/* HEADER */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);border-bottom:1px solid rgba(226,232,240,.8);backdrop-filter:blur(18px)}
.header-container{min-height:var(--header-height);display:flex;align-items:center;justify-content:space-between}.site-logo{display:inline-flex;align-items:center;gap:11px}
.logo-mark{width:38px;height:38px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--color-primary),#4f46e5);border-radius:11px;font-weight:900}
.logo-text{font-size:1.18rem;font-weight:800;letter-spacing:-.025em}.logo-text span{color:var(--color-primary)}
.main-nav{display:flex;gap:4px}.nav-link{padding:10px 14px;color:var(--color-text-secondary);border-radius:8px;font-size:.92rem;font-weight:600}.nav-link:hover{color:var(--color-primary);background:var(--color-primary-light)}.nav-link.active{color:var(--color-primary)}
.menu-toggle{width:44px;height:44px;display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:transparent;border:1px solid var(--color-border);border-radius:8px}.menu-toggle span{width:20px;height:2px;background:var(--color-text);transition:.3s}.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-toggle.active span:nth-child(2){opacity:0}.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* HERO */
.hero{min-height:calc(100vh - var(--header-height));display:flex;align-items:center;background:radial-gradient(circle at 85% 20%,rgba(37,99,235,.10),transparent 33%),linear-gradient(180deg,#f8fbff,#fff)}
.hero-container{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);align-items:center;gap:80px;padding:72px 0 92px}
.hero-badge{display:inline-flex;gap:8px;margin-bottom:24px;padding:8px 13px;color:var(--color-primary-dark);background:var(--color-primary-light);border-radius:999px;font-size:.82rem;font-weight:700}
.hero-title{max-width:760px;margin-bottom:26px;font-size:clamp(3rem,5.3vw,5.35rem);font-weight:850;letter-spacing:-.055em}.hero-title span{display:block;color:var(--color-primary)}
.hero-description{max-width:650px;margin-bottom:34px;color:var(--color-text-muted);font-size:1.12rem}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}.hero-audience{display:flex;flex-wrap:wrap;gap:12px;color:var(--color-text-muted);font-size:.84rem}
.learning-dashboard{padding:28px;background:rgba(255,255,255,.9);border:1px solid var(--color-border);border-radius:32px;box-shadow:var(--shadow-large)}.dashboard-header{display:flex;justify-content:space-between;gap:20px;margin-bottom:24px}.dashboard-header small{color:var(--color-primary);font-weight:800}.dashboard-header h2{margin:2px 0 0;font-size:1.25rem}.status{height:max-content;padding:6px 10px;color:#047857;background:#ecfdf5;border-radius:999px;font-size:.73rem;font-weight:700}
.featured-learning{display:grid;grid-template-columns:auto 1fr;gap:18px;margin-bottom:20px;padding:24px;color:#fff;background:linear-gradient(135deg,var(--color-primary),#4f46e5);border-radius:24px}.featured-learning p{margin:0;color:rgba(255,255,255,.78);font-size:.85rem}.learning-icon{width:54px;height:54px;display:grid;place-items:center;background:rgba(255,255,255,.14);border-radius:16px;font-size:1.8rem}
.dashboard-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.dashboard-card{min-height:120px;display:flex;flex-direction:column;justify-content:center;padding:18px;background:#f8fafc;border:1px solid var(--color-border);border-radius:16px}.dashboard-card span{color:var(--color-text-muted);font-size:.78rem}

/* SERVICES */
.services-grid,.education-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.service-card,.education-card{padding:28px;background:#fff;border:1px solid var(--color-border);border-radius:24px;transition:.25s}.service-card:hover,.education-card:hover,.learning-card:hover,.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-medium)}
.service-card{min-height:340px;display:flex;flex-direction:column}.service-icon{width:58px;height:58px;display:grid;place-items:center;margin-bottom:38px;border-radius:16px;font-size:1.5rem}.service-icon.blue{background:#dbeafe}.service-icon.green{background:#d1fae5}.service-icon.purple{background:#ede9fe}.service-icon.orange{background:#ffedd5}.service-card small{color:var(--color-text-muted);font-weight:800}.service-card p{color:var(--color-text-muted)}.service-card a{margin-top:auto;color:var(--color-primary);font-weight:750}

/* EDUCATION */
.education-section{background:var(--color-background-soft)}.education-card{min-height:340px;display:flex;flex-direction:column}.education-card.featured{background:linear-gradient(150deg,#eff6ff,#fff);border-color:rgba(37,99,235,.22)}.education-code{width:max-content;margin-bottom:60px;padding:8px 13px;color:var(--color-primary-dark);background:var(--color-primary-light);border-radius:999px;font-size:.76rem;font-weight:850}.education-card p{color:var(--color-text-muted)}.education-card strong{margin-top:auto;padding-top:18px;border-top:1px solid var(--color-border);font-size:.82rem}

/* LEARNING */
.featured-grid,.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.learning-card,.article-card{overflow:hidden;background:#fff;border:1px solid var(--color-border);border-radius:24px;transition:.25s}.learning-visual{position:relative;min-height:210px;display:grid;place-items:center;color:#fff}.learning-visual span{position:absolute;top:18px;left:18px;padding:6px 10px;background:rgba(255,255,255,.16);border-radius:999px;font-size:.72rem;font-weight:800}.learning-visual b{font-size:3.4rem}.blue-bg{background:linear-gradient(135deg,#2563eb,#1d4ed8)}.green-bg{background:linear-gradient(135deg,#0f766e,#059669)}.purple-bg{background:linear-gradient(135deg,#7c3aed,#4f46e5)}
.learning-body{padding:25px}.learning-body small,.article-card small{color:var(--color-text-muted)}.learning-body p,.article-card p{color:var(--color-text-muted)}.learning-body a,.article-card a:last-child{color:var(--color-primary);font-weight:750}

/* LAB */
.lab-section{color:#fff;background:radial-gradient(circle at 80% 20%,rgba(59,130,246,.18),transparent 30%),#0f172a}.lab-wrapper{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:80px}.lab-content h2{font-size:clamp(2.3rem,4.7vw,4rem);letter-spacing:-.04em}.lab-content>p{color:#cbd5e1}.lab-features{display:grid;gap:20px;margin:34px 0}.lab-features>div{display:grid;grid-template-columns:44px 1fr;gap:14px}.lab-features b{width:42px;height:42px;display:grid;place-items:center;color:#bfdbfe;background:rgba(59,130,246,.12);border-radius:12px;font-size:.72rem}.lab-features strong,.lab-features small{display:block}.lab-features small{color:#94a3b8}
.lab-window{padding:20px;background:#fff;border-radius:24px;box-shadow:0 40px 90px rgba(0,0,0,.35)}.window-bar{display:flex;justify-content:space-between;padding-bottom:16px;color:#64748b}.experiment-screen{position:relative;min-height:300px;overflow:hidden;background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px}.grid-bg{position:absolute;inset:0;background-image:linear-gradient(#dbeafe 1px,transparent 1px),linear-gradient(90deg,#dbeafe 1px,transparent 1px);background-size:30px 30px}.axis-x,.axis-y,.graph-line{position:absolute;background:#94a3b8}.axis-x{left:8%;right:8%;top:50%;height:1px}.axis-y{top:8%;bottom:8%;left:50%;width:1px}.graph-line{width:60%;height:4px;left:20%;top:50%;background:linear-gradient(90deg,#2563eb,#7c3aed);transform:rotate(-25deg)}.experiment-label{position:absolute;left:18px;bottom:16px;padding:7px 10px;color:#1d4ed8;background:#fff;border-radius:8px;font-size:.72rem;font-weight:700}.control-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;color:#0f172a}.control-grid>div{padding:14px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px}.control-grid small,.control-grid b{display:block}.control-grid small{color:#64748b}.control-grid .wide{grid-column:1/-1}.online{color:#047857}.progress{height:7px;margin-top:8px;background:#e2e8f0;border-radius:999px;overflow:hidden}.progress span{display:block;width:70%;height:100%;background:linear-gradient(90deg,#2563eb,#7c3aed)}

/* GAME */
.game-section{background:#f8fafc}.game-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px}.game-featured{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;padding:48px;color:#fff;background:linear-gradient(135deg,#4f46e5,#2563eb);border-radius:32px}.game-featured h3{font-size:3rem;margin-bottom:16px}.game-featured p{color:rgba(255,255,255,.8)}.tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 28px}.tags span{padding:6px 10px;background:rgba(255,255,255,.1);border-radius:999px;font-size:.72rem}.game-screen{align-self:center;padding:24px;color:#0f172a;background:#fff;border-radius:24px;box-shadow:0 30px 60px rgba(15,23,42,.28)}.game-screen header{display:flex;justify-content:space-between;color:#64748b;font-size:.7rem;font-weight:800}.game-screen h4{text-align:center;font-size:2.3rem}.answers{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}.answers span{display:grid;place-items:center;min-height:48px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px}.answers .correct{color:#047857;background:#ecfdf5}.game-secondary{display:grid;gap:24px}.game-secondary article{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:26px;background:#fff;border:1px solid var(--color-border);border-radius:24px}.mini-icon{width:54px;height:54px;display:grid;place-items:center;color:#2563eb;background:#dbeafe;border-radius:16px;font-size:1.4rem;font-weight:850}.mini-icon.green{color:#047857;background:#d1fae5}.game-secondary p{color:#64748b;font-size:.86rem}.game-secondary a{color:#2563eb;font-weight:750}

/* ARTICLE */
.article-section{background:#fff}.article-visual{min-height:210px;display:flex;align-items:flex-end;padding:24px;color:#fff;font-size:1.1rem;font-weight:800}.article-card>div{padding:25px}

/* ABOUT */
.about-section{background:#f8fafc}.about-wrapper{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:80px}.about-content h2{font-size:clamp(2.2rem,4.4vw,3.8rem);letter-spacing:-.04em}.about-content p{color:#64748b}.about-content .lead{color:#334155;font-size:1.05rem}.about-values{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.about-values article{padding:26px;background:#fff;border:1px solid var(--color-border);border-radius:24px;box-shadow:var(--shadow-small)}.about-values small{color:#2563eb;font-weight:850}.about-values p{margin-bottom:0;color:#64748b;font-size:.86rem}

/* CTA */
.cta-section{padding-top:0;background:#f8fafc}.cta-wrapper{display:flex;align-items:center;justify-content:space-between;gap:60px;padding:60px;color:#fff;background:linear-gradient(135deg,#1d4ed8,#4f46e5);border-radius:32px}.cta-wrapper>div:first-child{max-width:700px}.cta-eyebrow{font-size:.78rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:#dbeafe}.cta-wrapper h2{font-size:clamp(2.1rem,4vw,3.5rem)}.cta-wrapper p{color:rgba(255,255,255,.8)}.cta-actions{display:flex;flex-direction:column;gap:12px;min-width:210px}

/* FOOTER */
.site-footer{padding:70px 0 28px;color:#cbd5e1;background:#0f172a}.site-footer .logo-text{color:#fff}.footer-main{display:grid;grid-template-columns:1.6fr repeat(3,.7fr);gap:50px;padding-bottom:54px}.footer-brand p{max-width:360px;margin-top:20px;color:#94a3b8;font-size:.88rem}.footer-column{display:flex;flex-direction:column;gap:10px}.footer-column h2{color:#fff;font-size:.85rem;text-transform:uppercase}.footer-column a{color:#94a3b8;font-size:.86rem}.footer-column a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:24px;border-top:1px solid rgba(148,163,184,.18);color:#64748b;font-size:.78rem}.footer-bottom p{margin:0}