:root {
    --bg: #fbfaf7;
    --surface: #ffffff;
    --surface-subtle: #f6f4ee;
    --border: rgba(24, 26, 36, 0.08);
    --border-strong: rgba(24, 26, 36, 0.16);
    --ink: #171822;
    --muted: #606475;
    --muted-light: #8b90a2;
    
    /* Accents */
    --gold: #c28827;
    --gold-light: #deb05b;
    --gold-soft: rgba(194, 136, 39, 0.12);
    --gold-glow: rgba(194, 136, 39, 0.22);
    
    --plum: #6e3f65;
    --plum-soft: rgba(110, 63, 101, 0.12);
    
    --teal: #0c8268;
    --teal-soft: rgba(12, 130, 104, 0.12);
    
    --indigo: #395796;
    --indigo-soft: rgba(57, 87, 150, 0.12);
    
    --coral: #cc3c30;
    --coral-soft: rgba(204, 60, 48, 0.12);
    
    --green: #2a823b;
    --green-soft: rgba(42, 130, 59, 0.12);
    
    --key: #f4f2eb;
    --key-hover: #eae6db;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius: 18px;
    --radius-lg: 24px;
    --radius-pill: 9999px;
    
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', 'Work Sans', system-ui, -apple-system, sans-serif;
    --container: 820px;
    
    --shadow-subtle: 0 4px 16px -4px rgba(23, 24, 34, 0.04);
    --shadow-md: 0 14px 32px -12px rgba(23, 24, 34, 0.08);
    --shadow-lg: 0 24px 50px -18px rgba(23, 24, 34, 0.12);
}

*, *::before, *::after {
    box-sizing: border-box;
}

/* Wymuszenie paska przewijania zapobiega poziomemu layout shift przy pojawianiu się komunikatów o różnej wysokości */
html {
    -webkit-text-size-adjust: 100%;
    overflow-y: scroll;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--gold);
    text-decoration: none;
    transition: color 0.18s cubic-bezier(0.16, 1, 0.3, 1), transform 0.18s ease;
}

a:hover {
    color: var(--ink);
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.015em;
    line-height: 1.22;
    margin: 0 0 0.5em;
    color: var(--ink);
}

h1 { font-size: clamp(2.2rem, 5.5vw, 3.2rem); font-weight: 600; }
h2 { font-size: clamp(1.45rem, 3.2vw, 2rem); }
h3 { font-size: 1.28rem; }

p {
    margin: 0 0 1.2em;
}

::selection {
    background: var(--gold-soft);
    color: var(--ink);
}

a:focus-visible,
button:focus-visible,
select:focus-visible,
input:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.staff {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 120px;
    margin: 22px auto;
    padding: 0;
}

.staff li {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold) 50%, transparent);
    opacity: 0.45;
}

.site-header {
    background: #14151c;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.site-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    padding: 12px 0;
}

.brand {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: #fdfbf7;
}

.brand-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fdfbf7;
    transition: color 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.brand-dot {
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px var(--gold);
}

.brand:hover .brand-title {
    color: var(--gold-light);
}

.brand small {
    display: block;
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(253, 251, 247, 0.55);
    margin-top: 1px;
}

.site-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
}

.site-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 7px 13px;
    border-radius: var(--radius-pill);
    color: rgba(253, 251, 247, 0.78);
    font-size: 0.88rem;
    font-weight: 500;
    transition: all 0.15s ease;
}

.site-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.site-nav a[aria-current="page"] {
    background: rgba(194, 136, 39, 0.2);
    color: #fefcf8;
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(194, 136, 39, 0.4);
}

.site-nav a[aria-current="page"]::after {
    display: none;
}

.nav-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    padding: 7px 14px;
    font-family: inherit;
    font-size: 0.86rem;
    font-weight: 500;
    color: #fdfbf7;
    cursor: pointer;
    transition: background 0.15s ease;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
}

@media (max-width: 760px) {
    .nav-toggle {
        display: inline-block;
    }
    .site-nav {
        width: 100%;
    }
    .site-nav ul {
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding-top: 8px;
        padding-bottom: 8px;
    }
    .site-nav.is-open ul {
        display: flex;
    }
    .site-nav a {
        display: block;
        padding: 10px 14px;
    }
}

/* -------------------------------------------------------------
   HERO & NAGŁÓWEK STRONY GŁÓWNEJ
------------------------------------------------------------- */
.hero {
    text-align: center;
    padding: 60px 0 20px;
    position: relative;
}

.hero .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--gold);
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--gold-soft);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    box-shadow: 0 0 0 1px rgba(194, 136, 39, 0.22);
}

.hero .eyebrow-pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
    animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
    0%, 100% { opacity: 0.4; transform: scale(0.9); }
    50% { opacity: 1; transform: scale(1.35); }
}

.hero h1 {
    margin-bottom: 0.45em;
}

.hero p.lead {
    max-width: 580px;
    margin: 0 auto;
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Wizualna fala audio w hero */
.hero-waveform {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 28px;
    margin: 28px auto 0;
    max-width: 320px;
}

.hero-waveform span {
    width: 3px;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--gold-light), var(--gold));
    opacity: 0.7;
    animation: waveBar 1.8s ease-in-out infinite alternate;
}

.hero-waveform span:nth-child(1)  { height: 8px; animation-delay: 0.1s; }
.hero-waveform span:nth-child(2)  { height: 14px; animation-delay: 0.25s; }
.hero-waveform span:nth-child(3)  { height: 22px; animation-delay: 0.4s; }
.hero-waveform span:nth-child(4)  { height: 16px; animation-delay: 0.15s; }
.hero-waveform span:nth-child(5)  { height: 26px; animation-delay: 0.5s; }
.hero-waveform span:nth-child(6)  { height: 12px; animation-delay: 0.3s; }
.hero-waveform span:nth-child(7)  { height: 28px; animation-delay: 0.6s; }
.hero-waveform span:nth-child(8)  { height: 18px; animation-delay: 0.2s; }
.hero-waveform span:nth-child(9)  { height: 24px; animation-delay: 0.45s; }
.hero-waveform span:nth-child(10) { height: 10px; animation-delay: 0.35s; }
.hero-waveform span:nth-child(11) { height: 6px; animation-delay: 0.1s; }

@keyframes waveBar {
    0% { transform: scaleY(0.4); opacity: 0.35; }
    100% { transform: scaleY(1); opacity: 0.85; }
}

/* -------------------------------------------------------------
   KARTY ĆWICZEŃ (EXERCISE GRID)
------------------------------------------------------------- */
.exercise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin: 40px 0 60px;
}

.exercise-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 22px 22px;
    color: var(--ink);
    box-shadow: var(--shadow-subtle);
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s ease, border-color 0.22s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.exercise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    transition: background 0.2s ease;
}

.exercise-card:hover,
.exercise-card:focus-visible {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    color: var(--ink);
    border-color: rgba(24, 26, 36, 0.14);
}

/* Akcenty kolorystyczne kart */
.exercise-card.accent-gold::before   { background: var(--gold); }
.exercise-card.accent-plum::before   { background: var(--plum); }
.exercise-card.accent-teal::before   { background: var(--teal); }
.exercise-card.accent-indigo::before { background: var(--indigo); }
.exercise-card.accent-coral::before  { background: var(--coral); }
.exercise-card.accent-green::before  { background: var(--green); }

.exercise-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 16px;
}

.exercise-card .icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.exercise-card:hover .icon-wrapper {
    transform: scale(1.06);
}

.exercise-card.accent-gold .icon-wrapper   { background: var(--gold-soft); color: var(--gold); }
.exercise-card.accent-plum .icon-wrapper   { background: var(--plum-soft); color: var(--plum); }
.exercise-card.accent-teal .icon-wrapper   { background: var(--teal-soft); color: var(--teal); }
.exercise-card.accent-indigo .icon-wrapper { background: var(--indigo-soft); color: var(--indigo); }
.exercise-card.accent-coral .icon-wrapper  { background: var(--coral-soft); color: var(--coral); }
.exercise-card.accent-green .icon-wrapper  { background: var(--green-soft); color: var(--green); }

.exercise-card .icon-wrapper svg {
    width: 24px;
    height: 24px;
    display: block;
}

.card-badge {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    background: var(--surface-subtle);
    color: var(--muted);
    letter-spacing: 0.02em;
    border: 1px solid var(--border);
}

.exercise-card h3 {
    font-size: 1.15rem;
    margin: 0 0 6px;
    line-height: 1.3;
    font-weight: 600;
}

.exercise-card p {
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0 0 16px;
    flex-grow: 1;
}

.exercise-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding-top: 12px;
    border-top: 1px solid rgba(24, 26, 36, 0.05);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ink);
}

.exercise-card-footer .arrow {
    transition: transform 0.18s ease;
    color: var(--gold);
}

.exercise-card:hover .exercise-card-footer .arrow {
    transform: translateX(4px);
}

/* -------------------------------------------------------------
   SEKCJA ROZGRZEWKI / ZAPROSZENIA DO ĆWICZEŃ (DAILY BANNER)
------------------------------------------------------------- */
.daily-warmup-banner {
    background: linear-gradient(135deg, #181924 0%, #252837 100%);
    border-radius: var(--radius-lg);
    padding: 32px 36px;
    color: #fdfbf7;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 56px;
    box-shadow: 0 16px 40px -16px rgba(24, 25, 36, 0.28);
    position: relative;
    overflow: hidden;
}

.daily-warmup-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(194, 136, 39, 0.25) 0%, transparent 70%);
    pointer-events: none;
}

.daily-warmup-content h3 {
    color: #fdfbf7;
    font-size: 1.35rem;
    margin: 0 0 8px;
}

.daily-warmup-content p {
    color: rgba(253, 251, 247, 0.75);
    font-size: 0.92rem;
    margin: 0;
    max-width: 480px;
}

.daily-warmup-action .btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gold);
    color: #1a1608;
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 8px 20px -6px rgba(194, 136, 39, 0.6);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    white-space: nowrap;
}

.daily-warmup-action .btn-cta:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 12px 26px -6px rgba(194, 136, 39, 0.8);
    color: #1a1608;
}

/* -------------------------------------------------------------
   STRONA STATYCZNA / O PROJEKCIE
------------------------------------------------------------- */
.page-content {
    padding: 44px 0 72px;
}

.page-content .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-subtle);
    padding: 40px 36px;
}

.page-content .card > :last-child {
    margin-bottom: 0;
}

.page-content .card .plain-list {
    margin: 0 0 1.4em;
    padding-left: 1.2em;
}

.page-content .card .plain-list li {
    margin-bottom: 0.6em;
    line-height: 1.6;
}

.page-content .card .plain-list li::marker {
    color: var(--gold);
}

.exercise-page {
    padding: 38px 0 72px;
}

/* -------------------------------------------------------------
   STOPKA (FOOTER)
------------------------------------------------------------- */
.site-footer {
    padding: 32px 0 28px;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.84rem;
    color: var(--muted);
    background: var(--bg);
}

.site-footer a {
    color: var(--muted);
    font-weight: 500;
}

.site-footer a:hover {
    color: var(--gold);
}

.site-footer small {
    display: inline-block;
    margin-top: 6px;
    font-size: 0.86em;
    color: var(--muted-light);
}

/* -------------------------------------------------------------
   RESPONSYWNOŚĆ (MEDIA QUERIES)
------------------------------------------------------------- */
@media (max-width: 860px) {
    .exercise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }
    .hero {
        padding: 36px 0 12px;
    }
    .hero h1 {
        font-size: 2.1rem;
    }
    .hero p.lead {
        font-size: 0.98rem;
    }
    .exercise-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin: 24px 0 40px;
    }
    .exercise-card {
        padding: 18px 16px;
    }
    .daily-warmup-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 20px;
        gap: 18px;
        margin-bottom: 36px;
    }
    .daily-warmup-action {
        width: 100%;
    }
    .daily-warmup-action .btn-cta {
        width: 100%;
        justify-content: center;
    }
    .page-content {
        padding: 24px 0 40px;
    }
    .page-content .card {
        padding: 24px 18px;
    }
    .exercise-page {
        padding: 20px 0 40px;
    }
}