/* ===== GOOGLE FONTS ===== */
/* Work Sans pro nadpisy, Inter pro tělo textu */

/* ===== CSS VARIABLES ===== */
:root {
    --color-kando: #c41e3a;
    --color-wabi-sabi: #8b7355;
    --color-ikigai: #e67e22;
    --color-ma: #34495e;
    --color-mono-no-aware: #d4a5a5;
    --color-haiku: #2c5f2d;
    --color-text: #2c2c2c;
    --color-text-light: #444;
    --color-text-gray: #555;
    --color-text-muted: #666;
    --color-text-pale: #888;
    --color-border: #d4d4d4;
    --color-bg: #fafafa;
    --color-bg-alt: #f5f5f5;
    --color-bg-card: #ffffff;
    --primary-color: var(--color-kando);
}

/* Nastavení primární barvy pro jednotlivé stránky */
body.kando-page { --primary-color: var(--color-kando); }
body.wabi-sabi-page { --primary-color: var(--color-wabi-sabi); }
body.ikigai-page { --primary-color: var(--color-ikigai); }
body.ma-page { --primary-color: var(--color-ma); }
body.mono-no-aware-page { --primary-color: var(--color-mono-no-aware); }
body.haiku-page { --primary-color: var(--color-haiku); }

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

/* ===== BASE STYLES ===== */
body {
    font-family: 'EB Garamond', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(to bottom, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    color: var(--color-text);
    line-height: 1.8;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 30px;
}

.container-wide {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 30px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Expletus Sans', 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

h1 {
    font-size: 48px;
    font-weight: 300;
    letter-spacing: 8px;
    color: var(--color-text);
    margin-bottom: 10px;
}

h2 {
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 25px;
    color: var(--primary-color);
    letter-spacing: 3px;
    position: relative;
    padding-left: 20px;
}

h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--primary-color);
}

h3 {
    font-size: 20px;
    font-weight: 400;
    margin-top: 35px;
    margin-bottom: 15px;
    color: var(--color-text-gray);
    letter-spacing: 2px;
}

p {
    font-size: 17px;
    margin-bottom: 20px;
    color: var(--color-text-light);
    text-align: justify;
}

/* ===== HEADER ===== */
header {
    text-align: center;
    margin-bottom: 80px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.kanji {
    font-family: 'Work Sans', sans-serif;
    font-size: 120px;
    font-weight: 300;
    color: var(--primary-color);
    margin-bottom: 20px;
    letter-spacing: 20px;
}

.logo {
    font-family: 'Work Sans', sans-serif;
    font-size: 100px;
    font-weight: 300;
    color: var(--color-kando);
    margin-bottom: 20px;
    letter-spacing: 25px;
}

.subtitle, .tagline {
    font-size: 18px;
    color: var(--color-text-muted);
    font-weight: 300;
    letter-spacing: 2px;
    text-align: center;
}

.tagline {
    font-size: 20px;
    letter-spacing: 3px;
    margin-bottom: 60px;
}

/* ===== NAVIGATION ===== */
nav {
    background: var(--color-bg-card);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    margin-bottom: 60px;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    font-family: 'Work Sans', sans-serif;
    font-size: 24px;
    font-weight: 300;
    letter-spacing: 6px;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-text-gray);
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text);
    margin: 3px 0;
    transition: 0.3s;
}

/* ===== SECTIONS ===== */
section {
    margin-bottom: 60px;
}

.intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
    font-size: 18px;
    color: var(--color-text-gray);
    line-height: 2;
}

/* ===== QUOTE ===== */
.quote {
    background: var(--color-bg-card);
    padding: 40px;
    margin: 40px 0;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.quote p {
    font-size: 20px;
    font-style: italic;
    color: var(--color-text-gray);
    text-align: center;
}

/* ===== CARDS ===== */
.principles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.principle-card {
    background: var(--color-bg-card);
    padding: 30px;
    border-radius: 2px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.principle-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.principle-card h3 {
    color: var(--primary-color);
    font-size: 22px;
    font-weight: 400;
    margin: 0 0 15px 0;
    letter-spacing: 2px;
}

.principle-card p {
    font-size: 15px;
    color: var(--color-text-muted);
    text-align: left;
}

/* ===== CONCEPT CARDS (Homepage) ===== */
.concepts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
    align-items: stretch;
}

.concept-card {
    background: var(--color-bg-card);
    padding: 40px;
    border-radius: 2px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    border-top: 4px solid;
    height: 100%;
}

.concept-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 6px 30px rgba(0,0,0,0.12);
}

.concept-card.kando { border-color: var(--color-kando); }
.concept-card.wabi-sabi { border-color: var(--color-wabi-sabi); }
.concept-card.ikigai { border-color: var(--color-ikigai); }
.concept-card.ma { border-color: var(--color-ma); }
.concept-card.mono-no-aware { border-color: var(--color-mono-no-aware); }
.concept-card.haiku { border-color: var(--color-haiku); }

.concept-kanji {
    font-family: 'Work Sans', sans-serif;
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 15px;
    letter-spacing: 8px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.concept-card.kando .concept-kanji { color: var(--color-kando); }
.concept-card.wabi-sabi .concept-kanji { color: var(--color-wabi-sabi); }
.concept-card.ikigai .concept-kanji { color: var(--color-ikigai); }
.concept-card.ma .concept-kanji { color: var(--color-ma); }
.concept-card.mono-no-aware .concept-kanji { color: var(--color-mono-no-aware); }
.concept-card.haiku .concept-kanji { color: var(--color-haiku); }

.concept-title {
    font-family: 'Work Sans', sans-serif;
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 3px;
}

.concept-subtitle {
    font-size: 16px;
    color: var(--color-text-pale);
    margin-bottom: 20px;
    font-weight: 300;
}

.concept-description {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.8;
    flex-grow: 1;
}

/* ===== PRACTICAL CARDS ===== */
.practical-section {
    margin-top: 80px;
}

.practical-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.practical-card {
    background: var(--color-bg-card);
    padding: 35px;
    border-radius: 2px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    text-decoration: none;
    color: inherit;
    display: block;
    border-left: 4px solid var(--color-kando);
    transition: all 0.3s ease;
}

.practical-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.practical-card h3 {
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 12px;
    color: var(--color-kando);
    letter-spacing: 2px;
}

.practical-card p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== PRACTICE CARDS (Jak pěstovat kando) ===== */
.practice-card {
    background: var(--color-bg-card);
    padding: 35px;
    margin-bottom: 30px;
    border-radius: 2px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    border-left: 4px solid var(--primary-color);
}

.practice-card h3 {
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.exercise-number {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    text-align: center;
    line-height: 35px;
    font-weight: 400;
    margin-right: 15px;
    font-size: 18px;
}

.practice-card p {
    font-size: 16px;
    color: var(--color-text-gray);
    text-align: left;
    margin-bottom: 15px;
}

.practice-card ul {
    margin-left: 20px;
    color: var(--color-text-muted);
}

.practice-card li {
    margin-bottom: 10px;
    font-size: 15px;
}

/* ===== EXAMPLE BOXES ===== */
.example-box, .rules-box {
    background: #f8f8f8;
    padding: 25px;
    margin: 20px 0;
    border-left: 3px solid var(--primary-color);
}

.example-box h4, .rules-box h4 {
    color: var(--primary-color);
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.example-box p {
    font-size: 15px;
    color: var(--color-text-gray);
    text-align: left;
    margin-bottom: 10px;
}

.rules-box ul {
    margin-left: 20px;
}

.rules-box li {
    margin-bottom: 10px;
    color: var(--color-text-gray);
    font-size: 15px;
}

/* ===== HAIKU ===== */
.haiku-section {
    text-align: center;
}

.haiku-collection {
    margin: 40px 0;
}

.haiku-box {
    background: var(--color-bg-card);
    padding: 40px;
    margin: 30px auto;
    max-width: 600px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    border-top: 3px solid var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

.haiku-box .haiku-text {
    text-align: center;
    margin-bottom: 20px;
}

.haiku-box .haiku-text p {
    font-size: 20px;
    line-height: 2;
    color: var(--color-text);
    font-weight: 300;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.haiku-box .haiku-author {
    text-align: right;
    font-size: 14px;
    color: var(--color-text-pale);
    font-style: italic;
    margin-top: 20px;
}

/* ===== LISTS ===== */
ul {
    margin-left: 30px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 10px;
    color: var(--color-text-gray);
    font-size: 16px;
}

/* ===== DECORATIVE ELEMENTS ===== */
.circle {
    width: 80px;
    height: 80px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    margin: 40px auto;
}

.circle.large {
    width: 100px;
    height: 100px;
    margin: 60px auto;
}

.empty-space {
    height: 120px;
    margin: 60px 0;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-pale);
    font-size: 14px;
}

footer p {
    color: var(--color-text-pale);
    text-align: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .kanji {
        font-size: 80px;
        letter-spacing: 10px;
    }

    .logo {
        font-size: 70px;
        letter-spacing: 15px;
    }

    h1 {
        font-size: 32px;
        letter-spacing: 4px;
    }

    h2 {
        font-size: 26px;
    }

    .principles,
    .concepts-grid,
    .practical-grid {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg-card);
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        padding: 12px 30px;
        width: 100%;
    }

    .nav-toggle {
        display: flex;
    }
}

/* Specifické úpravy pro Ma stránku */
body.ma-page .kanji {
    font-size: 140px;
}

@media (max-width: 768px) {
    body.ma-page .kanji {
        font-size: 100px;
    }
}

/* Specifické úpravy pro Ikigai stránku */
body.ikigai-page .kanji {
    font-size: 100px;
    letter-spacing: 15px;
}

@media (max-width: 768px) {
    body.ikigai-page .kanji {
        font-size: 70px;
        letter-spacing: 8px;
    }
}

/* Specifické úpravy pro Mono no aware stránku */
body.mono-no-aware-page .kanji {
    font-size: 90px;
    letter-spacing: 15px;
}

@media (max-width: 768px) {
    body.mono-no-aware-page .kanji {
        font-size: 60px;
        letter-spacing: 8px;
    }
}

/* Specifické úpravy pro praktické stránky */
body.practical-page h1 {
    font-size: 42px;
    letter-spacing: 6px;
}