/* ============================================
   SNARKTHREAD – STOREFRONT STYLES
   Design: Dark, bold, irreverent
   Fonts: DM Sans (body), Space Grotesk (headings)
   ============================================ */

:root {
    --black: #0a0a0a;
    --white: #f5f5f0;
    --accent: #ff3d00;
    --gray: #888;
    --dark-gray: #1a1a1a;
    --card-bg: #111111;
    --border: #222;
    --radius: 8px;
    --radius-lg: 16px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

/* Noise Overlay */
.noise {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

/* ============ NAVIGATION ============ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.nav.scrolled {
    padding: 0.75rem 2rem;
    background: rgba(10, 10, 10, 0.95);
}

.nav-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--white);
}

.nav-logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray);
    transition: color var(--transition);
}

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

.cart-toggle {
    position: relative;
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    transition: color var(--transition);
}

.cart-toggle:hover {
    color: var(--accent);
}

.cart-badge {
    position: absolute;
    top: 0;
    right: -4px;
    background: var(--accent);
    color: var(--white);
    font-size: 0.65rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    opacity: 0;
    transform: scale(0.5);
    transition: var(--transition);
}

.cart-badge.visible {
    opacity: 1;
    transform: scale(1);
}

/* ============ HERO SECTION ============ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    position: relative;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.tag {
    font-family: 'Space Grotesk', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--accent);
    margin-bottom: 2rem;
    font-weight: 600;
}

h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 700;
    line-height: 0.95;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
}

h1 .strike {
    text-decoration: line-through;
    color: var(--gray);
    text-decoration-color: var(--accent);
    text-decoration-thickness: 3px;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--gray);
    max-width: 500px;
    margin-bottom: 3rem;
    line-height: 1.7;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background: #ff5a2e;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 61, 0, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-sm {
    padding: 0.6rem 1.5rem;
    font-size: 0.75rem;
}

.btn-buy {
    background: var(--accent);
    color: var(--white);
    width: 100%;
    justify-content: center;
}

.btn-buy:hover {
    background: #ff5a2e;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--dark-gray);
    color: var(--white);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--gray);
}

/* ============ SECTIONS ============ */
.section {
    padding: 6rem 2rem;
    position: relative;
    z-index: 2;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.section-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 0.75rem;
}

.section-cta {
    text-align: center;
    margin-top: 3rem;
}

/* ============ PRODUCT GRID ============ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

/* ============ PRODUCT CARD ============ */
.product-card {
    display: block;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    border-color: rgba(255, 61, 0, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* Tee Mockup */
.tee-mockup {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1.15;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--dark-gray);
}

.tee-shape {
    position: relative;
    width: 75%;
    height: 85%;
    background: #151515;
    clip-path: polygon(
        30% 0%, 0% 12%, 12% 22%, 12% 100%, 88% 100%, 88% 22%, 100% 12%, 70% 0%, 63% 6%, 50% 9%, 37% 6%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22% 12% 10% 12%;
    transition: var(--transition);
}

.product-card:hover .tee-shape {
    transform: scale(1.03);
}

.tee-text {
    text-align: center;
    line-height: 1.2;
    word-break: break-word;
    max-width: 100%;
}

/* Product Info */
.product-info {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-info h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.product-price {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent);
}

/* ============ SHOP PAGE ============ */
.shop-header {
    text-align: center;
    padding: 8rem 2rem 3rem;
}

.shop-header h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1rem;
}

.shop-header p {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}

.shop-grid {
    padding: 0 2rem 6rem;
}

/* ============ PRODUCT DETAIL ============ */
.product-detail {
    padding: 7rem 2rem 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

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

.detail-mockup {
    position: sticky;
    top: 6rem;
}

.detail-mockup .tee-mockup {
    border-radius: var(--radius-lg);
    aspect-ratio: 1 / 1.2;
}

.detail-mockup .tee-shape {
    width: 80%;
    height: 88%;
}

.detail-info {
    padding-top: 1rem;
}

.detail-info .tag {
    margin-bottom: 1rem;
}

.detail-info h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 0.5rem;
    line-height: 1.1;
}

.detail-saying {
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: 2rem;
    font-style: italic;
}

.detail-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 2rem;
}

/* Size Selector */
.size-selector {
    margin-bottom: 2rem;
}

.size-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 0.75rem;
    display: block;
}

.size-options {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.size-btn {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.7rem 1.2rem;
    background: var(--dark-gray);
    color: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    min-width: 52px;
    text-align: center;
}

.size-btn:hover {
    border-color: var(--gray);
}

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

.detail-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.detail-actions .btn {
    flex: 1;
    justify-content: center;
}

.detail-features {
    border-top: 1px solid var(--border);
    padding-top: 2rem;
    margin-top: 1rem;
}

.detail-features h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 1rem;
}

.detail-features ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-features li {
    color: var(--gray);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

/* ============ ABOUT SECTION ============ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-grid h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 0.75rem;
    line-height: 1.1;
}

.about-grid p {
    color: var(--gray);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* ============ FOOTER ============ */
.footer {
    border-top: 1px solid var(--border);
    padding: 4rem 2rem 2rem;
    position: relative;
    z-index: 2;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.footer-logo span {
    color: var(--accent);
}

.footer-tagline {
    color: var(--gray);
    font-size: 0.9rem;
}

.footer h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 1rem;
}

.footer a {
    display: block;
    color: var(--gray);
    font-size: 0.9rem;
    transition: color var(--transition);
    margin-bottom: 0.5rem;
}

.footer a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 2rem;
}

.footer-bottom p {
    color: var(--gray);
    font-size: 0.8rem;
}

/* ============ CART SIDEBAR ============ */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: min(420px, 90vw);
    height: 100vh;
    background: var(--black);
    border-left: 1px solid var(--border);
    z-index: 200;
    transform: translateX(100%);
    transition: transform var(--transition);
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    transform: translateX(0);
}

.cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.cart-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
}

.cart-close {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: 0.25rem;
    transition: color var(--transition);
}

.cart-close:hover {
    color: var(--white);
}

.cart-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--gray);
    text-align: center;
    gap: 1rem;
}

.cart-empty svg {
    opacity: 0.3;
}

.cart-empty p {
    font-size: 1rem;
}

.cart-empty a {
    color: var(--accent);
    text-decoration: underline;
}

/* Cart Items */
.cart-item {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.cart-item-mockup {
    width: 70px;
    height: 80px;
    background: var(--dark-gray);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cart-item-mockup .mini-tee {
    width: 50px;
    height: 60px;
    background: #151515;
    clip-path: polygon(
        30% 0%, 0% 12%, 12% 22%, 12% 100%, 88% 100%, 88% 22%, 100% 12%, 70% 0%, 63% 6%, 50% 9%, 37% 6%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30% 10% 10% 10%;
}

.cart-item-mockup .mini-text {
    font-size: 0.35rem;
    text-align: center;
    line-height: 1.1;
}

.cart-item-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.cart-item-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
}

.cart-item-size {
    font-size: 0.8rem;
    color: var(--gray);
}

.cart-item-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.cart-item-price {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--accent);
    font-size: 0.9rem;
}

/* Quantity Controls */
.qty-controls {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.qty-btn {
    background: var(--dark-gray);
    border: none;
    color: var(--white);
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}

.qty-btn:hover {
    background: var(--accent);
}

.qty-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    width: 32px;
    text-align: center;
    background: var(--black);
}

/* Cart Footer */
.cart-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem;
    flex-shrink: 0;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.cart-total-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray);
}

.cart-total-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

.cart-checkout-note {
    font-size: 0.75rem;
    color: var(--gray);
    text-align: center;
    margin-top: 0.75rem;
}

.cart-buy-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

.cart-buy-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--dark-gray);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.cart-buy-item-name {
    font-size: 0.85rem;
    font-weight: 500;
}

.cart-buy-item-price {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray);
    margin-right: 0.75rem;
}

.cart-buy-item-right {
    display: flex;
    align-items: center;
    gap: 0;
}

.btn-buy-sm {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 1rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--accent);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.btn-buy-sm:hover {
    background: #ff5a2e;
}

/* Cart Overlay */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.cart-overlay.visible {
    opacity: 1;
    visibility: visible;
}

/* ============ TOAST ============ */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--dark-gray);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 300;
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
    white-space: nowrap;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ============ SUCCESS PAGE ============ */
.success-page {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem;
    position: relative;
    z-index: 2;
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 61, 0, 0.1);
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.success-page h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

.success-page p {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 500px;
    margin-bottom: 2rem;
}

/* ============ BACK LINK ============ */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 2rem;
    transition: color var(--transition);
}

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

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .nav {
        padding: 0.75rem 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero {
        padding: 5rem 1.25rem 3rem;
    }

    .section {
        padding: 4rem 1.25rem;
    }

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

    .product-info {
        padding: 0.75rem 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .product-info h3 {
        font-size: 0.8rem;
    }

    .product-price {
        font-size: 0.95rem;
    }

    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .detail-mockup {
        position: static;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .detail-actions {
        flex-direction: column;
    }

    .shop-grid {
        padding: 0 1.25rem 4rem;
    }

    .footer-grid {
        flex-direction: column;
        gap: 2rem;
    }

    .tee-text {
        font-size: 0.85em !important;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

.fade-in-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fade-in-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fade-in-delay-3 { animation-delay: 0.3s; opacity: 0; }