/* ============================================
   CASE PAGE STYLES
   ============================================ */

/* Back Button */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 48px;
    transition: all 0.3s ease;
}

.back-button:hover {
    color: var(--black);
    gap: 12px;
}

/* Case Hero */
.case-hero {
    padding: 140px 0 80px;
    background: var(--white);
}

.case-hero-content {
    max-width: 1000px;
    margin: 0 auto;
}

.case-hero-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.case-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--off-white);
    border: 1px solid var(--silver);
    font-size: 12px;
    font-weight: 500;
    color: var(--charcoal);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.case-hero-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 600;
    line-height: 1.2;
    color: var(--black);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.case-hero-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--gray);
    font-weight: 300;
    margin-bottom: 48px;
}

/* Video Container */
.case-video-container {
    margin-bottom: 48px;
}

.case-video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--black);
    overflow: hidden;
    margin-bottom: 20px;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.video-placeholder:hover {
    transform: scale(1.02);
}

.video-placeholder:hover .video-play-button {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
}

.case-video {
    width: 100%;
    height: 100%;
    display: none;
}

.case-video.playing {
    display: block;
}

.video-placeholder.hidden {
    display: none;
}

.video-info {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    padding: 20px 0;
    border-top: 1px solid var(--silver);
    border-bottom: 1px solid var(--silver);
}

.video-stat {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-icon {
    font-size: 20px;
}

.stat-text {
    font-size: 14px;
    color: var(--gray);
    font-weight: 400;
}

/* CTA Buttons */
.case-hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-large {
    padding: 18px 40px;
    font-size: 15px;
}

/* Case Details */
.case-details {
    padding: 80px 0;
    background: var(--white);
}

.case-section {
    margin-bottom: 120px;
}

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

.section-label {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 16px;
}

.case-section .section-title {
    font-size: 40px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 40px;
    letter-spacing: -0.5px;
}

.case-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray);
    font-weight: 300;
}

.case-text-large {
    font-size: 18px;
    line-height: 1.8;
    color: var(--charcoal);
    font-weight: 300;
    max-width: 900px;
}

.case-text-large strong {
    font-weight: 600;
    color: var(--black);
}

.case-intro {
    padding: 40px;
    background: var(--off-white);
    border-left: 3px solid var(--accent);
}

/* Problem Cards */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.problem-card {
    position: relative;
    padding: 48px 32px 32px;
    background: var(--white);
    border: 1px solid var(--silver);
    transition: all 0.3s ease;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--silver);
    transition: all 0.3s ease;
}

.problem-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.problem-card:hover::before {
    background: var(--accent);
}

.problem-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.problem-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.problem-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray);
    font-weight: 300;
}

/* Solution List */
.solution-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.solution-item {
    position: relative;
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 32px;
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--silver);
    transition: all 0.3s ease;
    overflow: hidden;
}

.solution-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--silver);
    transition: all 0.3s ease;
}

.solution-item:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.solution-item:hover::before {
    background: var(--accent);
}

.solution-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--silver);
    line-height: 1;
}

.solution-item:hover .solution-number {
    color: var(--accent);
}

.solution-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.solution-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray);
    font-weight: 300;
}

/* Results Section */
.case-results-section {
    background: var(--white);
    padding: 80px 0;
    margin: 0;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.result-card {
    position: relative;
    padding: 40px 32px;
    background: var(--white);
    border: 1px solid var(--silver);
    transition: all 0.3s ease;
}

.result-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--silver);
    transition: all 0.3s ease;
}

.result-card.big {
    grid-column: span 3;
    text-align: center;
    padding: 56px 40px;
    border: 1px solid var(--silver);
    background: var(--off-white);
}

.result-card.big::after {
    height: 4px;
}

.result-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.result-card:hover::after {
    background: var(--accent);
}

.result-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 12px;
    line-height: 1;
}

.result-card.big .result-number {
    font-size: 72px;
    color: var(--accent);
}

.result-label {
    font-size: 13px;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-bottom: 16px;
}

.result-card.big .result-label {
    font-size: 14px;
    margin-bottom: 20px;
}

.result-description {
    font-size: 14px;
    color: var(--gray);
    font-weight: 300;
    line-height: 1.6;
}

.result-card.big .result-description {
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

/* Testimonial */
.testimonial-box {
    padding: 56px 48px;
    background: var(--off-white);
    border: 1px solid var(--silver);
    border-left: 4px solid var(--accent);
}

.testimonial-quote {
    font-size: 20px;
    line-height: 1.8;
    color: var(--charcoal);
    font-weight: 300;
    margin-bottom: 28px;
}

.testimonial-quote::before {
    content: '"';
    font-size: 48px;
    color: var(--accent);
    line-height: 0;
    display: block;
    margin-bottom: 20px;
}

.testimonial-author {
    font-size: 14px;
    color: var(--gray);
    font-weight: 400;
    padding-left: 24px;
    border-left: 2px solid var(--silver);
}

.testimonial-author strong {
    color: var(--black);
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.gallery-item {
    position: relative;
    aspect-ratio: 9 / 16;
    overflow: hidden;
    border: 1px solid var(--silver);
    transition: all 0.3s ease;
}

.gallery-item.large {
    grid-row: span 2;
    aspect-ratio: 9 / 16;
}

.gallery-item:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.gallery-video {
    position: relative;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.gallery-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-thumbnail {
    transform: scale(1.05);
}

.gallery-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.gallery-item:hover .gallery-play {
    transform: translate(-50%, -50%) scale(1.1);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
}

/* Instagram Carousel */
.instagram-section {
    margin-top: 80px;
}

.instagram-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 32px;
    letter-spacing: -0.3px;
}

.instagram-carousel {
    position: relative;
    padding: 0 60px;
}

.instagram-track {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

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

.instagram-post {
    position: relative;
    flex: 0 0 280px;
    aspect-ratio: 1;
    overflow: hidden;
    border: 1px solid var(--silver);
    transition: all 0.3s ease;
}

.instagram-post:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.instagram-post img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.instagram-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    display: flex;
    gap: 16px;
    font-size: 13px;
    font-weight: 500;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--silver);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-arrow:hover {
    background: var(--black);
    border-color: var(--black);
    color: var(--white);
}

.carousel-prev {
    left: 0;
}

.carousel-next {
    right: 0;
}

/* Testimonial Large */
.testimonial-box-large {
    padding: 0;
}

.testimonial-content {
    padding: 56px 48px;
    background: var(--off-white);
    border: 1px solid var(--silver);
    border-left: 4px solid var(--accent);
}

.testimonial-quote-large {
    font-size: 22px;
    line-height: 1.8;
    color: var(--charcoal);
    font-weight: 300;
    margin-bottom: 40px;
}

.testimonial-quote-large::before {
    content: '"';
    font-size: 64px;
    color: var(--accent);
    line-height: 0;
    display: block;
    margin-bottom: 24px;
}

.testimonial-author-large {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--silver);
}

.author-info strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 4px;
}

.author-info span {
    font-size: 14px;
    color: var(--gray);
    font-weight: 400;
}

.author-rating {
    display: flex;
    gap: 4px;
}

.star {
    color: var(--accent);
    font-size: 20px;
}

/* Case CTA */
.case-cta-section {
    margin-bottom: 0;
}

.case-cta-box {
    text-align: center;
    padding: 80px 40px;
    background: var(--black);
    color: var(--white);
}

.cta-title {
    font-size: 48px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.cta-text {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto 40px;
}

.case-cta-box .btn {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.case-cta-box .btn:hover {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: var(--white);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 48px;
    z-index: 1;
    animation: slideUp 0.4s ease;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--off-white);
    border: 1px solid var(--silver);
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--black);
    border-color: var(--black);
    color: var(--white);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-header {
    margin-bottom: 32px;
}

.modal-title {
    font-size: 32px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.modal-subtitle {
    font-size: 16px;
    color: var(--gray);
    font-weight: 300;
    line-height: 1.6;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--charcoal);
    letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    color: var(--black);
    background: var(--off-white);
    border: 1px solid var(--silver);
    font-family: 'Montserrat', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.form-privacy {
    font-size: 12px;
    color: var(--gray);
    text-align: center;
    margin-top: -8px;
    line-height: 1.5;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .case-hero {
        padding: 100px 0 60px;
    }

    .back-button {
        margin-bottom: 32px;
    }

    .case-hero-title {
        margin-bottom: 20px;
    }

    .case-hero-description {
        font-size: 16px;
        margin-bottom: 36px;
    }

    .case-video-container {
        margin-bottom: 36px;
    }

    .video-info {
        gap: 20px;
    }

    .case-hero-cta {
        flex-direction: column;
    }

    .btn-large {
        width: 100%;
        justify-content: center;
    }

    .case-details {
        padding: 60px 0;
    }

    .case-section {
        margin-bottom: 60px;
    }

    .case-section {
        margin-bottom: 80px;
    }

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

    .case-text-large {
        font-size: 17px;
    }

    .case-intro {
        padding: 32px 24px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .problem-card {
        padding: 32px 24px;
    }

    .solution-item {
        grid-template-columns: 60px 1fr;
        gap: 24px;
        padding: 28px 24px;
    }

    .solution-number {
        font-size: 36px;
    }

    .solution-title {
        font-size: 18px;
    }

    .case-results-section {
        padding: 60px 24px;
        margin: 0 -24px;
    }

    .results-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-bottom: 48px;
    }

    .result-card.big {
        grid-column: span 2;
        padding: 40px 32px;
    }

    .result-card {
        padding: 28px 24px;
    }

    .result-number {
        font-size: 36px;
    }

    .result-card.big .result-number {
        font-size: 52px;
    }

    .testimonial-box {
        padding: 36px 28px;
    }

    .testimonial-quote {
        font-size: 18px;
    }

    .modal-content {
        padding: 40px 28px;
    }

    .modal-title {
        font-size: 28px;
    }

    .modal-subtitle {
        font-size: 15px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }

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

    .gallery-item.large {
        grid-row: span 1;
    }

    .instagram-carousel {
        padding: 0 50px;
    }

    .instagram-post {
        flex: 0 0 240px;
    }

    .instagram-title {
        font-size: 22px;
    }

    .testimonial-content {
        padding: 40px 28px;
    }

    .testimonial-quote-large {
        font-size: 19px;
    }

    .testimonial-author-large {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .cta-title {
        font-size: 36px;
    }

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

    .case-cta-box {
        padding: 60px 28px;
    }
}

@media (max-width: 480px) {
    .case-hero {
        padding: 90px 0 50px;
    }

    .case-hero-tags {
        gap: 8px;
    }

    .case-tag {
        font-size: 11px;
        padding: 6px 12px;
    }

    .case-hero-description {
        font-size: 15px;
    }

    .video-info {
        flex-direction: column;
        gap: 16px;
    }

    .case-section {
        margin-bottom: 60px;
    }

    .case-section .section-title {
        font-size: 28px;
        margin-bottom: 28px;
    }

    .case-text {
        font-size: 15px;
    }

    .case-text-large {
        font-size: 16px;
    }

    .case-intro {
        padding: 28px 20px;
    }

    .problem-number {
        font-size: 13px;
    }

    .problem-title {
        font-size: 18px;
    }

    .problem-text {
        font-size: 14px;
    }

    .solution-item {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 24px 20px;
    }

    .solution-number {
        font-size: 32px;
    }

    .solution-title {
        font-size: 17px;
    }

    .solution-text {
        font-size: 14px;
    }

    .case-results-section {
        padding: 50px 20px;
        margin: 0 -20px;
    }

    .results-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 40px;
    }

    .result-card.big {
        grid-column: span 1;
        padding: 36px 28px;
    }

    .result-card {
        padding: 24px 20px;
    }

    .result-number {
        font-size: 32px;
    }

    .result-card.big .result-number {
        font-size: 48px;
    }

    .result-label {
        font-size: 12px;
    }

    .result-description {
        font-size: 13px;
    }

    .testimonial-box {
        padding: 28px 20px;
    }

    .testimonial-quote {
        font-size: 17px;
        margin-bottom: 20px;
    }

    .testimonial-author {
        font-size: 13px;
    }

    .modal {
        padding: 16px;
    }

    .modal-content {
        padding: 32px 20px;
        max-height: 85vh;
    }

    .modal-close {
        top: 16px;
        right: 16px;
        width: 36px;
        height: 36px;
    }

    .modal-title {
        font-size: 24px;
    }

    .modal-subtitle {
        font-size: 14px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 14px;
        font-size: 14px;
    }

    .instagram-carousel {
        padding: 0 40px;
    }

    .instagram-post {
        flex: 0 0 200px;
    }

    .carousel-arrow {
        width: 36px;
        height: 36px;
    }

    .carousel-arrow svg {
        width: 20px;
        height: 20px;
    }

    .instagram-section {
        margin-top: 60px;
    }

    .instagram-title {
        font-size: 20px;
        margin-bottom: 24px;
    }

    .testimonial-content {
        padding: 32px 20px;
    }

    .testimonial-quote-large {
        font-size: 17px;
        margin-bottom: 32px;
    }

    .testimonial-quote-large::before {
        font-size: 48px;
        margin-bottom: 16px;
    }

    .author-info strong {
        font-size: 15px;
    }

    .author-info span {
        font-size: 13px;
    }

    .star {
        font-size: 18px;
    }

    .cta-title {
        font-size: 28px;
    }

    .cta-text {
        font-size: 15px;
    }

    .case-cta-box {
        padding: 50px 20px;
    }
}