/* ===== Variables ===== */
:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --accent-color: #f59e0b;
    --accent-light: #fbbf24;
    
    --bg-primary: #0a0f1c;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: #162033;
    
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --border-color: #374151;
    --border-light: rgba(59, 130, 246, 0.3);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --font-family: 'Cairo', sans-serif;
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* ===== Utility Classes ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.highlight {
    color: var(--primary-color);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

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

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.title-line {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 0 auto;
    border-radius: 2px;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-normal);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: transparent;
    width: 40px;
    height: 40px;
    position: relative;
}

.hamburger {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: var(--transition-normal);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 40%);
}

.particles {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(59, 130, 246, 0.5), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 50px 160px, rgba(59, 130, 246, 0.4), transparent),
        radial-gradient(2px 2px at 90px 40px, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(59, 130, 246, 0.3), transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255, 255, 255, 0.4), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: particles 20s linear infinite;
}

@keyframes particles {
    0% { transform: translateY(0); }
    100% { transform: translateY(-200px); }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInRight 1s ease;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.greeting {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 500;
}

.name {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 15px;
}

.title {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 20px;
}

.description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInLeft 1s ease;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.image-frame {
    position: relative;
    width: 350px;
    height: 400px;
}

.frame-border {
    position: absolute;
    inset: 0;
    border: 3px solid var(--primary-color);
    border-radius: var(--border-radius-lg);
    transform: rotate(-5deg);
}

.frame-border::before {
    content: '';
    position: absolute;
    inset: -3px;
    border: 3px solid var(--accent-color);
    border-radius: var(--border-radius-lg);
    transform: rotate(10deg);
}

.profile-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: var(--primary-color);
    position: relative;
    overflow: hidden;
}

.profile-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), transparent);
}

.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-secondary);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-20px); }
    60% { transform: translateX(-50%) translateY(-10px); }
}

/* ===== About Section ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-img-frame {
    position: relative;
    padding: 20px;
}

.about-img-frame::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    border-top: 4px solid var(--primary-color);
    border-right: 4px solid var(--primary-color);
    border-radius: 0 20px 0 0;
}

.about-img-frame::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200px;
    height: 200px;
    border-bottom: 4px solid var(--accent-color);
    border-left: 4px solid var(--accent-color);
    border-radius: 0 0 0 20px;
}

.about-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-tertiary));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--primary-color);
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin: 30px 0;
    padding: 25px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 5px;
    display: block;
}

/* ===== Skills Section ===== */
.skills {
    background: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.skill-card {
    background: var(--bg-card);
    padding: 35px 30px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-light);
    box-shadow: var(--shadow-glow);
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.1));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.skill-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.skill-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tags span {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary-light);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* ===== Portfolio Section ===== */
.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-item {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-img {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-tertiary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary-color);
}

.portfolio-placeholder.app {
    background: linear-gradient(135deg, #1e3a5f, #0d1f33);
    color: var(--accent-color);
}

.portfolio-placeholder.design {
    background: linear-gradient(135deg, #2d1f3d, #1a1025);
    color: #a855f7;
}

.portfolio-placeholder.web2 {
    background: linear-gradient(135deg, #1f2d3d, #0d1a25);
    color: #22c55e;
}

.portfolio-placeholder.app2 {
    background: linear-gradient(135deg, #3d1f2d, #250d1a);
    color: #ec4899;
}

.portfolio-placeholder.design2 {
    background: linear-gradient(135deg, #3d3d1f, #25250d);
    color: var(--accent-color);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 15, 28, 0.95), rgba(10, 15, 28, 0.7));
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.overlay-content h4 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.overlay-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.overlay-links {
    display: flex;
    gap: 12px;
}

.overlay-link {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition-normal);
}

.overlay-link:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

/* ===== Contact Section ===== */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 35px;
    font-size: 1.05rem;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 35px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.info-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.1));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary-color);
}

.info-text span {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.info-text a,
.info-text p {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
}

.info-text a:hover {
    color: var(--primary-color);
}

.contact-social {
    display: flex;
    gap: 15px;
}

.contact-form-wrapper {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    padding-right: 50px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-normal);
}

.form-group textarea {
    resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group label {
    position: absolute;
    top: 50%;
    right: 50px;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-normal);
}

.form-group textarea ~ label {
    top: 20px;
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -10px;
    right: 15px;
    font-size: 0.85rem;
    color: var(--primary-color);
    background: var(--bg-card);
    padding: 0 8px;
}

.form-group i {
    position: absolute;
    top: 50%;
    right: 18px;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.form-group textarea ~ i {
    top: 20px;
    transform: none;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-primary);
    padding-top: 60px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-links h4,
.footer-services h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.footer-links ul,
.footer-services ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-services li {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-right: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
}

.footer-bottom p {
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    color: var(--primary-color);
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-glow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .skills-grid,
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 100px 40px;
        gap: 30px;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-toggle.active .hamburger {
        background: transparent;
    }
    
    .nav-toggle.active .hamburger::before {
        top: 0;
        transform: rotate(45deg);
    }
    
    .nav-toggle.active .hamburger::after {
        top: 0;
        transform: rotate(-45deg);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .name {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .image-frame {
        width: 280px;
        height: 320px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        margin: 0 auto;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 70px 0;
    }
    
    .skills-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filter {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 18px;
        font-size: 0.85rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-form-wrapper {
        padding: 25px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}