*,*::before,*::after{margin:0;box-sizing:border-box}
:root{--color-bg:#fff;--color-bg-surface:#f5f5f7;--color-text:#1d1d1f;--color-text-secondary:#424245;--color-text-muted:#6e6e73;--color-accent:#007aff;--color-accent-hover:#0056b3;--color-border:#d2d2d7;--color-border-muted:#e5e5ea;--space-sm:8px;--space:16px;--space-md:24px;--space-lg:32px;--space-xl:48px;--space-2xl:64px}
@media(prefers-color-scheme:dark){:root{--color-bg:#0c0c0e;--color-bg-surface:#161618;--color-text:#fff;--color-text-secondary:#c7c7cc;--color-text-muted:#a1a1a6;--color-border:#38383a;--color-border-muted:#2c2c2e}}
html{scroll-behavior:smooth}
body{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:.9375rem;line-height:1.5;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}
::selection{background:rgba(0,122,255,.2);color:var(--color-text)}
h1{font-size:3rem;font-weight:700;line-height:1.15;letter-spacing:-.02em}
h2{font-size:2.25rem;font-weight:700;line-height:1.2;letter-spacing:-.02em}
h3{font-size:1.5rem;font-weight:600;line-height:1.25}
@media(max-width:768px){h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.25rem}}

.container-site{max-width:1200px;margin:0 auto;padding:0 1.5rem}

.hl{color:var(--color-accent)}.secondary{color:var(--color-text-secondary)}.muted{color:var(--color-text-muted)}
.surface{background:var(--color-bg-surface)}.divider{height:1px;background:var(--color-border-muted)}.md-hide{display:none}@media(max-width:768px){.md-hide{display:block;margin-top:var(--space-lg)}}

/* Header */
.header{min-height:80px;display:flex;align-items:center;border-bottom:1px solid var(--color-border-muted);background:var(--color-bg)}
.logo{font-size:1.125rem;font-weight:700;color:var(--color-accent);text-decoration:none}.logo span{color:var(--color-text);font-weight:700}
.nav{display:flex;gap:var(--space-lg)}.nav a{color:var(--color-text-secondary);text-decoration:none;font-size:.9375rem;transition:color .2s}.nav a:hover{color:var(--color-text)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;border:1px solid transparent;border-radius:.5rem;font-weight:500;font-size:.9375rem;font-family:inherit;line-height:1.25;cursor:pointer;transition:all .2s;text-decoration:none}
.btn:focus-visible{box-shadow:0 0 0 2px var(--color-accent);outline:none}
.btn-primary{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.btn-primary:hover{background:var(--color-accent-hover)}
.btn-secondary{background:var(--color-bg);color:var(--color-accent);border-color:var(--color-accent)}.btn-secondary:hover{background:rgba(0,122,255,.06)}
.btn-ghost{background:transparent;color:var(--color-text-secondary);border-color:transparent}.btn-ghost:hover{background:var(--color-bg-surface);color:var(--color-text)}
.btn-sm{padding:.5rem .75rem;font-size:.8125rem}
.btns{display:flex;gap:.75rem;margin-top:var(--space-lg)}

/* Hero */
.hero{padding:var(--space-2xl) 0}
.hero h1{margin-bottom:var(--space)}.hero p{margin-bottom:0;font-size:1.125rem;max-width:700px}.hero .muted{margin-top:1.5rem}

.code-block{margin-top:3rem;max-width:700px;font-size:.8125rem;line-height:1.7;border:1px solid var(--color-border-muted);border-radius:.5rem;padding:1.5rem 1.5rem 2.5rem 1.5rem;background:var(--color-bg-surface);overflow:hidden;position:relative;height:166px}
.code-block pre,.code-block code{font-family:inherit;margin:0;white-space:pre;line-height:1.7}

/* Services */
.services{padding:var(--space-2xl) 0}
.services h2{margin-bottom:var(--space)}.services .secondary{margin-bottom:3rem;max-width:600px}
.services-list{display:grid;grid-template-columns:1fr 1fr;gap:3rem var(--space-lg)}
.services-list .hl{font-size:.875rem;font-weight:500;margin-bottom:.5rem}
.services-list h3{margin-bottom:.75rem}.services-list .secondary{font-size:.9375rem;margin-bottom:0}
.services-list .link{font-size:.875rem;font-weight:500;text-decoration:none;display:inline-flex;align-items:center;gap:.25rem;margin-top:1rem}.services-list .link:hover{text-decoration:underline}
@media(max-width:768px){.services-list{grid-template-columns:1fr;gap:1.5rem}}

/* Programs */
.programs{padding:var(--space-2xl) 0}.programs h2{margin-bottom:var(--space)}.programs .secondary{margin-bottom:3rem;max-width:600px}
.surface-card{background:var(--color-bg);border:1px solid var(--color-border-muted);border-radius:.5rem;padding:1.5rem}
.surface-card h3{margin-bottom:.5rem}.surface-card .secondary{margin-bottom:1rem;font-size:.9375rem}
.programs-list{display:grid;grid-template-columns:1fr 1fr;gap:var(--space)}
@media(max-width:768px){.programs-list{grid-template-columns:1fr}}

/* About */
.about{padding:var(--space-2xl) 0}.about-grid{display:flex;align-items:center;gap:3.5rem}.about-grid>div:first-child{flex:1}.about-grid>div:last-child{flex:1}
.about h2{margin-bottom:var(--space)}.about .secondary{margin-bottom:2.5rem;max-width:480px}
.about-stats{display:flex;gap:3rem}.about-stats .hl{font-size:2rem;font-weight:700;line-height:1.2;display:block}.about-stats .muted{font-size:.8125rem}
.about-visual svg{width:100%;height:auto;max-width:360px}
@keyframes barA{0%{opacity:0}30%{opacity:.55}70%{opacity:.25}100%{opacity:.55}}
@keyframes barB{0%{opacity:0}40%{opacity:.45}60%{opacity:.15}100%{opacity:.45}}
.line{stroke-dasharray:400 400;stroke-dashoffset:400;animation:scanLine 3s ease-in-out .5s infinite}
@keyframes scanLine{0%{stroke-dashoffset:400}50%{stroke-dashoffset:0}100%{stroke-dashoffset:400}}
@media(max-width:768px){.about-grid{flex-direction:column;gap:2rem}.about-stats{gap:1.5rem}}

/* CTA */
.cta{padding:var(--space-2xl) 0}

/* Footer */
.footer{border-top:1px solid var(--color-border-muted);background:var(--color-bg);font-size:.8125rem;color:var(--color-text-muted)}
.footer a{color:var(--color-text-muted);text-decoration:none}.footer a:hover{color:var(--color-accent)}
@media(max-width:768px){.nav{display:none}}