:root {
    --bg: #07111f;
    --text: #eff6ff;
    --muted: #a9bdd9;
    --line: rgba(162, 188, 222, 0.18);
    --panel: rgba(15, 28, 49, 0.82);
    --panel-soft: rgba(255, 255, 255, 0.05);
    --accent: #7dd3fc;
    --shadow: 0 22px 70px rgba(3, 10, 25, 0.45);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Manrope', sans-serif;
    color: var(--text);
    background: #07111f;
    top: 0 !important;
    overflow-x: hidden;
}

a { color: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.day-hero,
.day-section {
    width: min(1180px, calc(100% - 40px));
    margin: 36px auto 0;
    border-radius: 28px;
    border: 1px solid var(--line);
    background: var(--panel);
    box-shadow: var(--shadow);
}

.day-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    align-items: stretch;
    padding: 42px;
}

.eyebrow {
    display: inline-flex;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #d7f1ff;
    background: rgba(125, 211, 252, 0.1);
    border: 1px solid rgba(125, 211, 252, 0.16);
}

h1,
h2,
h3 {
    font-family: 'Cormorant Garamond', serif;
    line-height: 1;
}

h1 {
    margin: 22px 0 18px;
    font-size: clamp(3rem, 7vw, 6.6rem);
    max-width: 820px;
}

.lead {
    margin: 0;
    color: var(--muted);
    max-width: 720px;
    font-size: 1.04rem;
}

.day-summary {
    display: grid;
    align-content: center;
    gap: 14px;
    padding: 24px;
    border-radius: 20px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
}

.summary-item strong {
    display: block;
    color: var(--accent);
    font-size: 1.6rem;
    line-height: 1;
}

.summary-item span {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-weight: 700;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 11px 16px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 800;
    border: 1px solid rgba(125, 211, 252, 0.18);
    background: rgba(125, 211, 252, 0.1);
    color: #d7f1ff;
}

.day-section {
    padding: 36px;
}

.section-head {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: end;
    margin-bottom: 24px;
}

.section-head h2 {
    margin: 0;
    font-size: clamp(2.4rem, 5vw, 4.5rem);
}

.section-head p {
    margin: 0;
    color: var(--muted);
    max-width: 480px;
}

.exercise-list {
    display: grid;
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.exercise-list li {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
    align-items: center;
    padding: 18px 20px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: var(--panel-soft);
}

.exercise-photo {
    grid-column: 1 / -1;
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: #020509;
}

.exercise-list strong {
    font-size: 1.02rem;
}

.exercise-list span {
    color: var(--accent);
    font-weight: 800;
}

.notes-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.note-card {
    padding: 20px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
}

.note-card h3 {
    margin: 0 0 10px;
    font-size: 1.8rem;
}

.note-card p {
    margin: 0;
    color: var(--muted);
}

.day-nav {
    width: min(1180px, calc(100% - 40px));
    margin: 28px auto 36px;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
}

.day-nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--muted);
    text-decoration: none;
    font-weight: 800;
    background: rgba(255, 255, 255, 0.03);
}

.day-nav a.active,
.day-nav a:hover {
    color: var(--text);
    border-color: rgba(125, 211, 252, 0.34);
    background: rgba(125, 211, 252, 0.1);
}

@media (max-width: 900px) {
    .day-hero {
        grid-template-columns: 1fr;
    }

    .section-head {
        display: block;
    }

    .section-head p {
        margin-top: 12px;
    }

    .notes-grid {
        grid-template-columns: 1fr;
    }

    .day-nav {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    body .site-header .logo {
        flex: 1 1 auto !important;
        min-width: 0 !important;
        white-space: nowrap !important;
        font-size: 1.65rem !important;
        letter-spacing: 0.08em !important;
    }

    body .site-header .nav-toggle {
        flex: 0 0 auto !important;
    }

    .container,
    .day-hero,
    .day-section,
    .day-nav {
        width: min(100% - 28px, 1180px);
    }

    .day-hero,
    .day-section {
        padding: 28px;
        border-radius: 22px;
    }

    .exercise-list li {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .exercise-photo {
        width: 100%;
    }
}

@media (max-width: 560px) {
    .day-nav {
        grid-template-columns: 1fr;
    }
}