@import url('tokens.css');
@import url('font.css');

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg-color);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% 30%, rgba(79, 143, 255, 0.06), transparent),
        linear-gradient(rgba(79, 143, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79, 143, 255, 0.05) 1px, transparent 1px);
    background-size: 100% 100%, 60px 60px, 60px 60px;
    color: var(--text-primary);
    overflow-x: hidden;
}

.hidden {
    display: none;
}


/* ─── Portfolio Hero ─── */

.portfolio-hero-section {
    position: relative;
    padding: 184px 24px 80px;
    text-align: center;
    overflow: hidden;
}

.portfolio-hero-section .hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(79, 143, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79, 143, 255, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 50% at 50% 50%, black, transparent);
    pointer-events: none;
}

.portfolio-hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.12;
}

.portfolio-hero-orb-1 {
    width: 450px;
    height: 450px;
    background: var(--accent-blue);
    top: -120px;
    left: -80px;
    animation: orbFloat1 12s ease-in-out infinite;
}

.portfolio-hero-orb-2 {
    width: 350px;
    height: 350px;
    background: var(--accent-purple);
    top: -60px;
    right: -60px;
    animation: orbFloat2 15s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, 30px) scale(1.05); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, -40px) scale(1.08); }
}

.portfolio-hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    margin: 0 auto;
    animation: heroFadeIn 1s ease-out both;
}

@keyframes heroFadeIn {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.portfolio-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-cyan);
    margin-bottom: 28px;
    backdrop-filter: blur(12px);
}

.portfolio-hero-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-cyan);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 180, 216, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(0, 180, 216, 0); }
}

.portfolio-hero-title {
    font-size: clamp(36px, 5.5vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.portfolio-hero-description {
    font-size: clamp(16px, 1.8vw, 20px);
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 0;
}

.portfolio-hero-glow-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-cyan), var(--accent-blue), transparent);
    opacity: 0.4;
}

/* ─── Filter Bar ─── */

.portfolio-filter-section {
    padding: 60px 24px 40px;
    text-align: center;
}

.portfolio-filter-row {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 8px 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    flex-wrap: wrap;
    justify-content: center;
}

.filter-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.filter-button:hover {
    color: var(--accent-blue);
    background: rgba(79, 143, 255, 0.07);
}

.filter-button.active {
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    box-shadow: 0 4px 12px rgba(79, 143, 255, 0.3);
}

.filter-button-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 100px;
    background: rgba(79, 143, 255, 0.12);
    color: var(--accent-blue);
    transition: all 0.25s ease;
}

.filter-button.active .filter-button-count {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
}

/* ─── Portfolio Grid ─── */

.portfolio-grid-section {
    padding: 0 24px 120px;
}

.portfolio-grid-container {
    max-width: 1160px;
    margin: 0 auto;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.portfolio-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.35s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04);
    animation: heroFadeIn 0.6s ease-out both;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-blue);
    box-shadow: 0 24px 48px -12px rgba(79, 143, 255, 0.15);
}

.portfolio-card-image-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.portfolio-card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-card-image-wrapper img {
    transform: scale(1.06);
}

.portfolio-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(79, 143, 255, 0.85), rgba(123, 97, 255, 0.85));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.portfolio-card:hover .portfolio-card-overlay {
    opacity: 1;
}

.portfolio-card-overlay-text {
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.portfolio-card-overlay-text svg {
    width: 18px;
    height: 18px;
}

.portfolio-card-body {
    padding: 24px;
}

.portfolio-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.portfolio-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
}

.portfolio-category-badge.badge-blue {
    background: rgba(79, 143, 255, 0.1);
    color: var(--accent-blue);
}

.portfolio-category-badge.badge-green {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
}

.portfolio-category-badge.badge-purple {
    background: rgba(123, 97, 255, 0.1);
    color: var(--accent-purple);
}

.portfolio-category-badge.badge-orange {
    background: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
}

.portfolio-category-badge.badge-red {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
}

.portfolio-category-badge.badge-teal {
    background: rgba(0, 180, 216, 0.1);
    color: var(--accent-cyan);
}

.portfolio-card-year {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

.portfolio-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
}

.portfolio-card-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.portfolio-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.portfolio-tag {
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.portfolio-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.portfolio-view-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-blue);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.25s ease;
}

.portfolio-view-link:hover {
    gap: 10px;
}

.portfolio-card-icon-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.portfolio-card-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
}

.portfolio-card-icon-link:hover {
    background: var(--card-bg);
    border-color: var(--card-border);
    color: var(--accent-blue);
}

/* ─── Stats Section ─── */

.portfolio-stats-section {
    position: relative;
    padding: 100px 24px;
    background: transparent;
    overflow: hidden;
}

.portfolio-stats-section .hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(79, 143, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79, 143, 255, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
    pointer-events: none;
}

.portfolio-stats-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.08;
}

.portfolio-stats-orb-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-blue);
    bottom: -100px;
    left: -80px;
}

.portfolio-stats-orb-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-purple);
    top: -80px;
    right: -60px;
}

.portfolio-stats-container {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.portfolio-stats-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-cyan);
    margin-bottom: 24px;
    backdrop-filter: blur(12px);
}

.portfolio-stats-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.portfolio-stats-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 64px;
    line-height: 1.6;
}

.portfolio-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.portfolio-stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 36px 24px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04);
}

.portfolio-stat-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -8px rgba(79, 143, 255, 0.12);
}

.portfolio-stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    background: rgba(79, 143, 255, 0.08);
    border-radius: 14px;
    color: var(--accent-blue);
}

.portfolio-stat-value {
    display: block;
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.portfolio-stat-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
}

/* ─── CTA Section ─── */

.portfolio-cta-section {
    padding: 100px 24px;
    text-align: center;
}

.portfolio-cta-container {
    max-width: 640px;
    margin: 0 auto;
}

.portfolio-cta-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.portfolio-cta-subtitle {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.portfolio-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 600;
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border: none;
    border-radius: 14px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(79, 143, 255, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.portfolio-cta-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
}

.portfolio-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(79, 143, 255, 0.4), 0 2px 6px rgba(0, 0, 0, 0.3);
}

.portfolio-cta-button:hover::before {
    opacity: 1;
}

.portfolio-cta-button:active {
    transform: translateY(0);
}

.portfolio-cta-button-text,
.portfolio-cta-button-icon {
    position: relative;
    z-index: 1;
}

.portfolio-cta-button-icon {
    display: flex;
    transition: transform 0.3s ease;
}

.portfolio-cta-button:hover .portfolio-cta-button-icon {
    transform: translateX(4px);
}

/* ─── Responsive ─── */

@media (max-width: 900px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .portfolio-hero-section {
        padding: 80px 20px 60px;
    }

    .portfolio-filter-row {
        gap: 8px;
    }

    .filter-button {
        padding: 8px 14px;
        font-size: 13px;
    }

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

    .portfolio-grid-section {
        padding: 0 20px 80px;
    }

    .portfolio-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-stats-section {
        padding: 60px 20px;
    }

    .portfolio-cta-section {
        padding: 60px 20px;
    }

    .portfolio-cta-button {
        width: 100%;
        justify-content: center;
    }
}

/* ── Dark Mode ────────────────────────────────────────────── */
html.dark-mode .gradient-text {
    background: linear-gradient(135deg, #ffffff, #a1a1a1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

html.dark-mode .portfolio-hero-orb,
html.dark-mode .portfolio-stats-orb {
    opacity: 0;
}

html.dark-mode body {
    background: var(--bg-color);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% 30%, rgba(255, 255, 255, 0.02), transparent),
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 100% 100%, 60px 60px, 60px 60px;
    color: #ededed;
}

html.dark-mode .portfolio-hero-title {
    color: #ffffff;
}

html.dark-mode .portfolio-hero-description {
    color: #888888;
}

html.dark-mode .portfolio-hero-badge {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
    color: #a1a1a1;
}

html.dark-mode .portfolio-hero-badge-dot {
    background: #a1a1a1;
}

/* Filter bar */
html.dark-mode .portfolio-filter-row {
    background: #111111;
    border-color: #1f1f1f;
    box-shadow: none;
}

html.dark-mode .filter-button {
    color: #888888;
}

html.dark-mode .filter-button:hover {
    color: #ededed;
    background: rgba(255, 255, 255, 0.06);
}

html.dark-mode .filter-button.active {
    color: #ffffff;
    background: #222222;
    box-shadow: none;
}

html.dark-mode .filter-button-count {
    background: rgba(255, 255, 255, 0.08);
    color: #a1a1a1;
}

html.dark-mode .filter-button.active .filter-button-count {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

/* Portfolio cards */
html.dark-mode .portfolio-card {
    background: #111111;
    border-color: #1f1f1f;
    box-shadow: none;
}

html.dark-mode .portfolio-card:hover {
    border-color: #333333;
    box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.5);
}

html.dark-mode .portfolio-card-title {
    color: #ffffff;
}

html.dark-mode .portfolio-card-description {
    color: #888888;
}

html.dark-mode .portfolio-card-year {
    color: #666666;
}

html.dark-mode .portfolio-category-badge.badge-blue,
html.dark-mode .portfolio-category-badge.badge-green,
html.dark-mode .portfolio-category-badge.badge-purple,
html.dark-mode .portfolio-category-badge.badge-orange,
html.dark-mode .portfolio-category-badge.badge-red,
html.dark-mode .portfolio-category-badge.badge-teal {
    background: rgba(255, 255, 255, 0.06);
    color: #a1a1a1;
}

html.dark-mode .portfolio-tag {
    color: #888888;
    background: #1a1a1a;
    border-color: #222222;
}

html.dark-mode .portfolio-card-footer {
    border-top-color: #1f1f1f;
}

html.dark-mode .portfolio-view-link {
    color: #ededed;
}

html.dark-mode .portfolio-card-icon-link {
    background: #1a1a1a;
    border-color: #222222;
    color: #888888;
}

html.dark-mode .portfolio-card-icon-link:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: #333333;
    color: #ededed;
}

/* Stats section */
html.dark-mode .portfolio-stats-title {
    color: #ffffff;
}

html.dark-mode .portfolio-stats-subtitle {
    color: #888888;
}

html.dark-mode .portfolio-stats-label {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
    color: #a1a1a1;
}

html.dark-mode .portfolio-stat-card {
    background: #111111;
    border-color: #1f1f1f;
    box-shadow: none;
}

html.dark-mode .portfolio-stat-card:hover {
    border-color: #333333;
    box-shadow: none;
}

html.dark-mode .portfolio-stat-icon {
    background: rgba(255, 255, 255, 0.06);
    color: #ededed;
}

html.dark-mode .portfolio-stat-value {
    background: linear-gradient(135deg, #ffffff, #a1a1a1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

html.dark-mode .portfolio-stat-label {
    color: #888888;
}

/* CTA */
html.dark-mode .portfolio-cta-title {
    color: #ffffff;
}

html.dark-mode .portfolio-cta-subtitle {
    color: #888888;
}