''; width: 48px; height: 4px; background: var(--accent); }
.hero h1 { color: #fff; }
.hero .lead { color: rgba(255, 255, 255, .82); font-size: 1.2rem; }
.hero-stats { position: relative; z-index: 2; list-style: none; margin: 70px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); background: var(--accent); color: var(--ink); }
.hero-stats li { padding: 26px 28px; border-right: 1px solid rgba(18, 22, 29, .15); }
.hero-stats li:last-child { border-right: 0; }
.hero-stats strong { display: block; font-family: var(--head); font-size: clamp(2rem, 3.4vw, 2.8rem); line-height: 1; font-weight: 800; }
.hero-stats span { font-weight: 700; font-size: .92rem; }

/* Hizmet satırları */
.svc-list { border-top: 2px solid var(--ink); }
.svc-row { position: relative; display: grid; grid-template-columns: 70px 200px minmax(0, 1fr) 60px; gap: 28px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); color: var(--text); transition: background .25s, padding .25s; }
.svc-row img { width: 200px; height: 120px; object-fit: cover; filter: grayscale(.6); transition: filter .3s; }
.svc-row:hover { background: var(--bg-alt); padding-left: 16px; padding-right: 16px; color: var(--text); }
.svc-row:hover img { filter: none; }
.sr-no { font-family: var(--head); font-size: 2.6rem; font-weight: 800; color: var(--line); line-height: 1; }
.svc-row:hover .sr-no { color: var(--accent); }
.sr-body { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; align-items: center; }
.sr-ic { grid-row: span 2; display: grid; place-items: center; width: 48px; height: 48px; background: var(--ink); color: var(--accent); }
.sr-body strong { font-family: var(--head); font-size: 1.6rem; text-transform: uppercase; color: var(--ink); line-height: 1.1; }
.sr-body > span:last-child { color: var(--muted); font-size: .95rem; }
.sr-go { display: grid; place-items: center; width: 52px; height: 52px; border: 2px solid var(--ink); color: var(--ink); transition: .25s; }
.svc-row:hover .sr-go { background: var(--accent); border-color: var(--accent); }

/* Hakkımızda */
.about-sec { background: var(--bg-alt); }
.about-media img { border-radius: 0; box-shadow: 18px 18px 0 var(--accent); }
.about-badge { background: var(--ink); color: #fff; border-radius: 0; left: -18px; right: auto; }
.about-badge strong { color: var(--accent); font-size: 3rem; }
.tick-list li > span { background: var(--accent); color: var(--ink); border-radius: 2px; }

/* Projeler (koyu bölüm) */
.items-sec.dark { background: var(--ink); color: rgba(255, 255, 255, .75); }
.items-sec.dark h2 { color: #fff; }
.items-sec.dark .sec-head p { color: rgba(255, 255, 255, .65); }
.items-sec.dark .kicker { color: #fff; }
.items-sec.dark .btn-soft { border-color: #fff; color: #fff; }
.items-sec.dark .btn-soft:hover { background: #fff; color: var(--ink); }
.item-card { box-shadow: none; border: 1px solid var(--line); }
.items-sec.dark .item-card { border: 0; }
.item-card .c-media { aspect-ratio: 4 / 3; }
.c-badge { background: var(--accent); color: var(--ink); border-radius: 0; left: 0; top: 18px; padding: 6px 14px; text-transform: uppercase; letter-spacing: .06em; }
.c-cat { color: var(--muted); }
.c-attrs b { font-family: var(--head); font-size: 1.05rem; }
.c-more { color: var(--ink); text-transform: uppercase; font-family: var(--head); font-size: 1rem; letter-spacing: .04em; }
.c-more .ic { color: var(--accent); }
.card { border-radius: 0; }
.card:hover { transform: none; box-shadow: var(--shadow-lg); }

/* Adımlar */
.steps { gap: 0; border: 2px solid var(--ink); }
.steps li { border: 0; border-right: 1px solid var(--line); border-radius: 0; padding: 36px 28px; }
.steps li:last-child { border-right: 0; }
.st-no { color: var(--accent); font-size: 3rem; top: 14px; }
.st-ic { background: var(--ink); color: var(--accent); border-radius: 0; }

/* Referanslar */
.quote-sec .quote-card { border-radius: 0; border-top: 4px solid var(--accent); box-shadow: var(--shadow); }
.q-ic { color: var(--accent); }

/* Ekip */
.team-card .c-media img { filter: grayscale(1); transition: filter .4s, transform .6s; }
.team-card:hover .c-media img { filter: none; }
.c-role { color: var(--muted); text-transform: uppercase; font-size: .8rem; letter-spacing: .06em; }

/* Form ve SSS */
.form-card { border-radius: 0; border-top: 5px solid var(--accent); }
.faq { border-radius: 0; }
.faq summary { text-transform: none; font-family: var(--body); font-weight: 700; }
.faq[open] summary i { background: var(--accent); color: var(--ink); }
.field input, .field select, .field textarea { border-radius: 0; }
.c-card > span, .fact > span, .side-list a span { background: var(--ink); color: var(--accent); border-radius: 0; }
.side-call { background: var(--accent); color: var(--ink); border-radius: 0; }
.side-call:hover { color: var(--ink); }

/* Sayfa başlığı */
.page-hero { background: var(--ink); padding: 70px 0 64px; }
.page-hero h1 { color: #fff; }
.page-hero .lead { color: rgba(255, 255, 255, .7); }
.crumbs a { color: rgba(255, 255, 255, .6); }
.crumbs a:hover, .crumbs [aria-current] { color: var(--accent); }
.crumbs .sep { color: rgba(255, 255, 255, .3); }
.ph-deco { color: rgba(245, 163, 0, .12); }
.page-hero::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 6px; background: repeating-linear-gradient(-45deg, var(--accent) 0 18px, var(--ink) 18px 36px); }

.filter-pills a { border-radius: 0; text-transform: uppercase; font-family: var(--head); letter-spacing: .04em; font-size: 1rem; }
.filter-pills a.on, .filter-pills a:hover { background: var(--ink); border-color: var(--ink); }
.spec-box { border-left: 5px solid var(--accent); border-radius: 0; }
.spec-price strong, .spec-list dd { font-family: var(--head); font-size: 1.2rem; }
.gb-main, .gb-t, .detail-img, .post-cover, .map-box, .pf-photo, .profile-card, .g-item { border-radius: 0; }
.gb-t.on { border-color: var(--accent); }
.cta-band { background: var(--accent); color: var(--ink); }
.cta-band.has-img::before { background: linear-gradient(90deg, rgba(11, 14, 19, .94), rgba(11, 14, 19, .7)); }
.cta-band.has-img { color: rgba(255, 255, 255, .8); }
.site-footer { background: #0b0e13; border-top: 6px solid var(--accent); }
.site-footer .brand-mark { background: var(--accent); }
.float-bar .fb-main { color: var(--ink); }

@media (max-width: 960px) {
    .hero { min-height: 0; padding-top: 70px; }
    .hero-stats { grid-template-columns: 1fr 1fr; margin-top: 50px; }
    .hero-stats li:nth-child(2) { border-right: 0; }
    .hero-stats li:nth-child(-n+2) { border-bottom: 1px solid rgba(18, 22, 29, .15); }
    .svc-row { grid-template-columns: 50px minmax(0, 1fr) 48px; gap: 16px; }
    .svc-row img { display: none; }
    .steps li:nth-child(2) { border-right: 0; }
    .steps li:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 640px) {
    .hero-stats li { padding: 18px 16px; }
    .svc-row { grid-template-columns: minmax(0, 1fr) 44px; padding: 18px 0; }
    .sr-no { display: none; }
    .sr-body { grid-template-columns: 1fr; }
    .sr-ic { display: none; }
    .sr-body strong { font-size: 1.35rem; }
    .sr-go { width: 44px; height: 44px; }
    .steps li { border-right: 0 !important; border-bottom: 1px solid var(--line); }
    .about-media img { box-shadow: 10px 10px 0 var(--accent); }
    .about-badge { left: 10px; }
}