/* ==========================================================================
   Apiro — page sections: hero & quiz, problem, why, signals, console,
   integrate, principles, tiers, access, CTA band, subpage hero
   ========================================================================== */

/* ---------- Ambient background (hero + subpage heroes) ---------- */
.ambient { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.ambient::before, .ambient::after {
  content: ""; position: absolute; border-radius: 999px; filter: blur(70px);
}
.ambient::before {
  width: 640px; height: 220px; top: -80px; right: -140px;
  background: linear-gradient(90deg, #00d8ff, #1f6bff);
  opacity: 0.28; transform: rotate(-24deg);
}
.ambient::after {
  width: 560px; height: 190px; top: 260px; right: -40px;
  background: linear-gradient(90deg, #6a1ef2, #f04fe0);
  opacity: 0.2; transform: rotate(16deg);
}
.ambient-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 30% 0%, #000 20%, transparent 70%);
  mask-image: radial-gradient(ellipse 80% 70% at 30% 0%, #000 20%, transparent 70%);
  opacity: 0.6;
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(36px, 6vw, 76px) clamp(64px, 8vw, 104px); }
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: clamp(32px, 5vw, 64px); align-items: start;
}
.hero-copy { padding-top: clamp(8px, 3.5vw, 52px); }
.hero-chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 4px 14px 4px 4px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--ink-2); font-size: 0.85rem; font-weight: 500; text-decoration: none;
  box-shadow: var(--shadow-sm);
}
.hero-chip:hover { color: var(--ink); border-color: var(--border-strong); }
.hero-chip .badge { background: var(--grad-button); color: #fff; border: 0; }
.hero h1 { margin-top: 22px; }
.hero .lead { margin-top: 20px; max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 28px; padding: 0; list-style: none; color: var(--ink-3); font-size: 0.9rem; }
.hero-points li { display: inline-flex; align-items: center; gap: 8px; }
.hero-points li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--grad-brand); }
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero .lead { max-width: 42rem; }
}

/* ---------- Token quiz ---------- */
.quiz {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px);
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}
.quiz::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: var(--grad-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0.5; pointer-events: none;
}
.quiz-title { margin-top: 10px; font-size: clamp(1.15rem, 2vw, 1.4rem); letter-spacing: -0.02em; }
.quiz-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; }

.token {
  position: relative; min-width: 0;
  display: flex; flex-direction: column;
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
}
.token-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 28px; }
.token-label { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; letter-spacing: -0.01em; }
.token-name { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-3); white-space: nowrap; }
.token-name .real { display: none; color: var(--ink); font-weight: 600; }
.quiz.is-revealed .token-name .mask { display: none; }
.quiz.is-revealed .token-name .real { display: inline; }
.token-tag {
  position: absolute; top: -10px; left: 12px;
  font-family: var(--font-mono); font-size: 0.66rem; font-weight: 600; white-space: nowrap;
  padding: 2px 8px; border-radius: 999px; background: var(--ink); color: var(--bg);
}
.token-rows { margin-top: 8px; }
.token-row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 10px 0; border-top: 1px dashed var(--border); }
.token-row dt { font-size: 0.82rem; color: var(--ink-3); }
.token-row dd { margin: 0; font-family: var(--font-mono); font-size: clamp(0.95rem, 1.5vw, 1.08rem); font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.up { color: var(--ok); }
.down { color: var(--crit); }
.token-row.reveal-row {
  margin-inline: -14px; padding-inline: 14px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--violet) 8%, transparent), transparent 85%);
}
.token-row.reveal-row dt { color: var(--ink-2); font-weight: 600; }
.token-pick { width: 100%; margin-top: 14px; }
.token-foot {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px;
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border);
  font-size: 0.84rem; color: var(--ink-2);
}
.js .quiz:not(.is-revealed) .reveal-row,
.js .quiz:not(.is-revealed) .token-foot { display: none; }
.quiz.is-revealed .token-pick { display: none; }
.quiz.is-revealed .reveal-row,
.quiz.is-revealed .token-foot { animation: row-in 0.55s cubic-bezier(0.2, 0.8, 0.2, 1) both; animation-delay: calc(var(--i, 0) * 110ms); }
.quiz.is-revealed .token--trap { border-color: color-mix(in srgb, var(--crit-solid) 50%, var(--border)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--crit-solid) 10%, transparent); }
@keyframes row-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.quiz-result { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); }
.quiz-result h3 { font-size: 1.12rem; }
.quiz-result > p { margin-top: 6px; color: var(--ink-2); font-size: 0.95rem; }
.quiz-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 16px; padding: 0; list-style: none; }
.quiz-facts li { padding: 12px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--border); }
.quiz-facts b {
  display: block; font-family: var(--font-display); font-size: 1.55rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.2;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.quiz-facts span { display: block; margin-top: 2px; font-size: 0.8rem; line-height: 1.4; color: var(--ink-3); }
.quiz-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-top: 16px; }
.quiz-skip {
  margin-top: 14px; padding: 0; border: 0; background: none;
  color: var(--ink-3); font-size: 0.85rem; text-decoration: underline; text-underline-offset: 3px;
}
.quiz-skip:hover { color: var(--ink); }
.quiz-note { margin-top: 14px; font-size: 0.78rem; color: var(--ink-3); }

@media (max-width: 560px) {
  .quiz-cards { gap: 8px; }
  .token { padding: 12px 10px; }
  .token-head { flex-wrap: wrap; }
  .token-row { flex-direction: column; align-items: flex-start; gap: 2px; padding: 8px 0; }
  .token-row.reveal-row { margin-inline: -10px; padding-inline: 10px; }
  .token-pick { padding: 0 8px; font-size: 0.84rem; }
  .quiz-facts { grid-template-columns: 1fr; }
}

/* ---------- Problem: the arithmetic ---------- */
.math { display: grid; gap: 14px; }
.math-row {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 16px 32px; align-items: center;
  padding: clamp(18px, 2.5vw, 26px);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}
.math-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 8px; }
.math-eq { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; font-family: var(--font-mono); font-size: clamp(0.98rem, 1.8vw, 1.25rem); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.math-eq .op { color: var(--ink-3); }
.math-eq .res {
  font-family: var(--font-display); font-size: clamp(1.9rem, 4vw, 2.7rem); font-weight: 700; letter-spacing: -0.035em;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.math-row p { color: var(--ink-2); }
.pullquote {
  margin-top: clamp(28px, 4vw, 44px);
  padding-left: 20px;
  border-left: 3px solid var(--violet);
  font-family: var(--font-display); font-size: clamp(1.15rem, 2.3vw, 1.5rem); font-weight: 600; line-height: 1.4; letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 44rem;
}
@media (max-width: 760px) { .math-row { grid-template-columns: 1fr; } }

/* ---------- Why: structural vs directional ---------- */
.why-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.contrast { display: grid; gap: 12px; margin-top: 28px; }
.contrast-item {
  display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 14px;
  padding: 18px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface);
}
.contrast-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; }
.contrast-icon svg { width: 20px; height: 20px; }
.contrast-item--decay .contrast-icon { background: var(--crit-bg); color: var(--crit); }
.contrast-item--durable .contrast-icon { background: color-mix(in srgb, var(--blue) 13%, transparent); color: var(--link); }
.contrast-item h3 { font-size: 1rem; }
.contrast-item p { margin-top: 4px; font-size: 0.92rem; color: var(--ink-2); }

.chart-card { padding: clamp(18px, 2.6vw, 28px); border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-md); }
.chart-card-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; align-items: baseline; }
.chart-card-head h3 { font-size: 1rem; }
.decay-chart { margin-top: 14px; }
.decay-chart svg { width: 100%; height: auto; overflow: visible; }
.decay-chart .axis { stroke: var(--border-strong); stroke-width: 1.5; }
.decay-chart .grid { stroke: var(--border); stroke-width: 1; stroke-dasharray: 3 5; }
.decay-chart .label { fill: var(--ink-3); font-family: var(--font-mono); font-size: 12px; }
.decay-chart .series-label { font-family: var(--font-body); font-size: 13px; font-weight: 600; }
.decay-chart .line-decay { stroke: var(--crit-solid); }
.decay-chart .line-durable { stroke: url(#durable-grad); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 12px; font-size: 0.85rem; color: var(--ink-2); }
.chart-legend span { display: inline-flex; align-items: center; gap: 8px; }
.chart-legend i { width: 18px; height: 3px; border-radius: 3px; }

.stack-diagram { display: grid; grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1.15fr) 40px minmax(0, 1fr); align-items: stretch; margin-top: clamp(44px, 6vw, 76px); }
.stack-node { padding: 20px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.stack-node--apiro {
  border: 1.5px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad-brand) border-box;
  box-shadow: var(--shadow-md);
}
.node-kicker { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-3); }
.stack-node h3 { margin-top: 6px; font-size: 1.02rem; }
.stack-node p { margin-top: 6px; font-size: 0.88rem; color: var(--ink-2); }
.stack-arrow { display: grid; place-items: center; color: var(--ink-3); }
.stack-arrow svg { width: 22px; height: 22px; }
@media (max-width: 900px) {
  .why-grid { grid-template-columns: 1fr; }
  .stack-diagram { grid-template-columns: 1fr; }
  .stack-arrow { height: 36px; }
  .stack-arrow svg { transform: rotate(90deg); }
}

/* ---------- Signals grid ---------- */
.signals-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.signal-card {
  display: flex; flex-direction: column; gap: 10px; min-width: 0;
  padding: 20px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface);
  color: inherit; text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
a.signal-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--border-strong); text-decoration: none; }
.signal-card--wide { grid-column: span 2; }
.signal-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.signal-index { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-3); }
.signal-code { font-family: var(--font-mono); font-size: 0.72rem; color: var(--link); background: var(--bg-tint); padding: 2px 7px; border-radius: 6px; overflow-wrap: anywhere; }
.signal-card h3 { font-size: 1.05rem; }
.signal-card p { font-size: 0.9rem; color: var(--ink-2); }
.signal-evidence { margin-top: auto; padding-top: 10px; border-top: 1px dashed var(--border); font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-3); }
.signal-evidence b { color: var(--ink); font-weight: 600; }

.bars { display: grid; gap: 7px; margin-top: 4px; }
.bar { display: grid; grid-template-columns: 92px minmax(0, 1fr) 58px; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-3); }
.bar-track { height: 8px; border-radius: 4px; background: var(--bg-tint); overflow: hidden; }
.bar-fill { display: block; height: 100%; width: max(4px, var(--w)); border-radius: 4px; background: var(--grad-brand); }
.bar--ok .bar-fill { background: var(--ok-solid); }
.bar b { color: var(--ink); text-align: right; font-weight: 600; }
.split-stat { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 4px; }
.split-stat div { padding: 12px; border-radius: 10px; background: var(--bg-soft); border: 1px solid var(--border); }
.split-stat b { display: block; font-family: var(--font-display); font-size: 1.6rem; letter-spacing: -0.03em; line-height: 1.15; }
.split-stat span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-3); }
.split-stat .is-zero b { color: var(--crit); }

@media (max-width: 1100px) {
  .signals-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .signal-card--wide { grid-column: auto; }
}
@media (max-width: 620px) {
  .signals-grid { grid-template-columns: 1fr; }
  .bar { grid-template-columns: 78px minmax(0, 1fr) 52px; }
}

/* ---------- Live console ---------- */
.console { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: 16px; align-items: start; }
.console-panel { border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-md); min-width: 0; }
.console-request { display: grid; gap: 18px; padding: clamp(18px, 2.4vw, 24px); position: sticky; top: calc(var(--header-h) + 16px); }
.console-endpoint {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  background: var(--bg-tint); border: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-2);
  overflow-x: auto; white-space: nowrap;
}
.method { font-weight: 700; color: var(--ok); }
.console-form label { display: block; margin-bottom: 7px; font-size: 0.85rem; font-weight: 600; }
.console-input-row { display: flex; gap: 8px; }
.console-input-row .input { font-family: var(--font-mono); font-size: 0.8rem; min-width: 0; }
.console-presets { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 10px; font-size: 0.8rem; color: var(--ink-3); }
.preset {
  padding: 4px 10px; border-radius: 999px;
  border: 1px dashed var(--border-strong); background: transparent;
  font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-2);
}
.preset:hover { color: var(--ink); border-style: solid; }

.console-response { overflow: hidden; }
.console-response-bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 14px 10px 18px; border-bottom: 1px solid var(--border); background: var(--surface-2);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.status { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-2); }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ok-solid); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok-solid) 25%, transparent); }
.status.is-info::before { background: var(--warn-solid); box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn-solid) 25%, transparent); }
.status.is-loading::before { background: var(--sky); animation: pulse 0.9s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }
.tab-list.tab-list--sm { padding: 3px; }
.tab-list--sm [role="tab"] { min-height: 30px; padding: 0 12px; font-size: 0.8rem; }
.console-body { padding: clamp(16px, 2.4vw, 22px); min-height: 480px; }

.report-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 12px 20px; }
.report-symbol { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
.report-address { font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-3); overflow-wrap: anywhere; }
.report-score { display: flex; align-items: baseline; gap: 8px; }
.report-score-num { font-family: var(--font-display); font-size: 2.6rem; font-weight: 800; line-height: 1; letter-spacing: -0.04em; }
.report-score-of { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-3); }
.report-section { margin-top: 22px; }
.report-h {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 10px; margin-bottom: 10px;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-3);
}
.report-h span { text-transform: none; letter-spacing: 0; }
.report-flags { display: grid; gap: 10px; }
.report-caveats { display: grid; gap: 6px; padding-left: 18px; color: var(--ink-2); font-size: 0.88rem; }

.penalty { margin-top: 16px; padding: 14px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--border); }
.penalty-top { display: flex; justify-content: space-between; gap: 10px; font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-3); }
.penalty-top b { color: var(--ink); }
.penalty-bar { position: relative; height: 10px; margin-top: 10px; border-radius: 5px; background: var(--bg-tint); }
.penalty-fill { position: absolute; inset: 0 auto 0 0; width: var(--w); border-radius: 5px; background: linear-gradient(90deg, var(--warn-solid), var(--crit-solid)); }
.penalty-over {
  position: absolute; inset: 0 auto 0 var(--clamp); width: calc(var(--w) - var(--clamp)); border-radius: 0 5px 5px 0;
  background: repeating-linear-gradient(135deg, var(--crit-solid) 0 5px, color-mix(in srgb, var(--crit-solid) 45%, transparent) 5px 10px);
}
.penalty-clamp { position: absolute; top: -5px; bottom: -5px; left: var(--clamp); width: 2px; background: var(--ink); }
.penalty p { margin-top: 10px; font-size: 0.84rem; color: var(--ink-2); }

.gate { display: flex; align-items: center; gap: 16px; padding: 18px; border-radius: var(--radius); background: var(--crit-bg); }
.gate-light { flex: none; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: var(--crit-solid); color: #fff; }
.gate-light svg { width: 24px; height: 24px; }
.gate-title { font-family: var(--font-mono); font-size: 1.15rem; font-weight: 700; color: var(--crit); }
.gate p { font-size: 0.88rem; color: var(--ink-2); }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-family: var(--font-mono); font-size: 0.78rem; padding: 4px 10px; border-radius: 8px; background: var(--crit-bg); color: var(--crit); }

.console-empty { display: grid; justify-items: center; gap: 10px; padding: 56px 12px; text-align: center; }
.console-empty svg { width: 36px; height: 36px; color: var(--ink-3); }
.console-empty p { max-width: 42ch; color: var(--ink-2); font-size: 0.93rem; }
.console-empty .actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 6px; }

.skeleton { display: grid; gap: 12px; }
.skeleton i { display: block; height: 14px; border-radius: 6px; background: linear-gradient(90deg, var(--bg-tint), var(--surface-2), var(--bg-tint)); background-size: 200% 100%; animation: shimmer 1.1s linear infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.console-note { margin-top: 16px; font-size: 0.85rem; color: var(--ink-3); max-width: 70ch; }

@media (max-width: 980px) {
  .console { grid-template-columns: 1fr; }
  .console-request { position: static; }
}
@media (max-width: 480px) {
  .console-input-row { flex-direction: column; }
  .gate { align-items: flex-start; }
}

/* ---------- Integrate ---------- */
.integrate-tabs { display: flex; justify-content: center; }
.integrate-panel { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(24px, 4vw, 52px); align-items: center; margin-top: 32px; }
.integrate-copy h3 { font-size: clamp(1.3rem, 2.2vw, 1.65rem); }
.integrate-copy > p { margin-top: 12px; color: var(--ink-2); }
.integrate-copy .check-list { margin-top: 18px; }
.tool-list { display: grid; gap: 10px; margin-top: 18px; }
.tool { padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); font-size: 0.9rem; color: var(--ink-2); }
.tool code { font-weight: 600; }
@media (max-width: 900px) { .integrate-panel { grid-template-columns: 1fr; } }

/* ---------- Principles ---------- */
.principles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.principle { padding: 24px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.principle-icon { width: 42px; height: 42px; margin-bottom: 18px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: var(--grad-button); }
.principle-icon svg { width: 20px; height: 20px; }
.principle h3 { font-size: 1.05rem; }
.principle p { margin-top: 8px; font-size: 0.92rem; color: var(--ink-2); }
@media (max-width: 1000px) { .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .principles { grid-template-columns: 1fr; } }

/* ---------- Pricing tiers ---------- */
.tiers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; align-items: stretch; }
.tier { position: relative; display: flex; flex-direction: column; padding: 24px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); }
.tier--featured { border: 1.5px solid transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad-brand) border-box; box-shadow: var(--shadow-lg); }
.tier-tag { position: absolute; top: -11px; left: 22px; padding: 3px 10px; border-radius: 999px; font-family: var(--font-mono); font-size: 0.68rem; font-weight: 600; color: #fff; background: var(--grad-button); }
.tier-name { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; }
.tier-for { margin-top: 4px; min-height: 2.9em; font-size: 0.9rem; color: var(--ink-3); }
.tier-price { margin-top: 16px; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.tier-price small { display: block; margin-top: 2px; font-family: var(--font-body); font-size: 0.8rem; font-weight: 500; letter-spacing: 0; color: var(--ink-3); }
.tier-inherit { margin-top: 20px; font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-3); }
.tier .check-list { margin: 12px 0 24px; }
.tier .check-list li { flex-wrap: wrap; }
.tier .btn { margin-top: auto; }
.tiers-note { margin-top: 18px; font-size: 0.85rem; color: var(--ink-3); text-align: center; }
@media (max-width: 1080px) { .tiers { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 24px; } }
@media (max-width: 600px) { .tiers { grid-template-columns: 1fr; } }

/* ---------- Get started / access ---------- */
.access { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr); gap: clamp(32px, 5vw, 64px); align-items: start; }
.steps { margin-top: 28px; padding: 0; list-style: none; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; padding: 18px 0; border-top: 1px solid var(--border); }
.steps li::before { counter-increment: step; content: counter(step, decimal-leading-zero); padding-top: 2px; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600; color: var(--link); }
.steps h3 { font-size: 1.02rem; }
.steps p { margin-top: 4px; font-size: 0.92rem; color: var(--ink-2); }
.access-card { position: relative; overflow: hidden; padding: clamp(22px, 3vw, 32px); border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-lg); }
.access-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--grad-brand); }
.access-card h3 { font-size: 1.3rem; }
.access-card > p { margin-top: 6px; color: var(--ink-2); font-size: 0.93rem; }
.access-form { display: grid; gap: 16px; margin-top: 22px; }
.access-form .btn { width: 100%; }
.form-fineprint { font-size: 0.78rem; color: var(--ink-3); }
@media (max-width: 900px) { .access { grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center;
  padding: clamp(28px, 5vw, 56px);
  border-radius: var(--radius-lg);
  background: #0a0e1a; color: #edf1ff;
}
.cta-band::before, .cta-band::after { content: ""; position: absolute; z-index: -1; border-radius: 999px; filter: blur(60px); }
.cta-band::before { width: 420px; height: 160px; right: -60px; top: -60px; background: linear-gradient(90deg, #00d8ff, #1f6bff); opacity: 0.45; transform: rotate(-18deg); }
.cta-band::after { width: 380px; height: 140px; right: 120px; bottom: -80px; background: linear-gradient(90deg, #6a1ef2, #f04fe0); opacity: 0.45; transform: rotate(12deg); }
.cta-band h2 { color: #fff; font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
.cta-band p { margin-top: 10px; color: #b3bcd8; max-width: 40rem; }
.cta-band .actions { display: flex; flex-wrap: wrap; gap: 10px; }
.cta-band .btn-secondary { background: rgba(255, 255, 255, 0.06); color: #fff; border-color: rgba(255, 255, 255, 0.24); }
.cta-band .btn-secondary:hover { border-color: rgba(255, 255, 255, 0.5); }
@media (max-width: 760px) { .cta-band { grid-template-columns: 1fr; } }

/* ---------- Subpage hero ---------- */
.page-hero { position: relative; overflow: hidden; padding-block: clamp(48px, 7vw, 96px) clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--border); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { margin-top: 16px; max-width: 20ch; font-size: clamp(2.1rem, 4.8vw, 3.5rem); }
.page-hero .lead { margin-top: 18px; max-width: 46rem; }
.page-hero .hero-actions { margin-top: 26px; }