/* =============================================================
   components.css — кнопки, badge, карточки, pricing, feature
   ============================================================= */

/* --- Buttons --- */
.btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 32px; border-radius: var(--radius-sm);
    font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
    border: none; cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-decoration: none; letter-spacing: 0.01em;
    position: relative; overflow: hidden;
}

.btn::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0; transition: opacity 0.3s;
}
.btn:hover::after { opacity: 1; }

.btn-primary {
    background: var(--color-primary); color: white; box-shadow: var(--shadow-signal);
}
.btn-primary:hover {
    background: var(--color-primary-dark); transform: translateY(-3px);
    box-shadow: var(--shadow-signal-lg); color: white;
}

.btn-accent { background: var(--color-accent); color: white; }
.btn-accent:hover { background: #b45309; transform: translateY(-3px); color: white; }

.btn-outline {
    background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: white; transform: translateY(-3px); }

.btn-lg { padding: 18px 40px; font-size: 1rem; }

/* --- Telegram Badge --- */
.tg-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px; border-radius: 20px;
    font-size: 0.8rem; font-weight: 500;
    background: var(--color-primary-light); color: var(--color-primary);
    letter-spacing: 0.02em; border: 1px solid rgba(0, 136, 204, 0.15);
}

/* --- Features Section (сетка 3 колонки) --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    isolation: isolate;
}

.feature-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.feature-card-top {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 14px;
}

.feature-card-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-full);
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

.feature-card-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
    stroke: var(--color-primary);
}

.feature-card-text {
    flex: 1;
    min-width: 0;
    padding-top: 2px;
}

.feature-card-text h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 400;
    margin-bottom: 3px;
    color: var(--color-text);
    line-height: 1.3;
}

.feature-card-text .feature-card-profit {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
    flex: none;
}

.feature-card-divider {
    height: 1px;
    background: var(--color-border-light);
    margin: auto 0 14px;
}

.feature-card-link {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    align-self: flex-start;
    letter-spacing: 0.01em;
    transition: gap 0.3s;
}

.feature-card-link::after {
    content: '→';
    font-size: 0.9rem;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.feature-card:hover .feature-card-link {
    gap: 8px;
}

.feature-card:hover .feature-card-link::after {
    transform: translateX(4px);
}

/* --- Pricing --- */
.pricing-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 32px; max-width: 820px; margin: 0 auto;
}

.pricing-card {
    background: var(--color-bg-card); border-radius: var(--radius-lg);
    padding: 44px 36px; border: 1px solid var(--color-border);
    transition: all 0.4s ease; position: relative; display: flex; flex-direction: column;
}
.pricing-card:hover { border-color: var(--color-primary-light); box-shadow: var(--shadow-lg); }

.pricing-card.highlighted {
    border-color: var(--color-primary); box-shadow: var(--shadow-signal);
    background: var(--color-bg-elevated); transform: scale(1.02);
}

.pricing-card.highlighted::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.pricing-card-badge {
    position: absolute; top: -10px; right: 24px;
    background: var(--color-accent); color: white;
    padding: 4px 14px; border-radius: 20px;
    font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.8px; font-family: var(--font-body);
}

.pricing-card-name {
    font-family: var(--font-heading); font-size: 1.3rem;
    font-weight: 600; color: var(--color-text); margin-bottom: 6px;
}

.pricing-card-description {
    font-size: 0.88rem; color: var(--color-text-secondary);
    margin-bottom: 24px; line-height: 1.6;
}

.pricing-card-price {
    margin-bottom: 28px; padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border-light);
}

.pricing-card-price-value {
    font-family: var(--font-heading); font-size: 2.8rem;
    font-weight: 700; color: var(--color-text);
    line-height: 1; letter-spacing: -0.03em;
}

.pricing-card-price-period {
    font-size: 0.9rem; color: var(--color-text-secondary); margin-left: 4px;
}

.pricing-card-features {
    display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; flex: 1;
}

.pricing-card-features li {
    display: flex; align-items: center; gap: 10px;
    font-size: 0.88rem; color: var(--color-text-secondary); line-height: 1.5;
}

.pricing-card-features li::before {
    content: ''; display: inline-block; width: 18px; height: 18px;
    background: var(--color-accent-light); border-radius: var(--radius-full);
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23d97706'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-size: 12px; background-position: center; background-repeat: no-repeat;
}

.pricing-card .btn { width: 100%; justify-content: center; }

/* --- Feature Detail Page --- */
.feature-hero {
    padding: 120px 0 60px; position: relative; background: var(--color-bg);
}

.feature-hero::after {
    content: ''; position: absolute; bottom: 0; left: 10%; right: 10%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-signal), transparent); opacity: 0.1;
}

.feature-hero-inner { max-width: 780px; }

.feature-hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px; border-radius: 20px; font-size: 0.85rem;
    font-weight: 500; background: var(--color-primary-light);
    color: var(--color-primary); margin-bottom: 20px;
    border: 1px solid rgba(0, 136, 204, 0.12);
}

.feature-hero h1 {
    font-family: var(--font-heading); font-size: 2.6rem;
    font-weight: 700; margin-bottom: 20px;
    line-height: 1.15; letter-spacing: -0.03em;
}

.feature-hero p {
    font-size: 1.05rem; color: var(--color-text-secondary); line-height: 1.8;
}

.feature-benefits { padding: 80px 0; }
.feature-benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.feature-benefit-item {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 20px 24px; background: var(--color-bg-card);
    border-radius: var(--radius-md); border: 1px solid var(--color-border-light);
    transition: all 0.3s;
}
.feature-benefit-item:hover { border-color: var(--color-primary-light); box-shadow: var(--shadow-sm); }

.feature-benefit-item-icon {
    width: 28px; height: 28px; background: var(--color-primary-light);
    border-radius: var(--radius-full); display: flex; align-items: center;
    justify-content: center; font-size: 0.8rem;
    color: var(--color-primary); flex-shrink: 0; margin-top: 2px;
}

.feature-benefit-item h4 {
    font-family: var(--font-heading); font-size: 1rem;
    font-weight: 400; margin-bottom: 4px; color: var(--color-text);
}

.feature-benefit-item p {
    font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.55;
}

.feature-cta {
    text-align: center; padding: 80px 0;
    background: var(--color-bg-alt); position: relative; overflow: hidden;
}

.feature-cta::before {
    content: ''; position: absolute; top: -50%; left: 50%;
    transform: translateX(-50%); width: 400px; height: 400px;
    background: radial-gradient(circle, var(--color-signal-faded) 0%, transparent 70%);
    pointer-events: none;
}

.feature-cta h2 {
    font-family: var(--font-heading); font-size: 2.2rem;
    font-weight: 700; margin-bottom: 8px; position: relative;
    letter-spacing: -0.03em;
}

.feature-cta p { color: var(--color-text-secondary); margin-bottom: 28px; position: relative; }