/* ===================================================================
   SSSN 7 — Pesquisas Eletrônicas — site institucional
   Mesma linguagem visual do site do aplicativo (web_page/aplicativo):
   tema dark, acento azul luminoso. CSS puro, sem framework.
   =================================================================== */

:root {
  --bg:        #0a0f1e;   /* fundo base */
  --bg-2:      #0e1528;   /* seções alternadas */
  --panel:     #131c33;   /* cards */
  --panel-2:   #182241;
  --line:      #223054;   /* bordas */
  --txt:       #e8edf9;   /* texto principal */
  --txt-dim:   #9fb0d0;   /* texto secundário */
  --brand:     #3b82f6;   /* azul da marca */
  --brand-2:   #60a5fa;   /* azul claro */
  --accent:    #22d3ee;   /* acento ciano */
  --grad:      linear-gradient(120deg, #60a5fa 0%, #22d3ee 100%);
  --radius:    18px;
  --radius-sm: 12px;
  --shadow:    0 24px 60px -20px rgba(0, 0, 0, .7);
  --shadow-blue: 0 30px 80px -30px rgba(59, 130, 246, .55);
  --maxw:      1140px;
  --ease:      cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 78px; }

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--txt);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 22px; }

/* ---------- Tipografia ---------- */
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 800; line-height: 1.08; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.5rem); font-weight: 800; line-height: 1.15; letter-spacing: -.015em; }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1.05rem; font-weight: 700; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

.eyebrow {
  text-transform: uppercase; letter-spacing: .16em;
  font-size: .78rem; font-weight: 700; color: var(--brand-2);
  margin-bottom: 14px;
}

.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--txt-dim); max-width: 46ch; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; font-weight: 600; font-size: .98rem;
  padding: 12px 22px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background .2s, border-color .2s;
  white-space: nowrap;
}
.btn--lg { padding: 15px 30px; font-size: 1.05rem; }
.btn--sm { padding: 9px 18px; font-size: .9rem; }
.btn--primary { background: var(--grad); color: #06121f; box-shadow: var(--shadow-blue); }
.btn--primary:hover { transform: translateY(-2px); }
.btn--ghost { background: rgba(255,255,255,.03); border-color: var(--line); color: var(--txt); }
.btn--ghost:hover { border-color: var(--brand-2); background: rgba(59,130,246,.1); transform: translateY(-2px); }

/* ---------- Navbar ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 15, 30, .72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
/* ponte (silhueta prateada, fundo transparente) à esquerda do logotipo */
.brand__bridge {
  height: 30px; width: auto; flex: none;
  opacity: .92;
  filter: drop-shadow(0 0 6px rgba(96, 165, 250, .35));
}
/* o logo é azul-metálico escuro: um leve halo azul garante leitura sobre o fundo dark */
.brand__logo {
  height: 34px; width: auto; flex: none;
  filter: drop-shadow(0 0 7px rgba(96, 165, 250, .45));
}
.brand__text {
  font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--txt-dim); white-space: nowrap;
  padding-left: 12px; border-left: 1px solid var(--line);
}

.nav__menu { display: flex; align-items: center; gap: 26px; }
.nav__menu a:not(.btn) { color: var(--txt-dim); font-weight: 500; font-size: .95rem; transition: color .2s; }
.nav__menu a:not(.btn):hover { color: var(--txt); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--txt); border-radius: 2px; transition: .25s var(--ease); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(50px, 8vw, 96px) 0 clamp(60px, 9vw, 110px); overflow: hidden; }
.hero__glow {
  position: absolute; top: -20%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px; pointer-events: none;
  background: radial-gradient(circle at 30% 30%, rgba(59,130,246,.35), transparent 60%),
              radial-gradient(circle at 70% 40%, rgba(34,211,238,.22), transparent 60%);
  filter: blur(30px); opacity: .8;
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero__cta--center { justify-content: center; }
.hero__note { margin-top: 22px; color: var(--txt-dim); font-size: .95rem; }

/* Marca grande do hero */
.hero__art { position: relative; display: flex; justify-content: center; align-items: center; }
.logo-stage {
  position: relative; width: 100%; max-width: 460px;
  padding: clamp(26px, 5vw, 44px);
  background: linear-gradient(160deg, rgba(59,130,246,.10), rgba(34,211,238,.05));
  border: 1px solid var(--line); border-radius: 28px;
  box-shadow: var(--shadow), var(--shadow-blue);
  animation: float 7s ease-in-out infinite;
}
.logo-stage img { width: 100%; filter: drop-shadow(0 18px 40px rgba(59,130,246,.35)); }
.logo-stage__cap {
  margin-top: 16px; text-align: center;
  font-size: .74rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase;
  color: var(--brand-2);
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ---------- Seções ---------- */
.section { padding: clamp(56px, 9vw, 100px) 0; }
.section--alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.section__head { max-width: 660px; margin: 0 auto clamp(36px, 5vw, 56px); text-align: center; }
.section__sub { color: var(--txt-dim); margin-top: 12px; font-size: 1.08rem; }

/* ---------- Grids ---------- */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--wide { gap: clamp(30px, 5vw, 56px); align-items: start; }

.col__title { margin-bottom: 16px; }
.cta__row { margin-top: 44px; }

/* ---------- Cards ---------- */
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 24px;
  transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--shadow-blue); }
.card__ico { font-size: 2rem; margin-bottom: 14px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--txt-dim); font-size: .96rem; }

/* ---------- Split (mídia + texto) ---------- */
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(30px, 6vw, 70px); align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media { display: flex; justify-content: center; }
.split__copy h2 { margin: 10px 0 16px; }
.split__copy > p { color: var(--txt-dim); margin-bottom: 18px; }

/* Molduras de celular */
.phones { position: relative; display: flex; justify-content: center; align-items: center; min-height: 460px; }
.phone {
  position: relative; width: 250px; border-radius: 34px;
  background: #05203f; padding: 10px;
  border: 1px solid #2a3d63;
  box-shadow: var(--shadow), var(--shadow-blue);
}
.phone img { border-radius: 24px; }
.phone__notch {
  position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
  width: 90px; height: 6px; border-radius: 6px; background: #0a1a30; z-index: 2;
}
.phone--float { z-index: 3; animation: float 6s ease-in-out infinite; }
.phone--back {
  position: absolute; right: 4%; top: 6%; width: 200px; z-index: 1;
  opacity: .55; transform: rotate(6deg) scale(.9); filter: saturate(.9);
}

/* ---------- Listas com check ---------- */
.checks { list-style: none; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 32px; color: var(--txt-dim); }
.checks li b { color: var(--txt); font-weight: 600; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 3px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--grad);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/16px no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/16px no-repeat;
}

/* ---------- Destaque da comissão ---------- */
.highlight {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  background: linear-gradient(120deg, rgba(59,130,246,.16), rgba(34,211,238,.08));
  border: 1px solid rgba(59,130,246,.35); border-radius: var(--radius);
  padding: 24px 28px; margin-bottom: 30px;
}
.highlight__num {
  font-size: clamp(2.4rem, 6vw, 3.2rem); font-weight: 800; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  flex: none;
}
.highlight__txt { color: var(--txt-dim); }
.highlight__txt b { color: var(--txt); }

/* ---------- Passos ---------- */
.steps { list-style: none; counter-reset: step; display: grid; gap: 18px; }
.step {
  counter-increment: step;
  position: relative; padding: 22px 24px 22px 70px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .25s, transform .25s var(--ease);
}
.step:hover { border-color: var(--brand); transform: translateY(-3px); }
.step::before {
  content: counter(step);
  position: absolute; left: 22px; top: 22px;
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad); color: #06121f; font-weight: 800; font-size: .95rem;
}
.step h4 { margin-bottom: 4px; }
.step p { color: var(--txt-dim); font-size: .96rem; }

/* ---------- Recursos ---------- */
.feat {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px;
  transition: transform .25s var(--ease), border-color .25s;
}
.feat:hover { transform: translateY(-4px); border-color: var(--brand); }
.feat__ico { font-size: 1.7rem; margin-bottom: 12px; }
.feat h4 { margin-bottom: 6px; }
.feat p { color: var(--txt-dim); font-size: .94rem; }

/* ---------- CTA final ---------- */
.cta { position: relative; padding: clamp(64px, 10vw, 110px) 0; text-align: center; overflow: hidden; border-top: 1px solid var(--line); }
.cta__glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 20%, rgba(59,130,246,.28), transparent 55%);
}
.cta__inner { position: relative; max-width: 660px; }
.cta__inner p { color: var(--txt-dim); margin: 14px 0 30px; font-size: 1.1rem; }
.cta__mail { margin-top: 28px; color: var(--txt-dim); font-size: 1rem; }
.cta__mail a { color: var(--brand-2); font-weight: 600; border-bottom: 1px solid rgba(96,165,250,.35); }
.cta__mail a:hover { color: var(--txt); }

/* ---------- Rodapé ---------- */
.footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 40px 0; }
.footer__inner { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.footer__brand { display: flex; align-items: center; gap: 12px; }
.footer__brand img { height: 30px; width: auto; filter: drop-shadow(0 0 7px rgba(96, 165, 250, .4)); }
.footer__links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer__links a { color: var(--txt-dim); font-size: .95rem; transition: color .2s; }
.footer__links a:hover { color: var(--txt); }
.footer__legal { color: var(--txt-dim); font-size: .88rem; width: 100%; border-top: 1px solid var(--line); padding-top: 20px; }
.footer__legal b { color: var(--txt); }

/* ---------- Animação de entrada ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ===================================================================
   RESPONSIVO
   =================================================================== */
@media (max-width: 900px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__art { order: -1; }
  .lead { max-width: none; }
  .split, .split--reverse { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: -1; }
}

@media (max-width: 640px) {
  .nav__toggle { display: flex; }
  .brand__text { display: none; }
  .nav__menu {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(10,15,30,.98); border-bottom: 1px solid var(--line);
    padding: 14px 22px 22px; transform: translateY(-12px);
    opacity: 0; pointer-events: none; transition: .25s var(--ease);
  }
  .nav__menu.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav__menu a:not(.btn) { padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .nav__menu .btn { margin-top: 10px; }
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .hero__cta .btn { flex: 1 1 100%; }
  .phones { min-height: 420px; }
  .step { padding: 20px 20px 20px 64px; }
  .highlight { gap: 14px; padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .phone--float, .logo-stage { animation: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}


/* Modal "Em construção" — injetado pelo sync-sites.mjs, ausente no protótipo */
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal[hidden] { display: none; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(6, 10, 20, .72); backdrop-filter: blur(2px); }
.modal__panel { position: relative; max-width: 420px; width: 100%; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.75rem; color: var(--txt); }
.modal__panel h3 { margin: 0 0 .5rem; font-size: 1.25rem; }
.modal__panel p { color: var(--txt-dim); margin: 0 0 1rem; }
.modal__panel p:last-child { margin-bottom: 0; }
.modal__close { position: absolute; top: .75rem; right: .75rem; background: none; border: 0; color: var(--txt-dim); font-size: 1.5rem; line-height: 1; cursor: pointer; padding: .25rem .5rem; }
.modal__close:hover, .modal__close:focus-visible { color: var(--txt); }