/* ============================================
   MODERN PORTFOLIO - GRAHAM VRIEND
   ============================================ */

/* ============================================
   ROOT VARIABLES & RESET
   ============================================ */
:root {
    /* Color Palette - Modern & Vibrant */
    --primary-hue: 220;
    --primary-sat: 80%;
    --primary-light: 55%;

    --primary-50: hsl(var(--primary-hue), var(--primary-sat), 95%);
    --primary-100: hsl(var(--primary-hue), var(--primary-sat), 85%);
    --primary-200: hsl(var(--primary-hue), var(--primary-sat), 75%);
    --primary-300: hsl(var(--primary-hue), var(--primary-sat), 65%);
    --primary-400: hsl(var(--primary-hue), var(--primary-sat), 55%);
    --primary-500: hsl(var(--primary-hue), var(--primary-sat), 50%);
    --primary-600: hsl(var(--primary-hue), var(--primary-sat), 45%);
    --primary-700: hsl(var(--primary-hue), var(--primary-sat), 35%);
    --primary-800: hsl(var(--primary-hue), var(--primary-sat), 25%);

    --accent-hue: 280;
    --accent-sat: 75%;
    --accent-light: 60%;

    --accent-400: hsl(var(--accent-hue), var(--accent-sat), 65%);
    --accent-500: hsl(var(--accent-hue), var(--accent-sat), 60%);
    --accent-600: hsl(var(--accent-hue), var(--accent-sat), 55%);

    --bg-primary: hsl(222, 25%, 8%);
    --bg-secondary: hsl(222, 22%, 12%);
    --bg-tertiary: hsl(222, 20%, 16%);
    --bg-card: hsl(222, 20%, 14%);

    --text-primary: hsl(0, 0%, 98%);
    --text-secondary: hsl(220, 10%, 75%);
    --text-tertiary: hsl(220, 10%, 60%);

    --gradient-primary: linear-gradient(135deg, var(--primary-500), var(--accent-500));
    --gradient-secondary: linear-gradient(135deg, var(--primary-600), var(--primary-400));
    --gradient-accent: linear-gradient(135deg, var(--accent-600), var(--primary-500));

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(17, 20, 30, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all var(--transition-medium);
}

#navbar.scrolled {
    background: rgba(17, 20, 30, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-medium);
}

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

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================
   HERO SECTION
   ============================================ */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 6rem 2rem 4rem;
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-primary);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-accent);
    bottom: -10%;
    right: -5%;
    animation-delay: 7s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: var(--primary-600);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {

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

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    width: 100%;
}

.hero-text {
    text-align: center;
}

.hero-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary-300);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

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

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    transition: all var(--transition-medium);
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 24px rgba(74, 144, 226, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-tertiary);
    font-size: 1.5rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

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

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-medium);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 16px rgba(74, 144, 226, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(74, 144, 226, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-500);
    color: var(--primary-400);
}

.btn-outline:hover {
    background: var(--primary-500);
    color: white;
    transform: translateY(-2px);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--spacing-3xl) 2rem;
    position: relative;
}

.section-dark {
    background: var(--bg-secondary);
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto 1.5rem;
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.about-text-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.about-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.about-intro strong {
    color: var(--primary-400);
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.location-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-tertiary);
    font-size: 1rem;
}

.location-info i {
    color: var(--primary-400);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: var(--spacing-lg);
}

.highlight-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.highlight-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

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

.highlight-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: white;
}

.highlight-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.highlight-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   EXPERIENCE TIMELINE
   ============================================ */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-500), var(--accent-500));
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
    margin-left: 2rem;
}

.timeline-marker {
    position: absolute;
    left: -2.75rem;
    top: 0.5rem;
    width: 16px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: 3px solid var(--bg-secondary);
    box-shadow: 0 0 0 4px rgba(74, 144, 226, 0.2);
}

.timeline-content {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
}

.timeline-content:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.timeline-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.company {
    color: var(--primary-400);
    font-weight: 500;
    font-size: 1.1rem;
}

.timeline-date {
    color: var(--text-tertiary);
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.timeline-list {
    list-style: none;
    margin-bottom: 1rem;
}

.timeline-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.timeline-list i {
    color: var(--primary-400);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

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

.tag {
    display: inline-block;
    padding: 0.4rem 0.875rem;
    background: rgba(74, 144, 226, 0.15);
    border: 1px solid rgba(74, 144, 226, 0.3);
    border-radius: 2rem;
    color: var(--primary-300);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tag:hover {
    background: rgba(74, 144, 226, 0.25);
    border-color: rgba(74, 144, 226, 0.5);
    transform: translateY(-2px);
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
}

.skill-category:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.skill-category-header i {
    font-size: 1.75rem;
    color: var(--primary-400);
}

.skill-category-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

/* ============================================
   EDUCATION SECTION
   ============================================ */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.education-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all var(--transition-medium);
}

.education-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.education-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.education-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.education-school {
    color: var(--primary-400);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.education-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-xl);
}

.contact-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all var(--transition-medium);
}

.contact-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    transition: all var(--transition-medium);
}

.contact-card:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
}

.contact-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-xl) 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-social {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1rem;
    transition: all var(--transition-medium);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-4px);
}

.footer-text {
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    z-index: 999;
    box-shadow: 0 4px 16px rgba(74, 144, 226, 0.3);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(74, 144, 226, 0.4);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(17, 20, 30, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        gap: 1.5rem;
        transition: left var(--transition-medium);
    }

    .nav-menu.active {
        left: 0;
    }

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

    #hero {
        padding: 5rem 1.5rem 3rem;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .section {
        padding: var(--spacing-xl) 1.5rem;
    }

    .timeline {
        padding-left: 1rem;
    }

    .timeline-item {
        margin-left: 1.5rem;
    }

    .timeline-marker {
        left: -2.25rem;
    }

    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

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

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .about-text-card,
    .highlight-card,
    .timeline-content,
    .skill-category,
    .education-card,
    .contact-card {
        padding: 1.5rem;
    }
}