/* =========================================================
   GN SCALES — HOME
   Hero + shader, order-of-operations, bento capabilities,
   process rail, break-even calculator, founders, comparison.
   ========================================================= */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  min-height: clamp(600px, 86svh, 920px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(4rem, 9vw, 7rem) clamp(6rem, 8vw, 7rem);
  /*
   * This layered gradient is the real fallback, not a placeholder: the
   * shader canvas above only fades in once it has actually painted a
   * frame, so a WebGL failure degrades to this and nothing flashes.
   */
  background:
    radial-gradient(60% 70% at 8% 12%, rgba(210, 173, 92, 0.26), transparent 62%),
    radial-gradient(55% 65% at 92% 46%, rgba(103, 133, 196, 0.2), transparent 66%),
    radial-gradient(50% 55% at 58% 106%, rgba(210, 173, 92, 0.14), transparent 68%),
    var(--navy-950);
}

.hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; transition: opacity 900ms ease;
}
.hero-canvas.is-live { opacity: 1; }

.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(0, 5, 15, 0.45) 0%, transparent 26%, rgba(0, 8, 26, 0.5) 76%, var(--navy-900) 100%);
}

.hero .grain { z-index: 1; }
.hero-inner { position: relative; z-index: 2; }

/* .hero-flag and .pulse live in style.css — contact.html uses them too. */
.hero-inner .hero-flag { margin-bottom: clamp(1.5rem, 3vw, 2.1rem); }

.hero h1 { max-width: 15ch; }
.hero-sub { max-width: 44ch; margin-block: clamp(1.75rem, 3vw, 2.5rem); font-size: clamp(1.05rem, 1.35vw, 1.1875rem); color: rgba(237, 230, 211, 0.74); }

.hero-rail {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  border-top: 1px solid var(--line);
}
.hero-rail-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 76px; padding-block: 1rem;
}
.hero-facts { display: flex; flex-wrap: wrap; gap: 1.25rem 2.75rem; }
.hero-facts li {
  display: flex; align-items: center; gap: 0.65rem;
  font-family: var(--font-mono); font-size: 0.6875rem;
  letter-spacing: 0.1em; color: var(--ink-2);
}
.hero-facts svg { width: 14px; height: 14px; color: var(--gold-500); flex-shrink: 0; }

.hero-scroll {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-mono); font-size: 0.625rem;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--ink-4);
}
.hero-scroll svg { width: 11px; height: 24px; animation: nudge 2.4s ease-in-out infinite; }
@keyframes nudge { 0%, 100% { transform: translateY(-2px); } 50% { transform: translateY(3px); } }

/* ---------- The gap ---------- */
.gap-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 34rem);
  gap: clamp(2.5rem, 6vw, 6rem); align-items: start;
}
.gap-copy { display: flex; flex-direction: column; gap: 1.6rem; align-items: flex-start; }
.gap-copy h2 { max-width: 16ch; }
.gap-copy p { color: var(--ink-2); font-size: clamp(1rem, 1.2vw, 1.125rem); max-width: 52ch; }

.order-compare { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.9rem; }
.order-label {
  font-family: var(--font-mono); font-size: 0.625rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-4);
  margin-bottom: 0.9rem;
}
.order-label.is-gold { color: var(--gold-500); }

.order-list { display: flex; flex-direction: column; padding: 1.6rem 1.5rem; height: calc(100% - 2rem); }
.order-list.is-muted { background: var(--navy-800); border: 1px solid var(--line); }
.order-list.is-live {
  background: linear-gradient(180deg, rgba(210, 173, 92, 0.07), transparent);
  border: 1px solid var(--line-gold); border-top: 2px solid var(--gold-500);
}
.order-list li {
  display: flex; align-items: flex-start; gap: 0.8rem;
  font-size: 0.9rem; line-height: 1.45; color: var(--ink-2);
  padding-block: 0.5rem;
}
.order-list li span {
  font-family: var(--font-mono); font-size: 0.625rem; color: var(--ink-4);
  flex-shrink: 0; padding-top: 0.2em;
}
.order-list li + li { border-top: 1px solid var(--line); }
.order-list.is-muted li { opacity: 0.55; }
.order-list.is-live li { color: var(--ink); }
.order-list.is-live li span { color: var(--gold-500); }
.order-list li.is-dead { background: rgba(237, 230, 211, 0.04); margin-inline: -0.75rem; padding-inline: 0.75rem; }
.order-list li.is-hot { background: rgba(210, 173, 92, 0.1); margin-inline: -0.75rem; padding-inline: 0.75rem; }

/* ---------- Bento ---------- */
.bento { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.bento-lg { grid-column: span 2; }
.bento-wide { grid-column: span 2; }
.bento-full { grid-column: 1 / -1; }

.bento .card { display: flex; flex-direction: column; gap: 0.85rem; }
.bento .card .icon { margin-bottom: 0.4rem; }

.funnel { display: flex; flex-direction: column; gap: 0.35rem; margin-top: auto; padding-top: 1.1rem; }
.funnel-row { display: flex; align-items: center; gap: 0.8rem; }
.funnel-bar {
  height: 15px; width: var(--w, 100%);
  background: linear-gradient(90deg, var(--c), transparent);
  transition: width var(--t-reveal);
}
.funnel-key {
  font-family: var(--font-mono); font-size: 0.5625rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3);
  width: 62px; flex-shrink: 0;
}

.serp { display: flex; flex-direction: column; gap: 0.45rem; margin-top: auto; padding-top: 1.1rem; }
.serp-row { display: flex; align-items: center; gap: 0.65rem; padding: 0.55rem 0.75rem; }
.serp-row.is-ad { border: 1px solid rgba(210, 173, 92, 0.3); background: rgba(210, 173, 92, 0.05); }
.serp-tag {
  font-family: var(--font-mono); font-size: 0.5rem; letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--gold-500); color: var(--navy-900); padding: 0.15rem 0.4rem;
}
.serp-line { height: 6px; width: var(--w); background: rgba(237, 230, 211, 0.42); }
.serp-line.is-dim { background: rgba(237, 230, 211, 0.16); }
.serp-line.is-faint { background: rgba(237, 230, 211, 0.08); }

.bento-wide { flex-direction: row !important; align-items: center; gap: 1.75rem !important; }
.bento-wide-copy { display: flex; flex-direction: column; gap: 0.85rem; flex: 1 1 auto; }
.mini-page {
  width: 190px; flex-shrink: 0; display: flex; flex-direction: column; gap: 0.5rem;
  padding: 0.75rem; background: var(--navy-800); border: 1px solid rgba(210, 173, 92, 0.25);
}
.mini-dots { display: flex; gap: 4px; }
.mini-dots span { width: 5px; height: 5px; border-radius: 50%; background: rgba(237, 230, 211, 0.16); }
.mini-dots span:first-child { background: rgba(210, 173, 92, 0.5); }
.mini-title { height: 9px; width: 78%; background: var(--gold-500); }
.mini-line { height: 5px; background: rgba(237, 230, 211, 0.14); }
.mini-line.is-short { width: 84%; }
.mini-cta { height: 22px; width: 58%; background: rgba(210, 173, 92, 0.22); border: 1px solid rgba(210, 173, 92, 0.45); }
.mini-grid { display: flex; gap: 6px; }
.mini-grid span { height: 32px; flex: 1; background: rgba(237, 230, 211, 0.06); }

.bento-full { flex-direction: row !important; align-items: center; justify-content: space-between; gap: 2rem !important; }
.retainer { display: flex; align-items: flex-start; gap: 1.4rem; }
.retainer .icon { width: 30px; height: 30px; margin-top: 0.2rem; }
.retainer h3 { margin-bottom: 0.45rem; }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 2.2rem); position: relative; }
.process::before {
  content: ''; position: absolute; left: 0; right: 0; top: 21px; height: 1px;
  background: linear-gradient(90deg, var(--gold-500) 0%, rgba(210, 173, 92, 0.55) 42%, var(--line-2) 100%);
}
.process > li { display: flex; flex-direction: column; align-items: flex-start; gap: 0.7rem; position: relative; }
.process-num {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-display); font-size: 1.25rem; line-height: 1;
  background: var(--navy-900); border: 1px solid var(--line-2); color: var(--ink-3);
  margin-bottom: 0.9rem;
}
.process-num.is-on {
  background: var(--gold-500); border-color: var(--gold-500); color: var(--navy-900);
  box-shadow: 0 0 0 7px rgba(210, 173, 92, 0.12);
}
.process-num.is-off { opacity: 0.75; }
.process > li > h3 { margin-bottom: 0.15rem; }
.process-when {
  font-family: var(--font-mono); font-size: 0.625rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-3);
}
.process > li > p:last-child { color: var(--ink-2); font-size: 0.94rem; line-height: 1.62; }

/* ---------- Break-even model ---------- */
.maths-grid {
  display: grid; grid-template-columns: minmax(0, 26rem) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 5rem); align-items: start;
}
.maths-copy { display: flex; flex-direction: column; gap: 1.4rem; }
.maths-copy p { color: var(--ink-2); }

.calc {
  background: var(--navy-900); border: 1px solid var(--line-gold);
  border-top: 2px solid var(--gold-500);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex; flex-direction: column; gap: clamp(1.5rem, 2.6vw, 2rem);
}

.calc-tier { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; }
.calc-tier-label {
  font-family: var(--font-mono); font-size: 0.625rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3);
}
.calc-tier-btns { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tier-btn {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 0.7rem 1.25rem; border: 1px solid var(--line-2); color: var(--ink-2);
  transition: color var(--t-micro), border-color var(--t-micro), background-color var(--t-micro);
}
.tier-btn:hover { color: var(--gold-500); border-color: rgba(210, 173, 92, 0.5); }
.tier-btn.is-active { color: var(--gold-500); border-color: var(--gold-500); background: rgba(210, 173, 92, 0.14); }

.calc-inputs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 2.6vw, 2.25rem); }
.calc-field { display: flex; flex-direction: column; gap: 0.5rem; }
.calc-field label {
  font-family: var(--font-mono); font-size: 0.625rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3);
}
.calc-value { font-family: var(--font-display); font-size: clamp(1.75rem, 2.6vw, 2.375rem); line-height: 1; color: var(--ink); }
.calc-scale { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.5625rem; color: var(--ink-4); }

.calc input[type='range'] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 24px; margin: 0.35rem 0 0; background: transparent; cursor: pointer;
}
.calc input[type='range']::-webkit-slider-runnable-track {
  height: 3px;
  background: linear-gradient(90deg, var(--gold-500) 0 var(--fill, 50%), rgba(237, 230, 211, 0.12) var(--fill, 50%) 100%);
}
.calc input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border: none; border-radius: 50%; background: var(--gold-500);
  margin-top: -7.5px; box-shadow: 0 0 0 5px rgba(210, 173, 92, 0.18);
}
.calc input[type='range']::-moz-range-track { height: 3px; background: rgba(237, 230, 211, 0.12); }
.calc input[type='range']::-moz-range-progress { height: 3px; background: var(--gold-500); }
.calc input[type='range']::-moz-range-thumb {
  width: 18px; height: 18px; border: none; border-radius: 50%;
  background: var(--gold-500); box-shadow: 0 0 0 5px rgba(210, 173, 92, 0.18);
}
.calc input[type='range']:focus-visible { outline-offset: 6px; }

.calc-rule { border: 0; border-top: 1px solid var(--line); margin: 0; }

.calc-outputs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1.25rem, 2.4vw, 2rem); }
.stat { display: flex; flex-direction: column; gap: 0.45rem; }
.stat-label {
  font-family: var(--font-mono); font-size: 0.625rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3);
}
.stat-value { font-family: var(--font-display); font-size: clamp(2rem, 3.4vw, 2.875rem); line-height: 1; color: var(--ink); }
.stat-note { font-family: var(--font-mono); font-size: 0.625rem; line-height: 1.6; color: var(--ink-4); }

.calc-funnel { display: flex; flex-direction: column; gap: 0.45rem; }
.funnel-bar.is-lg {
  height: 30px; display: flex; align-items: center; padding-left: 0.9rem;
  min-width: 96px;
}
.funnel-bar.is-lg em {
  font-family: var(--font-mono); font-style: normal; font-size: 0.65rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--navy-900); white-space: nowrap;
}

.calc-verdict {
  display: flex; align-items: flex-start; gap: 0.85rem; max-width: none;
  background: rgba(210, 173, 92, 0.07); border: 1px solid rgba(210, 173, 92, 0.18);
  padding: 0.95rem 1.15rem; font-size: 0.9rem; line-height: 1.55; color: var(--ink-2);
}
.calc-verdict svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--gold-500); margin-top: 0.15rem; }

/* ---------- Founders ---------- */
.founders { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.founder { display: flex; flex-direction: row; gap: 1.75rem; align-items: flex-start; }
.portrait {
  position: relative; width: 148px; height: 190px; flex-shrink: 0;
  display: grid; place-items: center;
  background: linear-gradient(160deg, rgba(210, 173, 92, 0.18), rgba(210, 173, 92, 0.03));
  border: 1px solid rgba(210, 173, 92, 0.28);
}
.portrait span { font-family: var(--font-display); font-size: 2.75rem; color: rgba(210, 173, 92, 0.55); }
.portrait em {
  position: absolute; bottom: 0.6rem; left: 0; right: 0; text-align: center;
  font-family: var(--font-mono); font-style: normal; font-size: 0.5rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-4);
}
.founder-copy { display: flex; flex-direction: column; gap: 0.7rem; }
.founder-role {
  font-family: var(--font-mono); font-size: 0.625rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-500);
  margin-top: -0.35rem;
}

/* ---------- Before / after ---------- */
.compare {
  --split: 50%;
  position: relative; overflow: hidden;
  aspect-ratio: 16 / 6.5; min-height: 360px;
  border: 1px solid var(--line); background: var(--navy-900);
  /* pan-y, not none: horizontal drags reveal the panel, vertical ones
     still scroll the page past it on touch. */
  touch-action: pan-y; user-select: none;
}
.compare-after, .compare-before {
  position: absolute; inset: 0;
  padding: clamp(1.5rem, 3vw, 2.75rem);
  display: flex; flex-direction: column; justify-content: space-between;
}
.compare-after { background: linear-gradient(150deg, rgba(210, 173, 92, 0.14), transparent 58%), var(--navy-900); }
.compare-before {
  background: #0b0b0b;
  /* Clipping the full-size panel keeps its type from reflowing as the
     handle moves — a width-based reveal re-wraps every line. */
  clip-path: inset(0 calc(100% - var(--split)) 0 0);
}

.compare-tag {
  align-self: flex-start;
  font-family: var(--font-mono); font-size: 0.625rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55); border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 0.25rem 0.65rem;
}
.compare-after .compare-tag { align-self: flex-end; }
.compare-tag.is-gold { background: var(--gold-500); color: var(--navy-900); border-color: var(--gold-500); }

.compare-body { display: flex; flex-direction: column; gap: 1rem; }
.compare-after .compare-body { align-items: flex-end; text-align: right; }

.compare-kicker {
  font-family: var(--font-mono); font-size: 0.625rem;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold-500);
}
.compare-head { font-family: var(--font-display); font-size: clamp(1.75rem, 3.4vw, 2.875rem); line-height: 0.98; letter-spacing: -0.02em; color: var(--ink); }
.compare-actions { display: flex; align-items: center; gap: 0.9rem; flex-wrap: wrap; }
.compare-btn {
  background: var(--gold-500); color: var(--navy-900);
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.75rem 1.35rem;
}
.compare-meta { font-family: var(--font-mono); font-size: 0.6875rem; color: var(--ink-3); }

.compare-head-bad {
  font-family: var(--font-ui); font-weight: 700;
  font-size: clamp(1.35rem, 2.6vw, 2.25rem); line-height: 1.14;
  text-transform: uppercase; color: #fff;
}
.compare-sub-bad { font-size: 0.9rem; line-height: 1.5; color: rgba(255, 255, 255, 0.6); max-width: 46ch; }
.compare-btn-bad {
  color: #fff; font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
  padding: 0.8rem 1.4rem;
}
.compare-btn-bad.is-red { background: #e23b3b; }
.compare-btn-bad.is-green { background: #2e7d32; }

.compare-line {
  position: absolute; top: 0; bottom: 0; left: var(--split); width: 2px;
  background: var(--gold-500); transform: translateX(-1px);
  box-shadow: 0 0 26px rgba(210, 173, 92, 0.55); pointer-events: none;
}
.compare-handle {
  position: absolute; left: var(--split); top: 50%; transform: translate(-50%, -50%);
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--gold-500); color: var(--navy-900);
  display: grid; place-items: center; pointer-events: none;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.55);
}
.compare-handle svg { width: 22px; height: 22px; }

/* Keyboard route to the same control: invisible until focused, so mouse
   users get the drag affordance and keyboard users get a real slider. */
.compare-range {
  position: absolute; left: 50%; bottom: 1rem; transform: translateX(-50%);
  width: min(420px, 80%); opacity: 0; pointer-events: none;
  transition: opacity var(--t-micro);
}
.compare-range:focus-visible { opacity: 1; pointer-events: auto; }

.compare-note { margin-top: 1.35rem; font-size: 0.85rem; color: var(--ink-3); }

/* ---------- FAQ layout ---------- */
.faq-grid {
  display: grid; grid-template-columns: minmax(0, 24rem) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5.5rem); align-items: start;
}
.faq-grid h2 { margin-top: 1.4rem; max-width: 14ch; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bento-lg, .bento-wide, .bento-full { grid-column: span 2; }
  .calc-outputs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 2.75rem; }
  .process::before { display: none; }
}

@media (max-width: 900px) {
  .gap-grid, .maths-grid, .faq-grid { grid-template-columns: 1fr; }
  .faq-grid h2 { margin-top: 0.75rem; }
  .maths-copy { max-width: 60ch; }
  /* Taller frame so both panels stay readable once the columns stack. */
  .compare { aspect-ratio: 4 / 3.2; min-height: 420px; }
  .compare-after .compare-body { align-items: flex-start; text-align: left; }
  .compare-after .compare-tag { align-self: flex-start; }
}

@media (max-width: 700px) {
  .bento { grid-template-columns: 1fr; }
  .bento-lg, .bento-wide, .bento-full { grid-column: span 1; }
  .bento-wide, .bento-full { flex-direction: column !important; align-items: flex-start; }
  .mini-page { width: 100%; }
  .calc-inputs, .calc-outputs { grid-template-columns: 1fr; }
  .founders { grid-template-columns: 1fr; }
  .order-compare { grid-template-columns: 1fr; }
  .hero-rail-inner { justify-content: flex-start; }
  .hero-scroll { display: none; }
  .hero-facts { gap: 0.6rem 1.5rem; }
}

@media (max-width: 560px) {
  .founder { flex-direction: column; }
  .portrait { width: 100%; height: 220px; }
  .process { grid-template-columns: 1fr; }
}