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

:root {
    --bg: #0a0a0f;
    --bg2: #12121a;
    --text: #e0e0e8;
    --text-muted: #8888a0;
    --accent: #4FC3F7;
    --accent2: #7C4DFF;
    --gold: #D4AF37;
    --card-bg: #16162a;
    --border: #1e1e35;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Lang Toggle */
.lang-toggle {
    position: fixed; top: 20px; right: 20px; z-index: 100;
    display: flex; gap: 4px; background: var(--card-bg); border-radius: 8px; padding: 4px;
    border: 1px solid var(--border);
}
.lang-btn {
    background: none; border: none; color: var(--text-muted); padding: 6px 12px;
    cursor: pointer; border-radius: 6px; font-size: 13px; font-weight: 500;
}
.lang-btn.active { background: var(--accent); color: #000; }

/* Hero */
.hero {
    padding: 120px 0 80px; text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(79,195,247,0.08) 0%, transparent 60%);
}
.badge {
    display: inline-block; padding: 6px 16px; border-radius: 20px;
    background: rgba(79,195,247,0.1); color: var(--accent); font-size: 14px;
    margin-bottom: 24px; border: 1px solid rgba(79,195,247,0.2);
}
h1 {
    font-size: clamp(32px, 5vw, 56px); font-weight: 700; line-height: 1.15;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.subtitle { font-size: 18px; color: var(--text-muted); max-width: 600px; margin: 0 auto 40px; }

.cta-btn {
    display: inline-block; padding: 14px 36px; border-radius: 10px;
    background: var(--accent); color: #000; font-weight: 600; font-size: 16px;
    text-decoration: none; transition: all 0.2s;
}
.cta-btn:hover { background: #3DAEE0; transform: translateY(-1px); }
.cta-btn.secondary { background: var(--card-bg); color: var(--text); border: 1px solid var(--border); }
.cta-btn.secondary:hover { border-color: var(--accent); }

/* Features */
.features { padding: 80px 0; }
.features h2, .pricing h2, .how-it-works h2, .faq h2 { text-align: center; font-size: 36px; margin-bottom: 48px; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.feature-card {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px;
    padding: 32px; transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--accent); }
.feature-icon { font-size: 32px; margin-bottom: 16px; }
.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 15px; }

/* Cases — horizontal carousel */
.cases { padding: 80px 0; }
.cases h2 { text-align: center; font-size: 36px; margin-bottom: 48px; }
.carousel-wrapper { position: relative; }
.carousel-arrow {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
    width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--border);
    background: var(--card-bg); color: var(--accent); font-size: 28px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s, border-color 0.2s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.carousel-arrow:hover { background: var(--accent); color: #000; border-color: var(--accent); }
.carousel-arrow-left { left: -24px; }
.carousel-arrow-right { right: -24px; }
@media (max-width: 600px) {
    .carousel-arrow-left { left: 4px; }
    .carousel-arrow-right { right: 4px; }
    .carousel-arrow { width: 36px; height: 36px; font-size: 22px; }
}
.cases-carousel {
    display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory;
    padding: 8px 0 24px; -webkit-overflow-scrolling: touch;
    scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.cases-carousel::-webkit-scrollbar { height: 6px; }
.cases-carousel::-webkit-scrollbar-track { background: transparent; }
.cases-carousel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.case-card {
    min-width: 320px; max-width: 360px; flex-shrink: 0; scroll-snap-align: start;
    background: var(--card-bg); border: 1px solid var(--border); border-radius: 20px;
    padding: 0; overflow: hidden; transition: border-color 0.3s, transform 0.3s;
}
.case-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.case-visual {
    height: 180px; display: flex; align-items: center; justify-content: center;
    font-size: 72px; position: relative; overflow: hidden;
}
.case-visual::before {
    content: ''; position: absolute; inset: 0; opacity: 0.15;
}
.case-visual.legal { background: linear-gradient(135deg, #1a237e 0%, #283593 100%); }
.case-visual.finance { background: linear-gradient(135deg, #1b5e20 0%, #2e7d32 100%); }
.case-visual.budget { background: linear-gradient(135deg, #e65100 0%, #f57c00 100%); }
.case-visual.smm { background: linear-gradient(135deg, #4a148c 0%, #7b1fa2 100%); }
.case-content { padding: 28px; }
.case-card h3 { font-size: 20px; margin-bottom: 12px; font-weight: 600; }
.case-card p { color: var(--text-muted); font-size: 15px; line-height: 1.7; }
.case-tag {
    display: inline-block; margin-top: 16px; padding: 4px 12px; border-radius: 6px;
    font-size: 12px; font-weight: 500; background: rgba(79,195,247,0.1); color: var(--accent);
}

/* Pricing */
.pricing { padding: 80px 0; background: var(--bg2); }
.pricing-grid {
    display: grid; gap: 20px; max-width: 1100px; margin: 0 auto;
    grid-template-columns: repeat(4, 1fr); align-items: start;
}
.price-card {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px;
    padding: 32px 24px; text-align: center; position: relative;
    display: flex; flex-direction: column;
}
.price-card.featured { border-color: var(--accent); }
.popular-tag {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--accent); color: #000; padding: 4px 16px; border-radius: 12px;
    font-size: 12px; font-weight: 600;
}
.plan-badge {
    display: inline-block; padding: 4px 14px; border-radius: 8px;
    font-size: 13px; font-weight: 600; margin-bottom: 16px;
}
.plan-badge.basic { background: rgba(102,187,106,0.15); color: #66BB6A; }
.plan-badge.pro { background: rgba(79,195,247,0.15); color: var(--accent); }
.plan-badge.premium { background: rgba(171,71,188,0.15); color: #AB47BC; }
.plan-badge.vip { background: rgba(255,215,0,0.15); color: #FFD700; }
.price { font-size: 22px; font-weight: 700; margin-bottom: 20px; line-height: 1.3; }
.price span { font-size: 14px; font-weight: 400; color: var(--text-muted); }
.price-card ul { list-style: none; text-align: left; margin-bottom: 24px; flex-grow: 1; }
.price-card li { padding: 7px 0; color: var(--text-muted); font-size: 13px; border-bottom: 1px solid var(--border); }
.price-card li:before { content: "✓ "; color: var(--accent); }
.price-card .cta-btn { width: 100%; text-align: center; padding: 12px 20px; font-size: 14px; }
.payment-note { text-align: center; color: var(--text-muted); margin-top: 32px; font-size: 14px; }

@media (max-width: 1024px) {
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .pricing-grid { grid-template-columns: 1fr; }
    .case-card { min-width: 280px; }
}

/* FAQ */
.faq { padding: 80px 0; background: var(--bg2); }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
    border-bottom: 1px solid var(--border); overflow: hidden;
}
.faq-question {
    width: 100%; background: none; border: none; color: var(--text);
    font-size: 16px; font-weight: 500; text-align: left; padding: 20px 40px 20px 0;
    cursor: pointer; position: relative; font-family: inherit; line-height: 1.5;
}
.faq-question::after {
    content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
    font-size: 24px; color: var(--accent); transition: transform 0.3s;
}
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer {
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-muted); font-size: 15px; line-height: 1.7; padding: 0;
}
.faq-item.open .faq-answer { max-height: 200px; padding: 0 0 20px; }

/* How it Works */
.how-it-works { padding: 80px 0; }
.steps { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.step { text-align: center; max-width: 250px; }
.step-num {
    width: 48px; height: 48px; border-radius: 50%; background: var(--accent);
    color: #000; font-weight: 700; font-size: 20px; display: flex;
    align-items: center; justify-content: center; margin: 0 auto 16px;
}
.step h3 { font-size: 16px; font-weight: 500; }

/* Footer */
footer { padding: 40px 0; text-align: center; color: var(--text-muted); font-size: 14px; border-top: 1px solid var(--border); }
footer a { color: var(--accent); text-decoration: none; }

@media (max-width: 768px) {
    .steps { flex-direction: column; align-items: center; }
}

/* Login Section */
.login-section { padding: 80px 0; background: var(--bg2); }
.login-section h2 { text-align: center; font-size: 36px; margin-bottom: 16px; }

/* Selected plan */
.price-card.selected { border-color: #66BB6A; box-shadow: 0 0 20px rgba(102,187,106,0.2); }
.price-card.selected .cta-btn, .price-card.selected .cta-btn.secondary { background: #66BB6A; color: #000; border-color: #66BB6A; }

/* Contacts */
.contacts { padding: 60px 0; }
.contacts h2 { text-align: center; font-size: 28px; margin-bottom: 16px; }

/* Billing toggle */
.billing-toggle {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 48px;
    background: rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 6px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}
.billing-btn {
    padding: 18px 48px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: 14px;
    cursor: pointer;
    font-size: 20px;
    font-weight: 600;
    transition: all 0.3s;
    font-family: 'Inter', sans-serif;
}
.billing-btn.active {
    background: var(--accent);
    color: #000;
    box-shadow: 0 4px 20px rgba(79, 195, 247, 0.35);
}
.billing-btn:hover:not(.active) {
    color: #fff;
    background: rgba(255,255,255,0.05);
}
.price small.yearly-note {
    display: block;
    font-size: 13px !important;
    color: var(--text-muted) !important;
    margin-top: 2px;
    font-weight: 400 !important;
    letter-spacing: 0;
}