/* =========================================================
   VOLTICA STORE — PRODUCT-VIEW.CSS (v10)
   Premium Glass / Black / Futuristic
   Product Detail Page + Static Product Pages

   ⚠️ SOURCE UNIQUE : le header mobile (3 zones), le hamburger
   et le panier glassmorphique sont gouvernés par STORE.CSS v11.
   Ce fichier ne contient QUE le style des pages produit.
   ========================================================= */


/* =========================================================
   1. TOKENS & BASE
   ========================================================= */

:root {
    --font-display: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    --glass-border: rgba(255, 255, 255, 0.11);
    --glass-bg: linear-gradient(145deg, rgba(255,255,255,0.075), rgba(255,255,255,0.02));
    --white-90: rgba(255, 255, 255, 0.90);
    --white-70: rgba(255, 255, 255, 0.70);
    --white-55: rgba(255, 255, 255, 0.55);
    --white-40: rgba(255, 255, 255, 0.40);
    --white-25: rgba(255, 255, 255, 0.25);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;

    background:
        radial-gradient(circle at 50% 5%, rgba(255,255,255,.075), transparent 30%),
        radial-gradient(circle at 12% 50%, rgba(100,100,100,.07), transparent 32%),
        #030303;

    color: #fff;

    font-family: var(--font-body);

    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
}

h1, h2, h3 {
    font-family: var(--font-display);
}

::selection {
    background: #fff;
    color: #050505;
}

/* Scrollbar de page discrète */
body::-webkit-scrollbar {
    width: 9px;
}
body::-webkit-scrollbar-track {
    background: #050505;
}
body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.16);
    border-radius: 99px;
}
body::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.28);
}


/* =========================================================
   2. GLOBAL
   ========================================================= */

button,
input,
textarea,
select {
    font: inherit;
}

button {
    color: inherit;
}

img {
    max-width: 100%;
}

a {
    -webkit-tap-highlight-color: transparent;
}

/* Ancres : évite que le header sticky masque les sections */
section[id] {
    scroll-margin-top: 96px;
}


/* =========================================================
   3. HEADER — DESKTOP UNIQUEMENT
   (Mobile 3 zones = store.css v11, section 26)
   ========================================================= */

.product-header {
    width: min(1400px, calc(100% - 32px));
    margin: 0 auto;

    padding: 24px 0;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 24px;
}

.voltica-logo {
    display: inline-flex;
    align-items: center;
    gap: 11px;

    color: #fff;
    text-decoration: none;
}

.product-header .voltica-logo .logo-img,
.voltica-logo .logo-img {
    width: 34px;
    height: 34px;

    object-fit: contain;

    border-radius: 10px;

    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.18));
}

.logo-mark {
    width: 34px;
    height: 34px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(255,255,255,.22);
    border-radius: 10px;

    background:
        linear-gradient(145deg, rgba(255,255,255,.13), rgba(255,255,255,.035));

    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.08),
        0 8px 30px rgba(0,0,0,.35);

    font-size: 16px;
    font-weight: 800;
    letter-spacing: -.05em;
}

.logo-name {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .22em;
}

.product-navigation {
    display: flex;
    align-items: center;
    gap: 28px;
}

.product-navigation a {
    color: rgba(255,255,255,.62);
    text-decoration: none;

    font-size: 10px;
    font-weight: 800;
    letter-spacing: .18em;

    transition: color .25s ease, opacity .25s ease;
}

.product-navigation a:hover {
    color: #fff;
}


/* =========================================================
   4. PAGE
   ========================================================= */

.product-page {
    width: min(1400px, calc(100% - 32px));
    margin: 0 auto;

    padding-bottom: 90px;
}


/* =========================================================
   5. HERO
   ========================================================= */

.product-hero {
    position: relative;

    display: grid;

    grid-template-columns:
        minmax(0, 1.15fr)
        minmax(360px, .85fr);

    gap: 64px;

    align-items: center;

    padding: 40px 0 70px;
}


/* =========================================================
   6. GALLERY
   ========================================================= */

.product-gallery {
    min-width: 0;
}

.main-image-panel {
    position: relative;

    min-height: 580px;

    display: flex;
    align-items: center;
    justify-content: center;

    overflow: hidden;

    border: 1px solid var(--glass-border);
    border-radius: 30px;

    background: var(--glass-bg);

    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.08),
        0 30px 100px rgba(0,0,0,.55);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.main-image-panel::before {
    content: "";

    position: absolute;
    inset: 0;

    background:
        radial-gradient(circle at 50% 45%, rgba(255,255,255,.09), transparent 46%);

    pointer-events: none;
}

.main-image-panel::after {
    content: "";

    position: absolute;
    inset: 0;

    border-radius: inherit;

    background:
        linear-gradient(120deg, transparent 0%, rgba(255,255,255,.035) 45%, transparent 65%);

    pointer-events: none;
}

.main-image-panel img {
    position: relative;
    z-index: 2;

    width: 100%;
    height: 100%;

    max-height: 540px;

    object-fit: contain;

    padding: 45px;

    display: block;

    cursor: zoom-in;

    transition: transform .4s ease, opacity .25s ease;
}

.main-image-panel:hover img {
    transform: scale(1.025);
}

.image-reflection {
    position: absolute;

    left: 10%;
    right: 10%;
    bottom: -25%;

    height: 35%;

    background:
        radial-gradient(ellipse, rgba(255,255,255,.13), transparent 65%);

    filter: blur(22px);

    pointer-events: none;
}

.gallery-pulse {
    position: absolute;

    right: 24px;
    bottom: 24px;

    z-index: 5;

    width: 28px;
    height: 28px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(255,255,255,.12);
    border-radius: 50%;

    background: rgba(0,0,0,.4);

    backdrop-filter: blur(10px);
}

.gallery-pulse .pulse-dot {
    width: 5px;
    height: 5px;
}


/* =========================================================
   7. THUMBNAILS — scroll-snap + scrollbar fine
   ========================================================= */

.product-thumbnails {
    display: flex;
    gap: 12px;

    margin-top: 14px;

    padding: 3px 2px 9px;

    overflow-x: auto;

    scroll-snap-type: x proximity;

    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,.22) transparent;
}

.product-thumbnails::-webkit-scrollbar {
    height: 4px;
}

.product-thumbnails::-webkit-scrollbar-track {
    background: transparent;
}

.product-thumbnails::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.18);
    border-radius: 99px;
}

.product-thumbnail {
    flex: 0 0 82px;

    width: 82px;
    height: 82px;

    padding: 0;

    overflow: hidden;

    border: 1px solid rgba(255,255,255,.10);
    border-radius: 14px;

    background: rgba(255,255,255,.035);

    cursor: pointer;

    scroll-snap-align: start;

    transition:
        border-color .25s ease,
        transform .25s ease,
        background .25s ease,
        box-shadow .25s ease;
}

.product-thumbnail:hover,
.product-thumbnail.active {
    border-color: rgba(255,255,255,.55);

    background: rgba(255,255,255,.09);

    transform: translateY(-2px);
}

.product-thumbnail.active {
    box-shadow:
        0 0 0 1px rgba(255,255,255,.55),
        0 0 18px rgba(255,255,255,.16);
}

.product-thumbnail img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    display: block;
}


/* =========================================================
   8. INFORMATION
   ========================================================= */

.product-information {
    min-width: 0;
    padding: 10px 0;
}

.product-status {
    display: inline-flex;
    align-items: center;

    gap: 9px;

    margin-bottom: 18px;

    color: rgba(255,255,255,.62);

    font-size: 10px;
    font-weight: 800;
    letter-spacing: .15em;
}

/* Point pulse animé (global) */
.pulse-dot {
    width: 7px;
    height: 7px;

    flex: 0 0 7px;

    border-radius: 50%;

    background: #fff;

    box-shadow: 0 0 14px rgba(255,255,255,.8);

    animation: volticaDotPulse 2.2s ease-in-out infinite;
}

@keyframes volticaDotPulse {
    0%, 100% {
        opacity: .55;
        transform: scale(.85);
        box-shadow: 0 0 8px rgba(255,255,255,.5);
    }
    50% {
        opacity: 1;
        transform: scale(1.15);
        box-shadow: 0 0 16px rgba(255,255,255,.9);
    }
}

.product-category {
    display: block;

    margin-bottom: 12px;

    color: rgba(255,255,255,.42);

    font-size: 10px;
    font-weight: 800;

    letter-spacing: .24em;
}

.product-number {
    display: block;

    margin-bottom: 16px;

    color: rgba(255,255,255,.22);

    font-size: 9px;
    font-weight: 800;

    letter-spacing: .18em;
}

/* H1 — dégradé premium cohérent avec les titres du site */
.product-information h1 {
    margin: 0;

    max-width: 760px;

    font-size: clamp(42px, 5vw, 78px);

    line-height: .92;

    letter-spacing: -.055em;

    font-weight: 800;

    background: linear-gradient(180deg, #ffffff 0%, #d9d9d9 55%, #8a8a8a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.product-short-description {
    max-width: 600px;

    margin: 25px 0 0;

    color: rgba(255,255,255,.58);

    font-size: 16px;
    line-height: 1.7;
}


/* =========================================================
   9. PRICE
   ========================================================= */

.product-price-panel {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;

    gap: 12px;

    margin-top: 30px;
}

.product-price {
    color: #fff;

    font-family: var(--font-display);
    font-size: 34px;
    font-weight: 800;

    letter-spacing: -.04em;
}

.product-currency {
    color: rgba(255,255,255,.4);

    font-size: 10px;
    font-weight: 800;

    letter-spacing: .15em;
}

.product-reference-price {
    color: rgba(255,255,255,.28);

    font-size: 15px;

    text-decoration: line-through;
}


/* =========================================================
   10. LIFETIME OFFER
   ========================================================= */

.lifetime-offer {
    display: flex;
    align-items: flex-start;

    gap: 14px;

    margin-top: 28px;
    padding: 18px;

    border: 1px solid rgba(255,255,255,.13);
    border-radius: 18px;

    background:
        linear-gradient(135deg, rgba(255,255,255,.075), rgba(255,255,255,.025));

    box-shadow: inset 0 1px 0 rgba(255,255,255,.06);

    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.offer-pulse {
    flex: 0 0 8px;

    width: 8px;
    height: 8px;

    margin-top: 5px;

    border-radius: 50%;

    background: #fff;

    box-shadow: 0 0 16px rgba(255,255,255,.9);

    animation: offerPulse 1.8s infinite ease-in-out;
}

@keyframes offerPulse {
    0%, 100% { opacity: .35; transform: scale(.8); }
    50% { opacity: 1; transform: scale(1.25); }
}

.lifetime-offer strong {
    display: block;

    font-size: 13px;

    letter-spacing: .13em;
}

.lifetime-offer p {
    margin: 7px 0 0;

    color: rgba(255,255,255,.48);

    font-size: 12px;
    line-height: 1.5;
}


/* =========================================================
   11. COLOR / VARIANT BUTTONS
   ========================================================= */

.product-options-inline {
    display: flex;
    flex-wrap: wrap;

    gap: 9px;

    margin-top: 25px;
}

.variant-option,
.color-option {
    min-height: 44px;

    padding: 0 17px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(255,255,255,.14);
    border-radius: 12px;

    background:
        linear-gradient(145deg, rgba(255,255,255,.065), rgba(255,255,255,.025));

    color: rgba(255,255,255,.72);

    cursor: pointer;

    font-size: 10px;
    font-weight: 800;

    letter-spacing: .11em;
    text-transform: uppercase;

    box-shadow: inset 0 1px 0 rgba(255,255,255,.04);

    transition:
        color .2s ease,
        border-color .2s ease,
        background .2s ease,
        transform .2s ease,
        box-shadow .2s ease;
}

.variant-option:hover,
.color-option:hover {
    color: #fff;

    border-color: rgba(255,255,255,.38);

    background: rgba(255,255,255,.075);

    transform: translateY(-1px);
}

.variant-option.active,
.color-option.active {
    color: #050505;

    border-color: #fff;

    background: #fff;

    box-shadow: 0 8px 25px rgba(255,255,255,.08);
}

.selected-option-row {
    display: flex;
    align-items: center;
    gap: 9px;

    margin-top: 13px;

    color: rgba(255,255,255,.3);

    font-size: 9px;
    font-weight: 800;

    letter-spacing: .14em;
}

.selected-option-row strong {
    color: rgba(255,255,255,.72);

    font-size: 10px;

    letter-spacing: .08em;
}


/* =========================================================
   12. PURCHASE — boutons avec effet "shine"
   ========================================================= */

.purchase-panel {
    display: flex;
    flex-direction: column;

    gap: 12px;

    margin-top: 30px;
}

.stripe-button,
.final-buy-button {
    position: relative;
    overflow: hidden;

    min-height: 62px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    padding: 0 22px;

    border: 1px solid rgba(255,255,255,.25);
    border-radius: 16px;

    background: #fff;

    color: #050505;

    text-decoration: none;

    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 800;

    letter-spacing: .14em;

    box-shadow: 0 14px 40px rgba(0,0,0,.35);

    transition:
        transform .25s ease,
        box-shadow .25s ease,
        background .25s ease;
}

/* Reflet lumineux qui balaie le bouton au survol */
.stripe-button::before,
.final-buy-button::before {
    content: "";

    position: absolute;
    top: 0;
    left: -60%;

    width: 40%;
    height: 100%;

    background:
        linear-gradient(100deg, transparent, rgba(255,255,255,.75), transparent);

    transform: skewX(-18deg);

    transition: left .55s ease;

    pointer-events: none;
}

.stripe-button:hover::before,
.final-buy-button:hover::before {
    left: 120%;
}

.stripe-button:hover,
.final-buy-button:hover {
    transform: translateY(-2px);

    box-shadow: 0 20px 55px rgba(0,0,0,.5);

    background: #f2f2f2;
}

.stripe-button strong,
.final-buy-button strong {
    font-size: 22px;

    transition: transform .25s ease;
}

.stripe-button:hover strong,
.final-buy-button:hover strong {
    transform: translateX(4px);
}

.product-availability {
    display: flex;
    align-items: center;
    gap: 8px;

    margin-top: 16px;

    color: rgba(255,255,255,.38);

    font-size: 9px;
    font-weight: 800;

    letter-spacing: .16em;
}


/* =========================================================
   13. CONTENT SECTIONS
   ========================================================= */

.product-description-section,
.product-features-section,
.product-specifications-section {
    margin-top: 30px;
}

/* Perf : rendu différé des sections sous la ligne de flottaison */
.product-description-section,
.product-features-section,
.product-specifications-section,
.product-final-cta,
.product-contact-section {
    content-visibility: auto;
    contain-intrinsic-size: auto 520px;
}

.acrylic-panel {
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 26px;

    padding: clamp(25px, 5vw, 55px);

    background:
        linear-gradient(145deg, rgba(255,255,255,.065), rgba(255,255,255,.018));

    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.055),
        0 25px 80px rgba(0,0,0,.3);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.section-heading {
    margin-bottom: 24px;
}

.section-kicker {
    display: block;

    margin-bottom: 10px;

    color: rgba(255,255,255,.38);

    font-size: 9px;
    font-weight: 800;

    letter-spacing: .22em;
}

.section-heading h2,
.acrylic-panel h2 {
    margin: 0;

    font-size: clamp(30px, 4vw, 52px);

    line-height: 1;

    letter-spacing: -.045em;

    font-weight: 800;
}


/* =========================================================
   14. FULL DESCRIPTION (jamais clamped ici)
   ========================================================= */

.product-description {
    max-width: 1000px;

    margin-top: 30px;

    color: rgba(255,255,255,.62);

    font-size: 15px;
    line-height: 1.85;

    display: block;
    overflow: visible;
}

.product-description p {
    margin: 0 0 20px;
}

.product-description p:last-child {
    margin-bottom: 0;
}

.product-description strong {
    color: #fff;
}


/* =========================================================
   15. FEATURES
   ========================================================= */

.features-grid {
    display: grid;

    grid-template-columns: repeat(3, minmax(0, 1fr));

    gap: 14px;
}

.feature-card {
    position: relative;

    min-height: 180px;

    padding: 25px;

    overflow: hidden;

    border: 1px solid rgba(255,255,255,.10);
    border-radius: 20px;

    background:
        linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.018));

    box-shadow: inset 0 1px 0 rgba(255,255,255,.04);

    transition:
        transform .25s ease,
        border-color .25s ease,
        background .25s ease;
}

.feature-card:hover {
    transform: translateY(-3px);

    border-color: rgba(255,255,255,.20);

    background:
        linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
}

.feature-card::before {
    content: "";

    display: block;

    width: 6px;
    height: 6px;

    margin-bottom: 27px;

    border-radius: 50%;

    background: #fff;

    box-shadow: 0 0 15px rgba(255,255,255,.8);
}

/* Numéro de feature (pages statiques) */
.feature-number {
    display: block;

    margin-bottom: 14px;

    color: rgba(255,255,255,.25);

    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 700;

    letter-spacing: .2em;
}

.feature-card h3 {
    margin: 0 0 10px;

    color: #fff;

    font-size: 14px;
    font-weight: 800;

    letter-spacing: .04em;
}

.feature-card p {
    margin: 0;

    color: rgba(255,255,255,.48);

    font-size: 13px;
    line-height: 1.65;
}


/* =========================================================
   16. SPECIFICATIONS — lignes réactives au survol
   ========================================================= */

.specifications-panel {
    padding-top: 12px;
    padding-bottom: 12px;
}

.specifications-table {
    width: 100%;
}

.specification-row {
    display: grid;

    grid-template-columns: minmax(130px, 1fr) minmax(0, 1.5fr);

    gap: 20px;

    padding: 18px 12px;

    margin: 0 -12px;

    border-radius: 12px;

    border-bottom: 1px solid rgba(255,255,255,.08);

    transition: background .2s ease;
}

.specification-row:hover {
    background: rgba(255,255,255,.035);

    border-bottom-color: transparent;
}

.specification-row:last-child {
    border-bottom: 0;
}

.specification-label {
    color: rgba(255,255,255,.40);

    font-size: 10px;
    font-weight: 800;

    letter-spacing: .12em;
    text-transform: uppercase;

    transition: color .2s ease;
}

.specification-row:hover .specification-label {
    color: rgba(255,255,255,.70);
}

.specification-value {
    color: rgba(255,255,255,.82);

    font-size: 13px;
    font-weight: 600;

    line-height: 1.5;

    text-align: right;
}


/* =========================================================
   17. FINAL CTA — ligne lumineuse animée
   ========================================================= */

.product-final-cta {
    position: relative;

    padding: 90px 0 20px;
}

.cta-glass {
    position: relative;

    overflow: hidden;

    padding: clamp(40px, 8vw, 90px) 25px;

    text-align: center;

    border: 1px solid rgba(255,255,255,.11);
    border-radius: 30px;

    background:
        radial-gradient(circle at 50% 20%, rgba(255,255,255,.09), transparent 40%),
        rgba(255,255,255,.025);

    box-shadow: inset 0 1px 0 rgba(255,255,255,.05);

    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.cta-glass::before {
    content: "";

    position: absolute;

    width: 420px;
    height: 420px;

    left: 50%;
    top: 50%;

    transform: translate(-50%, -50%);

    border-radius: 50%;

    background:
        radial-gradient(circle, rgba(255,255,255,.055), transparent 68%);

    pointer-events: none;
}

/* Fine ligne de lumière pulsante au sommet */
.cta-glass::after {
    content: "";

    position: absolute;
    top: 0;
    left: 18%;

    width: 64%;
    height: 1px;

    background:
        linear-gradient(90deg, transparent, rgba(255,255,255,.65), transparent);

    opacity: .5;

    animation: volticaCtaLine 5s ease-in-out infinite;

    pointer-events: none;
}

@keyframes volticaCtaLine {
    0%, 100% { opacity: .25; transform: scaleX(.7); }
    50% { opacity: .75; transform: scaleX(1); }
}

.cta-glass > * {
    position: relative;
    z-index: 2;
}

.cta-glass h2 {
    margin: 15px auto;

    max-width: 800px;

    font-size: clamp(32px, 5vw, 64px);

    line-height: .98;

    letter-spacing: -.05em;

    font-weight: 800;
}

.cta-glass p {
    max-width: 500px;

    margin: 0 auto 28px;

    color: rgba(255,255,255,.48);

    line-height: 1.6;
}

.final-buy-button {
    width: min(420px, 100%);

    margin: 0 auto;

    text-align: left;
}


/* =========================================================
   18. CONTACT
   ========================================================= */

.product-contact-section {
    position: relative;

    margin-top: 30px;
}

.product-contact-section .acrylic-panel {
    text-align: center;
}

.product-contact-section h2 {
    margin-bottom: 14px;
}

.product-contact-section p {
    margin: 0 auto 24px;

    max-width: 500px;

    color: rgba(255,255,255,.48);

    font-size: 14px;
    line-height: 1.6;
}

.contact-button {
    min-height: 50px;

    width: min(280px, 100%);

    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(255,255,255,.14);
    border-radius: 13px;

    background: rgba(255,255,255,.035);

    color: rgba(255,255,255,.75);

    text-decoration: none;

    font-size: 10px;
    font-weight: 800;

    letter-spacing: .14em;

    transition:
        color .2s ease,
        background .2s ease,
        border-color .2s ease,
        transform .2s ease;
}

.contact-button:hover {
    color: #fff;

    border-color: rgba(255,255,255,.35);

    background: rgba(255,255,255,.08);

    transform: translateY(-2px);
}


/* =========================================================
   19. FOOTER
   ========================================================= */

.product-footer {
    width: min(1400px, calc(100% - 32px));

    margin: 0 auto;

    padding: 35px 0;

    display: flex;
    justify-content: space-between;
    align-items: center;

    gap: 20px;

    color: rgba(255,255,255,.25);

    font-size: 9px;
    font-weight: 800;

    letter-spacing: .15em;

    border-top: 1px solid rgba(255,255,255,.07);
}

.product-footer a {
    color: rgba(255,255,255,.45);

    text-decoration: none;

    transition: color .25s ease;
}

.product-footer a:hover {
    color: #fff;
}


/* =========================================================
   20. LIGHTBOX — zoom-in animé
   ========================================================= */

.product-lightbox {
    position: fixed;

    inset: 0;

    z-index: 9999;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 30px;

    background: rgba(0,0,0,.88);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    opacity: 0;
    visibility: hidden;

    transition: opacity .25s ease, visibility .25s ease;
}

.product-lightbox.active {
    opacity: 1;
    visibility: visible;

    cursor: zoom-out;
}

.product-lightbox img {
    max-width: min(1100px, 94vw);
    max-height: 88vh;

    object-fit: contain;

    border-radius: 20px;

    box-shadow: 0 30px 100px rgba(0,0,0,.7);

    transform: scale(.94);
    opacity: .6;

    transition:
        transform .3s cubic-bezier(.2, .8, .2, 1),
        opacity .3s ease;
}

.product-lightbox.active img {
    transform: scale(1);
    opacity: 1;
}

.lightbox-close {
    position: absolute;

    top: 22px;
    right: 22px;

    width: 46px;
    height: 46px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(255,255,255,.16);
    border-radius: 50%;

    background: rgba(255,255,255,.06);

    color: #fff;

    font-size: 28px;
    line-height: 1;

    cursor: pointer;

    transition: background .2s ease, transform .2s ease;
}

.lightbox-close:hover {
    background: rgba(255,255,255,.14);

    transform: rotate(90deg);
}


/* =========================================================
   21. ERROR + BACK TO STORE
   ========================================================= */

.product-error {
    margin-top: 80px;

    text-align: center;
}

.product-error h1 {
    margin: 12px 0;

    font-size: clamp(34px, 7vw, 64px);

    letter-spacing: -.05em;
}

.product-error p {
    margin: 0 auto 28px;

    max-width: 520px;

    color: rgba(255,255,255,.48);

    line-height: 1.6;
}

.product-error .back-store-button {
    width: min(300px, 100%);

    margin: 0 auto;
}

.back-store-button {
    min-height: 52px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(255,255,255,.10);
    border-radius: 14px;

    color: rgba(255,255,255,.62);

    background: rgba(255,255,255,.025);

    text-decoration: none;

    font-size: 10px;
    font-weight: 800;

    letter-spacing: .14em;

    transition:
        color .25s ease,
        background .25s ease,
        border-color .25s ease,
        transform .25s ease;
}

.back-store-button:hover {
    color: #fff;

    background: rgba(255,255,255,.07);

    border-color: rgba(255,255,255,.20);

    transform: translateY(-2px);
}


/* =========================================================
   22. ACCESSIBILITY
   ========================================================= */

a:focus-visible,
button:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}


/* =========================================================
   23. VOLTICA — AMBIENT PULSE FIELD
   ========================================================= */

.product-page {
    position: relative;
    isolation: isolate;
}

.product-page::before,
.product-page::after {
    content: "";

    position: absolute;

    width: 5px;
    height: 5px;

    border-radius: 50%;

    background: rgba(255,255,255,.9);

    box-shadow:
        0 0 8px rgba(255,255,255,.9),
        0 0 22px rgba(255,255,255,.45),
        0 0 45px rgba(255,255,255,.18);

    pointer-events: none;

    z-index: -1;

    animation: volticaAmbientPulse 7s infinite ease-in-out;
}

.product-page::before {
    top: 12%;
    left: -4px;
    animation-delay: -1.5s;
}

.product-page::after {
    top: 48%;
    right: -4px;
    width: 4px;
    height: 4px;
    animation-delay: -4s;
}

.product-hero::before {
    content: "";

    position: absolute;

    width: 280px;
    height: 280px;

    top: 12%;
    left: 50%;

    transform: translate(-50%, -50%);

    border-radius: 50%;

    background:
        radial-gradient(circle, rgba(255,255,255,.035), transparent 68%);

    filter: blur(25px);

    pointer-events: none;

    animation: volticaAmbientGlow 9s infinite ease-in-out;
}

.product-description-section,
.product-features-section,
.product-specifications-section {
    position: relative;
}

.product-description-section::after,
.product-features-section::after,
.product-specifications-section::after {
    content: "";

    position: absolute;

    width: 4px;
    height: 4px;

    border-radius: 50%;

    background: #fff;

    box-shadow:
        0 0 9px rgba(255,255,255,.95),
        0 0 25px rgba(255,255,255,.55),
        0 0 55px rgba(255,255,255,.22);

    pointer-events: none;

    animation: volticaSectionPulse 8s infinite ease-in-out;
}

.product-description-section::after {
    top: 22px;
    right: 7%;
    animation-delay: -2s;
}

.product-features-section::after {
    bottom: 18px;
    left: 4%;
    width: 3px;
    height: 3px;
    animation-delay: -5s;
}

.product-specifications-section::after {
    top: 45%;
    right: 3%;
    width: 3px;
    height: 3px;
    animation-delay: -6.5s;
}

.product-final-cta::before,
.product-final-cta::after {
    content: "";

    position: absolute;

    border-radius: 50%;

    background: #fff;

    pointer-events: none;

    box-shadow:
        0 0 10px rgba(255,255,255,.95),
        0 0 28px rgba(255,255,255,.5),
        0 0 65px rgba(255,255,255,.2);

    animation: volticaCtaPulse 6s infinite ease-in-out;
}

.product-final-cta::before {
    width: 5px;
    height: 5px;
    left: 3%;
    top: 30%;
    animation-delay: -1s;
}

.product-final-cta::after {
    width: 3px;
    height: 3px;
    right: 5%;
    bottom: 25%;
    animation-delay: -3.5s;
}

.product-contact-section::before {
    content: "";

    position: absolute;

    width: 4px;
    height: 4px;

    left: 8%;
    top: 50%;

    border-radius: 50%;

    background: #fff;

    box-shadow:
        0 0 9px rgba(255,255,255,.9),
        0 0 24px rgba(255,255,255,.4);

    pointer-events: none;

    animation: volticaAmbientPulse 7s infinite ease-in-out;

    animation-delay: -3s;
}


/* =========================================================
   24. ANIMATIONS
   ========================================================= */

@keyframes volticaAmbientPulse {
    0%, 100% { opacity: .15; transform: translateY(0) scale(.65); }
    25% { opacity: .55; }
    50% { opacity: 1; transform: translateY(-18px) scale(1.25); }
    75% { opacity: .45; transform: translateY(10px) scale(.8); }
}

@keyframes volticaAmbientGlow {
    0%, 100% { opacity: .25; transform: translate(-50%, -50%) scale(.8); }
    50% { opacity: .8; transform: translate(-50%, -50%) scale(1.25); }
}

@keyframes volticaSectionPulse {
    0%, 100% { opacity: .12; transform: translate(0, 0) scale(.6); }
    35% { opacity: .8; }
    65% { opacity: 1; transform: translate(-12px, 16px) scale(1.35); }
}

@keyframes volticaCtaPulse {
    0%, 100% { opacity: .12; transform: translate(0, 0) scale(.5); }
    50% { opacity: 1; transform: translate(14px, -20px) scale(1.35); }
}


/* =========================================================
   25. RESPONSIVE — TABLET (≤ 980px)
   ========================================================= */

@media (max-width: 980px) {

    .product-hero {
        grid-template-columns: 1fr;

        gap: 35px;

        padding-top: 35px;
    }

    .main-image-panel {
        min-height: 520px;
    }

    .product-information {
        width: 100%;
        max-width: 760px;

        margin: 0 auto;
    }

    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

}


/* =========================================================
   26. RESPONSIVE — MOBILE (≤ 650px, hors header)
   Le header mobile 3 zones est géré par store.css v11
   ========================================================= */

@media (max-width: 650px) {

    .product-page {
        width: calc(100% - 24px);
    }

    .product-hero {
        padding: 25px 0 55px;

        gap: 28px;
    }

    .main-image-panel {
        min-height: 390px;

        border-radius: 22px;
    }

    .main-image-panel img {
        padding: 20px;

        max-height: 370px;
    }

    .gallery-pulse {
        right: 14px;
        bottom: 14px;
    }

    .product-thumbnail {
        flex-basis: 68px;

        width: 68px;
        height: 68px;
    }

    .product-information h1 {
        font-size: clamp(38px, 12vw, 58px);
    }

    .product-short-description {
        font-size: 14px;

        line-height: 1.65;
    }

    .product-price {
        font-size: 30px;
    }

    .lifetime-offer {
        padding: 15px;
    }

    .product-options-inline {
        gap: 8px;
    }

    .variant-option,
    .color-option {
        min-height: 42px;

        padding: 0 14px;

        font-size: 9px;
    }

    .acrylic-panel {
        padding: 25px 20px;

        border-radius: 21px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        min-height: auto;
    }

    .specification-row {
        grid-template-columns: 1fr;

        gap: 7px;

        margin: 0;

        padding: 16px 10px;
    }

    .specification-value {
        text-align: left;
    }

    .product-final-cta {
        padding-top: 65px;
    }

    .cta-glass {
        border-radius: 22px;

        padding: 50px 20px;
    }

    .product-footer {
        width: calc(100% - 24px);

        flex-direction: column;

        align-items: center;

        text-align: center;

        gap: 10px;
    }

    .product-lightbox {
        padding: 15px;
    }

    .product-lightbox img {
        max-width: 96vw;
        max-height: 82vh;

        border-radius: 14px;
    }

    .lightbox-close {
        top: 14px;
        right: 14px;

        width: 42px;
        height: 42px;

        font-size: 24px;
    }

    /* Pulses ambiants plus discrets */
    .product-page::before,
    .product-page::after {
        width: 3px;
        height: 3px;

        box-shadow:
            0 0 7px rgba(255,255,255,.8),
            0 0 18px rgba(255,255,255,.35);
    }

    .product-hero::before {
        width: 180px;
        height: 180px;

        filter: blur(18px);
    }

    .product-description-section::after,
    .product-features-section::after,
    .product-specifications-section::after {
        width: 3px;
        height: 3px;
    }

}


/* =========================================================
   27. REDUCED MOTION — BLOC UNIQUE
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }

    .product-page::before,
    .product-page::after,
    .product-hero::before,
    .product-description-section::after,
    .product-features-section::after,
    .product-specifications-section::after,
    .product-final-cta::before,
    .product-final-cta::after,
    .product-contact-section::before,
    .cta-glass::after,
    .pulse-dot {
        animation: none !important;
    }

}
/* =========================================================
   PRODUCT NOT FOUND — 404 STATE
   ========================================================= */
.product-not-found {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
}

.not-found-content {
    max-width: 500px;
}

.not-found-content h1 {
    margin: 20px 0 16px;
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 48px);
    letter-spacing: -0.05em;
    font-weight: 800;
    background: linear-gradient(180deg, #ffffff 0%, #cfcfcf 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.not-found-content p {
    color: rgba(255, 255, 255, 0.6);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 32px;
}

.not-found-content .back-store-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04));
    color: #fff;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.not-found-content .back-store-button:hover {
    background: #fff;
    color: #050505;
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(255,255,255,0.15);
}