/* ═══════════════════════════════════════════════════════
   RAMMA — Institutional Site
   styles.css
   ═══════════════════════════════════════════════════════ */


/* ─── TOKENS ─────────────────────────────────────────── */
:root {
  /* Accent */
  --accent:       #9CDB1C;
  --accent-hover: #89BF17;
  --accent-soft:  rgba(156, 219, 28, 0.14);

  /* Graphite */
  --graphite-950: #111315;
  --graphite-900: #181B1F;
  --graphite-800: #23272D;
  --graphite-700: #323840;

  /* Gray */
  --gray-600: #4E5761;
  --gray-500: #69737D;
  --gray-400: #97A1AB;
  --gray-300: #C8D0D7;
  --gray-200: #DCE2E7;
  --gray-100: #EDF1F4;

  /* Surface */
  --surface:     #FFFFFF;
  --surface-alt: #F7F9FB;
  --border:      #D7DDE3;

  /* Typography */
  --font: 'DM Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Fira Code', 'Courier New', monospace;

  /* Layout */
  --container-max: 1160px;
  --container-pad: 28px;
  --section-pad:   96px;

  /* Radius */
  --radius:    6px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.07), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10), 0 4px 16px rgba(0, 0, 0, 0.06);

  /* Transitions */
  --t: 0.18s ease;
  --t-slow: 0.35s ease;
}


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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-600);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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


/* ─── LAYOUT ─────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--section-pad) 0;
}


/* ─── TYPOGRAPHY ─────────────────────────────────────── */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.18;
  color: var(--graphite-900);
  letter-spacing: -0.022em;
}

h1 { font-size: clamp(2rem, 4.2vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.0625rem; }

p { line-height: 1.75; }


/* ─── SECTION HEADER ─────────────────────────────────── */
.section__header {
  margin-bottom: 56px;
  max-width: 680px;
}

.section__title {
  margin-bottom: 14px;
}

.section__subtitle,
.section__intro {
  font-size: 1.0625rem;
  color: var(--gray-500);
  line-height: 1.75;
}


/* ─── SCROLL REVEAL ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.52s ease, transform 0.52s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}


/* ─── BUTTONS ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: background var(--t), color var(--t), border-color var(--t), box-shadow var(--t);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--accent);
  color: var(--graphite-950);
  border: 1.5px solid var(--accent);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn--outline {
  background: transparent;
  color: var(--graphite-900);
  border: 1.5px solid var(--border);
}
.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: var(--gray-400);
  background: var(--gray-100);
}

.btn--ghost {
  background: transparent;
  color: var(--graphite-900);
  border: 1.5px solid transparent;
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--border);
  background: var(--gray-100);
}

.btn--outline-light {
  background: transparent;
  color: var(--gray-200);
  border: 1.5px solid rgba(255, 255, 255, 0.22);
}
.btn--outline-light:hover,
.btn--outline-light:focus-visible {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.07);
}

.btn--large {
  padding: 13px 30px;
  font-size: 1rem;
}

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


/* ─── LOGO ───────────────────────────────────────────── */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo__mark {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.logo__wordmark {
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.14em;
  color: var(--graphite-900);
}

.logo--footer .logo__wordmark {
  color: var(--gray-200);
}


/* ─── HEADER ─────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--t);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 0;
}

/* Nav takes available space */
.nav {
  flex: 1;
  display: flex;
  margin-left: 28px;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav__link {
  padding: 6px 13px;
  font-size: 0.875rem;
  color: var(--gray-500);
  border-radius: var(--radius);
  transition: color var(--t), background var(--t);
  font-weight: 450;
}
.nav__link:hover {
  color: var(--graphite-900);
  background: var(--gray-100);
}
.nav__link--active {
  color: var(--graphite-900);
  background: var(--accent-soft);
}

.header__cta {
  margin-left: 20px;
  flex-shrink: 0;
}

/* Mobile toggle — hidden on desktop */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius);
  margin-left: auto;
  flex-shrink: 0;
}
.nav__toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--graphite-700);
  transition: transform var(--t), opacity var(--t);
  transform-origin: center;
}
.nav__toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav__toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }


/* ─── HERO ───────────────────────────────────────────── */
.hero {
  background: var(--surface);
  padding: 100px 0 88px;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 72px;
  align-items: center;
}

.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}

.hero__headline {
  margin-bottom: 22px;
  color: var(--graphite-950);
}

.hero__subheadline {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--graphite-700);
  margin-bottom: 18px;
  line-height: 1.65;
  max-width: 600px;
}

.hero__support {
  font-size: 0.9375rem;
  color: var(--gray-500);
  margin-bottom: 40px;
  max-width: 560px;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}


/* ─── HERO DIAGRAM ───────────────────────────────────── */
.hero__diagram {
  position: relative;
}

.diagram {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-lg);
}

/* Core block */
.diagram__core {
  background: var(--graphite-900);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-align: center;
  margin-bottom: 4px;
}

.diagram__core-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.diagram__core-sub {
  font-size: 0.7rem;
  color: var(--gray-500);
  margin-top: 3px;
  letter-spacing: 0.04em;
}

/* Connector — visual tree lines */
.diagram__connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 0;
  position: relative;
}

.diagram__connector-line {
  width: 1px;
  height: 10px;
  background: var(--border);
}

.diagram__connector-spread {
  display: flex;
  gap: 0;
  width: 100%;
  justify-content: space-around;
}

.diagram__connector-spread span {
  display: block;
  width: 1px;
  height: 8px;
  background: var(--border);
}

/* Layer blocks */
.diagram__layers {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 4px;
}

.diagram__layer {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 9px 12px;
}

.diagram__layer-num {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  font-family: var(--font-mono);
}

.diagram__layer-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gray-600);
}

/* Apps */
.diagram__apps-wrap {
  margin-top: 4px;
  padding-top: 4px;
}

.diagram__apps-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gray-400);
  text-align: center;
  margin-bottom: 6px;
}

.diagram__apps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}

.diagram__app {
  background: var(--graphite-800);
  border-radius: 4px;
  padding: 7px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gray-400);
  text-align: center;
  letter-spacing: 0.03em;
  transition: color var(--t);
}
.diagram__app:hover {
  color: var(--gray-200);
}


/* ─── SEÇÃO TESE ─────────────────────────────────────── */
.tese {
  background: var(--surface-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tese__text {
  font-size: 1.0625rem;
  color: var(--gray-600);
  max-width: 720px;
  margin-bottom: 56px;
  line-height: 1.82;
}

.tese__pillars {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}

.tese__pillar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t), border-color var(--t);
}
.tese__pillar:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--gray-300);
}

.tese__pillar h3 {
  font-size: 1rem;
  color: var(--graphite-900);
  margin-bottom: 8px;
  font-weight: 600;
}

.tese__pillar p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.68;
}

.tese__pillar-icon {
  width: 28px;
  height: 28px;
  margin-bottom: 16px;
  color: var(--accent);
}
.tese__pillar-icon svg {
  width: 100%;
  height: 100%;
}

.tese__separator {
  width: 28px;
  height: 28px;
  color: var(--gray-300);
  flex-shrink: 0;
}
.tese__separator svg {
  width: 100%;
  height: 100%;
}


/* ─── SEÇÃO FAZ ──────────────────────────────────────── */
.faz {
  background: var(--surface);
}

.faz__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t), border-color var(--t), transform var(--t);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--gray-300);
  transform: translateY(-2px);
}

.card__number {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 18px;
  font-family: var(--font-mono);
}

.card__title {
  font-size: 1.0625rem;
  color: var(--graphite-900);
  margin-bottom: 12px;
  font-weight: 600;
}

.card__text {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.72;
}


/* ─── SEÇÃO PLATAFORMA ───────────────────────────────── */
.plataforma {
  background: var(--surface-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.plataforma__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.plataforma__layer {
  background: var(--surface);
  padding: 38px 32px;
  border-right: 1px solid var(--border);
  transition: background var(--t);
}
.plataforma__layer:last-child {
  border-right: none;
}
.plataforma__layer:hover {
  background: #fdfdfd;
}

.plataforma__layer-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-family: var(--font-mono);
}

.plataforma__layer-title {
  font-size: 1.0625rem;
  color: var(--graphite-900);
  margin-bottom: 12px;
  font-weight: 600;
}

.plataforma__layer-text {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.72;
}

.plataforma__note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--gray-400);
  font-style: italic;
}


/* ─── SEÇÃO FRENTES ──────────────────────────────────── */
.frentes {
  background: var(--surface);
}

.frentes__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.frente {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  background: var(--surface);
  transition: border-color var(--t), box-shadow var(--t);
}
.frente:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.frente__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.frente__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.frente__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--graphite-900);
}

.frente__text {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.72;
}


/* ─── SEÇÃO SEGURANÇA ────────────────────────────────── */
.seguranca {
  background: var(--graphite-950);
}

.seguranca .section__title {
  color: var(--surface);
}

.seguranca .section__intro {
  color: var(--gray-400);
}

.seguranca__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.pilar {
  background: var(--graphite-900);
  border: 1px solid var(--graphite-700);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  transition: border-color var(--t), background var(--t);
}
.pilar:hover {
  border-color: var(--accent);
  background: var(--graphite-800);
}

/* 3 pillars in row 1 */
.pilar:nth-child(1) { grid-column: span 2; }
.pilar:nth-child(2) { grid-column: span 2; }
.pilar:nth-child(3) { grid-column: span 2; }
/* 2 centered pillars in row 2 */
.pilar:nth-child(4) { grid-column: 2 / span 2; }
.pilar:nth-child(5) { grid-column: 4 / span 2; }

.pilar__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-200);
  margin-bottom: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  line-height: 1.3;
}

.pilar__text {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.7;
}


/* ─── SEÇÃO BLACK BOX ────────────────────────────────── */
.blackbox {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.blackbox__inner {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 80px;
  align-items: start;
}

.blackbox__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.blackbox__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--graphite-950);
  margin-bottom: 20px;
  letter-spacing: -0.025em;
}

.blackbox__text {
  font-size: 1rem;
  color: var(--gray-600);
  margin-bottom: 32px;
  line-height: 1.78;
  max-width: 520px;
}

.blackbox__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.blackbox__feature {
  display: flex;
  align-items: center;
  gap: 12px;
}

.blackbox__feature-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.blackbox__feature span:last-child {
  font-size: 0.9375rem;
  color: var(--gray-600);
  font-weight: 450;
}

.blackbox__obs {
  font-size: 0.875rem;
  color: var(--graphite-700);
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  max-width: 460px;
  line-height: 1.65;
}


/* ─── BLACK BOX DIAGRAM ──────────────────────────────── */
.blackbox__visual {
  padding-top: 8px;
}

.bb-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bb-step {
  width: 100%;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-align: center;
}

.bb-step--input   { border-top: 3px solid var(--accent); }
.bb-step--process { border-top: 3px solid var(--graphite-700); }
.bb-step--output  { border-top: 3px solid var(--graphite-900); }

.bb-step__label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  margin-bottom: 4px;
  font-family: var(--font-mono);
}

.bb-step__desc {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
}

.bb-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 4px 0;
}

.bb-connector__line {
  width: 1px;
  height: 12px;
  background: var(--border);
}

.bb-connector__arrow {
  font-size: 0.875rem;
  color: var(--gray-300);
  line-height: 1;
}


/* ─── SEÇÃO CTA FINAL ────────────────────────────────── */
.cta-final {
  background: var(--graphite-900);
  padding: var(--section-pad) 0;
}

.cta-final__inner {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-final__title {
  color: var(--surface);
  margin-bottom: 18px;
  font-size: clamp(1.5rem, 3vw, 2.125rem);
}

.cta-final__text {
  color: var(--gray-400);
  font-size: 1.0625rem;
  margin-bottom: 40px;
  line-height: 1.75;
}

.cta-final__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}


/* ─── FOOTER ─────────────────────────────────────────── */
.footer {
  background: var(--graphite-950);
  border-top: 1px solid var(--graphite-800);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 56px;
  padding: 56px 0 48px;
}

.footer__tagline {
  margin-top: 14px;
  font-size: 0.875rem;
  color: var(--gray-600);
  max-width: 240px;
  line-height: 1.68;
}

.footer__nav-label,
.footer__contact-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-600);
  margin-bottom: 14px;
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__nav a {
  font-size: 0.875rem;
  color: var(--gray-500);
  transition: color var(--t);
}
.footer__nav a:hover {
  color: var(--surface);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__contact-link {
  font-size: 0.875rem;
  color: var(--gray-500);
  transition: color var(--t);
}
.footer__contact-link:hover {
  color: var(--accent);
}

.footer__bottom {
  border-top: 1px solid var(--graphite-800);
  padding: 20px 0;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: var(--gray-600);
  text-align: center;
}


/* ─── RESPONSIVE — 1024px ────────────────────────────── */
@media (max-width: 1024px) {
  :root {
    --section-pad: 80px;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero__diagram {
    max-width: 500px;
  }

  .tese__pillars {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
  }

  .tese__separator {
    display: none;
  }

  .plataforma__grid {
    grid-template-columns: 1fr;
    border-radius: var(--radius-lg);
  }

  .plataforma__layer {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .plataforma__layer:last-child {
    border-bottom: none;
  }

  .seguranca__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .pilar:nth-child(1) { grid-column: span 2; }
  .pilar:nth-child(2) { grid-column: span 2; }
  .pilar:nth-child(3) { grid-column: span 2; }
  .pilar:nth-child(4) { grid-column: span 2; }
  .pilar:nth-child(5) { grid-column: 2 / span 2; }

  .blackbox__inner {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .blackbox__visual {
    max-width: 380px;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}


/* ─── RESPONSIVE — 768px ─────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --section-pad: 64px;
    --container-pad: 20px;
  }

  /* Header */
  .header__cta {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 12px 20px 20px;
    z-index: 199;
    flex-direction: column;
    margin-left: 0;
  }

  .nav.open {
    display: flex;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .nav__link {
    display: block;
    padding: 10px 14px;
    font-size: 0.9375rem;
  }

  /* Hero */
  .hero {
    padding: 64px 0 56px;
  }

  /* Tese */
  .tese__pillars {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Grids */
  .faz__grid,
  .frentes__grid {
    grid-template-columns: 1fr;
  }

  /* Segurança */
  .seguranca__grid {
    grid-template-columns: 1fr;
  }
  .pilar:nth-child(n) {
    grid-column: auto;
  }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 32px;
  }
  .footer__brand {
    grid-column: auto;
  }
}


/* ─── RESPONSIVE — 480px ─────────────────────────────── */
@media (max-width: 480px) {
  .hero__actions,
  .cta-final__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-final__actions {
    align-items: center;
  }

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

  .blackbox__inner {
    gap: 40px;
  }
}