/* =========================================================================
   OAK DESIGNS STUDIO — Global design system
   Tokens · base · components · video-animation systems · responsive
   ========================================================================= */

/* ---------- Tokens ---------- */
:root{
  /* Palette */
  --ink:#071E22;
  --teal:#1D7874;
  --sage:#679289;
  --peach:#F4C095;
  --red:#EE2E31;
  --paper:#FAF8F4;
  --paper-2:#FFFFFF;

  /* Derived / utility */
  --ink-90:rgba(7,30,34,.90);
  --ink-55:rgba(7,30,34,.55);
  --ink-12:rgba(7,30,34,.12);
  --ink-06:rgba(7,30,34,.06);
  --paper-70:rgba(250,248,244,.72);
  --teal-20:rgba(29,120,116,.20);

  /* Type */
  --font-display:"Bricolage Grotesque","Clash Display",system-ui,sans-serif;
  --font-body:"Inter","Satoshi",system-ui,sans-serif;

  /* Fluid scale */
  --step--1:clamp(.82rem,.78rem + .2vw,.94rem);
  --step-0:clamp(1rem,.95rem + .25vw,1.12rem);
  --step-1:clamp(1.2rem,1.1rem + .5vw,1.5rem);
  --step-2:clamp(1.5rem,1.3rem + 1vw,2.1rem);
  --step-3:clamp(2rem,1.6rem + 2vw,3.2rem);
  --step-4:clamp(2.6rem,1.9rem + 3.4vw,4.6rem);
  --step-5:clamp(3.1rem,2rem + 5.4vw,5.8rem);

  /* Spacing */
  --gap:clamp(1rem,.7rem + 1.4vw,1.6rem);
  --section-y:clamp(4.5rem,3rem + 7vw,9rem);
  --container:min(1240px,92vw);
  --container-narrow:min(880px,90vw);

  /* Radius / shadow */
  --r-sm:8px; --r-md:16px; --r-lg:26px; --r-pill:999px;
  --shadow-1:0 4px 18px -8px rgba(7,30,34,.22);
  --shadow-2:0 24px 60px -24px rgba(7,30,34,.40);

  /* Motion */
  --ease:cubic-bezier(.25,.46,.45,.94);
  --ease-out:cubic-bezier(.16,1,.3,1);

  /* Z-index scale */
  --z-shapes:0; --z-content:2; --z-nav:60; --z-overlay:70;
  --z-cursor:80; --z-float:75; --z-chat:78; --z-curtain:120;
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%}
html,body{height:100%}
body{
  font-family:var(--font-body);
  font-size:var(--step-0);
  line-height:1.6;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* Lenis */
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}

img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul{list-style:none;padding:0}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:4px}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.04;letter-spacing:-.03em;text-wrap:balance}
h1{font-size:var(--step-5)}
h2{font-size:var(--step-4)}
h3{font-size:var(--step-2)}
p{text-wrap:pretty}
.lead{font-size:var(--step-1);line-height:1.5;max-width:60ch}
.measure{max-width:64ch}

/* ---------- Layout helpers ---------- */
.container{width:var(--container);margin-inline:auto}
.container-narrow{width:var(--container-narrow);margin-inline:auto}
.section{position:relative;padding-block:var(--section-y);overflow:clip}
.section__inner{position:relative;z-index:var(--z-content)}
.stack>*+*{margin-top:1.1em}
.eyebrow{font-family:var(--font-body);font-weight:600;letter-spacing:.18em;text-transform:uppercase;font-size:var(--step--1);color:var(--teal)}
.grid{display:grid;gap:var(--gap)}

/* Section colour fields */
.sec--paper{background:var(--paper);color:var(--ink)}
.sec--paper2{background:var(--paper-2);color:var(--ink)}
.sec--ink{background:var(--ink);color:var(--paper)}
.sec--teal{background:var(--teal);color:var(--paper)}
.sec--sage{background:var(--sage);color:var(--ink)}
.sec--peach{background:var(--peach);color:var(--ink)}
.sec--ink .eyebrow,.sec--teal .eyebrow{color:var(--peach)}
.sec--sage .eyebrow{color:var(--ink)}
.sec--ink h1,.sec--ink h2,.sec--ink h3,.sec--teal h2,.sec--teal h3{color:var(--paper)}
.on-dark{color:var(--paper)}

/* ---------- Buttons ---------- */
.btn{
  --btn-bg:var(--ink);--btn-fg:var(--paper);
  position:relative;display:inline-flex;align-items:center;gap:.6em;
  padding:.95em 1.6em;border-radius:var(--r-pill);
  font-weight:600;font-size:var(--step-0);
  background:var(--btn-bg);color:var(--btn-fg);
  overflow:hidden;isolation:isolate;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background-color .3s;
  will-change:transform;
}
.btn:hover{box-shadow:var(--shadow-2)}
.btn .btn__ripple{position:absolute;inset:0;z-index:-1;pointer-events:none}
.btn .btn__ripple span{position:absolute;border-radius:50%;background:rgba(255,255,255,.28);transform:scale(0);animation:ripple .6s var(--ease-out)}
@keyframes ripple{to{transform:scale(2.6);opacity:0}}
.btn--primary{--btn-bg:var(--red);--btn-fg:#fff}
.btn--teal{--btn-bg:var(--teal);--btn-fg:#fff}
.btn--peach{--btn-bg:var(--peach);--btn-fg:var(--ink)}
.btn--ghost{--btn-bg:transparent;--btn-fg:currentColor;border:1.5px solid currentColor}
.btn--ghost:hover{--btn-bg:currentColor}
.btn--ghost:hover{color:var(--ink)}
.sec--ink .btn--ghost:hover,.sec--teal .btn--ghost:hover{color:var(--ink)}
.btn__arrow{transition:transform .4s var(--ease)}
.btn:hover .btn__arrow{transform:translateX(4px)}

/* Animated underline links */
.ulink{position:relative;font-weight:600}
.ulink::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.ulink:hover::after{transform:scaleX(1)}
.ulink:not(:hover)::after{transform-origin:right}

/* ---------- Custom cursor ---------- */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;border-radius:50%;pointer-events:none;z-index:var(--z-cursor);mix-blend-mode:normal}
.cursor-dot{width:8px;height:8px;background:var(--peach);transform:translate(-50%,-50%)}
.cursor-ring{width:40px;height:40px;border:1.5px solid var(--peach);transform:translate(-50%,-50%);transition:width .3s var(--ease),height .3s var(--ease),background-color .3s,border-color .3s}
.cursor-ring.is-hover{width:62px;height:62px;background:var(--teal-20);border-color:var(--teal)}
.cursor-ring.is-down{width:30px;height:30px}
@media (hover:none),(pointer:coarse){.cursor-dot,.cursor-ring{display:none!important}}
.has-cursor *{cursor:none}
.has-cursor a,.has-cursor button{cursor:none}

/* ---------- Navigation ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:var(--z-nav);
  display:flex;align-items:center;justify-content:space-between;
  padding:clamp(.7rem,.5rem+.8vw,1.1rem) clamp(1rem,4vw,2.4rem);
  transition:background-color .4s var(--ease),backdrop-filter .4s,box-shadow .4s,padding .4s}
.nav.is-scrolled{background:var(--paper-70);backdrop-filter:blur(14px) saturate(1.2);box-shadow:0 1px 0 var(--ink-06),var(--shadow-1)}
.nav__brand{display:flex;align-items:center;z-index:2}
.nav__brand img{height:clamp(54px,6.5vw,80px);width:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.35))}
.nav__links{display:flex;align-items:center;gap:clamp(1rem,2vw,2rem)}
.nav__link{font-weight:500;font-size:var(--step--1);letter-spacing:.01em;position:relative;color:var(--paper);transition:color .3s;text-shadow:0 1px 8px rgba(0,0,0,.35)}
.nav.is-scrolled .nav__link{color:var(--ink);text-shadow:none}
.nav__link.is-active{color:var(--peach)}
.nav.is-scrolled .nav__link.is-active{color:var(--teal)}
.nav__link::after{content:"";position:absolute;left:0;bottom:-5px;height:2px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__cta{display:inline-flex}
.nav__toggle{display:none;width:46px;height:46px;border-radius:50%;align-items:center;justify-content:center;z-index:2;position:relative}
.nav__toggle span{position:absolute;width:24px;height:2px;background:var(--paper);transition:transform .4s var(--ease),opacity .3s;box-shadow:0 0 6px rgba(0,0,0,.3)}
.nav.is-scrolled .nav__toggle span{background:var(--ink);box-shadow:none}
.nav__toggle span:nth-child(1){transform:translateY(-6px)}
.nav__toggle span:nth-child(3){transform:translateY(6px)}
body.menu-open .nav__toggle span:nth-child(1){transform:rotate(45deg)}
body.menu-open .nav__toggle span:nth-child(2){opacity:0}
body.menu-open .nav__toggle span:nth-child(3){transform:rotate(-45deg)}

/* Mobile overlay */
.nav-overlay{position:fixed;inset:0;z-index:var(--z-overlay);background:var(--ink);
  display:flex;flex-direction:column;justify-content:center;gap:.2rem;padding:2rem clamp(1.4rem,7vw,4rem);
  clip-path:circle(0% at calc(100% - 46px) 40px);transition:clip-path .7s var(--ease-out);pointer-events:none}
body.menu-open .nav-overlay{clip-path:circle(150% at calc(100% - 46px) 40px);pointer-events:auto}
.nav-overlay a{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,9vw,3.4rem);color:var(--paper);
  padding:.18em 0;letter-spacing:-.03em;opacity:0;transform:translateX(-40px)}
.nav-overlay a .idx{font-family:var(--font-body);font-size:.9rem;color:var(--peach);font-weight:600;margin-right:.8em;vertical-align:super}
.nav-overlay .nav-overlay__foot{margin-top:2rem;color:var(--sage);font-size:var(--step--1);opacity:0;transform:translateX(-40px)}

/* ---------- Floating ambient shapes ---------- */
.shapes{position:absolute;inset:0;z-index:var(--z-shapes);pointer-events:none;overflow:hidden}
.shape{position:absolute;opacity:.5;will-change:transform}
.shape--ring{border:1.5px solid currentColor;border-radius:50%}
.shape--dot{background:currentColor;border-radius:50%}
.shape--bar{background:currentColor}
.shape--peach{color:var(--peach);opacity:.45}
.shape--sage{color:var(--sage);opacity:.4}
.shape--teal{color:var(--teal);opacity:.28}

/* Big faded section numeral */
.numeral{position:absolute;font-family:var(--font-display);font-weight:800;line-height:.8;
  font-size:clamp(7rem,22vw,17rem);color:var(--ink);opacity:.05;z-index:1;pointer-events:none;letter-spacing:-.04em}
.sec--ink .numeral,.sec--teal .numeral{color:var(--paper);opacity:.06}
.numeral--tr{top:6%;right:3%}
.numeral--tl{top:8%;left:2%}

/* ---------- Reveal base (only gate when JS engine is live) ---------- */
.gsap-ready [data-reveal]{opacity:0}
.gsap-ready [data-reveal="up"]{transform:translateY(42px)}
.gsap-ready [data-reveal="left"]{transform:translateX(-46px)}
.gsap-ready [data-reveal="right"]{transform:translateX(46px)}
.gsap-ready [data-reveal="scale"]{transform:scale(.94)}
.gsap-ready [data-reveal="clip"]{clip-path:inset(0 0 100% 0)}

/* ---------- HERO video block ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;
  padding:0 0 clamp(3rem,8vh,7rem);color:var(--paper);isolation:isolate}
.hero__media,.video-frame{position:absolute;inset:0;z-index:-2;overflow:hidden;
  background:linear-gradient(135deg,var(--ink),var(--teal))}
.hero__media video,.video-frame video{width:100%;height:100%;object-fit:cover}
.hero__media.video-failed video{display:none}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink-55)}
.hero--grad-bottom::after{background:linear-gradient(180deg,rgba(7,30,34,.35) 0%,rgba(7,30,34,.25) 40%,rgba(7,30,34,.78) 100%)}
.hero__inner{width:var(--container);margin-inline:auto;position:relative;z-index:1}
.hero h1{font-size:var(--step-5);max-width:16ch}
.hero .word{display:inline-block}
.hero__sub{margin-top:1.2rem;font-size:var(--step-1);max-width:46ch;color:rgba(250,248,244,.9)}
.hero__ctas{margin-top:2rem;display:flex;flex-wrap:wrap;gap:.9rem}
.scroll-hint{position:absolute;left:50%;bottom:1.4rem;transform:translateX(-50%);z-index:1;
  display:flex;flex-direction:column;align-items:center;gap:.4rem;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(250,248,244,.7)}
.scroll-hint .line{width:1px;height:42px;background:linear-gradient(var(--peach),transparent);animation:hintline 1.8s var(--ease) infinite}
@keyframes hintline{0%{transform:scaleY(.2);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(.2);transform-origin:bottom}}

/* ---------- PATTERN A — scroll-scrubbed video ---------- */
.scrub-section{position:relative;height:400vh;background:var(--ink)}
.scrub-stage{position:relative;height:100vh;width:100%;overflow:hidden;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--ink),var(--teal))}
.scrub-stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scrub-stage.video-failed video{display:none}
.scrub-stage::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,30,34,.35),rgba(7,30,34,.65))}
.scrub-caption{position:relative;z-index:2;text-align:center;color:var(--paper);width:min(800px,86vw)}
.scrub-caption h2{font-size:var(--step-4)}
.scrub-progress{position:absolute;left:0;bottom:0;height:4px;width:0%;background:var(--peach);z-index:3}

/* ---------- PATTERN B — shape-morph reveal ---------- */
.morph{position:relative;width:100%;height:78vh;min-height:440px;overflow:hidden;will-change:clip-path;
  background:linear-gradient(135deg,var(--ink),var(--teal))}
.morph video{width:100%;height:100%;object-fit:cover}
.morph.video-failed video{display:none}
.morph__border{position:absolute;inset:0;pointer-events:none;border:2px solid var(--peach);border-radius:50%;opacity:0;
  width:170px;height:170px;left:50%;top:50%;transform:translate(-50%,-50%)}
.morph__cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:clamp(1.4rem,4vw,3rem);
  background:linear-gradient(transparent,rgba(7,30,34,.7));color:var(--paper)}

/* ---------- PATTERN C — viewport-triggered bg video ---------- */
.video-bg{position:relative;isolation:isolate}
.video-bg__media{position:absolute;inset:0;z-index:-2;overflow:hidden;background:var(--ink)}
.video-bg__media video{width:100%;height:100%;object-fit:cover}
.video-bg__media.video-failed video{display:none}
.video-bg__tint{position:absolute;inset:0;z-index:-1;mix-blend-mode:multiply}
.tint--ink{background:var(--ink-90)}
.tint--teal{background:var(--teal);opacity:.82}
.tint--sage{background:var(--sage);opacity:.86}

/* ---------- PATTERN D — parallax video layers ---------- */
.vparallax{position:relative;min-height:80vh;overflow:hidden;isolation:isolate;background:var(--ink)}
.vparallax__bg,.vparallax__fg{position:absolute;inset:-12% 0;width:100%;height:124%;object-fit:cover}
.vparallax__bg{z-index:-2;filter:saturate(.85)}
.vparallax__fg{z-index:-1}
.vparallax::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink-55)}

/* ---------- Cards ---------- */
.card-img{position:relative;overflow:hidden;border-radius:var(--r-md);background:linear-gradient(135deg,var(--sage),var(--ink))}
.card-img img,.card-img video{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.card-img.video-failed img{opacity:0}
.ken img{will-change:transform}

.svc-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.svc-card{position:relative;background:var(--paper-2);border-radius:var(--r-lg);padding:1.6rem;overflow:hidden;
  border:1px solid var(--ink-12);transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-2)}
.svc-card__no{font-family:var(--font-display);font-weight:800;font-size:1.4rem;color:var(--peach)}
.svc-card h3{font-size:var(--step-1);margin:.6rem 0 .5rem}
.svc-card p{font-size:var(--step--1);color:rgba(7,30,34,.72)}
.sec--sage .svc-card,.sec--teal .svc-card{background:rgba(255,255,255,.94)}

.value{display:flex;gap:1rem;align-items:flex-start}
.value__no{font-family:var(--font-display);font-weight:800;font-size:1.6rem;color:var(--peach);line-height:1}
.value h3{font-size:var(--step-1)}

/* Stats */
.stats{display:flex;flex-wrap:wrap;gap:clamp(1.4rem,5vw,4rem)}
.stat__num{font-family:var(--font-display);font-weight:800;font-size:var(--step-4);line-height:1;letter-spacing:-.04em}
.stat__label{font-size:var(--step--1);opacity:.78;margin-top:.4rem;max-width:18ch}

/* Project grid + filter */
.filterbar{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2rem}
.filter-btn{padding:.5em 1.1em;border-radius:var(--r-pill);border:1.5px solid var(--ink-12);font-weight:600;font-size:var(--step--1);transition:.3s}
.filter-btn.is-active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.proj-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.proj{grid-column:span 4;position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;background:var(--sage)}
.proj--wide{grid-column:span 6}
.proj img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.proj:hover img{transform:scale(1.07)}
.proj__cap{position:absolute;inset:auto 0 0 0;padding:1rem 1.1rem;color:var(--paper);
  background:linear-gradient(transparent,rgba(7,30,34,.82));transform:translateY(8px);opacity:0;transition:.4s var(--ease)}
.proj:hover .proj__cap{transform:translateY(0);opacity:1}
.proj__cap .t{font-family:var(--font-display);font-weight:700;font-size:var(--step-1)}
.proj__cap .m{font-size:var(--step--1);color:var(--peach)}
/* Portrait real-photo gallery */
.proj-grid--portrait{grid-template-columns:repeat(auto-fill,minmax(clamp(140px,30vw,220px),1fr));align-items:start}
.proj-grid--portrait .proj{grid-column:auto;aspect-ratio:3/4}
.proj--tall{aspect-ratio:3/4}
.proj-grid--portrait .proj__cap{transform:none;opacity:1;background:linear-gradient(transparent 38%,rgba(7,30,34,.85))}
.proj-grid--portrait .proj .proj__cap .t{font-size:var(--step-0)}

/* Testimonials */
.tslider{position:relative;overflow:hidden}
.ttrack{display:flex;transition:transform .7s var(--ease)}
.tcard{flex:0 0 100%;padding:clamp(1.4rem,4vw,3rem);text-align:center}
.tcard blockquote{font-family:var(--font-display);font-weight:600;font-size:var(--step-2);line-height:1.25;max-width:24ch;margin-inline:auto}
.tcard cite{display:block;margin-top:1.4rem;font-style:normal;font-weight:600}
.tcard .role{font-size:var(--step--1);opacity:.7}
.tdots{display:flex;gap:.5rem;justify-content:center;margin-top:1.6rem}
.tdot{width:9px;height:9px;border-radius:50%;background:var(--ink-12);transition:.3s}
.tdot.is-active{background:var(--teal);width:26px;border-radius:var(--r-pill)}

/* Team */
.team-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr))}
.member{text-align:center}
.member__ph{aspect-ratio:3/4;border-radius:var(--r-md);overflow:hidden;background:linear-gradient(150deg,var(--sage),var(--ink));
  display:flex;align-items:center;justify-content:center;position:relative}
.member__ph img{width:100%;height:100%;object-fit:cover}
.member__ph .mono{height:54px;opacity:.6}
.member h3{font-size:var(--step-1);margin-top:.8rem}
.member .role{font-size:var(--step--1);color:var(--teal)}

/* Process timeline */
.timeline{position:relative}
.tl-progress{position:fixed;left:0;top:0;height:4px;width:0;background:var(--peach);z-index:50}
.step{display:grid;grid-template-columns:auto 1fr;gap:clamp(1rem,3vw,2.4rem);align-items:start;padding-block:clamp(2rem,5vw,4rem)}
.step__no{font-family:var(--font-display);font-weight:800;font-size:clamp(2.4rem,7vw,4.4rem);color:var(--peach);line-height:1;
  transform-style:preserve-3d}
.step__media{margin-top:1.4rem}
.step h3{font-size:var(--step-2)}

/* ---------- Forms ---------- */
.form{display:grid;gap:1.4rem;max-width:640px}
.field{position:relative}
.field input,.field select,.field textarea{width:100%;padding:1.3rem 1rem .7rem;border:1.5px solid var(--ink-12);
  border-radius:var(--r-sm);background:var(--paper-2);font:inherit;color:var(--ink);transition:border-color .3s}
.field textarea{min-height:140px;resize:vertical}
.field label{position:absolute;left:1rem;top:1rem;color:rgba(7,30,34,.55);pointer-events:none;transition:.25s var(--ease);font-size:var(--step-0)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal)}
.field input:focus+label,.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,.field textarea:not(:placeholder-shown)+label,
.field select:focus+label,.field select:valid+label{top:.45rem;font-size:.7rem;color:var(--teal);font-weight:600;letter-spacing:.04em}
.form__success{display:none;text-align:center;padding:2rem}
.form__success.is-on{display:block}
.checkmark{width:84px;height:84px;margin:0 auto 1rem}
.checkmark circle{stroke:var(--teal);stroke-width:3;fill:none;stroke-dasharray:166;stroke-dashoffset:166}
.checkmark path{stroke:var(--teal);stroke-width:4;fill:none;stroke-linecap:round;stroke-dasharray:48;stroke-dashoffset:48}

/* Map */
.map-frame{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--ink-12);min-height:380px;background:var(--sage)}
.map-frame iframe{width:100%;height:100%;min-height:380px;border:0;display:block}

/* ---------- Floating actions: WhatsApp + chatbot ---------- */
.fab-stack{position:fixed;right:clamp(1rem,3vw,1.6rem);bottom:clamp(1rem,3vw,1.6rem);z-index:var(--z-float);
  display:flex;flex-direction:column;gap:.8rem;align-items:flex-end}
.fab{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow-2);
  transition:transform .3s var(--ease)}
.fab:hover{transform:scale(1.08)}
.fab svg{width:28px;height:28px}
.fab--wa{background:#25D366}
.fab--wa::after{content:"";position:absolute;width:58px;height:58px;border-radius:50%;border:2px solid #25D366;
  animation:pulse 2.4s var(--ease) infinite;pointer-events:none}
@keyframes pulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.7);opacity:0}}
.fab--chat{background:var(--teal);color:#fff}

/* Chat panel */
.chat{position:fixed;right:clamp(1rem,3vw,1.6rem);bottom:calc(clamp(1rem,3vw,1.6rem) + 140px);
  width:min(360px,92vw);max-height:min(560px,72vh);z-index:var(--z-chat);
  background:var(--paper-2);border-radius:var(--r-lg);box-shadow:var(--shadow-2);overflow:hidden;
  display:flex;flex-direction:column;transform:translateY(20px) scale(.96);opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);transform-origin:bottom right}
.chat.is-open{opacity:1;transform:none;pointer-events:auto}
.chat__head{background:var(--ink);color:var(--paper);padding:1rem 1.2rem;display:flex;align-items:center;gap:.7rem}
.chat__head .dot{width:10px;height:10px;border-radius:50%;background:#46d39a;box-shadow:0 0 8px #46d39a}
.chat__head strong{font-family:var(--font-display)}
.chat__head .x{margin-left:auto;font-size:1.3rem;line-height:1}
.chat__body{padding:1rem;overflow-y:auto;display:flex;flex-direction:column;gap:.7rem;flex:1}
.msg{max-width:84%;padding:.65rem .85rem;border-radius:14px;font-size:var(--step--1);line-height:1.45;white-space:pre-wrap}
.msg--bot{background:var(--paper);border:1px solid var(--ink-12);align-self:flex-start;border-bottom-left-radius:4px}
.msg--me{background:var(--teal);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.msg--typing{display:flex;gap:4px}
.msg--typing span{width:6px;height:6px;border-radius:50%;background:var(--sage);animation:typing 1.1s infinite}
.msg--typing span:nth-child(2){animation-delay:.15s}.msg--typing span:nth-child(3){animation-delay:.3s}
@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}
.chat__chips{display:flex;flex-wrap:wrap;gap:.4rem;padding:0 1rem .6rem}
.chip{padding:.4em .8em;border-radius:var(--r-pill);border:1.5px solid var(--ink-12);font-size:.74rem;font-weight:600;transition:.25s}
.chip:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chat__foot{display:flex;gap:.5rem;padding:.8rem;border-top:1px solid var(--ink-12)}
.chat__foot input{flex:1;padding:.7rem .9rem;border:1.5px solid var(--ink-12);border-radius:var(--r-pill);font:inherit}
.chat__foot button{width:42px;height:42px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;flex:0 0 auto}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:var(--paper);padding:clamp(3.5rem,8vw,6rem) 0 2rem}
.footer__top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2.4rem}
.footer__brand img{height:84px;width:auto;margin-bottom:1rem}
.footer__brand p{color:var(--sage);max-width:34ch}
.footer h4{font-family:var(--font-display);font-size:var(--step-1);margin-bottom:1rem;color:var(--peach)}
.footer a{color:rgba(250,248,244,.82);display:inline-block;padding:.22rem 0}
.footer a:hover{color:var(--peach)}
.footer__bottom{margin-top:3rem;padding-top:1.6rem;border-top:1px solid rgba(250,248,244,.14);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;color:var(--sage);font-size:var(--step--1)}
.socials{display:flex;gap:.8rem}
.socials a{width:38px;height:38px;border:1px solid rgba(250,248,244,.2);border-radius:50%;display:grid;place-items:center}
.socials a:hover{background:var(--peach);color:var(--ink);border-color:var(--peach)}

/* ---------- Page transition curtain + loader ---------- */
.curtain{position:fixed;inset:0;z-index:var(--z-curtain);background:var(--ink);transform:translateY(100%);
  display:grid;place-items:center;pointer-events:none}
.curtain img{height:96px;width:auto;opacity:0;transform:scale(.9)}
.loader{position:fixed;inset:0;z-index:var(--z-curtain);background:var(--ink);display:grid;place-items:center}
.loader__inner{text-align:center}
.loader img{height:clamp(180px,30vw,280px);width:auto;margin-bottom:1.4rem}
.loader__txt{font-family:var(--font-display);font-weight:700;letter-spacing:.04em;color:var(--peach);font-size:var(--step-1)}
body.is-loaded .loader{display:none}

/* ---------- CTA band ---------- */
.cta-band{text-align:center}
.cta-band h2{max-width:18ch;margin-inline:auto}
.cta-band .hero__ctas{justify-content:center;margin-top:1.8rem}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .footer__top{grid-template-columns:1fr 1fr}
  .proj{grid-column:span 6}
  .proj--wide{grid-column:span 12}
}
@media (max-width:760px){
  .nav__links{position:fixed;inset:0;flex-direction:column;justify-content:center;pointer-events:none;visibility:hidden}
  .nav__links>.nav__link,.nav__links>.nav__cta{display:none}
  .nav__toggle{display:flex}
  .footer__top{grid-template-columns:1fr}
  .step{grid-template-columns:1fr;gap:.6rem}
  .step__no{font-size:clamp(2.6rem,16vw,4rem)}
  .proj,.proj--wide{grid-column:span 12;aspect-ratio:16/10}
  .hero{align-items:center;text-align:left}
  .stats{gap:1.6rem 2.4rem}
}
@media (max-width:480px){
  .chat{bottom:calc(clamp(1rem,3vw,1.6rem) + 130px)}
  .fab{width:52px;height:52px}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .scrub-section{height:auto}
  .scrub-stage{height:70vh;position:relative}
  .morph{clip-path:none!important}
  .shape,.numeral{display:none}
  .gsap-ready [data-reveal]{opacity:1!important;transform:none!important;clip-path:none!important}
}