:root {
    --color-bg-white: #ffffff;
    --color-bg-gray: #f4f4f5;
    --color-bg-dark: #111111;
    --color-text-main: #111111;
    --color-text-secondary: #555555;
    --color-text-light: #888888;
    --color-accent: #000000; /* Black accent for premium feel */
    --color-border: #e5e5e5;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --spacing-container: 1200px;
    --nav-height: 70px;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
    color: var(--color-text-main);
    background-color: var(--color-bg-white);
    line-height: 1.6;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body * {
    box-sizing: border-box;
}

/* Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-white);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}

.loader-logo {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    animation: pulseLoader 1.5s infinite ease-in-out;
}

@keyframes pulseLoader {
    0% { opacity: 0.5; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1); }
    100% { opacity: 0.5; transform: scale(0.95); }
}

/* Advertisement Bar */
.ad-top-bar {
    background-color: var(--color-bg-gray);
    padding: 10px 20px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.ad-text {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin: 0;
    font-weight: 500;
}

/* Header */
.main-header {
    height: var(--nav-height);
    background-color: var(--color-bg-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
}

.header-container {
    max-width: var(--spacing-container);
    width: 90%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--color-text-main);
    letter-spacing: -0.05em;
    text-transform: uppercase;
}

.desktop-nav {
    display: block;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-main);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--color-text-light);
}

.header-cta-container {
    display: block;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #333;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: var(--color-bg-gray);
}

/* Mobile Menu */
.hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
    transition: all 0.3s ease;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    right: -100%; /* Hidden by default */
    width: 75%; /* Requested 75% width */
    height: 100vh;
    background-color: var(--color-bg-white);
    z-index: 2000;
    box-shadow: -5px 0 20px rgba(0,0,0,0.1);
    transition: right 0.3s ease-in-out;
    padding: 80px 40px;
    display: flex;
    flex-direction: column;
}

.mobile-menu-overlay.open {
    right: 0;
}

.close-menu-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-text-main);
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-nav-link {
    text-decoration: none;
    color: var(--color-text-main);
    font-size: 1.25rem;
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, var(--color-bg-white), var(--color-bg-gray));
}

.hero-container {
    max-width: var(--spacing-container);
    width: 90%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-image-wrapper {
    flex: 1;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* Section Common */
.section {
    padding: 100px 0;
}

.section-container {
    max-width: var(--spacing-container);
    width: 90%;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.bg-gray {
    background-color: var(--color-bg-gray);
}

/* About Section */
.about-grid {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text-content {
    flex: 1;
}

.about-image-content {
    flex: 1;
}

.section-text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.section-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background-color: var(--color-bg-white);
    padding: 30px;
    border-radius: 8px;
    transition: transform 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.feature-large-image {
    text-align: center;
    margin-top: 60px;
}

.feature-img-large {
    max-width: 80%;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

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

.testimonial-card {
    background-color: var(--color-bg-gray);
    padding: 40px;
    border-radius: 12px;
    position: relative;
}

.stars {
    color: #000;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-text-main);
    margin-bottom: 24px;
}

.testimonial-author {
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

/* FAQs */
.faq-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 24px 0;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-main);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
}

.faq-item.active .faq-question::after {
    content: '-';
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px; /* Approximate max height */
}

.faq-text {
    padding-bottom: 24px;
    color: var(--color-text-secondary);
    margin: 0;
}

/* Footer */
.main-footer {
    background-color: var(--color-bg-dark);
    color: var(--color-bg-white);
    padding: 80px 0 40px;
}

.footer-container {
    max-width: var(--spacing-container);
    width: 90%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-heading {
    color: var(--color-bg-white);
    font-size: 1.2rem;
    margin-bottom: 24px;
}

.footer-text {
    color: #999;
    font-size: 0.95rem;
    margin-bottom: 12px;
}

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

.footer-link-item {
    margin-bottom: 12px;
}

.footer-link {
    color: #999;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--color-bg-white);
}

.footer-disclaimer {
    max-width: var(--spacing-container);
    width: 90%;
    margin: 0 auto 40px;
    padding: 20px;
    border: 1px solid #333;
    border-radius: 4px;
}

.disclaimer-text {
    margin: 0;
    font-size: 0.85rem;
    color: #777;
    text-align: center;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #333;
    padding-top: 20px;
    color: #555;
    font-size: 0.85rem;
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-white);
    padding: 20px;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    z-index: 9000;
    display: none; /* Controlled by JS */
    border-top: 1px solid var(--color-border);
}

.cookie-content {
    max-width: var(--spacing-container);
    width: 90%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.cookie-text {
    margin: 0;
    font-size: 0.95rem;
}

.cookie-buttons {
    display: flex;
    gap: 12px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    z-index: 10000;
    display: none;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--color-bg-white);
    padding: 40px;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-title {
    margin-top: 0;
    margin-bottom: 24px;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-container, .about-grid, .footer-container {
        flex-direction: column;
    }
    
    .features-grid, .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .desktop-nav, .header-cta-container {
        display: none;
    }

    .hamburger-btn {
        display: flex;
    }
}