/* Daniel Cohen — landing prototype. Atelier editorial: hairlines, narrow display,
   square corners, cut-grid. RTL-first, logical properties. */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--dc-cream);color:var(--dc-ink);font-family:var(--dc-body);line-height:1.7;overflow-x:clip}
img{max-width:100%;display:block}
.wrap{width:min(100% - clamp(36px,7vw,64px),1180px);margin-inline:auto}
h1,h2,h3{font-family:var(--dc-display);font-weight:700;line-height:1.04;letter-spacing:.01em}
:focus-visible{outline:2px solid var(--dc-ink);outline-offset:3px}

.skip{position:fixed;top:-80px;inset-inline-start:14px;z-index:90;background:var(--dc-ink);color:var(--dc-cream);padding:10px 18px;font-size:14px;text-decoration:none;transition:top .2s}
.skip:focus-visible{top:12px}

/* ── nav ─────────────────────────────── */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:14px clamp(18px,4vw,40px);background:color-mix(in srgb,var(--dc-cream) 88%,transparent);
  backdrop-filter:blur(10px);border-block-end:1px solid var(--dc-line)}
.nav-brand img{width:clamp(150px,18vw,200px);height:auto}
.nav-links{display:flex;gap:clamp(18px,3vw,36px)}
.nav-links a{color:var(--dc-ink);text-decoration:none;font-size:15px;letter-spacing:.06em;padding:10px 2px;position:relative}
.nav-links a::after{content:"";position:absolute;inset-inline:0;bottom:4px;height:1px;background:var(--dc-ink);transform:scaleX(0);transition:transform .3s;transform-origin:center}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-side{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:1px solid var(--dc-line);color:var(--dc-ink);inline-size:44px;block-size:44px;cursor:pointer;align-items:center;justify-content:center}

.btn-line{display:inline-flex;align-items:center;min-height:46px;padding:0 22px;border:1px solid var(--dc-ink);color:var(--dc-ink);
  text-decoration:none;font-size:15px;letter-spacing:.08em;transition:background .25s,color .25s}
.btn-line:hover{background:var(--dc-ink);color:var(--dc-cream)}
.btn-solid{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 30px;background:var(--dc-ink);
  color:var(--dc-cream);border:1px solid var(--dc-ink);text-decoration:none;font-family:var(--dc-body);font-size:15px;letter-spacing:.08em;cursor:pointer;
  transition:background .25s,color .25s}
.btn-solid:hover{background:transparent;color:var(--dc-ink)}
.btn-quiet{display:inline-flex;align-items:center;gap:8px;min-height:50px;color:var(--dc-ink);text-decoration:none;font-size:15px;letter-spacing:.06em;border-block-end:1px solid transparent}
.btn-quiet:hover{border-color:var(--dc-ink)}

/* ── hero ─────────────────────────────── */
.hero{position:relative;border-block-end:1px solid var(--dc-line)}
.hero-grid{position:absolute;inset:0;opacity:.55;pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(28px,5vw,72px);
  width:min(100% - clamp(36px,7vw,64px),1180px);margin-inline:auto;padding-block:clamp(48px,8vh,110px)}
.hero-copy{position:relative;padding-inline-start:clamp(0px,2vw,18px)}
.hero-eyebrow{margin-block-end:clamp(18px,3vh,30px)}
.hero h1{font-size:clamp(64px,11vw,148px);line-height:.96}
.hero-sub{max-width:44ch;margin-block-start:clamp(20px,3vh,30px);font-size:clamp(15px,1.35vw,17px);color:var(--dc-ink-soft)}
.hero-cta-row{display:flex;flex-wrap:wrap;gap:14px 22px;margin-block-start:clamp(24px,4vh,40px)}
.hero-media{position:relative;border:1px solid var(--dc-line);background:var(--dc-linen)}
.hero-media>img{aspect-ratio:4/3.4;object-fit:cover;width:100%}
.hero-media-tag{position:absolute;inset-inline-end:-1px;bottom:-1px;display:flex;align-items:center;gap:12px;
  background:var(--dc-cream);border:1px solid var(--dc-line);padding:10px 16px}
.hero-media-tag span{font-size:11px;letter-spacing:var(--dc-track);color:var(--dc-taupe);text-transform:uppercase}
.hero-media-tag img{width:34px;height:auto}
.hero-strip{display:flex;gap:26px;align-items:center;overflow:hidden;white-space:nowrap;border-block-start:1px solid var(--dc-line);
  padding-block:13px;color:var(--dc-taupe);font-size:12px;letter-spacing:var(--dc-track-wide);justify-content:center}
.hero-strip i{inline-size:44px;block-size:1px;background:var(--dc-taupe-soft);flex:none}

/* ── about ─────────────────────────────── */
.about{padding-block:clamp(64px,11vh,130px)}
.about-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(30px,6vw,90px);align-items:center}
.about-media{border:1px solid var(--dc-line)}
.about-media img{aspect-ratio:4/3;object-fit:cover}
.about-copy h2{font-size:clamp(38px,5.2vw,64px);margin-block:14px 22px}
.about-copy p{max-width:52ch;color:var(--dc-ink-soft);margin-block-end:14px}

/* ── process ─────────────────────────────── */
.process{background:var(--dc-linen);border-block:1px solid var(--dc-line);padding-block:clamp(64px,11vh,130px)}
.process-head h2{font-size:clamp(32px,4.6vw,56px);margin-block-start:14px;max-width:20ch}
.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-block-start:clamp(30px,5vh,52px);border:1px solid var(--dc-line);background:var(--dc-cream)}
.step{appearance:none;background:none;border:0;border-inline-end:1px solid var(--dc-line);padding:18px 16px 16px;cursor:pointer;
  display:grid;gap:6px;justify-items:start;text-align:start;color:var(--dc-ink);min-height:44px}
.step:last-child{border-inline-end:0}
.step-no{font-family:var(--dc-display);font-weight:400;font-size:15px;color:var(--dc-taupe);letter-spacing:.12em}
.step-name{font-family:var(--dc-body);font-size:clamp(13px,1.4vw,16px)}
.step[aria-selected="true"]{background:var(--dc-ink);color:var(--dc-cream)}
.step[aria-selected="true"] .step-no{color:var(--dc-stone)}
.panel{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--dc-line);border-block-start:0;background:var(--dc-cream)}
.panel[hidden]{display:none}
.panel-copy{padding:clamp(24px,4vw,56px);display:grid;align-content:center;gap:14px}
.panel-copy h3{font-size:clamp(24px,3vw,36px)}
.panel-copy p{max-width:46ch;color:var(--dc-ink-soft)}
.panel figure{border-inline-start:1px solid var(--dc-line)}
.panel img{block-size:100%;inline-size:100%;object-fit:cover;aspect-ratio:16/10;min-block-size:100%}

/* ── materials viewer ─────────────────────────────── */
.materials{padding-block:clamp(64px,11vh,130px)}
.materials-head{display:grid;gap:10px;max-width:56ch}
.materials-head h2{font-size:clamp(32px,4.6vw,56px)}
.materials-sub{color:var(--dc-ink-soft)}
.viewer{display:grid;grid-template-columns:1fr clamp(84px,10vw,120px);gap:clamp(14px,2vw,24px);margin-block-start:clamp(28px,4vh,44px)}
.viewer-stage{border:1px solid var(--dc-line);background:var(--dc-linen)}
.viewer-stage img{inline-size:100%;aspect-ratio:16/10.4;object-fit:cover}
.viewer-thumbs{display:grid;gap:clamp(10px,1.4vw,16px);align-content:start}
.thumb{appearance:none;border:1px solid var(--dc-line);background:none;padding:0;cursor:pointer;opacity:.62;transition:opacity .25s;min-inline-size:44px;min-block-size:44px}
.thumb img{aspect-ratio:1;object-fit:cover}
.thumb.is-on,.thumb:hover{opacity:1}
.thumb.is-on{border-color:var(--dc-ink)}

/* ── faq ─────────────────────────────── */
.faq{background:var(--dc-white);border-block:1px solid var(--dc-line);padding-block:clamp(64px,11vh,130px)}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,6vw,90px);align-items:start}
.faq-head h2{font-size:clamp(30px,4vw,48px);margin-block-start:14px;max-width:14ch}
.faq-mark{margin-block-start:clamp(24px,5vh,46px);opacity:.5;width:clamp(90px,10vw,150px)}
.faq-list details{border-block-end:1px solid var(--dc-line)}
.faq-list details:first-child{border-block-start:1px solid var(--dc-line)}
.faq-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;cursor:pointer;
  padding-block:20px;font-family:var(--dc-body);font-weight:700;font-size:clamp(16px,1.6vw,19px);min-height:44px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-x{position:relative;inline-size:16px;block-size:16px;flex:none}
.faq-x::before,.faq-x::after{content:"";position:absolute;background:var(--dc-taupe);inset-inline-start:0;top:50%;inline-size:16px;block-size:1px;transition:transform .3s}
.faq-x::after{transform:rotate(90deg)}
details[open] .faq-x::after{transform:rotate(0deg)}
.faq-list p{padding-block:0 22px;max-width:56ch;color:var(--dc-ink-soft)}

/* ── appointment ─────────────────────────────── */
.appointment{padding-block:clamp(64px,11vh,130px)}
.app-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,6vw,90px);align-items:stretch}
.app-copy h2{font-size:clamp(40px,6vw,72px);margin-block:14px 16px}
.app-copy>p{color:var(--dc-ink-soft);max-width:44ch}
.app-form{display:grid;gap:18px;margin-block-start:clamp(24px,4vh,36px);max-width:460px}
.field{display:grid;gap:8px}
.field label{font-size:13px;letter-spacing:.1em;color:var(--dc-taupe)}
.field input,.field select{border:1px solid var(--dc-line);background:var(--dc-cream);padding:13px 14px;font:inherit;color:var(--dc-ink);
  border-radius:0;min-height:48px;text-align:start}
.field input:focus-visible,.field select:focus-visible{outline:2px solid var(--dc-ink);outline-offset:1px;border-color:var(--dc-ink)}
.form-note{font-size:14px;color:var(--dc-taupe);min-height:1.4em}
.app-media{border:1px solid var(--dc-line)}
.app-media img{block-size:100%;object-fit:cover;min-block-size:320px}

/* ── footer ─────────────────────────────── */
.foot{background:var(--dc-ink);color:var(--dc-cream);padding-block:clamp(44px,8vh,80px)}
.foot-inner{display:grid;justify-items:center;gap:16px;text-align:center}
.foot-lockup{width:clamp(120px,13vw,160px)}
.foot-line{font-size:13px;letter-spacing:var(--dc-track);color:var(--dc-stone)}
.foot-note{font-size:12px;color:color-mix(in srgb,var(--dc-cream) 55%,transparent)}

/* ── responsive ─────────────────────────────── */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;padding-block:clamp(36px,6vh,60px)}
  .hero h1{font-size:clamp(64px,15vw,110px)}
  .about-grid,.faq-grid,.app-grid{grid-template-columns:1fr}
  .panel{grid-template-columns:1fr}
  .panel figure{border-inline-start:0;border-block-start:1px solid var(--dc-line)}
  .panel img{min-block-size:0}
  .viewer{grid-template-columns:1fr}
  .viewer-thumbs{grid-template-columns:repeat(5,minmax(44px,1fr))}
  .about-media{order:2}
  .faq-mark{display:none}
}
@media (max-width:760px){
  .nav-links{position:fixed;inset-inline:0;top:73px;background:var(--dc-cream);display:none;flex-direction:column;gap:0;
    border-block-end:1px solid var(--dc-line);padding:8px 22px 18px;z-index:49}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 2px;border-block-end:1px solid var(--dc-line-soft);min-height:44px}
  .nav-links a:last-child{border-block-end:0}
  .nav-toggle{display:inline-flex}
  .btn-line{display:none}
  .hero-strip{gap:16px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2){border-inline-end:0}
  .step:nth-child(-n+2){border-block-end:1px solid var(--dc-line)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}