/* ═══ İSKA İNŞAAT ═══ */
:root {
  --navy: #0d2137;
  --navy-2: #163450;
  --navy-3: #1e4a6e;
  --amber: #d9930d;
  --amber-dk: #b47607;
  --bg: #f5f4f0;
  --surface: #fff;
  --text: #1a2733;
  --muted: #5b6b7b;
  --line: #e3e1da;
  --r: 8px;
  --r-lg: 14px;
  --r-xl: 20px;
  --sh-sm: 0 1px 3px rgba(13,33,55,.07);
  --sh-md: 0 8px 24px rgba(13,33,55,.1);
  --sh-lg: 0 18px 48px rgba(13,33,55,.16);
  --dur: .22s;
  --ease: cubic-bezier(.4,0,.2,1);
  --max: 1160px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.ic { width: 14px; height: 14px; flex-shrink: 0; }

/* Animasyon */
@keyframes rise { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* ── Topbar ── */
.topbar { background: var(--navy); color: rgba(255,255,255,.75); font-size: 12.5px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar a { display: inline-flex; align-items: center; gap: 7px; transition: color var(--dur) var(--ease); }
.topbar a:hover { color: #fff; }
.topbar-left { display: flex; gap: 22px; }
.topbar-right { display: flex; gap: 18px; }
.tb-grup { color: var(--amber); font-weight: 700; }
@media (max-width: 720px) { .topbar-left a:nth-child(2) { display: none; } }

/* ── Header ── */
#site-header {
  background: #fff; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 100;
  transition: box-shadow var(--dur) var(--ease);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--navy);
  color: var(--amber); font-weight: 900; font-size: 17px; letter-spacing: .02em;
  display: flex; align-items: center; justify-content: center;
}
.brand-name { line-height: 1.15; }
.brand-name strong { display: block; font-size: 17px; font-weight: 900; letter-spacing: .08em; color: var(--navy); }
.brand-name span { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: .22em; color: var(--amber-dk); text-transform: uppercase; }
#main-nav ul { display: flex; gap: 4px; }
#main-nav a {
  display: block; padding: 9px 15px; border-radius: var(--r);
  font-size: 14px; font-weight: 600; color: var(--muted);
  transition: all var(--dur) var(--ease);
}
#main-nav a:hover { color: var(--navy); background: var(--bg); }
#main-nav a.active { color: var(--navy); font-weight: 800; }
.btn-header {
  background: var(--amber); color: #fff;
  padding: 11px 22px; border-radius: var(--r);
  font-size: 13.5px; font-weight: 800; white-space: nowrap;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-header:hover { background: var(--amber-dk); transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.hamburger span { width: 24px; height: 2.5px; background: var(--navy); border-radius: 2px; transition: all var(--dur) var(--ease); }
@media (max-width: 900px) {
  #main-nav { display: none; position: absolute; top: 74px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 12px 24px 20px; }
  #main-nav.open { display: block; }
  #main-nav ul { flex-direction: column; gap: 2px; }
  .btn-header { display: none; }
  .hamburger { display: flex; }
}

/* ── Butonlar ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--r);
  font-size: 14px; font-weight: 800; font-family: inherit;
  border: 0; cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.btn-amber { background: var(--amber); color: #fff; }
.btn-amber:hover { background: var(--amber-dk); transform: translateY(-2px); box-shadow: var(--sh-md); }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.35); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-2); transform: translateY(-2px); }

/* ── Bölüm başlıkları ── */
.label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 800; letter-spacing: .15em;
  text-transform: uppercase; color: var(--amber-dk); margin-bottom: 14px;
}
.label::before { content: ''; width: 28px; height: 3px; background: var(--amber); border-radius: 2px; }
.heading {
  font-size: clamp(1.55rem, 2.8vw, 2.2rem); font-weight: 800;
  line-height: 1.15; letter-spacing: -.025em; color: var(--text);
}
.subtext { font-size: .9375rem; line-height: 1.8; color: var(--muted); }

/* ── Hero ── */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, #081826 0%, var(--navy) 42%, var(--navy-2) 80%, var(--navy-3) 100%);
  color: #fff; padding: 96px 0 84px;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0 1px, transparent 1px 90px);
}
.hero::after {
  content: '';
  position: absolute; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(217,147,13,.16) 0%, transparent 65%);
  top: -140px; right: -100px; pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
.hero-text > * { animation: rise .7s var(--ease) backwards; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(217,147,13,.14); border: 1px solid rgba(217,147,13,.4);
  color: var(--amber); padding: 6px 16px; border-radius: 999px;
  font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.2rem); font-weight: 800;
  line-height: 1.1; letter-spacing: -.03em; margin-bottom: 18px;
  animation-delay: .08s;
}
.hero h1 .accent { color: var(--amber); }
.hero-desc {
  font-size: 15.5px; line-height: 1.75; color: rgba(255,255,255,.75);
  max-width: 480px; margin-bottom: 30px; animation-delay: .16s;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; animation-delay: .24s; }

/* Hero sağ: proje durum panosu */
.site-board {
  background: rgba(255,255,255,.06); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-xl);
  padding: 26px 26px 20px;
  animation: rise .7s var(--ease) .2s backwards;
}
.site-board-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px; padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.site-board-head h3 { font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.85); }
.site-board-head span { font-size: 11px; font-weight: 700; color: var(--amber); }
.board-row { padding: 11px 0; }
.board-row-top { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 7px; }
.board-row-top strong { font-weight: 700; }
.board-row-top span { color: rgba(255,255,255,.55); font-weight: 600; font-size: 12.5px; }
.board-bar { height: 6px; background: rgba(255,255,255,.12); border-radius: 3px; overflow: hidden; }
.board-bar i {
  display: block; height: 100%; border-radius: 3px;
  background: linear-gradient(90deg, var(--amber-dk), var(--amber));
  width: 0; transition: width 1.1s var(--ease);
}
.board-row.done .board-bar i { background: #3f9e63; }

/* ── Sayı bandı ── */
.stats-band { background: #fff; border-bottom: 1px solid var(--line); }
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 720px) { .stats-inner { grid-template-columns: repeat(2, 1fr); } }
.stat-item { padding: 30px 20px; text-align: center; border-right: 1px solid var(--line); }
.stat-item:last-child { border-right: 0; }
@media (max-width: 720px) { .stat-item:nth-child(2) { border-right: 0; } .stat-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); } }
.stat-item strong { display: block; font-size: 1.9rem; font-weight: 800; letter-spacing: -.03em; color: var(--navy); line-height: 1.15; }
.stat-item span { font-size: 12.5px; font-weight: 600; color: var(--muted); }

/* ── Bölümler ── */
.section { padding: 84px 0; }
.section.alt { background: #fff; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }

/* ── Proje kartları ── */
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 960px) { .proj-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .proj-grid { grid-template-columns: 1fr; } }
.proj-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.section.alt .proj-card { background: var(--bg); }
.proj-card:hover { transform: translateY(-5px); box-shadow: var(--sh-lg); }
.proj-visual {
  position: relative; aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-2) 60%, var(--navy-3) 100%);
  display: flex; align-items: flex-end; padding: 18px;
}
.proj-visual::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 26px);
}
.proj-visual .pv-name {
  position: relative; color: #fff; font-weight: 800; font-size: 1.05rem; letter-spacing: -.01em;
  text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.proj-status {
  position: absolute; top: 14px; left: 14px;
  font-size: 10.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
}
.proj-status.ongoing { background: rgba(217,147,13,.92); color: #fff; }
.proj-status.done { background: rgba(63,158,99,.92); color: #fff; }
.proj-status.sale { background: rgba(200,58,43,.92); color: #fff; }
.proj-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.proj-loc { display: flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; color: var(--muted); margin-bottom: 8px; }
.proj-body h3 { font-size: 1.05rem; font-weight: 800; letter-spacing: -.015em; margin-bottom: 8px; }
.proj-body > p { font-size: .875rem; line-height: 1.65; color: var(--muted); margin-bottom: 16px; flex: 1; }
.proj-specs {
  display: flex; gap: 0; border-top: 1px solid var(--line); padding-top: 14px;
}
.proj-spec { flex: 1; }
.proj-spec strong { display: block; font-size: 14px; font-weight: 800; color: var(--navy); }
.proj-spec span { font-size: 11px; font-weight: 600; color: var(--muted); }

/* ── Daire ilan kartları ── */
.flat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 960px) { .flat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .flat-grid { grid-template-columns: 1fr; } }
.flat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.flat-card:hover { transform: translateY(-5px); box-shadow: var(--sh-lg); }
.flat-visual {
  position: relative; aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #23405e 0%, var(--navy-2) 55%, var(--navy) 100%);
  display: flex; align-items: center; justify-content: center;
}
.flat-visual::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 22px 22px;
}
.flat-plan { position: relative; text-align: center; color: #fff; }
.flat-plan strong { display: block; font-size: 2rem; font-weight: 900; letter-spacing: -.02em; }
.flat-plan span { font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.flat-badge {
  position: absolute; top: 14px; right: 14px;
  background: rgba(217,147,13,.95); color: #fff;
  font-size: 10.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
}
.flat-badge.last { background: rgba(200,58,43,.95); }
.flat-body { padding: 20px 22px; }
.flat-body h3 { font-size: 1rem; font-weight: 800; letter-spacing: -.01em; }
.flat-proj { font-size: 12.5px; font-weight: 600; color: var(--muted); margin-bottom: 14px; }
.flat-specs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
.flat-spec {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--r);
  padding: 8px 4px; text-align: center;
}
.flat-spec strong { display: block; font-size: 12.5px; font-weight: 800; color: var(--navy); }
.flat-spec span { font-size: 10px; font-weight: 600; color: var(--muted); }
.flat-foot { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 14px; }
.flat-price { font-size: 1.15rem; font-weight: 900; letter-spacing: -.02em; color: var(--navy); }
.flat-price small { display: block; font-size: 10.5px; font-weight: 600; color: var(--muted); letter-spacing: .02em; }
.flat-cta { font-size: 13px; font-weight: 800; color: var(--amber-dk); }
.flat-card:hover .flat-cta { color: var(--amber); }

/* ── Hizmetler ── */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 960px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .svc-grid { grid-template-columns: 1fr; } }
.svc-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px 24px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.svc-card:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.svc-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(217,147,13,.12); color: var(--amber-dk);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.svc-icon svg { width: 21px; height: 21px; }
.svc-card h3 { font-size: .975rem; font-weight: 800; margin-bottom: 8px; }
.svc-card p { font-size: .85rem; line-height: 1.65; color: var(--muted); }

/* ── CTA ── */
.cta-section { padding: 0 0 84px; }
.cta-box {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  border-radius: var(--r-xl); padding: 52px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
  color: #fff; position: relative; overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0 1px, transparent 1px 70px);
}
.cta-box > * { position: relative; }
.cta-box h2 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 800; letter-spacing: -.02em; margin-bottom: 8px; }
.cta-box p { font-size: .9rem; color: rgba(255,255,255,.72); max-width: 480px; }
.cta-btns { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 640px) { .cta-box { padding: 34px 26px; } }

/* ── İletişim ── */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px 24px; display: flex; gap: 16px; align-items: flex-start;
}
.contact-card .cci {
  width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0;
  background: rgba(217,147,13,.12); color: var(--amber-dk);
  display: flex; align-items: center; justify-content: center;
}
.contact-card .cci svg { width: 19px; height: 19px; }
.contact-card h3 { font-size: .925rem; font-weight: 800; margin-bottom: 4px; }
.contact-card p, .contact-card a { display: block; font-size: .85rem; color: var(--muted); line-height: 1.6; }
.contact-card a:hover { color: var(--amber-dk); }

/* ── Footer ── */
footer { background: var(--navy); color: rgba(255,255,255,.7); }
.footer-top {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px; padding: 60px 0 44px;
}
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand .brand-name strong { color: #fff; }
.footer-brand > p { font-size: 13.5px; line-height: 1.7; margin-top: 16px; max-width: 280px; }
.footer-col h4 { color: #fff; font-size: 13.5px; font-weight: 800; letter-spacing: .04em; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col a { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; transition: color var(--dur) var(--ease); }
.footer-col a:hover { color: var(--amber); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 12.5px; color: rgba(255,255,255,.45);
}
.footer-bottom a { transition: color var(--dur) var(--ease); }
.footer-bottom a:hover { color: #fff; }
.footer-bottom-links { display: flex; gap: 20px; }