@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&family=Poppins:wght@500;600;700&display=swap');

:root {
    /* Color Palette - Dark Mode (Default) */
    --bg-dark: #0f1117;
    --bg-dark-secondary: #161b22;
    --text-primary-dark: #ffffff;
    --text-secondary-dark: #a0aec0;
    --border-dark: rgba(255, 255, 255, 0.08);
    --card-bg-dark: rgba(255, 255, 255, 0.04);
    --card-shadow-dark: 0 8px 32px 0 rgba(0, 0, 0, 0.3);

    /* Color Palette - Light Mode */
    --bg-light: #f5f5f5;
    --bg-light-secondary: #ffffff;
    --text-primary-light: #121212;
    --text-secondary-light: #4a5568;
    --border-light: rgba(0, 0, 0, 0.08);
    --card-bg-light: #ffffff;
    --card-shadow-light: 0 4px 12px rgba(0, 0, 0, 0.08);

    /* Accents */
    --accent-primary: #ff6600;
    --accent-secondary: #ffcc00;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --code-bg: #1e1e1e;

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-code: 'JetBrains Mono', monospace;

    /* Active Theme Variables (Default to Dark) */
    --bg-body: var(--bg-dark);
    --bg-card: var(--card-bg-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --border-color: var(--border-dark);
    --shadow: var(--card-shadow-dark);
    --nav-glass: rgba(15, 17, 23, 0.8);
    --success: #28a745;
}

body.light-mode {
    --bg-body: var(--bg-light);
    --bg-card: var(--card-bg-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --border-color: var(--border-light);
    --shadow: var(--card-shadow-light);
    --nav-glass: rgba(245, 245, 245, 0.8);
}

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.25;
    margin-bottom: 1rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: all 0.2s ease;
}

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

code {
    font-family: var(--font-code);
    background: var(--code-bg);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
    color: #e6edf3;
}

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

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: var(--font-heading);
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 102, 0, 0.5);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline:hover {
    background: rgba(255, 102, 0, 0.1);
    transform: translateY(-2px);
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

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

/* Form Styles */
.input-field {
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    padding: 10px 15px;
    border-radius: 8px;
    color: var(--text-primary);
    width: 100%;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 700;
}