/*
 * Jose's Portfolio - Advanced Styles
 * Focus on Accessibility (WCAG 2.1 AA) and Performance
 */

:root {
    --primary: #7C3AED;
    --primary-hover: #5B21B6;
    --text-dark: #111827;
    --text-muted: #374151; /* Darkened for better contrast */
    --bg-light: #FFFFFF;
    --gray-light: #F9FAFB;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --container-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Accessibility: Modern focus styles */
:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 4px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 1rem;
    z-index: 2000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Header & Nav */
.header {
    height: 80px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    cursor: default;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--transition);
}

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

.icon-btn {
    background: var(--text-dark);
    color: #fff;
    border: 2px solid var(--text-dark);
    width: 44px; /* Slightly larger for better touch target */
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

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

/* Hide icon-btn on mobile as requested */
@media (max-width: 968px) {
    .icon-btn {
        display: none;
    }
}

.menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-btn span {
    width: 100%;
    height: 2px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* Mobile Menu Elements (Hidden on Desktop) */
.mobile-only, .mobile-sidebar-header, .mobile-sidebar-footer, .mobile-menu-section {
    display: none;
}

/* Hero Section */
.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 5rem;
    padding-bottom: 5rem;
    gap: 4rem;
}

.hero-content {
    flex: 1.2;
    max-width: 650px;
}

.greeting {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.title {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
}

.highlight {
    color: var(--primary);
    background: linear-gradient(120deg, var(--primary) 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ampersand {
    font-weight: 300;
    color: #ccc;
}

.bio {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.bio strong {
    color: var(--text-dark);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

/* Buttons */
.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.75rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1rem;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--text-dark);
    color: white;
    border: 1px solid var(--text-dark);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 20px 25px -5px rgba(124, 58, 237, 0.2);
}

.btn-secondary {
    background-color: var(--gray-light);
    color: var(--text-dark);
    border: 1px solid #e5e7eb;
}

.btn-secondary:hover {
    background-color: #fff;
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

.btn-link {
    color: var(--text-dark);
    padding: 0.5rem;
    text-decoration: none;
    position: relative;
    font-weight: 600;
}

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

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

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

/* Hero Image */
.hero-image-container {
    flex: 0.8;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper {
    width: min(100%, 480px);
    aspect-ratio: 1;
    position: relative;
    border: 2px solid rgba(124, 58, 237, 0.15);
    border-radius: 50%;
    padding: 1.5rem;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.image-wrapper::before {
    content: '';
    position: absolute;
    inset: -15px;
    border: 1px dashed rgba(124, 58, 237, 0.3);
    border-radius: 50%;
    z-index: -1;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    background-color: var(--gray-light);
    filter: drop-shadow(0 20px 25px rgba(0,0,0,0.1));
    transition: var(--transition);
}

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

/* Projects Section & Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    padding: 4rem 0;
    justify-content: center;
}

@media (max-width: 640px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.project-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(124, 58, 237, 0.1);
    border-radius: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 25px 50px -12px rgba(124, 58, 237, 0.15);
}

.project-image-box {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
    background-color: var(--gray-light);
}

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

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

.project-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 10;
}

.project-info {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.project-info p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tags {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tag {
    background: var(--gray-light);
    color: var(--text-muted);
    padding: 0.35rem 0.85rem;
    border-radius: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border: 1px solid #e5e7eb;
}

.tag-demo {
    background: #10B981;
    color: white !important;
    border-color: #10B981;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.1);
}

.tag-demo:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.2);
}

.project-actions {
    display: flex;
    gap: 0.85rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.card-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    border-radius: 0.6rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.card-btn-primary {
    background: var(--primary);
    color: white;
    border: 1px solid var(--primary);
}

.card-btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
}

.card-btn-secondary {
    background: white;
    color: var(--text-dark);
    border: 1px solid #e5e7eb;
}

.card-btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-header .subtitle {
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.875rem;
    display: block;
    margin-bottom: 0.75rem;
}

.section-header .title {
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    padding: 4rem 0;
    border-top: 1px solid rgba(0,0,0,0.05);
    color: var(--text-muted);
    font-size: 0.9375rem;
    text-align: center;
}

/* Contact Page Styles */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 3rem 0;
}

.contact-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(124, 58, 237, 0.1);
    border-radius: 1.25rem;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.contact-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px -10px rgba(124, 58, 237, 0.15);
}

.contact-icon {
    width: 64px;
    height: 64px;
    background: var(--gray-light);
    color: var(--primary);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.contact-card:hover .contact-icon {
    background: var(--primary);
    color: white;
    transform: rotate(10deg);
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
}

.contact-card p {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 500;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 2000;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

@keyframes pulse-whatsapp {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.whatsapp-float {
    animation: pulse-whatsapp 2s infinite;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        gap: 2rem;
    }
    .title {
        font-size: 3.5rem;
    }
}

@media (max-width: 968px) {
    .menu-btn {
        display: flex;
    }

    /* Override hidden mobile elements */
    .mobile-only {
        display: block;
    }
    svg.mobile-only {
        display: inline-block;
    }
    .mobile-sidebar-header, .mobile-sidebar-footer {
        display: flex;
    }
    .mobile-menu-section {
        display: block;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        position: fixed;
        top: 0;
        right: 0;
        transform: translateX(100%);
        visibility: hidden;
        width: 85%;
        max-width: 380px;
        height: 100vh;
        background: #F8F9FA;
        padding: 0;
        box-shadow: -10px 0 30px rgba(0,0,0,0.15);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s;
        z-index: 1005;
        gap: 0;
        overflow-y: auto;
        border-top-left-radius: 2rem;
        border-bottom-left-radius: 2rem;
    }

    .nav-links.active {
        transform: translateX(0);
        visibility: visible;
    }

    .mobile-sidebar-header {
        background: var(--primary);
        color: white;
        padding: 2rem 1.5rem 2.5rem;
        flex-direction: column;
        align-items: center;
        border-bottom-left-radius: 35% 15%;
        border-bottom-right-radius: 35% 15%;
        margin-bottom: 0.5rem;
        position: relative;
    }

    .mobile-logo-row {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 1.5rem;
    }

    .mobile-logo-row .logo {
        color: white;
    }

    .mobile-logo-row .logo span {
        color: rgba(255,255,255,0.7);
    }

    .mobile-close-btn {
        background: transparent;
        border: none;
        color: white;
        cursor: pointer;
        padding: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: transform 0.3s ease;
    }

    .mobile-close-btn:hover {
        transform: rotate(90deg);
    }

    .mobile-profile {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .profile-img {
        width: 72px;
        height: 72px;
        border-radius: 50%;
        border: 2px solid rgba(255, 255, 255, 0.3);
        margin-bottom: 0.75rem;
        object-fit: cover;
    }

    .profile-name {
        font-size: 1.35rem;
        font-weight: 700;
        color: white;
        letter-spacing: -0.02em;
    }

    .profile-title {
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.85);
        margin-top: 0.25rem;
    }

    .mobile-menu-section {
        padding: 1.5rem 1.75rem 0.5rem;
    }

    .mobile-section-title {
        font-size: 1rem;
        font-weight: 600;
        color: var(--text-dark);
        opacity: 0.9;
    }

    .nav-links li {
        width: 100%;
        padding: 0 1.25rem;
        list-style: none;
        margin-bottom: 0.25rem;
    }

    .nav-links a {
        display: flex;
        align-items: center;
        gap: 1rem;
        font-size: 1.05rem;
        font-weight: 500;
        color: var(--text-dark);
        padding: 0.85rem 1.25rem;
        border-radius: 1.5rem;
        transition: var(--transition);
        position: relative;
    }

    .nav-links a::after {
        display: none !important;
    }

    .nav-links a:hover,
    .nav-links a.active {
        background: white;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
        color: var(--text-dark);
    }

    .menu-icon {
        color: var(--text-muted);
        opacity: 0.8;
    }

    .nav-links a:hover .menu-icon,
    .nav-links a.active .menu-icon {
        color: var(--primary);
        opacity: 1;
    }

    .mobile-sidebar-footer {
        margin-top: auto;
        padding: 1.5rem 1.75rem 2.5rem;
        flex-direction: column;
        gap: 1.5rem;
    }

    .sign-out-link {
        color: #F43F5E !important;
        font-weight: 500 !important;
        padding: 0 1.25rem !important;
        background: transparent !important;
        box-shadow: none !important;
    }

    .sign-out-link:hover {
        background: transparent !important;
        box-shadow: none !important;
    }

    .sign-out-link .menu-icon {
        color: #F43F5E !important;
        opacity: 1;
    }

    .mobile-footer-buttons {
        display: flex;
        gap: 0.75rem;
        width: 100%;
    }

    .mobile-btn {
        flex: 1;
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
        border-radius: 2rem;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .menu-btn.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

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

    .menu-btn.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .hero {
        flex-direction: column-reverse;
        text-align: center;
        gap: 4rem;
        padding-top: 3rem;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .bio {
        margin-left: auto;
        margin-right: auto;
        max-width: 600px;
    }
    
    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2.8rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .header, .hero-actions, .footer { display: none; }
    body { color: #000; background: #fff; }
}

/* Gallery Modal (Lightbox) */
.modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    z-index: 3001;
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.active .modal-container {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: -3.5rem;
    right: 0;
    background: white;
    color: var(--text-dark);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.modal-close:hover {
    background: var(--primary);
    color: white;
    transform: rotate(90deg);
}

.modal-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
}

.gallery-image-wrapper {
    flex: 1;
    background: white;
    padding: 0.75rem;
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 0.75rem;
}

.gallery-nav {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

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

.gallery-counter {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .modal-content {
        gap: 0.5rem;
    }
    .gallery-nav {
        display: none;
    }
    .modal-container {
        padding: 0 0.5rem;
    }
    .gallery-image-wrapper {
        aspect-ratio: 4/5;
        padding: 0.5rem;
    }
}