/* ==========================================================================
   ZIVA BEAUTY — CORE DESIGN SYSTEM
   Deep charcoal / warm ivory / champagne / nude / blush / gold editorial palette.
   ========================================================================== */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400;1,500&family=Playfair+Display:ital,wght@0,500;0,600;1,500&family=Inter:wght@300;400;500;600&display=swap');

/* ---------- Tokens ---------- */
:root{
  /* palette */
  --ink:#1a1613;
  --ink-soft:#2b2420;
  --ivory:#f6f1e8;
  --ivory-deep:#efe7d8;
  --paper:#fbf8f2;
  --champagne:#dcc39c;
  --champagne-deep:#c9a877;
  --nude:#cba98d;
  --blush:#f0d7cc;
  --blush-deep:#d99e85;
  --gold:#b28a55;
  --gold-bright:#d4af7a;
  --line:rgba(26,22,19,0.12);
  --line-light:rgba(246,241,232,0.18);

  /* surfaces per-theme (light default) */
  --bg:var(--ivory);
  --surface:var(--paper);
  --text:var(--ink);
  --text-soft:rgba(26,22,19,0.62);
  --accent:var(--gold);

  /* type */
  --serif:'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --display:'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --sans:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* fluid type scale */
  --fs-hero: clamp(3.2rem, 9vw, 8.5rem);
  --fs-h1: clamp(2.6rem, 6vw, 5rem);
  --fs-h2: clamp(2rem, 4.4vw, 3.4rem);
  --fs-h3: clamp(1.4rem, 2.4vw, 1.9rem);
  --fs-lead: clamp(1.05rem, 1.6vw, 1.4rem);
  --fs-body: 1rem;
  --fs-small: 0.82rem;
  --fs-label: 0.76rem;

  /* spacing */
  --space-section: clamp(5rem, 12vw, 10rem);
  --space-xl: clamp(3rem, 6vw, 6rem);
  --gutter: clamp(1.5rem, 5vw, 4rem);
  --container: 1440px;
  --radius: 2px;

  /* motion */
  --ease: cubic-bezier(.16,.84,.32,1);
  --ease-soft: cubic-bezier(.22,.61,.36,1);
  --dur-fast: .4s;
  --dur: .8s;
  --dur-slow: 1.4s;

  --nav-h: 96px;
}

/* dark section theme token overrides */
.theme-dark{
  --bg:var(--ink);
  --surface:var(--ink-soft);
  --text:var(--ivory);
  --text-soft:rgba(246,241,232,0.62);
  --line:rgba(246,241,232,0.14);
  --accent:var(--gold-bright);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:auto;}
body{margin:0;}
img,svg,video,canvas{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p,figure{margin:0;}

html{
  font-size:16px;
}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:var(--fs-body);
  font-weight:300;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .6s var(--ease), color .6s var(--ease);
}
body.no-scroll{overflow:hidden;}

::selection{background:var(--ink);color:var(--ivory);}
.theme-dark ::selection{background:var(--gold-bright);color:var(--ink);}

:focus-visible{
  outline:1px solid var(--accent);
  outline-offset:4px;
}

/* ---------- Typography ---------- */
.display, h1, h2, .h1, .h2{
  font-family:var(--serif);
  font-weight:400;
  letter-spacing:-0.01em;
  line-height:0.98;
  text-transform:uppercase;
}
.hero-type{font-size:var(--fs-hero);}
h1,.h1{font-size:var(--fs-h1);}
h2,.h2{font-size:var(--fs-h2);}
h3,.h3{font-family:var(--serif);font-size:var(--fs-h3);font-weight:400;letter-spacing:0.01em;line-height:1.15;}

.lead{font-family:var(--serif);font-size:var(--fs-lead);font-weight:400;font-style:italic;color:var(--text-soft);line-height:1.4;}

.eyebrow{
  font-family:var(--sans);
  font-size:var(--fs-label);
  letter-spacing:0.28em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:.7em;
}
.eyebrow::before{
  content:'';
  width:28px;height:1px;
  background:currentColor;
  display:inline-block;
}

.body-copy{max-width:52ch;color:var(--text-soft);font-weight:300;}
.body-copy.wide{max-width:70ch;}

.italic{font-style:italic;font-family:var(--serif);}

/* ---------- Layout ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{
  position:relative;
  padding-block:var(--space-section);
}
.section-tight{padding-block:calc(var(--space-section) * .6);}

.grid{display:grid;gap:var(--gutter);}
.g-2{grid-template-columns:repeat(2,1fr);}
.g-12{grid-template-columns:repeat(12,1fr);}

@media (max-width:900px){
  .g-2{grid-template-columns:1fr;}
}

.visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

.skip-link{
  position:fixed;top:-100px;left:1rem;z-index:9999;
  background:var(--ink);color:var(--ivory);
  padding:.9rem 1.4rem;font-size:.85rem;letter-spacing:.08em;
  transition:top .3s var(--ease);
}
.skip-link:focus{top:1rem;}

/* ---------- Buttons ---------- */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:.9rem;
  padding:1.15rem 2.2rem;
  font-family:var(--sans);
  font-size:.76rem;
  font-weight:500;
  letter-spacing:.2em;
  text-transform:uppercase;
  border:1px solid currentColor;
  overflow:hidden;
  isolation:isolate;
  white-space:nowrap;
}
.btn::before{
  content:'';
  position:absolute;inset:0;
  background:currentColor;
  transform:translateX(-101%);
  transition:transform .55s var(--ease);
  z-index:-1;
}
.btn:hover::before, .btn:focus-visible::before{transform:translateX(0);}
.btn-primary{color:var(--text);}
.btn-primary span{transition:color .4s var(--ease);}
.btn-primary:hover span, .btn-primary:focus-visible span{color:var(--bg);}
.btn-ghost{color:var(--text-soft);border-color:var(--line);}
.btn-ghost:hover{color:var(--text);}
.btn-arrow{transition:transform .5s var(--ease);}
.btn:hover .btn-arrow{transform:translateX(6px);}

.btn-gold{
  color:var(--ink);
  background:linear-gradient(120deg,var(--champagne-deep),var(--gold-bright));
  border-color:transparent;
}
.btn-gold::before{background:var(--ink);}
.btn-gold span{transition:color .4s var(--ease);}
.btn-gold:hover span{color:var(--ivory);}

.btn-row{display:flex;flex-wrap:wrap;gap:1.1rem;}

/* ---------- Navigation ---------- */
.site-nav{
  position:fixed;top:0;left:0;right:0;
  z-index:500;
  height:var(--nav-h);
  display:flex;align-items:center;
  padding-inline:var(--gutter);
  transition:height .5s var(--ease), background .5s var(--ease), border-color .5s var(--ease), backdrop-filter .5s var(--ease);
  /* always a light scrim (not theme-tokened) so nav text stays legible over both
     light and dark section content sitting underneath the fixed bar */
  background:color-mix(in srgb, var(--paper) 46%, transparent);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
}
.site-nav.is-scrolled{
  height:72px;
  background:color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.site-nav .nav-links a,
.site-nav .nav-logo{color:var(--ink);}
.nav-inner{
  width:100%;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:2rem;
}
.nav-logo{
  justify-self:start;
  display:flex;align-items:center;gap:.7rem;
  height:44px;
}
.nav-logo img{height:100%;width:auto;}

.nav-links{
  justify-self:center;
  display:flex;
  align-items:center;
  gap:clamp(1.4rem,2.6vw,2.6rem);
}
.nav-links a{
  position:relative;
  font-size:.72rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--text);
  padding-bottom:6px;
  opacity:.82;
}
.nav-links a::after{
  content:'';
  position:absolute;left:0;bottom:0;
  width:0;height:1px;
  background:var(--accent);
  transition:width .45s var(--ease);
}
.nav-links a:hover,.nav-links a[aria-current="page"]{opacity:1;}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{width:100%;}

.nav-cta{justify-self:end;display:flex;align-items:center;gap:1.4rem;}
.nav-cta .btn{padding:.85rem 1.5rem;font-size:.68rem;}

.nav-burger{
  display:none;
  width:44px;height:44px;
  position:relative;
  justify-self:end;
  z-index:600;
}
.nav-burger span{
  position:absolute;left:8px;right:8px;height:1px;background:var(--ink);
  transition:transform .4s var(--ease), opacity .3s var(--ease), background .3s;
}
.nav-burger span:nth-child(1){top:17px;}
.nav-burger span:nth-child(2){top:23px;}
.nav-burger span:nth-child(3){top:29px;}
body.menu-open .nav-burger span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.menu-open .nav-burger span:nth-child(2){opacity:0;}
body.menu-open .nav-burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-menu{
  position:fixed;inset:0;
  background:var(--ink);
  color:var(--ivory);
  z-index:450;
  display:flex;flex-direction:column;
  justify-content:center;
  padding:8vh var(--gutter) 6vh;
  clip-path:circle(2% at calc(100% - 40px) 44px);
  transition:clip-path .7s var(--ease);
  pointer-events:none;
}
body.menu-open .mobile-menu{
  clip-path:circle(150% at calc(100% - 40px) 44px);
  pointer-events:auto;
}
.mobile-menu-links{display:flex;flex-direction:column;gap:.4rem;}
.mobile-menu-links a{
  font-family:var(--serif);
  font-size:clamp(2.4rem,10vw,4rem);
  text-transform:uppercase;
  line-height:1.15;
  opacity:0;
  transform:translateY(30px);
  transition:opacity .5s var(--ease), transform .5s var(--ease);
}
body.menu-open .mobile-menu-links a{opacity:1;transform:translateY(0);}
.mobile-menu-links a:nth-child(1){transition-delay:.1s;}
.mobile-menu-links a:nth-child(2){transition-delay:.16s;}
.mobile-menu-links a:nth-child(3){transition-delay:.22s;}
.mobile-menu-links a:nth-child(4){transition-delay:.28s;}
.mobile-menu-links a:nth-child(5){transition-delay:.34s;}
.mobile-menu-foot{
  margin-top:3rem;display:flex;flex-direction:column;gap:1.4rem;
  opacity:0;transition:opacity .6s var(--ease) .4s;
}
body.menu-open .mobile-menu-foot{opacity:1;}
.mobile-menu-foot .btn-gold{align-self:flex-start;}

@media (max-width:980px){
  .nav-links{display:none;}
  .nav-burger{display:block;}
  .nav-inner{grid-template-columns:1fr auto;}
}
@media (max-width:560px){
  .nav-cta .btn{display:none;}
}

/* ---------- Cursor ---------- */
.cursor-dot,.cursor-ring{
  position:fixed;top:0;left:0;
  border-radius:50%;
  pointer-events:none;
  z-index:9000;
  transform:translate(-50%,-50%);
  mix-blend-mode:difference;
}
.cursor-dot{width:6px;height:6px;background:var(--ivory);transition:opacity .3s;}
.cursor-ring{
  width:36px;height:36px;
  border:1px solid var(--ivory);
  transition:width .35s var(--ease),height .35s var(--ease),opacity .3s,border-color .3s;
}
body.cursor-hover .cursor-ring{width:64px;height:64px;background:rgba(255,255,255,0.06);}
@media (hover:none), (pointer:coarse){
  .cursor-dot,.cursor-ring{display:none;}
}
html.has-custom-cursor, html.has-custom-cursor a, html.has-custom-cursor button{cursor:none;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:var(--ivory);
  padding-block:var(--space-xl) 2.2rem;
  position:relative;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:3rem;
  padding-bottom:var(--space-xl);
  border-bottom:1px solid rgba(246,241,232,0.14);
}
.footer-brand .footer-logo{height:52px;width:auto;margin-bottom:1.4rem;filter:brightness(0) invert(1);}
.footer-tagline{font-family:var(--serif);font-style:italic;font-size:1.1rem;color:rgba(246,241,232,.7);letter-spacing:.02em;}
.footer-col h4{font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-bright);margin-bottom:1.3rem;}
.footer-col ul{display:flex;flex-direction:column;gap:.75rem;}
.footer-col a,.footer-col p{font-size:.88rem;color:rgba(246,241,232,.72);}
.footer-col a:hover{color:var(--ivory);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:2.2rem;flex-wrap:wrap;gap:1rem;
  font-size:.75rem;letter-spacing:.04em;color:rgba(246,241,232,.5);
}
.footer-legal{display:flex;gap:1.6rem;flex-wrap:wrap;}

@media (max-width:900px){
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .footer-top{grid-template-columns:1fr;}
}

/* ---------- 3D / canvas stages ---------- */
.stage{position:absolute;inset:0;z-index:0;}
.stage canvas{display:block;width:100%!important;height:100%!important;}
.stage-fallback{
  position:absolute;inset:0;
  background:radial-gradient(60% 60% at 50% 40%, var(--blush) 0%, transparent 70%);
  opacity:.6;
}

/* generic organic blob / gradient-mesh placeholder visuals (used instead of stock photography) */
.mesh{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(45% 55% at 20% 25%, rgba(220,195,156,.55), transparent 60%),
    radial-gradient(50% 60% at 85% 20%, rgba(217,158,133,.45), transparent 65%),
    radial-gradient(60% 60% at 60% 90%, rgba(203,169,141,.4), transparent 70%),
    var(--paper);
}
.mesh-dark{
  background:
    radial-gradient(45% 55% at 25% 20%, rgba(178,138,85,.35), transparent 60%),
    radial-gradient(55% 55% at 85% 30%, rgba(217,175,122,.22), transparent 65%),
    radial-gradient(60% 60% at 50% 95%, rgba(26,22,19,0), transparent 70%),
    var(--ink);
}
.grain::after{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.placeholder-tile{
  position:relative;
  display:flex;align-items:flex-end;
  min-height:260px;
  border:1px solid var(--line);
  overflow:hidden;
}
.placeholder-tile .tag{
  position:relative;z-index:1;
  padding:1.1rem 1.3rem;
  font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-soft);
}

/* ---------- 3D logo component (CSS 3D) ---------- */
.logo3d-scene{
  perspective:1400px;
  display:inline-block;
}
.logo3d{
  position:relative;
  transform-style:preserve-3d;
  transition:transform .6s var(--ease-soft);
  will-change:transform;
}
.logo3d-layer{
  display:block;
  transform-style:preserve-3d;
}
.logo3d-shadow{
  position:absolute;left:8%;right:8%;bottom:-10%;
  height:22%;
  background:radial-gradient(closest-side, rgba(0,0,0,.35), transparent 75%);
  transform:translateZ(-40px) rotateX(90deg) scale(1,.5);
  filter:blur(6px);
  opacity:.5;
}
.logo3d-sheen{
  position:absolute;inset:-6%;
  background:linear-gradient(115deg, transparent 30%, rgba(255,255,255,.75) 47%, transparent 64%);
  mix-blend-mode:soft-light;
  transform:translateZ(2px);
  background-size:260% 260%;
  background-position:120% -20%;
  opacity:0;
  pointer-events:none;
}
.logo3d.is-lit .logo3d-sheen{
  animation:sheenSweep 2.6s var(--ease-soft) both;
}
@keyframes sheenSweep{
  0%{opacity:0;background-position:130% -30%;}
  35%{opacity:.9;}
  70%{opacity:.5;}
  100%{opacity:0;background-position:-40% 60%;}
}

/* size + tone variants used across pages */
.logo3d img{height:64px;width:auto;filter:drop-shadow(0 18px 30px rgba(26,22,19,.18));}
.logo3d--hero img{height:min(30vh,240px);}
.logo3d--emboss img{filter:drop-shadow(0 1px 0 rgba(255,255,255,.6)) drop-shadow(0 14px 24px rgba(26,22,19,.28));}
.logo3d--glass{padding:2.2rem;background:linear-gradient(155deg, rgba(255,255,255,.14), rgba(255,255,255,.02));backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.16);border-radius:4px;}
.logo3d--liquid img{filter:drop-shadow(0 22px 34px rgba(217,158,133,.35));}
.logo3d--scientific img{filter:drop-shadow(0 0 26px rgba(212,175,122,.45)) brightness(1.08);}
.logo3d--watermark{opacity:.08;}
.logo3d--watermark img{height:min(46vw,620px);}
.logo3d--minimal img{height:40px;}
.theme-dark .logo3d img{filter:brightness(0) invert(1) drop-shadow(0 10px 24px rgba(0,0,0,.5));}
.theme-dark .logo3d--scientific img{filter:brightness(0) invert(1) drop-shadow(0 0 30px rgba(212,175,122,.55));}

/* ---------- Forms ---------- */
.field{
  position:relative;
  margin-bottom:2.1rem;
}
.field label{
  display:block;
  font-size:.72rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--text-soft);
  margin-bottom:.7rem;
}
.field input,.field select,.field textarea{
  width:100%;
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  padding:.75rem 0;
  font-family:var(--serif);
  font-size:1.15rem;
  color:var(--text);
  transition:border-color .4s var(--ease);
}
.field textarea{resize:vertical;min-height:100px;font-family:var(--sans);font-size:1rem;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent);
  outline:none;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:0 2.2rem;}
@media (max-width:640px){.field-row{grid-template-columns:1fr;}}

.check-row{display:flex;align-items:flex-start;gap:.8rem;margin-bottom:2rem;}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--gold);}
.check-row label{font-size:.82rem;color:var(--text-soft);letter-spacing:0;text-transform:none;}

.form-status{font-size:.85rem;margin-top:1rem;min-height:1.2em;}
.form-status[data-state="success"]{color:#7a9a7a;}
.form-status[data-state="error"]{color:var(--blush-deep);}

/* ---------- Utility ---------- */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.k-label{font-size:var(--fs-label);letter-spacing:.24em;text-transform:uppercase;color:var(--text-soft);}
.divider{height:1px;background:var(--line);width:100%;}
.hr-fade{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);}

.disclaimer{
  font-size:.78rem;
  color:var(--text-soft);
  border-left:2px solid var(--accent);
  padding-left:1.1rem;
  max-width:56ch;
}

::-webkit-scrollbar{width:10px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px;}

@media (max-width:640px){
  :root{--nav-h:76px;}
}

/* ---------- Treatment universe cards (home) ---------- */
.uni-card{display:block;perspective:1200px;}
.uni-card-inner{
  position:relative;
  min-height:280px;
  padding:2rem;
  display:flex;flex-direction:column;justify-content:flex-end;
  border:1px solid var(--line);
  transform-style:preserve-3d;
  transition:border-color .5s var(--ease);
  overflow:hidden;
}
.uni-card:hover .uni-card-inner{border-color:var(--accent);}
.uni-card-copy h3{margin-top:.6rem;max-width:22ch;}
.uni-arrow{
  position:absolute;top:2rem;right:2rem;
  font-size:1.4rem;
  transition:transform .5s var(--ease);
}
.uni-card:hover .uni-arrow{transform:translate(6px,-6px);}
@media (max-width:900px){
  .universe-grid{grid-template-columns:1fr!important;}
  .uni-card{grid-column:span 1!important;}
}

/* ---------- Home: scroll story / why-ziva words ---------- */
.story-word{transition:none;}
.why-word{
  transition:color .5s var(--ease), opacity .5s var(--ease);
  opacity:.35;
  cursor:default;
}
.why-word.is-active{opacity:1;color:var(--text);}

/* ---------- Method rail typography lock ---------- */
.rail-stage h3{text-transform:uppercase;}

/* ---------- Ziva Method rail: pinned horizontal journey, with a safe
   stacked fallback when GSAP/ScrollTrigger never initialises (slow network,
   blocked CDN, ad-blocker, JS error) so no stage is ever unreachable ---------- */
.rail-wrap{position:relative;}
.rail-wrap.js-rail-ready{height:100svh;overflow:hidden;}
.rail-eyebrow{position:relative;padding-top:var(--space-xl);}
.rail-wrap.js-rail-ready .rail-eyebrow{position:absolute;top:0;left:0;right:0;z-index:2;padding-top:var(--space-xl);}
.rail{display:flex;flex-direction:column;}
.rail-wrap.js-rail-ready .rail{height:100%;flex-direction:row;align-items:center;}
.rail-stage{width:100%;display:flex;align-items:center;padding:4.5rem var(--gutter);}
.rail-stage.align-end{justify-content:flex-end;}
.rail-wrap.js-rail-ready .rail-stage{min-width:100vw;height:100%;padding-block:0;}

/* Stage copy is visible by default; only hidden pending its GSAP reveal
   once the pinned rail is actually running. */
[data-stage-reveal]{opacity:1;}
.rail-wrap.js-rail-ready [data-stage-reveal]{opacity:0;}