:root {
    --accent: #e63946;
    --bg-dark: #0a0a0b;
    --bg-card: #151518;
    --text-main: #f0f0f2;
    --text-muted: #a0a0a5;
    --border: #2a2a2e;
}

body.antler-dark {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Source Serif Pro', serif;
    margin: 0;
    padding: 0;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 3rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-logo {
    height: 60px;
    transition: transform 0.3s;
}

.nav-logo:hover {
    transform: scale(1.05);
}

.btn-text-link {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.6rem 1.2rem;
    font-family: 'Bebas Neue', cursive;
    font-size: 0.8rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    border-radius: 2px;
}

.btn-text-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(230, 57, 70, 0.05);
}

.step-indicator {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.step {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Bebas Neue', cursive;
    color: var(--text-muted);
}

.step.active {
    border-color: var(--accent);
    color: var(--text-main);
}

.line {
    width: 40px;
    height: 2px;
    background: var(--border);
}

/* Mobile Step Indicator */
.step-indicator-mobile {
    display: none;
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    margin: 0.5rem auto 0 auto;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.step-mobile-info {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 0.4rem;
}

.step-mobile-label {
    color: var(--accent);
    font-weight: bold;
}

.step-mobile-title {
    color: var(--text-main);
    text-transform: uppercase;
}

.step-mobile-progress {
    width: 100%;
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.step-mobile-progress-bar {
    height: 100%;
    background: var(--accent);
    width: 20%;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Wizard Steps */
.wizard-step {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.wizard-step.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Typography */
h1 {
    font-family: 'Bebas Neue', cursive;
    font-size: 3.5rem;
    margin: 0;
    letter-spacing: 2px;
}

.step-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-family: 'Bebas Neue', cursive;
    font-size: 0.9rem;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

input[type="text"], select {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 1rem;
    font-size: 1rem;
    border-radius: 4px;
}

/* Upload Box */
.upload-box {
    border: 2px dashed var(--border);
    background: var(--bg-card);
    padding: 4rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s;
    margin: 2rem 0;
}

.upload-box:hover, .upload-box.drag-over {
    border-color: var(--accent);
}

/* Upload Guidelines */
.upload-guidelines {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.upload-guidelines h3 {
    font-family: 'Bebas Neue', cursive;
    font-size: 1.2rem;
    letter-spacing: 2px;
    margin: 0 0 1.5rem 0;
    color: var(--accent);
}

.guidelines-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.guide-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.guide-icon {
    font-size: 1.5rem;
    background: rgba(255,255,255,0.05);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.guide-text {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.guide-text strong {
    font-family: 'Bebas Neue', cursive;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.guide-text span {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

@media (max-width: 768px) {
    .guidelines-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.dev-bypass-section {
    margin: 2rem 0;
    padding: 1rem;
    border: 1px solid #333;
    border-radius: 4px;
}

.dev-gallery {
    margin-top: 1rem;
}

.dev-assets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
    max-height: 200px;
    overflow-y: auto;
}

.dev-asset {
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s;
}

.dev-asset:hover {
    border-color: var(--accent);
}

.dev-asset img {
    width: 100%;
    display: block;
}

/* Buttons */
.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    font-family: 'Bebas Neue', cursive;
    font-size: 1.2rem;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: transform 0.2s, background 0.3s;
}

.btn-primary:disabled {
    background: #444;
    cursor: not-allowed;
}

.btn-primary:hover:not(:disabled) {
    background: #ff4d5a;
    transform: scale(1.02);
}

/* Map */
#map-picker {
    height: 300px;
    border: 1px solid var(--border);
    border-radius: 4px;
}

.coord-display {
    margin-top: 1rem;
    display: flex;
    gap: 2rem;
    font-family: 'Space Mono', monospace;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Concepts Reveal */
.split-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
}

.concepts-reveal {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.artist-status {
    text-align: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

#artist-message {
    font-family: 'Bebas Neue', cursive;
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.concepts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    overflow-y: auto;
    max-height: 700px;
    padding-right: 1rem;
}

.selection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.concept-card {
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
    position: relative;
    width: 100%;
}

.concept-card img {
    width: 100%;
    display: block;
}

.concept-card.selected {
    border-color: var(--accent);
    transform: scale(1.05);
}

/* Dual-Series Storefront */
.storefront-container {
    max-width: 1000px;
    margin: 0 auto;
    padding-bottom: 120px; /* Space for sticky footer */
}

.storefront-header {
    text-align: center;
    margin-bottom: 4rem;
}

.series-section {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    margin-bottom: 6rem;
    align-items: center;
}

.series-hero {
    position: relative;
}

.hero-frame {
    background: #000;
    border: 1px solid var(--border);
    padding: 1.5rem;
    position: relative;
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
    aspect-ratio: 1/1; /* Keep frame stable while loading */
    display: flex;
    align-items: center;
    justify-content: center;
}

.skeleton-loader {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #111;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.skeleton-loader::after {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skeleton-icon {
    font-size: 2rem;
    color: #222;
    margin-bottom: 1rem;
    font-family: 'Bebas Neue', cursive;
}

.hero-frame img {
    width: 100%;
    display: block;
}

.series-badge {
    position: absolute;
    top: -10px;
    left: -10px;
    background: var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    font-family: 'Bebas Neue', cursive;
    font-size: 1rem;
    letter-spacing: 1px;
    box-shadow: 5px 5px 0 rgba(0,0,0,0.5);
    z-index: 20; /* Sit above the skeleton loader */
}

.series-badge.topo {
    background: #2a2a2e;
    border: 1px solid var(--accent);
}

.series-products {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.series-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border), transparent);
    margin: 4rem 0;
}

/* Ultimate Bundle Card */
.ultimate-section {
    margin: 6rem 0;
}

.ultimate-card {
    background: linear-gradient(145deg, #1a1a1d, #111);
    border: 2px solid #d4af37; /* Gold border */
    padding: 3rem;
    border-radius: 12px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.ultimate-header {
    text-align: center;
    margin-bottom: 2rem;
}

/* Bundles Section */
.bundles-section {
    margin: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-family: 'Bebas Neue', cursive;
    font-size: 2.5rem;
    letter-spacing: 2px;
    margin: 0;
}

.section-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.bundle-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.ultimate-header h2 {
    font-family: 'Bebas Neue', cursive;
    font-size: 3rem;
    color: #d4af37;
    margin: 0;
}

.ultimate-content {
    display: grid;
    grid-template-columns: 1fr 250px;
    gap: 3rem;
    align-items: center;
}

.ultimate-perks ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ultimate-perks li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    font-size: 1.1rem;
}

.ultimate-perks li.exclusive {
    color: #d4af37;
    font-weight: bold;
}

.ultimate-pricing {
    text-align: center;
    background: rgba(0,0,0,0.3);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.price-label {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.price-val {
    display: block;
    font-size: 3rem;
    font-family: 'Bebas Neue', cursive;
    margin: 0.5rem 0 1.5rem;
}

.btn-ultimate {
    background: #d4af37;
    color: black;
    border: none;
    padding: 1rem 1.5rem;
    width: 100%;
    font-family: 'Bebas Neue', cursive;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-ultimate:hover {
    transform: scale(1.05);
    background: #f1c40f;
}

/* Sticky Footer */
.store-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 11, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

.summary-info {
    display: flex;
    align-items: baseline;
    gap: 2rem;
}

.summary-line {
    font-family: 'Bebas Neue', cursive;
    font-size: 1rem;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.summary-total {
    font-family: 'Bebas Neue', cursive;
    font-size: 2.5rem;
    color: var(--text-main);
}

/* Store Cards (Small list version) */
.store-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    padding: 1rem;
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 1.5rem;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s;
}

.card-visual {
    background: #000;
    border: 1px solid #222;
    border-radius: 4px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-mockup {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.store-card:hover { border-color: #444; }
.store-card.selected { border-color: var(--accent); background: rgba(230,57,70,0.05); }

.card-info h3 { margin: 0; font-family: 'Bebas Neue', cursive; font-size: 1.1rem; }
.card-info .price { font-family: 'Space Mono', monospace; font-size: 0.9rem; }

.btn-add {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.4rem 0.8rem;
    font-family: 'Bebas Neue', cursive;
    font-size: 0.8rem;
    cursor: pointer;
}

.store-card.selected .btn-add { background: var(--accent); color: white; border-color: var(--accent); }

/* Color Swatches */
.color-swatches {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.8rem;
}

.swatch {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
    position: relative;
}

.swatch:hover {
    transform: scale(1.2);
}

.swatch.active {
    border: 2px solid var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.swatch-label {
    display: none;
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    background: #000;
    color: white;
    font-size: 0.6rem;
    padding: 2px 5px;
    white-space: nowrap;
    border: 1px solid var(--border);
}

.swatch:hover .swatch-label {
    display: block;
}

.bundle-card {
    border-style: dashed;
    margin-top: 0.5rem;
}

/* Modals */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hidden {
    display: none !important;
}

.modal.hidden { display: none; }

.modal-content.product-detail-view {
    max-width: 1000px;
    padding: 3rem;
    background: #0a0a0b;
    border: 1px solid var(--border);
}

.modal-content.confirm-view {
    max-width: 450px;
    padding: 3rem;
    background: #0a0a0b;
    border: 1px solid var(--border);
    text-align: center;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8);
}

.confirm-header h2 {
    font-family: 'Bebas Neue', cursive;
    font-size: 2.5rem;
    color: var(--accent);
    margin: 0;
}

.confirm-header p {
    color: var(--text-muted);
    margin: 1.5rem 0 2.5rem;
    font-size: 1rem;
    line-height: 1.5;
}

.confirm-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.mockup-frame {
    background: #000;
    border: 1px solid var(--border);
    padding: 1.5rem;
    position: relative;
    aspect-ratio: 1/1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-frame .loading-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.8);
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.mockup-frame img {
    width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.view-toggles {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    justify-content: center;
}

.view-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    font-family: 'Bebas Neue', cursive;
    cursor: pointer;
    font-size: 0.8rem;
}

.view-btn.active {
    color: var(--text-main);
    border-color: var(--accent);
}

.detail-info h2 {
    font-family: 'Bebas Neue', cursive;
    font-size: 2.5rem;
    margin: 0;
}

.modal-price {
    font-family: 'Space Mono', monospace;
    font-size: 1.5rem;
    color: var(--accent);
    margin-top: 0.5rem;
}

.modal-description {
    margin: 2rem 0;
    color: var(--text-muted);
    line-height: 1.6;
}

.modal-description ul {
    margin-top: 1rem;
    padding-left: 1.2rem;
    font-size: 0.9rem;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 3rem;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 1rem;
    font-family: 'Bebas Neue', cursive;
    cursor: pointer;
    letter-spacing: 1px;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.05);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary.confirmed {
    background: #4ade80;
    border-color: #4ade80;
    color: #000;
    opacity: 1 !important;
}

.close-modal {
    position: absolute;
    top: 1rem; right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
}

.large {
    width: 100%;
}

/* Checkout Layout */
.checkout-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 2rem;
}

.checkout-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: 'Bebas Neue', cursive;
    font-size: 0.8rem;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.form-group input {
    background: #1a1a1e;
    border: 1px solid var(--border);
    padding: 0.8rem 1rem;
    color: var(--text-main);
    font-family: inherit;
    border-radius: 4px;
}

.payment-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.order-summary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 4px;
    position: sticky;
    top: 2rem;
}

.order-summary h3 {
    font-family: 'Bebas Neue', cursive;
    margin-top: 0;
    margin-bottom: 2rem;
    letter-spacing: 1px;
}

.summary-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.summary-item {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    gap: 1rem;
    align-items: center;
}

.summary-thumb {
    width: 60px;
    height: 60px;
    background: #000;
    border-radius: 4px;
    object-fit: cover;
}

.summary-item-info h4 {
    margin: 0;
    font-size: 0.9rem;
    font-family: 'Bebas Neue', cursive;
}

.summary-item-info p {
    margin: 0.2rem 0 0;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.summary-footer {
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.summary-total {
    display: flex;
    justify-content: space-between;
    font-family: 'Bebas Neue', cursive;
    font-size: 1.5rem;
    color: var(--text-main);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.checkout-actions {
    margin-top: 2rem;
}

/* Bundle Configuration Modal */
.modal-content.bundle-config-view {
    max-width: 600px;
    width: 90%;
    padding: 2.5rem;
    background: #0a0a0b;
    border: 1px solid var(--border);
    position: relative;
}

.bundle-modal-header {
    text-align: center;
    margin-bottom: 2rem;
}

.bundle-modal-header h2 {
    font-family: 'Bebas Neue', cursive;
    font-size: 2.5rem;
    margin: 0;
}

.bundle-modal-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.bundle-items-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.bundle-item-config {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    align-items: center;
    padding: 1rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
}

.bundle-item-config img {
    width: 100%;
    background: #000;
    border-radius: 4px;
}

.bundle-item-info h4 {
    margin: 0 0 0.5rem 0;
    font-family: 'Bebas Neue', cursive;
    font-size: 1.1rem;
}

.bundle-modal-footer {
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
}

/* Custom Scrollbar */
.bundle-items-list::-webkit-scrollbar {
    width: 6px;
}
.bundle-items-list::-webkit-scrollbar-track {
    background: transparent;
}
.bundle-items-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}
.bundle-items-list::-webkit-scrollbar-thumb:hover {
    background: #444;
}

@media (max-width: 900px) {
    .checkout-layout {
        grid-template-columns: 1fr;
    }
    .order-summary {
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .app-container {
        padding: 1rem;
        overflow-x: hidden;
    }
    .upload-box {
        padding: 2rem 1rem;
        margin: 1.5rem 0;
    }
    .main-header {
        flex-direction: column;
        gap: 1.5rem;
        padding-bottom: 2rem;
        text-align: center;
    }
    .header-left {
        justify-content: center;
        width: 100%;
    }
    .nav-logo {
        height: 45px;
    }
    .btn-text-link {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
    .step-indicator {
        display: none !important;
    }
    .step-indicator-mobile {
        display: flex;
    }
    .split-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .selection-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 1.5rem 0;
    }
    .concept-card.selected {
        transform: scale(1.02);
    }
    .series-section {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 3.5rem;
    }
    .series-hero {
        max-width: 450px;
        margin: 0 auto;
    }
    .store-card {
        grid-template-columns: 80px 1fr;
        grid-template-rows: auto auto;
        gap: 1rem;
    }
    .store-card .btn-add {
        grid-column: 1 / span 2;
        width: 100%;
        margin-top: 0.5rem;
        height: 2.8rem; /* Touch friendly tap targets */
    }
    .swatch {
        width: 28px; /* Bigger touch targets */
        height: 28px;
    }
    .color-swatches {
        gap: 0.8rem;
        margin-top: 1rem;
    }
    .bundle-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .ultimate-card {
        padding: 1.5rem;
    }
    .ultimate-content {
        grid-template-columns: 1fr; /* Stack grid columns vertically on mobile */
        gap: 1.5rem;
    }
    .ultimate-pricing {
        max-width: 300px;
        margin: 0 auto;
        width: 100%;
        box-sizing: border-box;
    }
    .store-footer {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 1.5rem;
    }
    .summary-info {
        width: 100%;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }
    .summary-total {
        font-size: 2rem;
    }
    .store-footer button {
        width: 100%;
        height: 3rem;
        font-size: 1.1rem;
    }
    /* Scrollable modals for tall layout stack */
    .modal {
        align-items: flex-start;
        overflow-y: auto;
        padding: 2rem 0;
    }
    .modal-content {
        width: 95%;
        padding: 1.5rem;
        margin: auto;
        box-sizing: border-box;
    }
    .modal-content.product-detail-view {
        width: 95%;
        max-height: none;
    }
    .modal-content.designs-view {
        width: 95%;
        max-height: 90vh;
    }
    .detail-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .modal-actions {
        margin-top: 1.5rem;
    }
    /* Touch friendly form inputs */
    input, select, button {
        font-size: 16px !important; /* Prevents auto-zoom on iOS */
    }
}

@media (max-width: 480px) {

    .storefront-header h1 {
        font-size: 2.2rem;
    }
    .storefront-header p {
        font-size: 0.85rem;
    }
    .ultimate-card h2 {
        font-size: 2rem;
    }
    .confirm-view {
        padding: 1.5rem;
    }
    .confirm-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
}

/* Global Navigation Styles */
.header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-family: 'Bebas Neue', cursive;
    font-size: 1rem;
    letter-spacing: 1.5px;
    transition: color 0.2s;
    cursor: pointer;
}

.nav-link:hover {
    color: var(--accent);
}