/* General Styles */
:root {
    --primary-color: #f3ba2f;
    --primary-dark: #d4a017;
    --text-dark: #1f1f1f;
    --text-light: #6f6f6f;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-radius: 8px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

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

a:hover {
    color: var(--primary-dark);
}

/* Buttons */
.cta-button {
    background-color: var(--primary-color);
    color: #000;
    border: none;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(243, 186, 47, 0.4);
}

.cta-button.large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

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

/* Navigation Bar */
.navbar {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #f3ba2f15 100%);
    padding: 80px 0;
    overflow: hidden;
}

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

.hero-content {
    animation: slideInLeft 0.8s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-image {
    animation: slideInRight 0.8s ease-out;
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.slideshow-container {
    position: relative;
    width: 100%;
    height: 9cm;
    border-radius: 12px;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 3s ease-in-out;
}

.slide.fade-in {
    opacity: 1;
}

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

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

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-dark);
}

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

.feature-card {
    background-color: var(--bg-light);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

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

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

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Help Section */
.help {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.help-item {
    background-color: var(--bg-white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.help-item h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.help-item ul {
    list-style: none;
}

.help-item li {
    color: var(--text-light);
    padding: 8px 0;
    position: relative;
    padding-left: 20px;
}

.help-item li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.faq-container {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 20px;
    background-color: var(--bg-light);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    color: var(--text-dark);
}

.faq-question:hover {
    background-color: #ececec;
}

.faq-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-dark);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #ccc;
    transition: var(--transition);
}

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

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

.social-icon {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #333;
    border-radius: 50%;
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--primary-color);
    color: #000;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    margin-bottom: 30px;
}

.app-download {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.download-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.download-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: #333;
    color: #fff;
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid #555;
}

.download-btn:hover {
    background-color: var(--primary-color);
    color: #000;
    border-color: var(--primary-color);
}

.download-btn svg {
    width: 20px;
    height: 20px;
}

.download-btn.android:hover {
    background: linear-gradient(135deg, var(--primary-color), #ffb300);
}

.download-btn.ios:hover {
    background: linear-gradient(135deg, var(--primary-color), #ffc147);
}

.footer-copyright {
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}



@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(243, 186, 47, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(243, 186, 47, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(243, 186, 47, 0);
    }
}

/* Animations */
@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);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-logo span {
        display: none;
    }

    .nav-menu {
        position: absolute;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        gap: 0;
    }

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

    .nav-menu li {
        padding: 15px 0;
        border-bottom: 1px solid var(--bg-light);
    }

    .hamburger {
        display: flex;
    }

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

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-container {
        grid-template-columns: 1fr;
        padding: 40px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .help-grid {
        grid-template-columns: 1fr;
    }

    .faq-container {
        max-width: 100%;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }



    .download-buttons {
        gap: 10px;
    }

    .download-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    .download-btn svg {
        width: 18px;
        height: 18px;
    }

    .cta-section h2 {
        font-size: 1.8rem;
    }

    .cta-section p {
        font-size: 1rem;
    }

    .cta-button {
        padding: 10px 24px;
    }

    .cta-button.large {
        padding: 12px 32px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 30px;
    }

    .features-grid {
        gap: 15px;
    }

    .feature-card {
        padding: 25px 15px;
    }

    .help-item {
        padding: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .download-buttons {
        width: 100%;
    }

    .download-btn {
        flex: 1;
        justify-content: center;
    }

    .cta-section {
        padding: 40px 0;
    }

    .cta-button.large {
        width: 100%;
    }
}

/* Print Styles */


/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    position: relative;
}

.modal-content h2 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 2rem;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 15px;
}

.modal-content h3 {
    color: var(--primary-color);
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.modal-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

.modal-content ul {
    list-style: none;
    padding-left: 20px;
    margin-bottom: 15px;
}

.modal-content ul li {
    color: var(--text-light);
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
}

.modal-content ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: #000;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    margin-top: 20px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.modal-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(243, 186, 47, 0.4);
}

.modal-trigger {
    cursor: pointer;
    padding: 5px 0;
}

.modal-trigger:hover {
    text-decoration: underline;
}

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

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

@media print {
    .navbar,
    .message-button,
    .cta-button {
        display: none;
    }

    body {
        background-color: var(--bg-white);
    }

    section {
        page-break-inside: avoid;
    }
}

/* Language Selector */
.language-selector {
    margin-left: auto;
    padding-right: 10px;
}

.lang-select {
    padding: 8px 12px;
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-white);
    color: var(--text-dark);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.9rem;
}

.lang-select:hover {
    background-color: var(--bg-light);
    border-color: var(--primary-dark);
}

/* API Section */
.api-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #f3ba2f10 100%);
}

/* Ticker */
.ticker-container {
    margin-bottom: 40px;
}

.ticker-label {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ticker-wrapper {
    overflow: hidden;
    background: linear-gradient(90deg, #f3ba2f, #ffb300);
    border-radius: 8px;
    padding: 12px 0;
    box-shadow: 0 4px 15px rgba(243, 186, 47, 0.3);
}

.ticker {
    display: flex;
    animation: scroll-ticker 30s linear infinite;
    white-space: nowrap;
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0 30px;
    color: #000;
    font-weight: 600;
    font-size: 0.95rem;
}

.ticker-symbol {
    font-weight: 700;
    min-width: 50px;
}

.ticker-price {
    min-width: 80px;
}

.ticker-change {
    min-width: 60px;
    font-weight: 600;
}

.ticker-change.positive {
    color: #00c853;
}

.ticker-change.negative {
    color: #d32f2f;
}

@keyframes scroll-ticker {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Visualizations Grid */
.api-visualizations {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 30px;
}

.viz-card {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow-lg);
    border-top: 3px solid var(--primary-color);
    animation: slideInUp 0.6s ease-out;
}

.viz-card h3 {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.chart-card canvas {
    max-height: 250px;
}

.bubble-card canvas {
    max-height: 250px;
}

/* Heatmap */
.heatmap-card {
    grid-column: 1 / -1;
}

.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(40px, 1fr));
    gap: 8px;
    padding: 20px;
    background: linear-gradient(135deg, #f5f5f5, #fff);
    border-radius: 10px;
}

.heatmap-cell {
    aspect-ratio: 1;
    border-radius: 6px;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    color: #000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.heatmap-cell:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.heatmap-cell.cold {
    background-color: #64b5f6;
}

.heatmap-cell.cool {
    background-color: #42a5f5;
}

.heatmap-cell.neutral {
    background-color: #f3ba2f;
}

.heatmap-cell.warm {
    background-color: #ff9800;
}

.heatmap-cell.hot {
    background-color: #ff5252;
}

/* Crypto Data Grid */
.crypto-data-section {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
}

.crypto-data-section h3 {
    color: var(--text-dark);
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.crypto-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
}

.crypto-item {
    background: linear-gradient(135deg, var(--primary-color), #ffb300);
    color: #000;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(243, 186, 47, 0.3);
    transition: var(--transition);
    animation: slideInUp 0.6s ease-out;
}

.crypto-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(243, 186, 47, 0.5);
}

.crypto-name {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.crypto-price {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.crypto-cap {
    font-size: 0.8rem;
    opacity: 0.95;
    font-weight: 500;
}

.loading {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-light);
    padding: 20px;
    font-style: italic;
}

/* CTA */
.api-cta {
    text-align: center;
    padding: 20px 0;
}

.api-cta .cta-button {
    padding: 15px 40px;
    font-size: 1.05rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .api-visualizations {
        grid-template-columns: 1fr;
    }

    .ticker-item {
        padding: 0 15px;
        font-size: 0.85rem;
    }

    .heatmap-grid {
        grid-template-columns: repeat(auto-fit, minmax(35px, 1fr));
        gap: 6px;
    }

    .crypto-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .crypto-data-section {
        padding: 25px;
    }
}

.crypto-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.crypto-item {
    background: linear-gradient(135deg, var(--primary-color), #ffb300);
    color: #000;
    padding: 15px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 4px 12px rgba(243, 186, 47, 0.3);
    transition: var(--transition);
}

.crypto-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(243, 186, 47, 0.4);
}

.crypto-name {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.crypto-price {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.crypto-cap {
    font-size: 0.85rem;
    opacity: 0.9;
}

.api-note {
    background-color: var(--bg-light);
    padding: 15px;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
    font-size: 0.9rem;
    color: var(--text-dark);
}

.api-note p {
    margin: 0;
}

.loading {
    text-align: center;
    color: var(--text-light);
    padding: 20px;
    font-style: italic;
}

@media (max-width: 768px) {
    .language-selector {
        margin-left: 0;
        padding: 10px 0;
        order: 2;
        width: 100%;
    }

    .lang-select {
        width: 100%;
    }

    .api-animation-wrapper {
        grid-template-columns: 1fr;
    }

    .api-illustration {
        height: 300px;
    }

    .api-features {
        grid-template-columns: 1fr;
    }

    .crypto-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .crypto-data-section {
        padding: 25px;
    }

    .api-visualizations {
        grid-template-columns: 1fr;
    }

    .ticker-item {
        padding: 0 15px;
        font-size: 0.85rem;
    }

    .heatmap-grid {
        grid-template-columns: repeat(auto-fit, minmax(35px, 1fr));
        gap: 6px;
    }
}

@media (max-width: 480px) {
    .crypto-list {
        grid-template-columns: 1fr;
    }

    .api-card {
        padding: 20px;
    }

    .lang-select {
        font-size: 0.85rem;
        padding: 6px 10px;
    }
}