/* =========================================
   VARIABLES & GLOBAL STYLES
   ========================================= */
:root {
    /* Color Palette - Clean White & Vibrant Blue */
    --primary-color: #0056FF;
    --primary-light: #4D8BFF;
    --primary-dark: #003ECC;
    --secondary-color: #F0F6FF;
    
    --bg-color: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-glass: rgba(255, 255, 255, 0.85);
    
    --text-main: #0F172A;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    
    --border-color: #E2E8F0;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 25px -3px rgba(0, 86, 255, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Font */
    --font-satoshi: 'Satoshi', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-satoshi);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--text-main);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 4px;
    background: var(--primary-color);
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-title p {
    color: var(--primary-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.9rem;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px rgba(0, 86, 255, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 86, 255, 0.4);
    color: white;
}

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

.btn-outline:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn i {
    margin-left: 8px;
}

/* =========================================
   HEADER & NAVIGATION
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.header.scrolled {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-main);
}

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

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    bottom: -4px;
    left: 0;
    transition: var(--transition);
}

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

.menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-main);
    cursor: pointer;
}

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

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

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

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

.name {
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 5px;
    letter-spacing: -1px;
}

.role {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 20px;
}

.bio {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.hero-btns {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--secondary-color);
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 86, 255, 0.2);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 450px;
    aspect-ratio: 1/1;
    border-radius: 30px;
    z-index: 1;
}

.image-wrapper::after {
    content: '';
    position: absolute;
    top: 20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 30px;
    z-index: -1;
    transition: var(--transition);
}

.image-wrapper:hover::after {
    transform: translate(-10px, -10px);
}

.image-wrapper img {
    border-radius: 30px;
    width: 100%;
    height: 100%;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 10px;
}

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

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(15px); opacity: 0; }
}

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

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

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.skill-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px 15px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.skill-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.skill-item span {
    display: block;
    font-weight: 700;
    color: var(--text-main);
}

/* =========================================
   PROJECTS SECTION
   ========================================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

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

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 86, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    opacity: 0;
    transition: var(--transition);
}

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

.project-link {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transform: translateY(20px);
    transition: var(--transition);
}

.project-card:hover .project-link {
    transform: translateY(0);
}

.project-link:hover {
    background: var(--text-main);
    color: white;
}

.project-link:nth-child(2) {
    transition-delay: 0.1s;
}

.project-info {
    padding: 25px;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.project-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-tags span {
    background: var(--secondary-color);
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 20px;
}

/* =========================================
   SERVICES SECTION
   ========================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--secondary-color);
    color: var(--primary-color);
    font-size: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary-color);
    color: white;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

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

/* =========================================
   EXPERIENCE SECTION
   ========================================= */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 100%;
    background: var(--border-color);
    left: 20px;
    top: 5px;
    bottom: 5px;
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 11px;
    top: 5px;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 4px solid var(--secondary-color);
    border-radius: 50%;
    z-index: 1;
}

.timeline-content {
    background: white;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.timeline-date {
    display: inline-block;
    padding: 5px 12px;
    background: var(--secondary-color);
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: 15px;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--text-main);
}

.timeline-content h4 {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 15px;
}

.timeline-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* =========================================
   CONTACT SECTION
   ========================================= */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.icon-box {
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-text h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-text p, .contact-text a {
    color: var(--text-muted);
    font-size: 1rem;
}

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

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

.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-satoshi);
    font-size: 1rem;
    color: var(--text-main);
    background: var(--bg-light);
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 255, 0.1);
    background: white;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    background: var(--text-main);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 30px;
}

.footer-logo a {
    font-size: 1.8rem;
    font-weight: 900;
    color: white;
}

.footer-logo span {
    color: var(--primary-light);
}

.footer-logo p {
    color: var(--text-light);
    margin-top: 10px;
    max-width: 300px;
}

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

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    color: white;
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */
@media screen and (max-width: 992px) {
    .name { font-size: 3.5rem; }
    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 50px;
    }
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .image-wrapper::after { display: none; }
    .about-content { grid-template-columns: 1fr; }
    .about-text { text-align: center; }
    .contact-container { grid-template-columns: 1fr; }
}

@media screen and (max-width: 768px) {
    .menu-btn { display: block; }
    
    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        padding: 20px;
        box-shadow: var(--shadow-md);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: var(--transition);
    }
    
    .navbar.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .nav-list {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .name { font-size: 2.8rem; }
    .section { padding: 70px 0; }
    .footer-content { flex-direction: column; text-align: center; gap: 30px; }
    .footer-logo p { margin: 10px auto 0; }
}

@media screen and (max-width: 480px) {
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-btns { flex-direction: column; width: 100%; }
    .contact-container { padding: 25px 15px; }
}