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

:root {
    --black: #000000;
    --white: #FFFFFF;
    --red: #CC0000;
    --gray: #808080;
    --light-gray: #CCCCCC;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--white);
    color: var(--black);
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

/* LAYOUT */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    border-bottom: 4px solid var(--black);
}

/* HERO */
.hero {
    background: var(--black);
    color: var(--white);
    padding: 8rem 0 6rem;
    border-bottom: 8px solid var(--black);
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-bottom: 4rem;
}

.hero-icon {
    width: 180px;
    height: 180px;
    border: 4px solid var(--white);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 0.9;
    margin: 0;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 1rem;
    color: var(--red);
}

.cta {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    background: var(--red);
    color: var(--white);
    padding: 1.5rem 3rem;
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    border: 4px solid var(--red);
    transition: all 0.2s;
    letter-spacing: 0.05em;
}

.btn-primary:hover {
    background: var(--white);
    color: var(--red);
}

.btn-large {
    font-size: 2rem;
    padding: 2rem 4rem;
}

.version {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--light-gray);
}

/* TERMINAL */
.terminal-section {
    padding: 6rem 0;
    background: var(--white);
}

.terminal {
    background: var(--black);
    border: 4px solid var(--black);
    font-family: 'Courier New', monospace;
    margin: 0 auto;
}

.terminal-header {
    background: var(--light-gray);
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 4px solid var(--black);
}

.terminal-title {
    font-weight: 700;
    color: var(--black);
}

.terminal-controls {
    display: flex;
    gap: 1rem;
    font-size: 1.5rem;
    color: var(--black);
}

.terminal-controls .close {
    color: var(--red);
    font-weight: 700;
}

.terminal-body {
    padding: 2rem;
    color: var(--white);
    font-size: 1.25rem;
}

.terminal-line {
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
}

.prompt {
    color: var(--red);
    font-weight: 700;
}

.accent {
    color: var(--red);
    font-weight: 700;
}

.blink .accent {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

/* SCREENSHOT */
.screenshot-section {
    padding: 6rem 0;
    background: var(--light-gray);
    text-align: center;
}

.screenshot {
    width: 100%;
    max-width: 1200px;
    border: 8px solid var(--black);
    display: block;
    margin: 0 auto;
}

.caption {
    margin-top: 2rem;
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* FEATURES TABLE */
.features-section {
    padding: 6rem 0;
    background: var(--white);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 3rem;
    border-bottom: 4px solid var(--black);
    padding-bottom: 1rem;
}

.features-table {
    width: 100%;
    border-collapse: collapse;
    border: 4px solid var(--black);
    font-size: 1rem;
}

.features-table thead {
    background: var(--black);
    color: var(--white);
}

.features-table th {
    text-align: left;
    padding: 1.5rem 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-right: 4px solid var(--white);
}

.features-table th:last-child {
    border-right: none;
}

.features-table td {
    padding: 1.5rem 1rem;
    border: 2px solid var(--black);
}

.features-table tbody tr:nth-child(even) {
    background: var(--light-gray);
}

.features-table tbody tr:hover {
    background: var(--red);
    color: var(--white);
}

.status-active {
    display: inline-block;
    background: var(--black);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.875rem;
}

.features-table tbody tr:hover .status-active {
    background: var(--white);
    color: var(--black);
}

/* STATS */
.stats-section {
    padding: 6rem 0;
    background: var(--black);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4px;
}

.stat {
    background: var(--black);
    border: 4px solid var(--white);
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s;
}

.stat:hover {
    background: var(--red);
    transform: scale(1.05);
}

.stat-number {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 1rem;
}

.stat-label {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* USE CASES */
.use-cases-section {
    padding: 6rem 0;
    background: var(--white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 0;
}

.use-case {
    border: 4px solid var(--black);
    padding: 3rem 2rem;
    margin: -2px;
    transition: all 0.3s;
}

.use-case:hover {
    background: var(--black);
    color: var(--white);
    z-index: 10;
    transform: scale(1.02);
}

.use-case-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.use-case-desc {
    font-size: 1.25rem;
    color: var(--gray);
}

.use-case:hover .use-case-desc {
    color: var(--light-gray);
}

/* SPECS */
.specs-section {
    padding: 6rem 0;
    background: var(--light-gray);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.spec-block {
    background: var(--white);
    border: 4px solid var(--black);
    padding: 2rem;
}

.spec-block h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 4px solid var(--black);
}

.spec-block ul {
    list-style: none;
}

.spec-block li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 1.125rem;
}

.spec-block li::before {
    content: "▪";
    position: absolute;
    left: 0;
    color: var(--red);
    font-weight: 700;
}

.spec-block strong {
    color: var(--red);
}

/* MANIFESTO */
.manifesto-section {
    padding: 8rem 0;
    background: var(--black);
    color: var(--white);
}

.manifesto {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.manifesto h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 3rem;
    color: var(--red);
}

.manifesto p {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.manifesto .accent {
    color: var(--red);
    font-size: clamp(2rem, 4vw, 3rem);
}

/* FOOTER */
.footer {
    background: var(--white);
    padding: 6rem 0 3rem;
}

.footer-cta {
    text-align: center;
    margin-bottom: 4rem;
}

.footer-cta h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 2rem;
}

.footer-subtitle {
    margin-top: 1.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--gray);
}

.footer-links {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem 0;
    border-top: 4px solid var(--black);
    border-bottom: 4px solid var(--black);
}

.footer-links a {
    color: var(--black);
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 1.125rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--red);
}

.footer-links span {
    margin: 0 1rem;
    color: var(--gray);
}

.footer-copyright {
    text-align: center;
    color: var(--gray);
}

.footer-copyright p {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-icon {
        width: 120px;
        height: 120px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .specs-grid {
        grid-template-columns: 1fr;
    }

    .terminal-body {
        font-size: 1rem;
    }

    .features-table {
        font-size: 0.875rem;
    }

    .features-table th,
    .features-table td {
        padding: 1rem 0.5rem;
    }
}

/* SELECTION */
::selection {
    background: var(--red);
    color: var(--white);
}

/* LINKS */
a {
    color: inherit;
}

a:hover {
    color: var(--red);
}