:root {
    --bg-color: #050505;
    --text-main: #e5e5e5;
    --text-muted: #737373;
    --border-color: #171717;
    --accent: #ffffff;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
}

.mono { font-family: 'JetBrains Mono', monospace; }

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 2rem 8rem;
}

header {
    margin-bottom: 4rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 3rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

/* Параметры курса */
.meta-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
    margin-bottom: 5rem;
}

.meta-cell {
    background: var(--bg-color);
    padding: 1.5rem;
}

.meta-cell .k {
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #444;
    margin-bottom: 0.6rem;
}

.meta-cell .v {
    font-size: 0.95rem;
    color: var(--accent);
    font-weight: 500;
}

/* Дни */
.day {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 3rem;
    margin-bottom: 4.5rem;
}

.day-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    position: sticky;
    top: 6rem;
    height: fit-content;
}

.day h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: -0.02em;
    margin-bottom: 1.75rem;
}

.day ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.day li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 1rem;
    line-height: 1.6;
    color: #a3a3a3;
    font-weight: 300;
}

.day li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: #333;
}

.sub-list {
    margin-top: 0.9rem;
    padding-left: 0.5rem;
    border-left: 1px solid var(--border-color);
}

.sub-list li {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.sub-list li::before {
    content: "·";
    font-size: 1.2rem;
    line-height: 1.2;
}

.practice {
    margin-top: 1.75rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    padding: 1.25rem 1.5rem;
}

.practice .k {
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #555;
    margin-bottom: 0.5rem;
}

.practice .v {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-main);
    font-weight: 300;
}

/* CTA */
.cta {
    margin-top: 6rem;
    border: 1px solid var(--border-color);
    background: #0a0a0a;
    padding: 3rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2.5rem;
    align-items: center;
}

.cta h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.cta p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #a3a3a3;
    font-weight: 300;
}

.cta-price {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 1.25rem;
    text-align: right;
}

.cta-btn {
    display: block;
    text-align: center;
    padding: 0.9rem 2rem;
    background: var(--accent);
    color: #050505;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: background 0.3s ease;
}

.cta-btn:hover { background: #d4d4d4; }

footer {
    margin-top: 8rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

@media (max-width: 850px) {
    .content-wrapper { padding: 2rem 1.5rem 4rem; }
    h1 { font-size: 2.5rem; }
    .meta-grid { grid-template-columns: repeat(2, 1fr); }
    .day { grid-template-columns: 1fr; gap: 1rem; }
    .day-label { position: static; margin-bottom: 0.5rem; }
    .cta { grid-template-columns: 1fr; padding: 2rem; }
    .cta-price { text-align: left; }
}

::selection {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.reveal {
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-ready .reveal {
    opacity: 0;
    transform: translateY(24px);
}

.reveal-ready .reveal.visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal-ready .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}