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

:root {
    --primary-color: #3b82f6;
    --secondary-color: #1e40af;
    --accent-color: #60a5fa;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --light-bg: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--light-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

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

.section-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.section-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}

.available-badge {
    background: #dcfce7;
    color: #166534;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

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

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    margin: 6px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    color: white;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.greeting h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.greeting .highlight {
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #cbd5e1;
    margin-bottom: 32px;
}

.hero-description strong {
    color: #fff;
    font-weight: 600;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.stat-item {
    text-align: center;
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 4px;
}

.stat-item p {
    font-size: 0.875rem;
    color: #cbd5e1;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.btn {
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
}

.tech-badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.tech-badge {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.875rem;
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.image-wrapper {
    position: relative;
}

.profile-placeholder {
    width: 350px;
    height: 350px;
    background: transparent;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none;
    position: relative;
    overflow: visible;
}

.profile-placeholder::before {
    display: none;
}

.profile-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    position: relative;
    z-index: 1;
}

.profile-placeholder i {
    font-size: 120px;
    color: rgba(255, 255, 255, 0.9);
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* About Section */
.about {
    background: white;
}

.about-intro {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 500;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.tech-stack {
    margin-top: 50px;
}

.tech-stack > h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 32px;
}

.stack-category {
    margin-bottom: 32px;
}

.stack-category h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

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

.tech-tags span {
    background: var(--light-bg);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.tech-tags span:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.education {
    margin-top: 60px;
}

.education > h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 32px;
}

.education-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--light-bg);
    border-radius: 12px;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.education-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.edu-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 10px;
    flex-shrink: 0;
}

.edu-info {
    flex: 1;
}

.edu-period {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.edu-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.edu-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.edu-note {
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
}

/* Experiences Section */
.experiences {
    background: var(--light-bg);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    padding-bottom: 60px;
}

.timeline-marker {
    position: absolute;
    left: 21px;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 2px var(--border-color);
}

.timeline-content {
    background: white;
    padding: 28px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.company-logo {
    width: 60px;
    height: 60px;
    background: var(--light-bg);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

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

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.period {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.job-type {
    color: var(--text-light);
    font-size: 0.875rem;
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.timeline-content h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Projects Section */
.projects {
    background: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
    gap: 32px;
}

.project-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.project-image i {
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.9);
    z-index: 1;
}

.project-info {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-category {
    display: inline-block;
    background: var(--light-bg);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
    width: fit-content;
    border: 1px solid var(--border-color);
}

.project-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.project-info p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.project-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    margin-top: auto;
}

.project-btn:hover {
    gap: 12px;
    color: var(--secondary-color);
}

.project-btn i {
    transition: transform 0.3s ease;
}

.project-btn:hover i {
    transform: translateX(4px);
}

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

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.contact-icon.whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
}

.contact-icon.email {
    background: linear-gradient(135deg, #ea4335, #d32f2f);
}

.contact-icon.linkedin {
    background: linear-gradient(135deg, #0077b5, #005885);
}

.contact-icon.github {
    background: linear-gradient(135deg, #333, #000);
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

/* Footer */
.footer {
    background: var(--dark-bg);
    color: #cbd5e1;
    text-align: center;
    padding: 40px 0;
}

.footer p {
    margin-bottom: 8px;
}

.footer-subtitle {
    color: #94a3b8;
    font-size: 0.95rem;
}

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

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

/* Responsive Design */
@media screen and (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-image {
        order: -1;
    }

    .profile-placeholder {
        width: 280px;
        height: 280px;
    }

    .profile-placeholder i {
        font-size: 100px;
    }

    .greeting h1 {
        font-size: 2.75rem;
    }

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

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-marker {
        left: 11px;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 30px 0;
        gap: 20px;
    }

    .nav-links.active {
        right: 0;
    }

    .burger {
        display: block;
    }

    .burger.active .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .burger.active .line2 {
        opacity: 0;
    }

    .burger.active .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .greeting h1 {
        font-size: 2.25rem;
    }

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

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

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

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

    section {
        padding: 60px 0;
    }
}

@media screen and (max-width: 480px) {
    .greeting h1 {
        font-size: 1.875rem;
    }

    .profile-placeholder {
        width: 240px;
        height: 240px;
    }

    .profile-placeholder i {
        font-size: 80px;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .timeline-content {
        padding: 20px;
    }

    .container {
        padding: 0 16px;
    }
}