/* ===========================================
   Gabriel Junco - Portfolio Styles v2
   Enhanced with animations & interactivity
   Mobile-first, clean, accessible
   =========================================== */

/* --- CSS Variables / Design Tokens --- */
:root {
    --color-primary: #0f766e;
    --color-primary-dark: #0d6460;
    --color-primary-light: #14b8a6;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-border: #e5e7eb;
    --color-accent: #fbbf24;
    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Consolas', 'Monaco', monospace;
    --max-width: 1100px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover, a:focus {
    color: var(--color-primary-dark);
}

ul { list-style: none; }

code {
    font-family: var(--font-mono);
    background: var(--color-bg-alt);
    padding: 0.1em 0.3em;
    border-radius: 4px;
    font-size: 0.9em;
}

/* --- Skip Link --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1rem;
    z-index: 9999;
    transition: top var(--transition);
}

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

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: box-shadow var(--transition);
}

.nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    max-width: var(--max-width);
    margin: 0 auto;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: transform var(--transition);
}

.nav-logo:hover {
    transform: scale(1.05);
    text-decoration: none;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
    transform-origin: center;
}

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

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--spacing-sm);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.nav-menu.active {
    display: flex;
}

.nav-menu a {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
}

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

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

@media (min-width: 768px) {
    .nav-toggle { display: none; }
    .nav-menu {
        display: flex;
        position: static;
        flex-direction: row;
        gap: var(--spacing-md);
        border: none;
        padding: 0;
        animation: none;
    }
}

/* --- Sections --- */
.section {
    padding: var(--spacing-lg) 0;
}

.section-alt {
    background: var(--color-bg-alt);
}

.section-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 2px;
}

.section-title .es {
    color: var(--color-text-light);
    font-weight: 400;
}

.section-intro {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 50%, rgba(15,118,110,0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(15,118,110,0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30px, 30px); }
}

.hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-img-wrapper {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto var(--spacing-md);
}

.hero-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-primary);
    position: relative;
    z-index: 1;
}

.hero-img-ring {
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border: 2px dashed var(--color-primary-light);
    border-radius: 50%;
    animation: spin 30s linear infinite;
}

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

.hero-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

.hero-greeting {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.hero-subtitle {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

/* Typing Effect */
.hero-typing {
    height: 2rem;
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    color: var(--color-primary);
}

.typing-cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 480px) {
    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    margin: 8px auto 0;
    border-right: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: white;
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    text-decoration: none;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-icon {
    font-size: 1.1em;
}

/* --- About Section --- */
.about-grid {
    display: grid;
    gap: var(--spacing-lg);
    align-items: center;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1.2fr 1fr;
    }
}

.about-content .lead {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.about-content p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.about-facts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.fact {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-xs);
    background: var(--color-bg-alt);
    border-radius: var(--radius);
}

.fact-icon {
    font-size: 1.25rem;
}

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

.about-image {
    position: relative;
}

.about-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.img-caption {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* --- Skills Section --- */
.skill-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.skill-filter {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    background: var(--color-bg);
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.9rem;
}

.skill-filter:hover,
.skill-filter.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.skills-grid {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 600px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.skill-category {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.skill-category:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.skill-category.hidden {
    display: none;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.skill-icon {
    font-size: 1.5rem;
}

.skill-header h3 {
    font-size: 1.1rem;
    color: var(--color-primary);
}

.skill-list li {
    margin-bottom: var(--spacing-sm);
}

.skill-name {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: 4px;
}

.skill-bar {
    height: 6px;
    background: var(--color-bg-alt);
    border-radius: 3px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    width: var(--progress);
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: 3px;
    transition: width 1s ease;
}

/* Animate skill bars on scroll */
.skill-category.animate .skill-progress {
    animation: fillBar 1s ease forwards;
}

@keyframes fillBar {
    from { width: 0; }
    to { width: var(--progress); }
}

/* --- Projects Section --- */
.project-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.project-filter {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    background: var(--color-bg);
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.9rem;
}

.project-filter:hover,
.project-filter.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.projects-grid {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 600px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.project-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

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

.project-card.hidden {
    display: none;
}

.project-card.featured {
    border-color: var(--color-primary);
    border-width: 2px;
}

.project-image {
    height: 120px;
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-border));
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder span {
    font-size: 3rem;
}

.project-body {
    padding: var(--spacing-md);
}

.project-header {
    margin-bottom: var(--spacing-sm);
}

.project-header h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.featured-badge {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-text);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

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

.tag {
    background: var(--color-bg-alt);
    color: var(--color-text-light);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.project-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-link {
    font-weight: 600;
    font-size: 0.9rem;
}

/* --- Value Section --- */
.value-grid {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 600px) {
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .value-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.value-item {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.value-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.value-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.value-item h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.value-item p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.value-proof {
    font-size: 0.8rem;
    color: var(--color-primary);
    padding-top: var(--spacing-xs);
    border-top: 1px solid var(--color-border);
}

/* --- Process Section --- */
.process-timeline {
    position: relative;
    padding-left: 40px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.process-item {
    position: relative;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

.process-number {
    position: absolute;
    left: -40px;
    top: 0;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
}

.process-content h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.process-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.process-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tool-tag {
    background: var(--color-bg-alt);
    color: var(--color-text-light);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* --- Interests Section --- */
.interests-grid {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 600px) {
    .interests-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.interest-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition);
}

.interest-card:hover {
    box-shadow: var(--shadow-md);
}

.interest-card.has-image {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

@media (max-width: 599px) {
    .interest-card.has-image {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }
}

.interest-image {
    height: 200px;
    overflow: hidden;
}

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

.interest-icon {
    font-size: 3rem;
    padding: var(--spacing-md);
    text-align: center;
}

.interest-content {
    padding: var(--spacing-md);
}

.interest-content h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.interest-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* --- Education Section --- */
.education-grid {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 600px) {
    .education-grid {
        grid-template-columns: 2fr 1fr;
    }
}

.edu-card {
    background: var(--color-bg-alt);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    display: flex;
    gap: var(--spacing-sm);
}

.edu-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.edu-content h3 {
    margin-bottom: 0.25rem;
}

.edu-institution {
    color: var(--color-primary);
    font-weight: 500;
}

.edu-date {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.edu-description {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
}

.edu-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-xs);
}

.edu-highlights span {
    background: var(--color-bg);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.cert-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.cert-list li:last-child {
    border-bottom: none;
}

.cert-issuer {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.placeholder {
    color: var(--color-text-light);
    font-style: italic;
}

/* --- Blog Placeholder --- */
.blog-placeholder {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-text-light);
}

.blog-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    gap: var(--spacing-lg);
    align-items: center;
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1.2fr 1fr;
    }
}

.contact-intro {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    color: var(--color-text);
}

.contact-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
    transform: translateX(4px);
    text-decoration: none;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.contact-value {
    font-weight: 500;
}

.contact-image {
    position: relative;
}

.contact-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* --- Footer --- */
.footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-alt);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

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

.back-link {
    font-size: 0.9rem;
}

/* --- Back to Top Button --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* --- Accessibility --- */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* --- Animations on Scroll --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Mobile Enhancements (max-width: 480px) --- */
@media (max-width: 480px) {
    /* Smaller text on very small screens */
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-greeting {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    /* Tighter spacing */
    .section {
        padding: var(--spacing-md) 0;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Stack about facts in single column */
    .about-facts {
        grid-template-columns: 1fr;
    }
    
    /* Full width buttons */
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-cta {
        width: 100%;
    }
    
    /* Smaller project placeholders */
    .project-image {
        height: 100px;
    }
    
    .project-placeholder span {
        font-size: 2.5rem;
    }
    
    /* Back to top button - smaller and closer to edge */
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
        font-size: 1rem;
    }
    
    /* Value grid single column */
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    /* Hide scroll indicator on small screens */
    .scroll-indicator {
        display: none;
    }
    
    /* Smaller typing text */
    .hero-typing {
        font-size: 0.95rem;
        min-height: 1.5rem;
    }
    
    /* Process timeline closer to edge */
    .process-timeline {
        padding-left: 30px;
    }
    
    .process-number {
        left: -30px;
        width: 28px;
        height: 28px;
        font-size: 0.7rem;
    }
    
    /* Contact cards stack nicely */
    .contact-card {
        padding: var(--spacing-xs);
    }
    
    .contact-icon {
        font-size: 1.25rem;
    }
    
    /* Skill filters wrap better */
    .skill-filters,
    .project-filters {
        justify-content: center;
    }
    
    .skill-filter,
    .project-filter {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* --- Tablet adjustments (481px - 767px) --- */
@media (min-width: 481px) and (max-width: 767px) {
    .hero-img-wrapper {
        width: 160px;
        height: 160px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    /* Two column value grid on tablets */
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --- Touch device optimizations --- */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices - they can be jarring */
    .project-card:hover,
    .skill-category:hover,
    .value-item:hover {
        transform: none;
    }
    
    /* Larger tap targets */
    .nav-menu a {
        padding: var(--spacing-sm) 0;
    }
    
    .skill-filter,
    .project-filter {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

/* --- Landscape phone mode --- */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-img-wrapper {
        width: 120px;
        height: 120px;
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* --- Print Styles --- */
@media print {
    .nav, .hero-cta, .project-links, .contact-links .btn,
    .back-to-top, .scroll-indicator, .skill-filters, .project-filters {
        display: none;
    }
    
    .section {
        padding: var(--spacing-sm) 0;
        page-break-inside: avoid;
    }
}