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

:root {
    /* Color Palette */
    --color-primary: #1e3a8a;
    --color-secondary: #2563eb;
    --color-btc-teal: #4a9d9c;
    --color-btc-blue: #0077be;
    --color-ngn-purple: #7b4b94;
    --color-ngn-pink: #d946a6;
    --color-dark: #1f2937;
    --color-gray: #6b7280;
    --color-light-gray: #f3f4f6;
    --color-white: #ffffff;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ===========================
   Container & Layout
   =========================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo {
    flex-shrink: 0;
}

.nav-logo {
    height: 50px;
    width: auto;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-dark);
    transition: all var(--transition-fast);
}

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

.nav-menu li a {
    text-decoration: none;
    color: var(--color-dark);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-menu li a:hover {
    color: var(--color-secondary);
    background-color: var(--color-light-gray);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu li a {
        display: block;
        padding: var(--spacing-sm);
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
    margin-top: 60px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #4facfe);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    opacity: 0.2;
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.6) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(252, 70, 107, 0.6) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(99, 102, 241, 0.5) 0%, transparent 40%),
        radial-gradient(circle at 70% 20%, rgba(79, 172, 254, 0.5) 0%, transparent 40%);
    animation: float 20s ease-in-out infinite;
    z-index: 1;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.7;
    z-index: 2;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-logo {
    max-width: 500px;
    width: 100%;
    height: auto;
    margin-bottom: var(--spacing-lg);
    animation: fadeIn 1s ease-out;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero {
        min-height: 80vh;
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-logo {
        max-width: 300px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

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

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

/* ===========================
   Section Styles
   =========================== */
section {
    padding: var(--spacing-2xl) 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray);
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-header h2 {
        font-size: 1.875rem;
    }
    
    .section-subtitle {
        font-size: 1.125rem;
    }
}

/* ===========================
   About Section
   =========================== */
.about-section {
    background-color: var(--color-light-gray);
}

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

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
}

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

.brand-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    align-items: center;
}

.brand-logo-item {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.brand-logo-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.brand-logo-item img {
    max-width: 100%;
    height: auto;
    max-height: 80px;
}

/* ===========================
   Brand Sections
   =========================== */
.brand-section {
    position: relative;
}

.btc-section {
    background: linear-gradient(to bottom, var(--color-white), #f0fffe);
}

.ngn-section {
    background: linear-gradient(to bottom, #faf5ff, var(--color-white));
}

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

.brand-logo {
    max-width: 400px;
    height: auto;
    margin-bottom: var(--spacing-md);
}

.brand-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.brand-tagline {
    font-size: 1.25rem;
    color: var(--color-gray);
}

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

.brand-description {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.brand-description h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.brand-description p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray);
}

.brand-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .brand-content {
        grid-template-columns: 1fr 1fr;
    }
}

.stat-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-lg);
}

.stat-card h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.stat-card ul {
    list-style: none;
    padding-left: 0;
}

.stat-card ul li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray);
    position: relative;
    padding-left: 1.5rem;
}

.stat-card ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

.btc-section .stat-card ul li:before {
    color: var(--color-btc-teal);
}

.ngn-section .stat-card ul li:before {
    color: var(--color-ngn-purple);
}

/* ===========================
   Instagram Feed
   =========================== */
.instagram-feed {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid rgba(0, 0, 0, 0.1);
}

.instagram-feed-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-dark);
}

.instagram-embed-container {
    max-width: 540px;
    margin: 0 auto var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.instagram-feed-iframe {
    width: 100%;
    min-height: 600px;
    border: none;
}

.instagram-cta {
    text-align: center;
    margin-top: var(--spacing-md);
}

.btn-instagram {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.btn-instagram:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    opacity: 0.9;
}

.btn-instagram::before {
    content: "📸";
    font-size: 1.25rem;
}

@media (max-width: 768px) {
    .instagram-embed-container {
        max-width: 100%;
    }
    
    .instagram-feed-iframe {
        min-height: 500px;
    }
}

/* ===========================
   Social Links
   =========================== */
.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-light-gray);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-dark);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateX(5px);
}

.social-link .icon {
    font-size: 1.5rem;
}

.social-link span:last-child {
    font-weight: 600;
}

/* ===========================
   Brand Features
   =========================== */
.brand-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-card h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.feature-card p {
    color: var(--color-gray);
    line-height: 1.6;
}

/* ===========================
   Contact Section
   =========================== */
.contact-section {
    background-color: var(--color-light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 968px) {
    .contact-content {
        grid-template-columns: 1fr 1.2fr;
    }
}

.contact-info {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    height: fit-content;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

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

.contact-brands {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

@media (min-width: 768px) {
    .contact-brands {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-brand {
    padding: var(--spacing-md);
    background-color: var(--color-light-gray);
    border-radius: var(--radius-md);
}

.contact-brand h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.contact-brand p {
    margin-bottom: var(--spacing-xs);
}

.contact-brand a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.contact-brand a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ===========================
   Contact Form
   =========================== */
.contact-form-container {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

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

.form-group label {
    font-weight: 600;
    color: var(--color-dark);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.btn-submit {
    width: 100%;
    margin-top: var(--spacing-sm);
    position: relative;
    cursor: pointer;
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loader {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-loader::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-white);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.form-message.error {
    display: block;
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

/* ===========================
   Book Promotion Section
   =========================== */
.book-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.book-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.book-promo {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .book-promo {
        grid-template-columns: 1fr 1.5fr;
    }
}

.book-cover {
    display: flex;
    justify-content: center;
    align-items: center;
}

.book-image {
    max-width: 100%;
    height: auto;
    max-height: 500px;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-base);
}

.book-image:hover {
    transform: scale(1.05) rotate(2deg);
}

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

@media (min-width: 768px) {
    .book-content {
        text-align: left;
    }
}

.book-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.book-tagline {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.book-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.book-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 640px) {
    .book-highlights {
        grid-template-columns: repeat(3, 1fr);
    }
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
}

.highlight-item:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.highlight-icon {
    font-size: 1.5rem;
}

.btn-book {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    background-color: var(--color-white);
    color: var(--color-ngn-purple);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-base);
}

.btn-book:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background-color: var(--color-ngn-pink);
    color: var(--color-white);
}

.btn-book-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-fast);
}

.btn-book:hover .btn-book-icon {
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .book-title {
        font-size: 2rem;
    }
    
    .book-tagline {
        font-size: 1.125rem;
    }
    
    .book-highlights {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   Footer
   =========================== */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

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

@media (min-width: 768px) {
    .footer-brand {
        text-align: left;
    }
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: var(--color-gray);
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column ul li a {
    color: var(--color-gray);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--color-white);
}

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

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

/* ===========================
   Utility Classes
   =========================== */
.text-center {
    text-align: center;
}

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

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