/* ============================================================
   CUSTOM FONTS
============================================================ */
@font-face {
  font-family: 'AISEO Grotesk';
  src: url('https://aiseotx.com/public/fonts/aiseo_grotesk_text_pro.woff2') format('woff2'),
       url('https://aiseotx.com/public/fonts/aiseo_grotesk_text_pro.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'AISEO Cond';
  src: url('https://aiseotx.com/public/fonts/aiseo_cond_extra_bold_oblique.woff2') format('woff2'),
       url('https://aiseotx.com/public/fonts/aiseo_cond_extra_bold_oblique.woff') format('woff');
  font-weight: 800;
  font-style: oblique;
  font-display: swap;
}

/* ============================================================
   RESET & TOKENS
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:      #050505;
  --off-black:  #0d0d0d;
  --surface:    #141414;
  --border:     rgba(255,255,255,0.09);
  --border-md:  rgba(255,255,255,0.16);

  /* ── Typography colour scale ──────────────────────────────
     Solid hex values read sharper on dark than rgba opacity.
     Use text-shadow to add depth without muddying contrast.  */
  --white:   #f2ede6;          /* headings, names          */
  --body:    #c8c2bb;          /* primary body copy        */
  --dim:     #8c867f;          /* secondary / captions     */
  --dim2:    #5a5550;          /* labels, meta, borders    */

  --red:     #ed1c24;
  --red-dim: rgba(237,28,36,0.10);
  --red-glow:rgba(237,28,36,0.24);

  /* ── Type scale ───────────────────────────────────────────
     Fluid sizing with clamp() so text scales to viewport.   */
  --text-xs:   0.72rem;   /* mono labels              */
  --text-sm:   0.875rem;  /* small UI / tags          */
  --text-base: 1rem;      /* default                  */
  --text-md:   1.0625rem; /* cards / proof desc       */
  --text-lg:   1.125rem;  /* hero sub / lead          */
  --text-xl:   1.25rem;   /* pillar names, snapshots  */
  --lh-tight:  1.55;
  --lh-body:   1.82;
  --lh-loose:  1.95;
}

html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--body);
  font-family: 'AISEO Grotesk', sans-serif;
  font-weight: 400;
  font-size: 16px;           /* explicit root so rem is predictable */
  overflow-x: hidden;
  cursor: none;
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ── Global heading sharpness trick ─────────────────────────
   A hair of text-shadow lifts lettering off the dark surface,
   making it feel crisper without changing the colour.        */
h1, h2, h3, h4, .proof-name, .cap-name, .def-title,
.entry-section-title, .ost-card-title, .pillar-card-name,
.sg-title, .snapshot-title {
  text-shadow: 0 1px 20px rgba(0,0,0,.6), 0 0 1px rgba(242,237,230,.06);
}

/* ── Paragraph rhythm ───────────────────────────────────────
   Max-width column keeps line-length readable (~70ch).       */
p { max-width: 72ch; }
p + p { margin-top: 1.1em; }

/* ── Strong / emphasis ──────────────────────────────────────*/
strong { color: var(--white); font-weight: 600;
  text-shadow: 0 0 12px rgba(242,237,230,.08); }

/* ============================================================
   CURSOR
============================================================ */
.cursor {
  position: fixed; top: 0; left: 0;
  width: 7px; height: 7px;
  background: var(--red); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: width .2s, height .2s;
}
.cursor-ring {
  position: fixed; top: 0; left: 0;
  width: 34px; height: 34px;
  border: 1px solid rgba(237,28,36,.4); border-radius: 50%;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  transition: width .3s, height .3s;
}

/* ============================================================
   NAV
============================================================ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  padding: 18px 52px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(5,5,5,0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: padding .4s, background .4s;
}
nav.scrolled { padding: 12px 52px; background: rgba(5,5,5,0.98); }
.nav-logo { display: flex; align-items: center; text-decoration: none; cursor: none; flex-shrink: 0; }
.nav-logo svg { height: 28px; width: auto; transition: opacity .25s; }
.nav-logo:hover svg { opacity: .75; }
.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a {
  font-family: 'AISEO Grotesk', 'Courier New', monospace;
  font-size: var(--text-xs); letter-spacing: .16em; text-transform: uppercase;
  color: var(--dim); text-decoration: none; cursor: none; transition: color .25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--red); }
.nav-dropdown { position: relative; }
.nav-dropdown > a { display: flex; align-items: center; gap: 6px; }
.nav-dropdown > a::after { content: '▾'; font-size: .5rem; opacity: .5; }
.dropdown-menu {
  position: absolute; top: calc(100% + 14px); left: 0;
  background: #0a0a0a; border: 1px solid var(--border-md);
  min-width: 230px; padding: 8px 0;
  opacity: 0; pointer-events: none;
  transform: translateY(8px); transition: opacity .25s, transform .25s;
}
.nav-dropdown:hover .dropdown-menu { opacity: 1; pointer-events: auto; transform: translateY(0); }
.dropdown-menu a {
  display: block; padding: 11px 20px;
  font-family: 'AISEO Grotesk', 'Courier New', monospace;
  font-size: var(--text-xs); letter-spacing: .14em; text-transform: uppercase;
  color: var(--dim); text-decoration: none; cursor: none;
  transition: color .2s, background .2s;
}
.dropdown-menu a:hover { color: var(--red); background: rgba(237,28,36,.05); }
.nav-cta {
  font-family: 'AISEO Grotesk', 'Courier New', monospace;
  font-size: var(--text-xs); letter-spacing: .12em; text-transform: uppercase;
  color: var(--black); background: var(--red); padding: 9px 18px;
  text-decoration: none; cursor: none; white-space: nowrap;
  transition: opacity .25s, box-shadow .25s;
}
.nav-cta:hover { opacity: .85; box-shadow: 0 0 22px var(--red-glow); }

/* ============================================================
   MARQUEE
============================================================ */
.marquee-wrap {
  overflow: hidden; white-space: nowrap;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--off-black); padding: 14px 0;
}
.marquee-track { display: inline-flex; animation: marquee 30s linear infinite; }
.marquee-track span {
  font-family: 'AISEO Grotesk', 'Courier New', monospace;
  font-size: var(--text-xs); letter-spacing: .18em; text-transform: uppercase;
  color: var(--dim2); padding: 0 26px;
}
.marquee-track span.sep { color: var(--red); opacity: .5; padding: 0 4px; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ============================================================
   SECTION LABELS + TITLES
============================================================ */
.sec-label {
  font-family: 'AISEO Grotesk', 'Courier New', monospace;
  font-size: var(--text-xs); letter-spacing: .28em; text-transform: uppercase;
  color: var(--red); margin-bottom: 16px;
}
.sec-title {
  font-family: 'AISEO Cond', sans-serif;
  font-size: clamp(48px, 5.5vw, 78px); line-height: .92;
  color: var(--white); letter-spacing: .01em;
}
.sec-title span { color: var(--red); }
.sec-title .ghost { -webkit-text-stroke: 1px rgba(242,237,230,.28); color: transparent; text-shadow: none; }

/* ============================================================
   SCROLL REVEAL
============================================================ */
.rv { opacity: 0; transform: translateY(24px); transition: opacity .75s, transform .75s cubic-bezier(.16,1,.3,1); }
.rv.vis { opacity: 1; transform: translateY(0); }
.d1 { transition-delay: .07s; } .d2 { transition-delay: .14s; }
.d3 { transition-delay: .21s; } .d4 { transition-delay: .28s; } .d5 { transition-delay: .35s; }

/* ============================================================
   BUTTONS
============================================================ */
.btn-red {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .12em; text-transform: uppercase;
  color: var(--black); background: var(--red); padding: 16px 32px;
  text-decoration: none; cursor: none; position: relative; overflow: hidden;
  transition: box-shadow .3s, transform .3s;
}
.btn-red::before {
  content: ''; position: absolute; inset: 0; background: rgba(255,255,255,.15);
  transform: translateX(-105%); transition: transform .4s cubic-bezier(.16,1,.3,1);
}
.btn-red:hover::before { transform: translateX(0); }
.btn-red:hover { box-shadow: 0 0 36px var(--red-glow); transform: translateY(-2px); }
.btn-red span, .btn-red .arr { position: relative; z-index: 1; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .12em; text-transform: uppercase;
  color: var(--dim); border: 1px solid var(--border-md); padding: 16px 28px;
  text-decoration: none; cursor: none; transition: color .25s, border-color .25s;
}
.btn-ghost:hover { color: var(--red); border-color: rgba(237,28,36,.3); }

/* ============================================================
   CTA SECTION
============================================================ */
.cta-section {
  padding: 140px 52px; text-align: center;
  position: relative; overflow: hidden; border-top: 1px solid var(--border);
}
.cta-glow {
  position: absolute; width: 700px; height: 420px;
  background: radial-gradient(ellipse, rgba(237,28,36,.07) 0%, transparent 65%);
  top: 50%; left: 50%; transform: translate(-50%,-50%); pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; max-width: 860px; margin: 0 auto; }
.cta-eyebrow {
  font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs);
  letter-spacing: .28em; text-transform: uppercase; color: var(--red); margin-bottom: 26px;
}
.cta-headline {
  font-family: 'AISEO Cond', sans-serif;
  font-size: clamp(60px, 8.5vw, 118px); line-height: .88;
  letter-spacing: -.01em; margin-bottom: 26px; color: var(--white);
}
.cta-headline span { color: var(--red); }
.cta-headline .ghost { -webkit-text-stroke: 1.5px rgba(242,237,230,.25); color: transparent; text-shadow: none; }
.cta-sub {
  font-size: var(--text-lg); color: var(--body);
  max-width: 460px; margin: 0 auto 44px; line-height: var(--lh-loose);
}
.cta-btns { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   FOOTER
============================================================ */
footer { border-top: 1px solid var(--border); padding: 52px; }
.footer-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 44px; gap: 40px; flex-wrap: wrap; }
.footer-logo { text-decoration: none; display: block; cursor: none; margin-bottom: 10px; }
.footer-logo svg { height: 22px; width: auto; }
.footer-tagline { font-size: var(--text-sm); color: var(--dim2); line-height: var(--lh-body); max-width: 220px; }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col-title { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .2em; text-transform: uppercase; color: var(--dim2); margin-bottom: 14px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: var(--text-base); color: var(--dim); text-decoration: none; cursor: none; transition: color .25s; }
.footer-col a:hover { color: var(--red); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 26px; flex-wrap: wrap; gap: 14px; }
.footer-copy { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .1em; color: var(--dim2); }
.footer-tx { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .12em; text-transform: uppercase; color: rgba(237,28,36,.55); border: 1px solid rgba(237,28,36,.15); padding: 4px 11px; }

/* ============================================================
   PAGE HERO (inner pages)
============================================================ */
.page-hero { padding: 140px 52px 80px; max-width: 1300px; margin: 0 auto; border-bottom: 1px solid var(--border); }
.page-hero-eyebrow {
  font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs);
  letter-spacing: .28em; text-transform: uppercase; color: var(--red); margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.page-hero-eyebrow .ln { width: 24px; height: 1px; background: var(--red); opacity: .5; }
.page-hero-title {
  font-family: 'AISEO Cond', sans-serif;
  font-size: clamp(64px, 10vw, 140px); line-height: .88;
  letter-spacing: -.01em; margin-bottom: 28px; color: var(--white);
}
.page-hero-title span { color: var(--red); }
.page-hero-title .ghost { -webkit-text-stroke: 2px rgba(242,237,230,.25); color: transparent; text-shadow: none; }
.page-hero-desc {
  font-size: var(--text-lg); color: var(--body);
  line-height: var(--lh-loose); max-width: 640px;
}

/* ============================================================
   PROOF GRID
============================================================ */
.proof-section { padding: 100px 52px; max-width: 1300px; margin: 0 auto; }
.proof-grid {
  margin-top: 48px;
  display: grid; grid-template-columns: repeat(3,1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border);
}
.proof-card { background: var(--off-black); padding: 0; position: relative; overflow: hidden; transition: background .3s; cursor: none; display: flex; flex-direction: column; }
.proof-card:hover { background: #111; }
.proof-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform .5s cubic-bezier(.16,1,.3,1); z-index: 2; }
.proof-card:hover::after { transform: scaleX(1); }
.proof-img { width: 100%; aspect-ratio: 16/9; overflow: hidden; background: #0a0a0a; flex-shrink: 0; }
.proof-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(25%) brightness(0.88); transition: filter .5s, transform .5s; }
.proof-card:hover .proof-img img { filter: grayscale(0%) brightness(1); transform: scale(1.03); }
.proof-body { padding: 26px 28px 32px; }
.proof-badge { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--red); opacity: .9; margin-bottom: 10px; display: block; }
.proof-name { font-family: 'AISEO Cond', sans-serif; font-size: 1.75rem; letter-spacing: .04em; color: var(--white); margin-bottom: 10px; line-height: 1; }
.proof-desc { font-size: var(--text-md); color: var(--body); line-height: var(--lh-body); }
.proof-tag { margin-top: 16px; font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--dim2); border: 1px solid var(--border); display: inline-block; padding: 4px 10px; }

/* ============================================================
   CAPSULES
============================================================ */
.capsules-section { padding: 80px 52px 100px; border-top: 1px solid var(--border); }
.caps-inner { max-width: 1300px; margin: 0 auto; }
.caps-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.cap-card { background: var(--off-black); padding: 44px 36px; position: relative; transition: background .35s; }
.cap-card:hover { background: #111; }
.cap-num { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .18em; color: rgba(237,28,36,.3); margin-bottom: 22px; display: block; }
.cap-status { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--red); margin-bottom: 8px; display: block; }
.cap-name { font-family: 'AISEO Cond', sans-serif; font-size: 1.85rem; letter-spacing: .04em; color: var(--white); margin-bottom: 14px; line-height: 1; }
.cap-desc { font-size: var(--text-md); color: var(--body); line-height: var(--lh-body); }
.cap-tags { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 7px; }
.cap-tag { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .1em; text-transform: uppercase; color: rgba(237,28,36,.75); border: 1px solid rgba(237,28,36,.22); padding: 4px 9px; }

/* ============================================================
   WHAT IS AISEO — subnav + body
============================================================ */
.page-subnav-wrap { border-bottom: 1px solid var(--border); background: var(--off-black); position: sticky; top: 65px; z-index: 100; }
.aiseo-body { max-width: 1300px; margin: 0 auto; padding: 80px 52px 120px; }
.page-subnav { display: flex; gap: 0; overflow-x: auto; max-width: 1300px; margin: 0 auto; padding: 0 52px; }
.page-subnav a {
  font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .16em; text-transform: uppercase;
  color: var(--dim); padding: 16px 24px; text-decoration: none; white-space: nowrap;
  border-bottom: 2px solid transparent; transition: color .25s, border-color .25s; cursor: none;
}
.page-subnav a:hover, .page-subnav a.active { color: var(--red); border-bottom-color: var(--red); }

/* ── Definition blocks ──────────────────────────────────────*/
.def-block { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; margin-bottom: 72px; padding-bottom: 72px; border-bottom: 1px solid var(--border); align-items: start; }
.def-label { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .2em; text-transform: uppercase; color: var(--red); margin-bottom: 12px; }
.def-title { font-family: 'AISEO Cond', sans-serif; font-size: 2.4rem; letter-spacing: .04em; color: var(--white); margin-bottom: 20px; line-height: 1; }
.def-body { font-size: var(--text-md); color: var(--body); line-height: var(--lh-body); margin-bottom: 14px; }
.def-body strong { color: var(--white); font-weight: 600; }
.def-list { list-style: none; margin-top: 16px; display: flex; flex-direction: column; gap: 14px; }
.def-list li { font-size: var(--text-md); color: var(--body); line-height: var(--lh-tight); padding-left: 22px; position: relative; }
.def-list li::before { content: '—'; position: absolute; left: 0; color: var(--red); opacity: .8; }

/* ── Pillars ────────────────────────────────────────────────*/
.pillars-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); margin-top: 48px; }
.pillar-card { background: var(--off-black); padding: 34px 28px; position: relative; transition: background .3s; }
.pillar-card:hover { background: #111; }
.pillar-card-num { font-family: 'AISEO Cond', sans-serif; font-size: 2.8rem; color: rgba(237,28,36,.07); line-height: 1; position: absolute; top: 8px; right: 12px; pointer-events: none; text-shadow: none; }
.pillar-card-name { font-family: 'AISEO Cond', sans-serif; font-size: var(--text-xl); letter-spacing: .04em; color: var(--white); margin-bottom: 12px; margin-top: 8px; line-height: 1.1; }
.pillar-card-desc { font-size: var(--text-md); color: var(--body); line-height: var(--lh-body); }

/* ── Buyer Beware ───────────────────────────────────────────*/
.beware-section { margin-top: 72px; padding-top: 72px; border-top: 1px solid var(--border); }
.beware-header { display: flex; align-items: center; gap: 20px; margin-bottom: 40px; flex-wrap: wrap; }
.beware-badge { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .14em; text-transform: uppercase; background: var(--red); color: var(--black); padding: 6px 14px; white-space: nowrap; font-weight: 700; }
.safeguard-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.safeguard { background: var(--off-black); padding: 36px 30px; position: relative; overflow: hidden; }
.safeguard::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--red); transform: scaleY(0); transform-origin: bottom; transition: transform .5s cubic-bezier(.16,1,.3,1); }
.safeguard:hover::before { transform: scaleY(1); }
.sg-num { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .18em; color: rgba(237,28,36,.55); margin-bottom: 14px; display: block; }
.sg-title { font-family: 'AISEO Cond', sans-serif; font-size: 1.4rem; letter-spacing: .04em; color: var(--white); margin-bottom: 14px; }
.sg-body { font-size: var(--text-md); color: var(--body); line-height: var(--lh-body); }
.sg-list { list-style: none; margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.sg-list li { font-size: var(--text-md); color: var(--body); padding-left: 20px; position: relative; line-height: var(--lh-tight); }
.sg-list li::before { content: '→'; position: absolute; left: 0; color: var(--red); opacity: .7; font-size: .75rem; }

/* ============================================================
   FAQ
============================================================ */
.faq-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; background: none; border: none; color: var(--body);
  font-family: 'AISEO Grotesk', sans-serif; font-size: var(--text-base); font-weight: 500;
  text-align: left; padding: 22px 0; cursor: none;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; transition: color .25s;
}
.faq-q:hover { color: var(--white); }
.faq-q .icon { font-size: 1.1rem; color: var(--red); opacity: .7; transition: transform .3s, opacity .3s; flex-shrink: 0; }
.faq-item.open .faq-q .icon { transform: rotate(45deg); opacity: 1; }
.faq-item.open .faq-q { color: var(--white); }
.faq-a { font-size: var(--text-md); color: var(--body); line-height: var(--lh-loose); max-height: 0; overflow: hidden; transition: max-height .4s cubic-bezier(.16,1,.3,1), padding .3s; }
.faq-item.open .faq-a { max-height: 400px; padding-bottom: 22px; }

/* ============================================================
   OLD SCHOOL TYLER
============================================================ */
.ost-hero { padding: 140px 52px 80px; border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.ost-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% 80%, rgba(237,28,36,.04) 0%, transparent 60%); pointer-events: none; }
.ost-hero-inner { max-width: 1300px; margin: 0 auto; position: relative; z-index: 1; }
.ost-archive-tag { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .22em; text-transform: uppercase; color: var(--red); opacity: .85; border: 1px solid rgba(237,28,36,.2); display: inline-block; padding: 5px 12px; margin-bottom: 28px; }
.ost-title { font-family: 'AISEO Cond', sans-serif; font-size: clamp(64px,10vw,140px); line-height: .88; letter-spacing: -.01em; margin-bottom: 24px; color: var(--white); }
.ost-title span { color: var(--red); }
.ost-desc { font-size: var(--text-lg); color: var(--body); line-height: var(--lh-loose); max-width: 600px; margin-bottom: 32px; }
.ost-meta { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--dim2); display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.ost-meta span.sep { width: 1px; height: 12px; background: var(--border-md); display: inline-block; }
.ost-index { max-width: 1300px; margin: 0 auto; padding: 80px 52px 120px; }
.ost-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.ost-card { background: var(--off-black); padding: 52px 44px; position: relative; overflow: hidden; transition: background .35s; cursor: none; display: flex; flex-direction: column; }
.ost-card:hover { background: #111; }
.ost-card::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg,transparent,var(--red),transparent); opacity: 0; transition: opacity .4s; }
.ost-card:hover::before { opacity: 1; }
.ost-card-cat { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .18em; text-transform: uppercase; color: var(--red); opacity: .8; margin-bottom: 20px; display: block; }
.ost-card-num { font-family: 'AISEO Cond', sans-serif; font-size: 6rem; color: rgba(237,28,36,.04); position: absolute; bottom: -10px; right: 20px; line-height: 1; pointer-events: none; text-shadow: none; }
.ost-card-title { font-family: 'AISEO Cond', sans-serif; font-size: clamp(28px,3vw,44px); line-height: .95; letter-spacing: .02em; color: var(--white); margin-bottom: 16px; }
.ost-card-desc { font-size: var(--text-md); color: var(--body); line-height: var(--lh-body); margin-bottom: 24px; flex: 1; }
.ost-card-link { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--red); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; transition: gap .25s; cursor: none; }
.ost-card-link:hover { gap: 14px; }
.ost-card-loc { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--dim2); display: flex; align-items: center; gap: 6px; margin-top: 10px; }

/* ============================================================
   ARCHIVE ENTRY PAGES
============================================================ */
.entry-hero { padding: 140px 52px 0; max-width: 1300px; margin: 0 auto; }
.entry-breadcrumb { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--dim2); display: flex; align-items: center; gap: 10px; margin-bottom: 28px; flex-wrap: wrap; }
.entry-breadcrumb a { color: var(--dim2); text-decoration: none; cursor: none; transition: color .2s; }
.entry-breadcrumb a:hover { color: var(--red); }
.entry-breadcrumb span { color: var(--red); opacity: .4; }
.entry-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.entry-tag { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .14em; text-transform: uppercase; border: 1px solid var(--border-md); color: var(--dim); padding: 5px 12px; }
.entry-tag.red { border-color: rgba(237,28,36,.35); color: var(--red); }
.entry-title { font-family: 'AISEO Cond', sans-serif; font-size: clamp(52px,8.5vw,120px); line-height: .88; letter-spacing: -.01em; margin-bottom: 18px; color: var(--white); }
.entry-title span { color: var(--red); }
.entry-subtitle { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-sm); letter-spacing: .18em; text-transform: uppercase; color: var(--dim2); margin-bottom: 28px; line-height: 1.6; }
.entry-lead {
  font-size: var(--text-lg); color: var(--body); line-height: var(--lh-loose);
  max-width: 740px; padding-bottom: 56px; border-bottom: 1px solid var(--border);
  font-weight: 400;
  /* Optical trick: slightly increase letter-spacing on large body copy for legibility */
  letter-spacing: .01em;
}
.entry-body { max-width: 1300px; margin: 0 auto; padding: 64px 52px 120px; }
.entry-img { width: 100%; max-height: 520px; overflow: hidden; margin: 32px 0 56px; border: 1px solid var(--border); position: relative; }
.entry-img img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; }
.entry-img-caption { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--dim2); padding: 10px 16px; background: var(--off-black); border-top: 1px solid var(--border); }
.snapshot-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); margin: 48px 0; }
.snapshot-cell { background: var(--off-black); padding: 32px 28px; }
.snapshot-label { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--red); opacity: .8; margin-bottom: 8px; display: block; }
.snapshot-title { font-family: 'AISEO Cond', sans-serif; font-size: var(--text-xl); letter-spacing: .04em; color: var(--white); margin-bottom: 10px; }
.snapshot-body { font-size: var(--text-md); color: var(--body); line-height: var(--lh-body); }
.entry-section { margin-bottom: 60px; padding-bottom: 60px; border-bottom: 1px solid var(--border); }
.entry-section:last-of-type { border-bottom: none; }
.entry-section-label { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .22em; text-transform: uppercase; color: var(--red); margin-bottom: 12px; }
.entry-section-title { font-family: 'AISEO Cond', sans-serif; font-size: clamp(1.8rem, 3vw, 2.4rem); letter-spacing: .04em; color: var(--white); margin-bottom: 24px; line-height: 1; }
.entry-section-body { font-size: var(--text-md); color: var(--body); line-height: var(--lh-loose); max-width: 720px; }
.entry-section-body p + p { margin-top: 1.1em; }
.entry-section-body strong { color: var(--white); font-weight: 600; }
.pull-quote { border-left: 3px solid var(--red); padding: 24px 32px; margin: 40px 0; background: var(--red-dim); }
.pull-quote p { font-family: 'AISEO Cond', sans-serif; font-size: clamp(1.4rem, 2.5vw, 2rem); line-height: 1.15; color: var(--white); letter-spacing: .02em; }
.back-link { font-family: 'AISEO Grotesk', 'Courier New', monospace; font-size: var(--text-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--dim); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; transition: color .25s; cursor: none; margin-top: 48px; }
.back-link:hover { color: var(--red); }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .caps-grid { grid-template-columns: 1fr 1fr; }
  .def-block { grid-template-columns: 1fr; gap: 40px; }
  .pillars-grid { grid-template-columns: 1fr 1fr; }
  .safeguard-grid { grid-template-columns: 1fr; }
  .snapshot-grid { grid-template-columns: 1fr 1fr; }
  .ost-cards { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  nav, nav.scrolled { padding-left: 20px; padding-right: 20px; }
  .nav-links { display: none; }
  .nav-cta { padding: 8px 14px; }
  .proof-section, .capsules-section, .aiseo-body, .ost-index, .entry-hero,
  .entry-body, .page-hero, .cta-section, footer, .ost-hero { padding-left: 20px; padding-right: 20px; }
  .proof-grid, .caps-grid, .pillars-grid, .snapshot-grid { grid-template-columns: 1fr; }
  .footer-top, .footer-cols { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .page-subnav { padding: 0 20px; }
}