/* ==================== ROOT & VARIABLES ==================== */
:root {
    /* Light Mode Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #ec4899;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Animation */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

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

a:hover {
    color: var(--primary-dark);
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

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

/* ==================== NAVBAR ==================== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Poppins', sans-serif;
}

.logo-text {
    color: var(--primary-color);
}

.logo-dot {
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    font-size: 0.95rem;
}

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

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

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

.menu-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    padding: 0 2rem;
}

.hero-text {
    animation: slideInLeft 0.8s ease;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-typing {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    min-height: 2rem;
}

.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1.5rem;
    background: var(--primary-color);
    margin-left: 5px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50%, 100% {
        opacity: 1;
    }
    51%, 99% {
        opacity: 0;
    }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.hero-animation {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: slideInRight 0.8s ease;
}

.animated-grid {
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 48%, var(--primary-color) 49%, var(--primary-color) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, var(--primary-color) 49%, var(--primary-color) 51%, transparent 52%);
    background-size: 40px 40px;
    opacity: 0.1;
    border-radius: 20px;
    animation: spin 20s linear infinite;
}

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

/* ==================== ANIMATIONS ==================== */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ==================== SECTIONS COMMON ==================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    margin: 1rem auto 0;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* ==================== ABOUT SECTION ==================== */
.about {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 15px;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-card {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 15px;
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.highlight-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.highlight-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.highlight-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.highlight-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ==================== SKILLS SECTION ==================== */
.skills {
    background: var(--bg-light);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    animation: slideInUp 0.5s ease;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.skill-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.skill-bar {
    background: var(--bg-light);
    height: 8px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    animation: fillBar 2s ease;
}

@keyframes fillBar {
    from {
        width: 0 !important;
    }
}

.skill-card p {
    color: var(--primary-color);
    font-weight: 600;
}

/* ==================== PROJECTS SECTION ==================== */
.projects {
    background: var(--bg-white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--bg-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    animation: scaleIn 0.5s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--bg-light);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-link {
    background: var(--primary-color);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.tag {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ==================== CERTIFICATIONS SECTION ==================== */
.certifications {
    background: var(--bg-light);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.cert-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.5s ease;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.cert-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.cert-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin: 1rem 0;
}

.cert-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.cert-issuer {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.cert-description {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.cert-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ==================== HORIZONTAL SCROLLING CERTS ==================== */
.certs-scroll-wrapper {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 1rem 0;
    margin-top: 2rem;
    border-radius: 15px;
    background: var(--bg-white);
    box-shadow: var(--shadow);
}

.certs-scroll-wrapper::-webkit-scrollbar {
    height: 8px;
}

.certs-scroll-wrapper::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

.certs-scroll-wrapper::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.certs-scroll-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

.certs-scroll-container {
    display: flex;
    gap: 2rem;
    padding: 1rem 2rem;
    min-width: min-content;
}

.cert-item {
    flex-shrink: 0;
    width: 300px;
    text-align: center;
    transition: var(--transition);
    animation: slideInRight 0.5s ease;
}

.cert-item:hover {
    transform: translateY(-10px);
}

.cert-image {
    width: 100%;
    height: 350px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
    background: white;
}

.cert-item:hover .cert-image {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: rgba(0,0,0,0.9);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    backdrop-filter: blur(4px);
}

.fullscreen-overlay.open {
    display: flex;
    animation: fadeIn 0.25s ease;
}

.fullscreen-content {
    position: relative;
    max-width: 92vw;
    max-height: 92vh;
    width: min(900px, 100%);
    border-radius: 12px;
}

.fullscreen-image {
    width: 100%;
    max-height: 88vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    background: #fff;
}

.fullscreen-caption {
    margin-top: 0.8rem;
    color: white;
    text-align: center;
    font-size: 1rem;
}

.close-btn {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.6);
    background: rgba(0,0,0,0.5);
    color: white;
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 1.1rem;
    transition: all 0.2s ease;
}

.close-btn:hover {
    background: rgba(0,0,0,0.7);
    transform: scale(1.05);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* ==================== SERVICES SECTION ==================== */
.services {
    background: var(--bg-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 15px;
    transition: var(--transition);
    border: 2px solid transparent;
    animation: slideInUp 0.5s ease;
}

.service-card:hover {
    border-color: var(--primary-color);
    background: var(--bg-white);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.service-features i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.agency-cta {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 15px;
    color: white;
}

.agency-cta h3 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.agency-cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    background: var(--bg-light);
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 600px;
    width: 100%;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: 12px;
    transition: var(--transition);
}

.contact-item:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--text-light);
}

.contact-item a:hover {
    color: var(--primary-color);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

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

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

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-white);
        flex-direction: column;
        gap: 0;
        display: none;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        padding: 1rem var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu li a {
        display: block;
    }

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

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

    .section-title {
        font-size: 1.5rem;
    }

    .skills-grid,
    .projects-grid,
    .certifications-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-animation {
        display: none;
    }

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

    .hero-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .section-title {
        font-size: 1.3rem;
    }

    h1, h2, h3 {
        margin-bottom: 0.75rem;
    }

    .about-text p {
        font-size: 0.95rem;
    }

    .stat h3 {
        font-size: 1.5rem;
    }

    .navbar-container {
        padding: 0.75rem 1rem;
    }

    .nav-menu {
        gap: 0;
    }

    .project-image {
        height: 200px;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .agency-cta {
        padding: 1.5rem 1rem;
    }
}

/* ==================== SCROLL ANIMATIONS ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-slow);
}

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