/* ========================================
   CSS Variables for Theming
   ======================================== */
:root {
    /* Light Theme Colors - Sophisticated Palette */
    --bg-primary: #FAFAF8;
    --bg-secondary: #F5F3EE;
    --bg-accent: #E8E4DC;
    --text-primary: #1A1A1A;
    --text-secondary: #4A4A4A;
    --text-tertiary: #7A7A7A;
    --accent-primary: #C17767;
    --accent-secondary: #8B6F47;
    --accent-tertiary: #A89885;
    --border-color: #D4CFC4;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0F0F0F;
    --bg-secondary: #1A1A1A;
    --bg-accent: #252525;
    --text-primary: #FAFAF8;
    --text-secondary: #B8B8B8;
    --text-tertiary: #8A8A8A;
    --accent-primary: #D8917E;
    --accent-secondary: #A68B6A;
    --accent-tertiary: #B8A894;
    --border-color: #3A3A3A;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.6);
}

/* ========================================
   Base Styles & Reset
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    line-height: 1.2;
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
}

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

/* ========================================
   Layout & Container
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* Section Headers */
.section-header {
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.section-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--accent-primary);
    font-weight: 700;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--text-primary);
    position: relative;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.1s forwards;
}

/* ========================================
   Navigation
   ======================================== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(250, 250, 248, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-base);
}

[data-theme="dark"] #navbar {
    background: rgba(15, 15, 15, 0.8);
}

#navbar.scrolled {
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

/* ========================================
   Theme Toggle Button
   ======================================== */
#theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all var(--transition-base);
}

#theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-xl);
}

#theme-toggle svg {
    color: white;
}

.sun-icon {
    display: block;
}

.moon-icon {
    display: none;
}

[data-theme="dark"] .sun-icon {
    display: none;
}

[data-theme="dark"] .moon-icon {
    display: block;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(193, 119, 103, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 111, 71, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
}

.highlight {
    color: var(--accent-primary);
    position: relative;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.hero-tagline {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-base);
    display: inline-block;
}

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

.btn-primary:hover {
    background: transparent;
    color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Visual Elements */
.hero-visual {
    position: relative;
    height: 500px;
    opacity: 0;
    animation: fadeIn 1s ease 0.5s forwards;
}

.floating-card {
    position: absolute;
    padding: 1.5rem 2rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    right: 20%;
    animation-delay: 0s;
}

.card-2 {
    top: 45%;
    right: 10%;
    animation-delay: 2s;
}

.card-3 {
    top: 75%;
    right: 30%;
    animation-delay: 4s;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    opacity: 0;
    animation: fadeIn 1s ease 1s forwards;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--accent-primary);
    animation: scrollDown 2s ease-in-out infinite;
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.lead {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
}

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

.quick-facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-color);
}

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

.fact-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
}

.fact-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
}

.about-image {
    position: relative;
    opacity: 0;
    animation: fadeInRight 0.6s ease 0.2s forwards;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s infinite;
}

.image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    border: 2px solid var(--accent-primary);
    border-radius: 12px;
    z-index: -1;
}

/* ========================================
   Skills Section
   ======================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.skill-category {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.skill-category:nth-child(1) { animation-delay: 0.1s; }
.skill-category:nth-child(2) { animation-delay: 0.2s; }
.skill-category:nth-child(3) { animation-delay: 0.3s; }
.skill-category:nth-child(4) { animation-delay: 0.4s; }
.skill-category:nth-child(5) { animation-delay: 0.5s; }
.skill-category:nth-child(6) { animation-delay: 0.6s; }

.skill-category:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: var(--bg-accent);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.skill-tag:hover {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.05);
}

/* ========================================
   Experience Section
   ======================================== */
.experience {
    background: var(--bg-secondary);
}

.experience-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width var(--transition-base);
}

.tab-btn.active {
    color: var(--accent-primary);
}

.tab-btn.active::after {
    width: 100%;
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

.timeline {
    position: relative;
    padding-left: var(--spacing-md);
}

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

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-lg);
    opacity: 0;
    animation: fadeInLeft 0.6s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }

.timeline-item::before {
    content: '';
    position: absolute;
    left: -29px;
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 3px solid var(--bg-secondary);
}

.timeline-date {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.timeline-content h4 {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.timeline-content .location {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: 0.75rem;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Projects Section
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.project-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.project-image .placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    transition: transform var(--transition-smooth);
}

.project-card:hover .placeholder {
    transform: scale(1.1);
}

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

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

.project-info p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tags span {
    padding: 0.4rem 0.8rem;
    background: var(--bg-accent);
    border-radius: 16px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

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

.project-link {
    color: var(--accent-primary);
    font-weight: 600;
    transition: all var(--transition-base);
}

.project-link:hover {
    transform: translateX(5px);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.contact-text {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.contact-text h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.contact-info {
    margin: var(--spacing-md) 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 1rem;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.contact-item:hover {
    color: var(--accent-primary);
    transform: translateX(8px);
}

.contact-item svg {
    flex-shrink: 0;
}

.contact-item a {
    color: inherit;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-form-container {
    position: relative;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.2s forwards;
}

.form-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-primary);
    border-radius: 12px;
    z-index: -1;
}

.contact-cta {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.contact-cta h4 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-cta p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-primary);
    padding: var(--spacing-md) 0;
    border-top: 2px solid var(--border-color);
}

.footer-content {
    text-align: center;
    color: var(--text-secondary);
}

.footer-content p {
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

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

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

@keyframes scrollDown {
    0% {
        opacity: 0;
        height: 0;
    }
    50% {
        opacity: 1;
        height: 40px;
    }
    100% {
        opacity: 0;
        height: 40px;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .quick-facts {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .experience-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        text-align: left;
        border-bottom: 1px solid var(--border-color);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        transition: left var(--transition-base);
        border-top: 2px solid var(--border-color);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-facts {
        grid-template-columns: 1fr;
    }
    
    #theme-toggle {
        bottom: 1rem;
        right: 1rem;
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}