/* ===== IAS DEFENCE — kurumsal site stili ===== */
:root {
  --orange: #F14624;
  --orange-dark: #cf3313;
  --ink: #17181c;
  --ink-2: #1e2026;
  --panel: #23262e;
  --panel-2: #2b2f38;
  --line: #363b45;
  --text: #e7e9ee;
  --muted: #9aa1af;
  --white: #ffffff;
  --radius: 12px;
  --wrap: 1200px;
  --shadow: 0 24px 60px -28px rgba(0,0,0,.7);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--ink);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }
.eyebrow {
  color: var(--orange);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
h2.title {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.1;
  margin-bottom: 18px;
}
.lead { color: var(--muted); font-size: 1.05rem; max-width: 720px; }
.center { text-align: center; margin-inline: auto; }

/* ===== Header ===== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(23,24,28,.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s;
}
header.scrolled { background: rgba(20,21,25,.95); border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.nav .logo img { height: 42px; }
.nav ul { display: flex; gap: 32px; list-style: none; align-items: center; }
.nav ul a { color: var(--text); font-weight: 600; font-size: .95rem; opacity: .85; transition: opacity .2s, color .2s; }
.nav ul a:hover { opacity: 1; color: var(--orange); }
.btn {
  display: inline-block; background: var(--orange); color: #fff;
  padding: 12px 26px; border-radius: 8px; font-weight: 700; font-size: .95rem;
  transition: background .2s, transform .2s; border: none; cursor: pointer;
}
.btn:hover { background: var(--orange-dark); transform: translateY(-2px); }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn.ghost:hover { border-color: var(--orange); color: var(--orange); background: transparent; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; }
.nav-toggle svg { width: 28px; height: 28px; }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding-top: 76px; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(20,21,25,.96) 0%, rgba(20,21,25,.82) 42%, rgba(20,21,25,.35) 100%),
              linear-gradient(0deg, var(--ink) 2%, transparent 40%);
}
.hero-inner { position: relative; z-index: 2; max-width: 680px; }
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.3rem); font-weight: 900; line-height: 1.04;
  letter-spacing: -.03em; margin-bottom: 22px;
}
.hero h1 .hl { color: var(--orange); }
.hero p { font-size: 1.15rem; color: #cfd3dc; margin-bottom: 34px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 26px;
  padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px;
  font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(241,70,36,.2); }

/* ===== Trust strip ===== */
.strip { background: var(--ink-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 34px 0; }
.strip-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
.strip-grid .n { font-size: 1.9rem; font-weight: 800; color: var(--white); }
.strip-grid .n span { color: var(--orange); }
.strip-grid .l { font-size: .85rem; color: var(--muted); letter-spacing: .04em; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.about-grid ul { list-style: none; margin-top: 24px; display: grid; gap: 14px; }
.about-grid ul li { display: flex; gap: 12px; align-items: flex-start; color: var(--text); }
.about-grid ul li svg { flex: 0 0 auto; width: 22px; height: 22px; color: var(--orange); margin-top: 3px; }
.about-visual {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  box-shadow: var(--shadow); aspect-ratio: 4/5; background: #000;
}
.about-visual img { width: 100%; height: 100%; object-fit: cover; }

/* ===== Products ===== */
#urunler { background: var(--ink-2); }
.prod-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; margin-top: 48px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: transform .25s, border-color .25s;
}
.card:hover { transform: translateY(-6px); border-color: var(--orange); }
.card-img { aspect-ratio: 16/11; background: linear-gradient(135deg,#1a1c22,#2a2e38); overflow: hidden; position: relative; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.card:hover .card-img img { transform: scale(1.05); }
.card-tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: rgba(241,70,36,.92); color: #fff; font-size: .72rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; padding: 5px 12px; border-radius: 5px;
}
.card-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 4px; }
.card-body .sub { color: var(--orange); font-size: .85rem; font-weight: 600; letter-spacing: .04em; margin-bottom: 14px; }
.card-body p { color: var(--muted); font-size: .95rem; margin-bottom: 20px; flex: 1; }
.card-link { color: var(--text); font-weight: 700; font-size: .92rem; display: inline-flex; align-items: center; gap: 7px; }
.card-link:hover { color: var(--orange); }
.card-link svg { width: 16px; height: 16px; transition: transform .2s; }
.card-link:hover svg { transform: translateX(4px); }

/* ===== Product detail blocks ===== */
.detail { border-top: 1px solid var(--line); }
.detail:first-of-type { border-top: 0; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.detail.rev .detail-grid { direction: rtl; }
.detail.rev .detail-grid > * { direction: ltr; }
.detail-visual {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 40%, #2c313c, #16171b); box-shadow: var(--shadow);
  aspect-ratio: 5/4; display: flex; align-items: center; justify-content: center;
}
.detail-visual img { width: 100%; height: 100%; object-fit: cover; }
.detail-visual.contain img { object-fit: contain; padding: 18px; }
.detail h3 { font-size: clamp(1.6rem,3vw,2.2rem); font-weight: 800; letter-spacing: -.02em; margin: 6px 0 8px; }
.detail .model { color: var(--muted); font-weight: 600; letter-spacing: .04em; margin-bottom: 18px; }
.detail p.desc { color: var(--muted); margin-bottom: 24px; }
.feat-list { list-style: none; display: grid; gap: 11px; margin-bottom: 26px; }
.feat-list li { display: flex; gap: 11px; align-items: flex-start; font-size: .96rem; }
.feat-list li svg { flex: 0 0 auto; width: 20px; height: 20px; color: var(--orange); margin-top: 3px; }
.spectable { width: 100%; border-collapse: collapse; font-size: .9rem; }
.spectable th { text-align: left; color: var(--muted); font-weight: 600; padding: 9px 14px 9px 0; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: top; }
.spectable td { text-align: right; padding: 9px 0; border-bottom: 1px solid var(--line); color: var(--text); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chip { background: var(--panel-2); border: 1px solid var(--line); color: var(--text); font-size: .8rem; font-weight: 600; padding: 6px 13px; border-radius: 999px; }
.chip.opt { color: var(--muted); }

/* ===== Applications ===== */
.app-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; margin-top: 48px; }
.app {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 24px; text-align: center; transition: border-color .25s, transform .25s;
}
.app:hover { border-color: var(--orange); transform: translateY(-4px); }
.app .ic { width: 52px; height: 52px; margin: 0 auto 16px; color: var(--orange); }
.app .ic svg { width: 100%; height: 100%; }
.app h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.app p { color: var(--muted); font-size: .9rem; }

/* ===== CTA / Contact ===== */
#iletisim { background: var(--ink-2); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info h3 { font-size: 1.3rem; margin-bottom: 20px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.contact-item .ic { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; color: var(--orange); }
.contact-item .ic svg { width: 20px; height: 20px; }
.contact-item .t { font-weight: 700; margin-bottom: 2px; }
.contact-item .t + div { color: var(--muted); font-size: .95rem; }
form.contact-form { display: grid; gap: 16px; }
form.contact-form input, form.contact-form textarea {
  width: 100%; background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 13px 16px; color: var(--text); font-family: inherit; font-size: .95rem; transition: border-color .2s;
}
form.contact-form input:focus, form.contact-form textarea:focus { outline: none; border-color: var(--orange); }
form.contact-form textarea { resize: vertical; min-height: 130px; }
form.contact-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: .82rem; color: var(--muted); }

/* ===== Footer ===== */
footer { background: var(--ink); border-top: 1px solid var(--line); padding: 56px 0 30px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.foot-grid img { height: 46px; margin-bottom: 18px; }
.foot-grid p { color: var(--muted); font-size: .92rem; max-width: 330px; }
.foot-col h5 { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.foot-col ul { list-style: none; display: grid; gap: 10px; }
.foot-col ul a { color: var(--text); opacity: .82; font-size: .94rem; }
.foot-col ul a:hover { color: var(--orange); opacity: 1; }
.foot-bottom { border-top: 1px solid var(--line); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: .85rem; }

/* ===== Reveal animation (yalnizca JS aktifken gizlenir; aksi halde icerik gorunur) ===== */
html.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .about-grid, .detail-grid, .detail.rev .detail-grid, .contact-grid { grid-template-columns: 1fr; direction: ltr; }
  .about-visual { aspect-ratio: 16/10; max-height: 420px; }
  .prod-grid { grid-template-columns: 1fr 1fr; }
  .app-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 72px 0; }
}
@media (max-width: 640px) {
  .nav ul { display: none; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; background: var(--ink-2); border-bottom: 1px solid var(--line); padding: 18px 24px; gap: 18px; }
  .nav ul.open { display: flex; }
  .nav-toggle { display: block; }
  .strip-grid { grid-template-columns: 1fr 1fr; gap: 28px 16px; }
  .prod-grid, .app-grid, .foot-grid { grid-template-columns: 1fr; }
  form.contact-form .row { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; }
}