/* ============================================================
   Bruno Dias Soluções em Tecnologia — Design System
   Fonts: Space Grotesk (headings) + Work Sans (body)
   Brand green: #0f5a50
   ============================================================ */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brand:        #0f5a50;
  --brand-dark:   #09403a;
  --brand-light:  #1a7a6e;
  --dark:         #0c1c19;
  --dark-2:       #152e29;
  --text:         #162420;
  --text-muted:   #5c706d;
  --border:       #d2e2df;
  --bg-light:     #f4f7f6;
  --bg-white:     #fafcfb;
  --accent-bg:    #0f5a50;
  --cta-bg:       #0b2520;

  --ff-head: 'Space Grotesk', sans-serif;
  --ff-body: 'Work Sans', sans-serif;

  --radius: 4px;
  --radius-lg: 8px;
  --transition: 200ms ease;

  --container: 1200px;
  --section-v: clamp(64px, 8vw, 112px);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--ff-head);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 500; }

p { text-wrap: pretty; }

.eyebrow {
  font-family: var(--ff-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 0.75rem;
}

.lead {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 54ch;
}

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
}

.section {
  padding-block: var(--section-v);
}

.section-light  { background: var(--bg-light); }
.section-dark   { background: var(--dark); color: #e8f2f0; }
.section-accent { background: var(--accent-bg); color: #e8f2f0; }
.section-cta    { background: var(--cta-bg); color: #e8f2f0; }

.section-dark  .eyebrow,
.section-accent .eyebrow,
.section-cta   .eyebrow { color: #7ecfc5; }

.section-dark  h2,
.section-accent h2,
.section-cta   h2 { color: #f0f9f7; }

.section-dark  p,
.section-accent p,
.section-cta   p { color: #a8cdc8; }

.section-head {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.section-head h2 { margin-bottom: 1rem; }
.section-head p  { margin-inline: auto; }

/* ── Skip Link ────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--brand);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  z-index: 1000;
  transition: top var(--transition);
}
.skip-link:focus { top: 1rem; }

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  background: oklch(98% 0.008 165 / 0.95);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--brand);
  color: #fff;
  font-family: var(--ff-head);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-text strong { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.brand-text span   { font-size: 0.75rem; color: var(--text-muted); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.site-nav a:hover         { color: var(--brand); background: var(--bg-light); }
.site-nav a[aria-current] { color: var(--brand); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* nav open state */
.site-nav.is-open {
  display: flex !important;
}

/* ── Buttons ──────────────────────────────────────────────── */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--ff-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.button:hover { transform: translateY(-1px); }

.button-primary {
  background: var(--brand);
  color: #fff;
}
.button-primary:hover {
  background: var(--brand-light);
  box-shadow: 0 4px 16px oklch(35% 0.08 165 / 0.3);
}

.button-secondary {
  background: transparent;
  color: var(--brand);
  border: 1.5px solid var(--brand);
}
.button-secondary:hover {
  background: var(--bg-light);
}

.section-dark  .button-secondary,
.section-accent .button-secondary,
.section-cta   .button-secondary {
  color: #e8f2f0;
  border-color: oklch(70% 0.05 165);
}
.section-dark  .button-secondary:hover,
.section-accent .button-secondary:hover,
.section-cta   .button-secondary:hover {
  background: oklch(25% 0.04 165 / 0.4);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.text-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  transition: gap var(--transition);
}
.text-link::after { content: '→'; }
.text-link:hover  { gap: 0.6rem; }

/* ── Hero (Home) ──────────────────────────────────────────── */
.hero-home {
  background: var(--bg-white);
  padding-block: clamp(64px, 8vw, 112px) 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-bottom: clamp(48px, 6vw, 80px);
}

.hero-copy h1 { margin-bottom: 1.25rem; }

.hero-points {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.hero-points li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 1.25rem;
  position: relative;
}
.hero-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--brand);
  border-radius: 50%;
}

.hero-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-light);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

/* Hero image placeholder */
.hero-media-placeholder {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.hero-band {
  background: var(--brand);
  color: #fff;
}

.band-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.band-grid > div {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.75rem 2rem;
  border-right: 1px solid oklch(50% 0.08 165 / 0.3);
}
.band-grid > div:last-child { border-right: none; }
.band-grid strong { font-size: 0.95rem; font-weight: 600; }
.band-grid span   { font-size: 0.82rem; opacity: 0.8; }

/* ── Page Hero (inner pages) ──────────────────────────────── */
.page-hero {
  background: var(--dark);
  color: #f0f9f7;
  padding-block: clamp(48px, 7vw, 96px);
}

.page-hero-inner h1 { margin-block: 0.75rem 1.25rem; }
.page-hero-inner .lead { color: #8bbfba; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: #7ecfc5;
  margin-bottom: 1.25rem;
}
.breadcrumb a { color: inherit; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { opacity: 0.4; }

/* ── Service Overview Grid ────────────────────────────────── */
.service-overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 0;
}

/* ── Feature Card ─────────────────────────────────────────── */
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}
.feature-card h3 { margin-bottom: 0.75rem; color: var(--brand); }
.feature-card p  { color: var(--text-muted); font-size: 0.9rem; flex: 1; }

.section-accent .feature-card,
.section-dark   .feature-card {
  background: oklch(20% 0.03 165 / 0.4);
  border-color: oklch(50% 0.05 165 / 0.3);
}
.section-accent .feature-card h3,
.section-dark   .feature-card h3 { color: #7ecfc5; }
.section-accent .feature-card p,
.section-dark   .feature-card p  { color: #a8cdc8; }

/* ── Metric Grid ──────────────────────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ── Result Card ──────────────────────────────────────────── */
.result-card {
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  background: oklch(30% 0.05 165 / 0.35);
  border: 1px solid oklch(55% 0.06 165 / 0.25);
}
.result-card h3 { color: #c0e8e2; margin-bottom: 0.6rem; }
.result-card p  { color: #8bbfba; font-size: 0.9rem; }

/* ── Split Grid ───────────────────────────────────────────── */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.split-copy h2 { margin-bottom: 1rem; }
.split-copy p  { color: var(--text-muted); }
.section-dark .split-copy p,
.section-accent .split-copy p { color: #a8cdc8; }

/* ── Service List ─────────────────────────────────────────── */
.service-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.5rem 0;
  border-bottom: 1px solid oklch(50% 0.05 165 / 0.15);
}
.service-item:last-child { border-bottom: none; }
.service-item h3 { margin-bottom: 0.35rem; }
.service-item p  { font-size: 0.875rem; color: var(--text-muted); }

.section-dark .service-item { border-color: oklch(50% 0.05 165 / 0.2); }
.section-dark .service-item h3 { color: #e0f0ee; }
.section-dark .service-item p  { color: #7aafaa; }

.service-index {
  font-family: var(--ff-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--brand);
  padding-top: 0.2rem;
}
.section-dark .service-index { color: #7ecfc5; }

/* ── Pills ────────────────────────────────────────────────── */
.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.pill {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.pill-dark {
  background: oklch(25% 0.04 165 / 0.5);
  border-color: oklch(50% 0.06 165 / 0.3);
  color: #c0e8e2;
}

.pill-grid-dark { justify-content: flex-start; }
.section-dark .pill-grid { justify-content: flex-start; }

/* ── Coverage List ────────────────────────────────────────── */
.coverage-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── Complement Grid ──────────────────────────────────────── */
.complement-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* ── Material Card ────────────────────────────────────────── */
.material-card {
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  background: oklch(30% 0.05 165 / 0.35);
  border: 1px solid oklch(55% 0.06 165 / 0.2);
}
.material-card h3 { color: #c0e8e2; margin-bottom: 0.6rem; font-size: 1rem; }
.material-card p  { color: #8bbfba; font-size: 0.875rem; line-height: 1.55; }

/* ── Mini Blog ────────────────────────────────────────────── */
.mini-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.blog-card {
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.section-accent .blog-card,
.section-dark   .blog-card {
  background: oklch(25% 0.04 165 / 0.4);
  border-color: oklch(50% 0.05 165 / 0.25);
}

.blog-meta {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand);
}
.section-accent .blog-meta,
.section-dark   .blog-meta { color: #7ecfc5; }

.blog-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.section-accent .blog-card h3,
.section-dark   .blog-card h3 { color: #d8f0ec; }

.blog-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.section-accent .blog-card p,
.section-dark   .blog-card p { color: #8bbfba; }

/* ── CTA Section ──────────────────────────────────────────── */
.cta-shell {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

.cta-shell h2 { margin-block: 0.75rem 1rem; }

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* ── Contact Grid ─────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.contact-card {
  border-radius: var(--radius-lg);
  padding: 2rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
}
.contact-card h2, .contact-card h3 { margin-bottom: 0.75rem; }
.contact-card p  { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }
.contact-card .button { margin-top: 1.25rem; }

.contact-card-dark {
  background: oklch(22% 0.04 165 / 0.5);
  border-color: oklch(50% 0.05 165 / 0.25);
}
.contact-card-dark h2 { color: #d8f0ec; }
.contact-card-dark p  { color: #8bbfba; }
.contact-card-dark ul { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.4rem; }
.contact-card-dark li { font-size: 0.875rem; color: #8bbfba; padding-left: 1rem; position: relative; }
.contact-card-dark li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: #7ecfc5;
}

/* ── Coverage Brand Grid ──────────────────────────────────── */
.coverage-brand-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.coverage-brand-grid .contact-card h3 { color: #c0e8e2; }
.coverage-brand-grid .contact-card p  { color: #8bbfba; }
.coverage-brand-grid .contact-card {
  background: oklch(28% 0.05 165 / 0.4);
  border-color: oklch(50% 0.05 165 / 0.2);
}
.coverage-brand-grid .pill-grid { justify-content: flex-start; margin-top: 0.75rem; }

/* ── FAQ ──────────────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 760px;
  margin-inline: auto;
}

.faq-item {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item h2 { font-size: 1.05rem; margin-bottom: 0.6rem; }
.faq-item p  { font-size: 0.9rem; color: var(--text-muted); }

/* ── Form ─────────────────────────────────────────────────── */
.form-shell {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
}

.contact-form {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid oklch(55% 0.06 165 / 0.2);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field-full { grid-column: 1 / -1; }

.field span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 0.9rem;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-white);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px oklch(40% 0.1 165 / 0.12);
}

.field textarea { resize: vertical; }

.contact-form .button-row { margin-top: 1.5rem; }

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

.info-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--dark);
  color: #c0d8d4;
  padding-top: clamp(48px, 6vw, 80px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid oklch(40% 0.04 165 / 0.3);
}

.footer-brand .brand-mark { background: var(--brand-light); }
.footer-brand .brand-text strong { color: #f0f9f7; }
.footer-brand .brand-text span   { color: #6aaca5; }

.footer-copy {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: #6aaca5;
  line-height: 1.6;
  max-width: 34ch;
}

.site-footer h2 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7ecfc5;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a,
.footer-links span {
  font-size: 0.875rem;
  color: #8bbfba;
  transition: color var(--transition);
  display: inline-block;
}

.footer-links a:hover { color: #c0e8e2; }

.footer-bottom {
  padding-block: 1.5rem;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: #5a8880;
  text-align: center;
}

/* ── Floating WhatsApp ────────────────────────────────────── */
.floating-whatsapp {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 300;
  background: #25d366;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.7rem 1.2rem;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}
.floating-whatsapp::before {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.floating-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

/* ── Reveal Animation ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ── Hero Image Placeholder ───────────────────────────────── */
.img-placeholder {
  width: 100%;
  height: 100%;
  min-height: 300px;
  background: repeating-linear-gradient(
    45deg,
    var(--bg-light) 0px,
    var(--bg-light) 10px,
    #e8edec 10px,
    #e8edec 20px
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: monospace;
  text-align: center;
  padding: 2rem;
  line-height: 1.5;
}

/* ── Nav Active State ─────────────────────────────────────── */
[data-page="cftv"]          .site-nav a[href="cftv.html"],
[data-page="controle"]      .site-nav a[href="controle-de-acesso.html"],
[data-page="redes"]         .site-nav a[href="redes-e-conectividade.html"],
[data-page="infraestrutura"] .site-nav a[href="infraestrutura-eletrica.html"],
[data-page="sobre"]         .site-nav a[href="sobre.html"],
[data-page="contato"]       .site-nav a[href="contato.html"] {
  color: var(--brand);
  background: var(--bg-light);
}
[data-page="home"] .site-nav a[href="index.html"] {
  color: var(--brand);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .service-overview-grid { grid-template-columns: repeat(2, 1fr); }
  .complement-grid        { grid-template-columns: repeat(2, 1fr); }
  .hero-grid              { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-media             { aspect-ratio: 16/7; }
  .band-grid              { grid-template-columns: 1fr; }
  .band-grid > div        { border-right: none; border-bottom: 1px solid oklch(50% 0.08 165 / 0.3); }
  .band-grid > div:last-child { border-bottom: none; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: fixed;
    inset: 68px 0 0 0;
    background: var(--bg-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 0.25rem;
    border-top: 1px solid var(--border);
    overflow-y: auto;
    z-index: 199;
  }

  .site-nav a {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }

  .nav-cta { margin-top: 0.5rem; }

  .split-grid           { grid-template-columns: 1fr; }
  .metric-grid          { grid-template-columns: 1fr; }
  .mini-blog-grid       { grid-template-columns: 1fr; }
  .cta-shell            { grid-template-columns: 1fr; gap: 2rem; }
  .cta-actions          { flex-direction: row; flex-wrap: wrap; }
  .contact-grid         { grid-template-columns: 1fr; }
  .coverage-brand-grid  { grid-template-columns: 1fr; }
  .form-shell           { grid-template-columns: 1fr; }
  .form-grid            { grid-template-columns: 1fr; }
  .footer-grid          { grid-template-columns: 1fr; gap: 2rem; }
  .footer-copy          { max-width: none; }
  .pill-grid            { justify-content: flex-start; }
}

@media (max-width: 560px) {
  .service-overview-grid { grid-template-columns: 1fr; }
  .complement-grid        { grid-template-columns: 1fr; }
  .button-row             { flex-direction: column; }
  .button-row .button     { width: 100%; justify-content: center; }
  .cta-actions .button    { width: 100%; justify-content: center; }
}