/* Neo-brutalism Design System for TatliDev Ltd */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
    --bg-color: #e0e7ff; /* Light Indigo */
    --primary-color: #4f46e5; /* Indigo */
    --secondary-color: #fbbf24; /* Amber */
    --accent-color: #ef4444; /* Red */
    --text-color: #111827;
    --border-color: #000000;
    --card-bg: #ffffff;
    
    --border-width: 3px;
    --shadow-offset: 4px;
    --radius: 0px; /* Sharp edges for brutalism */
}

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

body {
    font-family: 'Space Mono', monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1rem;
    color: var(--text-color);
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* Header */
header {
    background-color: var(--card-bg);
    border-bottom: var(--border-width) solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    background-color: var(--text-color);
    color: var(--card-bg);
    padding: 5px 10px;
    transform: rotate(-2deg);
    border: 2px solid var(--border-color);
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
}

.nav-links a {
    font-weight: 700;
    padding: 5px 10px;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.nav-links a:hover {
    background-color: var(--secondary-color);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-color);
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 12px 24px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-color);
    transition: transform 0.1s, box-shadow 0.1s;
    cursor: pointer;
    text-transform: uppercase;
}

.btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: calc(var(--shadow-offset) + 2px) calc(var(--shadow-offset) + 2px) 0 var(--border-color);
}

.btn:active {
    transform: translate(2px, 2px);
    box-shadow: 0 0 0 var(--border-color);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-color);
}

/* Sections */
section {
    padding: 60px 0;
}

.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: #fff;
    border-bottom: var(--border-width) solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.1;
    pointer-events: none;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
    text-shadow: 4px 4px 0 var(--secondary-color);
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 30px;
}

/* Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-color);
    padding: 30px;
    transition: transform 0.2s;
}

.card:hover {
    transform: translate(-2px, -2px);
    box-shadow: calc(var(--shadow-offset) + 2px) calc(var(--shadow-offset) + 2px) 0 var(--border-color);
}

.card h3 {
    font-size: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

/* Footer */
footer {
    background-color: var(--text-color);
    color: #fff;
    padding: 40px 0;
    border-top: var(--border-width) solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-links h4 {
    color: var(--secondary-color);
}

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

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

.footer-links a:hover {
    text-decoration: underline;
    color: var(--secondary-color);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-weight: 700;
    margin-bottom: 5px;
    font-family: 'Space Grotesk', sans-serif;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 12px;
    border: var(--border-width) solid var(--border-color);
    background-color: #fff;
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 rgba(0,0,0,0.1);
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--primary-color);
}

/* Utility */
.bg-yellow { background-color: var(--secondary-color); }
.bg-red { background-color: var(--accent-color); }
.text-center { text-align: center; }
.mb-2 { margin-bottom: 2rem; }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; } 
    .mobile-menu-btn { display: block !important; }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        border-bottom: var(--border-width) solid var(--border-color);
        padding: 20px;
    }
}