/* ═══════════════ GHB® — DESIGN SYSTEM (dark default + light · crimson × iris × blue) ═══════════════ */
:root{
  color-scheme:dark;
  --gold:#FF4D6D;
  --gold-hi:#FF8FA3;
  --iris:#A259F5;
  --emerald:#5B8CFF;
  --emerald-deep:#3B6FE0;
  --bg:#08070d;
  --bg-alt:rgba(14,12,22,.78);
  --surface:rgba(255,255,255,.03);
  --surface-solid:#110e19;
  --card-hi:rgba(255,255,255,.05);
  --card-lo:rgba(255,255,255,.01);
  --text:#f4f2f8;
  --text-dim:#a29cae;
  --text-faint:#675f75;
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.16);
  /* legacy aliases — every existing var(--violet)/var(--teal) rule now renders crimson/blue */
  --violet:var(--gold);
  --teal:var(--emerald);
  --upwork:#14a800;
  --accent-grad:linear-gradient(100deg,#FF4D6D,#A259F5 48%,#4D8DFF);
  --glow:rgba(162,89,245,.34);
  --nav-bg:rgba(8,7,13,.55);
  --pill-bg:rgba(255,255,255,.04);
  --shadow:0 24px 60px rgba(0,0,0,.5);
  --chip-shadow:rgba(0,0,0,.3);
  --cf-shadow:rgba(0,0,0,.6);
  --wm-stroke:rgba(255,255,255,.07);
  --shade-end:rgba(8,7,13,.65);
  --lb-bg:rgba(5,4,9,.82);
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  --font-serif:Georgia,'Times New Roman',serif;
}
[data-theme="light"]{
  color-scheme:light;
  --gold:#D6324F;
  --gold-hi:#E04B66;
  --iris:#7C3AED;
  --emerald:#2B56C6;
  --emerald-deep:#2449B8;
  --bg:#FAF8FC;
  --bg-alt:rgba(255,255,255,.78);
  --surface:rgba(24,18,48,.04);
  --surface-solid:#ffffff;
  --card-hi:rgba(255,255,255,.75);
  --card-lo:rgba(255,255,255,.35);
  --text:#17121f;
  --text-dim:#57516b;
  --text-faint:#8b85a0;
  --border:rgba(24,18,48,.12);
  --border-strong:rgba(24,18,48,.22);
  --accent-grad:linear-gradient(100deg,#D6324F,#7C3AED 48%,#2B56C6);
  --glow:rgba(124,58,237,.22);
  --nav-bg:rgba(250,248,252,.62);
  --pill-bg:rgba(24,18,48,.055);
  --shadow:0 24px 60px rgba(44,32,88,.14);
  --chip-shadow:rgba(44,32,88,.12);
  --cf-shadow:rgba(44,32,88,.3);
  --wm-stroke:rgba(24,18,48,.08);
  --shade-end:rgba(20,15,34,.55);
  --lb-bg:rgba(246,244,250,.88);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden;overflow-x:clip}
body{
  background:var(--bg);
  color:var(--text);
  transition:background .5s ease,color .5s ease;
  font-family:var(--font-body);
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--violet);color:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
.container{width:min(1320px,92vw);margin-inline:auto}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:4px}

.mono-label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--text-dim)}
.mono-label sup{color:var(--violet);letter-spacing:0}
.rule{flex:1;height:1px;background:var(--border-strong)}

/* ═══════════════ PRELOADER ═══════════════ */
.preloader{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;background:var(--bg);transition:transform 1s cubic-bezier(.76,0,.24,1)}
.preloader.done{transform:translateY(-101%)}
.preloader__inner{text-align:center}
.preloader__mark{font-family:var(--font-display);font-weight:700;font-size:1.4rem;letter-spacing:.08em;margin-bottom:1.2rem}
.preloader__mark sup{color:var(--violet);font-size:.7em}
.preloader__count{font-family:var(--font-display);font-weight:700;font-size:clamp(4rem,14vw,9rem);line-height:1;font-variant-numeric:tabular-nums}
.preloader__label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.3em;color:var(--text-faint);margin-top:1.2rem}

/* ═══════════════ NAV ═══════════════ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:1.1rem clamp(1.2rem,3vw,2.4rem)}
.nav__logo{font-family:var(--font-display);font-weight:700;font-size:1.25rem;letter-spacing:.05em}
.nav__logo sup{color:var(--violet);font-size:.65em}
.nav__pill{display:flex;gap:.4rem;background:var(--nav-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:100px;padding:.45rem .6rem}
.nav__pill a{font-size:.82rem;font-weight:500;color:var(--text-dim);padding:.42rem .95rem;border-radius:100px;transition:color .25s,background .25s}
.nav__pill a:hover{color:var(--text);background:var(--pill-bg)}
.nav__right{display:flex;align-items:center;gap:.7rem}
.theme-toggle{width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:var(--nav-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);display:grid;place-items:center;transition:border-color .25s,color .25s}
.theme-toggle:hover{border-color:var(--border-strong)}
.theme-toggle .ic-sun{display:none}
[data-theme="light"] .theme-toggle .ic-sun{display:block}
[data-theme="light"] .theme-toggle .ic-moon{display:none}
.nav__cta{font-size:.82rem;font-weight:600;background:var(--accent-grad);color:#fff;padding:.62rem 1.3rem;border-radius:100px;transition:opacity .25s,transform .25s,box-shadow .3s}
.nav__cta:hover{opacity:.92;transform:translateY(-1px);box-shadow:0 10px 30px var(--glow)}
.nav__burger{display:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:var(--nav-bg);backdrop-filter:blur(18px);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav__burger span{display:block;width:16px;height:1.6px;background:var(--text);transition:transform .3s}
.nav__burger[aria-expanded="true"] span:first-child{transform:translateY(3.3px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:last-child{transform:translateY(-3.3px) rotate(-45deg)}

.mobile-menu{position:fixed;inset:0;z-index:99;background:var(--bg);display:flex;flex-direction:column;justify-content:center;gap:2rem;padding:0 8vw;opacity:0;visibility:hidden;transition:opacity .45s ease,visibility .45s}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu nav{display:flex;flex-direction:column;gap:1.2rem}
.mobile-menu nav a{font-family:var(--font-display);font-weight:600;font-size:clamp(2rem,9vw,3rem);line-height:1.1;transform:translateY(30px);opacity:0;transition:transform .5s ease,opacity .5s ease}
.mobile-menu.open nav a{transform:none;opacity:1}
.mobile-menu.open nav a:nth-child(2){transition-delay:.05s}
.mobile-menu.open nav a:nth-child(3){transition-delay:.1s}
.mobile-menu.open nav a:nth-child(4){transition-delay:.15s}
.mobile-menu.open nav a:nth-child(5){transition-delay:.2s}
.mobile-menu.open nav a:nth-child(6){transition-delay:.25s}
.mobile-menu.open nav a:nth-child(7){transition-delay:.3s}
.mobile-menu__foot{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--text-faint)}

/* ═══════════════ HERO ═══════════════ */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;overflow:hidden}
#gl{position:fixed;inset:0;width:100vw;height:100vh;display:block;z-index:0;pointer-events:none}
.hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;gap:3rem;align-items:center;padding-top:5rem;flex:1}
.hero__title{font-family:var(--font-display);font-weight:700;font-size:clamp(3rem,8vw,7.5rem);line-height:.98;letter-spacing:-.03em;margin:1.2rem 0 1.6rem}
.line-mask{display:block;overflow:hidden}
.line-mask>span{display:block;transform:translateY(110%);transition:transform 1.1s cubic-bezier(.22,1,.36,1)}
.hero.in .line-mask>span{transform:none}
.hero.in .line-mask:nth-child(2)>span{transition-delay:.08s}
.hero.in .line-mask:nth-child(3)>span{transition-delay:.16s}
.accent{font-family:var(--font-serif);font-style:italic;font-weight:400;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;padding-right:.08em}
.hero__sub{max-width:34rem;color:var(--text-dim);font-size:1.05rem}
.hero__aka{display:inline-block;margin-top:.4rem;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;color:var(--teal)}
.hero__ctas{display:flex;gap:1rem;margin-top:2.2rem;flex-wrap:wrap}
.hero__hint{margin-top:1.8rem;color:var(--text-faint);letter-spacing:.3em}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.92rem;padding:.95rem 1.9rem;border-radius:100px;transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s,background .3s}
.btn--primary{background:var(--accent-grad);color:#fff}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 14px 44px var(--glow)}
.btn--ghost{border:1px solid var(--border-strong)}
.btn--ghost:hover{background:var(--pill-bg);transform:translateY(-3px)}
.btn--big{width:100%;justify-content:center;padding:1.15rem}

.portrait-card{position:relative;aspect-ratio:4/5;max-width:340px;margin-left:auto;border:1px solid var(--border-strong);border-radius:20px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.portrait-card img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.portrait-card__shade{position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,var(--shade-end));pointer-events:none}
.portrait-card--fallback{display:grid;place-items:center;background:radial-gradient(120% 120% at 20% 10%,rgba(255,77,109,.24),transparent 55%),radial-gradient(120% 120% at 85% 90%,rgba(91,140,255,.18),transparent 55%),var(--surface-solid)}
.portrait-card__monogram{display:none;font-family:var(--font-display);font-weight:700;font-size:4.5rem;letter-spacing:.04em;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.portrait-card--fallback .portrait-card__monogram{display:block}
.portrait-card--fallback .portrait-card__shade{display:none}
.portrait-card__tag{position:absolute;left:1rem;bottom:1rem;padding:.5rem .9rem;border-radius:100px;background:var(--nav-bg);backdrop-filter:blur(12px);border:1px solid var(--border);z-index:2}
.hero__bottom{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:flex-end;padding:0 clamp(1.2rem,3vw,2.4rem) 4.2rem;margin-top:3rem}
.hero__scroll{display:flex;align-items:center;gap:.7rem}
.hero__scroll-line{display:block;width:1px;height:44px;background:var(--border-strong);position:relative;overflow:hidden}
.hero__scroll-line::after{content:"";position:absolute;inset:0;background:var(--teal);animation:scrollPulse 2s ease-in-out infinite}
@keyframes scrollPulse{0%{transform:translateY(-100%)}55%{transform:translateY(0)}100%{transform:translateY(100%)}}

/* reveal utilities */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s ease,transform .9s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
.hero .reveal{transition-delay:.25s}
.hero .hero__ctas.reveal{transition-delay:.4s}
.hero__hint.reveal{transition-delay:.55s}
.hero__right.reveal{transition-delay:.35s}
.reveal-lines .word{display:inline-block;overflow:hidden;vertical-align:top}
.reveal-lines .word>i{display:inline-block;font-style:inherit;transform:translateY(110%);transition:transform .9s cubic-bezier(.22,1,.36,1)}
.reveal-lines.in .word>i{transform:none}

/* velocity drift elements */
[data-drift]{will-change:transform}

/* ═══════════════ MARQUEE ═══════════════ */
.marquee-section{padding:2.6rem 0;border-block:1px solid var(--border);overflow:hidden;position:relative;z-index:2;background:var(--bg)}
.marquee{display:flex;overflow:hidden;padding:.55rem 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:flex;gap:.8rem;flex-shrink:0;padding-right:.8rem;animation:marq 42s linear infinite;will-change:transform}
.marquee[data-dir="right"] .marquee__track{animation-direction:reverse}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes marq{to{transform:translateX(-50%)}}
.marquee__track span{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;color:var(--text-dim);white-space:nowrap;border:1px solid var(--border);border-radius:100px;padding:.5rem 1.1rem;transition:color .25s,border-color .25s}
.marquee__track span:hover{color:var(--text);border-color:var(--violet)}

/* ═══════════════ STATS ═══════════════ */
.stats{padding:5.5rem 0;border-bottom:1px solid var(--border)}

/* ═══════════════ GROWTH ENGINE TUNNEL ═══════════════ */
.engine{position:relative;z-index:2;height:340vh}
.engine__stick{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center}
#tunnelGl{position:absolute;inset:0;width:100%;height:100%;display:block}
.engine__inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:1.5rem;padding:0 1.25rem;pointer-events:none;will-change:transform,opacity}
.engine .mono-label{display:inline-flex;align-items:center;gap:.6rem;color:var(--text-dim)}
.engine__dot{width:7px;height:7px;border-radius:50%;background:var(--iris);box-shadow:0 0 14px var(--iris);flex-shrink:0}
.engine__title{font-family:var(--font-display);font-size:clamp(2.5rem,7.2vw,5.8rem);font-weight:700;line-height:1.02;letter-spacing:-.03em;margin:0;text-shadow:0 0 70px rgba(162,89,245,.35)}
.engine__keep{display:inline-flex;align-items:center;gap:.5rem;margin:.4rem 0 0;padding:.5rem 1.15rem;border-radius:999px;background:var(--pill-bg);border:1px solid var(--border);font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim)}
.engine__keep i{font-style:normal;color:var(--gold);animation:engineBob 1.8s ease-in-out infinite}
@keyframes engineBob{0%,100%{transform:translateY(-2px)}50%{transform:translateY(3px)}}
.stats__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:2rem}
.stat{text-align:left;position:relative;padding-left:1.4rem}
.stat::before{content:"";position:absolute;left:0;top:.4rem;bottom:.4rem;width:1px;background:var(--border-strong)}
.stat__num{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,3.6vw,3.2rem);line-height:1;font-variant-numeric:tabular-nums;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat__label{margin-top:.6rem;font-size:.85rem;color:var(--text-dim)}

/* ═══════════════ SECTIONS ═══════════════ */
.section{padding:clamp(6rem,11vw,9.5rem) 0;position:relative;z-index:2}
.section--alt{background:var(--bg-alt);border-block:1px solid var(--border)}
.section__head{margin-bottom:4rem}
.section__title{font-family:var(--font-display);font-weight:700;font-size:clamp(2.4rem,5.4vw,4.6rem);line-height:1.02;letter-spacing:-.025em;margin-top:1.1rem}
.section__title--xl{font-size:clamp(2.8rem,6.5vw,5.6rem)}
.section__sub{margin-top:1.2rem;color:var(--text-dim);max-width:32rem}
.section__head--row{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;flex-wrap:wrap}

/* roles */
.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.role-card{border:1px solid var(--border);border-radius:20px;padding:2.4rem 2rem;background:var(--surface-solid);transition:transform .45s cubic-bezier(.22,1,.36,1),border-color .45s,box-shadow .45s}
.role-card:hover{transform:translateY(-8px);border-color:var(--violet);box-shadow:0 20px 60px var(--glow)}
.role-card__num{color:var(--teal);margin-bottom:2.6rem}
.role-card h3{font-family:var(--font-display);font-size:1.28rem;font-weight:600;line-height:1.3;margin-bottom:1rem}
.role-card__brand{color:var(--violet)}
.role-card p{font-size:.93rem;color:var(--text-dim)}

/* ═══════════════ PLATFORMS ═══════════════ */
.platforms{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;perspective:1200px}
.platform-card{
  --brand:#A259F5;
  position:relative;border:1px solid var(--border);border-radius:20px;
  background:linear-gradient(160deg,color-mix(in srgb,var(--brand) 7%,transparent),transparent 55%),linear-gradient(160deg,var(--card-hi),var(--card-lo)),var(--surface-solid);
  padding:2.6rem 1.6rem 2rem;display:flex;flex-direction:column;align-items:center;gap:1.4rem;
  transform-style:preserve-3d;
  transition:border-color .4s,box-shadow .4s;
  animation:floaty 7s ease-in-out infinite;
}
.platform-card:nth-child(2n){animation-delay:-2.2s}
.platform-card:nth-child(3n){animation-delay:-4.4s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.platform-card:hover{
  border-color:color-mix(in srgb,var(--brand) 65%,transparent);
  box-shadow:0 24px 70px color-mix(in srgb,var(--brand) 26%,transparent),0 0 0 1px color-mix(in srgb,var(--brand) 38%,transparent);
}
.platform-card__logo{height:44px;display:grid;place-items:center;transform:translateZ(40px)}
.platform-card__logo svg{height:44px;width:auto;max-width:150px}
.platform-card__name{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--text-dim);transform:translateZ(24px)}
[data-theme="light"] .platform-card__logo svg text[fill="#ffffff"]{fill:#17121f}

/* ═══════════════ SERVICES ═══════════════ */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.service{
  position:relative;overflow:hidden;
  border:1px solid var(--border);border-radius:20px;padding:2.2rem 2rem;
  background:var(--surface-solid);
  transition:transform .45s cubic-bezier(.22,1,.36,1),box-shadow .45s,border-color .45s;
}
.service::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:conic-gradient(from var(--gb-angle,0deg),transparent 0%,var(--violet) 18%,var(--teal) 36%,transparent 55%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .5s;pointer-events:none;
}
.service:hover{transform:translateY(-8px);box-shadow:0 20px 60px var(--glow);border-color:transparent}
.service:hover::before{opacity:1;animation:gbSpin 3.2s linear infinite}
@property --gb-angle{syntax:"<angle>";initial-value:0deg;inherits:false}
@keyframes gbSpin{to{--gb-angle:360deg}}
.service__wm{
  position:absolute;top:-.8rem;right:.8rem;
  font-family:var(--font-display);font-weight:700;font-size:7rem;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--wm-stroke);
  pointer-events:none;user-select:none;
}
.service__top{display:flex;align-items:center;gap:.9rem;margin-bottom:.4rem}
.service__icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:var(--teal);background:color-mix(in srgb,var(--teal) 8%,transparent);border:1px solid color-mix(in srgb,var(--teal) 22%,transparent);flex-shrink:0}
.service__logo{height:62px;min-width:62px;padding:0 .8rem;border-radius:16px;display:grid;place-items:center;flex-shrink:0;background:linear-gradient(150deg,var(--card-hi),var(--card-lo));border:1px solid var(--border-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 10px 26px var(--chip-shadow)}
[data-theme="light"] .service__logo{background:#17121f;border-color:#17121f}
.service__logo svg{height:38px;width:auto;max-width:66px}
.service h3{font-family:var(--font-display);font-size:1.35rem;font-weight:600}
.service__role{font-size:.85rem;color:var(--teal);margin-bottom:1.2rem;font-weight:500}
.service ul{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.service li{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.02rem;line-height:1.5;color:var(--text-dim);padding-left:1.15rem;position:relative}
.service li::before{content:"→";position:absolute;left:0;color:var(--violet);font-size:.7rem;top:.1em}
.models-strip{margin-top:2.6rem;padding:1.4rem 1.8rem;border:1px solid var(--border);border-radius:16px;display:flex;flex-wrap:wrap;gap:.7rem;align-items:center;font-size:.9rem;color:var(--text-dim)}
.models-strip i{color:var(--violet);font-style:normal}
.models-strip span:not(.mono-label){font-weight:500;color:var(--text)}

/* ═══════════════ CASE STUDIES ═══════════════ */
.case-group{margin-bottom:4.5rem}
.case-group:last-child{margin-bottom:0}
.case-group__head{display:flex;align-items:center;gap:1.4rem;margin-bottom:1.8rem}
.case-group__head .mono-label{color:var(--teal);flex-shrink:0}
.cases{display:grid;gap:1.4rem}
.cases--3{grid-template-columns:repeat(3,1fr)}
.cases--3 .case-card--sm{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:.8rem 2.5rem;padding:1.6rem 2rem}
.cases--3 .case-card--sm .case-card__tag{margin:0}
.cases--3 .case-card--sm .case-card__metric{font-size:1.9rem}
.cases--3 .case-card--sm .case-card__stats{margin:0;padding:0;border:none}
.cases--3 .case-card--sm .case-card__how{margin:0;max-width:22rem}
.case-card{border:1px solid var(--border);border-radius:20px;padding:2.2rem 2rem;background:var(--surface-solid);transition:transform .45s cubic-bezier(.22,1,.36,1),border-color .45s,box-shadow .45s}
.case-card:hover{transform:translateY(-8px);border-color:var(--violet);box-shadow:0 20px 60px var(--glow)}
.case-card__tag{color:var(--teal);margin-bottom:1.6rem}
.case-card__metric{font-family:var(--font-display);font-weight:700;font-size:clamp(2.2rem,3.4vw,3rem);line-height:1;letter-spacing:-.02em}
.case-card__per{font-size:.42em;font-weight:500;color:var(--text-dim);letter-spacing:0}
.case-card__stats{display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;margin:1.4rem 0;padding-block:1rem;border-block:1px solid var(--border);color:var(--text-dim);font-size:.68rem}
.case-card__how{font-size:.88rem;color:var(--text-dim)}
.case-card__how b{color:var(--text);font-weight:600}

/* ═══════════════ PROOF — MIRROR HALL COVERFLOW ═══════════════ */
.proof-tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:2.2rem}
.proof-tab{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;color:var(--text-dim);border:1px solid var(--border);border-radius:100px;padding:.65rem 1.3rem;transition:all .3s}
.proof-tab:hover{color:var(--text);border-color:var(--border-strong)}
.proof-tab.active{color:var(--bg);background:var(--text);border-color:var(--text);font-weight:600}
.coverflow{position:relative;outline:none;user-select:none}
.coverflow__stage{position:relative;height:clamp(300px,32vw,430px);perspective:1500px;cursor:grab}
.coverflow.dragging .coverflow__stage{cursor:grabbing}
.cf-card{
  position:absolute;left:50%;top:42%;width:clamp(250px,26vw,380px);aspect-ratio:4/3;
  border-radius:16px;overflow:hidden;border:1px solid var(--border-strong);background:var(--surface-solid);
  box-shadow:0 34px 80px var(--cf-shadow);
  transition:transform .75s cubic-bezier(.22,1,.36,1),opacity .5s,border-color .4s;
  -webkit-box-reflect:below 10px linear-gradient(transparent 58%,rgba(0,0,0,.28));
  will-change:transform;
}
.coverflow.dragging .cf-card{transition:none}
.cf-card.active{border-color:color-mix(in srgb,var(--gold) 60%,transparent)}
.cf-card img{width:100%;height:100%;object-fit:cover;object-position:top;pointer-events:none}
.coverflow__meta{display:flex;align-items:baseline;justify-content:center;gap:1.4rem;margin-top:1.5rem}
.coverflow__label{font-family:var(--font-display);font-weight:600;font-size:clamp(1.05rem,2vw,1.5rem);letter-spacing:.14em;text-transform:uppercase;text-align:center}
.coverflow__count{color:var(--text-faint);white-space:nowrap}
.coverflow__dots{display:flex;justify-content:center;gap:.5rem;margin-top:1rem}
.coverflow__dots button{width:7px;height:7px;border-radius:50%;background:color-mix(in srgb,var(--text) 22%,transparent);padding:0;transition:all .3s}
.coverflow__dots button.active{background:var(--teal);transform:scale(1.35)}

/* ═══════════════ AI UNIVERSE ═══════════════ */
.section--ai{border-block:1px solid var(--border);background:radial-gradient(90% 60% at 50% 0%,color-mix(in srgb,var(--iris) 9%,transparent),transparent 70%)}
.ai-chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:4.5rem}
.ai-chips span{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;color:var(--text-dim);border:1px solid var(--border);border-radius:100px;padding:.55rem 1.1rem;transition:all .3s}
.ai-chips span:hover{color:var(--teal);border-color:var(--teal);transform:translateY(-2px)}

.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-bottom:4rem}
.project{
  border:1px solid var(--border);border-radius:20px;overflow:hidden;background:var(--surface-solid);
  transition:transform .45s cubic-bezier(.22,1,.36,1),border-color .45s,box-shadow .45s;
}
.project:hover{transform:translateY(-8px);border-color:var(--iris);box-shadow:0 24px 70px var(--glow)}
.project--wide{grid-column:span 2;display:grid;grid-template-columns:1.25fr 1fr}
.project__shot{overflow:hidden;background:#0d0b13}
.project__shot img{width:100%;height:100%;object-fit:cover;object-position:top;aspect-ratio:16/10.5;transition:transform .8s cubic-bezier(.22,1,.36,1)}
.project:hover .project__shot img{transform:scale(1.04)}
.project--wide .project__shot img{aspect-ratio:auto}
.project__body{padding:1.5rem 1.6rem 1.7rem}
.project__body h3{font-family:var(--font-display);font-size:1.3rem;font-weight:600;margin-bottom:.5rem}
.project__body p{font-size:.9rem;color:var(--text-dim);margin-bottom:1.1rem}
.tags{display:flex;flex-wrap:wrap;gap:.45rem}
.tags span{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.16em;color:var(--teal);border:1px solid color-mix(in srgb,var(--teal) 35%,transparent);border-radius:100px;padding:.32rem .7rem;background:color-mix(in srgb,var(--teal) 7%,transparent)}

.ai-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.ai-card{border:1px solid var(--border);border-radius:18px;padding:1.8rem 1.6rem;background:var(--surface-solid);transition:transform .4s cubic-bezier(.22,1,.36,1),border-color .4s,box-shadow .4s}
.ai-card:hover{transform:translateY(-6px);border-color:var(--teal);box-shadow:0 18px 50px color-mix(in srgb,var(--teal) 18%,transparent)}
.ai-card h4{font-family:var(--font-display);font-size:1.05rem;font-weight:600;margin-bottom:.7rem}
.ai-card p{font-size:.84rem;color:var(--text-dim)}

/* ═══════════════ CERTIFICATES ═══════════════ */
.cert-nav{display:flex;align-items:center;gap:.8rem}
.cert-count{min-width:5.5rem;text-align:right;font-variant-numeric:tabular-nums}
.cert-arrow{width:46px;height:46px;border-radius:50%;border:1px solid var(--border-strong);display:grid;place-items:center;transition:background .25s,color .25s,transform .25s}
.cert-arrow:hover{background:var(--text);color:var(--bg);transform:scale(1.06)}
.cert-gallery{display:flex;gap:1.4rem;overflow-x:auto;scroll-snap-type:x mandatory;padding:1rem max(4vw,calc((100vw - 1320px)/2)) 2rem;scrollbar-width:none;cursor:grab}
.cert-gallery::-webkit-scrollbar{display:none}
.cert-gallery.dragging{cursor:grabbing;scroll-snap-type:none}
.cert-card{flex:0 0 clamp(300px,32vw,440px);scroll-snap-align:center;border:1px solid var(--border);border-radius:18px;overflow:hidden;background:var(--surface-solid);transition:transform .5s cubic-bezier(.22,1,.36,1),border-color .5s;user-select:none}
.cert-card:hover{transform:translateY(-6px);border-color:var(--teal)}
.cert-card img{width:100%;aspect-ratio:1600/1131;object-fit:cover;pointer-events:none}
.cert-card__cap{display:flex;justify-content:space-between;align-items:center;padding:.85rem 1.1rem;border-top:1px solid var(--border)}
.cert-hint{margin-top:.4rem;color:var(--text-faint)}

/* ═══════════════ UPWORK BAND ═══════════════ */
.upwork{padding:clamp(6rem,10vw,9rem) 0;border-block:1px solid var(--border);position:relative;z-index:2;background:radial-gradient(70% 90% at 50% 50%,rgba(20,168,0,.07),transparent 70%)}
.upwork__inner{text-align:center}
.upwork__avail{display:inline-flex;align-items:center;gap:.6rem;color:#7ee787}
[data-theme="light"] .upwork__avail{color:#1a7f37}
.upwork__dot{width:8px;height:8px;border-radius:50%;background:#28c840;animation:pulseDot 1.8s ease-out infinite}
@keyframes pulseDot{0%{box-shadow:0 0 0 0 rgba(40,200,64,.6)}70%{box-shadow:0 0 0 12px rgba(40,200,64,0)}100%{box-shadow:0 0 0 0 rgba(40,200,64,0)}}
.upwork__title{font-family:var(--font-display);font-weight:700;font-size:clamp(2.8rem,7vw,6rem);line-height:1;letter-spacing:-.03em;margin:1.4rem 0 1.2rem}
.upwork__sub{color:var(--text-dim);margin-bottom:2.4rem}
.upwork__btn{
  display:inline-flex;align-items:center;gap:.7rem;
  font-weight:700;font-size:1.05rem;color:#fff;
  background:var(--upwork);border-radius:100px;padding:1.15rem 2.6rem;
  transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s;
}
.upwork__btn:hover{transform:translateY(-3px);box-shadow:0 18px 50px rgba(20,168,0,.4)}

/* ═══════════════ CALENDLY ═══════════════ */
.section--book{background:radial-gradient(80% 60% at 50% 0%,color-mix(in srgb,var(--iris) 10%,transparent),transparent 70%)}
.cal-card{
  border-radius:26px;padding:8px;position:relative;
  background:linear-gradient(150deg,var(--card-hi),var(--card-lo)),var(--surface-solid);
  border:1px solid var(--border-strong);
  box-shadow:0 0 0 1px color-mix(in srgb,var(--iris) 20%,transparent),0 40px 110px var(--glow);
}
.cal-card::before{
  content:"";position:absolute;inset:-1px;border-radius:27px;padding:1px;pointer-events:none;
  background:conic-gradient(from var(--gb-angle,0deg),transparent 0%,var(--gold) 14%,var(--iris) 26%,var(--teal) 38%,transparent 55%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  animation:gbSpin 7s linear infinite;
}
.calendly-inline-widget{border-radius:18px;overflow:hidden;background:#fff}

/* ═══════════════ CONTACT ═══════════════ */
.contact__title{font-family:var(--font-display);font-weight:700;font-size:clamp(4rem,12vw,10.5rem);line-height:.95;letter-spacing:-.04em;margin:1rem 0 3.5rem}
.contact__grid{max-width:820px}
.contact__form{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.field{display:flex;flex-direction:column;gap:.5rem}
.field--full{grid-column:1/-1}
.field label{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim)}
.field input,.field select,.field textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1rem 1.1rem;transition:border-color .3s,background .3s;appearance:none}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a29cae' stroke-width='2' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1.1rem center}
[data-theme="light"] .field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2357516b' stroke-width='2' fill='none'/%3E%3C/svg%3E")}
.field select option{background:var(--surface-solid);color:var(--text)}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--violet);background:var(--pill-bg)}
.field.error input,.field.error textarea{border-color:#ff5c7a}
.field__err{display:none;font-size:.78rem;color:#ff5c7a}
.field.error .field__err{display:block}
.contact__form .btn--big{grid-column:1/-1}
.contact__alt{grid-column:1/-1;color:var(--text-dim);font-size:.92rem}
.contact__alt a{color:var(--teal);border-bottom:1px solid transparent;transition:border-color .25s}
.contact__alt a:hover{border-color:var(--teal)}

/* ═══════════════ BRAND SOCIAL CHIPS ═══════════════ */
.soc-chip{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.85rem;font-weight:500;color:var(--text);
  border:1px solid var(--border);border-radius:100px;
  padding:.62rem 1.15rem .62rem .65rem;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.soc-chip:hover{transform:translateY(-3px);border-color:var(--iris);box-shadow:0 12px 34px var(--chip-shadow)}
.soc-chip__ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#fff;flex-shrink:0}
.soc-chip__ic svg{width:16px;height:16px}
.soc-chip--icononly{padding:.5rem}
.soc-chip--icononly .soc-chip__ic{width:34px;height:34px;border-radius:10px}

/* ═══════════════ FOOTER ═══════════════ */
.footer{border-top:1px solid var(--border);padding:4rem 0 7rem;position:relative;z-index:2;background:var(--bg)}
.footer__socials{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:3rem}
.footer__bar{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;padding-top:2rem;border-top:1px solid var(--border);color:var(--text-faint);font-size:.85rem}
.back-top{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--text-dim);transition:color .25s}
.back-top:hover{color:var(--teal)}

/* ═══════════════ TICKER ═══════════════ */
.ticker{position:fixed;left:0;right:0;bottom:0;z-index:95;border-top:1px solid var(--border);background:var(--nav-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);overflow:hidden;padding:.55rem 0}
.ticker__track{display:flex;gap:2.4rem;width:max-content;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.22em;color:var(--text-faint);animation:marq 30s linear infinite;white-space:nowrap}

/* ═══════════════ LIGHTBOX ═══════════════ */
.lightbox{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox__backdrop{position:absolute;inset:0;background:var(--lb-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.lightbox__frame{position:relative;z-index:2;max-width:min(1180px,92vw);display:flex;flex-direction:column;gap:.9rem}
.lightbox__frame img{max-width:100%;max-height:78vh;object-fit:contain;border-radius:14px;border:1px solid var(--border-strong);box-shadow:0 50px 140px rgba(0,0,0,.6);transform:scale(.96);transition:transform .35s cubic-bezier(.22,1,.36,1)}
.lightbox.open .lightbox__frame img{transform:scale(1)}
.lightbox__cap{display:flex;justify-content:space-between;align-items:baseline;gap:1.4rem;font-family:var(--font-display);font-weight:600;letter-spacing:.12em;text-transform:uppercase;font-size:.95rem}
.lightbox__nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:52px;height:52px;border-radius:50%;border:1px solid var(--border-strong);background:var(--nav-bg);backdrop-filter:blur(12px);display:grid;place-items:center;transition:background .25s,color .25s,transform .25s}
.lightbox__nav:hover{background:var(--text);color:var(--bg)}
.lightbox__nav--prev{left:clamp(.8rem,3vw,2.4rem)}
.lightbox__nav--next{right:clamp(.8rem,3vw,2.4rem)}
.lightbox__close{position:absolute;top:clamp(1rem,3vw,2rem);right:clamp(1rem,3vw,2.4rem);z-index:3;width:46px;height:46px;border-radius:50%;border:1px solid var(--border-strong);background:var(--nav-bg);backdrop-filter:blur(12px);display:grid;place-items:center;transition:background .25s,color .25s}
.lightbox__close:hover{background:var(--text);color:var(--bg)}

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width:1080px){
  .services,.cases--3,.projects{grid-template-columns:repeat(2,1fr)}
  .project--wide{grid-column:1/-1}
  .platforms{grid-template-columns:repeat(3,1fr)}
  .ai-grid{grid-template-columns:repeat(2,1fr)}
  .stats__grid{grid-template-columns:repeat(3,1fr);row-gap:2.6rem}
  .roles{grid-template-columns:1fr;max-width:640px}
}
@media (max-width:860px){
  .nav__pill,.nav__cta{display:none}
  .nav__burger{display:flex}
  .hero__grid{grid-template-columns:1fr;padding-top:7rem;gap:2.6rem}
  .hero__hint{display:none}
  .portrait-card{margin:0;max-width:280px}
  .hero__bottom{padding-bottom:3.4rem}
  .hero__loc{display:none}
  .cases--3 .case-card--sm{flex-direction:column;align-items:flex-start;gap:.6rem}
  .contact__form{grid-template-columns:1fr}
  .section__head--row{flex-direction:column;align-items:flex-start}
  .platforms{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .services,.cases--3,.ai-grid,.projects{grid-template-columns:1fr}
  .project--wide{grid-template-columns:1fr}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .cert-card{flex-basis:82vw}
  .cf-card{width:64vw}
  .coverflow__stage{height:74vw}
  .lightbox__nav--prev{left:.5rem}
  .lightbox__nav--next{right:.5rem}
}

/* ═══════════════ REDUCED MOTION ═══════════════ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal,.line-mask>span,.reveal-lines .word>i{opacity:1;transform:none}
}