/* 
   Vid Downloader - Main Stylesheet 
   Company: Bitknob Innovation
*/

:root {
    /* Color Palette */
    --primary-color: #6a11cb;
    --secondary-color: #2575fc;
    --accent-color: #00d2ff;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #f1f5f9;
    --text-muted: #64748b;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    --gradient-mesh: radial-gradient(at 0% 0%, hsla(253, 16%, 7%, 1) 0, transparent 50%), radial-gradient(at 50% 0%, hsla(225, 39%, 30%, 1) 0, transparent 50%), radial-gradient(at 100% 0%, hsla(339, 49%, 30%, 1) 0, transparent 50%);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 0;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.text-center {
    text-align: center;
}

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

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 117, 252, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 117, 252, 0.4);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: var(--gradient-accent);
    filter: blur(80px);
    opacity: 0.1;
    border-radius: 50%;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    padding: 30px;
    border-radius: 20px;
    background: var(--light-bg);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--white);
    box-shadow: var(--card-shadow);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* How It Works Section */
.how-it-works {
    padding: var(--section-padding);
    background: #f8fafc;
}

.steps-container {
    margin-top: 60px;
}

.step {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 80px;
}

.step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-image {
    flex: 1;
    height: 400px;
    background: #e2e8f0;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-shadow: var(--card-shadow);
}

.step-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.step-content {
    flex: 1;
}

.step-number {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(37, 117, 252, 0.1);
    color: var(--secondary-color);
    border-radius: 50px;
    font-weight: 700;
    margin-bottom: 15px;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--dark-bg);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.6;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background: var(--white);
    padding: 50px 0 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-links h4 {
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--text-muted);
}

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

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Page Headers (About, Privacy, etc.) */
.page-header {
    padding: 160px 0 60px;
    background: var(--light-bg);
    text-align: center;
}

.content-section {
    padding: 60px 0;
}

/* Legal Content Styles */
.legal-content h3 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-family: 'Outfit', sans-serif;
}

.legal-content p {
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: #4b5563;
}

.legal-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.25rem;
}

.legal-content li {
    margin-bottom: 0.75rem;
    color: #4b5563;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* Add menu toggle logic later if needed */
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .step,
    .step:nth-child(even) {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}