/* ============================
   RESET & BASE
   ============================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
     font-family: 'Roboto', sans-serif;
    background-color: #f5f5f0;
    color: #1a1a1a;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ============================
   HEADER
   ============================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: #F6FBFB;
    border-bottom: 1px solid #e5e5e0;
    padding: 20px 40px;
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.logo {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.header-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.back-link {
    font-size: 14px;
    color: #444;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: #000;
}

.main-nav {
    display: flex;
    gap: 4px;
    font-size: 14px;
}

.main-nav a {
    font-size: 14px;
    color: #555;
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: #000;
}

/* ============================
   MAIN LAYOUT
   ============================ */
.case-study {
    padding: 60px 40px 100px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 80px;
}

/* ============================
   SIDEBAR (LEFT NAV)
   ============================ */
.sidebar {
    position: relative;
}

.sidebar-inner {
    position: sticky;
    top: 100px;
}

.sidebar-label {
    font-family: 'Roboto', sans-serif;
    font-size: 11px;
    letter-spacing: 1.5px;
    color: #999;
    margin-bottom: 24px;
    font-weight: 500;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 10px;
}

.sidebar-nav a {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    color: #aaa;
    transition: color 0.3s ease;
    line-height: 1.5;
    padding: 4px 0;
}

.sidebar-nav a::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 1px;
    background-color: #ccc;
    margin-top: 11px;
    flex-shrink: 0;
    transition: background-color 0.3s ease, width 0.3s ease;
}

.sidebar-nav a:hover {
    color: #333;
}

.sidebar-nav a.active {
    color: #1a1a1a;
    font-weight: 500;
}

.sidebar-nav a.active::before {
    background-color: #1a1a1a;
    width: 30px;
}

/* ============================
   CONTENT (RIGHT SIDE)
   ============================ */
.content {
    max-width: 920px;
}

.section {
    margin-bottom: 60px;
    scroll-margin-top: 100px;
}

.section:last-child {
    margin-bottom: 0;
}

.section-eyebrow {
    font-family: 'Roboto', sans-serif;
    font-size: 12px;
    letter-spacing: 1.5px;
    color: #555;
    margin-bottom: 24px;
    font-weight: 500;
}

.section-title {
     font-family: 'Roboto', sans-serif;
    font-size: 38px;
    line-height: 1.2;
    font-weight: 400;
    color: #1a1a1a;
    margin-bottom: 32px;
    letter-spacing: -0.5px;
}

.section-text {
     font-family: 'Roboto', sans-serif;
    font-size: 17px;
    line-height: 1.7;
    color: #333;
    margin-bottom: 20px;
}

.para-padding{
   
    padding-bottom: 10px;
}

/* ============================
   IMAGE GRIDS
   ============================ */
.image-grid {
    margin-top: 48px;
    display: grid;
    gap: 12px;
}

.image-grid.one-col {
    grid-template-columns: 1fr;
}

.image-grid.two-col {
    grid-template-columns: 1fr 1fr;
}

.image-grid.three-col {
    grid-template-columns: 1fr 1fr 1fr;
}

.image-block {
    overflow: hidden;
    background-color: #e5e5e0;
    aspect-ratio: 4 / 3;
}

.image-block img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.image-block:hover img {
    transform: scale(1.02);
}

/* ============================
   FOOTER
   ============================ */
.site-footer {
    border-top: 1px solid #e5e5e0;
    padding: 40px;
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
     font-family: 'Roboto', sans-serif;
    font-size: 13px;
    color: #888;
}

/* ============================
   RESPONSIVE — TABLET
   ============================ */
@media (max-width: 1024px) {
    .container {
        grid-template-columns: 200px 1fr;
        gap: 50px;
    }

    .section-title {
        font-size: 32px;
    }

    .header-nav {
        position: static;
        transform: none;
    }
}

/* ============================
   RESPONSIVE — MOBILE
   ============================ */
@media (max-width: 768px) {
    .site-header {
        padding: 16px 20px;
    }

    .header-inner {
        flex-wrap: wrap;
        gap: 12px;
    }

    .main-nav {
        display: none;
    }

    .header-nav {
        position: static;
        transform: none;
    }

    .case-study {
        padding: 30px 20px 60px;
    }

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

    /* Sidebar becomes horizontal scroll on mobile */
    .sidebar-inner {
        position: relative;
        top: 0;
        padding-bottom: 12px;
        border-bottom: 1px solid #e5e5e0;
    }

    .sidebar-nav {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .sidebar-nav::-webkit-scrollbar {
        display: none;
    }

    .sidebar-nav li {
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .sidebar-nav a {
        padding: 8px 14px;
        border: 1px solid #ddd;
        border-radius: 20px;
        font-size: 13px;
        white-space: nowrap;
    }

    .sidebar-nav a::before {
        display: none;
    }

    .sidebar-nav a.active {
        background-color: #1a1a1a;
        color: #fff;
        border-color: #1a1a1a;
    }

    .section {
        margin-bottom: 70px;
        scroll-margin-top: 140px;
    }

    .section-title {
        font-size: 26px;
        margin-bottom: 20px;
    }

    .section-text {
        font-size: 16px;
    }

    .image-grid {
        margin-top: 32px;
    }

    .image-grid.two-col,
    .image-grid.three-col {
        grid-template-columns: 1fr;
    }
    
    
    /*******************************************************************************/
    
    
    
    
    
    
    
}