/* CarCodex — Apple-inspired design system */
:root{--blue:#0061FE;--blue-d:#0050d4;--font:'Inter',-apple-system,BlinkMacSystemFont,'SF Pro Display','Helvetica Neue',Arial,sans-serif;--max:1120px;--ease:cubic-bezier(.28,.11,.32,1)}

:root,[data-theme=light]{--bg:#eef3fb;--bg2:#dfe8f8;--card:#f8faff;--chip:#e4ecfa;--ink:#0f1a33;--mute:#4b5878;--line:#c6d3ec;--shadow:0 20px 50px rgba(30,60,140,.14);--h-bg:linear-gradient(160deg,#dbe7ff 0%,#eef3fb 55%,#e3dcff 100%);--h-ink:#0f1a33;--h-mute:#4b5878;--glow:rgba(0,97,254,.28)}
[data-theme=dark]{--bg:#0a0b0f;--bg2:#101218;--card:#171a22;--chip:#222633;--ink:var(--h-ink);--mute:#9aa1b2;--line:#262a35;--shadow:0 20px 50px rgba(0,0,0,.5);--h-bg:#000;--h-ink:#f5f5f7;--h-mute:#a1a1a6;--glow:rgba(0,97,254,.38)}
.vision-section,.internship-banner,.mobile-drawer{--h-ink:#f5f5f7;--h-mute:#a1a1a6}
body{transition:background .4s,color .4s}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:56px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.5;overflow-x:hidden}
img,svg{display:block;max-width:100%}ul{list-style:none}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{letter-spacing:-.03em;line-height:1.08;font-weight:700}
p{color:var(--mute)}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.text-accent{color:var(--blue)}.text-center{text-align:center}.w-full{width:100%}
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
/* hide decorative / telemetry elements */
.role-icon,.card-glass-glow,.card-indicator,.card-num,.drawer-tag,.pulse-indicator,.badge-separator,.factor-dot,.badge-index{display:none}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:980px;font-size:17px;font-weight:500;transition:background .3s,transform .3s,color .3s}
.btn-sm{padding:6px 14px;font-size:12px}.btn-lg{padding:14px 28px}
.btn-accent{background:var(--blue);color:#fff}.btn-accent:hover{background:var(--blue-d)}
.btn-outline{color:#2997ff;border:1px solid #2997ff}.btn-outline:hover{background:#2997ff;color:#fff}
.btn-arrow{width:12px;height:12px}
/* nav */
.navbar{position:sticky;top:0;z-index:100;height:48px;background:rgba(0,0,0,.82);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px)}
.nav-container{max-width:1024px;height:100%;margin:0 auto;padding:0 22px;display:flex;align-items:center;justify-content:space-between}
.nav-logo-image{height:20px;width:auto}
.nav-list{display:flex;gap:28px}
.nav-link{font-size:12px;color:rgba(255,255,255,.8);transition:color .2s}.nav-link:hover,.nav-link.active{color:#fff}
.nav-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:28px;height:28px;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.menu-toggle .bar{width:18px;height:1.5px;background:#fff;transition:transform .3s,opacity .3s}
.menu-toggle.open .bar-1{transform:translateY(3.8px) rotate(45deg)}.menu-toggle.open .bar-2{opacity:0}.menu-toggle.open .bar-3{transform:translateY(-3.8px) rotate(-45deg)}
.mobile-drawer{position:fixed;inset:0;z-index:99;background:rgba(0,0,0,.96);backdrop-filter:blur(20px);padding:88px 28px 32px;display:flex;flex-direction:column;justify-content:space-between;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.mobile-drawer.open{opacity:1;visibility:visible}
.drawer-header{display:none}
.drawer-list{display:flex;flex-direction:column;gap:6px}
.drawer-link{display:block;font-size:28px;font-weight:600;color:var(--h-ink);padding:8px 0;letter-spacing:-.02em}
.drawer-footer{display:flex;flex-direction:column;gap:16px}
.drawer-meta{display:flex;flex-direction:column;gap:4px;font-size:13px;color:#86868b}
/* hero */
section{padding:clamp(80px,12vw,140px) 0}
.hero-section{background:var(--h-bg);color:var(--h-ink);padding:clamp(88px,14vw,168px) 0 clamp(96px,14vw,168px);text-align:center;position:relative;overflow:hidden}
.hero-section::before{content:"";position:absolute;left:50%;top:-10%;width:900px;height:700px;transform:translateX(-50%);background:radial-gradient(closest-side,var(--glow),transparent);pointer-events:none}
.hero-container{position:relative}
.hero-copy{display:flex;flex-direction:column;align-items:center;gap:24px}
.hero-pill-badge{display:flex;gap:10px;align-items:center;font-size:14px;font-weight:600;color:#2997ff}
.mono-label{letter-spacing:.02em}
.badge-sub{color:#86868b;font-weight:500}.badge-sub::before{content:"·";margin-right:10px}
.hero-title{font-size:clamp(40px,7.4vw,88px);font-weight:700;letter-spacing:-.045em;line-height:1.04;max-width:14em;color:var(--h-ink)}
.highlight-word{background:linear-gradient(90deg,#2997ff,#5e9bff 60%,#8fb8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-subtitle{font-size:clamp(18px,2vw,24px);line-height:1.4;max-width:34em;color:var(--h-mute);font-weight:400;letter-spacing:-.01em}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-top:12px}
/* section heads */
.section-badge{font-size:14px;font-weight:600;color:var(--blue);margin-bottom:14px;letter-spacing:0;display:block}
.section-badge.center{text-align:center}
.section-title{font-size:clamp(32px,5.2vw,64px);letter-spacing:-.04em;margin-bottom:20px}
.section-subtitle{font-size:clamp(17px,1.8vw,22px);line-height:1.45;max-width:36em;color:var(--mute)}
.text-center .section-subtitle{margin:0 auto}
.section-header{margin-bottom:64px}
/* manifesto */
.manifesto-section{background:var(--bg)}
.manifesto-grid{display:flex;flex-direction:column;align-items:center;text-align:center;gap:56px}
.manifesto-lead-col{max-width:880px}
.manifesto-lead-heading{font-size:clamp(36px,6vw,76px);letter-spacing:-.045em;margin-bottom:28px}
.underline-accent{text-decoration:none}
.manifesto-lead-sub{font-size:clamp(18px,2vw,24px);line-height:1.42;color:var(--mute);max-width:32em;margin:0 auto}
.manifesto-editorial-col{max-width:880px;display:flex;flex-direction:column;align-items:center;gap:32px}
.editorial-p{font-size:clamp(17px,1.7vw,21px);color:var(--ink);max-width:34em}
.decision-factors-list{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.factor-chip{padding:11px 22px;border-radius:980px;background:var(--chip);font-size:15px;font-weight:500;transition:background .3s,color .3s}
.factor-chip:hover{background:var(--line)}
.factor-chip.highlight-chip{background:var(--blue);color:#fff}.factor-chip.highlight-chip .factor-name{color:#fff!important}
.editorial-conclusion{margin-top:24px;padding-top:40px;border-top:1px solid var(--line)}
.editorial-conclusion p{font-size:clamp(20px,2.4vw,30px);line-height:1.3;letter-spacing:-.02em;color:var(--mute);font-weight:500}
.editorial-conclusion strong{color:var(--ink);font-weight:600}
/* MVP */
.mvp-section{background:var(--bg2)}
.feature-card,.roadmap-card,.contact-item,.role-card{border:1px solid var(--line)}
.feature-cards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feature-card{background:var(--card);border-radius:28px;padding:44px 40px 36px;display:flex;flex-direction:column;gap:14px;min-height:420px;transition:transform .5s var(--ease),box-shadow .5s var(--ease);position:relative}
.feature-card:hover{transform:scale(1.015);box-shadow:var(--shadow)}
.card-header{order:0;display:flex;justify-content:space-between;align-items:center}
.card-status{font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--blue);background:rgba(0,97,254,.08);padding:5px 11px;border-radius:980px}
.card-header::before{content:"";display:none}
.card-icon-wrapper{order:1;width:56px;height:56px;border-radius:16px;background:var(--chip);display:flex;align-items:center;justify-content:center;margin:8px 0 14px}
.card-icon-wrapper svg{width:28px;height:28px}
.card-title{order:2;font-size:clamp(24px,2.6vw,32px);letter-spacing:-.03em}
.card-tagline{order:3;font-size:19px;font-weight:600;color:var(--ink);letter-spacing:-.01em;line-height:1.3}
.card-body{order:4;font-size:16px;line-height:1.55}
.card-footer-meta{order:5;margin-top:auto;padding-top:24px;display:flex;flex-wrap:wrap;gap:8px}
.meta-tag{font-size:12px;font-weight:500;color:var(--mute);background:var(--chip);padding:6px 12px;border-radius:980px}
/* pillars */
.pillars-section{background:var(--bg)}
.pillars-section .section-header{text-align:center}.pillars-section .section-subtitle{margin:0 auto}
.pillars-section .section-badge{display:block}
.pillars-container{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.pillar-card{padding:44px 36px 8px 0;display:flex;flex-direction:column;gap:20px}
.pillar-card+.pillar-card{padding-left:36px;border-left:1px solid var(--line)}
.pillar-step{font-size:15px;font-weight:600;color:var(--blue)}
.pillar-title{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.pillar-description{font-size:17px;line-height:1.5}
/* vision */
.vision-section{background:linear-gradient(180deg,#05070d,#0a1228);color:var(--h-ink);overflow:hidden}
.vision-section .section-title{color:var(--h-ink)}.vision-section p{color:var(--h-mute)}
.vision-section .section-badge{color:#2997ff}
.lifecycle-timeline{position:relative;margin-top:24px}
.timeline-line-track{position:absolute;top:50px;left:0;right:0;height:2px;background:#2a2a2d}
.timeline-line-progress{height:100%;width:var(--p,0);background:var(--blue);transition:width .6s var(--ease)}
.timeline-nodes-wrapper{position:relative;display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.timeline-node{display:flex;flex-direction:column;align-items:center;gap:20px;cursor:pointer;padding-top:8px}
.node-marker{display:flex;flex-direction:column;align-items:center;gap:14px}
.node-num{font-size:13px;font-weight:600;color:#6e6e73;transition:color .3s}
.node-dot{width:20px;height:20px;border-radius:50%;background:#05070d;border:2px solid #3a3a3d;transition:all .4s var(--ease)}
.timeline-node.active .node-dot{background:var(--blue);border-color:var(--blue);box-shadow:0 0 0 6px rgba(0,97,254,.2)}
.timeline-node.active .node-num{color:#2997ff}
.node-title{font-size:clamp(12px,1.5vw,17px);font-weight:600;letter-spacing:.04em;color:#6e6e73;transition:color .3s}
.timeline-node.active .node-title{color:var(--h-ink)}
/* roadmap */
.roadmap-section{background:var(--bg2)}
.roadmap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.roadmap-card{background:var(--card);border-radius:28px;padding:40px 36px;min-height:260px;display:flex;flex-direction:column;gap:16px;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.roadmap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.phase-id{font-size:clamp(24px,2.4vw,30px);font-weight:700;letter-spacing:-.03em;color:var(--ink)}
.phase-active .phase-id{color:var(--blue)}
.phase-desc{font-size:17px;line-height:1.5;margin-top:auto}
.phase-active{box-shadow:inset 0 0 0 2px var(--blue)}
/* join */
.join-section{background:var(--bg)}
.roles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.role-card{background:var(--chip);border-radius:22px;padding:30px 28px;min-height:120px;display:flex;align-items:flex-end;transition:background .3s,transform .4s var(--ease)}
.role-card:hover{background:var(--line);transform:translateY(-3px)}
.role-name{font-size:21px;font-weight:600;letter-spacing:-.02em}
.internship-banner{margin-top:24px;background:linear-gradient(135deg,#050a1c,#0b1f55);color:var(--h-ink);border-radius:32px;padding:clamp(40px,6vw,72px);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;overflow:hidden}
.internship-banner::before{content:"";position:absolute;right:-120px;top:-160px;width:480px;height:480px;background:radial-gradient(closest-side,rgba(0,97,254,.45),transparent)}
.banner-content{max-width:600px;position:relative;display:flex;flex-direction:column;gap:14px}
.banner-badge{font-size:13px;font-weight:600;color:#2997ff;letter-spacing:.04em}
.banner-title{font-size:clamp(30px,4.4vw,52px);letter-spacing:-.04em;color:var(--h-ink)}
.banner-desc{font-size:18px;color:var(--h-mute);line-height:1.5}
.internship-banner .btn{position:relative}
/* contact */
.contact-section{background:var(--bg2)}
.contact-info{display:flex;flex-direction:column}
.contact-heading{font-size:clamp(34px,5.4vw,68px);letter-spacing:-.045em;max-width:12em;margin-bottom:20px}
.contact-sub{font-size:clamp(17px,1.8vw,22px);max-width:34em;margin-bottom:56px}
.contact-details-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.contact-item{background:var(--card);border-radius:22px;padding:28px;display:flex;flex-direction:column;gap:18px}
.contact-item-registered{grid-column:1/-1}
.contact-icon{width:44px;height:44px;border-radius:12px;background:var(--chip);display:flex;align-items:center;justify-content:center}
.contact-text-wrap{display:flex;flex-direction:column;gap:6px}
.contact-label{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--mute)}
.contact-val{font-size:17px;font-weight:500;line-height:1.4;color:var(--ink)}
.email-copy-row{display:flex;align-items:center;gap:10px}
.contact-link{font-size:18px;font-weight:600;color:var(--blue)}.contact-link:hover{text-decoration:underline}
.btn-copy{position:relative;width:28px;height:28px;border-radius:50%;background:var(--chip);display:flex;align-items:center;justify-content:center;color:var(--mute)}
.btn-copy:hover{color:var(--blue)}
.copy-tooltip{position:absolute;top:-30px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;font-size:11px;padding:3px 9px;border-radius:6px;opacity:0;transition:opacity .2s;white-space:nowrap;pointer-events:none}
.copy-tooltip.show{opacity:1}
/* toast */
.toast-container{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:rgba(29,29,31,.92);backdrop-filter:blur(20px);color:#fff;font-size:14px;padding:12px 20px;border-radius:980px;opacity:0;transform:translateY(12px);transition:.35s var(--ease)}
.toast.show{opacity:1;transform:none}
/* responsive */
@media(max-width:960px){
.nav-menu{display:none}.menu-toggle{display:flex}
.feature-cards-grid,.roadmap-grid{grid-template-columns:1fr}
.roles-grid{grid-template-columns:repeat(2,1fr)}
.contact-details-row{grid-template-columns:1fr}
.pillars-container{grid-template-columns:1fr;border-top:0}
.pillar-card,.pillar-card+.pillar-card{padding:32px 0;border-left:0;border-top:1px solid var(--line)}
.timeline-line-track{top:0;bottom:0;left:9px;right:auto;width:2px;height:auto}
.timeline-nodes-wrapper{grid-template-columns:1fr;gap:28px}
.timeline-node{flex-direction:row;align-items:center;gap:22px;padding:0}
.node-marker{flex-direction:row-reverse;gap:18px}.node-num{min-width:22px}
.node-title{font-size:22px}
.timeline-line-progress{width:100%;height:var(--p,0)}
.lifecycle-timeline{max-width:340px;margin:24px auto 0}
}
@media(max-width:560px){.roles-grid{grid-template-columns:1fr}.feature-card{padding:32px 26px;min-height:0}.hero-actions .btn{width:100%}.internship-banner .btn{width:100%}.nav-actions .btn{display:none}}
@media(prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation:none!important}[data-reveal]{opacity:1;transform:none}}

.manifesto-section .section-badge{text-align:center}

/* theme toggle */
.theme-toggle{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:#f5f5f7;transition:background .3s,transform .4s var(--ease)}
.theme-toggle:hover{background:rgba(255,255,255,.14);transform:rotate(18deg)}
.theme-toggle svg{width:16px;height:16px}
.theme-toggle .i-moon{display:none}
[data-theme=light] .theme-toggle .i-sun{display:none}[data-theme=light] .theme-toggle .i-moon{display:block}
/* aurora hero */
.hero-section::after{content:"";position:absolute;left:8%;bottom:-25%;width:560px;height:560px;border-radius:50%;background:radial-gradient(closest-side,rgba(140,80,255,.28),transparent);filter:blur(30px);animation:float 14s ease-in-out infinite alternate;pointer-events:none}
.hero-section::before{animation:float 11s ease-in-out infinite alternate-reverse}
@keyframes float{to{transform:translate(60px,-40px) scale(1.15)}}
.hero-section::before{transform:translateX(-50%)}
@keyframes float{from{translate:0 0}to{translate:70px -40px;scale:1.15}}
.highlight-word{background-size:200% 100%;animation:shine 6s linear infinite alternate}
@keyframes shine{to{background-position:100% 0}}
/* cursor spotlight on cards */
.feature-card::after,.roadmap-card::after,.role-card::after,.contact-item::after{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(380px circle at var(--mx,50%) var(--my,50%),rgba(0,97,254,.13),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.feature-card:hover::after,.roadmap-card:hover::after,.role-card:hover::after,.contact-item:hover::after{opacity:1}
.roadmap-card,.role-card,.contact-item{position:relative;overflow:hidden}
/* scroll progress */
.scroll-bar{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,#2997ff,#8a5cff);z-index:300}
.navbar{border-bottom:1px solid rgba(255,255,255,.06)}
.navbar{background:rgba(0,0,0,.96)}
[data-theme=light] .hero-section .btn-outline{color:var(--blue);border-color:var(--blue)}
[data-theme=light] .hero-section .btn-outline:hover{background:var(--blue);color:#fff}
[data-theme=light] .hero-pill-badge{color:var(--blue)}

.hero-company{font-size:clamp(24px,3.6vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.1;color:var(--h-ink);margin-bottom:6px}