/* lrx.sh - Zen Command-Line Gateway */

:root {
    --bg-light: #F8F3EB;
    --bg-warm: #F5EDE0;
    --bg-paper: #F2EBE0;
    --bg-muted: #EDE5D8;
    --dark-brown: #3D2C1E;
    --orange: #C45D2E;
    --rust: #8B3A1A;
    --font-display: 'Bitter', serif;
    --font-body: 'Work Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-light);
    color: var(--dark-brown);
    font-family: var(--font-body);
    overflow-x: hidden;
}

/* Leather texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.02;
    filter: url(#leather-grain);
    background: var(--bg-light);
}

.leather-filter {
    position: absolute;
    width: 0;
    height: 0;
}

/* Grid lines background */
.grid-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background-image:
        repeating-linear-gradient(
            to right,
            rgba(61, 44, 30, 0.04) 0px,
            rgba(61, 44, 30, 0.04) 1px,
            transparent 1px,
            transparent 64px
        ),
        repeating-linear-gradient(
            to bottom,
            rgba(61, 44, 30, 0.04) 0px,
            rgba(61, 44, 30, 0.04) 1px,
            transparent 1px,
            transparent 64px
        );
}

/* Content column */
.content-column {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* ===================== ZEN SECTIONS ===================== */
.zen-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 0;
}

.zen-section.footer {
    min-height: 40vh;
    align-items: center;
    text-align: center;
}

/* ===================== COMMAND PROMPT (HERO) ===================== */
.prompt-content {
    text-align: center;
}

.wordmark {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(3rem, 10vw, 4.5rem);
    color: var(--dark-brown);
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.3s forwards;
}

.tagline {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    color: var(--orange);
    letter-spacing: 0.02em;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.6s forwards;
}

.cursor-line {
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 1.1rem;
    color: var(--dark-brown);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.9s forwards;
}

.prompt-symbol {
    color: var(--orange);
}

.cursor-bar {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--rust);
    animation: blink 1s step-end infinite;
}

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

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================== SECTION MARKERS ===================== */
.section-marker {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.marker-line {
    display: block;
    width: 40px;
    height: 1px;
    background: var(--orange);
}

.marker-text {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.75rem;
    color: var(--orange);
    letter-spacing: 0.1em;
}

/* ===================== SECTION TITLES ===================== */
.section-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    color: var(--dark-brown);
    letter-spacing: 0.04em;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    line-height: 1.8;
    color: var(--dark-brown);
    opacity: 0.85;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

.section-body.visible {
    opacity: 0.85;
    transform: translateY(0);
}

/* ===================== CODE BLOCKS ===================== */
.code-block {
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 0.85rem;
    line-height: 1.9;
    padding: 1.5rem 2rem;
    background: var(--bg-paper);
    border-left: 3px solid var(--orange);
    margin: 1.5rem 0;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
}

.code-block.visible {
    opacity: 1;
    transform: translateY(0);
}

.code-comment {
    color: var(--rust);
    opacity: 0.6;
}

.code-cmd {
    color: var(--orange);
    font-weight: 500;
}

.code-arg {
    color: var(--dark-brown);
    opacity: 0.7;
}

/* ===================== FEATURE LIST ===================== */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-item {
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(61, 44, 30, 0.08);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.feature-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-cmd {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--orange);
    display: block;
    margin-bottom: 0.5rem;
}

.feature-desc {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--dark-brown);
    opacity: 0.8;
}

/* ===================== INSTALL BLOCK ===================== */
.install-block {
    text-align: center;
    border-left: none;
    border: 2px solid var(--orange);
    background: var(--bg-warm);
}

/* ===================== FOOTER ===================== */
.footer-mark {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.footer-wordmark {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--dark-brown);
    letter-spacing: 0.04em;
}

.footer-domain {
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--orange);
    letter-spacing: 0.1em;
}

.footer-note {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.85rem;
    color: var(--dark-brown);
    opacity: 0.5;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
    .content-column {
        padding: 0 1.5rem;
    }

    .code-block {
        padding: 1rem 1.25rem;
        font-size: 0.8rem;
    }
}