/* ============================================
   PREMIUM LANDING PAGE - PAVEL LUNIN
   Dark Theme Design System
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    /* Colors - Primary Palette */
    --color-bg-primary: #0F1419;
    --color-bg-secondary: #1A1F2E;
    --color-bg-tertiary: #252D3D;
    --color-bg-card: #1E2432;
    
    /* Colors - Text */
    --color-text-primary: #F5F7FA;
    --color-text-secondary: #B8C1D9;
    --color-text-tertiary: #8A97AE;
    
    /* Colors - Accent */
    --color-accent-gold: #D4AF37;
    --color-accent-gold-light: #E8C84B;
    --color-accent-blue: #4A90E2;
    --color-accent-cyan: #00D9FF;
    
    /* Colors - Gradients */
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #F5D76E 50%, #D4AF37 100%);
    --gradient-blue: linear-gradient(135deg, #4A90E2 0%, #00D9FF 100%);
    --gradient-dark: linear-gradient(180deg, #0F1419 0%, #1A1F2E 100%);
    --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    
    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --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-glow: 0 0 40px rgba(212, 175, 55, 0.2);
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

h1 { font-size: clamp(2.5rem, 8vw, 4rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

.text-gradient {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- Layout ---------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.section-header {
    margin-bottom: var(--spacing-3xl);
}

.section-header.center {
    text-align: center;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
}

.section-header.center .section-description {
    margin: 0 auto;
}

/* ---------- Header ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background: rgba(15, 20, 25, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

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

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

.nav-link--cta {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-gold);
    color: var(--color-bg-primary) !important;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.nav-link--cta::after {
    display: none;
}

.nav-link--cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-base);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(74, 144, 226, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(rgba(212, 175, 55, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-lg);
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-tertiary);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--color-bg-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-full {
    width: 100%;
}

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

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

/* Hero Stats */
.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-divider {
    width: 1px;
    background: rgba(255, 255, 255, 0.1);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-tertiary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent-gold), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

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

.about-text.lead {
    font-size: 1.25rem;
    color: var(--color-text-primary);
    line-height: 1.7;
}

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

.highlight {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.highlight:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(212, 175, 55, 0.2);
}

.highlight-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-accent-gold);
}

.highlight-content {
    display: flex;
    flex-direction: column;
}

.highlight-title {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

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

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    aspect-ratio: 3/4;
    max-width: 400px;
    margin-left: auto;
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    filter: grayscale(20%);
    transition: var(--transition-base);
}

.about-photo:hover {
    filter: grayscale(0%);
    transform: scale(1.02);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    font-size: 1.25rem;
}

.image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    bottom: 20px;
    left: 20px;
    border: 2px solid var(--color-accent-gold);
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.3;
}

/* ---------- Expertise Section ---------- */
.expertise {
    background: var(--color-bg-primary);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.expertise-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    opacity: 0;
    transition: var(--transition-base);
}

.expertise-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.2);
    box-shadow: var(--shadow-lg);
}

.expertise-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(74, 144, 226, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-accent-blue);
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

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

.card-tags li {
    padding: 4px 12px;
    background: rgba(74, 144, 226, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-accent-blue);
}

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

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

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

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

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-xl) - 6px);
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--color-accent-gold);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}

.timeline-content {
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.timeline-content:hover {
    border-color: rgba(212, 175, 55, 0.2);
    transform: translateX(8px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.timeline-company {
    font-weight: 600;
    color: var(--color-accent-gold);
}

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

.timeline-role {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

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

.timeline-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

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

.timeline-tags span {
    font-size: 0.75rem;
    color: var(--color-accent-cyan);
}

/* ---------- Projects Section ---------- */
.projects {
    background: var(--color-bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.project-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.2);
    box-shadow: var(--shadow-lg);
}

.project-card.featured {
    border-color: rgba(212, 175, 55, 0.3);
    background: linear-gradient(135deg, 
        rgba(212, 175, 55, 0.05) 0%, 
        var(--color-bg-card) 100%
    );
}

.project-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.1em;
}

.project-title {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.project-role {
    font-size: 0.875rem;
    color: var(--color-accent-blue);
    margin-bottom: var(--spacing-md);
}

.project-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

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

.project-tags span {
    font-size: 0.75rem;
    color: var(--color-accent-cyan);
}

/* ---------- CTA Section ---------- */
.cta {
    background: linear-gradient(135deg, 
        var(--color-bg-tertiary) 0%, 
        var(--color-bg-secondary) 100%
    );
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.cta-title {
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-tertiary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-gold);
    background: rgba(212, 175, 55, 0.03);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--color-bg-primary);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
}

.footer-tagline {
    color: var(--color-text-tertiary);
    max-width: 300px;
}

.footer-title {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

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

.footer-list a {
    color: var(--color-text-tertiary);
}

.footer-list a:hover {
    color: var(--color-accent-gold);
}

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

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

/* ---------- Animations ---------- */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

@keyframes fadeIn {
    to { opacity: 1; }
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .about-grid,
    .cta-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .about-image {
        order: -1;
    }
    
    .image-frame {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-main {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-4xl: 4rem;
        --spacing-3xl: 3rem;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .expertise-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
    
    .stat-divider {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-main {
        margin-bottom: var(--spacing-lg);
    }
    
    .footer-tagline {
        margin: 0 auto;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .timeline {
        padding-left: var(--spacing-lg);
    }
    
    .timeline-marker {
        left: calc(-1 * var(--spacing-lg) - 6px);
    }
    
    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .stat {
        text-align: left;
    }
}