/* Fontes servidas localmente (sem pedidos a terceiros — RGPD e desempenho).
   Sora e DM Sans sao fontes variaveis: um ficheiro cobre todos os pesos. */
@font-face {
  font-family: "Sora";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("fonts/sora-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Sora";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("fonts/sora-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("fonts/dmsans-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("fonts/dmsans-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #0a0e1a;
  --bg2: #0e1320;
  --card: #111827;
  --border: #1f2937;
  --border2: #2a3650;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --dim: #64748b;
  --teal: #14b8a6;
  --teal-dim: rgba(20, 184, 166, 0.14);
  --teal-border: rgba(20, 184, 166, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--teal); outline-offset: 2px;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, .brand { font-family: "Sora", system-ui, sans-serif; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 720px; }
.hidden { position: absolute; left: -9999px; }
.muted { color: var(--muted); }
.t { color: var(--teal); }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 20px;
  padding: 14px 24px;
  background: rgba(10, 14, 26, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 800; letter-spacing: 2px; font-size: 18px; display: inline-flex; align-items: center; gap: 8px; }
.brand .mark { color: var(--teal); }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--muted); font-size: 14px; font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  color: var(--teal) !important; border: 1px solid var(--teal-border);
  padding: 7px 14px; border-radius: 8px;
}
.nav-cta:hover { background: var(--teal-dim); }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 22px; cursor: pointer; }

/* HERO */
.hero { position: relative; overflow: hidden; padding: 92px 0 80px; }
.hero-inner { position: relative; z-index: 2; text-align: center; }
.eyebrow {
  display: inline-block; color: var(--teal); font-size: 12px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 20px;
  border: 1px solid var(--teal-border); border-radius: 999px; padding: 5px 14px; background: var(--teal-dim);
}
.hero h1 { font-size: clamp(34px, 6vw, 62px); font-weight: 800; line-height: 1.05; }
.lead { color: var(--muted); font-size: clamp(16px, 2.2vw, 20px); max-width: 640px; margin: 22px auto 0; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.hero-tags { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.hero-tags span {
  font-size: 12px; color: var(--muted); border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 12px; background: var(--bg2);
}
.hero-status { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; color: var(--muted); font-size: 13px; }
.hero-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(20,184,166,0.18); }
.hero-glow {
  position: absolute; top: -160px; left: 50%; transform: translateX(-50%);
  width: 720px; height: 480px; z-index: 1;
  background: radial-gradient(closest-side, rgba(20, 184, 166, 0.18), transparent 70%);
  filter: blur(20px); pointer-events: none;
}

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 15px; padding: 12px 22px; border-radius: 10px;
  cursor: pointer; transition: transform .12s, background .15s, border-color .15s; border: 1px solid transparent;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--teal); color: #062b27; }
.btn-primary:hover { background: #19cdb9; }
.btn-ghost { border-color: var(--border2); color: var(--text); }
.btn-ghost:hover { border-color: var(--teal-border); color: var(--teal); }
.btn-card { background: var(--teal-dim); border-color: var(--teal-border); color: var(--teal); margin-top: auto; }
.btn-card:hover { background: rgba(20, 184, 166, 0.22); }

/* SECTIONS */
.section { padding: 80px 0; }
.section-alt { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { font-size: clamp(26px, 4vw, 38px); font-weight: 800; text-align: center; }
.section-sub { color: var(--muted); text-align: center; max-width: 620px; margin: 14px auto 0; }

/* FLYWHEEL */
.flow { display: flex; align-items: stretch; gap: 16px; margin-top: 48px; flex-wrap: wrap; justify-content: center; }
.flow-step {
  flex: 1 1 260px; max-width: 320px; background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px;
}
.flow-num {
  display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px;
  border-radius: 8px; background: var(--teal-dim); color: var(--teal); font-weight: 800; margin-bottom: 12px;
  border: 1px solid var(--teal-border);
}
.flow-step h3 { font-size: 18px; margin-bottom: 8px; }
.flow-step p { color: var(--muted); font-size: 15px; }
.flow-arrow { display: flex; align-items: center; color: var(--teal); font-size: 26px; }

/* CARDS */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.cards-2 { grid-template-columns: repeat(2, 1fr); max-width: 760px; margin-left: auto; margin-right: auto; }
.card {
  display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 26px;
}
.card-feature { border-color: var(--teal-border); box-shadow: 0 0 0 1px var(--teal-dim), 0 20px 40px -20px rgba(20,184,166,0.3); }
.card-tag { font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--teal); margin-bottom: 12px; }
.card h3 { font-size: 24px; }
.card h3 .sub { color: var(--muted); font-weight: 600; }
.card-claim { color: var(--text); margin: 8px 0 16px; font-weight: 500; }
.card-list { list-style: none; display: grid; gap: 10px; margin-bottom: 22px; }
.card-list li { color: var(--muted); font-size: 14px; padding-left: 18px; position: relative; }
.card-list li::before { content: "\25C8"; color: var(--teal); position: absolute; left: 0; font-size: 11px; top: 3px; }

/* FEATS */
.feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.feat { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.feat-mark { color: var(--teal); font-size: 22px; display: block; margin-bottom: 12px; }
.feat h3 { font-size: 19px; margin-bottom: 8px; }
.feat p { color: var(--muted); font-size: 15px; }

/* QUEM */
.quem-text { color: var(--muted); text-align: center; font-size: 18px; margin-top: 18px; }

/* FORM */
.form { margin-top: 32px; display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 500; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form input, .form select, .form textarea {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; color: var(--text); font-size: 15px; font-family: inherit; outline: none;
}
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--teal-border); }
.form .btn { justify-self: start; }
.form .btn[disabled] { opacity: .6; cursor: default; }
.form select:has(option[value=""]:checked) { color: var(--muted); }
.form-note { font-size: 14px; color: var(--teal); min-height: 18px; }
.form-privacy { font-size: 13px; color: var(--dim); }
.form-privacy a { color: var(--muted); text-decoration: underline; }
.form-privacy a:hover { color: var(--teal); }

/* PAGINA LEGAL */
.legal { max-width: 720px; margin: 0 auto; }
.legal h1 { font-size: clamp(28px, 4vw, 38px); margin-bottom: 8px; }
.legal .legal-updated { color: var(--dim); font-size: 13px; margin-bottom: 32px; }
.legal h2 { font-size: 20px; margin: 32px 0 10px; }
.legal p, .legal li { color: var(--muted); font-size: 15px; }
.legal ul { padding-left: 20px; display: grid; gap: 6px; margin-top: 8px; }
.legal a { color: var(--text); text-decoration: underline; }
.legal a:hover { color: var(--teal); }

/* REVELAR AO SCROLL */
.fade { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.fade.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .fade { opacity: 1; transform: none; transition: none; } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
@keyframes ringpulse { 0% { box-shadow: 0 0 0 2px rgba(20,184,166,.55); } 100% { box-shadow: 0 0 0 18px rgba(20,184,166,0); } }

/* SHOWCASE */
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 50px; align-items: center; justify-items: center; }
.show-item { display: flex; flex-direction: column; align-items: center; }
.show-cap { color: var(--muted); text-align: center; margin-top: 22px; max-width: 380px; font-size: 15px; }
.show-cap strong { color: var(--text); }

/* PHONE MOCKUP */
.phone { position: relative; width: 240px; height: 482px; border-radius: 36px; background: #05080f;
  border: 8px solid #1b2433; box-shadow: 0 36px 70px -24px rgba(0,0,0,.75), 0 0 0 1px rgba(20,184,166,.16); padding: 10px; }
.phone-notch { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 96px; height: 18px; background: #1b2433; border-radius: 0 0 12px 12px; z-index: 3; }
.phone-screen { height: 100%; border-radius: 26px; background: linear-gradient(180deg, #0b1120, #0a0e1a); display: flex; flex-direction: column; overflow: hidden; }
.status-bar { display: flex; justify-content: space-between; align-items: center; padding: 7px 14px 0; font-size: 10px; font-weight: 600; color: #8b98ad; }
.app-top { display: flex; align-items: center; gap: 6px; padding: 10px 14px 8px; font-size: 12px; font-weight: 700; letter-spacing: 1px; color: #cbd5e1; }
.app-live { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; color: var(--teal); font-size: 10px; font-weight: 600; letter-spacing: 0; }
.app-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); display: inline-block; animation: pulse 1.6s infinite; }
.app-map { position: relative; flex: 1; margin: 4px 10px; border-radius: 16px; overflow: hidden; background: #0a111f; }
.map-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.tabbar { display: flex; justify-content: space-around; align-items: center; padding: 9px 6px 11px; border-top: 1px solid rgba(255,255,255,0.05); }
.tab { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 9px; color: #5a6678; }
.tab::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: #3a4658; }
.tab.on { color: var(--teal); } .tab.on::before { background: var(--teal); }
.tab.sos { color: #ef4444; } .tab.sos::before { background: #ef4444; }
.dri-badge { position: absolute; right: 10px; top: 10px; background: rgba(10,14,26,.88); border: 1px solid var(--teal-border); border-radius: 12px; padding: 7px 11px; text-align: center; }
.dri-badge span { display: block; font-size: 9px; letter-spacing: 1px; color: var(--muted); }
.dri-badge strong { display: block; font-size: 22px; color: var(--teal); line-height: 1; font-family: "Sora", sans-serif; }
.dri-badge em { display: block; font-size: 9px; color: #f59e0b; font-style: normal; }
.vera-bubble { margin: 10px; background: var(--teal-dim); border: 1px solid var(--teal-border); border-radius: 14px; padding: 11px 12px; font-size: 12px; color: var(--text); line-height: 1.45; }
.vera-bubble b { color: var(--teal); display: block; font-size: 10px; letter-spacing: 1px; margin-bottom: 3px; }

/* DASHBOARD MOCKUP */
.dash { width: 100%; max-width: 430px; border-radius: 16px; background: var(--card); border: 1px solid var(--border);
  box-shadow: 0 36px 70px -28px rgba(0,0,0,.7); overflow: hidden; }
.dash-top { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--border); font-size: 13px; font-weight: 600; color: var(--muted); }
.dash-clock { margin-left: auto; font-size: 12px; color: var(--teal); font-family: "Sora", sans-serif; }
.dash-foot { display: flex; gap: 18px; padding: 12px 16px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted); }
.dash-foot b { color: var(--text); font-family: "Sora", sans-serif; }
.tdot { width: 10px; height: 10px; border-radius: 50%; }
.tdot.r { background: #ef4444; } .tdot.y { background: #eab308; } .tdot.g { background: #22c55e; margin-right: 6px; }
.dash-body { display: grid; grid-template-columns: 1.1fr .9fr; gap: 14px; padding: 16px; }
.dash-rows { display: grid; gap: 11px; align-content: start; }
.d-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.d-meta { margin-left: auto; color: var(--muted); font-size: 11px; }
.sdot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.sdot.g { background: #22c55e; } .sdot.y { background: #eab308; } .sdot.r { background: #ef4444; }
.dash-map { position: relative; border-radius: 12px; min-height: 150px; overflow: hidden; background: #0a111f; }
.dash-map .map-dot.g { background: #22c55e; box-shadow: 0 0 0 5px rgba(34,197,94,.2); }
.dash-map .map-dot.y { background: #eab308; top: 28%; left: 34%; box-shadow: 0 0 0 5px rgba(234,179,8,.2); }
.dash-map .map-dot.r { background: #ef4444; top: 66%; left: 62%; box-shadow: 0 0 0 5px rgba(239,68,68,.25); }

/* FEATURES */
.feat-group { font-size: 13px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--teal); margin: 44px 0 16px; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.fi { display: flex; gap: 12px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.fi-ic { flex: none; width: 34px; height: 34px; border-radius: 9px; background: var(--teal-dim); border: 1px solid var(--teal-border); color: var(--teal); display: flex; align-items: center; justify-content: center; font-size: 12px; }
.fi h4 { font-size: 15px; margin-bottom: 3px; }
.fi p { color: var(--muted); font-size: 13px; }

/* ECOSSISTEMA */
.eco { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.eco-pt { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.eco-k { display: inline-block; font-family: "Sora", sans-serif; font-size: 13px; font-weight: 800; letter-spacing: 2px; color: var(--teal); margin-bottom: 12px; }
.eco-pt h3 { font-size: 18px; margin-bottom: 8px; }
.eco-pt p { color: var(--muted); font-size: 15px; }

/* PRODUTOS (corpo outcome) */
.card-body { color: var(--muted); font-size: 14px; line-height: 1.6; margin-bottom: 22px; }

/* PARA QUEM */
.aud-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-top: 44px; }
.aud { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.aud h4 { font-size: 15px; margin-bottom: 4px; }
.aud p { color: var(--muted); font-size: 13px; }

/* O PROBLEMA */
.silos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 44px; }
.silo { background: var(--card); border: 1px solid var(--border); border-top: 2px solid var(--border2); border-radius: 12px; padding: 20px; }
.silo h4 { font-size: 15px; margin-bottom: 6px; }
.silo p { color: var(--muted); font-size: 13px; }
.silo-line { text-align: center; color: var(--text); font-family: "Sora", sans-serif; font-weight: 700; font-size: 18px; margin-top: 28px; }

/* COMO FUNCIONA */
.process { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 48px; }
.pstep { display: flex; flex-direction: column; align-items: center; gap: 6px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px 16px; min-width: 124px; font-weight: 600; font-size: 14px; text-align: center; }
.pn { font-family: "Sora", sans-serif; font-size: 12px; font-weight: 800; letter-spacing: 1px; color: var(--teal); }
.parrow { color: var(--teal); font-size: 20px; }

/* OPS capability cards */
.ops-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 22px; }
.opc { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.opc h4 { font-size: 16px; margin-bottom: 8px; color: var(--teal); }
.opc p { color: var(--muted); font-size: 13px; }

/* OPS detail (fontes, doutrina, explicabilidade) */
.ops-detail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.opd { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.opd h4 { font-size: 15px; margin-bottom: 8px; }
.opd p { color: var(--muted); font-size: 13px; }

/* Notas honestas (mockups e regulacao) */
.mock-note { text-align: center; color: var(--dim); font-size: 12px; margin-top: 12px; }
.sec-note { color: var(--muted); font-size: 14px; text-align: center; max-width: 680px; margin: 28px auto 0; }

/* Screenshot real da plataforma */
.shot { margin: 48px 0 0; }
.shot img {
  display: block; width: 100%; height: auto; border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 40px 80px -32px rgba(0, 0, 0, 0.7);
}
.shot figcaption { text-align: center; color: var(--dim); font-size: 12px; margin-top: 12px; }

/* SPLIT (cidadao) */
.split { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center; }
.section-title.left { text-align: left; }
.split-lead { color: var(--muted); font-size: 17px; margin: 16px 0 20px; }
.split-list { list-style: none; display: grid; gap: 12px; margin-bottom: 24px; }
.split-list li { color: var(--muted); font-size: 15px; padding-left: 20px; position: relative; }
.split-list li::before { content: "\25C8"; color: var(--teal); position: absolute; left: 0; font-size: 12px; top: 3px; }
.split-list b { color: var(--text); }

/* BANDA CTA */
.ctaband { padding: 74px 0; text-align: center;
  background: radial-gradient(620px 220px at 50% 0%, rgba(20,184,166,.16), transparent 70%), var(--bg2);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.ctaband h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; }
.ctaband p { color: var(--muted); margin: 14px auto 26px; max-width: 540px; }

/* FOOTER */
.footer { border-top: 1px solid var(--border); padding: 48px 0 28px; background: var(--bg2); }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-motto { color: var(--teal); font-size: 12px; font-style: italic; letter-spacing: 2px; margin-top: 8px; text-transform: uppercase; }
.footer-tag { color: var(--muted); font-size: 14px; margin-top: 4px; }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-cols h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--dim); margin-bottom: 12px; }
.footer-cols a { display: block; color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.footer-cols a:hover { color: var(--teal); }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--dim); font-size: 13px;
}

/* RESPONSIVE */
@media (max-width: 860px) {
  .cards, .feats, .showcase, .dash-body, .eco, .ops-detail { grid-template-columns: 1fr; }
  .feat-grid, .aud-grid, .silos, .ops-grid { grid-template-columns: 1fr 1fr; }
  .flow-arrow { transform: rotate(90deg); }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split-vis { display: flex; flex-direction: column; align-items: center; }
  .parrow { transform: rotate(90deg); }
  .nav-links {
    position: absolute; top: 100%; right: 0; left: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg2); border-bottom: 1px solid var(--border);
    padding: 8px 24px 16px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-cta { text-align: center; margin-top: 10px; border-radius: 8px; }
  .nav-toggle { display: block; margin-left: auto; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .feat-grid, .silos, .ops-grid { grid-template-columns: 1fr; }
}