/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    
}
html, body { overflow-x: hidden; }

:root {
    /* Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #1a1a1a;
    --text-secondary: #6c757d;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
    --card-bg: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --border-color: #e0e0e0;
}

[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-primary: #818cf8;
    --accent-secondary: #a78bfa;
    --gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.7);
    --card-bg: #1a1a1a;
    --nav-bg: rgba(26, 26, 26, 0.95);
    --border-color: #333333;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Theme Overlay */
.theme-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.theme-overlay.active {
    opacity: 1;
    pointer-events: all;
}

#themeAnimation {
    width: 300px;
    height: 300px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

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

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

.theme-toggle {
    background: var(--bg-tertiary);
    border: none;
    padding: 10px 15px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 20px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.sun-icon,
.moon-icon {
    transition: opacity 0.3s ease;
}

[data-theme="dark"] .sun-icon {
    opacity: 0.3;
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
}

[data-theme="light"] .sun-icon {
    opacity: 1;
}

[data-theme="light"] .moon-icon {
    opacity: 0.3;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 60px;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.6);
}

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

.btn-secondary:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-3px);
}

.hero-animation {
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#heroLottie {
    width: 100%;
    height: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-secondary);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--accent-primary);
    margin: 10px auto;
}

/* Section Styles */
section {
    padding: 100px 20px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    max-width: 320px;
    margin: 0 auto;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    font-weight: 600;
    box-shadow: var(--shadow);
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    display: block;
}


.about-text p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 36px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.skill-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.skill-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.skill-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

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

.tag {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* Projects Section */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.project-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.project-image {
    width: 100%;
    height: 250px;
    background: var(--gradient);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    font-weight: 600;
}

.project-content {
    padding: 30px;
}

.project-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.project-tech span {
    background: var(--bg-tertiary);
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 13px;
    font-weight: 500;
}

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

.project-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--accent-secondary);
}

/* Gallery Section */
.gallery {
    background: var(--bg-primary);
}

.gallery-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    gap: 30px;
}

.gallery-wrapper {
    flex: 1;
    overflow: hidden;
    border-radius: 20px;
}

.gallery-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.gallery-item {
    min-width: 100%;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.gallery-item.active {
    opacity: 1;
    transform: scale(1);
}

.gallery-image {
    width: 100%;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--bg-tertiary);
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.05);
}

.gallery-info {
    margin-top: 30px;
    text-align: center;
    padding: 0 20px;
}

.gallery-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gallery-info p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.gallery-nav {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    font-size: 32px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

.gallery-nav:hover {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.1);
}

.gallery-nav:active {
    transform: scale(0.95);
}

.gallery-nav span {
    line-height: 1;
    margin-top: -3px;
}

.gallery-indicators {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator:hover {
    background: var(--accent-secondary);
    transform: scale(1.2);
}

.indicator.active {
    background: var(--accent-primary);
    width: 32px;
    border-radius: 6px;
}

/* Achievements Section */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--border-color);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    margin-bottom: 50px;
    position: relative;
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    text-align: right;
}

.timeline-item:nth-child(odd) .timeline-content {
    grid-column: 3;
}

.timeline-marker {
    width: 20px;
    height: 20px;
    background: var(--gradient);
    border-radius: 50%;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 0 4px var(--bg-primary);
}

.timeline-content {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.timeline-content h3 {
    font-size: 22px;
    margin-bottom: 5px;
}

.timeline-date {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 14px;
    display: block;
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
}

.contact-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

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

.contact-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    padding: 12px 24px;
    background: var(--card-bg);
    border: 2px solid var(--accent-primary);
    border-radius: 25px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-3px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.contact-form button {
    align-self: flex-start;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}
.hamburger-line {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    transition: all .3s ease;
}

.menu-toggle.active .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(6px,6px); }
.menu-toggle.active .hamburger-line:nth-child(2) { opacity: 0; }
.menu-toggle.active .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(7px,-6px); }


.nav-menu {
    display: flex;
    gap: 30px;
    list-style: none;
}
.nav-menu.active { display: flex; }   /* will be toggled by JS */



/* Footer */
.footer {
    background: var(--bg-tertiary);
    padding: 30px 20px;
    text-align: center;
    color: var(--text-secondary);
}

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

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


.theme-toggle {
    background: var(--bg-tertiary);
    border: none;
    padding: 8px 12px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: transform .3s;
}
.theme-toggle:hover { transform: scale(1.1); }




.gallery-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;          /* ← NEW */
    align-items: center;
    gap: 20px;
}
.gallery-wrapper { width: 100%; }    /* ← NEW */
.gallery-image { height: 350px; }








/* Responsive Design */

/* Increase gallery image height on desktop only */
@media (min-width: 769px) {
    .gallery-image {
        height: 550px;   /* ← NEW: taller on desktop */
    }
}

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

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--nav-bg);
        flex-direction: column;
        gap: 10px;
        padding: 20px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }

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

    .nav-link {
        width: 100%;
        text-align: center;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-animation {
        height: 300px;
    }

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

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

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        grid-template-columns: auto 1fr;
    }

    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content {
        grid-column: 2;
        text-align: left;
    }

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

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

    .gallery-container {
        flex-direction: column;
        gap: 20px;
    }

    .gallery-image {
        height: 300px;
    }

    .gallery-nav {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }

    .gallery-indicators {
        margin-top: 30px;
    }
    @media (max-width: 768px) {
    .menu-toggle { display: flex; }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--nav-bg);
        flex-direction: column;
        gap: 12px;
        padding: 15px 20px;
        box-shadow: 0 4px 10px rgba(0,0,0,.1);
        display: none;               /* hidden by default */
    }
    .nav-menu.active { display: flex; }

    .hero-title { font-size: 36px; }
    .hero-animation { height: 280px; }

    .gallery-image { height: 280px; }
    .gallery-nav { width: 50px; height: 50px; font-size: 24px; }
}

/* extra small phones */
@media (max-width: 480px) {
    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 16px; }
    .gallery-image { height: 220px; }
}
    
}

@media (max-width: 480px) {

    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 16px; }
    .gallery-image { height: 220px; }
    .container {
        padding: 0 15px;
    }

    .section-title {
        font-size: 36px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .btn {
        padding: 12px 25px;
        font-size: 14px;
    }

    .about-text p {
        font-size: 16px;
    }

    .stat h3 {
        font-size: 28px;
    }

    .stat p {
        font-size: 12px;
    }

    .skill-card {
        padding: 30px;
    }

    .skill-card h3 {
        font-size: 20px;
    }

    .tag {
        font-size: 12px;
        padding: 6px 12px;
    }

    .project-content {
        padding: 20px;
    }

    .project-content h3 {
        font-size: 20px;
    }

    .project-tech span {
        font-size: 12px;
        padding: 4px 10px;
    }

    .gallery-info h3 {
        font-size: 24px;
    }

    .gallery-info p {
        font-size: 14px;
    }

    .timeline-content {
        padding: 20px;
    }

    .timeline-content h3 {
        font-size: 18px;
    }

    .contact-subtitle {
        font-size: 16px;
    }

    .contact-item h3 {
        font-size: 16px;
    }

    .social-link {
        padding: 10px 20px;
        font-size: 14px;
    }

    .contact-form input,
    .contact-form textarea {
        font-size: 14px;
        padding: 12px 15px;
    }

    .footer p {
        font-size: 14px;
    }
}