:root {
    --ht-bg: #121417;
    --ht-text-main: #F0F4F8;
    --ht-text-muted: #8B949E;
    --ht-accent: #84C8A6;
    --ht-border: rgba(255, 255, 255, 0.1);
    
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-editorial: 'Newsreader', serif;
    --font-display: 'League Gothic', sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

html {
    scroll-behavior: smooth;
    background-color: var(--ht-bg);
}

body {
    font-family: var(--font-ui);
    color: var(--ht-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

p {
    font-family: var(--font-mono);
}

*:focus-visible {
    outline: 2px solid var(--ht-accent);
    outline-offset: 4px;
    border-radius: 4px;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-xl { margin-top: 8rem; }
.border-top { border-top: 1px solid var(--ht-border); padding-top: 4rem; }

.project-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 5%;
    background-color: rgba(18, 20, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ht-border);
    transition: all 0.3s ease;
}

.project-nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--ht-text-muted);
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease, transform 0.2s ease;
}

.back-link:hover {
    color: var(--ht-text-main);
    transform: translateX(-4px);
}

.project-nav-title {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    color: var(--ht-text-muted);
}

.section-hero {
    padding: 10rem 5% 6rem 5%;
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-layout {
    max-width: 1000px;
}

.hero-header-row {
    margin-bottom: 2rem;
}

.hero-top-accent {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.presents-logo {
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--ht-text-main);
}

.hero-badge {
    font-family: var(--font-editorial);
    font-size: 1.4rem;
    color: var(--ht-text-muted);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(6rem, 15vw, 13rem);
    font-weight: 400;
    letter-spacing: 0.02em;
    line-height: 0.8;
    color: var(--ht-text-main);
    text-transform: uppercase;
}

.hero-content-row {
    max-width: 750px;
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 400;
    line-height: 1.6;
    color: var(--ht-text-muted);
    margin-bottom: 3.5rem;
}

.hero-cta {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.btn {
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-ui);
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background-color: var(--ht-accent);
    color: var(--ht-bg);
    border: 1px solid var(--ht-accent);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--ht-accent);
}

.btn-secondary {
    background-color: transparent;
    color: var(--ht-text-main);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    border-color: var(--ht-text-main);
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-large {
    padding: 1.2rem 2.8rem;
    font-size: 1.05rem;
}

.section-showcase {
    padding: 4rem 5%;
    max-width: 1500px;
    margin: 0 auto;
    overflow: hidden;
}

.showcase-container {
    display: flex;
    align-items: center;
    gap: 2rem;
    width: 100%;
}

.showcase-left {
    flex-direction: row;
}

.showcase-right {
    flex-direction: row;
}

.showcase-typography {
    flex: 0 0 35%;
    z-index: 10;
}

.align-right {
    text-align: right;
}

.display-text {
    font-family: var(--font-display);
    font-size: clamp(5rem, 11vw, 11rem);
    font-weight: 400;
    line-height: 0.85;
    text-transform: uppercase;
    color: var(--ht-text-main);
    letter-spacing: 0.02em;
}

.showcase-image-wrapper {
    flex: 1;
    position: relative;
    z-index: 5;
}

.showcase-container.showcase-left .showcase-image-wrapper {
    margin-left: -8%;
}

.showcase-container.showcase-right .showcase-image-wrapper {
    margin-right: -8%;
}

.terminal-screenshot {
    width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
}

.section-details {
    padding: 6rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.content-wrapper {
    width: 100%;
}

.editorial-header {
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ht-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.features-grid, .modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 4rem;
}

.feature-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border-top: 1px solid var(--ht-border);
    padding-top: 1.5rem;
}

.feature-number {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--ht-accent);
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feature-card h3 {
    font-family: var(--font-ui);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--ht-text-main);
    margin-bottom: 0.8rem;
}

.feature-card p {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--ht-text-muted);
    line-height: 1.6;
}

.split-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
}

.editorial-text {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--ht-text-muted);
    line-height: 1.7;
}

.stack-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.stack-pill {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--ht-accent);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--ht-border);
    background-color: transparent;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.installation-box {
    max-width: 800px;
}

.os-toggle-container {
    margin-bottom: 1.5rem;
}

.os-toggle {
    display: inline-flex;
    background-color: transparent;
    padding: 0.35rem;
    border-radius: 999px;
    border: 1px solid var(--ht-border);
}

.os-btn {
    background: transparent;
    border: none;
    color: var(--ht-text-muted);
    padding: 0.6rem 1.4rem;
    border-radius: 999px;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.os-btn.active {
    background-color: var(--ht-text-main);
    color: var(--ht-bg);
}

.code-block-wrapper {
    position: relative;
    margin-bottom: 2rem;
}

.code-block {
    background-color: transparent;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--ht-border);
    overflow-x: auto;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--ht-text-main);
    line-height: 1.6;
}

.inline-code {
    display: inline-block;
    padding: 0.8rem 1.2rem;
    margin-bottom: 0;
}

.copy-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: 1px solid var(--ht-border);
    color: var(--ht-text-muted);
    width: 36px;
    height: 36px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    color: var(--ht-text-main);
    border-color: var(--ht-text-main);
}

.project-note {
    max-width: 800px;
}

.note-title {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ht-text-main);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.section-final-cta {
    padding: 8rem 5% 10rem 5%;
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-pill {
    margin-bottom: 2rem;
}

.final-text {
    margin-bottom: 3rem;
}

.project-footer {
    padding: 2rem 5% 4rem 5%;
    text-align: center;
    border-top: 1px solid var(--ht-border);
}

.footer-content p {
    font-size: 0.9rem;
    color: var(--ht-text-muted);
    font-family: var(--font-mono);
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 900px) {
    .section-hero {
        padding: 8rem 5% 4rem 5%;
    }
    
    .showcase-container {
        flex-direction: column;
        gap: 3rem;
    }
    
    .showcase-container.showcase-left,
    .showcase-container.showcase-right {
        flex-direction: column;
    }
    
    .showcase-container.showcase-left .showcase-image-wrapper,
    .showcase-container.showcase-right .showcase-image-wrapper {
        margin-left: 0;
        margin-right: 0;
        width: 100%;
    }
    
    .showcase-typography.align-right {
        text-align: left;
    }
    
    .display-text {
        font-size: clamp(4.5rem, 18vw, 7rem);
    }
    
    .split-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .section-details {
        padding: 4rem 5%;
    }
    
    .mt-xl {
        margin-top: 4rem;
    }

    .features-grid, .modes-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}