:root{
  --bg:#03060d;
  --blue:#0a1525;
  --blue2:#12304c;
  --text:#f7f9fb;
  --muted:#c9d3df;
  --red:#ff3b2d;
  --red2:#c81f14;
  --line:rgba(180,212,255,.14);
  --glass:rgba(7,16,29,.68);
  --glass2:rgba(13,29,49,.58);
  --shadow:0 28px 90px rgba(0,0,0,.38);
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#03060d}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--text);background:linear-gradient(180deg,#03060d 0%,#0a1320 55%,#050811 100%);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}
.shell{width:min(calc(100% - 36px),var(--max));margin-inline:auto}
.eyebrow{margin:0;color:var(--red);font-size:.78rem;font-weight:900;letter-spacing:.24em;text-transform:uppercase}
.reveal{opacity:0;transform:translateY(30px) scale(.985);filter:blur(4px);transition:opacity .82s cubic-bezier(.2,.8,.2,1),transform .82s cubic-bezier(.2,.8,.2,1),filter .82s ease}
.reveal.visible{opacity:1;transform:none;filter:none}

/* INDEX */
.entry-page{min-height:100svh;background:radial-gradient(circle at 50% 42%,rgba(255,59,45,.14),transparent 18%),linear-gradient(180deg,#000 0%,#15283c 54%,#05070c 100%)}
.entry-stage{min-height:100svh;display:grid;place-items:center;padding:20px}
.entry-link{position:relative;display:grid;place-items:center;cursor:pointer;transition:transform .25s ease}
.entry-link:hover,.entry-link:focus-visible{transform:scale(1.015)}
.entry-glow{position:absolute;width:min(84vw,660px);height:min(64vh,560px);border-radius:50%;background:radial-gradient(circle,rgba(255,59,45,.20),rgba(255,59,45,.03) 48%,transparent 74%);filter:blur(22px)}
.entry-spines{position:relative;width:min(86vw,650px);max-height:80svh;object-fit:contain;filter:drop-shadow(0 30px 80px rgba(0,0,0,.76))}
.entry-title{position:absolute;left:50%;top:50%;transform:translate(-50%,-10%);font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:clamp(2.5rem,8.2vw,5.8rem);letter-spacing:.06em;color:var(--red);text-shadow:0 10px 30px rgba(0,0,0,.6);white-space:nowrap}

/* BACKGROUND / SCENE */
.scrolly-body{position:relative;overflow-x:hidden;background:linear-gradient(180deg,#03060d 0%,#091221 52%,#040811 100%)}
.scene-bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.vitruvio-layer{position:absolute;inset:-8vh -6vw;background:url('../img/vitruvio-blue-reference.jpg') center center / cover no-repeat;opacity:.56;transform:translate3d(0,var(--parallax-y,0px),0) scale(1.06);will-change:transform}
.blue-atmosphere{position:absolute;inset:-8vh 0;background:radial-gradient(circle at 50% 42%,rgba(156,205,255,.18),transparent 26%),radial-gradient(circle at 18% 28%,rgba(255,59,45,.08),transparent 17%),linear-gradient(180deg,rgba(3,6,13,.18),rgba(3,10,20,.56) 38%,rgba(4,8,17,.84));transform:translate3d(0,var(--parallax-soft-y,0px),0);will-change:transform}
.vignette{position:absolute;inset:0;background:radial-gradient(circle at center,transparent 0%,rgba(0,0,0,.08) 42%,rgba(0,0,0,.68) 100%)}
.scanline{position:absolute;inset:0;background:repeating-linear-gradient(180deg,rgba(255,255,255,.012) 0 1px,transparent 1px 5px);opacity:.25}
.story-section,.site-header,.site-footer,.whatsapp-fab,.scroll-progress,.chapter-rail{position:relative;z-index:1}
.story-section{min-height:100svh;display:flex;align-items:center;padding:110px 0;position:relative}
.story-section::after{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:linear-gradient(180deg,transparent,rgba(180,212,255,.11),transparent);opacity:.7;transform:translateX(-50%)}
.story-section>.shell{position:relative;z-index:2}

/* HEADER */
.site-header{position:fixed;inset:0 0 auto;z-index:100;background:linear-gradient(180deg,rgba(3,6,13,.94),rgba(3,6,13,.70) 72%,rgba(3,6,13,0));backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-color:rgba(180,212,255,.12)}
.nav-row{height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:1.3rem;letter-spacing:.06em;color:var(--red);white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nav-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:999px;background:linear-gradient(180deg,var(--red),var(--red2));color:#fff;font-size:.92rem;font-weight:800;box-shadow:0 10px 24px rgba(255,59,45,.22);transition:.22s}
.nav-btn:hover,.nav-btn.active{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 12px 28px rgba(255,59,45,.30)}
.menu-toggle{display:none;width:48px;height:48px;border-radius:50%;border:1px solid rgba(180,212,255,.18);background:rgba(255,255,255,.06);backdrop-filter:blur(8px);position:relative;padding:0;flex:0 0 auto}
.menu-toggle span{position:absolute;left:12px;right:12px;height:1.7px;background:#fff;transition:.25s}.menu-toggle span:nth-child(1){top:15px}.menu-toggle span:nth-child(2){top:23px}.menu-toggle span:nth-child(3){top:31px}.menu-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}.menu-toggle.open span:nth-child(2){opacity:0}.menu-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.nav-mobile{display:none;background:rgba(4,10,18,.96);padding:6px 18px 18px;border-bottom:1px solid rgba(180,212,255,.10)}.nav-mobile a{display:block;padding:14px 0;border-bottom:1px solid rgba(180,212,255,.08);font-weight:800}.nav-mobile.open{display:block}
.scroll-progress{position:fixed;left:0;top:0;width:100%;height:3px;z-index:130}.scroll-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--red),#ffa196)}

/* CHAPTER RAIL */
.chapter-rail{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:80;display:grid;gap:10px}
.chapter-dot{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(180,212,255,.16);background:rgba(6,15,27,.46);backdrop-filter:blur(8px);color:#9fb0c1;font-size:.68rem;font-weight:900;transition:.2s}
.chapter-dot.active{background:linear-gradient(180deg,var(--red),var(--red2));color:#fff;border-color:transparent;box-shadow:0 8px 22px rgba(255,59,45,.26)}

/* HERO */
.hero-layout{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(320px,.98fr);gap:32px;align-items:center}
.hero-copy h1{margin:16px 0 20px;font-size:clamp(3.7rem,7.8vw,8rem);line-height:.84;letter-spacing:-.09em;font-weight:900;max-width:860px;overflow-wrap:normal}
.hero-copy h1 span{color:var(--red)}
.lead{max-width:720px;margin:0;color:var(--muted);font-size:clamp(1rem,1.65vw,1.16rem);line-height:1.82}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.cta{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 20px;border-radius:999px;font-weight:800;font-size:.94rem;transition:.2s}.cta:hover{transform:translateY(-2px)}.cta-red{background:linear-gradient(180deg,var(--red),var(--red2));color:#fff;box-shadow:0 14px 34px rgba(255,59,45,.24)}.cta-dark{border:1px solid rgba(180,212,255,.16);background:rgba(180,212,255,.05);color:#fff}
.hero-metrics{display:grid;gap:16px}.metric-card,.glass-card,.service-card,.hvla-card{border:1px solid var(--line);background:linear-gradient(180deg,var(--glass),var(--glass2));backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.metric-card{padding:24px;border-radius:28px;min-width:0}.metric-card small{display:block;color:var(--red);font-size:.72rem;font-weight:900;letter-spacing:.22em}.metric-card h3{margin:10px 0 10px;font-size:1.5rem;line-height:1.08;font-weight:900;letter-spacing:-.03em;overflow-wrap:anywhere}.metric-card p{margin:0;color:var(--muted);line-height:1.66}.focus-accent{background:linear-gradient(135deg,rgba(10,22,40,.84),rgba(255,59,45,.12))}
.scroll-cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);display:grid;justify-items:center;gap:8px;z-index:2;color:#c3d3e3;font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.scroll-cue i{display:block;width:1px;height:42px;background:linear-gradient(180deg,rgba(195,211,227,.12),var(--red))}

/* APPROACH */
.split-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:26px;align-items:center}.section-intro h2,.section-title h2{margin:14px 0 0;font-size:clamp(2.8rem,5.6vw,5.6rem);line-height:.92;letter-spacing:-.07em;font-weight:900;max-width:860px}.section-intro h2 span{color:#fff}.section-lead{max-width:620px;color:#c9d3df;line-height:1.78;font-size:1.05rem;margin:22px 0 0}.sticky-copy{position:sticky;top:118px}
.quote-stack{display:grid;gap:18px}.quote-card{padding:24px;border-radius:28px;min-width:0}.quote-index{display:block;color:var(--red);font-size:.72rem;letter-spacing:.2em;margin-bottom:9px}.quote-card strong{display:block;font-size:1.12rem;font-weight:900;letter-spacing:-.03em}.quote-card p{margin:10px 0 0;color:#d0d8e0;line-height:1.72}.offset-1{transform:translateX(32px)}.offset-2{transform:translateX(64px)}

/* SERVICES */
.centered{text-align:center}.centered h2{margin-inline:auto}.services-grid{display:grid;gap:18px;margin-top:38px}.v13-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.service-card{padding:30px;border-radius:30px;position:relative;overflow:hidden;min-width:0}.service-card::before{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(135deg,rgba(255,255,255,.03),transparent 42%,rgba(255,59,45,.05));pointer-events:none}.service-card::after{content:"";position:absolute;inset:auto -90px -90px auto;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(135,183,255,.10),transparent 64%)}.service-card-accent{background:linear-gradient(135deg,rgba(10,22,40,.84),rgba(255,59,45,.10))}.service-n{display:block;color:var(--red);font-size:.74rem;font-weight:900;letter-spacing:.22em}.service-card h3{margin:14px 0 12px;font-size:clamp(1.48rem,2.15vw,2.24rem);line-height:1.06;font-weight:900;letter-spacing:-.04em;overflow-wrap:anywhere}.service-card p{margin:0;color:#d1d8e1;line-height:1.72;max-width:100%;overflow-wrap:anywhere}.card-line{display:block;width:56px;height:2px;margin-top:24px;background:linear-gradient(90deg,var(--red),transparent)}
.service-a{transform:translateY(0)}.service-b{transform:translateY(24px)}.service-c{transform:translateY(-6px)}.service-d{transform:translateY(18px)}

/* HVLA */
.hvla-grid{display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px;align-items:start}.hvla-side h2{margin:16px 0 12px;font-size:clamp(4.9rem,10vw,9rem);line-height:.78;letter-spacing:-.095em;font-weight:900}.hvla-side h2 span{color:var(--red)}.hvla-kicker{margin:0;color:#d4dbe5;line-height:1.6;font-size:1.02rem}.hvla-card{padding:32px;border-radius:30px;min-width:0}.hvla-card p{margin:0 0 20px;color:#d1d8e1;line-height:1.9;font-size:1rem;overflow-wrap:break-word}.hvla-note{margin-top:22px;padding:18px 20px;border-left:3px solid var(--red);background:rgba(255,255,255,.05);line-height:1.72;border-radius:0 18px 18px 0}

/* FOOTER / EXACT WHATSAPP ASSET */
.site-footer{padding:28px 0 34px;border-top:1px solid rgba(180,212,255,.10)}.footer-row{display:flex;align-items:center;justify-content:space-between;gap:18px;color:#97a9bc;font-size:.8rem}
.image-fab{position:fixed;right:18px;bottom:18px;z-index:120;display:grid;place-items:center;width:76px;height:76px;border-radius:50%;overflow:hidden;background:#25b63a;border:1px solid rgba(89,255,145,.25);box-shadow:0 16px 42px rgba(0,0,0,.34),0 0 0 8px rgba(37,211,102,.07)}
.image-fab::before{content:"";position:absolute;inset:-8px;border-radius:50%;border:1px solid rgba(69,255,144,.18);animation:pulseRing 2.5s ease-out infinite;z-index:-1}
.whatsapp-logo-crop{display:block;width:100%;height:100%;border-radius:50%;background-image:url('../img/whatsapp-logo-original.png');background-repeat:no-repeat;background-position:center;background-size:auto 100%}
@keyframes pulseRing{0%{transform:scale(.9);opacity:.9}70%{transform:scale(1.12);opacity:.08}100%{transform:scale(1.12);opacity:0}}

@media(max-width:1080px){.hero-layout,.split-layout,.hvla-grid{grid-template-columns:1fr}.offset-1,.offset-2,.service-a,.service-b,.service-c,.service-d{transform:none}.sticky-copy{position:static}.chapter-rail{display:none}}
@media(max-width:900px){.v13-grid{grid-template-columns:1fr}}
@media(max-width:760px){
  .shell{width:min(calc(100% - 22px),var(--max))}
  .nav-desktop{display:none}.menu-toggle{display:block}.nav-row{height:72px}
  .story-section{padding:100px 0 74px;min-height:auto;overflow:hidden}.story-section::after{left:22px;transform:none;opacity:.30}
  .hero-copy h1{font-size:clamp(2.75rem,12.8vw,4.8rem);line-height:.89;letter-spacing:-.07em;max-width:100%}
  .lead{font-size:1rem;line-height:1.72}
  .section-intro h2,.section-title h2{font-size:clamp(2.05rem,9.8vw,3.55rem);line-height:.98;letter-spacing:-.05em;max-width:100%}
  .hvla-side h2{font-size:clamp(3.9rem,19vw,5.8rem)}
  .vitruvio-layer{inset:-2vh -36vw;background-size:auto 100%;background-position:center top;opacity:.52}
  .quote-card,.metric-card,.service-card,.hvla-card{padding:22px;border-radius:24px}
  .service-card h3{font-size:clamp(1.45rem,7vw,1.95rem);line-height:1.08;max-width:100%}
  .service-card p{font-size:.99rem;line-height:1.66}
  .footer-row{flex-direction:column;align-items:flex-start}
  .image-fab{width:72px;height:72px;right:14px;bottom:14px}
  .scroll-cue{bottom:18px}
  .entry-spines{width:min(96vw,560px)}.entry-title{font-size:clamp(2rem,10vw,3.8rem)}
}
@media(max-width:430px){
  .shell{width:min(calc(100% - 20px),var(--max))}
  .hero-copy h1{font-size:clamp(2.55rem,12vw,4rem)}
  .section-title h2{font-size:clamp(2rem,9.3vw,3.2rem)}
  .service-card h3{font-size:1.55rem}
  .hvla-card p{font-size:.96rem;line-height:1.78}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.vitruvio-layer,.blue-atmosphere{transform:none!important}.reveal{opacity:1;transform:none;filter:none;transition:none}.image-fab::before{animation:none}}