/* IT-CAFFE: MONOCHROME CORPORATE */

:root {
    /* Palette: Absolute Black & White */
    --bg: #000000;
    --surface: #080808;
    --surface-highlight: #111111;
    
    --text-main: #ffffff;
    --text-muted: #808080;
    
    --accent: #ffffff;
    --border: #222222;
    --glass: rgba(255, 255, 255, 0.02);
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    
    --container: 1440px;
    --radius: 16px;
}

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color 0.2s; }
ul { list-style: none; }
img { max-width: 100%; display: block; filter: grayscale(100%); transition: filter 0.5s; }
img:hover { filter: grayscale(0%); } /* Return color on hover (optional) */

/* --- LAYOUT UTILS --- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text-main);
}

h1 {
    font-size: clamp(3rem, 6vw, 6rem);
    line-height: 1.1;
    /* Metallic Gradient */
    background: linear-gradient(to bottom right, #ffffff 30%, #666666);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }

p { color: var(--text-muted); font-size: 1.1rem; max-width: 60ch; }

/* --- HEADER --- */
.corp-header {
    position: fixed; top: 0; left: 0; width: 100%; height: 80px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

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

.brand-logo {
    display: flex; align-items: center; gap: 12px;
    font-weight: 600; font-size: 1.2rem; letter-spacing: -0.02em;
}
.logo-icon { height: 32px; filter: brightness(100) invert(0); }

.corp-nav { display: flex; gap: 2.5rem; }
.nav-link {
    font-size: 0.9rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em;
}
.nav-link:hover, .nav-link.active { color: var(--text-main); }

.btn-primary-sm {
    background: var(--text-main); color: var(--bg);
    padding: 0.7rem 1.4rem; border-radius: 4px;
    font-weight: 600; font-size: 0.9rem;
    border: 1px solid var(--text-main);
}
.btn-primary-sm:hover { background: transparent; color: var(--text-main); }

/* --- HERO SECTION --- */
.hero {
    padding-top: 200px; padding-bottom: 120px;
    text-align: center;
    position: relative;
}

.hero-label {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 100px;
    background: var(--surface);
    border: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-main);
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-desc {
    max-width: 700px; margin: 30px auto 50px;
    font-size: 1.3rem; font-weight: 300;
}

/* --- BENTO CARDS --- */
.bento-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s;
    display: flex; flex-direction: column; justify-content: space-between;
}

.bento-card:hover {
    border-color: #444;
}

.card-icon {
    width: 50px; height: 50px;
    background: var(--surface-highlight);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 2rem;
    font-size: 1.2rem; color: var(--text-main);
    border: 1px solid var(--border);
}

/* --- BUTTONS --- */
.btn-glass {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 12px 24px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-weight: 500; font-size: 0.9rem;
}
.btn-glass:hover { border-color: var(--text-main); }

/* --- AMBIENT GLOW (Subtle Silver) --- */
.ambient-glow {
    position: fixed; top: -20%; left: 50%; transform: translateX(-50%);
    width: 100vw; height: 800px;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 60%);
    pointer-events: none; z-index: -1;
}

/* --- MOBILE MENU --- */
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 6px; }
.mobile-toggle span { width: 24px; height: 2px; background: white; }
.mobile-menu {
    position: fixed; top: 80px; left: 0; width: 100%; height: 0;
    background: var(--bg); overflow: hidden; transition: height 0.3s;
    z-index: 90; border-bottom: 1px solid var(--border);
}
.mobile-menu.open { height: calc(100vh - 80px); }
.mobile-menu-content { padding: 2rem; display: flex; flex-direction: column; gap: 1.5rem; }
.mobile-menu-content a { font-size: 1.5rem; font-weight: 600; }

/* --- FOOTER --- */
.corp-footer {
    margin-top: 120px;
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
    background: var(--surface);
}
.footer-col h4 { color: var(--text-main); margin-bottom: 1.5rem; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-col a { display: block; color: var(--text-muted); margin-bottom: 0.8rem; font-size: 0.9rem; }
.footer-col a:hover { color: var(--text-main); }

/* --- FORMS --- */
.corp-form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: var(--text-muted); font-size: 0.9rem; }
.form-input {
    width: 100%; padding: 1rem;
    background: var(--surface-highlight);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 4px;
    font-family: var(--font-main);
    outline: none; transition: border-color 0.3s;
}
.form-input:focus { border-color: var(--text-main); }