body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-main);
    
    margin: 0;
}

h1 {
    font-family: var(--font-main);
    font-size: var(--text-h1);
    margin-bottom: var(--space-4);
}

/* =====================
   Hero skolaonline
===================== */
section.hero {
    flex: 1 1 100%; /* stejné jako text-section, aby výška byla stejná */
    overflow: hidden;
    position: relative;

}
@media (max-width: 992px) {
    section.hero {
        border-radius: var(--radius-md) var(--radius-md) 0 0;
        
        max-height: 120px;
    }
}
@media (min-width: 992px) {
    section.hero {    
        border-radius: var(--radius-lg) 0 0 var(--radius-lg);
        
        flex: 1 1 45%; 
    }   
}

section.hero::after {
    box-shadow: inset 0 0 200px rgba(0, 0, 0, 0.25);
    content: "";
    inset: 0;
    pointer-events: none;
    position: absolute;
}
@media (max-width: 992px) {
    section.hero::after {
        box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.25);
    }
}

/* Hero skolaonline - big image - background */
.hero-bg {
    height: 180%;
    object-fit: none;          
    object-position: 80% 0; 
    overflow: hidden;
    width: 180%;
}
@media (max-width: 992px) {
    .hero-bg {
        height: 120%;
        max-height: 120px;
        object-fit: cover;
        object-position: 20% 37%; 
        width: 120%;
    }
}
@media (min-width: 1200px) {
    .hero-bg {
        object-position: 90% 0%;  
    }
}
@media (min-width: 1400px) {
    .hero-bg {
        object-position: 100% 0; 
    }
}

/* Hero skolaonline - logotype across the background */
.hero-logo {
    filter: drop-shadow(0 0 5px rgba(0,0,0,0.75));
    left: 50%;
    max-width: 500px;         /* nepřerůstá sekci na desktopu */
    position: absolute;       /* přesně nad pozadím */
    top: 50%;
    transform: translate(-50%, -50%); /* vertikální i horizontální střed */
    width: 66%;               /* logo zabírá 66% šířky sekce */
}

@media (max-width: 1200x) {
    .hero-logo {
        width: 70%;
    }
}
@media (max-width: 992px) {
    .hero-logo {
        width: 30%;
    }
}
@media (max-width: 768px) {
    .hero-logo {
        width: 40%;
    }
}
@media (max-width: 576px) {
    .hero-logo {
        width: 60%;
    }
}

/* =====================
   Form wrapper
===================== */
.form-login {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    gap: var(--space-5);

    align-items: center;
    align-self: stretch;
    box-sizing: border-box;   
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    flex: 1 1 45%;
    padding: 80px 100px;    
}
@media (max-width: 768px) {
    .form-login {
        flex: 1 1 100%; 
        padding: 40px;
    }
}

@media (max-width: 992px) {
    .form-login {
        border-radius: 0 0 var(--radius-md) var(--radius-md);

        margin-top: 0 !important;
    }   
}
@media (min-width: 992px) {
    .form-login {
        border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
        box-shadow: var(--shadow-lg); 
        max-width: 700px;      
    }   
}

/* =====================
   Form title
===================== */
.form__title {
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: var(--text-h2);
    font-weight: var(--font-weight-semibold);

    align-items: flex-start;
    font-style: normal;
    line-height: 100%;
}
@media (max-width: 768px) {
    .form__title {
        font-size: var(--text-h3);
    }
}

.form__title.wrapper {
    gap: var(--space-3);
    
    align-items: flex-start;
    align-self: stretch;
    display: flex;
    flex-direction: column;
}

/* =====================
   Form groups
===================== */
.form-group {
    gap: var(--space-3);

    align-self: stretch;
    display: flex;
    flex-direction: column;
}

/* =====================
   Inputs
===================== */
.form-input {
    background: var(--color-surface);
    border: var(--border-width) solid var(--border-color);
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: var(--text-body);
    gap: var(--space-2);
    padding: var(--space-2);
    
    align-items: flex-start;
    align-self: stretch;
    display: flex;
    transition: border-color 0.2s;
}

.form-input[id="password"] {
    background: none;
    border: none;
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);

    outline: none;
}

.password-wrapper {
    border: var(--border-width) solid var(--border-color);

    position: relative;
}
.password-wrapper input {
    font-size: var(--text-body);

    padding-right: 0; /* prostor pro ikonku */
}

.toggle-icon {
    border-color: var(--color-text-muted);
    font-size: var(--text-body);
    
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
}
.toggle-icon svg {
    pointer-events: none; /* aby klik byl na buttonu, ne na svg */
}

input[type="password"]::-ms-reveal, 
input[type="password"]::-ms-clear { 
    display: none !important; 
}

/* =====================
   Error message
===================== */
.form-error {
    color: var(--color-error);
    font-family: var(--font-main);
    font-size: var(--text-small);

    display: block;
    margin-top: 4px;
    min-height: 1em;   /* place for error messages */
    text-align: center;
    visibility: visible;
}
.form--error .form-error {
    visibility: visible;
}

/* =====================
   Info message – log out
===================== */
.form-info {
    color: var(--color-accent);
    font-family: var(--font-main);
    font-size: var(--text-small);

    display: block;
    margin-top: 4px;
    min-height: 1em;   /* place for error messages */
    text-align: center;
    visibility: visible;
}
.form--info .form-info {
    visibility: visible;
}

/* =====================
   Buttons
===================== */
.button {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-primary);
    font-family: var(--font-main);
    font-size: var(--text-button);
    font-weight: var(--font-weight-semibold);
    padding: var(--space-3) var(--space-3);
    
    align-self: stretch;
    cursor: pointer;
    text-align: center;
    transition: background 0.2s;
}

.button--primary {
    background: var(--color-primary);
    color: var(--color-surface);
}

.button--primary:hover {
    background: var(--color-accent);
}

.button--secondary {
    background: var(--color-surface);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    
    text-decoration: none;
}

.button--secondary:hover {
    background: var(--color-secondary-hover);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

.button--link {
    color: var(--color-primary);
    margin-top: var(--space-2);

    background: none;
    padding: 0;
    text-decoration: underline;
}

/* =====================
   Text + link
===================== */
.form-text {
    font-size: var(--text-body);
    color: var(--color-text);

    text-align: center;
}
.form-text .link {
    color: var(--color-primary);
    
    text-decoration: none;
}
.form-text .link:hover {
    color: var(--color-accent);
    
    text-decoration: none;
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted); /* barva placeholderu */
    
    opacity: 1; /* někdy je defaultně 0.5 */
}

/* =====================
   Card
===================== */
.cards {
    display: grid;
    gap: 74px;
    grid-template-columns: repeat(3, 1fr);
    margin: 0 auto;
    max-width: 1400px;
    width: 100%;
}
@media (max-width: 1400px) {
    .cards {
        gap: 24px;
    }
}
@media (max-width: 992px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 575px) {
    .cards {
        grid-template-columns: 1fr;
    }
}

.card {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);

    align-items: flex-start;
    align-self: stretch;
    align-content: space-between;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: auto;
    padding: 60px 40px;
    min-height: 60px;
}   
@media (max-width: 992px) {
    .card {
        border-radius: var(--radius-md);
    }
}

.card.pine-card {
    background: none;
    gap: 0 !important;
    grid-column: span 2;
    height: auto;
    justify-content: center;  
}
@media (max-width: 575px) {
    .card.pine-card {
        grid-column: span 1;
    }
}

.card__logotype-wrapper {
    align-items: flex-start;
    display: flex;
    justify-content: center;
    min-height: 60px;
}

.card__logo img {
    max-width: 100%;
}

.card--text {
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: var(--text-body);
    font-style: var(--font-weight-regular);
    font-weight: var(--font-weight-light);

    align-self: stretch;
    flex-shrink: 0;
    line-height: 150%; /* 24px */
    min-height: 210px;
}
.card--text a {
    color: var(--color-text);
    font-size: var(--text-body);
    font-family: var(--font-main);
    font-weight: var(--font-weight-bold);

    font-style: normal;
    line-height: 150%;
    text-decoration-line: underline;
    text-decoration-style: solid;
    text-decoration-skip-ink: auto;
    text-decoration-thickness: auto;
    text-underline-offset: auto;
    text-underline-position: from-font;
}

.card--text-links-wrapper {
    padding-top: var(--space-4);
}
.card--text-links-wrapper a {
    font-size: var(--text-h4);
}
.card--text-links-wrapper a:hover {
    color: var(--color-sitport);
}
.card--text-links-wrapper a.techtower-card-text-link {
    color: var(--color-sitport);
}
.card--text-links-wrapper a.techtower-card-text-link:hover {
    color: var(--color-sitport-active);
}

/* =====================
   Bottomed link with arrow
===================== */
.card--link-wrapper {
    padding-bottom: var(--space-4);
    
    align-items: center;
    align-self: stretch;
    display: flex;
    gap: 9px;
    margin-top: auto;
}
.card--link-wrapper a {
    display: flex;
    flex-direction: row;
    text-decoration: none;
}

.card--link {
    color: var(--arrow-color);
    font-family: var(--font-main);
    font-size: var(--text-link-to-source);
    font-weight: var(--font-weight-semibold);
    
    font-style: normal;
    line-height: 150%; 
}
.card--link:hover {
    color: var(--arrow-color-active);
}
.card--link a {
    color: var(--arrow-color);
}

.card {
    --arrow-color: var(--color-text);
    --arrow-color-active: var(--color-text);
}

/* Cards custom settings */
.card.plzenske-skoly-card {
    --arrow-color: var(--color-plzenskeskoly);
    --arrow-color-active: var(--color-plzenskeskoly-active);
}

.card.centrum-robotiky-card {
    --arrow-color: var(--color-centrumrobotiky);
    --arrow-color-active: var(--color-centrumrobotiky-active);
}

.card.radovanek-card {
    --arrow-color: var(--color-radovanek);
    --arrow-color-active: var(--color-radovanek-active);
}

.card.sitport-card {
    --arrow-color: var(--color-sitport);
    --arrow-color-active: var(--color-sitport-active);
}

.card:has(.section--video-intro) {
    padding: 0 !important;
}

.card--arrow {
    color: var(--arrow-color);

    aspect-ratio: 1/1;
    height: 42px;
    width: 42px;
}

/* =====================
   Card PINE video
===================== */
.section--video-intro {
    height: 100%;
}

.video, video {
    -o-object-fit: cover;
    min-height: 100% !important;
    object-fit: cover;
    z-index: -1;
}

.video-background {
    border-radius: var(--radius-lg);

    height: 51vh;
    overflow: hidden;
    position: relative;
    width: 100%;
}
@media (max-width: 992px) {
    .video-background {
        border-radius: var(--radius-md);
        min-height: 500px;
    }
}
@media (min-width: 992px) and (max-width: 1400px) {
    .video-background {
        height: 65vh;
    }
}
@supports (height: clamp(1px, 2px, 3px)) {
    .video-background {
        height: 100%;
    }
}

.video-content {
    color: var(--color-text-light);
    
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 3;
}
@media (max-width: 400px) {
    .video-content {
        top: 45%;
    }
}

.video-content h2 {
    color: var(--color-text-light);
    
    font-size: 1.4em;
    font-weight: 600;
    line-height: normal;
    padding-top: 1.2em;
}
@media (max-width: 992px) {
    .video-content h2 {
        font-size: var(--text-body);
    } 
}
@media (max-width: 400px) {
    .video-content h2 {
        font-size: var(--text-small);
    }
}

.video-content h4 {
    color: var(--color-text-light);
    
    font-size: 1em;
    font-weight: 400;
    line-height: normal;
    padding-top: 1.2em;
}
@media (max-width: 400px) {
    .video-content h4 {
        font-size: var(--text-small);
    }
}

.video-content .btn {
    background-color: var(--color-secondary); 
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: var(--text-small);
    font-weight: var(--font-weight-semibold);

    border: none; 
    padding: 12px 20px;
    text-decoration: none;
}
.video-content .btn:hover {
    background-color: #f0f0f0f0; 
    color: #222;               
    transform: translateY(-2px); 
}

@media (max-width: 992px) {
    .video-content img {
        transform: scale(0.6);
        transform-origin: center center;
    }
}
@media (max-width: 400px) {
    .video-content img {
        transform: scale(0.5);
    }
}

/* =====================
   Footer
===================== */
.footer .logotypes-wrapper {
    padding-top: var(--space-8);

    align-items: center;
    display: flex;
    justify-content: center;
}
@media (min-width: 992px) {
    .footer .logotypes-wrapper {
        padding-inline: var(--space-4);
        padding: 0 100px;
    }
}

.footer .logo-big img {
    align-items: center;
    aspect-ratio: 78/11;
    display: flex;
    height: 55px;
    justify-content: center;

}
@media (max-width: 768px) {
    .footer .logo-big img {
        aspect-ratio: 1; 
        max-width: 100% !important;
        width: 280px;
    }
}

.footer .logotypes__small-wrapper {
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    max-height: 1400px;
    padding: 90px 0 90px 0;
    row-gap: 72px;
}
@media (min-width: 1600px) {
    .footer .logotypes__small-wrapper {
        flex-direction: row;
        max-width: 1400px;
        padding: 90px 0;
        row-gap: 60px;
        width: 1400px;
    }
}

.footer .logo-small img {
    max-height: 300px;
    vertical-align: middle;
    width: 100%;
}

.footer .logo-small.logo-pine-small {
    transform: translateY(-1px);
}
.footer .logo-small.logo-dronysit-small {
    transform: translateY(-16px);
}
.footer .logo-small.logo-centrumrobotiky-small {
    transform: translateY(-0px); 
}
.footer .logo-small.logo-sitport-small {
    transform: translateY(1px);
}