/* Reset & Base */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a2e;
    --text: #e8e8ed;
    --text-dim: #8888a0;
    --accent: #7c5bf5;
    --accent-light: #9d84f7;
    --accent-glow: rgba(124, 91, 245, 0.3);
    --warm: #f5a623;
    --radius: 16px;
    --radius-sm: 10px;
}

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

.section__title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 48px;
    font-weight: 700;
}

/* Hero */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 60px 0;
}

.hero__glow {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero .container { position: relative; z-index: 1; }

.hero__title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero__accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--text-dim);
    max-width: 540px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero__cta {
    display: inline-block;
    padding: 18px 48px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 100px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 8px 32px var(--accent-glow);
}

.hero__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px var(--accent-glow);
}

.hero__note {
    margin-top: 16px;
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Features */
.features {
    padding: 100px 0;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
    transition: background 0.3s, border-color 0.3s;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(124, 91, 245, 0.2);
}

.feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* How it works */
.how-it-works {
    padding: 80px 0;
}

.steps {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.step {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px 32px;
    border: 1px solid rgba(255,255,255,0.06);
    flex: 1;
    min-width: 220px;
    max-width: 280px;
}

.step__number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step__content h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.step__content p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Pricing */
.pricing {
    padding: 100px 0;
}

.pricing__cards {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.pricing-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
    width: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pricing-card--premium {
    border-color: var(--accent);
    position: relative;
    box-shadow: 0 0 40px var(--accent-glow);
}

.pricing-card__badge {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.pricing-card__price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.pricing-card__price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-dim);
}

.pricing-card__features {
    list-style: none;
    margin-bottom: 32px;
    width: 100%;
}

.pricing-card__features li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 0.95rem;
}

.pricing-card__cta {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    color: var(--accent);
    border: 2px solid var(--accent);
    transition: all 0.2s;
}

.pricing-card__cta:hover {
    background: var(--accent);
    color: #fff;
}

.pricing-card__cta--premium {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    border: none;
}

.pricing-card__cta--premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

/* FAQ */
.faq {
    padding: 80px 0;
}

.faq__list {
    max-width: 640px;
    margin: 0 auto;
}

.faq__item {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    border: 1px solid rgba(255,255,255,0.06);
    overflow: hidden;
}

.faq__item summary {
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq__item summary::after {
    content: '+';
    font-size: 1.3rem;
    color: var(--accent);
    transition: transform 0.2s;
}

.faq__item[open] summary::after {
    transform: rotate(45deg);
}

.faq__item p {
    padding: 0 24px 20px;
    color: var(--text-dim);
    line-height: 1.7;
}

/* Final CTA */
.final-cta {
    padding: 100px 0;
    text-align: center;
}

.final-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.final-cta p {
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* Mobile */
@media (max-width: 640px) {
    .hero__title { font-size: 2rem; }
    .hero__subtitle { font-size: 1rem; }
    .hero__cta { padding: 16px 36px; font-size: 1.1rem; }
    .steps { flex-direction: column; align-items: center; }
    .step { max-width: 100%; }
    .pricing__cards { flex-direction: column; align-items: center; }
    .section__title { font-size: 1.6rem; margin-bottom: 32px; }
}