:root {
    --grad-angle: 45deg;
    --background-primary: #fff8ea;
    --background-tertiary: #ffeccc;

    --page-title-color: #78496d;
    --grad-purple: #8d18e0;
    --grad-orange: #ff7a2e;

    --scrollbar-trace: #ffe7d500;
    --scrollbar-thumb: #c25e82;
    --scrollbar-thumb-hover: #78496d;

    --outline-color: #f07d84;
    --card-background: #ffdd923e;
    --card-background-hover: #fffef849;
    --card-border: #fdc296;
    --text-dark: #3d3157;
    --text-darker: #15111d;
    
    --bg-image: url('../background/clouds_light2.jpg');

    --shadow: rgba(255, 176, 65, 0.336);
    --shadow-hover: rgba(255, 135, 249, 0);

    --background-header: #fff8eab3;
}

[data-theme="dark"] {
    --background-primary: #1a1625;
    --background-tertiary: #2a2235;

    --page-title-color: #d4a5c9;
    --grad-purple: #8d18e0;
    --grad-orange: #ff7a2e;

    --scrollbar-trace: #3c2f5986;
    --scrollbar-thumb: #78496d;
    --scrollbar-thumb-hover: #c25e82;

    --outline-color: #78496d;
    --card-background: #1a1625;
    --card-background-hover: #2e2645;
    --card-border: #78496d;
    --text-dark: #d4c5e0;
    --text-darker: #f0e8f5;
    
    --bg-image: url('../background/clouds_dark2.jpg');

    --shadow: rgba(255, 192, 252, 0.2);
    --shadow-hover: rgba(255, 192, 252, 0);

    --background-header: #1a1625b3;

}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-size: 16px;
}

body {
    background: var(--background-primary);
    font-family: "Ruda", sans-serif;
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: -20px;                         /* маленькое смещение (не портит качество) */
    left: 0;
    width: 100%;
    height: calc(100vh + 40px);         /* на 40px больше, но не растягивает заметно */

    background-image: var(--bg-image);
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;

    z-index: -1;
    will-change: transform;
    transform: translate3d(0, var(--bg-shift, 0px), 0);
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(to bottom, 
        transparent 80%, 
        transparent 5%, 
        var(--background-primary) 100%);
    z-index: -1;
    pointer-events: none;
}

/* Scrollbars */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--scrollbar-trace); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }
::-webkit-scrollbar-button { display: none; }

* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-trace);
}

/* Theme Toggle */
.themeToggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--page-title-color);
    /* background: #78496d; var(--background-primary); */
    /* border: 2px solid #3d3157;  */
    /*var(--card-border);*/
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease-in-out;
    user-select: none;
    transform: scale(1.5);
}

.themeToggle:hover {
    transform: scale(1.7);
    /* box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); */
    color: var(--scrollbar-thumb);
}

/* ===== БЛОК С ТЕКСТОМ ===== */
.contentBlock {
    width: min(95vw, 1000px);
    max-width: 1000px;
    padding: 2rem 4rem;

    background: var(--background-tertiary);
    outline: 4px solid var(--outline-color);
    border-radius: 12px;

    text-align: center;
    overflow: hidden;

    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
    
    position: relative;
    z-index: 2;
}

h1 {
    font-size: 2rem;
    margin: 0;
    color: var(--page-title-color);
}

.regularText {
    font-size: 1.2rem;
    line-height: 1.55;
    text-align: justify;
    text-justify: inter-word;
    color: var(--text-dark);
    margin: 0;
}

.smallText {
    font-size: 1.1rem;
    line-height: 1.55;
    text-align: justify;
    text-justify: inter-word;
    /* margin-top: 1rem; */
}


/* [data-theme="dark"] .featureIcon {
    filter: brightness(1.3) saturate(0.9);
} */



/* ===== РАЗДЕЛИТЕЛЬ ===== */
.divider {
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--card-border), transparent);
    margin: 0.2rem 0;
}

/* ===== ЛОГОТИПЫ ГРАНТОВ ===== */
.logosRow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4vw;
    margin-top: 1rem;
}

.logosRow img {
    max-width: 35%;
    height: auto;
    max-height: 10rem;
}

.logosRow img.logo-fasie {
    max-width: 40%;
    max-height: 12rem;
}

img.logo-program {
    max-width: 40%;
    max-height: 14rem;
}