:root {
  --navy: #17191e;        /* antrasit/siyah — başlık, hero, footer */
  --navy-light: #2c3037;
  --gold: #d81f26;        /* marka kırmızısı — vurgu */
  --gold-dark: #a8141a;
  --ink: #16181d;
  --muted: #5a6470;
  --line: #e7e9ee;
  --bg: #f6f7f9;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 20, 25, 0.10);
  --max: 1140px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo { height: 40px; width: auto; }
.brand-stack { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; }
.brand-tagline {
  font-size: 9.5px;
  letter-spacing: 0.2px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}
.brand-sep {
  width: 1px;
  height: 30px;
  background: var(--line);
}
.brand-branch {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gold);
  line-height: 1.1;
}
.brand-branch small {
  display: block;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
  font-weight: 600;
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: var(--gold);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow);
}
.brand-text strong {
  display: block;
  color: var(--navy);
  font-size: 17px;
  line-height: 1.1;
}
.brand-text span {
  font-size: 11.5px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gold-dark);
  font-weight: 600;
}
.menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}
.menu a {
  padding: 9px 14px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 15px;
  color: var(--navy);
  transition: background .15s, color .15s;
}
.menu a:hover { background: var(--bg); }
.menu a.active { color: var(--gold-dark); }
.menu .cta {
  background: var(--gold);
  color: #ffffff;
  margin-left: 8px;
}
.menu .cta:hover { background: var(--gold-dark); color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  font-size: 26px;
  color: var(--navy);
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(216,31,38,.18), transparent),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff;
  padding: 80px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 46px;
  align-items: center;
}
.hero-media img,
.hero-media video {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 22px 55px rgba(0,0,0,.4);
  border: 3px solid rgba(255,255,255,.1);
  display: block;
  background: #000;
}
.hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.5px;
  max-width: 760px;
}
.hero h1 .accent { color: var(--gold); }
.hero p {
  margin-top: 18px;
  font-size: 18px;
  max-width: 600px;
  color: #cfd2d8;
}
.hero-actions {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15.5px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .12s, background .15s, color .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--gold); color: #ffffff; }
.btn-primary:hover { background: var(--gold-dark); color: #fff; }
.btn-ghost { border-color: rgba(255,255,255,.4); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); }

.hero-stats {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 620px;
}
.hero-stats .stat strong {
  display: block;
  font-size: 30px;
  color: var(--gold);
}
.hero-stats .stat span { font-size: 14px; color: #c7cad1; }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 46px;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--gold-dark);
}
.section-head h2 {
  font-size: clamp(26px, 4vw, 36px);
  color: var(--navy);
  margin-top: 8px;
  letter-spacing: -0.5px;
}
.section-head p { color: var(--muted); margin-top: 12px; font-size: 16.5px; }

.alt { background: var(--bg); }

/* Cards grid */
.grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, 1fr);
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .ic {
  width: 50px; height: 50px;
  border-radius: 12px;
  background: rgba(216,31,38,.14);
  color: var(--gold-dark);
  display: grid; place-items: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.card h3 { color: var(--navy); font-size: 19px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }

/* Two-column feature */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.split h2 { color: var(--navy); font-size: clamp(24px,3.5vw,32px); letter-spacing: -0.5px; }
.split p { color: var(--muted); margin-top: 14px; font-size: 16.5px; }
.feature-list { list-style: none; margin-top: 22px; }
.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
  font-size: 16px;
}
.feature-list .tick {
  flex: 0 0 24px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--gold);
  color: #ffffff;
  display: grid; place-items: center;
  font-size: 14px; font-weight: 800;
}
.media-box {
  border-radius: 18px;
  min-height: 360px;
  background:
    radial-gradient(600px 200px at 30% 20%, rgba(216,31,38,.25), transparent),
    linear-gradient(135deg, var(--navy), var(--navy-light));
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  color: #fff;
  padding: 30px;
  text-align: center;
}
.media-box .big { font-size: 56px; color: var(--gold); font-weight: 800; }
.media-box small { letter-spacing: 1px; color: #cfd2d8; }

/* CTA banner */
.cta-band {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: #fff;
  border-radius: 20px;
  padding: 50px;
  text-align: center;
  box-shadow: var(--shadow);
}
.cta-band h2 { font-size: clamp(24px,4vw,32px); }
.cta-band p { color: #cfd2d8; margin: 12px auto 26px; max-width: 520px; }

/* ---------- Page header (inner pages) ---------- */
.page-head {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: #fff;
  padding: 64px 0;
  text-align: center;
}
.page-head h1 { font-size: clamp(28px,5vw,42px); letter-spacing: -0.5px; }
.page-head p { color: #cfd2d8; margin-top: 10px; }

/* Video embed */
.video-wrap { display: flex; justify-content: center; }
.promo-video {
  width: 100%;
  max-width: 760px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  background: #000;
  display: block;
}

/* Founder / portrait */
.portrait-wrap { text-align: center; }
.portrait {
  width: 300px;
  height: 300px;
  max-width: 80vw;
  border-radius: 50%;
  object-fit: cover;
  border: 7px solid #fff;
  box-shadow: 0 14px 40px rgba(216,31,38,.22);
  background: var(--bg);
  display: inline-block;
}
.portrait-cap {
  margin-top: 18px;
  font-weight: 800;
  color: var(--navy);
  font-size: 20px;
}
.portrait-cap small {
  display: block;
  font-weight: 600;
  color: var(--gold-dark);
  font-size: 13.5px;
  letter-spacing: 0.5px;
  margin-top: 2px;
}
.founder-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--gold-dark);
  font-weight: 700;
  border-bottom: 2px solid rgba(216,31,38,.3);
  padding-bottom: 2px;
}
.founder-link:hover { color: var(--gold); }

/* About */
.values { margin-top: 30px; }
.prose p { color: var(--muted); font-size: 16.5px; margin-bottom: 16px; }
.prose h3 { color: var(--navy); margin: 26px 0 10px; font-size: 21px; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
}
.info-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}
.info-card .ic {
  flex: 0 0 46px;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(15,42,82,.07);
  color: var(--navy);
  display: grid; place-items: center;
  font-size: 22px;
}
.info-card h4 { color: var(--navy); font-size: 16px; }
.info-card p, .info-card a { color: var(--muted); font-size: 15.5px; }
.info-card a:hover { color: var(--gold-dark); }

.form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}
.form .field { margin-bottom: 18px; }
.form label { display: block; font-weight: 600; color: var(--navy); margin-bottom: 6px; font-size: 14.5px; }
.form input, .form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  font-size: 15px;
  background: var(--bg);
  transition: border .15s, background .15s;
}
.form input:focus, .form textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: #fff;
}
.form textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 12px; }

.map-embed {
  margin-top: 18px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.map-embed iframe { width: 100%; height: 280px; border: 0; display: block; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: #c7cad1;
  padding: 56px 0 26px;
  margin-top: 10px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 36px;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-logo-chip {
  background: #fff;
  padding: 9px 14px;
  border-radius: 10px;
  display: inline-flex;
}
.footer-logo-chip img { height: 34px; width: auto; }
.footer-branch {
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.site-footer .brand-text strong { color: #fff; }
.site-footer p { font-size: 14.5px; margin-top: 14px; max-width: 320px; }
.footer-col h5 {
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 13px;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 14.5px; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 38px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13.5px;
  color: #9aa0ab;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .menu {
    position: absolute;
    top: 74px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 22px 20px;
    border-bottom: 1px solid var(--line);
    gap: 4px;
    display: none;
    box-shadow: var(--shadow);
  }
  .menu.open { display: flex; }
  .menu .cta { margin-left: 0; text-align: center; }
  .grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .hero-stats { max-width: 100%; }
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-band { padding: 36px 24px; }
}

@media (max-width: 560px) {
  .brand-sep, .brand-branch { display: none; }
  .brand-tagline { font-size: 9px; white-space: normal; }
}