@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;800;900&display=swap');

:root {
    --bg: #f8fafc;
    --carbon: #111111;
    --accent: #3b82f6;
    --text-dim: #64748b;
    --border: rgba(17, 17, 17, 0.08);
}

body, html {
    margin: 0;
    padding: 0;
    background-color: var(--bg) !important;
    color: var(--carbon) !important;
    font-family: 'JetBrains Mono', monospace !important;
    line-height: 1.6;
    overflow-x: hidden;
}

/* FIREWALL SCANNER ANIMATION */
.byte-visual {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.scan-line {
    position: absolute;
    height: 100%;
    width: 2px;
    background: var(--accent);
    box-shadow: 0 0 20px var(--accent);
    opacity: 0;
    animation: scanner 4s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

.data-fragment {
    position: absolute;
    width: 10px;
    height: 10px;
    border: 1px solid var(--border);
    animation: encrypt 4s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scanner {
    0%   { left: -5%;  opacity: 0; }
    20%  { opacity: 0.6; }
    80%  { opacity: 0.6; }
    100% { left: 105%; opacity: 0; }
}

@keyframes encrypt {
    0%   { background: transparent; border-color: var(--border); }
    50%  { background: var(--accent); border-color: var(--accent); opacity: 0.2; }
    100% { background: transparent; border-color: var(--border); }
}

/* NAVIGATION */
.coverbyte-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 6%;
    border-bottom: 2px solid var(--carbon);
    background: rgba(248, 250, 252, 0.9);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-weight: 900;
    font-size: 1.3rem;
    letter-spacing: -0.5px;
    text-transform: uppercase;
    color: var(--carbon) !important;
}

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

.nav-cta {
    text-decoration: none;
    color: var(--carbon);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 12px 30px;
    border: 2px solid var(--carbon);
    letter-spacing: 1px;
    transition: 0.3s;
}

.nav-cta:hover {
    background: var(--carbon);
    color: var(--bg) !important;
    box-shadow: 10px 10px 0px var(--accent);
}

/* HERO */
.hero {
    padding: 80px 6% 80px 6%;
    max-width: 1100px;
    position: relative;
    z-index: 1;
}

.tag {
    font-size: 0.7rem;
    color: #fff;
    background: var(--carbon);
    padding: 4px 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 25px;
    display: inline-block;
    font-weight: 800;
}

h1 {
    font-size: clamp(3rem, 10vw, 6rem) !important;
    font-weight: 900 !important;
    margin: 0 !important;
    letter-spacing: -4px !important;
    line-height: 0.9 !important;
    text-transform: uppercase !important;
    color: var(--carbon) !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: var(--carbon) !important;
}

.hero-desc {
    margin-top: 40px;
    max-width: 520px;
    color: var(--text-dim);
    font-size: 1.1rem;
    border-left: 4px solid var(--accent);
    padding-left: 25px;
}

/* SECURITY GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1px;
    background: var(--border);
    margin: 40px 6% 80px 6%;
    border: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.node {
    background: #ffffff;
    padding: 60px 45px;
    transition: background 0.4s;
    position: relative;
    overflow: hidden;
}

.node:hover {
    background: #fdfdfd;
}

.node::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--accent);
    opacity: 0.1;
    transition: 0.4s;
}

.node:hover::before {
    height: 100%;
}

.id-num {
    font-size: 0.75rem;
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 25px;
    display: block;
}

h3 {
    font-size: 1.25rem !important;
    font-weight: 800 !important;
    margin-bottom: 15px !important;
    text-transform: uppercase !important;
    color: var(--carbon) !important;
}

p {
    font-size: 0.95rem;
    color: var(--text-dim);
    margin: 0;
}

/* SIGNAL LINE */
.signal-line {
    padding: 20px 6% 80px;
    text-align: center;
    position: relative;
    z-index: 1;
    background: var(--bg);
}

.signal-inner {
    max-width: 600px;
    margin: 0 auto;
}

.signal-status {
    font-size: 0.7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 800;
    opacity: 0.9;
    margin-bottom: 30px;
}

.signal-cta {
    display: inline-block;
    color: var(--carbon);
    background: transparent;
    text-decoration: none;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.75rem;
    padding: 12px 30px;
    border: 2px solid var(--carbon);
    transition: 0.3s;
}

.signal-cta:hover {
    background: var(--carbon);
    color: var(--bg);
    box-shadow: 10px 10px 0px var(--accent);
}

.signal-sub {
    margin-top: 20px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-dim);
}

@media (max-width: 768px) {
    .node { padding: 40px 30px; }
}

@media (max-width: 480px) {
    .node { padding: 28px 20px; }
}

/* FOOTER / SHARED LAYOUT OVERRIDES */
footer, .footer, .site-footer {
    border-top: 1px solid var(--border) !important;
    background: transparent !important;
    color: var(--text-dim) !important;
}

footer a, .footer a, .site-footer a {
    color: var(--text-dim) !important;
}

/* SHARED NAV OVERRIDE */
nav:not(.coverbyte-nav), .navbar, header {
    display: none !important;
}

.coverbyte-nav, main, footer, .site-footer {
    position: relative;
    z-index: 1;
}