/* KORU AI Platform — página de apresentação. Sem dependências externas. */
:root{color-scheme:dark;--navy:#07162b;--navy-deep:#051224;--white:#f8fbff;--muted:#a8b7ca;--mint:#38dfb6;--blue:#2a9cf0;--border:rgba(192,212,235,.16);--max-width:1240px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:32px}
body{margin:0;background:var(--navy-deep);color:var(--white);font-family:Inter,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,a,summary{-webkit-tap-highlight-color:transparent}
a:focus-visible,summary:focus-visible{outline:2px solid var(--mint);outline-offset:6px;border-radius:3px}
svg{display:block}
::selection{background:var(--mint);color:var(--navy)}
.wrap{width:min(var(--max-width),calc(100% - 96px));margin-inline:auto}
.skip-link{position:fixed;top:12px;left:12px;z-index:10;background:var(--mint);color:var(--navy);padding:12px 18px;border-radius:6px;transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}
.top-surface{position:relative;background-color:var(--navy);background-image:radial-gradient(ellipse at 82% 42%,rgba(20,105,128,.11),transparent 45%),radial-gradient(rgba(194,219,244,.045) .7px,transparent .7px);background-size:auto,7px 7px}
.masthead{background:var(--navy)}
.header{display:flex;align-items:center;justify-content:space-between;gap:32px;min-height:112px;border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-symbol{width:45px;height:47px;mix-blend-mode:screen}
.brand-type{display:flex;flex-direction:column;gap:3px}
.brand-name{font-size:26px;line-height:1;letter-spacing:.15em;font-weight:650}
.brand-caption{font-size:9px;letter-spacing:.23em;line-height:1.2;color:#d5e0ec;font-weight:550}
.nav{display:flex;align-items:center;gap:34px;margin-left:auto;margin-right:36px;font-size:14px;color:#becbda}
.nav a{display:flex;gap:9px;align-items:center;min-height:44px;transition:color .2s}
.nav a:hover{color:var(--mint)}
.nav svg{width:15px;height:15px}
.header-status{display:flex;align-items:center;gap:9px;flex-shrink:0;font-size:10px;font-weight:650;letter-spacing:.15em;color:#cdf7ec;border:1px solid rgba(56,223,182,.27);border-radius:99px;padding:10px 15px}
.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--mint);flex-shrink:0;box-shadow:0 0 10px rgba(56,223,182,.25)}
.hero{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:32px;min-height:664px;padding-block:64px 72px}
.hero-copy{position:relative;z-index:1}
.eyebrow{display:flex;align-items:center;gap:12px;font-size:10px;line-height:1.7;letter-spacing:.18em;font-weight:650;color:#9fc6d0;margin:0 0 29px}
.tiny-line{width:27px;height:1px;background:var(--mint);flex-shrink:0}
h1{font-size:clamp(48px,5.2vw,76px);line-height:1.04;font-weight:560;letter-spacing:-.055em;margin:0 0 26px}
.gradient-text{color:var(--mint);background:linear-gradient(100deg,#4ee2b6 12%,#33bdd6 58%,#489bf7 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-description{font-size:16px;line-height:1.8;color:var(--muted);margin:0 0 30px}
.button{display:inline-flex;gap:35px;align-items:center;justify-content:space-between;background:var(--mint);border:1px solid var(--mint);border-radius:7px;padding:17px 23px;color:#062a2e;font-size:13px;font-weight:700;min-height:54px;transition:background .2s,transform .2s,box-shadow .2s}
.button svg{width:20px;height:20px}
.button:hover{background:#6becce;transform:translateY(-2px);box-shadow:0 10px 35px rgba(56,223,182,.12)}
.launch-note{display:flex;align-items:center;gap:9px;margin-top:20px;font-size:11px;color:#8398af}
.launch-note .status-dot{width:5px;height:5px}
.hero-art{position:relative;isolation:isolate;display:grid;place-items:center;width:100%;min-width:0;aspect-ratio:1/1.08}
.hero-logo{position:relative;z-index:2;width:89%;height:auto;mix-blend-mode:screen}
.orbit{position:absolute;width:96%;aspect-ratio:1;border:1px solid rgba(53,166,203,.14);border-radius:50%;pointer-events:none;z-index:3}
.orbit-one{top:0;left:2%;border-style:dashed;border-color:rgba(53,166,203,.11)}
.orbit-two{width:85%;top:5.1%;left:7.5%;border-color:rgba(78,176,213,.07)}
.orbit-dot{position:absolute;z-index:4;width:7px;height:7px;background:#2facd2;border-radius:50%;box-shadow:0 0 15px rgba(47,172,210,.3)}
.orbit-dot-one{top:15%;left:14%}
.orbit-dot-two{right:8.5%;top:69%;width:5px;height:5px;background:var(--mint)}
.art-coordinate{position:absolute;z-index:4;color:#6c8eac;font-family:"Courier New",monospace;font-size:9px;letter-spacing:.16em}
.art-coordinate-top{top:0;right:5%;background:var(--navy);padding:5px 9px;transform:rotate(8deg)}
.art-coordinate-bottom{bottom:0;left:50%;transform:translateX(-50%);white-space:nowrap}
.hero-baseline{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--border);min-height:83px}
.baseline-label{font-size:9px;letter-spacing:.2em;color:#718aa5}
.scroll-link{display:flex;align-items:center;gap:22px;font-size:11px;color:#bdcddd;min-height:44px}
.scroll-link svg{width:17px;height:17px;color:var(--mint)}
.scroll-link:hover{color:var(--mint)}
.project-section{color-scheme:light;background:#f2f6f5;color:#142b3e;padding:95px 0 0}
.project-inner{display:grid;grid-template-columns:1.12fr 1fr;gap:80px;padding-bottom:74px}
.dark-eyebrow{color:#447574}
.dark-eyebrow .tiny-line{background:#1b9c83}
h2{font-size:clamp(31px,3.2vw,45px);line-height:1.14;font-weight:560;letter-spacing:-.045em;margin:0}
.project-description{padding-top:39px;color:#5b6d79;font-size:14px;line-height:1.9}
.project-description p{margin:0 0 16px}
.project-description .project-lead{font-size:20px;letter-spacing:-.02em;color:#173849;line-height:1.5;margin-bottom:17px}
.project-lead strong{font-weight:600}
.text-link{display:inline-flex;align-items:center;gap:24px;min-height:44px;color:#147b6c;font-size:12px;font-weight:650;margin-top:4px}
.text-link svg{width:20px;height:20px;transition:transform .2s}
.text-link:hover svg{transform:translateX(4px)}
.project-section a:focus-visible{outline-color:#147b6c}
.identity-line{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(18,54,68,.13);padding:31px 0}
.identity-line>span{display:flex;gap:22px;align-items:center;font-size:19px;font-weight:500;letter-spacing:-.02em}
.identity-line>span:not(:first-child){border-left:1px solid rgba(18,54,68,.13);padding-left:37px}
.identity-number{font-family:"Courier New",monospace;font-size:11px;letter-spacing:.06em;color:#739995}
.next-section{padding:91px 0 84px;background:var(--navy-deep)}
.next-inner{display:grid;grid-template-columns:1.12fr 1fr;gap:80px}
.next-copy h2{font-size:clamp(30px,3.1vw,43px)}
.next-copy>p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:1.9;margin:22px 0}
.next-status{display:inline-flex;gap:9px;align-items:center;color:#a7c4bf;font-size:11px}
.questions{padding-top:17px}
details{border-bottom:1px solid var(--border)}
details:first-child{border-top:1px solid var(--border)}
summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 0;font-size:13px;line-height:1.6;color:#d7e4ee;min-height:78px}
summary::-webkit-details-marker{display:none}
summary::marker{content:""}
summary svg{width:20px;height:20px;color:var(--mint);flex-shrink:0;transition:transform .2s}
summary:hover{color:var(--mint)}
details[open] summary svg{transform:rotate(45deg)}
details p{font-size:13px;color:var(--muted);line-height:1.9;max-width:420px;margin:0 28px 23px 0}
.footer{display:flex;gap:24px;align-items:center;justify-content:space-between;min-height:106px;border-top:1px solid var(--border)}
.footer-brand{font-size:18px;letter-spacing:.14em;font-weight:600;display:flex;align-items:center;gap:11px;flex-shrink:0}
.footer-brand span{font-size:8px;letter-spacing:.17em;font-weight:450;color:#92a5bb;padding-left:11px;border-left:1px solid var(--border)}
.footer p{font-size:10px;color:#7389a1;margin:0;line-height:1.8}
.back-to-top{display:flex;gap:13px;align-items:center;color:#a7b8c9;font-size:10px;min-height:44px;flex-shrink:0}
.back-to-top svg{width:16px;height:16px;color:var(--mint)}
.back-to-top:hover{color:var(--mint)}
@media(min-width:1500px){.hero{min-height:724px;padding-block:74px 84px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero{gap:18px;min-height:590px;padding-block:56px 64px}h1{font-size:clamp(45px,5.6vw,64px)}.eyebrow{font-size:9px;letter-spacing:.12em}.hero-description{font-size:14px}.hero-art{aspect-ratio:1/1.16}.art-coordinate-top{font-size:8px}.project-inner,.next-inner{gap:52px}.project-description{font-size:13px}.identity-line>span{font-size:17px}.identity-line>span:not(:first-child){padding-left:27px}.footer{gap:18px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header{min-height:87px;gap:18px}.brand-symbol{width:38px;height:40px}.brand-name{font-size:22px}.brand-caption{font-size:8px}.brand{gap:9px}.nav{gap:20px;margin:0 0 0 auto}.nav a{font-size:12px}.nav a:last-child{display:none}.header-status{font-size:8px;padding:9px 11px;letter-spacing:.08em;gap:7px}.hero{grid-template-columns:1fr;gap:21px;padding-block:50px 36px;min-height:0}.hero-copy{text-align:center;max-width:600px;margin:auto}.eyebrow{justify-content:center;font-size:8px;letter-spacing:.12em;margin-bottom:24px}h1{font-size:clamp(45px,8.4vw,61px);line-height:1.07;margin-bottom:24px}.hero-description{font-size:14px;line-height:1.8;margin-bottom:27px}.button{font-size:13px;padding:16px 21px;gap:33px}.launch-note{justify-content:center;margin-top:17px;font-size:10px}.hero-art{width:min(100%,390px);aspect-ratio:1/1.09;margin:15px auto 0}.hero-logo{width:85%}.art-coordinate{font-size:7px}.orbit-dot-one{width:5px;height:5px}.hero-baseline{min-height:73px;gap:12px}.baseline-label{font-size:7px;letter-spacing:.14em;max-width:160px;line-height:1.8}.scroll-link{font-size:10px;gap:14px}.project-section{padding-top:62px}.project-inner{grid-template-columns:1fr;gap:25px;padding-bottom:41px}.section-intro .eyebrow,.next-copy .eyebrow{justify-content:flex-start;margin-bottom:21px}h2{font-size:35px}.project-description{padding-top:0;font-size:14px;line-height:1.9}.project-description .project-lead{font-size:19px}.identity-line{padding-block:25px}.identity-line>span{font-size:14px;gap:10px;flex-wrap:wrap;line-height:1.5}.identity-line>span:not(:first-child){padding-left:14px}.identity-number{font-size:9px}.next-section{padding:62px 0 47px}.next-inner{grid-template-columns:1fr;gap:33px}.next-copy h2{font-size:34px}.next-copy>p:not(.eyebrow){font-size:14px;margin:20px 0}.questions{padding-top:0}summary{font-size:13px;padding:21px 0;min-height:72px}details p{font-size:13px}.footer{padding-block:25px;min-height:0;flex-wrap:wrap;row-gap:16px}.footer-brand{font-size:16px;order:0}.back-to-top{order:1;margin-left:auto}.footer p{order:2;flex-basis:100%;font-size:9px}.footer-brand span{font-size:7px}}
@media(max-width:390px){.wrap{width:calc(100% - 32px)}.header{gap:10px}.nav{gap:0}.nav a{font-size:11px}.brand-type{gap:3px}.brand-name{font-size:20px}.brand-caption{font-size:7px}.brand-symbol{width:33px;height:35px}.header-status{font-size:7px;padding:8px 9px}.hero{padding-top:41px}h1{font-size:43px}.hero-description{font-size:13px}.eyebrow{font-size:7px;gap:8px}.tiny-line{width:17px}.hero-art{margin-top:12px}.identity-line>span{font-size:12px;gap:8px}.identity-line>span:not(:first-child){padding-left:11px}h2,.next-copy h2{font-size:31px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.button:hover{transform:none}}