/* ================================================
   Hainan Huirui Trading Co., Ltd.
   Main Stylesheet
   ================================================ */

/* CSS Variables */
:root {
    --primary-color: #0066cc;
    --primary-dark: #004c99;
    --primary-light: #e6f2ff;
    --secondary-color: #ff6b35;
    --accent-color: #00b4d8;
    --dark-color: #1a1a2e;
    --gray-dark: #2d3436;
    --gray-medium: #636e72;
    --gray-light: #b2bec3;
    --light-color: #f8f9fa;
    --white: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.25);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

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

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

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

ul, ol {
    list-style: none;
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 40px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-color);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.8rem; }
h3 { font-size: 2.2rem; }
h4 { font-size: 1.8rem; }
h5 { font-size: 1.4rem; }
h6 { font-size: 1.2rem; }

p {
    margin-bottom: 1rem;
    color: var(--gray-medium);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo svg {
    width: 50px;
    height: 50px;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list {
    display: flex;
    gap: 35px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-dark);
    padding: 8px 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

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

.nav-cta {
    background: var(--primary-color);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 50%, var(--light-color) 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 25px;
    animation: fadeInUp 0.8s ease;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 25px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-medium);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.35);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 102, 204, 0.45);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.hero-visual {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    z-index: 1;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Section Styles */
.section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 70px;
}

.section-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.section-header h2 {
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.1rem;
}

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

.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--white);
}

.section-dark p {
    color: var(--gray-light);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 35px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon svg {
    width: 36px;
    height: 36px;
    color: var(--primary-color);
}

.service-card h4 {
    margin-bottom: 15px;
}

.service-card p {
    font-size: 0.95rem;
}

/* App Features Section */
.app-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.app-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.app-info h2 {
    color: var(--white);
    margin-bottom: 25px;
}

.app-info p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.app-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.app-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.app-feature svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.app-feature span {
    font-weight: 500;
    font-size: 0.95rem;
}

.app-showcase {
    position: relative;
    display: flex;
    justify-content: center;
}

.app-phone {
    width: 300px;
    height: 600px;
    background: var(--dark-color);
    border-radius: 45px;
    padding: 15px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
    position: relative;
    z-index: 2;
}

.app-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-light), var(--white));
    border-radius: 35px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.app-logo {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 15px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-logo svg {
    width: 35px;
    height: 35px;
    color: white;
}

.app-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.app-subtitle {
    font-size: 0.8rem;
    color: var(--gray-medium);
    margin-bottom: 30px;
}

.app-mock-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mock-card {
    background: var(--white);
    padding: 15px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.mock-card-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-color);
}

.mock-card-desc {
    font-size: 0.75rem;
    color: var(--gray-medium);
}

.mock-ad {
    background: linear-gradient(135deg, var(--secondary-color), #ff8c42);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    color: white;
    font-weight: 600;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 25px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.feature-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 42px;
    height: 42px;
    color: var(--white);
}

.feature-card h4 {
    margin-bottom: 12px;
}

/* Stats Section */
.stats-section {
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--gray-dark) 100%);
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: var(--gray-light);
    font-weight: 500;
}

/* Culture Section */
.culture-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 80px;
}

.value-card {
    text-align: center;
    padding: 50px 35px;
    background: var(--white);
    border-radius: 25px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.value-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.value-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, var(--primary-light), var(--white));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--primary-color);
}

.value-icon svg {
    width: 50px;
    height: 50px;
    color: var(--primary-color);
}

.value-card h4 {
    margin-bottom: 15px;
}

/* Timeline */
.timeline-section {
    background: var(--light-color);
    padding: 100px 0;
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    padding: 30px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 2;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 35px;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translateX(-50%);
    border: 4px solid var(--white);
    box-shadow: var(--shadow-md);
}

.timeline-year {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 18px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.timeline-content h4 {
    margin-bottom: 10px;
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.news-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.news-image {
    height: 220px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
    position: relative;
    overflow: hidden;
}

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

.news-category {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.news-content {
    padding: 30px;
}

.news-date {
    font-size: 0.85rem;
    color: var(--gray-light);
    margin-bottom: 12px;
}

.news-card h4 {
    margin-bottom: 15px;
    font-size: 1.3rem;
    transition: color var(--transition-fast);
}

.news-card:hover h4 {
    color: var(--primary-color);
}

.news-excerpt {
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.read-more svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.read-more:hover svg {
    transform: translateX(5px);
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    background: var(--white);
    padding: 50px;
    border-radius: 25px;
    box-shadow: var(--shadow-md);
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 35px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-color);
}

.contact-item h5 {
    margin-bottom: 8px;
}

.contact-item p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.contact-form {
    background: var(--white);
    padding: 50px;
    border-radius: 25px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--gray-light);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.btn-submit {
    width: 100%;
    padding: 18px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: 25px;
}

.footer-brand .logo svg {
    width: 60px;
    height: 60px;
}

.footer-brand .logo-text {
    color: var(--white);
    font-size: 1.6rem;
}

.footer-description {
    color: var(--gray-light);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

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

.social-link svg {
    width: 22px;
    height: 22px;
    color: var(--white);
}

.footer-column h5 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--gray-light);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-newsletter p {
    color: var(--gray-light);
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 18px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 0.95rem;
}

.newsletter-form input::placeholder {
    color: var(--gray-light);
}

.newsletter-form button {
    padding: 14px 25px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.newsletter-form button:hover {
    background: var(--primary-dark);
}

.footer-bottom {
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray-light);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.footer-legal {
    display: flex;
    gap: 30px;
}

.footer-legal a {
    color: var(--gray-light);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--white);
}

/* Legal Pages */
.legal-page {
    padding-top: 120px;
    padding-bottom: 80px;
}

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

.legal-content h1 {
    text-align: center;
    margin-bottom: 20px;
}

.legal-meta {
    text-align: center;
    color: var(--gray-medium);
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--gray-light);
}

.legal-section {
    margin-bottom: 40px;
}

.legal-section h2 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.legal-section h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.legal-section p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.legal-section ul {
    margin-bottom: 20px;
    padding-left: 25px;
}

.legal-section li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.legal-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Ad Networks Section in Privacy */
.ad-network {
    background: var(--light-color);
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 20px;
}

.ad-network h4 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.ad-network p {
    margin-bottom: 10px;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    padding: 160px 0 100px;
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 15px;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

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

.breadcrumb span {
    color: rgba(255, 255, 255, 0.6);
}

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

.mb-0 { margin-bottom: 0 !important; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }
.mb-80 { margin-bottom: 80px; }

.bg-light { background-color: var(--light-color); }
.bg-white { background-color: var(--white); }
.bg-dark { background-color: var(--dark-color); }

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.6s ease;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.6s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

/* App Section Ad Network Cards - White text on dark background */
.app-section .ad-network {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.app-section .ad-network h4 {
    color: var(--white);
    margin-bottom: 15px;
}

.app-section .ad-network p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 10px;
}

.app-section .ad-network li {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 8px;
}

.app-section .ad-network li::before {
    color: var(--white);
}