@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ── Variáveis ── */
:root {
  --lavender:    #c1a5f8;
  --soft-violet: #c5a7ff;
  --deep-violet: #9e61f6;
  --mid-violet:  #a984f4;
  --bg:          #0d0b14;
  --surface:     #13101f;
  --surface-2:   #1c1730;
  --text:        #f0ecff;
  --text-muted:  #a89cc8;
  --border:      rgba(193, 165, 248, 0.15);
  --glow:        rgba(158, 97, 246, 0.35);
}

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

html { height: 100%; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 300;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(158, 97, 246, 0.25) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 90% 80%,  rgba(197, 167, 255, 0.1) 0%, transparent 60%);
  line-height: 1.7;
  ;background-repeat: no-repeat;
}

/* ── Grain overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* ── Header ── */
#cabecalho {
  position: relative;
  height: 64px;
  z-index: 1;
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  background: rgba(13, 11, 20, 0.6);
}

#cabecalho h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--soft-violet) 0%, var(--deep-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

#cabecalho h1::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--deep-violet), transparent);
  border-radius: 2px;
}

/* ── Main ── */
#principal {
  position: relative;
  z-index: 1;
  flex: 1;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.25rem;
}

#principal p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ── Texto da home ── */
#principal > p:first-child {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

/* ── Links ── */
a {
  color: var(--mid-violet);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s, opacity 0.2s;
  position: relative;
}

a::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--soft-violet);
  transition: width 0.25s ease;
}

a:hover { color: var(--soft-violet); }
a:hover::after { width: 100%; }

/* ── Formulários ── */
form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  width: 100%;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"] {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 300;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

input::placeholder { color: var(--text-muted); opacity: 0.7; }

input:focus {
  border-color: var(--mid-violet);
  background: rgba(28, 23, 48, 0.9);
  box-shadow: 0 0 0 3px rgba(169, 132, 244, 0.18), 0 0 18px var(--glow);
}

/* ── Botão ── */
button[type="submit"] {
  margin-top: 0.4rem;
  padding: 0.9rem 1.5rem;
  background: linear-gradient(135deg, var(--deep-violet) 0%, var(--mid-violet) 100%);
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
  box-shadow: 0 4px 20px rgba(158, 97, 246, 0.4);
}

button[type="submit"]::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 60%);
  pointer-events: none;
}

button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(158, 97, 246, 0.55);
  filter: brightness(1.08);
}

button[type="submit"]:active { transform: translateY(0); }

/* ── Card wrapper para formulários ── */
#principal form,
#principal > p {
  animation: fadeUp 0.55s ease both;
}

#principal form { animation-delay: 0.05s; }
#principal > p  { animation-delay: 0.2s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Decoração: linha lateral ── */
#principal::before {
  content: '';
  position: absolute;
  left: -1px;
  top: 15%;
  height: 70%;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--mid-violet), transparent);
  border-radius: 2px;
  opacity: 0.4;
}

/* ── Footer ── */
#rodape {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.5rem 2rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  letter-spacing: 0.03em;
}

/* ── br cosmético: esconder quebras de linha brutas ── */
br { display: none; }

/* ── Responsivo ── */
@media (max-width: 480px) {
  #cabecalho { padding: 1.25rem 1.5rem; }
  #principal  { padding: 2.5rem 1.5rem; }
}