/* Execfy — Landing pública. Mobile-first, sem dependências externas (sem CDN). */

:root {
  /* Paleta Execfy (azul) */
  --execfy: #3885C1;
  --execfy-700: #2C6A9C;
  --execfy-900: #0F2233;
  --execfy-800: #16324A;
  --execfy-soft: #E8F1F9;

  /* Neutros */
  --ink: #1B2430;
  --muted: #5B6673;
  --line: #E6EAF0;
  --surface: #FFFFFF;
  --surface-2: #F6F9FC;

  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --shadow-sm: 0 1px 2px rgba(16,34,51,.06), 0 2px 8px rgba(16,34,51,.05);
  --shadow-md: 0 8px 30px rgba(16,34,51,.10);

  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Tipografia fluida (mobile-first) */
  --fs-h1: clamp(1.9rem, 1.2rem + 3.2vw, 3.4rem);
  --fs-h2: clamp(1.5rem, 1.1rem + 1.9vw, 2.3rem);
  --fs-h3: clamp(1.05rem, 0.98rem + 0.4vw, 1.2rem);
  --fs-lead: clamp(1.02rem, 0.96rem + 0.5vw, 1.22rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
  font-size: 16px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

img { max-width: 100%; height: auto; }
a { color: var(--execfy-700); }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.center { text-align: center; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--execfy); color: #fff;
  padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-weight: 600; text-decoration: none; cursor: pointer;
  padding: .7rem 1.15rem; border-radius: 999px; border: 1px solid transparent;
  font-size: .98rem; line-height: 1; transition: transform .12s ease, background .12s ease, box-shadow .12s ease;
  min-height: 44px;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: .9rem 1.5rem; font-size: 1.02rem; }
.btn-primary { background: var(--execfy); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--execfy-700); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--execfy); color: var(--execfy-700); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--ink); }
.brand-mark { width: 22px; height: 22px; border-radius: 6px; background: linear-gradient(135deg, var(--execfy), var(--execfy-900)); }
.brand-name { font-weight: 800; letter-spacing: -.02em; font-size: 1.2rem; }

.main-nav { display: flex; align-items: center; gap: 1.1rem; }
.main-nav > a { color: var(--ink); text-decoration: none; font-size: .95rem; font-weight: 500; }
.main-nav > a:hover { color: var(--execfy-700); }

.lang-switch { display: inline-flex; gap: 2px; border: 1px solid var(--line); border-radius: 999px; padding: 2px; }
.lang-opt { font-size: .78rem; font-weight: 700; padding: .28rem .5rem; border-radius: 999px; text-decoration: none; color: var(--muted); }
.lang-opt.is-active { background: var(--execfy); color: #fff; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer;
  padding: 10px; min-width: 44px; min-height: 44px; align-items: center; justify-content: center;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
.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); }

/* ---------- Mobile nav (drawer) ---------- */
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed; inset: 64px 0 auto 0; flex-direction: column; align-items: stretch;
    gap: .25rem; background: var(--surface); border-bottom: 1px solid var(--line);
    padding: 14px 20px 22px; box-shadow: var(--shadow-md);
    transform: translateY(-120%); transition: transform .22s ease; max-height: calc(100vh - 64px); overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav > a { padding: .7rem .25rem; border-bottom: 1px solid var(--line); }
  .lang-switch { align-self: flex-start; margin: .5rem 0; }
  .main-nav .btn { width: 100%; margin-top: .35rem; }
}

/* ---------- Hero ---------- */
.hero {
  color: #EAF2F9;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(56,133,193,.35), transparent 60%), linear-gradient(160deg, var(--execfy-900), var(--execfy-800));
}
.hero-inner { padding: clamp(3rem, 8vw, 6rem) 20px clamp(2.5rem, 6vw, 4.5rem); max-width: 900px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; color: #7FC0EC; margin: 0 0 1rem; }
.hero h1 { font-size: var(--fs-h1); line-height: 1.08; letter-spacing: -.02em; margin: 0 0 1rem; font-weight: 800; color: #fff; }
.hero .lead { font-size: var(--fs-lead); color: #C7DBEC; margin: 0 0 1.8rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero-cta .btn-ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.hero-cta .btn-ghost:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.08); }
.hero-pills { list-style: none; display: flex; flex-wrap: wrap; gap: .6rem; padding: 0; margin: 2rem 0 0; }
.hero-pills li { font-size: .85rem; font-weight: 600; color: #DCEBF7; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; padding: .4rem .85rem; }

/* ---------- Seções ---------- */
.section { padding: clamp(2.75rem, 7vw, 5rem) 0; }
.section-kicker { text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; font-weight: 700; color: var(--execfy-700); margin: 0 0 .6rem; }
.section h2 { font-size: var(--fs-h2); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 1rem; font-weight: 800; }
.section-text { font-size: var(--fs-lead); color: var(--muted); margin: 0; }
.lead { font-size: var(--fs-lead); color: var(--muted); }

.section-problem { background: var(--surface-2); }
.section-solution .principle {
  margin: 2rem 0 0; padding: clamp(1.5rem, 4vw, 2.4rem); border-left: 4px solid var(--execfy);
  background: var(--execfy-soft); border-radius: var(--radius); font-size: clamp(1.15rem, 1rem + 1vw, 1.7rem);
  font-weight: 700; color: var(--execfy-900); line-height: 1.3;
}
.section-pillars { background: var(--surface-2); }
.section-deploy { background: linear-gradient(160deg, var(--execfy-900), var(--execfy-800)); color: #EAF2F9; }
.section-deploy .section-kicker { color: #7FC0EC; }
.section-deploy .section-text { color: #C7DBEC; }

/* ---------- Fluxo (como funciona) ---------- */
.flow { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1rem; grid-template-columns: 1fr; }
.flow li { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.3rem 1.3rem; box-shadow: var(--shadow-sm); }
.flow-n { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 999px; background: var(--execfy); color: #fff; font-weight: 800; margin-bottom: .7rem; }
.flow h3 { font-size: var(--fs-h3); margin: 0 0 .35rem; }
.flow p { margin: 0; color: var(--muted); font-size: .95rem; }

/* ---------- Grid de cards ---------- */
.grid { display: grid; gap: 1rem; margin-top: 2rem; }
.grid-3 { grid-template-columns: 1fr; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow-sm); }
.card h3 { font-size: var(--fs-h3); margin: 0 0 .4rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card.feature { border-top: 3px solid var(--execfy); }

/* ---------- Formulário demo ---------- */
.demo-form { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 2rem; }
.field { display: flex; flex-direction: column; gap: .35rem; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 600; color: var(--ink); }
.field input, .field textarea {
  font: inherit; padding: .7rem .8rem; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--ink); width: 100%;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--execfy); outline-offset: 1px; border-color: var(--execfy); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-erro { margin: 1rem 0 0; padding: .75rem 1rem; border-radius: var(--radius-sm); background: #FDECEC; border: 1px solid #F3B4B4; color: #A02020; font-size: .92rem; }

/* ---------- Obrigado ---------- */
.section-thanks { padding: clamp(4rem, 12vw, 7rem) 0; }
.thanks-mark { width: 72px; height: 72px; border-radius: 999px; background: var(--execfy-soft); color: var(--execfy); font-size: 2.2rem; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; margin: 0 auto 1.2rem; }

/* ---------- Página /plataforma ---------- */
.hero-sub .hero-inner { padding-top: clamp(2.5rem, 6vw, 4rem); padding-bottom: clamp(2rem, 5vw, 3rem); }

.feature-row { display: grid; grid-template-columns: 1fr; gap: 1.5rem; align-items: center; padding: clamp(1.5rem, 4vw, 2.5rem) 0; }
.feature-row + .feature-row { border-top: 1px solid var(--line); }
.feature-media { position: relative; }
.feature-media img { width: 100%; display: block; border-radius: var(--radius); box-shadow: var(--shadow-md); border: 1px solid var(--line); }
.media-tag { position: absolute; top: 12px; right: 12px; font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: #fff; background: rgba(15,34,51,.72); padding: .3rem .6rem; border-radius: 999px; }
.feature-copy h2 { font-size: var(--fs-h2); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .8rem; font-weight: 800; }
.feature-copy p { color: var(--muted); font-size: var(--fs-lead); margin: 0 0 1rem; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.ticks li { position: relative; padding-left: 1.9rem; color: var(--ink); font-weight: 500; }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 1.3rem; height: 1.3rem; display: inline-flex; align-items: center; justify-content: center; background: var(--execfy-soft); color: var(--execfy-700); border-radius: 999px; font-size: .8rem; font-weight: 800; }

.section-cta { background: var(--surface-2); }

@media (min-width: 860px) {
  .feature-row { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .feature-row.reverse .feature-media { order: 2; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--execfy-900); color: #C7DBEC; padding: 2.5rem 0 1.5rem; }
.footer-inner { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { color: #9FBFD8; font-size: .92rem; margin: .5rem 0 0; max-width: 42ch; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.footer-nav a { color: #C7DBEC; text-decoration: none; font-size: .92rem; }
.footer-nav a:hover { color: #fff; }
.footer-bottom { margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.12); color: #7F9DB6; }

/* ---------- Breakpoints ---------- */
@media (min-width: 640px) {
  .flow { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .demo-form { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .flow { grid-template-columns: repeat(3, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 2fr 1fr; align-items: start; }
}