/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --gold: #F5A623;
    --sienna: #A0522D;
    --black: #1A1A1A;
    --ivory: #FAFAF7;
    --white: #FFFFFF;
    --gray: #666666;
    --light-gray: #E5E5E5;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--black);
    background-color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background-color: var(--black);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    width: auto;    /* Šířka se přizpůsobí poměrově */
    height: 80px;   /* Zde si nastavte požadovanou výšku */
}

.logo-text {
    color: var(--gold);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--ivory) 0%, var(--white) 100%);
    padding: 80px 0;
    text-align: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.video-wrapper {
    max-width: 800px;
    margin: 0 auto 40px;
    aspect-ratio: 16 / 9;
    background-color: var(--black);
    overflow: hidden;
}

.video-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--black);
    color: var(--ivory);
    padding: 40px;
}

.video-placeholder p {
    font-size: 18px;
    margin-bottom: 8px;
}

.video-note {
    font-size: 14px;
    color: var(--gray);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background-color: var(--gold);
    color: var(--black);
}

.btn-primary:hover {
    background-color: var(--sienna);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 20px 48px;
    font-size: 18px;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-alt {
    background-color: var(--ivory);
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 16px;
    text-align: center;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray);
    text-align: center;
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.subsection-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 8px;
}

/* Content Text */
.content-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 18px;
    line-height: 1.8;
}

.content-text p {
    margin-bottom: 24px;
}

.content-text strong {
    color: var(--sienna);
    font-weight: 700;
}

/* Showcase */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.showcase-item {
    background-color: var(--white);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.showcase-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.showcase-content {
    padding: 20px;
}

.showcase-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 8px;
}

.showcase-description {
    font-size: 14px;
    color: var(--gray);
}

.showcase-placeholder {
    background-color: var(--light-gray);
    padding: 60px 20px;
    text-align: center;
    color: var(--gray);
    grid-column: 1 / -1;
}

/* Supporters */
.supporters-section {
    margin-bottom: 60px;
}

.supporters-note {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 24px;
}

.supporters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.supporter-card {
    background-color: var(--white);
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.supporter-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 4px;
}

.supporter-amount {
    font-size: 14px;
    color: var(--gold);
    font-weight: 700;
}

.supporter-placeholder,
.client-placeholder,
.partner-placeholder,
.returned-placeholder {
    background-color: var(--light-gray);
    padding: 40px 20px;
    text-align: center;
    color: var(--gray);
    grid-column: 1 / -1;
}

/* Clients & Partners */
.clients-grid,
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.client-card,
.partner-card {
    background-color: var(--white);
    padding: 32px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.client-logo,
.partner-logo {
    width: 100%;
    max-width: 150px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 16px;
}

.client-name,
.partner-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 4px;
}

.client-tier,
.partner-tier {
    font-size: 14px;
    color: var(--sienna);
    font-weight: 600;
}

/* Returned Contributions */
.returned-list {
    background-color: var(--white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.returned-item {
    padding: 20px 24px;
    border-bottom: 1px solid var(--light-gray);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    align-items: center;
}

.returned-item:last-child {
    border-bottom: none;
}

.returned-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 4px;
}

.returned-date {
    font-size: 14px;
    color: var(--gray);
}

.returned-amounts {
    text-align: right;
}

.returned-original {
    font-size: 16px;
    color: var(--black);
    font-weight: 600;
}

.returned-bonus {
    font-size: 14px;
    color: var(--gold);
    font-weight: 700;
}

/* Founder */
.founder-section {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 40px;
    align-items: start;
    max-width: 800px;
    margin: 0 auto;
}

.founder-photo {
    width: 200px;
    height: 200px;
    overflow: hidden;
    background-color: var(--light-gray);
}

.founder-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-gray);
    color: var(--gray);
}

.founder-text h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
}

.founder-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--black);
}

/* Budget */
.budget-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.budget-item {
    background-color: var(--white);
    padding: 32px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.budget-amount {
    font-size: 36px;
    font-weight: 800;
    color: var(--gold);
    margin-bottom: 8px;
}

.budget-label {
    font-size: 20px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
}

.budget-item p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray);
}

.moral-commitment {
    background-color: var(--white);
    padding: 32px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.moral-commitment p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.moral-commitment p:last-child {
    margin-bottom: 0;
}

/* Rewards */
.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.reward-card {
    background-color: var(--white);
    padding: 32px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.reward-card:hover {
    transform: translateY(-4px);
}

.reward-featured {
    border: 2px solid var(--gold);
}

.reward-premium {
    border: 2px solid var(--sienna);
    background: linear-gradient(135deg, var(--ivory) 0%, var(--white) 100%);
}

.reward-amount {
    font-size: 32px;
    font-weight: 800;
    color: var(--gold);
    margin-bottom: 8px;
}

.reward-premium .reward-amount {
    color: var(--sienna);
}

.reward-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 20px;
}

.reward-benefits {
    list-style: none;
}

.reward-benefits li {
    font-size: 14px;
    line-height: 1.6;
    color: var(--black);
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.reward-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: 700;
}

/* CTA Section */
.cta-section {
    background-color: var(--black);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--white);
}

.cta-section p {
    font-size: 18px;
    color: var(--ivory);
    margin-bottom: 32px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background-color: var(--black);
    color: var(--ivory);
    padding: 40px 0;
    text-align: center;
}

.footer-content p {
    margin-bottom: 8px;
    font-size: 14px;
}

.footer a {
    color: var(--gold);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .subsection-title {
        font-size: 22px;
    }
    
    .content-text {
        font-size: 16px;
    }
    
    .founder-section {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .founder-photo {
        width: 150px;
        height: 150px;
        margin: 0 auto;
    }
    
    .budget-breakdown {
        grid-template-columns: 1fr;
    }
    
    .rewards-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .supporters-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .clients-grid,
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .returned-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .returned-amounts {
        text-align: left;
    }
}