/* =========================================================
   Sağıroğlu İnşaat — vitrin stilleri
   Marka: sarı #FDC20C · siyah #171314 · kırmızı #B8262B
   ========================================================= */
:root {
  --bg: #F8F7F4;
  --surface: #FFFFFF;
  --soft: #F1EFEA;
  --ink: #171314;
  --ink-2: #3B3537;
  --muted: #716B6D;
  --line: #E6E2DC;
  --accent: #FDC20C;
  --accent-2: #FFD23F;
  --accent-soft: #FFF3C4;
  --red: #B8262B;
  --red-soft: #F8E1E2;
  --dark: #141112;
  --dark-2: #1D191A;
  --dark-3: #2A2527;
  --ok: #1F8A5B;
  --plan: #5B6472;
  --radius: 14px;
  --radius-lg: 22px;
  --container: 1200px;
  --header-h: 88px;
  --font: 'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Barlow', 'Manrope', system-ui, sans-serif;
  --shadow-sm: 0 1px 2px rgba(23, 19, 20, .05), 0 6px 18px rgba(23, 19, 20, .06);
  --shadow-md: 0 12px 32px rgba(23, 19, 20, .11);
  --shadow-lg: 0 28px 60px rgba(23, 19, 20, .2);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); line-height: 1.1; letter-spacing: -.01em; font-weight: 700; }
p { margin: 0 0 1em; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }
.icon { width: 20px; height: 20px; flex: none; }
.icon-sm { width: 16px; height: 16px; }
.icon-xs { width: 14px; height: 14px; }
.icon-xl { width: 56px; height: 56px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--dark); padding: 8px 14px; border-radius: 8px; z-index: 1000; }
.skip-link:focus { left: 8px; }
.container { width: min(var(--container), 100% - 2 * clamp(16px, 4vw, 40px)); margin-inline: auto; }
.container.narrow { max-width: 820px; }
.center-text { text-align: center; }
.muted { color: var(--muted); }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
::selection { background: var(--accent); color: var(--dark); }

/* ---------- Tipografi ---------- */
h1 { font-size: clamp(2.4rem, 5.2vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
h3 { font-size: 1.3rem; }
.section-label {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-size: .82rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink-2); margin-bottom: 16px;
}
.section-label::before { content: ''; width: 34px; height: 4px; background: var(--accent); }
.section-label.light { color: rgba(255, 255, 255, .85); }
.lead-text { font-size: 1.12rem; color: var(--ink-2); line-height: 1.75; }
.prose p { color: var(--ink-2); line-height: 1.85; margin-bottom: 1.1em; }
.prose a { color: var(--red); text-decoration: underline; text-underline-offset: 3px; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); box-shadow: inset 0 -3px 0 var(--accent); padding-bottom: 1px; transition: gap .2s, box-shadow .2s; }
.link-arrow:hover { gap: 12px; box-shadow: inset 0 -1.2em 0 var(--accent); }

/* ---------- Düğmeler ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; border-radius: 8px; font-weight: 700; font-size: .95rem; letter-spacing: .01em;
  border: 1.5px solid transparent; transition: transform .2s var(--ease), box-shadow .2s, background .2s, color .2s, border-color .2s;
  white-space: nowrap; line-height: 1.2;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn .icon { width: 18px; height: 18px; }
.btn-sm { padding: 10px 18px; font-size: .88rem; }
.btn-lg { padding: 17px 32px; font-size: 1rem; }
.btn-accent { background: var(--accent); color: var(--dark); }
.btn-accent:hover { background: var(--accent-2); box-shadow: 0 12px 26px rgba(253, 194, 12, .35); }
.btn-dark { background: var(--dark); color: #fff; }
.btn-dark:hover { background: var(--dark-3); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--ink); }
.btn-outline-light { background: rgba(255, 255, 255, .06); color: #fff; border-color: rgba(255, 255, 255, .3); backdrop-filter: blur(4px); }
.btn-outline-light:hover { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .6); }

/* ---------- Başlık çubuğu ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  background: rgba(255, 255, 255, .94); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background .3s, border-color .3s, box-shadow .3s;
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 24px; }
.main-nav { margin-left: auto; }
.main-nav > ul { display: flex; gap: 2px; }
.main-nav a { position: relative; display: inline-flex; align-items: center; gap: 4px; padding: 10px 14px; border-radius: 8px; font-weight: 700; font-size: .93rem; color: var(--ink-2); transition: color .2s, background .2s; }
.main-nav > ul > li > a::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 3px; background: var(--accent); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.main-nav > ul > li > a:hover::after, .main-nav > ul > li > a[aria-current="page"]::after { transform: scaleX(1); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--ink); }
.main-nav .has-sub { position: relative; }
.main-nav .sub-nav {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 250px; padding: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .2s, transform .2s, visibility .2s;
}
.main-nav .has-sub:hover .sub-nav, .main-nav .has-sub:focus-within .sub-nav, .main-nav .has-sub.is-open .sub-nav { opacity: 1; visibility: visible; transform: none; }
.main-nav .sub-nav a { display: block; padding: 10px 12px; font-size: .9rem; color: var(--ink-2); font-weight: 600; }
.main-nav .sub-nav a:hover { background: var(--soft); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.header-phone { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: .95rem; color: var(--ink); font-family: var(--font-display); letter-spacing: .01em; }
.header-phone .icon { color: var(--red); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; border-radius: 10px; color: var(--ink); align-items: center; justify-content: center; }
.nav-toggle .icon { width: 22px; height: 22px; }
.nav-toggle .icon-close { display: none; }
body.nav-open .nav-toggle .icon-open { display: none; }
body.nav-open .nav-toggle .icon-close { display: block; }

/* Marka — logo her zaman orijinal renkleriyle, açık zemin üzerinde */
.brand { display: inline-flex; align-items: center; }
.brand-img { display: block; height: 54px; width: auto; max-width: 230px; object-fit: contain; object-position: left center; }
.brand-plate { background: #fff; border-radius: 12px; padding: 12px 18px; box-shadow: 0 10px 30px rgba(0, 0, 0, .25); }
.footer-brand .brand-img { height: 56px; max-width: 240px; }

/* Başlık çubuğu her sayfada beyazdır; kaydırınca gölge alır */
.scrolled .site-header { box-shadow: 0 6px 24px rgba(23, 19, 20, .08); }
body:not(.page-home) main { padding-top: var(--header-h); }

/* Mobil menü */
.mobile-nav {
  position: fixed; inset: 0; z-index: 90; background: var(--dark); color: #fff;
  padding: calc(var(--header-h) + 24px) clamp(20px, 6vw, 48px) 32px;
  display: flex; flex-direction: column; justify-content: space-between;
  opacity: 0; visibility: hidden; transform: translateY(-12px); transition: opacity .3s, transform .3s, visibility .3s;
}
body.nav-open .mobile-nav { opacity: 1; visibility: visible; transform: none; }
body.nav-open { overflow: hidden; }
/* Menü açıkken başlık çubuğu beyaz kalır; koyu menü paneli altında açılır */
.mobile-nav nav { display: flex; flex-direction: column; }
.mobile-nav nav a { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.mobile-nav nav a.sub { font-family: var(--font); font-size: 1.05rem; font-weight: 600; color: rgba(255, 255, 255, .7); padding: 10px 0 10px 18px; }
.mobile-nav-footer { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }

/* ---------- Bölümler ---------- */
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-dark { background: var(--dark); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-soft { background: var(--soft); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head.center { flex-direction: column; align-items: center; text-align: center; }
.section-head h2 { max-width: 680px; }
.section-foot { text-align: center; margin-top: 48px; }
.empty-note { color: var(--muted); text-align: center; padding: 32px; }
.stripe { height: 8px; background: repeating-linear-gradient(135deg, var(--accent) 0 18px, var(--dark) 18px 36px); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center;
  color: #fff; padding: calc(var(--header-h) + 48px) 0 0; overflow: hidden; background: var(--dark);
}
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; animation: heroZoom 18s ease-out forwards; }
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1); } }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(20, 17, 18, .9) 0%, rgba(20, 17, 18, .62) 48%, rgba(20, 17, 18, .3) 100%), linear-gradient(to top, rgba(20, 17, 18, .92), transparent 48%); }
.hero-inner { position: relative; max-width: 780px; margin-left: calc((100% - min(var(--container), 100% - 2 * clamp(16px, 4vw, 40px))) / 2); padding-bottom: 56px; }
.eyebrow { display: inline-flex; align-items: center; gap: 14px; font-family: var(--font-display); font-size: .86rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); margin-bottom: 24px; }
.eyebrow::before { content: ''; width: 44px; height: 4px; background: var(--accent); }
.hero h1 { font-size: clamp(2.7rem, 6.4vw, 5rem); font-weight: 800; line-height: 1.02; letter-spacing: -.015em; margin-bottom: 24px; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lead { font-size: clamp(1.02rem, 1.4vw, 1.2rem); color: rgba(255, 255, 255, .78); max-width: 580px; line-height: 1.7; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats { position: relative; margin-top: auto; }

/* İstatistikler */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.stat { background: var(--surface); padding: 30px 26px; }
.stat strong { display: block; font-family: var(--font-display); font-size: clamp(2rem, 3.4vw, 3rem); font-weight: 800; letter-spacing: -.02em; line-height: 1; color: var(--ink); }
.stat strong::after { content: ''; display: block; width: 32px; height: 4px; background: var(--accent); margin-top: 14px; }
.stat-label { display: block; margin-top: 10px; font-size: .82rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.stats-light { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .14); border-radius: var(--radius-lg) var(--radius-lg) 0 0; border-bottom: 0; }
.stats-light .stat { background: rgba(20, 17, 18, .72); backdrop-filter: blur(10px); }
.stats-light .stat strong { color: #fff; }
.stats-light .stat-label { color: rgba(255, 255, 255, .62); }

/* ---------- Bölünmüş düzen (hakkımızda) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.split-media { position: relative; }
.media-frame { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4 / 5; }
.media-frame::before { content: ''; position: absolute; inset: auto 0 0 0; height: 8px; background: var(--accent); z-index: 1; }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.since-badge {
  position: absolute; right: -18px; bottom: 40px; background: var(--dark); color: #fff;
  padding: 20px 26px; border-radius: 14px; box-shadow: var(--shadow-md); line-height: 1.1; border-left: 6px solid var(--accent);
}
.since-badge strong { display: block; font-family: var(--font-display); font-size: 2.4rem; font-weight: 800; letter-spacing: -.02em; color: var(--accent); }
.since-badge span { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: rgba(255, 255, 255, .75); }
.split-text h2 { margin-bottom: 20px; }
.split-text .btn { margin-top: 12px; }
.check-list { display: grid; gap: 12px; margin: 24px 0 28px; }
.check-list li { display: flex; align-items: flex-start; gap: 12px; font-weight: 600; color: var(--ink-2); }
.check-list .icon { width: 24px; height: 24px; padding: 4px; background: var(--accent); color: var(--dark); border-radius: 6px; flex: none; }

/* ---------- Hizmet kartları ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card {
  position: relative; display: flex; flex-direction: column; gap: 14px; padding: 34px 28px 28px;
  background: var(--dark-2); border: 1px solid rgba(255, 255, 255, .08); border-radius: var(--radius-lg);
  transition: transform .3s var(--ease), border-color .3s, background .3s; overflow: hidden;
}
.service-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--accent); transform: scaleY(0); transform-origin: top; transition: transform .35s var(--ease); }
.service-card:hover { transform: translateY(-6px); border-color: rgba(253, 194, 12, .4); background: var(--dark-3); }
.service-card:hover::before { transform: scaleY(1); }
.service-icon { width: 58px; height: 58px; display: grid; place-items: center; background: var(--accent); color: var(--dark); border-radius: 12px; }
.service-icon .icon { width: 26px; height: 26px; }
.service-index { position: absolute; top: 26px; right: 26px; font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: rgba(255, 255, 255, .28); letter-spacing: .1em; }
.service-card h3 { font-size: 1.35rem; color: #fff; }
.service-card p { color: rgba(255, 255, 255, .68); font-size: .95rem; margin: 0; flex: 1; }
.service-more { display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; font-weight: 700; color: var(--accent); margin-top: 6px; }

/* ---------- Proje kartları ---------- */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.project-card { position: relative; background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .35s var(--ease), box-shadow .35s; display: flex; flex-direction: column; }
.project-card::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 5px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.project-card:hover::after { transform: scaleX(1); }
.project-card.is-hidden { display: none; }
.project-card-media { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--dark-2); }
.project-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.project-card:hover .project-card-media img { transform: scale(1.06); }
.badge { position: absolute; top: 16px; left: 16px; display: inline-flex; align-items: center; gap: 7px; padding: 7px 12px; border-radius: 6px; font-family: var(--font-display); font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #fff; background: var(--dark); }
.badge::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge-devam { background: var(--accent); color: var(--dark); }
.badge-tamam { background: var(--ok); color: #fff; }
.badge-plan { background: var(--plan); color: #fff; }
.badge-lg { position: static; padding: 8px 16px; font-size: .82rem; margin-bottom: 18px; }
.progress-pill { position: absolute; right: 16px; bottom: 16px; background: rgba(20, 17, 18, .82); color: #fff; font-size: .75rem; font-weight: 700; padding: 6px 10px; border-radius: 6px; backdrop-filter: blur(6px); }
.project-card-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.project-card-meta { display: flex; justify-content: space-between; gap: 12px; font-family: var(--font-display); font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--red); }
.project-card-meta span + span { color: var(--muted); }
.project-card h3 { font-size: 1.4rem; }
.project-card h3 a:hover { color: var(--red); }
.project-card-loc { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: .92rem; margin: 0; }
.progress { height: 6px; background: var(--soft); border-radius: 999px; overflow: hidden; margin-top: 8px; }
.progress span { display: block; height: 100%; background: var(--accent); border-radius: inherit; transition: width 1s var(--ease); }

/* Sekmeler */
.tabs { display: inline-flex; padding: 4px; background: var(--soft); border-radius: 10px; gap: 2px; }
.tab { padding: 10px 18px; border: 0; border-radius: 8px; background: transparent; font-weight: 700; font-size: .9rem; color: var(--muted); transition: background .2s, color .2s; }
.tab:hover { color: var(--ink); }
.tab.is-active { background: var(--dark); color: #fff; }

/* ---------- Süreç ---------- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.process-step { position: relative; background: var(--surface); border-radius: var(--radius-lg); padding: 32px 26px 28px; border: 1px solid var(--line); transition: transform .3s var(--ease), box-shadow .3s; }
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-num { position: absolute; top: 20px; right: 24px; font-family: var(--font-display); font-size: 2.8rem; font-weight: 800; color: var(--accent-soft); line-height: 1; }
.step-icon { width: 54px; height: 54px; display: grid; place-items: center; background: var(--dark); color: var(--accent); border-radius: 12px; margin-bottom: 20px; }
.step-icon .icon { width: 24px; height: 24px; }
.process-step h3 { font-size: 1.25rem; margin-bottom: 10px; }
.process-step p { color: var(--muted); font-size: .95rem; margin: 0; }

/* ---------- Neden biz ---------- */
.why-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.why-text h2 { margin-bottom: 18px; }
.why-text p { color: var(--ink-2); margin-bottom: 28px; }
.why-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.why-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px 24px; transition: transform .3s var(--ease), box-shadow .3s, border-color .3s; }
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.why-icon { width: 46px; height: 46px; display: grid; place-items: center; background: var(--accent); color: var(--dark); border-radius: 10px; margin-bottom: 16px; }
.why-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.why-card p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ---------- CTA ---------- */
.cta-band { position: relative; background: var(--dark); color: #fff; padding: clamp(56px, 7vw, 96px) 0; overflow: hidden; }
.cta-band::before { content: ''; position: absolute; width: 560px; height: 560px; right: -160px; top: -220px; border-radius: 50%; background: radial-gradient(circle, rgba(253, 194, 12, .28), transparent 65%); }
.cta-band::after { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 6px; background: var(--accent); }
.cta-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-inner h2 { color: #fff; margin-bottom: 12px; font-size: clamp(1.9rem, 3.6vw, 3rem); }
.cta-inner p { color: rgba(255, 255, 255, .72); max-width: 540px; margin: 0; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; flex: none; }

/* ---------- Alt bilgi ---------- */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, .72); padding: clamp(56px, 7vw, 88px) 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-brand p { margin: 20px 0 22px; font-size: .95rem; line-height: 1.7; max-width: 340px; }
.site-footer h4 { color: #fff; font-size: .9rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 18px; }
.site-footer h4::after { content: ''; display: block; width: 28px; height: 3px; background: var(--accent); margin-top: 10px; }
.site-footer ul li { margin-bottom: 10px; font-size: .95rem; }
.site-footer ul a:hover { color: var(--accent); }
.contact-list li { display: flex; gap: 10px; align-items: flex-start; }
.contact-list .icon { color: var(--accent); margin-top: 3px; width: 18px; height: 18px; }
.social { display: flex; gap: 10px; }
.social a { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid rgba(255, 255, 255, .14); border-radius: 10px; color: #fff; transition: background .2s, border-color .2s, color .2s; }
.social a:hover { background: var(--accent); border-color: var(--accent); color: var(--dark); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; font-size: .85rem; color: rgba(255, 255, 255, .5); }
.footer-links { display: flex; gap: 18px; }
.footer-links a:hover { color: #fff; }

/* WhatsApp */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 80; display: inline-flex; align-items: center; gap: 10px;
  background: #25D366; color: #fff; padding: 12px 18px 12px 14px; border-radius: 999px; font-weight: 700;
  box-shadow: 0 10px 28px rgba(37, 211, 102, .4); transition: transform .2s var(--ease), box-shadow .2s;
}
.wa-float:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(37, 211, 102, .5); }
.wa-float .icon { width: 24px; height: 24px; }

/* ---------- İç sayfa başlığı ---------- */
.page-header { position: relative; background: var(--dark); color: #fff; padding: clamp(56px, 8vw, 96px) 0 clamp(48px, 6vw, 80px); overflow: hidden; }
.page-header-bg { position: absolute; inset: 0; background: url('/assets/img/hero-default.svg') center / cover no-repeat; opacity: .55; }
.page-header-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20, 17, 18, .96), rgba(20, 17, 18, .6)); }
.page-header::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: var(--accent); }
.page-header .container { position: relative; }
.page-header h1 { color: #fff; font-size: clamp(2.3rem, 5vw, 3.8rem); }
.page-subtitle { margin: 16px 0 0; max-width: 640px; color: rgba(255, 255, 255, .74); font-size: 1.08rem; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: .85rem; font-weight: 700; color: rgba(255, 255, 255, .55); margin-bottom: 18px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span[aria-current] { color: var(--accent); }

/* ---------- Hakkımızda ---------- */
.mv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.mv-card { background: var(--surface); border: 1px solid var(--line); border-top: 5px solid var(--accent); border-radius: var(--radius-lg); padding: 34px 30px; }
.mv-icon { width: 54px; height: 54px; display: grid; place-items: center; background: var(--dark); color: var(--accent); border-radius: 12px; margin-bottom: 20px; }
.mv-icon .icon { width: 26px; height: 26px; }
.mv-card h3 { margin-bottom: 10px; font-size: 1.4rem; }
.mv-card p { color: var(--ink-2); margin: 0; }
.expertise-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.expertise-list li { display: flex; gap: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.expertise-icon { width: 46px; height: 46px; display: grid; place-items: center; background: var(--accent); color: var(--dark); border-radius: 10px; flex: none; }
.expertise-list h3 { font-size: 1.15rem; margin-bottom: 6px; }
.expertise-list p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ---------- Hizmetler sayfası ---------- */
.service-rows { display: grid; gap: 22px; }
.service-row { display: grid; grid-template-columns: 140px 1fr; gap: 32px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 44px); scroll-margin-top: calc(var(--header-h) + 20px); }
.service-row-head { display: flex; flex-direction: column; gap: 18px; }
.service-row-num { font-family: var(--font-display); font-size: 3rem; font-weight: 800; color: var(--accent); line-height: 1; }
.service-row-icon { width: 60px; height: 60px; display: grid; place-items: center; background: var(--dark); color: var(--accent); border-radius: 14px; }
.service-row-icon .icon { width: 28px; height: 28px; }
.service-row h2 { font-size: 1.9rem; margin-bottom: 12px; }
.service-row .prose { margin-top: 8px; }
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.principle { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px 24px; }
.principle-icon { width: 48px; height: 48px; display: grid; place-items: center; background: var(--accent); color: var(--dark); border-radius: 10px; margin-bottom: 16px; }
.principle h3 { font-size: 1.15rem; margin-bottom: 8px; }
.principle p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ---------- Projeler listesi ---------- */
.filter-bar { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 36px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 8px; background: var(--surface); border: 1px solid var(--line); font-weight: 700; font-size: .92rem; color: var(--ink-2); transition: all .2s; }
.pill b { font-size: .75rem; padding: 2px 7px; border-radius: 999px; background: var(--soft); color: var(--muted); }
.pill:hover { border-color: var(--ink); }
.pill.is-active { background: var(--dark); border-color: var(--dark); color: #fff; }
.pill.is-active b { background: var(--accent); color: var(--dark); }
.filter-select select { padding: 11px 40px 11px 16px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23171314' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center; appearance: none; font-weight: 700; color: var(--ink); }
.empty-state { text-align: center; padding: 64px 24px; background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius-lg); }
.empty-state .icon { color: var(--accent); margin: 0 auto 16px; }
.empty-state h2 { font-size: 1.5rem; margin-bottom: 8px; }
.empty-state p { color: var(--muted); margin-bottom: 20px; }

/* ---------- Proje detay ---------- */
.project-hero { position: relative; min-height: 64vh; display: flex; align-items: flex-end; color: #fff; background: var(--dark); padding: calc(var(--header-h) + 40px) 0 48px; }
body:not(.page-home) main > .project-hero { margin-top: calc(-1 * var(--header-h)); }
.project-hero::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: var(--accent); }
.project-hero-media { position: absolute; inset: 0; overflow: hidden; }
.project-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.project-hero .hero-shade { background: linear-gradient(to top, rgba(20, 17, 18, .96) 0%, rgba(20, 17, 18, .55) 50%, rgba(20, 17, 18, .25) 100%); }
.project-hero-inner { position: relative; }
.breadcrumb.light { color: rgba(255, 255, 255, .6); }
.project-hero h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 3.8rem); margin-bottom: 12px; }
.project-hero-loc { display: flex; align-items: center; gap: 8px; color: rgba(255, 255, 255, .78); font-size: 1.05rem; margin: 0; }
.project-hero-loc .icon { color: var(--accent); }
.project-layout { display: grid; grid-template-columns: 1fr 360px; gap: clamp(32px, 5vw, 64px); align-items: start; }
.gallery-title { font-size: 1.7rem; margin: 40px 0 20px; display: flex; align-items: baseline; gap: 12px; }
.gallery-title small { font-family: var(--font); font-size: .85rem; font-weight: 600; color: var(--muted); }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gallery-item { position: relative; display: block; aspect-ratio: 4 / 3; border-radius: 12px; overflow: hidden; background: var(--dark-2); }
.gallery-item:first-child { grid-column: span 2; grid-row: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-caption { position: absolute; inset: auto 0 0 0; padding: 20px 14px 12px; font-size: .82rem; font-weight: 600; color: #fff; background: linear-gradient(to top, rgba(0, 0, 0, .7), transparent); }
.project-side { position: sticky; top: calc(var(--header-h) + 24px); }
.spec-card { background: var(--surface); border: 1px solid var(--line); border-top: 5px solid var(--accent); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); }
.spec-card h2 { font-size: 1.3rem; letter-spacing: .02em; margin-bottom: 14px; }
.spec-list { margin: 0; display: grid; }
.spec-list > div { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.spec-list dt { display: flex; align-items: center; gap: 8px; font-size: .88rem; font-weight: 600; color: var(--muted); }
.spec-list dt .icon { color: var(--red); }
.spec-list dd { margin: 0; font-weight: 700; text-align: right; display: inline-flex; align-items: center; gap: 8px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot-devam { background: var(--accent); } .dot-tamam { background: var(--ok); } .dot-plan { background: var(--plan); }
.progress-block { margin-top: 20px; }
.progress-head { display: flex; justify-content: space-between; font-size: .88rem; font-weight: 600; color: var(--muted); }
.progress-head strong { color: var(--ink); font-size: 1rem; }
.spec-actions { display: grid; gap: 10px; margin-top: 24px; }
.back-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; font-weight: 600; color: var(--muted); }
.back-link:hover { color: var(--ink); }

/* ---------- İletişim ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: clamp(48px, 6vw, 80px); }
.contact-card { display: flex; flex-direction: column; gap: 6px; padding: 26px 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); transition: transform .3s var(--ease), box-shadow .3s, border-color .3s; }
a.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.contact-icon { width: 48px; height: 48px; display: grid; place-items: center; background: var(--dark); color: var(--accent); border-radius: 12px; margin-bottom: 10px; }
.contact-icon-wa { background: #25D366; color: #fff; }
.contact-label { font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.contact-card strong { font-size: 1.05rem; word-break: break-word; }
.contact-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.contact-form-wrap h2 { margin-bottom: 8px; }
.contact-form-wrap .muted { margin-bottom: 28px; }
.notice { display: flex; gap: 12px; align-items: flex-start; padding: 16px 18px; border-radius: 12px; margin-bottom: 24px; font-size: .95rem; }
.notice .icon { flex: none; margin-top: 2px; }
.notice-success { background: #E6F6EE; color: #1E6B48; border: 1px solid #BFE5D1; }
.notice-error { background: var(--red-soft); color: #8E2E22; border: 1px solid #F0C4BD; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; margin-bottom: 24px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: .9rem; }
.field .req { color: var(--red); }
.field input, .field select, .field textarea { padding: 13px 15px; border: 1.5px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); transition: border-color .2s, box-shadow .2s; width: 100%; }
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 4px rgba(253, 194, 12, .35); }
.field.has-error input, .field.has-error textarea { border-color: var(--red); }
.field .error { color: var(--red); font-size: .82rem; font-weight: 600; }
.field-check label { display: flex; gap: 12px; align-items: flex-start; font-weight: 500; font-size: .9rem; color: var(--ink-2); }
.field-check input { width: 18px; height: 18px; margin-top: 2px; flex: none; accent-color: var(--dark); }
.field-check a { color: var(--red); text-decoration: underline; text-underline-offset: 2px; }
.address-card { background: var(--dark); color: #fff; border-radius: var(--radius-lg); padding: 30px; margin-bottom: 18px; border-left: 6px solid var(--accent); }
.address-card h3 { color: #fff; margin: 4px 0 8px; }
.address-card p { color: rgba(255, 255, 255, .72); }
.address-card .link-arrow { color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); }
.address-card .link-arrow:hover { color: var(--dark); }
.map-frame { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 4 / 3; background: var(--soft); }
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- Hata sayfaları ---------- */
.error-page { min-height: 60vh; display: flex; align-items: center; }
.error-code { display: block; font-family: var(--font-display); font-size: clamp(5rem, 14vw, 9rem); font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 12px; }
.error-page h1 { font-size: clamp(1.7rem, 3vw, 2.6rem); margin-bottom: 12px; }
.error-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }

/* ---------- Işık kutusu ---------- */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(10, 8, 9, .94); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox figure { margin: 0; max-width: min(1400px, 92vw); max-height: 88vh; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.lightbox img { max-width: 100%; max-height: 80vh; object-fit: contain; border-radius: 8px; box-shadow: var(--shadow-lg); }
.lightbox figcaption { color: rgba(255, 255, 255, .8); font-size: .9rem; font-weight: 600; min-height: 1.2em; }
.lightbox button { position: absolute; width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .08); color: #fff; display: grid; place-items: center; transition: background .2s, color .2s; }
.lightbox button:hover { background: var(--accent); color: var(--dark); }
.lightbox button .icon { width: 24px; height: 24px; }
.lb-close { top: 20px; right: 20px; }
.lb-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 20px; top: 50%; transform: translateY(-50%); }

/* ---------- Görünme animasyonu ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-media img { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Duyarlı ---------- */
@media (max-width: 1100px) {
  .main-nav a { padding: 10px 10px; font-size: .9rem; }
  .header-phone span { display: none; }
  .project-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps, .principles, .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .project-layout { grid-template-columns: 1fr 320px; }
}
@media (max-width: 900px) {
  :root { --header-h: 74px; }
  .main-nav, .header-phone, .header-actions .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-actions { margin-left: auto; }
  .brand-img { height: 46px; max-width: 190px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .split, .why-grid, .project-layout, .contact-layout { grid-template-columns: 1fr; }
  .split-media { max-width: 520px; }
  .since-badge { right: 12px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .mv-grid { grid-template-columns: 1fr; }
  .expertise-list { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 1fr; gap: 20px; }
  .service-row-head { flex-direction: row; align-items: center; }
  .project-side { position: static; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery-item:first-child { grid-column: span 2; grid-row: span 1; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 72px); }
  .hero-inner { padding-bottom: 40px; }
}
@media (max-width: 600px) {
  body { font-size: 15px; }
  .project-grid, .services-grid, .process-steps, .principles, .contact-cards, .why-cards { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { padding: 20px 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .form-grid { grid-template-columns: 1fr; }
  .wa-float span { display: none; }
  .wa-float { padding: 14px; }
  .hero-actions .btn { width: 100%; }
  .tabs { width: 100%; }
  .tab { flex: 1; padding: 10px 8px; font-size: .85rem; }
  .filter-select { width: 100%; }
  .filter-select select { width: 100%; }
  .lb-prev, .lb-next { width: 42px; height: 42px; }
}