body { font-family: 'DM Sans', system-ui, sans-serif; }
.heading-serif { font-family: 'DM Serif Display', Georgia, serif; font-weight: 400; }

.nav-scrolled {
    background: rgba(255,255,255,.94);
    border-color: rgba(2,79,124,.06);
    box-shadow: 0 1px 0 rgba(2,79,124,.06), 0 12px 40px rgba(15,23,42,.06);
}
.nav-scrolled .nav-link { color: #64748b; }
.nav-scrolled .nav-link:hover { color: #024f7c; }
.nav-scrolled .nav-link-active { color: #024f7c; }
.nav-scrolled .nav-brand-sub { color: #64748b; }
.nav-scrolled .nav-brand-name { color: #024f7c; }
.nav-scrolled .nav-menu-btn { color: #024f7c; }
.btn-primary { transition: all .28s cubic-bezier(.4,0,.2,1); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 28px -8px rgba(2,79,124,.35); }

.tl-breadcrumb {
    margin-top: 5rem;
    background: linear-gradient(90deg, #f8fafc 0%, #eef6fb 50%, #f8fafc 100%);
    border-bottom: 1px solid #e8eef4;
    padding: .85rem 0;
}
.breadcrumb-link {
    display: inline-flex; align-items: center; gap: .45rem;
    font-size: .75rem; font-weight: 500; color: #64748b;
    transition: color .2s;
}
.breadcrumb-link:hover { color: #024f7c; }

/* Hero */
.tl-hero {
    position: relative; overflow: hidden;
    background: linear-gradient(165deg, #060d18 0%, #0a1f33 45%, #024f7c 88%, #0c4a6e 100%);
    color: #fff;
    padding: 3.5rem 0 4.5rem;
}
@media (min-width: 768px) { .tl-hero { padding: 5rem 0 6rem; } }

.tl-hero-grain {
    position: absolute; inset: 0; opacity: .04; pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.tl-hero-orb {
    position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none;
}
.tl-hero-orb--1 {
    width: min(400px, 70vw); height: min(400px, 70vw);
    top: -80px; right: -60px;
    background: radial-gradient(circle, rgba(56,189,248,.2), transparent 70%);
}
.tl-hero-orb--2 {
    width: min(280px, 50vw); height: min(280px, 50vw);
    bottom: -60px; left: -40px;
    background: radial-gradient(circle, rgba(251,146,60,.1), transparent 70%);
}
.tl-hero-inner { position: relative; z-index: 1; }

.tl-hero-kicker {
    font-size: .68rem; font-weight: 700; letter-spacing: .24em;
    text-transform: uppercase; color: rgba(125,211,252,.8);
    margin: 0 0 1.25rem;
}
.tl-hero-title {
    font-size: clamp(2.1rem, 5.5vw, 3.75rem);
    line-height: 1.1; letter-spacing: -.02em;
    max-width: 18ch; margin: 0 0 1.5rem;
}
.tl-hero-lead {
    font-size: clamp(1rem, 2.2vw, 1.15rem);
    line-height: 1.75; color: #94a3b8;
    max-width: 42rem; margin: 0;
}

/* Manifesto strip */
.tl-manifesto {
    background: #fff;
    padding: 4rem 0;
    border-bottom: 1px solid #e8eef4;
}
@media (min-width: 768px) { .tl-manifesto { padding: 5rem 0; } }

.tl-manifesto-text {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    line-height: 1.55; color: #0f172a;
    max-width: 48rem; margin: 0;
}
.tl-manifesto-text em { font-style: italic; color: #024f7c; }

/* Topic index */
.tl-index {
    padding: 4rem 0 5rem;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}
@media (min-width: 768px) { .tl-index { padding: 5rem 0 6rem; } }

.section-eyebrow {
    font-size: .68rem; font-weight: 700; letter-spacing: .2em;
    text-transform: uppercase; color: #64748b;
    margin: 0 0 .75rem;
}
.section-title {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    line-height: 1.15; color: #0f172a;
    margin: 0 0 1rem;
    font-weight: 400;
}
.section-lead {
    font-size: 1rem; line-height: 1.75; color: #64748b;
    max-width: 38rem; margin: 0 0 2.5rem;
}

.tl-topic-grid {
    display: grid;
    gap: 1rem;
}
@media (min-width: 768px) {
    .tl-topic-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
}

.tl-topic-card {
    display: flex; flex-direction: column;
    padding: 1.5rem 1.75rem;
    border: 1px solid #e8eef4;
    border-radius: 1rem;
    background: #fff;
    text-decoration: none;
    color: inherit;
    transition: border-color .25s, box-shadow .25s, transform .25s;
}
.tl-topic-card:hover {
    border-color: rgba(2,79,124,.2);
    box-shadow: 0 12px 40px -16px rgba(2,79,124,.15);
    transform: translateY(-2px);
}
.tl-topic-tag {
    font-size: .62rem; font-weight: 700; letter-spacing: .16em;
    text-transform: uppercase; color: #60a5fa;
    margin-bottom: .65rem;
}
.tl-topic-card h3 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.2rem; line-height: 1.3;
    color: #024f7c; margin: 0 0 .5rem; font-weight: 400;
}
.tl-topic-card p {
    font-size: .875rem; line-height: 1.65; color: #64748b;
    margin: 0; flex: 1;
}
.tl-topic-arrow {
    margin-top: 1rem;
    font-size: .75rem; font-weight: 600; color: #024f7c;
}

/* Article pages */
.tl-article-page .tl-breadcrumb { margin-top: 5rem; }

.tl-article-wrap {
    padding: 2.5rem 0 5rem;
}
@media (min-width: 768px) { .tl-article-wrap { padding: 3rem 0 6rem; } }

.tl-back-link {
    display: inline-flex; align-items: center; gap: .5rem;
    font-size: .75rem; font-weight: 600; letter-spacing: .14em;
    text-transform: uppercase; color: #64748b;
    margin-bottom: 2rem; transition: color .2s;
}
.tl-back-link:hover { color: #024f7c; }

.tl-essay-header { max-width: 44rem; margin-bottom: 2rem; }
.tl-essay-meta {
    display: flex; flex-wrap: wrap; gap: .5rem 1rem;
    margin-bottom: 1rem;
}
.tl-essay-pill {
    font-size: .62rem; font-weight: 700; letter-spacing: .14em;
    text-transform: uppercase;
    padding: .35rem .75rem;
    border-radius: 999px;
    background: #e8f4fa; color: #024f7c;
}
.tl-essay-title {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(1.65rem, 4vw, 2.35rem);
    line-height: 1.2; color: #0f172a;
    margin: 0 0 1rem; font-weight: 400;
}
.tl-essay-deck {
    font-size: 1.05rem; line-height: 1.7; color: #475569;
    margin: 0;
}

.tl-essay-body {
    max-width: 44rem;
    font-size: .95rem; line-height: 1.8; color: #475569;
}
.tl-essay-body h3 {
    font-size: 1rem; font-weight: 700; color: #0f172a;
    margin: 2rem 0 .75rem; letter-spacing: -.01em;
}
.tl-essay-body p { margin: 0 0 1.15rem; }
.tl-essay-body ul, .tl-essay-body ol {
    margin: 0 0 1.25rem; padding-left: 1.35rem;
}
.tl-essay-body li { margin-bottom: .45rem; }
.tl-essay-body strong { color: #0f172a; font-weight: 600; }

.tl-callout {
    margin: 1.75rem 0;
    padding: 1.25rem 1.5rem;
    border-left: 3px solid #60a5fa;
    border-radius: 0 .75rem .75rem 0;
    background: linear-gradient(90deg, #f0f9ff 0%, #f8fafc 100%);
}
.tl-callout p { margin: 0; font-size: .9rem; line-height: 1.7; color: #334155; }
.tl-callout strong { color: #024f7c; }

.tl-takeaway {
    margin-top: 2rem;
    padding: 1.5rem 1.75rem;
    border: 1px solid #e8eef4;
    border-radius: 1rem;
    background: #f8fafc;
}
.tl-takeaway-label {
    font-size: .62rem; font-weight: 700; letter-spacing: .16em;
    text-transform: uppercase; color: #64748b;
    margin: 0 0 .65rem;
}
.tl-takeaway p {
    margin: 0; font-size: .9rem; line-height: 1.7; color: #334155;
}

.tl-article-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    align-items: start;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #e8eef4;
}
@media (max-width: 639px) {
    .tl-article-nav { grid-template-columns: 1fr; }
    .tl-article-nav-all { order: -1; justify-self: start; margin-bottom: .5rem; }
}

.tl-article-nav-link {
    display: flex; flex-direction: column; gap: .25rem;
    text-decoration: none; color: inherit;
    padding: .75rem 0;
    transition: color .2s;
}
.tl-article-nav-link:hover { color: #024f7c; }
.tl-article-nav-link--next { text-align: right; }
@media (max-width: 639px) { .tl-article-nav-link--next { text-align: left; } }

.tl-article-nav-label {
    font-size: .62rem; font-weight: 700; letter-spacing: .14em;
    text-transform: uppercase; color: #94a3b8;
}
.tl-article-nav-title {
    font-size: .85rem; font-weight: 600; line-height: 1.4; color: #024f7c;
}
.tl-article-nav-all {
    font-size: .75rem; font-weight: 600; color: #64748b;
    text-decoration: none; padding: .5rem 1rem;
    border: 1px solid #e8eef4; border-radius: 999px;
    align-self: center; transition: all .2s;
}
.tl-article-nav-all:hover {
    color: #024f7c; border-color: rgba(2,79,124,.25);
    background: #f8fafc;
}

/* Platforms strip */
.tl-platforms {
    padding: 4rem 0;
    background: #0f172a;
    color: #fff;
}
.tl-platforms-grid {
    display: grid; gap: 1.25rem;
}
@media (min-width: 640px) { .tl-platforms-grid { grid-template-columns: repeat(3, 1fr); } }

.tl-platform-item {
    padding: 1.5rem;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: .85rem;
    background: rgba(255,255,255,.03);
}
.tl-platform-item strong {
    display: block;
    font-size: .68rem; font-weight: 700; letter-spacing: .16em;
    text-transform: uppercase; color: #60a5fa;
    margin-bottom: .5rem;
}
.tl-platform-item span {
    font-size: .9rem; line-height: 1.6; color: #94a3b8;
}

/* CTA */
.tl-cta {
    padding: 4rem 0;
    background: linear-gradient(180deg, #fff 0%, #f0f9ff 100%);
    border-top: 1px solid #e8eef4;
    text-align: center;
}
.tl-cta h2 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: #0f172a; margin: 0 0 1rem; font-weight: 400;
}
.tl-cta p {
    font-size: 1rem; line-height: 1.7; color: #64748b;
    max-width: 32rem; margin: 0 auto 1.75rem;
}
.tl-cta-row {
    display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center;
}

.site-footer {
    background: #0f172a; color: #94a3b8;
}
.footer-text { color: #64748b; }
.footer-link { color: #94a3b8; transition: color .2s; }
.footer-link:hover { color: #e2e8f0; }
.footer-dot { color: #475569; margin: 0 .5rem; }

/* Reveal */
.reveal {
    opacity: 0; transform: translateY(24px);
    transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .tl-topic-card:hover { transform: none; }
}