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

:root {
    --bg-primary: #2a2a2a;
    --bg-secondary: #1a1a1a;
    --bg-accent: #333333;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --accent-color: #ffffff;
    --border-color: #444444;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: 2px solid var(--accent-color);
    background: transparent;
    color: var(--text-primary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    min-width: 140px;
}

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

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

.btn-primary:hover {
    background: transparent;
    color: var(--accent-color);
}

.btn-secondary {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

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

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 2px solid var(--accent-color);
    padding: 20px;
    z-index: 1000;
    transform: translateY(100%);
    transition: var(--transition);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 20px;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.cookie-buttons .btn {
    padding: 8px 16px;
    font-size: 14px;
    min-width: 100px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--accent-color);
    z-index: 999;
    padding: 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    font-size: 1.8rem;
    margin: 0;
    letter-spacing: 3px;
}

.tagline {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-top: -5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav-menu a:hover {
    border-bottom-color: var(--accent-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--accent-color);
    transition: var(--transition);
}

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

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

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

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    line-height: 1.1;
}

.highlight {
    color: var(--accent-color);
    display: block;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border: 3px solid var(--accent-color);
    filter: grayscale(30%);
    transition: var(--transition);
}

.hero-image img:hover {
    filter: grayscale(0%);
    transform: scale(1.02);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.about-card {
    padding: 40px;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    transition: var(--transition);
    text-align: center;
}

.about-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: var(--accent-color);
}

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

.about-card h3 {
    margin-bottom: 15px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.service-card {
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    overflow: hidden;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    filter: grayscale(50%);
    transition: var(--transition);
}

.service-card:hover img {
    filter: grayscale(0%);
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    margin-bottom: 15px;
}

.service-content p {
    margin-bottom: 20px;
}

.service-content ul {
    list-style: none;
}

.service-content li {
    padding: 5px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

.service-content li:before {
    content: "▸";
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Articles Section */
.articles {
    background: var(--bg-secondary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.article-card {
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    overflow: hidden;
    transition: var(--transition);
}

.article-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    filter: grayscale(50%);
    transition: var(--transition);
}

.article-card:hover img {
    filter: grayscale(0%);
}

.article-content {
    padding: 25px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.category {
    color: var(--accent-color);
}

.article-content h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    color: var(--accent-color);
    flex-shrink: 0;
}

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

.contact-item h3 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-item p {
    margin: 0;
    color: var(--text-secondary);
}

/* Form Styles */
.contact-form {
    background: var(--bg-secondary);
    padding: 40px;
    border: 2px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    position: relative;
    flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    border-color: var(--accent-color);
    background: var(--accent-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark:after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--bg-primary);
    font-weight: bold;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 2px solid var(--accent-color);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    text-align: center;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: start;
        align-items: center;
        padding-top: 50px;
        transition: var(--transition);
        border-top: 2px solid var(--accent-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-content h2 {
        font-size: 2.2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .cookie-buttons {
        justify-content: center;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.3rem; }

    .section-header h2 {
        font-size: 2rem;
    }

    .about-grid,
    .services-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h2 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 250px;
    }

    section {
        padding: 60px 0;
    }

    .about-card,
    .service-content,
    .article-content {
        padding: 20px;
    }

    .contact-form {
        padding: 20px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Form Success/Error Messages */
.form-message {
    padding: 15px;
    margin-bottom: 20px;
    border: 2px solid;
    text-align: center;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-message.success {
    background: rgba(0, 255, 0, 0.1);
    border-color: #00ff00;
    color: #00ff00;
}

.form-message.error {
    background: rgba(255, 0, 0, 0.1);
    border-color: #ff0000;
    color: #ff0000;
}

/* Calculators Section */
.calculators {
    background: var(--bg-primary);
}

.calculators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.calculator-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.calculator-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.calculator-header {
    padding: 30px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.calculator-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: var(--accent-color);
}

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

.calculator-form {
    padding: 30px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--transition);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.calculation-result {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-primary);
    border-left: 4px solid var(--accent-color);
    min-height: 60px;
    display: none;
}

.calculation-result.show {
    display: block;
}

.calculation-result h4 {
    margin-bottom: 10px;
    color: var(--accent-color);
}

.calculation-result .result-item {
    display: flex;
    justify-content: space-between;
    margin: 8px 0;
    padding: 5px 0;
    border-bottom: 1px solid var(--border-color);
}

.calculation-result .result-item:last-child {
    border-bottom: none;
    font-weight: bold;
    color: var(--accent-color);
}

/* FAQ Section */
.faq {
    background: var(--bg-secondary);
}

.faq-grid {
    display: grid;
    gap: 20px;
}

.faq-item {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--accent-color);
}

.faq-question {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-accent);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
    transition: var(--transition);
}

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

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 25px 25px;
}

.faq-answer p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Tax Calendar Section */
.tax-calendar {
    background: var(--bg-primary);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.calendar-month {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    padding: 25px;
    transition: var(--transition);
}

.calendar-month:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.calendar-month.highlight {
    border-color: var(--accent-color);
    background: var(--bg-accent);
}

.calendar-month h3 {
    margin-bottom: 20px;
    text-align: center;
    color: var(--accent-color);
    font-size: 1.3rem;
}

.calendar-events {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.calendar-event {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    background: var(--bg-primary);
    border-left: 3px solid var(--border-color);
    transition: var(--transition);
}

.calendar-event:hover {
    border-left-color: var(--accent-color);
}

.calendar-event.important {
    border-left-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.05);
}

.calendar-event .date {
    font-weight: bold;
    color: var(--accent-color);
    min-width: 50px;
    font-size: 0.9rem;
}

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

/* Useful Links Section */
.useful-links {
    background: var(--bg-secondary);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.link-category {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    padding: 30px;
}

.link-category h3 {
    margin-bottom: 25px;
    text-align: center;
    color: var(--accent-color);
    font-size: 1.3rem;
}

.links-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.link-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-decoration: none;
}

.link-item:hover {
    border-color: var(--accent-color);
    background: var(--bg-accent);
    transform: translateX(5px);
}

.link-icon {
    font-size: 1.5rem;
    min-width: 30px;
    text-align: center;
}

.link-content h4 {
    margin: 0 0 5px 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.link-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* News Section */
.news {
    background: var(--bg-primary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-item {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    padding: 25px;
    transition: var(--transition);
    position: relative;
}

.news-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.news-item.featured {
    grid-column: 1 / -1;
    background: var(--bg-accent);
    border-color: var(--accent-color);
}

.news-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.news-tag {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
    margin-bottom: 15px;
    border-radius: 0;
}

.news-tag.important {
    background: #ff4444;
    color: white;
}

.news-tag.update {
    background: #4444ff;
    color: white;
}

.news-tag.info {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.news-tag.tip {
    background: #44ff44;
    color: var(--bg-primary);
}

.news-tag.deadline {
    background: #ff8844;
    color: white;
}

.news-item h3 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.news-item p {
    margin-bottom: 20px;
    line-height: 1.6;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: auto;
}

.news-meta .category {
    background: var(--bg-primary);
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.news-meta .reading-time {
    font-style: italic;
}

/* Responsive Updates */
@media (max-width: 768px) {
    .calculators-grid,
    .links-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .calendar-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-header,
    .calculator-form {
        padding: 20px;
    }
    
    .faq-question,
    .faq-answer {
        padding: 20px;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 20px 20px;
    }
    
    .calendar-month,
    .link-category,
    .news-item {
        padding: 20px;
    }
    
    .news-item.featured {
        grid-column: 1;
    }
    
    .link-item {
        padding: 12px;
    }
    
    .news-meta {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
*:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}