/* ZOHAR landing — kinetic hair prototype. RTL-first, logical properties only. */

html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-size:17px;line-height:1.75;overflow-x:clip}

.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:-90px;inset-inline-start:14px;z-index:99;background:var(--z-espresso);color:var(--z-milk);padding:11px 20px;border-radius:12px;font-weight:600;text-decoration:none;transition:top .2s var(--z-ease)}
.skip-link:focus-visible{top:12px}

.z-wrap{width:min(100% - clamp(34px,7vw,64px),1160px);margin-inline:auto}
main{display:block}
a{text-decoration:none}
h1,h2,h3{font-weight:500;letter-spacing:-.01em;line-height:1.28;margin:0 0 .6em}
h2{font-size:clamp(1.65rem,3.6vw,2.6rem)}
p{margin:0 0 1em}

/* ===== top bar ===== */
.z-top{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px clamp(18px,4vw,40px);background:color-mix(in srgb,var(--z-milk) 88%,transparent);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-block-end:1px solid var(--z-milk-line)}
.z-top-brand{display:inline-flex;align-items:center;gap:12px}
.z-top-word{height:26px;width:auto}
.z-top-links{display:flex;gap:6px}
.z-top-links a{padding:9px 14px;border-radius:999px;color:var(--z-ink);font-weight:500;font-size:.95rem;transition:background-color .25s var(--z-ease)}
.z-top-links a:hover{background:rgba(198,162,122,.16)}
.z-top-cta{min-height:44px;padding:0 22px;font-size:.95rem}
@media (max-width:700px){
  .z-top-links{display:none}
  .z-top-word{height:22px}
}

/* ===== hero ===== */
.z-hero{position:relative;min-height:min(92svh,860px);display:grid;place-items:center;overflow:hidden;
  padding-block:clamp(70px,12vh,130px);isolation:isolate}
.z-hero-line{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.z-hero-line .z-path{fill:none;stroke:var(--z-caramel);stroke-width:1.4;opacity:.85}
.z-hero-line .z-tick{fill:none;stroke:var(--z-caramel);stroke-width:1.2;opacity:.8}
.z-hero-inner{display:grid;justify-items:center;text-align:center;gap:8px;padding-inline:20px}
.z-hero-word{width:min(680px,86vw);height:auto;margin-block:18px 8px}
.z-hero-lede{max-width:34em;font-size:clamp(1.05rem,1.7vw,1.3rem);color:var(--z-body-muted)}
.z-hero-ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-block-start:18px}
.z-hero-scroll{position:absolute;inset-block-end:22px;inset-inline-start:50%;translate:50% 0;display:grid;justify-items:center;gap:8px;
  font-size:.78rem;letter-spacing:.28em;color:var(--z-mocha)}
.z-hero-scroll span{display:block;width:1px;height:44px;background:linear-gradient(var(--z-caramel),transparent);animation:z-drop 2.6s var(--z-ease) infinite}
@keyframes z-drop{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media (prefers-reduced-motion:reduce){.z-hero-scroll span{animation:none}}

/* ===== shared section rhythm ===== */
section{position:relative;padding-block:clamp(74px,11vw,130px)}
.z-grid2{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(30px,5vw,70px);align-items:center}
.z-grid2-flip{grid-template-columns:minmax(0,6fr) minmax(0,5fr)}
.z-copy-center{text-align:center;max-width:44em;margin-inline:auto}
.z-caps{color:var(--z-mocha);margin-block-end:14px}
.z-caps-gold{color:var(--z-gold)}
.z-note{font-size:.92rem;color:var(--z-body-muted)}
.z-sec-line{position:absolute;inset-inline:0;inset-block-start:0;width:100%;height:100%;pointer-events:none;z-index:0}
.z-sec-line .z-path{fill:none;stroke:var(--z-gold);stroke-width:1.2;opacity:.5}
.z-sec-line-light .z-path{stroke:var(--z-caramel);opacity:.55}
section>.z-wrap{position:relative;z-index:1}

/* ===== problem ===== */
.z-problem{background:linear-gradient(var(--z-milk),#EDE2D6)}
.z-chaos{margin:0}
.z-chaos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;transform:rotate(-1.6deg)}
.z-chaos-grid span{aspect-ratio:4/5;border-radius:6px;background-image:var(--i);background-size:230%;background-position:var(--p);filter:var(--f);opacity:.92}
.z-chaos-grid span:nth-child(2){translate:0 8px}
.z-chaos-grid span:nth-child(5){translate:0 -6px}
.z-chaos figcaption{margin-block-start:14px;font-size:.85rem;color:var(--z-body-muted);text-align:center}

/* ===== mark & line ===== */
.z-markline{overflow:hidden}
.z-mark-row{display:grid;grid-template-columns:1fr 1.5fr 1fr;gap:clamp(18px,4vw,44px);align-items:end;margin-block-start:clamp(36px,6vw,64px)}
.z-mark-cell{margin:0;display:grid;justify-items:center;gap:16px;padding:clamp(22px,4vw,40px);border:1px solid var(--z-dark-line);border-radius:var(--z-r)}
.z-mark-cell img{height:clamp(90px,13vw,160px);width:auto}
.z-mark-cell figcaption{font-size:.88rem;color:rgba(242,233,225,.72)}
.z-fiber-demo{display:grid;gap:26px;width:100%;padding-block:24px}
.z-fiber-demo i{display:block;height:1px;background:var(--z-gold);transform:rotate(calc(var(--z-angle) - 90deg + 36.3deg));transform-origin:center}
.z-fiber-demo i:nth-child(1){width:82%;margin-inline-start:auto}
.z-fiber-demo i:nth-child(2){width:64%;margin-inline:auto}
.z-fiber-demo i:nth-child(3){width:82%}

/* ===== material ===== */
.z-material-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr) minmax(0,1fr);gap:clamp(16px,3vw,30px);align-items:stretch;margin-block-start:clamp(30px,5vw,54px)}
.z-material-photo{margin:0;border-radius:var(--z-r);overflow:hidden}
.z-material-photo img{width:100%;height:100%;object-fit:cover}
.z-swatches{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.z-swatches li{display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--c);color:var(--t);
  border-radius:14px;padding:16px 20px;min-height:64px}
.z-swatches b{font-family:var(--z-display);font-weight:400;letter-spacing:.1em;font-size:.85rem}
.z-swatches span{font-size:.95rem}
.z-type-lines{margin-block-start:clamp(34px,6vw,60px);text-align:center;display:grid;gap:6px}
.z-type-vonca{font-family:var(--z-display);font-weight:300;font-size:clamp(1.5rem,3.4vw,2.5rem);letter-spacing:.12em;margin:0}
.z-type-agol{font-size:clamp(1.05rem,2vw,1.35rem);color:var(--z-mocha);margin:0}

/* ===== feed peek ===== */
.z-feedpeek-strip{margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.z-feedpeek-strip img{border-radius:10px;width:100%;height:auto}

/* ===== process ===== */
.z-process{background:linear-gradient(#EDE2D6,var(--z-milk))}
.z-steps{list-style:none;counter-reset:zs;margin:clamp(30px,5vw,56px) 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2.5vw,26px)}
.z-steps li{counter-increment:zs;background:#fff;border:1px solid var(--z-milk-line);border-radius:var(--z-r);padding:26px 22px;display:grid;gap:8px;align-content:start}
.z-steps li::before{content:"0" counter(zs);font-family:var(--z-display);font-weight:300;letter-spacing:.2em;color:var(--z-caramel);font-size:.95rem}
.z-steps b{font-size:1.12rem;font-weight:600}
.z-steps span{font-size:.95rem;color:var(--z-body-muted)}

/* ===== before / after ===== */
.z-ba{margin-block-start:clamp(28px,5vw,50px)}
.z-ba-stage{position:relative;border-radius:var(--z-r);overflow:hidden;aspect-ratio:16/9;box-shadow:0 24px 60px rgba(58,42,38,.18)}
.z-ba-after,.z-ba-before{position:absolute;inset:0}
.z-ba-before{clip-path:inset(0 0 0 var(--cut,50%))}
.z-ba-side{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:18px;padding:24px}
.z-ba-side-after{background:var(--z-espresso)}
.z-ba-side-after img:first-child{width:min(300px,46%);height:auto}
.z-ba-after-caps{font-family:var(--z-display);font-weight:400;letter-spacing:.4em;font-size:.7rem;color:var(--z-gold);margin:0}
.z-ba-side-before{background:#DCCDBC}
.z-ba-photo{border-radius:8px}
.z-ba-photo-a{position:absolute;width:44%;inset-block-start:8%;inset-inline-start:10%;rotate:-6deg;filter:saturate(1.5) contrast(.9)}
.z-ba-photo-b{position:absolute;width:38%;inset-block-end:6%;inset-inline-end:12%;rotate:4deg;filter:sepia(.4)}
.z-ba-chip{position:absolute;z-index:2;font-weight:800;font-size:clamp(.9rem,2vw,1.3rem);letter-spacing:.06em;background:#B3452F;color:#fff;
  padding:.35em .8em;border-radius:6px;rotate:var(--r);inset-block-start:16%;inset-inline-end:18%}
.z-ba-chip-b{background:#2E5C43;inset-block-start:auto;inset-block-end:22%;inset-inline-end:auto;inset-inline-start:20%}
.z-ba-handle{position:absolute;inset-block:0;left:var(--cut,50%);translate:-50% 0;width:2px;background:var(--z-milk);box-shadow:0 0 0 1px rgba(58,42,38,.25)}
.z-ba-handle span{position:absolute;top:50%;left:50%;translate:-50% -50%;width:44px;height:44px;border-radius:50%;
  background:var(--z-milk);box-shadow:0 6px 18px rgba(58,42,38,.3);display:grid;place-items:center}
.z-ba-handle span::before{content:"⇄";color:var(--z-espresso);font-size:1.1rem}
.z-ba-label{display:block;margin-block-start:18px;font-size:.95rem;color:var(--z-body-muted);text-align:center}
.z-ba input[type="range"]{width:100%;margin-block-start:10px;accent-color:var(--z-espresso);height:34px}
.z-ba-legends{display:flex;justify-content:space-between;font-size:.85rem;color:var(--z-mocha)}

/* ===== join ===== */
.z-join{background:var(--z-espresso)}
.z-form{display:grid;gap:16px;background:rgba(242,233,225,.05);border:1px solid var(--z-dark-line);border-radius:var(--z-r);padding:clamp(24px,4vw,40px)}
.z-field{display:grid;gap:8px}
.z-field label{font-size:.95rem;font-weight:500;color:rgba(242,233,225,.85)}
.z-field input,.z-field textarea{background:rgba(242,233,225,.06);border:1px solid rgba(242,233,225,.28);border-radius:12px;
  color:var(--z-milk);padding:13px 16px;min-height:48px;text-align:start;resize:vertical}
.z-field input:focus-visible,.z-field textarea:focus-visible{outline:3px solid var(--z-gold);outline-offset:2px}
.z-btn-milk{background:var(--z-milk);color:var(--z-espresso)}
.z-form-status{min-height:1.4em;margin:0;font-weight:600;color:var(--z-gold)}
.z-form-note{margin:0;font-size:.83rem;color:rgba(242,233,225,.55)}

/* ===== footer ===== */
.z-foot{display:grid;justify-items:center;gap:10px;padding:clamp(44px,7vw,70px) 20px;border-block-start:1px solid var(--z-milk-line);text-align:center}
.z-foot .z-caps{margin:0}
.z-foot-line{margin:0;font-size:.9rem;color:var(--z-body-muted)}

/* ===== path draw-on-scroll ===== */
.z-path[data-len]{stroke-dasharray:var(--len);stroke-dashoffset:calc(var(--len) * (1 - var(--draw,0)));transition:stroke-dashoffset .18s linear}
@media (prefers-reduced-motion:reduce){.z-path[data-len]{stroke-dashoffset:0 !important;transition:none}}

/* ===== responsive ===== */
@media (max-width:960px){
  .z-grid2,.z-grid2-flip{grid-template-columns:1fr;gap:34px}
  .z-material-grid{grid-template-columns:1fr 1fr}
  .z-material-photo-b{display:none}
  .z-steps{grid-template-columns:1fr 1fr}
  .z-mark-row{grid-template-columns:1fr;gap:16px}
  .z-mark-cell-wide img{height:clamp(120px,22vw,180px)}
  .z-ba-stage{aspect-ratio:4/3}
}
@media (max-width:560px){
  body{font-size:16px}
  .z-material-grid{grid-template-columns:1fr}
  .z-steps{grid-template-columns:1fr}
  .z-hero{min-height:88svh}
  .z-ba-stage{aspect-ratio:3/4}
  .z-ba-side-after img:first-child{width:64%}
  .z-feedpeek-strip{gap:7px}
  .z-top-cta{padding:0 16px}
}