/* ==========================================================================
   GovEvo Design System v1 — single source of truth
   Dark base + premium accent system: teal -> emerald
   Fonts: Sora (display/body) + JetBrains Mono (labels/code)
   ========================================================================== */

:root {
  /* Color tokens */
  --bg-0: #05090b;
  --bg-1: #080f12;
  --bg-2: #0c1519;
  --surface: rgba(255, 255, 255, 0.028);
  --surface-2: rgba(255, 255, 255, 0.055);
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.16);
  --ink-1: #f0f6f5;
  --ink-2: #c6d2d1;
  --ink-3: #94a8a6;
  --accent: #2dd4bf;
  --accent-2: #34d399;
  --accent-ink: #052e26;
  --accent-dim: rgba(45, 212, 191, 0.38);
  --grad: linear-gradient(120deg, #2dd4bf 0%, #34d399 100%);
  --glow-1: rgba(45, 212, 191, 0.13);
  --glow-2: rgba(52, 211, 153, 0.1);

  /* Typography tokens */
  --font-sans: 'Sora', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, Consolas, monospace;
  --fs-hero: clamp(2.15rem, 7.2vw, 4.75rem);
  --fs-h2: clamp(1.85rem, 3.6vw, 2.75rem);
  --fs-h3: 1.12rem;
  --fs-body: 1rem;
  --fs-sm: 0.92rem;
  --fs-xs: 0.8rem;

  /* Spacing tokens (4px base grid) */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;
  --sec-pad: clamp(4.5rem, 10vw, 7.5rem);

  /* Shape, elevation, motion */
  --radius: 14px;
  --radius-lg: 20px;
  --radius-sm: 10px;
  --radius-full: 999px;
  --shadow-glow: 0 0 48px -14px rgba(45, 212, 191, 0.3);
  --nav-h: 4.5rem;
  --container: 1140px;
  --ease: cubic-bezier(0.22, 0.7, 0.25, 1);
  --t-fast: 160ms;
  --t-reveal: 700ms;
}

/* ==========================================================================
   Base
   ========================================================================== */

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 {
  margin: 0;
  color: var(--ink-1);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

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

::selection {
  background: rgba(45, 212, 191, 0.3);
  color: var(--ink-1);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--bg-2);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--ink-1);
  font-size: var(--fs-sm);
  transform: translateY(-200%);
  transition: transform var(--t-fast) var(--ease);
}

.skip-link:focus-visible {
  transform: none;
}

.grad-text {
  color: var(--accent);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .grad-text {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

/* Gradient hairline at the very top of the page */
.topline {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  height: 2px;
  background: linear-gradient(90deg, transparent 5%, var(--accent) 45%, var(--accent-2) 70%, transparent 95%);
  opacity: 0.75;
  pointer-events: none;
}

/* ==========================================================================
   Sticky nav
   ========================================================================== */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(5, 9, 11, 0.55);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  backdrop-filter: blur(14px) saturate(1.3);
  transition: background var(--t-fast) linear, border-color var(--t-fast) linear;
}

.site-nav.is-scrolled {
  background: rgba(5, 9, 11, 0.82);
  border-bottom-color: var(--line);
}

.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-glyph {
  width: 24px;
  height: 24px;
  display: block;
}

.brand-name {
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.nav-links a {
  position: relative;
  font-size: var(--fs-sm);
  color: var(--ink-3);
  padding: 6px 2px;
  transition: color var(--t-fast) var(--ease);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-fast) var(--ease);
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--ink-1);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px;
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius-full);
  background: rgba(45, 212, 191, 0.07);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-1);
  white-space: nowrap;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.nav-cta:hover {
  border-color: var(--accent);
  background: rgba(45, 212, 191, 0.13);
  transform: translateY(-1px);
}

.pulse-dot {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  animation: pulse 2.6s var(--ease) infinite;
}

@keyframes pulse {
  0% { transform: scale(0.5); opacity: 0.9; }
  70% { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.menu-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink-1);
  transition: transform var(--t-fast) var(--ease);
}

.menu-toggle[aria-expanded='true'] .menu-toggle-line:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle[aria-expanded='true'] .menu-toggle-line:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-menu {
  display: none;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.btn-primary {
  background: var(--grad);
  color: var(--accent-ink);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -10px rgba(45, 212, 191, 0.45);
}

.btn-ghost {
  border-color: var(--line-2);
  background: var(--surface);
  color: var(--ink-1);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: var(--accent-dim);
  background: var(--surface-2);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + clamp(4rem, 9vw, 7rem)) 0 clamp(5rem, 9vw, 7.5rem);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(ellipse 90% 72% at 50% 0%, #000 35%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 72% at 50% 0%, #000 35%, transparent 78%);
}

.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(640px 360px at 62% -8%, var(--glow-1), transparent 68%),
    radial-gradient(520px 320px at 28% 14%, var(--glow-2), transparent 72%);
}

.hero-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-full);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-2);
}

.hero-title {
  margin-top: var(--sp-6);
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.04;
  max-width: 15ch;
}

.hero-sub {
  margin-top: var(--sp-5);
  max-width: 620px;
  font-size: 1.08rem;
  color: var(--ink-2);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-3);
  margin-top: var(--sp-7);
}

/* Mantra card */
.mantra {
  position: relative;
  margin-top: clamp(3rem, 6vw, 4.5rem);
  width: min(100%, 660px);
  padding: var(--sp-5) clamp(1.25rem, 4vw, 2.5rem) var(--sp-6);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  overflow: hidden;
  text-align: left;
}

.mantra::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 180px at 88% 0%, var(--glow-1), transparent 70%);
  pointer-events: none;
}

.mantra-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--line);
}

.mantra-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.mantra-glyph {
  width: 20px;
  height: 20px;
}

.mantra-line {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--ink-3);
}

.mantra-num {
  font-size: var(--fs-xs);
  color: rgba(148, 168, 166, 0.55);
  flex-shrink: 0;
}

.mantra-line--key {
  font-size: clamp(1.02rem, 2.6vw, 1.2rem);
  font-weight: 600;
  color: var(--ink-1);
}

.mantra-line--key .mantra-num {
  color: var(--accent);
}

/* ==========================================================================
   Sections (shared)
   ========================================================================== */

.section {
  border-top: 1px solid var(--line);
  padding: var(--sec-pad) 0;
}

.sec-head {
  max-width: 720px;
  margin-bottom: clamp(2.75rem, 6vw, 4.25rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--grad);
  flex-shrink: 0;
}

.sec-head h2 {
  margin-top: var(--sp-4);
  font-size: var(--fs-h2);
}

.lede {
  margin-top: var(--sp-4);
  font-size: 1.05rem;
  color: var(--ink-2);
}

/* ==========================================================================
   01 · O problema
   ========================================================================== */

.prob-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}

.prob-card {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--sp-5);
  padding: var(--sp-5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.prob-card:hover {
  border-color: var(--line-2);
  background: var(--surface-2);
  transform: translateY(-3px);
}

.prob-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent);
  letter-spacing: 0.1em;
}

.prob-card p {
  color: var(--ink-1);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.55;
}

/* ==========================================================================
   02 · Pipeline de autoridade
   ========================================================================== */

.steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.steps::before {
  content: '';
  position: absolute;
  top: 18px;
  left: calc(100% / 12);
  right: calc(100% / 12);
  height: 1px;
  background: linear-gradient(90deg, var(--line-2), var(--accent-dim));
}

.step {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  min-width: 0;
}

.step-dot {
  width: 37px;
  height: 37px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: var(--bg-1);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-3);
}

.step-name {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--ink-2);
}

.step--final .step-dot {
  background: var(--grad);
  border-color: transparent;
  color: var(--accent-ink);
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}

.step--final .step-name {
  color: var(--ink-1);
  font-weight: 600;
}

.callout {
  margin: clamp(3rem, 6vw, 4.5rem) auto 0;
  max-width: 760px;
  padding: var(--sp-6) clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid transparent;
  border-radius: var(--radius);
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    var(--grad) border-box;
  text-align: center;
}

.callout-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.callout-text {
  margin-top: var(--sp-3);
  font-size: clamp(1.08rem, 2.4vw, 1.3rem);
  font-weight: 600;
  color: var(--ink-1);
  line-height: 1.5;
}

/* ==========================================================================
   03 · Arquitetura (diagrama)
   ========================================================================== */

.diagram {
  display: grid;
  grid-template-columns: 1fr 56px minmax(230px, 1.05fr) 56px 1fr;
  align-items: center;
  gap: var(--sp-2);
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(560px 300px at 50% 0%, rgba(45, 212, 191, 0.05), transparent 70%),
    var(--surface);
}

.dg-col {
  min-width: 0;
}

.dg-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: var(--sp-4);
}

.dg-stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.dg-chip {
  display: block;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-1);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--ink-2);
  text-align: center;
  overflow-wrap: break-word;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.dg-chip:hover {
  border-color: var(--accent-dim);
  color: var(--ink-1);
}

.dg-chip--out {
  border-color: rgba(52, 211, 153, 0.22);
}

.dg-chip--out:hover {
  border-color: rgba(52, 211, 153, 0.55);
}

.dg-mid {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.dg-node {
  padding: var(--sp-5) var(--sp-4);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: var(--bg-2);
  text-align: center;
}

.dg-node h3 {
  font-size: var(--fs-h3);
}

.dg-node p {
  margin-top: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-3);
}

.dg-node--core {
  position: relative;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    var(--grad) border-box;
  box-shadow: var(--shadow-glow);
  padding: var(--sp-6) var(--sp-4);
}

.dg-node--core h3 {
  font-size: 1.3rem;
}

.dg-core-glyph {
  width: 30px;
  height: 30px;
  margin: 0 auto var(--sp-3);
  display: block;
}

/* Flow arrows: horizontal by default */
.dg-flow {
  position: relative;
  height: 2px;
  margin: 0 var(--sp-1);
  background: linear-gradient(90deg, var(--line-2), var(--accent));
  border-radius: 2px;
}

.dg-flow::after {
  content: '';
  position: absolute;
  right: -2px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-top: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  transform: translateY(-50%) rotate(45deg);
  border-radius: 1px;
}

/* Vertical arrow inside the middle column */
.dg-flow--v {
  width: 2px;
  height: 30px;
  margin: var(--sp-2) auto;
  background: linear-gradient(180deg, var(--line-2), var(--accent));
  justify-self: center;
}

.dg-flow--v::after {
  right: 50%;
  top: auto;
  bottom: -2px;
  transform: translateX(50%) rotate(135deg);
}

.arch-rule {
  margin-top: var(--sp-6);
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--ink-2);
}

.arch-rule-glyph {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: var(--sp-4);
  padding: 6px 14px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  color: var(--ink-3);
  white-space: nowrap;
}

.arch-rule-glyph b {
  color: var(--ink-2);
  font-weight: 500;
}

.arch-rule-glyph--one {
  border-color: rgba(52, 211, 153, 0.35);
}

.arch-rule-glyph--one b {
  color: var(--accent-2);
}

/* ==========================================================================
   04 · Primitivas
   ========================================================================== */

.prim-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}

.primitive {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  min-width: 0;
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.primitive:hover {
  border-color: var(--line-2);
  background: var(--surface-2);
  transform: translateY(-3px);
}

.primitive h3 {
  font-size: var(--fs-h3);
}

.primitive p {
  font-size: var(--fs-sm);
  color: var(--ink-3);
  line-height: 1.6;
}

.prim-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: var(--bg-1);
  color: var(--accent);
}

.prim-icon svg {
  width: 21px;
  height: 21px;
}

.primitive--decidir {
  position: relative;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    var(--grad) border-box;
  box-shadow: var(--shadow-glow);
}

.primitive--decidir:hover {
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    var(--grad) border-box;
}

.primitive--decidir .prim-icon {
  background: var(--grad);
  border-color: transparent;
  color: var(--accent-ink);
}

.primitive--decidir p {
  color: var(--ink-2);
}

.prim-tag {
  margin-top: auto;
  padding-top: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--accent-2) !important;
  border-top: 1px dashed rgba(52, 211, 153, 0.3);
}

/* ==========================================================================
   05 · Invariantes (ledger)
   ========================================================================== */

.ledger {
  max-width: 860px;
  border-top: 1px solid var(--line-2);
}

.inv {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: var(--sp-5);
  align-items: baseline;
  padding: var(--sp-5) var(--sp-2);
  border-bottom: 1px solid var(--line);
  transition: background var(--t-fast) var(--ease);
}

.inv:hover {
  background: var(--surface);
}

.inv:hover .inv-num {
  color: var(--accent);
}

.inv-num {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--ink-3);
  transition: color var(--t-fast) var(--ease);
}

.inv p {
  color: var(--ink-1);
  font-size: 1.06rem;
  font-weight: 500;
  line-height: 1.55;
}

/* ==========================================================================
   06 · O que o GovEvo não é
   ========================================================================== */

.neg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
}

.neg {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-5);
  border: 1px dashed var(--line-2);
  border-radius: var(--radius);
  background: transparent;
  min-width: 0;
}

.neg svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--ink-3);
}

.neg p {
  font-size: var(--fs-sm);
  color: var(--ink-2);
  line-height: 1.6;
}

/* ==========================================================================
   07 · Programa de exploração
   ========================================================================== */

.status {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  max-width: 760px;
  padding: var(--sp-4) var(--sp-5);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: var(--radius);
  background: rgba(52, 211, 153, 0.05);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--ink-1);
}

.sub-head {
  margin-top: var(--sp-8);
  margin-bottom: var(--sp-5);
  font-size: 1.25rem;
}

.milestones {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--sp-4);
}

.milestones::before {
  content: '';
  position: absolute;
  top: 17px;
  left: calc(100% / 12);
  right: calc(100% / 12);
  height: 1px;
  background: linear-gradient(90deg, var(--line-2), var(--accent-dim));
}

.ms {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-3);
  min-width: 0;
}

.ms-node {
  position: relative;
  z-index: 1;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: var(--bg-1);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
}

.ms-name {
  font-size: var(--fs-sm);
  color: var(--ink-2);
  line-height: 1.5;
}

.ms--final .ms-node {
  background: var(--grad);
  border-color: transparent;
  color: var(--accent-ink);
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}

.ms--final .ms-name {
  color: var(--ink-1);
  font-weight: 500;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-2);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.chip:hover {
  border-color: var(--accent-dim);
  background: var(--surface-2);
}

.chip b {
  color: var(--accent);
  font-weight: 600;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  border-top: 1px solid var(--line);
  padding: var(--sp-8) 0 var(--sp-7);
  background:
    radial-gradient(480px 220px at 50% 110%, rgba(45, 212, 191, 0.06), transparent 70%),
    var(--bg-0);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  text-align: center;
}

.footer-brand {
  cursor: default;
}

.footer-tag {
  font-size: 1.02rem;
  color: var(--ink-2);
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-3);
}

.footer-sep {
  color: var(--line-2);
}

/* ==========================================================================
   Scroll-reveal ( ativado apenas com JS )
   ========================================================================== */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--t-reveal) var(--ease), transform var(--t-reveal) var(--ease);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1020px) {
  .prim-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 920px) {
  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-menu {
    display: grid;
    gap: 2px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: var(--sp-3) 20px var(--sp-4);
    background: var(--bg-0);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), visibility var(--t-fast);
  }

  .mobile-menu.open {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }

  .mobile-menu a {
    padding: 13px 8px;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
    color: var(--ink-2);
    transition: color var(--t-fast) var(--ease);
  }

  .mobile-menu a:last-child {
    border-bottom: 0;
  }

  .mobile-menu a:hover {
    color: var(--ink-1);
  }

  /* Diagrama: empilhamento vertical */
  .diagram {
    grid-template-columns: 1fr;
    gap: var(--sp-4);
  }

  .dg-flow {
    width: 2px;
    height: 34px;
    margin: 0 auto;
    background: linear-gradient(180deg, var(--line-2), var(--accent));
    justify-self: center;
  }

  .dg-flow::after {
    right: 50%;
    top: auto;
    bottom: -2px;
    transform: translateX(50%) rotate(135deg);
  }

  .dg-flow--v {
    height: 30px;
  }

  .arch-rule-glyph {
    margin-right: var(--sp-2);
    margin-bottom: var(--sp-2);
  }

  .arch-rule {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
  }

  /* Pipeline: trilha vertical */
  .steps {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-4);
  }

  .steps::before {
    top: 20px;
    bottom: 20px;
    left: 18px;
    right: auto;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, var(--line-2), var(--accent-dim));
  }

  .step {
    flex-direction: row;
    gap: var(--sp-4);
    width: 100%;
  }

  .step-name {
    text-align: left;
  }

  /* Marcos: trilha vertical */
  .milestones {
    grid-template-columns: 1fr;
    gap: var(--sp-4);
  }

  .milestones::before {
    top: 20px;
    bottom: 20px;
    left: 18px;
    right: auto;
    width: 1px;
    height: auto;
  }

  .ms {
    flex-direction: row;
    text-align: left;
  }

  .ms-name {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .prob-grid {
    grid-template-columns: 1fr;
  }

  .prim-grid {
    grid-template-columns: 1fr;
  }

  .neg-grid {
    grid-template-columns: 1fr;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
    max-width: 360px;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .nav-cta {
    padding: 8px 14px;
    font-size: 0.78rem;
  }

  .status {
    font-size: var(--fs-xs);
  }
}

/* ==========================================================================
   Movimento reduzido
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .pulse-dot::after {
    display: none;
  }
}

/* ==========================================================================
   Language switch (PT | EN)
   ========================================================================== */

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-full);
  background: var(--surface);
}

.lang-btn {
  padding: 4px 11px;
  border: 0;
  border-radius: var(--radius-full);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--ink-3);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.lang-btn:hover {
  color: var(--ink-1);
}

.lang-btn.is-active {
  background: var(--grad);
  color: var(--accent-ink);
  font-weight: 600;
}

.menu-lang-row {
  display: flex;
  justify-content: center;
  padding: var(--sp-3) 8px 0;
  margin-top: 2px;
}

@media (max-width: 640px) {
  .nav-actions .lang-switch {
    display: none;
  }
}