:root {
    --primary-green: #1A5C38;
    --accent-gold: #D4A017;
    --bg-cream: #FAF6EF;
    --text-brown: #5C3317;
    --white: #ffffff;
}

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

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

body::before {
    content: '';
    position: fixed;
    top: -100px; right: -100px;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26,92,56,0.08) 0%, transparent 70%);
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    bottom: -100px; left: -100px;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212,160,23,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.registration-card {
    background: var(--white);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(26,92,56,0.12), 0 4px 16px rgba(0,0,0,0.06);
    width: 100%;
    max-width: 480px;
    overflow: hidden;
    animation: slideUp 0.5s ease both;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── CARD HEADER ─────────────────────────────────────────── */
.card-header {
    background: var(--primary-green);
    padding: 36px 40px 32px;
    text-align: center;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    height: 24px;
    background: var(--white);
    border-radius: 24px 24px 0 0;
}

.brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
}

.brand img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.brand-name {
    font-family: 'Playfair Display', serif;
    color: var(--accent-gold);
    font-size: 1.3rem;
    letter-spacing: 0.05em;
}

.card-header h1 {
    font-family: 'Playfair Display', serif;
    color: var(--white);
    font-size: 1.7rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.card-header p {
    color: rgba(255,255,255,0.75);
    font-size: 0.9rem;
    font-weight: 300;
}

/* ─── CARD BODY ───────────────────────────────────────────── */
.card-body { padding: 32px 40px 40px; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group { margin-bottom: 20px; }

label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-brown);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

input {
    width: 100%;
    padding: 13px 16px;
    border: 2px solid #E8E0D4;
    border-radius: 10px;
    font-family: 'Lato', sans-serif;
    font-size: 0.95rem;
    color: var(--text-brown);
    background: var(--bg-cream);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    outline: none;
}

input::placeholder { color: #B8A99A; }

input:focus {
    border-color: var(--primary-green);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(26,92,56,0.08);
}

input:valid:not(:placeholder-shown) {
    border-color: var(--accent-gold);
}

.divider {
    height: 1px;
    background: linear-gradient(to right, transparent, #E8E0D4, transparent);
    margin: 8px 0 24px;
}

/* ─── BUTTON ──────────────────────────────────────────────── */
.btn-register {
    width: 100%;
    padding: 15px;
    background: var(--primary-green);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-family: 'Lato', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
    margin-top: 4px;
}

.btn-register::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.4s ease;
}

.btn-register:hover {
    background: #154d2f;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26,92,56,0.3);
}

.btn-register:hover::before { left: 100%; }
.btn-register:active { transform: translateY(0); }

.gold-bar {
    height: 3px;
    background: linear-gradient(to right, var(--accent-gold), #f0c040, var(--accent-gold));
    border-radius: 0 0 4px 4px;
    margin-top: 16px;
    opacity: 0.6;
}

.login-link {
    text-align: center;
    margin-top: 20px;
    font-size: 0.875rem;
    color: #9A8070;
}

.login-link a {
    color: var(--primary-green);
    font-weight: 700;
    text-decoration: none;
    transition: color 0.2s;
}

.login-link a:hover { color: var(--accent-gold); }

.social-buttons {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--accent-gold);
  border: 2px solid var(--primary-green);
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-brown);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.social-btn:hover {
    background-color: var(--primary-green);
    transform: scale(1.1);
    color: var(--white);
}

.social-btn:active {
    animation: pop 0.3 ease-in-out;
}

.social-buttons a {
    text-align: center;
    margin: 16px 0 8px;
    color: #9A8070;
    font-size: 0.875rem;
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 520px) {
    .card-header { padding: 28px 24px 26px; }
    .card-body   { padding: 28px 24px 32px; }
    .form-row    { grid-template-columns: 1fr; gap: 0; }
}