/* ============================================
   PORTFOLIO PAGE STYLES
   Eukarya - Technology for Good
   ============================================ */

/* Portfolio Hero Section */
.portfolio-hero {
    position: relative;
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    overflow: hidden;
}

.portfolio-hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.portfolio-hero .hero-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--color-navy);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
    opacity: 0;
    animation: fadeUp 0.6s ease forwards;
}

.portfolio-hero .hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-gray-900);
    margin-bottom: var(--space-5);
    opacity: 0;
    animation: fadeUp 0.6s ease 0.1s forwards;
}

.portfolio-hero .hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-8);
    margin-left: auto;
    margin-right: auto;
    max-width: 600px;
    opacity: 0;
    animation: fadeUp 0.6s ease 0.2s forwards;
}

/* Portfolio Gallery Section */
.portfolio-gallery {
    padding: var(--space-24) 0;
    background: var(--color-white);
}

.portfolio-item {
    margin-bottom: var(--space-24);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.portfolio-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Portfolio Header */
.portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--color-gray-200);
}

.portfolio-info {
    flex: 1;
}

.portfolio-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.portfolio-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
}

/* Portfolio Controls */
.portfolio-controls {
    display: flex;
    gap: var(--space-3);
}

.control-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.control-btn svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-gray-700);
    transition: all var(--transition-base);
}

.control-btn:hover {
    background: var(--color-gray-100);
    border-color: var(--color-navy);
    transform: translateY(-2px);
}

.control-btn:hover svg {
    stroke: var(--color-navy);
}

.control-btn:active {
    transform: translateY(0);
}

/* View Toggle Button */
.view-toggle .icon-mobile {
    display: none;
}

.view-toggle[data-view="mobile"] .icon-desktop {
    display: none;
}

.view-toggle[data-view="mobile"] .icon-mobile {
    display: block;
}

/* Refresh Button Animation */
.refresh-btn.refreshing svg {
    animation: rotate 0.6s ease-in-out;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Portfolio Preview Wrapper */
.portfolio-preview-wrapper {
    position: relative;
    width: 100%;
    background: var(--color-gray-100);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--space-8);
    transition: all var(--transition-base);
}

.portfolio-preview-wrapper.desktop-view {
    aspect-ratio: 16 / 9;
}

.portfolio-preview-wrapper.mobile-view {
    max-width: 375px;
    margin: 0 auto var(--space-8);
    aspect-ratio: 9 / 16;
}

/* Portfolio Preview */
.portfolio-preview {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    background: var(--color-white);
}

/* Mobile View Adjustments */
.mobile-view .preview-iframe {
    transform-origin: top left;
}

/* Iframe Blocked Message */
.iframe-blocked-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    padding: var(--space-8);
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-lg);
    text-align: center;
}

.iframe-blocked-message > svg {
    width: 64px;
    height: 64px;
    stroke: var(--color-gray-400);
    margin-bottom: var(--space-4);
}

.iframe-blocked-message h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.iframe-blocked-message p {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
    max-width: 400px;
}

.visit-site-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: var(--color-navy);
    color: var(--color-white);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: 0 4px 14px rgba(47, 49, 139, 0.25);
}

.visit-site-btn:hover {
    background: var(--color-navy-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(47, 49, 139, 0.35);
}

.visit-site-btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
}

/* Case Study Section */
.portfolio-case-study {
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid var(--color-gray-200);
}

.case-study-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-6);
}

.case-study-title svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-navy);
}

.case-study-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
}

.case-study-content h4:first-child {
    margin-top: 0;
}

.case-study-content p {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-700);
    margin-bottom: var(--space-4);
}

/* Technology Tags */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.tech-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--color-navy);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.tech-tag:hover {
    background: var(--color-navy-dark);
    transform: translateY(-2px);
}

/* Features List */
.features-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-4) 0;
}

.features-list li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    line-height: 1.6;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--color-cyan);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 700;
}

/* Footer Styles */
.footer {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--space-12) 0 var(--space-6);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-gray-700);
    margin-bottom: var(--space-6);
}

.footer-brand {
    flex: 1;
}

.footer-logo {
    filter: brightness(0) invert(1);
    margin-bottom: var(--space-3);
}

.footer-tagline {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: flex;
    gap: var(--space-6);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

/* Tablets and below (max-width: 1024px) */
@media (max-width: 1024px) {
    .portfolio-hero {
        padding: 120px 0 60px;
    }

    .portfolio-hero .hero-title {
        font-size: var(--font-size-4xl);
    }

    .portfolio-hero .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .portfolio-gallery {
        padding: var(--space-16) 0;
    }

    .portfolio-item {
        margin-bottom: var(--space-16);
    }

    .portfolio-title {
        font-size: var(--font-size-2xl);
    }

    .portfolio-case-study {
        padding: var(--space-6);
    }
}

/* Mobile devices (max-width: 768px) */
@media (max-width: 768px) {
    .portfolio-hero {
        padding: 100px 0 40px;
    }

    .portfolio-hero .hero-title {
        font-size: var(--font-size-3xl);
    }

    .portfolio-hero .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .portfolio-gallery {
        padding: var(--space-12) 0;
    }

    .portfolio-item {
        margin-bottom: var(--space-12);
    }

    .portfolio-header {
        flex-direction: column;
        gap: var(--space-4);
    }

    .portfolio-controls {
        width: 100%;
        justify-content: flex-end;
    }

    .portfolio-title {
        font-size: var(--font-size-xl);
    }

    .portfolio-subtitle {
        font-size: var(--font-size-base);
    }

    .control-btn {
        width: 44px;
        height: 44px;
    }

    .control-btn svg {
        width: 20px;
        height: 20px;
    }

    .portfolio-preview-wrapper.mobile-view {
        max-width: 100%;
        aspect-ratio: 9 / 16;
    }

    .portfolio-case-study {
        padding: var(--space-5);
    }

    .case-study-title {
        font-size: var(--font-size-xl);
    }

    .case-study-content h4 {
        font-size: var(--font-size-base);
    }

    .tech-tags {
        gap: var(--space-2);
    }

    .tech-tag {
        padding: var(--space-1) var(--space-3);
        font-size: 0.75rem;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-6);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-3);
    }
}

/* Small mobile devices (max-width: 480px) */
@media (max-width: 480px) {
    .portfolio-hero .hero-title {
        font-size: var(--font-size-2xl);
    }

    .portfolio-hero .hero-subtitle {
        font-size: var(--font-size-sm);
    }

    .portfolio-title {
        font-size: var(--font-size-lg);
    }

    .case-study-title {
        font-size: var(--font-size-lg);
        gap: var(--space-2);
    }

    .case-study-title svg {
        width: 24px;
        height: 24px;
    }
}

/* Active Navigation Link */
.nav-link.active {
    color: var(--color-navy);
    background: var(--color-gray-100);
}