/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4a5568;  /* Dark grey */
    --secondary-color: #2d3748;  /* Darker grey for hover */
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background: #ffffff;
    --light-background: #f3f4f6;
    --border-color: #e5e7eb;
    --logo-color: #333333;  /* Dark grey color for logo */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background);
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--background);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--logo-color);
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo span {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--logo-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    transition: all 0.3s ease-in-out;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 0.25rem;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); /* Dark overlay */
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
    padding: 0 1rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: pulse 2s ease-in-out 2,
               glow 1s ease-in-out 4s forwards;
}

.hero-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

/* Projects Section */
.featured-projects {
    padding: 5rem 5%;
    background-color: var(--light-background);
}

.featured-projects h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.project-card {
    background: var(--background);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.project-links {
    display: flex;
    gap: 1rem;
    padding: 0 1rem 1rem;
}

.project-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.25rem 0;
}

.project-link:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-card h3 {
    padding: 1rem;
    font-size: 1.25rem;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}

.project-card h3:hover {
    animation: slideText 10s linear infinite;
}

@keyframes slideText {
    0% {
        transform: translateX(0);
        opacity: 1;
    }
    20% {
        transform: translateX(0);
        opacity: 1;
    }
    40% {
        transform: translateX(calc(-50% + 1rem));
        opacity: 1;
    }
    45% {
        transform: translateX(calc(-50% + 1rem));
        opacity: 0;
    }
    50% {
        transform: translateX(0);
        opacity: 0;
    }
    55% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

.project-card p {
    padding: 0 1rem 1rem;
    color: var(--light-text);
}

.view-more {
    text-align: center;
    margin-top: 3rem;
}

.view-more .cta-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.view-more .cta-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

/* About Section */
.about {
    padding: 5rem 5%;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
}

.about h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--light-text);
}

.skills-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skills-list li {
    background-color: var(--light-background);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
}

.about-image {
    position: relative;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 5px;
    background-color: var(--background);
}

.about-image img {
    width: 100%;
    height: auto;
    max-width: 400px;
    display: block;
    margin: 0 auto;
    object-fit: cover;
    aspect-ratio: 1;
    border-radius: 0.5rem;
    transition: transform 0.3s ease;
}

.about-image:hover img {
    transform: scale(1.02);
}

/* Portfolio Page */
.portfolio-page {
    padding: 8rem 5% 5rem;
}

.portfolio-page h1 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.portfolio-item {
    background: var(--background);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.portfolio-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: center;
}

.portfolio-content {
    padding: 1.5rem;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tech-stack span {
    background-color: var(--light-background);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
}

/* Contact Page */
.contact-page {
    padding: 8rem 5% 5rem;
}

.contact-page h1 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info {
    background-color: var(--light-background);
    padding: 2rem;
    border-radius: 0.5rem;
}

.contact-info h2 {
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-item i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

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

.form-group label {
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: inherit;
}

.submit-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.submit-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

/* Footer */
footer {
    background-color: var(--light-background);
    padding: 2rem 5%;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--background);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        z-index: 1000;
        opacity: 0;
        transform: translateY(-100%);
    }

    .nav-links.active {
        display: flex;
        opacity: 1;
        transform: translateY(0);
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-grid,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }
    50% {
        transform: scale(1.05);
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.5),
                     0 0 30px rgba(255, 255, 255, 0.3),
                     0 0 40px rgba(255, 255, 255, 0.2);
    }
    100% {
        transform: scale(1);
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }
}

@keyframes glow {
    0% {
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }
    100% {
        text-shadow: 0 0 10px rgba(255, 255, 255, 0.5),
                     0 0 20px rgba(255, 255, 255, 0.3),
                     0 0 30px rgba(255, 255, 255, 0.2);
    }
}

.hero-content,
.project-card,
.portfolio-item,
.contact-info,
.contact-form {
    animation: fadeIn 0.6s ease-out;
}

/* Skills Section */
.skills {
    padding: 5rem 5%;
    background-color: var(--background);
}

.skills h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.skills h2:not(:first-child) {
    margin-top: 4rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-item {
    background: var(--light-background);
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.skill-gauge {
    height: 10px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    overflow: hidden;
    position: relative;
}

.gauge-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
    transition: width 1.5s ease-in-out;
    animation: waterWave 2s ease-in-out infinite;
}

.gauge-fill::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 0;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 25%,
        transparent 50%
    );
    animation: wave 3s linear infinite;
}

@keyframes waterWave {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-2px);
    }
}

@keyframes wave {
    0% {
        transform: translateX(-50%) rotate(0deg);
    }
    100% {
        transform: translateX(-50%) rotate(360deg);
    }
}