:root{--color-bg:#f7f8fb;--color-bg-alt:#eef1f7;--color-bg-deep:#0a0f1a;--color-surface:#fff;--color-ink:#0a0f1a;--color-muted:#6b7688;--color-primary:#2f6bf5;--color-primary-dark:#1a4bc4;--color-primary-light:#7ba4fa;--color-primary-tint:#e8effe;--color-accent:#f0803c;--color-accent-tint:#fdeee3;--color-brand-navy:#0c1f3a;--color-border:#e6e9f0;--color-success-tint:#e5f3ea;--color-success:#2f8a4e;--font-display:"Manrope", -apple-system, "Segoe UI", sans-serif;--font-body:"Inter", "Noto Naskh Arabic", -apple-system, "Segoe UI", sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, monospace;--fs-hero:clamp(2.4rem, 5vw, 4.35rem);--fs-h2:clamp(2rem, 4.2vw, 3.5rem);--fs-h3:clamp(1.15rem, 1.6vw, 1.45rem);--fs-lead:clamp(1.05rem, 1.4vw, 1.3rem);--fs-body:1.0625rem;--fs-small:.9375rem;--fs-micro:.8125rem;--radius-sm:12px;--radius-md:20px;--radius-lg:32px;--radius-pill:999px;--shadow-card:0 1px 2px #0d1b2a0a, 0 16px 40px -20px #0f2f6b38;--shadow-card-hover:0 1px 2px #0d1b2a0f, 0 28px 56px -24px #0f2f6b52;--shadow-photo:0 32px 70px -34px #0c1f3a8c;--container:1200px;--transition:.22s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{background:var(--color-bg);color:var(--color-ink);font-family:var(--font-body);font-size:var(--fs-body);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;line-height:1.6}h1,h2,h3,h4{font-family:var(--font-display);color:var(--color-ink);letter-spacing:-.035em;text-wrap:balance;margin:0 0 .4em;font-weight:800;line-height:1.02}h1{font-size:var(--fs-hero)}h2{font-size:var(--fs-h2)}h3{font-size:var(--fs-h3);letter-spacing:-.02em;font-weight:700;line-height:1.25}p{margin:0 0 1em}a{color:var(--color-primary);text-decoration:none}img{max-width:100%;display:block}.container{max-width:var(--container);margin:0 auto;padding:0 28px}.container--narrow{max-width:900px}.stage{flex-direction:column;justify-content:center;min-height:100svh;padding:104px 0;scroll-margin-top:0;display:flex}.stage--auto{min-height:0}.stage--alt{background:var(--color-bg-alt)}.stage--deep{background:var(--color-bg-deep);color:#eaf1fb}.stage--deep h1,.stage--deep h2,.stage--deep h3{color:#fff}.stage--deep .lead,.stage--deep p{color:#a9c0dc}.section{padding:88px 0}.section--alt{background:var(--color-bg-alt)}.eyebrow{font-family:var(--font-mono);font-size:var(--fs-micro);letter-spacing:.1em;text-transform:uppercase;color:var(--color-primary);align-items:center;gap:8px;margin-bottom:22px;font-weight:500;display:inline-flex}.eyebrow:before{content:"";background:var(--color-primary);opacity:.5;width:22px;height:1px}.stage--deep .eyebrow{color:var(--color-primary-light)}.stage--deep .eyebrow:before{background:var(--color-primary-light)}.lead{font-size:var(--fs-lead);color:var(--color-muted);text-wrap:pretty;max-width:46ch;line-height:1.5}.section-head{max-width:900px;margin:0 0 56px}.section-head p{color:var(--color-muted);font-size:var(--fs-lead);line-height:1.5}.btn{font-family:var(--font-body);font-weight:600;font-size:var(--fs-small);letter-spacing:-.01em;border-radius:var(--radius-pill);cursor:pointer;transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding:16px 30px;display:inline-flex}.btn:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:3px}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover{background:var(--color-primary-dark);transform:translateY(-2px)}.btn--ghost{color:var(--color-ink);border-color:var(--color-border);background:0 0}.btn--ghost:hover{border-color:var(--color-primary);background:var(--color-primary-tint)}.stage--deep .btn--ghost{color:#fff;border-color:#ffffff47}.stage--deep .btn--ghost:hover{background:#ffffff1a;border-color:#ffffff80}.btn--sm{font-size:var(--fs-micro);padding:11px 20px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card);transition:box-shadow var(--transition), transform var(--transition)}.card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px)}.badge{font-family:var(--font-mono);font-size:var(--fs-micro);letter-spacing:.04em;border-radius:var(--radius-pill);background:var(--color-primary-tint);color:var(--color-primary-dark);align-items:center;padding:5px 12px;font-weight:500;display:inline-flex}.badge--draft{background:var(--color-accent-tint);color:#9b4518}.course-prose{max-width:780px;margin-inline:auto;font-size:1.05rem;line-height:1.76}.course-prose h2{margin:48px 0 18px;font-size:clamp(1.45rem,2.6vw,2rem);line-height:1.18}.course-prose h3{margin:32px 0 14px}.course-prose p,.course-prose ul,.course-prose ol{margin-bottom:1.25em}.course-prose li+li{margin-top:.45em}.course-case,.course-info{border-left:4px solid var(--color-primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:var(--color-primary-tint);margin:28px 0;padding:20px 22px}.course-case{border-left-color:var(--color-accent);background:var(--color-accent-tint)}.course-info p,.course-case{margin-bottom:0}.course-table-scroll{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);-webkit-overflow-scrolling:touch;width:100%;margin:24px 0 32px;overflow-x:auto}.course-table-scroll:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:3px}.course-table-scroll table{border-collapse:collapse;width:100%;min-width:620px;font-size:.94rem}.course-table-scroll th,.course-table-scroll td{border-right:1px solid var(--color-border);border-bottom:1px solid var(--color-border);text-align:left;vertical-align:top;padding:13px 16px}.course-table-scroll th{background:var(--color-primary-tint);color:var(--color-ink);font-weight:700}.course-table-scroll tr:last-child td{border-bottom:0}.course-table-scroll th:last-child,.course-table-scroll td:last-child{border-right:0}@media (width<=620px){.course-prose{font-size:1rem;line-height:1.7}.course-case,.course-info{padding:17px 18px}}.badge--accent{color:#79591b;background:#f7edd9}.grid{gap:24px;display:grid}.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}.figure-value{font-family:var(--font-display);letter-spacing:-.04em;color:var(--color-ink);font-size:clamp(2.5rem,5vw,4rem);font-weight:800;line-height:1}.stage--deep .figure-value{color:#fff}.figure-label{font-size:var(--fs-small);color:var(--color-muted);max-width:22ch}.stage--deep .figure-label{color:#a9c0dc}.reveal{transition:opacity .7s,transform .7s cubic-bezier(.2,.7,.3,1)}.reveal.is-armed{opacity:0;transform:translateY(24px)}.reveal.is-armed.is-visible{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal,.reveal.is-armed{opacity:1;transition:none;transform:none}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=960px){.grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}.stage{min-height:0;padding:72px 0}.section{padding:64px 0}}@media (width<=620px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}.container{padding:0 20px}.section-head{margin-bottom:36px}}.h-chip{vertical-align:middle;justify-content:center;align-items:center;margin:0 .18em;display:inline-flex;position:relative;top:-.06em}.h-chip--num{background:var(--color-primary);color:#fff;letter-spacing:-.03em;border-radius:.22em;padding:0 .18em .06em}.h-chip--photo{background:var(--color-primary-tint);border-radius:.3em;width:1.28em;height:.84em;overflow:hidden;box-shadow:0 6px 18px -8px #0a0f1a66}.h-chip--photo img{object-fit:cover;width:100%;height:100%}.h-chip--icon{width:.92em;height:.92em;color:var(--color-accent);background:#fff;border-radius:.3em;box-shadow:0 6px 18px -8px #0a0f1a4d}.h-chip--icon svg{width:62%;height:62%}.h-dim{color:#b8c0cd;margin:0 .16em}.pill{border-radius:var(--radius-pill);background:var(--color-surface);border:1px solid var(--color-border);font-size:var(--fs-small);color:var(--color-ink);transition:border-color var(--transition), background var(--transition);align-items:center;gap:6px;padding:10px 18px;font-weight:500;display:inline-flex}.pill:hover{border-color:var(--color-primary);background:var(--color-primary-tint)}.tag-label{border-radius:var(--radius-pill);background:var(--color-surface);border:1px solid var(--color-border);font-size:var(--fs-micro);color:var(--color-muted);padding:8px 18px;font-weight:500;display:inline-block}.float-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--fs-micro);max-width:210px;padding:12px 16px;line-height:1.35;animation:7s ease-in-out infinite float-drift;position:absolute;box-shadow:0 24px 48px -28px #0a0f1a59}.float-card--tilt-l{transform:rotate(-6deg)}.float-card--tilt-r{transform:rotate(5deg)}@keyframes float-drift{0%,to{translate:0}50%{translate:0 -10px}}.num-list{border-top:1px solid var(--color-border)}.num-list__row{border-bottom:1px solid var(--color-border);color:inherit;transition:background var(--transition);grid-template-columns:68px 190px 1fr 56px;align-items:center;gap:28px;padding:26px 0;display:grid;position:relative}.num-list__row:hover{background:#2f6bf508}.num-list__num{font-family:var(--font-display);letter-spacing:-.04em;color:var(--color-ink);font-size:1.9rem;font-weight:700}.num-list__title{font-family:var(--font-display);letter-spacing:-.025em;margin:0 0 6px;font-size:clamp(1.1rem,1.7vw,1.45rem);font-weight:700;line-height:1.2;display:block}.num-list__date{font-size:var(--fs-small);color:var(--color-muted);align-items:center;gap:10px;display:flex}.num-list__author{color:var(--color-ink);align-items:center;gap:8px;font-weight:500;display:inline-flex}.num-list__author img{object-fit:cover;background:var(--color-primary-tint);border-radius:50%;width:28px;height:28px}.num-list__sep{color:#b8c0cd}.num-list__arrow{border:1px solid var(--color-border);width:52px;height:52px;color:var(--color-ink);transition:background var(--transition), color var(--transition), border-color var(--transition);border-radius:50%;justify-content:center;align-items:center;display:flex}.num-list__row:hover .num-list__arrow{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.logo-row{opacity:.55;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:32px;display:flex}.logo-row__item{font-family:var(--font-display);letter-spacing:-.02em;color:#8d97a8;white-space:nowrap;font-size:1.05rem;font-weight:700}@media (width<=900px){.num-list__row{grid-template-columns:44px 120px 1fr;gap:16px}.num-list__arrow,.float-card{display:none}}@media (width<=620px){.num-list{border-top:0;gap:14px;display:grid}.num-list__row{border:1px solid var(--color-border);border-radius:var(--radius-md);background:#ffffffd1;grid-template-columns:minmax(0,1fr);gap:14px;padding:12px 12px 16px;overflow:hidden;box-shadow:0 14px 30px -26px #0a0f1a6b}.num-list__row:hover{background:#fff}.num-list__row>.photo{border-radius:calc(var(--radius-md) - 4px);width:100%;aspect-ratio:16/9!important}.num-list__num{z-index:1;border-radius:var(--radius-pill);font-family:var(--font-mono);letter-spacing:.08em;background:#ffffffeb;border:1px solid #ffffffb8;padding:7px 10px;font-size:.78rem;line-height:1;position:absolute;top:24px;left:24px;box-shadow:0 8px 20px -12px #0a0f1a8c}.num-list__content{min-width:0}.num-list__title{margin-bottom:10px;font-size:clamp(1.12rem,5.6vw,1.35rem);line-height:1.22}.num-list__date{flex-wrap:wrap;gap:7px 9px;line-height:1.4}.num-list__author{min-width:0}}.h-chip--photo{background:linear-gradient(150deg, var(--color-primary-tint), #c9d9f8);position:relative}.h-chip--photo:after{content:"";background:radial-gradient(circle at 32% 38%,#2f6bf58c 0 14%,#0000 15%),linear-gradient(to top right,#0000 55%,#2f6bf559 56%);border:1.5px solid #2f6bf58c;border-radius:3px;position:absolute;inset:22%}