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

:root {
    --primary-bg: #FFFFFF;
    --secondary-bg: #F8F9FA;
    --primary-accent: #FF6B00;
    --secondary-accent: #E65C00;
    --text-color: #1F2937;
    --secondary-text: #6B7280;
    --border-color: #E5E7EB;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--primary-bg);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

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

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-accent);
    text-decoration: none;
    transition: var(--transition);
}

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

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

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

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--primary-accent);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--primary-bg);
    padding: 100px 0 50px;
    position: relative;
    overflow: hidden;
}

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

.hero-left {
    z-index: 1;
}

.hero-greeting {
    font-size: 1.5rem;
    color: var(--secondary-text);
    margin-bottom: 0.5rem;
}

.hero-name {
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-accent);
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--secondary-text);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--secondary-text);
    margin-bottom: 2rem;
    max-width: 500px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

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

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.hero-right {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.hero-img {
    width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background-color: var(--primary-accent);
    top: -50px;
    right: -50px;
    animation: float 8s ease-in-out infinite reverse;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background-color: var(--secondary-accent);
    bottom: -30px;
    left: -30px;
    animation: float 10s ease-in-out infinite;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background-color: var(--primary-accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 7s ease-in-out infinite;
}

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

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.section-line {
    width: 80px;
    height: 4px;
    background-color: var(--primary-accent);
    margin: 0 auto;
    border-radius: 2px;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

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

.about-img-wrapper {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-info h3 {
    font-size: 2rem;
    color: var(--primary-accent);
    margin-bottom: 1rem;
}

.about-text {
    color: var(--secondary-text);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.detail-item i {
    font-size: 1.5rem;
    color: var(--primary-accent);
    margin-top: 5px;
}

.detail-item h4 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.detail-item p {
    color: var(--secondary-text);
    font-size: 0.95rem;
}

/* ===== Skills Section ===== */
.skills {
    background-color: var(--primary-bg);
}

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

.skill-card {
    background-color: var(--primary-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.1), transparent);
    transition: var(--transition);
}

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

.skill-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-accent);
}

.skill-card:hover .skill-icon {
    transform: rotateY(180deg);
    color: var(--secondary-accent);
}

.skill-icon {
    font-size: 3rem;
    color: var(--primary-accent);
    margin-bottom: 1rem;
    transition: var(--transition);
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

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

.skill-card h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.skill-card:hover h3 {
    color: var(--primary-accent);
    transform: translateY(-3px);
}

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

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--primary-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 0.75rem;
}

.project-content p {
    color: var(--secondary-text);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tags span {
    background-color: var(--secondary-bg);
    color: var(--primary-accent);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

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

/* ===== Certificates Section ===== */
.certificates {
    background-color: var(--primary-bg);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.certificate-card {
    background-color: var(--primary-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
}

.certificate-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-accent);
}

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

.certificate-card h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.certificate-card p {
    color: var(--secondary-text);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.certificate-year {
    display: inline-block;
    background-color: var(--primary-accent);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===== Achievements Section ===== */
.achievements {
    background-color: var(--secondary-bg);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.achievement-card {
    background-color: var(--primary-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.achievement-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-accent);
}

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

.achievement-card h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

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

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    color: var(--primary-accent);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--secondary-text);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-details {
    margin-bottom: 2rem;
}

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

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-accent);
    margin-top: 5px;
}

.contact-item h4 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.contact-item a {
    color: var(--secondary-text);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--secondary-bg);
    color: var(--primary-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-accent);
    color: white;
    transform: translateY(-5px);
}

.contact-form-wrapper {
    background-color: var(--secondary-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--primary-bg);
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-nav {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--secondary-text);
    text-decoration: none;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--primary-accent);
}

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

.footer-social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary-bg);
    color: var(--primary-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social-link:hover {
    background-color: var(--primary-accent);
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--secondary-text);
    margin-bottom: 0.5rem;
}

.footer-bottom i {
    color: var(--primary-accent);
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-left {
        order: 2;
    }

    .hero-right {
        order: 1;
    }

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

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

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

    .about-image {
        order: -1;
    }

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

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--primary-bg);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
        gap: 1.5rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-name {
        font-size: 3rem;
    }

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

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

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

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

    .footer-nav {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2.5rem;
    }

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

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

    .section-title {
        font-size: 1.8rem;
    }

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

    .certificates-grid,
    .achievements-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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