/* MiApp IA · sistema visual compartido (landing + portal familiar) */
:root{
  color-scheme:light;
  --ink:#142747;--ink-soft:#2c4166;--muted:#56698a;
  --blue:#1457e6;--blue-600:#0f47c2;--blue-100:#dfe8ff;--blue-50:#eff4ff;
  --teal:#1457e6;--green:#1d8a5c;--green-50:#e5f6ec;
  --yellow:#ffcc32;--yellow-600:#f2b90f;--yellow-50:#fff7da;
  --paper:#f7f9fe;--surface:#fff;--line:#e2e8f3;--line-strong:#cbd7ea;
  --radius-sm:12px;--radius:20px;--radius-lg:28px;
  --shadow-xs:0 1px 2px #1427470f;
  --shadow:0 1px 2px #1427470a,0 12px 32px -8px #1427471f;
  --shadow-lg:0 2px 4px #1427470a,0 28px 60px -18px #14274740;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:"Plus Jakarta Sans",Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-family:var(--font)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}
button,a,input,select,textarea{font:inherit}
img{max-width:100%}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #1457e680;outline-offset:3px;border-radius:8px}
h1,h2,h3,p{overflow-wrap:anywhere}
h1,h2,h3{text-wrap:balance}
.skip-link{position:absolute;left:12px;top:-60px;z-index:50;padding:10px 15px;border-radius:10px;background:#fff;color:var(--ink);box-shadow:var(--shadow)}
.skip-link:focus{top:12px}

/* Header */
.site-header{position:sticky;top:0;z-index:30;background:#f7f9fecc;border-bottom:1px solid transparent;backdrop-filter:saturate(1.6) blur(16px);-webkit-backdrop-filter:saturate(1.6) blur(16px);transition:border-color .2s,box-shadow .2s,background .2s}
.site-header.is-scrolled{background:#ffffffe6;border-bottom-color:var(--line);box-shadow:0 6px 24px -14px #14274733}
.header-inner{width:min(1160px,calc(100% - 44px));min-height:74px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand-mark{width:42px;height:42px;display:grid;place-items:center}
.brand-mark svg{width:42px;height:42px;fill:var(--yellow);stroke:var(--ink);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.brand-mark img{display:block;width:42px;height:42px;border-radius:12px;box-shadow:0 4px 12px #1457e622}
.brand-copy strong,.brand-copy small{display:block;line-height:1.2}
.brand-copy strong{font-size:17px;font-weight:800;letter-spacing:-.025em}
.brand-copy small{margin-top:3px;color:var(--muted);font-size:11px;font-weight:500}
.primary-nav{display:flex;align-items:center;gap:4px;padding:5px;border:1px solid var(--line);border-radius:999px;background:#ffffffb3}
.primary-nav a{padding:8px 13px;border-radius:999px;color:var(--ink-soft);font-size:13px;font-weight:650;text-decoration:none;transition:background .18s,color .18s}
.primary-nav a:hover{background:var(--blue-50);color:var(--blue)}
.header-actions{display:flex;align-items:center;gap:8px}
.header-login{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border:1px solid var(--line-strong);border-radius:999px;background:#fff;color:var(--blue);font-size:13px;font-weight:750;text-decoration:none;transition:border-color .18s,box-shadow .18s}
.header-login:hover{border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-50)}
.nav-toggle{display:none;width:42px;height:42px;place-items:center;padding:0;border:1px solid var(--line-strong);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;transition:transform .25s var(--ease),opacity .2s}
.nav-toggle span{position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

/* Buttons */
.button{min-height:50px;padding:12px 20px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:14px;text-align:center;text-decoration:none;font-weight:750;letter-spacing:-.005em;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s}
.button span[aria-hidden="true"]{transition:transform .2s var(--ease)}
.button:hover{transform:translateY(-2px)}
.button:hover span[aria-hidden="true"]{transform:translateX(3px)}
.button:active{transform:translateY(0)}
.button-primary{background:var(--blue);color:#fff;box-shadow:0 1px 0 #ffffff33 inset,0 10px 24px -10px #1457e6cc}
.button-primary:hover{background:var(--blue-600);box-shadow:0 1px 0 #ffffff33 inset,0 16px 30px -12px #1457e6e6}
.button-secondary{border:1px solid var(--line-strong);background:#fff;color:var(--blue);box-shadow:var(--shadow-xs)}
.button-secondary:hover{border-color:var(--blue)}
.button-light{background:#fff;color:var(--blue)}
.button-light:hover{box-shadow:0 14px 28px -12px #00000066}
.button-yellow{background:var(--yellow);color:var(--ink);box-shadow:0 10px 24px -10px #e0a800cc}
.button-yellow:hover{background:var(--yellow-600)}

/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(60% 70% at 85% 10%,#dfe8ff 0,transparent 60%),radial-gradient(40% 50% at 0% 100%,#fff3c8 0,transparent 60%),var(--paper)}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(#1457e61a 1px,transparent 1px);background-size:22px 22px;mask-image:linear-gradient(180deg,#000 0,transparent 75%);-webkit-mask-image:linear-gradient(180deg,#000 0,transparent 75%);pointer-events:none}
.hero-inner{position:relative;width:min(1160px,calc(100% - 44px));min-height:600px;margin:auto;padding:64px 0 84px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:48px}
.hero-copy{position:relative;z-index:1}
.eyebrow,.section-kicker{margin:0;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 13px 7px 9px;border:1px solid var(--blue-100);border-radius:999px;background:#ffffffcc;font-size:11px;box-shadow:var(--shadow-xs)}
.eyebrow-spark{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--yellow);color:var(--ink);font-size:12px}
.hero h1{max-width:640px;margin:20px 0 18px;font-size:clamp(40px,5.4vw,68px);font-weight:800;line-height:1.02;letter-spacing:-.045em}
.hero h1 span{background:linear-gradient(100deg,var(--blue) 10%,#4f7dff 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lede{max-width:580px;margin:0;color:var(--muted);font-size:18px;line-height:1.65}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 0;padding:0;list-style:none}
.hero-facts li{display:flex;align-items:center;gap:7px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink-soft);font-size:13px;font-weight:650;box-shadow:var(--shadow-xs)}
.hero-facts li span{color:var(--blue)}
.hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:30px}
.hero-actions .button{min-height:54px;padding-inline:24px}
.hero-note{display:flex;align-items:center;gap:8px;margin:16px 0 0;color:var(--muted);font-size:13px}
.hero-note::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--green-50)}
.hero-art-wrap{position:relative;min-width:0}
.hero-art-wrap::before{content:"";position:absolute;inset:8% -4% -6% 10%;border-radius:36px;background:linear-gradient(135deg,var(--yellow),#ffe17a);transform:rotate(3deg);z-index:0}
.hero-art{position:relative;z-index:1;display:block;width:100%;height:auto;max-height:460px;aspect-ratio:3/2;object-fit:cover;border:6px solid #fff;border-radius:28px;box-shadow:var(--shadow-lg)}
.art-note{position:absolute;z-index:2;display:flex;align-items:center;gap:10px;padding:11px 15px 11px 11px;border:1px solid #ffffffb3;border-radius:16px;background:#ffffffeb;box-shadow:var(--shadow);backdrop-filter:blur(8px)}
.art-note strong,.art-note small{display:block;line-height:1.35}
.art-note strong{font-size:13px;font-weight:750}
.art-note small{color:var(--muted);font-size:11px}
.art-note-idea{top:5%;left:-5%;animation:float 6s ease-in-out infinite}
.art-note-idea>span:first-child{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--yellow-50);color:#b98300}
.art-note-progress{right:-2%;bottom:-6%;animation:float 6s ease-in-out -3s infinite}
.progress-orb{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--green-50);color:var(--green);font-weight:800}
.hero-bottom{display:none}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* Sections */
.section{width:min(1080px,calc(100% - 44px));margin:0 auto;padding:96px 0}
.section-heading{max-width:720px;margin:0 auto 44px;text-align:center}
.section-heading h2,.learn-copy h2,.parent-video-copy h2,.cohort-copy h2,.final-cta h2,.about-copy h2,.lab-copy h2{margin:10px 0 14px;font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.1;letter-spacing:-.035em}
.section-heading>p:last-child,.learn-copy>p:not(.section-kicker),.parent-video-copy>p:not(.section-kicker){margin:0;color:var(--muted);font-size:17px}

.experience-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.experience-card{position:relative;min-height:250px;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-xs);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s}
.experience-card:hover{transform:translateY(-4px);border-color:var(--blue-100);box-shadow:var(--shadow)}
.card-symbol{position:absolute;top:24px;right:24px;color:#b3c0d6;font-size:13px;font-weight:800;letter-spacing:.06em}
.icon-tile{width:54px;height:54px;display:grid;place-items:center;border-radius:16px;font-size:25px}
.teal-tile{background:var(--green-50)}.blue-tile{background:var(--blue-50)}.yellow-tile{background:var(--yellow-50)}
.experience-card h3{margin:22px 0 8px;font-size:20px;font-weight:750;letter-spacing:-.02em}
.experience-card p{margin:0;color:var(--muted);font-size:15px}
.card-teal,.card-blue,.card-yellow{background:#fff}

.learn-section{display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:72px;padding-top:8px}
.check-list{display:grid;gap:14px;margin:26px 0 0;padding:0;list-style:none}
.check-list li{display:flex;gap:12px;color:var(--ink-soft);font-size:15px}
.check-list li span{width:24px;height:24px;flex:0 0 24px;display:grid;place-items:center;border-radius:8px;background:var(--blue);color:#fff;font-size:12px;font-weight:800}
.project-stack{display:grid;gap:12px}
.project-card{min-height:92px;padding:16px 18px;display:grid;grid-template-columns:50px 1fr 28px;align-items:center;gap:15px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-xs);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.project-card:hover{transform:translateX(6px);box-shadow:var(--shadow)}
.project-card-lime .project-icon{background:#eef7d2}.project-card-lilac .project-icon{background:#efe9fd}.project-card-peach .project-icon{background:#ffeadd}
.project-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;font-size:22px}
.project-card>div small,.project-card>div strong,.project-card>div span{display:block}
.project-card>div small{color:var(--blue);font-size:10px;font-weight:800;letter-spacing:.1em}
.project-card>div strong{margin:1px 0;font-size:16px;font-weight:750}
.project-card>div span{color:var(--muted);font-size:13px}
.project-arrow{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--paper);color:var(--muted);font-weight:800}
.project-footnote{margin:4px 0 0;color:var(--muted);font-size:12px;text-align:right}

/* Lab banner */
.lab-banner{position:relative;overflow:hidden;padding:80px 22px;background:radial-gradient(50% 80% at 100% 0,#1f4fb8 0,transparent 70%),linear-gradient(135deg,#102243,#142747 60%,#173264);color:#fff}
.lab-banner-inner{position:relative;width:min(1080px,100%);margin:auto;display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:60px}
.lab-visual{position:relative;min-height:250px;display:grid;place-items:center;border:1px solid #ffffff22;border-radius:var(--radius-lg);background:linear-gradient(145deg,#ffffff14,#ffffff05);box-shadow:inset 0 1px 0 #ffffff1f}
.lab-sun{position:absolute;top:24px;right:34px;color:var(--yellow);font-size:28px;animation:float 5s ease-in-out infinite}
.lab-path{display:flex;align-items:center;gap:12px}
.lab-path span{width:66px;height:66px;display:grid;place-items:center;border:1px solid #ffffff40;border-radius:20px;background:#ffffff12;font-size:11px;font-weight:800;letter-spacing:.08em}
.lab-path span:last-of-type{border-color:var(--yellow);background:var(--yellow);color:var(--ink)}
.lab-path b{color:var(--yellow);font-size:20px}
.lab-mini-card{position:absolute;bottom:22px;left:50%;display:flex;align-items:center;gap:7px;transform:translateX(-50%);padding:8px 14px;border-radius:999px;background:#fff;color:var(--ink);font-size:12px;font-weight:700;white-space:nowrap;box-shadow:var(--shadow)}
.lab-mini-card span:first-child{color:var(--green)}
.lab-copy .section-kicker{color:var(--yellow)}
.lab-copy h2{max-width:560px;color:#fff}
.lab-copy>p:not(.section-kicker){max-width:540px;margin:0 0 26px;color:#c8d4ea;font-size:17px}

/* Video */
.parent-video-section{display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;gap:52px}
.parent-video-copy h2{font-size:clamp(28px,3.5vw,40px)}
.text-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--blue);font-size:15px;font-weight:750;text-decoration:none}
.text-link span{transition:transform .2s var(--ease)}
.text-link:hover span{transform:translateX(4px)}
.video-shell{overflow:hidden;aspect-ratio:16/9;border:6px solid #fff;border-radius:var(--radius);background:#173a48;box-shadow:var(--shadow-lg)}
.video-shell iframe{display:block;width:100%;height:100%;border:0}

/* Steps */
.steps-section{padding-top:24px}
.steps-grid{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none;counter-reset:step}
.steps-grid::before{content:"";position:absolute;top:27px;left:12%;right:12%;height:2px;background:repeating-linear-gradient(90deg,var(--line-strong) 0 8px,transparent 8px 16px)}
.step{position:relative;padding:0 6px;text-align:center}
.step-number{position:relative;width:56px;height:56px;margin:0 auto 16px;display:grid;place-items:center;border:1px solid var(--line);border-radius:18px;background:#fff;color:var(--blue);font-size:20px;font-weight:800;box-shadow:var(--shadow)}
.step:last-child .step-number{border-color:var(--yellow);background:var(--yellow);color:var(--ink)}
.step h3{margin:0 0 6px;font-size:17px;font-weight:750;letter-spacing:-.015em}
.step p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}

/* Cohort */
.cohort-section{padding:88px 22px;background:linear-gradient(180deg,var(--blue-50),#f7f9fe)}
.cohort-inner{width:min(1080px,100%);margin:auto;display:grid;grid-template-columns:1fr minmax(340px,.9fr);align-items:center;gap:60px}
.cohort-copy h2{max-width:480px}
.cohort-copy>p:not(.section-kicker){max-width:480px;color:var(--muted);font-size:17px}
.cohort-status{display:inline-flex;align-items:center;gap:9px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13px;font-weight:700;box-shadow:var(--shadow-xs)}
.status-dot{width:9px;height:9px;border-radius:50%;background:#e6ae2f;box-shadow:0 0 0 4px #f6e8b1}
.cohort-status.is-open .status-dot{background:var(--green);box-shadow:0 0 0 4px #cdeedb;animation:pulse 2s infinite}
.cohort-status.is-closed .status-dot{background:#8a9bb5;box-shadow:0 0 0 4px #e3e9f3}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px #cdeedb}50%{box-shadow:0 0 0 7px #cdeedb66}}
.cohort-card{position:relative;padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-lg)}
.cohort-card::before{content:"";position:absolute;top:-1px;left:28px;right:28px;height:4px;border-radius:0 0 6px 6px;background:linear-gradient(90deg,var(--blue),var(--yellow))}
.cohort-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.cohort-badge{padding:6px 10px;border-radius:999px;background:var(--blue-50);color:var(--blue);font-size:10px;font-weight:800;letter-spacing:.08em}
.cohort-capacity{color:var(--green);font-size:12px;font-weight:700}
.cohort-card h3{margin:16px 0 14px;font-size:24px;font-weight:800;line-height:1.2;letter-spacing:-.025em}
.cohort-details{display:grid;gap:0;margin:0}
.cohort-details>div{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-top:1px solid var(--line)}
.cohort-details dt{color:var(--muted);font-size:13px}
.cohort-details dd{margin:0;text-align:right;font-size:14px;font-weight:700}
.cohort-cta{width:100%;min-height:54px;margin-top:18px}
.cohort-card-note{margin:11px 0 0;color:var(--muted);font-size:12px;text-align:center}

/* FAQ */
.faq-section{padding-top:96px;padding-bottom:88px}
.faq-list{display:grid;gap:10px;max-width:800px;margin:auto}
.faq-list details{border:1px solid var(--line);border-radius:16px;background:#fff;transition:border-color .2s,box-shadow .2s}
.faq-list details:hover{border-color:var(--line-strong)}
.faq-list details[open]{border-color:var(--blue-100);box-shadow:var(--shadow)}
.faq-list summary{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;font-weight:700;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary span{flex:0 0 30px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--blue-50);color:var(--blue);font-size:20px;font-weight:600;transition:transform .25s var(--ease),background .2s,color .2s}
.faq-list details[open] summary span{transform:rotate(45deg);background:var(--blue);color:#fff}
.faq-list details p{max-width:700px;margin:-6px 0 0;padding:0 20px 20px;color:var(--muted);font-size:15px}

/* Final CTA + footer */
.final-cta{position:relative;overflow:hidden;width:min(1080px,calc(100% - 44px));margin:0 auto 80px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-radius:var(--radius-lg);background:radial-gradient(60% 120% at 100% 0,#2d6bff 0,transparent 60%),var(--blue);color:#fff;box-shadow:var(--shadow-lg)}
.final-cta .section-kicker{color:var(--yellow)}
.final-cta h2{max-width:560px;margin-bottom:0;font-size:clamp(26px,3vw,34px)}
.final-cta .button{flex:0 0 auto;min-height:56px}
.site-footer{padding:36px 22px;background:var(--ink);color:#fff}
.footer-inner{width:min(1080px,100%);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-brand{font-size:17px;font-weight:800;text-decoration:none}
.footer-inner p,.footer-inner>span{margin:0;color:#aebcd6;font-size:13px}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:#d8e1ef;font-size:13px;text-decoration:none}
.footer-links a:hover{color:var(--yellow)}
.notice{padding:14px;border-radius:12px;background:var(--yellow-50);color:#4b4220}

/* About */
.about-section{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:72px}
.about-photo-wrap{position:relative;width:min(100%,390px);margin:auto}
.about-photo-wrap::before{content:"";position:absolute;inset:-14px 24px 24px -14px;border-radius:32px;background:var(--blue-50);transform:rotate(-3deg)}
.about-photo-frame{position:relative;overflow:hidden;aspect-ratio:4/4.5;border:6px solid #fff;border-radius:var(--radius-lg);background:#eaf0fd;box-shadow:var(--shadow-lg)}
.about-photo{display:block;width:100%;height:100%;object-fit:cover;object-position:center 18%}
.about-photo-note{position:absolute;left:-20px;right:20px;bottom:18px;display:grid;gap:2px;padding:14px 16px;border:1px solid #ffffffb3;border-radius:16px;background:#ffffffeb;box-shadow:var(--shadow);backdrop-filter:blur(8px)}
.about-photo-note span{color:var(--blue);font-size:10px;font-weight:800;letter-spacing:.09em}
.about-photo-note strong{font-size:17px;line-height:1.3}
.about-photo-note small{color:var(--muted);font-size:12px}
.about-copy>p:not(.section-kicker){margin:0 0 12px;color:var(--muted);font-size:16px}
.about-copy .about-role{margin-top:18px;color:var(--blue);font-weight:750}
.about-points{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 20px;padding:0;list-style:none}
.about-points li{padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink-soft);font-size:13px;font-weight:650}

/* Mobile CTA bar */
.mobile-cta{display:none}

/* Scroll reveal (activado por JS) */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

@media(max-width:980px){
  .primary-nav a{padding:8px 9px;font-size:12px}
  .hero-inner{gap:28px}
  .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 16px}
  .steps-grid::before{display:none}
}
@media(max-width:900px){
  .primary-nav{position:absolute;top:calc(100% + 8px);left:14px;right:14px;display:grid;gap:2px;padding:8px;border-radius:20px;background:#fff;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s,transform .25s var(--ease),visibility .2s}
  .primary-nav a{padding:13px 14px;border-radius:12px;font-size:15px}
  .nav-open .primary-nav{opacity:1;visibility:visible;transform:none}
  .nav-toggle{display:grid}
  .hero-inner{min-height:0;grid-template-columns:1fr 1fr;padding:52px 0 70px}
  .hero h1{font-size:clamp(36px,5.6vw,52px)}
  .hero-lede{font-size:16px}
  .learn-section,.about-section{gap:40px}
  .lab-banner-inner,.cohort-inner{gap:32px}
}
@media(max-width:680px){
  html{scroll-padding-top:76px}
  .header-inner{width:calc(100% - 28px);min-height:64px;gap:10px}
  .brand-mark,.brand-mark svg,.brand-mark img{width:36px;height:36px}
  .brand-mark img{border-radius:10px}
  .brand-copy strong{font-size:15px}
  .brand-copy small{font-size:10px}
  .header-login{padding:8px 12px;font-size:12px}
  .hero-inner{width:calc(100% - 32px);grid-template-columns:1fr;padding:36px 0 56px;gap:36px}
  .hero h1{font-size:clamp(36px,10.5vw,50px)}
  .hero-lede{font-size:16px}
  .hero-facts li{font-size:12px;padding:6px 10px}
  .hero-actions .button{flex:1 1 100%}
  .hero-art-wrap{width:min(460px,100%);margin:0 auto}
  .hero-art{max-height:300px;border-width:5px;border-radius:22px}
  .art-note{padding:8px 11px 8px 8px}
  .art-note-idea{left:-4px}
  .art-note-progress{right:-4px}
  .section{width:calc(100% - 32px);padding:64px 0}
  .section-heading{margin-bottom:28px}
  .section-heading h2,.learn-copy h2,.cohort-copy h2,.about-copy h2,.lab-copy h2,.parent-video-copy h2{font-size:30px}
  .experience-grid{grid-template-columns:1fr;gap:12px}
  .experience-card{min-height:0;padding:22px}
  .experience-card h3{margin-top:16px}
  .learn-section{grid-template-columns:1fr;gap:30px;padding-top:0}
  .project-card{grid-template-columns:44px 1fr 24px;padding:13px}
  .project-icon{width:44px;height:44px}
  .lab-banner{padding:56px 16px}
  .lab-banner-inner{grid-template-columns:1fr;gap:26px}
  .lab-visual{min-height:190px;order:2}
  .lab-path span{width:54px;height:54px}
  .parent-video-section{grid-template-columns:1fr;gap:24px}
  .steps-grid{grid-template-columns:1fr;gap:12px}
  .step{display:grid;grid-template-columns:48px 1fr;gap:4px 14px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff;text-align:left}
  .step-number{grid-row:span 2;width:48px;height:48px;margin:0;border-radius:14px;font-size:17px;box-shadow:none}
  .step h3{margin:2px 0 0}
  .cohort-section{padding:60px 16px}
  .cohort-inner{grid-template-columns:1fr;gap:24px}
  .cohort-card{padding:22px}
  .cohort-card h3{font-size:21px}
  .faq-section{padding-top:60px;padding-bottom:60px}
  .faq-list summary{padding:16px;font-size:15px}
  .faq-list details p{padding:0 16px 16px}
  .final-cta{width:calc(100% - 32px);margin-bottom:96px;padding:28px 24px;align-items:stretch;flex-direction:column}
  .final-cta .button{width:100%}
  .footer-inner{align-items:flex-start;flex-direction:column}
  .footer-links{gap:10px 16px}
  .about-section{grid-template-columns:1fr;gap:30px;padding-top:48px}
  .about-photo-wrap{width:min(300px,100%)}
  .about-photo-note{left:-8px;right:8px;bottom:12px;padding:11px 13px}
  .mobile-cta{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));z-index:25;display:flex;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .25s,transform .3s var(--ease),visibility .25s}
  .mobile-cta.is-visible{opacity:1;visibility:visible;transform:none}
  .mobile-cta .button{width:100%;min-height:54px;border-radius:16px;box-shadow:0 18px 40px -12px #1457e6}
}
@media(max-width:400px){
  .brand-copy small,.header-login span{display:none}
  .header-login{padding:8px 11px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}