/* ============================================
   PRODUCT PAGE — Unified Styles
   Shared layout for all product detail pages
   ============================================ */

/* ---- Theme defaults ---- */
:root {
    --pd-accent: #00e5ff;
    --pd-accent-soft: rgba(0, 229, 255, 0.12);
    --pd-accent-glow: rgba(0, 229, 255, 0.25);
    --pd-bg: #1a2a30;
    --pd-bg-dark: #1e242a;
    --pd-bg-darker: #181e24;
    --pd-text: #b0c4cc;
    --pd-text-light: #d0dfe6;
    --pd-border: rgba(0, 229, 255, 0.15);
}

/* ---- Per-product accent overrides ---- */
.pd-artikan {
    --pd-accent: #46c2cf;
    --pd-accent-soft: rgba(70, 194, 207, 0.12);
    --pd-accent-glow: rgba(70, 194, 207, 0.25);
    --pd-bg: #242c34;
    --pd-border: rgba(70, 194, 207, 0.15);
}

.pd-bflex {
    --pd-accent: #00e5ff;
    --pd-accent-soft: rgba(0, 229, 255, 0.12);
    --pd-accent-glow: rgba(0, 229, 255, 0.25);
    --pd-bg: #1a2a30;
    --pd-border: rgba(0, 229, 255, 0.15);
}

.pd-glowdesk {
    --pd-accent: #00e5ff;
    --pd-accent-soft: rgba(0, 229, 255, 0.12);
    --pd-accent-glow: rgba(0, 229, 255, 0.25);
    --pd-bg: #1a2a30;
    --pd-bg-dark: #0f1e24;
    --pd-bg-darker: #0a1519;
    --pd-border: rgba(0, 229, 255, 0.15);
}

/* ============================================
   HERO
   ============================================ */
.pd-hero {
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: transparent;
    padding: 120px 0 60px;
}

.pd-hero-content {
    position: relative;
    z-index: 1;
    padding: 0 24px;
}

.pd-hero-logo {
    max-width: clamp(200px, 40vw, 400px);
    height: auto;
}

/* ============================================
   SECTION
   ============================================ */
.pd-section {
    padding: 100px 0;
    position: relative;
    background-color: var(--pd-bg-dark);
}

.pd-specs {
    background: rgba(17, 17, 17, 0.85);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.pd-heading {
    font-family: var(--font);
    line-height: 1.1;
    margin-bottom: 86px;
}

.pd-heading-center {
    text-align: center;
}

.pd-heading-accent {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--pd-accent);
    display: inline-block;
}

.pd-heading-italic {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 300;
    font-style: italic;
    color: var(--pd-accent);
    display: inline-block;
}

/* ============================================
   SECTION HEADER
   ============================================ */
.pd-section-header {
    text-align: center;
    margin-bottom: 40px;
}

/* ============================================
   SPEC GRID
   ============================================ */
.pd-spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    position: relative;
}

.pd-spec-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: start;
    gap: 24px;
    position: -webkit-sticky;
    position: sticky;
    top: 100px;
    align-self: start;
}

.pd-spec-visual img {
    width: 100%;
    max-width: 500px;
    border-radius: 0;
    display: block;
    margin: 0;
    padding: 0;
}

.pd-spec-group {
    margin-bottom: 24px;
}

.pd-spec-group-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--pd-accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--pd-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pd-spec-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--pd-accent);
}

.pd-spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.pd-spec-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.pd-spec-table td {
    padding: 8px 0;
    color: var(--pd-text);
    font-weight: 300;
}

.pd-spec-table td:first-child {
    color: var(--pd-accent);
    font-weight: 500;
    width: 50%;
    font-size: 0.85rem;
}

.pd-spec-table td:last-child {
    text-align: right;
    color: var(--pd-text-light);
}

/* ============================================
   CERTIFICATIONS
   ============================================ */
.pd-certifications {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.pd-cert-img {
    max-width: 160px;
    width: 100%;
    height: auto;
    opacity: 0.85;
}

/* ============================================
   CTA BUTTONS
   ============================================ */
.pd-cta-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
}

.btn-pd {
    background: linear-gradient(135deg, #04a7b9, #00e5ff);
    color: var(--pd-bg-darker);
    font-weight: 600;
    padding: 8px 16px;
    font-size: 0.75rem;
    border-radius: 6px;
    box-shadow: 0 4px 30px var(--pd-accent-glow);
    white-space: nowrap;
    text-align: center;
}

.btn-pd:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px var(--pd-accent-glow);
    color: var(--pd-bg-darker);
}

.btn-pd-outline {
    background: transparent;
    color: var(--pd-accent);
    border: 1px solid var(--pd-accent);
    box-shadow: none;
}

.btn-pd-outline:hover {
    background: var(--pd-accent-soft);
    color: var(--pd-accent);
    box-shadow: 0 4px 30px var(--pd-accent-glow);
}

.btn-pd-pdf {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ============================================
   TABS (Glowdesk size variants)
   ============================================ */
.pd-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}

.pd-tab {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--pd-border);
    border-radius: 12px;
    padding: 16px 32px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    font-family: var(--font);
    color: var(--pd-text);
    overflow: hidden;
}

.pd-tab:hover {
    border-color: var(--pd-accent);
    background: var(--pd-accent-soft);
}

.pd-tab.active {
    border-color: var(--pd-accent);
    background: var(--pd-accent-soft);
    box-shadow: 0 0 20px var(--pd-accent-glow);
}

.pd-tab-label {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.pd-tab.active .pd-tab-label {
    color: var(--pd-accent);
}

.pd-tab-img {
    height: 48px;
    width: auto;
    display: block;
    margin: 0 auto 4px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.pd-tab:hover .pd-tab-img,
.pd-tab.active .pd-tab-img {
    opacity: 1;
}

.pd-tab-size {
    display: block;
    font-size: 0.8rem;
    color: var(--pd-text);
    font-weight: 300;
    margin-top: 4px;
}

/* ---- Panels ---- */
.pd-spec-panel {
    display: none;
}

.pd-spec-panel.active {
    display: block;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .pd-spec-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .pd-hero {
        min-height: auto;
        padding: 100px 0 20px;
    }

    .pd-hero-logo {
        max-width: 180px;
    }

    .pd-section {
        padding: 40px 0;
    }

    .pd-spec-visual {
        position: static;
    }

    .pd-spec-visual img {
        max-width: 250px;
    }

    .pd-heading-accent {
        font-size: 1.8rem;
    }

    .pd-heading-italic {
        font-size: 1.3rem;
    }

    .pd-cta-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pd-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .pd-tab {
        padding: 12px 20px;
    }

    .pd-tab-img {
        height: 36px;
    }
}

@media (max-width: 480px) {
    .pd-heading-accent {
        font-size: 1.8rem;
    }

    .pd-heading-italic {
        font-size: 1.3rem;
    }
}