/* ========================================
Portfolio Sections CSS
Full Stack AI Developer Portfolio
======================================== */

:root {
    --primary-color: #2E9EF7;
    --primary-dark: #1a5f8f;
    --accent-color: #00D9FF;
    --bg-dark: #0D1117;
    --bg-card: #161B22;
    --text-primary: #FFFFFF;
    --text-secondary: #8B949E;
    --success: #00C853;
    --warning: #FF6D00;
    --glow: rgba(46, 158, 247, 0.6);
}

/* Color Theme Variables */
[data-theme-color="purple"] {
    --primary-color: #A855F7;
    --primary-dark: #7e22ce;
    --accent-color: #C084FC;
}

[data-theme-color="green"] {
    --primary-color: #10B981;
    --primary-dark: #059669;
    --accent-color: #34D399;
}

[data-theme-color="cyan"] {
    --primary-color: #06B6D4;
    --primary-dark: #0891B2;
    --accent-color: #22D3EE;
}

[data-theme-color="pink"] {
    --primary-color: #EC4899;
    --primary-dark: #DB2777;
    --accent-color: #F472B6;
}

[data-theme-color="orange"] {
    --primary-color: #F97316;
    --primary-dark: #EA580C;
    --accent-color: #FB923C;
}

/* ========================================
Floating Navigation
======================================== */

.floating-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9998;
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(46, 158, 247, 0.1);
    transition: all 0.3s ease;
}

.floating-nav.scrolled {
    background: rgba(13, 17, 23, 0.95);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.logo-pulse {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--primary-color);
    transition: transform 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(46, 158, 247, 0.1);
}

.nav-link.active::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.theme-selector {
    background: rgba(46, 158, 247, 0.1);
    border: 1px solid rgba(46, 158, 247, 0.3);
    color: var(--primary-color);
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-selector:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

/* ========================================
Theme Picker Modal
======================================== */

.theme-picker-modal {
    position: fixed;
    top: 80px;
    right: 2rem;
    z-index: 10000;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: all 0.3s ease;
}

.theme-picker-modal.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.theme-picker-content {
    background: var(--bg-card);
    border: 2px solid var(--primary-color);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.theme-picker-content h3 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.color-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
}

.color-option {
    width: 50px;
    height: 50px;
    border: 3px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.color-option::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 12px;
    background: inherit;
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.3s ease;
}

.color-option:hover::before,
.color-option.active::before {
    opacity: 0.6;
}

.color-option.active {
    border-color: white;
    transform: scale(1.1);
}

/* ========================================
Achievement Notification
======================================== */

.achievement-notification {
    position: fixed;
    top: 100px;
    right: 2rem;
    z-index: 10001;
    background: var(--bg-card);
    border: 2px solid var(--primary-color);
    border-radius: 16px;
    padding: 1.5rem;
    min-width: 300px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.achievement-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.achievement-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.achievement-icon {
    font-size: 3rem;
    animation: achievementBounce 0.6s ease;
}

@keyframes achievementBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2) rotate(10deg); }
}

.achievement-text h4 {
    margin: 0 0 0.3rem 0;
    color: var(--primary-color);
    font-size: 1rem;
}

.achievement-text p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.achievement-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    border-radius: 16px;
}

/* ========================================
Hero Section
======================================== */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6rem 2rem 2rem;
}

.hero-content {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    z-index: 2;
}

.hero-title {
    font-size: 5rem;
    font-weight: 700;
    line-height: 1.1;
    margin: 0 0 1rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease both;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0 0 0.5rem 0;
    font-weight: 500;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0 0 2rem 0;
    max-width: 500px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.cta-btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-btn.primary {
    background: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
}

.cta-btn.primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.cta-btn.primary:hover::before {
    transform: translateX(100%);
}

.cta-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(46, 158, 247, 0.4);
}

.cta-btn.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.cta-btn.secondary:hover {
    background: rgba(46, 158, 247, 0.1);
    transform: translateY(-3px);
}

/* Hero Visual Orb */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-orb {
    width: 400px;
    height: 400px;
    position: relative;
    animation: heroOrbFloat 6s ease-in-out infinite;
}

@keyframes heroOrbFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.orb-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    box-shadow: 0 0 60px var(--glow);
    animation: orbPulse 3s ease-in-out infinite;
}

@keyframes orbPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.orb-ring,
.orb-ring-2 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
}

.orb-ring {
    width: 300px;
    height: 300px;
    animation: orbRingRotate 10s linear infinite;
}

.orb-ring-2 {
    width: 350px;
    height: 350px;
    animation: orbRingRotate 15s linear infinite reverse;
}

@keyframes orbRingRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* ========================================
Tech Tree Section
======================================== */

.tech-tree-section {
    min-height: 100vh;
    padding: 6rem 2rem 4rem;
    position: relative;
}

/* ========================================
About Section
======================================== */

.about-section {
    min-height: 100vh;
    padding: 6rem 2rem 4rem;
    position: relative;
    display: flex;
    align-items: center;
}

.about-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.section-title {
    font-size: 3rem;
    margin: 0 0 2rem 0;
    position: relative;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-underline {
    display: block;
    width: 100px;
    height: 4px;
    background: var(--primary-color);
    margin-top: 1rem;
    border-radius: 2px;
    position: relative;
}

.title-underline::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    border-radius: 2px;
    animation: underlineSlide 2s ease-in-out infinite;
}

@keyframes underlineSlide {
    0%, 100% { transform: scaleX(0.3) translateX(0); }
    50% { transform: scaleX(0.3) translateX(200%); }
}

.lead-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.lead-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.about-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* Timeline */
.timeline {
    margin: 2rem 0;
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    animation: timelineFade 0.6s ease both;
}

.timeline-item:nth-child(1) { animation-delay: 0.2s; }
.timeline-item:nth-child(2) { animation-delay: 0.4s; }
.timeline-item:nth-child(3) { animation-delay: 0.6s; }

@keyframes timelineFade {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-dot {
    position: absolute;
    left: -2.5rem;
    top: 0.3rem;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--bg-dark);
    box-shadow: 0 0 20px var(--glow);
}

.timeline-dot::before {
    content: attr(data-year);
    position: absolute;
    left: -3rem;
    top: -0.3rem;
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 600;
}

.timeline-content h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.timeline-content p {
    margin: 0;
    font-size: 0.9rem;
}

/* Download Resume Button */
.about-actions {
    margin-top: 2rem;
}

.download-resume-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.download-resume-btn::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.download-resume-btn:hover::before {
    opacity: 1;
    animation: btnGlow 1.5s ease infinite;
}

@keyframes btnGlow {
    0%, 100% { filter: blur(0px); }
    50% { filter: blur(10px); }
}

.download-resume-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--glow);
}

.btn-icon {
    transition: transform 0.3s ease;
}

.download-resume-btn:hover .btn-icon {
    transform: translateY(3px);
}

/* About Orb */
.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-orb {
    width: 400px;
    height: 400px;
    position: relative;
}

.orb-inner {
    width: 100%;
    height: 100%;
    position: relative;
    animation: aboutOrbRotate 20s linear infinite;
}

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

.about-orb .orb-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, var(--primary-color), transparent);
    border-radius: 50%;
    animation: aboutOrbPulse 3s ease-in-out infinite;
}

@keyframes aboutOrbPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.orb-layer {
    position: absolute;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
}

.orb-layer:nth-child(2) {
    top: 10%;
    left: 10%;
    right: 10%;
    bottom: 10%;
    animation: layerRotate 10s linear infinite;
}

.orb-layer:nth-child(3) {
    top: 20%;
    left: 20%;
    right: 20%;
    bottom: 20%;
    animation: layerRotate 15s linear infinite reverse;
}

.orb-layer:nth-child(4) {
    top: 30%;
    left: 30%;
    right: 30%;
    bottom: 30%;
    animation: layerRotate 20s linear infinite;
}

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

.code-particles {
    position: absolute;
    inset: 0;
}

.code-particles span {
    position: absolute;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    opacity: 0.6;
    animation: codeFloat 4s ease-in-out infinite;
}

.code-particles span:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.code-particles span:nth-child(2) { top: 20%; right: 15%; animation-delay: 0.5s; }
.code-particles span:nth-child(3) { bottom: 20%; left: 15%; animation-delay: 1s; }
.code-particles span:nth-child(4) { bottom: 15%; right: 20%; animation-delay: 1.5s; }
.code-particles span:nth-child(5) { top: 50%; left: 5%; animation-delay: 2s; }
.code-particles span:nth-child(6) { top: 40%; right: 5%; animation-delay: 2.5s; }

@keyframes codeFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* ========================================
Projects Section
======================================== */

.projects-section {
    min-height: 100vh;
    padding: 6rem 2rem 4rem;
    position: relative;
}

.projects-container {
    max-width: 1400px;
    margin: 0 auto;
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.7rem 1.5rem;
    background: rgba(46, 158, 247, 0.1);
    border: 2px solid rgba(46, 158, 247, 0.3);
    color: var(--text-secondary);
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Fira Code', monospace;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border: 2px solid rgba(46, 158, 247, 0.2);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(46, 158, 247, 0.1), transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.project-card:hover::before {
    opacity: 1;
}

.project-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px var(--glow);
}

.project-image {
    width: 100%;
    height: 250px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-card));
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(13, 17, 23, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-view-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.project-view-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 20px var(--glow);
}

.project-content {
    padding: 1.5rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(46, 158, 247, 0.2);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.project-content h3 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 1rem 0;
}

.project-tech {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.tech-icon {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.project-glow {
    position: absolute;
    inset: 0;
    opacity: 0;
    background: radial-gradient(circle at 50% 50%, var(--glow), transparent 70%);
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-glow {
    opacity: 0.3;
}

/* ========================================
Responsive Design
======================================== */

@media (max-width: 1024px) {
    .hero-content,
    .about-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-orb,
    .about-orb {
        width: 300px;
        height: 300px;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-link span {
        display: none;
    }
}

@media (max-width: 768px) {
    .floating-nav {
        padding: 0.5rem 0;
    }

    .nav-container {
        padding: 0.5rem 1rem;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-link {
        padding: 0.5rem;
        font-size: 1.2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .section-title {
        font-size: 2rem;
    }

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

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-dot {
        left: -2rem;
    }
}

/* ========================================
Animations on Scroll (AOS)
======================================== */

[data-aos="fade-right"] {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-left"] {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
Smooth Scrolling
======================================== */

html {
    scroll-behavior: smooth;
}

section {
    scroll-margin-top: 80px;
}

/* ========================================
Loading States
======================================== */

.project-card.loading {
    opacity: 0.5;
    pointer-events: none;
}

.project-card.filtered-out {
    display: none;
}