/* ==========================================================================
   BISCOTTI ENTENTE — components: header, footer, page furniture
   ========================================================================== */

/* ---------- Header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 60;
  background: rgba(238,240,241,0.84);
  border-top: 3px solid var(--marm);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-head .bar { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-lock { display: inline-flex; align-items: center; gap: 12px; }
.brand-lock .logotype { font-family: var(--display); font-weight: 700; line-height: 0.88; letter-spacing: -0.04em; font-size: 18px; }
.brand-lock .logotype span { display: block; }
.brand-lock .logotype .lt-b { color: var(--ink); }
.brand-lock .logotype .lt-e { color: var(--marm); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--text-2); padding: 9px 14px; border-radius: 100px; transition: color .15s ease, background-color .15s ease; letter-spacing: -0.01em; }
.nav-links a:hover { color: var(--ink); background: rgba(20,22,26,0.05); }
.nav-links a.active { color: var(--ink); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; align-items: center; justify-content: center; color: var(--ink); border: 1px solid var(--line-2); }
@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-right .btn { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* ---------- Footer ---------- */
.site-foot { background: var(--espresso); color: var(--on-ink); padding: 76px 0 38px; }
.foot-top { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; }
@media (max-width: 880px) { .foot-top { grid-template-columns: 1fr 1fr; gap: 34px; } }
@media (max-width: 520px) { .foot-top { grid-template-columns: 1fr; } }
.foot-brand .logotype { font-family: var(--display); font-weight: 700; line-height: 0.88; letter-spacing: -0.04em; font-size: 30px; }
.foot-brand .logotype span { display: block; }
.foot-brand .logotype .lt-b { color: var(--on-ink); }
.foot-brand .logotype .lt-e { color: var(--marm); }
.foot-brand p { color: var(--on-ink-2); font-size: 15px; max-width: 30ch; margin: 12px 0 0; line-height: 1.55; }
.foot-col h5 { font-family: var(--mono); font-size: 11px; font-weight: 400; text-transform: uppercase; letter-spacing: 0.12em; color: var(--on-ink-2); margin: 0 0 18px; }
.foot-col a { display: block; color: var(--on-ink); font-size: 15px; padding: 6px 0; opacity: 0.82; transition: opacity .15s ease, color .15s ease; }
.foot-col a:hover { opacity: 1; color: var(--marm); }
.foot-bottom { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--line-ink); }
.foot-bottom .small { color: var(--on-ink-2); font-size: 13px; font-family: var(--mono); letter-spacing: 0.02em; }
.foot-bottom .foot-meta { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- Hero ---------- */
.hero { padding: clamp(64px, 9vw, 128px) 0 clamp(56px, 7vw, 96px); position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
@media (max-width: 940px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero-notes { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 34px; }
.hero-note { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-2); }
.hero-note svg { color: var(--lapis); flex-shrink: 0; }

/* ticker of venture names */
.ticker { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; background: var(--paper); }
.ticker .track { display: flex; gap: 0; width: max-content; animation: tick 38s linear infinite; }
@media (prefers-reduced-motion: reduce) { .ticker .track { animation: none; } }
.ticker .tick-item { display: inline-flex; align-items: center; gap: 14px; padding: 16px 30px; font-family: var(--mono); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-2); white-space: nowrap; }
.ticker .tick-item::after { content: '·'; color: var(--marm); margin-left: 30px; font-size: 18px; }
@keyframes tick { to { transform: translateX(-50%); } }

/* ---------- Feature row ---------- */
.feat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feat-row + .feat-row { margin-top: 92px; }
@media (max-width: 880px) { .feat-row { grid-template-columns: 1fr; gap: 32px; } .feat-row + .feat-row { margin-top: 60px; } .feat-row.flip .fr-media { order: -1; } }
.feat-row.flip > div:first-child { order: 2; }
.feat-row.flip .fr-media { order: 1; }
.feat-bullets { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-direction: column; gap: 14px; }
.feat-bullets li { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; color: var(--text-2); }
.feat-bullets li svg { color: var(--lapis); flex-shrink: 0; margin-top: 3px; }

/* ---------- Approach / numbered list ---------- */
.approach { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-3); overflow: hidden; }
@media (max-width: 720px) { .approach { grid-template-columns: 1fr; } }
.approach .ap-item { background: var(--card); padding: 34px; }
.approach .ap-num { font-family: var(--mono); font-size: 12px; color: var(--marm-deep); letter-spacing: 0.1em; }
.approach .ap-item h3 { margin: 16px 0 10px; }
.approach .ap-item p { color: var(--text-2); font-size: 15.5px; margin: 0; }

/* ---------- Quote ---------- */
.quote { max-width: 24ch; }
.quote blockquote { font-family: var(--display); font-weight: 500; font-size: clamp(26px, 3.4vw, 40px); line-height: 1.12; letter-spacing: -0.025em; margin: 0; }
.quote .qmark { color: var(--marm); }

/* ---------- Article ---------- */
.art-card { display: flex; flex-direction: column; height: 100%; overflow: hidden; }
.art-card .art-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.art-card .art-meta { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-3); display: flex; gap: 10px; align-items: center; }
.art-card .art-title { font-family: var(--display); font-weight: 600; font-size: 20px; letter-spacing: -0.02em; line-height: 1.2; }
.art-card .art-ex { color: var(--text-2); font-size: 15px; line-height: 1.5; }
.art-card .art-foot { margin-top: auto; padding-top: 6px; }

/* article reading body */
.prose { font-size: 18.5px; line-height: 1.72; color: var(--text-1); }
.prose > * + * { margin-top: 1.4em; }
.prose h2 { font-size: clamp(26px, 3vw, 34px); margin-top: 1.8em; letter-spacing: -0.025em; }
.prose h3 { font-size: clamp(21px, 2.2vw, 25px); margin-top: 1.6em; }
.prose p { color: var(--text-1); }
.prose a { color: var(--lapis); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1.5px; text-decoration-color: var(--lapis-line); }
.prose a:hover { text-decoration-color: var(--lapis); }
.prose blockquote { border-left: 3px solid var(--marm); padding: 4px 0 4px 26px; margin-left: 0; font-family: var(--display); font-weight: 500; font-style: italic; font-size: 23px; line-height: 1.35; color: var(--text-1); letter-spacing: -0.015em; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-top: 0.5em; }
.prose li::marker { color: var(--marm-deep); }
.prose strong { font-weight: 700; }
.prose .pull { font-family: var(--mono); font-size: 14px; background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-2); padding: 18px 20px; color: var(--text-2); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.2em 0; }

/* breadcrumb */
.crumb { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-3); }
.crumb a:hover { color: var(--ink); }
.crumb .sep { opacity: 0.5; }

/* big page header */
.page-head { padding: clamp(56px, 7vw, 96px) 0 0; }
.page-head .ph-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 48px; align-items: end; }
@media (max-width: 880px) { .page-head .ph-grid { grid-template-columns: 1fr; gap: 28px; } }

/* filter chips */
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { height: 40px; padding: 0 18px; border-radius: 100px; border: 1px solid var(--line-2); background: transparent; font-size: 14.5px; font-weight: 500; color: var(--text-2); display: inline-flex; align-items: center; gap: 8px; transition: all .15s ease; }
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.active { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.chip .ct { font-family: var(--mono); font-size: 11px; opacity: 0.6; }

/* CTA band */
.cta-band { background: var(--espresso); color: var(--on-ink); border-radius: var(--r-4); padding: clamp(40px, 5vw, 68px); display: grid; grid-template-columns: 1.3fr auto; gap: 40px; align-items: center; position: relative; overflow: hidden; }
@media (max-width: 760px) { .cta-band { grid-template-columns: 1fr; gap: 28px; } }
.cta-band h2 { color: var(--on-ink); max-width: 18ch; }
.cta-band p { color: var(--on-ink-2); margin: 16px 0 0; max-width: 40ch; }
.cb-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-band .cb-seal { position: absolute; right: -30px; top: -30px; opacity: 0.16; color: var(--marm); pointer-events: none; }

/* mini meta grid on detail pages */
.meta-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-3); overflow: hidden; }
.meta-grid .mg-item { background: var(--card); padding: 20px 22px; }
.meta-grid .mg-k { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); }
.meta-grid .mg-v { font-weight: 600; font-size: 16px; margin-top: 7px; color: var(--text-1); }

/* author row */
.author { display: flex; align-items: center; gap: 13px; }
.author .av { width: 44px; height: 44px; border-radius: 50%; background: var(--lapis-tint); border: 1px solid var(--lapis-line); display: inline-flex; align-items: center; justify-content: center; font-family: var(--display); font-weight: 700; color: var(--lapis-deep); font-size: 16px; }
.author .au-n { font-weight: 600; font-size: 15px; }
.author .au-r { font-size: 13px; color: var(--text-3); }