/* Base styles */
:root {
    --color-primary: #065f46;
    --color-primary-dark: #064e3b;
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    color: var(--color-gray-900);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header styles */
.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-100);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.5rem;
    text-decoration: none;
}

.nav {
    display: none;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
        gap: 2rem;
    }
}

.nav-group {
    position: relative;
}

.nav-button {
    display: flex;
    align-items: center;
    background: none;
    border: none;
    color: var(--color-gray-700);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.5rem;
}

.nav-link {
    color: var(--color-gray-700);
    text-decoration: none;
    padding: 0.5rem;
}

.dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: 0.375rem;
    box-shadow: var(--shadow-lg);
    min-width: 14rem;
    padding: 0.5rem;
}

.nav-group:hover .dropdown {
    display: block;
}

.dropdown a {
    display: block;
    padding: 0.5rem;
    color: var(--color-gray-700);
    text-decoration: none;
    border-radius: 0.25rem;
}

.dropdown a:hover {
    background-color: var(--color-gray-50);
}

.header-actions {
    display: none;
}

@media (min-width: 768px) {
    .header-actions {
        display: flex;
        align-items: center;
        gap: 1rem;
    }
}

.icon-button {
    color: var(--color-gray-700);
    text-decoration: none;
}

.cta-button {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s;
}

.cta-button:hover {
    background-color: var(--color-primary-dark);
}

.menu-button {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-gray-700);
    cursor: pointer;
}

@media (min-width: 768px) {
    .menu-button {
        display: none;
    }
}

/* Hero section */
.hero {
    background-color: var(--color-gray-50);
    padding: 4rem 0;
}

.hero-content {
    max-width: 48rem;
    margin: 0 auto;
    text-align: left;
}

.hero h1 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
}

.hero p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

.primary-button {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}

.primary-button:hover {
    background-color: var(--color-primary-dark);
    transform: scale(1.05);
}

.secondary-button {
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-700);
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}

.secondary-button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.hero-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* Coin Management Section */
.coin-management {
    padding: 4rem 0;
    background-color: var(--color-white);
}

.coin-management h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--color-gray-600);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.subtitle span {
    color: var(--color-primary);
    font-weight: 500;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.features-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature p {
    color: var(--color-gray-600);
}

.learn-more {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    margin-top: 1rem;
}

.portfolio-widget {
    background-color: var(--color-white);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.widget-header {
    background-color: var(--color-gray-100);
    padding: 0.75rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.browser-dots {
    display: flex;
    gap: 0.5rem;
}

.browser-dots span {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
}

.browser-dots span:nth-child(1) {
    background-color: #ef4444;
}

.browser-dots span:nth-child(2) {
    background-color: #f59e0b;
}

.browser-dots span:nth-child(3) {
    background-color: #10b981;
}

.widget-content {
    padding: 1.5rem;
}

.portfolio-overview {
    margin-bottom: 2rem;
}

.portfolio-value h4 {
    color: var(--color-gray-500);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.portfolio-value p {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.change {
    font-size: 0.875rem;
    font-weight: 500;
}

.change.positive {
    color: #10b981;
}

.change.negative {
    color: #ef4444;
}

.coin-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.coin-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.coin-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    margin-right: 1rem;
}

.coin-icon.btc {
    background-color: #f7931a;
}

.coin-icon.eth {
    background-color: #627eea;
}

.coin-info {
    flex: 1;
}

.coin-info h4 {
    font-weight: 500;
}

.coin-info p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.coin-value {
    text-align: right;
}

.coin-value p {
    font-weight: 500;
}

/* Verify Section */
.verify-section {
    padding: 4rem 0;
    background-color: var(--color-gray-50);
}

.verify-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .verify-content {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

.verify-text h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.verify-text > p {
    color: var(--color-gray-600);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.verify-features {
    display: grid;
    gap: 1.5rem;
}

.verify-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    background-color: var(--color-primary);
    color: var(--color-white);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.verify-device img {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
}

/* Supported Coins Section */
.supported-coins {
    padding: 4rem 0;
    text-align: center;
    background-color: var(--color-white);
}

.supported-coins h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.coin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
    max-width: 48rem;
    margin: 0 auto;
}

/* CTA Section */
.cta-section {
    padding: 4rem 0;
    background: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.product-showcase {
    position: relative;
    margin-top: 3rem;
}

.showcase-image {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
}

.product-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.product h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product p {
    color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-column h3 {
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

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

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: var(--color-gray-300);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-column ul li a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-800);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.25rem;
}

.copyright {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Cookie Consent */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    z-index: 50;
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
}

@media (min-width: 768px) {
    .cookie-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.cookie-text h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cookie-text p {
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

.cookie-buttons {
    display: flex;
    gap: 0.5rem;
}

.reject-button {
    background-color: var(--color-gray-200);
    color: var(--color-gray-800);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.reject-button:hover {
    background-color: var(--color-gray-300);
}

.accept-button {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.accept-button:hover {
    background-color: var(--color-primary-dark);
}