/* ============================================================
   Zephyrus Leaf, Landing Page
   Editorial layout with island nav, photographic hero, glassy screenshot.
   ============================================================ */

.landing {
    /* Local tokens, scoped so docs pages are unaffected */
    --max-wide: 76rem;
    --max-copy: 44rem;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --ease: cubic-bezier(0.32, 0.72, 0, 1);
    --serif: 'Instrument Serif', 'Newsreader', Georgia, 'Times New Roman', serif;
    /* Safety net: no section should ever cause horizontal scroll on mobile. */
    overflow-x: hidden;
}

/* ────────────────────────────────────────────────────────────
   NAV (transparent on top, island pill on scroll)
   ──────────────────────────────────────────────────────────── */
.landing-nav {
    position: fixed;
    inset: 0.9rem 1.25rem auto 1.25rem;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    pointer-events: none; /* allow clicks through empty space between islands */
}

/* Each island is a self-contained segment, position-stable across scroll.
   At rest: fully transparent. On scroll: pill background materializes in place. */
.landing-nav-island {
    pointer-events: auto;
    display: flex;
    align-items: center;
    padding: 0.4rem 0.85rem;
    border: 1px solid transparent;
    border-radius: 9999px;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition:
        background-color 0.4s var(--ease),
        border-color 0.4s var(--ease),
        box-shadow 0.4s var(--ease),
        backdrop-filter 0.4s var(--ease);
}
.landing-nav.scrolled .landing-nav-island {
    background: var(--nav-bg);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-color: var(--border);
    box-shadow: 0 8px 40px -12px rgba(0, 0, 0, 0.25);
}

.landing-nav-island-left {
    gap: 1.25rem;
    padding-right: 1.1rem;
}
.landing-nav-island-right {
    gap: 0.4rem;
    padding-right: 0.4rem;
}

.landing-nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-bright);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}
.landing-nav-logo {
    height: 26px;
    width: auto;
    display: block;
}

.landing-nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}
.landing-nav-links a {
    color: var(--text);
    font-size: 0.84rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.15s ease, opacity 0.15s ease;
    white-space: nowrap;
    opacity: 0.75;
}
.landing-nav-links a:hover {
    opacity: 1;
    color: var(--text-bright);
}

.landing-nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.95rem;
    background: var(--text-bright);
    color: var(--bg-deep);
    font-size: 0.84rem;
    font-weight: 600;
    border-radius: 9999px;
    text-decoration: none;
    transition: all 0.18s ease;
    white-space: nowrap;
}
.landing-nav-cta:hover {
    background: var(--accent);
    color: #fff;
}
.landing-nav-cta svg {
    transition: transform 0.25s var(--ease);
}
.landing-nav-cta:hover svg {
    transform: translate3d(3px, 0, 0);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 9999px;
    color: var(--text);
    background: transparent;
    border: 0;
    cursor: pointer;
    transition: all 0.15s ease;
    opacity: 0.7;
}
.theme-toggle:hover {
    opacity: 1;
    background: var(--bg-elevated);
    color: var(--text-bright);
}

/* ────────────────────────────────────────────────────────────
   HERO (image backdrop, content + screenshot
   float inside the hero. Screenshot has a glassy bezel.
   ──────────────────────────────────────────────────────────── */
.hero {
    position: relative;
    padding: 9rem 1.5rem 6rem;
    overflow: hidden;
    text-align: center;
    isolation: isolate;
}

.hero-image-wrap {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.hero-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 72%;
    object-fit: cover;
    object-position: center 35%;
    transition: opacity 0.6s ease;
}
.hero-img-light { opacity: 1; }
.hero-img-dark { opacity: 0; }
[data-theme="dark"] .hero-img-light { opacity: 0; }
[data-theme="dark"] .hero-img-dark { opacity: 1; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .hero-img-light { opacity: 0; }
    :root:not([data-theme="light"]) .hero-img-dark { opacity: 1; }
}

/* Seamless image-to-bg fade, image at top 72% fades into page bg */
.hero-image-fade {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(to bottom,
            transparent 0%,
            transparent 35%,
            color-mix(in srgb, var(--bg-deep) 55%, transparent) 58%,
            var(--bg-deep) 72%
        );
}

/* Hero content, centered, sits ON the image backdrop */
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 48rem;
    margin: 0 auto;
    padding: 0 1.5rem;
    animation: leafFadeUp 0.7s var(--ease) both;
}
.hero-content::before {
    /* Soft scrim, lifts copy off the busy image without hiding it */
    content: '';
    position: absolute;
    inset: -8rem -25% -6rem;
    z-index: -1;
    background:
        radial-gradient(ellipse 55% 60% at center,
            color-mix(in srgb, var(--bg-deep) 72%, transparent) 0%,
            color-mix(in srgb, var(--bg-deep) 35%, transparent) 45%,
            transparent 75%
        );
    pointer-events: none;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.4rem 0.9rem 0.4rem 0.8rem;
    background: color-mix(in srgb, var(--bg-surface) 70%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid color-mix(in srgb, var(--text-bright) 14%, transparent);
    border-radius: 9999px;
    font-size: 0.74rem;
    font-weight: 500;
    color: var(--text-bright);
    letter-spacing: 0.005em;
    margin-bottom: 1.75rem;
    box-shadow: 0 4px 16px -4px rgba(0, 0, 0, 0.3);
}
.hero-eyebrow strong {
    font-weight: 600;
}
.hero-eyebrow-star {
    color: var(--accent);
    flex-shrink: 0;
    filter: drop-shadow(0 0 6px color-mix(in srgb, var(--accent) 45%, transparent));
}
.hero-eyebrow-divider {
    display: inline-block;
    width: 1px;
    height: 10px;
    background: color-mix(in srgb, var(--text-bright) 20%, transparent);
}

.hero-title {
    font-family: var(--font-body);
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.04em;
    color: var(--text-bright);
    margin: 0 0 1.4rem;
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}
[data-theme="light"] .hero-title {
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.6), 0 2px 20px rgba(255, 255, 255, 0.4);
}
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) .hero-title {
        text-shadow: 0 1px 2px rgba(255, 255, 255, 0.6), 0 2px 20px rgba(255, 255, 255, 0.4);
    }
}
.hero-title-accent {
    font-family: var(--serif);
    font-weight: 400;
    font-style: italic;
    letter-spacing: -0.02em;
    color: var(--accent);
    background: linear-gradient(110deg, var(--accent) 20%, var(--accent-light) 80%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-bright);
    line-height: 1.6;
    margin: 0 auto 2.5rem;
    max-width: 34rem;
    opacity: 0.9;
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.4);
}
[data-theme="light"] .hero-subtitle {
    color: var(--text);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.55);
}
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) .hero-subtitle {
        color: var(--text);
        text-shadow: 0 1px 2px rgba(255, 255, 255, 0.55);
    }
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    flex-wrap: wrap;
}

/* ────────────────────────────────────────────────────────────
   BUTTONS
   ──────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.35rem;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    border-radius: 9999px;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition:
        background-color 0.2s var(--ease),
        border-color 0.2s var(--ease),
        color 0.2s var(--ease),
        box-shadow 0.2s var(--ease);
}
/* Arrow micro-motion, only SVGs tagged .btn-arrow slide on hover */
.btn .btn-arrow {
    transition: transform 0.25s var(--ease);
    will-change: transform;
}
.btn:hover .btn-arrow {
    transform: translate3d(3px, 0, 0);
}

.btn-primary {
    background: var(--text-bright);
    color: var(--bg-deep);
    box-shadow:
        0 1px 0 color-mix(in srgb, var(--text-bright) 90%, white),
        0 10px 30px -10px color-mix(in srgb, var(--text-bright) 60%, transparent);
}
.btn-primary:hover {
    background: var(--accent);
    color: #fff;
    box-shadow:
        0 1px 0 var(--accent-light),
        0 14px 36px -10px color-mix(in srgb, var(--accent) 70%, transparent);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-bright);
    border-color: var(--border);
}
.btn-secondary:hover {
    background: var(--bg-elevated);
    border-color: var(--border-accent);
}

/* Ghost, transparent button for secondary hero action (e.g. GitHub) */
.btn-ghost {
    background: color-mix(in srgb, var(--bg-surface) 55%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-bright);
    border-color: color-mix(in srgb, var(--text-bright) 16%, transparent);
}
.btn-ghost:hover {
    background: color-mix(in srgb, var(--bg-surface) 80%, transparent);
    border-color: color-mix(in srgb, var(--text-bright) 28%, transparent);
    color: var(--text-bright);
}

/* Terminal-styled install copy block, sits below the hero actions */
.hero-install {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.55rem 0.55rem 0.9rem;
    margin: 1.5rem auto 0;
    background: color-mix(in srgb, var(--bg-surface) 80%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid color-mix(in srgb, var(--text-bright) 10%, transparent);
    border-radius: 9999px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text);
    box-shadow: 0 1px 0 color-mix(in srgb, var(--text-bright) 4%, transparent) inset;
    transition: border-color 0.2s var(--ease);
}
.hero-install:hover {
    border-color: var(--border-accent);
}
.hero-install-prompt {
    color: var(--accent);
    font-weight: 600;
    user-select: none;
}
.hero-install code {
    font-family: inherit;
    font-size: inherit;
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
    color: var(--text-bright);
}
.hero-install-copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.9rem;
    height: 1.9rem;
    border-radius: 9999px;
    background: var(--bg-elevated);
    color: var(--text);
    border: 0;
    cursor: pointer;
    transition: all 0.18s ease;
}
.hero-install-copy:hover {
    background: var(--accent);
    color: #fff;
}
.hero-install-copy .icon-check { display: none; }
.hero-install.copied .hero-install-copy {
    background: #22c55e;
    color: #fff;
}
.hero-install.copied .icon-copy { display: none; }
.hero-install.copied .icon-check { display: block; }

/* ────────────────────────────────────────────────────────────
   HERO SCREENSHOT, floats in hero with frosted glass bezel
   ──────────────────────────────────────────────────────────── */
.hero-screenshot-wrap {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 62rem;
    margin: 3.5rem auto 0;
    padding: 0 1.5rem;
    animation: leafFadeUp 0.7s var(--ease) 0.15s both;
}

.hero-screenshot {
    position: relative;
    border-radius: 18px;
    /* Frosted-glass bezel: semi-transparent bg + blur catches the image underneath */
    background: color-mix(in srgb, var(--bg-surface) 28%, transparent);
    backdrop-filter: blur(32px) saturate(160%);
    -webkit-backdrop-filter: blur(32px) saturate(160%);
    padding: 8px;
    box-shadow:
        0 40px 100px -30px rgba(0, 0, 0, 0.55),
        0 20px 60px -20px color-mix(in srgb, var(--accent) 25%, transparent);
    /* Bezel also fades to match the inner image, screenshot melts into the page */
    -webkit-mask-image: linear-gradient(to bottom, #000 60%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 60%, transparent 100%);
}
.hero-screenshot::after {
    /* Soft accent glow emerging from beneath the frame */
    content: '';
    position: absolute;
    inset: -30% 8% auto 8%;
    height: 60%;
    background: radial-gradient(ellipse at center,
        color-mix(in srgb, var(--accent) 22%, transparent),
        transparent 70%
    );
    filter: blur(50px);
    z-index: -1;
    pointer-events: none;
}

.hero-screenshot-inner {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-deep);
    -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 55%, transparent 100%);
}
.hero-screenshot-inner img {
    display: block;
    width: 100%;
    height: auto;
    transition: opacity 0.5s ease;
}
.hero-ss-light { opacity: 1; position: relative; }
.hero-ss-dark { opacity: 0; position: absolute; inset: 0; }
[data-theme="dark"] .hero-ss-light { opacity: 0; position: absolute; inset: 0; }
[data-theme="dark"] .hero-ss-dark { opacity: 1; position: relative; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .hero-ss-light { opacity: 0; position: absolute; inset: 0; }
    :root:not([data-theme="light"]) .hero-ss-dark { opacity: 1; position: relative; }
}

/* ────────────────────────────────────────────────────────────
   SECTIONS, shared primitives
   ──────────────────────────────────────────────────────────── */
.section-container {
    max-width: var(--max-wide);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    max-width: 44rem;
    margin: 0 auto 4rem;
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    padding: 0.3rem 0.7rem;
    background: color-mix(in srgb, var(--accent) 8%, transparent);
    border-radius: 9999px;
}

.section-title {
    font-size: clamp(1.85rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.035em;
    color: var(--text-bright);
    margin: 0 0 1rem;
}
.section-title-muted {
    color: var(--text-muted);
    font-weight: 400;
    font-family: var(--serif);
    font-style: italic;
    letter-spacing: -0.015em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text);
    line-height: 1.65;
    max-width: 36rem;
    margin: 0 auto;
    opacity: 0.8;
}

/* ────────────────────────────────────────────────────────────
   STATS STRIP (metric row)
   ──────────────────────────────────────────────────────────── */
.stats {
    padding: 1rem 0 5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-clip: padding-box;
}

.stat {
    padding: 2rem 1.75rem;
    background: var(--bg-deep);
    transition: background 0.2s ease;
}
.stat:hover {
    background: var(--bg-surface);
}

.stat-value {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1;
    color: var(--text-bright);
    letter-spacing: -0.04em;
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    margin-bottom: 0.6rem;
}
.stat-unit {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent);
    font-family: var(--font-mono);
    letter-spacing: 0.01em;
    text-transform: lowercase;
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text);
    opacity: 0.7;
    line-height: 1.4;
}

/* ────────────────────────────────────────────────────────────
   FEATURES
   ──────────────────────────────────────────────────────────── */
.features {
    padding: 5rem 0 7rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-clip: padding-box;
}

.feature {
    position: relative;
    padding: 2.25rem 2rem 2.5rem;
    background: var(--bg-deep);
    transition: background 0.25s ease;
}
.feature:hover {
    background: var(--bg-surface);
}

.feature-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    margin-bottom: 1.5rem;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-sm);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    color: var(--accent);
    margin-bottom: 1.1rem;
    transition: all 0.25s ease;
}
.feature:hover .feature-icon {
    background: var(--accent);
    color: #fff;
}

.feature-title {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--text-bright);
    margin: 0 0 0.5rem;
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.6;
    margin: 0;
    opacity: 0.78;
}
.feature-desc code,
.feature-desc kbd {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.08rem 0.35rem;
    font-size: 0.82em;
    font-family: var(--font-mono);
    color: var(--text-bright);
}
.feature-desc kbd {
    color: var(--accent);
    font-weight: 500;
}

/* Wide featured card, spans full row, communicates product scope */
.feature-wide {
    grid-column: 1 / -1;
    padding: 2.75rem 2.5rem;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: center;
    background:
        radial-gradient(ellipse 80% 120% at 100% 0%,
            color-mix(in srgb, var(--accent) 10%, transparent),
            transparent 60%
        ),
        var(--bg-deep);
}
.feature-wide:hover {
    background:
        radial-gradient(ellipse 80% 120% at 100% 0%,
            color-mix(in srgb, var(--accent) 14%, transparent),
            transparent 60%
        ),
        var(--bg-surface);
}
.feature-wide-copy .feature-num {
    margin-bottom: 1rem;
}
.feature-wide-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--text-bright);
    margin: 0 0 1rem;
}
.feature-wide-title-muted {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: -0.01em;
}
.feature-wide-desc {
    font-size: 0.975rem;
    color: var(--text);
    line-height: 1.65;
    margin: 0;
    opacity: 0.82;
}
.feature-wide-desc strong {
    color: var(--text-bright);
    font-weight: 600;
}
.feature-wide-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-content: flex-start;
}
.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    background: color-mix(in srgb, var(--bg-surface) 80%, transparent);
    border: 1px solid var(--border);
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.005em;
}
.feature-tag svg {
    color: var(--accent);
    flex-shrink: 0;
}
.feature-tag-default {
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    border-color: var(--border-accent);
    color: var(--text-bright);
}
.feature-tag-default svg {
    color: var(--accent);
}
.feature-tag-meta {
    padding-left: 0.3rem;
    margin-left: 0.3rem;
    border-left: 1px solid color-mix(in srgb, var(--text-bright) 18%, transparent);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 400;
    color: var(--accent);
    letter-spacing: 0.02em;
    text-transform: lowercase;
}

/* ────────────────────────────────────────────────────────────
   SHOWCASE (editorial split)
   ──────────────────────────────────────────────────────────── */
.showcase {
    padding: 5rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%,
            color-mix(in srgb, var(--accent) 6%, transparent),
            transparent 70%
        ),
        var(--bg-surface);
}

.showcase-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 4rem;
    align-items: center;
}
.showcase-grid > * { min-width: 0; }

.showcase-copy .section-eyebrow {
    margin-bottom: 1.25rem;
}
.showcase-title {
    text-align: left;
}
.showcase-lede {
    font-size: 1rem;
    color: var(--text);
    line-height: 1.65;
    margin: 1.25rem 0 2rem;
    opacity: 0.8;
}
.showcase-lede code {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.1rem 0.4rem;
    font-size: 0.82em;
    font-family: var(--font-mono);
    color: var(--text-bright);
}

.showcase-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.showcase-list li {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
}
.showcase-list strong {
    display: block;
    color: var(--text-bright);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 0.15rem;
}
.showcase-list span {
    color: var(--text);
    font-size: 0.88rem;
    line-height: 1.55;
    opacity: 0.75;
}
.showcase-tick {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 50%;
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    color: var(--accent);
    margin-top: 0.12rem;
}

/* Code window (shared) */
.code-window {
    border-radius: var(--radius-md);
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--border-accent) 60%, transparent),
        var(--border) 50%
    );
    padding: 1px;
    box-shadow:
        0 1px 0 color-mix(in srgb, var(--text-bright) 6%, transparent) inset,
        0 20px 50px -20px rgba(0, 0, 0, 0.35);
}
.code-window-chrome {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 0.9rem;
    background: var(--bg-elevated);
    border-radius: calc(var(--radius-md) - 1px) calc(var(--radius-md) - 1px) 0 0;
    border-bottom: 1px solid var(--border);
}
.code-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
}
.code-window-name {
    margin-left: auto;
    margin-right: auto;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.code-window pre {
    margin: 0 !important;
    border: 0 !important;
    border-radius: 0 0 calc(var(--radius-md) - 1px) calc(var(--radius-md) - 1px) !important;
    padding: 1.4rem 1.5rem !important;
    background: var(--bg-deep) !important;
    font-size: 0.84rem !important;
    line-height: 1.65 !important;
    overflow-x: auto;
    max-width: 100%;
}

/* ────────────────────────────────────────────────────────────
   QUICKSTART, vertical timeline (marker rail + content)
   ──────────────────────────────────────────────────────────── */
.quickstart {
    padding: 7rem 0 6rem;
}

.steps {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 44rem;
    display: flex;
    flex-direction: column;
}

.step {
    position: relative;
    display: grid;
    grid-template-columns: 2.5rem minmax(0, 1fr);
    gap: 1.5rem;
    padding-bottom: 2.5rem;
}
.step > * { min-width: 0; }
.step:last-child {
    padding-bottom: 0;
}

.step-rail {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100%;
}

.step-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--bg-deep);
    border: 1px solid var(--border-accent);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    font-family: var(--font-mono);
    flex-shrink: 0;
    box-shadow:
        0 0 0 4px var(--bg-deep),
        0 0 0 5px color-mix(in srgb, var(--accent) 15%, transparent);
}

.step-line {
    flex: 1;
    width: 1px;
    margin-top: 0.6rem;
    margin-bottom: -0.6rem;
    background: linear-gradient(to bottom,
        var(--border-accent) 0%,
        var(--border) 60%,
        transparent 100%
    );
}

.step-body {
    padding-top: 0.25rem;
}

.step-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-bright);
    letter-spacing: -0.015em;
    margin: 0 0 0.4rem;
}
.step-desc {
    font-size: 0.92rem;
    color: var(--text);
    opacity: 0.78;
    line-height: 1.6;
    margin: 0 0 1rem;
}
.step-desc code {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.08rem 0.35rem;
    font-size: 0.82em;
    font-family: var(--font-mono);
    color: var(--text-bright);
}
.step-code {
    margin: 0 !important;
    padding: 0.9rem 1.1rem !important;
    font-size: 0.8rem !important;
    line-height: 1.6 !important;
    border-radius: var(--radius-sm) !important;
    background: var(--bg-surface) !important;
    border: 1px solid var(--border) !important;
    overflow-x: auto;
}

.quickstart-cta {
    text-align: center;
    margin-top: 3.5rem;
}

/* ────────────────────────────────────────────────────────────
   STACK ROW, "standing on the shoulders of"
   ──────────────────────────────────────────────────────────── */
.stack {
    padding: 4rem 0 5rem;
    border-top: 1px solid var(--border);
}
.stack-label {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.73rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin: 0 0 2.25rem;
}
.stack-logos {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 60rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem 3rem;
}
.stack-logos li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text);
    opacity: 0.55;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: -0.005em;
    /* Static, no hover response */
}

/* ────────────────────────────────────────────────────────────
   CTA BAND
   ──────────────────────────────────────────────────────────── */
.cta-band {
    padding: 6rem 0;
}
.cta-inner {
    position: relative;
    padding: 3.5rem;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(ellipse 60% 100% at 0% 100%,
            color-mix(in srgb, var(--accent) 18%, transparent),
            transparent 70%
        ),
        radial-gradient(ellipse 60% 100% at 100% 0%,
            color-mix(in srgb, var(--accent-light) 15%, transparent),
            transparent 70%
        ),
        var(--bg-surface);
    border: 1px solid var(--border);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}
.cta-inner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 48px),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 48px);
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}
[data-theme="light"] .cta-inner::before {
    background-image:
        repeating-linear-gradient(0deg, rgba(0,0,0,0.035) 0 1px, transparent 1px 48px),
        repeating-linear-gradient(90deg, rgba(0,0,0,0.035) 0 1px, transparent 1px 48px);
}
.cta-copy {
    position: relative;
    z-index: 1;
    flex: 1 1 24rem;
}
.cta-title {
    font-size: clamp(1.75rem, 3.2vw, 2.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.035em;
    color: var(--text-bright);
    margin: 0 0 0.6rem;
}
.cta-title-accent {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
    letter-spacing: -0.015em;
}
.cta-subtitle {
    font-size: 1rem;
    color: var(--text);
    opacity: 0.8;
    line-height: 1.55;
    margin: 0;
    max-width: 30rem;
}
.cta-actions {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ────────────────────────────────────────────────────────────
   FOOTER, multi-column editorial
   ──────────────────────────────────────────────────────────── */
.landing-footer {
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--border);
    background: var(--bg-deep);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 3rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.footer-brand-col {
    max-width: 20rem;
}
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--text-bright);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.01em;
    text-decoration: none;
    margin-bottom: 1rem;
}
.footer-brand-logo {
    height: 28px;
    width: auto;
    display: block;
}
.footer-tagline {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text);
    opacity: 0.7;
    margin: 0 0 1.5rem;
    max-width: 16rem;
}
.footer-social {
    display: flex;
    gap: 0.4rem;
}
.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 9999px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.18s var(--ease), color 0.18s var(--ease),
                background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.footer-social a:hover {
    opacity: 1;
    color: var(--text-bright);
    border-color: var(--border-accent);
    background: var(--bg-elevated);
}

.footer-col h4 {
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 1.1rem;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}
.footer-col a {
    color: var(--text);
    font-size: 0.875rem;
    text-decoration: none;
    opacity: 0.75;
    transition: opacity 0.15s ease, color 0.15s ease;
}
.footer-col a:hover {
    opacity: 1;
    color: var(--text-bright);
}

.footer-legal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}
.footer-legal-version {
    padding: 0.25rem 0.6rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 9999px;
    font-size: 0.72rem;
}

/* ────────────────────────────────────────────────────────────
   ANIMATIONS
   ──────────────────────────────────────────────────────────── */
@keyframes leafFadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ────────────────────────────────────────────────────────────
   RESPONSIVE
   ──────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem 2rem;
    }
    .footer-brand-col {
        grid-column: 1 / -1;
    }
    .showcase-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 2.5rem;
    }
    .showcase-title {
        text-align: center;
    }
    .showcase-copy .section-eyebrow { display: inline-block; }
    .showcase-copy {
        text-align: center;
    }
    .showcase-list {
        max-width: 30rem;
        margin: 0 auto;
        text-align: left;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .landing-nav-links { display: none; }
    .landing-nav {
        inset: 0.6rem 0.75rem auto 0.75rem;
    }

    /* Hero: compact backdrop, no content overlap, no clipping */
    .hero {
        padding: 7rem 1rem 4rem;
    }
    .hero-content {
        margin-top: 0;
    }
    .hero-content::before {
        /* Rein in the negative horizontal inset so the scrim can't push past the viewport. */
        inset: -4rem -1rem -3rem;
    }
    .hero-eyebrow {
        font-size: 0.68rem;
        gap: 0.4rem;
        padding: 0.3rem 0.7rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    .hero-subtitle {
        font-size: 0.95rem;
    }

    /* Install block: clamp to viewport and truncate the long command */
    .hero-install {
        display: flex;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        font-size: 0.72rem;
        padding-right: 0.4rem;
    }
    .hero-install code {
        flex: 1 1 auto;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* Screenshot: tighter gutters so the frame doesn't feel cramped */
    .hero-screenshot-wrap {
        margin-top: 2.5rem;
        padding: 0 0.75rem;
    }

    /* Stats strip: hide entirely on mobile — numbers without context read poorly at narrow widths */
    .stats {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
    .feature-wide {
        grid-template-columns: 1fr;
        gap: 1.75rem;
        padding: 2rem 1.75rem;
    }

    .step {
        grid-template-columns: 2rem minmax(0, 1fr);
        gap: 1rem;
    }
    /* Code blocks inside steps must not push the layout wider than the viewport */
    .step-code {
        max-width: 100%;
        overflow-x: auto;
    }

    .cta-band {
        padding: 3rem 0;
    }
    .cta-inner {
        padding: 2.25rem 1.75rem;
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        gap: 1.5rem;
    }
    /* In column mode, the 24rem basis becomes vertical, stretching copy. Reset. */
    .cta-copy { flex: 0 0 auto; }
    .cta-actions { flex: 0 0 auto; width: 100%; flex-direction: column; }
    .cta-actions .btn { width: 100%; justify-content: center; }

    .section-container { padding: 0 1.25rem; }

    .footer-legal {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
}

@media (max-width: 560px) {
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn,
    .hero-install { width: 100%; justify-content: center; }
    .hero-install { justify-content: flex-start; }

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