/* ==========================================================================
   Data Scientist Agent 2.0 — stylesheet

   One file, organised top to bottom: tokens, base elements, layout, then
   components in the order they appear in the product (nav, hero, upload,
   progress, dashboard, report).
   ========================================================================== */

:root {
  /* surfaces */
  --plane:            #f7f7f5;
  --surface:          #ffffff;
  --surface-sunken:   #fbfbfa;
  --surface-inverse:  #101423;

  /* ink */
  --ink:              #0b0b0b;
  --ink-secondary:    #52514e;
  --ink-muted:        #898781;
  --ink-inverse:      #ffffff;

  /* brand + series */
  --brand:            #2a78d6;
  --brand-dark:       #256abf;
  --brand-deep:       #184f95;
  --brand-wash:       #eef4fd;
  --series-2:         #eb6834;
  --series-3:         #1baf7a;
  --series-7:         #4a3aa7;

  /* status */
  --good:             #0ca30c;
  --good-wash:        #eaf7ea;
  --warning:          #fab219;
  --warning-wash:     #fdf4e2;
  --serious:          #ec835a;
  --critical:         #d03b3b;
  --critical-wash:    #fceceb;

  /* lines */
  --line:             rgba(11, 11, 11, 0.09);
  --line-strong:      rgba(11, 11, 11, 0.16);

  /* shape */
  --radius-sm:        8px;
  --radius:           14px;
  --radius-lg:        20px;
  --shadow-sm:        0 1px 2px rgba(11, 11, 11, 0.05);
  --shadow:           0 2px 8px rgba(11, 11, 11, 0.06), 0 1px 2px rgba(11, 11, 11, 0.04);
  --shadow-lg:        0 12px 32px rgba(11, 11, 11, 0.10), 0 2px 8px rgba(11, 11, 11, 0.05);

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--plane);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.25; font-weight: 650; letter-spacing: -0.015em; }
h1 { font-size: 2.1rem; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.1rem; }
h4 { font-size: .95rem; }
p  { margin: 0 0 1em; }
a  { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

code, .mono { font-family: var(--mono); font-size: .87em; }

code {
  background: var(--brand-wash);
  color: var(--brand-deep);
  padding: .1em .38em;
  border-radius: 5px;
}

.muted   { color: var(--ink-muted); }
.second  { color: var(--ink-secondary); }
.small   { font-size: .86rem; }
.tiny    { font-size: .78rem; }
.center  { text-align: center; }
.nowrap  { white-space: nowrap; }
.tabular { font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------- layout -- */

.wrap      { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap-tight{ max-width: 820px;  margin: 0 auto; padding: 0 24px; }
.section   { padding-block: 56px; }
.section-tight { padding-block: 32px; }

/* align-items: start stops a short card being stretched to match a tall
   neighbour, which otherwise leaves a block of dead space inside it. */
.grid { display: grid; gap: 20px; align-items: start; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row-between { display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap; }

/* ------------------------------------------------------------------ nav -- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 650; }
.brand:hover { text-decoration: none; }
.brand-mark { display: flex; }
.brand-text { letter-spacing: -0.02em; }
.brand-version { color: var(--brand); }

.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--ink-secondary); font-size: .92rem; font-weight: 500; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links .btn { color: #fff; }

/* --------------------------------------------------------------- button -- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: .94rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--brand-dark); box-shadow: var(--shadow); }

.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--surface-sunken); }

.btn-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.28); }
.btn-light:hover { background: rgba(255,255,255,.2); }

.btn-sm { padding: 8px 14px; font-size: .87rem; }
.btn-lg { padding: 14px 26px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* ----------------------------------------------------------------- card -- */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}
.card-flush { padding: 0; overflow: hidden; }
.card-head {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-head h3 { margin: 0; }
.card-body { padding: 22px; }

.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 1.05rem;
  font-weight: 650;
}
.card-title svg { color: var(--brand); flex: none; }

/* ---------------------------------------------------------------- badge -- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: .76rem;
  font-weight: 650;
  letter-spacing: .01em;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-neutral  { background: var(--surface-sunken); color: var(--ink-secondary); border-color: var(--line); }
.badge-brand    { background: var(--brand-wash); color: var(--brand-deep); border-color: rgba(42,120,214,.22); }
.badge-good     { background: var(--good-wash); color: #0a7a0a; border-color: rgba(12,163,12,.24); }
.badge-warning  { background: var(--warning-wash); color: #8a5c00; border-color: rgba(250,178,25,.34); }
.badge-critical { background: var(--critical-wash); color: #a82c2c; border-color: rgba(208,59,59,.24); }

/* ----------------------------------------------------------------- hero -- */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 460px at 82% -8%, rgba(74, 58, 167, .55), transparent 62%),
    radial-gradient(760px 380px at 8% 8%, rgba(42, 120, 214, .42), transparent 60%),
    linear-gradient(168deg, #0d1226 0%, #141a33 52%, #101423 100%);
  color: var(--ink-inverse);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(800px 440px at 50% 0%, #000 10%, transparent 78%);
  pointer-events: none;
}

.hero-inner { position: relative; z-index: 1; padding-block: 84px 76px; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  font-size: .8rem;
  font-weight: 600;
  color: rgba(255,255,255,.92);
  margin-bottom: 22px;
}
.hero-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 3px rgba(74,222,128,.22);
}

.hero h1 {
  font-size: clamp(2.3rem, 5.4vw, 3.7rem);
  line-height: 1.08;
  letter-spacing: -0.032em;
  max-width: 16ch;
  margin-bottom: 20px;
}
.hero h1 .accent {
  background: linear-gradient(96deg, #7db4ff, #b9a6ff 62%, #ffffff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lede {
  font-size: 1.12rem;
  color: rgba(255,255,255,.76);
  max-width: 58ch;
  margin-bottom: 30px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 42px; }

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-stat-value { font-size: 1.55rem; font-weight: 680; letter-spacing: -0.02em; }
.hero-stat-label { font-size: .82rem; color: rgba(255,255,255,.6); }

/* ------------------------------------------------------------- workflow -- */

.flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  padding: 4px;
}

.flow-step {
  flex: 1 0 auto;
  min-width: 108px;
  text-align: center;
  position: relative;
  padding: 16px 10px;
}
.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 34px;
  right: -8px;
  width: 16px;
  height: 2px;
  background: var(--line-strong);
}
.flow-num {
  width: 34px; height: 34px;
  margin: 0 auto 10px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--brand-wash);
  color: var(--brand-deep);
  font-weight: 700;
  font-size: .85rem;
  border: 1px solid rgba(42,120,214,.2);
}
.flow-label { font-size: .8rem; font-weight: 620; letter-spacing: .02em; text-transform: uppercase; }
.flow-desc { font-size: .76rem; color: var(--ink-muted); margin-top: 3px; }

/* ------------------------------------------------------------ stat tile -- */

.tile {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.tile-label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 6px;
}
.tile-value { font-size: 1.85rem; font-weight: 680; letter-spacing: -0.028em; line-height: 1.15; }
.tile-value.small-value { font-size: 1.25rem; }
.tile-sub { font-size: .82rem; color: var(--ink-muted); margin-top: 4px; }

/* -------------------------------------------------------------- upload -- */

.upload-shell { max-width: 840px; margin: 0 auto; }

.drop {
  position: relative;
  border: 2px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-sunken);
  padding: 40px 24px;
  text-align: center;
  transition: border-color .15s ease, background .15s ease;
  cursor: pointer;
}
.drop:hover, .drop.is-hover { border-color: var(--brand); background: var(--brand-wash); }
.drop input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop-icon { color: var(--brand); margin-bottom: 12px; }
.drop-title { font-weight: 650; margin-bottom: 4px; }
.drop-hint { font-size: .85rem; color: var(--ink-muted); }
.drop-file {
  display: none;
  margin-top: 14px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: .88rem;
  text-align: left;
}
.drop-file.is-visible { display: block; }

label.field-label {
  display: block;
  font-weight: 620;
  margin-bottom: 6px;
  font-size: .92rem;
}
.field-help { font-size: .84rem; color: var(--ink-muted); margin-bottom: 10px; }

textarea, input[type="text"], input[type="email"], input[type="password"], select {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: .95rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
textarea:focus, input:focus, select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(42,120,214,.16);
}
textarea { min-height: 110px; resize: vertical; line-height: 1.55; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  font-size: .82rem;
  color: var(--ink-secondary);
  cursor: pointer;
  transition: all .12s ease;
}
.chip:hover { border-color: var(--brand); color: var(--brand-deep); background: var(--brand-wash); }

/* --------------------------------------------------------------- alert -- */

.alert {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid;
  font-size: .9rem;
  margin-bottom: 20px;
}
.alert svg { flex: none; margin-top: 2px; }
.alert-error   { background: var(--critical-wash); border-color: rgba(208,59,59,.26); color: #8f2626; }
.alert-warning { background: var(--warning-wash); border-color: rgba(250,178,25,.34); color: #7a5100; }
.alert-info    { background: var(--brand-wash); border-color: rgba(42,120,214,.22); color: var(--brand-deep); }

/* ------------------------------------------------------------ progress -- */

.progress-shell { max-width: 780px; margin: 0 auto; }

.progress-bar {
  height: 8px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
  margin: 18px 0 6px;
}
.progress-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--series-7));
  transition: width .45s cubic-bezier(.4, 0, .2, 1);
}

.steps { list-style: none; margin: 0; padding: 0; }

.step {
  display: flex;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: none; }

.step-icon {
  flex: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface-sunken);
  border: 1px solid var(--line-strong);
  color: var(--ink-muted);
  margin-top: 1px;
}
.step-label { font-weight: 580; font-size: .94rem; }
.step-detail { font-size: .84rem; color: var(--ink-muted); margin-top: 2px; }

.step.is-done    .step-icon { background: var(--good-wash); border-color: rgba(12,163,12,.3); color: #0a7a0a; }
.step.is-done    .step-label { color: var(--ink); }
.step.is-running .step-icon { background: var(--brand-wash); border-color: var(--brand); color: var(--brand); }
.step.is-running .step-label { color: var(--brand-deep); font-weight: 650; }
.step.is-failed  .step-icon { background: var(--critical-wash); border-color: rgba(208,59,59,.32); color: var(--critical); }
.step.is-skipped .step-label,
.step.is-pending .step-label { color: var(--ink-muted); font-weight: 500; }

.spinner {
  width: 13px; height: 13px;
  border: 2px solid rgba(42,120,214,.28);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ------------------------------------------------------------ dashboard -- */

.dash-header {
  background: linear-gradient(168deg, #0d1226, #141a33);
  color: #fff;
  padding-block: 36px 32px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.dash-header h1 { font-size: 1.75rem; margin-bottom: 6px; }
.dash-objective {
  font-size: 1.02rem;
  color: rgba(255,255,255,.82);
  border-left: 3px solid var(--brand);
  padding-left: 14px;
  margin: 14px 0 20px;
  max-width: 70ch;
}
.dash-meta { display: flex; gap: 10px; flex-wrap: wrap; }
.dash-meta .badge { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.2); }

.verdict {
  border-radius: var(--radius);
  padding: 22px 24px;
  border: 1px solid;
  margin-bottom: 24px;
}
.verdict-FULFILLED { background: var(--good-wash); border-color: rgba(12,163,12,.28); }
.verdict-PARTIALLY { background: var(--warning-wash); border-color: rgba(250,178,25,.38); }
.verdict-NOT       { background: var(--critical-wash); border-color: rgba(208,59,59,.28); }
.verdict h2 { font-size: 1.2rem; display: flex; align-items: center; gap: 10px; }
.verdict p { margin-bottom: 0; color: var(--ink-secondary); }

.check-list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.check {
  display: flex;
  gap: 11px;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 13px;
}
.check-mark { flex: none; margin-top: 2px; }
.check-name { font-weight: 620; font-size: .9rem; }
.check-detail { font-size: .86rem; color: var(--ink-secondary); }

.figure {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  box-shadow: var(--shadow-sm);
}
.figure img { display: block; width: 100%; height: auto; border-radius: var(--radius-sm); }

/* ---------------------------------------------------------------- table -- */

/* min-width: 0 is what actually lets this scroll. A grid or flex child refuses
   to shrink below its content's minimum width by default, so without it a wide
   table drags the whole page wider than the screen instead of scrolling. */
.table-scroll { overflow-x: auto; min-width: 0; }
.card, .figure, .tile { min-width: 0; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
table.data th {
  text-align: left;
  font-weight: 620;
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .045em;
  color: var(--ink-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}
table.data td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  /* Long column names in <code> are unbreakable by default and would push the
     table wider than its card. Allowing a break keeps every table inside its
     container instead of relying on a horizontal scrollbar. */
  overflow-wrap: anywhere;
}
table.data td code { overflow-wrap: anywhere; }
table.data tbody tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: var(--surface-sunken); }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tr.is-best { background: var(--brand-wash); }
table.data tr.is-best:hover { background: #e3edfb; }
table.data tr.is-best td:first-child { font-weight: 650; }
table.data tr.is-failed td { color: var(--ink-muted); }

/* --------------------------------------------------------------- lists -- */

.kv { display: grid; gap: 0; }
.kv-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: .9rem;
}
.kv-row:last-child { border-bottom: none; }
.kv-key { color: var(--ink-muted); flex: none; }
.kv-val { text-align: right; font-weight: 560; }

.bullets { margin: 0; padding-left: 20px; }
.bullets li { margin-bottom: 8px; color: var(--ink-secondary); }
.bullets li:last-child { margin-bottom: 0; }

.pill-list { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  padding: 4px 10px;
  border-radius: 7px;
  background: var(--surface-sunken);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-secondary);
}
.pill-kept { background: var(--brand-wash); border-color: rgba(42,120,214,.2); color: var(--brand-deep); }

/* ---------------------------------------------------------- comparison -- */

.compare { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 16px; align-items: center; }
.compare-side { background: var(--surface-sunken); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px; }
.compare-side h4 { color: var(--ink-muted); text-transform: uppercase; font-size: .72rem; letter-spacing: .06em; }
.compare-arrow { color: var(--ink-muted); }

/* --------------------------------------------------------------- meter -- */

.meter {
  height: 6px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 6px;
}
.meter-fill { height: 100%; background: var(--brand); border-radius: 999px; }

/* ------------------------------------------------------------- section -- */

.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.section-title h2 { margin: 0; font-size: 1.22rem; }
.section-title .muted { font-size: .85rem; }

.anchor-nav {
  position: sticky;
  top: 61px;
  z-index: 20;
  background: rgba(247,247,245,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
  margin-bottom: 28px;
}
.anchor-nav .wrap { display: flex; gap: 18px; overflow-x: auto; }
.anchor-nav a { font-size: .85rem; color: var(--ink-secondary); white-space: nowrap; font-weight: 520; }
.anchor-nav a:hover { color: var(--brand-dark); text-decoration: none; }

/* -------------------------------------------------------------- report -- */

.report-paper {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 48px 56px;
  box-shadow: var(--shadow);
}
.report-paper h2 {
  margin-top: 36px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.report-paper h2:first-of-type { margin-top: 0; }
.report-paper h3 { margin-top: 24px; font-size: 1rem; }
.report-paper table.data { margin: 14px 0 20px; }
.report-title-block { border-bottom: 2px solid var(--ink); padding-bottom: 20px; margin-bottom: 28px; }
.report-title-block h1 { margin-bottom: 6px; }

/* --------------------------------------------------------------- misc --- */

.empty {
  text-align: center;
  padding: 56px 24px;
  color: var(--ink-muted);
}

.footer {
  margin-top: 72px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px;
  font-size: .86rem;
  color: var(--ink-muted);
}
.footer-inner p { margin-bottom: 4px; }
.footer-note { font-size: .8rem; }

/* --------------------------------------------------------- responsive --- */

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .report-paper { padding: 32px 26px; }
}

@media (max-width: 680px) {
  body { font-size: 14.5px; }
  .wrap, .wrap-tight { padding: 0 16px; }
  .nav-inner { padding: 10px 16px; }
  .nav-links { gap: 14px; }
  .nav-links a:not(.btn) { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .hero-inner { padding-block: 56px 48px; }
  .hero-stats { gap: 24px; }
  .compare { grid-template-columns: 1fr; }
  .compare-arrow { transform: rotate(90deg); justify-self: center; }
  .section { padding-block: 40px; }
  .footer-inner { padding: 22px 16px; }
}