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

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

:root {
  --bg:          #f5f3ef;
  --surface:     #ffffff;
  --border:      #ddd8d0;
  --border-focus:#1a1a2e;
  --text-primary:#1a1a2e;
  --text-muted:  #7a7469;
  --accent:      #c8a96e;
  --accent-dark: #a8893e;
  --danger:      #c0392b;
  --radius:      6px;
  --shadow:      0 4px 24px rgba(26,26,46,.07);
  --transition:  .22s cubic-bezier(.4,0,.2,1);
}

/* ── Base ───────────────────────────────────────────── */
html { font-size: 16px; }

body {
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px 80px;
  line-height: 1.6;

  /* subtle linen texture */
  background-image:
    radial-gradient(circle at 20% 10%, rgba(200,169,110,.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 90%, rgba(26,26,46,.06) 0%, transparent 50%);
}

/* ── Page title (fora do form) ──────────────────────── */
h1:not(form h1) {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.5px;
  text-align: center;
  margin-bottom: 12px;
  width: 100%;
  max-width: 640px;
}

h1:not(form h1)::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 12px auto 32px;
}

/* ── Card wrapper ───────────────────────────────────── */
form {
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 56px 52px 60px;
  width: 100%;
  max-width: 640px;
  border-top: 4px solid var(--accent);

  /* slide-up entrance */
  animation: fadeUp .55s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}



h2 {
  font-family: 'DM Sans', sans-serif;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 40px 0 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}

h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Field Groups ───────────────────────────────────── */
.field-group {
  margin-bottom: 24px;
}

label {
  display: block;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--text-primary);
  margin-bottom: 7px;
}

/* required asterisk */
label[for="nome"]::after,
label[for="email"]::after,
label[for="telefone"]::after {
  content: ' *';
  color: var(--accent);
}

/* ── Inputs ─────────────────────────────────────────── */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"] {
  display: block;
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #fafaf8;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: .93rem;
  font-weight: 300;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="tel"]::placeholder,
input[type="number"]::placeholder {
  color: #b8b3ab;
  font-weight: 300;
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
input[type="number"]:hover {
  border-color: #c0bab2;
  background: #fff;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus {
  border-color: var(--border-focus);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(26,26,46,.07);
}

input:invalid:not(:placeholder-shown) {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(192,57,43,.08);
}

/* ── Radio Group ────────────────────────────────────── */
p {
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 36px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #fafaf8;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.radio-option:hover {
  border-color: var(--accent);
  background: #fffdf9;
}

.radio-option input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 2px solid var(--border);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}

.radio-option input[type="radio"]::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform var(--transition);
}

.radio-option input[type="radio"]:checked {
  border-color: var(--accent);
}

.radio-option input[type="radio"]:checked::after {
  transform: translate(-50%, -50%) scale(1);
}

.radio-option:has(input:checked) {
  border-color: var(--accent);
  background: #fffdf5;
}

.radio-option label {
  margin: 0;
  font-size: .9rem;
  font-weight: 400;
  cursor: pointer;
  letter-spacing: 0;
}

/* ── Submit Button ──────────────────────────────────── */
button[type="submit"] {
  display: block;
  width: 100%;
  padding: 15px 28px;
  background: var(--text-primary);
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

button[type="submit"]::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  z-index: 0;
}

button[type="submit"] span,
button[type="submit"] {
  position: relative;
  z-index: 1;
}

button[type="submit"]:hover::before {
  transform: scaleX(1);
}

button[type="submit"]:hover {
  box-shadow: 0 6px 20px rgba(200,169,110,.35);
}

button[type="submit"]:active {
  transform: translateY(1px);
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 680px) {
  form {
    padding: 40px 28px 44px;
  }
}

@media (max-width: 420px) {
  form {
    padding: 32px 18px 36px;
    border-radius: 0;
    box-shadow: none;
  }
  body {
    padding: 0;
  }
}