/* =========================================================
   Prof. Dr. Erdinç Civelek — "Regenerative Noir · Aurora"
   Premium dark editorial · glassmorphism · teal aurora
   Playfair Display + Inter
   ========================================================= */

:root{
  /* ink base (deep petrol-black, warm green undertone) */
  --bg:#07130f;
  --bg-1:#0a1813;
  --bg-2:#0d1e18;
  --panel:#10251e;               /* solid raised surface */
  --glass:rgba(255,255,255,.038); /* glass fill */
  --glass-2:rgba(255,255,255,.06);
  --line:rgba(210,240,232,.10);
  --line-2:rgba(210,240,232,.18);

  --teal:#3ecfb9;                /* primary accent (logo turquoise, brightened) */
  --teal-2:#63e0cf;
  --teal-3:#8bece0;
  --petrol:#1f9c8c;
  --teal-glow:rgba(62,207,185,.16);
  --teal-soft:rgba(62,207,185,.10);
  --gold:#d8b878;               /* rare warm whisper */

  --ink:#eef5f2;                /* primary text */
  --ink-2:#c7d6d0;
  --muted:#8fa39c;
  --muted-2:#63756e;

  --serif:'Space Grotesk', system-ui, -apple-system, sans-serif;
  --mono:'Space Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --sans:'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --wrap:1240px;
  --gut:clamp(20px,5vw,72px);
  --r:16px;
  --r-lg:22px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:var(--sans);font-weight:400;font-size:17px;line-height:1.7;letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
  background-image:
    radial-gradient(120vw 70vh at 78% -8%, rgba(62,207,185,.12), transparent 60%),
    radial-gradient(90vw 60vh at 8% 12%, rgba(31,156,140,.10), transparent 55%),
    radial-gradient(80vw 80vh at 50% 120%, rgba(62,207,185,.07), transparent 60%);
  background-attachment:fixed;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--teal);color:#04120e}
h1,h2,h3,h4{margin:0;font-weight:500;line-height:1.04}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:var(--teal);color:#04120e;padding:10px 16px;border-radius:8px;z-index:200;font-weight:600}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:4px}

/* ---------- type helpers ---------- */
.display{font-family:var(--serif);font-weight:500;letter-spacing:-.015em}
.eyebrow{
  font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.26em;
  text-transform:uppercase;color:var(--teal);display:inline-flex;align-items:center;gap:14px;
}
.eyebrow::before{content:"";width:30px;height:1px;background:linear-gradient(90deg,var(--teal),transparent);display:inline-block}
.lead{font-size:clamp(19px,2.1vw,22px);line-height:1.6;color:var(--ink-2)}
.muted{color:var(--muted)}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gut)}
section{position:relative}
.sec{padding-block:clamp(76px,10vw,148px)}
.sec--tight{padding-block:clamp(56px,7vw,100px)}

/* light-toned section — overrides colour tokens so children adapt automatically */
.sec--light{
  background:#eef2ef !important;position:relative;
  --bg:#eef2ef;--bg-1:#e6ece8;--bg-2:#dfe7e2;
  --ink:#10221c;--ink-2:#41544d;--muted:#5f736c;--muted-2:#8a9c95;
  --glass:rgba(12,32,26,.045);--glass-2:rgba(12,32,26,.08);
  --line:rgba(12,40,33,.13);--line-2:rgba(12,40,33,.22);
  --teal:#0f8171;--teal-2:#0c6b5d;--teal-3:#0a5b50;--teal-bright:#0f8171;
  --teal-soft:rgba(15,129,113,.10);--teal-glow:rgba(15,129,113,.14);
  --panel:#ffffff;
  color:var(--ink);
}
.sec--light + .sec--light{border-top:1px solid rgba(12,40,33,.08)}

/* ---------- buttons ---------- */
.btn{
  --bg-b:transparent;--fg:var(--ink);--bd:var(--line-2);
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);font-weight:600;font-size:14px;letter-spacing:.01em;
  padding:15px 27px;border-radius:100px;border:1px solid var(--bd);
  background:var(--bg-b);color:var(--fg);cursor:pointer;
  transition:.45s var(--ease);position:relative;white-space:nowrap;
}
.btn::after{content:"→";transition:transform .45s var(--ease)}
.btn:hover::after{transform:translateX(4px)}
.btn--solid{--bg-b:var(--teal);--fg:#04120e;--bd:var(--teal);box-shadow:0 12px 40px -14px var(--teal-glow)}
.btn--solid:hover{--bg-b:var(--teal-2);--bd:var(--teal-2);box-shadow:0 16px 46px -12px rgba(62,207,185,.5)}
.btn--teal{--bg-b:var(--teal);--fg:#04120e;--bd:var(--teal)}
.btn--teal:hover{--bg-b:var(--teal-2);--bd:var(--teal-2)}
.btn--ghost{--bd:var(--line-2);backdrop-filter:blur(8px)}
.btn--ghost:hover{--bd:var(--teal);--fg:var(--teal);background:var(--teal-soft)}
.btn--sm{padding:11px 20px;font-size:13px}
.btn--plain::after{content:none}

/* =========================================================
   HEADER
   ========================================================= */
.site-head{position:fixed;inset:0 0 auto;z-index:100;padding-top:14px;transition:.4s var(--ease)}
.site-head__inner{
  max-width:calc(var(--wrap) + 60px);margin-inline:clamp(12px,3vw,28px);
  padding:11px clamp(16px,3.4vw,30px);
  display:flex;align-items:center;justify-content:space-between;gap:34px;
  background:rgba(9,22,18,.55);backdrop-filter:blur(20px) saturate(1.4);
  border:1px solid var(--line);border-radius:100px;
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset;
  transition:.4s var(--ease);
}
.site-head.is-scrolled .site-head__inner{background:rgba(8,19,15,.82);border-color:var(--line-2);box-shadow:0 20px 50px -26px rgba(0,0,0,.8)}
.brand{display:flex;align-items:center;gap:13px}
.brand__mark{width:40px;height:40px;object-fit:contain;filter:brightness(0) invert(1) drop-shadow(0 2px 10px rgba(62,207,185,.35))}
.brand__wm{display:flex;flex-direction:column;line-height:1.12;gap:1px}
.brand__wm b{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:.01em;color:var(--ink);white-space:nowrap;line-height:1.05}
.brand__wm i{font-style:normal;font-size:8.5px;font-weight:600;letter-spacing:.085em;text-transform:uppercase;color:var(--muted-2);white-space:nowrap;line-height:1.35}
.nav{display:flex;gap:2px;align-items:center}
.nav a{font-size:14px;font-weight:500;color:var(--ink-2);padding:9px 12px;border-radius:100px;transition:.3s var(--ease);position:relative;white-space:nowrap}
.nav a:hover{color:var(--teal)}
.nav a.is-current{color:var(--teal)}
.nav a.is-current::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:1.5px;background:var(--teal);border-radius:2px}
.head-actions{display:flex;align-items:center;gap:14px}
.langs{display:flex;gap:2px;font-size:12px;font-weight:600;letter-spacing:.05em}
.langs a{padding:4px 6px;color:var(--muted-2);transition:.3s}
.langs a.is-active{color:var(--ink)}
.langs a:hover{color:var(--teal)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:1.6px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
body.nav-open .burger span:first-child{transform:translateY(3.3px) rotate(45deg)}
body.nav-open .burger span:last-child{transform:translateY(-3.3px) rotate(-45deg)}

.drawer{position:fixed;inset:0;z-index:99;background:rgba(7,19,15,.97);backdrop-filter:blur(24px);
  padding:120px var(--gut) 40px;transform:translateY(-100%);opacity:0;visibility:hidden;transition:.5s var(--ease)}
body.nav-open .drawer{transform:translateY(0);opacity:1;visibility:visible}
.drawer__nav{display:flex;flex-direction:column;gap:4px}
.drawer__nav a{font-family:var(--serif);font-size:32px;font-weight:500;color:var(--ink);padding:9px 0;border-bottom:1px solid var(--line)}
.drawer__nav a.is-current{color:var(--teal)}
.drawer__cta{margin-top:22px;font-family:var(--sans)!important;font-size:15px!important;color:#04120e!important;
  background:var(--teal);text-align:center;border-radius:100px;border:0!important;padding:16px!important;font-weight:600}
.drawer__langs{margin-top:18px;display:flex;gap:16px;font-weight:600}
.drawer__langs a{color:var(--muted-2)}
.drawer__langs a.is-active{color:var(--teal)}

/* =========================================================
   CINEMATIC HERO
   ========================================================= */
.chero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate;background:var(--bg)}
.chero__media{position:absolute;inset:0;z-index:0}
.chero__media img{width:100%;height:100%;object-fit:cover;object-position:74% 20%;filter:saturate(.92) contrast(1.02)}
.chero__scrim{position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(100deg, var(--bg) 8%, rgba(7,19,15,.94) 30%, rgba(7,19,15,.62) 48%, rgba(7,19,15,.12) 66%, rgba(7,19,15,0) 82%),
    linear-gradient(0deg, var(--bg) 2%, rgba(7,19,15,.5) 22%, transparent 55%),
    radial-gradient(60vw 60vh at 18% 60%, rgba(62,207,185,.10), transparent 60%);}
.chero__inner{position:relative;z-index:2;width:100%;padding-top:clamp(140px,20vh,210px);padding-bottom:clamp(48px,7vh,90px)}
.chero__copy{max-width:680px}
.chero__kicker{margin-bottom:26px}
.chero__name{font-family:var(--serif);font-weight:500;color:var(--ink);
  font-size:clamp(52px,8.6vw,120px);line-height:.92;letter-spacing:-.02em;margin:0;text-shadow:0 2px 40px rgba(0,0,0,.4)}
.chero__pfx{display:block;font-family:var(--sans);font-weight:600;
  font-size:clamp(12px,1.1vw,15px);letter-spacing:.32em;text-transform:uppercase;color:var(--teal);margin-bottom:20px}
.chero__name em{font-style:normal;font-weight:500;color:var(--teal-2)}
.chero__slogan{font-family:var(--serif);font-style:normal;font-weight:400;
  font-size:clamp(21px,2.6vw,32px);line-height:1.25;color:var(--ink-2);margin:26px 0 0;max-width:22ch}
.chero__cta{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.chero__stats{margin-top:44px;display:flex;gap:clamp(24px,3.2vw,48px);flex-wrap:wrap;
  padding-top:26px;border-top:1px solid var(--line-2);max-width:660px}
.chero__stat{display:flex;flex-direction:column;gap:4px}
.chero__stat b{font-family:var(--serif);font-weight:600;font-size:clamp(28px,3.1vw,42px);line-height:1;color:var(--teal)}
.chero__stat i{font-style:normal;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.chero__scroll{position:absolute;z-index:2;left:50%;bottom:26px;transform:translateX(-50%);
  width:24px;height:38px;border:1.5px solid var(--line-2);border-radius:14px;display:grid;place-items:start center;padding-top:7px}
.chero__scroll i{width:3px;height:8px;border-radius:2px;background:var(--teal);animation:cheroDrop 1.7s var(--ease) infinite}
@keyframes cheroDrop{0%{opacity:0;transform:translateY(-3px)}30%{opacity:1}70%{opacity:1}100%{opacity:0;transform:translateY(9px)}}

/* ---- legacy .hero (about page) ---- */
.hero{position:relative;padding-top:clamp(150px,20vh,220px);padding-bottom:clamp(60px,8vw,110px);overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,5vw,70px);align-items:center;position:relative;z-index:2}
.hero__kicker{margin-bottom:28px}
.hero__title{font-family:var(--serif);font-weight:500;font-size:clamp(40px,6vw,80px);line-height:1.0;letter-spacing:-.02em;color:var(--ink);margin-bottom:28px}
.hero__title em{font-style:normal;color:var(--teal-2)}
.hero__text{max-width:44ch;font-size:clamp(17px,1.5vw,19px);color:var(--ink-2);margin-bottom:36px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero__role{margin-top:34px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--muted);padding-top:22px;border-top:1px solid var(--line);max-width:44ch}
.hero__portrait{position:relative}
.portrait-frame{position:relative;border-radius:200px 200px 22px 22px;overflow:hidden;aspect-ratio:4/5;background:var(--bg-2);border:1px solid var(--line);box-shadow:0 40px 90px -50px rgba(0,0,0,.9);isolation:isolate}
.portrait-frame img{width:100%;height:100%;object-fit:cover;object-position:top center}
.portrait-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(7,19,15,.5))}

/* =========================================================
   AFFILIATIONS marquee
   ========================================================= */
.affil{border-block:1px solid var(--line);padding-block:26px;background:rgba(255,255,255,.014);backdrop-filter:blur(6px)}
.affil__row{display:flex;align-items:center;gap:14px;justify-content:center;flex-wrap:wrap}
.affil__label{font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2);margin-right:8px}
.affil__item{font-family:var(--serif);font-style:normal;font-size:19px;color:var(--ink-2);opacity:.82;white-space:nowrap}
.affil__dot{width:4px;height:4px;border-radius:50%;background:var(--teal);opacity:.7}

/* =========================================================
   STATS panel
   ========================================================= */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);backdrop-filter:blur(10px)}
.stat{padding:clamp(26px,3vw,44px);border-right:1px solid var(--line);position:relative;transition:.4s var(--ease)}
.stat:hover{background:var(--teal-soft)}
.stat:last-child{border-right:0}
.stat__n{font-family:var(--serif);font-size:clamp(42px,5vw,64px);line-height:1;color:var(--ink);font-weight:600}
.stat__n em{font-style:normal;color:var(--teal)}
.stat__k{margin-top:12px;font-size:12.5px;font-weight:600;letter-spacing:.04em;color:var(--muted);text-transform:uppercase}

/* =========================================================
   SECTION HEADS
   ========================================================= */
.sechead{max-width:780px;margin-bottom:clamp(42px,6vw,76px)}
.sechead .eyebrow{margin-bottom:24px}
.sechead__title{font-family:var(--serif);font-weight:500;font-size:clamp(34px,4.8vw,60px);line-height:1.03;letter-spacing:-.02em;color:var(--ink);text-wrap:balance}
.sechead__title em{font-style:normal;color:var(--teal-2)}
.sechead__intro{margin-top:24px;font-size:clamp(17px,1.6vw,19px);color:var(--muted);max-width:62ch}
.sechead--center{margin-inline:auto;text-align:center}
.sechead--center .eyebrow{justify-content:center}

/* =========================================================
   PROFILE
   ========================================================= */
.profile{background:linear-gradient(180deg,transparent,rgba(255,255,255,.015),transparent);border-block:1px solid var(--line)}
.profile__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(36px,6vw,90px);align-items:center}
.profile__media{position:relative}
.profile__img{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/5;border:1px solid var(--line);background:var(--bg-2);box-shadow:0 40px 100px -60px rgba(0,0,0,.9)}
.profile__img img{width:100%;height:100%;object-fit:cover;object-position:center top;filter:saturate(.95)}
.profile__tag{position:absolute;right:-16px;bottom:-16px;background:rgba(16,37,30,.86);backdrop-filter:blur(16px);border:1px solid var(--line-2);color:var(--ink);border-radius:var(--r);padding:20px 24px;max-width:250px;box-shadow:0 30px 60px -36px rgba(0,0,0,.85)}
.profile__tag b{font-family:var(--serif);font-size:20px;color:var(--teal-2);display:block;margin-bottom:6px;font-weight:600}
.profile__tag span{font-size:13px;color:var(--ink-2)}
.profile__title{font-family:var(--serif);font-weight:500;font-size:clamp(30px,3.8vw,50px);line-height:1.06;letter-spacing:-.015em;margin:24px 0 24px}
.profile__title em{font-style:normal;color:var(--teal-2)}
.profile__body p{color:var(--ink-2);margin:0 0 18px}
.profile__body p.lead{color:var(--ink);font-family:var(--serif);font-size:clamp(21px,2.2vw,27px);line-height:1.4;font-weight:400}
.profile__foot{margin-top:32px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}

/* =========================================================
   EXPERTISE / cards (glass)
   ========================================================= */
.exp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.exp-card{position:relative;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 30px 30px;transition:.5s var(--ease-out);overflow:hidden;display:flex;flex-direction:column;min-height:288px;
  backdrop-filter:blur(10px)}
.exp-card::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 100% 0,var(--teal-soft),transparent 62%);opacity:0;transition:.5s var(--ease)}
.exp-card::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(135deg,var(--teal),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.5s var(--ease)}
.exp-card:hover{transform:translateY(-6px);border-color:transparent;background:var(--glass-2);box-shadow:0 40px 70px -44px rgba(0,0,0,.85),0 0 50px -30px var(--teal-glow)}
.exp-card:hover::before{opacity:1}
.exp-card:hover::after{opacity:1}
.exp-card__ic{display:block;width:52px;height:52px;color:var(--teal);position:relative;z-index:1}
.exp-card__ic svg{width:100%;height:100%}
.exp-card__cat{position:relative;z-index:1;margin-top:26px;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}
.exp-card__title{position:relative;z-index:1;font-family:var(--serif);font-size:26px;font-weight:600;margin:8px 0 12px;color:var(--ink)}
.exp-card__meta{position:relative;z-index:1;font-size:15px;color:var(--muted);flex:1;line-height:1.6}
.exp-card__link{position:relative;z-index:1;margin-top:22px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--teal);display:inline-flex;gap:8px;align-items:center;text-transform:uppercase}
.exp-card__link span{transition:transform .4s var(--ease)}
.exp-card:hover .exp-card__link span{transform:translateX(5px)}

/* =========================================================
   REGENERATIVE band (raised glass with aurora)
   ========================================================= */
.regen{position:relative;overflow:hidden;border-radius:var(--r-lg);margin-inline:clamp(12px,3vw,28px);
  padding:clamp(50px,7vw,100px) 0;background:linear-gradient(180deg,var(--bg-1),var(--bg-2));border:1px solid var(--line)}
.regen .wrap{position:relative;z-index:2}
.regen__grid{display:grid;grid-template-columns:1fr .95fr;gap:clamp(36px,6vw,80px);align-items:center}
.regen__title{font-family:var(--serif);font-weight:500;font-size:clamp(30px,4.4vw,54px);line-height:1.04;letter-spacing:-.015em;color:var(--ink);margin:24px 0 26px}
.regen__title em{font-style:normal;color:var(--teal-2)}
.regen__body{color:var(--ink-2);font-size:clamp(16px,1.6vw,18px);max-width:46ch;line-height:1.65}
.regen__cards{display:flex;flex-direction:column;gap:14px}
.regen-item{border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;background:var(--glass);backdrop-filter:blur(8px);transition:.4s var(--ease)}
.regen-item:hover{border-color:var(--teal);background:var(--teal-soft);transform:translateX(6px)}
.regen-item b{font-family:var(--serif);font-size:22px;color:var(--teal-2);display:block;margin-bottom:6px;font-weight:600}
.regen-item span{font-size:14.5px;color:var(--ink-2)}
.regen__glow{position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(62,207,185,.22),transparent 68%);top:-160px;right:-140px;z-index:1;filter:blur(10px)}
.brainline{position:absolute;opacity:.5;z-index:1;pointer-events:none}
.brainline svg{width:100%;height:100%;overflow:visible}
.brainline path{fill:none;stroke:var(--teal);stroke-width:1;opacity:.18}

/* =========================================================
   PHILOSOPHY
   ========================================================= */
.phil__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,72px);align-items:center}
.phil__big{font-family:var(--serif);font-weight:500;font-size:clamp(30px,4vw,50px);line-height:1.06;letter-spacing:-.015em;color:var(--ink)}
.phil__big em{font-style:normal;color:var(--teal-2)}
.phil__body{font-size:clamp(17px,1.7vw,20px);color:var(--muted);line-height:1.65}
.phil__body p{margin:0 0 18px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{border:1px solid var(--line-2);border-radius:100px;padding:9px 18px;font-size:14px;font-weight:500;color:var(--ink-2);background:var(--glass);backdrop-filter:blur(6px);transition:.3s var(--ease)}
a.chip:hover{border-color:var(--teal);color:var(--teal)}

/* =========================================================
   PUBLICATIONS
   ========================================================= */
.pubs{background:linear-gradient(180deg,transparent,rgba(255,255,255,.015),transparent);border-block:1px solid var(--line)}
.pubs__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(36px,6vw,80px);align-items:start}
.pubs__intro .btn{margin-top:26px}
.pubs__intro .btn+.btn{margin-left:12px}
.pub-list{display:flex;flex-direction:column}
.pub-row{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:baseline;padding:22px 4px;border-top:1px solid var(--line);transition:.35s var(--ease)}
.pub-row:last-child{border-bottom:1px solid var(--line)}
.pub-row:hover{background:var(--teal-soft);padding-inline:16px;border-radius:10px}
.pub-row__y{font-family:var(--serif);font-size:22px;color:var(--teal);font-weight:600}
.pub-row__t{font-size:16px;line-height:1.45;color:var(--ink);font-weight:500}
.pub-row__j{display:block;margin-top:5px;font-size:13.5px;color:var(--muted-2);font-style:normal}
.pub-row__go{font-size:20px;color:var(--muted-2);transition:.3s;align-self:center}
.pub-row:hover .pub-row__go{color:var(--teal);transform:translateX(3px)}

.pubpage-head{padding-top:clamp(150px,18vh,210px)}
.pub-tools{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-bottom:36px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.pub-search{flex:1;min-width:240px;position:relative}
.pub-search input{width:100%;padding:15px 20px 15px 46px;border:1px solid var(--line-2);border-radius:100px;background:var(--glass);color:var(--ink);font-family:var(--sans);font-size:15px;transition:.3s;backdrop-filter:blur(8px)}
.pub-search input::placeholder{color:var(--muted-2)}
.pub-search input:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 4px var(--teal-soft)}
.pub-search svg{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:18px;color:var(--muted-2)}
.pub-count{font-size:14px;color:var(--muted);font-weight:500}
.pub-count b{color:var(--teal);font-weight:700}
.pub-links{display:flex;gap:10px}
.pubfull{display:flex;flex-direction:column}
.pubfull__item{display:grid;grid-template-columns:78px 1fr auto;gap:24px;align-items:baseline;padding:24px 8px;border-top:1px solid var(--line);transition:.3s var(--ease)}
.pubfull__item:last-child{border-bottom:1px solid var(--line)}
.pubfull__item:hover{background:var(--teal-soft);border-radius:10px}
.pubfull__y{font-family:var(--serif);font-size:26px;color:var(--teal);font-weight:600}
.pubfull__t{font-size:17px;line-height:1.45;color:var(--ink);font-weight:500}
.pubfull__a{display:block;margin-top:7px;font-size:13.5px;color:var(--muted);line-height:1.5}
.pubfull__j{display:block;margin-top:4px;font-size:13.5px;color:var(--muted-2);font-style:normal}
.pubfull__go{font-size:12px;font-weight:700;color:var(--teal);text-transform:uppercase;letter-spacing:.06em;align-self:center;white-space:nowrap}
.pubfull__go::after{content:" ↗"}
.pub-hidden{display:none!important}
.pub-empty{padding:50px;text-align:center;color:var(--muted)}

/* =========================================================
   TIMELINE (about)
   ========================================================= */
.tl{position:relative;margin-top:22px}
.tl::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:1.5px;background:linear-gradient(180deg,var(--teal),var(--line))}
.tl__item{position:relative;padding:0 0 46px 46px}
.tl__item:last-child{padding-bottom:0}
.tl__dot{position:absolute;left:0;top:6px;width:17px;height:17px;border-radius:50%;background:var(--bg);border:1.5px solid var(--teal);display:grid;place-items:center;box-shadow:0 0 0 4px rgba(62,207,185,.08)}
.tl__dot::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}
.tl__year{font-family:var(--serif);font-size:15px;font-weight:600;letter-spacing:.04em;color:var(--teal);text-transform:uppercase}
.tl__title{font-family:var(--serif);font-size:23px;font-weight:600;color:var(--ink);margin:4px 0 6px;line-height:1.2}
.tl__desc{font-size:15px;color:var(--muted);max-width:56ch;line-height:1.6}

.panel{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(28px,3.5vw,44px);backdrop-filter:blur(10px)}
.panel h3{font-family:var(--serif);font-size:26px;font-weight:600;color:var(--ink);margin-bottom:22px}
.ticklist{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.ticklist li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;font-size:15.5px;color:var(--ink-2);line-height:1.5}
.ticklist li::before{content:"";width:20px;height:20px;margin-top:2px;border-radius:6px;background:var(--teal-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233ecfb9' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-size:13px;background-repeat:no-repeat;background-position:center}

/* awards panel — dark accent card (readable) */
.panel--award{background:linear-gradient(158deg,#0e241d 0%,#0a1a15 100%);border-color:var(--line-2)}
.panel--award .ticklist li{color:#dce8e3}

/* contact — society role cards (equal height, symmetric) */
.roles{display:flex;flex-direction:column;gap:16px}
.roles__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;grid-auto-rows:1fr}
@media(max-width:640px){.roles__grid{grid-template-columns:1fr}}
.presidency{position:relative;border-radius:var(--r-lg);padding:30px 28px;
  background:linear-gradient(158deg,#11291f 0%,#0a1a15 100%);border:1px solid var(--line-2);
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;
  box-shadow:0 24px 60px -34px rgba(0,0,0,.85)}
.presidency__logo{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;margin-bottom:20px;
  background:#fff;padding:8px;box-shadow:0 12px 28px -12px rgba(0,0,0,.65),0 0 0 5px rgba(255,255,255,.05)}
.presidency__logo img{width:100%;height:100%;object-fit:contain;opacity:1;display:block}
.presidency__eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);margin-bottom:11px}
.presidency__name{font-family:var(--serif);font-size:20px;font-weight:600;line-height:1.3;color:var(--ink);margin:0 0 16px;letter-spacing:-.01em}
.presidency__role{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:#08150f;background:var(--teal);padding:7px 15px;border-radius:100px;
  box-shadow:0 10px 26px -12px rgba(62,207,185,.5)}
/* president = the standout credential: bigger, brighter, starred */
.presidency__role--lead{font-size:12.5px;font-weight:700;padding:9px 18px;
  background:linear-gradient(120deg,#63e0cf,#2fc4b0);color:#04140f;
  box-shadow:0 16px 34px -12px rgba(62,207,185,.75)}
.presidency__role--lead .star{font-size:13px;line-height:1}
.presidency__links{display:flex;gap:9px;margin-top:20px}
.presidency__links a{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;
  color:var(--ink-2);border:1px solid var(--line);padding:8px 13px;border-radius:100px;transition:.3s var(--ease)}
.presidency__links a:hover{color:var(--teal-2);border-color:rgba(62,207,185,.42);background:var(--teal-soft)}
.presidency__links svg{width:14px;height:14px}
.presidency__body{color:var(--ink-2);font-size:14.5px;line-height:1.65;margin:0}
.roles__note{color:var(--ink-2);font-size:14px;line-height:1.62;margin:2px 4px 0}

/* ===== CONTACT PAGE — professional sections ===== */
body.page-contact .contact-head{padding-bottom:clamp(28px,3.6vw,50px)}
body.page-contact .sec--tight{padding-block:clamp(30px,3.8vw,52px)}
body.page-contact .sechead{margin-bottom:clamp(28px,3.6vw,44px)}
.contact-cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.resp-note{display:inline-flex;align-items:center;gap:9px;margin-top:18px;font-size:13.5px;color:var(--ink-2)}
.resp-note b{color:var(--teal-2);font-weight:600}
.resp-note .dot{width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(62,207,185,.16);animation:respPulse 2s ease-in-out infinite}
@keyframes respPulse{0%,100%{opacity:1}50%{opacity:.35}}
.contact-list{margin-top:24px;display:flex;flex-direction:column;gap:2px}

.ctypes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ccard{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;transition:.35s var(--ease);backdrop-filter:blur(10px)}
.ccard:hover{border-color:rgba(62,207,185,.35);transform:translateY(-3px);box-shadow:0 26px 60px -34px rgba(0,0,0,.8)}
.ccard__ic{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:var(--teal-soft);color:var(--teal);border:1px solid rgba(62,207,185,.22);margin-bottom:20px}
.ccard__ic svg{width:24px;height:24px}
.ccard h3{font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink);margin:0 0 10px}
.ccard p{color:var(--ink-2);font-size:14.5px;line-height:1.62;margin:0}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{position:relative;padding:30px 26px;border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(158deg,#0f251d,#0a1a15);overflow:hidden}
.step__n{font-family:var(--serif);font-size:34px;font-weight:600;color:var(--teal);line-height:1;opacity:.9}
.step h3{font-family:var(--serif);font-size:18px;font-weight:600;color:var(--ink);margin:16px 0 9px}
.step p{color:var(--ink-2);font-size:14px;line-height:1.6;margin:0}
.step::after{content:"";position:absolute;top:26px;right:24px;width:26px;height:26px;opacity:.5;
  background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233ecfb9' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E")}
.step:last-child::after{display:none}

.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.trust__i{text-align:center;padding:26px 14px;border:1px solid var(--line);border-radius:18px;background:var(--glass)}
.trust__i b{display:block;font-family:var(--serif);font-size:26px;color:var(--teal-2);font-weight:600;letter-spacing:-.01em}
.trust__i span{display:block;margin-top:7px;font-size:12.5px;color:var(--ink-2);letter-spacing:.03em}

.faq{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq__item{border:1px solid var(--line);border-radius:16px;background:var(--glass);overflow:hidden;transition:.3s var(--ease)}
.faq__item[open]{border-color:rgba(62,207,185,.3)}
.faq__item summary{list-style:none;cursor:pointer;padding:21px 24px;font-family:var(--serif);font-size:16.5px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";font-size:24px;line-height:1;color:var(--teal);transition:.3s var(--ease);flex:0 0 auto}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__a{padding:0 24px 22px;color:var(--ink-2);font-size:14.5px;line-height:1.68}

@media(max-width:820px){
  .ctypes,.steps{grid-template-columns:1fr}
  .trust{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
}

/* leadership / membership — premium monochrome logo wall (3×3) */
.lead-grid{grid-template-columns:repeat(3,1fr);gap:14px}
.lead-card{min-height:auto;cursor:default;flex-direction:column;align-items:center;text-align:center;
  gap:22px;padding:38px 24px 30px;justify-content:flex-start}
.lead-card__logo{width:100%;height:54px;display:grid;place-items:center;position:relative;z-index:1}
.lead-card__logo img{max-width:78%;max-height:100%;object-fit:contain;display:block;
  opacity:.68;transition:opacity .4s var(--ease),transform .4s var(--ease)}
.lead-card:hover .lead-card__logo img{opacity:1;transform:translateY(-2px)}
.lead-card__mono{font-family:var(--serif);font-weight:700;font-size:22px;letter-spacing:.04em;color:var(--ink);opacity:.85}
.lead-card__label{color:var(--ink-2);font-weight:500;font-size:14px;line-height:1.55;max-width:27ch}
@media (max-width:900px){ .lead-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:560px){
  .lead-grid{grid-template-columns:1fr}
  .lead-card{flex-direction:row;text-align:left;gap:20px;padding:20px 18px}
  .lead-card__logo{width:112px;flex:0 0 112px;height:46px}
  .lead-card__logo img{max-width:100%}
  .lead-card__label{max-width:none}
}

/* =========================================================
   EXPERTISE DETAIL
   ========================================================= */
.xdetail-head{padding-top:clamp(150px,18vh,210px)}
.xdetail__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(32px,5vw,70px);align-items:start}
.xdetail__ic{display:block;width:64px;height:64px;color:var(--teal);margin-bottom:24px}
.xdetail__ic svg{width:100%;height:100%}
.xdetail__cat{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}
.xdetail__title{font-family:var(--serif);font-size:clamp(34px,5vw,58px);font-weight:500;letter-spacing:-.02em;color:var(--ink);margin:8px 0 26px;line-height:1.02}
.xdetail__desc{font-size:clamp(17px,1.7vw,20px);color:var(--ink-2);line-height:1.62}
.xdetail__scope{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;backdrop-filter:blur(10px)}
.xdetail__scope h4{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-bottom:20px}
.xdetail__cta{position:relative;overflow:hidden;margin-top:40px;border:1px solid var(--line-2);border-radius:var(--r-lg);padding:clamp(30px,4vw,52px);
  display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  background:linear-gradient(120deg,var(--bg-2),var(--panel));box-shadow:inset 0 0 60px -30px var(--teal-glow)}
.xdetail__cta p{font-family:var(--serif);font-size:clamp(22px,2.6vw,32px);color:var(--ink);max-width:24ch;margin:0;line-height:1.2}
.xdetail__cta p em{font-style:normal;color:var(--teal-2)}
.x-others{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.x-others a{border:1px solid var(--line);border-radius:var(--r);padding:20px;background:var(--glass);transition:.4s var(--ease);display:flex;gap:14px;align-items:center;backdrop-filter:blur(8px)}
.x-others a:hover{border-color:var(--teal);transform:translateY(-3px);background:var(--teal-soft)}
.x-others svg{width:30px;height:30px;color:var(--teal);flex-shrink:0}
.x-others b{font-family:var(--serif);font-size:18px;font-weight:600;color:var(--ink)}

/* =========================================================
   ARTICLES
   ========================================================= */
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.art-card{display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:.5s var(--ease-out);min-height:238px;backdrop-filter:blur(10px)}
.art-card:hover{border-color:var(--teal);transform:translateY(-6px);box-shadow:0 40px 70px -44px rgba(0,0,0,.85),0 0 50px -30px var(--teal-glow)}
.art-card__media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.art-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.art-card:hover .art-card__media img{transform:scale(1.05)}
.art-card__body{display:flex;flex-direction:column;flex:1;padding:28px}
.art-card__cat{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
.art-card__title{font-family:var(--serif);font-size:23px;font-weight:600;color:var(--ink);margin:12px 0 11px;line-height:1.16}
.art-card__ex{font-size:14.5px;color:var(--muted);line-height:1.55;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.art-card__foot{margin-top:20px;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);display:inline-flex;gap:8px;align-items:center}
.art-card__foot span{transition:transform .4s var(--ease)}
.art-card:hover .art-card__foot span{transform:translateX(5px)}

.art-read{max-width:760px;margin-inline:auto}
.art-read__head{margin-bottom:32px}
.art-read__meta{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:18px}
.art-read__title{font-family:var(--serif);font-weight:500;font-size:clamp(32px,4.6vw,54px);line-height:1.08;letter-spacing:-.02em;color:var(--ink)}
.art-read__author{display:flex;align-items:center;gap:13px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.art-read__author img{width:42px;height:42px;object-fit:contain;filter:drop-shadow(0 2px 8px rgba(62,207,185,.3))}
.art-read__author b{font-family:var(--serif);font-size:17px;color:var(--ink);display:block;line-height:1.1}
.art-read__author i{font-style:normal;font-size:12px;color:var(--muted-2);letter-spacing:.04em}
.art-read__cover{margin:6px 0 36px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line)}
.art-read__cover img{width:100%;display:block}
.art-read__body{font-size:18.5px;line-height:1.82;color:var(--ink-2)}
.art-read__body p{margin:0 0 22px}
.art-read__body h2{font-family:var(--serif);font-weight:600;font-size:clamp(25px,3vw,34px);color:var(--ink);line-height:1.18;margin:46px 0 16px;letter-spacing:-.015em}
.art-read__body h2:first-child{margin-top:0}
.art-read__body ul{margin:0 0 22px;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px}
.art-read__body li{position:relative;padding-left:28px;color:var(--ink-2)}
.art-read__body li::before{content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:50%;background:var(--teal)}
.art-read__body a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.art-read__foot{margin-top:46px;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.art-read__disc{font-size:13px;color:var(--muted-2);line-height:1.5;margin:0}
.art-read__src{font-size:13.5px;font-weight:600;color:var(--teal)}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-head{padding-top:clamp(150px,18vh,210px)}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,80px)}
.contact__title{font-family:var(--serif);font-size:clamp(32px,4.4vw,50px);font-weight:500;letter-spacing:-.02em;line-height:1.05;color:var(--ink);margin-bottom:26px;text-wrap:balance}
.contact__title em{font-style:normal;color:var(--teal-2)}
.contact__body{font-size:clamp(17px,1.7vw,19px);color:var(--muted);max-width:44ch;margin-bottom:34px}
.contact-methods{display:flex;flex-direction:column;gap:14px}
.cmethod{display:flex;gap:18px;align-items:center;padding:22px 24px;border:1px solid var(--line);border-radius:var(--r);background:var(--glass);backdrop-filter:blur(10px);transition:.4s var(--ease)}
.cmethod:hover{border-color:var(--teal);transform:translateX(5px);background:var(--teal-soft)}
.cmethod__ic{width:44px;height:44px;border-radius:12px;background:var(--teal-soft);display:grid;place-items:center;color:var(--teal);flex-shrink:0}
.cmethod__ic svg{width:22px;height:22px}
.cmethod b{display:block;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2)}
.cmethod span{font-size:17px;color:var(--ink);font-weight:500}
.contact-social-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}

/* =========================================================
   FOOTER
   ========================================================= */
.site-foot{background:linear-gradient(180deg,transparent,rgba(0,0,0,.35));border-top:1px solid var(--line);padding-top:clamp(56px,7vw,92px);margin-top:40px}
.site-foot__grid{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gut);display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:clamp(28px,4vw,56px);padding-bottom:56px;border-bottom:1px solid var(--line)}
.foot-brand__logo{width:210px;filter:brightness(0) invert(1) opacity(.88);margin-bottom:22px;margin-left:-6px}
.foot-brand__text{font-size:15px;color:var(--muted);max-width:40ch;line-height:1.6}
.foot-social{display:flex;gap:16px;margin-top:22px}
.foot-social a{font-size:13px;font-weight:600;letter-spacing:.03em;color:var(--muted);transition:.3s}
.foot-social a:hover{color:var(--teal)}
.foot-col h4{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:20px}
.foot-col a{display:block;font-size:15px;color:var(--ink-2);padding:6px 0;transition:.3s}
.foot-col a:hover{color:var(--teal)}
.foot-cta p{font-size:15px;color:var(--muted);margin:0 0 16px}
.site-foot__bar{max-width:var(--wrap);margin:0 auto;padding:26px var(--gut) 40px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.foot-disc{font-size:12px;color:var(--muted-2);max-width:70ch;line-height:1.5;margin:0}
.foot-copy{font-size:13px;color:var(--muted);margin:0;white-space:nowrap}

/* =========================================================
   REVEAL
   ========================================================= */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity 1s var(--ease-out),transform 1s var(--ease-out)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal][data-d="1"]{transition-delay:.09s}
[data-reveal][data-d="2"]{transition-delay:.18s}
[data-reveal][data-d="3"]{transition-delay:.27s}
[data-reveal][data-d="4"]{transition-delay:.36s}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}.chero__scroll i{animation:none}body{background-attachment:scroll}}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media(max-width:1080px){
  .nav{display:none}
  .burger{display:flex}
  .head-actions .btn{display:none}
  .hero__grid{grid-template-columns:1fr;gap:44px}
  .hero__portrait{max-width:440px}
  .profile__grid,.regen__grid,.phil__grid,.pubs__grid,.contact__grid,.xdetail__grid{grid-template-columns:1fr;gap:40px}
  .exp-grid,.x-others,.art-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .site-foot__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .chero{align-items:flex-end;min-height:100svh}
  .chero__media img{object-position:60% 12%}
  .chero__scrim{background:
    linear-gradient(0deg, var(--bg) 40%, rgba(7,19,15,.94) 54%, rgba(7,19,15,.55) 68%, rgba(7,19,15,.12) 84%, transparent 92%),
    radial-gradient(70vw 40vh at 50% 100%, rgba(62,207,185,.10), transparent 60%);}
  .chero__inner{padding-top:0;padding-bottom:clamp(32px,5vh,54px)}
  .chero__name{font-size:clamp(40px,11vw,64px)}
  .chero__slogan{font-size:clamp(19px,4.4vw,26px);margin-top:20px}
  .chero__cta{margin-top:26px}
  .chero__stats{margin-top:30px;gap:18px 26px}
  .chero__scroll{display:none}
}
@media(max-width:640px){
  body{font-size:16px}
  .brand__wm i{display:none}
  .exp-grid,.x-others,.art-grid,.site-foot__grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .pub-row{grid-template-columns:auto 1fr;gap:14px}
  .pub-row__go{display:none}
  .pubfull__item{grid-template-columns:54px 1fr;gap:14px}
  .pubfull__go{grid-column:2;align-self:start}
  .profile__tag{position:static;margin-top:18px;max-width:none}
  .site-head__inner{margin-inline:8px;padding:9px 14px}
  .affil__item{font-size:16px}
  .chero__name{font-size:clamp(38px,11.5vw,56px)}
  .chero__stats{max-width:none;gap:16px 22px}
  .chero__stat b{font-size:25px}
}

/* =========================================================
   MODERN "CLINICAL INSTRUMENT" TYPE LAYER
   Space Grotesk display + Space Mono labels — signature identity,
   deliberately unlike the classical-serif Kabataş site.
   ========================================================= */
.chero__name,.hero__title,.sechead__title,.profile__title,.regen__title,.phil__big,
.xdetail__title,.contact__title,.art-read__title,.stat__n{font-weight:600;letter-spacing:-.03em}
.chero__name{font-weight:700;letter-spacing:-.045em;line-height:.9}
.exp-card__title,.art-card__title,.regen-item b,.pub-row__y,.pubfull__y,.tl__title,
.panel h3,.brand__wm b,.x-others b,.profile__body p.lead{font-weight:600;letter-spacing:-.012em}
.art-read__body h2{font-weight:600;letter-spacing:-.02em}
.drawer__nav a{font-weight:600;letter-spacing:-.02em}

/* accent words (were italic serif) -> teal weight contrast */
.chero__name em,.sechead__title em,.hero__title em,.regen__title em,.profile__title em,
.phil__big em,.contact__title em,.xdetail__cta p em{color:var(--teal);font-weight:700}

/* ---- MONO LABEL SYSTEM (the signature) ---- */
.eyebrow,.chero__pfx,.exp-card__cat,.art-card__cat,.art-read__meta,.xdetail__cat,
.affil__label,.foot-col h4,.cmethod b,.pubfull__go,.pub-count,.stat__k,.tl__year,
.chero__stat i,.art-read__author i,.art-card__foot,.exp-card__link,.pub-links{
  font-family:var(--mono)}
.eyebrow{font-weight:400;font-size:11.5px;letter-spacing:.14em;gap:14px}
.chero__pfx{font-weight:400;letter-spacing:.2em}
.exp-card__cat,.art-card__cat,.xdetail__cat,.art-read__meta{font-weight:400;letter-spacing:.08em}
.affil__label,.foot-col h4{font-weight:400;letter-spacing:.1em}
.exp-card__link,.art-card__foot{letter-spacing:.06em}
.stat__k,.chero__stat i{letter-spacing:.06em;font-size:10.5px}

/* affiliation ticker -> catalog-plate mono, not serif italic */
.affil__item{font-family:var(--mono);font-size:13.5px;letter-spacing:.01em;opacity:.8}

/* nav numeric/section feel */
.brand__wm i{font-family:var(--mono);letter-spacing:.12em}

/* =========================================================
   IMMERSIVE SCROLL HERO (homepage) — 4-stage clip-path morph
   Real photos of the doctor · precision line · story progress
   Scoped under .hero-sticky so it never leaks into the rest.
   ========================================================= */
:root{--hero-progress:0;--pointer-x:0;--pointer-y:0}
.hero-shell{height:380vh;background:var(--bg)}
.hero-sticky{
  position:sticky;top:0;height:100svh;min-height:720px;overflow:hidden;isolation:isolate;
  /* local immersive palette (does not affect the rest of the site) */
  --teal:#35c8b5; --teal-bright:#71eadb; --base:#03100e; --panel:#071816;
  --ink:#f3f6f4; --muted:#a5b3af; --line:rgba(185,225,217,.18);
  background:
    radial-gradient(circle at 72% 38%, rgba(30,121,108,.2), transparent 32%),
    linear-gradient(116deg,#020b0a 0%,#04120f 48%,#08231f 100%);
}
.hero-sticky .ambient,.hero-sticky .visual-stage{position:absolute;inset:0}
.hero-sticky .ambient{z-index:0;pointer-events:none}
.hero-sticky .ambient-glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.22}
.hero-sticky .ambient-glow-one{width:42vw;height:42vw;right:-6vw;top:10vh;background:#147a6c;
  transform:translate(calc(var(--pointer-x) * -12px),calc(var(--pointer-y) * -8px))}
.hero-sticky .ambient-glow-two{width:28vw;height:28vw;left:38vw;bottom:-16vw;background:#1ba793;opacity:.12}
.hero-sticky .grain{position:absolute;inset:0;opacity:.055;mix-blend-mode:soft-light;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E")}
.hero-sticky .visual-stage{z-index:1;left:37%;overflow:hidden}
.hero-sticky .photo-plane{position:absolute;inset:0;margin:0;overflow:hidden;transform-origin:center;will-change:clip-path,transform,opacity,filter}
.hero-sticky .photo-plane img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.86) contrast(1.05)}
.hero-sticky .plane-academic{clip-path:ellipse(79% 102% at 100% 50%);transform:translate3d(calc(var(--pointer-x) * 3px),calc(var(--pointer-y) * 2px),0) scale(1.04)}
.hero-sticky .plane-academic img{object-position:55% 24%;filter:saturate(.94) contrast(1.04) brightness(.9)}
.hero-sticky .plane-clinical{clip-path:ellipse(58% 95% at 112% 50%);transform:translate3d(calc(var(--pointer-x) * 6px),calc(var(--pointer-y) * 4px),0) scale(1.025)}
.hero-sticky .plane-clinical img{object-position:50% 26%}
.hero-sticky .plane-surgery-a{clip-path:ellipse(39% 91% at 119% 50%);transform:translate3d(calc(var(--pointer-x) * 9px),calc(var(--pointer-y) * 6px),0) scale(1.015)}
.hero-sticky .plane-surgery-a img{object-position:52% 30%}
.hero-sticky .plane-surgery-b{clip-path:ellipse(22% 89% at 126% 50%);transform:translate3d(calc(var(--pointer-x) * 12px),calc(var(--pointer-y) * 8px),0)}
.hero-sticky .plane-surgery-b img{object-position:52% 30%}
.hero-sticky .stage-shade{position:absolute;inset:0;z-index:6;pointer-events:none;
  background:linear-gradient(90deg,var(--base) 0%,rgba(3,16,14,.94) 22%,rgba(3,16,14,.55) 40%,rgba(3,16,14,.16) 52%,transparent 66%),linear-gradient(0deg,rgba(2,10,9,.65),transparent 36%)}
.hero-sticky .precision-line{position:absolute;z-index:8;inset:0;width:100%;height:100%;opacity:.82;filter:drop-shadow(0 0 8px rgba(68,221,201,.42));pointer-events:none}
.hero-sticky .precision-line path{stroke-dasharray:1420;stroke-dashoffset:calc(1420 - (1420 * var(--hero-progress)))}
.hero-sticky .line-orb{position:absolute;z-index:9;width:9px;height:9px;border-radius:50%;
  left:calc(12% + (54% * var(--hero-progress)));top:calc(86% - (66% * var(--hero-progress)));
  background:#d5fff9;box-shadow:0 0 9px 3px rgba(80,229,209,.7)}
.hero-sticky .hero-content{position:absolute;z-index:10;left:clamp(24px,4vw,72px);top:50%;width:min(49vw,690px);transform:translateY(-46%)}
.hero-sticky .hero-eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 26px;color:var(--teal-bright);
  font-family:var(--mono);font-size:11px;font-weight:400;letter-spacing:.2em;text-transform:uppercase}
.hero-sticky .hero-eyebrow i{width:4px;height:4px;border-radius:50%;background:var(--teal)}
.hero-sticky .hero-content h1{margin:0;font-family:var(--sans);font-size:clamp(40px,3.6vw,64px);line-height:1;letter-spacing:-.045em;font-weight:350;color:var(--ink)}
.hero-sticky .hero-content h1 span{display:block;text-wrap:balance}
.hero-sticky .hero-content h1 em{color:var(--teal);font-style:normal;font-weight:500}
.hero-sticky .hero-copy{max-width:470px;margin:30px 0 34px;color:var(--muted);font-size:16px;line-height:1.65}
.hero-sticky .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-sticky .button{height:56px;min-width:210px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;
  border-radius:6px;font-size:14px;font-weight:550;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.hero-sticky .button b{font-size:19px;font-weight:300;transition:transform .22s ease}
.hero-sticky .button:hover{transform:translateY(-2px)}
.hero-sticky .button:hover b{transform:translate(3px,-2px)}
.hero-sticky .button-primary{color:#03110f;background:linear-gradient(120deg,#63d9c9,#27b7a5);box-shadow:0 10px 36px rgba(28,175,156,.12)}
.hero-sticky .button-primary:hover{box-shadow:0 13px 40px rgba(28,175,156,.24)}
.hero-sticky .button-secondary{border:1px solid rgba(82,211,193,.42)}
.hero-sticky .button-secondary:hover{border-color:var(--teal)}
.hero-sticky .metrics{display:flex;margin:46px 0 0}
.hero-sticky .metrics div{min-width:150px;padding:0 28px;border-left:1px solid var(--line)}
.hero-sticky .metrics div:first-child{padding-left:0;border-left:0}
.hero-sticky .metrics dt{font-family:var(--serif);color:var(--teal);font-size:40px;font-weight:500;letter-spacing:-.04em}
.hero-sticky .metrics dd{margin:5px 0 0;font-family:var(--mono);color:#9caba6;font-size:11px;letter-spacing:.04em;text-transform:uppercase}
.hero-sticky .story-progress{position:absolute;z-index:12;left:clamp(24px,4vw,72px);bottom:34px;width:min(520px,42vw);display:grid;grid-template-columns:repeat(4,1fr)}
.hero-sticky .story-progress button{position:relative;z-index:2;padding:0 0 16px;text-align:left;border:0;background:transparent;cursor:pointer;color:#7d8e89;transition:color .22s ease;font-family:var(--mono)}
.hero-sticky .story-progress button span{display:none}
.hero-sticky .story-progress button strong{font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:400}
.hero-sticky .story-progress button::after{content:"";position:absolute;left:0;bottom:-3px;width:8px;height:8px;border-radius:50%;background:#61716d;transition:.26s ease}
.hero-sticky .story-progress button.is-active{color:var(--teal)}
.hero-sticky .story-progress button.is-active::after{background:var(--teal);box-shadow:0 0 12px 3px rgba(53,200,181,.42)}
.hero-sticky .progress-track{position:absolute;left:0;right:11%;bottom:0;height:1px;background:rgba(190,210,204,.2)}
.hero-sticky .progress-track i{display:block;height:1px;width:calc(var(--hero-progress) * 100%);background:linear-gradient(90deg,var(--teal),rgba(106,229,213,.4))}
.hero-sticky .scroll-cue{position:absolute;z-index:12;right:34px;bottom:28px;display:flex;flex-direction:column;align-items:center;gap:8px;color:#72847f;font-family:var(--mono);font-size:8px;letter-spacing:.2em;text-transform:uppercase;writing-mode:vertical-rl}
.hero-sticky .scroll-cue i{width:1px;height:34px;background:linear-gradient(var(--teal),transparent);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.25;transform:scaleY(.55);transform-origin:top}50%{opacity:1;transform:scaleY(1)}}

@media(max-width:1100px){
  .hero-sticky .visual-stage{left:30%}
  .hero-sticky .hero-content{width:60vw}
  .hero-sticky .metrics div{min-width:132px}
}
@media(max-width:720px){
  /* mobile: clean single-screen static hero (no scroll-driven photo swap) */
  .hero-shell{height:auto}
  .hero-sticky{position:relative;top:auto;height:100svh;min-height:600px}
  .hero-sticky .visual-stage{left:0;right:0;top:0;bottom:0}
  .hero-sticky .photo-plane{clip-path:none!important;transform:none!important;opacity:0!important}
  .hero-sticky .plane-academic{opacity:1!important}
  .hero-sticky .plane-clinical,.hero-sticky .plane-surgery-a,.hero-sticky .plane-surgery-b{display:none}
  .hero-sticky .plane-academic img{object-position:52% 20%;filter:saturate(.95) contrast(1.03) brightness(.92)}
  .hero-sticky .stage-shade{background:linear-gradient(0deg,var(--base) 8%,rgba(3,16,14,.96) 30%,rgba(3,16,14,.5) 52%,rgba(3,16,14,.05) 76%,transparent 88%)}
  .hero-sticky .precision-line,.hero-sticky .line-orb,.hero-sticky .story-progress,.hero-sticky .scroll-cue{display:none}
  .hero-sticky .hero-content{left:20px;right:20px;top:auto;bottom:38px;width:auto;transform:none}
  .hero-sticky .hero-eyebrow{margin-bottom:13px;font-size:9px}
  .hero-sticky .hero-content h1{font-size:clamp(29px,8vw,46px)}
  .hero-sticky .hero-copy{margin:16px 0 22px;font-size:14px;max-width:100%}
  .hero-sticky .hero-actions{gap:10px}
  .hero-sticky .button{min-width:0;flex:1;height:52px;padding:0 16px;font-size:13px}
}
@media(prefers-reduced-motion:reduce){
  .hero-shell{height:100svh}
  .hero-sticky .plane-academic,.hero-sticky .plane-surgery-a,.hero-sticky .plane-surgery-b{opacity:0}
  .hero-sticky .plane-clinical{opacity:1;clip-path:ellipse(62% 100% at 100% 50%)}
}

/* =========================================================
   COOLER MOBILE HERO — motion, teal aurora, staggered reveal
   ========================================================= */
@keyframes kbZoom{from{transform:scale(1.04)}to{transform:scale(1.17)}}
@keyframes heroUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@media(max-width:720px){
  /* slow cinematic zoom on the portrait */
  .hero-sticky .plane-academic img{animation:kbZoom 22s ease-in-out infinite alternate;transform-origin:60% 26%}
  /* teal aurora glow layered over the photo + legibility scrim */
  .hero-sticky .stage-shade{background:
    radial-gradient(72vw 44vh at 90% 9%, rgba(53,200,181,.26), transparent 60%),
    radial-gradient(56vw 34vh at 6% 40%, rgba(20,122,108,.20), transparent 62%),
    linear-gradient(0deg, var(--base) 8%, rgba(3,16,14,.96) 30%, rgba(3,16,14,.5) 52%, rgba(3,16,14,.05) 76%, transparent 88%)}
  /* headline gets a soft glow lift */
  .hero-sticky .hero-content h1{text-shadow:0 6px 40px rgba(0,0,0,.45)}
  /* staggered load-in reveal */
  .hero-sticky .hero-eyebrow{animation:heroUp .7s .05s both cubic-bezier(.16,1,.3,1)}
  .hero-sticky .hero-content h1{animation:heroUp .85s .16s both cubic-bezier(.16,1,.3,1)}
  .hero-sticky .hero-copy{animation:heroUp .85s .3s both cubic-bezier(.16,1,.3,1)}
  .hero-sticky .hero-actions{animation:heroUp .85s .44s both cubic-bezier(.16,1,.3,1)}
  /* scroll cue hidden on mobile (clashes with buttons) */
  .hero-sticky .scroll-cue{display:none!important}
}
@media(max-width:720px) and (prefers-reduced-motion:reduce){
  .hero-sticky .plane-academic img,
  .hero-sticky .hero-eyebrow,.hero-sticky .hero-content h1,
  .hero-sticky .hero-copy,.hero-sticky .hero-actions{animation:none!important}
}

/* =========================================================
   MOBILE: all hero photos as an auto cross-fade slideshow
   (overrides the single-static mobile hero above)
   ========================================================= */
@media(max-width:720px){
  .hero-sticky .photo-plane{display:block!important;clip-path:none!important;transform:none!important;
    opacity:0!important;transition:opacity 1.1s ease}
  .hero-sticky .photo-plane.is-slide-active{opacity:1!important}
  /* fallback: if slideshow not running (JS off / reduced motion), show the first photo */
  .hero-shell:not(.slides) .hero-sticky .plane-academic{opacity:1!important}
  /* per-photo framing on mobile */
  .hero-sticky .plane-academic img{object-position:53% 24%}
  .hero-sticky .plane-clinical img{object-position:50% 20%}
  .hero-sticky .plane-surgery-a img{object-position:52% 26%}
  .hero-sticky .plane-surgery-b img{object-position:52% 28%}
  /* slow Ken Burns on whichever photo is visible */
  .hero-sticky .photo-plane.is-slide-active img{animation:kbZoom 5s ease-out both}
  /* compact tappable slide dots near the top */
  .hero-sticky .story-progress{display:flex!important;justify-content:center;align-items:center;gap:12px;
    left:0;right:0;top:104px;bottom:auto;width:auto}
  .hero-sticky .story-progress button{padding:0;width:auto;height:16px;display:flex;align-items:center}
  .hero-sticky .story-progress button span,.hero-sticky .story-progress button strong{display:none}
  .hero-sticky .story-progress button::after{position:static;left:auto;bottom:auto;width:7px;height:7px}
  .hero-sticky .progress-track{display:none}
}
@media(max-width:720px) and (prefers-reduced-motion:reduce){
  .hero-sticky .photo-plane.is-slide-active img{animation:none}
  .hero-sticky .story-progress{display:none!important}
}

/* =========================================================
   EXPERTISE — enriched long-form content (.xrich)
   ========================================================= */
.xrich{max-width:820px;margin:clamp(46px,6vw,80px) 0 0;border-top:1px solid var(--line);padding-top:clamp(38px,5vw,60px)}
.xrich__sec{margin-bottom:clamp(30px,4vw,48px)}
.xrich__sec:last-child{margin-bottom:0}
.xrich__h{font-family:var(--serif);font-weight:600;font-size:clamp(22px,2.8vw,30px);line-height:1.16;
  letter-spacing:-.015em;color:var(--ink);margin:0 0 16px;position:relative;padding-left:20px}
.xrich__h::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--teal),transparent)}
.xrich__sec p{font-size:clamp(16px,1.65vw,18px);line-height:1.8;color:var(--ink-2);margin:0 0 16px;max-width:72ch}
.xrich__sec p:last-child{margin-bottom:0}

/* =========================================================
   EXPERTISE cover images (cards + detail banner)
   ========================================================= */
.exp-card__media{display:block;aspect-ratio:16/10;overflow:hidden;margin:-34px -30px 24px;background:var(--bg-2);border-bottom:1px solid var(--line)}
.exp-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.exp-card:hover .exp-card__media img{transform:scale(1.05)}
.exp-card--photo{padding-top:0}
.exp-card--photo .exp-card__cat,.exp-card--photo .exp-card__title,.exp-card--photo .exp-card__meta,.exp-card--photo .exp-card__link{padding-inline:0}

.xdetail__cover{margin:clamp(40px,5vw,64px) 0 0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);aspect-ratio:21/9;box-shadow:0 40px 90px -55px rgba(0,0,0,.9)}
.xdetail__cover img{width:100%;height:100%;object-fit:cover;display:block}

/* ---- expertise cards without icons: cleaner, professional spacing ---- */
.exp-card--photo .exp-card__title{margin-top:2px}
.exp-card__media{margin-bottom:22px}
/* "other areas" list — title + arrow, no icon */
.x-others a{justify-content:space-between;padding:22px 24px}
.x-others a::after{content:"→";color:var(--teal);font-size:17px;transition:transform .35s var(--ease)}
.x-others a:hover::after{transform:translateX(5px)}

/* =========================================================
   HEADER — two-line title, social icons, mobile visibility
   ========================================================= */
.brand__wm2{opacity:.8;margin-top:1px}
.head-social{display:flex;align-items:center;gap:9px;padding-right:4px}
.head-social a{display:inline-flex;color:var(--muted-2);transition:color .3s var(--ease),transform .3s var(--ease)}
.head-social a:hover{color:var(--teal);transform:translateY(-1px)}
.head-social svg{width:18px;height:18px;display:block}

/* show the title (both lines) on mobile too */
@media(max-width:640px){
  .brand__wm i{display:block!important;font-size:7.5px;letter-spacing:.1em;line-height:1.4}
  .brand__wm b{font-size:16px}
}
/* phones: show social + language switch in the header; hide the two-line
   subtitle there so brand + social + langs + burger fit comfortably */
@media(max-width:640px){
  .head-social{display:flex!important;gap:7px}
  .head-social svg{width:16px;height:16px}
  .head-actions{gap:9px}
  .langs{font-size:11px;gap:1px}
  .langs a{padding:4px 3px}
  .brand{gap:9px}
  .brand__mark{width:32px;height:32px}
}
@media(max-width:600px){
  .brand__wm b{font-size:15px}
  .brand__wm i{font-size:7px;letter-spacing:.08em}
  .site-head__inner{padding:9px 11px;gap:9px}
}
/* very small phones: drop social so subtitle + langs + menu stay tidy */
@media(max-width:360px){
  .head-social{display:none!important}
}