/* ========================================
   CSS Variables - Brand Colors
   ======================================== */
:root {
    /* Primary Brand Colors */
    --color-primary: #f5c539;        /* Golden Yellow */
    --color-primary-light: #f5c539;
    --color-primary-dark: #f5c539;
    
    --color-secondary: #f5c539;      /* Golden Yellow */
    --color-secondary-light: #f5c539;
    --color-secondary-dark: #f5c539;
    
    --color-accent: #f5c539;         /* Golden Yellow Accent */
    
    /* Neutral Colors */
    --color-dark: #000000;           /* Black Background */
    --color-dark-secondary: #0a0a0a;
    --color-dark-tertiary: #1a1a1a;
    
    --color-light: #FFFFFF;
    --color-gray: #808080;
    --color-gray-light: #CCCCCC;
    --color-white: #FFFFFF;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(245, 197, 57, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-dark);
    color: var(--color-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(245, 197, 57, 0.2);
    z-index: 1000;
}

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

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

.logo-image {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-menu a {
    font-weight: 500;
    color: var(--color-gray-light);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-menu a:hover {
    color: var(--color-white);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
}

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

/* ========================================
   Buttons
   ======================================== */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #000000;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.btn-secondary:hover {
    border-color: var(--color-primary);
    background: rgba(16, 185, 129, 0.1);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: calc(80px + var(--spacing-3xl)) var(--spacing-md) var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(245, 197, 57, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    max-width: 700px;
    margin: 0 auto;
}

.stat {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.stat:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-gray);
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.15rem;
    color: var(--color-gray);
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: #0a0a0a;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-gray-light);
    line-height: 1.7;
}

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works {
    padding: var(--spacing-3xl) var(--spacing-md);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
    gap: var(--spacing-md);
}

.step {
    flex: 1;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-glow);
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--color-gray-light);
    line-height: 1.6;
}

.step-connector {
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    margin-top: 30px;
    opacity: 0.5;
}

/* ========================================
   Security Section
   ======================================== */
.security {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: #0a0a0a;
}

.security-content {
    max-width: 900px;
    margin: 0 auto;
}

.security-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.security-intro {
    font-size: 1.2rem;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-xl);
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.security-features li {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.security-features li:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    transform: translateX(8px);
}

.security-item-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    color: var(--color-primary);
}

.security-item-icon svg {
    width: 100%;
    height: 100%;
}

.security-features strong {
    display: block;
    font-size: 1.15rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.security-features p {
    color: var(--color-gray-light);
    line-height: 1.6;
}

/* ========================================
   Networks Section
   ======================================== */
.networks {
    padding: var(--spacing-3xl) var(--spacing-md);
}

.networks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.network-badge {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: 600;
    transition: all var(--transition-base);
}

.network-badge:hover {
    background: rgba(245, 197, 57, 0.1);
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.networks-cta {
    text-align: center;
}

.link-primary {
    color: var(--color-primary);
    font-weight: 600;
    position: relative;
}

.link-primary::after {
    content: ' →';
    transition: transform var(--transition-base);
    display: inline-block;
}

.link-primary:hover::after {
    transform: translateX(4px);
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: #0a0a0a;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245, 197, 57, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.15rem;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   SEO Content Section
   ======================================== */
.seo-content {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: var(--color-dark);
}

.seo-text {
    max-width: 900px;
    margin: 0 auto;
    color: var(--color-light);
}

.seo-text h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.seo-text h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.seo-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-md);
}

.seo-text strong {
    color: var(--color-white);
    font-weight: 600;
}

.seo-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.seo-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-gray-light);
    line-height: 1.6;
}

.seo-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.seo-list li strong {
    color: var(--color-primary);
}

/* ========================================
   Blog Section
   ======================================== */
.blog {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: #0a0a0a;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.blog-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.blog-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(245, 197, 57, 0.2) 0%, rgba(0, 0, 0, 0.8) 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-category {
    background: var(--color-primary);
    color: #000000;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-gray);
}

.blog-date,
.blog-read-time {
    display: flex;
    align-items: center;
}

.blog-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.blog-title a {
    color: var(--color-white);
    transition: color var(--transition-base);
}

.blog-title a:hover {
    color: var(--color-primary);
}

.blog-excerpt {
    color: var(--color-gray-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.blog-tag {
    background: rgba(245, 197, 57, 0.1);
    color: var(--color-primary);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(245, 197, 57, 0.2);
}

.blog-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all var(--transition-base);
}

.blog-link:hover {
    transform: translateX(4px);
}

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

/* ========================================
   Article Page Styles
   ======================================== */
.article-page {
    padding: calc(80px + var(--spacing-3xl)) var(--spacing-md) var(--spacing-3xl);
    background: var(--color-dark);
}

.article-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.article-header .blog-category {
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.article-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.article-meta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    color: var(--color-gray);
    font-size: 0.95rem;
}

.article-content {
    color: var(--color-light);
    line-height: 1.8;
}

.article-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-xl);
    border-left: 3px solid var(--color-primary);
    padding-left: var(--spacing-md);
}

.article-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.article-content h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.article-content p {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-light);
}

.article-content strong {
    color: var(--color-white);
    font-weight: 600;
}

.article-list {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.article-list li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-light);
    line-height: 1.7;
}

.article-list li strong {
    color: var(--color-primary);
}

.article-content ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.article-content ol li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-light);
    line-height: 1.7;
}

.inline-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
    transition: color var(--transition-base);
}

.inline-link:hover {
    color: var(--color-primary-light);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.article-footer {
    display: flex;
    gap: var(--spacing-md);
    justify-content: space-between;
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 640px) {
    .article-footer {
        flex-direction: column;
    }
    
    .article-content h2 {
        font-size: 1.75rem;
    }
    
    .article-content h3 {
        font-size: 1.25rem;
    }
}

/* ========================================
   404 Error Page
   ======================================== */
.error-page {
    padding: calc(80px + var(--spacing-3xl)) var(--spacing-md) var(--spacing-3xl);
    background: var(--color-dark);
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.error-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.error-code {
    font-size: clamp(6rem, 15vw, 12rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.error-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.error-description {
    font-size: 1.15rem;
    color: var(--color-gray-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.error-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.error-links {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.error-links h3 {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.error-links ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

.error-links ul li a {
    color: var(--color-gray-light);
    transition: color var(--transition-base);
    display: inline-block;
    padding: var(--spacing-xs) 0;
}

.error-links ul li a:hover {
    color: var(--color-primary);
}

@media (max-width: 640px) {
    .error-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .error-links ul {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: #000000;
    padding: var(--spacing-3xl) var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid rgba(245, 197, 57, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo-image {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-gray);
    margin-top: var(--spacing-sm);
}

.footer-links {
    display: contents;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

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

.footer-column a {
    color: var(--color-gray);
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 968px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .steps {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .step-connector {
        width: 2px;
        height: 50px;
        margin: 0 auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: calc(80px + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.05rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .features-grid,
    .networks-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-title {
        font-size: 1.2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        margin-bottom: var(--spacing-md);
    }
    
    .security-features li {
        flex-direction: column;
        text-align: center;
    }
    
    .security-item-icon {
        margin: 0 auto;
    }
}

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

.hero-content,
.feature-card,
.step,
.security-features li {
    animation: fadeInUp 0.6s ease forwards;
}

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