/* ==========================================================================
   PRISMA – Estratégia & Valor
   Sistema visual derivado do Manual de Normas Gráficas v1.0 (Fev 2026)
   ========================================================================== */

:root {
  /* Cores da marca */
  --brand-900: #001d59;   /* azul escuro – credibilidade, rigor */
  --brand-800: #002a68;   /* azul marinho – universo corporativo */
  --brand-700: #033a86;   /* tinte derivada – superfícies elevadas */
  --brand-500: #3f6cb8;   /* tinte derivada – estados interactivos */
  --brand-300: #9fb6d9;   /* tinte derivada – texto sobre fundo escuro */
  --grey-100: #eaeaea;    /* cinza claro – isenção, transparência */

  --paper: #ffffff;
  --paper-alt: #f5f7fa;
  --ink: #0d1526;
  --ink-soft: #55617a;
  --hairline: #dfe4ec;
  --hairline-dark: rgba(255, 255, 255, 0.16);

  /* Tipografia */
  --display: "IBM Plex Sans Condensed", "Arial Narrow", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --fs-display: clamp(2.6rem, 6.2vw, 5rem);
  --fs-h1: clamp(2.1rem, 4.4vw, 3.4rem);
  --fs-h2: clamp(1.65rem, 3vw, 2.4rem);
  --fs-h3: 1.2rem;
  --fs-body: 1.0625rem;
  --fs-sm: 0.9375rem;
  --fs-label: 0.72rem;

  /* Ritmo */
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --max: 1240px;
  --section-y: clamp(4.5rem, 9vw, 8rem);
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--fs-body);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--brand-700); text-decoration: none; }
a:hover { color: var(--brand-500); }

:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.06;
  text-wrap: balance;
  margin: 0;
}

p { margin: 0; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute; left: -9999px;
  background: var(--brand-900); color: #fff;
  padding: 0.75rem 1rem; z-index: 200;
}
.skip:focus { left: 1rem; top: 1rem; }

/* --------------------------------------------------------------- eyebrow */
.eyebrow {
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-500);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: currentColor;
  flex: none;
}
.on-dark .eyebrow { color: var(--brand-300); }

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}
.header-inner {
  display: flex; align-items: center; gap: 2rem;
  min-height: 76px;
}
.brand { flex: none; display: block; }
.brand img { height: 34px; width: auto; }

.nav { margin-left: auto; }
.nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; align-items: center; gap: 1.75rem;
}
.nav a {
  color: var(--ink);
  font-size: var(--fs-sm);
  font-weight: 500;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.18s ease, color 0.18s ease;
}
.nav a:hover, .nav a[aria-current="page"] {
  color: var(--brand-900);
  border-bottom-color: var(--brand-900);
}

.lang {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  display: flex; gap: 0.4rem; align-items: center;
}
.lang a { color: var(--ink-soft); }
.lang a[aria-current="true"] { color: var(--brand-900); font-weight: 600; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none; border: 1px solid var(--hairline);
  width: 44px; height: 44px; border-radius: 2px;
  cursor: pointer; align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 18px; height: 2px; background: var(--brand-900);
  content: ""; position: relative;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* ------------------------------------------------------------------ button */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--body);
  font-size: var(--fs-sm); font-weight: 600;
  padding: 0.95rem 1.6rem;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  cursor: pointer;
}
.btn-primary { background: var(--brand-900); color: #fff; }
.btn-primary:hover { background: var(--brand-700); color: #fff; }
.btn-ghost { border-color: rgba(255,255,255,0.34); color: #fff; background: none; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.08); color: #fff; }
.btn-outline { border-color: var(--brand-900); color: var(--brand-900); }
.btn-outline:hover { background: var(--brand-900); color: #fff; }
.btn-sm { padding: 0.6rem 1.1rem; font-size: 0.875rem; }

/* -------------------------------------------------------------------- hero */
.hero {
  position: relative;
  background-color: var(--brand-900);
  background-image: url("../img/hero.jpg");
  background-size: cover;
  background-position: 62% center;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero::after {
  content: "";
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(96deg, rgba(0,20,62,0.97) 0%, rgba(0,29,89,0.90) 27%, rgba(0,29,89,0.50) 45%, rgba(0,26,80,0.74) 63%, rgba(0,18,58,0.94) 88%, rgba(0,17,54,0.96) 100%),
    linear-gradient(to top, rgba(0,29,89,0.55) 0%, rgba(0,29,89,0) 45%);
}
/* aresta diagonal, eco do universo gráfico da marca */
.hero::before {
  content: "";
  position: absolute; z-index: 2;
  top: -10%; bottom: -10%; left: 46%; width: 42%;
  background: linear-gradient(120deg, rgba(159,182,217,0.22) 0 1px, transparent 1px 100%);
  transform: skewX(-14deg);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }
.hero-inner {
  padding-block: clamp(4.5rem, 10vw, 8rem) clamp(4rem, 8vw, 6.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 17rem);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
.hero-main { max-width: 42rem; }
.hero h1 {
  font-size: var(--fs-display);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}
.hero h1 em {
  font-style: normal;
  display: block;
  color: var(--brand-300);
}
.hero-lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(255,255,255,0.86);
  max-width: 34rem;
  margin-bottom: 2.5rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* -------------------------------------------------- indicadores no hero
   Coluna vertical, sem caixas: apenas tipografia.                      */
.hero-stats { display: grid; gap: clamp(1.5rem, 2.6vw, 2.1rem); }
.hero-stat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 0.9rem;
}
.hero-stat .n {
  font-family: var(--body);
  font-size: clamp(2.4rem, 3.2vw, 3.1rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.045em;
  font-variant-numeric: tabular-nums lining-nums;
  color: #fff;
  min-width: 3.4rem;
  text-align: right;
}
.hero-stat .l {
  font-size: 0.92rem;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 500;
}
.hero-origin {
  margin-top: 0.4rem;
  padding-top: clamp(1.4rem, 2.4vw, 1.9rem);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.hero-origin .k {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-300);
  display: block;
  margin-bottom: 0.7rem;
}
.hero-origin p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.8);
}

/* -------------------------------------------------------- capacidades base */
.caps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.cap {
  border-top: 2px solid var(--brand-900);
  padding-top: 1.6rem;
  display: flex; flex-direction: column;
}
.cap h3 { font-size: 1.35rem; margin-bottom: 0.8rem; }
.cap p { color: var(--ink-soft); font-size: var(--fs-sm); }
.cap p + p { margin-top: 0.9rem; }

/* ------------------------------------------------------------- software */
.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
  gap: 1px;
  background: var(--hairline-dark);
  border: 1px solid var(--hairline-dark);
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
}
.flow-step {
  background: var(--brand-900);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  position: relative;
}
.flow-step .n {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  color: var(--brand-500);
  display: block;
  margin-bottom: 1.1rem;
}
.flow-step h3 { font-size: 1.2rem; color: #fff; margin-bottom: 0.65rem; }
.flow-step p { font-size: var(--fs-sm); color: rgba(255,255,255,0.78); }

.pull {
  border-left: 2px solid var(--brand-500);
  padding-left: clamp(1.25rem, 2vw, 1.75rem);
  font-family: var(--display);
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  font-weight: 500;
  line-height: 1.25;
  color: #fff;
  letter-spacing: -0.01em;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  max-width: 40rem;
}

/* ------------------------------------------------------------------ ISO */
.iso {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.iso h2 { font-size: var(--fs-h2); margin-bottom: 1rem; }
.iso p { color: var(--ink-soft); margin-bottom: 1.5rem; }

/* ----------------------------------------------------------------- secções */
.section { padding-block: var(--section-y); }
.section-alt { background: var(--paper-alt); }
.section-dark { background: var(--brand-900); color: #fff; }
.section-dark p { color: rgba(255,255,255,0.82); }

.section-head { max-width: 44rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: var(--fs-h2); margin-bottom: 1.15rem; }
.section-head p { color: var(--ink-soft); font-size: 1.0625rem; }
.section-dark .section-head p { color: rgba(255,255,255,0.8); }

/* --------------------------------------------------------------- statement */
.statement {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.statement h2 { font-size: clamp(1.85rem, 3.3vw, 2.85rem); }
.statement .body p + p { margin-top: 1.15rem; }
.statement .body p { color: var(--ink-soft); }

/* ------------------------------------------------------------------ pilares
   Cartao com revelacao de imagem ao passar o rato, ao estilo editorial.  */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.9rem, 1.4vw, 1.25rem);
}
@media (max-width: 1080px) { .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .pillars { grid-template-columns: 1fr; } }
.pcard {
  position: relative;
  display: block;
  isolation: isolate;
  overflow: hidden;
  min-height: clamp(21rem, 30vw, 24rem);
  background: var(--paper);
  border: 1px solid var(--hairline);
  color: var(--ink);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}
.pcard-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.07);
  transition: opacity 0.55s ease, transform 1.1s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.pcard-bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,20,62,0.42) 0%, rgba(0,23,72,0.78) 55%, rgba(0,20,62,0.92) 100%);
}
.pcard-body {
  position: relative; z-index: 1;
  height: 100%;
  padding: clamp(1.4rem, 2.2vw, 1.9rem);
  display: flex; flex-direction: column;
}
.pcard .idx {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  color: var(--brand-500);
  margin-bottom: clamp(1.1rem, 2.2vw, 1.6rem);
  transition: color 0.4s ease;
}
.pcard h3 {
  font-size: clamp(1.25rem, 1.65vw, 1.45rem);
  margin-bottom: 0.85rem;
  transition: color 0.4s ease;
}
.pcard p {
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  transition: color 0.4s ease;
}
.pcard-cta {
  margin-top: auto;
  padding-top: 1.75rem;
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--brand-900);
  transition: color 0.4s ease;
}
.pcard-cta .mark {
  width: 30px; height: 30px;
  border: 1px solid currentColor;
  display: grid; place-items: center;
  font-family: var(--body); font-size: 1rem; line-height: 1;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.4s ease;
}

.pcard:hover, .pcard:focus-visible {
  border-color: var(--brand-900);
  box-shadow: 0 22px 54px rgba(0, 16, 50, 0.26);
}
.pcard:hover .pcard-bg, .pcard:focus-visible .pcard-bg { opacity: 1; transform: scale(1); }
.pcard:hover h3, .pcard:focus-visible h3 { color: #fff; }
.pcard:hover p, .pcard:focus-visible p { color: rgba(255,255,255,0.86); }
.pcard:hover .idx, .pcard:focus-visible .idx { color: var(--brand-300); }
.pcard:hover .pcard-cta, .pcard:focus-visible .pcard-cta { color: #fff; }
.pcard:hover .pcard-cta .mark, .pcard:focus-visible .pcard-cta .mark {
  background: #fff; color: var(--brand-900); border-color: #fff;
}

@media (prefers-reduced-motion: reduce) {
  .pcard-bg { transition: opacity 0.2s linear; transform: none; }
  .pcard:hover .pcard-bg { transform: none; }
}

/* ------------------------------------------------------- base comum: listas */
.cap ul {
  list-style: none; margin: 1.1rem 0 0; padding: 0;
  display: grid; gap: 0.55rem;
}
.cap li {
  font-size: var(--fs-sm);
  color: var(--ink);
  line-height: 1.45;
  padding-left: 1.1rem;
  position: relative;
}
.cap li::before {
  content: ""; position: absolute; left: 0; top: 0.6em;
  width: 5px; height: 5px; background: var(--brand-500);
}

/* --------------------------------------------------------------- timeline */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.timeline::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--brand-500) 0%, rgba(159,182,217,0.45) 92%, transparent 100%);
}
.tl-step { position: relative; padding-top: 4.75rem; }
.tl-step .dot {
  position: absolute; top: 0; left: 0;
  width: 50px; height: 56px;
  background: var(--brand-500);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 0.82rem; font-weight: 500;
  color: #fff;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}
.tl-step h3 { font-size: 1.3rem; color: #fff; margin-bottom: 0.7rem; }
.tl-step p { font-size: var(--fs-sm); color: rgba(255,255,255,0.8); }

@media (max-width: 860px) {
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline::before { left: 24px; right: auto; top: 0; bottom: 0; width: 1px; height: auto;
    background: linear-gradient(180deg, var(--brand-500), rgba(159,182,217,0.35)); }
  .tl-step { padding: 0 0 2.5rem 4.75rem; }
  .tl-step .dot { top: 0; }
}

/* ----------------------------------------------------- ênfase no corpo */
.statement .body strong, .prose strong { color: var(--ink); font-weight: 600; }
.section-dark .statement .body strong { color: #fff; }

/* ------------------------------------------------------------------ método */
.phases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.phase { border-top: 2px solid var(--brand-500); padding-top: 1.5rem; }
.phase .step {
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.14em; color: var(--brand-300);
  display: block; margin-bottom: 0.9rem;
}
.phase h3 { font-size: 1.3rem; margin-bottom: 0.7rem; color: #fff; }
.phase p { font-size: var(--fs-sm); }

/* ------------------------------------------------------------------- casos */
.cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.case {
  border: 1px solid var(--hairline);
  background: var(--paper);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  display: flex; flex-direction: column; gap: 1rem;
}
.case .tag {
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--brand-500);
}
.case h3 { font-size: 1.2rem; line-height: 1.25; }
.case p { font-size: var(--fs-sm); color: var(--ink-soft); }
.case .meta {
  margin-top: auto; padding-top: 1rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--mono); font-size: 0.75rem;
  letter-spacing: 0.06em; color: var(--ink-soft);
}

/* ------------------------------------------------------------------ split */
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.split > div {
  background: var(--paper);
  padding: clamp(1.75rem, 3vw, 2.75rem);
}
.split h3 { font-size: 1.4rem; margin-bottom: 0.9rem; }
.split p { color: var(--ink-soft); font-size: var(--fs-sm); margin-bottom: 1.25rem; }
.stack {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.stack span {
  border: 1px solid var(--hairline);
  padding: 0.3rem 0.6rem;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------- CTA */
.cta { background: var(--brand-800); color: #fff; }
.cta-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: var(--section-y);
}
.cta h2 { font-size: var(--fs-h1); margin-bottom: 1.15rem; }
.cta p { color: rgba(255,255,255,0.84); margin-bottom: 2rem; }
.contact-lines { display: grid; gap: 1.25rem; }
.contact-line {
  display: flex; gap: 1rem; align-items: baseline;
  border-top: 1px solid var(--hairline-dark);
  padding-top: 1.25rem;
}
.contact-line .k {
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--brand-300); flex: none; width: 6.5rem;
}
.contact-line .v { color: #fff; font-weight: 500; }
.contact-line a.v:hover { color: var(--brand-300); }

/* ------------------------------------------------------------------ footer */
.site-footer {
  background: var(--brand-900);
  color: rgba(255,255,255,0.72);
  font-size: var(--fs-sm);
  border-top: 1px solid var(--hairline-dark);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.footer-grid img { height: 78px; width: auto; margin-bottom: 1.5rem; }
.footer-grid h4 {
  font-family: var(--mono); font-size: var(--fs-label);
  font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--brand-300); margin-bottom: 1.1rem;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.footer-grid a { color: rgba(255,255,255,0.78); }
.footer-grid a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--hairline-dark);
  padding-block: 1.6rem;
  display: flex; flex-wrap: wrap; gap: 1rem 2rem;
  justify-content: space-between;
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.06em; color: rgba(255,255,255,0.5);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }

/* ------------------------------------------------------------- whatsapp fab */
.wa {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 90;
  width: 54px; height: 54px; border-radius: 50%;
  background: #25d366;
  display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(0, 29, 89, 0.28);
}
.wa svg { width: 28px; height: 28px; fill: #fff; }

/* ------------------------------------------------------------------ reveal
   Entrada discreta ao scroll: subida curta com aceleracao natural.       */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.62s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.62s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* elementos que entram a partir da esquerda (retratos, paineis laterais) */
.reveal-x { transform: translateY(0) translateX(-16px); }
.reveal-x.in { transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-x {
    opacity: 1; transform: none; transition: none;
  }
}

/* ----------------------------------------------------------------- responsivo */
@media (max-width: 900px) {
  .statement, .iso { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: clamp(2.5rem, 6vw, 3.5rem); }
  .hero-stats { max-width: 30rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .metrics { margin-top: -2.5rem; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .metric { border-bottom: 1px solid var(--hairline-dark); }
  .metric:nth-child(even) { border-right: 0; }
  .metric:nth-child(3) { grid-column: 1 / -1; border-right: 0; }
  .metric:last-child { grid-column: 1 / -1; border-right: 0; border-bottom: 0; }
}
@media (max-width: 780px) {
  .nav-toggle { display: flex; }
  .nav {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--paper);
    border-bottom: 1px solid var(--hairline);
    padding: 1rem var(--gutter) 1.5rem;
  }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; align-items: flex-start; gap: 0; width: 100%; }
  .nav li { width: 100%; border-bottom: 1px solid var(--hairline); }
  .nav a { display: block; padding: 0.9rem 0; border-bottom: 0; }
  .header-inner { position: relative; }
  .header-cta { display: none; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero {
    background-image: url("../img/hero-mobile.jpg");
    background-position: 62% 32%;
  }
  .hero::after {
    background:
      linear-gradient(180deg, rgba(0,20,62,0.74) 0%, rgba(0,29,89,0.60) 34%, rgba(0,29,89,0.88) 78%, rgba(0,29,89,0.96) 100%);
  }
  .hero::before { display: none; }
}

/* ==========================================================================
   PÁGINAS INTERIORES
   ========================================================================== */

/* -------------------------------------------------------------- page hero */
.page-hero {
  background: var(--brand-900);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; z-index: 0;
  top: -30%; bottom: -30%; right: -6%; width: 46%;
  background:
    linear-gradient(118deg, rgba(159,182,217,0.20) 0 1px, transparent 1px 100%),
    linear-gradient(118deg, transparent 0 78px, rgba(159,182,217,0.12) 78px 79px, transparent 79px 100%);
  transform: skewX(-14deg);
  pointer-events: none;
}
.page-hero .wrap { position: relative; z-index: 1; }

/* variante com fotografia, mesmo tratamento do hero principal */
.page-hero.has-photo {
  background-size: cover;
  background-position: center 42%;
  background-repeat: no-repeat;
  min-height: clamp(24rem, 46vh, 32rem);
  display: flex;
  align-items: center;
}
.page-hero.has-photo .page-hero-inner {
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.page-hero.has-photo::after {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background:
    linear-gradient(96deg, rgba(0,20,62,0.97) 0%, rgba(0,29,89,0.90) 32%, rgba(0,29,89,0.58) 62%, rgba(0,20,62,0.74) 100%),
    linear-gradient(to top, rgba(0,29,89,0.55) 0%, rgba(0,29,89,0) 55%);
}
.page-hero.has-photo::before { opacity: 0.55; }
.page-hero-inner {
  padding-block: clamp(3.5rem, 7vw, 6rem) clamp(3.5rem, 6vw, 5rem);
  max-width: 44rem;
}
.page-hero h1 {
  font-size: var(--fs-h1);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}
.page-hero .lead {
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  color: rgba(255,255,255,0.85);
  max-width: 36rem;
}
.page-hero .sub {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-300);
  margin-top: 1.75rem;
  display: block;
}

/* ------------------------------------------------------------------ prosa */
.prose { max-width: 42rem; }
.prose p { color: var(--ink-soft); }
.prose p + p { margin-top: 1.15rem; }
.prose h3 {
  font-size: 1.4rem;
  margin: 2.5rem 0 0.9rem;
  color: var(--ink);
}
.lead-para {
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  line-height: 1.5;
  color: var(--ink);
  font-weight: 400;
  max-width: 40rem;
}

/* declaracao destacada por regua lateral, sem salto de corpo de texto */
.mission { display: grid; gap: clamp(1.5rem, 3vw, 2.25rem); }
.mission-block {
  border-left: 2px solid var(--brand-500);
  padding-left: clamp(1.1rem, 2vw, 1.6rem);
}
.mission-block .k {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-500);
  display: block;
  margin-bottom: 0.6rem;
}
.mission-block p { color: var(--ink); font-size: var(--fs-body); line-height: 1.6; }
.mission > p { color: var(--ink-soft); }

/* ------------------------------------------------------------------ equipa */
.member {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: start;
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--hairline);
}
.member:first-of-type { border-top: 0; padding-top: 0; }
.member img {
  width: 100%;
  filter: grayscale(1);
  border-bottom: 3px solid var(--brand-900);
}
.member h3 { font-size: 1.85rem; margin-bottom: 0.35rem; }
.member .role {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--brand-500);
  margin-bottom: 1.5rem;
}
.member p { color: var(--ink-soft); }
.member p + p { margin-top: 1.1rem; }

/* -------------------------------------------------------------- serviços */
.svc {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 1px solid var(--hairline);
  align-items: start;
}
.svc:last-of-type { border-bottom: 1px solid var(--hairline); }
.svc h3 { font-size: 1.35rem; }
.svc .n {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  color: var(--brand-500);
  display: block;
  margin-bottom: 0.55rem;
}
.svc p { color: var(--ink-soft); font-size: var(--fs-sm); }
.svc ul {
  list-style: none; margin: 1rem 0 0; padding: 0;
  display: grid; gap: 0.45rem;
  font-size: var(--fs-sm); color: var(--ink);
}
.svc li { padding-left: 1.1rem; position: relative; }
.svc li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 5px; height: 5px; background: var(--brand-500);
}

/* -------------------------------------------------- metodologia (5 fases) */
.method {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.method-step { background: var(--paper); padding: clamp(1.4rem, 2.2vw, 1.9rem); }
.section-dark .method, .section-dark .method-step { background: var(--hairline-dark); }
.section-dark .method-step { background: var(--brand-900); }
.method-step .n {
  font-family: var(--display);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--brand-500);
  display: block;
  margin-bottom: 0.9rem;
  font-variant-numeric: tabular-nums;
}
.method-step h3 {
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.4;
  margin-bottom: 0.9rem;
}
.section-dark .method-step h3 { color: #fff; }
.method-step ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.method-step li {
  font-size: 0.875rem;
  color: var(--ink-soft);
  padding-left: 0.9rem;
  position: relative;
  line-height: 1.45;
}
.section-dark .method-step li { color: rgba(255,255,255,0.78); }
.method-step li::before {
  content: ""; position: absolute; left: 0; top: 0.58em;
  width: 4px; height: 4px; background: var(--brand-500);
}

/* ------------------------------------------------------------ entregáveis */
.deliver {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
}
.deliver div {
  border-top: 2px solid var(--brand-900);
  padding-top: 1.1rem;
}
.deliver h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.deliver p { font-size: var(--fs-sm); color: var(--ink-soft); }
.section-dark .deliver div { border-top-color: var(--brand-500); }
.section-dark .deliver h3 { color: #fff; }
.section-dark .deliver p { color: rgba(255,255,255,0.78); }

/* ---------------------------------------------------------------- valores
   Sem caixas: nos hexagonais sobre uma linha, com a palavra por baixo.    */
.values {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  padding-top: 2.5rem;
}
.values::before {
  content: "";
  position: absolute;
  left: 7.14%; right: 7.14%; top: 11px;
  height: 1px;
  background: linear-gradient(90deg, rgba(159,182,217,0.15), var(--brand-500) 18%, var(--brand-500) 82%, rgba(159,182,217,0.15));
}
.values span {
  position: relative;
  display: block;
  text-align: center;
  font-family: var(--display);
  font-size: clamp(0.95rem, 1.2vw, 1.15rem);
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.005em;
  line-height: 1.2;
}
.values span::before {
  content: "";
  position: absolute;
  top: -2.5rem; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 23px;
  background: var(--brand-500);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  transition: background 0.3s ease, transform 0.3s ease;
}
.values span:hover::before { background: #fff; transform: translateX(-50%) scale(1.14); }

@media (max-width: 860px) {
  .values { grid-template-columns: repeat(2, 1fr); row-gap: 2.75rem; padding-top: 2.25rem; }
  .values::before { display: none; }
  .values span { text-align: left; padding-left: 2rem; }
  .values span::before { top: 0.1em; left: 0; transform: none; width: 15px; height: 17px; }
  .values span:hover::before { transform: none; }
}

/* --------------------------------------------------------- caixa de nota */
.callout {
  border-left: 2px solid var(--brand-500);
  padding: 0.25rem 0 0.25rem clamp(1.1rem, 2vw, 1.6rem);
  max-width: 42rem;
}
.callout p { color: var(--ink-soft); }

@media (max-width: 780px) {
  .member { grid-template-columns: 1fr; }
  .member img { max-width: 260px; }
  .svc { grid-template-columns: 1fr; gap: 0.9rem; }
}

/* -------------------------------------------------------------- formulário */
.form { display: grid; gap: 1.35rem; max-width: 40rem; }
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 1.35rem;
}
.field { display: grid; gap: 0.45rem; }
.field label {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field .req { color: var(--brand-500); }
.field input,
.field select,
.field textarea {
  font-family: var(--body);
  font-size: var(--fs-body);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  padding: 0.8rem 0.9rem;
  width: 100%;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.field textarea { min-height: 9rem; resize: vertical; line-height: 1.55; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(63, 108, 184, 0.16);
}
.field select { appearance: none; background-image: none; cursor: pointer; }
.consent {
  display: flex; gap: 0.75rem; align-items: flex-start;
  font-size: var(--fs-sm); color: var(--ink-soft);
}
.consent input { width: 18px; height: 18px; margin-top: 0.22rem; flex: none; accent-color: var(--brand-900); }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: var(--fs-sm); color: var(--ink-soft); }

/* ------------------------------------------------------------- contacto */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.info-block { border-top: 2px solid var(--brand-900); padding-top: 1.2rem; }
.info-block + .info-block { margin-top: 2rem; }
.info-block h3 {
  font-family: var(--mono); font-size: var(--fs-label);
  font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--brand-500); margin-bottom: 0.75rem;
}
.info-block p, .info-block a { font-size: var(--fs-body); color: var(--ink); }
.info-block .small { font-size: var(--fs-sm); color: var(--ink-soft); margin-top: 0.4rem; }

/* -------------------------------------------------------------- insights */
.article {
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: minmax(0, 13rem) minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  scroll-margin-top: 100px;
}
.article:first-of-type { border-top: 0; padding-top: 0; }
.article .meta-col {
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.11em; text-transform: uppercase; color: var(--ink-soft);
  display: grid; gap: 0.5rem; align-content: start;
}
.article .meta-col .cat { color: var(--brand-500); }
.article h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 1.1rem; }
.article .body-col p { color: var(--ink-soft); max-width: 40rem; }
.article .body-col p + p { margin-top: 1.05rem; }
.article .linkedin {
  margin-top: 1.5rem;
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--brand-900); font-weight: 500; display: inline-block;
}
.article .linkedin::after { content: " →"; }

/* --------------------------------------------------------------- legal */
.legal { max-width: 44rem; }
.legal h2 { font-size: 1.5rem; margin: 2.75rem 0 1rem; }
.legal h2:first-child { margin-top: 0; }
.legal p, .legal li { color: var(--ink-soft); }
.legal p + p { margin-top: 1rem; }
.legal ul { margin: 1rem 0 0; padding-left: 1.15rem; display: grid; gap: 0.5rem; }
.legal .updated {
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft);
  margin-bottom: 2.5rem;
}

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
  .article { grid-template-columns: 1fr; gap: 1rem; }
  .article .meta-col { grid-auto-flow: column; justify-content: start; gap: 1rem; }
}

/* ==========================================================================
   INSIGHTS — sintomas em cartoes expansiveis
   ========================================================================== */
.sym-group + .sym-group { margin-top: clamp(3rem, 6vw, 4.5rem); }
.sym-head {
  display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 1rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}
.sym-head h2 { font-size: clamp(1.4rem, 2.2vw, 1.85rem); }
.sym-head .who {
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.13em; text-transform: uppercase; color: var(--brand-500);
}
.sym-head .lk {
  margin-left: auto;
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500;
}

.syms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr));
  gap: clamp(0.9rem, 1.6vw, 1.25rem);
}
.sym {
  align-self: start;
  border: 1px solid var(--hairline);
  background: var(--paper);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.sym[open] { border-color: var(--brand-900); box-shadow: 0 16px 40px rgba(0, 16, 50, 0.12); }
.sym:hover { border-color: var(--brand-500); }
.sym summary {
  list-style: none;
  cursor: pointer;
  padding: clamp(1.25rem, 2vw, 1.6rem);
  display: grid;
  gap: 0.9rem;
  align-content: start;
}
.sym summary::-webkit-details-marker { display: none; }
.sym summary h3 {
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--ink);
}
.sym .sign {
  font-size: var(--fs-sm);
  color: var(--ink-soft);
}
.sym .open-cue {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500;
  color: var(--brand-900);
  margin-top: 0.2rem;
}
.sym .open-cue .mark {
  width: 24px; height: 24px;
  border: 1px solid currentColor;
  display: grid; place-items: center;
  font-family: var(--body); font-size: 0.95rem; line-height: 1;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}
.sym[open] .open-cue .mark { background: var(--brand-900); color: #fff; transform: rotate(45deg); }
.sym .detail {
  padding: 1.2rem clamp(1.25rem, 2vw, 1.6rem) clamp(1.4rem, 2.2vw, 1.8rem);
  border-top: 1px solid var(--hairline);
}

/* aberto: ocupa a linha inteira para o texto ter medida legivel */
.sym[open] {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.75fr);
}
.sym[open] .detail {
  border-top: 0;
  border-left: 1px solid var(--hairline);
  padding-top: clamp(1.25rem, 2vw, 1.6rem);
}
.sym[open] .detail p { max-width: 42rem; }
@media (max-width: 860px) {
  .sym[open] { display: block; }
  .sym[open] .detail { border-left: 0; border-top: 1px solid var(--hairline); }
}
.sym .detail p { font-size: var(--fs-sm); color: var(--ink-soft); }
.sym .detail p + p { margin-top: 0.85rem; }
.sym .detail .fix {
  margin-top: 1.1rem;
  font-size: var(--fs-sm);
  color: var(--ink);
  border-left: 2px solid var(--brand-500);
  padding-left: 0.9rem;
}

/* ==========================================================================
   SOFTWARE — exemplos com imagem e resultados
   ========================================================================== */
.ex {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.4vw, 2rem);
}
@media (max-width: 760px) { .ex { grid-template-columns: 1fr; } }
.ex article { border: 1px solid var(--hairline); background: var(--paper); display: flex; flex-direction: column; }
.ex img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: saturate(0.85); }
.ex .txt { padding: clamp(1.35rem, 2.2vw, 1.85rem); display: flex; flex-direction: column; flex: 1; }
.ex .tag {
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand-500);
  margin-bottom: 0.7rem;
}
.ex h3 { font-size: 1.2rem; margin-bottom: 0.7rem; }
.ex p { font-size: var(--fs-sm); color: var(--ink-soft); }
.ex .res {
  margin-top: auto; padding-top: 1.1rem;
  border-top: 1px solid var(--hairline);
  display: grid; gap: 0.4rem;
}
.ex .res span {
  font-size: var(--fs-sm); color: var(--ink);
  padding-left: 1.05rem; position: relative;
}
.ex .res span::before {
  content: ""; position: absolute; left: 0; top: 0.6em;
  width: 5px; height: 5px; background: var(--brand-500);
}
.ex .res .lbl {
  font-family: var(--mono); font-size: var(--fs-label);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft);
  padding-left: 0;
}
.ex .res .lbl::before { display: none; }


/* ---------------------------------------------- casos: variante de tres */
.cases.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 980px) { .cases.three { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cases.three { grid-template-columns: 1fr; } }

.case .res {
  margin-top: auto;
  padding-top: 1.1rem;
  border-top: 1px solid var(--hairline);
  display: grid;
  gap: 0.55rem;
}
.case .res .lbl {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.case .res .r {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-size: var(--fs-sm);
  color: var(--ink);
}
.case .res .r b {
  font-family: var(--body);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--brand-900);
  font-variant-numeric: tabular-nums;
  flex: none;
  min-width: 4.4rem;
}

/* ==========================================================================
   MENU — submenu de serviços
   ========================================================================== */
.nav li { position: relative; }

.sub-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--body);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--ink);
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0.4rem 0;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}
.sub-toggle .chev {
  width: 7px; height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform 0.22s ease;
}
.has-sub:hover > .sub-toggle,
.sub-toggle:focus-visible,
.sub-toggle[aria-expanded="true"],
.open-parent > .sub-toggle {
  color: var(--brand-900);
  border-bottom-color: var(--brand-900);
}
.has-sub:hover > .sub-toggle .chev,
.sub-toggle[aria-expanded="true"] .chev { transform: rotate(-135deg) translate(-2px, -2px); }

.nav .sub {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 23rem;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-top: 2px solid var(--brand-900);
  box-shadow: 0 24px 56px rgba(0, 16, 50, 0.18);
  padding: 0.5rem;
  display: grid !important;
  grid-auto-flow: row;
  align-items: stretch;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 120;
}
.nav .sub::before {
  content: "";
  position: absolute; left: 0; right: 0; top: -20px; height: 20px;
}
.has-sub:hover > .sub,
.has-sub:focus-within > .sub,
.sub-toggle[aria-expanded="true"] + .sub {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav .sub li { width: 100%; }
.nav .sub a {
  display: grid;
  gap: 0.2rem;
  padding: 0.8rem 0.9rem;
  border-bottom: 0 !important;
  transition: background 0.16s ease;
}
.nav .sub a:hover, .nav .sub a:focus-visible { background: var(--paper-alt); }
.nav .sub a[aria-current="page"] { background: var(--paper-alt); box-shadow: inset 2px 0 0 var(--brand-900); }
.nav .sub a .t { font-size: var(--fs-sm); font-weight: 600; color: var(--brand-900); line-height: 1.25; }
.nav .sub a .d { font-size: 0.8rem; color: var(--ink-soft); line-height: 1.35; }

@media (max-width: 780px) {
  .nav li { position: static; }
  .sub-toggle { width: 100%; justify-content: space-between; padding: 0.9rem 0; border-bottom: 0; }
  .nav .sub {
    position: static; transform: none; min-width: 0; box-shadow: none;
    border: 0; border-top: 1px solid var(--hairline);
    padding: 0.35rem 0 0.9rem 0.9rem; margin-bottom: 0.3rem;
    opacity: 1; visibility: visible; pointer-events: auto;
    display: none !important;
  }
  .nav .has-sub > .sub,
  .nav .sub-toggle[aria-expanded="true"] + .sub,
  .nav .has-sub:hover > .sub,
  .nav .has-sub:focus-within > .sub { transform: none; left: auto; }
  .nav .has-sub:hover > .sub,
  .nav .has-sub:focus-within > .sub { display: none !important; }
  .nav .sub-toggle[aria-expanded="true"] + .sub { display: grid !important; }
  .nav .sub a { padding: 0.6rem 0; }
}