/* CSS Variables & Reset */
:root {
    --primary-color: #00d182; /* Vibrant Green similar to Finanzguru */
    --primary-dark: #00a86b;
    --secondary-color: #f0fdf9;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --background: #f9fafb; /* Very light grey for background */
    --accent: #111827; /* Dark almost black accent */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-md);
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(0, 209, 130, 0.39);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 209, 130, 0.23);
}

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

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

/* Loader */
.loader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.loader-container.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-text {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    animation: pulse 2s infinite;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--secondary-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(0.98); }
}

/* Advertisement Notice */
.ad-top-notice {
    background-color: #f3f4f6;
    color: #6b7280;
    font-size: 0.75rem;
    padding: 0.5rem 0;
    text-align: center;
    border-bottom: 1px solid #e5e7eb;
}

.ad-text {
    margin: 0;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 900;
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.5px;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    z-index: 1001;
}

.bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--white) 100%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary-dark), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-image-wrapper {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero-img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

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

/* Sections General */
.section {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 4rem;
    text-align: left;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* About Us */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.text-content {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Why Us */
.why-us-section {
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 209, 130, 0.2);
    background: var(--white);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.feature-icon, .feature-icon-lg {
    max-width: 32px;
    max-height: 32px;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.feature-desc {
    color: var(--text-light);
}

/* Testimonials */
.testimonials-section {
    background: linear-gradient(180deg, var(--white) 0%, var(--secondary-color) 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    border-top: 4px solid var(--primary-color);
}

.testimonial-text {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 700;
    color: var(--accent);
}

.author-role {
    font-size: 0.875rem;
    color: var(--primary-color);
}

/* FAQ */
.faq-section {
    background-color: var(--white);
}

.faq-container {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    border-bottom: 1px solid #e5e7eb;
}

.faq-question {
    width: 100%;
    padding: 1.5rem 0;
    text-align: left;
    background: none;
    border: none;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--accent);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

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

.faq-text {
    padding-bottom: 1.5rem;
    color: var(--text-light);
}

/* Footer */
.footer {
    background-color: #111827;
    color: #e5e7eb;
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-heading {
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-text {
    color: #9ca3af;
    margin-bottom: 0.75rem;
}

.footer-link {
    color: #9ca3af;
    display: block;
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding: 2rem 0;
    text-align: center;
}

.ad-footer-notice {
    margin-bottom: 1rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.ad-disclaimer-text {
    font-size: 0.75rem;
    color: #9ca3af;
}

.copyright-text {
    font-size: 0.875rem;
    color: #6b7280;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%; /* Start off-screen */
    width: 75%; /* User Request */
    height: 100vh;
    background: var(--white);
    z-index: 2000;
    padding: 2rem;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s cubic-bezier(0.77, 0, 0.175, 1);
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    right: 0;
}

.close-menu {
    align-self: flex-end;
    background: none;
    border: none;
    cursor: pointer;
    margin-bottom: 3rem;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav-link {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
}

.mobile-cta {
    margin-top: 1rem;
    background: var(--primary-color);
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    text-align: center;
    width: 100%;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    opacity: 1;
}

.modal-content {
    background-color: var(--white);
    padding: 2.5rem;
    width: 90%;
    max-width: 600px;
    border-radius: var(--radius-lg);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--accent);
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 500px;
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 5000;
    display: none; /* hidden initially */
    border: 1px solid #e5e7eb;
}

.cookie-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.cookie-text {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1.25rem;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
}

/* Responsive adjustments */
@media (max-width: 968px) {
    .hero-container, .about-grid, .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-container {
        text-align: center;
        flex-direction: column-reverse; /* image on top maybe? No, text on top usually better on mobile, but let's check */
    }

    .hero-text {
        order: 2;
    }

    .hero-image-wrapper {
        order: 1;
        max-width: 80%;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .desktop-nav, .header-cta-wrapper {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }

    .hero {
        padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .footer-col {
        margin-bottom: 0;
    }
    
    .modal-content {
        padding: 1.5rem;
    }
}