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

:root {
    --red: #c0392b;
    --red-light: #e74c3c;
    --gold: #d4a574;
    --gold-light: #f5e6d3;
    --bg: #fffaf5;
    --text: #333;
    --text-light: #999;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

.invitation {
    max-width: 480px;
    margin: 0 auto;
    background: #fff;
    min-height: 100vh;
    box-shadow: 0 0 40px rgba(0,0,0,.06);
}

/* ── Hero ────────────────────────────── */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #a93226 0%, #c0392b 40%, #d4a574 100%);
    z-index: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 10%;
    left: 5%;
    right: 5%;
    bottom: 10%;
    border: 2px solid rgba(255,255,255,.2);
    border-radius: 4px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: #fff;
    padding: 30px;
}

.date-tag {
    font-size: 16px;
    letter-spacing: 6px;
    margin-bottom: 40px;
    opacity: .9;
}

.couple-name {
    font-size: 42px;
    font-weight: 300;
    letter-spacing: 4px;
    margin-bottom: 12px;
}

.couple-name .and {
    font-family: Georgia, serif;
    font-style: italic;
    font-size: 28px;
    vertical-align: middle;
    opacity: .8;
}

.hero-sub {
    font-size: 14px;
    letter-spacing: 6px;
    margin-top: 40px;
    opacity: .85;
}

/* ── Info Section ────────────────────── */
.info-section {
    padding: 40px 24px;
}

.info-card {
    background: #fff;
    border: 1px solid #f0e8dc;
    border-radius: 12px;
    padding: 24px 20px;
    margin-bottom: 16px;
    text-align: center;
}

.info-card h2 {
    font-size: 14px;
    color: var(--gold);
    letter-spacing: 4px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.info-card .highlight {
    font-size: 19px;
    font-weight: bold;
    color: var(--red);
    margin-bottom: 4px;
}

.info-card p {
    font-size: 15px;
    color: #666;
}

/* Map */
.map-card { padding: 20px 16px 12px; }

#map-container {
    width: 100%;
    height: 220px;
    border-radius: 8px;
    overflow: hidden;
    background: #f5f5f5;
    margin-bottom: 8px;
}

.map-note {
    font-size: 12px !important;
    color: #bbb !important;
}

/* ── RSVP Form ───────────────────────── */
.rsvp-section {
    padding: 20px 24px 60px;
}

.rsvp-section h2 {
    text-align: center;
    font-size: 22px;
    color: var(--red);
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.rsvp-sub {
    text-align: center;
    font-size: 14px;
    color: #aaa;
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 6px;
}

.required { color: var(--red-light); }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e0d6c8;
    border-radius: 8px;
    font-size: 15px;
    background: #fefdfb;
    color: #333;
    outline: none;
    transition: border-color .2s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-light);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--red), #a93226);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 17px;
    letter-spacing: 4px;
    cursor: pointer;
    margin-top: 8px;
    transition: opacity .2s;
}

.btn-submit:hover { opacity: .9; }
.btn-submit:active { opacity: .8; transform: scale(.99); }
.btn-submit:disabled { opacity: .5; cursor: not-allowed; }

/* ── Success ─────────────────────────── */
.success-msg {
    text-align: center;
    padding: 40px 0;
    animation: fadeIn .4s;
}

.success-icon {
    width: 64px;
    height: 64px;
    line-height: 64px;
    border-radius: 50%;
    background: var(--gold-light);
    color: var(--gold);
    font-size: 28px;
    margin: 0 auto 16px;
}

.success-msg p {
    font-size: 16px;
    color: #666;
}

.success-msg p:first-of-type {
    font-size: 20px;
    font-weight: bold;
    color: var(--red);
    margin-bottom: 4px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Footer ──────────────────────────── */
.footer {
    text-align: center;
    padding: 30px 24px 50px;
    color: #bbb;
    font-size: 14px;
}

.footer-small {
    font-size: 12px;
    margin-top: 4px;
    opacity: .7;
}

/* ── Error state ─────────────────────── */
.form-group input.error,
.form-group select.error {
    border-color: #e74c3c;
}

.error-tip {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 4px;
    display: none;
}