:root {
  --bg: #0a0f0a;
  --bg2: #111711;
  --bg3: #161e16;
  --green: #25d366;
  --green2: #128c7e;
  --green-glow: rgba(37,211,102,0.13);
  --green-dim: rgba(37,211,102,0.06);
  --text: #e8f5e8;
  --text2: #7a9e7a;
  --border: rgba(37,211,102,0.15);
  --radius: 16px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: -150px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37,211,102,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.wrap {
  width: 100%;
  max-width: 480px;
  position: relative;
  z-index: 1;
}

/* HEADER */
.header {
  text-align: center;
  margin-bottom: 40px;
  animation: fadeDown 0.6s ease both;
}

.logo-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--green), var(--green2));
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  margin: 0 auto 16px;
  box-shadow: 0 0 40px rgba(37,211,102,0.25);
}

h1 {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--green), #a8f0c0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: var(--text2);
  font-size: 0.9rem;
  margin-top: 6px;
}

/* CARD */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
  animation: fadeUp 0.5s ease both;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0.5;
}

.label {
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 10px;
}

.phone-row {
  display: flex;
  gap: 10px;
}

.flag-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text2);
  font-size: 0.85rem;
  white-space: nowrap;
  user-select: none;
}

input, textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: none;
}

input:focus, textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-dim);
}

input::placeholder, textarea::placeholder {
  color: var(--text2);
  opacity: 0.5;
}

.hint {
  font-size: 0.76rem;
  color: var(--text2);
  margin-top: 8px;
  opacity: 0.6;
}

.char-count {
  font-size: 0.75rem;
  color: var(--text2);
  text-align: right;
  margin-top: 6px;
  opacity: 0.5;
}

/* BOTÃO */
.btn-wpp {
  width: 100%;
  background: linear-gradient(135deg, var(--green), var(--green2));
  border: none;
  border-radius: 12px;
  padding: 18px;
  color: white;
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s;
  box-shadow: 0 4px 24px rgba(37,211,102,0.22);
  animation: fadeUp 0.6s 0.2s ease both;
}

.btn-wpp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37,211,102,0.32);
}

.btn-wpp:active { transform: translateY(0); }

/* ERRO */
.error-msg {
  background: rgba(255,80,80,0.08);
  border: 1px solid rgba(255,80,80,0.2);
  border-radius: 10px;
  padding: 12px 16px;
  color: #ff8080;
  font-size: 0.88rem;
  display: none;
  margin-top: 10px;
  animation: fadeUp 0.3s ease both;
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}