/* =========================================================
   SINGLE PRODUCT PAGE
========================================================= */

.single-product-page {
    background: var(--bg);
    color: var(--text);
}


/* =========================================================
   PRODUCT HERO
========================================================= */

.single-product-hero {
    position: relative;

    padding: 160px 0 120px;

    background:
        radial-gradient(
            circle at 75% 30%,
            rgba(96, 165, 250, 0.12),
            transparent 32%
        ),
        radial-gradient(
            circle at 20% 70%,
            rgba(103, 232, 249, 0.05),
            transparent 30%
        ),
        var(--bg-light);

    border-bottom: 1px solid var(--border);

    overflow: hidden;
}


/* subtle grid */

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

    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(
            rgba(255, 255, 255, 0.025) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.025) 1px,
            transparent 1px
        );

    background-size: 70px 70px;

    mask-image:
        linear-gradient(
            to bottom,
            black,
            transparent
        );

    pointer-events: none;
}


.single-product-hero .container {
    position: relative;
    z-index: 1;
}


/* =========================================================
   PRODUCT GRID
========================================================= */

.single-product-grid {
    display: grid;

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

    gap: 80px;

    align-items: center;
}


/* =========================================================
   PRODUCT IMAGE
========================================================= */

.single-product-image {
    display: flex;

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

    min-height: 450px;

    padding: 30px;

    background:
        linear-gradient(
            135deg,
            rgba(255,255,255,0.04),
            rgba(255,255,255,0.01)
        );

    border: 1px solid var(--border);

    border-radius: 24px;

    box-shadow:
        0 30px 70px rgba(0, 0, 0, 0.35),
        0 0 60px rgba(96, 165, 250, 0.06);
}


.single-product-img {
    display: block;

    width: 100%;
    max-width: 650px;

    max-height: 520px;

    object-fit: contain;

    border-radius: 18px;

    transition:
        transform 0.4s ease;
}


.single-product-image:hover .single-product-img {
    transform: scale(1.025);
}


.single-product-no-image {
    display: flex;

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

    width: 100%;
    height: 400px;

    color: var(--text-muted);

    border: 1px dashed var(--border);

    border-radius: 18px;
}


/* =========================================================
   PRODUCT INFORMATION
========================================================= */

.single-product-info {
    max-width: 650px;
}


.single-product-label,
.single-product-section-label {
    display: inline-block;

    margin-bottom: 18px;

    color: var(--accent-cyan);

    font-size: 12px;

    font-weight: 700;

    letter-spacing: 2px;

    text-transform: uppercase;
}


.single-product-title {
    margin: 0;

    color: var(--text);

    font-size: clamp(44px, 5vw, 76px);

    font-weight: 800;

    line-height: 1;

    letter-spacing: -0.055em;
}


.single-product-line {
    width: 65px;
    height: 3px;

    margin: 30px 0;

    background:
        linear-gradient(
            90deg,
            var(--accent-blue),
            var(--accent-cyan)
        );

    border-radius: 10px;
}


.single-product-excerpt {
    max-width: 600px;

    margin: 0;

    color: var(--text-muted);

    font-size: 18px;

    line-height: 1.8;
}


/* =========================================================
   BUTTONS
========================================================= */

.single-product-actions {
    display: flex;

    flex-wrap: wrap;

    gap: 14px;

    margin-top: 40px;
}


.single-product-btn {
    display: inline-flex;

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

    min-height: 48px;

    padding: 12px 27px;

    border-radius: 50px;

    font-size: 14px;

    font-weight: 600;

    text-decoration: none;

    transition:
        transform 0.25s ease,
        background 0.25s ease,
        color 0.25s ease,
        border-color 0.25s ease,
        box-shadow 0.25s ease;
}


.single-product-btn.primary {
    color: #0f172a;

    background: #f8fafc;

    border: 1px solid #f8fafc;

    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.25);
}


.single-product-btn.primary:hover {
    color: #0f172a;

    background: #ffffff;

    transform: translateY(-3px);

    box-shadow:
        0 15px 35px rgba(96, 165, 250, 0.18);
}


.single-product-btn.secondary {
    color: var(--text-soft);

    background: rgba(255, 255, 255, 0.04);

    border: 1px solid var(--border);
}


.single-product-btn.secondary:hover {
    color: var(--text);

    background: rgba(255, 255, 255, 0.09);

    border-color: var(--border-bright);

    transform: translateY(-3px);
}


/* =========================================================
   PRODUCT DETAILS
========================================================= */

.single-product-details {
    padding: 120px 0;

    background:
        radial-gradient(
            circle at 15% 50%,
            rgba(96, 165, 250, 0.06),
            transparent 30%
        ),
        var(--bg);
}


.single-product-content {
    display: grid;

    grid-template-columns:
        minmax(0, 1.8fr)
        minmax(280px, 0.7fr);

    gap: 80px;

    align-items: start;
}


.single-product-content-main h2 {
    margin: 0 0 35px;

    color: var(--text);

    font-size: clamp(34px, 4vw, 52px);

    line-height: 1.05;

    letter-spacing: -0.045em;
}


.single-product-description {
    color: var(--text-muted);

    font-size: 16px;

    line-height: 1.9;
}


.single-product-description p {
    margin-bottom: 25px;

    color: var(--text-muted);
}


.single-product-description h2,
.single-product-description h3,
.single-product-description h4 {
    margin-top: 45px;
    margin-bottom: 18px;

    color: var(--text);
}


.single-product-description ul,
.single-product-description ol {
    margin: 25px 0;

    padding-left: 25px;

    color: var(--text-muted);
}


.single-product-description li {
    margin-bottom: 10px;
}


/* =========================================================
   SIDEBAR CARD
========================================================= */

.product-sidebar-card {
    padding: 30px;

    background:
        linear-gradient(
            135deg,
            #1a2639,
            #172033
        );

    border: 1px solid var(--border);

    border-radius: 18px;

    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.20);
}


.sidebar-label {
    display: block;

    margin-bottom: 12px;

    color: var(--accent-blue);

    font-size: 11px;

    font-weight: 700;

    letter-spacing: 1.5px;

    text-transform: uppercase;
}


.product-sidebar-card h3 {
    margin: 0;

    color: var(--text);

    font-size: 24px;

    line-height: 1.2;
}


.sidebar-line {
    width: 40px;
    height: 2px;

    margin: 20px 0;

    background:
        linear-gradient(
            90deg,
            var(--accent-blue),
            var(--accent-cyan)
        );
}


.product-sidebar-card p {
    color: var(--text-muted);

    font-size: 13px;

    line-height: 1.7;
}


.sidebar-btn {
    display: inline-block;

    margin-top: 15px;

    color: var(--text);

    font-size: 13px;

    font-weight: 600;

    text-decoration: none;

    transition: color 0.25s ease;
}


.sidebar-btn:hover {
    color: var(--accent-cyan);
}


/* =========================================================
   BACK TO PRODUCTS
========================================================= */

.single-product-navigation {
    padding: 30px 0;

    background: var(--bg-light);

    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}


.back-products {
    color: var(--text-muted);

    font-size: 13px;

    font-weight: 600;

    text-decoration: none;

    transition:
        color 0.25s ease;
}


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


/* =========================================================
   CTA
========================================================= */

.single-product-cta {
    padding: 100px 0;

    background:
        radial-gradient(
            circle at 50% 0%,
            rgba(96, 165, 250, 0.14),
            transparent 40%
        ),
        linear-gradient(
            135deg,
            #172033,
            #1c2940
        );

    border-bottom: 1px solid var(--border);
}


.single-product-cta-inner {
    display: flex;

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

    gap: 50px;

    padding: 55px;

    background:
        rgba(255, 255, 255, 0.025);

    border: 1px solid var(--border);

    border-radius: 22px;
}


.single-product-cta h2 {
    margin: 0 0 15px;

    color: var(--text);

    font-size: clamp(34px, 4vw, 52px);

    letter-spacing: -0.045em;
}


.single-product-cta p {
    max-width: 600px;

    margin: 0;

    color: var(--text-muted);

    font-size: 15px;

    line-height: 1.8;
}


/* =========================================================
   NOT FOUND
========================================================= */

.single-product-not-found {
    min-height: 600px;

    display: flex;

    align-items: center;

    text-align: center;

    padding: 100px 0;
}


.single-product-not-found h1 {
    color: var(--text);
}


.single-product-not-found p {
    margin-bottom: 30px;
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 991px) {

    .single-product-hero {
        padding: 130px 0 80px;
    }

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

        gap: 50px;
    }

    .single-product-image {
        min-height: 400px;
    }

    .single-product-info {
        max-width: 100%;

        text-align: center;
    }

    .single-product-line {
        margin-left: auto;
        margin-right: auto;
    }

    .single-product-excerpt {
        margin-left: auto;
        margin-right: auto;
    }

    .single-product-actions {
        justify-content: center;
    }

    .single-product-content {
        grid-template-columns: 1fr;

        gap: 50px;
    }

    .single-product-sidebar {
        max-width: 600px;

        width: 100%;
    }

    .single-product-cta-inner {
        flex-direction: column;

        align-items: flex-start;
    }

}


@media (max-width: 767px) {

    .single-product-hero {
        padding: 110px 0 70px;
    }

    .single-product-image {
        min-height: 300px;

        padding: 20px;

        border-radius: 18px;
    }

    .single-product-img {
        max-height: 350px;
    }

    .single-product-title {
        font-size: clamp(38px, 11vw, 55px);
    }

    .single-product-excerpt {
        font-size: 15px;
    }

    .single-product-details {
        padding: 80px 0;
    }

    .single-product-content-main h2 {
        font-size: 38px;
    }

    .single-product-cta {
        padding: 70px 0;
    }

    .single-product-cta-inner {
        padding: 30px;
    }

}


@media (max-width: 480px) {

    .single-product-actions {
        flex-direction: column;
    }

    .single-product-btn {
        width: 100%;
    }

    .single-product-image {
        min-height: 250px;
    }

    .single-product-img {
        max-height: 280px;
    }

    .product-sidebar-card {
        padding: 25px;
    }

}