:root{--canvas:#050609;--canvas-soft:#090b10;--surface:#10131a;--raised:#171b24;--silver:#f2f5f8;--muted:#a8b0bc;--line:#2a303b;--control:#69717d;--cobalt:#87a8ff;--cobalt-deep:#2447a8;--whatsapp:#35e27a;--font-display:"Oxanium",ui-sans-serif,system-ui,sans-serif;--font-body:"Source Sans 3",ui-sans-serif,system-ui,sans-serif;--container:1240px;--ease:cubic-bezier(.16,1,.3,1)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;min-width:320px;background:var(--canvas);color:var(--silver);font-family:var(--font-body);font-size:16px;line-height:1.65;overflow-x:hidden}
body.menu-open{overflow:hidden}
.cursor-glow{position:fixed;z-index:30;top:0;left:0;width:420px;height:420px;border-radius:50%;pointer-events:none;opacity:0;background:radial-gradient(circle,rgba(135,168,255,.12) 0%,rgba(75,107,194,.055) 38%,transparent 70%);filter:blur(7px);mix-blend-mode:screen;transform:translate3d(-500px,-500px,0);transition:opacity .22s var(--ease)}
.cursor-glow.is-visible{opacity:1}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
svg{fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;z-index:110;top:12px;left:12px;padding:12px 18px;background:var(--silver);color:var(--canvas);transform:translateY(-150%);transition:transform .2s}
.skip-link:focus{transform:none}
.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
.section{padding:112px 0}
.site-header{position:fixed;z-index:40;inset:0 0 auto;background:rgba(5,6,9,.72);border-bottom:1px solid transparent;backdrop-filter:blur(18px);transition:border-color .2s,background .2s}
.site-header.scrolled{background:rgba(5,6,9,.94);border-color:var(--line)}
.nav-shell{width:min(calc(100% - 40px),var(--container));height:78px;margin:auto;display:flex;align-items:center;gap:28px}
.logo-plate{flex:none;width:156px;height:56px;overflow:hidden;background-color:transparent;background-image:url("assets/sete77-logo-transparent-v2.png");background-repeat:no-repeat;background-position:center;background-size:contain}
.desktop-nav{margin-left:auto;display:flex;gap:30px}
.desktop-nav a{color:var(--muted);font-weight:600;transition:color .2s}
.desktop-nav a:hover{color:var(--silver)}
.button{position:relative;isolation:isolate;overflow:hidden;min-height:52px;padding:0 24px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-weight:700;line-height:1.1;transition:transform .22s var(--ease),background .22s,color .22s,box-shadow .22s,border-color .22s}
.button:before{content:"";position:absolute;z-index:0;inset:-40% auto -40% -55%;width:42%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.34),transparent);transform:translateX(-160%) skewX(-18deg);transition:transform .55s var(--ease);pointer-events:none}
.button:hover{transform:translateY(-3px)}
.button:hover:before{transform:translateX(480%) skewX(-18deg)}
.button:active{transform:scale(.98)}
.button svg{width:20px;height:20px;transition:transform .22s var(--ease),filter .22s}
.button:hover svg{transform:translateX(3px);filter:drop-shadow(0 3px 8px rgba(255,255,255,.24))}
.button-small{min-height:46px;padding:0 18px;background:var(--cobalt);color:var(--canvas)}
.button-primary{background:var(--cobalt);color:var(--canvas);box-shadow:0 18px 50px rgba(67,95,168,.2)}
.button-primary:hover,.button-small:hover{background:#a8bdff;box-shadow:0 20px 54px rgba(87,121,220,.32)}
.button-secondary{border:1px solid var(--control);background:transparent}
.button-secondary:hover{border-color:var(--cobalt);background:var(--raised);box-shadow:0 18px 48px rgba(47,74,148,.18)}
.button-light{background:var(--silver);color:#0b1535}
.button-light:hover{background:#fff;box-shadow:0 20px 54px rgba(7,18,52,.28)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;text-decoration:underline;text-decoration-color:var(--control);text-underline-offset:5px}
.text-link .link-icon{color:var(--cobalt);flex:none}
.menu-toggle,.mobile-menu{display:none}
.hero{position:relative;min-height:820px;padding:154px 0 96px;display:flex;align-items:center;text-align:center;isolation:isolate}
.hero-atmosphere{position:absolute;z-index:-1;inset:0;background:radial-gradient(circle at 50% 30%,rgba(63,96,184,.27),transparent 34%),linear-gradient(180deg,transparent 72%,var(--canvas-soft))}
.hero-grid{display:block}
.hero-copy{position:relative;z-index:2;max-width:1160px;margin-inline:auto}
.kicker{margin:0 0 24px;color:var(--cobalt);font-family:var(--font-display);font-size:.78rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase}
.kicker span{display:inline-block;width:32px;height:1px;background:currentColor;vertical-align:middle;margin-right:10px}
h1,h2,h3{margin:0;font-family:var(--font-display)}
h1{max-width:24ch;margin-inline:auto;font-size:clamp(3rem,5vw,5.2rem);line-height:1.02;letter-spacing:-.035em;font-weight:600;text-wrap:balance}
h1 strong{color:var(--cobalt);font-weight:600}
h2{font-size:clamp(2.2rem,4.5vw,4.2rem);line-height:1.04;letter-spacing:-.03em}
h3{font-size:1.28rem;line-height:1.2}
.hero-lead{max-width:62ch;margin:30px auto 28px;color:var(--muted);font-size:1.18rem}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap}
.microcopy{margin:14px 0 0;color:var(--muted);font-size:.9rem}
.trust-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 24px;max-width:900px;margin:32px auto 0;padding:28px 0 0;border-top:1px solid var(--line);list-style:none;text-align:left}
.trust-list li{display:flex;gap:9px;align-items:center;color:#d8dde4;font-weight:600}
.trust-list svg{width:18px;color:var(--whatsapp)}
.section-intro{max-width:850px;margin-bottom:64px}
.section-intro>p:not(.kicker){max-width:62ch;color:var(--muted);font-size:1.1rem}
.diagnostic{background:var(--canvas-soft)}
.symptom-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.symptom-grid article{min-height:230px;padding:32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.symptom-grid span,.difference-list b{color:var(--cobalt);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em}
.symptom-grid h3{margin:38px 0 12px}
.symptom-grid p,.solution-path p,.difference-list p{margin:0;color:var(--muted)}
.split-intro{display:grid;grid-template-columns:1.2fr .8fr;gap:64px;max-width:none;align-items:end}
.solution-path{border-top:1px solid var(--control)}
.solution-path article{display:grid;grid-template-columns:170px 1fr 56px;gap:28px;align-items:center;padding:38px 8px;border-bottom:1px solid var(--line);transition:background .22s,transform .22s var(--ease)}
.solution-path article:hover{background:var(--surface);transform:translateX(8px)}
.solution-path h3{font-size:clamp(1.5rem,2.5vw,2.25rem);margin-bottom:8px}
.solution-index{color:var(--cobalt);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em}
.solution-path svg{width:36px;color:var(--cobalt)}
.case{background:var(--canvas-soft)}
.case-intro{margin-bottom:48px}
.case-intro h2{max-width:15ch}
.case-intro h2 span{display:block}
.case-showcase{position:relative;display:grid;grid-template-columns:minmax(320px,36fr) minmax(0,64fr);align-items:start;overflow:hidden;border-radius:16px;background:var(--surface);box-shadow:0 28px 90px rgba(0,0,0,.4)}
.case-copy{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;padding:40px}
.case-type{margin:0 0 18px;color:var(--cobalt);font-family:var(--font-display);font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.case-copy h3{max-width:12ch;font-size:clamp(2rem,3.2vw,3.15rem);letter-spacing:-.03em}
.case-copy>p:not(.case-type){max-width:38ch;margin:14px 0 0;color:var(--muted);font-size:1.04rem}
.case-facts{width:100%;margin:22px 0;padding:0;border-top:1px solid var(--line)}
.case-facts div{display:grid;grid-template-columns:92px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.case-facts dt{color:var(--silver);font-weight:700}
.case-facts dd{margin:0;color:var(--muted)}
.case-preview{position:relative;align-self:start;min-width:0;display:grid;grid-template-rows:48px auto;overflow:hidden;background:#0d1016}
.case-preview-meta{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 24px;background:#0d1016;color:var(--muted);font-size:.78rem}
.case-preview-meta span:last-child{color:var(--silver);font-weight:600}
.case-preview-stage{display:grid;place-items:center;aspect-ratio:1265/711;overflow:hidden;background:#e9e9df}
.case-preview-stage img{width:100%;height:100%;object-fit:contain;object-position:center top}
.case-preview-action{position:absolute;z-index:3;right:20px;bottom:20px;display:inline-flex;align-items:center;gap:10px;min-height:46px;padding:0 18px;border-radius:12px;background:var(--canvas);color:var(--silver);font-weight:700;box-shadow:0 12px 30px rgba(0,0,0,.3);transition:background .22s,color .22s}
.case-preview-action svg{width:18px}
.case-preview:hover .case-preview-action{background:var(--cobalt);color:var(--canvas)}
.process-list{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;padding:0;margin:0;background:var(--line);list-style:none}
.process-list:before{content:"";position:absolute;z-index:2;top:-16px;left:3%;width:92%;height:3px;background:linear-gradient(90deg,var(--cobalt),#f2f5f8,var(--cobalt))}
.process-list li{padding:40px 28px;background:var(--surface);min-height:220px}
.process-list li>span{font-family:var(--font-display);font-size:2.5rem;color:var(--cobalt)}
.process-list h3{margin:36px 0 8px}.process-list p{margin:0;color:var(--muted)}
.difference{background:var(--canvas-soft)}
.difference-grid{display:grid;grid-template-columns:40fr 60fr;gap:96px}
.difference-title{position:sticky;top:140px;align-self:start}
.difference-title>p:last-child{color:var(--muted);font-size:1.35rem}
.difference-list article{padding:32px 0;border-top:1px solid var(--line)}
.difference-list h3{margin:12px 0 8px;font-size:1.7rem}
.about-grid{display:grid;grid-template-columns:42fr 58fr;gap:96px;align-items:center}
.about-portrait{height:640px;border-radius:32px;overflow:hidden;background:var(--surface)}
.about-portrait img{width:100%;height:100%;object-fit:cover;object-position:64% 28%}
.about-copy>p:not(.kicker){color:var(--muted);font-size:1.08rem}
blockquote{margin:34px 0;padding:24px 0;border-top:1px solid var(--control);border-bottom:1px solid var(--control);font-family:var(--font-display);font-size:1.4rem;color:var(--silver)}
.service-cloud{padding-top:48px;text-align:center}
.service-cloud h2{max-width:20ch;margin:0 auto 42px;text-wrap:balance}
.service-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.service-tags span{padding:12px 18px;border:1px solid var(--control);border-radius:999px;color:#d9dee6;transition:transform .22s var(--ease),background-color .22s,border-color .22s,color .22s,box-shadow .22s}
.symptom-grid article,.solution-path article,.process-list li,.difference-list article,.service-tags span,.faq-list details{--card-x:50%;--card-y:50%;position:relative;z-index:0;isolation:isolate;overflow:hidden}
.symptom-grid article:before,.solution-path article:before,.process-list li:before,.difference-list article:before,.service-tags span:before,.faq-list details:before{content:"";position:absolute;z-index:0;inset:0;background:radial-gradient(340px circle at var(--card-x) var(--card-y),rgba(135,168,255,.32),rgba(72,102,186,.1) 38%,transparent 72%);opacity:0;transition:opacity .24s var(--ease);pointer-events:none}
.symptom-grid article>* ,.solution-path article>* ,.process-list li>* ,.difference-list article>* ,.faq-list details>*{position:relative;z-index:1}
.symptom-grid article,.process-list li,.difference-list article,.faq-list details{transition:background-color .24s,border-color .24s,box-shadow .24s,transform .24s var(--ease)}
.symptom-grid article:hover:before,.solution-path article:hover:before,.process-list li:hover:before,.difference-list article:hover:before,.service-tags span:hover:before,.faq-list details:hover:before,.symptom-grid article:focus-within:before,.solution-path article:focus-within:before,.process-list li:focus-within:before,.difference-list article:focus-within:before,.service-tags span:focus-visible:before,.faq-list details:focus-within:before{opacity:1}
@media(hover:hover){
  .symptom-grid article:hover,.process-list li:hover,.difference-list article:hover,.faq-list details:hover{background-color:rgba(19,25,37,.82);box-shadow:inset 0 0 0 1px rgba(135,168,255,.2),0 16px 42px rgba(8,19,51,.14)}
  .service-tags span:hover{transform:translateY(-3px);border-color:var(--cobalt);background-color:var(--surface);color:var(--silver);box-shadow:0 14px 34px rgba(52,82,170,.22)}
}
.faq{background:var(--canvas-soft)}
.faq-grid{display:grid;grid-template-columns:40fr 60fr;gap:96px}
.faq-grid>div:first-child>p:last-child{color:var(--muted)}
.faq-list{border-top:1px solid var(--control)}
details{border-bottom:1px solid var(--line)}
summary{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;font-family:var(--font-display);font-weight:600;list-style:none}
summary::-webkit-details-marker{display:none}
summary svg{width:20px;transition:transform .2s}
details[open] summary svg{transform:rotate(180deg)}
details p{margin:0 0 24px;max-width:62ch;color:var(--muted)}
.final-cta{position:relative;overflow:hidden;background:var(--cobalt-deep)}
.final-cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 320px;gap:80px;align-items:end}
.final-cta h2{max-width:16ch}.final-cta p:not(.kicker){color:#d7e2ff;font-size:1.12rem}
.final-action{display:flex;flex-direction:column;gap:12px}.final-action small{color:#d7e2ff}
.cta-rail{position:absolute;z-index:-1;right:-5%;top:-70%;width:430px;color:rgba(255,255,255,.12)}.cta-rail path{stroke-width:10}
footer{padding:48px 0 30px;background:#030407;border-top:1px solid var(--line);color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;column-gap:48px;row-gap:24px;align-items:start}.footer-grid b{color:var(--silver);font-family:var(--font-display);font-size:1.2rem}.footer-grid p{margin:4px 0}.footer-note p{max-width:40ch}.footer-links{display:flex;flex-direction:column;gap:4px}.footer-links a{display:flex;align-items:center;gap:10px;width:max-content;min-height:32px;transition:color .2s,transform .2s var(--ease)}.footer-links svg{width:18px;height:18px;color:var(--cobalt);transition:color .2s,filter .2s}.footer-links a:hover{color:var(--silver);transform:translateX(3px)}.footer-links a:hover svg{color:#b8c9ff;filter:drop-shadow(0 4px 8px rgba(135,168,255,.28))}.copyright{grid-column:1/-1;margin-top:2px;padding-top:18px;border-top:1px solid var(--line)}
.mobile-cta{display:none}
.footer-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;width:min(calc(100% - 40px),var(--container));margin:0 auto 40px;padding-bottom:36px;border-bottom:1px solid var(--line)}
.footer-nav b{display:block;margin-bottom:14px;color:var(--silver);font-family:var(--font-display);font-size:.95rem;font-weight:600}
.footer-nav a{display:block;padding:5px 0;width:max-content;color:var(--muted);font-size:.95rem;transition:color .2s,transform .2s var(--ease)}
.footer-nav a:hover{color:var(--silver);transform:translateX(3px)}
.footer-nav a[aria-current=page]{color:var(--cobalt)}
@media(max-width:1023px){
  .desktop-nav,.desktop-cta{display:none}.menu-toggle{display:grid;place-items:center;margin-left:auto;width:48px;height:48px;border:1px solid var(--control);border-radius:12px;background:transparent;color:var(--silver)}.menu-toggle svg{width:22px}.close-icon{display:none}.menu-toggle[aria-expanded=true] .menu-icon{display:none}.menu-toggle[aria-expanded=true] .close-icon{display:block}
  .mobile-menu{position:absolute;top:78px;left:0;right:0;padding:20px;background:var(--canvas);border-bottom:1px solid var(--control)}.mobile-menu:not([hidden]){display:grid}.mobile-menu a{padding:15px 8px;border-bottom:1px solid var(--line);font-family:var(--font-display)}
  .hero{min-height:auto;padding:142px 0 92px}.hero-copy{position:relative;z-index:6}.trust-list{grid-template-columns:repeat(2,minmax(0,1fr));max-width:640px}
  .symptom-grid{grid-template-columns:repeat(2,1fr)}.case-showcase,.about-grid{grid-template-columns:1fr}.case-copy{max-width:none}.case-preview{min-height:0}.case-preview-stage{aspect-ratio:1265/711}.case-preview-stage img{object-position:center top}.process-list{grid-template-columns:repeat(2,1fr)}.difference-grid,.faq-grid{grid-template-columns:1fr;gap:48px}.difference-title{position:static}.about-portrait{height:560px}.final-cta-inner{grid-template-columns:1fr;gap:40px}
}
@media(max-width:767px){
  html{scroll-padding-top:76px}.container,.nav-shell{width:min(calc(100% - 40px),var(--container))}.nav-shell{height:72px}.logo-plate{width:128px;height:46px}.section{padding:80px 0}
  .hero{padding:118px 0 72px}h1{font-size:clamp(2.4rem,10.5vw,3.7rem);max-width:18ch}.hero-lead{font-size:1.06rem;margin:22px auto}.hero-actions{align-items:stretch;flex-direction:column;gap:18px}.button{width:100%}.text-link{justify-content:center;text-align:center}.trust-list{grid-template-columns:1fr 1fr;gap:10px 16px;font-size:.88rem}
  .section-intro{margin-bottom:40px}.symptom-grid{grid-template-columns:1fr}.symptom-grid article{min-height:auto;padding:26px}.symptom-grid h3{margin:24px 0 8px}
  .split-intro{grid-template-columns:1fr;gap:20px}.solution-path article{grid-template-columns:1fr 34px;gap:18px;padding:28px 0}.solution-index{grid-column:1/-1}.solution-path article:hover{transform:none}
  .case-intro{margin-bottom:36px}.case-intro h2{font-size:2.7rem}.case-showcase{border-radius:14px}.case-copy{padding:32px 24px}.case-copy h3{font-size:2.35rem}.case-facts{margin:28px 0}.case-facts div{grid-template-columns:1fr;gap:2px}.case-preview{grid-template-rows:42px minmax(0,1fr)}.case-preview-meta{padding:0 16px}.case-preview-meta span:first-child{display:none}.case-preview-action{right:14px;bottom:14px;min-height:44px}
  .process-list{grid-template-columns:1fr}.process-list:before{top:0;left:-7px;width:3px;height:100%}.process-list li{min-height:auto;padding:28px}.process-list h3{margin:18px 0 6px}
  .difference-grid,.faq-grid{gap:32px}.difference-list h3{font-size:1.4rem}.about-portrait{height:500px}.about-copy h2{font-size:2.5rem}.service-cloud{text-align:left}.service-cloud h2{margin-left:0}
  .final-cta h2{font-size:2.6rem}footer{padding:42px 0 26px}.footer-nav{grid-template-columns:1fr;gap:22px;margin-bottom:32px}.footer-grid{grid-template-columns:1fr;row-gap:18px}.copyright{grid-column:auto;margin-top:4px}
  .mobile-cta{position:fixed;z-index:60;display:flex;left:auto;right:14px;bottom:calc(14px + env(safe-area-inset-bottom));width:auto;min-height:46px;padding:0 17px;align-items:center;justify-content:center;gap:8px;border:1px solid rgba(242,245,248,.24);background:rgba(135,168,255,.8);color:var(--canvas);-webkit-backdrop-filter:blur(12px) saturate(135%);backdrop-filter:blur(12px) saturate(135%);border-radius:999px;font-size:.92rem;font-weight:700;box-shadow:0 12px 34px rgba(0,0,0,.38);transition:transform .25s var(--ease),opacity .25s,background .2s}.mobile-cta:active{background:rgba(168,189,255,.9);transform:scale(.97)}.mobile-cta svg{width:19px;height:19px}.mobile-cta.is-hidden{opacity:0;transform:translateY(120%);pointer-events:none}
  body{padding-bottom:calc(70px + env(safe-area-inset-bottom))}
}
@media(pointer:coarse){.cursor-glow{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.button:hover{transform:none}.cursor-glow,.button:before{display:none}}