:root {
    --white: #ffffff;
    --bg: #fafbfe;
    --bg-glass: rgba(255, 255, 255, 0.6);
    --text: #1a1a2e;
    --text-secondary: #6b7094;
    --text-tertiary: #9ca3be;
    --purple: #8b5cf6;
    --purple-soft: rgba(139, 92, 246, 0.06);
    --pink: #d97ab5;
    --pink-soft: rgba(217, 122, 181, 0.06);
    --green: #10b981;
    --border-glass: rgba(255, 255, 255, 0.45);
    --shadow-glass: 0 4px 24px rgba(139, 92, 246, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    --radius: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ── Diffusion — very subtle ── */
.diffusion-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(130px);
    opacity: 0.15;
    animation: float 30s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(190, 170, 240, 0.35), transparent);
    top: -100px;
    left: -50px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(240, 190, 215, 0.25), transparent);
    top: 300px;
    right: -150px;
    animation-delay: -10s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(170, 220, 200, 0.2), transparent);
    bottom: 200px;
    left: 35%;
    animation-delay: -18s;
}

.orb-4 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(210, 190, 240, 0.18), transparent);
    bottom: -50px;
    right: 25%;
    animation-delay: -5s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(20px, -25px) scale(1.03);
    }

    66% {
        transform: translate(-15px, 15px) scale(0.97);
    }
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

.purple {
    color: var(--purple);
}

.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    box-shadow: var(--shadow-glass);
}

/* ── Nav ── */
nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    padding: 10px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    border-radius: 100px;
}

nav .logo {
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -0.02em;
    color: var(--purple);
}

nav a,
nav .lang-btn {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
}

nav a:hover,
nav .lang-btn:hover {
    color: var(--text);
}

.lang-btn {
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 13px;
}

.lang-btn:hover {
    background: var(--purple-soft);
}

/* ── Hero ── */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 24px 80px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 40px;
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.hero h1 {
    font-size: clamp(2.8rem, 7vw, 4.5rem);
    font-weight: 900;
    line-height: 1.08;
    margin-bottom: 24px;
    letter-spacing: -0.04em;
}

.hero h1 .gradient {
    background: linear-gradient(135deg, #a78bfa 0%, #c4a0e8 50%, #ddb8d0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero .subtitle {
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 48px;
}

.hero-code {
    padding: 16px 28px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 12px;
}

.hero-code:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.08);
}

.hero-code .prompt {
    color: var(--green);
    font-weight: 600;
}

.hero-code .copy-hint {
    color: var(--text-tertiary);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.2s;
}

.hero-code:hover .copy-hint {
    opacity: 1;
}

.hero-code.copied .copy-hint {
    opacity: 1;
    color: var(--green);
}

.hero-hint {
    color: var(--text-tertiary);
    font-size: 13px;
}

/* ── Stats ── */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 0 0 100px;
}

.stat {
    padding: 24px 16px;
    text-align: center;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.stat-value.purple {
    color: #a78bfa;
}

.stat-value.pink {
    color: #d97ab5;
}

.stat-value.green {
    color: var(--green);
}

.stat-value.mint {
    color: #818cf8;
}

.stat-label {
    color: var(--text-tertiary);
    font-size: 11px;
    margin-top: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

/* ── Sections ── */
.section {
    padding: 80px 0;
}

.section-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 48px;
    max-width: 460px;
}

/* ── Comparison ── */
.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.comparison-card {
    padding: 32px;
    border-radius: var(--radius);
}

.comparison-card.before {
    background: rgba(0, 0, 0, 0.015);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.comparison-card.enhanced {
    border: 1px solid rgba(139, 92, 246, 0.12);
}

.comparison-card h3 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 20px;
}

.comparison-card.before h3 {
    color: var(--text-tertiary);
}

.comparison-card.enhanced h3 {
    color: var(--text-secondary);
}

.comparison-card ul {
    list-style: none;
}

.comparison-card li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.comparison-card.enhanced li {
    color: var(--text);
}

.comparison-card li:last-child {
    border-bottom: none;
}

.comparison-card li .icon {
    font-size: 18px;
    flex-shrink: 0;
}

/* ── Steps ── */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.steps.steps-4 {
    grid-template-columns: repeat(4, 1fr);
}

.step {
    padding: 32px 24px;
}

.step-num {
    width: 36px;
    height: 36px;
    background: var(--purple-soft);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    color: var(--purple);
    margin-bottom: 16px;
}

.step h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
    font-weight: 700;
}

.step p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

.step code {
    display: block;
    background: rgba(0, 0, 0, 0.02);
    padding: 12px 14px;
    border-radius: 8px;
    margin-top: 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-secondary);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

/* ── CTA ── */
.cta {
    text-align: center;
    padding: 100px 24px 120px;
}

.cta h2 {
    font-size: clamp(1.8rem, 4.5vw, 2.8rem);
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.cta p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--purple);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.2);
}

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

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

footer {
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    padding: 32px 24px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 13px;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .steps,
    .steps.steps-4 {
        grid-template-columns: 1fr;
    }

    nav {
        padding: 8px 16px;
        gap: 10px;
    }

    nav a {
        font-size: 12px;
    }
}

@media (min-width: 769px) and (max-width: 1100px) {
    .steps.steps-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero>* {
    animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.hero .badge {
    animation-delay: 0.05s;
}

.hero h1 {
    animation-delay: 0.12s;
}

.hero .subtitle {
    animation-delay: 0.2s;
}

.hero .hero-code {
    animation-delay: 0.28s;
}

.hero .hero-hint {
    animation-delay: 0.33s;
}