/* ==========================================
   CleanSpark Website - CSS Stylesheet
   Author: Professional Web Clone
   Version: 1.0
   ========================================== */

/* ==========================================
   CSS VARIABLES & ROOT CONFIGURATION
   ========================================== */
:root {
    /* Brand Colors */
    --primary-blue: #042c75;
    --primary-blue-light: #0b74b8;
    --accent-blue: #4a9eff;
    --navy-dark: #0A1232;
    --navy-medium: #153eb2;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Typography */
    --font-primary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Barlow', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    --fs-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Layout */
    --header-height: 80px;
    --container-max: 1320px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
}

/* ==========================================
   GLOBAL RESET & BASE STYLES
   ========================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--fs-6xl); }
h2 { font-size: var(--fs-5xl); }
h3 { font-size: var(--fs-4xl); }
h4 { font-size: var(--fs-3xl); }
h5 { font-size: var(--fs-2xl); }
h6 { font-size: var(--fs-xl); }

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover,
a:focus {
    color: var(--accent-blue);
}

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

/* Utility Classes */
.text-accent {
    color: var(--accent-blue) !important;
}

.bg-light-gray {
    background-color: var(--gray-100) !important;
}

.py-section {
    padding-top: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
}

/* Skip to Content Link (Accessibility) */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    z-index: 10000;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-blue);
    color: var(--white);
    font-weight: 600;
    transition: top var(--transition-fast);
}

.skip-to-content:focus {
    top: 0;
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header-main {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--primary-blue);
    transition: all var(--transition-base);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-main.transparent {
    background-color: rgb(33, 33, 118);
    box-shadow: none;
}

.header-main.scroll-up {
    transform: translateY(0);
}

.header-main.scroll-down {
    transform: translateY(-100%);
}

/* Navbar */
.navbar {
    padding: var(--spacing-sm) 0;
}

.navbar-brand .logo {
    height: 40px;
    width: auto;
    transition: all var(--transition-base);
}

@media (min-width: 1200px) {
    .navbar-brand .logo {
        height: 50px;
    }
}

/* Navigation Links */
.navbar-nav {
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--white) !important;
    font-weight: 500;
    font-size: var(--fs-base);
    padding: var(--spacing-xs) 0;
    position: relative;
    display: flex;
    align-items: center;
    transition: all var(--transition-base);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--accent-blue) !important;
}

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

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

/* Dropdown Menus */
.dropdown-menu {
    background-color: var(--navy-dark);
    border: none;
    border-top: 3px solid var(--accent-blue);
    border-radius: 0;
    padding: var(--spacing-md);
    margin-top: var(--spacing-xs);
    min-width: 220px;
}

.dropdown-item {
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-size: var(--fs-sm);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-blue);
}

/* Search Button */
.btn-search {
    background: transparent;
    border: none;
    color: var(--white);
    font-size: var(--fs-xl);
    padding: var(--spacing-xs);
    transition: all var(--transition-base);
}

.btn-search:hover {
    color: var(--accent-blue);
    transform: scale(1.1);
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-buttons .btn {
    font-size: var(--fs-sm);
    padding: 0.5rem 1.25rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.auth-buttons .btn-outline-light {
    border: 2px solid var(--white);
    color: var(--white);
}

.auth-buttons .btn-outline-light:hover {
    background-color: var(--white);
    color: var(--primary-blue);
}

.auth-buttons .btn-light {
    background-color: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--white);
}

.auth-buttons .btn-light:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--white);
}

.auth-buttons-mobile {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.auth-buttons-mobile .btn {
    flex: 1;
    font-size: var(--fs-sm);
    padding: 0.5rem 1rem;
    font-weight: 600;
}

/* Mobile Navigation */
@media (max-width: 1199px) {
    .navbar-collapse {
        background-color: var(--navy-dark);
        padding: var(--spacing-lg);
        margin-top: var(--spacing-md);
        border-radius: var(--radius-md);
    }
    
    .navbar-nav {
        gap: 0;
    }
    
    .nav-link {
        padding: var(--spacing-md);
    }
    
    .stock-ticker {
        margin-top: var(--spacing-md);
        justify-content: center;
        width: 100%;
    }
}

.navbar-toggler {
    border: none;
    padding: var(--spacing-xs);
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: var(--header-height);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(11, 116, 184, 0.85) 0%,
        rgba(44, 60, 126, 0.85) 50%,
        rgba(44, 60, 126, 0.5) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-italic {
    font-style: italic;
    font-weight: 300;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn-hero {
    padding: 1rem 3rem;
    font-size: var(--fs-lg);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--fs-base);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

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

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

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: var(--fs-lg);
}

/* ==========================================
   CONTENT SECTIONS
   ========================================== */
.content-section {
    position: relative;
}

.section-heading {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent-blue);
    border-radius: var(--radius-sm);
}

.section-text {
    font-size: var(--fs-lg);
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

/* Image Wrappers */
.image-wrapper {
    position: relative;
    overflow: hidden;
}

.image-wrapper img {
    transition: transform var(--transition-slow);
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.rounded-lg {
    border-radius: var(--radius-lg) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

/* Section Divider */
.section-divider {
    max-width: var(--container-max);
    margin: 0 auto;
    height: 1px;
    background-color: var(--gray-300);
}

/* ==========================================
   BLOG SECTION
   ========================================== */
.blog-wrapper {
    width: 100%;
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.blog-image-wrapper {
    position: relative;
    overflow: hidden;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.blog-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-image {
    transform: scale(1.1);
}

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

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-date {
    color: var(--gray-600);
    font-weight: 600;
}

.blog-category {
    color: var(--accent-blue);
    font-weight: 700;
}

.blog-title {
    font-size: var(--fs-xl);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.blog-excerpt {
    font-size: var(--fs-sm);
    line-height: 1.6;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    color: var(--accent-blue);
    font-weight: 600;
    font-size: var(--fs-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-base);
}

.blog-link:hover {
    color: var(--primary-blue);
    gap: 0.5rem;
}

/* ==========================================
   EARNINGS WIDGET
   ========================================== */
.earnings-widget {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    height: fit-content;
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-md));
}

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

.earnings-title {
    font-size: var(--fs-xl);
    margin: 0;
    color: var(--gray-900);
}

.earnings-stock-price {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--accent-blue);
}

.earnings-list {
    margin-bottom: var(--spacing-lg);
}

.earnings-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-200);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-sm);
    align-items: center;
}

.earnings-item:last-child {
    border-bottom: none;
}

.earnings-date {
    font-size: var(--fs-xs);
    color: var(--gray-600);
    text-transform: uppercase;
    margin: 0;
    grid-column: 1 / -1;
}

.earnings-item-title {
    font-size: var(--fs-sm);
    font-weight: 500;
    margin: 0;
    color: var(--gray-800);
}

.earnings-download {
    color: var(--accent-blue);
    font-size: var(--fs-2xl);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.earnings-download:hover {
    color: var(--primary-blue);
    transform: scale(1.15);
}

/* ==========================================
   CERTIFICATIONS & LICENSES SECTION
   ========================================== */
.certifications-section {
    background-color: var(--white);
}

.certifications-section .section-title {
    font-size: var(--fs-5xl);
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.certifications-section .section-subtitle {
    font-size: var(--fs-lg);
    color: var(--gray-700);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Certificate Image Box */
.cert-image-box {
    position: relative;
    width: 100%;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    cursor: pointer;
}

.cert-image-box:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.cert-display-image {
    width: 100%;
    height: auto;
    display: block;
    transition: all var(--transition-base);
}

.cert-image-box:hover .cert-display-image {
    transform: scale(1.05);
}

/* Certificate Note */
.cert-note {
    font-size: var(--fs-lg);
    color: var(--gray-600);
    font-style: italic;
    display: inline-flex;
    align-items: center;
}

.cert-note i {
    color: var(--accent-blue);
    font-size: var(--fs-2xl);
}

/* Certificate Modal Styling */
.modal-content {
    border-radius: var(--radius-lg);
    border: none;
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--navy-medium) 100%);
    color: var(--white);
    border-bottom: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: var(--spacing-lg) var(--spacing-xl);
}

.modal-header .modal-title {
    font-size: var(--fs-xl);
    font-weight: 700;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
    opacity: 1;
}

.modal-body {
    padding: var(--spacing-xl);
    background-color: var(--gray-100);
}

.modal-body img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-width: 100%;
    height: auto;
}

/* ==========================================
   NEWSLETTER SECTION
   ========================================== */
.newsletter-section {
    background-color: var(--gray-100);
}

.newsletter-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.newsletter-content {
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.newsletter-label {
    color: var(--accent-blue);
    font-weight: 700;
    font-size: var(--fs-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
    display: block;
}

.newsletter-title {
    font-size: var(--fs-4xl);
    font-weight: 300;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.newsletter-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent-blue);
    border-radius: var(--radius-sm);
}

.newsletter-benefits {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    padding: 0;
}

.newsletter-benefits li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-size: var(--fs-lg);
    line-height: 1.6;
}

.newsletter-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: 700;
    font-size: var(--fs-xl);
}

.newsletter-form .input-group {
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.newsletter-form .form-control {
    border: 2px solid var(--gray-300);
    border-right: none;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--fs-base);
    border-radius: var(--radius-full) 0 0 var(--radius-full);
}

.newsletter-form .form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: none;
}

.newsletter-form .btn {
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
    padding: var(--spacing-md) var(--spacing-xl);
}

.newsletter-image-wrapper {
    height: 100%;
    min-height: 400px;
}

.newsletter-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

  MINING INVESTMENT PLAN SECTION
   ========================================== */
.mining-investment-section {
    background-color: var(--gray-100);
}

.mining-investment-section .section-title {
    font-size: var(--fs-5xl);
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.mining-investment-section .section-subtitle {
    font-size: var(--fs-lg);
    color: var(--gray-700);
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

.mining-table {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-top: var(--spacing-xl);
}

.mining-table thead {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--navy-medium) 100%);
    color: var(--white);
}

.mining-table thead th {
    font-weight: 700;
    font-size: var(--fs-lg);
    padding: var(--spacing-lg);
    border: none;
    text-align: left;
    vertical-align: middle;
}

.mining-table tbody tr {
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.mining-table tbody tr:hover {
    background-color: var(--gray-100);
    transform: scale(1.01);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.mining-table tbody tr:last-child {
    border-bottom: none;
}

.mining-table tbody td {
    padding: var(--spacing-lg);
    vertical-align: middle;
    font-size: var(--fs-base);
    line-height: 1.6;
}

.package-name {
    font-size: var(--fs-lg);
    color: var(--primary-blue);
    font-weight: 700;
}

.package-name i {
    font-size: var(--fs-2xl);
    margin-right: var(--spacing-sm);
    color: var(--accent-blue);
    vertical-align: middle;
}

.investment-amount {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--navy-medium);
    white-space: nowrap;
}

.return-potential {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: #28a745;
}

/* Responsive Mining Table */
@media (max-width: 991px) {
    .mining-table {
        font-size: var(--fs-sm);
    }
    
    .mining-table thead th,
    .mining-table tbody td {
        padding: var(--spacing-md);
    }
    
    .package-name {
        font-size: var(--fs-base);
    }
    
    .investment-amount {
        font-size: var(--fs-lg);
    }
}

@media (max-width: 767px) {
    .mining-table {
        display: block;
        overflow-x: auto;
    }
    
    .mining-table thead {
        display: none;
    }
    
    .mining-table tbody,
    .mining-table tr,
    .mining-table td {
        display: block;
    }
    
    .mining-table tbody tr {
        margin-bottom: var(--spacing-xl);
        border: 2px solid var(--gray-300);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
    }
    
    .mining-table tbody td {
        padding: var(--spacing-sm) 0;
        border: none;
    }
    
    .mining-table tbody td::before {
        content: attr(data-label);
        font-weight: 700;
        color: var(--primary-blue);
        display: block;
        margin-bottom: 0.5rem;
    }
    
    .package-name::before {
        content: '';
    }
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background-color: var(--navy-dark);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-brand {
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    max-width: 150px;
    height: auto;
}

.footer-heading {
    color: var(--accent-blue);
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: var(--white);
    font-size: var(--fs-base);
    transition: all var(--transition-base);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--accent-blue);
    padding-left: var(--spacing-xs);
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: var(--fs-xl);
    transition: all var(--transition-base);
}

.social-link:hover {
    background-color: var(--accent-blue);
    color: var(--white);
    transform: translateY(-3px);
}

/* Footer Bottom */
.footer-divider {
    border: none;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.2);
    margin: var(--spacing-xl) 0;
}

.footer-bottom {
    font-size: var(--fs-sm);
}

.copyright {
    margin: 0;
    opacity: 0.8;
}

.footer-legal-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-legal-links a {
    color: var(--white);
    opacity: 0.8;
    transition: all var(--transition-base);
}

.footer-legal-links a:hover {
    opacity: 1;
    color: var(--accent-blue);
}

@media (min-width: 768px) {
    .footer-legal-links {
        justify-content: flex-end;
    }
}

/* ==========================================
   SCROLL TO TOP BUTTON
   ========================================== */
.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background-color: var(--accent-blue);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--fs-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--primary-blue);
    transform: translateY(-5px);
}

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

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

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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animation-delay-1 {
    animation-delay: 0.2s;
}

.animation-delay-2 {
    animation-delay: 0.4s;
}

/* Intersection Observer Animations */
[data-animate] {
    opacity: 0;
    transition: all 0.8s ease-out;
}

[data-animate].animated {
    opacity: 1;
}

[data-animate="fade-up"].animated {
    animation: fadeInUp 0.8s ease-out forwards;
}

[data-animate="fade-left"].animated {
    animation: fadeInLeft 0.8s ease-out forwards;
}

[data-animate="fade-right"].animated {
    animation: fadeInRight 0.8s ease-out forwards;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 991px) {
    :root {
        --fs-6xl: 3rem;
        --fs-5xl: 2.5rem;
        --fs-4xl: 2rem;
        --spacing-3xl: 4rem;
    }
    
    .hero-section {
        min-height: 80vh;
    }
    
    .py-section {
        padding-top: var(--spacing-2xl);
        padding-bottom: var(--spacing-2xl);
    }
    
    .earnings-widget {
        position: static;
        margin-top: var(--spacing-xl);
    }
    
    .newsletter-content {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
}

@media (max-width: 767px) {
    :root {
        --fs-6xl: 2.5rem;
        --fs-5xl: 2rem;
        --fs-4xl: 1.75rem;
    }
    
    .btn {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .btn-group-custom {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn-group-custom .btn {
        margin: 0 !important;
    }
    
    .footer {
        text-align: center;
    }
    
    .footer-logo {
        margin: 0 auto var(--spacing-md);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-legal-links {
        flex-direction: column;
        align-items: center;
    }
}

/* ==========================================
   PRINT STYLES
   ========================================== */
@media print {
    .header-main,
    .footer,
    .scroll-to-top,
    .btn {
        display: none !important;
    }
    
    .hero-section {
        page-break-after: always;
    }
}