/* ==========================================================================
   Access Mode Product Week — Cohort 4 · WNCP AI
   "Kinetic Editorial" landing page. Tokens trace to the WNCP AI design system
   (colors_and_type.css). PRD §3 names aliased to --wncp-* single source.
   ========================================================================== */

:root {
  /* ---- PRD §3.1 palette (aliased to WNCP tokens) ---- */
  --red:            var(--wncp-primary);        /* #BD1B04 */
  --red-dark:       var(--wncp-primary-dark);   /* #8A1303 */
  --ink:            var(--wncp-secondary);       /* #0A0A0A */
  --ink-2:          var(--wncp-neutral-dark);    /* #2D2D2D */
  --muted:          var(--wncp-neutral-mid);     /* #6B7280 */
  --border:         var(--wncp-neutral-light);   /* #E5E7EB */
  --surface:        var(--wncp-surface);         /* #F9F9F9 */
  --elevated:       var(--wncp-surface-white);   /* #FFFFFF */
  --inverse-bg:     var(--wncp-surface-dark);    /* #0A0A0A */
  --inverse-head:   #FFFFFF;
  --inverse-body:   var(--wncp-neutral-light);   /* #E5E7EB */
  --gradient-red:   var(--wncp-gradient-red);

  --font-display:   var(--wncp-font-display);
  --font-body:      var(--wncp-font-body);

  /* ---- web type scale (clamped, responsive) ---- */
  --fs-hero:    clamp(36px, 6vw, 56px);
  --fs-section: clamp(28px, 4.4vw, 40px);
  --fs-card:    18px;
  --fs-body-lg: clamp(16px, 1.4vw, 18px);
  --fs-body:    15px;
  --fs-kicker:  clamp(10px, 1.1vw, 12px);
  --fs-metric:  28px;

  /* ---- spacing scale (PRD §3.4) ---- */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
  --s5: 22px; --s6: 36px; --s7: 50px; --s8: 72px;

  --maxw: 1080px;
  --easing: cubic-bezier(0.2, 0.7, 0.1, 1);
}

/* ---- reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---- the page's signature 3px red top rule (fixed at y=0) ---- */
.top-rule {
  position: fixed; inset: 0 0 auto 0; height: 3px;
  background: var(--red); z-index: 200;
}

/* ---- a11y: skip-link (visually hidden until focused) ---- */
.skip-link {
  position: absolute; top: -100px; left: var(--s4);
  background: var(--ink); color: #fff;
  padding: 10px 16px; font-size: 13px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  text-decoration: none; border-radius: 2px;
  z-index: 300; transition: top 0.15s var(--easing);
}
.skip-link:focus { top: var(--s4); outline: 2px solid var(--red); outline-offset: 2px; }

/* ---- shared layout primitives ---- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--s7); }
.section { padding: var(--s8) 0; position: relative; }

/* kicker / label */
.kicker {
  font-family: var(--font-body);
  font-size: var(--fs-kicker);
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0;
}
.kicker--muted { color: var(--muted); }

/* section heading block: kicker -> title -> 64px red rule */
.heading { max-width: 640px; }
.heading__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-section);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
  margin: var(--s3) 0 0;
  text-wrap: balance;
}
.heading__rule { width: 64px; height: 3px; background: var(--red); margin-top: var(--s5); border: 0; }

/* faint ghost numeral, top-right of a section */
.ghost {
  position: absolute; top: var(--s6); right: var(--s7);
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(80px, 12vw, 150px); line-height: 1;
  color: var(--ink-2); opacity: 0.06; pointer-events: none;
  user-select: none; letter-spacing: -0.04em; z-index: 0;
}

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-family: var(--font-body); font-weight: 700;
  font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 14px 24px; border-radius: 2px; border: 1.5px solid transparent;
  text-decoration: none; cursor: pointer;
  min-height: 44px; transition: background .12s var(--easing), color .12s var(--easing), border-color .12s var(--easing);
}
.btn__arrow { font-weight: 400; letter-spacing: 0; transition: transform .15s var(--easing); }
.btn:hover .btn__arrow { transform: translateX(3px); }
.btn--primary { background: var(--red); color: #fff; }
.btn--primary:hover { background: var(--red-dark); }
.btn--outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--outline:hover { background: var(--ink); color: #fff; }

:where(a, button):focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

/* ==========================================================================
   Co-brand lockup (shared — hero, nav, footer)
   ========================================================================== */
.lockup { display: inline-flex; align-items: center; gap: var(--s4); text-decoration: none; }
.lockup__mark { height: 32px; width: auto; }
.lockup__mark--am { height: 30px; width: auto; }
.lockup__x { font-family: var(--font-display); font-weight: 400; font-size: 20px; color: var(--muted); line-height: 1; }
.lockup__name {
  font-family: var(--font-display); font-weight: 700; font-size: 20px;
  letter-spacing: -0.01em; color: var(--ink); line-height: 1;
}
.lockup--light .lockup__name { color: #fff; }
.lockup--light .lockup__x { color: var(--red); }
.lockup--light .lockup__mark { height: 30px; }

/* compact lockup for the sticky nav */
.lockup--sm .lockup__mark { height: 24px; }
.lockup--sm .lockup__mark--am { height: 24px; }
.lockup--sm .lockup__name { font-size: 14px; }
.lockup--sm .lockup__x { font-size: 14px; }

/* ---- sticky nav (appears after hero) ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 150;
  background: var(--surface); border-top: 3px solid var(--red);
  border-bottom: 1px solid var(--border);
  transform: translateY(-110%); transition: transform .32s var(--easing);
}
.nav.is-visible { transform: translateY(0); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--s4); padding: var(--s3) var(--s7); max-width: var(--maxw); margin: 0 auto; }
.nav__mark {
  font-family: var(--font-body); font-weight: 700; font-size: 12px;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink);
  white-space: nowrap;
}
.nav__mark .x { color: var(--red); padding: 0 2px; }
.nav .btn { padding: 10px 18px; font-size: 11px; }

/* ==========================================================================
   §1 — Hero — two-column editorial, less title-slide
   ========================================================================== */
.hero {
  background: var(--inverse-bg); color: var(--inverse-body);
  position: relative; overflow: hidden;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column;
}
.hero::after { /* signature gradient accent rule along the bottom edge */
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px;
  background: var(--gradient-red); z-index: 4;
}
/* diagonal red accent shard, right side — graphic interest on the dark bookend */
.hero__accent {
  position: absolute; top: 0; right: 0; width: 38%; height: 100%;
  background: var(--gradient-red);
  clip-path: polygon(58% 0, 100% 0, 100% 100%, 26% 100%);
  opacity: 0.17; z-index: 0; pointer-events: none;
}
.hero__inner {
  position: relative; z-index: 2; flex: 1;
  display: flex; flex-direction: column;
  padding: clamp(26px, 3.4vw, 40px) 0 clamp(24px, 3vw, 36px);
}

/* masthead row, folded into the hero */
.hero__masthead { display: flex; align-items: center; justify-content: space-between; gap: var(--s4); flex-wrap: wrap; }
.hero__masthead-meta { margin: 0; font-size: 11px; font-weight: 700; letter-spacing: 0.26em; text-transform: uppercase; color: var(--muted); }
.hero__rule { border: 0; border-top: 1px solid rgba(229, 231, 235, 0.14); margin: clamp(20px, 3vw, 30px) 0 clamp(28px, 3.4vw, 40px); }

/* editorial grid: text left, image card right */
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  flex: 1;
}
.hero__body { display: flex; flex-direction: column; justify-content: center; max-width: 100%; }
.hero__kicker { color: var(--red); }
.hero__h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(40px, 6.4vw, 76px); letter-spacing: -0.03em; line-height: 0.98;
  color: var(--inverse-head); margin: var(--s5) 0 0; text-wrap: balance;
}
.hero__h1-line { display: block; }
.hero__h1-line--2 { color: var(--inverse-head); }
.hero__sub {
  font-family: var(--font-body); font-size: clamp(15px, 1.4vw, 18px); line-height: 1.6;
  color: var(--inverse-body); margin: clamp(22px, 2.6vw, 32px) 0 0; max-width: 58ch;
}
.hero__by { color: var(--inverse-head); text-decoration: none; border-bottom: 1px solid rgba(229, 231, 235, .35); padding-bottom: 1px; transition: border-color .12s, color .12s; }
.hero__by:hover { color: #fff; border-color: var(--red); }

.hero__actions { display: flex; align-items: center; gap: clamp(20px, 3vw, 36px); flex-wrap: wrap; margin-top: clamp(28px, 4vw, 44px); }
.hero__logistics { display: flex; align-items: center; gap: var(--s3); font-size: 14px; letter-spacing: 0.01em; color: var(--muted); margin: 0; }
.hero__logistics .pin { width: 18px; height: 18px; color: var(--red); flex: none; }

/* image card (right column) */
.hero__media { margin: 0; position: relative; }
.hero__media-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(229, 231, 235, 0.18);
  overflow: hidden;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.55);
}
.hero__media-frame::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,0.55) 100%);
  z-index: 1; pointer-events: none;
}
.hero__media-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero__media-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: clamp(20px, 2.4vw, 28px);
  background:
    radial-gradient(120% 80% at 50% 30%, rgba(189,27,4,0.18), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.025) 0 2px, transparent 2px 14px);
  color: rgba(255, 255, 255, 0.6);
}
.hero__media-tag {
  font-family: var(--font-body); font-weight: 700;
  font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--red);
}
.hero__media-label {
  font-size: 13px; line-height: 1.5;
  align-self: end;
}
.hero__media-label code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  background: rgba(255,255,255,0.08);
  padding: 2px 6px;
  border-radius: 2px;
}
.hero__media-cap {
  margin-top: var(--s4);
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 38ch;
  margin-left: auto;
  text-align: left;
}
.hero__media-cap-key {
  display: block;
  font-family: var(--font-body); font-weight: 700;
  font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--red);
  margin-bottom: 6px;
}

/* kinetic CRAFT+ phase strip */
.hero__phases {
  display: flex; align-items: center; gap: clamp(20px, 3vw, 36px);
  flex-wrap: wrap;
  padding-top: clamp(20px, 3vw, 28px);
  margin-top: clamp(28px, 4vw, 40px);
  border-top: 1px solid rgba(229, 231, 235, 0.14);
}
.phase-label { font-size: 11px; font-weight: 700; letter-spacing: 0.26em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.phase-track { list-style: none; display: flex; align-items: center; flex-wrap: wrap; gap: 0; margin: 0; padding: 0; }
.phase-track li {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-display); font-weight: 700; font-size: clamp(13px, 1.4vw, 16px);
  color: #fff; letter-spacing: 0.01em;
}
.phase-track li + li::before { content: "\2192"; color: var(--red); font-weight: 400; margin: 0 clamp(8px, 1.4vw, 14px); }
.phase-letter { color: var(--red); font-size: 1.15em; }
.phase-words { display: inline-flex; align-items: center; gap: 4px; }
.phase-amp { color: var(--red); font-weight: 400; opacity: 0.7; }
.phase-plus .phase-letter { font-size: 1.3em; }

/* ==========================================================================
   §2 — What is Access Mode (program framing)
   ========================================================================== */
.am-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: var(--s8); align-items: start; }
.am-intro p { font-size: var(--fs-body-lg); line-height: 1.66; color: var(--ink-2); margin: 0 0 var(--s4); }
.am-intro p:last-child { margin-bottom: 0; }
.am-intro strong { color: var(--ink); }
.am-facts { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--s5); }
.am-facts li {
  display: grid; grid-template-columns: 120px 1fr; column-gap: var(--s5);
  border-top: 1px solid var(--border);
  padding-top: var(--s4);
}
.am-facts li:first-child { border-top: 0; padding-top: 0; }
.am-facts__k {
  font-family: var(--font-body); font-weight: 700;
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted);
}
.am-facts__v { font-size: var(--fs-body); color: var(--ink-2); line-height: 1.6; }
.am-facts__v a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--border); padding-bottom: 1px; }
.am-facts__v a:hover { color: var(--red); border-color: var(--red); }

/* ==========================================================================
   §3 — What Product Week is
   ========================================================================== */
.about-pw .heading { margin-bottom: var(--s6); }
.pw-grid { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: var(--s8); align-items: start; }
.pw-intro { font-size: var(--fs-body-lg); color: var(--ink-2); line-height: 1.66; }
.pw-leadin { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-card); color: var(--ink); margin: 0 0 var(--s5); letter-spacing: -0.01em; }

/* numbered "three parts" list (no boxes) */
.parts { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--s6); }
.part { display: grid; grid-template-columns: auto 1fr; column-gap: var(--s5); }
.part__index { display: flex; flex-direction: column; align-items: center; gap: var(--s2); }
.part__num { font-family: var(--font-display); font-weight: 700; font-size: 18px; color: var(--red); line-height: 1; }
.part__tick { width: 2px; height: 28px; background: var(--red); }
.part__lead { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-card); color: var(--ink); letter-spacing: -0.01em; margin: 0 0 var(--s2); line-height: 1.25; }
.part__body { font-size: var(--fs-body); color: var(--muted); line-height: 1.6; margin: 0; }
.craft { color: var(--red); font-weight: 700; font-variant: small-caps; letter-spacing: 0.02em; }

/* ==========================================================================
   §4 — What you leave with (3 cards)
   ========================================================================== */
.leave .heading { margin-bottom: var(--s6); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s5); }
.card {
  background: var(--elevated); border: 1px solid var(--border);
  border-top: 4px solid var(--red); border-radius: 0;
  padding: var(--s5); display: flex; flex-direction: column; gap: var(--s4);
  min-height: 100%;
}
.card__icon { width: 30px; height: 30px; color: var(--red); }
.card__title { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-card); color: var(--ink); letter-spacing: -0.01em; margin: 0; line-height: 1.2; }
.card__body { font-size: var(--fs-body); color: var(--muted); line-height: 1.6; margin: 0; }

/* ==========================================================================
   §5 — Founder access (primary CTA)
   ========================================================================== */
.cta { text-align: center; border-top: 1px solid var(--border); }
.cta__title {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(22px, 2.6vw, 28px);
  color: var(--ink); letter-spacing: -0.02em; margin: 0 0 var(--s3);
}
.cta__title::after { content: ""; display: block; width: 64px; height: 3px; background: var(--red); margin: var(--s5) auto 0; }
.cta__sub {
  font-size: var(--fs-body); color: var(--muted); margin: 0 auto var(--s5);
  max-width: 56ch;
}
.cta__meta {
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted);
  margin: var(--s5) 0 0;
}
.cta__meta a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--border); padding-bottom: 1px; }
.cta__meta a:hover { color: var(--red); border-color: var(--red); }
.btn--lg { font-size: 14px; padding: 18px 32px; margin-top: var(--s2); }

/* ==========================================================================
   §6 — About WNCP AI
   ========================================================================== */
.about .about-grid { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: var(--s8); align-items: start; }
.about__body { font-size: var(--fs-body-lg); color: var(--ink-2); line-height: 1.66; margin: 0 0 var(--s6); }
.about__body strong { color: var(--ink); }
.about__body a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--border); padding-bottom: 1px; }
.about__body a:hover { color: var(--red); border-color: var(--red); }

/* ==========================================================================
   §7 — Footer
   ========================================================================== */
.footer { border-top: 1px solid var(--border); background: var(--surface); padding: var(--s8) 0 var(--s7); text-align: center; }
.footer .lockup { margin-bottom: var(--s5); }
.footer__tag { font-family: var(--font-body); font-style: italic; color: var(--muted); font-size: 15px; margin: 0 0 var(--s5); }
.footer__links { display: flex; flex-wrap: wrap; gap: var(--s4); justify-content: center; align-items: center; margin: 0 0 var(--s5); list-style: none; padding: 0; }
.footer__links a { font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); text-decoration: none; transition: color .12s; }
.footer__links a:hover { color: var(--red); }
.footer__links .sep { color: var(--border); font-size: 12px; }
.footer__copy { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); margin: 0; }

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
/* Resting state is always fully visible — no JS/animation gating, so the page
   renders identically on slow loads, print, and export. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .btn__arrow, .nav { transition: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1023px) {
  .section { padding: var(--s8) 0; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { order: -1; max-width: 480px; }
  .am-grid, .pw-grid, .about .about-grid { grid-template-columns: 1fr; gap: var(--s6); }
  .ghost { font-size: clamp(80px, 16vw, 130px); }
}
@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  :root { --s7: 22px; --s8: 48px; }
  .container { padding: 0 var(--s7); }
  .nav__mark { font-size: 10px; letter-spacing: 0.14em; }
  .nav__inner { padding: var(--s3) var(--s7); }
  .nav__inner .lockup--sm { gap: var(--s3); }
  .nav__inner .lockup--sm .lockup__name { display: none; }
  .hero { min-height: auto; }
  .hero__inner { padding: clamp(28px, 7vw, 40px) 0 36px; }
  .hero__masthead-meta { display: none; }
  .hero__accent { width: 58%; opacity: 0.13; }
  .hero__actions { gap: var(--s5); }
  .hero .btn--lg { width: 100%; justify-content: center; }
  .ghost { display: none; }
  .lockup__name, .lockup__x { font-size: 17px; }
  .lockup__mark { height: 28px; }
  .am-facts li { grid-template-columns: 1fr; row-gap: 4px; }
  .cta .btn { width: 100%; justify-content: center; }
}