:root {
  --background: #f4f7fa;
  --foreground: #1b1f24;
  --navy: #0a2342;
  --navy-2: #123b6d;
  --action: #0e4da4;
  --green: #2f8f3a;
  --surface: #eef3f8;
  --border: #d9e1ea;
  --muted: #475569;
  --danger: #be123c;
  --warning: #b45309;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-900: #0f172a;
  --shadow: 0 18px 45px -36px rgba(10, 35, 66, 0.7);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--foreground);
  font-family: Inter, "Source Sans 3", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 1000;
  background: #fff;
  color: var(--navy);
  padding: 10px 14px;
  border-radius: 8px;
}
.skip-link:focus { top: 16px; }

.site-shell { width: min(1280px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,.1);
  background: rgba(10,35,66,.95);
  backdrop-filter: blur(14px);
}
.site-header .site-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}
.logo {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  color: var(--navy);
}
.logo img { width: 240px; height: auto; max-width: 100%; object-fit: contain; }
.logo--inverse { color: #fff; }
.site-nav, .site-actions, .button-row, .intro-actions, .table-tools, .portal-header__tools {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.site-nav a {
  color: rgba(255,255,255,.85);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 10px;
}
.site-nav a:hover { color: #fff; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1;
  transition: .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-action { background: var(--action); border-color: var(--action); color: #fff; }
.btn-action:hover { background: #0b3f86; border-color: #0b3f86; }
.btn-success { background: var(--green); border-color: var(--green); color: #fff; }
.btn-success:hover { background: #267630; border-color: #267630; }
.btn-outline { background: #fff; border-color: var(--border); color: var(--navy); }
.btn-outline:hover { border-color: var(--navy); background: var(--slate-50); }
.site-header .btn-outline {
  border-color: rgba(255,255,255,.15);
  background: rgba(255,255,255,.05);
  color: #fff;
}
.site-header .btn-outline:hover { background: rgba(255,255,255,.1); }
.site-header .btn-action {
  border-color: rgba(255,255,255,.1);
  background: rgba(255,255,255,.1);
  color: #fff;
}
.site-header .btn-action:hover {
  border-color: rgba(255,255,255,.1);
  background: rgba(255,255,255,.15);
}
.btn-sm { min-height: 34px; padding: 8px 10px; font-size: 12px; }

.hero {
  position: relative;
  min-height: 640px;
  display: grid;
  place-items: center;
  overflow: hidden;
  text-align: center;
}
.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.03) contrast(1.02);
  transform: scale(1.015);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,35,66,.42) 0%, rgba(10,35,66,.18) 24%, rgba(10,35,66,.05) 46%, rgba(10,35,66,.12) 100%), linear-gradient(180deg, rgba(10,18,32,.1) 0%, rgba(10,18,32,.2) 100%);
}
.hero-content {
  position: relative;
  width: min(920px, calc(100% - 32px));
  padding: 80px 0 176px;
  color: #fff;
}
.hero h1 {
  margin: 24px auto 0;
  font-size: clamp(2.4rem, 7vw, 4.15rem);
  line-height: 1.04;
  letter-spacing: 0;
}
.hero p { margin: 22px auto 0; max-width: 760px; font-size: clamp(1.05rem, 2.4vw, 1.35rem); color: rgba(255,255,255,.84); }
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-actions .btn { min-width: 190px; min-height: 52px; }
.hero-cards {
  position: relative;
  z-index: 2;
  width: min(1280px, calc(100% - 32px));
  margin: -112px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.hero-cards .card {
  border-color: rgba(226,232,240,.9);
  border-radius: 18px;
  background: rgba(255,255,255,.95);
  box-shadow: 0 18px 35px -24px rgba(10,35,66,.85);
  backdrop-filter: blur(4px);
}

.section { padding: 88px 0; }
.band { padding: 64px 0; }
.section-muted { background: var(--surface); }
.band-navy { background: var(--navy); color: #fff; }
.band-navy .section-heading p { color: rgba(239,246,255,.8); }
.band-navy .card {
  border-color: rgba(255,255,255,.1);
  background: rgba(255,255,255,.08);
  box-shadow: none;
  color: #fff;
}
.band-navy .card h2, .band-navy .card h3 { color: #fff; }
.band-navy .card p { color: rgba(239,246,255,.76); }
.band-navy .signal-grid p { color: rgba(255,255,255,.7); }
.signal-grid, .stats-grid, .card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 24px 0; }
.card-grid { margin-top: 24px; }
.two-col, .two-col-wide {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 24px;
  margin-top: 24px;
}
.two-col-wide { grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); }
.narrow { max-width: 760px; }
.stack { display: grid; gap: 14px; }
.mt { margin-top: 24px; }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 24px;
}
.card h1, .card h2, .card h3 { color: var(--navy); margin: 0 0 10px; line-height: 1.15; }
.card h1 { font-size: clamp(2rem, 5vw, 3rem); }
.card h2 { font-size: clamp(1.35rem, 3vw, 1.75rem); }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--slate-600); line-height: 1.65; }
.dashed { border-style: dashed; }
.center-card { text-align: center; }
.media-card { overflow: hidden; padding: 0; background: var(--navy); color: #fff; }
.media-card .card-media { width: 100%; height: 260px; object-fit: cover; opacity: .84; }
.media-card h2, .media-card p { color: #fff; padding-left: 24px; padding-right: 24px; }
.media-card p { padding-bottom: 24px; }
.cta-card { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

.page-intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 24px;
}
.page-intro h1 {
  margin: 8px 0 12px;
  max-width: 880px;
  color: var(--navy);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  line-height: 1.12;
  letter-spacing: 0;
}
.page-intro p { max-width: 820px; color: var(--slate-600); line-height: 1.75; }
.section-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}
.section-heading h2 {
  margin: 0;
  max-width: 820px;
  color: var(--navy);
  font-size: clamp(1.875rem, 4vw, 2.25rem);
  line-height: 1.12;
}
.section-heading p {
  margin: 0;
  max-width: 768px;
  color: var(--slate-600);
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.75;
}
.section-heading--light h2 { color: #fff; }
.section-heading--light p { color: rgba(239,246,255,.8); }
.section-heading--light .eyebrow { color: rgba(219,234,254,.8); }
.eyebrow {
  margin: 0;
  color: var(--action);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .22em;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.badge, .secure-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .16em;
}
.secure-chip {
  gap: 8px;
  border-color: #a7f3d0;
  background: #ecfdf5;
  color: #065f46;
  letter-spacing: .18em;
}
.secure-chip--inverse { color: #fff; background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); }
.portal-sidebar .secure-chip--inverse {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.1);
}
.auth-hero .secure-chip--inverse {
  padding: 8px 16px;
  border-color: rgba(255,255,255,.15);
  background: rgba(255,255,255,.1);
  letter-spacing: .2em;
}
.badge-navy { color: var(--navy); background: rgba(10,35,66,.1); border-color: rgba(10,35,66,.2); }
.badge-success { color: #047857; background: #ecfdf5; border-color: #a7f3d0; }
.badge-pending { color: #1d4ed8; background: #eff6ff; border-color: #bfdbfe; }
.badge-warning { color: #b45309; background: #fffbeb; border-color: #fde68a; }
.badge-danger { color: #be123c; background: #fff1f2; border-color: #fecdd3; }
.badge-info { color: #1d4ed8; background: #eff6ff; border-color: #bfdbfe; }
.badge-neutral { color: var(--slate-700); background: var(--slate-100); border-color: var(--border); }

.stat-card { min-height: 164px; }
.stat-label {
  margin: 0;
  color: var(--slate-500);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.stat-value {
  display: block;
  margin-top: 14px;
  color: var(--navy);
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1;
}
.stat-detail { margin-bottom: 0; font-size: 14px; }

.timeline, .mini-timeline { display: grid; gap: 18px; margin-top: 24px; }
.timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.timeline div, .mini-timeline div {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
}
.timeline span, .mini-timeline span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font-weight: 900;
}

.auth-layout { display: grid; min-height: 100vh; grid-template-columns: 1.08fr .92fr; }
.auth-hero { position: relative; overflow: hidden; color: #fff; }
.auth-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(1.03) contrast(1.02); transform: scale(1.02); }
.auth-hero__overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,35,66,.58) 0%, rgba(10,35,66,.28) 24%, rgba(10,35,66,.12) 48%, rgba(10,35,66,.22) 100%), linear-gradient(180deg, rgba(10,35,66,.22) 0%, rgba(10,35,66,.34) 100%); }
.auth-hero__content {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px;
}
.auth-hero h1 { max-width: 660px; font-size: clamp(2.6rem, 5vw, 4rem); line-height: 1.04; }
.auth-hero p, .auth-hero li { color: rgba(255,255,255,.8); line-height: 1.7; }
.auth-hero li { color: rgba(255,255,255,.78); }
.session-note {
  margin: 0;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  background: rgba(255,255,255,.08);
  padding: 16px;
  color: rgba(255,255,255,.76);
  font-size: 14px;
}
.auth-panel { display: grid; place-items: center; padding: 40px 20px; }
.auth-panel__inner { width: min(560px, 100%); }
.auth-card { border-radius: 24px; padding: clamp(24px, 5vw, 40px); }
.split-links { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-top: 20px; color: var(--action); font-weight: 800; }

.portal-layout { display: flex; min-height: 100vh; }
.portal-sidebar {
  width: 320px;
  flex: 0 0 320px;
  background: var(--navy);
  color: #fff;
}
.portal-sidebar__inner {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 24px;
}
.signed-in, .sidebar-note {
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.05);
  border-radius: 16px;
  padding: 14px;
  color: rgba(255,255,255,.8);
  font-size: 14px;
  line-height: 1.55;
}
.portal-nav { display: grid; gap: 22px; }
.portal-nav__section h3 {
  margin: 0 0 8px;
  color: rgba(255,255,255,.55);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .22em;
}
.portal-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-radius: 12px;
  padding: 10px 12px;
  color: rgba(255,255,255,.78);
  font-size: 14px;
  font-weight: 500;
}
.portal-nav a:hover, .portal-nav a.active { background: rgba(255,255,255,.1); color: #fff; }
.portal-main { min-width: 0; flex: 1; }
.portal-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(244,247,250,.95);
  backdrop-filter: blur(12px);
  padding: 18px 28px;
}
.portal-header p { margin: 0 0 4px; color: var(--action); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .2em; }
.portal-header h1 { margin: 0; color: var(--navy); font-size: clamp(1.25rem, 3vw, 1.8rem); }
.portal-header span { color: var(--slate-500); font-size: 14px; }
.portal-content { padding: 28px; }
.session-warning {
  margin-bottom: 24px;
  border: 1px solid #bfdbfe;
  background: #eff6ff;
  color: #1e3a8a;
  border-radius: 16px;
  padding: 12px 14px;
  font-size: 14px;
}

.input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--slate-900);
  padding: 10px 12px;
}
textarea.input { min-height: 100px; resize: vertical; }
label { display: grid; gap: 7px; color: var(--navy); font-size: 14px; font-weight: 600; }
.form { display: grid; gap: 16px; margin-top: 18px; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.span-2 { grid-column: 1 / -1; }
.form-message { margin: 0; color: var(--danger); font-weight: 700; }
.form-message.success { color: #067647; }
.check-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid var(--border);
  background: var(--slate-50);
  border-radius: 16px;
  padding: 12px;
  color: var(--slate-700);
  font-weight: 600;
}
.check-row input { margin-top: 3px; }
.field-action { display: flex; align-items: end; }
.verify-result { font-size: 14px; color: var(--muted); }
.verify-result.success { color: #067647; }
.verify-result.error { color: var(--danger); }

.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.choice-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  padding: 22px;
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.choice-card.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.choice-card h2 { color: inherit; }
.choice-card p { color: inherit; opacity: .78; line-height: 1.6; }
.path-panel { display: none; margin-top: 18px; }
.path-panel.active { display: grid; gap: 16px; }
.billing-summary {
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--slate-50);
  padding: 16px;
}
.billing-summary h3 { margin: 0 0 8px; color: var(--navy); }
.billing-summary p { margin-top: 0; color: var(--slate-600); }
.billing-summary dl, .kv-list {
  display: grid;
  gap: 8px;
  margin: 0;
}
.billing-summary dl div, .kv-list div, .example-result dl div { display: contents; }
.billing-summary dt, .kv-list dt {
  color: var(--slate-500);
  font-weight: 600;
}
.billing-summary dd, .kv-list dd {
  margin: 0;
  color: var(--navy);
  text-align: right;
  font-weight: 600;
}
.billing-summary dl, .kv-list { grid-template-columns: 1fr auto; }

.bullet-list, .bullet-grid {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}
.bullet-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bullet-list div, .bullet-grid div {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--slate-50);
  padding: 12px;
  color: var(--slate-700);
  line-height: 1.55;
}
.widget-head, .record-head, .table-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}
.widget-head h2, .table-head h2 { margin: 0 0 6px; }
.widget-head p, .table-head p { margin: 0; }
.widget-body { margin-top: 18px; }
.note {
  border: 1px solid var(--border);
  background: var(--slate-50);
  border-radius: 16px;
  padding: 12px;
  color: var(--slate-600);
}
.mini-grid .kv-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}
.mini-grid .kv-list div {
  display: grid;
  gap: 4px;
  background: var(--slate-50);
  border-radius: 12px;
  padding: 10px;
}
.mini-grid .kv-list dt, .mini-grid .kv-list dd { text-align: left; }

.table-card { padding: 0; overflow: hidden; }
.table-head { padding: 20px; border-bottom: 1px solid var(--slate-100); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
thead { background: var(--slate-50); color: var(--slate-500); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .18em; }
th, td { padding: 14px 18px; border-top: 1px solid var(--slate-100); vertical-align: top; }
td { color: var(--slate-700); }
tbody tr[hidden] { display: none; }
.table-link { color: var(--action); font-weight: 600; }
.table-link:hover { color: var(--navy); }
.table-foot { border-top: 1px solid var(--slate-100); padding: 14px 20px; color: var(--slate-600); font-size: 14px; }

.tabs { display: grid; gap: 14px; }
.tab-list {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  padding: 4px;
}
.tab-trigger {
  border: 1px solid transparent;
  background: transparent;
  color: var(--slate-600);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.tab-trigger.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.upload-zone {
  display: grid;
  gap: 10px;
  border: 1px dashed var(--border);
  background: var(--slate-50);
  border-radius: 16px;
  padding: 22px;
}
.success-panel {
  border: 1px solid #a7f3d0;
  background: #ecfdf5;
  color: #064e3b;
  border-radius: 16px;
  padding: 14px;
}
.chat { display: grid; gap: 12px; }
.chat p {
  margin: 0;
  border-radius: 16px;
  background: var(--slate-50);
  color: var(--slate-700);
  padding: 14px;
}
.chat p:nth-child(2n) { background: var(--navy); color: #fff; }
.example-result {
  margin-top: 18px;
  border: 1px solid var(--border);
  background: var(--slate-50);
  border-radius: 16px;
  padding: 16px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr;
  gap: 28px;
  padding: 44px 0;
}
.site-footer {
  background: linear-gradient(180deg, rgba(11,34,66,1) 0%, rgba(18,59,109,1) 100%);
  color: #fff;
}
.site-footer p { display: block; color: rgba(255,255,255,.7); font-size: 14px; line-height: 1.75; }
.site-footer a { display: block; color: rgba(255,255,255,.8); font-size: 14px; line-height: 1.7; }
.site-footer a:hover { color: #fff; }
.site-footer h3 {
  margin: 0 0 10px;
  color: rgba(255,255,255,.65);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .2em;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 16px 0 24px;
  color: rgba(255,255,255,.65);
  font-size: 14px;
}
#toast-root {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 2000;
  display: grid;
  gap: 10px;
  width: min(360px, calc(100% - 36px));
}
.toast {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--foreground);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 14px;
}
.toast strong { display: block; color: var(--navy); margin-bottom: 4px; }
.toast p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.45; }

@media (max-width: 1100px) {
  .site-nav { display: none; }
  .auth-layout { grid-template-columns: 1fr; }
  .auth-hero { display: none; }
  .portal-sidebar { display: none; }
  .portal-header { position: static; flex-direction: column; }
  .portal-content { padding: 20px; }
  .stats-grid, .hero-cards, .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-col, .two-col-wide { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-header .site-shell, .page-intro, .table-head, .widget-head, .record-head, .cta-card { align-items: stretch; flex-direction: column; }
  .site-actions { width: 100%; }
  .site-actions .btn, .hero-actions .btn, .button-row .btn { width: 100%; }
  .hero { min-height: 560px; }
  .hero-content { padding-bottom: 112px; }
  .hero-cards, .stats-grid, .signal-grid, .card-grid, .choice-grid, .form-grid, .footer-grid, .bullet-grid, .mini-grid .kv-list { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .section { padding: 48px 0; }
  .card { padding: 18px; }
  th, td { padding: 12px; }
}