/* =========================================================
   KursuAkademi — Kurumsal Tanıtım Sitesi
   Premium koyu tema / altın vurgu / mobil öncelikli
   ========================================================= */

:root{
  --bg:#0b0d12;
  --bg-2:#0f121a;
  --surface:#161a24;
  --surface-2:#1c2130;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#eaecf2;
  --muted:#9aa2b1;
  --muted-2:#6b7280;
  --gold:#d4af37;
  --gold-2:#f0d98a;
  --gold-soft:rgba(212,175,55,.14);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 50px -20px rgba(0,0,0,.7);
  --maxw:1180px;
  --nav-h:74px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Cormorant Garamond",Georgia,serif;
  --sans:"Manrope",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ambient background glow */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(70% 55% at 80% -10%,rgba(212,175,55,.10),transparent 60%),
    radial-gradient(60% 50% at 0% 0%,rgba(70,110,190,.10),transparent 55%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
}

.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
section{position:relative}

/* ---------- Typography ---------- */
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;letter-spacing:.3px}
h1{font-size:clamp(2.3rem,6vw,4rem)}
h2{font-size:clamp(1.9rem,4.4vw,2.9rem)}
h3{font-size:clamp(1.3rem,2.6vw,1.7rem)}
p{color:var(--muted)}
.gold{color:var(--gold)}

.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--sans);font-size:.74rem;font-weight:700;
  letter-spacing:.28em;text-transform:uppercase;color:var(--gold);
  margin-bottom:1rem;
}
.eyebrow::before{content:"";width:34px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}

.section-head{max-width:720px;margin:0 auto 3.2rem;text-align:center}
.section-head .eyebrow{justify-content:center}
.section-head p{margin-top:1rem;font-size:1.05rem}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.95rem 1.7rem;border-radius:100px;font-weight:700;font-size:.95rem;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-gold{background:linear-gradient(120deg,var(--gold),var(--gold-2));color:#231d05;box-shadow:0 12px 30px -12px rgba(212,175,55,.6)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 18px 40px -12px rgba(212,175,55,.75)}
.btn-ghost{border-color:var(--line-2);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-3px)}

/* ---------- Header / Nav ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .4s var(--ease),height .4s var(--ease),border-color .4s;
  border-bottom:1px solid transparent;
}
.header.scrolled{
  height:64px;background:rgba(11,13,18,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;
  display:flex;align-items:center;justify-content:space-between;gap:1rem}

.brand{display:flex;align-items:center;gap:.7rem;font-family:var(--serif);
  font-size:1.5rem;font-weight:700;letter-spacing:.5px}
.brand .mark{
  width:40px;height:40px;flex:none;border-radius:11px;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  color:#231d05;display:grid;place-items:center;font-weight:800;font-size:1.1rem;
  box-shadow:0 8px 20px -8px rgba(212,175,55,.7)
}
.brand b{color:var(--gold);font-weight:700}
.brand span.sub{display:block;font-family:var(--sans);font-size:.58rem;
  letter-spacing:.34em;text-transform:uppercase;color:var(--muted);margin-top:-4px}

.nav-links{display:flex;align-items:center;gap:.4rem}
.nav-links a{
  position:relative;padding:.55rem .95rem;font-size:.92rem;font-weight:600;
  color:var(--muted);border-radius:9px;transition:color .25s
}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a.active::after{
  content:"";position:absolute;left:.95rem;right:.95rem;bottom:.28rem;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-2));border-radius:2px
}
.nav-cta{margin-left:.6rem}

/* hamburger */
.burger{
  --s:26px;display:none;width:46px;height:46px;border:1px solid var(--line-2);
  border-radius:12px;background:rgba(255,255,255,.03);cursor:pointer;
  position:relative;z-index:120;flex:none
}
.burger span{
  position:absolute;left:50%;top:50%;width:var(--s);height:2px;border-radius:2px;
  background:var(--text);transform:translate(-50%,-50%);transition:.35s var(--ease)
}
.burger span:nth-child(1){transform:translate(-50%,-8px)}
.burger span:nth-child(3){transform:translate(-50%,8px)}
body.menu-open .burger span:nth-child(1){transform:translate(-50%,-50%) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0;transform:translate(-50%,-50%) scaleX(.2)}
body.menu-open .burger span:nth-child(3){transform:translate(-50%,-50%) rotate(-45deg)}

/* mobile overlay menu */
.mobile-menu{
  position:fixed;inset:0;z-index:110;display:flex;flex-direction:column;
  justify-content:center;padding:6rem 2rem 3rem;
  background:linear-gradient(160deg,#0c0f16 0%,#12151f 100%);
  clip-path:circle(0% at calc(100% - 44px) 44px);
  transition:clip-path .6s var(--ease);pointer-events:none;
}
body.menu-open .mobile-menu{clip-path:circle(150% at calc(100% - 44px) 44px);pointer-events:auto}
.mobile-menu::before{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.5;
  background:radial-gradient(60% 50% at 90% 10%,rgba(212,175,55,.14),transparent 60%)
}
.mobile-menu a{
  font-family:var(--serif);font-size:2rem;font-weight:600;color:var(--text);
  padding:.55rem 0;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;
  opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease),transform .5s var(--ease)
}
.mobile-menu a .idx{font-family:var(--sans);font-size:.8rem;color:var(--gold);font-weight:700}
body.menu-open .mobile-menu a{opacity:1;transform:none}
body.menu-open .mobile-menu a:nth-child(1){transition-delay:.15s}
body.menu-open .mobile-menu a:nth-child(2){transition-delay:.22s}
body.menu-open .mobile-menu a:nth-child(3){transition-delay:.29s}
body.menu-open .mobile-menu a:nth-child(4){transition-delay:.36s}
body.menu-open .mobile-menu a:nth-child(5){transition-delay:.43s}
body.menu-open .mobile-menu a:nth-child(6){transition-delay:.50s}
.mobile-menu .m-cta{margin-top:2rem;justify-content:center}
.mobile-menu .m-contact{margin-top:auto;padding-top:2rem;border:none;font-family:var(--sans);
  font-size:.95rem;color:var(--muted);opacity:.9;transform:none;display:block}

/* ---------- Hero ---------- */
.hero{padding:calc(var(--nav-h) + 5rem) 0 5.5rem;position:relative;overflow:hidden}
.hero-inner{display:grid;gap:2.5rem;position:relative}
.hero h1{margin-bottom:1.3rem}
.hero h1 em{font-style:italic;color:var(--gold);position:relative}
.hero .lead{font-size:1.12rem;max-width:560px;color:var(--muted)}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}
.hero-stats{display:flex;flex-wrap:wrap;gap:2.4rem;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--line)}
.hero-stats .num{font-family:var(--serif);font-size:2.3rem;font-weight:700;color:var(--gold);line-height:1}
.hero-stats .lbl{font-size:.82rem;color:var(--muted);margin-top:.3rem}
.trust{margin-top:1.4rem;font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2)}

/* ---------- Feature / values cards ---------- */
.grid{display:grid;gap:1.3rem}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:linear-gradient(180deg,var(--surface),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:1.9rem;
  transition:transform .4s var(--ease),border-color .4s,box-shadow .4s;position:relative;overflow:hidden
}
.card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:var(--shadow)}
.card .ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:1.1rem;
  background:var(--gold-soft);color:var(--gold);border:1px solid rgba(212,175,55,.25)
}
.card .ico svg{width:24px;height:24px}
.card h3{margin-bottom:.5rem}
.card p{font-size:.95rem}

/* service detail list inside cards */
.svc-num{font-family:var(--serif);font-size:.9rem;font-weight:700;color:var(--gold);
  letter-spacing:.1em;margin-bottom:.4rem;display:block}
.card ul.svc{margin:1rem 0 0;display:grid;gap:.7rem}
.card ul.svc li{position:relative;padding-left:1.5rem;font-size:.9rem;color:var(--muted);line-height:1.6}
.card ul.svc li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--gold),var(--gold-2))}
.card ul.svc li b{color:var(--text);font-weight:700}

.section{padding:5.5rem 0}
.section.alt{background:
  linear-gradient(180deg,transparent,rgba(255,255,255,.015),transparent)}

/* ---------- Team grid ---------- */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.member{
  position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--surface);display:block;transition:transform .45s var(--ease),border-color .45s,box-shadow .45s
}
.member:hover{transform:translateY(-8px);border-color:rgba(212,175,55,.45);box-shadow:var(--shadow)}
.member .photo{position:relative;aspect-ratio:4/5;overflow:hidden;background:linear-gradient(135deg,#20242f,#12151d)}
.member .photo img{width:100%;height:100%;object-fit:cover;object-position:top center;
  transition:transform .7s var(--ease);filter:saturate(.95)}
.member:hover .photo img{transform:scale(1.06)}
.member .photo::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 38%,rgba(11,13,18,.35) 68%,rgba(11,13,18,.96))}
.member .tag{position:absolute;top:14px;left:14px;z-index:2;
  font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  padding:.4rem .7rem;border-radius:100px;color:var(--gold-2);
  background:rgba(11,13,18,.6);border:1px solid rgba(212,175,55,.35);backdrop-filter:blur(6px)}
.member .info{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:1.3rem 1.4rem 1.5rem}
.member .info h3{font-size:1.35rem;margin-bottom:.2rem}
.member .info .role{font-size:.85rem;color:var(--gold);font-weight:600;font-family:var(--sans);letter-spacing:.02em}
.member .info .more{margin-top:.7rem;font-size:.8rem;color:var(--muted);
  display:inline-flex;align-items:center;gap:.4rem;opacity:0;transform:translateY(6px);
  transition:.4s var(--ease)}
.member:hover .info .more{opacity:1;transform:none}
.member .info .more svg{width:15px;height:15px;transition:transform .3s}
.member:hover .info .more svg{transform:translateX(4px)}

/* ---------- Profile page ---------- */
.profile{padding:calc(var(--nav-h) + 3.5rem) 0 4rem}
.profile-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:3rem;align-items:start}
.profile-media{position:sticky;top:100px}
.profile-photo{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-2);
  box-shadow:var(--shadow);background:#161a24;aspect-ratio:4/5}
.profile-photo img{width:100%;height:100%;object-fit:cover;object-position:top center}
.profile-card{margin-top:1.2rem;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:1.3rem 1.4rem}
.profile-card h4{font-family:var(--sans);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--gold);margin-bottom:.9rem}
.profile-card .row{display:flex;gap:.7rem;align-items:flex-start;padding:.5rem 0;font-size:.92rem;color:var(--muted)}
.profile-card .row svg{width:18px;height:18px;color:var(--gold);flex:none;margin-top:3px}

.profile-body .back{display:inline-flex;align-items:center;gap:.5rem;font-size:.85rem;
  color:var(--muted);margin-bottom:1.3rem;transition:color .3s}
.profile-body .back:hover{color:var(--gold)}
.profile-body .back svg{width:16px;height:16px}
.profile-body h1{font-size:clamp(2rem,4.5vw,3rem);margin-bottom:.6rem}
.profile-body .role{font-size:1.05rem;color:var(--gold);font-weight:600;margin-bottom:.3rem}
.profile-body .org{font-size:.95rem;color:var(--muted);margin-bottom:1.6rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}
.chip{font-size:.8rem;padding:.45rem .85rem;border-radius:100px;color:var(--text);
  background:var(--surface-2);border:1px solid var(--line)}
.bio h4{font-family:var(--sans);font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--gold);margin:2rem 0 .8rem}
.bio p{color:var(--muted);margin-bottom:1.1rem;line-height:1.85}
.bio ul{margin:0 0 1.1rem;display:grid;gap:.7rem}
.bio ul li{position:relative;padding-left:1.6rem;color:var(--muted)}
.bio ul li::before{content:"";position:absolute;left:0;top:.65em;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--gold),var(--gold-2))}

/* ---------- CTA band ---------- */
.cta-band{position:relative;border-radius:calc(var(--radius) + 6px);overflow:hidden;
  padding:3.5rem;border:1px solid rgba(212,175,55,.28);
  background:linear-gradient(120deg,rgba(212,175,55,.14),rgba(20,24,34,.6));text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(60% 120% at 50% -20%,rgba(212,175,55,.2),transparent 60%)}
.cta-band h2{margin-bottom:1rem}
.cta-band p{max-width:560px;margin:0 auto 1.8rem}
.cta-band .btn{margin:.3rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.7rem;display:flex;gap:1rem;align-items:flex-start}
.contact-card .ico{width:48px;height:48px;flex:none;border-radius:13px;display:grid;place-items:center;
  background:var(--gold-soft);color:var(--gold);border:1px solid rgba(212,175,55,.25)}
.contact-card .ico svg{width:22px;height:22px}
.contact-card h3{font-size:1.15rem;margin-bottom:.25rem}
.contact-card p,.contact-card a{font-size:.95rem;color:var(--muted)}
.contact-card a:hover{color:var(--gold)}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:2rem}
.form .field{margin-bottom:1.1rem}
.form label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:.45rem;font-weight:600}
.form input,.form textarea,.form select{
  width:100%;padding:.85rem 1rem;border-radius:12px;border:1px solid var(--line-2);
  background:var(--bg-2);color:var(--text);font-family:inherit;font-size:.95rem;transition:border-color .3s}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--gold)}
.form textarea{min-height:120px;resize:vertical}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);padding:3.5rem 0 2rem;margin-top:2rem;background:var(--bg-2)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2rem;margin-bottom:2.5rem}
.footer .brand{margin-bottom:1rem}
.footer p{font-size:.92rem;max-width:340px}
.footer h5{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text);margin-bottom:1rem}
.footer-col a{display:block;font-size:.92rem;color:var(--muted);padding:.32rem 0;transition:color .25s}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{border-top:1px solid var(--line);padding-top:1.5rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;font-size:.85rem;color:var(--muted-2)}
.footer-bottom a:hover{color:var(--gold)}

/* ---------- Reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal].d1{transition-delay:.08s}
[data-reveal].d2{transition-delay:.16s}
[data-reveal].d3{transition-delay:.24s}
[data-reveal].d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-inner{gap:1.5rem}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .profile-grid{grid-template-columns:1fr;gap:2rem}
  .profile-media{position:static;max-width:420px}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .cols-3{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav-links,.nav-cta{display:none}
  .burger{display:block}
  .section{padding:4rem 0}
  .cta-band{padding:2.5rem 1.6rem}
  .contact-grid{grid-template-columns:1fr}
  .cols-2{grid-template-columns:1fr}
}
@media (max-width:560px){
  .team-grid{grid-template-columns:1fr}
  .cols-3,.cols-4{grid-template-columns:1fr}
  .hero-stats{gap:1.6rem}
  .footer-top{grid-template-columns:1fr}
  .brand{font-size:1.3rem}
  .mobile-menu a{font-size:1.7rem}
}