/* ============================================
   BetSuite Landing Page Styles
   Aesthetic: Minimal, clean, NEXUS-inspired
   ============================================ */

/* Custom Font */
@font-face {
    font-family: 'Euclid Circular B';
    src: url('assets/EuclidCircularB-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #fafafa;
    --color-bg-alt: #f0f0f0;
    --color-text: #1a1a1a;
    --color-text-muted: #666666;
    --color-text-light: #999999;
    --color-primary: #22c55e;
    --color-primary-dark: #16a34a;
    --color-primary-light: #4ade80;
    --color-accent: #10b981;
    --color-white: #ffffff;
    --color-black: #000000;
    --color-border: #e5e5e5;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-brand: 'Euclid Circular B', var(--font-sans);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 8rem;
    
    /* Sizing */
    --container-max: 1200px;
    --container-narrow: 800px;
    
    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

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

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 500;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 250, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 600;
    font-size: 1.125rem;
}

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

.nav-logo-text {
    color: var(--color-text);
    font-family: var(--font-brand);
}

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

.nav-links a {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-cta {
    background: var(--color-text);
    color: var(--color-white) !important;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-black);
    transform: translateY(-1px);
}

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

.nav-mobile-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--space-2xl)) var(--space-lg) var(--space-2xl);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 700px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 600;
    margin-bottom: var(--space-md);
    letter-spacing: -0.03em;
}

.hero-title em {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 540px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.hero-form {
    display: flex;
    gap: var(--space-sm);
    max-width: 440px;
    margin: 0 auto var(--space-md);
}

.hero-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.hero-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.hero-button {
    padding: var(--space-sm) var(--space-lg);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    background: var(--color-text);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.hero-button:hover {
    background: var(--color-black);
    transform: translateY(-1px);
}

.hero-note {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Hero Visual / Animated Logo */
.hero-visual {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    pointer-events: none;
    z-index: 1;
}

.logo-3d-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-animated-svg {
    width: 100%;
    height: auto;
    opacity: 0.25;
    animation: logo-rotate 30s linear infinite;
}

/* Individual piece animations - staggered floating */
.logo-piece {
    transform-origin: center center;
    transform-box: fill-box;
}

.piece-1 {
    animation: float-1 4s ease-in-out infinite, glow-pulse 3s ease-in-out infinite;
}

.piece-2 {
    animation: float-2 4.5s ease-in-out infinite 0.5s, glow-pulse 3s ease-in-out infinite 0.75s;
}

.piece-3 {
    animation: float-3 5s ease-in-out infinite 1s, glow-pulse 3s ease-in-out infinite 1.5s;
}

.piece-4 {
    animation: float-4 4.2s ease-in-out infinite 0.3s, glow-pulse 3s ease-in-out infinite 2.25s;
}

/* Floating animations - each piece moves differently */
@keyframes float-1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(3px, -8px) rotate(1deg); }
    50% { transform: translate(-2px, -12px) rotate(-0.5deg); }
    75% { transform: translate(4px, -5px) rotate(0.5deg); }
}

@keyframes float-2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(6px, 4px) rotate(-1deg); }
    50% { transform: translate(10px, -3px) rotate(0.5deg); }
    75% { transform: translate(4px, 6px) rotate(-0.5deg); }
}

@keyframes float-3 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-6px, 5px) rotate(1deg); }
    50% { transform: translate(-10px, -2px) rotate(-0.5deg); }
    75% { transform: translate(-3px, 8px) rotate(0.5deg); }
}

@keyframes float-4 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-4px, 8px) rotate(-1deg); }
    50% { transform: translate(2px, 12px) rotate(0.5deg); }
    75% { transform: translate(-5px, 5px) rotate(-0.5deg); }
}

/* Subtle glow pulse */
@keyframes glow-pulse {
    0%, 100% { filter: url(#glow) brightness(1); }
    50% { filter: url(#glow) brightness(1.15); }
}

/* Slow overall rotation */
@keyframes logo-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   Sections (General)
   ============================================ */
.section {
    padding: var(--space-2xl) var(--space-lg);
}

.section-alt {
    background: var(--color-white);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: var(--space-sm);
}

.section-title em {
    color: var(--color-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

/* ============================================
   Stats Section
   ============================================ */
.section-stats {
    padding: var(--space-2xl) var(--space-lg);
    background: var(--color-white);
}

.stats-row {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    flex: 1;
    text-align: center;
    max-width: 280px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-text {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 0;
}

.stat-text strong {
    color: var(--color-text);
}

.stat-divider {
    width: 1px;
    height: 80px;
    background: var(--color-border);
    flex-shrink: 0;
    align-self: center;
}

@media (max-width: 768px) {
    .stats-row {
        flex-direction: column;
        align-items: center;
        gap: var(--space-lg);
    }
    
    .stat-divider {
        width: 60px;
        height: 1px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* ============================================
   What is Arbitrage
   ============================================ */
.arbitrage-explainer {
    max-width: 700px;
    margin: 0 auto;
}

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

.arbitrage-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

/* Arbitrage Visual Diagram */
.arbitrage-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin: var(--space-2xl) 0;
    flex-wrap: wrap;
}

.arb-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.arb-step-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.2);
}

.arb-step-profit .arb-step-icon {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.arb-step-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.arb-step-profit .arb-step-label {
    color: var(--color-primary-dark);
    font-weight: 600;
}

.arb-connector {
    font-size: 2rem;
    color: var(--color-primary);
    font-weight: 700;
}

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

.arb-book {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, var(--color-white) 0%, #f0fdf4 100%);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    min-width: 120px;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.15);
}

.book-name {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.book-odds {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: monospace;
}

.book-team {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.arb-vs {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 500;
}

@media (max-width: 768px) {
    .arbitrage-visual {
        flex-direction: column;
    }
    
    .arb-connector {
        transform: rotate(90deg);
    }
    
    .arb-books {
        flex-direction: row;
    }
}

.arbitrage-example {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    text-align: left;
    display: inline-block;
}

.example-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.arbitrage-example p {
    font-size: 1rem;
    line-height: 1.8;
    margin: 0;
}

.odds-highlight {
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-primary-dark);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    font-family: monospace;
}

.example-result {
    display: block;
    margin-top: var(--space-sm);
    color: var(--color-primary-dark);
    font-weight: 500;
}

/* ============================================
   How It Works
   ============================================ */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: var(--space-lg);
}

.step-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.3;
    margin-bottom: var(--space-sm);
    font-family: var(--font-serif);
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.step-description {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ============================================
   Features
   ============================================ */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.feature {
    padding: var(--space-lg);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.feature-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.feature-description {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ============================================
   Pricing
   ============================================ */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto var(--space-xl);
}

.pricing-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: relative;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card-featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.pricing-card-featured .pricing-header {
    padding-top: var(--space-lg);
}

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

.pricing-name {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
}

.pricing-amount {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.pricing-period {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.pricing-billing {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: var(--space-xs);
}

.pricing-trial {
    font-size: 0.8125rem;
    color: var(--color-primary-dark);
    font-weight: 500;
    margin-top: var(--space-xs);
    background: rgba(34, 197, 94, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    display: inline-block;
}

.pricing-features {
    margin-bottom: var(--space-lg);
}

.pricing-features li {
    padding: var(--space-xs) 0;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
}

.pricing-features li::before {
    content: "✓";
    color: var(--color-primary);
    font-weight: 600;
    flex-shrink: 0;
}

.pricing-feature-highlight {
    color: var(--color-text) !important;
    font-weight: 500;
}

.pricing-button {
    display: block;
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-full);
    background: var(--color-text);
    color: var(--color-white);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.pricing-button:hover {
    background: var(--color-black);
    transform: translateY(-1px);
}

.pricing-button-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.pricing-button-secondary:hover {
    background: var(--color-bg);
    border-color: var(--color-text);
}

.pricing-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Final CTA
   ============================================ */
.section-cta {
    background: var(--color-text);
    color: var(--color-white);
}

.section-cta .section-title {
    color: var(--color-white);
}

.section-cta .section-title em {
    color: var(--color-primary-light);
}

.section-cta .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.cta-form {
    display: flex;
    gap: var(--space-sm);
    max-width: 480px;
    margin: 0 auto var(--space-xl);
}

.cta-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.cta-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.cta-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.15);
}

.cta-button {
    padding: var(--space-sm) var(--space-lg);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.cta-button:hover {
    background: var(--color-bg);
    transform: translateY(-1px);
}

.cta-trust {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.trust-item svg {
    color: var(--color-primary-light);
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.footer-logo {
    width: 40px;
    height: 40px;
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero-visual {
        width: 400px;
        height: 400px;
        right: -5%;
    }
    
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-mobile-toggle {
        display: flex;
    }
    
    .hero {
        padding-top: calc(60px + var(--space-xl));
        flex-direction: column;
    }
    
    .hero-content {
        position: relative;
        z-index: 10;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-content {
        position: relative;
        z-index: 10;
    }
    
    .logo-animated-svg {
        opacity: 0.35;
    }
    
    .hero-form {
        flex-direction: column;
    }
    
    .hero-button {
        width: 100%;
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .pricing-card-featured {
        order: -1;
    }
    
    .cta-form {
        flex-direction: column;
    }
    
    .cta-button {
        width: 100%;
    }
    
    .cta-trust {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .footer-brand {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 1.5rem;
        --space-xl: 2rem;
        --space-2xl: 3rem;
        --space-3xl: 5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

/* ============================================
   Fade-in Animations
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animations for grid items */
.step.fade-in-visible:nth-child(1) { transition-delay: 0ms; }
.step.fade-in-visible:nth-child(2) { transition-delay: 100ms; }
.step.fade-in-visible:nth-child(3) { transition-delay: 200ms; }

.feature.fade-in-visible:nth-child(1) { transition-delay: 0ms; }
.feature.fade-in-visible:nth-child(2) { transition-delay: 50ms; }
.feature.fade-in-visible:nth-child(3) { transition-delay: 100ms; }
.feature.fade-in-visible:nth-child(4) { transition-delay: 150ms; }
.feature.fade-in-visible:nth-child(5) { transition-delay: 200ms; }
.feature.fade-in-visible:nth-child(6) { transition-delay: 250ms; }

.pricing-card.fade-in-visible:nth-child(1) { transition-delay: 0ms; }
.pricing-card.fade-in-visible:nth-child(2) { transition-delay: 100ms; }
.pricing-card.fade-in-visible:nth-child(3) { transition-delay: 200ms; }

/* ============================================
   Mobile Nav Open State
   ============================================ */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(250, 250, 250, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    
    .nav-links-open {
        display: flex;
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .nav-toggle-active span:first-child {
        transform: rotate(45deg) translate(4px, 4px);
    }
    
    .nav-toggle-active span:last-child {
        transform: rotate(-45deg) translate(1px, -1px);
    }
}