/* =========================================================================
   ГИБКАЯ КЕРАМИКА — STRATA
   Warm architectural-editorial design system
   Fonts: Prata (display) · Manrope (body) · JetBrains Mono (labels)
   ========================================================================= */

/* ---------- Tokens ---------- */
:root{
  --bone:#F7F3E9;        /* warm paper base       */
  --bone-2:#EFE9DA;      /* secondary surface     */
  --sand:#DCD6C2;        /* tertiary / borders    */
  --ink:#1B1714;         /* near-black warm text  */
  --ink-2:#3A332B;       /* soft ink              */
  --taupe:#7C7062;       /* muted text            */
  --taupe-2:#A2977F;     /* faint text            */
  --clay:#11684B;        /* terracotta accent     */
  --clay-deep:#0C4F39;   /* accent hover          */
  --clay-soft:#B8F545;   /* light accent          */
  --espresso:#0B3B2D;    /* dark section bg       */
  --espresso-2:#0E4435;
  --line:rgba(27,23,20,.14);
  --line-soft:rgba(27,23,20,.08);
  --line-on-dark:rgba(244,239,230,.16);
  --lime:#B8F545;

  --shadow-sm:0 1px 2px rgba(27,23,20,.06),0 4px 14px rgba(27,23,20,.06);
  --shadow-md:0 8px 30px rgba(27,23,20,.10),0 2px 8px rgba(27,23,20,.06);
  --shadow-lg:0 30px 70px rgba(27,23,20,.18);

  --font-display:"Hanken Grotesk",system-ui,sans-serif;
  --font-body:"Manrope",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,monospace;

  --wrap:1320px;
  --gut:clamp(20px,5vw,72px);
  --radius:2px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}}
body{
  font-family:var(--font-body);
  background:var(--bone);
  color:var(--ink);
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
::selection{background:var(--clay);color:var(--bone)}

/* grain overlay */
body::before{
  content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;
  opacity:.035;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Layout ---------- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.section{padding-block:clamp(64px,9vw,150px);position:relative}
.section--tight{padding-block:clamp(48px,6vw,90px)}

/* ---------- Type ---------- */
.eyebrow{
  font-family:var(--font-mono);font-size:.72rem;font-weight:500;
  letter-spacing:.28em;text-transform:uppercase;color:var(--clay);
  display:inline-flex;align-items:center;gap:.7em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--clay);opacity:.6}
.eyebrow--center{justify-content:center}
.eyebrow--plain::before{display:none}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:400;line-height:1.04;letter-spacing:-.01em}
.h-hero{font-size:clamp(3rem,9.2vw,8.6rem);line-height:.92;letter-spacing:-.02em}
.h1{font-size:clamp(2.6rem,6.5vw,5.6rem)}
.h2{font-size:clamp(2rem,4.6vw,3.9rem)}
.h3{font-size:clamp(1.5rem,2.6vw,2.3rem)}
.lead{font-size:clamp(1.06rem,1.7vw,1.4rem);line-height:1.55;color:var(--ink-2);font-weight:350}
.muted{color:var(--taupe)}
.serif-it{font-family:var(--font-display);font-style:italic}
em,.em{font-family:var(--font-display);font-style:italic;color:var(--clay);font-weight:400}

.section-head{max-width:60ch}
.section-head .h2{margin-top:.5rem}
.section-head p{margin-top:1.3rem;max-width:52ch}

/* section index number */
.sec-no{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;color:var(--taupe-2)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.7em;
  font-family:var(--font-mono);font-size:.76rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;
  padding:1.05em 1.7em;border-radius:var(--radius);
  transition:transform .5s var(--ease-out),background .35s,color .35s,border-color .35s;
  will-change:transform;position:relative
}
.btn--primary{background:var(--clay);color:var(--bone)}
.btn--primary:hover{background:var(--clay-deep);transform:translateY(-2px)}
.btn--ink{background:var(--ink);color:var(--bone)}
.btn--ink:hover{background:#000;transform:translateY(-2px)}
.btn--ghost{border:1px solid var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink);background:var(--ink);color:var(--bone);transform:translateY(-2px)}
.btn--on-dark{border:1px solid var(--line-on-dark);color:var(--bone)}
.btn--on-dark:hover{background:var(--bone);color:var(--ink);transform:translateY(-2px)}
.btn .arw{transition:transform .5s var(--ease-out)}
.btn:hover .arw{transform:translate(4px,-4px)}

.textlink{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.6em;padding-bottom:.35em;
  border-bottom:1px solid var(--line);transition:.4s var(--ease)
}
.textlink:hover{border-color:var(--clay);color:var(--clay);gap:.9em}

/* =========================================================================
   NAV
   ========================================================================= */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px var(--gut);
  transition:background .5s var(--ease),padding .5s var(--ease),box-shadow .5s,border-color .5s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(244,239,230,.82);backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  padding-block:14px;border-bottom-color:var(--line-soft);box-shadow:0 1px 0 rgba(27,23,20,.03)
}
.brand{display:flex;align-items:baseline;gap:.55em;line-height:1}
.brand__mark{font-family:var(--font-display);font-size:1.5rem;letter-spacing:.02em;color:var(--ink)}
.brand__mark sup{font-family:var(--font-mono);font-size:.5em;color:var(--clay);top:-.9em}
.brand__sub{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:var(--taupe)}
.nav.on-hero:not(.scrolled) .brand__mark{color:var(--bone)}
.nav.on-hero:not(.scrolled) .brand__sub{color:rgba(244,239,230,.72)}
.nav.on-hero:not(.scrolled) .nav__links a{color:rgba(244,239,230,.9)}
.nav.on-hero:not(.scrolled) .nav__toggle span{background:var(--bone)}

.nav__links{display:flex;align-items:center;gap:clamp(18px,2vw,34px)}
.nav__links a{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-2);transition:color .3s;position:relative
}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--clay);transition:width .4s var(--ease)}
.nav__links a:hover{color:var(--clay)}
.nav__links a:hover::after{width:100%}
.nav__cta{margin-left:6px}
.nav__toggle{display:none;flex-direction:column;gap:5px;padding:8px;z-index:1100}
.nav__toggle span{width:26px;height:2px;background:var(--ink);transition:.4s var(--ease);transform-origin:center}
.nav.open .nav__toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .nav__toggle span:nth-child(2){opacity:0}
.nav.open .nav__toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =========================================================================
   HERO
   ========================================================================= */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;background:var(--espresso);padding-top:96px}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__media img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);animation:heroZoom 18s var(--ease-out) forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero__media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,13,.55) 0%,rgba(20,16,13,.12) 32%,rgba(20,16,13,.15) 55%,rgba(20,16,13,.82) 100%)}
.hero__inner{position:relative;z-index:2;width:100%;max-width:var(--wrap);margin-inline:auto;padding:0 var(--gut) clamp(36px,5vw,68px)}
.hero__eyebrow{color:var(--clay-soft)}
.hero__eyebrow::before{background:var(--clay-soft)}
.hero h1{color:var(--bone);margin:.32em 0 0}
.hero h1,.hero__sub,.hero__eyebrow,.subhero h1,.subhero__sub,.subhero .eyebrow,.subhero .crumb{text-shadow:0 1px 24px rgba(20,16,13,.45)}
.hero__eyebrow,.subhero .eyebrow{font-weight:500}
.hero h1 .em{color:var(--clay-soft)}
.hero__row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:2rem;margin-top:1.6rem}
.hero__sub{max-width:44ch;color:rgba(244,239,230,.86);font-size:clamp(1.02rem,1.5vw,1.28rem);font-weight:350}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}

.hero__stats{
  position:relative;z-index:2;border-top:1px solid var(--line-on-dark);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.hero__stats .stat{padding:clamp(16px,2.2vw,26px) var(--gut);border-left:1px solid var(--line-on-dark)}
.hero__stats .stat:first-child{border-left:none}
.hero__stats{max-width:var(--wrap);margin-inline:auto;width:100%}
.stat__num{font-family:var(--font-display);font-size:clamp(1.7rem,3vw,2.9rem);color:var(--bone);line-height:1}
.stat__num .u{font-size:.5em;color:var(--clay-soft)}
.stat__lab{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(244,239,230,.6);margin-top:.7em}
.scroll-hint{position:absolute;left:var(--gut);bottom:calc(100% + 0px);display:none}

/* =========================================================================
   MARQUEE
   ========================================================================= */
.marquee{background:var(--ink);color:var(--bone);padding-block:18px;overflow:hidden;white-space:nowrap;border-block:1px solid var(--espresso-2)}
.marquee__track{display:inline-flex;gap:0;animation:marq 42s linear infinite;will-change:transform}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee span{font-family:var(--font-display);font-size:clamp(1.1rem,2vw,1.7rem);font-style:italic;padding-inline:1.4em;display:inline-flex;align-items:center;gap:2.8em;opacity:.9}
.marquee span::after{content:"✦";font-style:normal;font-size:.5em;color:var(--clay-soft);opacity:.9}
@keyframes marq{to{transform:translateX(-50%)}}

/* =========================================================================
   INTRO / MATERIAL STORY
   ========================================================================= */
.intro{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);align-items:center}
.intro__text .h2{margin-top:.6rem}
.intro__text p{margin-top:1.3rem;max-width:46ch}
.intro__figure{position:relative}
.intro__figure img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%}
.intro__tag{
  position:absolute;left:-6px;bottom:26px;background:var(--bone);
  padding:14px 20px;box-shadow:var(--shadow-md);border-left:2px solid var(--clay)
}
.intro__tag b{font-family:var(--font-display);font-size:1.5rem;display:block;line-height:1}
.intro__tag small{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--taupe)}
.intro__list{margin-top:2rem;display:grid;gap:0}
.intro__list li{display:flex;gap:1rem;padding:1rem 0;border-top:1px solid var(--line)}
.intro__list li:last-child{border-bottom:1px solid var(--line)}
.intro__list .n{font-family:var(--font-mono);font-size:.72rem;color:var(--clay);padding-top:.25em}
.intro__list .t b{font-weight:600}
.intro__list .t span{display:block;color:var(--taupe);font-size:.94rem;margin-top:.2em}

/* =========================================================================
   ADVANTAGES
   ========================================================================= */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:clamp(30px,4vw,56px)}
.adv{background:var(--bone);padding:clamp(24px,2.4vw,38px);min-height:210px;display:flex;flex-direction:column;justify-content:space-between;transition:background .4s var(--ease),color .4s}
.adv:hover{background:var(--ink);color:var(--bone)}
.adv:hover .adv__ic{border-color:var(--clay-soft);color:var(--clay-soft)}
.adv:hover .adv p{color:rgba(244,239,230,.7)}
.adv__ic{width:46px;height:46px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--clay);transition:.4s}
.adv__ic svg{width:22px;height:22px}
.adv h3{font-size:1.28rem;margin-top:auto}
.adv p{color:var(--taupe);font-size:.9rem;margin-top:.5em;line-height:1.5}
.adv .num{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;color:var(--taupe-2)}

/* =========================================================================
   COLLECTION (product lines) — flip cards
   ========================================================================= */
.col-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,1.6vw,26px);margin-top:clamp(30px,4vw,56px)}
.pcard{position:relative;background:var(--bone-2);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .5s var(--ease),transform .5s var(--ease)}
.pcard:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.pcard__media{position:relative;aspect-ratio:4/3.05;overflow:hidden}
.pcard__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .7s var(--ease),transform 1.1s var(--ease)}
.pcard__media .img-scene{opacity:0}
.pcard:hover .img-scene{opacity:1}
.pcard:hover .img-swatch{transform:scale(1.04)}
.pcard__badge{position:absolute;top:14px;left:14px;z-index:3;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;background:rgba(244,239,230,.9);color:var(--ink);padding:.5em .8em;border-radius:2px;backdrop-filter:blur(4px)}
.pcard__flip{position:absolute;top:14px;right:14px;z-index:3;width:34px;height:34px;border-radius:50%;background:rgba(27,23,20,.55);color:var(--bone);display:grid;place-items:center;font-size:.7rem;opacity:0;transition:.4s;backdrop-filter:blur(4px)}
.pcard:hover .pcard__flip{opacity:1}
.pcard__body{padding:20px 22px 24px}
.pcard__body .k{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--clay)}
.pcard__body h3{font-size:1.5rem;margin-top:.35em}
.pcard__body p{color:var(--taupe);font-size:.9rem;margin-top:.5em;line-height:1.5}
.pcard__meta{display:flex;flex-wrap:wrap;gap:.5em;margin-top:1.1em}
.chip{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);border:1px solid var(--line);padding:.42em .7em;border-radius:2px}

/* flagship feature card */
.flagship{display:grid;grid-template-columns:1.15fr .85fr;gap:0;margin-top:clamp(30px,4vw,56px);
  background:var(--ink);color:var(--bone);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.flagship__media{position:relative;min-height:360px;overflow:hidden}
.flagship__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.flagship:hover .flagship__media img{transform:scale(1.05)}
.flagship__media img.flagship__swatch{top:auto;right:auto;left:20px;bottom:20px;width:96px;height:96px;border-radius:2px;object-fit:cover;
  box-shadow:0 10px 30px rgba(0,0,0,.4);border:3px solid var(--bone);z-index:2}
.flagship__body{padding:clamp(28px,3.2vw,52px);display:flex;flex-direction:column;justify-content:center}
.flagship__body .k{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--clay-soft)}
.flagship__body h3{font-size:clamp(2rem,3.4vw,3rem);margin:.4rem 0 0}
.flagship__body p{color:rgba(244,239,230,.72);margin-top:1rem;max-width:44ch;font-size:.98rem}
.flagship__series{display:flex;flex-wrap:wrap;gap:.5em;margin-top:1.5rem}
.flagship__series .chip{color:rgba(244,239,230,.85);border-color:var(--line-on-dark)}
.flagship__cta{margin-top:1.8rem;display:flex;gap:14px;flex-wrap:wrap}

/* =========================================================================
   TEXTURE LIBRARY (swatch strip)
   ========================================================================= */
.tex-wrap{margin-top:clamp(30px,4vw,52px)}
.tex-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.tex{position:relative;aspect-ratio:1;overflow:hidden;border-radius:var(--radius);background:var(--sand)}
.tex img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.tex:hover img{transform:scale(1.09)}
.tex__cap{position:absolute;inset:auto 0 0 0;padding:9px 11px;background:linear-gradient(0deg,rgba(20,16,13,.78),transparent);color:var(--bone);
  font-family:var(--font-mono);font-size:.58rem;letter-spacing:.08em;text-transform:uppercase;opacity:0;transform:translateY(6px);transition:.4s var(--ease)}
.tex:hover .tex__cap{opacity:1;transform:none}

/* =========================================================================
   GALLERY (20 models) — filter + masonry + lightbox
   ========================================================================= */
.gal-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:1.5rem}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:clamp(22px,3vw,36px)}
.filter{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);
  padding:.62em 1.05em;border:1px solid var(--line);border-radius:100px;transition:.35s var(--ease)}
.filter:hover{border-color:var(--ink)}
.filter.active{background:var(--ink);color:var(--bone);border-color:var(--ink)}
.filter b{color:var(--taupe-2);margin-left:.5em;font-weight:400}
.filter.active b{color:rgba(244,239,230,.5)}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(10px,1.2vw,18px);margin-top:clamp(24px,3vw,40px)}
.gitem{position:relative;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;
  background:var(--sand);cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.gitem.hide{display:none}
.gitem img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);will-change:transform}
.gitem:hover{box-shadow:var(--shadow-lg);z-index:2}
.gitem:hover img{transform:scale(1.06)}
.gitem--wide{grid-column:span 2;aspect-ratio:auto}
.gitem__info{position:absolute;inset:auto 0 0 0;padding:16px 16px 15px;
  background:linear-gradient(0deg,rgba(20,16,13,.85) 0%,rgba(20,16,13,.2) 70%,transparent);
  color:var(--bone);opacity:0;transform:translateY(10px);transition:.5s var(--ease)}
.gitem:hover .gitem__info{opacity:1;transform:none}
.gitem__info .k{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--clay-soft)}
.gitem__info h4{font-family:var(--font-display);font-size:1.3rem;font-weight:400;margin-top:.25em;line-height:1.05}
.gitem__zoom{position:absolute;top:13px;right:13px;width:34px;height:34px;border-radius:50%;background:rgba(244,239,230,.9);color:var(--ink);
  display:grid;place-items:center;opacity:0;transition:.4s;font-size:.9rem}
.gitem:hover .gitem__zoom{opacity:1}

/* lightbox */
.lb{position:fixed;inset:0;z-index:2000;background:rgba(18,14,11,.94);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:clamp(16px,4vw,60px);opacity:0;pointer-events:none;transition:opacity .4s}
.lb.open{opacity:1;pointer-events:auto}
.lb__img{max-width:min(1100px,92vw);max-height:82vh;border-radius:var(--radius);box-shadow:var(--shadow-lg);object-fit:contain}
.lb__cap{position:absolute;left:0;right:0;bottom:clamp(16px,3vw,34px);text-align:center;color:var(--bone)}
.lb__cap .k{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--clay-soft)}
.lb__cap h4{font-family:var(--font-display);font-size:1.6rem;font-weight:400;margin-top:.3em}
.lb__close,.lb__nav{position:absolute;background:rgba(244,239,230,.1);border:1px solid var(--line-on-dark);color:var(--bone);
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:1.1rem;transition:.35s}
.lb__close:hover,.lb__nav:hover{background:var(--bone);color:var(--ink)}
.lb__close{top:clamp(16px,3vw,30px);right:clamp(16px,3vw,30px)}
.lb__nav{top:50%;transform:translateY(-50%)}
.lb__nav--prev{left:clamp(10px,2vw,26px)}
.lb__nav--next{right:clamp(10px,2vw,26px)}

/* =========================================================================
   SPLIT FEATURE (diptych close-up + application)
   ========================================================================= */
.dark{background:var(--espresso);color:var(--bone)}
.dark .eyebrow{color:var(--clay-soft)}.dark .eyebrow::before{background:var(--clay-soft)}
.dark .muted{color:rgba(244,239,230,.62)}
.dark .lead{color:rgba(244,239,230,.82)}
.dark .sec-no{color:rgba(244,239,230,.4)}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:clamp(22px,3vw,40px);align-items:center;margin-top:clamp(30px,4vw,56px)}
.feat:nth-child(even){direction:rtl}
.feat:nth-child(even)>*{direction:ltr}
.feat__img{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.feat__img img{width:100%}
.feat__cap{position:absolute;top:14px;left:14px;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;
  background:rgba(20,16,13,.6);color:var(--bone);padding:.5em .8em;border-radius:2px;backdrop-filter:blur(4px)}
.feat__body h3{font-size:clamp(1.8rem,3vw,2.6rem);margin:.4rem 0 0}
.feat__body p{color:rgba(244,239,230,.72);margin-top:1rem;max-width:44ch}
.feat__row{display:flex;gap:2.4rem;margin-top:1.7rem}
.feat__row .v b{font-family:var(--font-display);font-size:2rem;display:block;line-height:1}
.feat__row .v span{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(244,239,230,.55)}

/* =========================================================================
   APPLICATIONS (where to use)
   ========================================================================= */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:clamp(30px,4vw,52px)}
.app{background:var(--bone);padding:clamp(22px,2.3vw,34px);min-height:160px;transition:.4s var(--ease)}
.app:hover{background:var(--clay);color:var(--bone)}
.app:hover .app__k,.app:hover p{color:rgba(244,239,230,.85)}
.app__k{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;color:var(--clay);transition:.4s}
.app:hover .app__k{color:var(--bone)}
.app h3{font-size:1.4rem;margin-top:.55em}
.app p{color:var(--taupe);font-size:.9rem;margin-top:.5em}

/* =========================================================================
   PROCESS
   ========================================================================= */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(14px,1.6vw,26px);margin-top:clamp(30px,4vw,56px);counter-reset:s}
.step{position:relative;padding-top:2.4rem}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:0;left:0;font-family:var(--font-mono);font-size:.8rem;color:var(--clay)}
.step::after{content:"";position:absolute;top:.35rem;left:2.6rem;right:0;height:1px;background:var(--line)}
.step:last-child::after{display:none}
.step h3{font-size:1.28rem}
.step p{color:var(--taupe);font-size:.9rem;margin-top:.5em}

/* =========================================================================
   SPECS TABLE
   ========================================================================= */
.specs{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,5vw,80px);align-items:start;margin-top:clamp(24px,3vw,40px)}
.spec-table{width:100%;border-top:1px solid var(--ink)}
.spec-table .row{display:grid;grid-template-columns:1fr auto;gap:1.5rem;padding:1.05rem 0;border-bottom:1px solid var(--line);align-items:baseline}
.spec-table .row .lab{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--taupe)}
.spec-table .row .val{font-family:var(--font-display);font-size:1.35rem;text-align:right}
.spec-table .row .val .u{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.05em;color:var(--taupe);text-transform:uppercase;margin-left:.4em}
.specs__note{background:var(--bone-2);padding:clamp(22px,3vw,36px);border-radius:var(--radius);border-left:2px solid var(--clay)}
.specs__note h3{font-size:1.5rem}
.specs__note p{color:var(--taupe);margin-top:.8rem;font-size:.95rem}
.specs__note .cmp{margin-top:1.4rem;display:grid;gap:12px}
.specs__note .cmp .c{display:flex;justify-content:space-between;align-items:baseline;padding-bottom:.7rem;border-bottom:1px solid var(--line)}
.specs__note .cmp .c b{font-family:var(--font-display);font-size:1.15rem}
.specs__note .cmp .c .old{color:var(--taupe);text-decoration:line-through;font-size:.9rem}

/* =========================================================================
   ABOUT
   ========================================================================= */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,80px);align-items:center}
.about__img{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.about__img img{width:100%}
.about__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-on-dark);margin-top:2rem;border:1px solid var(--line-on-dark)}
.about__stats .s{background:var(--espresso);padding:20px}
.about__stats .s b{font-family:var(--font-display);font-size:clamp(1.7rem,3vw,2.6rem);color:var(--bone);line-height:1;display:block}
.about__stats .s span{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(244,239,230,.55);margin-top:.6em;display:block}

/* =========================================================================
   FAQ
   ========================================================================= */
.faq{margin-top:clamp(28px,3vw,44px);max-width:920px}
.qa{border-top:1px solid var(--line)}
.qa:last-child{border-bottom:1px solid var(--line)}
.qa__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:2rem;text-align:left;
  padding:1.5rem 0;font-family:var(--font-display);font-size:clamp(1.15rem,1.9vw,1.55rem);color:var(--ink);transition:color .3s}
.qa__q:hover{color:var(--clay)}
.qa__ic{flex:0 0 auto;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;position:relative;transition:.4s}
.qa__ic::before,.qa__ic::after{content:"";position:absolute;background:var(--ink);left:50%;top:50%;transition:.4s var(--ease)}
.qa__ic::before{width:11px;height:1.5px;transform:translate(-50%,-50%)}
.qa__ic::after{width:1.5px;height:11px;transform:translate(-50%,-50%)}
.qa.open .qa__ic{background:var(--clay);border-color:var(--clay)}
.qa.open .qa__ic::before,.qa.open .qa__ic::after{background:var(--bone)}
.qa.open .qa__ic::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.qa__a{max-height:0;overflow:hidden;transition:max-height .5s var(--ease)}
.qa__a p{color:var(--taupe);padding-bottom:1.5rem;max-width:70ch;line-height:1.65}

/* =========================================================================
   CTA / CONTACT
   ========================================================================= */
.cta{position:relative;overflow:hidden}
.cta__inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,72px);align-items:center}
.cta h2{color:var(--bone)}
.cta .lead{color:rgba(244,239,230,.8);margin-top:1.2rem}
.contact-list{margin-top:2rem;display:grid;gap:2px}
.contact-list a{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.1rem 0;border-top:1px solid var(--line-on-dark);transition:.4s}
.contact-list a:last-child{border-bottom:1px solid var(--line-on-dark)}
.contact-list a:hover{padding-left:.6rem;color:var(--clay-soft)}
.contact-list .k{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(244,239,230,.5)}
.contact-list .v{font-family:var(--font-display);font-size:clamp(1.1rem,1.8vw,1.5rem)}

.form{background:var(--bone);padding:clamp(26px,3.5vw,44px);border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.form h3{font-size:1.7rem}
.form p.muted{margin-top:.4rem;font-size:.92rem}
.field{margin-top:1.15rem}
.field label{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--taupe);display:block;margin-bottom:.5em}
.field input,.field textarea,.field select{
  width:100%;font-family:var(--font-body);font-size:1rem;color:var(--ink);
  background:var(--bone-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:.9em 1em;transition:.3s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--clay);background:var(--bone)}
.field textarea{resize:vertical;min-height:96px}
.form .btn{width:100%;justify-content:center;margin-top:1.4rem}
.form__note{font-size:.76rem;color:var(--taupe);margin-top:1rem;text-align:center}
.form__ok{display:none;text-align:center;padding:2rem 0}
.form__ok.show{display:block}
.form__ok .ic{width:60px;height:60px;border-radius:50%;background:var(--clay);color:var(--bone);display:grid;place-items:center;margin:0 auto 1rem;font-size:1.6rem}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer{background:var(--ink);color:var(--bone);padding-block:clamp(48px,6vw,84px) 32px}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:clamp(24px,3vw,48px)}
.footer__brand .brand__mark{color:var(--bone);font-size:2rem}
.footer__brand p{color:rgba(244,239,230,.6);margin-top:1rem;max-width:34ch;font-size:.92rem}
.footer h4{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--clay-soft);font-weight:500}
.footer ul{margin-top:1.1rem;display:grid;gap:.7rem}
.footer ul a{color:rgba(244,239,230,.72);font-size:.92rem;transition:.3s}
.footer ul a:hover{color:var(--bone);padding-left:.3rem}
.footer__bottom{margin-top:clamp(36px,4vw,60px);padding-top:24px;border-top:1px solid var(--line-on-dark);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center}
.footer__bottom p{color:rgba(244,239,230,.5);font-size:.8rem;font-family:var(--font-mono);letter-spacing:.04em}

/* =========================================================================
   REVEAL ANIMATIONS
   ========================================================================= */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s var(--ease-out),transform 1s var(--ease-out)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}.reveal-d3{transition-delay:.24s}
.reveal-d4{transition-delay:.32s}.reveal-d5{transition-delay:.4s}
.line-reveal{display:block;overflow:hidden}
.line-reveal>span{display:block;transform:translateY(105%);transition:transform 1.1s var(--ease-out)}
.in .line-reveal>span,.line-reveal.in>span{transform:none}

/* =========================================================================
   MULTI-PAGE COMPONENTS
   ========================================================================= */
/* language switcher */
.langswitch{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:100px;overflow:hidden;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.08em}
.langswitch a{padding:.5em .8em;color:var(--taupe);transition:.3s}
.langswitch a.active{background:var(--ink);color:var(--bone)}
.langswitch a:not(.active):hover{color:var(--ink)}
.nav.on-hero:not(.scrolled) .langswitch{border-color:var(--line-on-dark)}
.nav.on-hero:not(.scrolled) .langswitch a{color:rgba(244,239,230,.75)}
.nav.on-hero:not(.scrolled) .langswitch a.active{background:var(--bone);color:var(--ink)}

/* compact sub-page hero */
.subhero{position:relative;min-height:64vh;display:flex;align-items:flex-end;overflow:hidden;background:var(--espresso);padding-top:96px}
.subhero__media{position:absolute;inset:0;z-index:0}
.subhero__media img{width:100%;height:100%;object-fit:cover}
.subhero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,16,13,.5),rgba(20,16,13,.2) 40%,rgba(20,16,13,.85))}
.subhero__inner{position:relative;z-index:2;width:100%;max-width:var(--wrap);margin-inline:auto;padding:0 var(--gut) clamp(30px,4vw,54px)}
.subhero h1{color:var(--bone);font-size:clamp(2.4rem,5.4vw,4.6rem);margin:.4rem 0 0}
.subhero__sub{color:rgba(244,239,230,.85);max-width:52ch;margin-top:1rem;font-size:clamp(1rem,1.4vw,1.2rem)}
.subhero .eyebrow{color:var(--clay-soft)}.subhero .eyebrow::before{background:var(--clay-soft)}

/* breadcrumb */
.crumb{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--taupe);display:flex;flex-wrap:wrap;gap:.5em;align-items:center}
.crumb a{color:var(--taupe);transition:.3s}.crumb a:hover{color:var(--clay)}
.crumb .sep{opacity:.5}
.subhero .crumb{color:rgba(244,239,230,.7)}.subhero .crumb a{color:rgba(244,239,230,.7)}.subhero .crumb a:hover{color:var(--clay-soft)}

/* article / prose */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(30px,5vw,72px);align-items:start}
.prose{max-width:70ch}
.prose>p{margin-top:1.2rem;color:var(--ink-2);font-size:1.06rem;line-height:1.75}
.prose>p:first-child{margin-top:0}
.prose .lead-p{font-size:1.24rem;line-height:1.6;color:var(--ink);font-weight:350}
.prose h2{font-size:clamp(1.7rem,3vw,2.4rem);margin-top:2.6rem;line-height:1.1}
.prose h3{font-size:clamp(1.3rem,2vw,1.7rem);margin-top:1.9rem}
.prose ul,.prose ol{margin-top:1.1rem;padding-left:1.3em;display:grid;gap:.6rem}
.prose li{color:var(--ink-2);line-height:1.6}.prose li::marker{color:var(--clay)}
.prose blockquote{margin-top:1.6rem;padding:1.1rem 1.4rem;border-left:2px solid var(--clay);background:var(--bone-2);border-radius:2px;
  font-family:var(--font-display);font-size:1.3rem;line-height:1.4;color:var(--ink)}
.prose figure{margin-top:1.8rem}.prose figure img{border-radius:var(--radius);box-shadow:var(--shadow-md);width:100%}
.prose figcaption{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--taupe);margin-top:.7em}
.prose a{color:var(--clay);border-bottom:1px solid rgba(176,92,52,.3);transition:.3s}.prose a:hover{border-color:var(--clay)}
.prose .keyfacts{margin-top:1.8rem;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.prose .keyfacts .kf{display:grid;grid-template-columns:1fr auto;gap:1rem;padding:.9rem 1.2rem;border-bottom:1px solid var(--line);align-items:baseline}
.prose .keyfacts .kf:last-child{border-bottom:none}
.prose .keyfacts .kf .l{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.05em;text-transform:uppercase;color:var(--taupe)}
.prose .keyfacts .kf .v{font-family:var(--font-display);font-size:1.2rem}

/* sidebar (sticky) */
.aside{position:sticky;top:96px;display:grid;gap:1.4rem}
.aside__card{background:var(--bone-2);border-radius:var(--radius);padding:22px;border:1px solid var(--line)}
.aside__card h4{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--clay);font-weight:500}
.aside__card ul{margin-top:.9rem;display:grid;gap:.6rem}
.aside__card ul a{font-size:.94rem;color:var(--ink-2);transition:.3s;display:flex;gap:.5em}
.aside__card ul a:hover{color:var(--clay)}
.aside__card ul a::before{content:"→";color:var(--taupe-2)}
.aside__cta{background:var(--ink);color:var(--bone);border-radius:var(--radius);padding:24px}
.aside__cta h4{font-family:var(--font-display);font-size:1.4rem;color:var(--bone)}
.aside__cta p{color:rgba(244,239,230,.7);font-size:.9rem;margin:.5rem 0 1.1rem}

/* related / internal-link cards */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,1.6vw,22px);margin-top:clamp(24px,3vw,40px)}
.lcard{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--espresso);box-shadow:var(--shadow-sm);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);min-height:260px;display:flex}
.lcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.lcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease);opacity:.82}
.lcard:hover img{transform:scale(1.06);opacity:.7}
.lcard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,16,13,.15),rgba(20,16,13,.8))}
.lcard__body{position:relative;z-index:2;margin-top:auto;padding:20px 22px;color:var(--bone)}
.lcard__body .k{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--clay-soft)}
.lcard__body h3{font-family:var(--font-display);font-weight:400;font-size:1.5rem;margin-top:.3em;line-height:1.05}
.lcard__body p{font-size:.86rem;color:rgba(244,239,230,.72);margin-top:.4em}

/* CTA band */
.ctaband{background:var(--clay);color:var(--bone);border-radius:var(--radius);padding:clamp(30px,4vw,56px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem;margin-top:clamp(30px,4vw,56px)}
.ctaband h2{font-size:clamp(1.8rem,3vw,2.8rem);max-width:20ch}
.ctaband p{color:rgba(255,255,255,.85);margin-top:.6rem;max-width:44ch}
.ctaband .btn--on-clay{background:var(--bone);color:var(--clay-deep)}
.ctaband .btn--on-clay:hover{background:var(--ink);color:var(--bone)}

/* prose contact block */
.miniform{background:var(--bone);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,36px)}

/* mobile hero picture: default hide mobile source handled by <picture> */
.hero__media picture,.subhero__media picture{position:absolute;inset:0;display:block}
.hero__media picture img,.subhero__media picture img{width:100%;height:100%;object-fit:cover}

/* WhatsApp button + floating action button */
.btn--wa{display:inline-flex;align-items:center;gap:.6em;background:#25D366;color:#0b3d24;
  font-family:var(--font-mono);font-size:.76rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  padding:1em 1.6em;border-radius:100px;transition:transform .5s var(--ease-out),background .35s}
.btn--wa:hover{background:#1db954;transform:translateY(-2px)}
.btn--wa svg{width:20px;height:20px}
.wa-fab{position:fixed;right:clamp(16px,3vw,28px);bottom:clamp(16px,3vw,28px);z-index:1200;
  width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;
  box-shadow:0 10px 30px rgba(37,211,102,.45),0 2px 8px rgba(0,0,0,.2);transition:transform .4s var(--ease),box-shadow .4s;
  animation:waPulse 2.6s ease-in-out infinite}
.wa-fab:hover{transform:scale(1.08)}
.wa-fab svg{width:30px;height:30px}
@keyframes waPulse{0%,100%{box-shadow:0 10px 30px rgba(37,211,102,.45),0 0 0 0 rgba(37,211,102,.4)}
  50%{box-shadow:0 10px 30px rgba(37,211,102,.45),0 0 0 12px rgba(37,211,102,0)}}
@media (prefers-reduced-motion:reduce){.wa-fab{animation:none}}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width:1080px){
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .col-grid{grid-template-columns:repeat(2,1fr)}
  .tex-grid{grid-template-columns:repeat(4,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .layout{grid-template-columns:1fr}
  .aside{position:static;grid-template-columns:repeat(2,1fr);display:grid}
  .steps{grid-template-columns:repeat(3,1fr);row-gap:2.4rem}
  .step::after{display:none}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .flagship{grid-template-columns:1fr}
  .flagship__media{min-height:300px}
  .ctaband{flex-direction:column;align-items:flex-start}
  .nav__links{position:fixed;inset:0;background:var(--bone);flex-direction:column;justify-content:center;gap:1.6rem;
    transform:translateX(100%);transition:transform .55s var(--ease);z-index:1050}
  .nav.open .nav__links{transform:none}
  .nav__links a{font-size:1rem}
  .nav__toggle{display:flex}
  .nav__cta{display:none}
  .nav.on-hero:not(.scrolled) .nav__links a{color:var(--ink-2)}
  .hero__stats{grid-template-columns:repeat(2,1fr)}
  .hero__stats .stat:nth-child(3){border-left:none}
  .hero__stats .stat:nth-child(n+3){border-top:1px solid var(--line-on-dark)}
  .intro,.specs,.about,.cta__inner{grid-template-columns:1fr}
  .feat{grid-template-columns:1fr;direction:ltr!important}
  .feat:nth-child(even){direction:ltr}
  .apps{grid-template-columns:1fr}
  .about__img{order:-1}
}
@media (max-width:560px){
  .adv-grid{grid-template-columns:1fr}
  .col-grid{grid-template-columns:1fr}
  .tex-grid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gitem--wide{grid-column:span 2;aspect-ratio:4/3}
  .cards-grid{grid-template-columns:1fr}
  .aside{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer__top{grid-template-columns:1fr}
  .hero__stats{grid-template-columns:1fr 1fr}
  .btn{width:100%;justify-content:center}
  .hero__cta{width:100%}
  .h-hero{font-size:clamp(2.7rem,15vw,4rem)}
  .subhero{min-height:56vh}
}