/* cestainteligente — editorial observatory */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght,SOFT@0,9..144,300..700,0..100;1,9..144,300..700,0..100&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --paper:      #f3ecdd;
  --paper-warm: #ebe2cc;
  --paper-deep: #e1d6b8;
  --ink:        #181714;
  --ink-soft:   #2a2924;
  --ink-muted:  #6c6659;
  --ink-faint:  #a39e8c;
  --rule:       #c5bba1;
  --rule-fine:  #ddd4ba;
  --accent:     #c4462a;
  --accent-deep:#8a2f12;
  --positive:   #2a5c44;
  --sky:        #4a6b82;

  --display: "Fraunces", "Georgia", "Times New Roman", serif;
  --sans:    "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --max-w: 1360px;
  --rail:  32px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  font-feature-settings: "ss01", "cv05";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 0%,
      rgba(255, 240, 210, 0.35) 0%,
      rgba(245, 232, 200, 0) 55%),
    radial-gradient(ellipse at 100% 100%,
      rgba(196, 70, 42, 0.05) 0%,
      rgba(196, 70, 42, 0) 40%);
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.08 0 0 0 0 0.05 0 0 0 0.55 0'/></filter><rect width='220' height='220' filter='url(%23n)' opacity='0.55'/></svg>");
  opacity: 0.45;
  mix-blend-mode: multiply;
  z-index: 1;
}

main, header, section, footer, nav { position: relative; z-index: 2; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.num, .mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "zero", "tnum";
}

small, .small { font-size: 0.82rem; color: var(--ink-muted); }

a {
  color: inherit;
  text-decoration-color: var(--rule);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color 140ms;
}
a:hover { color: var(--accent); text-decoration-color: currentColor; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--rail);
  padding-right: var(--rail);
  position: relative;
  z-index: 2;
}

.masthead {
  padding: 22px 0 10px;
  border-bottom: 1px solid var(--ink);
  position: relative;
}
.masthead::after {
  content: "";
  display: block;
  border-bottom: 3px solid var(--ink);
  margin-top: 4px;
}
.masthead .inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.masthead .brand {
  font-family: var(--display);
  font-weight: 360;
  font-size: clamp(1.45rem, 2.6vw, 2.25rem);
  letter-spacing: 0.005em;
  font-variation-settings: 'opsz' 72, 'SOFT' 20;
  line-height: 1;
}
.masthead .brand .tag {
  display: block;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 4px;
}
.masthead .meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-muted);
  text-align: right;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.topnav a {
  text-decoration: none;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
}
.topnav a.active { color: var(--ink); }
.topnav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -15px;
  height: 2px;
  background: var(--accent);
}
.topnav a:hover { color: var(--accent); }
.topnav .spacer { flex: 1; }
.topnav .user {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}
.topnav .logout {
  padding: 5px 12px;
  border: 1px solid var(--ink);
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  transition: background 160ms, color 160ms;
}
.topnav .logout:hover { background: var(--ink); color: var(--paper); }

.flash {
  padding: 12px 16px;
  margin: 16px 0 0;
  font-family: var(--sans);
  font-size: 0.88rem;
  letter-spacing: 0.01em;
}
.flash.error {
  background: var(--accent);
  color: var(--paper);
  border-left: 4px solid var(--accent-deep);
}

.hero {
  padding: clamp(56px, 10vh, 112px) 0 clamp(48px, 8vh, 96px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 56px;
  position: relative;
}
@media (min-width: 920px) {
  .hero { grid-template-columns: 1.6fr 1fr; gap: 88px; align-items: start; }
}
.hero .copy .kicker {
  margin-bottom: 28px;
  display: flex;
  gap: 14px;
  align-items: center;
}
.hero .copy .kicker .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(196, 70, 42, 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(196, 70, 42, 0.18); }
  50%      { box-shadow: 0 0 0 8px rgba(196, 70, 42, 0.04); }
}
.hero h1 {
  margin: 0 0 30px;
  font-family: var(--display);
  font-weight: 320;
  font-size: clamp(2.8rem, 7vw, 5.75rem);
  font-variation-settings: 'opsz' 144, 'SOFT' 60;
  letter-spacing: -0.04em;
  line-height: 0.92;
}
.hero h1 em {
  font-style: italic;
  font-variation-settings: 'opsz' 144, 'SOFT' 90, 'wght' 380;
  color: var(--accent-deep);
}
.hero .lede {
  max-width: 54ch;
  font-family: var(--sans);
  font-size: clamp(1rem, 1.15vw, 1.12rem);
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 18px;
}
.hero .lede.small { font-size: 0.9rem; color: var(--ink-muted); }

.login-card {
  background: var(--paper-warm);
  border: 1px solid var(--ink);
  padding: 34px 30px;
  position: relative;
  box-shadow: 6px 6px 0 var(--ink);
}
.login-card::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid var(--rule);
  pointer-events: none;
}
.login-card > * { position: relative; z-index: 1; }
.login-card h2 {
  font-family: var(--display);
  font-size: 1.7rem;
  font-weight: 380;
  margin: 10px 0 22px;
  font-variation-settings: 'opsz' 48, 'SOFT' 30;
  letter-spacing: -0.015em;
}
.login-card label {
  display: block;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 14px 0 6px;
}
.login-card input {
  width: 100%;
  padding: 11px 13px;
  background: var(--paper);
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color 140ms, box-shadow 140ms;
}
.login-card input:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(24, 23, 20, 0.1);
}
.login-card button {
  margin-top: 24px;
  width: 100%;
  padding: 14px 18px;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 180ms, letter-spacing 180ms;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.login-card button:hover {
  background: var(--accent);
  letter-spacing: 0.26em;
}
.login-card button .arrow { transition: transform 180ms; font-family: var(--mono); }
.login-card button:hover .arrow { transform: translateX(5px); }
.login-card .hint {
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

.obs-grid {
  margin: 0;
  padding: 40px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0;
  border-top: 3px double var(--ink);
  border-bottom: 1px solid var(--rule);
}
.obs-card {
  padding: 20px 28px 22px 0;
  color: var(--ink);
}
.obs-card + .obs-card {
  border-left: 1px solid var(--rule-fine);
  padding-left: 28px;
}
.obs-card .label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 6px;
}
.obs-card .produto {
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 460;
  font-variation-settings: 'opsz' 36, 'SOFT' 25;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 18px;
  min-height: 2.6em;
}
.obs-card .indice {
  font-family: var(--display);
  font-size: 2.75rem;
  font-weight: 310;
  font-variation-settings: 'opsz' 144, 'SOFT' 60;
  letter-spacing: -0.025em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.obs-card .varia {
  font-family: var(--mono);
  font-size: 0.82rem;
  margin-top: 6px;
  letter-spacing: 0.01em;
}
.obs-card .varia.up   { color: var(--accent-deep); }
.obs-card .varia.down { color: var(--positive); }
.obs-card svg.spark {
  display: block;
  width: 100%;
  height: 42px;
  margin-top: 20px;
  color: var(--ink);
}

.method {
  padding: 72px 0 32px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}
@media (min-width: 920px) {
  .method { grid-template-columns: 1fr 1.9fr; gap: 80px; }
}
.method h2 {
  font-family: var(--display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 350;
  font-variation-settings: 'opsz' 72, 'SOFT' 40;
  letter-spacing: -0.025em;
  margin: 0;
  line-height: 1.05;
}
.method .method-copy p {
  margin: 14px 0 0;
  color: var(--ink-muted);
  line-height: 1.65;
  font-size: 0.94rem;
}
.method dl { margin: 0; border-top: 1px solid var(--ink); }
.method dl > div {
  display: grid;
  grid-template-columns: 1fr 2.1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.method dt {
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.method dd {
  margin: 0;
  font-family: var(--display);
  font-weight: 420;
  font-variation-settings: 'opsz' 24, 'SOFT' 20;
  font-size: 1.06rem;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.method dd em { font-style: italic; }
.method dd .num { font-family: var(--mono); font-size: 0.98rem; }

.foot {
  margin-top: 56px;
  padding: 22px 0 36px;
  border-top: 3px solid var(--ink);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}
.foot strong { color: var(--ink); font-weight: 500; letter-spacing: 0.08em; }
.foot a { text-decoration: none; border-bottom: 1px solid var(--rule); }

.dash-header {
  padding: 44px 0 30px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: end;
}
@media (min-width: 900px) {
  .dash-header { grid-template-columns: 2.4fr 1fr; }
}
.dash-header .eyebrow { margin-bottom: 10px; }
.dash-header .produto-name {
  font-family: var(--display);
  font-weight: 320;
  font-size: clamp(2.5rem, 5.2vw, 4.25rem);
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
  letter-spacing: -0.035em;
  line-height: 0.95;
  margin: 0;
}
.dash-header .subhead {
  font-family: var(--sans);
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin-top: 14px;
  max-width: 58ch;
  letter-spacing: 0.005em;
}
.dash-header .controls { display: grid; gap: 14px; }
.dash-header .controls .control-group { display: block; }
.dash-header .controls select {
  display: block;
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 10px 32px 10px 14px;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
  cursor: pointer;
  transition: background 140ms;
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(-45deg, transparent 50%, var(--ink) 50%);
  background-position: right 14px top 50%, right 9px top 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}
.dash-header .controls select:hover { background-color: var(--paper-warm); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  margin: 24px 0 40px;
}
.stats .stat { padding: 22px 28px; }
.stats .stat + .stat { border-left: 1px solid var(--rule); }
.stats .stat .label {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 10px;
}
.stats .stat .value {
  font-family: var(--display);
  font-size: clamp(2.4rem, 4.2vw, 3.4rem);
  font-weight: 320;
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stats .stat .sub {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}
.stats .stat.accent .value { color: var(--accent-deep); }
.stats .stat.positive .value { color: var(--positive); }

.chart-wrap { padding: 8px 0 56px; }
.chart-wrap .chart-caption {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule-fine);
}
.chart-wrap .chart-caption strong { color: var(--ink); font-weight: 500; }
#chart { width: 100%; height: min(64vh, 580px); }

.section-head {
  padding: 48px 0 22px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 3px solid var(--ink);
  flex-wrap: wrap;
}
.section-head h1 {
  font-family: var(--display);
  font-weight: 340;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-variation-settings: 'opsz' 96, 'SOFT' 40;
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1;
}
.section-head .ctrl select {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 9px 32px 9px 14px;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(-45deg, transparent 50%, var(--ink) 50%);
  background-position: right 14px top 50%, right 9px top 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

.intro-copy {
  max-width: 62ch;
  color: var(--ink-muted);
  margin: 28px 0 16px;
  font-size: 0.96rem;
  line-height: 1.65;
}
.intro-copy em { font-family: var(--display); font-style: italic; color: var(--ink); }

.table-wrap {
  margin: 32px 0 40px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
table.editorial {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
}
table.editorial thead th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding: 14px 20px;
  border-bottom: 1px solid var(--ink);
  background: var(--paper-warm);
}
table.editorial thead th.right { text-align: right; }
table.editorial tbody td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--rule-fine);
  vertical-align: middle;
}
table.editorial tbody tr:last-child td { border-bottom: 0; }
table.editorial tbody tr:hover { background: rgba(196, 70, 42, 0.04); }
table.editorial .produto-cell {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 440;
  font-variation-settings: 'opsz' 36, 'SOFT' 25;
  letter-spacing: -0.008em;
}
table.editorial input[type="number"] {
  width: 4.2rem;
  padding: 6px 10px;
  background: var(--paper);
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.95rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
  transition: border-color 120ms;
}
table.editorial input[type="number"]:focus {
  outline: none;
  border-color: var(--ink);
}

button.action {
  padding: 9px 18px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 160ms;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
button.action:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
button.action:disabled {
  opacity: 0.7;
  cursor: wait;
  background: var(--paper-deep);
  color: var(--ink-muted);
  border-color: var(--rule);
}
button.action.ok { background: var(--positive); color: var(--paper); border-color: var(--positive); }

.slider-wrap { padding: 28px 0 8px; }
.slider-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 14px;
}
.slider-head .origem {
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 380;
  font-variation-settings: 'opsz' 72, 'SOFT' 30;
  letter-spacing: -0.02em;
  color: var(--ink);
}
input[type="range"]#slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 2px;
  background: var(--rule);
  cursor: pointer;
  margin: 18px 0 10px;
}
input[type="range"]#slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--paper);
  box-shadow: 0 0 0 1px var(--accent);
  cursor: grab;
  transition: transform 120ms;
}
input[type="range"]#slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]#slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--paper);
  box-shadow: 0 0 0 1px var(--accent);
  cursor: grab;
}
.slider-wrap .slider-ticks {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  margin-top: 6px;
}

@media (max-width: 720px) {
  :root { --rail: 20px; }
  .obs-card + .obs-card { border-left: 0; border-top: 1px solid var(--rule-fine); padding-left: 0; padding-top: 24px; }
  .stats .stat + .stat { border-left: 0; border-top: 1px solid var(--rule); }
  .masthead .inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .masthead .meta { text-align: left; }
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero .copy > *, .hero .login-card, .obs-card, .method > *, .dash-header > *, .stats, .chart-wrap {
  animation: riseIn 620ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.hero .copy > *:nth-child(1) { animation-delay: 40ms; }
.hero .copy > *:nth-child(2) { animation-delay: 140ms; }
.hero .copy > *:nth-child(3) { animation-delay: 240ms; }
.hero .copy > *:nth-child(4) { animation-delay: 320ms; }
.hero .login-card { animation-delay: 180ms; }
.obs-card:nth-child(1) { animation-delay: 40ms; }
.obs-card:nth-child(2) { animation-delay: 120ms; }
.obs-card:nth-child(3) { animation-delay: 200ms; }
.obs-card:nth-child(4) { animation-delay: 280ms; }
.obs-card:nth-child(5) { animation-delay: 360ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  .hero .copy .kicker .dot { animation: none; }
}