/* ══════════════════════════════════════════════════════════════
   MACCA.IA.BR — Home v2 · design system da marca
   Tokens: navy #0D1B2A · navy2 #12243A · blue #1A56DB · cyan #06B6D4
   Tipografia: Sora (site) · DM Mono (labels técnicos)
   ══════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:  #0D1B2A;
  --navy2: #12243A;
  --blue:  #1A56DB;
  --cyan:  #06B6D4;
  --white: #FFFFFF;
  --gray:  #94A3B8;
  --text:    rgba(255,255,255,0.72);
  --text-2:  rgba(255,255,255,0.42);
  --border:  rgba(255,255,255,0.08);
  --border-2:rgba(255,255,255,0.16);
  --glass:   rgba(255,255,255,0.03);
  --radius: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Sora', sans-serif;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(26,86,219,0.16), transparent 60%),
    radial-gradient(900px 700px at -10% 110%, rgba(6,182,212,0.10), transparent 60%),
    linear-gradient(115deg, var(--navy) 0%, var(--navy2) 100%);
  background-attachment: fixed;
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
em { font-style: normal; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 28px; }

/* estrelas sutis (interstellar) */
.bg-stars {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image:
    radial-gradient(1px 1px at 12% 22%, rgba(255,255,255,0.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 46% 8%,  rgba(255,255,255,0.35) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 71% 33%, rgba(6,182,212,0.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 88% 62%, rgba(255,255,255,0.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 71%, rgba(255,255,255,0.3) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 61% 87%, rgba(26,86,219,0.55) 50%, transparent 51%),
    radial-gradient(1px 1px at 5% 48%,  rgba(255,255,255,0.35) 50%, transparent 51%);
  background-size: 1200px 900px;
}

/* ── reveal on scroll (só esconde se JS ativo) ────────────── */
.js [data-animate] { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js [data-animate].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js [data-animate] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ── tipografia base ──────────────────────────────────────── */
.label {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'DM Mono', monospace;
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 14px;
}
.label::before { content: ''; width: 22px; height: 1px; background: var(--cyan); opacity: 0.8; }

.section-title {
  font-size: clamp(30px, 4.2vw, 46px);
  font-weight: 700; line-height: 1.1; letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-title .accent, .accent { color: var(--cyan); }
.section-title-sm { font-size: clamp(22px, 3vw, 30px); font-weight: 700; letter-spacing: -0.01em; }
.section-sub { font-size: 16px; color: var(--gray); max-width: 540px; line-height: 1.7; }

/* barra de acento da marca sob o header de seção */
.section-header { margin-bottom: 56px; position: relative; }
.section-header::after {
  content: ''; display: block; margin-top: 22px;
  width: 76px; height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, var(--cyan) 0 38%, var(--blue) 38% 100%);
}

.section { padding: 110px 0; position: relative; z-index: 1; }
.section-alt { background: rgba(255,255,255,0.018); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-slim { padding: 80px 0; }

/* ── botões ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: 'Sora', sans-serif; font-size: 14px; font-weight: 600;
  padding: 14px 26px; border-radius: 12px; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s, border-color 0.25s;
  will-change: transform;
}
.btn svg { transition: transform 0.25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue), #1e63f0);
  color: var(--white);
  box-shadow: 0 8px 28px rgba(26,86,219,0.35), inset 0 1px 0 rgba(255,255,255,0.18);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(26,86,219,0.5), inset 0 1px 0 rgba(255,255,255,0.18); }
.btn-ghost { color: var(--text); border-color: var(--border-2); background: transparent; }
.btn-ghost:hover { color: var(--white); border-color: rgba(6,182,212,0.5); background: rgba(6,182,212,0.06); }
.btn-outline { color: var(--white); border-color: var(--border-2); background: var(--glass); width: 100%; }
.btn-outline:hover { border-color: var(--cyan); background: rgba(6,182,212,0.08); transform: translateY(-2px); }
.btn-lg { font-size: 16px; padding: 17px 34px; border-radius: 14px; }

/* ── navbar ───────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(13,27,42,0.72);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
.navbar.scrolled { background: rgba(13,27,42,0.92); border-color: var(--border); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-mono {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--navy2); border: 1px solid var(--border-2);
  font-weight: 800; font-size: 15px; color: var(--white);
  position: relative;
}
.nav-mono::after {
  content: ''; position: absolute; left: 6px; right: 6px; bottom: 4px; height: 2.5px; border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan) 0 38%, var(--blue) 38% 100%);
}
.nav-name { font-size: 13px; font-weight: 700; letter-spacing: 2px; }
.nav-name em { color: var(--cyan); }
.nav-menu { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-menu a { font-size: 13.5px; color: var(--text-2); padding: 7px 13px; border-radius: 8px; transition: color 0.2s, background 0.2s; }
.nav-menu a:hover { color: var(--white); background: rgba(255,255,255,0.06); }
.nav-cta {
  background: var(--blue) !important; color: var(--white) !important;
  font-weight: 600 !important; margin-left: 6px;
  box-shadow: 0 4px 18px rgba(26,86,219,0.35);
}
.nav-cta:hover { background: #1e63f0 !important; }
.lang-toggle {
  display: flex; align-items: center; gap: 4px; margin-left: 14px;
  background: transparent; border: 1px solid var(--border-2); border-radius: 8px;
  padding: 6px 10px; cursor: pointer;
  font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 1px;
  color: var(--text); transition: border-color 0.2s, color 0.2s;
}
.lang-toggle:hover { border-color: var(--cyan); color: var(--white); }
.lang-code { color: var(--cyan); font-weight: 500; }
.lang-sep { opacity: 0.4; }
.lang-alt { opacity: 0.55; }
.mobile-menu-toggle { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; padding: 6px; }
.mobile-menu-toggle span { width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: 0.3s; }

/* ── hero ─────────────────────────────────────────────────── */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; padding: 150px 0 90px; overflow: hidden; z-index: 1; }
.hero-mesh { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.85; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(120px); z-index: 0; pointer-events: none; }
.hero-glow-blue { width: 560px; height: 560px; top: -220px; right: -140px; background: rgba(26,86,219,0.22); }
.hero-glow-cyan { width: 420px; height: 420px; bottom: -200px; left: -120px; background: rgba(6,182,212,0.13); }
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 64px; align-items: center; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'DM Mono', monospace; font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(6,182,212,0.3); border-radius: 100px;
  padding: 8px 18px; margin-bottom: 28px;
  background: rgba(6,182,212,0.05);
}
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(6,182,212,0.5); } 55% { box-shadow: 0 0 0 8px rgba(6,182,212,0); } }

.hero-title { font-size: clamp(38px, 5.6vw, 62px); font-weight: 800; line-height: 1.06; letter-spacing: -0.03em; margin-bottom: 24px; }
.hero-title span { display: block; }
.hero-title .accent { color: var(--cyan); display: inline; }
.hero-title .dot { display: inline; color: var(--blue); }
.hero-sub { font-size: 17px; color: var(--gray); max-width: 520px; margin-bottom: 36px; line-height: 1.75; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-note { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); }
.hero-note svg { color: var(--cyan); flex-shrink: 0; }

.profile-card {
  position: relative; border-radius: 24px; overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--border-2);
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
}
.profile-ring {
  position: absolute; inset: -1px; border-radius: 24px; pointer-events: none; z-index: 2;
  background: linear-gradient(135deg, rgba(6,182,212,0.4), transparent 30%, transparent 70%, rgba(26,86,219,0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  padding: 1px;
}
.profile-img { width: 100%; aspect-ratio: 4/4.6; object-fit: cover; object-position: top; }
.profile-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 20px;
  background: rgba(10,20,32,0.84); backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
}
.profile-name { font-weight: 700; font-size: 15px; }
.profile-role { font-size: 12px; color: var(--gray); }
.profile-badge { text-align: center; padding: 8px 14px; border-radius: 12px; background: rgba(6,182,212,0.1); border: 1px solid rgba(6,182,212,0.25); }
.badge-num { display: block; font-weight: 800; font-size: 20px; color: var(--cyan); line-height: 1; }
.badge-label { font-size: 10px; color: var(--gray); letter-spacing: 0.5px; }

/* ── prova social ─────────────────────────────────────────── */
.proof { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.015); position: relative; z-index: 1; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-item { padding: 34px 20px; text-align: center; position: relative; }
.proof-item + .proof-item::before { content: ''; position: absolute; left: 0; top: 28%; bottom: 28%; width: 1px; background: var(--border); }
.proof-num { display: block; font-weight: 800; font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -0.02em; line-height: 1.1; }
.proof-num em { font-size: 0.5em; color: var(--cyan); margin-left: 2px; }
.proof-label { font-size: 13px; color: var(--gray); }

/* ── kits ─────────────────────────────────────────────────── */
.kits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.kit-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--glass); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
.kit-card:hover { transform: translateY(-6px); border-color: rgba(6,182,212,0.35); box-shadow: 0 24px 60px rgba(0,0,0,0.35); }
.kit-card.featured {
  background: linear-gradient(180deg, rgba(26,86,219,0.12), rgba(255,255,255,0.02));
  border-color: rgba(26,86,219,0.45);
}
.kit-card.featured:hover { border-color: var(--cyan); }
.kit-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  padding: 6px 16px; border-radius: 100px; white-space: nowrap;
}
.kit-tag { font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--cyan); margin-bottom: 14px; }
.kit-name { font-size: 24px; font-weight: 700; margin-bottom: 6px; }
.kit-price { font-size: 32px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 14px; }
.kit-price-custom { font-size: 21px; color: var(--cyan); }
.kit-desc { font-size: 14px; color: var(--gray); margin-bottom: 22px; line-height: 1.6; }
.kit-items { list-style: none; margin-bottom: 28px; flex: 1; }
.kit-items li {
  position: relative; padding: 8px 0 8px 26px;
  font-size: 13.5px; color: var(--text);
  border-bottom: 1px dashed var(--border);
}
.kit-items li:last-child { border-bottom: none; }
.kit-items li::before {
  content: ''; position: absolute; left: 2px; top: 14px;
  width: 12px; height: 7px;
  border-left: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}
.kit-cta { margin-top: auto; }
.kit-card.featured .kit-cta { width: 100%; }

/* ── método ───────────────────────────────────────────────── */
.camadas-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 64px; }
.camada-card {
  background: var(--glass); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; position: relative; overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s;
}
.camada-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--cyan) 0 38%, var(--blue) 38% 100%);
  opacity: 0; transition: opacity 0.35s;
}
.camada-card:hover { transform: translateY(-4px); border-color: var(--border-2); }
.camada-card:hover::before { opacity: 1; }
.camada-badge {
  font-family: 'DM Mono', monospace; font-weight: 500; font-size: 13px;
  color: var(--cyan); background: rgba(6,182,212,0.1); border: 1px solid rgba(6,182,212,0.25);
  display: inline-block; padding: 4px 10px; border-radius: 8px; margin-bottom: 16px;
}
.camada-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.camada-card p { font-size: 13.5px; color: var(--gray); line-height: 1.6; }

.steps { display: flex; list-style: none; counter-reset: step; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--glass); }
.steps li { flex: 1; padding: 24px 22px; position: relative; counter-increment: step; }
.steps li + li { border-left: 1px solid var(--border); }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: 'DM Mono', monospace; font-size: 12px; color: var(--cyan);
  display: block; margin-bottom: 10px;
}
.steps strong { display: block; font-size: 14.5px; font-weight: 700; margin-bottom: 4px; }
.steps span { font-size: 12.5px; color: var(--gray); line-height: 1.5; display: block; }

/* ── feedbacks ────────────────────────────────────────────── */
.feedbacks-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.feedback-card {
  background: var(--glass); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 30px; display: flex; flex-direction: column; gap: 22px;
  transition: transform 0.35s var(--ease), border-color 0.35s;
}
.feedback-card:hover { transform: translateY(-4px); border-color: rgba(6,182,212,0.3); }
.feedback-card blockquote { font-size: 15px; color: var(--text); line-height: 1.75; flex: 1; }
.feedback-card figcaption { display: flex; align-items: center; gap: 14px; }
.fb-avatar {
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: var(--cyan);
  background: rgba(6,182,212,0.1); border: 1px solid rgba(6,182,212,0.3);
}
.feedback-card figcaption strong { display: block; font-size: 14px; }
.feedback-card figcaption em { display: block; font-size: 12px; color: var(--gray); }

/* ── sobre ────────────────────────────────────────────────── */
.sobre-grid { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 64px; align-items: start; }
.sobre-text p { color: var(--text); font-size: 15.5px; margin-bottom: 18px; line-height: 1.8; }
.sobre-text strong { color: var(--white); }
.sobre-text em { color: var(--cyan); }
.filosofia {
  margin-top: 28px; padding: 22px 26px;
  border-left: 4px solid; border-image: linear-gradient(180deg, var(--cyan), var(--blue)) 1;
  background: rgba(6,182,212,0.05); border-radius: 0 12px 12px 0;
  font-size: 15px; color: var(--text); line-height: 1.75;
}
.sobre-timeline { display: flex; flex-direction: column; gap: 0; position: sticky; top: 100px; }
.tl-item {
  display: flex; gap: 18px; align-items: baseline; padding: 16px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 13.5px; color: var(--gray);
}
.tl-year { font-family: 'DM Mono', monospace; font-weight: 500; font-size: 17px; color: var(--cyan); min-width: 56px; }
.stack-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.stack-tags span {
  font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 0.5px;
  color: var(--text); border: 1px solid var(--border-2); border-radius: 100px;
  padding: 5px 12px;
}

/* ── artigos ──────────────────────────────────────────────── */
.artigos-row-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 36px; }
.link-arrow { font-size: 14px; font-weight: 600; color: var(--cyan); white-space: nowrap; }
.link-arrow::after { content: ' →'; transition: margin-left 0.2s; }
.link-arrow:hover::after { margin-left: 4px; }
.artigos-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.artigo-mini {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--glass); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.35s var(--ease), border-color 0.35s;
}
.artigo-mini:hover { transform: translateY(-4px); border-color: rgba(6,182,212,0.35); }
.artigo-mini-tag { font-family: 'DM Mono', monospace; font-size: 10.5px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--cyan); }
.artigo-mini h3 { font-size: 16px; font-weight: 600; line-height: 1.45; flex: 1; }
.artigo-mini-date { font-size: 12px; color: var(--text-2); }

/* ── CTA final ────────────────────────────────────────────── */
.cta-final { position: relative; overflow: hidden; }
.cta-glow {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 780px; height: 500px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(26,86,219,0.22), transparent);
  filter: blur(60px); pointer-events: none;
}
.cta-box {
  position: relative; text-align: center; max-width: 680px; margin: 0 auto;
  border: 1px solid var(--border-2); border-radius: 28px;
  background: rgba(13,27,42,0.55); backdrop-filter: blur(10px);
  padding: 72px 48px;
}
.cta-box h2 { font-size: clamp(30px, 4.4vw, 48px); font-weight: 800; line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 18px; }
.cta-box p { color: var(--gray); font-size: 16px; max-width: 480px; margin: 0 auto 34px; line-height: 1.7; }
.cta-contacts { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px 32px; margin-top: 36px; }
.cta-contacts a { font-size: 13.5px; color: var(--text-2); transition: color 0.2s; }
.cta-contacts a:hover { color: var(--cyan); }

/* ── footer ───────────────────────────────────────────────── */
footer { border-top: 1px solid var(--border); padding: 40px 0; position: relative; z-index: 1; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--gray); }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: var(--text-2); transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: 12px; color: var(--text-2); }

/* ── WhatsApp flutuante ───────────────────────────────────── */
.wa-float {
  position: fixed; right: 24px; bottom: 24px; z-index: 900;
  width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: #25D366; color: #fff;
  box-shadow: 0 10px 30px rgba(37,211,102,0.4);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.wa-float:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 16px 40px rgba(37,211,102,0.55); }

/* ── responsivo ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 380px; }
  .kits-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .kit-card.featured { order: -1; }
  .camadas-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { flex-direction: column; }
  .steps li + li { border-left: none; border-top: 1px solid var(--border); }
  .sobre-grid { grid-template-columns: 1fr; gap: 40px; }
  .sobre-timeline { position: static; }
  .artigos-row { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .section { padding: 80px 0; }
  .hero { padding: 130px 0 60px; min-height: auto; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(3)::before { display: none; }
  .proof-item { padding: 24px 12px; }
  .feedbacks-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 52px 26px; }
  .nav-menu {
    position: fixed; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: rgba(13,27,42,0.98); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.3s;
  }
  .nav-menu.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-menu a { padding: 12px 14px; font-size: 15px; }
  .nav-cta { text-align: center; margin: 8px 0 0 !important; }
  .mobile-menu-toggle { display: flex; }
  .hero-cta .btn { width: 100%; }
}