body{
    font-family: "Inter", sans-serif;
    /* background-color: #121212; */
    background-color: var(--x-dark);
    color: #ffff;
}

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

ul{
    list-style: none;
    padding-left: 0;
}

.text-muted{
    color: #9CA3AF !important;
}


/* =================================================================
   CAPABILITIES PAGE STYLES — PCB RETRO THEME (WITH VARIABLES)
   ================================================================= */

.page-wrapper {
    padding-top: 140px;
    padding-bottom: 80px;
    background-color: var(--x-dark); /* Deep PCB background */
    min-height: 100vh;
}

/* --- HEADER --- */
.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    color: var(--x-text);
    margin-bottom: 20px;

    /* Slight CRT glow */
    text-shadow: 0 0 6px rgba(41,255,65,0.08);
}

.page-header p {
    font-size: 16px;
    color: var(--x-text-muted);
    max-width: 800px;
    margin: 0 auto 60px auto;
    line-height: 1.6;
}

.section-heading {
    font-size: 22px;
    font-weight: 600;
    color: var(--x-text);
    margin-bottom: 20px;
}

/* ============================================================
   1. SPECS TABLE
   ============================================================ */
.specs-container {
    background-color: var(--x-dark-light); /* PCB panel green */
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
    overflow: hidden;
}

.specs-table {
    display: flex;
    flex-direction: column;
}

.spec-row {
    display: flex;
    border-bottom: 1px solid var(--x-border);
    padding: 16px 0;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row.header {
    border-bottom: 1px solid var(--x-blue); /* gold highlight row */
    margin-bottom: 10px;
}

.spec-col {
    font-size: 14px;
}

.spec-col.param {
    width: 30%;
    color: var(--x-text);
    font-weight: 600;
}

.spec-col.val {
    width: 70%;
    color: var(--x-text-muted);
    font-family: 'Courier New', Courier, monospace;
    letter-spacing: 0.5px;
}

/* ============================================================
   2. ADVANCED CAPABILITIES GRID
   ============================================================ */
.adv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.adv-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

/* Gold trace vertical accent */
.adv-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background-color: var(--x-blue);
    opacity: 0;
    transition: 0.3s;
}

.adv-card:hover {
    border-color: var(--x-blue);
    transform: translateY(-2px);
}

.adv-card:hover::before {
    opacity: 1;
}

.adv-card h4 {
    color: var(--x-text);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.adv-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.adv-card ul li {
    color: var(--x-text-muted);
    font-size: 14px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.adv-card ul li i {
    color: var(--x-blue); /* gold icons */
    font-size: 12px;
    width: 16px;
}

/* ============================================================
   3. MATERIALS GRID
   ============================================================ */
.materials-container {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.mat-item {
    background-color: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    color: var(--x-text);
    padding: 15px;
    border-radius: 6px;
    font-size: 13px;
    font-family: 'Courier New', monospace;
    display: flex;
    align-items: center;
}

.mat-item.full-width {
    grid-column: span 3;
}

/* ============================================================
   4. PAGE CTA BOX
   ============================================================ */
.page-cta-box {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 60px;
    text-align: center;
}

.page-cta-box h2 {
    color: var(--x-text);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-cta-box p {
    color: var(--x-text-muted);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA BUTTON (gold trace button) */
.btn-page-cta {
    background-color: var(--x-blue);
    color: var(--x-dark);
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    display: inline-block;
    border: 1px solid var(--x-blue);
}

.btn-page-cta:hover {
    background-color: var(--x-blue-hover);
    border-color: var(--x-blue-hover);
    color: var(--x-dark);
    transform: translateY(-2px);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .page-wrapper {
        padding-top: 100px;
    }

    .page-header h1 {
        font-size: 32px;
    }

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

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

    .mat-item.full-width {
        grid-column: span 1;
    }

    .spec-row {
        flex-direction: column;
    }

    .spec-col.param {
        width: 100%;
        margin-bottom: 5px;
        color: var(--x-text);
    }

    .spec-col.val {
        width: 100%;
    }
}


/* =================================================================
   CONTACT PAGE STYLES — PCB RETRO THEME
   ================================================================= */

.contact-page-wrapper {
    padding-top: 140px;
    padding-bottom: 100px;
    background-color: var(--x-dark); /* Deep PCB background */
    min-height: 100vh;
}

/* --- FORM BOX --- */
.contact-form-box {
    background-color: var(--x-dark-light); /* PCB panel green */
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 40px;
}

.form-title {
    font-size: 24px;
    color: var(--x-text);
    font-weight: 600;
    margin-bottom: 30px;

    /* CRT glow */
    text-shadow: 0 0 6px rgba(41,255,65,0.10);
}

.form-label {
    color: var(--x-text);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

/* Input Styling */
.custom-input {
    background-color: var(--x-dark);
    border: 1px solid var(--x-border);
    color: var(--x-text);
    padding: 12px 15px;
    font-size: 14px;
    border-radius: 6px;
}

.custom-input:focus {
    background-color: var(--x-dark);
    border-color: var(--x-blue); /* gold glow border */
    box-shadow: 0 0 0 2px rgba(212,175,55,0.25); /* ENIG gold shimmer */
    color: var(--x-text);
}

.custom-input::placeholder {
    color: var(--x-text-muted);
}

/* ==============================================================
   FILE UPLOAD AREA
   ============================================================== */

.upload-area {
    border: 2px dashed var(--x-border);
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: 0.3s;
    background-color: rgba(255,255,255,0.02);
    position: relative;
}

.upload-area:hover {
    border-color: var(--x-blue); /* gold on hover */
    background-color: rgba(212,175,55,0.05); /* subtle gold tint */
}

.upload-area i {
    font-size: 32px;
    color: var(--x-text-muted);
    margin-bottom: 15px;
}

.upload-area p {
    color: var(--x-text-muted);
    font-size: 14px;
    margin: 0;
}

.file-input-hidden {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* ==============================================================
   SUBMIT BUTTON — PCB COMPONENT STYLE
   ============================================================== */

.btn-submit-quote {
    width: 100%;
    background-color: var(--x-blue); /* ENIG gold button */
    color: var(--x-dark); /* dark PCB text */
    font-weight: 600;
    border: none;
    padding: 14px;
    border-radius: 6px;
    font-size: 16px;
    transition: 0.3s;
    border: 1px solid var(--x-blue);
    box-shadow: 0 4px 14px rgba(212,175,55,0.25);
}

.btn-submit-quote:hover {
    background-color: var(--x-blue-hover);
    border-color: var(--x-blue-hover);
    transform: translateY(-2px);
}

/* ==============================================================
   SIDEBAR CARDS
   ============================================================== */

.sidebar-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
}

.sidebar-card h4 {
    font-size: 18px;
    color: var(--x-text);
    margin-bottom: 25px;
    font-weight: 600;
}

.info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.info-item:last-child { margin-bottom: 0; }

/* Icon */
.info-item i {
    color: var(--x-blue); /* gold trace icon */
    font-size: 18px;
    margin-top: 3px;
}

.info-item .label {
    display: block;
    font-size: 13px;
    color: var(--x-text);
    font-weight: 600;
    margin-bottom: 4px;
}

.info-item p {
    color: var(--x-text-muted);
    font-size: 14px;
    margin: 0;
    line-height: 1.5;
}

/* ==============================================================
   HOURS ROW
   ============================================================== */

.hours-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--x-text-muted);
}

.hours-row .time {
    color: var(--x-text);
    font-weight: 500;
}

.hours-row .closed {
    color: var(--x-text-muted);
}

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

@media (max-width: 768px) {
    .contact-form-box {
        padding: 25px;
    }

    .upload-area {
        padding: 30px;
    }
}



/* =================================================================
   HARDWARE ENGINEERING / SERVICE DETAIL STYLES — PCB RETRO THEME
   ================================================================= */

.page-wrapper {
    padding-top: 140px;
    padding-bottom: 100px;
    background-color: var(--x-dark);
    min-height: 100vh;
}

/* --- PAGE HEADER --- */
.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    color: var(--x-text);
    margin-bottom: 15px;

    /* CRT glow */
    text-shadow: 0 0 6px rgba(41,255,65,0.08);
}

.page-header p {
    font-size: 16px;
    color: var(--x-text-muted);
    line-height: 1.6;
}

/* =================================================================
   GRID LAYOUT
   ================================================================= */

.service-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

/* =================================================================
   LEFT: CORE CAPABILITIES CARD
   ================================================================= */

.core-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 40px;
    height: 100%;
}

.core-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--x-text);
    margin-bottom: 25px;
}

.core-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.core-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: var(--x-text-muted);
    font-size: 14px;
    line-height: 1.5;
}

/* PCB Gold Checkmarks */
.core-list li i {
    color: var(--x-blue);
    font-size: 16px;
    margin-top: 3px;
    flex-shrink: 0;
}

/* =================================================================
   RIGHT: FEATURE STACK
   ================================================================= */

.feature-stack {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
    border-color: var(--x-blue);
    transform: translateY(-2px);
}

.feature-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--x-text);
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 14px;
    color: var(--x-text-muted);
    line-height: 1.6;
    margin: 0;
}

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

.page-cta-box {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 60px;
    text-align: center;
}

.page-cta-box h2 {
    color: var(--x-text);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-cta-box p {
    color: var(--x-text-muted);
    font-size: 15px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-page-cta {
    display: inline-block;
    background-color: var(--x-blue);     /* ENIG gold button */
    color: var(--x-dark);                /* deep PCB text */
    padding: 12px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    border: 1px solid var(--x-blue);
}

.btn-page-cta:hover {
    background-color: var(--x-blue-hover);
    border-color: var(--x-blue-hover);
    color: var(--x-dark);
    transform: translateY(-2px);
}

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

@media (max-width: 991px) {
    .service-details-grid {
        grid-template-columns: 1fr;
    }

    .core-card,
    .feature-card {
        padding: 30px;
    }

    .page-header h1 {
        font-size: 32px;
    }
}


/* =================================================================
   SERVICE DETAILS LAYOUT — PCB RETRO THEME (FIRMWARE + HARDWARE)
   ================================================================= */

.page-wrapper {
    padding-top: 140px;
    padding-bottom: 100px;
    background-color: var(--x-dark); /* Deep PCB */
    min-height: 100vh;
}

/* --- HEADERS --- */
.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    color: var(--x-text);
    margin-bottom: 15px;

    /* mild CRT glow */
    text-shadow: 0 0 6px rgba(41,255,65,0.08);
}

.page-header p {
    font-size: 16px;
    color: var(--x-text-muted);
    line-height: 1.6;
}

/* --- GRID LAYOUT --- */
.service-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

/* =================================================================
   LEFT COLUMN — CORE CAPABILITIES CARD
   ================================================================= */

.core-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 40px;
    height: 100%;
}

.core-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--x-text);
    margin-bottom: 25px;
}

/* List inside core card */
.core-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.core-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: var(--x-text-muted);
    font-size: 14px;
    line-height: 1.5;
}

/* ENIG Gold Checkmark */
.core-list li i {
    color: var(--x-blue);
    font-size: 16px;
    margin-top: 3px;
    flex-shrink: 0;
}

/* Smaller version for feature cards */
.core-list.small-list {
    gap: 12px;
    margin-top: 15px;
}

/* =================================================================
   RIGHT COLUMN — FEATURE CARDS STACK
   ================================================================= */

.feature-stack {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
    border-color: var(--x-blue); /* gold highlight */
    transform: translateY(-2px);
}

.feature-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--x-text);
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 14px;
    color: var(--x-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* =================================================================
   BOTTOM CTA BOX
   ================================================================= */

.page-cta-box {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 60px;
    text-align: center;
}

.page-cta-box h2 {
    color: var(--x-text);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-cta-box p {
    color: var(--x-text-muted);
    font-size: 15px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA BUTTON */
.btn-page-cta {
    display: inline-block;
    background-color: var(--x-blue);     /* ENIG gold button */
    color: var(--x-dark);                /* dark PCB text */
    padding: 12px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    border: 1px solid var(--x-blue);
}

.btn-page-cta:hover {
    background-color: var(--x-blue-hover);
    border-color: var(--x-blue-hover);
    color: var(--x-dark);
    transform: translateY(-2px);
}

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

@media (max-width: 991px) {
    .service-details-grid {
        grid-template-columns: 1fr;
    }

    .core-card,
    .feature-card {
        padding: 30px;
    }

    .page-header h1 {
        font-size: 32px;
    }
}


/* =================================================================
   MANUFACTURING PAGE SPECIFIC STYLES — PCB RETRO THEME
   ================================================================= */

/* (page-wrapper, core-card, feature-card already use PCB theme globally) */

/* --- WHY CHOOSE US SECTION --- */
.why-choose-section {
    margin-top: 80px;
}

.three-col-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.benefit-card {
    background-color: var(--x-dark-light); /* PCB panel surface */
    border: 1px solid var(--x-border);     /* PCB trace border */
    border-radius: 12px;
    padding: 30px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.benefit-card:hover {
    border-color: var(--x-blue);  /* ENIG gold highlight */
    transform: translateY(-3px);
}

.benefit-card h5 {
    font-size: 17px;
    font-weight: 600;
    color: var(--x-text);
    margin-bottom: 12px;

    /* sub-CRT glow for uniformity */
    text-shadow: 0 0 4px rgba(41,255,65,0.06);
}

.benefit-card p {
    font-size: 13px;
    color: var(--x-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* --- RESPONSIVE --- */
@media (max-width: 991px) {
    .three-col-grid {
        grid-template-columns: 1fr;
    }

    .benefit-card {
        padding: 25px;
    }
}



/* =================================================================
   ABOUT US PAGE — PCB RETRO THEME
   ================================================================= */

.page-wrapper {
    padding-top: 140px;
    padding-bottom: 100px;
    background-color: var(--x-dark);
    min-height: 100vh;
}

/* --- HEADER --- */
.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    color: var(--x-text);
    margin-bottom: 10px;
    text-shadow: 0 0 6px rgba(41,255,65,0.08); /* Sub CRT glow */
}

.page-header .subtitle {
    font-size: 18px;
    color: var(--x-text-muted);
    font-weight: 400;
    margin: 0;
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--x-text);
    margin-bottom: 20px;
}

/* =================================================================
   STORY SECTION
   ================================================================= */

.story-text p {
    color: var(--x-text-muted);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.story-image img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--x-border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* =================================================================
   STATS GRID
   ================================================================= */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
}

.stat-card h2 {
    color: var(--x-blue); /* ENIG gold highlight */
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 5px;
    text-shadow: 0 0 8px rgba(212,175,55,0.25);
}

.stat-card span {
    color: var(--x-text-muted);
    font-size: 13px;
    text-transform: capitalize;
}

/* =================================================================
   VALUES GRID
   ================================================================= */

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.value-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.value-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(212,175,55,0.08); /* Gold glow */
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon i {
    color: var(--x-blue); /* Gold icon */
    font-size: 18px;
}

.value-card h4 {
    color: var(--x-text);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.value-card p {
    color: var(--x-text-muted);
    font-size: 13px;
    line-height: 1.5;
    margin: 0;
}

/* =================================================================
   WHAT WE DO BOX
   ================================================================= */

.what-we-do-box {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 40px;
}

.wwd-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: left;
}

.wwd-item {
    padding: 0 10px;
    border-right: 1px solid rgba(255,255,255,0.05);
}

.wwd-item:last-child {
    border-right: none;
}

.wwd-item h5 {
    color: var(--x-text);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.wwd-item p {
    color: var(--x-text-muted);
    font-size: 12px;
    line-height: 1.5;
    margin: 0;
}

/* =================================================================
   GOLD CTA BOX — Replacing Blue Gradient
   ================================================================= */

.blue-cta-box {
    background: linear-gradient(
        90deg,
        var(--x-blue) 0%,
        var(--x-blue-hover) 100%
    ); /* Gold ENIG gradient */

    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    color: var(--x-dark);
    margin-top: 60px;

    box-shadow: 0 0 25px rgba(212,175,55,0.2);
}

.blue-cta-box h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--x-dark);
}

.blue-cta-box p {
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto 30px auto;
    color: rgba(0,0,0,0.7);
}

/* CTA BUTTON (Gold version) */
.btn-white-cta {
    display: inline-block;
    background-color: var(--x-dark);
    color: var(--x-blue);
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    border: 1px solid var(--x-dark);
}

.btn-white-cta:hover {
    background-color: var(--x-dark-light);
    color: var(--x-blue-hover);
    transform: translateY(-2px);
}

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

@media (max-width: 991px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .wwd-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .wwd-item {
        border-right: none;
        padding: 0;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .page-header h1 {
        font-size: 32px;
    }
}


/* =================================================================
   FLEX & RIGID PAGE — PCB RETRO THEME
   ================================================================= */

/* --- 1. FEATURE INFO CARDS (2x2 Grid) --- */
.info-card {
    background-color: var(--x-dark-light); /* PCB panel */
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
    height: 100%;
    transition: 0.3s ease;
}

.info-card:hover {
    border-color: var(--x-blue); /* ENIG gold */
    transform: translateY(-2px);
}

.info-card h4 {
    color: var(--x-text);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    text-shadow: 0 0 4px rgba(41,255,65,0.06); /* mild CRT glow */
}

.info-card p {
    color: var(--x-text-muted);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* =================================================================
   2. SPECS TABLE
   ================================================================= */

.specs-container {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
    overflow: hidden;
}

.specs-table {
    display: flex;
    flex-direction: column;
}

.spec-row {
    display: flex;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 16px 0;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row.header {
    border-bottom: 1px solid rgba(255,255,255,0.15);
    margin-bottom: 10px;
}

.spec-col {
    font-size: 13px;
}

.spec-col.param {
    width: 30%;
    color: var(--x-text);
    font-weight: 600;
}

.spec-col.val {
    width: 70%;
    color: var(--x-text-muted);
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
}

/* =================================================================
   3. APPLICATIONS GRID (Pills)
   ================================================================= */

.app-section {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.app-item {
    background-color: rgba(255,255,255,0.03);
    color: var(--x-text-muted);
    padding: 12px;
    border-radius: 6px;
    font-size: 13px;
    text-align: center;
    border: 1px solid transparent;
    transition: 0.3s;
    cursor: default;
}

.app-item:hover {
    background-color: rgba(212, 175, 55, 0.08); /* faint gold glow */
    border-color: var(--x-blue);
    color: var(--x-text);
}

/* =================================================================
   4. DESIGN CONSIDERATIONS CARD
   ================================================================= */

.design-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px 40px;
}

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

@media (max-width: 991px) {
    .app-grid {
        grid-template-columns: 1fr 1fr;
    }

    .spec-row {
        flex-direction: column;
    }

    .spec-col.param {
        width: 100%;
        margin-bottom: 5px;
        color: var(--x-text);
    }

    .spec-col.val {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .app-grid {
        grid-template-columns: 1fr;
    }
}


/* =================================================================
   MULTILAYER PCB PAGE — PCB RETRO THEME
   ================================================================= */

/* --- 1. STACKED CONFIG CARDS --- */
.config-stack {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.config-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 8px; /* Slightly less rounded */
    padding: 25px 30px;
    transition: 0.3s ease;
}

.config-card:hover {
    border-color: var(--x-blue); /* Gold outline */
    background-color: rgba(212,175,55,0.06); /* faint gold glow */
}

.config-card h4 {
    color: var(--x-text);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.config-card p {
    color: var(--x-text-muted);
    font-size: 14px;
    margin: 0;
    line-height: 1.5;
}

/* =================================================================
   2. CONTENT TEXT BOXES
   ================================================================= */

.content-box {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 40px;
}

.content-box h4 {
    color: var(--x-text);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.content-box p {
    color: var(--x-text-muted);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 15px;
}

/* =================================================================
   CHECKLIST STYLE (PCB GOLD)
   ================================================================= */

.check-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.check-list li {
    color: var(--x-text);
    font-size: 14px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.check-list li i {
    color: var(--x-blue); /* ENIG gold checkmark */
    font-size: 14px;
    margin-top: 4px;
    flex-shrink: 0;
}

.check-list li strong {
    color: var(--x-text);
    font-weight: 600;
}

/* =================================================================
   ICONS IN CARDS (Gold)
   ================================================================= */

.icon-blue {
    color: var(--x-blue);
    font-size: 24px;
    display: block;
}

/* =================================================================
   4. 3-COLUMN APPLICATION GRID
   ================================================================= */

.app-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

/* Uses .app-item from previous PCB-styled pages */
/* If not imported on this page, here is a compatible version: */

.app-item {
    background-color: rgba(255,255,255,0.03);
    color: var(--x-text-muted);
    padding: 12px;
    border-radius: 6px;
    font-size: 13px;
    text-align: center;
    border: 1px solid transparent;
    transition: 0.3s;
}

.app-item:hover {
    background-color: rgba(212,175,55,0.08); /* soft gold hover */
    border-color: var(--x-blue);
    color: var(--x-text);
}

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

@media (max-width: 991px) {
    .app-grid-3 {
        grid-template-columns: 1fr;
    }

    .config-card {
        padding: 20px;
    }
}



/* =================================================================
   HIGH FREQUENCY PCB PAGE — PCB RETRO THEME
   ================================================================= */

/* =================================================================
   1. GOLD CALLOUT BOX (Replaces Blue Box)
   ================================================================= */

.callout-box {
    border-left: 3px solid var(--x-blue); /* Gold vertical bar */
    background-color: rgba(212,175,55,0.07); /* Light ENIG gold wash */
    padding: 20px 25px;
    border-radius: 0 6px 6px 0;
    margin: 20px 0;
}

.callout-box h5 {
    color: var(--x-text);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.callout-box p {
    color: var(--x-text-muted);
    font-size: 13px;
    line-height: 1.6;
}

/* =================================================================
   2. DATA LIST (Key/Value Rows)
   ================================================================= */

.data-list {
    display: flex;
    flex-direction: column;
}

.data-row {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.data-row:last-child {
    border-bottom: none;
}

.data-row .label {
    color: var(--x-text);
    font-weight: 600;
    font-size: 14px;
}

.data-row .value {
    color: var(--x-text-muted);
    font-size: 14px;
    font-family: 'Courier New', monospace;
    text-align: right;
    max-width: 60%;
}

/* =================================================================
   3. BULLET LIST (Small Grey Dots)
   ================================================================= */

.bullet-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bullet-list li {
    color: var(--x-text-muted);
    font-size: 13px;
    margin-bottom: 8px;
    position: relative;
    padding-left: 15px;
}

.bullet-list li::before {
    content: '•';
    color: rgba(255,255,255,0.25); /* Subtle pale dot */
    position: absolute;
    left: 0;
    font-size: 16px;
    line-height: 14px;
}

/* =================================================================
   4. INDUSTRY PILLS (With Icons)
   ================================================================= */

.industry-pill {
    background-color: var(--x-dark-light);
    padding: 15px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--x-text);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--x-border);
    transition: 0.2s;
}

.industry-pill:hover {
    border-color: var(--x-blue);
    background-color: rgba(212,175,55,0.08);
}

.industry-pill i {
    color: var(--x-blue); /* Gold icon */
    font-size: 16px;
}

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

@media (max-width: 768px) {
    .data-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .data-row .value {
        text-align: left;
        max-width: 100%;
    }
}


/* =================================================================
   ALUMINUM PCB PAGE — PCB RETRO THEME
   ================================================================= */

/* =================================================================
   1. VERTICAL PROCESS STEPS
   ================================================================= */

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 25px;
    padding-left: 20px;

    /* faint gold line instead of blue */
    border-left: 2px solid rgba(212,175,55,0.25);
}

.step-item {
    position: relative;
    padding-left: 25px;
}

/* Gold vertical indicator */
.step-item::before {
    content: '';
    position: absolute;
    left: -22px;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--x-blue);
    display: block;
}

.step-item h5 {
    color: var(--x-text);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-item p {
    color: var(--x-text-muted);
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
}

/* =================================================================
   2. DARK APPLICATION CARDS (GRID)
   ================================================================= */

.app-card-dark {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 8px;
    padding: 20px;
    height: 100%;
    transition: 0.2s ease;
}

.app-card-dark:hover {
    border-color: var(--x-blue);          /* gold border on hover */
    background-color: rgba(212,175,55,0.06);
}

.app-card-dark h6 {
    color: var(--x-text);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
}

.app-card-dark span {
    color: var(--x-text-muted);
    font-size: 12px;
    display: block;
}

/* =================================================================
   3. ICONS & CHECKLIST — Gold Theme
   ================================================================= */

.icon-blue {
    color: var(--x-blue);       /* Gold icon */
    font-size: 24px;
    display: block;
}

.check-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.check-list li {
    color: var(--x-text);
    font-size: 14px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.check-list li i {
    color: var(--x-blue);       /* gold checkmark */
    font-size: 14px;
    margin-top: 4px;
    flex-shrink: 0;
}

.check-list li strong {
    color: var(--x-text);
    font-weight: 600;
}


/* =================================================================
   LED PCB PAGE — PCB RETRO THEME
   ================================================================= */

/* =================================================================
   TYPE CARDS (3 Column Grid)
   ================================================================= */

.type-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 8px;
    padding: 25px;
    height: 100%;
    transition: 0.3s ease;
}

.type-card:hover {
    border-color: var(--x-blue); /* ENIG gold */
    background-color: rgba(212,175,55,0.06); /* faint gold glow */
}

.type-card h5 {
    color: var(--x-text);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.type-card p {
    color: var(--x-text-muted);
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
}

/* =================================================================
   ICONS — Converted to Gold
   ================================================================= */

.icon-blue {
    color: var(--x-blue); /* Gold instead of blue */
    font-size: 24px;
    display: block;
}

/* =================================================================
   TEXT UTILITIES (Theme-Compatible)
   ================================================================= */

.text-muted {
    color: var(--x-text-muted) !important;
}

.small {
    font-size: 14px;
}


/* =================================================================
   EXOTIC MATERIALS PAGE — PCB RETRO THEME
   ================================================================= */

/* =================================================================
   1. MATERIALS DATA TABLE
   ================================================================= */

.materials-table {
    display: flex;
    flex-direction: column;
    width: 100%;
    overflow-x: auto; /* Scroll on small devices */
}

.mat-row {
    display: flex;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    min-width: 600px; /* Prevent column collapse */
}

.mat-row:last-child {
    border-bottom: none;
}

.mat-row.header {
    border-bottom: 1px solid rgba(255,255,255,0.15);
    font-weight: 600;
    color: var(--x-text);
    font-size: 13px;
    margin-bottom: 5px;
}

/* =================================================================
   COLUMN STYLES — Large Table
   ================================================================= */

.col-name {
    width: 20%;
    color: var(--x-text);
    font-weight: 600;
    font-size: 14px;
}

.col-data,
.col-range {
    width: 15%;
    color: var(--x-text-muted);
    font-family: "Courier New", monospace;
    font-size: 13px;
}

.col-range {
    width: 20%;
}

.col-app {
    width: 30%;
    color: var(--x-text-muted);
    font-size: 13px;
}

/* =================================================================
   SIMPLE TABLE COLUMN WIDTHS
   ================================================================= */

.materials-table.simple .col-name {
    width: 40%;
}

.materials-table.simple .col-data {
    width: 30%;
}

/* =================================================================
   2. TAGS / PILLS — Gold PCB Style
   ================================================================= */

.tag-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.tag {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    color: var(--x-text-muted);
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 4px;
    white-space: nowrap;
}

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

@media (max-width: 991px) {
    .col-app { display: none; } /* Save space on tablets */
    .col-name { width: 25%; }
    .col-data { width: 20%; }
    .col-range { width: 35%; }
}

@media (max-width: 576px) {
    .specs-container {
        padding: 20px 15px;
    }
}


/* =================================================================
   SURFACE FINISH PAGE — PCB RETRO THEME
   ================================================================= */

/* =================================================================
   1. FINISH CARDS (Vertical Stack)
   ================================================================= */

.finish-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.finish-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 8px;
    padding: 30px;
    transition: 0.3s ease;
}

.finish-card:hover {
    border-color: var(--x-blue); /* ENIG gold highlight */
    background-color: rgba(212,175,55,0.06); /* subtle gold glow */
}

.finish-card h4 {
    color: var(--x-text);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.finish-card .sub-label {
    display: block;
    color: var(--x-text-muted);
    font-size: 13px;
    font-weight: 400;
    margin-top: 4px;
}

.finish-card p {
    color: var(--x-soft-light);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* =================================================================
   2. SELECTION GUIDE (Checklist Style)
   ================================================================= */

.guide-title {
    font-size: 15px;
    color: var(--x-text);
    font-weight: 600;
    margin-bottom: 12px;
}

.guide-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.guide-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: var(--x-text-muted);
    font-size: 13px;
    margin-bottom: 8px;
    line-height: 1.5;
}

.guide-list li i {
    color: var(--x-blue); /* Gold-style icon */
    font-size: 12px;
    margin-top: 4px;
    flex-shrink: 0;
}

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

@media (max-width: 768px) {
    .finish-card {
        padding: 20px;
    }

    .finish-card h4 {
        font-size: 16px;
    }
}



/* =================================================================
   MANUFACTURING TECH PAGE — PCB RETRO THEME
   ================================================================= */

/* =================================================================
   1. SPECIFICATION TABS
   ================================================================= */

.spec-tabs {
    border-bottom: 1px solid var(--x-border);
    background-color: var(--x-dark-light);
    border-radius: 12px 12px 0 0;
    padding: 0 20px;
}

.spec-tabs .nav-item {
    margin-bottom: -1px;
}

.spec-tabs .nav-link {
    color: var(--x-text-muted);
    background: transparent;
    border: 1px solid transparent;
    border-bottom: none;
    padding: 15px 25px;
    font-size: 14px;
    font-weight: 500;
    transition: 0.25s ease;
}

.spec-tabs .nav-link:hover {
    color: var(--x-text);
}

.spec-tabs .nav-link.active {
    color: var(--x-text);
    background-color: var(--x-dark);
    border-color: var(--x-border);
    border-bottom-color: var(--x-dark);
    border-radius: 8px 8px 0 0;
}

/* Tab Content Wrapper */
#techTabsContent {
    background-color: var(--x-dark);
    border: 1px solid var(--x-border);
    border-top: none;
    border-radius: 0 0 12px 12px;
}

/* =================================================================
   2. 3-COLUMN TABLE (Item | Standard | Advanced)
   ================================================================= */

.specs-table.three-col .spec-row {
    display: flex;
    align-items: center;
}

.col-item {
    width: 40%;
    color: var(--x-text);
    font-size: 13px;
    font-weight: 600;
}

.col-std {
    width: 30%;
    color: var(--x-text-muted);
    font-family: "Courier New", monospace;
    font-size: 13px;
}

.col-adv {
    width: 30%;
    color: var(--x-blue); /* Gold tone for "Advanced" */
    font-family: "Courier New", monospace;
    font-size: 13px;
}

/* =================================================================
   3. GOLD BULLET LIST
   ================================================================= */

.bullet-list-blue {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bullet-list-blue li {
    color: var(--x-text-muted);
    font-size: 13px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.bullet-list-blue li i {
    color: var(--x-blue); /* ENIG gold icon */
    font-size: 12px;
    width: 16px;
    text-align: center;
}

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

@media (max-width: 768px) {
    /* Scrollable tab bar on mobile */
    .spec-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        white-space: nowrap;
    }

    .three-col .spec-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .col-item,
    .col-std,
    .col-adv {
        width: 100%;
    }
}


/* =================================================================
   HDI PAGE — PCB RETRO THEME
   ================================================================= */

/* =================================================================
   1. TOP FEATURE BOXES
   ================================================================= */

.feature-box {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 8px;
    padding: 30px;
    height: 100%;
    transition: 0.3s ease;
    position: relative;
}

/* Decorative Gold Corner Accents */
.feature-box::before,
.feature-box::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: var(--x-blue);
    border-style: solid;
    opacity: 0.5;
}

.feature-box::before {
    top: 0;
    left: 0;
    border-width: 1px 0 0 1px;
    border-radius: 8px 0 0 0;
}

.feature-box::after {
    bottom: 0;
    right: 0;
    border-width: 0 1px 1px 0;
    border-radius: 0 0 8px 0;
}

.feature-box:hover {
    border-color: var(--x-blue);
    transform: translateY(-2px);
}

.feature-box h4 {
    color: var(--x-text);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-box p {
    color: var(--x-text-muted);
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
}

/* =================================================================
   2. PROCESS CARDS
   ================================================================= */

.process-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 8px;
    padding: 30px;
    height: 100%;
}

.process-card h4 {
    color: var(--x-text);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

/* =================================================================
   3. APP GRID 3 (Reused)
   ================================================================= */

.app-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

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

@media (max-width: 991px) {
    .app-grid-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .app-grid-3 {
        grid-template-columns: 1fr;
    }
}


/* =================================================================
   FLEX CAPABILITY PAGE — PCB RETRO THEME
   ================================================================= */

/* Reuses: .specs-container, .specs-table, .spec-row, etc. */

/* --- COLUMN WIDTH TUNING (Flex Page Only) --- */
.flex-page .spec-col.param {
    width: 35%;
    color: var(--x-text); /* Stronger contrast */
}

.flex-page .spec-col.val {
    width: 65%;
    color: var(--x-text-muted);
    font-family: 'Courier New', monospace;
}

/* --- TEXT UTILITIES --- */
.fst-italic {
    font-style: italic !important;
}

.text-muted.small {
    font-size: 13px;
    color: var(--x-text-muted) !important;
}

/* --- MOBILE SCROLLABLE TABLES --- */
@media (max-width: 768px) {

    /* Prevent table squashing */
    .specs-table {
        min-width: 600px;
    }

    .specs-container {
        overflow-x: auto;
        border-color: var(--x-border);
        background-color: var(--x-dark-light);
    }
}


/* =================================================================
   THICK COPPER PCB PAGE — PCB RETRO THEME
   ================================================================= */

/* --- 1. APP PILLS (4-Column Grid) --- */
.app-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.app-pill-dark {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 6px;
    padding: 12px 10px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--x-text);
    transition: 0.2s;
    cursor: default;
}

.app-pill-dark:hover {
    border-color: var(--x-blue);
    background-color: rgba(212,175,55,0.06); /* faint gold glow */
}

/* --- 2. CALLOUT BOX (Gold Accent) --- */
.callout-box {
    border-left: 3px solid var(--x-blue);
    background-color: rgba(0,0,0,0.25);
    padding: 20px 25px;
    border-radius: 0 6px 6px 0;
    margin: 20px 0;
}

.callout-box h5 {
    color: var(--x-text);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.callout-box p {
    color: var(--x-text-muted);
    font-size: 13px;
    line-height: 1.6;
}

/* --- 3. BULLET LIST --- */
.bullet-list li {
    margin-bottom: 10px;
    color: var(--x-text-muted);
}
.bullet-list li strong {
    color: var(--x-text);
    font-weight: 600;
}

/* --- RESPONSIVE --- */
@media (max-width: 991px) {
    .app-grid-4 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .app-grid-4 {
        grid-template-columns: 1fr;
    }
}


/* =================================================================
   HIGH TG PCB PAGE — PCB RETRO THEME
   ================================================================= */

/* --- 1. TG LEVEL STACK --- */
.tg-stack {
    display: flex;
    flex-direction: column;
    gap: 15px;
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
}

.tg-item {
    display: flex;
    align-items: center;
    gap: 25px;
    padding: 20px;
    border-bottom: 1px solid var(--x-border);
    transition: 0.2s;
}

.tg-item:last-child {
    border-bottom: none;
}

.tg-item:hover {
    background-color: rgba(212,175,55,0.06);
    border-radius: 8px;
}

/* --- Gold Badge --- */
.tg-badge {
    background-color: rgba(212,175,55,0.10); /* faint PCB gold */
    color: var(--x-blue);
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid rgba(212,175,55,0.30);
    min-width: 120px;
    text-align: center;
    font-size: 14px;
    white-space: nowrap;
}

/* --- Text Info --- */
.tg-info h6 {
    color: var(--x-text);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.tg-info p {
    color: var(--x-text-muted);
    font-size: 13px;
    margin: 0;
}

/* Reuses .app-grid-3 and .app-pill-dark (already themed above) */

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .tg-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .tg-badge {
        min-width: auto;
        width: 100%;
    }
}


/* =================================================================
   MICRO-VIAS PAGE — PCB RETRO THEME
   ================================================================= */

/* --- INFO CARDS (Reusable Across Pages) --- */
.info-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
    height: 100%;
    transition: 0.3s ease;
}

.info-card:hover {
    border-color: var(--x-blue);
    background-color: rgba(212,175,55,0.06); /* faint gold/diffused copper glow */
    transform: translateY(-2px);
}

.info-card h4 {
    color: var(--x-text);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.info-card p {
    color: var(--x-text-muted);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* --- ICONS (Gold Accent) --- */
.icon-blue {
    color: var(--x-blue); /* ENIG gold accent */
    font-size: 24px;
    display: block;
}

/* --- LARGE CONTENT BOX --- */
.content-box {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 40px;
}

.content-box h4 {
    color: var(--x-text);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* --- CALLOUT BOX (Gold Left Rail) --- */
.callout-box {
    border-left: 3px solid var(--x-blue);
    background-color: rgba(0,0,0,0.25); /* PCB dark-glass feel */
    padding: 20px 25px;
    border-radius: 0 6px 6px 0;
    margin-top: 20px;
}

.callout-box h5 {
    color: var(--x-text);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.callout-box p {
    color: var(--x-text-muted);
    font-size: 13px;
    line-height: 1.6;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .info-card,
    .content-box {
        padding: 25px;
    }
}

/* =================================================================
   ROHS PAGE — PCB RETRO THEME
   ================================================================= */

/* --- SUBSTANCE LIST ITEMS --- */
.substance-item {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 6px;
    padding: 12px 15px;
    color: var(--x-text);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.substance-item:last-child {
    margin-bottom: 0;
}

.substance-item i {
    font-size: 14px;
}

/* Helper for Red Warning Mark */
.text-danger {
    color: #EF4444 !important; /* Red kept for semantic meaning */
}

/* --- APP CARD DARK (Reused) --- */
.app-card-dark {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 8px;
    padding: 20px;
    height: 100%;
}

.app-card-dark h6 {
    color: var(--x-text);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
}

.app-card-dark span {
    color: var(--x-text-muted);
    font-size: 12px;
    display: block;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .substance-item {
        font-size: 13px;
    }
}



/* =================================================================
   TESTING PARAMETERS PAGE — PCB RETRO THEME
   ================================================================= */

/* --- 3-STEP PROCESS VISUALIZATION --- */
.process-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
    position: relative;
}

/* Connecting Line */
.process-grid-3::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 16%;
    right: 16%;
    height: 1px;
    background-color: rgba(255,255,255,0.08);
    z-index: 0;
}

.process-step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* --- Step Circle --- */
.step-circle {
    width: 50px;
    height: 50px;
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 50%;
    color: var(--x-blue); /* ENIG gold/copper accent */
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;

    /* Creates ring-gap illusion */
    box-shadow: 0 0 0 5px var(--x-dark);
}

.process-step h5 {
    color: var(--x-text);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.process-step p {
    color: var(--x-text-muted);
    font-size: 13px;
    line-height: 1.5;
    max-width: 250px;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .process-grid-3 {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .process-grid-3::before {
        display: none;
    }
}


/* =================================================================
   PARTS ORDERING PAGE — PCB RETRO THEME
   ================================================================= */

/* --- 4-STEP PROCESS VISUALIZATION --- */
.process-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
    position: relative;
}

/* Connecting Line */
.process-grid-4::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 12%;
    right: 12%;
    height: 1px;
    background-color: rgba(255,255,255,0.08);
    z-index: 0;
}

/* Reuses .process-step + .step-circle from Testing Page */

/* --- RESPONSIVE --- */
@media (max-width: 991px) {
    .process-grid-4 {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .process-grid-4::before {
        display: none;
    }
}

@media (max-width: 576px) {
    .process-grid-4 {
        grid-template-columns: 1fr;
    }
}



/* =================================================================
   ASSEMBLY CAPABILITIES PAGE — PCB RETRO THEME
   ================================================================= */

/* --- VOLUME GRID (4 Columns) --- */
.volume-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.volume-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 8px;
    padding: 20px;
    transition: 0.25s;
}

.volume-card:hover {
    background-color: rgba(255,255,255,0.03);
    border-color: var(--x-blue-hover);
}

.volume-card h6 {
    color: var(--x-text);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

.volume-card .range {
    display: block;
    color: var(--x-text);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
}

.volume-card .time {
    display: block;
    color: var(--x-text-muted);
    font-size: 13px;
}

/* --- BULLET LIST BLUE (PCB ENIG Accent) --- */
.bullet-list-blue {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bullet-list-blue li {
    color: var(--x-text-muted);
    font-size: 13px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.bullet-list-blue li i {
    color: var(--x-blue);
    font-size: 12px;
    width: 16px;
    text-align: center;
}

/* --- RESPONSIVE --- */
@media (max-width: 991px) {
    .volume-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .volume-grid {
        grid-template-columns: 1fr;
    }
}



/* =================================================================
   BGA ASSEMBLY PAGE — PCB RETRO THEME
   ================================================================= */

/* --- QA STEP CARDS (Left ENIG Blue Border) --- */
.qa-step {
    border-left: 3px solid var(--x-blue);
    background-color: rgba(255,255,255,0.03);
    padding: 20px 25px;
    height: 100%;
    border-radius: 0 6px 6px 0;
}

.qa-step h5 {
    color: var(--x-text);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
}

.qa-step p {
    color: var(--x-text-muted);
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
}

/* --- PILL GRID (Reusing app-grid-4 global class) --- */
.app-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

/* --- RESPONSIVE --- */
@media (max-width: 991px) {
    .app-grid-4 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .qa-step {
        padding: 15px;
    }
}


/* =================================================================
   REWORK PAGE STYLES — PCB RETRO THEME
   ================================================================= */

/* --- 5-STEP PROCESS VISUALIZATION --- */
.process-grid-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    text-align: center;
    position: relative;
}

/* Connecting Line */
.process-grid-5::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 10%;
    right: 10%;
    height: 1px;
    background-color: rgba(255,255,255,0.08);
    z-index: 0;
}

/* Responsive */
@media (max-width: 991px) {
    .process-grid-5 {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .process-grid-5::before { display: none; }
}

@media (max-width: 576px) {
    .process-grid-5 {
        grid-template-columns: 1fr;
    }
}

/* Feature Box Heading Alignment */
.feature-box h4 {
    display: flex;
    align-items: center;
    font-size: 16px;
    color: var(--x-text);
}

.feature-box h4 i {
    font-size: 18px;
    color: var(--x-blue);
}

/* App Grid 3 */
.app-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}
@media (max-width: 768px) {
    .app-grid-3 {
        grid-template-columns: 1fr;
    }
}

/* Small dot icon (utility) */
.fa-circle-small {
    font-size: 6px !important;
    vertical-align: middle;
}


/* =================================================================
   ENEPIG PAGE STYLES — PCB RETRO THEME
   ================================================================= */

/* --- LAYER STACK VISUALIZATION --- */
.layer-stack {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.layer-item {
    padding: 15px 20px;
    display: flex;
    flex-direction: column;
    border-left: 4px solid;
    background-color: var(--x-dark-light);
    border-radius: 4px;
    transition: 0.2s;
}

.layer-item:hover {
    background-color: rgba(255,255,255,0.03);
}

/* Metal-specific colors (keep real-world colors) */
.layer-item.gold { border-left-color: #FFD700; }      /* Gold ENIG */
.layer-item.palladium { border-left-color: #C0C0C0; } /* Palladium/Silver */
.layer-item.nickel { border-left-color: #708090; }    /* Nickel */
.layer-item.copper { border-left-color: #B87333; }    /* Bare Copper */

.layer-name {
    color: var(--x-text);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
}

.layer-desc {
    color: var(--x-text-muted);
    font-size: 12px;
}

/* --- STATUS COLORS --- */
.text-success { color: #10B981 !important; } /* Green check */
.text-warning { color: #F59E0B !important; } /* Yellow caution */

/* Responsive Fix */
@media (max-width: 576px) {
    .spec-col.val {
        font-size: 12px;
    }
}

/* =================================================================
   ENIG / ENEPIG LAYER STACK STYLES — PCB RETRO THEME
   ================================================================= */

.layer-stack {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.layer-item {
    padding: 15px 20px;
    display: flex;
    flex-direction: column;
    border-left: 4px solid;
    background-color: var(--x-dark-light);
    transition: 0.2s;
    border-radius: 4px;
}

.layer-item:hover {
    background-color: rgba(255,255,255,0.03);
}

/* Metallic process colors (must stay real-world colors) */
.layer-item.gold   { border-left-color: #FFD700; }
.layer-item.nickel { border-left-color: #708090; }
.layer-item.copper { border-left-color: #B87333; }

.layer-name {
    color: var(--x-text);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
}

.layer-desc {
    color: var(--x-text-muted);
    font-size: 12px;
}

/* === Dark Application Pills (Standards) === */
.app-pill-dark {
    background-color: var(--x-dark);
    border: 1px solid var(--x-border);
    border-radius: 6px;
    padding: 12px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--x-text);
    transition: 0.2s;
}

.app-pill-dark:hover {
    background-color: var(--x-dark-light);
    border-color: var(--x-border-hover);
}


/* =================================================================
   CONSUMER ELECTRONICS PAGE STYLES — PCB RETRO THEME
   ================================================================= */

/* --- 1. KEY APPLICATIONS LIST --- */
.app-list-check {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.app-list-check li {
    color: var(--x-text);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.app-list-check li i {
    color: var(--x-blue);
    font-size: 16px;
}

/* --- 2. CAPABILITY CARDS --- */
.capability-card {
    background-color: var(--x-dark-light);
    border: 1px solid var(--x-border);
    border-radius: 12px;
    padding: 30px;
    height: 100%;
    transition: 0.3s;
}

.capability-card:hover {
    border-color: var(--x-blue);
    transform: translateY(-3px);
}

/* Icon box inside card */
.icon-square {
    width: 48px;
    height: 48px;
    background-color: rgba(37, 99, 235, 0.15);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--x-blue);
    font-size: 20px;
}

.capability-card h4 {
    color: var(--x-text);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

/* --- Small Bullet List --- */
.bullet-list-small {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bullet-list-small li {
    color: var(--x-text-muted);
    font-size: 13px;
    margin-bottom: 8px;
    padding-left: 12px;
    position: relative;
    line-height: 1.5;
}

.bullet-list-small li::before {
    content: '•';
    color: var(--x-border);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* --- 3. RETRO BLUE CTA BOX (Gradient Trace-Blue) --- */
.blue-cta-box {
    background: linear-gradient(135deg, var(--x-blue) 0%, var(--x-blue-hover) 100%);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    color: #fff;
    box-shadow: 0 20px 40px rgba(0,0,0,0.25);
}

.blue-cta-box h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
}

.blue-cta-box p {
    font-size: 16px;
    max-width: 700px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.9);
}

/* CTA Button */
.btn-white-cta {
    display: inline-block;
    background-color: #fff;
    color: var(--x-blue);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    margin-top: 25px;
    transition: 0.3s;
}

.btn-white-cta:hover {
    background-color: #F3F4F6;
    transform: translateY(-2px);
}

/* --- Responsive --- */
@media (max-width: 991px) {
    .col-lg-5 {
        margin-top: 30px;
    }
}