@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --bg-color: #ffffff;
    --section-bg: #f8fafc;
    --container-bg: #ffffff;
    --text-color: #1e293b;
    --secondary-text-color: #64748b;
    --accent-color: #4CAF50;
    --accent-secondary: #2196F3;
    --button-hover: #45a049;
    --fortune-btn-hover: #1976D2;
    --number-bg: #f1f5f9;
    --number-text: #1e293b;
    --shadow-color: rgba(0, 0, 0, 0.05);
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --toggle-bg: #f1f5f9;
    --toggle-icon-color: #555;
    --navbar-bg: rgba(255, 255, 255, 0.8);
}

body.dark-theme {
    --bg-color: #0f172a;
    --section-bg: #1e293b;
    --container-bg: #1e293b;
    --text-color: #f1f5f9;
    --secondary-text-color: #94a3b8;
    --accent-color: #4CAF50;
    --accent-secondary: #3b82f6;
    --button-hover: #2E7D32;
    --fortune-btn-hover: #1565C0;
    --number-bg: #334155;
    --number-text: #f1f5f9;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --toggle-bg: #334155;
    --toggle-icon-color: #f1c40f;
    --navbar-bg: rgba(15, 23, 42, 0.8);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--navbar-bg);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--shadow-color);
    transition: background-color 0.3s;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo span {
    color: var(--accent-color);
}

nav a {
    text-decoration: none;
    color: var(--secondary-text-color);
    margin: 0 1.5rem;
    font-weight: 600;
    transition: color 0.3s;
}

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

.theme-toggle {
    background: var(--toggle-bg);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--toggle-icon-color);
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

/* Sections General */
section {
    padding: 100px 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

.underline {
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    margin: 10px auto;
    border-radius: 2px;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at top right, var(--accent-color)0%, transparent 40%),
                radial-gradient(circle at bottom left, var(--accent-secondary)0%, transparent 40%);
    background-blend-mode: soft-light;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-content h1 span {
    color: var(--accent-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--secondary-text-color);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.cta-btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

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

.cta-btn.primary:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
}

.cta-btn.secondary {
    background: transparent;
    color: var(--text-color);
    border: 2px solid var(--accent-color);
}

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

/* Features Section */
.features-section {
    background-color: var(--section-bg);
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--container-bg);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

/* Tools Section */
.tools-section .container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.tool-card {
    background: var(--container-bg);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tool-card h3 {
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

#generate-btn, #fortune-btn {
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    font-weight: 600;
    width: 100%;
}

#generate-btn {
    background-color: var(--accent-color);
}

#generate-btn:hover {
    background-color: var(--button-hover);
}

#fortune-btn {
    background-color: var(--accent-secondary);
}

#fortune-btn:hover {
    background-color: var(--fortune-btn-hover);
}

.numbers-container {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    min-height: 50px;
}

.number {
    background-color: var(--number-bg);
    color: var(--number-text);
    width: 45px;
    height: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 600;
    box-shadow: var(--shadow-color);
}

.fortune-display {
    margin-top: 2rem;
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--secondary-text-color);
    font-style: italic;
    min-height: 50px;
}

/* Footer */
.footer {
    padding: 4rem 2rem;
    background: var(--section-bg);
    border-top: 1px solid var(--shadow-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-info .logo {
    margin-bottom: 1rem;
}

.footer-copy {
    color: var(--secondary-text-color);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container nav {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .tools-section .container {
        grid-template-columns: 1fr;
    }
}