/* ===== CSS Variables ===== */
:root {
    --primary: #6C63FF;
    --primary-light: #8B85FF;
    --primary-dark: #4A42E0;
    --secondary: #FF6B9D;
    --accent: #00D4AA;
    --accent-2: #FFB347;
    --bg-primary: #FAFBFF;
    --bg-secondary: #F0F2FF;
    --bg-card: #FFFFFF;
    --text-primary: #1A1A2E;
    --text-secondary: #4A4A6A;
    --text-muted: #8888AA;
    --border: #E8EAFF;
    --shadow-sm: 0 2px 10px rgba(108, 99, 255, 0.08);
    --shadow-md: 0 8px 30px rgba(108, 99, 255, 0.12);
    --shadow-lg: 0 20px 60px rgba(108, 99, 255, 0.15);
    --shadow-xl: 0 30px 80px rgba(108, 99, 255, 0.2);
    --gradient-1: linear-gradient(135deg, #6C63FF 0%, #FF6B9D 100%);
    --gradient-2: linear-gradient(135deg, #00D4AA 0%, #6C63FF 100%);
    --gradient-3: linear-gradient(135deg, #FFB347 0%, #FF6B9D 100%);
    --gradient-4: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-overflow-scrolling: touch;
}

img {
    max-width: 100%;
    height: auto;
    -ms-interpolation-mode: bicubic;
}

a {
    -webkit-tap-highlight-color: transparent;
}

button {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

input, select, textarea {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* ===== Preloader ===== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    position: relative;
}

.loader-inner {
    width: 100%;
    height: 100%;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

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

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

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: var(--gradient-1);
    color: white;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1.3;
}

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

.navbar.scrolled {
    background: -webkit-linear-gradient(rgba(250, 251, 255, 0.95), rgba(250, 251, 255, 0.95));
    background: rgba(250, 251, 255, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    -webkit-box-shadow: var(--shadow-sm);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    z-index: 1001;
}

.logo-img {
    height: 120px;
    width: auto;
    -webkit-transition: var(--transition);
    transition: var(--transition);
}

.logo:hover .logo-img {
    -webkit-transform: scale(1.05);
    transform: scale(1.05);
}

.footer-logo-img {
    height: 130px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(108, 99, 255, 0.08);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-nav {
    padding: 10px 24px;
    background: var(--gradient-1);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    padding: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
    background: var(--bg-primary);
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: rgba(108, 99, 255, 0.15);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: rgba(255, 107, 157, 0.12);
    bottom: -50px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: rgba(0, 212, 170, 0.1);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 12s ease-in-out infinite;
}

.shape-4 {
    width: 200px;
    height: 200px;
    background: rgba(255, 179, 71, 0.1);
    top: 20%;
    left: 20%;
    animation: float 9s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(10deg); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(108, 99, 255, 0.08);
    border: 1px solid rgba(108, 99, 255, 0.15);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 30px;
    animation: fadeInDown 0.8s ease;
}

.hero-badge i {
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(15deg); }
}

.hero-title {
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.greeting {
    display: block;
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.name {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 12px;
}

.typing-wrapper {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    min-height: 50px;
}

.cursor {
    animation: blink 1s step-end infinite;
    color: var(--primary);
    font-weight: 300;
}

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

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 2;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 50px;
    font-family: 'Cairo', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    -webkit-transition: var(--transition);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: var(--transition);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(108, 99, 255, 0.45);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

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

/* ===== Hero Stats ===== */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: inline;
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ===== Scroll Indicator ===== */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: fadeInUp 0.8s ease 1s both;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--border);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

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

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

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

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gradient-1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255,255,255,0.3);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.image-border {
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 3px solid var(--primary);
    border-radius: var(--radius-lg);
    opacity: 0.3;
    z-index: 0;
}

.image-dots {
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 120px;
    height: 120px;
    background-image: radial-gradient(circle, var(--primary) 2px, transparent 2px);
    background-size: 20px 20px;
    opacity: 0.3;
}

.about-content h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 2;
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 30px 0;
}

.detail {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: white;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.detail-icon {
    width: 40px;
    height: 40px;
    background: rgba(108, 99, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.detail span:last-child {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

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

.skill-category {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.skill-category:hover::before {
    opacity: 1;
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 30px;
}

.skill-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
}

.skill-category-header h3 {
    font-size: 1.2rem;
    font-weight: 800;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.skill-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 28px;
    border: 2px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 50px;
    font-family: 'Cairo', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-btn.active {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

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

.portfolio-item {
    transition: opacity 0.4s ease, transform 0.4s ease;
}


.portfolio-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.portfolio-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.portfolio-placeholder {
    font-size: 4rem;
    color: rgba(255,255,255,0.4);
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: -webkit-linear-gradient(to top, rgba(26, 26, 46, 0.95) 0%, rgba(26, 26, 46, 0.5) 40%, transparent 100%);
    background: linear-gradient(to top, rgba(26, 26, 46, 0.95) 0%, rgba(26, 26, 46, 0.5) 40%, transparent 100%);
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: end;
    -ms-flex-pack: end;
    justify-content: flex-end;
    text-align: center;
    padding: 30px 20px;
    opacity: 1;
    -webkit-transition: var(--transition);
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-overlay {
    background: -webkit-linear-gradient(rgba(26, 26, 46, 0.93), rgba(26, 26, 46, 0.93));
    background: rgba(26, 26, 46, 0.93);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.portfolio-card:hover .portfolio-image {
    transform: scale(1.08);
}

.portfolio-card:hover .portfolio-placeholder {
    transform: scale(1.15) rotate(5deg);
}

.portfolio-links {
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-links {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-category {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(108, 99, 255, 0.2);
    color: var(--primary-light);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.portfolio-overlay h3 {
    color: white;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.portfolio-overlay p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

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

.portfolio-link {
    width: 44px;
    height: 44px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.portfolio-link:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card.featured {
    background: var(--gradient-1);
    border-color: transparent;
}

.service-card.featured * {
    color: white !important;
}

.service-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.2);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    color: white !important;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(108, 99, 255, 0.08);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card.featured .service-icon {
    background: rgba(255,255,255,0.15);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.service-features li i {
    color: var(--accent);
    font-size: 0.8rem;
}

.service-card.featured .service-features li i {
    color: rgba(255,255,255,0.8);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.service-link:hover {
    gap: 14px;
}

.service-card.featured .service-link {
    color: white !important;
}

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

.testimonials-slider {
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-card {
    min-width: 100%;
    padding: 50px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    text-align: center;
}

.testimonial-stars {
    margin-bottom: 24px;
}

.testimonial-stars i {
    color: #FFD700;
    font-size: 1.1rem;
    margin: 0 2px;
}

.testimonial-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    font-weight: 800;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-primary);
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.testimonials-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.testimonial-btn {
    width: 44px;
    height: 44px;
    border: 2px solid var(--border);
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.testimonial-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.testimonials-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: 10px;
}

/* ===== Contact Section ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 30px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.contact-method:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.method-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.method-value {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.social-link {
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
}

/* ===== Contact Form ===== */
.contact-form-wrapper {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'Cairo', sans-serif;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238888AA' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 16px center;
}

/* ===== Footer ===== */
.footer {
    background: var(--text-primary);
    padding: 80px 0 30px;
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    margin-top: 16px;
    line-height: 2;
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-right: 8px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}

.footer-bottom .heart {
    color: #FF6B9D;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.35);
}

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

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

/* ===== Scroll Animations ===== */
[data-aos] {
    opacity: 1;
    transform: none;
}

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

/* Large Screens (1200px+) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* Tablets & Small Laptops (768px - 1024px) */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }

    .section {
        padding: 100px 0;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .contact-grid {
        gap: 40px;
    }
}

/* Tablets Portrait & Mobile Landscape (576px - 768px) */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .section {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 50px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    /* Navbar */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: white;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        padding: 100px 30px 30px;
        gap: 4px;
        -webkit-transition: var(--transition);
        transition: var(--transition);
        -webkit-box-shadow: var(--shadow-xl);
        box-shadow: var(--shadow-xl);
        z-index: 1000;
        overflow-y: auto;
    }

    .logo-img {
        height: 90px;
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: flex;
    }

    .btn-nav {
        display: none;
    }

    .lang-switch {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    /* Hero */
    .hero {
        padding: 120px 20px 60px;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 8px 18px;
    }

    .greeting {
        font-size: 1.1rem;
    }

    .name {
        font-size: 2.5rem;
    }

    .typing-wrapper {
        font-size: 1.2rem;
        min-height: 40px;
    }

    .hero-description {
        font-size: 1rem;
        padding: 0 10px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .scroll-indicator {
        display: none;
    }

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

    .about-image {
        display: flex;
        justify-content: center;
    }

    .image-wrapper {
        max-width: 300px;
    }

    .about-content h3 {
        font-size: 1.4rem;
    }

    .about-details {
        grid-template-columns: 1fr;
    }

    /* Skills */
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .skill-category {
        padding: 30px 24px;
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .portfolio-filters {
        flex-wrap: wrap;
        gap: 8px;
        justify-content: center;
    }

    .filter-btn {
        padding: 8px 18px;
        font-size: 0.8rem;
    }

    .portfolio-card {
        aspect-ratio: 16/10;
    }

    .portfolio-overlay {
        padding: 20px;
    }

    .portfolio-overlay h3 {
        font-size: 1.1rem;
    }

    .portfolio-overlay p {
        font-size: 0.8rem;
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card {
        padding: 30px 24px;
    }

    .service-card.featured {
        order: -1;
    }

    /* Testimonials */
    .testimonial-card {
        padding: 30px 24px;
    }

    .testimonial-text {
        font-size: 1rem;
    }

    .testimonials-nav {
        gap: 12px;
    }

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

    .contact-form-wrapper {
        padding: 30px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    /* Footer */
    .footer {
        padding: 60px 0 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-links ul {
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

/* Mobile Portrait (up to 576px) */
@media (max-width: 576px) {
    html {
        font-size: 13px;
    }

    .container {
        padding: 0 16px;
    }

    .section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-tag {
        font-size: 0.75rem;
        padding: 6px 14px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .hero {
        padding: 100px 16px 40px;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 14px;
        margin-bottom: 20px;
    }

    .hero-badge i {
        display: none;
    }

    .greeting {
        font-size: 1rem;
    }

    .name {
        font-size: 2rem;
    }

    .typing-wrapper {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.9rem;
        line-height: 1.8;
    }

    .btn {
        padding: 12px 28px;
        font-size: 0.9rem;
    }

    .about-content h3 {
        font-size: 1.2rem;
    }

    .about-content p {
        font-size: 0.9rem;
    }

    .image-wrapper {
        max-width: 250px;
    }

    .skill-category {
        padding: 24px 20px;
    }

    .skill-category-header h3 {
        font-size: 1rem;
    }

    .portfolio-overlay {
        padding: 16px;
    }

    .portfolio-overlay h3 {
        font-size: 1rem;
    }

    .portfolio-category {
        font-size: 0.7rem;
        padding: 4px 12px;
    }

    .service-card {
        padding: 24px 20px;
    }

    .service-card h3 {
        font-size: 1.05rem;
    }

    .service-card p {
        font-size: 0.85rem;
    }

    .testimonial-card {
        padding: 24px 16px;
    }

    .testimonial-text {
        font-size: 0.9rem;
        line-height: 1.8;
    }

    .contact-form-wrapper {
        padding: 24px 16px;
    }

    .contact-method {
        padding: 16px;
    }

    .method-icon {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}

/* Very Small Screens (up to 375px - iPhone SE etc) */
@media (max-width: 375px) {
    html {
        font-size: 12px;
    }

    .logo-img {
        height: 75px;
    }

    .name {
        font-size: 1.8rem;
    }

    .typing-wrapper {
        font-size: 0.9rem;
        min-height: 30px;
    }

    .hero-buttons .btn {
        max-width: 240px;
        padding: 10px 24px;
        font-size: 0.85rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .nav-links {
        width: 240px;
        padding: 80px 20px 20px;
    }

    .image-wrapper {
        max-width: 200px;
    }
}

/* Landscape phones */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 80px 20px;
    }

    .hero-stats {
        flex-direction: row;
        gap: 20px;
    }

    .scroll-indicator {
        display: none;
    }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* ===== Language Switcher ===== */
.lang-switch {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(108, 99, 255, 0.08);
    border: 2px solid var(--border);
    border-radius: 50px;
    font-family: 'Cairo', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
    -webkit-transition: var(--transition);
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.lang-switch:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.lang-switch i {
    font-size: 1rem;
}

/* ===== English Mode Styles ===== */
body.lang-en {
    font-family: 'Poppins', 'Cairo', sans-serif;
    direction: ltr;
}

body.lang-en .navbar {
    direction: ltr;
}

body.lang-en .nav-container {
    flex-direction: row;
}

body.lang-en .logo {
    flex-direction: row;
}

body.lang-en .nav-links {
    flex-direction: row;
}

body.lang-en .hero-content {
    text-align: left;
}

body.lang-en .hero-badge {
    flex-direction: row;
}

body.lang-en .hero-buttons {
    flex-direction: row;
}

body.lang-en .hero-stats {
    flex-direction: row;
}

body.lang-en .about-grid {
    direction: ltr;
}

body.lang-en .about-content {
    text-align: left;
}

body.lang-en .about-details {
    direction: ltr;
}

body.lang-en .detail {
    flex-direction: row;
}

body.lang-en .section-header {
    text-align: left;
}

body.lang-en .skills-grid {
    direction: ltr;
}

body.lang-en .portfolio-filters {
    direction: ltr;
}

body.lang-en .portfolio-grid {
    direction: ltr;
}

body.lang-en .services-grid {
    direction: ltr;
}

body.lang-en .service-card {
    text-align: left;
}

body.lang-en .service-features li {
    flex-direction: row;
}

body.lang-en .service-link {
    flex-direction: row;
}

body.lang-en .contact-grid {
    direction: ltr;
}

body.lang-en .contact-method {
    flex-direction: row;
}

body.lang-en .social-links {
    flex-direction: row;
}

body.lang-en .footer-content {
    direction: ltr;
}

body.lang-en .footer-bottom {
    direction: ltr;
}

body.lang-en .testimonial-author {
    flex-direction: row;
}

body.lang-en .testimonial-btn.prev i,
body.lang-en .testimonial-btn.next i {
    transform: scaleX(-1);
}

body.lang-en .scroll-indicator {
    direction: ltr;
}

body.lang-en .back-to-top {
    left: auto;
    right: 30px;
}

body.lang-en .hamburger {
    order: -1;
}

body.lang-en .nav-actions {
    flex-direction: row-reverse;
}

@media (max-width: 768px) {
    body.lang-en .nav-links {
        left: -100%;
        right: auto;
    }

    body.lang-en .nav-links.active {
        left: 0;
    }

    body.lang-en .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    body.lang-en .hero-stats {
        flex-direction: column;
    }
}

/* ===== Touch Device Support ===== */
@media (hover: none) and (pointer: coarse) {
    .portfolio-overlay {
        opacity: 1;
    }

    .portfolio-links {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }

    .service-card:hover {
        -webkit-transform: none;
        transform: none;
    }

    .skill-category:hover {
        -webkit-transform: none;
        transform: none;
    }
}

/* ===== Print Styles ===== */
@media print {
    .navbar,
    .hero-bg-shapes,
    .scroll-indicator,
    .back-to-top,
    #particles-canvas,
    #preloader,
    .lang-switch,
    .hamburger,
    .portfolio-filters,
    .portfolio-links,
    .testimonials-nav,
    .social-links {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        padding: 20px 0;
        page-break-inside: avoid;
    }

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

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        -webkit-animation-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        -webkit-animation-iteration-count: 1 !important;
        animation-iteration-count: 1 !important;
        -webkit-transition-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ===== Dark Mode Support (optional) ===== */
@media (prefers-color-scheme: dark) {
    /* Uncomment below to enable auto dark mode */
    /*
    :root {
        --bg-primary: #0f0f23;
        --bg-secondary: #1a1a35;
        --bg-card: #1e1e3a;
        --text-primary: #ffffff;
        --text-secondary: #b8b8d4;
        --text-muted: #7a7a9e;
        --border: #2a2a4a;
    }
    */
}