/* ==========================================================================
   ZypheraHub — Design System
   Professional Education for Trading Card Game Collectors
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Color — surfaces */
  --ink-0: #08080c;
  --ink-1: #0c0c12;
  --ink-2: #12121a;
  --ink-3: #191925;
  --ink-4: #222231;
  --line-1: rgba(235, 232, 255, 0.08);
  --line-2: rgba(235, 232, 255, 0.14);

  /* Color — text */
  --text-1: #efedf7;
  --text-2: #b6b3c7;
  --text-3: #817e95;

  /* Color — brand */
  --gold-1: #f2d5a0;
  --gold-2: #d9ab5f;
  --gold-3: #a97c35;
  --violet-1: #b9a7ff;
  --violet-2: #7c65d8;
  --violet-3: #4a3b8f;
  --accent-grad: linear-gradient(115deg, var(--gold-1), var(--gold-2) 55%, #c78d4a);
  --ok: #7fd8a4;

  /* Type */
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Instrument Sans", "Inter", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", ui-monospace, monospace;

  --fs-hero: clamp(2.6rem, 6.2vw, 4.4rem);
  --fs-h1: clamp(2.2rem, 4.6vw, 3.4rem);
  --fs-h2: clamp(1.7rem, 3.2vw, 2.4rem);
  --fs-h3: clamp(1.2rem, 2vw, 1.45rem);
  --fs-body-lg: 1.125rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-micro: 0.78rem;

  /* Rhythm */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6.5rem;
  --space-7: 9rem;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --radius-pill: 999px;

  --container: 76rem;
  --container-narrow: 46rem;
  --container-prose: 42rem;

  --shadow-lift: 0 24px 60px -24px rgba(0, 0, 0, 0.65);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 320ms;

  color-scheme: dark;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--ink-0);
  color: var(--text-2);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
img, svg, video { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.14;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.3; }
p { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--gold-2);
  outline-offset: 3px;
  border-radius: 4px;
}
::selection { background: rgba(217, 171, 95, 0.28); color: var(--text-1); }

.skip-link {
  position: absolute;
  left: 1rem; top: -4rem;
  z-index: 200;
  background: var(--gold-2);
  color: var(--ink-0);
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-s);
  transition: top 160ms var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Layout primitives ---------- */
.container {
  width: min(100% - 3rem, var(--container));
  margin-inline: auto;
}
.container--narrow { width: min(100% - 3rem, var(--container-narrow)); }
.section { padding-block: var(--space-6); }
.section--tight { padding-block: var(--space-5); }
.section--hero { padding-block: clamp(5rem, 12vw, 8.5rem) var(--space-6); }

.grid { display: grid; gap: var(--space-3); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 60rem) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 40rem) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-2);
  margin-bottom: var(--space-2);
}
.eyebrow::before {
  content: "";
  width: 1.6rem; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-2));
}
.lede {
  font-size: var(--fs-body-lg);
  color: var(--text-2);
  max-width: 38rem;
  margin-top: var(--space-3);
}
.section-head { max-width: 44rem; margin-bottom: var(--space-4); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--center .eyebrow::before { display: none; }
.section-head--center .lede { margin-inline: auto; }
.text-gradient {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.78rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: var(--fs-small);
  letter-spacing: 0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
              background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out),
              color var(--dur) var(--ease-out);
}
.btn svg { width: 1em; height: 1em; }
.btn--primary {
  background: var(--accent-grad);
  color: #201503;
  box-shadow: 0 10px 30px -12px rgba(217, 171, 95, 0.5);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(217, 171, 95, 0.6); }
.btn--secondary {
  background: rgba(235, 232, 255, 0.05);
  border-color: var(--line-2);
  color: var(--text-1);
}
.btn--secondary:hover { background: rgba(235, 232, 255, 0.1); border-color: rgba(235, 232, 255, 0.24); transform: translateY(-2px); }
.btn--ghost { color: var(--text-2); padding-inline: 1rem; }
.btn--ghost:hover { color: var(--text-1); }
.btn--lg { padding: 1rem 2.1rem; font-size: var(--fs-body); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  font-size: var(--fs-small);
  color: var(--gold-1);
}
.link-arrow svg { width: 0.9em; height: 0.9em; transition: transform var(--dur) var(--ease-out); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Badges & pills ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-2);
  background: rgba(235, 232, 255, 0.04);
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-2);
}
.badge--gold {
  border-color: rgba(217, 171, 95, 0.4);
  background: rgba(217, 171, 95, 0.1);
  color: var(--gold-1);
}
.badge--soon {
  border-color: rgba(185, 167, 255, 0.35);
  background: rgba(124, 101, 216, 0.14);
  color: var(--violet-1);
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--ink-0) 78%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.site-header.is-scrolled { border-bottom-color: var(--line-1); }
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  height: 4.5rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-1);
}
.brand svg { width: 1.7rem; height: 1.7rem; }
.brand span em { font-style: normal; color: var(--gold-2); }

.site-nav { margin-inline: auto; }
.site-nav ul {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
}
.site-nav a {
  display: block;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.site-nav a:hover { color: var(--text-1); background: rgba(235, 232, 255, 0.05); }
.site-nav a[aria-current="page"] { color: var(--gold-1); }
.header-cta { margin-left: auto; }
.site-nav + .header-cta { margin-left: 0; }

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 2.6rem; height: 2.6rem;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-s);
  background: transparent;
  cursor: pointer;
  position: relative;
}
.nav-toggle .bar {
  position: absolute;
  left: 0.65rem; right: 0.65rem;
  height: 1.5px;
  background: var(--text-1);
  transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
}
.nav-toggle .bar:nth-child(1) { top: 0.95rem; }
.nav-toggle .bar:nth-child(2) { top: 1.55rem; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(0.3rem) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { transform: translateY(-0.3rem) rotate(-45deg); }

@media (max-width: 64rem) {
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .site-nav {
    position: fixed;
    inset: 4.5rem 0 auto 0;
    margin: 0;
    background: var(--ink-1);
    border-bottom: 1px solid var(--line-1);
    padding: var(--space-2) var(--space-3) var(--space-4);
    transform: translateY(-0.75rem);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out), visibility 0s var(--dur);
  }
  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
  }
  .site-nav ul { flex-direction: column; gap: 0.1rem; }
  .site-nav a { font-size: 1.05rem; padding: 0.8rem 0.9rem; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(52rem 30rem at 85% -12%, rgba(124, 101, 216, 0.16), transparent 62%),
    radial-gradient(46rem 30rem at 4% 8%, rgba(217, 171, 95, 0.11), transparent 60%);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-1) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-1) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(60rem 34rem at 50% 0%, rgba(0,0,0,0.5), transparent 75%);
  -webkit-mask-image: radial-gradient(60rem 34rem at 50% 0%, rgba(0,0,0,0.5), transparent 75%);
}
.hero h1 { font-size: var(--fs-hero); max-width: 15ch; }
.hero .lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); }
.hero .btn-row { margin-top: var(--space-4); }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line-1);
  font-size: var(--fs-small);
  color: var(--text-3);
}
.hero-meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-1);
  font-weight: 500;
}

/* ---------- Cards ---------- */
.card {
  position: relative;
  background: linear-gradient(180deg, var(--ink-2), var(--ink-1));
  border: 1px solid var(--line-1);
  border-radius: var(--radius-l);
  padding: var(--space-4) var(--space-3);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.card:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: var(--shadow-lift); }
.card h3 { margin-bottom: 0.6rem; }
.card p { font-size: var(--fs-small); color: var(--text-2); }
.card .icon-tile { margin-bottom: var(--space-3); }
.icon-tile {
  width: 2.9rem; height: 2.9rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-m);
  background: rgba(217, 171, 95, 0.09);
  border: 1px solid rgba(217, 171, 95, 0.22);
  color: var(--gold-1);
}
.icon-tile svg { width: 1.35rem; height: 1.35rem; }
.icon-tile--violet {
  background: rgba(124, 101, 216, 0.12);
  border-color: rgba(124, 101, 216, 0.3);
  color: var(--violet-1);
}

/* Course cards */
.course-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}
.course-card__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.course-card__media svg { width: 100%; height: 100%; }
.course-card__media .badge { position: absolute; top: 1rem; left: 1rem; backdrop-filter: blur(8px); }
.course-card__body { padding: var(--space-3); display: flex; flex-direction: column; gap: 0.7rem; flex: 1; }
.course-card__meta { display: flex; gap: 1rem; font-size: var(--fs-micro); color: var(--text-3); letter-spacing: 0.04em; text-transform: uppercase; font-weight: 600; }
.course-card__foot {
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px solid var(--line-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.price { font-family: var(--font-display); font-size: 1.35rem; color: var(--text-1); }
.price small { font-family: var(--font-body); font-size: var(--fs-micro); color: var(--text-3); display: block; letter-spacing: 0.05em; }
.course-card--soon { opacity: 0.92; }
.course-card--soon:hover { transform: none; box-shadow: none; }
.card-link::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }

/* ---------- Panels / split sections ---------- */
.panel {
  background: linear-gradient(180deg, var(--ink-2), var(--ink-1));
  border: 1px solid var(--line-1);
  border-radius: var(--radius-l);
  padding: clamp(1.75rem, 4vw, 3.5rem);
}
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
@media (max-width: 56rem) { .split { grid-template-columns: 1fr; } }

/* ---------- Feature list ---------- */
.check-list { list-style: none; padding: 0; display: grid; gap: 0.85rem; }
.check-list li { display: flex; gap: 0.8rem; align-items: flex-start; }
.check-list svg { flex: none; width: 1.25rem; height: 1.25rem; color: var(--gold-2); margin-top: 0.2rem; }
.check-list strong { color: var(--text-1); font-weight: 600; }

/* ---------- Curriculum accordion ---------- */
.accordion { display: grid; gap: 0.75rem; }
.accordion details {
  background: linear-gradient(180deg, var(--ink-2), var(--ink-1));
  border: 1px solid var(--line-1);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease-out);
}
.accordion details[open] { border-color: rgba(217, 171, 95, 0.3); }
.accordion summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.4rem;
  font-weight: 600;
  color: var(--text-1);
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary .num {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--gold-2);
  letter-spacing: 0.08em;
}
.accordion summary .meta { margin-left: auto; font-size: var(--fs-micro); font-weight: 500; color: var(--text-3); white-space: nowrap; }
.accordion summary .chev { flex: none; width: 1.1rem; height: 1.1rem; color: var(--text-3); transition: transform var(--dur) var(--ease-out); }
.accordion details[open] summary .chev { transform: rotate(180deg); }
.accordion .acc-body { padding: 0 1.4rem 1.3rem; color: var(--text-2); font-size: var(--fs-small); }
.acc-body ul { padding-left: 1.1rem; display: grid; gap: 0.4rem; margin-top: 0.4rem; }

/* ---------- Stats strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-block: 1px solid var(--line-1);
}
@media (max-width: 48rem) { .stat-strip { grid-template-columns: repeat(2, 1fr); } }
.stat-strip strong { display: block; font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.5rem); color: var(--text-1); font-weight: 500; }
.stat-strip span { font-size: var(--fs-small); color: var(--text-3); }

/* ---------- Steps / journey ---------- */
.steps { list-style: none; padding: 0; display: grid; gap: 0; counter-reset: step; }
.steps li {
  position: relative;
  padding: 0 0 var(--space-4) 3.4rem;
  counter-increment: step;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0; top: -0.1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
  color: var(--gold-2);
  width: 2.2rem; height: 2.2rem;
  display: grid; place-items: center;
  border: 1px solid rgba(217, 171, 95, 0.35);
  border-radius: 50%;
  background: rgba(217, 171, 95, 0.07);
}
.steps li::after {
  content: "";
  position: absolute;
  left: 1.1rem; top: 2.3rem; bottom: 0.2rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(217, 171, 95, 0.3), var(--line-1));
}
.steps li:last-child::after { display: none; }
.steps h3 { font-size: 1.1rem; font-family: var(--font-body); font-weight: 600; margin-bottom: 0.3rem; }
.steps p { font-size: var(--fs-small); max-width: 34rem; }

/* ---------- FAQ ---------- */
.faq-group + .faq-group { margin-top: var(--space-5); }
.faq-group > h2 { font-size: 1.35rem; margin-bottom: var(--space-3); }

/* ---------- Forms ---------- */
.field { display: grid; gap: 0.45rem; }
.field label { font-size: var(--fs-small); font-weight: 600; color: var(--text-1); }
.field .hint { font-size: var(--fs-micro); color: var(--text-3); }
.input, .textarea, .select {
  width: 100%;
  background: var(--ink-1);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-s);
  padding: 0.75rem 1rem;
  color: var(--text-1);
  transition: border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.input::placeholder, .textarea::placeholder { color: var(--text-3); }
.input:hover, .textarea:hover, .select:hover { border-color: rgba(235, 232, 255, 0.22); }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--gold-2); background: var(--ink-2); }
.textarea { min-height: 9.5rem; resize: vertical; }

/* Search */
.search-bar {
  position: relative;
  max-width: 30rem;
}
.search-bar svg {
  position: absolute;
  left: 1rem; top: 50%;
  transform: translateY(-50%);
  width: 1.05rem; height: 1.05rem;
  color: var(--text-3);
  pointer-events: none;
}
.search-bar .input { padding-left: 2.7rem; border-radius: var(--radius-pill); }

/* Filter pills */
.filter-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filter-pill {
  padding: 0.45rem 1.05rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--text-2);
  font-size: var(--fs-small);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
}
.filter-pill:hover { color: var(--text-1); border-color: rgba(235, 232, 255, 0.28); }
.filter-pill[aria-pressed="true"] {
  background: rgba(217, 171, 95, 0.12);
  border-color: rgba(217, 171, 95, 0.45);
  color: var(--gold-1);
}
.empty-note {
  padding: var(--space-4);
  border: 1px dashed var(--line-2);
  border-radius: var(--radius-m);
  text-align: center;
  color: var(--text-3);
}

/* ---------- Timeline (release calendar) ---------- */
.timeline { position: relative; display: grid; gap: var(--space-3); }
.timeline-quarter {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-2);
  margin: var(--space-3) 0 0.25rem;
}
.release-item {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: var(--space-3);
  background: linear-gradient(180deg, var(--ink-2), var(--ink-1));
  border: 1px solid var(--line-1);
  border-radius: var(--radius-m);
  padding: var(--space-3);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.release-item:hover { border-color: var(--line-2); transform: translateX(4px); }
.release-item time {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-1);
  line-height: 1.3;
}
.release-item time small { display: block; font-family: var(--font-body); font-size: var(--fs-micro); color: var(--text-3); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 0.2rem; }
.release-item h3 { font-size: 1.12rem; display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
.release-item p { font-size: var(--fs-small); margin-top: 0.45rem; }
.release-note {
  margin-top: 0.7rem;
  padding: 0.65rem 0.9rem;
  border-left: 2px solid var(--gold-3);
  background: rgba(217, 171, 95, 0.05);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: var(--fs-micro);
  color: var(--text-2);
}
.release-note strong { color: var(--gold-1); font-weight: 600; letter-spacing: 0.05em; }
@media (max-width: 40rem) { .release-item { grid-template-columns: 1fr; gap: var(--space-2); } }

/* ---------- Articles ---------- */
.article-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.article-card__media { aspect-ratio: 16 / 9; overflow: hidden; }
.article-card__media svg { width: 100%; height: 100%; }
.article-card__body { padding: var(--space-3); display: grid; gap: 0.6rem; }
.article-card__meta { display: flex; gap: 0.9rem; font-size: var(--fs-micro); color: var(--text-3); text-transform: uppercase; letter-spacing: 0.07em; font-weight: 600; }

.prose { max-width: var(--container-prose); margin-inline: auto; }
.prose > * + * { margin-top: 1.35rem; }
.prose h2 { font-size: 1.6rem; margin-top: 3rem; }
.prose h3 { font-size: 1.2rem; margin-top: 2.2rem; }
.prose ul, .prose ol { padding-left: 1.3rem; display: grid; gap: 0.5rem; }
.prose blockquote {
  border-left: 2px solid var(--gold-3);
  padding: 0.4rem 0 0.4rem 1.4rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text-1);
  font-style: italic;
}
.prose strong { color: var(--text-1); }
.prose a { color: var(--gold-1); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(217, 171, 95, 0.4); }
.prose a:hover { text-decoration-color: var(--gold-1); }
.prose hr { border: none; border-top: 1px solid var(--line-1); margin-block: 2.5rem; }
.article-header { text-align: center; max-width: 46rem; margin-inline: auto; }
.article-header .article-card__meta { justify-content: center; margin-bottom: var(--space-3); }

/* Definition list (glossary style) */
.def-list { display: grid; gap: 0; }
.def-list > div { padding: var(--space-3) 0; border-bottom: 1px solid var(--line-1); }
.def-list dt { font-family: var(--font-display); font-size: 1.15rem; color: var(--text-1); margin-bottom: 0.35rem; }
.def-list dd { margin: 0; font-size: var(--fs-small); color: var(--text-2); max-width: 40rem; }

/* ---------- Pricing ---------- */
.pricing-card {
  position: relative;
  border: 1px solid rgba(217, 171, 95, 0.3);
  border-radius: var(--radius-l);
  background:
    radial-gradient(30rem 16rem at 80% -20%, rgba(217, 171, 95, 0.1), transparent 60%),
    linear-gradient(180deg, var(--ink-2), var(--ink-1));
  padding: clamp(2rem, 4vw, 3.25rem);
  overflow: hidden;
}
.pricing-price {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.2rem);
  color: var(--text-1);
  line-height: 1;
  letter-spacing: -0.02em;
}
.pricing-price sup { font-size: 0.4em; top: -1em; color: var(--gold-2); }
.pricing-price .cents { font-size: 0.42em; color: var(--text-2); }
.pricing-note { font-size: var(--fs-small); color: var(--text-3); margin-top: 0.5rem; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-l);
  border: 1px solid rgba(217, 171, 95, 0.25);
  background:
    radial-gradient(40rem 22rem at 15% 120%, rgba(124, 101, 216, 0.18), transparent 60%),
    radial-gradient(40rem 22rem at 85% -20%, rgba(217, 171, 95, 0.14), transparent 60%),
    linear-gradient(180deg, var(--ink-3), var(--ink-1));
  padding: clamp(2.5rem, 6vw, 5rem);
  text-align: center;
}
.cta-band h2 { max-width: 24ch; margin-inline: auto; }
.cta-band .lede { margin-inline: auto; }
.cta-band .btn-row { justify-content: center; margin-top: var(--space-4); }

/* ---------- Page hero (interior) ---------- */
.page-hero { position: relative; overflow: hidden; padding-block: clamp(4rem, 9vw, 6.5rem) var(--space-5); }
.page-hero .hero-bg { opacity: 0.8; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; list-style: none; padding: 0; font-size: var(--fs-micro); color: var(--text-3); letter-spacing: 0.04em; margin-bottom: var(--space-3); }
.breadcrumb a:hover { color: var(--text-1); }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 0.5rem; color: var(--text-3); opacity: 0.5; }
.breadcrumb [aria-current] { color: var(--gold-1); }

/* ---------- Team ---------- */
.team-figure { border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line-1); }
.team-figure svg { width: 100%; height: auto; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line-1); border-radius: var(--radius-m); }
table { width: 100%; border-collapse: collapse; font-size: var(--fs-small); min-width: 34rem; }
th, td { text-align: left; padding: 0.9rem 1.2rem; border-bottom: 1px solid var(--line-1); }
th { color: var(--text-1); font-weight: 600; background: var(--ink-2); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.08em; }
tr:last-child td { border-bottom: none; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: var(--space-6);
  border-top: 1px solid var(--line-1);
  background: var(--ink-1);
  padding: var(--space-5) 0 var(--space-4);
  font-size: var(--fs-small);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-4);
}
@media (max-width: 56rem) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 36rem) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid .brand { margin-bottom: var(--space-2); }
.footer-tag { color: var(--text-3); max-width: 20rem; }
.footer-col h2 { font-family: var(--font-body); font-size: var(--fs-micro); font-weight: 700; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-3); margin-bottom: var(--space-2); }
.footer-col ul { list-style: none; padding: 0; display: grid; gap: 0.55rem; }
.footer-col a { color: var(--text-2); transition: color var(--dur) var(--ease-out); }
.footer-col a:hover { color: var(--gold-1); }
.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line-1);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
  color: var(--text-3);
  font-size: var(--fs-micro);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 404 ---------- */
.error-hero { text-align: center; padding-block: clamp(6rem, 16vw, 11rem); }
.error-code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 18vw, 11rem);
  line-height: 1;
  background: linear-gradient(180deg, var(--text-1) 20%, rgba(239, 237, 247, 0.06));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.04em;
}