:root {
    /* Base Colors */
    --bg: #0c0e12;
    --bg-soft: #111417;
    --panel: rgba(23, 26, 30, 0.88);
    --panel-strong: #161b22;
    --panel-alt: #0a0d12;
    --border: rgba(115, 117, 122, 0.18);
    --border-strong: rgba(115, 117, 122, 0.28);
    --text: #f8f9fe;
    --text-muted: #a9abb0;
    --text-dim: #6a737d;

    /* Brand Colors (RGB components for rgba transparency use) */
    --primary-rgb: 164, 255, 185;
    --secondary-rgb: 172, 137, 255;
    --tertiary-rgb: 109, 221, 255;

    --primary: rgb(var(--primary-rgb));
    --primary-strong: #00fd87;
    --secondary: rgb(var(--secondary-rgb));
    --tertiary: rgb(var(--tertiary-rgb));
    --danger: #ff716c;
    --warning: #d29922;
    --success: #3fb950;

    /* Terminal Colors */
    --term-bg: #252834;
    --term-border: #4b5263;
    --term-cyan: #56b6c2;
    --term-green: #98c379;
    --term-purple: #c678dd;
    --term-yellow: #e5c07b;
    --term-pink: #e06c75;
    --term-dim: #7f848e;
    --term-text: #abb2bf;

    /* Layout metrics */
    --radius-sm: 0.75rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --shadow-lg: 0 20px 70px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 28px rgba(var(--primary-rgb), 0.12);
    --header-height: 4.75rem;
    --section-py: 40px; /* Unified section spacing */

    --vp-min: 23.4375; /* 375px in rem */
    --vp-max: 80; /* 1280px in rem */

    /* Animation variables */
    --ease-out-soft: cubic-bezier(0.22, 1, 0.36, 1);
    --trans-base: 0.25s ease;
    --trans-transform: 0.35s var(--ease-out-soft);
    --transition-all:
        transform var(--trans-transform), opacity var(--trans-transform), background-color var(--trans-base),
        border-color var(--trans-base), box-shadow var(--trans-base), color var(--trans-base),
        filter var(--trans-transform);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow: hidden;
    font-size: 16px;
}

body {
    margin: 0;
    min-width: 320px;
    font-family: sans-serif;
    color: var(--text);
    background: var(--bg);
    height: 100vh;
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
}

pre,
code,
.terminal-body,
.rich-panel-body {
    font-family: monospace;
}

/* Base Shell Wrappers */
.site-shell {
    position: relative;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    perspective: 1px;
    perspective-origin: center;
    scroll-behavior: smooth;
    transform-style: preserve-3d;
}

.glow-bg,
.grid-bg {
    pointer-events: none;
    position: fixed;
    inset: 0;
}

.glow-bg {
    background:
        radial-gradient(circle at 20% 20%, rgba(var(--primary-rgb), 0.08), transparent 32%),
        radial-gradient(circle at 80% 14%, rgba(var(--tertiary-rgb), 0.05), transparent 28%),
        radial-gradient(circle at 50% 80%, rgba(var(--secondary-rgb), 0.06), transparent 34%);
    z-index: -2;
}

.grid-bg {
    background-image: radial-gradient(circle, rgba(115, 117, 122, 0.14) 1px, transparent 1px);
    background-size: 34px 34px;
    opacity: 0.16;
    z-index: -1;
}

.container {
    width: 100%;
    margin: 0 auto;

    min-width: 290px;
}

.section-heading {
    margin-bottom: 2.5rem;
}

.section-heading h2 {
    margin: 0 0 32px 0;
    font-size: clamp(2rem, calc(1.5rem + 2vw), 2.8rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.section-heading p {
    margin: 0;
    color: var(--text-muted);
    font-size: 1.125rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(14px);
    background: rgba(12, 14, 18, 0.78);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-inner {
    min-height: var(--header-height);
    display: grid;
    grid-template-columns: auto auto;
    align-items: center;
    gap: 1rem;
    justify-items: flex-start;
    padding: 12px;
    line-height: 1.6;
}

.logo {
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-image {
    display: inline-flex;
    width: 30px;
    height: 30px;
    margin-right: 12px;
}

.nav-toggle {
    justify-self: end;
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0.875rem;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.26rem;
    padding: 0 0.7rem;
    color: var(--text);
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
}

.site-nav {
    grid-column: 1 / -1;
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.5rem 0 0;
    transform-origin: top;
}

.site-nav.is-open {
    display: flex;
}

.site-nav a:not(.btn-solid) {
    color: rgba(248, 249, 254, 0.74);
}

.btn-solid {
    color: #05210f;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 60px;
    padding: 0.85rem 1.2rem;
    border-radius: 0.95rem;
    font-weight: 700;
    transition:
        transform 0.18s ease,
        border-color 0.18s ease,
        background-color 0.18s ease,
        box-shadow 0.18s ease;
}

.btn:hover {
    transform: translateY(-1px);
}
.btn:active {
    transform: translateY(0);
}

.btn-small {
    padding: 10px 22px;
    font-size: 0.9rem;
}

.btn-solid {
    color: #05210f;
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    border: 1px solid var(--border-strong);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text);
}

main {
    transform-style: preserve-3d;
}

/* Hero */
.hero {
    position: relative;
    min-height: calc(100dvh - var(--header-height));
    display: flex;
    align-items: center;
    transform-style: preserve-3d;
    padding: 0 12px;
}

.hero-media {
    position: absolute;
    inset: 0;
    overflow: hidden;
    transform: translateZ(-1px) scale(2);
    transform-origin: center;
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 640px;
    text-align: center;
    margin-bottom: 2rem;
}

.hero-kicker {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--primary);
    font-family: sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.hero h1 {
    margin: clamp(1.8rem, calc(1.5rem + 2.2vw), 2.7rem) 0;
    font-size: clamp(2.5rem, calc(1.9rem + 2.2vw), 3.5rem);
    line-height: 0.95;
}

.hero p {
    max-width: 80%;
    margin: 32px auto 0;
    font-size: 1rem;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    margin-top: 3.8rem;
    justify-content: center;
}

/* Terminal */
.demo {
    padding: 0 12px;
    margin-top: 120px;
}

.terminal-container {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(180deg, rgba(22, 27, 34, 0.92), rgba(10, 13, 18, 0.96));
    box-shadow: var(--shadow-lg);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    background: rgba(255, 255, 255, 0.02);
}

.dot {
    width: 0.72rem;
    height: 0.72rem;
    border-radius: 50%;
}
.red {
    background: var(--danger);
}
.yellow {
    background: var(--warning);
}
.green {
    background: var(--primary-strong);
}

.terminal-title {
    margin-left: auto;
    color: #7d8590;
    font-size: 0.78rem;
}

.terminal-body {
    padding: 24px;
    font-size: 0.84rem;
    overflow: auto;
    max-height: 540px;
    background: var(--term-bg);
    color: var(--term-text);
}

.terminal-body::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
.terminal-body::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}
.terminal-body::-webkit-scrollbar-thumb {
    background: var(--term-border);
    border-radius: 4px;
}

.line,
.output,
.rich-panel,
.rich-separator {
    min-width: 640px;
}

.line {
    color: var(--text);
}
.cmd,
.prompt {
    color: var(--success);
}

/* Rich Panel (Settings/Code blocks) */
.rich-panel {
    margin-top: 1.5rem;
    border: 1px solid var(--term-border);
    border-radius: 4px;
    background: transparent;
    position: relative;
    padding-top: 12px;
}

.rich-panel-title {
    position: absolute;
    top: -0.65rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--term-bg);
    padding: 0 10px;
    font-size: 0.8rem;
    z-index: 10;
}

.panel-settings .rich-panel-title {
    color: var(--term-cyan);
}
.panel-create .rich-panel-title {
    color: var(--term-green);
}

.rich-panel-body {
    padding: 16px;
    color: var(--term-text);
}

.rich-separator {
    margin-top: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--term-yellow);
    font-weight: bold;
}

.rich-separator::after {
    content: '';
    flex-grow: 1;
    height: 1px;
    background: var(--term-border);
}

.syntax-line {
    display: flex;
    gap: 0;
    white-space: pre-wrap;
    margin-bottom: 2px;
}

.line-num {
    color: var(--term-border);
    min-width: 1.5rem;
    text-align: right;
    margin-right: 0.75rem;
    user-select: none;
}

/* Universal Terminal Colors */
.color-cyan {
    color: var(--term-cyan);
}
.color-green {
    color: var(--term-green);
}
.color-purple {
    color: var(--term-purple);
}
.color-yellow {
    color: var(--term-yellow);
}
.color-dim {
    color: var(--term-dim);
}
.color-light {
    color: var(--term-text);
}
.color-pink {
    color: var(--term-pink);
}

/* Features Section */

.features {
    margin: 120px 0;
    padding: 0 12px;
}

.features-grid {
    display: grid;
    gap: 1rem;
}

.feature-card {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: rgba(23, 26, 30, 0.72);
    backdrop-filter: blur(12px);
    overflow: hidden;
    position: relative;
    transition:
        transform 0.18s ease,
        border-color 0.18s ease,
        background-color 0.18s ease;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(var(--primary-rgb), 0.08),
        transparent 40%,
        transparent 60%,
        rgba(var(--tertiary-rgb), 0.05)
    );
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-2px);
    border-color: rgba(var(--primary-rgb), 0.2);
    background: rgba(28, 32, 37, 0.92);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-wrap {
    width: 3.2rem;
    height: 3.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    border-radius: 1rem;
    background: rgba(var(--primary-rgb), 0.1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    color: var(--primary);
}

.feature-card:nth-child(2n) .feature-icon-wrap {
    background: rgba(var(--secondary-rgb), 0.1);
}
.feature-card:nth-child(2n) .feature-icon {
    color: var(--secondary);
}

.feature-card:nth-child(3n) .feature-icon-wrap {
    background: rgba(var(--tertiary-rgb), 0.1);
}
.feature-card:nth-child(3n) .feature-icon {
    color: var(--tertiary);
}

.feature-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.18rem;
}

.feature-card p {
    margin: 0;
    color: var(--text-muted);
}

/* Install Section */
.install-section {
    margin: 120px 0 0;
}

.comment {
    color: var(--text-dim);
    justify-content: flex-start;
}

.install-card {
    position: relative;
    width: 100%;
    padding: 64px 16px;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    background: #1c1d21;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.install-bg-icon {
    position: absolute;
    right: 0;
    top: 0%;
    transform: translateY(20%) translateX(10%);
    width: 35%;
    height: 35%;
    color: #2c2e33;
    pointer-events: none;
    z-index: 0;
}

.install-content {
    position: relative;
    z-index: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.install-content h2 {
    margin: 0 0 32px 0;
    font-size: 2.8rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text);
}

.install-subtitle {
    margin: 0 0 72px 0;
    font-size: 1.125rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.install-cmd-wrap {
    position: relative;
    background: #0d0f12;
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 6px;
    padding: 12px;
    min-width: 320px;
    margin-bottom: 1.5rem;
}

.code-line {
    display: flex;
    margin-bottom: 12px;
}

.install-cmd-wrap pre {
    margin: 0;
    font-family: monospace;
    font-size: 0.85rem;
    color: #e2e4e9;
    display: flex;
    flex-direction: column;
    align-items: start;
}

.install-cmd-wrap .prompt {
    color: var(--primary-strong);
    user-select: none;
}

.install-cmd-wrap .copy-button {
    position: absolute;
    right: 12px;
    top: 12px;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--primary-strong);
    box-shadow: none;
    transition: background-color 0.2s ease;
}

.install-cmd-wrap .copy-button:hover {
    background: rgba(0, 253, 135, 0.1);
    border-color: transparent;
    transform: none;
}

.install-cmd-wrap .copy-button.is-copied {
    color: #0d0f12;
    background: var(--primary-strong);
}

.install-cmd-wrap .copy-button .material-symbols-outlined {
    font-size: 1.25rem;
}

.install-footer {
    margin: 0;
    font-family: monospace;
    font-size: 0.85rem;
    color: #55585e;
}

/* Footer */
.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(5, 7, 10, 0.94);
    padding: 0 12px;
}

.footer-inner {
    padding: 24px 0;
    text-align: center;
    color: var(--text-muted);
}

/* Desktop Styles */
@media (min-width: 640px) {
    :root {
        --section-py: 56px;
    }

    html {
        font-size: 18px;
    }

    .install-cmd-wrap {
        min-width: 480px;
        align-items: start;
        padding: 18px;
    }

    .container {
        max-width: 580px;
    }

    .nav-toggle {
        display: none;
    }

    .site-nav {
        grid-column: auto;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 1.5rem;
        padding: 0;
        justify-self: self-end;
        display: none;
    }
    .site-nav a {
        padding: 8px 24px;
    }

    .hero p {
        max-width: 80%;
        margin: 32px auto 0;
        font-size: 1.125rem;
        color: var(--text-muted);
    }

    .hero-actions {
        flex-direction: row;
        align-items: center;
    }
    .terminal-body {
        padding: 16px;
        font-size: 0.9rem;
    }
    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .install-card {
        padding: 112px 12px;
    }

    .install-cmd-wrap {
        min-width: 360px;
    }
}

@media (min-width: 960px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 1200px) {
    :root {
        --section-py: 80px;
    }

    html {
        font-size: 20px;
    }

    .container {
        max-width: 1200px;
    }

    .features-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .install-cmd-wrap {
        min-width: 640px;
    }
    .site-nav {
        display: flex;
    }
}

.motion-safe .glow-bg {
    animation: floatGlow 12s ease-in-out infinite;
}

.nav-toggle,
.site-nav a,
.header-link,
.logo,
.dot,
.copy-button,
.feature-icon-wrap,
.feature-icon,
.terminal-container,
.rich-panel,
.rich-separator,
.hero-media img,
.hero-kicker,
.hero h1,
.hero p,
.hero-actions {
    transition: var(--transition-all);
}

.logo:hover {
    color: var(--primary);
    text-shadow: 0 0 22px rgba(var(--primary-rgb), 0.18);
}

.site-nav a {
    position: relative;
}
.site-nav a::after,
.header-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.25rem;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.28s var(--ease-out-soft);
}
.site-nav a:hover {
    color: var(--text);
}
.site-nav a:hover:not(.btn-solid)::after {
    transform: scaleX(1);
}

.btn-solid:hover {
    box-shadow:
        0 0 0 0.35rem rgba(var(--primary-rgb), 0.08),
        0 14px 36px rgba(0, 0, 0, 0.28);
}
.btn-outline:hover {
    border-color: rgba(var(--primary-rgb), 0.3);
    background: rgba(255, 255, 255, 0.04);
}

.terminal-container:hover {
    border-color: rgba(var(--primary-rgb), 0.22);
    box-shadow:
        0 24px 84px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(var(--primary-rgb), 0.06);
}

.reveal,
.reveal-card,
.reveal-section {
    opacity: 0;
    transform: translateY(1.5rem);
    transition:
        opacity 0.5s var(--ease-out-soft),
        transform 0.5s var(--ease-out-soft);
}

.reveal.is-visible,
.reveal-section.is-visible,
.reveal-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 {
    transition-delay: 0.08s;
}
.reveal-delay-2 {
    transition-delay: 0.16s;
}
.reveal-delay-3 {
    transition-delay: 0.24s;
}

.reveal-card {
    transition:
        transform 0.45s var(--ease-out-soft),
        opacity 0.45s var(--ease-out-soft),
        border-color 0.25s ease,
        background-color 0.25s ease,
        box-shadow 0.25s ease;
}
.reveal-card:nth-child(2) {
    transition-delay: 0.05s;
}
.reveal-card:nth-child(3) {
    transition-delay: 0.1s;
}
.reveal-card:nth-child(4) {
    transition-delay: 0.15s;
}
.reveal-card:nth-child(5) {
    transition-delay: 0.2s;
}
.reveal-card:nth-child(6) {
    transition-delay: 0.25s;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}
.feature-card:hover .feature-icon-wrap {
    transform: translateY(-2px) scale(1.08);
    box-shadow: 0 0 0 0.35rem rgba(var(--primary-rgb), 0.05);
}
.feature-card:hover .feature-icon {
    transform: scale(1.08);
}

/* Animations */
@keyframes floatGlow {
    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    50% {
        transform: translate3d(0, -1.5%, 0) scale(1.04);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        animation: none !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
    }
    .reveal,
    .reveal-card,
    .reveal-section {
        opacity: 1 !important;
        transform: none !important;
    }
}