/* CSS Variables & Theme */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f5;
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-tertiary: #718096;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --color-primary: #667eea;
    --color-secondary: #f093fb;
    --color-accent: #4facfe;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.dark-theme {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-tertiary: #718096;
    --border-color: #2d3748;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-primary);
    top: -250px;
    left: -250px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-secondary);
    bottom: -200px;
    right: -200px;
    animation-delay: 7s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: var(--gradient-accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(50px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.85) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.dark-theme .navbar {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link:hover {
    color: white;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    position: relative;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.sun-icon,
.moon-icon {
    position: absolute;
    transition: all var(--transition-base);
}

.light-theme .moon-icon {
    opacity: 0;
    transform: rotate(180deg);
}

.dark-theme .sun-icon {
    opacity: 0;
    transform: rotate(-180deg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('hero-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(8px);
    z-index: -1;
    opacity: 0.4;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
            rgba(102, 126, 234, 0.1) 0%,
            rgba(118, 75, 162, 0.1) 100%);
    z-index: -1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.typing-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.cursor {
    color: var(--color-primary);
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

.btn-primary svg {
    transition: transform var(--transition-base);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

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

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: arrowBounce 2s infinite;
    cursor: pointer;
}

.scroll-arrows {
    color: var(--text-secondary);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

@keyframes arrowBounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    margin-bottom: 2rem;
}

.about-section {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('about-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(8px);
    z-index: 0;
    opacity: 0.3;
}

.about-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
            rgba(79, 172, 254, 0.1) 0%,
            rgba(0, 242, 254, 0.1) 100%);
    z-index: 0;
}

.about-section .container {
    position: relative;
    z-index: 1;
}

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

.about-content {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.skill-tag {
    padding: 0.75rem 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
}

.skill-tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    border-radius: 50%;
    transform: rotate(6deg);
    opacity: 0.2;
    transition: transform var(--transition-slow);
}

.image-wrapper:hover .image-bg {
    transform: rotate(3deg);
}

.profile-image {
    position: relative;
    background: white;
    border-radius: 50%;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.profile-image::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: var(--gradient-primary);
    z-index: -1;
    animation: borderShake 2s infinite;
}

.profile-image::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 50%;
    background: white;
    z-index: -1;
}

@keyframes borderShake {

    0%,
    100% {
        opacity: 0.8;
        filter: blur(0px);
    }

    25% {
        opacity: 1;
        filter: blur(1px);
    }

    50% {
        opacity: 0.8;
        filter: blur(0px);
    }

    75% {
        opacity: 1;
        filter: blur(1px);
    }
}

.profile-image svg {
    stroke: var(--text-secondary);
}

.projects-section {
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.projects-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('projects-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(8px);
    z-index: 0;
    opacity: 0.3;
}

.projects-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
            rgba(240, 147, 251, 0.1) 0%,
            rgba(245, 87, 108, 0.1) 100%);
    z-index: 0;
}

.projects-section .container {
    position: relative;
    z-index: 1;
}

.section-header {
    margin-bottom: 3rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(800px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 3px solid;
    border-image: var(--gradient-primary) 1;
    transition: all var(--transition-base);
    display: grid;
    grid-template-columns: 450px 1fr;
    gap: 0;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: var(--radius-xl);
    padding: 3px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    z-index: 0;
}

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

.project-card:hover::before {
    background: var(--gradient-secondary);
}

.project-image {
    position: relative;
    height: 100%;
    min-height: 400px;
    background: var(--bg-tertiary);
    overflow: hidden;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}



.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
    position: relative;
    z-index: 1;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
}

.project-placeholder svg {
    stroke: white;
    opacity: 0.8;
}

.project-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.project-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.tag {
    padding: 0.6rem 1.25rem;
    background: transparent;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-base);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
}

.project-link:hover {
    transform: translateY(-2px);
    color: var(--text-primary);
}

.project-link.primary {
    background: var(--gradient-primary);
    color: white;
}

.project-link.primary:hover {
    box-shadow: var(--shadow-md);
}

.contact-section {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('contact-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(8px);
    z-index: 0;
    opacity: 0.25;
}

.contact-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
            rgba(102, 126, 234, 0.15) 0%,
            rgba(118, 75, 162, 0.15) 100%);
    z-index: 0;
}

.contact-section .container {
    position: relative;
    z-index: 1;
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.contact-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.contact-icon.email {
    background: rgba(99, 102, 241, 0.35);
    color: #4f46e5;
}

.contact-icon.phone {
    background: rgba(236, 72, 153, 0.35);
    color: #db2777;
}

.contact-icon.location {
    background: rgba(6, 182, 212, 0.35);
    color: #0891b2;
}

.contact-card:hover .contact-icon {
    transform: scale(1.1);
}

.contact-card:hover .contact-icon.email {
    background: rgba(99, 102, 241, 0.5);
}

.contact-card:hover .contact-icon.phone {
    background: rgba(236, 72, 153, 0.5);
}

.contact-card:hover .contact-icon.location {
    background: rgba(6, 182, 212, 0.5);
}

.contact-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.contact-link {
    color: var(--color-primary);
}

.contact-link:hover {
    text-decoration: underline;
}

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

.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.social-link {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    border: none;
}

.social-linkedin {
    background: linear-gradient(135deg, #0077b5 0%, #0a66c2 100%);
}

.social-instagram {
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-facebook {
    background: linear-gradient(135deg, #1877f2 0%, #0d65d9 100%);
}

.social-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
}

.social-x {
    background: linear-gradient(135deg, #000000 0%, #14171a 100%);
}

.social-github {
    background: linear-gradient(135deg, #24292e 0%, #1a1e22 100%);
}

.social-link:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

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

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-content {
        text-align: center;
    }

    .title-underline {
        margin-left: auto;
        margin-right: auto;
    }

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

    .project-card {
        grid-template-columns: 1fr;
    }

    .project-image {
        min-height: 300px;
    }

    .project-content {
        padding: 2rem;
    }

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

@media (max-width: 640px) {
    .nav-container {
        padding: 1rem;
    }

    .hero-section {
        padding: 5rem 1rem 3rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: var(--spacing-xl) 0;
    }

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