/* ============ RESET / TOKENS ============ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#111111; --black:#000000; --paper:#FFFFFF; --fog:#F8F8F8;
  --hairline:#CFCFCF; --ash:#4A4A4A; --bone:#B3B3B3;
  --serif:'Cormorant Garamond',Didot,Georgia,serif;
  --sans:'Hanken Grotesk','Helvetica Neue',Arial,sans-serif;
  --gutter:clamp(20px,5vw,72px);
  --section:clamp(96px,14vh,200px);
  --ease:cubic-bezier(.16,1,.3,1);
}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
html.static{scroll-behavior:auto}
body{
  font-family:var(--sans); font-size:1rem; line-height:1.7; color:var(--ink);
  background:var(--paper); -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--ink);color:var(--paper)}
:focus-visible{outline:2px solid currentColor;outline-offset:3px}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);
  padding:12px 20px;z-index:99;font-size:.8rem;letter-spacing:.1em}
.skip:focus{left:0}

/* ============ TYPE ROLES ============ */
.display{
  font-family:var(--serif); font-weight:300;
  font-size:clamp(2.6rem,6.5vw,5.75rem); line-height:1.04; letter-spacing:-0.01em;
}
.headline{
  font-family:var(--serif); font-weight:400;
  font-size:clamp(1.9rem,3.6vw,3.1rem); line-height:1.12; letter-spacing:-0.005em;
}
.label{
  font-family:var(--sans); font-weight:500; font-size:.6875rem;
  letter-spacing:.22em; text-transform:uppercase;
}
.prose{max-width:65ch;color:var(--ash);font-size:1.0625rem}
.dark .prose{color:var(--bone)}

/* ============ LAYOUT ============ */
.wrap{max-width:1200px;margin-inline:auto;padding-inline:var(--gutter)}
section{padding-block:var(--section)}
.dark{background:var(--black);color:var(--paper)}
.kicker{color:var(--ash);display:block;margin-bottom:clamp(28px,4vh,48px)}
.dark .kicker{color:var(--bone)}


/* ============ BUTTONS ============ */
.btn{
  display:inline-block;font-family:var(--sans);font-weight:500;font-size:.6875rem;
  letter-spacing:.22em;text-transform:uppercase;text-decoration:none;cursor:pointer;
  padding:18px 44px;border:0;border-radius:0;
  background:var(--ink);color:var(--paper);
  transition:background .2s ease-out,color .2s ease-out;
}
.btn:hover{background:var(--black)}
.btn--onblack{background:var(--paper);color:var(--black)}
.btn--onblack:hover{background:var(--fog)}
.btn--ghost{background:transparent;color:var(--ink);padding:17px 43px;border:1px solid var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}
.dark .btn--ghost{color:var(--paper);border-color:rgba(255,255,255,.45)}
.dark .btn--ghost:hover{background:var(--paper);color:var(--black);border-color:var(--paper)}

/* ============ NAV ============ */
nav{
  position:fixed;inset:0 0 auto 0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 var(--gutter);height:96px;color:var(--paper);
  transition:background .3s ease-out,color .3s ease-out,box-shadow .3s ease-out;
}
nav .brand{display:flex;align-items:center;text-decoration:none}
nav .brand img{height:72px;width:auto;transition:filter .3s ease-out}
nav ul{display:flex;gap:clamp(18px,2.6vw,36px);list-style:none;align-items:center}
nav ul a{
  text-decoration:none;font-weight:500;font-size:.6875rem;letter-spacing:.18em;
  text-transform:uppercase;opacity:.85;transition:opacity .2s;
  padding:6px 0;border-bottom:1px solid transparent;
}
nav ul a:hover{opacity:1;border-bottom-color:currentColor}
nav .cta{border:1px solid currentColor;padding:11px 22px}
nav .cta:hover{border-bottom-color:currentColor}
nav{border-bottom:1px solid transparent}
nav.solid{background:var(--paper);color:var(--ink);border-bottom-color:var(--hairline)}
nav.solid .brand img{filter:invert(1)}
.nav-m{display:none;align-items:center;gap:16px}
.nav-m .cta{
  text-decoration:none;font-weight:500;font-size:.6875rem;letter-spacing:.18em;
  text-transform:uppercase;font-family:var(--sans);
}
.menu-btn{background:none;border:0;color:inherit;cursor:pointer;
  font-weight:500;font-size:.6875rem;letter-spacing:.22em;text-transform:uppercase;padding:10px 0}
.mobile-menu{
  position:fixed;inset:0;z-index:30;background:var(--black);color:var(--paper);
  display:none;flex-direction:column;justify-content:center;padding:0 var(--gutter);
}
.mobile-menu.open{display:flex}
.mobile-menu a{
  font-family:var(--serif);font-weight:300;font-size:clamp(2rem,8vw,3rem);
  text-decoration:none;padding:.35em 0;border-bottom:1px solid rgba(255,255,255,.14);
}
.mobile-menu .mm-logo{position:absolute;top:18px;left:var(--gutter);height:48px;width:auto}
.mobile-menu .close{
  position:absolute;top:24px;right:var(--gutter);background:none;border:1px solid rgba(255,255,255,.4);
  color:var(--paper);font-size:.6875rem;letter-spacing:.22em;text-transform:uppercase;
  padding:11px 22px;cursor:pointer;font-weight:500;
}

/* ============ HERO ============ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;
  text-align:center;color:var(--paper);overflow:hidden;background:var(--black);padding:0;
}
.hero-media{position:absolute;inset:0;overflow:hidden}
.hero-media img{
  width:100%;height:100%;object-fit:cover;object-position:50% 18%;
  filter:grayscale(1) contrast(1.04);
  animation:heroDrift 26s var(--ease) infinite alternate;
}
@keyframes heroDrift{from{transform:scale(1.02)}to{transform:scale(1.1)}}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.56)}
.hero-inner{position:relative;z-index:2;padding:140px var(--gutter) 120px;max-width:900px}
.hero-inner .lockup{width:min(300px,58vw);margin:0 auto clamp(36px,6vh,64px)}
.hero-inner h1{margin-bottom:clamp(20px,3vh,32px)}
.hero-inner h1 em{font-style:italic;font-weight:300}
.hero-sub{max-width:52ch;margin:0 auto;color:var(--bone);font-size:1.0625rem}
.hero-pillars{
  display:flex;justify-content:center;gap:0;list-style:none;
  margin-top:clamp(40px,7vh,72px);flex-wrap:wrap;
}
.hero-pillars li{
  padding:6px clamp(14px,2.6vw,30px);color:var(--bone);
  font-weight:500;font-size:.6875rem;letter-spacing:.22em;text-transform:uppercase;
}
.hero-pillars li + li{border-left:1px solid rgba(255,255,255,.28)}
.scroll-cue{
  position:absolute;bottom:0;left:50%;width:1px;height:72px;z-index:2;
  background:rgba(255,255,255,.28);overflow:hidden;
}
.scroll-cue::after{
  content:"";position:absolute;left:0;top:-40%;width:100%;height:40%;
  background:var(--paper);animation:cue 2.4s var(--ease) infinite;
}
@keyframes cue{to{top:110%}}

/* ============ REVEAL (sparse, single system) ============ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.12s}
.reveal[data-delay="2"]{transition-delay:.24s}
.reveal[data-delay="3"]{transition-delay:.36s}

/* ============ PHILOSOPHY ============ */
.philosophy{text-align:center}
.philosophy .display em{font-style:italic}
.philosophy .tr-line{
  font-family:var(--serif);font-style:italic;font-weight:400;
  font-size:clamp(1.25rem,2.2vw,1.6rem);color:var(--ash);
  margin-top:clamp(28px,5vh,48px);
}
.philosophy .prose{margin:clamp(28px,5vh,48px) auto 0;font-size:1rem}

/* ============ PORTRAIT INTERLUDE ============ */
.portrait{position:relative;padding:0;height:min(92vh,900px);overflow:hidden;background:var(--black)}

/* ============ ANATOMY / STRATA ============ */
.anatomy-head .prose{margin-top:28px}
.strata-stage{position:relative;height:480vh}
.strata-sticky{
  position:sticky;top:0;min-height:100svh;display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(32px,5vw,80px);
  align-items:center;max-width:1200px;margin-inline:auto;padding:96px var(--gutter) 48px;
}
.strata-copy{position:relative}
.strata-rail{
  position:absolute;left:0;top:8px;bottom:8px;width:1px;background:var(--hairline);
}
.strata-rail i{
  position:absolute;left:0;top:0;width:1px;height:20%;background:var(--ink);
  transition:top .5s var(--ease);
}
.strata-copy ol{list-style:none;padding-left:clamp(28px,3vw,44px)}
.strata-copy li{
  position:absolute;top:50%;transform:translateY(-40%);opacity:0;visibility:hidden;
  padding-left:clamp(28px,3vw,44px);left:0;right:0;
  transition:opacity .5s var(--ease),transform .5s var(--ease),visibility 0s .5s;
}
.strata-copy li.active{position:relative;top:auto;transform:none;opacity:1;visibility:visible;transition-delay:.1s,.1s,0s}
.strata-copy .idx{color:var(--ash);display:block;margin-bottom:16px}
.strata-copy h3{
  font-family:var(--serif);font-weight:300;font-size:clamp(2.4rem,5vw,4.4rem);
  line-height:1;letter-spacing:-0.01em;margin-bottom:20px;
}
.strata-copy p{max-width:44ch;color:var(--ash)}
.strata-fig{position:relative}
.strata-fig svg{width:100%;height:auto;display:block}
.strata-fig .axis{
  position:absolute;right:-6px;top:12%;bottom:12%;display:flex;flex-direction:column;
  justify-content:space-between;align-items:center;
}
.strata-fig .axis span{
  writing-mode:vertical-rl;font-size:.5625rem;letter-spacing:.24em;color:var(--ash);
  text-transform:uppercase;font-weight:500;
}
.strata-fig .axis i{flex:1;width:1px;background:var(--hairline);margin:14px 0}
.slayer{opacity:.22;transition:opacity .55s var(--ease)}
.slayer.active{opacity:1}
.anatomy-close{max-width:1200px;margin-inline:auto;padding:0 var(--gutter)}
.anatomy-close p{
  font-family:var(--serif);font-style:italic;font-weight:400;
  font-size:clamp(1.3rem,2.4vw,1.75rem);max-width:34em;color:var(--ink);
}

/* ============ ULTRASOUND ============ */
.us-grid{
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:clamp(40px,6vw,96px);align-items:start;margin-top:clamp(48px,8vh,88px);
}
.us-hud{border:1px solid rgba(255,255,255,.16);position:relative}
.us-hud svg{width:100%;height:auto;display:block}
.us-points{list-style:none}
.us-points li{padding:clamp(20px,3vh,30px) 0;border-top:1px solid rgba(255,255,255,.16)}
.us-points li:last-child{border-bottom:1px solid rgba(255,255,255,.16)}
.us-points h3{
  font-family:var(--serif);font-weight:400;font-size:1.5rem;letter-spacing:.005em;
  margin-bottom:8px;
}
.us-points p{color:var(--bone);max-width:52ch;font-size:.9375rem}
@keyframes sweep{0%{transform:rotate(-24deg)}50%{transform:rotate(24deg)}100%{transform:rotate(-24deg)}}
.us-beam{transform-origin:360px 56px;animation:sweep 7s ease-in-out infinite}
@keyframes echo{0%,100%{opacity:.35}50%{opacity:1}}
.us-vessel{animation:echo 2.8s ease-in-out infinite}
@keyframes blink{0%,60%{opacity:1}70%,100%{opacity:.15}}
.us-live{animation:blink 1.6s steps(1) infinite}

/* ============ SCIENCE (marquee band) ============ */
.sci-marquee{
  overflow:hidden;border-block:1px solid var(--hairline);
  margin-top:clamp(48px,7vh,80px);padding:clamp(32px,6vh,64px) 0;
}
.sci-track{display:flex;width:max-content;animation:marq 44s linear infinite}
.sci-marquee:hover .sci-track{animation-play-state:paused}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.sci-set{display:flex;align-items:baseline;gap:clamp(44px,6vw,100px);padding-right:clamp(44px,6vw,100px)}
.sci-pair{display:flex;align-items:baseline;gap:20px;white-space:nowrap}
.sci-pair .name{
  font-family:var(--serif);font-weight:300;font-size:clamp(2.6rem,6vw,5.75rem);
  line-height:1;letter-spacing:-0.01em;
}
.sci-pair .role{
  color:var(--ash);font-weight:500;font-size:.6875rem;letter-spacing:.22em;
  text-transform:uppercase;
}
.sci-foot{margin-top:clamp(32px,5vh,56px);color:var(--ash);max-width:65ch}
html.static .sci-track{animation:none}
@media (prefers-reduced-motion:reduce){.sci-track{animation:none}}

/* ============ TREATMENTS ============ */
.tx-index{list-style:none;margin-top:clamp(40px,6vh,64px)}
.tx-index li{border-top:1px solid var(--hairline)}
.tx-index li:last-child{border-bottom:1px solid var(--hairline)}
.tx-row{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr) auto;gap:20px;
  align-items:baseline;width:100%;text-align:left;background:none;border:0;
  cursor:pointer;padding:clamp(24px,3.6vh,38px) 12px;color:inherit;
  font-family:inherit;transition:background .25s ease-out;
}
.tx-row:hover,.tx-row:focus-visible{background:var(--fog)}
.tx-index .name{
  font-family:var(--serif);font-weight:400;font-size:clamp(1.6rem,3.2vw,2.5rem);
  line-height:1.12;transition:transform .3s var(--ease);
}
.tx-row:hover .name{transform:translateX(10px)}
.tx-index .desc{color:var(--ash);font-size:.9375rem;max-width:46ch}
.tx-toggle{
  font-family:var(--sans);font-weight:400;font-size:1.4rem;line-height:1;
  color:var(--ash);transition:transform .4s var(--ease);align-self:center;
}
li.open .tx-toggle{transform:rotate(45deg)}
.tx-detail{
  max-height:0;overflow:hidden;
  transition:max-height .55s var(--ease);
}
li.open .tx-detail{max-height:340px}
.tx-detail-inner{padding:0 12px clamp(28px,4vh,40px)}
.tx-detail-inner p{color:var(--ash);max-width:62ch;font-size:.9375rem;margin-bottom:18px}
.tx-detail-inner a{
  font-family:var(--sans);font-weight:500;font-size:.6875rem;letter-spacing:.22em;
  text-transform:uppercase;text-decoration:none;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:4px;
}
.tx-detail-inner a:hover{color:var(--black);border-bottom-width:2px}
html.static .tx-detail,html.static .tx-toggle{transition:none}
@media (prefers-reduced-motion:reduce){.tx-detail,.tx-toggle{transition:none}}
.dark .tx-index li{border-color:rgba(255,255,255,.16)}
.dark .tx-row:hover,.dark .tx-row:focus-visible{background:rgba(255,255,255,.06)}
.dark .tx-index .desc,.dark .tx-toggle,.dark .tx-detail-inner p{color:var(--bone)}
.dark .tx-detail-inner a{color:var(--paper);border-color:var(--paper)}
.dark .tx-detail-inner a:hover{color:var(--paper)}

/* ============ JOURNAL (feature + index) ============ */
.jr-grid{
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:clamp(40px,6vw,96px);margin-top:clamp(40px,6vh,64px);align-items:start;
}
.jr-feature{
  border:1px solid var(--hairline);padding:clamp(32px,4.5vw,64px);
  display:flex;flex-direction:column;gap:24px;
}
.jr-feature .jf-mark{width:40px;height:auto;opacity:.85}
.jr-feature .jt{
  font-family:var(--serif);font-weight:400;font-size:clamp(1.8rem,2.9vw,2.5rem);
  line-height:1.12;letter-spacing:-0.005em;
}
.jr-feature p{color:var(--ash)}
.jr-feature .jf-read{
  font-family:var(--sans);font-weight:500;font-size:.6875rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ink);align-self:flex-start;
}
.jr-list{list-style:none}
.jr-list li{padding:clamp(22px,3.2vh,32px) 0;border-top:1px solid var(--hairline)}
.jr-list li:last-child{border-bottom:1px solid var(--hairline)}
.jr-list .jt{
  font-family:var(--serif);font-weight:400;font-size:clamp(1.35rem,2.2vw,1.75rem);
  line-height:1.2;display:block;margin-bottom:8px;
}
.jr-list p{color:var(--ash);font-size:.9375rem;max-width:52ch}
.jr-foot{margin-top:clamp(32px,5vh,52px);color:var(--ash)}
.jr-foot .jr-all{
  color:var(--ink);text-decoration:none;margin-left:10px;
  font-weight:500;font-size:.6875rem;letter-spacing:.22em;text-transform:uppercase;
  border-bottom:1px solid var(--ink);padding-bottom:4px;
}
a.jr-feature{text-decoration:none;transition:border-color .3s var(--ease)}
a.jr-feature:hover{border-color:var(--ink)}
a.jr-feature:hover .jf-read{border-bottom:1px solid var(--ink);padding-bottom:4px}

/* ============ ABOUT (letter) ============ */
.letter{background:var(--fog)}
.letter-col{max-width:680px;margin-inline:auto;padding-inline:var(--gutter)}
.letter .lq{
  font-family:var(--serif);font-style:italic;font-weight:400;
  font-size:clamp(1.7rem,3vw,2.4rem);line-height:1.2;
  margin:clamp(40px,6vh,64px) 0 16px;
}
.letter .la{color:var(--ash);font-size:1.0625rem}
.letter .headline+.la{margin-top:clamp(30px,4.5vh,50px)}
.letter .la+.la{margin-top:1.15em}
.letter .la.lead{color:var(--ink);font-size:1.3rem;line-height:1.55}
.letter .la strong{color:var(--ink);font-weight:500}
.letter .sig{
  margin-top:clamp(48px,8vh,80px);display:flex;flex-direction:column;
  align-items:flex-end;gap:8px;
}
.letter .sig-name{
  font-family:var(--serif);font-style:italic;font-weight:400;font-size:2.1rem;line-height:1;
}
.letter .sig .label{color:var(--ash)}

/* ============ CLOSE / CONTACT ============ */
.close-hero{
  min-height:92svh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:clamp(36px,6vh,60px);padding-block:var(--section);
}
.close-hero .display{max-width:14em}
.contact{padding-top:0}
.contact-grid{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);
  gap:clamp(48px,7vw,110px);align-items:start;
  border-top:1px solid rgba(255,255,255,.16);padding-top:clamp(48px,8vh,88px);
}
.chan{list-style:none}
.chan li{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.16)}
.chan .label{color:var(--bone);display:block;margin-bottom:8px}
.chan .val{font-family:var(--serif);font-weight:400;font-size:1.45rem;letter-spacing:.01em;display:block}
.chan .val--addr{font-size:1.15rem;line-height:1.5;max-width:36ch}
.chan .soc{display:flex;flex-wrap:wrap;gap:8px 26px;font-family:var(--serif);font-size:1.3rem}
.chan a{text-decoration:none}
.chan a:hover{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}
.form h3{font-family:var(--serif);font-weight:400;font-size:1.9rem;margin-bottom:10px}
.form > p{color:var(--bone);font-size:.9375rem;margin-bottom:34px;max-width:48ch}
.form .field{margin-bottom:26px}
.form label{
  display:block;font-weight:500;font-size:.6875rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--bone);margin-bottom:10px;
}
.form input,.form textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.35);
  border-radius:0;color:var(--paper);font-family:var(--sans);font-size:1rem;
  padding:10px 2px;transition:border-color .2s;
}
.form input:focus,.form textarea:focus{outline:none;border-bottom:2px solid var(--paper)}
.form textarea{min-height:96px;resize:vertical}
.form .ok{
  display:none;margin-top:18px;color:var(--paper);border:1px solid rgba(255,255,255,.35);
  padding:14px 18px;font-size:.875rem;
}
.form.sent .ok{display:block}
.form .err{
  display:none;margin-top:18px;color:var(--paper);border-left:2px solid var(--paper);
  padding:6px 0 6px 14px;font-size:.875rem;
}
.form .err:not(:empty){display:block}
.form button[disabled]{opacity:.5;cursor:progress}
.form .honey{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-consent{color:var(--ash);font-size:.75rem;margin-top:16px;max-width:48ch}
/* reCAPTCHA: rozet gizli, yerine zorunlu bilgilendirme satırı (Google şartları) */
/* görünmez widget: kutu display:none olmamalı (Google içine render eder), yer de tutmasın */
.grecaptcha-badge{visibility:hidden}
#rcaptcha{line-height:0;font-size:0}
.form-legal{color:var(--ash);font-size:.6875rem;line-height:1.6;margin-top:18px;max-width:44ch}
.form-legal a{color:var(--bone);text-decoration:underline;text-underline-offset:3px}
.form-legal a:hover{color:var(--paper)}
/* blog listesindeki başlıklar yayınlanmışsa bağlantıdır */
.jr-list a.jt{color:inherit;text-decoration:none}
.jr-list a.jt:hover{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}

/* ============ FOOTER ============ */
footer{
  background:var(--black);color:var(--bone);border-top:1px solid rgba(255,255,255,.14);
  padding:clamp(40px,6vh,64px) 0;
}
footer .wrap{display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
footer img{height:52px;width:auto}
footer p{font-size:.8125rem;max-width:52ch}
.foot-text{max-width:52ch}
/* Essente kredisi: monokrom, sessiz; hover'da netleşir */
.foot-credit{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-family:var(--sans);font-weight:500;font-size:.5625rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ash);text-decoration:none;
  transition:color .3s var(--ease);
}
.foot-credit img{
  height:16px;width:16px;filter:grayscale(1) brightness(1.9);opacity:.55;
  transition:opacity .3s var(--ease);
}
.foot-credit:hover{color:var(--bone)}
.foot-credit:hover img{opacity:.9}

/* ============ RESPONSIVE ============ */
@media (max-width:880px){
  nav{height:84px}
  nav .brand img{height:60px}
  nav ul{display:none}
  .nav-m{display:flex}
  .tx-row{grid-template-columns:1fr auto;grid-template-areas:"name toggle" "desc desc";gap:10px 16px}
  .tx-row .name{grid-area:name}
  .tx-row .desc{grid-area:desc}
  .tx-toggle{grid-area:toggle}
  .strata-sticky{grid-template-columns:1fr;gap:28px;align-content:center;padding-top:88px}
  .strata-fig{order:-1;max-width:440px}
  .strata-copy h3{font-size:clamp(2rem,9vw,2.8rem)}
  .us-grid,.contact-grid{grid-template-columns:1fr}
  .jr-rows li{grid-template-columns:1fr;gap:8px}
  .jr-rows .soon{justify-self:start}
  .jr-grid{grid-template-columns:1fr}
  .letter .sig{align-items:flex-start}
  .ig-strip{grid-template-columns:repeat(2,1fr)}
  .hero-pillars{flex-direction:column;gap:10px}
  .hero-pillars li + li{border-left:0}
  .portrait{height:auto}
  .hero-media img{object-position:25% center}
}

/* ============ STATIC / REDUCED MOTION ============ */
@media (prefers-reduced-motion:reduce){
  .hero-media img,.us-beam,.us-vessel,.us-live,.scroll-cue::after{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .strata-copy li,.slayer,.strata-rail i{transition:none}
}
html.static .hero-media img,html.static .us-beam,html.static .us-vessel,
html.static .us-live,html.static .scroll-cue::after{animation:none}
html.static .reveal{opacity:1;transform:none;transition:none}
html.static .strata-copy li,html.static .slayer,html.static .strata-rail i{transition:none}

/* ============ SCROLL TO TOP ============ */
.to-top{
  position:fixed;right:clamp(20px,3vw,36px);bottom:clamp(20px,3vw,36px);z-index:15;
  width:52px;height:52px;display:flex;align-items:center;justify-content:center;
  background:var(--paper);border:1px solid var(--ink);border-radius:0;cursor:pointer;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .4s var(--ease),transform .4s var(--ease),background .2s ease-out;
}
.to-top svg{display:block;stroke:var(--ink);transition:stroke .2s ease-out}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{background:var(--ink)}
.to-top:hover svg{stroke:var(--paper)}
html.static .to-top{transition:none}
@media (prefers-reduced-motion:reduce){.to-top{transition:none}}