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

:root {
  --bg:          #060811;
  --surface:     #0d1020;
  --surface2:    #12162a;
  --border:      #181d32;
  --border2:     #1e2540;
  --cyan:        #00e5ff;
  --cyan-glow:   rgba(0, 229, 255, .15);
  --cyan-dim:    rgba(0, 229, 255, .08);
  --purple:      #a855f7;
  --purple-glow: rgba(168, 85, 247, .15);
  --purple-dim:  rgba(168, 85, 247, .08);
  --green:       #10d9a0;
  --text:        #eef2ff;
  --muted:       #4a5470;
  --muted2:      #7a8499;
  --font:        'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ── GRID BACKGROUND ──────────────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,229,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
}

/* ── HEADER ───────────────────────────────────────────────── */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(6, 8, 17, .85);
  backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--border2);
}

.logo {
  font-size: 1rem; font-weight: 900; letter-spacing: .2em;
  text-transform: uppercase;
}
.logo .accent { color: var(--cyan); text-shadow: 0 0 24px rgba(0,229,255,.6); }

nav { display: flex; gap: 2rem; align-items: center; }
nav a { font-size: .825rem; color: var(--muted2); transition: color .2s; }
nav a:hover { color: var(--text); }

.nav-cta {
  font-size: .82rem; font-weight: 700; letter-spacing: .06em;
  padding: .5rem 1.3rem; border-radius: 8px;
  border: 1px solid rgba(0,229,255,.3);
  color: var(--cyan) !important;
  transition: background .2s, border-color .2s;
}
.nav-cta:hover { background: var(--cyan-dim); border-color: var(--cyan); }

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 9rem 2rem 5rem;
}

/* radial glow behind title */
.hero::after {
  content: '';
  position: absolute;
  top: 40%; left: 50%; transform: translate(-50%, -50%);
  width: 1000px; height: 700px;
  background: radial-gradient(ellipse,
    rgba(0,229,255,.06) 0%,
    rgba(168,85,247,.05) 40%,
    transparent 65%);
  pointer-events: none;
}

.hero-chip {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .68rem; font-weight: 800; letter-spacing: .16em;
  text-transform: uppercase; color: var(--cyan);
  border: 1px solid rgba(0,229,255,.22);
  border-radius: 20px; padding: .38rem 1.1rem;
  margin-bottom: 2rem;
}
.hero-chip .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2.4s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.3;transform:scale(.8)} }

.hero h1 {
  position: relative; z-index: 1;
  font-size: clamp(3.2rem, 9vw, 6.5rem);
  font-weight: 900; line-height: 1;
  letter-spacing: -.035em; max-width: 960px;
}
.hero h1 .gradient {
  background: linear-gradient(135deg, var(--cyan) 0%, #6ab4ff 45%, var(--purple) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  position: relative; z-index: 1;
  margin: 1.75rem auto 0;
  font-size: clamp(.9rem, 1.4vw, 1.1rem);
  color: var(--muted2); max-width: 560px; line-height: 1.8;
}

.hero-actions {
  position: relative; z-index: 1;
  display: flex; gap: 1rem; margin-top: 3rem;
  flex-wrap: wrap; justify-content: center;
}

.btn-primary {
  padding: .875rem 2.25rem; font-weight: 800; font-size: .9rem;
  letter-spacing: .04em; border-radius: 10px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #060811; transition: opacity .2s, transform .15s;
}
.btn-primary:hover { opacity: .85; transform: translateY(-2px); }

.btn-ghost {
  padding: .875rem 2.25rem; font-weight: 600; font-size: .9rem;
  border: 1px solid var(--border2); border-radius: 10px; color: var(--muted2);
  transition: border-color .2s, color .2s;
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--text); }

/* ── SECTION BASE ─────────────────────────────────────────── */
section { position: relative; z-index: 1; padding: 7rem 2rem; }
.container { max-width: 1140px; margin: 0 auto; }

.tag {
  display: inline-block;
  font-size: .65rem; font-weight: 900; letter-spacing: .18em;
  text-transform: uppercase; margin-bottom: 1rem;
}
.tag-cyan   { color: var(--cyan); }
.tag-purple { color: var(--purple); }
.tag-green  { color: var(--green); }

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.9rem);
  font-weight: 800; line-height: 1.12; letter-spacing: -.025em;
  margin-bottom: 1rem;
}
.section-lead {
  color: var(--muted2); font-size: 1rem; max-width: 520px; line-height: 1.8;
}

/* ── PRODUTOS ─────────────────────────────────────────────── */
#produtos {
  background: var(--surface);
  border-top: 1px solid var(--border2);
  border-bottom: 1px solid var(--border2);
}

.products-duo {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2rem; margin-top: 3.5rem;
}

.product-card {
  position: relative; overflow: hidden;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 18px;
  padding: 2.5rem 2.25rem;
  display: flex; flex-direction: column; gap: 1.25rem;
  transition: border-color .3s, transform .25s;
}
.product-card:hover { transform: translateY(-5px); }
.product-card.edu:hover  { border-color: rgba(0,229,255,.5); }
.product-card.hrm:hover  { border-color: rgba(168,85,247,.5); }

/* corner glow */
.product-card::before {
  content: ''; position: absolute;
  top: -80px; right: -80px;
  width: 240px; height: 240px; border-radius: 50%;
  pointer-events: none; opacity: .55;
  transition: opacity .3s;
}
.product-card:hover::before { opacity: 1; }
.product-card.edu::before { background: radial-gradient(circle, var(--cyan-glow), transparent 70%); }
.product-card.hrm::before { background: radial-gradient(circle, var(--purple-glow), transparent 70%); }

.product-badge {
  width: fit-content;
  font-size: .62rem; font-weight: 900; letter-spacing: .14em;
  text-transform: uppercase; padding: .32rem .85rem;
  border-radius: 20px;
}
.product-badge.edu { background: var(--cyan-dim);   color: var(--cyan);   border: 1px solid rgba(0,229,255,.2); }
.product-badge.hrm { background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(168,85,247,.2); }

.product-name {
  font-size: 2rem; font-weight: 900; letter-spacing: -.03em; line-height: 1;
}
.product-name a { transition: opacity .2s; }
.product-name a:hover { opacity: .7; }

.product-domain {
  font-size: .78rem; font-weight: 600; letter-spacing: .06em;
  margin-top: -.6rem;
}
.product-domain.edu { color: var(--cyan);   }
.product-domain.hrm { color: var(--purple); }

.product-desc {
  font-size: .9rem; color: var(--muted2); line-height: 1.8; flex: 1;
}

.product-sublist {
  display: flex; flex-wrap: wrap; gap: .45rem;
}
.sub-chip {
  font-size: .7rem; font-weight: 600; padding: .28rem .7rem;
  border-radius: 6px; border: 1px solid var(--border2); color: var(--muted2);
  transition: border-color .2s, color .2s;
}
.product-card.edu .sub-chip:hover { border-color: var(--cyan); color: var(--cyan); }
.product-card.hrm .sub-chip:hover { border-color: var(--purple); color: var(--purple); }

.product-cta {
  display: inline-flex; align-items: center; gap: .4rem;
  width: fit-content;
  font-size: .82rem; font-weight: 800; letter-spacing: .04em;
  padding: .7rem 1.5rem; border-radius: 9px;
  transition: opacity .2s, transform .15s;
}
.product-cta:hover { opacity: .8; transform: translateX(2px); }
.product-cta.edu { background: var(--cyan-glow);   color: var(--cyan);   border: 1px solid rgba(0,229,255,.3); }
.product-cta.hrm { background: var(--purple-glow); color: var(--purple); border: 1px solid rgba(168,85,247,.3); }

/* ── MANIFESTO ────────────────────────────────────────────── */
#sobre {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  border-top: 1px solid var(--border2);
}

.manifesto-grid {
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: 5rem; align-items: start; margin-top: 3.5rem;
}

.manifesto-text p {
  color: var(--muted2); line-height: 1.85; margin-bottom: 1.3rem; font-size: .95rem;
}
.manifesto-text p strong { color: var(--text); font-weight: 700; }

.pillars {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem;
}

.pillar {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 14px; padding: 1.4rem 1.5rem;
  transition: border-color .25s;
}
.pillar:hover { border-color: var(--border); }
.pillar-icon { font-size: 1.4rem; margin-bottom: .7rem; }
.pillar h4   { font-size: .9rem; font-weight: 700; margin-bottom: .4rem; }
.pillar p    { font-size: .8rem; color: var(--muted2); line-height: 1.65; }

/* ── CONTATO ──────────────────────────────────────────────── */
#contato { border-top: 1px solid var(--border2); }

.contact-duo {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; margin-top: 3.5rem;
}

.contact-col h3 {
  font-size: .75rem; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border2); margin-bottom: 1.75rem;
}
.contact-col.edu h3 { color: var(--cyan);   }
.contact-col.hrm h3 { color: var(--purple); }

.contact-item { margin-bottom: 1.5rem; }
.contact-label {
  font-size: .62rem; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted); display: block;
  margin-bottom: .25rem;
}
.contact-value { font-size: .9rem; }
.contact-value a { transition: opacity .2s; }
.contact-value a:hover { opacity: .7; text-decoration: underline; }
.contact-col.edu .contact-value a { color: var(--cyan);   }
.contact-col.hrm .contact-value a { color: var(--purple); }
.contact-col.misc .contact-value a { color: var(--green); }

/* ── FOOTER ───────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border2);
  padding: 2rem; text-align: center;
  font-size: .78rem; color: var(--muted);
}
footer a { color: var(--cyan); transition: opacity .2s; }
footer a:hover { opacity: .7; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 820px) {
  .products-duo   { grid-template-columns: 1fr; }
  .manifesto-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .pillars        { grid-template-columns: 1fr 1fr; }
  .contact-duo    { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 600px) {
  header { padding: 1rem 1.25rem; }
  nav .hide-sm { display: none; }
  .pillars { grid-template-columns: 1fr; }
}