/* ==========================================================================
   WEBTOS CASE STUDIES — FIXED RESPONSIVE 3D GRID
   Replace: assets/css/case-studies.css
   ========================================================================== */

.case-studies-page {
    --cs-red: var(--color-red, #c0150f);
    --cs-white: var(--color-white, #ffffff);
    --cs-text: var(--color-gray-text, #9c9c9c);

    width: 100%;
    overflow: hidden;
    color: var(--cs-white);
    background:
        radial-gradient(circle at 12% 4%, rgba(192, 21, 15, 0.07), transparent 24%),
        #050505;
}

.case-studies-container {
    width: min(1400px, calc(100% - 4rem));
    margin-inline: auto;
}

.case-studies-label {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--cs-red);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.case-studies-label::before {
    content: "";
    width: 24px;
    height: 1px;
    background: currentColor;
}

/* Hero */

.case-studies-hero {
    position: relative;
    min-height: 680px;
    padding: 6rem 0;
    display: flex;
    align-items: center;
    isolation: isolate;
}

.case-studies-hero::before {
    content: "";
    position: absolute;
    top: -160px;
    left: -180px;
    width: 620px;
    height: 620px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(192, 21, 15, 0.13), transparent 68%);
    z-index: -1;
}

.case-studies-breadcrumb {
    margin-bottom: 3rem;
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    color: #575757;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.case-studies-breadcrumb a {
    color: #777;
}

.case-studies-breadcrumb a:hover {
    color: #fff;
}

.case-studies-breadcrumb span[aria-current="page"] {
    color: var(--cs-red);
}

.case-studies-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
    gap: 5rem;
    align-items: center;
}

.case-studies-hero-copy h1 {
    max-width: 900px;
    margin: 18px 0 24px;
    color: #fff;
    font-size: clamp(48px, 6vw, 82px);
    line-height: 1.02;
    font-weight: 800;
    letter-spacing: -0.055em;
}

.case-studies-hero-copy h1 span {
    color: var(--cs-red);
    text-shadow: 0 0 36px rgba(192, 21, 15, 0.3);
}

.case-studies-hero-copy p {
    max-width: 720px;
    color: var(--cs-text);
    font-size: 16px;
    line-height: 1.8;
}

.case-studies-hero-scene {
    position: relative;
    min-height: 440px;
    perspective: 1200px;
}

.case-studies-hero-panel {
    position: absolute;
    inset: 5%;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background:
        radial-gradient(circle at 100% 0%, rgba(192, 21, 15, 0.1), transparent 42%),
        linear-gradient(145deg, #101010, #090909);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    box-shadow: 0 45px 100px rgba(0, 0, 0, 0.5);
    transform: rotateY(-9deg) rotateX(3deg);
    animation: caseHeroFloat 7s ease-in-out infinite;
}

.case-studies-hero-panel > span {
    color: #696969;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.case-studies-panel-number {
    color: #fff;
    font-size: clamp(72px, 8vw, 110px);
    line-height: 0.9;
    font-weight: 800;
    letter-spacing: -0.08em;
}

.case-studies-panel-number span {
    color: var(--cs-red);
}

.case-studies-panel-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.case-studies-panel-stats div {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 9px;
}

.case-studies-panel-stats strong {
    display: block;
    margin-bottom: 6px;
    color: #fff;
    font-size: 18px;
}

.case-studies-panel-stats small {
    color: #676767;
    font-size: 8px;
    font-weight: 700;
    text-transform: uppercase;
}

.case-studies-hero-orbit {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 160px;
    height: 160px;
    border: 1px solid rgba(192, 21, 15, 0.2);
    border-radius: 50%;
    animation: caseOrbit 14s linear infinite;
}

.case-studies-hero-orbit::before,
.case-studies-hero-orbit::after {
    content: "";
    position: absolute;
    border-radius: 50%;
}

.case-studies-hero-orbit::before {
    inset: 24px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.case-studies-hero-orbit::after {
    top: -5px;
    left: 50%;
    width: 10px;
    height: 10px;
    background: var(--cs-red);
    box-shadow: 0 0 18px rgba(192, 21, 15, 0.75);
}

/* Filters */

.case-studies-filter-section {
    position: sticky;
    top: 90px;
    z-index: 15;
    padding: 1rem 0;
    background: rgba(7, 7, 7, 0.88);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(16px);
}

.case-studies-filter-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.case-studies-filter-copy {
    color: #777;
    font-size: 11px;
}

.case-studies-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.case-studies-filter-button {
    padding: 9px 13px;
    color: #898989;
    background: #0d0d0d;
    border: 1px solid rgba(255, 255, 255, 0.055);
    border-radius: 100px;
    cursor: pointer;
    font: inherit;
    font-size: 10px;
    font-weight: 700;
    transition: 0.25s ease;
}

.case-studies-filter-button:hover,
.case-studies-filter-button.is-active {
    color: #fff;
    background: rgba(192, 21, 15, 0.12);
    border-color: rgba(192, 21, 15, 0.34);
}

/* Listing */

.case-studies-listing-section {
    padding: 7rem 0 8rem;
}

.case-studies-section-heading {
    max-width: 820px;
    margin-bottom: 4rem;
}

.case-studies-section-heading h2 {
    margin: 14px 0 18px;
    color: #fff;
    font-size: clamp(34px, 4vw, 54px);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.case-studies-section-heading p {
    color: var(--cs-text);
    font-size: 15px;
    line-height: 1.75;
}

/* Critical fix: always two readable columns on desktop */
.case-studies-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 1.75rem !important;
    align-items: stretch;
    perspective: 1400px;
}

.case-study-card,
.case-study-card:nth-child(n) {
    grid-column: auto !important;
    width: 100% !important;
    min-width: 0 !important;
    min-height: 540px;
    transform-style: preserve-3d;
    will-change: transform;
    transition:
        transform 0.2s ease,
        opacity 0.3s ease;
}

.case-study-card-link {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    color: inherit;
    background:
        radial-gradient(circle at 100% 0%, rgba(192, 21, 15, 0.07), transparent 43%),
        linear-gradient(145deg, #0d0d0d, #080808);
    border: 1px solid rgba(255, 255, 255, 0.055);
    border-radius: 16px;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.35);
    transition:
        border-color 0.35s ease,
        box-shadow 0.35s ease;
}

.case-study-card:hover .case-study-card-link {
    border-color: rgba(192, 21, 15, 0.26);
    box-shadow: 0 38px 90px rgba(0, 0, 0, 0.5);
}

.case-study-card-visual {
    position: relative;
    min-height: 300px;
    overflow: hidden;
    isolation: isolate;
}

.case-study-card-visual::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent 62%),
        repeating-linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.018) 0,
            rgba(255, 255, 255, 0.018) 1px,
            transparent 1px,
            transparent 58px
        );
}

.case-study-card-visual::after {
    content: "";
    position: absolute;
    top: 12%;
    right: 9%;
    width: 170px;
    height: 170px;
    border: 1px solid rgba(192, 21, 15, 0.18);
    border-radius: 50%;
    box-shadow:
        0 0 0 28px rgba(192, 21, 15, 0.025),
        0 0 0 58px rgba(192, 21, 15, 0.015);
    animation: caseCardOrbit 12s linear infinite;
}

.case-study-card-visual[data-tone="commerce"] {
    background: linear-gradient(135deg, #151515, #090909 48%, #180707);
}

.case-study-card-visual[data-tone="fashion"] {
    background: linear-gradient(135deg, #121212, #090909 45%, #1b0808);
}

.case-study-card-visual[data-tone="education"] {
    background: linear-gradient(135deg, #111111, #080808 48%, #170909);
}

.case-study-card-visual[data-tone="realestate"] {
    background: linear-gradient(135deg, #141414, #090909 46%, #190707);
}

.case-study-card-visual[data-tone="technology"] {
    background: linear-gradient(135deg, #101010, #070707 48%, #160606);
}

.case-study-visual-shape {
    position: absolute;
    z-index: 0;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(145deg, rgba(255,255,255,.05), rgba(255,255,255,.01));
    box-shadow: 0 30px 70px rgba(0,0,0,.36);
}

.case-study-visual-shape-one {
    top: 17%;
    left: 11%;
    width: 48%;
    height: 54%;
    border-radius: 14px;
    transform: rotateY(32deg) rotateX(8deg) rotateZ(-7deg);
}

.case-study-visual-shape-two {
    top: 12%;
    right: 11%;
    width: 30%;
    height: 64%;
    border-radius: 14px;
    transform: translateZ(42px) rotateY(-28deg) rotateZ(8deg);
    border-color: rgba(192, 21, 15, 0.18);
    background: linear-gradient(145deg, rgba(192,21,15,.12), rgba(192,21,15,.02));
}

.case-study-visual-data {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 3;
    padding: 2rem;
}

.case-study-visual-label {
    display: block;
    margin-bottom: 0.8rem;
    color: #666;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.case-study-visual-number {
    max-width: 100%;
    color: #fff;
    font-size: clamp(34px, 3.4vw, 56px);
    line-height: 1;
    font-weight: 800;
    letter-spacing: -0.05em;
    overflow-wrap: anywhere;
}

.case-study-visual-number span {
    color: var(--cs-red);
}

.case-study-card-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.case-study-card-topline {
    margin-bottom: 1.2rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.case-study-card-category {
    color: var(--cs-red);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.case-study-card-market {
    color: #616161;
    font-size: 9px;
    font-weight: 700;
    text-align: right;
    text-transform: uppercase;
}

.case-study-card h3 {
    margin-bottom: 0.9rem;
    color: #fff;
    font-size: clamp(24px, 2.2vw, 32px);
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.case-study-card p {
    color: var(--cs-text);
    font-size: 13px;
    line-height: 1.72;
}

.case-study-card-footer {
    margin-top: auto;
    padding-top: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.case-study-services {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.case-study-services span {
    padding: 6px 9px;
    color: #747474;
    background: #0f0f0f;
    border: 1px solid rgba(255, 255, 255, 0.045);
    border-radius: 100px;
    font-size: 8px;
    font-weight: 700;
}

.case-study-open {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    color: #fff;
    background: var(--cs-red);
    border-radius: 50%;
    font-size: 15px;
    transition: transform 0.3s ease;
}

.case-study-card:hover .case-study-open {
    transform: translate(4px, -4px) rotate(8deg);
}

/* CTA */

.case-studies-cta-section {
    position: relative;
    padding: 8rem 0;
    overflow: hidden;
    text-align: center;
    background: #070707;
    border-top: 1px solid rgba(255, 255, 255, 0.035);
}

.case-studies-cta-section::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 820px;
    height: 450px;
    background: radial-gradient(circle, rgba(192, 21, 15, 0.11), transparent 68%);
    transform: translate(-50%, -50%);
}

.case-studies-cta-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.case-studies-cta-content h2 {
    margin: 15px auto 18px;
    color: #fff;
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.12;
    letter-spacing: -0.038em;
}

.case-studies-cta-content p {
    max-width: 650px;
    margin: 0 auto;
    color: var(--cs-text);
    font-size: 15px;
    line-height: 1.75;
}

.case-studies-cta-actions {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.case-studies-primary-button,
.case-studies-secondary-button {
    min-height: 50px;
    padding: 0 25px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #fff;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
    transition: 0.25s ease;
}

.case-studies-primary-button {
    background: var(--cs-red);
    border: 1px solid var(--cs-red);
}

.case-studies-primary-button:hover {
    color: #fff;
    background: #df1a14;
    transform: translateY(-2px);
}

.case-studies-secondary-button {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.13);
}

.case-studies-secondary-button:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.055);
    transform: translateY(-2px);
}

@keyframes caseHeroFloat {
    0%, 100% {
        transform: rotateY(-9deg) rotateX(3deg) translateY(0);
    }

    50% {
        transform: rotateY(-7deg) rotateX(1deg) translateY(-12px);
    }
}

@keyframes caseOrbit {
    to {
        transform: rotate(360deg);
    }
}

@keyframes caseCardOrbit {
    to {
        transform: rotate(360deg);
    }
}

/* Tablet */

@media (max-width: 1100px) {
    .case-studies-hero-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .case-studies-hero-scene {
        max-width: 720px;
    }

    .case-studies-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
}

/* Mobile */

@media (max-width: 768px) {
    .case-studies-container {
        width: calc(100% - 2rem);
    }

    .case-studies-hero {
        min-height: auto;
        padding: 4rem 0 5rem;
    }

    .case-studies-breadcrumb {
        margin-bottom: 2.3rem;
        font-size: 8px;
    }

    .case-studies-hero-copy h1 {
        font-size: clamp(36px, 11vw, 50px);
        line-height: 1.05;
    }

    .case-studies-hero-copy p {
        font-size: 14px;
        line-height: 1.72;
    }

    .case-studies-hero-scene {
        min-height: 420px;
    }

    .case-studies-hero-panel {
        inset: 4% 0;
        transform: none;
        animation: none;
    }

    .case-studies-hero-orbit {
        display: none;
    }

    .case-studies-filter-section {
        position: relative;
        top: auto;
    }

    .case-studies-filter-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .case-studies-listing-section,
    .case-studies-cta-section {
        padding: 5rem 0;
    }

    .case-studies-section-heading {
        margin-bottom: 2.6rem;
    }

    .case-studies-section-heading h2,
    .case-studies-cta-content h2 {
        font-size: clamp(29px, 8.5vw, 38px);
    }

    .case-studies-section-heading p,
    .case-studies-cta-content p {
        font-size: 13px;
    }

    .case-studies-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }

    .case-study-card,
    .case-study-card:nth-child(n) {
        grid-column: auto !important;
        min-height: 500px;
        transform: none !important;
    }

    .case-study-card-visual {
        min-height: 250px;
    }

    .case-study-card-body,
    .case-study-visual-data {
        padding: 1.5rem;
    }

    .case-study-card h3 {
        font-size: 24px;
    }

    .case-studies-cta-actions {
        flex-direction: column;
    }

    .case-studies-primary-button,
    .case-studies-secondary-button {
        width: 100%;
    }
}

/* Small phones */

@media (max-width: 420px) {
    .case-studies-container {
        width: calc(100% - 1.5rem);
    }

    .case-studies-panel-stats {
        grid-template-columns: 1fr;
    }

    .case-studies-filters {
        width: 100%;
    }

    .case-studies-filter-button {
        flex: 1 1 calc(50% - 8px);
        text-align: center;
    }

    .case-study-card-topline,
    .case-study-card-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .case-study-open {
        align-self: flex-end;
    }
}

@media (prefers-reduced-motion: reduce) {
    .case-studies-page *,
    .case-studies-page *::before,
    .case-studies-page *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}