/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b80;
    --accent-primary: #7c3aed;
    --accent-secondary: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
    --accent-glow: rgba(124, 58, 237, 0.3);
    --border-color: rgba(255, 255, 255, 0.08);
    --font-ar: 'Cairo', sans-serif;
    --font-en: 'Inter', sans-serif;
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

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

body {
    font-family: var(--font-ar);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

html[dir="ltr"] body {
    font-family: var(--font-en);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Loader ===== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 30px;
    animation: loaderPulse 1.5s ease-in-out infinite;
}

.loader-bracket {
    color: var(--accent-secondary);
}

.loader-name {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loader-bar {
    width: 200px;
    height: 3px;
    background: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    margin: 0 auto;
}

.loader-progress {
    width: 0;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 10px;
    animation: loaderBar 2s ease-in-out forwards;
}

@keyframes loaderPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes loaderBar {
    0% { width: 0; }
    100% { width: 100%; }
}

/* ===== Particles Canvas ===== */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 2px;
}

.logo-bracket {
    color: var(--accent-secondary);
    font-weight: 300;
}

.logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 10px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
}

.lang-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-line {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 10px;
    transition: var(--transition);
}

.menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-links {
    text-align: center;
}

.mobile-link {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    padding: 20px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.mobile-link:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    position: relative;
    z-index: 1;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.5s;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.7s;
}

.hero-greeting {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.hero-name {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-role {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.9s;
}

.typewriter {
    color: var(--accent-secondary);
    font-weight: 600;
}

.cursor {
    color: var(--accent-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 1.1s;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 1.3s;
}

.btn {
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px var(--accent-glow);
}

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

.btn-outline:hover {
    border-color: var(--accent-primary);
    background: var(--bg-glass);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 40px;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 1.5s;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-size: 1.5rem;
    color: var(--accent-secondary);
    font-weight: 700;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
    flex: 1;
    max-width: 500px;
    animation: fadeInRight 1s ease forwards;
    opacity: 0;
    animation-delay: 1s;
}

.code-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: var(--transition);
}

.code-window:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background: #ff5f57; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #28ca42; }

.code-title {
    margin-inline-start: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-body {
    padding: 24px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 2;
    direction: ltr;
    text-align: left;
}

.code-keyword { color: #c678dd; }
.code-var { color: #e06c75; }
.code-prop { color: #61afef; }
.code-string { color: #98c379; }
.code-bool { color: #d19a66; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 4px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

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

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

.section-tag {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--accent-secondary);
    margin-bottom: 12px;
    font-family: 'Fira Code', monospace;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Section ===== */
.about {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-intro {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-weight: 600;
}

.about-detail {
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.9;
}

.about-info {
    display: grid;
    gap: 16px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.info-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(5px);
}

html[dir="ltr"] .info-item:hover {
    transform: translateX(5px);
}

html[dir="rtl"] .info-item:hover {
    transform: translateX(-5px);
}

.info-item i {
    color: var(--accent-primary);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.skills-title {
    font-size: 1.3rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.skill-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.skill-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

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

.skill-card i {
    font-size: 2rem;
    margin-bottom: 8px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-card span {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.skill-level {
    height: 4px;
    background: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.skill-level::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--accent-gradient);
    border-radius: 10px;
    transition: width 1.5s ease;
}

.skill-card.animated .skill-level::after {
    width: var(--skill-width);
}

/* ===== Projects Section ===== */
.projects {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px var(--accent-glow);
}

.project-slider {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.slider-images {
    width: 100%;
    height: 100%;
    position: relative;
}

.slider-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255,255,255,0.3);
}

.slider-img.active {
    opacity: 1;
}

.slider-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--accent-primary);
    width: 24px;
    border-radius: 4px;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .slider-btn {
    opacity: 1;
}

.slider-btn.prev { left: 12px; }
.slider-btn.next { right: 12px; }

.slider-btn:hover {
    background: var(--accent-primary);
}

.project-info {
    padding: 24px;
}

.project-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

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

.project-tags span {
    padding: 4px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--accent-secondary);
}

/* ===== Contact Section ===== */
.contact {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.contact-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 16px;
}

.contact-card h4 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.contact-card a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-card a:hover {
    color: var(--accent-secondary);
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 30px;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    color: #fff;
}

.social-link.whatsapp:hover {
    background: #25d366;
    border-color: #25d366;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

.social-link.instagram:hover {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    border-color: #dc2743;
    box-shadow: 0 8px 25px rgba(220, 39, 67, 0.3);
}

.social-link.linkedin:hover {
    background: #0077b5;
    border-color: #0077b5;
    box-shadow: 0 8px 25px rgba(0, 119, 181, 0.3);
}

.social-link.github:hover {
    background: #333;
    border-color: #333;
    box-shadow: 0 8px 25px rgba(51, 51, 51, 0.3);
}

/* Contact Form */
.contact-form {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 40px;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
    resize: none;
}

.form-group label {
    position: absolute;
    top: 16px;
    right: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition);
}

html[dir="ltr"] .form-group label {
    right: auto;
    left: 0;
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: -8px;
    font-size: 0.75rem;
    color: var(--accent-primary);
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition);
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
    width: 100%;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    font-size: 1.1rem;
    padding: 16px;
}

.btn-submit i {
    transition: var(--transition);
}

.btn-submit:hover i {
    transform: translateX(-5px);
}

html[dir="ltr"] .btn-submit:hover i {
    transform: translateX(5px);
}

/* ===== Footer ===== */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

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

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 12px;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 8px 25px var(--accent-glow);
    z-index: 100;
}

html[dir="rtl"] .back-to-top {
    right: auto;
    left: 30px;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

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

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

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 140px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-role {
        justify-content: center;
    }

    .hero-visual {
        max-width: 450px;
        width: 100%;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-btn {
        display: flex;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

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

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

    .code-window {
        transform: none;
    }

    .social-links {
        justify-content: center;
    }

    .contact-form {
        padding: 24px;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

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

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    padding: 16px 24px;
    color: var(--text-primary);
    font-size: 0.95rem;
    z-index: 10000;
    opacity: 0;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast i {
    color: var(--accent-secondary);
    font-size: 1.2rem;
}