@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --container-bg: rgba(255, 255, 255, 0.8);
    --text-color: #2d3436;
    --heading-color: #2d3436;
    --border-color: rgba(0, 0, 0, 0.1);
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --history-item-bg: rgba(255, 255, 255, 0.5);
    --history-text: #2d3436;
    --toggle-bg: #fff;
    --section-alternate-bg: rgba(255, 255, 255, 0.4);
    --nav-bg: rgba(255, 255, 255, 0.9);
}

.dark-mode {
    --bg-gradient: linear-gradient(135deg, #2d3436 0%, #000000 100%);
    --container-bg: rgba(45, 52, 54, 0.7);
    --text-color: #dfe6e9;
    --heading-color: #ffffff;
    --border-color: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    --history-item-bg: rgba(0, 0, 0, 0.3);
    --history-text: #dfe6e9;
    --toggle-bg: #2d3436;
    --section-alternate-bg: rgba(0, 0, 0, 0.2);
    --nav-bg: rgba(45, 52, 54, 0.95);
}

* {
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    background: var(--bg-gradient);
    color: var(--text-color);
    line-height: 1.6;
    transition: background 0.5s ease;
}

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--heading-color);
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #ff6b6b;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.hero-section {
    padding: 80px 0;
    text-align: center;
}

.hero-section .container {
    background: var(--container-bg);
    padding: 60px;
    border-radius: 30px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

h1 {
    font-size: 3em;
    color: var(--heading-color);
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2em;
    margin-bottom: 40px;
    opacity: 0.8;
}

.content-section {
    padding: 80px 0;
}

.content-section.alternate {
    background: var(--section-alternate-bg);
}

.content-section h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 40px;
    color: var(--heading-color);
}

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

.content-card {
    background: var(--container-bg);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.faq-item {
    margin-bottom: 30px;
}

.faq-item h4 {
    font-size: 1.2em;
    color: var(--heading-color);
    margin-bottom: 10px;
}

#generate-btn {
    padding: 18px 40px;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    border-radius: 15px;
    background: linear-gradient(135deg, #ff6b6b, #f06595);
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px 0 rgba(255, 107, 107, 0.4);
    margin: 20px 0 40px;
}

#generate-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px 0 rgba(255, 107, 107, 0.6);
}

.history-container {
    margin-top: 40px;
}

#history-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

#history-list li {
    background: var(--history-item-bg);
    padding: 10px 15px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

#theme-btn {
    background: var(--toggle-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    transition: all 0.3s ease;
    color: var(--text-color);
}

footer {
    background: var(--nav-bg);
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 80px;
    text-align: center;
}

.footer-links {
    margin-top: 20px;
}

.footer-links a {
    margin: 0 15px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
}

.legal-page .container {
    background: var(--container-bg);
    margin-top: 50px;
    margin-bottom: 50px;
    padding: 60px;
    border-radius: 30px;
    box-shadow: var(--card-shadow);
}

.back-link {
    display: inline-block;
    margin-top: 30px;
    padding: 10px 20px;
    background: var(--heading-color);
    color: var(--container-bg);
    text-decoration: none;
    border-radius: 8px;
}

@media (max-width: 768px) {
    h1 { font-size: 2em; }
    nav ul { display: none; } /* Could add hamburger menu for real product */
    .hero-section .container { padding: 30px; }
    .legal-page .container { padding: 30px; }
}