:root {
    --primary: #007bff;
    --primary-glow: rgba(0, 123, 255, 0.5);
    --secondary: #64748b;
    --accent: #06b6d4;
    --accent-glow: rgba(6, 182, 212, 0.5);

    --bg-dark: #020617;
    --bg-card: #0f172a;
    --bg-card-hover: #1e293b;

    --text-main: #f8fafc;
    --text-muted: #94a3b8;

    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);

    --font-stack: 'Inter', system-ui, -apple-system, sans-serif;
    --transition-speed: 0.3s;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) var(--bg-dark);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-stack);
    line-height: 1.6;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 123, 255, 0.08) 0%, transparent 40%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, #fff 30%, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Header */
header {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

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

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.95rem;
    position: relative;
    padding-bottom: 2px;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.4rem;
    border-radius: 8px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 14px -4px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -4px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-muted);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(6, 182, 212, 0.05);
}

/* Hero */
.hero {
    padding: 8rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 123, 255, 0.05) 0%, transparent 60%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    animation: pulse 4s infinite ease-in-out;
}

@keyframes pulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

/* Grid & Cards */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title::after {
    content: '';
    height: 1px;
    background: linear-gradient(to right, var(--border-color), transparent);
    flex-grow: 1;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-speed);
    position: relative;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--glass-border);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
    background: var(--bg-card-hover);
}

.card-img-container {
    height: 220px;
    background: radial-gradient(circle at center, #1e293b, #0f172a);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--secondary);
    position: relative;
}

.card-img-container i {
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.5));
}

.card:hover .card-img-container i {
    transform: scale(1.1);
    color: var(--accent);
    filter: drop-shadow(0 0 20px var(--accent-glow));
}

.card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
}

.badge {
    padding: 0.2rem 0.6rem;
    border-radius: 99px;
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.05);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: auto;
}

.price {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-main);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    background: var(--bg-card);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    font-size: 0.9rem;
}

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

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}