/* ===== CSS CUSTOM PROPERTIES (VARIABLES) ===== */
:root {
    /* Colors */
    --primary-color: #0066cc;
    --primary-dark: #004c99;
    --primary-light: #0080ff;
    --secondary-color: #8b0000;
    --accent-color: #00d4ff;

    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --text-light: #999;

    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;

    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Z-index layers */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;

    /* Layout */
    --nav-height: 60px;
    --bottom-nav-height: 70px;
    --container-max-width: 1200px;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;

    /* Mobile-first: Add padding for bottom navigation */
    padding-bottom: var(--bottom-nav-height);
}

/* ===== CONTAINER & LAYOUT ===== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-sm);
    flex: 1;
}

/* ===== HEADER STYLES ===== */
header.head {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    padding: var(--spacing-md) var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    animation: fadeInDown var(--transition-slow);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#title {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.5px;
}

.highlight {
    color: var(--text-primary);
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.flag {
    flex-shrink: 0;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.1));
    transition: transform var(--transition-base);
}

.flag:hover {
    transform: scale(1.1) rotate(5deg);
}

#subtitle {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    color: var(--text-secondary);
    font-weight: 500;
    padding-left: var(--spacing-xs);
}

/* ===== NAVIGATION - MOBILE FIRST (BOTTOM NAV) ===== */
.nav-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: var(--z-fixed);
    border-top: 1px solid var(--border-color);
    padding-bottom: env(safe-area-inset-bottom, 0); /* iOS safe area */
}

.nav-bar ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: var(--bottom-nav-height);
}

.nav-bar ul li {
    flex: 1;
    display: flex;
}

.nav-bar ul li a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--spacing-xs);
    transition: all var(--transition-base);
    position: relative;
    letter-spacing: 0.3px;
}

/* Icon placeholders for mobile nav (using emoji/symbols) */
.nav-bar ul li a::before {
    content: '';
    font-size: 1.5rem;
    transition: transform var(--transition-base);
}

#nav-home::before { content: '🏠'; }
#nav-projects::before { content: '💼'; }
#nav-about::before { content: '👤'; }
#nav-contact::before { content: '✉️'; }

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

.nav-bar ul li a:hover::before,
.nav-bar ul li a.active::before {
    transform: scale(1.2);
}

/* Active indicator */
.nav-bar ul li a.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}



/* ===== NAVIGATION ARROWS (for index.html) ===== */
.nav-arrows {
    text-align: center;
    margin-top: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.nav-arrows button {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    min-width: 140px;
    position: relative;
    overflow: hidden;
}

.nav-arrows button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.nav-arrows button:hover::before {
    left: 100%;
}

.nav-arrows button:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.nav-arrows button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* ===== MAIN CONTENT ===== */
main {
    background-color: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    animation: fadeIn var(--transition-slow);
}

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

/* ===== CONTENT TRANSITIONS ===== */
#content {
    opacity: 1;
    transition: opacity var(--transition-slow) ease-in-out;
}

.fade-out {
    opacity: 0;
}

/* ===== LAYOUT - TWO COLUMN (ABOUT PAGE) ===== */
.row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.col1 {
    flex: 1;
    order: 2;
}

.col2 {
    flex: 1;
    order: 1;
}

/* ===== TYPOGRAPHY ===== */
h3 {
    color: var(--secondary-color);
    font-size: clamp(1.5rem, 4vw, 1.8rem);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    letter-spacing: -0.3px;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    line-height: 1.7;
}

/* ===== IMAGES ===== */
.col2 img,
.col2 picture {
    display: block;
    max-width: 100%;
    height: auto;
}

.col2 img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.col2 img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
}

.flag-wrapper {
    margin-top: var(--spacing-sm);
}

.flag-wrapper img {
    width: 24px;
    height: auto;
    vertical-align: middle;
    display: inline-block;
}


/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.contact-header {
    color: var(--secondary-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.contact-header h2 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: 700;
}

.contact-header p {
    margin: 0;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    color: var(--text-primary);
}

.contact-header a {
    color: var(--bg-primary);
    text-decoration: none;
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    transition: all var(--transition-base);
    font-weight: 500;
}

.contact-header a:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-list {
    list-style-type: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    max-width: 600px;
    margin: 0 auto;
}

.contact-list li {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

.contact-list li:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.contact-list a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: color var(--transition-base);
}

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


/* ===== PROJECTS SECTION ===== */
.projects-section {
    padding: var(--spacing-md) 0;
}

.projects-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--secondary-color);
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: 700;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.project-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    transition: height var(--transition-base);
}

.project-card:hover::before {
    height: 100%;
}

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

.project-card h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
    font-size: clamp(1.1rem, 3vw, 1.3rem);
}

.project-card p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.project-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.project-links a:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.project-links a:active {
    transform: translateY(0);
}

/* ===== MEDIA QUERIES - TABLET AND UP ===== */
@media (min-width: 768px) {
    body {
        padding-bottom: 0;
    }

    .container {
        padding: var(--spacing-lg);
    }

    /* Desktop navigation - horizontal at top */
    .nav-bar {
        position: static;
        box-shadow: none;
        border-top: none;
        border-bottom: 1px solid var(--border-color);
        margin-bottom: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .nav-bar ul {
        height: auto;
        padding: var(--spacing-sm) 0;
        gap: var(--spacing-md);
    }

    .nav-bar ul li a {
        flex-direction: row;
        gap: var(--spacing-xs);
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-md);
        border-radius: var(--radius-sm);
    }

    .nav-bar ul li a::before {
        font-size: 1.2rem;
    }

    .nav-bar ul li a:hover {
        background-color: var(--bg-secondary);
    }

    .nav-bar ul li a.active {
        background-color: var(--primary-color);
        color: white;
    }

    .nav-bar ul li a.active::after {
        display: none;
    }

    .nav-bar ul li a.active::before {
        filter: brightness(0) invert(1);
    }

    /* Two column layout for About page */
    .row {
        flex-direction: row;
        align-items: flex-start;
    }

    .col1 {
        flex: 2;
        order: 1;
    }

    .col2 {
        flex: 1;
        order: 2;
    }

    /* Projects grid - 2 columns on tablet */
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    header.head {
        padding: var(--spacing-lg);
    }

    #title {
        font-size: clamp(2.5rem, 5vw, 3.5rem);
    }
}

/* ===== MEDIA QUERIES - DESKTOP ===== */
@media (min-width: 1024px) {
    .container {
        max-width: var(--container-max-width);
    }

    /* Projects grid - 3 columns on desktop */
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Larger contact grid */
    .contact-list {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: var(--spacing-md);
    }

    /* Hero section - side by side layout */
    .hero-section {
        flex-direction: row;
        align-items: center;
        min-height: 70vh;
    }

    .hero-content {
        flex: 1.5;
    }

    .hero-image {
        flex: 1;
    }

    /* Skills grid - 2 columns */
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    /* About content - side by side */
    .about-content {
        flex-direction: row;
        align-items: flex-start;
    }

    .about-text {
        flex: 2;
    }

    .about-sidebar {
        flex: 1;
        position: sticky;
        top: var(--spacing-lg);
    }
}

/* ===== LARGE DESKTOP ===== */
@media (min-width: 1280px) {
    /* Skills grid - 3 columns */
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Featured projects - 3 columns */
    .featured-projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== DARK MODE SUPPORT (OPTIONAL) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #e4e4e7;
        --text-secondary: #a1a1aa;
        --text-light: #71717a;

        --bg-primary: #18181b;
        --bg-secondary: #27272a;
        --bg-tertiary: #3f3f46;

        --border-color: #3f3f46;
    }

    .col2 img {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
}

/* ===== HERO SECTION (HOMEPAGE) ===== */
.hero-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
    min-height: 60vh;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    width: fit-content;
    margin-bottom: var(--spacing-md);
    animation: slideInLeft var(--transition-slow);
}

.badge-icon {
    font-size: 1.2rem;
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(20deg); }
    75% { transform: rotate(-20deg); }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-title {
    font-size: clamp(2rem, 8vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

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

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-description {
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

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

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

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

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

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.5s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-number {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease-out 0.3s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.image-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    opacity: 0.1;
    z-index: -1;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}

.hero-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-slow);
}

.hero-img:hover {
    transform: scale(1.02) rotate(2deg);
}

/* ===== SKILLS SECTION ===== */
.skills-section {
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.section-title {
    text-align: center;
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

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

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.skill-card h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.skill-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ===== FEATURED PROJECTS ===== */
.featured-projects-section {
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.featured-projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.featured-project-card {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.featured-project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.featured-project-card:hover::before {
    transform: scaleX(1);
}

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

.project-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 4px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.view-all-projects {
    text-align: center;
}

/* ===== ABOUT PAGE STYLES ===== */
.about-hero {
    text-align: center;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.about-intro {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    font-weight: 500;
    font-style: italic;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.about-text {
    flex: 2;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.about-block {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.about-block h3 {
    font-size: clamp(1.2rem, 3vw, 1.4rem);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.about-list {
    list-style: none;
    padding-left: 0;
}

.about-list li {
    padding-left: var(--spacing-lg);
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.about-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.about-sidebar {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.about-image-wrapper {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.quick-facts,
.tech-stack-list {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.quick-facts h4,
.tech-stack-list h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.fact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.fact-item:last-child {
    margin-bottom: 0;
}

.fact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.fact-item strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.fact-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tech-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===== PRINT STYLES ===== */
@media print {
    .nav-bar,
    .nav-arrows,
    footer .flag-wrapper {
        display: none;
    }

    body {
        padding-bottom: 0;
        background: white;
        color: black;
    }

    .container {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .highlight {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .flag {
        margin: 0 auto 15px auto;
        order: -1;
        display: block;
    }

    #title {
        font-size: 2.5rem;
        text-align: center;
    }

    #subtitle {
        display: block;
        text-align: center;
    }

    .row {
        flex-direction: column;
    }

    .col1 {
        padding-right: 0;
        margin-bottom: 20px;
        order: 2;
    }

    .col2 {
        order: 1;
        margin-bottom: 20px;
        text-align: center;
    }

    .nav-bar ul li {
        display: block;
        margin-right: 0;
        margin-bottom: 10px;
        text-align: center;
    }

        .projects-section {
        padding: 1rem 0.5rem;
    }

    .projects-section h2 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    .project-card {
        padding: 1.2rem;
    }

    .project-card h3 {
        font-size: 1.2rem;
    }

    .contact-section {
        padding: 1.2rem;
        border-radius: 8px;
    }

    .contact-header {
        padding: 0.8rem;
    }

    .contact-header h2 {
        font-size: 1.6rem;
    }

    .contact-header p {
        font-size: 0.95rem;
    }

    .contact-list {
        gap: 0.8rem;
    }

    .contact-list li {
        flex: 1 1 calc(50% - 1rem);
    }

    .contact-header p a {
        margin-bottom: 3px;
    }
}

@media (max-width: 480px) {
    .projects-section h2 {
        font-size: 1.6rem;
    }

    .project-links {
        flex-direction: column;
        gap: 0.6rem;
    }

    .project-links a {
        width: 100%;
        text-align: center;
    }

        .contact-section {
        padding: 1rem;
        border-radius: 6px;
    }

    .contact-header h2 {
        font-size: 1.4rem;
    }

    .contact-header p {
        font-size: 0.9rem;
    }

    .contact-list {
        flex-direction: column;
        gap: 0.6rem;
    }

    .contact-list li {
        flex: 1 1 100%;
        max-width: 100%;
    }

    .contact-header a {
        padding: 0.15rem 0.4rem;
        font-size: 0.9rem;
        margin-bottom: 3px;
    }
}