/* =======================================================================
    7 Summits - MAIN CSS
======================================================================= */

/* -----------------------------------------------------------------------
    TABLE OF CONTENTS
    1. Fonty & Reset
    2. Barvy (CSS Variables)
    3. Layout - Body, HTML
        3.1 Responzivita
    4. Navigace (Header)
        4.1 Základní styly
        4.2 Navigační menu
        4.3 Navigační overlay
    5. Main (Obsah)
    6. Footer (Zápatí)
        6.1 Základní styly
        6.2 Responzivita
    7. Scrollbar styl
    8. CMS Preview - Číslování a seznamy
======================================================================= */

/* 1. Fonty & Reset ---------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Montagu+Slab:opsz,wght@16..144,100..700&display=swap');

:root {
    /* === Barvy === */
    --color-primary-100: #484848;
    --color-primary-90: #5a5a5a;
    --color-primary-75: #767676;
    --color-primary-60: #919191;
    --color-primary-50: #a3a3a3;
    --color-primary-40: #b6b6b6;

    --color-secondary-100: #787878;
    --color-secondary-90: #858585;
    --color-secondary-75: #9a9a9a;
    --color-secondary-60: #aeaeae;
    --color-secondary-50: #bbbbbb;
    --color-secondary-40: #c9c9c9;

    --color-accent-100: #323232;
    --color-accent-90: #464646;
    --color-accent-75: #656565;
    --color-accent-60: #848484;
    --color-accent-50: #989898;
    --color-accent-40: #adadad;

    --color-neutral-100: #dfdfdf;
    --color-neutral-90: #e2e2e2;
    --color-neutral-75: #e7e7e7;
    --color-neutral-60: #ececec;
    --color-neutral-50: #efefef;
    --color-neutral-40: #f2f2f2;

    --color-light-100: #eeeeee;
    --color-light-90: #f0f0f0;
    --color-light-75: #f2f2f2;
    --color-light-60: #f5f5f5;
    --color-light-50: #f6f6f6;
    --color-light-40: #f8f8f8;
    --color-light-40-transparent: rgba(248, 248, 248, 0.4);

    --color-white: #FFFFFF;
    --color-black: #000;

    /* === Šedé odstíny === */
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e6e6e6;
    --color-gray-300: #dddddd;
    --color-gray-400: #999999;
    --color-gray-500: #656565;
    --color-gray-600: #464646;

    /* === Video sekce === */
    --video-bg: transparent;
    --video-overlay-dark: rgba(0, 0, 0, 1);
    --video-overlay-transparent: rgba(0, 0, 0, 0);

    /* === Ostatní === */
    --box-shadow: 0 4px 12px rgba(0,0,0,.15);
    --text-shadow: 0 4px 4px rgba(29, 29, 29, .1);
    --opacity-gray-50: rgba(101,101,101,.5);

    /* === Scrollbar === */
    --sb-size: 16px;
    --sb-track: #1e1e1e;
    --sb-thumb: #999;
    --sb-thumb-hover: #bbb;
    --sb-border: 3px solid #1e1e1e;
}

/* 2. Reset ------------------------------------------------------------ */
html {
    box-sizing: border-box;
    scroll-behavior: smooth;
}
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: inherit;
    list-style: none;
}

/* Preloader --------------------------------------------------------- */
#preloader {
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    inset: 0; opacity: 1;
    background-color: var(--color-black);
    pointer-events: none;
    animation: fadeOutPreloader 1.2s ease forwards;
    z-index: 100000;
}
#preloader.homepage {
    animation-delay: 1s;
}
#preloader.homepage p {
    font-size: clamp(1rem, 0.75vw + 0.8rem, 1.875rem);
    font-weight: 500;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: var(--color-light-100);
    animation: pulse-scale 4s ease-in-out infinite;
}
@keyframes pulse-scale {
    0% {  opacity: 1; transform: scale(1); transform: translateY(-10px); }
    100% { opacity: 0; transform: scale(1.01); transform: translateY(0); }
}

/* 3. Layout - Body, HTML ---------------------------------------------- */
body {
    margin: 0;
    min-height: 100vh;
    font-family: "Raleway", sans-serif;
    background: var(--color-white);
    color: var(--color-primary-100);
    overflow-x: hidden;
}
body.menu-open {
    overflow: hidden;
}
button {
    font-family: "Raleway", sans-serif;
}

/* 4. Navigace (Header) ------------------------------------------------ */
header {
    position: relative;
    width: 100%; height: 100vh; height: 100dvh; max-height: 1280px;
    overflow: hidden;
}
#nav {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: clamp(0.75rem, 1vw + 1rem, 2.5rem);
    z-index: 9999;
    opacity: 0;
    transform: translateY(-40px);
    will-change: opacity, transform;
    animation: slideDownFadeIn 1s ease forwards;
}
#nav .navLogo {
    display: flex;
    align-items: center;
    text-decoration: none;
    text-transform: uppercase;
    gap: clamp(0.625rem, 0.2vw + 0.55rem, 0.75rem);
}
#nav .navLogo img { height: clamp(2.5rem, 1.5vw + 1.5rem, 3.625rem); }
body.menu-open #nav:not(.light) .navLogo img { content: url('/assets/img/prvky/Logo-IFMGA-Bile.webp'); }
#nav .navLogo p {
    font-size: clamp(0.75rem, 0.8vw + 0.5rem, 0.875rem);
    font-weight: 300;
    line-height: 140%;
    letter-spacing: 2px;
    word-spacing: 1px;
    padding: 0.25rem 0 0.25rem clamp(0.625rem, 0.2vw + 0.55rem, 0.75rem);
    color: var(--color-primary-100);
    border-left: 2px solid var(--color-primary-100);
}
#nav.light .navLogo p,
body.menu-open #nav:not(.light) .navLogo p {
    color: var(--color-light-100);
    border-left: 2px solid var(--color-neutral-100);
}
#nav .navLogo p span {
    font-size: clamp(1rem, 1.3vw + 0.8rem, 1.625rem);
    font-weight: 400;
}
#nav button {
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-primary-100);
    background: transparent;
    border: none;
    gap: 8px;
    cursor: pointer;
    transition: all .3s ease;
    will-change: transform, color, opacity;
}
#nav.light button {
    color: var(--color-light-100);
}
#nav button:hover {
    transform: scale(1.05);
}
#nav button span.menuToggleText {
    font-size: clamp(0.75rem, 0.5vw + 0.7rem, 0.875rem);
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}
#nav button span.icon {
    font-size: clamp(1.5rem, 1vw + 0.9rem, 2.375rem);
    font-weight: 200;
}
#nav button#menuClose {
    color: var(--color-light-100);
}
#nav button.fade-out { opacity: 0; }
#nav button.fade-in { opacity: 1; }
#menuToggle:focus-visible,
#menuClose:focus-visible {
    outline: 1px solid var(--color-accent);
}

/* 4.2 Navigační menu -------------------------------------------------- */
#nav .menu {
    position: fixed;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
    top: 0; right: 0;
    width: min(100%, 420px);
    height: 100vh;
    padding: clamp(5rem, 2vw + 4rem, 7.5rem)
            clamp(0.75rem, 1vw + 1rem, 2.5rem)
            clamp(0.75rem, 1vw + 1rem, 2.5rem)
            clamp(0.75rem, 1vw + 1rem, 2.5rem);
    gap: clamp(0.5rem, 1.3vw + 0.5rem, 1.25rem);
    background: transparent;
    transform: translateX(100%);
    transition: transform .6s ease;
}
#nav .menu.show {
    transform: translateX(0%);
}
#nav .menu button {
    position: absolute;
    top: clamp(1rem, 0.8vw + 1rem, 2.5rem);
    right: clamp(1rem, 0.8vw + 1rem, 2.5rem);
}
#nav .menu .link {
    width: auto;
    height: auto;
    text-align: right;
    text-transform: uppercase;
    cursor: pointer;
}
#nav .menu .link a {
    position: relative;
    font-size: clamp(0.75rem, 0.8vw + 0.75rem, .875rem);
    font-weight: 400;
    color: var(--color-light-100);
    text-decoration: none;
    letter-spacing: 4px;
    word-spacing: 2px;
    padding: 4px 12px 4px 8px;
    transition: .3s;
}
#nav .menu .link a::after {
    position: absolute;
    content: '';
    display: block;
    bottom: 0;
    right: 0;
    width: 2px;
    height: 0;
    background: transparent;
    transition: height .3s, background .3s;
    will-change: height, background;
}
#nav .menu .link a.active::after {
    height: 100%;
    background: var(--color-light-100);
}
#nav .menu .link a:hover::after {
    height: 100%;
    background: var(--color-neutral-90);
}

/* 4.3 Navigační overlay ----------------------------------------------- */
#nav .menu .socials {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: flex-end;
    flex-wrap: wrap;
    width: 100%;
    height: 100%;
    margin: clamp(0.75rem, 1vw + 0.75rem, 1.25rem) clamp(0.75rem, 1vw + 0.75rem, 1.25rem) 0 0;
    gap: clamp(1.125rem, 1vw + 1.125rem, 1.7rem);
}
#nav .menu .socials a {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: clamp(0.75rem, 0.8vw + 0.75rem, 1.125rem);
    color: var(--color-light-100);
    text-decoration: none;
    transition: transform 0.3s;
    will-change: transform;
}
#nav .menu .socials a:hover {
    transform: scale(1.1);
}
.navbar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s, visibility 0.6s;
    will-change: opacity, visibility;
    z-index: 9997;
}
.navbar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 5. Main (Obsah) ----------------------------------------------------- */
main {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    height: auto;
}
main#main-expedice {
    position: relative;
}
main#main-planovane-akce {
    align-items: flex-start;
}
main.no-landing {
    align-items: flex-start;
    margin-top: calc(-1*(100vh - clamp(0.75rem, 1vw + 1rem, 2.5rem) - clamp(0.75rem, 1vw + 1rem, 2.5rem) - clamp(2.5rem, 1.5vw + 1.5rem, 3.625rem)));
}

/* 6. Footer (Zápatí) -------------------------------------------------- */
footer {
    display: grid;
    place-items: center;
    width: 100%;
    padding: clamp(0.75rem, 1vw + 1rem, 2.5rem);
    background: var(--color-accent-100) url('../img/prvky/Mapa-Svete-Pozadi-Main-Prvky.webp') center/auto no-repeat;
    z-index: 2;
}
footer .footer-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    width: 100%;
    height: 100%;
}
footer .footer-wrapper .footer-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: clamp(0.75rem, 0.15vw + 0.55rem, 1rem);
    max-width: 450px;
    height: 100%;
}
footer .footer-wrapper .footer-left .footer-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    text-transform: uppercase;
    gap: 12px;
}
footer .footer-wrapper .footer-left .footer-logo img {
    height: clamp(2.5rem, 1.5vw + 1.5rem, 3.625rem);
}
footer .footer-wrapper .footer-left .footer-logo p {
    font-size: clamp(0.75rem, 0.6vw + 0.5rem, 1rem);
    font-weight: 300;
    line-height: 130%;
    padding: 0.25rem 0 0.25rem clamp(0.625rem, 0.2vw + 0.55rem, 0.75rem);
    margin-top: 8px;
    color: var(--color-primary-100);
    border-left: 2px solid var(--color-primary-100);
}
footer .footer-wrapper .footer-left .footer-logo p {
    color: var(--color-light-100);
    border-left: 2px solid var(--color-neutral-100);
}
footer .footer-wrapper .footer-left .footer-logo p span {
    font-size: clamp(1rem, 1vw + 0.8rem, 1.75rem);
    font-weight: 400;
}
footer .footer-wrapper .footer-left p {
    font-size: clamp(0.75rem, 0.5vw + 0.7rem, 0.875rem);
    font-weight: 300;
    color: var(--color-light-100);
    margin-top: 18px;
    text-align: justify;
}
footer .footer-wrapper .footer-left small {
    font-size: 0.6875rem;
    color: var(--color-light-100);
    margin-top: auto;
}
footer .footer-wrapper .footer-left small a.kontakt-link {
    color: var(--color-light-100);
    text-decoration: underline;
}
footer .footer-wrapper .footer-right {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: clamp(1.75rem, 1vw + 1.75rem, 2.5rem) clamp(2.625rem, 1vw + 2.625rem, 3.75rem);
    max-width: 705px;
}
footer .footer-wrapper .footer-right .sloupec {
    display: flex;
    flex-direction: column;
    font-weight: 300;
}
footer .footer-wrapper .footer-right .sloupec h4 {
    font-size: clamp(1rem, 0.8vw + 0.8rem, 1.125rem);
    font-weight: 500;
    color: var(--color-light-100);
    border-left: 2px solid var(--color-light-100);
    padding-left: 6px;
    margin-bottom: 10px;
}
footer .footer-wrapper .footer-right .sloupec a {
    margin-bottom: 4px;
}
footer .footer-wrapper .footer-right .sloupec a,
footer .footer-wrapper .footer-right .sloupec p {
    font-size: clamp(0.75rem, 0.5vw + 0.7rem, 0.875rem);
    font-weight: 400;
    color: var(--color-light-100);
    margin-left: 9px;
    text-decoration: none;
}
footer .footer-wrapper .footer-right .sloupec a.kontakt-link {
    margin-left: 0;
}
footer .footer-wrapper .footer-right .sloupec .ikonaText {
    display: flex;
    font-family: "Montserrat", sans-serif;
    margin-left: 9px;
    margin-bottom: 4px;
}
footer .footer-wrapper .footer-right .sloupec .ikonaText a {
    margin-left: 0;
}
footer .footer-wrapper .footer-right .sloupec .ikonaText span.material-symbols-outlined {
    font-size: clamp(1rem, 0.8vw + 0.8rem, 1.125rem);
    font-weight: 300;
    color: var(--color-light-100);
}
footer .footer-wrapper .footer-right .sloupec .ikonaText .ikonaTextOdsazeni {
    margin: 0 0 0 9px;
}
footer .footer-wrapper .footer-right .sloupec .socialniSite {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: row;
    width: auto;
    height: auto;
    margin: 25px 0 0 0;
    gap: clamp(0.875rem, 0.8vw + 0.75rem, 1.125rem);
}
footer .footer-wrapper .footer-right .sloupec .socialniSite a {
    font-size: clamp(1.125rem, 0.8vw + 1.125rem, 1.375rem);
    color: var(--color-light-100);
    cursor: pointer;
}
footer .footer-wrapper .footer-right .sloupec.partneri {
    flex-direction: row;
    gap: clamp(1.75rem, 1vw + 1.75rem, 2.5rem);
    align-items: center;
}
footer .footer-wrapper .footer-right .sloupec.partneri img {
    height: clamp(2.5rem, 1vw + 1.5rem, 2.75rem);
    opacity: 0.75;
    cursor: pointer;
}
footer .footer-wrapper small.creditsResp {
    display: none;
}

/* 6.2 Footer - Responzivita ------------------------------------------- */
@media screen and (max-width: 1500px) {
    footer .footer-wrapper .footer-left { max-width: 400px; }
}
@media screen and (max-width: 1280px) {
    footer .footer-wrapper { gap: clamp(1.75rem, 1vw + 1.75rem, 2.5rem); }
    footer .footer-wrapper .footer-left { height: auto; }
    footer .footer-wrapper .footer-left small { display: none; }
    footer .footer-wrapper .footer-right { max-width: none; }
    footer .footer-wrapper small.creditsResp {
        display: block;
        font-size: 11px;
        color: var(--color-light-100);
        margin-top: auto;
    }
    footer .footer-wrapper small a.kontakt-link {
        color: var(--color-light-100);
        text-decoration: underline;
    }
}
@media screen and (max-width: 720px) {
    footer .footer-wrapper .footer-left { width: 100%; max-width: none; margin: 0; }
}
@media screen and (max-width: 500px) {
    footer .footer-wrapper .footer-right .sloupec.partneri { flex-wrap: wrap; }
}

/* 7. Scrollbar styly -------------------------------------------------- */
/* WebKit (Chrome, Edge, Safari) */
::-webkit-scrollbar { width: var(--sb-size); }
::-webkit-scrollbar-track { background: var(--sb-track); }
::-webkit-scrollbar-thumb {
    background-color: var(--sb-thumb);
    border-radius: 10px;
    border: var(--sb-border);
}
::-webkit-scrollbar-thumb:hover { background-color: var(--sb-thumb-hover); }
/* Firefox */
html {
    scrollbar-width: auto;
    scrollbar-color: var(--sb-thumb) var(--sb-track);
}

/* 8. CMS Preview - Číslování a seznamy -------------------------------- */
/* Číslované seznamy */
.about-text-wrapper ol,
.akceText ol,
.informacni-text ol,
.schedule-program-text ol {
    counter-reset: item;
    margin-left: 18px;
    padding-left: 18px;
    list-style: none;
}
.about-text-wrapper ol > li,
.akceText ol > li,
.informacni-text ol > li,
.schedule-program-text ol > li {
    counter-increment: item;
    margin: 4px 0;
    position: relative;
}
.about-text-wrapper ol > li::before,
.akceText ol > li::before,
.informacni-text ol > li::before,
.schedule-program-text ol > li::before {
    content: counters(item, ".") ". ";
    position: absolute;
    left: -2.5em;
    width: 2em;
    text-align: right;
}
/* Nečíslované seznamy */
.about-text-wrapper ul,
.akceText ul,
.informacni-text ul,
.schedule-program-text ul {
    margin-left: 18px;
    padding-left: 18px;
}
.about-text-wrapper ul ul,
.akceText ul ul,
.informacni-text ul ul,
.schedule-program-text ul ul,
.about-text-wrapper ul ul ul,
.akceText ul ul ul,
.informacni-text ul ul ul,
.schedule-program-text ul ul ul {
    margin-left: 18px;
}
.about-text-wrapper ul li,
.akceText ul li,
.informacni-text ul li,
.schedule-program-text ul li {
    list-style-type: disc;
}
.about-text-wrapper ul ul li,
.akceText ul ul li,
.informacni-text ul ul li,
.schedule-program-text ul ul li {
    list-style-type: circle;
}
.about-text-wrapper ul ul ul li,
.akceText ul ul ul li,
.informacni-text ul ul ul li,
.schedule-program-text ul ul ul li {
    list-style-type: square;
}

/* --- Keyframes --- */
@keyframes slideDownFadeIn {
    from { opacity: 0; transform: translateY(-40px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUpFadeIn {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes imageZoomIn {
    from { transform: scale(1.1); }
    to { transform: scale(1); }
}
@keyframes fadeOutPreloader {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* --- Reduced Motion Preference --- */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* === Scroll animace === */
.filtr.scroll-animate {
    position: relative;
    z-index: 2;
}
.scroll-animate,
.scroll-animate-row,
.akceBox.scroll-animate,
footer.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    will-change: opacity, transform;
}
.scroll-animate.visible,
.scroll-animate-row.visible,
.akceBox.scroll-animate.visible,
footer.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}


/* === Skrytý nadpis === */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.content-empty {
    display: none !important;
}