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

:root {
    /* Light Theme */
    --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-secondary: #f8f9fa;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --card-bg: rgba(255, 255, 255, 0.9);
    --shadow: rgba(0, 0, 0, 0.1);
    --accent: #667eea;
    --accent-hover: #764ba2;
}

[data-theme="dark"] {
    /* Dark Theme */
    --bg-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --bg-secondary: #0f0f1e;
    --text-primary: #e2e8f0;
    --text-secondary: #cbd5e0;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-bg: rgba(26, 26, 46, 0.8);
    --shadow: rgba(0, 0, 0, 0.3);
    --accent: #667eea;
    --accent-hover: #764ba2;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ===== Animated Background ===== */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    will-change: transform;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);
    animation: particleMove 20s ease-in-out infinite;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

@keyframes particleMove {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    33% { transform: translate3d(30px, -30px, 0) scale(1.1); }
    66% { transform: translate3d(-20px, 20px, 0) scale(0.9); }
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    will-change: background, border-color, box-shadow;
}

.navbar.scrolled {
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 20px var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo i {
    color: var(--accent);
    animation: rotate 3s linear infinite;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}

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

.admin-link {
    color: var(--text-primary);
    font-size: 1.2rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.admin-link:hover {
    transform: rotate(90deg);
    color: var(--accent);
}

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

.lang-toggle,
.theme-toggle {
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.lang-toggle:hover,
.theme-toggle:hover {
    background: var(--card-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.lang-toggle span {
    font-size: 0.9rem;
    font-weight: 600;
}

.theme-toggle {
    font-size: 1.5rem;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    justify-content: center;
}

/* ===== Hero Section ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    z-index: -1;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

.profile-image-container {
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease;
}

.profile-image-wrapper {
    position: relative;
    display: inline-block;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--accent);
    box-shadow: 0 10px 40px var(--shadow);
    animation: float 3s ease-in-out infinite;
    transition: transform 0.3s ease;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

.profile-image:hover {
    transform: scale(1.05);
}

.image-border {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    border: 3px solid var(--accent);
    opacity: 0.5;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(0, -20px, 0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 30px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.2s both;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.name-separator {
    color: var(--text-secondary);
    font-size: 2rem;
    opacity: 0.5;
}

.name-en {
    font-size: 2.5rem;
    color: var(--text-secondary);
    font-weight: 300;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
    animation: fadeInUp 1s ease 0.6s both;
    min-height: 60px;
}

.typing-text {
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--text-primary);
    position: relative;
}

.typing-text::after {
    content: '|';
    animation: blink 1s infinite;
    color: var(--accent);
    margin-left: 5px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 2px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--card-bg);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--shadow);
}

.btn-hero {
    font-size: 1.1rem;
    padding: 1.2rem 2.5rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

.social-link {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--accent);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.social-link:hover::before {
    width: 300px;
    height: 300px;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    border-color: var(--accent);
    color: white;
    z-index: 1;
}

.social-link i {
    position: relative;
    z-index: 2;
}

.social-link[data-platform="whatsapp"]:hover {
    background: #25D366;
}

.social-link[data-platform="github"]:hover {
    background: #333;
}

.social-link[data-platform="linkedin"]:hover {
    background: #0077b5;
}

.social-link[data-platform="twitter"]:hover {
    background: #1DA1F2;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: var(--text-primary);
    animation: bounce 2s ease infinite;
}

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

/* ===== Sections ===== */
section {
    padding: 5rem 0;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.title-icon {
    color: var(--accent);
    animation: rotate 3s linear infinite;
}

/* ===== Glass Effect ===== */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    transform: translate3d(0, 0, 0);
}

.glass-effect:hover {
    transform: translate3d(0, -5px, 0);
    box-shadow: 0 12px 40px var(--shadow);
}

/* ===== About Section ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

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

.about-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 40px var(--shadow);
    transition: transform 0.3s ease;
}

.about-image:hover {
    transform: scale(1.05);
}

.about-card {
    max-width: 100%;
    width: 100%;
}

.about-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.about-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
    transform: translate3d(0, 0, 0);
    will-change: transform;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translate3d(0, -10px, 0) scale(1.02);
    box-shadow: 0 15px 40px var(--shadow);
    border-color: var(--accent);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.service-icon.service-icon-image {
    width: 80px;
    height: 80px;
    object-fit: contain;
    font-size: 0;
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(5deg);
}

.service-card:hover .service-icon.service-icon-image {
    transform: scale(1.1);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Contact Section ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-info-section,
.contact-form-section {
    width: 100%;
}

.contact-card {
    max-width: 100%;
    width: 100%;
}

.contact-form-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px var(--shadow);
}

.contact-form-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-control {
    padding: 0.75rem 1rem;
    border: 2px solid var(--glass-border);
    border-radius: 10px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

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

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: var(--card-bg);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translate3d(-10px, 0, 0);
    box-shadow: 0 5px 20px var(--shadow);
}

.contact-item i {
    font-size: 2rem;
    color: var(--accent);
    width: 50px;
    text-align: center;
}

.contact-info h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-link {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    padding: 2rem 0;
    color: var(--text-secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    margin: 0;
    font-size: 1rem;
}

.footer-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.footer-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-link:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .nav-actions {
        gap: 0.5rem;
    }

    .lang-toggle,
    .theme-toggle {
        padding: 0.4rem 0.8rem;
        font-size: 1rem;
    }

    .hero-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .name-separator {
        display: none;
    }

    .name-en {
        font-size: 1.5rem;
    }

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

    .typing-text {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

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

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

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

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

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ===== Notification ===== */
.notification {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--accent);
    border-radius: 15px;
    padding: 1rem 2rem;
    box-shadow: 0 10px 40px var(--shadow);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideDown 0.3s ease;
}

.notification.success {
    border-color: #10b981;
}

.notification.success i {
    color: #10b981;
}

.notification.error {
    border-color: #ef4444;
}

.notification.error i {
    color: #ef4444;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* ===== Animations ===== */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translate3d(50px, 0, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translate3d(-50px, 0, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease both;
    will-change: opacity, transform;
}

.slide-in-right {
    animation: slideInRight 0.6s ease both;
    will-change: opacity, transform;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease both;
    will-change: opacity, transform;
}