/* style.css */
:root {
    --bg-color: #eef2f5;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --accent: #6c5ce7;
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: 1px solid rgba(255, 255, 255, 0.5);
    --shadow-light: 0 8px 32px 0 rgba(31, 38, 135, 0.10);
    --shadow-deep: 20px 20px 60px #d1d9e6, -20px -20px 60px #ffffff;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --radius: 24px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    /* Soft mesh gradient background */
    background-image: 
        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%);
    background-size: 100% 100vh;
    background-repeat: no-repeat;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    font-weight: 700;
}

h1 { font-size: 3.5rem; line-height: 1.1; }
h2 { font-size: 2.5rem; }
p { color: var(--text-secondary); margin-bottom: 1.5rem; }

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { width: 100%; height: auto; display: block; border-radius: var(--radius); }

/* --- Spatial UI Components --- */

/* Glass Card */
.spatial-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-light);
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.spatial-card:hover {
    transform: translateY(-10px) scale(1.01);
    box-shadow: 0 15px 40px rgba(31, 38, 135, 0.15);
}

/* Neumorphic/Spatial Button */
.btn {
    display: inline-block;
    padding: 15px 35px;
    background: linear-gradient(145deg, #ffffff, #e6e6e6);
    color: var(--text-primary);
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 5px 5px 10px #d1d9e6, -5px -5px 10px #ffffff;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn:active {
    box-shadow: inset 5px 5px 10px #d1d9e6, inset -5px -5px 10px #ffffff;
}

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

header {
    position: sticky;
    top: 20px;
    z-index: 1000;
    margin-bottom: 40px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    font-family: var(--font-heading);
}

.nav-links { display: flex; gap: 30px; }
.nav-links a { font-weight: 500; position: relative; }
.nav-links a.active::after {
    content: ''; position: absolute; bottom: -5px; left: 0; width: 100%; height: 2px; background: var(--text-primary);
}

.hamburger { display: none; cursor: pointer; font-size: 1.5rem; }

main { flex: 1; }

.section { padding: 60px 0; }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* --- Forms --- */
.form-group { margin-bottom: 20px; }
label { display: block; margin-bottom: 8px; font-weight: 600; }
input, textarea, select {
    width: 100%;
    padding: 15px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.8);
    background: rgba(255,255,255,0.5);
    box-shadow: inset 2px 2px 5px #d1d9e6, inset -2px -2px 5px #ffffff;
    font-family: inherit;
    outline: none;
}
input:focus, textarea:focus { border-color: var(--accent); }

/* --- Footer --- */
footer {
    margin-top: 80px;
    padding: 40px 0;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255,255,255,0.3);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-col h4 { margin-bottom: 15px; }
.contact-item { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.icon { width: 20px; height: 20px; }

/* --- Responsive --- */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    
    .nav-links {
        position: absolute;
        top: 80px;
        left: 20px;
        right: 20px;
        background: rgba(255, 255, 255, 0.95);
        flex-direction: column;
        padding: 20px;
        border-radius: var(--radius);
        box-shadow: var(--shadow-deep);
        display: none;
    }
    
    .nav-links.active { display: flex; }
    .hamburger { display: block; }
    .grid-2 { grid-template-columns: 1fr; }
    
    .footer-content { flex-direction: column; text-align: center; }
    .contact-item { justify-content: center; }
}