/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-base:      #08080f;
  --bg-alt:       #0d0d17;
  --surface:      #12121e;
  --surface-2:    #181828;
  --border:       #1e1e30;
  --border-2:     #252538;

  --amber:        #e8a020;
  --amber-dim:    rgba(232,160,32,0.12);
  --amber-glow:   rgba(232,160,32,0.25);
  --teal:         #20d4c0;
  --teal-dim:     rgba(32,212,192,0.10);
  --teal-glow:    rgba(32,212,192,0.20);
  --rose:         #e8406a;
  --rose-dim:     rgba(232,64,106,0.10);

  --text-primary: #f0f0f8;
  --text-secondary:#a0a0b8;
  --text-muted:   #5a5a78;

  --radius:       10px;
  --radius-lg:    16px;
  --radius-xl:    24px;

  --font-sans:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Mono', monospace;

  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

a { color: inherit; text-decoration: none; }

em { font-style: normal; color: var(--amber); }

.mono { font-family: var(--font-mono); }
.muted { color: var(--text-muted); }
.amber { color: var(--amber); }
.teal  { color: var(--teal); }

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--amber);
  background: var(--amber);
  color: #08080f;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.btn:hover {
  background: #ffb830;
  border-color: #ffb830;
  transform: translateY(-1px);
  box-shadow: 0 0 24px var(--amber-glow);
}
.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-2);
}
.btn--ghost:hover {
  background: var(--surface);
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: none;
}
.btn--sm  { padding: 0.45rem 0.9rem; font-size: 0.82rem; }
.btn--lg  { padding: 0.8rem 1.75rem; font-size: 0.95rem; }

/* ─── Nav (index.html uses doc-nav from docs.css) ──────────── */

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 4rem 0 5rem;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.18;
}
.hero__glow--amber {
  width: 600px; height: 600px;
  background: var(--amber);
  top: -100px; right: -100px;
}
.hero__glow--teal {
  width: 400px; height: 400px;
  background: var(--teal);
  bottom: 0; left: -80px;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 75%);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
}
.hero__content { max-width: 520px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  border-radius: 99px;
  border: 1px solid var(--border-2);
  background: var(--surface);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 6px var(--teal);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.hero__title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}
.hero__sub {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 460px;
}
.hero__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.hero__note {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* ─── Vector Card ──────────────────────────────────────────── */
.vector-card {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}
.vector-card__header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.vector-card__title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 0.25rem;
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot--green { background: #3ddc84; }
.dot--amber { background: var(--amber); }
.dot--rose  { background: var(--rose); }

.vector-card__body { padding: 1.25rem 1rem; display: flex; flex-direction: column; gap: 0.75rem; }

.vector-row {
  display: grid;
  grid-template-columns: 130px 1fr 60px;
  align-items: center;
  gap: 0.75rem;
}
.vr__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.vr__bar {
  height: 4px;
  background: var(--border-2);
  border-radius: 2px;
  overflow: hidden;
}
.vr__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber), #ffcc60);
  border-radius: 2px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}
.vr__fill--teal {
  background: linear-gradient(90deg, var(--teal), #60ffe8);
}
.vr__val {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-align: right;
}
.vr__val.amber { color: var(--amber); }

.vector-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 0.72rem;
}
.status-pill {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  border-radius: 99px;
  border: 1px solid;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.status-pill--green {
  border-color: #3ddc84;
  color: #3ddc84;
  background: rgba(61,220,132,0.08);
}

/* ─── Marquee ──────────────────────────────────────────────── */
.marquee-wrap {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  padding: 0.75rem 0;
}
.marquee { overflow: hidden; }
.marquee__track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: marquee 30s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.marquee__track span { white-space: nowrap; }
.marquee__track .sep { color: var(--amber); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── Sections ─────────────────────────────────────────────── */
.section { padding: 6rem 0; }
.section--alt { background: var(--bg-alt); }

.section__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 1rem;
}
.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section__sub {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* ─── Problem ──────────────────────────────────────────────── */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
  margin-bottom: 2rem;
}
.problem-card {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.problem-card--actual { border-color: rgba(232,160,32,0.25); }
.problem-card__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}
.problem-card__tag--amber { color: var(--amber); }
.problem-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}
.check       { color: var(--text-muted); margin-right: 0.5rem; }
.check--amber { color: var(--amber); margin-right: 0.5rem; }
.problem-card__note {
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}
.problem-card__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.5rem;
}
.problem-card__vs {
  font-size: 2rem;
  font-weight: 700;
  color: var(--rose);
  opacity: 0.7;
}
.insight-card {
  display: flex;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.insight-card__icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }
.insight-card strong { color: var(--text-primary); }

/* ─── Steps ────────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.step-card {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition), transform var(--transition);
}
.step-card:hover {
  border-color: var(--border-2);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.step-card__num {
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.06em;
}
.step-card__icon {
  font-size: 1.4rem;
  margin-bottom: 0.25rem;
}
.step-card h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.step-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}
.step-card__output {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}
.tag {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: var(--teal-dim);
  color: var(--teal);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  border: 1px solid rgba(32,212,192,0.2);
}
.tag--amber {
  background: var(--amber-dim);
  color: var(--amber);
  border-color: rgba(232,160,32,0.2);
}

/* ─── Tech ─────────────────────────────────────────────────── */
.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}
.code-panel__header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.tech-code-panel {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: 5rem;
}
.code-panel__body {
  padding: 1.5rem;
  overflow-x: auto;
}
.code-panel__body code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
  display: block;
}
.c-kw   { color: #c792ea; }
.c-type { color: var(--teal); }
.c-key  { color: #82aaff; }
.c-punct{ color: var(--text-muted); }
.c-str  { color: var(--amber); }
.c-num  { color: #f78c6c; }
.c-fn   { color: #82aaff; }
.c-comment { color: var(--text-muted); font-style: italic; }

.tech-pillars { display: flex; flex-direction: column; gap: 1rem; }
.tech-pillar {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color var(--transition);
}
.tech-pillar:hover { border-color: var(--amber); }
.tech-pillar__header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}
.tech-pillar__icon { font-size: 1rem; }
.tech-pillar__name {
  font-size: 0.9rem;
  font-weight: 600;
  flex: 1;
}
.tech-pillar p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

.weight-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.weight-badge--high { background: var(--amber-dim); border-color: rgba(232,160,32,0.2); color: var(--amber); }
.weight-badge--teal { background: var(--teal-dim); border-color: rgba(32,212,192,0.2); color: var(--teal); }

/* ─── Calibration ──────────────────────────────────────────── */
.calib-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.calib-card {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition);
}
.calib-card:hover { transform: translateY(-4px); }
.calib-card__img {
  height: 180px;
  background: var(--surface-2);
  position: relative;
  overflow: hidden;
}
.calib-card__img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(8,8,15,0.8));
}

/* abstract placeholder art per card */
.calib-card__img--1 {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}
.calib-card__img--1::before {
  content: '';
  position: absolute;
  width: 80px; height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,160,32,0.4), transparent);
  top: 30%; left: 50%; transform: translate(-50%, -50%);
}
.calib-card__img--2 {
  background: linear-gradient(135deg, #0d1b2a 0%, #1b263b 50%, #415a77 100%);
}
.calib-card__img--2::before {
  content: '';
  position: absolute;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(32,212,192,0.3), transparent);
  top: 35%; left: 50%; transform: translate(-50%, -50%);
}
.calib-card__img--3 {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}
.calib-card__img--3::before {
  content: '';
  position: absolute;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(90,90,120,0.4), transparent);
  top: 35%; left: 50%; transform: translate(-50%, -50%);
}
.calib-card__img--4 {
  background: linear-gradient(135deg, #1a0a2e 0%, #2d1248 50%, #4a1c6e 100%);
}
.calib-card__img--4::before {
  content: '';
  position: absolute;
  width: 70px; height: 70px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,160,32,0.35), transparent);
  top: 32%; left: 50%; transform: translate(-50%, -50%);
}

.calib-card--high { border-color: rgba(232,160,32,0.3); }
.calib-card--med  { border-color: rgba(32,212,192,0.2); }
.calib-card--low  { border-color: var(--border-2); opacity: 0.6; }

.calib-card__score {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.score-val { font-size: 1rem; font-weight: 600; }
.score-val--high { color: var(--amber); }
.score-val--med  { color: var(--teal); }
.score-val--low  { color: var(--text-muted); }

.calib-card__label {
  padding: 0 1rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.calib-legend {
  display: flex;
  gap: 2rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}
.legend-item { display: flex; align-items: center; gap: 0.5rem; }
.legend-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.legend-dot--high { background: var(--amber); }
.legend-dot--med  { background: var(--teal); }
.legend-dot--low  { background: var(--text-muted); }

/* ─── Ethics ───────────────────────────────────────────────── */
.ethics-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.ethics-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-top: 2rem;
}
.ethics-list li {
  display: flex;
  gap: 1rem;
}
.ethics-icon {
  color: var(--teal);
  font-size: 1rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}
.ethics-list strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}
.ethics-list p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }

.ethics-card {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: sticky;
  top: 5rem;
}
.ethics-card__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 0.75rem;
}
.ethics-card__text strong { color: var(--text-primary); }
.ethics-card__divider {
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}
.ethics-card__stat {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-family: var(--font-mono);
}
.stat-num.amber { color: var(--amber); }
.stat-num.teal  { color: var(--teal); }
.stat-label { font-size: 0.82rem; color: var(--text-secondary); }

/* ─── Waitlist ─────────────────────────────────────────────── */
.waitlist { position: relative; overflow: hidden; text-align: center; }
.waitlist__inner { max-width: 580px; margin: 0 auto; position: relative; }
.waitlist__glow {
  position: absolute;
  width: 500px; height: 300px;
  background: radial-gradient(ellipse, var(--amber-glow), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.waitlist__title {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.waitlist__sub {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}
.waitlist__form {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.waitlist__input {
  flex: 1;
  padding: 0.8rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
}
.waitlist__input:focus { border-color: var(--amber); }
.waitlist__input::placeholder { color: var(--text-muted); }
.waitlist__disclaimer { font-size: 0.72rem; }

/* ─── Footer ───────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer__links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer__links a:hover { color: var(--text-primary); }

/* ─── Animations ───────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up--delay  { transition-delay: 0.15s; }

[data-delay="0"] { transition-delay: 0s; }
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero__inner       { grid-template-columns: 1fr; text-align: center; }
  .hero__card-wrap   { display: flex; justify-content: center; }
  .hero__content     { max-width: 100%; }
  .hero__actions     { justify-content: center; }
  .steps-grid        { grid-template-columns: repeat(2, 1fr); }
  .tech-grid         { grid-template-columns: 1fr; }
  .tech-code-panel   { position: static; }
  .ethics-inner      { grid-template-columns: 1fr; gap: 2rem; }
  .ethics-card       { position: static; }
  .calib-grid        { grid-template-columns: repeat(2, 1fr); }
  .problem-grid      { grid-template-columns: 1fr; }
  .problem-card__divider { transform: rotate(90deg); padding: 0.75rem 0; }
}
@media (max-width: 640px) {
  .steps-grid        { grid-template-columns: 1fr; }
  .calib-grid        { grid-template-columns: repeat(2, 1fr); }
  .waitlist__form    { flex-direction: column; }
  .calib-legend      { flex-direction: column; gap: 0.75rem; }
  .footer__inner     { flex-direction: column; text-align: center; }
}