/* Zurich by Lydia - Refined Editorial & Conversion-Optimized Styles */
:root {
    --bg-primary: #121518;
    --bg-card: #1c2128;
    --bg-surface: #262d37;
    --text-main: #f0f2f5;
    --text-muted: #9ba1a6;
    --accent-gold: #d4af37;
    --accent-gold-hover: #e5c158;
    --accent-bronze: #8c7853;
    --border-color: #30363d;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--accent-gold-hover);
}

/* Header & Navigation */
header {
    background: rgba(18, 21, 24, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 5%;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-symbol {
    font-size: 1.8rem;
    color: var(--accent-gold);
    font-family: var(--font-serif);
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-main);
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
}

nav a {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

nav a:hover, nav a.active {
    color: var(--accent-gold);
}

/* Hero Section */
.hero {
    padding: 6rem 5% 4rem;
    text-align: center;
    background: linear-gradient(to bottom, #121518, #1a2027);
    border-bottom: 1px solid var(--border-color);
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 500;
    max-width: 800px;
    margin: 0 auto 1.5rem;
    line-height: 1.2;
    color: var(--text-main);
}

.hero p {
    color: var(--text-muted);
    font-size: 1.15rem;
    max-width: 650px;
    margin: 0 auto 2.5rem;
}

.btn-primary {
    background: var(--accent-gold);
    color: #121518;
    padding: 0.85rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary:hover {
    background: var(--accent-gold-hover);
    transform: translateY(-2px);
}

/* Main Container & Layout */
.main-layout {
    max-width: 1300px;
    margin: 4rem auto;
    padding: 0 5%;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: start;
}

@media(max-width: 968px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
}

/* Engine Card */
.engine-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.engine-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: var(--transition);
}

.tab-btn.active {
    background: var(--bg-surface);
    color: var(--accent-gold);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-main);
    font-size: 1rem;
    font-family: var(--font-sans);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-gold);
}

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

/* Live Preview Panel */
.preview-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    position: sticky;
    top: 6rem;
}

.preview-header {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-gold);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preview-badge {
    font-size: 0.75rem;
    background: rgba(212, 175, 55, 0.15);
    color: var(--accent-gold);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gift-card-preview {
    background: linear-gradient(135deg, #1c2128 0%, #2a313d 100%);
    border: 1px solid var(--accent-gold);
    border-radius: 10px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    margin-top: 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.gift-card-preview::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.gc-brand {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    color: var(--accent-gold);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.gc-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.gc-details {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.gc-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    font-size: 0.95rem;
}

.gc-price {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--accent-gold);
    font-weight: 600;
}

/* Response Message Banner */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    display: none;
}
.alert-success {
    background: rgba(40, 167, 69, 0.2);
    border: 1px solid #28a745;
    color: #5ddc74;
}
.alert-error {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid #dc3545;
    color: #ff6b75;
}

footer {
    text-align: center;
    padding: 3rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}