:root {
  --dark-bg: #000;
  --card-bg: #0f0f0f;
  --accent: #e1541d;
  --accent-hover: #d4440b;
  --text-primary: #f3f4f6;
  --text-secondary: #d1d5db;
  --border-color: #2f2f2f;
  --input-bg: #232323;
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}
.required {
  color: var(--accent);
}
body {
  min-height: 100vh;
  background-color: var(--dark-bg);
  color: var(--text-primary);
}

/* Background wrapper */
.content {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at top right,
    rgba(81, 136, 138, 0.9) 10%,
    rgba(225, 84, 29, 0.6) 25%,
    rgba(0, 0, 0, 1) 55%
  );
  z-index: 1;
  pointer-events: none;
}

/* Layout */
.container {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 20px;
}

.main-content {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Card */
.form-section {
  width: 100%;
  max-width: 520px;
  background-color: var(--card-bg);
  border-radius: 14px;
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  animation: fadeIn 0.8s ease forwards;
}

/* Header */
.form-header {
  text-align: center;
  margin-bottom: 25px;
}

.form-header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 1px;
}

.subtitle {
  color: var(--accent);
  font-weight: 500;
}

/* Title */
.form-title {
  text-align: center;
  font-size: 1.2rem;
  margin-bottom: 25px;
}

/* Form */
.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  transition: 0.3s;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(225, 84, 29, 0.2);
}

.form-input::placeholder {
  color: #9ca3af;
}

.optional {
  font-weight: normal;
  color: #9ca3af;
}

/* Button */
.submit-btn {
  width: 100%;
  padding: 16px;
  background-color: var(--accent);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
}

.submit-btn:hover {
  background-color: var(--accent-hover);
}

/* Note */
.security-note {
  margin-top: 22px;
  text-align: center;
  font-size: 0.9rem;
  color: #9ca3af;
  border-top: 1px solid var(--border-color);
  padding-top: 18px;
}

/* Footer */
.footer {
  margin-top: 25px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.highlight {
  color: var(--accent);
  font-weight: 600;
}

/* Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 480px) {
  .form-section {
    padding: 30px 22px;
  }

  .form-title {
    font-size: 1.4rem;
  }
}