/* GLOBAL RESET & VARIABLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette: 4 selected distinct colors */
    --clr-main-dark: #1D2A3C;     /* Deep Slate / Navy for text and borders */
    --clr-accent-coral: #FF6F61;  /* Coral for header accent bar */
    --clr-accent-blue: #261E6B;   /* Deep Blue for CTA and bold elements */
    --clr-bg-light: #B3D0D9;      /* Light Blue for soft backgrounds/highlights */
    
    --clr-page-bg: #F5F5F5;
    --clr-white: #FFFFFF;
    
    /* Design System: bold-editorial, rounded (12px), flat (no shadow, borders instead) */
    --radius-card: 12px;
    --radius-btn: 6px;
    --border-thickness: 2px;
    --border-flat: var(--border-thickness) solid var(--clr-main-dark);
}

body.editorial-flat-theme {
    background-color: var(--clr-page-bg);
    color: var(--clr-main-dark);
    font-family: 'Cairo', sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* HEADER: accent-bar */
.accent-bar-header {
    background-color: var(--clr-accent-coral);
    padding: 32px 24px;
    border-bottom: var(--border-flat);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.header-product-title {
    color: var(--clr-main-dark);
    font-size: clamp(18px, 4vw, 24px);
    font-weight: 900;
    line-height: 1.4;
    text-transform: uppercase;
}

/* MAIN LAYOUT */
.main-content-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 16px;
}

/* PRODUCT SHOWCASE: Flat & Bold Editorial */
.product-editorial-card {
    background-color: var(--clr-white);
    border-radius: var(--radius-card);
    border: var(--border-flat);
    padding: 32px;
    margin-bottom: 80px;
}

@media (min-width: 768px) {
    .product-editorial-card {
        padding: 56px;
    }
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

@media (min-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

/* PURE CSS GALLERY (RTL-Safe & No Scroll Jump) */
.gallery-side {
    width: 100%;
}

.css-slider-system {
    position: relative;
    width: 100%;
}

.no-scroll-jump {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
    pointer-events: none;
}

.slider-viewport-bordered {
    width: 100%;
    border-radius: var(--radius-card);
    border: var(--border-flat);
    background-color: var(--clr-page-bg);
    overflow: hidden;
}

/* Track slides LTR correctly since we wrapped product-grid in dir="ltr" */
.slider-track {
    display: flex;
    width: 400%;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.slide-pane {
    width: 25%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.slide-pane img {
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

/* Slider Logic */
#slide-1:checked ~ .slider-viewport-bordered .slider-track { transform: translateX(0%); }
#slide-2:checked ~ .slider-viewport-bordered .slider-track { transform: translateX(-25%); }
#slide-3:checked ~ .slider-viewport-bordered .slider-track { transform: translateX(-50%); }
#slide-4:checked ~ .slider-viewport-bordered .slider-track { transform: translateX(-75%); }

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.thumb-trigger {
    cursor: pointer;
    border-radius: 8px;
    background-color: var(--clr-white);
    border: var(--border-flat);
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.thumb-trigger img {
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.thumb-trigger:hover {
    background-color: var(--clr-bg-light);
}

.thumb-trigger:hover img {
    opacity: 1;
}

/* Active Thumbnail States */
#slide-1:checked ~ .thumbnail-grid label[for="slide-1"],
#slide-2:checked ~ .thumbnail-grid label[for="slide-2"],
#slide-3:checked ~ .thumbnail-grid label[for="slide-3"],
#slide-4:checked ~ .thumbnail-grid label[for="slide-4"] {
    background-color: var(--clr-accent-coral);
    border-color: var(--clr-main-dark);
}

#slide-1:checked ~ .thumbnail-grid label[for="slide-1"] img,
#slide-2:checked ~ .thumbnail-grid label[for="slide-2"] img,
#slide-3:checked ~ .thumbnail-grid label[for="slide-3"] img,
#slide-4:checked ~ .thumbnail-grid label[for="slide-4"] img {
    opacity: 1;
}

/* EDITORIAL TYPOGRAPHY & INFO */
.details-side {
    display: flex;
    flex-direction: column;
}

.editorial-category {
    font-size: 14px;
    font-weight: 900;
    color: var(--clr-accent-coral);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    display: block;
}

.editorial-massive-heading {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.15;
    color: var(--clr-main-dark);
    margin-bottom: 32px;
}

.editorial-description {
    font-size: 16px;
    color: var(--clr-main-dark);
    line-height: 1.8;
}

.editorial-description p {
    margin-bottom: 20px;
}

.editorial-description strong {
    font-weight: 900;
    color: var(--clr-accent-blue);
}

.health-lead-text {
    font-size: 18px;
    font-weight: 700;
    background-color: var(--clr-bg-light);
    border: var(--border-flat);
    border-radius: var(--radius-card);
    padding: 16px 20px;
    margin-bottom: 24px !important;
}

/* CTA BUTTON: Solid */
.editorial-action-area {
    display: flex;
    justify-content: center;
    margin-bottom: 80px;
    width: 100%;
}

.solid-editorial-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--clr-accent-blue);
    color: var(--clr-white);
    font-size: 18px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    padding: 24px 48px;
    width: 100%;
    border: var(--border-flat);
    border-radius: var(--radius-btn);
    transition: all 0.2s ease;
}

.solid-editorial-btn:hover {
    background-color: var(--clr-accent-coral);
    color: var(--clr-main-dark);
}

/* REVIEWS MODULE: Flat & Bold */
.editorial-reviews-block {
    margin-bottom: 64px;
}

.reviews-massive-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 900;
    color: var(--clr-main-dark);
    margin-bottom: 48px;
    border-bottom: 4px solid var(--clr-main-dark);
    padding-bottom: 16px;
    display: inline-block;
}

.reviews-vertical-stack {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.flat-bordered-review {
    background-color: var(--clr-white);
    border: var(--border-flat);
    border-radius: var(--radius-card);
    padding: 32px;
}

@media (min-width: 768px) {
    .flat-bordered-review {
        padding: 40px;
    }
}

.review-header-ltr {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.review-avatar-rounded {
    width: 60px;
    height: 60px;
    border: var(--border-flat);
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--clr-bg-light);
    flex-shrink: 0;
}

.review-avatar-rounded img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-meta-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.review-author-name {
    font-weight: 900;
    font-size: 18px;
    color: var(--clr-main-dark);
}

.review-rating-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.editorial-stars {
    color: var(--color-accent-coral);
    font-size: 16px;
    letter-spacing: 2px;
}

.review-bold-headline {
    font-size: 18px;
    font-weight: 900;
    color: var(--clr-main-dark);
}

.review-specs-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px dashed var(--clr-main-dark);
}

.review-date-info,
.review-variant-info {
    font-size: 14px;
    color: #4B5563;
    font-weight: 700;
}

.verified-text {
    color: var(--color-accent-blue);
    font-weight: 900;
}

.review-body-content {
    font-size: 16px;
    color: var(--clr-main-dark);
    line-height: 1.8;
    font-weight: 700;
}

.flat-img-rounded {
    border: var(--border-flat);
    border-radius: var(--radius-card);
}

/* FOOTER */
.editorial-footer-dark {
    background-color: var(--clr-main-dark);
    color: var(--clr-white);
    padding: 80px 24px;
    margin-top: 100px;
    border-top: 8px solid var(--color-accent-coral);
}

.footer-grid-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
}

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

.footer-brand-huge h2 {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 900;
    line-height: 1.4;
    color: var(--clr-bg-light);
}

.footer-links-column {
    display: flex;
    flex-direction: column;
}

.footer-links-title {
    font-size: 14px;
    font-weight: 900;
    color: var(--color-accent-coral);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.footer-links-nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-links-nav a {
    color: var(--clr-white);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.3s ease;
    border-bottom: 2px solid transparent;
    padding-bottom: 4px;
    align-self: flex-start;
}

.footer-links-nav a:hover {
    color: var(--clr-accent-coral);
    border-bottom-color: var(--clr-accent-coral);
}