/* =========================================================
   PowerCloud — site institucional
   Tokens: docs/design/02-design-system.md · Copy/IA: docs/design/01-ux-ia-copy.md
   ========================================================= */

:root {
  /* Brand palette */
  --pc-navy-950: #050C17;
  --pc-navy-900: #07111F;
  --pc-navy-800: #0C1A2E;
  --pc-navy-700: #13243B;
  --pc-navy-600: #1C3150;
  --pc-off-50: #FAF9F6;
  --pc-off-100: #F4F3EF;
  --pc-off-200: #E9E7E0;
  --pc-off-300: #D9D6CD;
  --pc-cyan-300: #6FDDE8;
  --pc-cyan-500: #21C7D9;
  --pc-cyan-700: #0E7C8A;
  --pc-cyan-800: #0B6B77;
  --pc-slate-300: #94A3B8;
  --pc-slate-500: #64748B;
  --pc-slate-600: #475569;
  --pc-sand-400: #C8A98B;
  --pc-red-400: #FF6B6B;
  --pc-red-700: #B42318;
  --pc-green-400: #34D399;
  --pc-green-700: #047857;

  /* Theme aliases (dark = default) */
  --color-bg: var(--pc-navy-900);
  --color-bg-deep: var(--pc-navy-950);
  --color-surface-1: var(--pc-navy-800);
  --color-surface-2: var(--pc-navy-700);
  --color-text: var(--pc-off-100);
  --color-text-muted: var(--pc-slate-300);
  --color-accent: var(--pc-cyan-500);
  --color-accent-text: var(--pc-cyan-500);
  --color-accent-hover: var(--pc-cyan-300);
  --color-line: rgb(100 116 139 / .35);
  --color-line-subtle: rgb(100 116 139 / .16);
  --color-line-strong: var(--pc-slate-500);
  --color-focus: var(--pc-cyan-500);
  --color-error: var(--pc-red-400);
  --color-success: var(--pc-green-400);

  /* Type */
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --fs-mono-xs: 0.75rem;
  --fs-mono-sm: clamp(0.75rem, 0.71rem + 0.19vw, 0.875rem);
  --fs-body-sm: clamp(0.875rem, 0.85rem + 0.12vw, 0.9375rem);
  --fs-body: clamp(1rem, 0.96rem + 0.19vw, 1.125rem);
  --fs-lead: clamp(1.125rem, 1.04rem + 0.37vw, 1.375rem);
  --fs-h4: clamp(1.25rem, 1.17rem + 0.37vw, 1.5rem);
  --fs-h3: clamp(1.5rem, 1.33rem + 0.74vw, 2rem);
  --fs-h2: clamp(2rem, 1.67rem + 1.48vw, 3rem);
  --fs-h1: clamp(2.5rem, 1.83rem + 2.96vw, 4.5rem);
  --fs-display: clamp(2.75rem, 1.75rem + 4.44vw, 5.75rem);
  --lh-tight: 1.04;
  --lh-heading: 1.15;
  --lh-body: 1.6;
  --tracking-display: -0.025em;
  --tracking-heading: -0.015em;
  --tracking-mono: 0.12em;
  --measure: 64ch;

  /* Space & layout */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --section-y: clamp(4rem, 2.67rem + 5.93vw, 8rem);
  --gutter: clamp(1rem, 0.6rem + 1.78vw, 2rem);
  --module-gap: clamp(1rem, 0.85rem + 0.74vw, 1.5rem);
  --container-lg: 1240px;
  --header-h: 72px;
  --header-h-compact: 60px;

  /* Shape */
  --rail-w: 18px;
  --rail-w-card: 10px;
  --rule-accent: 3px;
  --border-hair: 1px solid var(--color-line);

  /* Effects */
  --glow-accent-sm: 0 0 0 1px rgb(33 199 217 / .5), 0 0 16px rgb(33 199 217 / .18);
  --focus-ring: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-focus);

  /* Motion */
  --dur-fast: 160ms;
  --dur-base: 240ms;
  --dur-slow: 480ms;
  --dur-assemble: 900ms;
  --dur-ambient: 8s;
  --ease-standard: cubic-bezier(.2, 0, 0, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --stagger: 80ms;

  /* Z */
  --z-below: -1;
  --z-sticky: 100;
  --z-drawer: 300;
  --z-skip: 1000;

  color-scheme: dark;
}

.theme-light {
  --color-bg: var(--pc-off-100);
  --color-bg-deep: var(--pc-off-200);
  --color-surface-1: var(--pc-off-50);
  --color-surface-2: var(--pc-off-200);
  --color-text: var(--pc-navy-900);
  --color-text-muted: var(--pc-slate-600);
  --color-accent-text: var(--pc-cyan-800);
  --color-accent-hover: var(--pc-cyan-700);
  --color-line: rgb(100 116 139 / .35);
  --color-line-subtle: rgb(100 116 139 / .14);
  --color-focus: var(--pc-cyan-800);
  --color-error: var(--pc-red-700);
  --color-success: var(--pc-green-700);
  color-scheme: light;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h-compact) + var(--space-4));
  -webkit-text-size-adjust: 100%;
}
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
ul, ol { padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: var(--lh-heading);
  letter-spacing: var(--tracking-heading);
  text-wrap: balance;
}
p { text-wrap: pretty; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); }
::selection { background: var(--pc-cyan-500); color: var(--pc-navy-900); }
[hidden] { display: none !important; }
main:focus, [tabindex="-1"]:focus { outline: none; box-shadow: none; }

.container { width: min(100% - 2 * var(--gutter), var(--container-lg)); margin-inline: auto; }

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-mono-sm);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  line-height: 1.4;
}

.skip-link {
  position: fixed;
  top: var(--space-2);
  left: var(--space-2);
  z-index: var(--z-skip);
  padding: var(--space-3) var(--space-4);
  background: var(--pc-cyan-500);
  color: var(--pc-navy-900);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

/* ---------- Buttons ---------- */
.btn {
  --btn-h: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: var(--btn-h);
  padding: 0 var(--space-5);
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-mono-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-standard),
              border-color var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-fast) var(--ease-standard),
              color var(--dur-fast) var(--ease-standard);
}
.btn--sm { --btn-h: 40px; padding: 0 var(--space-4); }
.btn--lg { --btn-h: 56px; padding: 0 var(--space-6); }
.btn--block { width: 100%; }
.btn__arrow { transition: transform var(--dur-fast) var(--ease-standard); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--pc-cyan-500); color: var(--pc-navy-900); }
.btn--primary:hover { background: var(--pc-cyan-300); box-shadow: var(--glow-accent-sm); }
.theme-light .btn--primary { background: var(--pc-navy-900); color: var(--pc-off-100); }
.theme-light .btn--primary:hover { background: var(--pc-navy-700); box-shadow: inset 4px 0 0 var(--pc-cyan-500); }

.btn--secondary { background: transparent; color: var(--color-text); border-color: var(--color-line-strong); }
.btn--secondary:hover { border-color: var(--color-accent); background: var(--color-surface-1); }

.link-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  color: var(--color-accent-text);
  font-family: var(--font-mono);
  font-size: var(--fs-mono-sm);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  text-decoration: none;
  background: linear-gradient(currentColor, currentColor) left calc(100% - 10px) / 40% 1px no-repeat;
  transition: background-size var(--dur-base) var(--ease-out);
}
.link-cta:hover { background-size: 100% 1px; }
.link-cta span { transition: transform var(--dur-fast) var(--ease-standard); }
.link-cta:hover span { transform: translateX(4px); }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-sticky);
  height: var(--header-h);
  transition: height var(--dur-base) var(--ease-standard),
              background-color var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard);
}
.header.is-scrolled {
  height: var(--header-h-compact);
  background: rgb(7 17 31 / .82);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
  box-shadow: 0 1px 0 0 var(--color-line);
}
.header__inner { height: 100%; display: flex; align-items: center; gap: var(--space-6); }
.header__logo { display: inline-flex; min-height: 44px; align-items: center; flex-shrink: 0; }
.header__logo img { width: auto; height: 28px; }
.nav { margin-left: auto; }
.nav__list { display: flex; gap: var(--space-1); }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--fs-body-sm);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard);
}
.nav__link:hover, .nav__link.is-active { color: var(--color-text); }
.nav__link.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: var(--pc-cyan-500);
}

.menu-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-line);
  cursor: pointer;
}
.menu-toggle span {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--pc-off-100);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast);
}
.menu-toggle span:nth-child(1) { left: 12px; top: 12px; }
.menu-toggle span:nth-child(2) { left: 22px; top: 12px; background: var(--pc-cyan-500); }
.menu-toggle span:nth-child(3) { left: 12px; top: 22px; }
.menu-toggle span:nth-child(4) { left: 22px; top: 22px; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translate(5px, 5px) scale(.6) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(4) { transform: translate(-5px, -5px) scale(.6) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2),
.menu-toggle[aria-expanded="true"] span:nth-child(3) { opacity: 0; transform: scale(0); }

.drawer {
  position: fixed;
  inset: var(--header-h-compact) 0 0;
  z-index: var(--z-drawer);
  padding: var(--space-6) var(--gutter);
  background: var(--color-bg);
  overflow-y: auto;
  animation: drawer-in var(--dur-base) var(--ease-out);
}
.drawer nav { display: flex; flex-direction: column; gap: var(--space-7); min-height: 100%; }
.drawer__list li { border-bottom: var(--border-hair); }
.drawer__list a {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: var(--tracking-heading);
  text-decoration: none;
}
.drawer__list .mono { color: var(--color-accent-text); }
@keyframes drawer-in { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0); } }

/* ---------- Backgrounds ---------- */
.bg-grid { position: relative; isolation: isolate; }
.bg-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: var(--z-below);
  pointer-events: none;
  background-image: linear-gradient(to right, var(--color-line-subtle) 1px, transparent 1px);
  background-size: calc(min(100vw - 2 * var(--gutter), var(--container-lg)) / 6) 100%;
  background-position: center top;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent);
}
.bg-glow::after {
  content: "";
  position: absolute;
  z-index: var(--z-below);
  pointer-events: none;
  width: 60vmax;
  aspect-ratio: 1;
  right: -18vmax;
  top: -12vmax;
  background: radial-gradient(closest-side, rgb(33 199 217 / .13), rgb(33 199 217 / .04) 55%, transparent);
}

/* ---------- Sections ---------- */
.section { position: relative; padding-block: var(--section-y); background: var(--color-bg); color: var(--color-text); overflow: hidden; }
.section--rail::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--rail-w);
  background: var(--pc-cyan-500);
}
.section-head { max-width: 760px; margin-bottom: var(--space-8); }
.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--color-accent-text);
}
.section-label::before { content: ""; width: 32px; height: 1px; background: currentColor; margin-right: var(--space-2); }
.section-title { font-size: var(--fs-h2); }
.section-title::after {
  content: "";
  display: block;
  width: min(100%, 8ch);
  height: var(--rule-accent);
  margin-top: var(--space-5);
  background: var(--pc-cyan-500);
  transform-origin: left;
}
.section-title--xl { font-size: var(--fs-h1); line-height: var(--lh-tight); letter-spacing: var(--tracking-display); }
.section-lead { margin-top: var(--space-5); max-width: 60ch; color: var(--color-text-muted); font-size: var(--fs-lead); line-height: 1.5; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: min(100svh, 920px);
  padding-top: calc(var(--header-h) + var(--space-8));
  padding-bottom: var(--space-8);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  align-items: center;
  gap: var(--space-8);
}
.eyebrow { color: var(--color-text-muted); margin-bottom: var(--space-5); }
.eyebrow { display: flex; flex-wrap: wrap; row-gap: var(--space-1); }
.eyebrow span { white-space: nowrap; }
.eyebrow span:not(:last-child)::after { content: "·"; color: var(--pc-cyan-500); padding: 0 .6em; }
.hero__title {
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  max-width: 13ch;
}
.accent { color: var(--color-accent-text); }
.rule {
  display: block;
  width: min(40%, 220px);
  height: var(--rule-accent);
  margin: var(--space-6) 0;
  background: var(--pc-cyan-500);
  transform-origin: left;
}
.hero__lead { max-width: 52ch; color: var(--color-text-muted); font-size: var(--fs-lead); line-height: 1.5; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-7); }
.hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin-top: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--fs-mono-xs);
}
.hero__proof li { display: inline-flex; align-items: center; gap: var(--space-2); }
.hero__proof li::before { content: ""; width: 6px; height: 6px; background: var(--pc-cyan-500); }
.hero__meta {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-9);
  padding-top: var(--space-4);
  border-top: var(--border-hair);
  color: var(--pc-slate-500);
  font-size: var(--fs-mono-xs);
}

/* Hero mark */
.hero__visual { display: flex; justify-content: center; }
.hero-mark {
  position: relative;
  width: clamp(200px, 30vw, 380px);
  aspect-ratio: 1;
  padding: 14%;
  border: var(--border-hair);
}
.hero-mark::before { /* crosshair corners */
  content: "";
  position: absolute;
  inset: -1px;
  background:
    linear-gradient(var(--pc-cyan-500), var(--pc-cyan-500)) top left / 14px 1px,
    linear-gradient(var(--pc-cyan-500), var(--pc-cyan-500)) top left / 1px 14px,
    linear-gradient(var(--pc-cyan-500), var(--pc-cyan-500)) bottom right / 14px 1px,
    linear-gradient(var(--pc-cyan-500), var(--pc-cyan-500)) bottom right / 1px 14px;
  background-repeat: no-repeat;
  pointer-events: none;
}
.pc-mark { width: 100%; height: 100%; overflow: visible; }
.pc-mark__m { fill: var(--pc-off-100); transform-box: fill-box; transform-origin: center; }
.pc-mark__m--tr { fill: var(--pc-cyan-500); filter: drop-shadow(0 0 6px rgb(33 199 217 / .3)); }
.hero-mark__tag {
  position: absolute;
  color: var(--pc-slate-300);
  font-size: 0.6875rem;
  white-space: nowrap;
}
.hero-mark__tag--tl { top: calc(-1 * var(--space-6)); left: 0; }
.hero-mark__tag--tr { top: calc(-1 * var(--space-6)); right: 0; color: var(--pc-cyan-500); }
.hero-mark__tag--bl { bottom: calc(-1 * var(--space-6)); left: 0; }
.hero-mark__tag--br { bottom: calc(-1 * var(--space-6)); right: 0; }
.hero-mark .scanline {
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--pc-cyan-500), transparent);
  opacity: 0;
}

.scan { display: none; }

/* ---------- Pains ---------- */
.pains {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: var(--border-hair);
}
.pain {
  padding: var(--space-6) var(--space-5) var(--space-6) 0;
  border-right: var(--border-hair);
}
.pain + .pain { padding-left: var(--space-5); }
.pain:last-child { border-right: 0; }
.pain__idx {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-bottom: var(--space-6);
  border: 1px solid var(--color-line-strong);
  color: var(--color-accent-text);
  font-size: var(--fs-mono-xs);
}
.pain h3 { font-size: var(--fs-h4); margin-bottom: var(--space-3); }
.pain p { color: var(--color-text-muted); font-size: var(--fs-body-sm); }

/* ---------- Pillars ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--module-gap);
}
.pillar {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(var(--space-5), 3vw, var(--space-7));
  background: var(--color-surface-1);
  border: var(--border-hair);
  transition: background-color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}
.pillar::before {
  content: "";
  position: absolute;
  inset: -1px auto -1px -1px;
  width: var(--rail-w-card);
  background: var(--pc-cyan-500);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur-base) var(--ease-out);
}
.pillar:hover, .pillar:focus-within { background: var(--color-surface-2); border-color: var(--pc-cyan-500); transform: translateY(-2px); }
.pillar:hover::before, .pillar:focus-within::before { transform: scaleY(1); }
.pillar__top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: var(--space-7); }
.pillar__num { color: var(--color-accent-text); }
.pillar--signal .pillar__num {
  padding: 2px 8px;
  background: var(--pc-cyan-500);
  color: var(--pc-navy-900);
}
.pillar__icon { width: 36px; height: 36px; fill: none; stroke: var(--pc-off-100); stroke-width: 1.5; }
.pillar__icon .fill { fill: var(--pc-cyan-500); stroke: none; }
.pillar--signal .pillar__icon { stroke: var(--pc-cyan-500); }
.pillar__title { font-size: var(--fs-h3); }
.pillar__desc { margin-top: var(--space-2); color: var(--color-text-muted); font-size: var(--fs-lead); line-height: 1.45; }
.pillar__list { margin: var(--space-6) 0; border-top: var(--border-hair); flex: 1; }
.pillar__list li {
  position: relative;
  padding: var(--space-3) 0 var(--space-3) var(--space-5);
  border-bottom: var(--border-hair);
  font-size: var(--fs-body-sm);
}
.pillar__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--space-3) + .6em);
  width: 6px;
  height: 6px;
  background: var(--pc-slate-500);
}
.pillar:hover .pillar__list li::before { background: var(--pc-cyan-500); }
.pillar .link-cta { align-self: flex-start; }

/* ---------- Process ---------- */
.process {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6);
  counter-reset: step;
}
.process::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-line-strong);
}
.step { position: relative; padding-top: var(--space-7); }
.step__node {
  position: absolute;
  top: 0;
  left: 0;
  width: 13px;
  height: 13px;
  background: var(--color-bg);
  border: 1px solid var(--color-line-strong);
}
.step--live .step__node { background: var(--pc-cyan-500); border-color: var(--pc-cyan-500); }
.step__num { color: var(--color-accent-text); margin-bottom: var(--space-3); }
.step__title { font-size: var(--fs-h4); margin-bottom: var(--space-3); }
.step > p:not([class]) { color: var(--color-text-muted); font-size: var(--fs-body-sm); }
.step__deliv {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-surface-1);
  border-left: 3px solid var(--pc-cyan-500);
  font-size: var(--fs-body-sm);
}
.step__deliv .mono { display: block; margin-bottom: var(--space-1); color: var(--color-text-muted); font-size: var(--fs-mono-xs); }
.process__cta { margin-top: var(--space-8); }

/* ---------- Differentials ---------- */
.section--divider { background: var(--pc-navy-900); }
.section--divider::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--rail-w);
  background: var(--pc-cyan-500);
}
.watermark {
  position: absolute;
  right: -4%;
  top: 6%;
  width: min(44vw, 560px);
  opacity: .045;
  pointer-events: none;
}
.diffs {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-line);
  border: var(--border-hair);
}
.diff { padding: var(--space-6) var(--space-5); background: var(--pc-navy-900); }
.diff__k { color: var(--color-accent-text); margin-bottom: var(--space-6); }
.diff h3 { font-size: var(--fs-h4); margin-bottom: var(--space-3); }
.diff p:not(.diff__k) { color: var(--color-text-muted); font-size: var(--fs-body-sm); }

/* ---------- FAQ ---------- */
.faq-wrap { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: var(--space-8); align-items: start; }
.faq-wrap .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h-compact) + var(--space-6)); }
.faq { border-bottom: var(--border-hair); }
.faq__item { position: relative; border-top: var(--border-hair); }
.faq__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  bottom: 0;
  width: 4px;
  background: var(--pc-cyan-500);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur-base) var(--ease-out);
}
.faq__item[open]::before { transform: scaleY(1); }
.faq summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-4);
  min-height: 64px;
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-5);
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq__q { color: var(--color-accent-text); font-size: var(--fs-mono-xs); }
.faq__text { font-size: var(--fs-lead); font-weight: 500; line-height: 1.35; }
.faq__icon {
  position: relative;
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-line-strong);
  transition: background-color var(--dur-fast), border-color var(--dur-fast);
}
.faq__icon::before, .faq__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.5px;
  margin: -0.75px 0 0 -5px;
  background: currentColor;
  transition: transform var(--dur-base) var(--ease-out);
}
.faq__icon::after { transform: rotate(90deg); }
.faq summary:hover .faq__icon { border-color: var(--color-accent-text); }
.faq__item[open] .faq__icon { background: var(--pc-cyan-500); border-color: var(--pc-cyan-500); color: var(--pc-navy-900); }
.faq__item[open] .faq__icon::after { transform: rotate(0); }
.faq__a { padding: 0 var(--space-5) var(--space-5) calc(var(--space-5) + 3.2rem); color: var(--color-text-muted); }

/* ---------- Contact ---------- */
.contact__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-8); align-items: start; }
.next-steps { margin-top: var(--space-7); border-top: var(--border-hair); }
.next-steps li {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: var(--border-hair);
}
.next-steps .mono { color: var(--color-accent-text); padding-top: .2em; }
.direct { margin-top: var(--space-7); }
.direct__label { color: var(--color-text-muted); margin-bottom: var(--space-3); }
.direct__links { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-5); }

.form-card {
  position: relative;
  padding: clamp(var(--space-5), 4vw, var(--space-7));
  background: var(--color-surface-1);
  border: var(--border-hair);
}
.form-card::before { /* table-band top rule (template 09) */
  content: "";
  position: absolute;
  inset: -1px -1px auto;
  height: 4px;
  background: var(--pc-cyan-500);
}
.form { display: grid; gap: var(--space-5); }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
.form__legend { color: var(--color-text-muted); font-size: var(--fs-body-sm); }
.form__note { color: var(--color-text-muted); font-size: var(--fs-body-sm); text-align: center; }
.form__summary {
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-error);
  border-left-width: 4px;
  color: var(--color-text);
  font-size: var(--fs-body-sm);
}
.form__summary ul { margin-top: var(--space-2); padding-left: var(--space-5); list-style: square; }
.form__summary a { color: var(--color-error); }

.field { display: grid; gap: var(--space-2); align-content: start; }
.field label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono-xs);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--dur-fast);
}
.field:focus-within label { color: var(--color-accent-text); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  background: var(--pc-navy-900);
  border: 1px solid var(--color-line-strong);
  border-radius: 0;
  font-size: max(16px, var(--fs-body-sm));
  transition: border-color var(--dur-fast), background-color var(--dur-fast), box-shadow var(--dur-fast);
}
.field textarea { min-height: 128px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--pc-slate-500); }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--color-text-muted); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-focus);
  background: var(--color-surface-2);
  box-shadow: 0 0 0 1px var(--color-focus);
}
.field [aria-invalid="true"] { border-color: var(--color-error); box-shadow: inset 4px 0 0 var(--color-error); }
.field__error { color: var(--color-error); font-size: var(--fs-body-sm); }
.field__error:empty { display: none; }
.field__error::before { content: "! "; font-family: var(--font-mono); font-weight: 600; }
.field__count { color: var(--color-text-muted); font-size: var(--fs-mono-xs); text-align: right; }
.field__count:empty { display: none; }

.select { position: relative; }
.select select { appearance: none; -webkit-appearance: none; padding-right: var(--space-7); cursor: pointer; }
.select::after {
  content: "";
  position: absolute;
  right: var(--space-4);
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -6px;
  border-right: 1.5px solid var(--color-text-muted);
  border-bottom: 1.5px solid var(--color-text-muted);
  transform: rotate(45deg);
  pointer-events: none;
}
.select option { background: var(--pc-navy-800); }

.field--check { grid-template-columns: 20px 1fr; column-gap: var(--space-3); align-items: start; }
.field--check input {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  min-height: 0;
  margin-top: 3px;
  padding: 0;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.field--check input:checked { background: var(--pc-cyan-500); border-color: var(--pc-cyan-500); }
.field--check input:checked::after {
  content: "";
  width: 5px;
  height: 10px;
  margin-top: -2px;
  border-right: 2px solid var(--pc-navy-900);
  border-bottom: 2px solid var(--pc-navy-900);
  transform: rotate(45deg);
}
.field--check label {
  font-family: var(--font-sans);
  font-size: var(--fs-body-sm);
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-text);
  cursor: pointer;
}
.field--check label a { color: var(--color-accent-text); }
.field--check .field__error { grid-column: 2; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.btn__loader { display: none; gap: 4px; }
.btn__loader i { width: 6px; height: 6px; background: currentColor; animation: blink 900ms infinite; }
.btn__loader i:nth-child(2) { animation-delay: 150ms; }
.btn__loader i:nth-child(3) { animation-delay: 300ms; }
.btn[aria-busy="true"] { pointer-events: none; opacity: .85; }
.btn[aria-busy="true"] .btn__loader { display: inline-flex; }
@keyframes blink { 0%, 100% { opacity: .2; } 50% { opacity: 1; } }

.form-state { display: grid; gap: var(--space-4); justify-items: start; }
.form-state h3 { font-size: var(--fs-h3); }
.form-state p:not(.section-label) { color: var(--color-text-muted); }
.form-state--error h3 { color: var(--color-error); }

/* ---------- Footer ---------- */
.footer { background: var(--pc-navy-950); padding: var(--space-8) 0 var(--space-6); border-top: var(--border-hair); position: relative; }
.footer::before { content: ""; position: absolute; top: -1px; left: 0; width: 120px; height: 3px; background: var(--pc-cyan-500); }
.footer__top { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); gap: var(--space-8); padding-bottom: var(--space-7); }
.footer__brand img { width: 190px; height: auto; }
.footer__brand .mono { margin-top: var(--space-4); color: var(--color-text-muted); font-size: var(--fs-mono-xs); }
.footer__nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
.footer__h { color: var(--pc-slate-500); font-size: var(--fs-mono-xs); margin-bottom: var(--space-4); }
.footer__nav li + li { margin-top: var(--space-2); }
.footer__nav a { color: var(--color-text-muted); font-size: var(--fs-body-sm); text-decoration: none; }
.footer__nav a:hover { color: var(--color-text); text-decoration: underline; text-underline-offset: 4px; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: var(--border-hair);
  color: var(--color-text-muted);
  font-size: var(--fs-body-sm);
}
.footer__sig { display: inline-flex; align-items: center; gap: var(--space-3); font-size: var(--fs-mono-xs); color: var(--pc-slate-500); }
.footer__sig svg { color: var(--pc-off-100); }

/* ---------- Motion (opt-in) ---------- */
@media (prefers-reduced-motion: no-preference) {
  /* hero mark: assemble → signal → idle */
  .hero-mark .pc-mark__m { animation: pc-assemble var(--dur-assemble) var(--ease-out) both; }
  .hero-mark .pc-mark__m--tl { --dx: -14%; --dy: -14%; animation-delay: 250ms; }
  .hero-mark .pc-mark__m--bl { --dx: -14%; --dy: 14%; animation-delay: calc(250ms + var(--stagger)); }
  .hero-mark .pc-mark__m--br { --dx: 14%; --dy: 14%; animation-delay: calc(250ms + 2 * var(--stagger)); }
  .hero-mark .pc-mark__m--tr {
    --dx: 22%; --dy: -22%;
    animation: pc-assemble var(--dur-assemble) var(--ease-out) 500ms both,
               pc-signal 700ms var(--ease-out) 1200ms both,
               pc-breathe var(--dur-ambient) ease-in-out 2.4s infinite;
  }
  .hero-mark__tag { animation: pc-fade var(--dur-slow) var(--ease-out) 1.4s both; }
  .hero-mark .scanline { animation: pc-scan var(--dur-ambient) linear 2.4s infinite; }

  .hero__copy > * { animation: pc-rise var(--dur-slow) var(--ease-out) both; }
  .hero__copy > :nth-child(2) { animation-delay: var(--stagger); }
  .hero__copy > :nth-child(3) { animation: pc-draw 700ms var(--ease-out) 300ms both; }
  .hero__copy > :nth-child(4) { animation-delay: calc(3 * var(--stagger)); }
  .hero__copy > :nth-child(5) { animation-delay: calc(4 * var(--stagger)); }
  .hero__copy > :nth-child(6) { animation-delay: calc(5 * var(--stagger)); }

  .scan {
    display: block;
    position: absolute;
    inset-inline: 0;
    top: 0;
    height: 140px;
    z-index: var(--z-below);
    pointer-events: none;
    background: linear-gradient(to bottom, transparent, rgb(33 199 217 / .05) 85%, rgb(33 199 217 / .28) 100%);
    transform: translateY(-140px);
    animation: pc-sweep 10s linear 3s infinite;
  }
  .is-paused .scan, .is-paused .pc-mark__m--tr, .is-paused .scanline { animation-play-state: paused; }

  @supports (animation-timeline: view()) {
    .reveal { animation: pc-reveal linear both; animation-timeline: view(); animation-range: entry 0% entry 35%; }
    .section-title::after { animation: pc-draw linear both; animation-timeline: view(); animation-range: entry 10% entry 60%; }
  }
}
@keyframes pc-assemble { from { opacity: 0; transform: translate(var(--dx), var(--dy)); } to { opacity: 1; transform: none; } }
@keyframes pc-signal {
  0% { fill: var(--pc-off-100); filter: none; }
  60% { filter: drop-shadow(0 0 16px rgb(33 199 217 / .6)); }
  100% { fill: var(--pc-cyan-500); filter: drop-shadow(0 0 6px rgb(33 199 217 / .3)); }
}
@keyframes pc-breathe { 0%, 100% { opacity: 1; } 50% { opacity: .82; } }
@keyframes pc-scan { 0%, 10% { opacity: 0; top: 0; } 14% { opacity: .9; } 40% { opacity: .9; top: 100%; } 44%, 100% { opacity: 0; top: 100%; } }
@keyframes pc-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pc-rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes pc-draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes pc-sweep { 0% { transform: translateY(-140px); } 45%, 100% { transform: translateY(110vh); } }
@keyframes pc-reveal { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .pains { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pain:nth-child(2) { border-right: 0; }
  .pain:nth-child(3) { padding-left: 0; }
  .pain:nth-child(n+3) { border-top: var(--border-hair); }
  .diffs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: var(--space-7); }
  .process::before { display: none; }
  .step { border-top: 1px solid var(--color-line-strong); }
  .step__node { top: -7px; }
}

@media (max-width: 1023px) {
  .nav, .header__cta { display: none; }
  .menu-toggle { display: block; }
  .hero__grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .hero__visual { display: none; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + var(--space-6)); }
  .faq-wrap, .contact__grid, .footer__top { grid-template-columns: 1fr; gap: var(--space-7); }
  .faq-wrap .section-head { position: static; }
  .section--rail::after, .section--divider::before { width: 4px; }
}

@media (max-width: 720px) {
  .pillars, .pains, .diffs, .process, .form__row, .footer__nav { grid-template-columns: 1fr; }
  .pain, .pain + .pain { padding: var(--space-5) 0; border-right: 0; border-top: var(--border-hair); }
  .pain:first-child { border-top: 0; }
  .pain__idx { margin-bottom: var(--space-4); }
  .process { row-gap: 0; padding-left: var(--space-5); border-left: 1px solid var(--color-line-strong); }
  .step { border-top: 0; padding: 0 0 var(--space-7); }
  .step__node { top: 4px; left: calc(-1 * var(--space-5) - 7px); }
  .hero__actions .btn { width: 100%; }
  .hero__meta { flex-direction: column; gap: var(--space-1); margin-top: var(--space-8); }
  .faq summary { padding-left: var(--space-4); gap: var(--space-3); }
  .faq__a { padding-left: var(--space-4); }
  .btn { white-space: normal; text-align: center; }
  .watermark { width: 80vw; top: 2%; }
  .hero__meta { display: none; }
  .hero { padding-bottom: var(--space-8); }
  .btn { letter-spacing: .06em; padding-inline: var(--space-4); }
  .eyebrow { font-size: var(--fs-mono-xs); }
}

/* ---------- Legal page (privacidade.html) / 404 ---------- */
.legal-page .header__inner { justify-content: space-between; }
.legal { padding-top: calc(var(--header-h) + var(--space-8)); }
.legal__grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 8fr); gap: var(--space-8); align-items: start; }
.legal__toc { position: sticky; top: calc(var(--header-h-compact) + var(--space-6)); }
.legal__toc ol { border-top: var(--border-hair); counter-reset: toc; }
.legal__toc li { border-bottom: var(--border-hair); counter-increment: toc; }
.legal__toc a {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  min-height: 44px;
  align-items: center;
  color: var(--color-text-muted);
  font-size: var(--fs-body-sm);
  text-decoration: none;
}
.legal__toc a::before { content: counter(toc, decimal-leading-zero); font-family: var(--font-mono); font-size: var(--fs-mono-xs); color: var(--color-accent-text); }
.legal__toc a:hover { color: var(--color-text); }
.legal__body { max-width: 72ch; }
.legal__meta { margin-top: var(--space-5); color: var(--color-text-muted); font-size: var(--fs-mono-xs); }
.legal__lead { margin-top: var(--space-6); font-size: var(--fs-lead); line-height: 1.5; color: var(--color-text-muted); }
.legal__body h2 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
  padding-top: var(--space-5);
  border-top: var(--border-hair);
  font-size: var(--fs-h4);
}
.legal__body p + p, .legal__body ul + p { margin-top: var(--space-4); }
.legal__body ul { margin-top: var(--space-4); display: grid; gap: var(--space-3); }
.legal__body ul li { position: relative; padding-left: var(--space-5); color: var(--color-text-muted); }
.legal__body ul li strong { color: var(--color-text); }
.legal__body ul li::before { content: ""; position: absolute; left: 0; top: .7em; width: 6px; height: 6px; background: var(--pc-cyan-500); }
.legal__body a { color: var(--color-accent-text); }
.legal__card { margin-top: var(--space-5); padding: var(--space-5); background: var(--color-surface-1); border: var(--border-hair); border-left: 4px solid var(--pc-cyan-500); display: grid; gap: var(--space-3); }
.legal__card p { display: grid; grid-template-columns: 11rem 1fr; gap: var(--space-3); margin: 0 !important; }
.legal__card .mono { color: var(--color-text-muted); font-size: var(--fs-mono-xs); padding-top: .2em; }
.ph { background: rgb(200 169 139 / .2); color: var(--pc-sand-400); padding: 0 .3em; font-family: var(--font-mono); font-size: .9em; }
.legal__back { margin-left: auto; }

.notfound { min-height: 100svh; display: grid; place-items: center; text-align: left; padding: var(--space-8) 0; }
.notfound .pc-mark { width: 96px; height: 96px; margin-bottom: var(--space-6); }
.notfound .pc-mark__m--tr { fill: transparent; stroke: var(--pc-cyan-500); stroke-width: 2; stroke-dasharray: 6 4; filter: none; }
.notfound p:not(.section-label) { margin: var(--space-5) 0 var(--space-7); color: var(--color-text-muted); max-width: 46ch; }

@media (max-width: 1023px) {
  .legal__grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .legal__toc { position: static; }
}
@media (max-width: 720px) {
  .legal__card p { grid-template-columns: 1fr; gap: var(--space-1); }
}
.legal__facts { margin-top: var(--space-6); }
.legal__facts div { display: grid; grid-template-columns: 9rem 1fr; gap: var(--space-3); }
.legal__facts dt { color: var(--color-text-muted); font-size: var(--fs-mono-xs); padding-top: .2em; }
.legal__body h3 { margin: var(--space-6) 0 var(--space-3); font-size: var(--fs-body); color: var(--color-accent-text); }
.legal__note { color: var(--color-text-muted); font-size: var(--fs-body-sm); font-style: italic; }
.legal__table-wrap { margin-top: var(--space-5); overflow-x: auto; border: var(--border-hair); }
.legal__table { width: 100%; border-collapse: collapse; font-size: var(--fs-body-sm); }
.legal__table thead th {
  background: var(--pc-navy-950);
  border-bottom: 4px solid var(--pc-cyan-500);
  font-family: var(--font-mono);
  font-size: var(--fs-mono-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  text-align: left;
  padding: var(--space-3) var(--space-4);
}
.legal__table tbody th, .legal__table td { padding: var(--space-3) var(--space-4); border-top: var(--border-hair); vertical-align: top; text-align: left; }
.legal__table tbody th { font-weight: 600; width: 12rem; }
.legal__table td { color: var(--color-text-muted); }
.legal__table--raci { min-width: 720px; }
.legal__table--raci td { text-align: center; font-family: var(--font-mono); color: var(--color-text); }
.legal__table--raci td:first-of-type { color: var(--pc-cyan-500); }
@media (max-width: 720px) { .legal__facts div { grid-template-columns: 1fr; gap: 0; } }