/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Colors */
    --bg-body: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-hover: #334155;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #06b6d4;
    /* Cyan */
    --primary-hover: #0891b2;
    --accent: #8b5cf6;
    /* Violet */
    --danger: #ef4444;
    --success: #22c55e;

    /* Spacing */
    --container-width: 1200px;
    --header-height: 70px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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);
    --glow: 0 0 20px rgba(6, 182, 212, 0.3);
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

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

/* Layout */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 4rem 0;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    background: linear-gradient(to right, #fff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    /* Pill */
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--glow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.5);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--bg-surface-hover);
}

.btn-secondary:hover {
    background-color: var(--bg-surface-hover);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Header */
.header {
    height: var(--header-height);
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(15, 23, 42, 0) 70%);
    z-index: -1;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.hero-image {
    position: relative;
    margin-top: 2rem;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--glow);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--bg-surface);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.2s;
}

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

.feature-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background-color: var(--bg-surface);
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.blog-img {
    height: 200px;
    background-color: var(--bg-surface-hover);
    overflow: hidden;
}

.blog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.blog-card:hover .blog-img img {
    transform: scale(1.05);
}

.blog-content {
    padding: 1.5rem;
}

.blog-date {
    font-size: 0.875rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.blog-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.blog-title:hover {
    color: var(--primary);
}

/* Footer */
.footer {
    background-color: var(--bg-surface);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-col h4 {
    color: var(--text-main);
    margin-bottom: 1.5rem;
}

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

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

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

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Utilities */
.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.text-primary {
    color: var(--primary);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--bg-surface);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        z-index: 999;
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding-top: calc(var(--header-height) + 2rem);
    }

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

    .btn-lg {
        width: 100%;
    }

    .hero-btns {
        flex-direction: column;
    }

    .sticky-dl-mobile {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 1rem;
        background: var(--bg-surface);
        border-top: 1px solid var(--primary);
    }
}

/* Screenshot Wrapper */
.screenshot-wrapper {
    background: var(--bg-surface);
    padding: 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s;
}

.screenshot-wrapper:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.screenshot-wrapper img {
    border-radius: 0.5rem;
    width: 100%;
    height: auto;
    display: block;
}

/* Logo Fix */
.logo img {
    max-height: 50px;
    width: auto;
    object-fit: contain;
}