:root {
    --color-bg: #fafaf9;
    --color-bg-elevated: #ffffff;
    --color-bg-card: #ffffff;
    --color-border: rgba(0, 0, 0, 0.08);
    --color-border-subtle: rgba(0, 0, 0, 0.04);

    --color-text: #1a1a1a;
    --color-text-secondary: #525252;
    --color-text-muted: #a3a3a3;

    --color-accent: #6704f2;
    --color-accent-hover: #5603c9;
    --color-accent-subtle: rgba(103, 4, 242, 0.08);

    --color-nav-bg: rgba(250, 250, 249, 0.9);

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #0a0a0a;
        --color-bg-elevated: #1a1a1a;
        --color-bg-card: #1a1a1a;
        --color-border: rgba(255, 255, 255, 0.1);
        --color-border-subtle: rgba(255, 255, 255, 0.05);

        --color-text: #e5e5e5;
        --color-text-secondary: #a3a3a3;
        --color-text-muted: #737373;

        --color-accent: #8b4eff;
        --color-accent-hover: #7a3eff;
        --color-accent-subtle: rgba(139, 78, 255, 0.12);

        --color-nav-bg: rgba(10, 10, 10, 0.9);
    }

    .hero::before {
        background: radial-gradient(ellipse at 70% 30%, rgba(139, 78, 255, 0.08) 0%, transparent 60%);
    }

    .cta::before {
        background: radial-gradient(ellipse, rgba(139, 78, 255, 0.08) 0%, transparent 70%);
    }

    .btn-primary:hover {
        box-shadow: 0 8px 24px rgba(139, 78, 255, 0.4);
    }

    ::selection {
        background: var(--color-accent);
        color: #ffffff;
    }
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    width: 100%;
    background: var(--color-bg);
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

::selection {
    background: var(--color-accent);
    color: var(--color-text);
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--color-nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    overflow: hidden;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 65px;
    width: auto;
    display: block;
}

.logo-dark {
    display: none;
}

@media (prefers-color-scheme: dark) {
    .logo-light {
        display: none;
    }

    .logo-dark {
        display: block;
    }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s var(--ease-out);
    letter-spacing: 0.01em;
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-cta {
    padding: 0.625rem 1.25rem;
    background: var(--color-accent);
    color: #ffffff !important;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.2s var(--ease-out);
}

.nav-cta:hover {
    background: var(--color-accent-hover) !important;
    color: #ffffff !important;
    transform: translateY(-1px);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--color-accent);
    color: #ffffff;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.25s var(--ease-out);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(103, 4, 242, 0.3);
}

.btn-primary svg {
    transition: transform 0.25s var(--ease-out);
}

.btn-primary:hover svg {
    transform: translateX(3px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: transparent;
    color: var(--color-text);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all 0.25s var(--ease-out);
}

.btn-secondary:hover {
    border-color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    max-width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 70% 30%, rgba(103, 4, 242, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.hero-accent {
    color: var(--color-accent);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: var(--space-lg);
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.hero-proof {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-subtle);
}

.proof-logos {
    display: flex;
    gap: var(--space-sm);
}

.proof-logos img {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.proof-logos img:hover {
    opacity: 1;
}

.proof-text {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.visual-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
}

.card-header {
    display: flex;
    gap: 6px;
    padding: var(--space-sm);
    border-bottom: 1px solid var(--color-border-subtle);
}

.card-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #e5e5e5;
}

.card-content {
    padding: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.8;
}

.code-line {
    display: flex;
    gap: var(--space-sm);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: background 0.2s;
}

.code-line.active {
    background: var(--color-accent-subtle);
    border-left: 2px solid var(--color-accent);
    margin-left: -2px;
}

.line-number {
    color: var(--color-text-muted);
    user-select: none;
    min-width: 1.5rem;
}

.code-text {
    color: var(--color-text-secondary);
}

.code-keyword {
    color: var(--color-accent);
}

.code-prop {
    color: #a8a29e;
}

.card-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border-top: 1px solid var(--color-border-subtle);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.problem {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
    width: 100%;
    overflow: hidden;
}

.problem-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.problem-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.stat {
    padding-left: var(--space-md);
    border-left: 2px solid var(--color-accent);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.demo {
    padding: var(--space-3xl) var(--space-lg);
    width: 100%;
    overflow: hidden;
}

.demo-container {
    max-width: 900px;
    margin: 0 auto;
}

.demo-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.demo-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.demo-visual {
    position: relative;
}

.terminal {
    background: #1e1e1e;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: var(--space-sm) var(--space-md);
    background: #2d2d2d;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #eab308; }
.terminal-dot.green { background: #22c55e; }

.terminal-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #737373;
}

.terminal-body {
    padding: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 2;
}

.terminal-line {
    display: flex;
    gap: 0.75rem;
    opacity: 0;
    animation: fade-in 0.4s var(--ease-out) forwards;
}

.terminal-line:nth-child(1) { animation-delay: 0.1s; }
.terminal-line:nth-child(2) { animation-delay: 0.5s; }
.terminal-line:nth-child(3) { animation-delay: 0.9s; }
.terminal-line:nth-child(4) { animation-delay: 1.2s; }
.terminal-line:nth-child(5) { animation-delay: 1.5s; }
.terminal-line:nth-child(6) { animation-delay: 1.8s; }
.terminal-line:nth-child(7) { animation-delay: 2.2s; }
.terminal-line:nth-child(8) { animation-delay: 2.6s; }

@keyframes fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.terminal-line .prompt {
    color: #818cf8;
    font-weight: 500;
}

.terminal-line .command {
    color: #e5e5e5;
}

.terminal-line .muted {
    color: #737373;
}

.terminal-line .check {
    color: #22c55e;
    font-weight: 600;
}

.terminal-line .bullet {
    color: #737373;
}

.terminal-line.indent {
    padding-left: var(--space-md);
}

.terminal-line.success span:not(.check) {
    color: #a3a3a3;
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: #818cf8;
    margin-left: 0.5rem;
    opacity: 0;
    animation: fade-in 0.4s var(--ease-out) 3s forwards, blink 1s step-end 3.5s infinite;
}

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

.features {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-bg);
    width: 100%;
    overflow: hidden;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
}

.features-header {
    margin-bottom: var(--space-xl);
}

.features-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--space-lg);
    transition: all 0.3s var(--ease-out);
}

.feature-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-subtle);
    border-radius: 8px;
    margin-bottom: var(--space-md);
    color: var(--color-accent);
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.feature-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.control {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border-subtle);
    width: 100%;
    overflow: hidden;
}

.control-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.control-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.control-list {
    list-style: none;
    margin-top: var(--space-lg);
}

.control-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.list-marker {
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.control-visual {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.prompt-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.prompt-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    transition: all 0.25s var(--ease-out);
}

.prompt-card:hover {
    border-color: var(--color-accent);
    transform: translateX(4px);
}

.prompt-prefix {
    color: var(--color-accent);
    font-weight: 600;
}

.prompt-text {
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.setup {
    padding: var(--space-3xl) var(--space-lg);
    width: 100%;
    overflow: hidden;
}

.setup-container {
    max-width: 800px;
    margin: 0 auto;
}

.setup-header {
    margin-bottom: var(--space-xl);
}

.setup-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.setup-steps {
    display: flex;
    flex-direction: column;
}

.setup-step {
    display: flex;
    gap: var(--space-lg);
    padding-bottom: var(--space-xl);
}

.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.step-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.step-line {
    flex: 1;
    width: 1px;
    background: var(--color-border);
    min-height: 40px;
}

.step-content {
    flex: 1;
    padding-top: 0.25rem;
}

.step-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.step-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.step-cta {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s var(--ease-out);
}

.step-cta:hover {
    background: var(--color-accent);
    color: #ffffff;
}

.faq {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border-subtle);
    width: 100%;
    overflow: hidden;
}

.faq-container {
    max-width: 700px;
    margin: 0 auto;
}

.faq-header {
    margin-bottom: var(--space-xl);
}

.faq-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.faq-list {
    display: flex;
    flex-direction: column;
}

.faq-item {
    border-bottom: 1px solid var(--color-border-subtle);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
    transition: color 0.2s;
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-question svg {
    flex-shrink: 0;
    color: var(--color-text-muted);
    transition: transform 0.25s var(--ease-out);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s var(--ease-out), padding 0.3s var(--ease-out);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: var(--space-md);
}

.faq-answer p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.cta {
    padding: var(--space-3xl) var(--space-lg);
    text-align: center;
    position: relative;
    width: 100%;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(103, 4, 242, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.cta-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

.cta-description {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.footer {
    padding: var(--space-lg) var(--space-lg) max(var(--space-lg), env(safe-area-inset-bottom));
    background: var(--color-bg);
    border-top: 1px solid var(--color-border-subtle);
    width: 100%;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-text {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.footer-bracket {
    color: var(--color-accent);
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .visual-card {
        max-width: 100%;
    }

    .problem-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .control-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .nav-links a:not(.nav-cta) {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: calc(80px + var(--space-xl)) var(--space-md) var(--space-xl);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }

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

    .stat-number {
        font-size: 2.5rem;
    }

    .setup-step {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .step-indicator {
        flex-direction: row;
        gap: var(--space-sm);
    }

    .step-line {
        height: 1px;
        width: 40px;
        min-height: auto;
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 1.5rem;
        --space-xl: 2.5rem;
        --space-2xl: 4rem;
        --space-3xl: 6rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .terminal-body {
        padding: var(--space-sm);
        font-size: 0.75rem;
    }
}