/* ===== PROJECT PIVOT - CLEAN STYLES ===== */

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --color-primary: #00d935;
    --color-primary-light: #00ff3d;
    --color-primary-dark: #00a82d;
    --color-bg-primary: #000000;
    --color-bg-secondary: #0a0a0a;
    --color-bg-tertiary: #111111;
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.8);
    --color-text-muted: rgba(255, 255, 255, 0.6);
    --color-border: rgba(0, 217, 53, 0.2);
    --color-border-hover: rgba(0, 217, 53, 0.4);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(0, 217, 53, 0.15);
    
    /* Borders */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

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

/* Clean, subtle background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 217, 53, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 217, 53, 0.02) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    z-index: -1;
    pointer-events: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
}

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

a:hover {
    color: var(--color-primary-light);
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-3xl) 0;
    scroll-margin-top: 80px;
}

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

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-text-primary);
}

.nav-logo img {
    width: 32px;
    height: 32px;
}

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

.nav-menu a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--space-xs) 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition-normal);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text-primary);
    transition: var(--transition-normal);
}

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

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-2xl) 0;
    margin-top: 70px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-2xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text h1 {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: var(--space-lg);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.stat-item {
    text-align: center;
    padding: var(--space-md);
    background: rgba(0, 217, 53, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.stat-item:hover {
    background: rgba(0, 217, 53, 0.1);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    max-width: 400px;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border: 2px solid var(--color-border);
    transition: var(--transition-normal);
}

.hero-image:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 217, 53, 0.2);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    transform: translateY(-2px);
}

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-badge {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(0, 217, 53, 0.1);
    border: 1px solid var(--color-border);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
    display: inline-block;
}

.section-title {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== FEATURES GRID ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-lg);
    background: rgba(0, 217, 53, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.feature-card:hover {
    background: rgba(0, 217, 53, 0.1);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.feature-card p {
    color: var(--color-text-secondary);
}

/* ===== TECH GRID ===== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.tech-card {
    padding: var(--space-lg);
    background: rgba(0, 217, 53, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.tech-card:hover {
    background: rgba(0, 217, 53, 0.1);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.tech-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.tech-card h4 {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.tech-metric {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

/* ===== SCREENSHOTS SLIDER ===== */
.screenshots-section {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.screens-slider {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    background: rgba(0, 217, 53, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.slides-container {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
    display: flex;
    align-items: center;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-items: start;
    gap: var(--space-xl);
    padding: var(--space-xl);
}

.screen-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-lg);
    min-height: 400px;
}

.screen-preview img {
    max-width: 320px;
    max-height: 450px;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    border: 3px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    object-fit: contain;
    background: rgba(0, 0, 0, 0.1);
}

.screen-preview img:hover {
    transform: scale(1.03);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 217, 53, 0.3);
}

.screen-info {
    padding: var(--space-lg);
}

.screen-info h3 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.screen-info p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

.slider-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) var(--space-xl);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--color-border);
}

.slider-btn {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.slider-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.slide-indicators {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.indicator {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.indicator:hover {
    background: rgba(0, 217, 53, 0.5);
    transform: scale(1.1);
}

.indicator.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(0, 217, 53, 0.5);
}

/* ===== DOWNLOAD SECTION ===== */
.download-section {
    background: rgba(0, 217, 53, 0.05);
}

.download-content {
    text-align: center;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
}

.download-btn:hover {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.download-btn.ios-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #666666;
    color: #666666;
}

.download-btn.ios-disabled:hover {
    background: var(--color-bg-primary);
    color: #666666;
    transform: none;
    box-shadow: none;
}

.download-icon {
    font-size: 2rem;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-brand img {
    width: 40px;
    height: 40px;
}

.footer-brand span {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-text-primary);
}

.footer-brand p {
    color: var(--color-text-muted);
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.link-group h4 {
    color: var(--color-primary);
    font-size: 1rem;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.link-group a {
    display: block;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
    transition: var(--transition-fast);
}

.link-group a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-muted);
    margin: 0;
}

/* ===== DEMO MODAL ===== */
.demo-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.demo-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.modal-content {
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    max-width: 80vw;
    max-height: 90vh;
    width: 550px;
    position: relative;
    overflow-y: auto;
    transform: scale(0.8);
    transition: var(--transition-normal);
}

.demo-modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    background: rgba(0, 217, 53, 0.05);
}

.modal-header h3 {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--color-primary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: 50%;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-primary);
}

.modal-body {
    padding: var(--space-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: auto;
}

.modal-video {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: var(--border-radius-md);
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    margin: var(--space-md) 0;
    background: rgba(0, 0, 0, 0.1);
    object-fit: contain;
    display: block;
}

.modal-features {
    display: flex;
    justify-content: space-around;
    gap: var(--space-sm);
    margin: var(--space-md) 0 var(--space-lg);
    width: 100%;
    max-width: 400px;
}

.modal-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background: rgba(0, 217, 53, 0.1);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    flex: 1;
    text-align: center;
    transition: var(--transition-normal);
}

.modal-feature:hover {
    background: rgba(0, 217, 53, 0.15);
    border-color: var(--color-border-hover);
}

.modal-feature i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.modal-feature span {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-sm);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
        border-top: 1px solid var(--color-border);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu a {
        padding: var(--space-sm) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        text-align: center;
        font-size: 1rem;
    }
    
    .nav-menu a:last-child {
        border-bottom: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-lg);
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .slides-container {
        height: 650px;
    }
    
    .slide-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-lg);
        padding: var(--space-lg);
    }
    
    .screen-preview {
        order: 1;
        padding: var(--space-md);
    }
    
    .screen-info {
        order: 2;
        padding: var(--space-md);
    }
    
    .screen-preview img {
        max-width: 280px;
        max-height: 380px;
        object-fit: contain;
        background: rgba(0, 0, 0, 0.1);
    }
    
    .screen-info h3 {
        font-size: 1.6rem;
    }
    
    .screen-info p {
        font-size: 1rem;
    }
    
    .slider-controls {
        flex-direction: column;
        gap: var(--space-md);
        padding: var(--space-md);
    }
    
    .slider-btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.8rem;
        width: 120px;
        justify-content: center;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .modal-content {
        width: 95vw;
        max-height: 85vh;
    }
    
    .modal-body {
        padding: var(--space-lg);
    }
    
    .modal-video {
        max-width: 100%;
    }
    
    .modal-features {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .modal-feature {
        flex-direction: row;
        text-align: left;
        padding: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .section {
        padding: var(--space-2xl) 0;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .hero-image {
        max-width: 250px;
    }
    
    .screen-preview img {
        max-width: 150px;
        max-height: 200px;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }

.hidden { display: none; }
.visible { display: block; }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
    animation: slideIn 0.6s ease-out;
}