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

:root {
    --bg: #0a0a0a;
    --bg-2: #111;
    --bg-3: #1a1a1a;
    --text: #fff;
    --text-2: #999;
    --accent: #6366f1;
    --accent-2: #a855f7;
    --border: #222;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Nav */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(10,10,10,0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 50px;
}

.logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.nav-cta {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text);
    text-decoration: none;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    padding: 0.4rem 0.875rem;
    border-radius: 0.375rem;
}

/* Hero */
.hero {
    padding: 6rem 0 2rem;
    text-align: center;
}

.hero h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.lead {
    font-size: 1rem;
    color: var(--text-2);
    max-width: 500px;
    margin: 0 auto 1rem;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: var(--text);
}

.btn-large { padding: 0.875rem 2rem; font-size: 1rem; }

.hero-note {
    font-size: 0.8rem;
    color: var(--text-2);
}

/* Sections */
section {
    padding: 1.5rem 0;
}

section:nth-child(even) {
    background: var(--bg-2);
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

/* Services */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.service {
    background: var(--bg-3);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
}

.icon { font-size: 1.5rem; display: block; margin-bottom: 0.75rem; }

.service h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.service p {
    font-size: 0.9375rem;
    color: var(--text-2);
}

/* Tabs */
.tabs {
    max-width: 500px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tab-btn {
    flex: 1;
    padding: 0.6rem 0.5rem;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--text-2);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: var(--text);
    border-color: transparent;
}

.tab-content {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-radius: 0.75rem;
    padding: 1.25rem;
    text-align: center;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.75rem;
}

.tab-panel h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.tab-panel p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.9);
    line-height: 1.5;
}

/* Pricing */
.pricing-cards {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.price-card {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1rem;
    flex: 1;
    min-width: 140px;
    max-width: 200px;
}

.price-card.featured {
    border-color: var(--accent);
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 1rem;
    margin-bottom: 0.5rem;
}

.price-card h3 {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.price {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.price span {
    font-size: 0.75rem;
    color: var(--text-2);
    font-weight: 400;
    margin-left: 0.25rem;
}

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

.price-card li {
    padding: 0.2rem 0;
    color: var(--text-2);
    font-size: 0.8rem;
}

.price-card li::before {
    content: '✓';
    color: var(--accent);
    margin-right: 0.3rem;
}

/* Monthly Pricing */
.monthly-pricing {
    text-align: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.monthly-price {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.monthly-price strong {
    color: var(--accent);
    font-size: 1.25rem;
}

.monthly-note {
    font-size: 0.75rem;
    color: var(--text-2);
}

/* FAQ */
.faq-list {
    max-width: 600px;
    margin: 0 auto;
}

details {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
}

summary {
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-weight: 500;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

summary::after {
    content: '+';
    font-size: 1rem;
    color: var(--text-2);
}

details[open] summary::after {
    content: '−';
}

details p {
    padding: 0 1rem 0.75rem;
    color: var(--text-2);
    font-size: 0.85rem;
}

/* Final CTA */
.final-cta {
    text-align: center;
    padding: 2rem 0;
}

.final-cta h2 {
    margin-bottom: 0.5rem;
}

.final-pricing {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.final-cta p:last-child {
    color: var(--text-2);
    margin-top: 0.75rem;
    font-size: 0.85rem;
}

/* Footer */
.footer {
    background: var(--bg-2);
    padding: 1rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer p {
    color: var(--text-2);
    font-size: 0.8rem;
    margin: 0.1rem 0;
}

.footer strong { color: var(--text); }

/* Services Hint */
.services-hint {
    text-align: center;
    color: var(--text-2);
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

/* Flip Cards */
.flip-card {
    background: transparent;
    height: 260px;
    cursor: pointer;
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.4s;
    transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.flip-card-front {
    background: var(--bg-3);
    border: 1px solid var(--border);
}

.flip-card-back {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    transform: rotateY(180deg);
    border: 1px solid transparent;
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.flip-card-front .icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.flip-card-front h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.flip-card-front p {
    font-size: 0.8rem;
    color: var(--text-2);
    flex-grow: 1;
    line-height: 1.3;
}

.flip-card-back h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    opacity: 0.9;
    flex-shrink: 0;
}

.flip-card-back ul {
    list-style: none;
    flex: 1;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 0;
}

.flip-card-back li {
    font-size: 0.78rem;
    padding: 0.15rem 0;
    padding-left: 0.75rem;
    position: relative;
    line-height: 1.25;
    flex-shrink: 0;
}

.flip-card-back li::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0.7;
}

.tap-hint {
    font-size: 0.7rem;
    opacity: 0.6;
    text-align: center;
    margin-top: auto;
    margin-bottom: 0;
    padding-top: 0.5rem;
    display: block;
    flex-shrink: 0;
    line-height: 1;
}

/* Mobile */
@media (max-width: 640px) {
    .hero { padding: 4rem 0 1.5rem; }
    .btn { width: auto; }
    .service-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .pricing-cards { flex-direction: column; align-items: center; }
    .flip-card { height: 240px; }
    .steps { flex-direction: row; }
    .step { min-width: 100px; }
}