:root {
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-100: #F3F3F3;
    --color-gray-200: #EFEFEF;
    --color-gray-300: #E5E5E5;
    --color-gray-500: #808080;
    --color-gray-900: #1A1A1A;

    --font-primary: 'Outfit', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    --container-width: 1200px;
    --header-height: 70px;
    --transition-fast: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-black);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding-top: var(--header-height);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    border-radius: 4px;
    /* Slightly sharper for product feel */
    display: block;
}

/* Utilities */
.btn {
    display: inline-block;
    padding: 14px 28px;
    font-weight: 500;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    text-transform: uppercase;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-black);
}

.section-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    text-transform: uppercase;
    color: var(--color-black);
}

.nav-links {
    display: none;
}

.mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    transition: var(--transition-fast);
}

.nav.active .mobile-toggle .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav.active .mobile-toggle .bar:nth-child(2) {
    transform: rotate(-45deg) translate(5px, -6px);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: var(--spacing-md);
        align-items: center;
    }

    .mobile-toggle {
        display: none;
    }
}

/* Product Page Specifics */
.product-page {
    padding-top: var(--spacing-md);
    padding-bottom: 100px;
    /* Space for sticky CTA */
}

/* Gallery */
.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.main-image {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    background-color: var(--color-gray-100);
}

.thumbnails {
    display: flex;
    gap: var(--spacing-xs);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
}

.thumb {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.thumb.active {
    border-color: var(--color-black);
    opacity: 1;
}

/* Product Details */
.product-title {
    font-size: 2rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-xs);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.review-count {
    text-decoration: underline;
    color: var(--color-gray-500);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.original-price {
    text-decoration: line-through;
    color: var(--color-gray-500);
    margin-left: var(--spacing-xs);
    font-size: 1rem;
}

/* Variants */
.variant-label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-500);
}

.color-options {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.color-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--color-gray-300);
    cursor: pointer;
    position: relative;
}

.color-btn.active::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 1px solid var(--color-black);
    border-radius: 50%;
}

/* Accordions */
.accordions {
    border-top: 1px solid var(--color-gray-200);
    margin-top: var(--spacing-md);
}

.accordion-item {
    border-bottom: 1px solid var(--color-gray-200);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
}

.accordion-content {
    display: none;
    padding-bottom: 1rem;
    color: var(--color-gray-500);
    font-size: 0.95rem;
}

.accordion-content.active {
    display: block;
}

/* Reviews List */
.reviews-section {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-100);
    margin-top: var(--spacing-lg);
}

.reviews-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.review-item {
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.review-header {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: 0.8rem;
}

.verified {
    font-size: 0.7rem;
    background: var(--color-black);
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
}

.review-title {
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.review-item p {
    font-size: 0.95rem;
    color: var(--color-gray-700);
    line-height: 1.5;
}

/* Sticky CTA (Mobile) */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #fff;
    padding: var(--spacing-sm);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 9999;
}

.sticky-info {
    display: flex;
    flex-direction: column;
}

.sticky-title {
    font-weight: 500;
    font-size: 0.9rem;
}

.cod-tag {
    font-size: 0.7rem;
    color: var(--color-gray-500);
}

.desktop-only {
    display: none;
}

@media (min-width: 900px) {
    .product-grid {
        grid-template-columns: 1.5fr 1fr;
        gap: var(--spacing-xl);
        align-items: start;
    }

    .thumbnails {
        margin-top: var(--spacing-sm);
    }

    .product-title {
        font-size: 3rem;
    }

    .sticky-cta.mobile-only {
        display: none;
    }

    .desktop-only {
        display: block;
    }

    .btn-block {
        width: 100%;
        text-align: center;
    }
}

/* Footer */
.footer {
    background-color: #0d0d0d;
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--color-gray-900);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col p {
    color: var(--color-gray-500);
}

.footer-col a {
    display: block;
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    color: var(--color-gray-500);
    font-size: 0.85rem;
    padding-top: var(--spacing-md);
    border-top: 1px solid #222;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* --- High Conversion Additions --- */

/* Stock Indicator */
.stock-indicator {
    color: #d32f2f;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stock-dot {
    width: 8px;
    height: 8px;
    background-color: #d32f2f;
    border-radius: 50%;
    display: inline-block;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }

    100% {
        opacity: 1;
    }
}

/* Discount Badge */
.discount-badge {
    background-color: var(--color-black);
    color: #fff;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: var(--spacing-xs);
}

/* Pulse Button Animation */
.pulse-btn {
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.7);
    animation: pulse 2s infinite;
    font-weight: 700;
    letter-spacing: 1px;
}

@keyframes pulse {
    0% {
        transform: scale(0.98);
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.4);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(0, 0, 0, 0);
    }

    100% {
        transform: scale(0.98);
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
    }
}

/* Trust Box */
.trust-box {
    background-color: var(--color-gray-100);
    padding: 10px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-gray-900);
    border-radius: 4px;
    margin-top: var(--spacing-sm);
    border: 1px solid var(--color-gray-300);
}

/* Open Features List */
.features-list-open {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--color-gray-200);
}

.features-list-open h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.features-list-open ul li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
    font-size: 0.95rem;
    color: var(--color-gray-900);
}

.features-list-open ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-black);
    font-weight: bold;
}

/* --- Checkout Page Styles --- */
.checkout-header {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-200);
    background: #fff;
}

.checkout-page {
    padding-top: var(--spacing-md);
    padding-bottom: 120px;
}

.checkout-grid {
    display: flex;
    flex-direction: column-reverse;
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .checkout-grid {
        flex-direction: column;
    }

    .order-summary {
        background: var(--color-gray-100);
        padding: var(--spacing-sm);
        border-radius: 8px;
        margin-bottom: var(--spacing-md);
        margin-top: var(--spacing-md);
    }
}

@media (min-width: 900px) {
    .checkout-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        align-items: start;
        flex-direction: unset;
    }

    .order-summary {
        position: sticky;
        top: 100px;
        border: 1px solid var(--color-gray-200);
        padding: var(--spacing-md);
        border-radius: 8px;
    }
}

.checkout-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus {
    border-color: var(--color-black);
}

.payment-method {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.method-card {
    border: 1px solid var(--color-black);
    padding: var(--spacing-sm);
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.02);
}

.radio-circle {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.radio-circle::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--color-black);
    border-radius: 50%;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: var(--spacing-sm);
}

.item-info {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

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

.summary-totals .row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    color: var(--color-gray-500);
}

.summary-totals .total {
    color: var(--color-black);
    font-weight: 700;
    font-size: 1.2rem;
    border-top: 1px dashed var(--color-gray-300);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}


/* --- Success Page Styles --- */
.success-page {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
    display: flex;
    justify-content: center;
}

.success-card {
    max-width: 500px;
    width: 100%;
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background-color: var(--color-black);
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.checkmark {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 700;
}

.success-title {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

.success-message {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-md);
}

.order-info-box {
    background: var(--color-gray-100);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

/* Timeline */
.timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding: 0 var(--spacing-xs);
}

.timeline::before {
    content: '';
    position: absolute;
    top: 14px;
    /* Half of circle height roughly */
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-gray-200);
    z-index: 1;
}

.timeline-step {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    /* To hide line behind text if needed, but here icon covers line */
    width: 25%;
}

.step-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--color-gray-200);
    margin-bottom: 8px;
    border: 4px solid #fff;
    /* Space around circle */
    transition: all 0.3s;
}

.step-label {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

.step-date {
    font-size: 0.65rem;
    color: var(--color-gray-500);
    margin-top: 2px;
}

/* Status States */
.timeline-step.completed .step-icon {
    background: var(--color-black);
}

.timeline-step.completed .step-label {
    color: var(--color-black);
}

.timeline-step.active .step-icon {
    background: #fff;
    border: 4px solid var(--color-black);
}

.timeline-step.active .step-label {
    color: var(--color-black);
    font-weight: 700;
}

.success-actions {
    margin-top: var(--spacing-lg);
}

.support-text {
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--color-gray-500);
}

.support-text a {
    text-decoration: underline;
}

/* Trust Header Link */
.support-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-black);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 12px;
    background: var(--color-gray-100);
    border-radius: 20px;
    transition: background 0.3s;
}

.support-link:hover {
    background: var(--color-gray-200);
}

.support-link .text {
    display: none;
}

@media (min-width: 400px) {
    .support-link .text {
        display: inline;
    }
}