/* ============================== */
    /* ABOUT PAGE STYLES              */
    /* ============================== */

    /* WHO WE ARE */
    .who-section {
        padding: 52px 0;
        background: var(--white);
    }

    .who-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: start;
    }

    .who-text h2 {
        font-size: 32px;
        font-weight: 800;
        color: var(--black);
        line-height: 1.2;
        margin-bottom: 20px;
    }

    .who-text > p {
        font-size: 15px;
        color: var(--dark-gray);
        line-height: 1.7;
        margin-bottom: 14px;
    }

    .who-subsection {
        margin-top: 32px;
    }

    .who-subsection h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--black);
        margin-bottom: 10px;
    }

    .who-subsection p {
        font-size: 14px;
        color: var(--dark-gray);
        line-height: 1.7;
        margin-bottom: 10px;
    }

    /* PHOTO COLLAGE */
    .who-collage {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px;
        position: relative;
    }

    .who-collage img {
        width: 100%;
        aspect-ratio: 4/3;
        object-fit: cover;
        border-radius: 6px;
        filter: grayscale(100%);
        transition: filter 0.4s;
    }

    .who-collage img:hover {
        filter: grayscale(0%);
    }

    .who-collage-badge {
        position: absolute;
        width: 48px;
        height: 48px;
        background: var(--red);
        border-radius: 50%;
        border: 3px solid white;
        z-index: 2;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 8px rgba(0,0,0,0.15);
        pointer-events: none;
    }

    .who-collage-badge img {
        width: 26px;
        height: 26px;
        object-fit: contain;
        filter: brightness(0) invert(1);
        border-radius: 0;
        aspect-ratio: auto;
    }

    /* TIMELINE - horizontal scrollable */
    .timeline-section {
        padding: 56px 0;
        background: var(--bg-gray);
        overflow: hidden;
    }

    .timeline-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 28px;
    }

    .timeline-header h2 {
        font-size: 28px;
        font-weight: 800;
        color: var(--black);
        line-height: 1.2;
    }

    .timeline-nav {
        display: flex;
        gap: 8px;
    }

    .timeline-nav button {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        border: 2px solid var(--light-gray);
        background: white;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s;
    }

    .timeline-nav button:hover {
        border-color: var(--red);
        background: var(--red);
    }

    .timeline-nav button:hover svg {
        stroke: white;
    }

    .timeline-nav button svg {
        width: 16px;
        height: 16px;
        stroke: var(--dark-gray);
        fill: none;
        stroke-width: 2.5;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

    .timeline-track {
        display: flex;
        gap: 16px;
        overflow-x: auto;
        scroll-behavior: smooth;
        padding-bottom: 8px;
        -ms-overflow-style: none;
        scrollbar-width: none;
        cursor: grab;
        user-select: none;
    }
    .timeline-track.dragging {
        cursor: grabbing;
        scroll-behavior: auto;
    }
    .timeline-track.dragging .timeline-card {
        pointer-events: none;
    }

    .timeline-track::-webkit-scrollbar {
        display: none;
    }

    .timeline-card {
        flex: 0 0 220px;
        min-width: 220px;
        background: white;
        border-radius: 10px;
        padding: 20px;
        border: 1px solid var(--light-gray);
        transition: box-shadow 0.2s;
    }

    .timeline-card:hover {
        box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    }

    /* 2001 nostalgic hover image */
    .timeline-card-2001 {
        position: relative;
    }

    .timeline-card-2001 .timeline-photo {
        position: absolute;
        bottom: calc(100% + 12px);
        left: 50%;
        transform: translateX(-50%) scale(0.92);
        width: 220px;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 8px 32px rgba(0,0,0,0.18);
        padding: 8px 8px 6px;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.35s ease, transform 0.35s ease;
        z-index: 20;
    }

    .timeline-card-2001:hover .timeline-photo {
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }

    .timeline-card-2001 .timeline-photo img {
        width: 100%;
        display: block;
        border-radius: 4px;
        filter: sepia(0.25) contrast(0.95);
    }

    .timeline-card-2001 .timeline-photo span {
        display: block;
        text-align: center;
        font-size: 11px;
        color: var(--mid-gray);
        font-style: italic;
        margin-top: 6px;
        line-height: 1.4;
    }

    .timeline-year {
        font-size: 26px;
        font-weight: 800;
        color: var(--red);
        margin-bottom: 8px;
        line-height: 1;
    }

    .timeline-card h4 {
        font-size: 14px;
        font-weight: 700;
        color: var(--black);
        margin-bottom: 6px;
        line-height: 1.3;
    }

    .timeline-card p {
        font-size: 13px;
        color: var(--dark-gray);
        line-height: 1.55;
    }

    .timeline-scroll-hint {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        margin-top: 20px;
        color: var(--mid-gray);
        font-size: 13px;
        transition: opacity 0.4s;
    }

    .timeline-scroll-hint.hidden {
        opacity: 0;
        pointer-events: none;
    }

    .timeline-scroll-hint svg {
        width: 18px;
        height: 18px;
        stroke: var(--red);
        fill: none;
        stroke-width: 2;
        stroke-linecap: round;
        stroke-linejoin: round;
        animation: bounceRight 1.5s ease-in-out infinite;
    }

    @keyframes bounceRight {
        0%, 100% { transform: translateX(0); }
        50% { transform: translateX(5px); }
    }

    .timeline-follow {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 20px;
        margin-top: 36px;
        padding-top: 28px;
        border-top: 1px solid var(--light-gray);
        flex-wrap: wrap;
    }

    .timeline-follow p {
        font-size: 14px;
        color: var(--dark-gray);
        line-height: 1.5;
        margin: 0;
    }

    .timeline-follow-links {
        display: flex;
        gap: 10px;
    }

    .timeline-follow-links a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: white;
        border: 2px solid var(--light-gray);
        transition: all 0.2s;
    }

    .timeline-follow-links a:hover {
        border-color: var(--red);
        background: var(--red);
    }

    .timeline-follow-links a svg {
        width: 16px;
        height: 16px;
        fill: var(--dark-gray);
        transition: fill 0.2s;
    }

    .timeline-follow-links a:hover svg {
        fill: white;
    }

    @media (max-width: 768px) {
        .timeline-follow {
            flex-direction: column;
            text-align: center;
            gap: 14px;
        }
    }

    /* EXPERTS BANNER */
    .experts-banner {
        padding: 56px 0;
        background: var(--black);
        color: white;
    }

    .experts-banner-inner {
        text-align: center;
    }

    .experts-banner-inner h2 {
        font-size: 36px;
        font-weight: 800;
        margin-bottom: 16px;
    }

    .experts-banner-inner p {
        font-size: 16px;
        color: rgba(255,255,255,0.7);
        max-width: 560px;
        margin: 0 auto 48px;
        line-height: 1.7;
    }

    .experts-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .experts-card {
        padding: 32px 20px;
        background: rgba(255,255,255,0.05);
        border-radius: 12px;
        border: 1px solid rgba(255,255,255,0.1);
        text-align: center;
    }

    .experts-card-icon {
        width: 56px;
        height: 56px;
        background: rgba(204,51,51,0.15);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 16px;
    }

    .experts-card-icon svg {
        width: 24px;
        height: 24px;
        stroke: var(--red);
        fill: none;
        stroke-width: 2;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

    .experts-card h4 {
        font-size: 16px;
        font-weight: 700;
        color: white;
        margin-bottom: 8px;
    }

    .experts-card p {
        font-size: 13px;
        color: rgba(255,255,255,0.5);
        line-height: 1.5;
    }

    /* SERVICES SECTION - alternating layout with expandable details */
    .services-section {
        padding: 56px 0;
        background: var(--white);
    }

    .service-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
        padding: 44px 0;
        border-bottom: 1px solid #f0f0f0;
        scroll-margin-top: 24px;
    }

    .service-row:last-of-type {
        border-bottom: none;
    }

    .service-row.reverse .service-image {
        order: 2;
    }

    .service-image {
        border-radius: 12px;
        overflow: hidden;
        height: 340px;
    }

    .service-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .service-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 20px;
    }

    .service-icon svg {
        width: 48px;
        height: 48px;
        stroke: var(--red);
        fill: none;
        stroke-width: 1.5;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

    .service-text h3 {
        font-size: 28px;
        font-weight: 800;
        color: var(--black);
        line-height: 1.2;
        margin-bottom: 16px;
    }

    .service-text p {
        font-size: 15px;
        color: var(--dark-gray);
        line-height: 1.7;
        margin-bottom: 20px;
    }

    .service-learn-more {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 700;
        color: var(--red);
        text-decoration: none;
        cursor: pointer;
        transition: gap 0.2s;
        background: none;
        border: none;
        padding: 0;
    }

    .service-learn-more:hover {
        gap: 10px;
    }

    .service-learn-more svg {
        width: 16px;
        height: 16px;
        stroke: currentColor;
        fill: none;
        stroke-width: 2.5;
        transition: transform 0.3s;
    }

    .service-learn-more.open svg {
        transform: rotate(90deg);
    }

    /* Expandable detail panel */
    .service-detail {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease;
        background: var(--bg-gray);
        border-radius: 12px;
        margin-bottom: 8px;
        scroll-margin-top: 80px;
    }

    .service-detail.open {
        max-height: 4000px;
    }

    .service-detail-inner {
        padding: 48px;
    }

    .service-detail-inner h4 {
        font-size: 20px;
        font-weight: 700;
        color: var(--black);
        margin-bottom: 10px;
        margin-top: 32px;
    }

    .service-detail-inner h4:first-child {
        margin-top: 0;
    }

    .service-detail-inner p {
        font-size: 15px;
        color: var(--dark-gray);
        line-height: 1.7;
        margin-bottom: 12px;
    }

    .service-detail-gallery {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 16px;
        margin-top: 32px;
        margin-bottom: 16px;
    }

    .service-detail-gallery img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-radius: 8px;
    }

    /* Training/book banner inside service detail */
    .service-banner {
        margin-top: 32px;
        padding: 28px 32px;
        background: white;
        border: 1px solid var(--light-gray);
        border-left: 4px solid var(--red);
        border-radius: 8px;
        display: flex;
        align-items: center;
        gap: 24px;
    }

    .service-banner img {
        width: 80px;
        height: auto;
        border-radius: 4px;
        flex-shrink: 0;
    }

    .service-banner-text h5 {
        font-size: 16px;
        font-weight: 700;
        color: var(--black);
        margin-bottom: 6px;
    }

    .service-banner-text p {
        font-size: 14px;
        color: var(--dark-gray);
        line-height: 1.5;
        margin-bottom: 10px;
    }

    .service-banner-text a {
        font-size: 13px;
        font-weight: 700;
        color: var(--red);
        text-decoration: none;
    }

    /* INSTALLER CTA */
    .installer-cta {
        padding: 56px 0;
        background: linear-gradient(135deg, var(--black) 0%, #2a2a2a 100%);
        color: white;
    }

    .installer-cta-inner {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 60px;
        align-items: center;
    }

    .installer-cta-inner h2 {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 16px;
    }

    .installer-cta-inner p {
        font-size: 16px;
        color: rgba(255,255,255,0.7);
        line-height: 1.7;
        margin-bottom: 12px;
    }

    .installer-benefits {
        list-style: none;
        margin-bottom: 28px;
    }

    .installer-benefits li {
        font-size: 15px;
        color: rgba(255,255,255,0.8);
        padding: 6px 0;
        padding-left: 22px;
        position: relative;
    }

    .installer-benefits li::before {
        content: '\2713';
        position: absolute;
        left: 0;
        color: var(--red);
        font-weight: 700;
    }

    /* HELICASOL SECTION */
    .helicasol-section {
        padding: 56px 0;
        background: var(--bg-gray);
    }

    .helicasol-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }

    .helicasol-logo {
        height: 44px;
        width: auto;
        margin-bottom: 16px;
    }

    .helicasol-content h2 {
        font-size: 32px;
        font-weight: 800;
        color: var(--black);
        line-height: 1.2;
        margin-bottom: 20px;
    }

    .helicasol-content p {
        font-size: 16px;
        color: var(--dark-gray);
        line-height: 1.7;
        margin-bottom: 16px;
    }

    .helicasol-services {
        list-style: none;
        margin-bottom: 28px;
    }

    .helicasol-services li {
        font-size: 15px;
        color: var(--dark-gray);
        padding: 6px 0;
        padding-left: 22px;
        position: relative;
    }

    .helicasol-services li::before {
        content: '\2713';
        position: absolute;
        left: 0;
        color: var(--red);
        font-weight: 700;
    }

    .helicasol-gallery {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        border-radius: 12px;
        overflow: hidden;
    }

    .helicasol-gallery-item {
        height: 196px;
        overflow: hidden;
    }

    .helicasol-gallery-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .helicasol-gallery-item:first-child img {
        object-position: center 60%;
    }

    .helicasol-gallery-caption {
        grid-column: 1 / -1;
        text-align: center;
        font-size: 14px;
        color: var(--mid-gray);
        margin: 4px 0 0;
    }
    .helicasol-gallery-caption a {
        color: var(--black);
        font-weight: 600;
        text-decoration: none;
    }
    .helicasol-gallery-caption a:hover {
        color: var(--red);
    }

    /* PROJECTS SECTION */
    .projects-section {
        padding: 56px 0;
        background: var(--white);
    }

    .projects-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .project-card {
        border-radius: 12px;
        overflow: hidden;
        border: 1px solid var(--light-gray);
        transition: box-shadow 0.3s;
        text-decoration: none;
        color: inherit;
        display: block;
    }

    .project-card:hover {
        box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    }

    .project-card-image {
        height: 200px;
        background: var(--bg-gray);
        position: relative;
        overflow: hidden;
    }

    .project-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .project-card-body {
        padding: 22px;
    }

    .project-card-body h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--black);
        margin-bottom: 8px;
        line-height: 1.3;
    }

    .project-card-body p {
        font-size: 14px;
        color: var(--dark-gray);
        line-height: 1.6;
        margin-bottom: 14px;
    }

    .project-tag {
        display: inline-block;
        padding: 4px 12px;
        background: var(--bg-gray);
        border-radius: 4px;
        font-size: 12px;
        font-weight: 600;
        color: var(--mid-gray);
        margin-right: 6px;
    }

    /* BOOK A CALL */
    .book-call-section {
        padding: 48px 0;
        background: var(--bg-gray);
    }

    .book-call-inner {
        max-width: 680px;
        margin: 0 auto;
        text-align: center;
    }

    .book-call-inner h2 {
        font-size: 28px;
        font-weight: 800;
        color: var(--black);
        line-height: 1.2;
        margin-bottom: 12px;
    }

    .book-call-inner p {
        font-size: 15px;
        color: var(--dark-gray);
        line-height: 1.7;
        margin-bottom: 24px;
    }

    .book-call-buttons {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* RESPONSIVE */
    @media (max-width: 1024px) {
        .who-layout { grid-template-columns: 1fr; }
        .who-collage { max-width: 500px; }
        .who-collage img { filter: none; }
        .service-row { grid-template-columns: 1fr; gap: 32px; padding: 48px 0; }
        .service-row.reverse .service-image { order: 0; }
        .service-image { height: 300px; }
        .installer-cta-inner { grid-template-columns: 1fr; }
        .helicasol-layout { grid-template-columns: 1fr; }
        .helicasol-gallery { max-width: 500px; }
        .experts-grid { grid-template-columns: repeat(2, 1fr); }
        .service-detail-gallery { grid-template-columns: 1fr 1fr; }
        .service-detail-inner { padding: 32px; }
        .service-banner { flex-direction: column; text-align: center; }
    }

    @media (max-width: 768px) {
        .projects-grid { grid-template-columns: 1fr; }
        .experts-grid { grid-template-columns: 1fr; }
        .page-hero h1 { font-size: 32px; }
        .who-text h2 { font-size: 26px; }
        .experts-banner-inner h2 { font-size: 28px; }
        .installer-cta-inner h2 { font-size: 26px; }
        .book-call-inner h2 { font-size: 26px; }
        .service-row { padding: 36px 0; }
        .service-image { height: 240px; }
        .service-text h3 { font-size: 24px; }
        .service-detail-gallery { grid-template-columns: 1fr; }
        .service-detail-inner { padding: 24px; }
        .who-collage { max-width: 100%; }
        .timeline-nav button { width: 44px; height: 44px; }
        .timeline-card-2001 .timeline-photo {
            position: relative;
            bottom: auto;
            left: auto;
            transform: none;
            opacity: 1;
            pointer-events: auto;
            width: 100%;
            margin-bottom: 12px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.1);
        }
        .service-learn-more { padding: 8px 0; min-height: 44px; }
        .contact-strip-phone { font-size: 24px; }
        .contact-strip-email { font-size: 18px; }
    }