:root {
    --bg: #0a0c10;
    --card-bg: #12151a;
    --text: #e6e9ee;
    --text-muted: #9ca3af;
    --border: #2d3748;
    --accent: #0a1a3f;
    --success: #4caf50;
    --warning: #ff9800;
    --primary: #0a1a3f;
    --secondary: #1e293b;
    --highlight: #38bdf8;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.app-container {
    max-width: 1024px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
}
.header .logo {
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: 0.1em;
    color: white;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.header h1 {
    font-size: 2.2rem;
    margin-bottom: 12px;
    background: linear-gradient(90deg, #38bdf8, #60a5fa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.subtitle {
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* Packages */
.packages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 50px;
}

.package-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 28px 24px;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border);
}
.package-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(10, 26, 63, 0.3);
}
.package-card .tag {
    position: absolute;
    top: -10px;
    left: 24px;
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}
.package-card h3 {
    font-size: 1.4rem;
    margin: 16px 0 12px;
}
.package-card .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--highlight);
    margin: 8px 0;
}
.package-card .original {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-top: 4px;
}
.package-card .savings {
    color: var(--success);
    font-weight: 600;
    margin-top: 8px;
}
.package-card .features {
    margin: 16px 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}
.package-card .features span {
    display: block;
}
.btn-select {
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: background 0.3s;
}
.btn-select:hover {
    background: #08142f;
}

/* Directions */
.directions {
    margin-bottom: 50px;
}
.direction {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
}
.dir-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.dir-header h4 {
    font-size: 1.25rem;
    margin: 0;
}
.pkg-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--success);
    cursor: pointer;
}
.pkg-toggle input {
    width: 16px;
    height: 16px;
    accent-color: var(--success);
}
.services {
    list-style: none;
}
.services li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border);
}
.services li:last-child {
    border-bottom: none;
}
.services label {
    display: flex;
    align-items: center;
    gap: 12px;
}
.services input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}
.services span {
    flex: 1;
    font-size: 1rem;
}

/* Total bar */
.total-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--secondary);
    padding: 20px 24px;
    border-radius: 12px;
    margin-top: 30px;
}
.total-text {
    font-weight: 600;
    font-size: 1.1rem;
}
.total-amount {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--highlight);
}
.btn-next {
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}
.btn-next:hover {
    background: #08142f;
}

/* Page 2 */
#delivery-form .delivery-item {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
}
#delivery-form h4 {
    margin-bottom: 12px;
    color: var(--highlight);
}
#delivery-form select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 1rem;
}

.form-group {
    margin: 24px 0;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}
.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 1rem;
}

.btn-group {
    display: flex;
    gap: 16px;
    margin-top: 30px;
}
.btn-back,
.btn-submit {
    flex: 1;
    padding: 14px;
    border-radius: 6px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}
.btn-back {
    background: var(--border);
    color: var(--text);
}
.btn-back:hover {
    background: #374151;
}
.btn-submit {
    background: var(--success);
    color: white;
}
.btn-submit:hover {
    background: #38a169;
}

/* Pages */
.page {
    display: none;
}
.page.active {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .packages {
        grid-template-columns: 1fr;
    }
    .header h1 {
        font-size: 1.8rem;
    }
    .total-bar {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .btn-group {
        flex-direction: column;
    }
}