/*
 * Case studies section (/cases/ and /cases/{slug}/).
 *
 * Written as plain CSS on purpose: the site's Tailwind bundle (css/output.css)
 * is built from khalaq_design/ and does not scan .php files, so utility classes
 * that are not already in the bundle would not exist at runtime. Brand tokens
 * below mirror khalaq_design/tailwind.config.js.
 *
 * Source of truth: khalaq_design/css/cases.css (identical copy).
 */

.cases-page {
    --case-blue: #6375E4;
    --case-blue-light: #CED3F2;
    --case-black: #121212;
    --case-gray-text: #615F5F;
    --case-gray-soft: #858585;
    --case-gray-bg: #EAEAEA;
    --case-line: #DFDFDF;

    padding-bottom: 60px;
}

.cases-page a {
    outline: 0;
}

/* ------------------------------------------------------------- list hero */

.cases-hero {
    margin-top: 40px;
}

.cases-hero-label,
.case-section-label {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.cases-hero h1 {
    font-size: 40px;
    line-height: 105%;
    font-weight: 800;
    margin-top: 10px;
}

.cases-hero-text {
    font-size: 16px;
    line-height: 150%;
    margin-top: 20px;
    max-width: 70ch;
}

/* ---------------------------------------------------------------- filter */

.cases-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 30px;
}

.cases-filter-pill {
    font-size: 14px;
    line-height: 110%;
    padding: 10px 18px;
    border-radius: 10px;
    background-color: var(--case-gray-bg);
    color: #4F4F4F;
    border: 0;
    cursor: pointer;
    transition: background-color .15s ease, color .15s ease;
}

.cases-filter-pill:hover {
    background-color: var(--case-blue-light);
}

.cases-filter-pill.active {
    background-color: var(--case-blue);
    color: #FFFFFF;
}

.cases-filter-pill .count {
    opacity: .6;
    margin-left: 4px;
    font-size: 12px;
}

.cases-empty {
    margin-top: 40px;
    font-size: 16px;
    text-align: center;
}

/* ----------------------------------------------------------------- cards */

.cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 25px;
}

.case-card {
    display: flex;
    flex-direction: column;
    padding: 25px;
    border-radius: 15px;
    transition: transform .15s ease, box-shadow .15s ease;
}

/* The filter toggles Tailwind's .hidden, but .case-card/.cases-empty declare
   their own display and are loaded after output.css — so they need to lose
   explicitly, hence the extra specificity here. */
.cases-grid .case-card.hidden,
.cases-empty.hidden {
    display: none;
}

.case-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(99, 117, 228, .14);
}

.case-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 18px;
}

.case-id {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--case-blue);
}

.case-category {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--case-gray-soft);
    text-align: right;
}

.case-card-title {
    font-size: 20px;
    line-height: 120%;
    font-weight: 800;
}

.case-card-problem {
    font-size: 15px;
    line-height: 145%;
    margin-top: 10px;
    flex-grow: 1;
}

.case-card-metric {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--case-line);
}

.case-card-metric .value {
    font-size: 30px;
    line-height: 100%;
    font-weight: 800;
}

.case-card-metric .label {
    font-size: 13px;
    line-height: 130%;
}

.case-card-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 16px;
}

.case-tag {
    display: inline-block;
    font-size: 12px;
    line-height: 110%;
    padding: 7px 12px;
    border-radius: 8px;
    background-color: var(--case-gray-bg);
    color: #4F4F4F;
}

.case-card-cta {
    font-size: 14px;
    font-weight: 700;
    margin-top: 20px;
}

/* ----------------------------------------------------------- detail page */

.case-breadcrumbs {
    margin-top: 30px;
    font-size: 13px;
    color: var(--case-gray-soft);
}

.case-breadcrumbs a {
    color: var(--case-gray-soft);
}

.case-breadcrumbs a:hover {
    color: var(--case-blue);
}

.case-breadcrumbs span {
    margin: 0 6px;
}

.case-breadcrumbs .current {
    color: var(--case-black);
}

.case-hero {
    margin-top: 20px;
}

.case-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.case-meta span {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 7px 12px;
    border-radius: 8px;
    background-color: var(--case-gray-bg);
    color: #4F4F4F;
}

.case-meta .case-category {
    background-color: var(--case-blue);
    color: #FFFFFF;
    text-align: left;
}

.case-meta .case-market {
    background-color: var(--case-blue-light);
    color: #2B3480;
}

.case-hero h1 {
    font-size: 32px;
    line-height: 115%;
    font-weight: 800;
}

.case-intro {
    font-size: 17px;
    line-height: 150%;
    margin-top: 18px;
    max-width: 75ch;
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 30px;
}

.case-metric {
    border-radius: 15px;
    padding: 22px 20px;
}

.case-metric .number {
    font-size: 30px;
    line-height: 100%;
    font-weight: 800;
}

.case-metric .caption {
    font-size: 13px;
    line-height: 130%;
    margin-top: 8px;
}

.case-section {
    margin-top: 50px;
}

.case-section-body h2 {
    font-size: 24px;
    line-height: 115%;
    font-weight: 800;
    margin-top: 8px;
}

.case-section-body p {
    font-size: 16px;
    line-height: 155%;
    margin-top: 15px;
    max-width: 75ch;
}

.case-modules {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 20px;
}

.case-module {
    border-radius: 15px;
    padding: 25px;
}

.case-module-number {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.case-module h3 {
    font-size: 18px;
    line-height: 120%;
    font-weight: 800;
    margin-top: 6px;
}

.case-module p {
    font-size: 15px;
    line-height: 145%;
    margin-top: 8px;
}

.case-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.case-visual {
    margin-top: 25px;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
}

.case-visual img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

/* ---------------------------------------------------------- shot slider */

.case-slides {
    display: flex;
    align-items: flex-start;
    overflow-x: auto;
    transition: height .2s ease;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.case-slides::-webkit-scrollbar {
    display: none;
}

.case-shot {
    flex: 0 0 100%;
    width: 100%;
    scroll-snap-align: start;
}

.case-slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.case-slider-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background-color: var(--case-gray-bg);
    cursor: pointer;
    transition: background-color .15s ease, transform .15s ease;
}

.case-slider-dot:hover {
    background-color: var(--case-blue-light);
}

.case-slider-dot.active {
    background-color: var(--case-blue);
    transform: scale(1.2);
}

.case-illustration {
    width: 100%;
    max-width: 600px;
    height: auto;
}

.case-illustration .cs-fill {
    fill: var(--case-blue);
}

.case-illustration .cs-soft {
    fill: var(--case-blue-light);
}

.case-illustration .cs-line-fill {
    fill: var(--case-gray-bg);
}

.case-illustration .cs-line {
    stroke: var(--case-line);
    stroke-width: 2;
    fill: none;
}

.case-illustration .cs-stroke {
    stroke: var(--case-blue);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.case-visual-note {
    font-size: 13px;
    margin-top: 15px;
}

.case-impact {
    margin-top: 20px;
    max-width: 75ch;
}

.case-impact li {
    position: relative;
    font-size: 15px;
    line-height: 150%;
    padding-left: 22px;
    margin-top: 12px;
}

.case-impact li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--case-blue);
}

.case-quote {
    margin-top: 50px;
    border-radius: 15px;
    padding: 30px 25px;
}

.case-quote blockquote {
    font-size: 18px;
    line-height: 140%;
    font-weight: 700;
    margin-top: 15px;
    max-width: 65ch;
}

.case-quote-role {
    font-size: 13px;
    margin-top: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* -------------------------------------------------------------- cta block */

.case-cta {
    margin-top: 60px;
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
}

.case-cta h2 {
    font-size: 26px;
    line-height: 115%;
    font-weight: 800;
}

.case-cta p {
    font-size: 16px;
    line-height: 150%;
    margin: 12px auto 0;
    max-width: 60ch;
    color: #E8EAF5;
}

.case-cta-button {
    display: inline-block;
    margin-top: 25px;
    padding: 16px 40px;
    border-radius: 100px;
    background-color: #FFFFFF;
    color: var(--case-blue);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.04em;
    transition: transform .15s ease;
}

.case-cta-button:hover {
    transform: translateY(-2px);
}

.case-related {
    margin-top: 60px;
}

.case-related h2 {
    font-size: 24px;
    line-height: 115%;
    font-weight: 800;
}

/* ------------------------------------------------------- featured on home */

.home-cases-block {
    margin-top: 70px;
}

.home-cases-block .sub-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.home-cases-block .title {
    font-size: 30px;
    line-height: 110%;
    font-weight: 800;
    margin-top: 8px;
}

.home-cases-block .home-cases-link {
    display: inline-block;
    margin-top: 25px;
    padding: 14px 32px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

/* ----------------------------------------------------------- breakpoints */

@media (min-width: 640px) {
    .cases-hero h1 { font-size: 56px; }
    .cases-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .case-hero h1 { font-size: 42px; }
    .case-metrics { grid-template-columns: repeat(4, 1fr); gap: 15px; }
    .case-modules { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .case-cta { padding: 50px 40px; }
    .case-cta h2 { font-size: 32px; }
    .home-cases-block .title { font-size: 40px; }
}

@media (min-width: 1024px) {
    .cases-page { padding-bottom: 90px; }
    .cases-hero { margin-top: 60px; }
    .cases-hero h1 { font-size: 76px; }
    .cases-hero-text { font-size: 18px; }
    .case-hero h1 { font-size: 52px; }
    .case-intro { font-size: 19px; }

    .case-section {
        display: grid;
        grid-template-columns: 1fr 3fr;
        gap: 20px;
        margin-top: 70px;
    }

    .case-section-label { padding-top: 10px; }
    .case-section-body h2 { margin-top: 0; }
    .case-modules { grid-template-columns: repeat(2, 1fr); }
    .case-quote { padding: 45px 50px; }
    .case-related { margin-top: 80px; }
}

@media (min-width: 1280px) {
    .cases-grid { grid-template-columns: repeat(3, 1fr); }
    .cases-hero h1 { font-size: 96px; }
    .case-hero h1 { font-size: 60px; max-width: 22ch; }
    .case-card { padding: 30px; }
    .case-card-title { font-size: 22px; }
    .case-cta { padding: 60px 50px; }
    .case-cta h2 { font-size: 38px; }
}