@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Syne:wght@600;700;800&display=swap");

/* Partner landing — partner.auroragpt.ru */
:root {
  --bg: #060612;
  --bg-card: #12121c;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f0f0ff;
  --muted: #8888aa;
  --accent: #8b5cf6;
  --accent-dim: #7c3aed;
  --green: #34d399;
  --warm: #f59e0b;
  --radius: 14px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Syne", "Inter", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  mix-blend-mode: overlay;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--accent-dim);
  color: #fff;
}
.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 15, 0.85);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 100vw;
  margin: 0 auto;
  width: 100%;
  padding: 0.85rem max(1rem, env(safe-area-inset-left, 0px));
  padding-right: max(1rem, env(safe-area-inset-right, 0px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
@media (min-width: 768px) {
  .header-inner {
    width: 90%;
    max-width: 90%;
    padding-left: 0;
    padding-right: 0;
    align-self: center;
  }
}

.header-cta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  color: var(--text);
}
.logo span {
  color: var(--accent);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  align-items: center;
}
.nav a {
  color: var(--muted);
  font-size: 0.9rem;
}
.nav a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.15rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}
.btn-primary {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff;
  box-shadow: 0 0 40px rgba(245, 158, 11, 0.35);
}
.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 0 60px rgba(245, 158, 11, 0.5);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

main {
  overflow-x: hidden;
}

.section {
  max-width: 100vw;
  margin: 0 auto;
  width: 100%;
  padding: 3.5rem max(1rem, env(safe-area-inset-left, 0px));
  padding-right: max(1rem, env(safe-area-inset-right, 0px));
}
@media (min-width: 768px) {
  .section {
    width: 90%;
    max-width: 90%;
    padding-left: 0;
    padding-right: 0;
    align-self: center;
  }
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 0 0 0.75rem;
}

.section-lead {
  color: var(--muted);
  max-width: 62ch;
  margin: 0 0 1.75rem;
}

/* Hero */
.hero {
  padding-top: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(139, 92, 246, 0.18), transparent 50%),
    radial-gradient(ellipse 60% 50% at 80% 0%, rgba(14, 165, 233, 0.12), transparent 45%),
    radial-gradient(ellipse 50% 40% at 70% 80%, rgba(245, 158, 11, 0.08), transparent 50%);
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}
@media (min-width: 880px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.hero-grid--proxy {
  align-items: start;
}

.hero-copy {
  min-width: 0;
}

.hero-tagline {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #c4b5fd;
}

.hero-sub--wide {
  max-width: 58ch;
}

.grad-text {
  background-image: linear-gradient(125deg, #a78bfa, #f59e0b);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-cta--row {
  flex-direction: row;
  align-items: center;
}

.btn-lg {
  padding: 0.8rem 1.35rem;
  font-size: 1rem;
}

.promo-banner {
  margin: 1rem 0 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(245, 158, 11, 0.35);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(239, 68, 68, 0.08));
  color: #fde68a;
  font-size: 0.9rem;
}

.promo-banner strong {
  color: #fff;
}

.legal-micro {
  max-width: 62ch;
}

.login-hint a {
  color: #c4b5fd;
  font-weight: 600;
}

.hero-side {
  min-width: 0;
  align-self: start;
  width: 100%;
}

.hero-visual--tight {
  height: auto;
  display: flex;
  flex-direction: column;
}

.side-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
}

.side-lead {
  margin: 0 0 0.75rem;
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--muted);
}

.side-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 0.85rem;
}

.side-pill {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(167, 139, 250, 0.35);
  background: rgba(139, 92, 246, 0.12);
  color: #ddd6fe;
}

.side-foot {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: #a5a5c0;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  background: rgba(6, 6, 18, 0.35);
}

.side-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.side-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}

.side-list strong {
  color: #9df3c5;
  font-family: var(--font-display);
}

.flow--compact {
  margin-top: 0;
}

.section--tight-top {
  padding-top: 2rem;
}

.section-eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a78bfa;
}

.section-title--proxy {
  font-size: clamp(1.55rem, 3.8vw, 2.35rem);
}

.section-lead--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.offer-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-bottom: 1.5rem;
}
@media (min-width: 720px) {
  .offer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.offer-card {
  background: linear-gradient(180deg, rgba(18, 18, 28, 0.95), rgba(10, 10, 18, 0.9));
  border: 1px solid rgba(167, 139, 250, 0.22);
  border-radius: var(--radius);
  padding: 1.25rem 1.2rem;
}

.offer-huge {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: #f0f0ff;
}

.offer-label {
  margin: 0 0 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: #e9e4ff;
}

.offer-hint {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

.bundle-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 800px) {
  .bundle-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.bundle-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
}

.bundle-h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
}

.bundle-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.bundle-list li {
  margin-bottom: 0.4rem;
}

.calc-card--wide {
  max-width: 720px;
}

.calc-subtitle {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
}

.calc-grid--simple {
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.calc-label-out {
  margin: 0 0 0.25rem;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
}

.calc-out--big {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #9df3c5;
  margin: 0 0 0.5rem;
}

.steps-four {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: 1rem;
}
@media (min-width: 800px) {
  .steps-four {
    grid-template-columns: repeat(2, 1fr);
  }
}

.steps-four li {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.1rem 1.1rem 3.25rem;
}

.step-num {
  position: absolute;
  left: 1rem;
  top: 1rem;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  background: linear-gradient(135deg, #7c3aed, #0ea5e9);
  color: #fff;
}

.steps-four h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
}

.steps-four p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}

.one-account {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid rgba(14, 165, 233, 0.25);
  background: rgba(14, 165, 233, 0.06);
}

.one-account-icon {
  margin: 0;
  font-size: 1.5rem;
  color: #22d3ee;
  line-height: 1;
}

.one-account-title {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
}

.one-account-text {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.one-account-flow {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #a5f3fc;
}

.section-final {
  padding-bottom: 4rem;
}

.final-row {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.form-wrap--wide {
  max-width: 560px;
  margin: 0 auto;
}

.form-intro {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero h1,
.hero-mega {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.6vw, 2.85rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 1.08;
  margin: 0 0 1rem;
}

.hero-kicker {
  margin: 0 0 0.65rem;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a78bfa;
  font-weight: 700;
}

.hero-sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 52ch;
  margin: 0 0 1.25rem;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.35rem;
}

.badge {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--muted);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.5rem;
}

.micro {
  font-size: 0.82rem;
  color: var(--muted);
}

.hero-visual-note {
  margin-top: 1rem;
  margin-bottom: 0;
  text-align: center;
}

.hero-money-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
  gap: 0.65rem;
  margin: 0.85rem 0 1.25rem;
}

.money-item {
  background: linear-gradient(180deg, rgba(167, 139, 250, 0.14), rgba(10, 10, 18, 0.95));
  border: 1px solid rgba(167, 139, 250, 0.25);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
}

.money-label {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.money-item strong {
  font-family: var(--font-display);
  font-size: 1rem;
  color: #f0ebff;
}

.section-actions {
  margin-top: 1.5rem;
}

.steps-list {
  margin: 0;
  padding-left: 1.35rem;
  max-width: 62ch;
  color: var(--muted);
}
.steps-list li {
  margin-bottom: 1rem;
}
.steps-list li strong {
  color: var(--text);
}

.calc-card {
  max-width: 640px;
}

.details-pro {
  max-width: 100vw;
  margin: 0 auto 0;
  width: 100%;
  padding: 0 max(1rem, env(safe-area-inset-left, 0px)) 2rem;
  padding-right: max(1rem, env(safe-area-inset-right, 0px));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}
@media (min-width: 768px) {
  .details-pro {
    width: 90%;
    max-width: 90%;
    padding-left: 0;
    padding-right: 0;
    align-self: center;
  }
}
.details-pro summary {
  font-weight: 700;
  font-size: 1rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  color: var(--accent);
}
.details-pro summary::-webkit-details-marker {
  display: none;
}
.details-pro-body {
  padding: 0 1.15rem 1.15rem;
  border-top: 1px solid var(--border);
}
.details-pro-body > p:first-child {
  color: var(--muted);
  font-size: 0.95rem;
}

.apply-footnote {
  margin-top: 1rem;
}

.hero-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.28), rgba(167, 139, 250, 0));
  top: -130px;
  right: -120px;
  pointer-events: none;
}

.flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
  text-align: center;
}

.flow-step {
  flex: 1;
  min-width: 72px;
  padding: 0.75rem;
  border-radius: 10px;
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.2);
  font-size: 0.8rem;
  font-weight: 600;
}

.flow-arrow {
  color: var(--muted);
  font-size: 1.2rem;
}

.hero-proof-cards {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}
@media (min-width: 600px) {
  .hero-proof-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.proof-mini {
  margin: 0;
  padding: 0.65rem 0.75rem;
  background: rgba(10, 10, 15, 0.75);
  border: 1px solid rgba(167, 139, 250, 0.22);
  border-radius: 10px;
}

.proof-mini-title {
  margin: 0;
  font-size: 0.73rem;
  color: var(--muted);
}

.proof-mini-value {
  margin: 0.2rem 0 0.15rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: #c4f7d9;
}

.proof-mini-note {
  margin: 0;
  font-size: 0.73rem;
  color: #a9abb7;
}

/* Cards grid */
.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
}

.card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 700;
}

.card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

/* Tabs */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tab {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}
.tab:hover {
  color: var(--text);
  border-color: var(--accent);
}
.tab[aria-selected="true"] {
  background: rgba(124, 58, 237, 0.35);
  border-color: var(--accent);
  color: var(--text);
}

.tab-panel {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}
.tab-panel.active {
  display: block;
}
.tab-panel ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}
.tab-panel li {
  margin-bottom: 0.45rem;
}

/* Cases */
.case-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 720px) {
  .case-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem;
}
.case .tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--green);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.case h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}
.case p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.proof-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 760px) {
  .proof-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.proof-card {
  background: linear-gradient(180deg, rgba(18, 18, 26, 1), rgba(18, 18, 26, 0.75));
  border: 1px solid rgba(167, 139, 250, 0.25);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.proof-badge {
  margin: 0 0 0.55rem;
  color: #beacff;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.proof-card h3 {
  margin: 0 0 0.45rem;
  font-size: 0.98rem;
}

.proof-money {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 800;
  color: #9df3c5;
}

.proof-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.live-tape {
  margin-top: 1rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid rgba(157, 243, 197, 0.24);
  border-radius: 999px;
  color: #b2f5d4;
  font-size: 0.84rem;
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  align-items: center;
}

/* List block */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}
.checklist li {
  padding: 0.45rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--muted);
  font-size: 0.95rem;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 800;
}

/* Form */
.form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 520px;
}

.form-wrap label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.form-wrap input,
.form-wrap select,
.form-wrap textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.form-wrap textarea {
  min-height: 88px;
  resize: vertical;
}

.form-status {
  font-size: 0.88rem;
  margin-top: 0.75rem;
  padding: 0.65rem;
  border-radius: 8px;
  display: none;
}
.form-status.visible {
  display: block;
}
.form-status.ok {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: var(--green);
}
.form-status.err {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: #fca5a5;
}

/* FAQ */
details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 0.5rem;
  padding: 0.65rem 1rem;
}
details summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
details summary::-webkit-details-marker {
  display: none;
}
details[open] summary {
  margin-bottom: 0.5rem;
  color: var(--accent);
}
details p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Calculator */
.calc-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  align-items: end;
  margin-bottom: 1rem;
}
.calc-out {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.25rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer a {
  color: var(--muted);
}

.disclaimer {
  font-size: 0.78rem;
  color: var(--muted);
  opacity: 0.85;
  margin-top: 1rem;
  max-width: 70ch;
}