:root {
    --blue-900: 12 30 60;
    --blue-800: 20 45 90;
    --blue-700: 30 65 130;
    --blue-600: 45 85 170;

    --green-900: 6 95 70;
    --green-800: 4 120 87;
    --green-700: 5 150 105;
    --green-600: 16 185 129;
    --green-500: 52 211 153;
    --green-400: 110 231 183;

    --gold-900: 170 130 20;
    --gold-800: 200 160 40;
    --gold-700: 230 185 60;
    --gold-600: 245 199 60;

    --neutral-50: 255 255 255;
    --neutral-100: 248 250 252;
    --neutral-200: 235 240 246;
    --neutral-300: 217 226 236;
    --neutral-400: 203 213 225;
    --neutral-500: 148 163 184;
    --neutral-600: 100 116 139;
    --neutral-700: 71 85 105;
    --neutral-800: 51 65 85;
    --neutral-900: 31 41 55;

    --color-primary-900: var(--blue-900);
    --color-primary-800: var(--blue-800);
    --color-primary-700: var(--blue-700);
    --color-primary-600: var(--blue-600);

    --color-secondary-900: var(--green-900);
    --color-secondary-800: var(--green-800);
    --color-secondary-700: var(--green-700);
    --color-secondary-600: var(--green-600);
    --color-secondary-500: var(--green-500);
    --color-secondary-400: var(--green-400);

    --color-accent-900: var(--gold-900);
    --color-accent-800: var(--gold-800);
    --color-accent-700: var(--gold-700);
    --color-accent-600: var(--gold-600);

    --color-background: var(--neutral-100);
    --color-surface: var(--neutral-50);
    --color-surface-alt: var(--neutral-200);

    --color-text-on-dark: var(--neutral-50);
    --color-text-on-light: var(--neutral-900);

    --color-text-muted-900: var(--neutral-900);
    --color-text-muted-800: var(--neutral-800);
    --color-text-muted-700: var(--neutral-700);
    --color-text-muted-600: var(--neutral-600);
    --color-text-muted-500: var(--neutral-500);
    --color-text-muted-400: var(--neutral-400);
    --color-text-muted-300: var(--neutral-300);

    --color-border-300: var(--neutral-300);
    --color-border-400: var(--neutral-400);
    --color-border-500: var(--neutral-500);
    --color-border-600: var(--neutral-600);
    --color-border-700: var(--neutral-700);
    
    --font-heading: "Manrope", sans-serif;
    --font-body: "Source Sans 3", sans-serif;
}

/* Firefox */
@-moz-document url-prefix() {
    html {
        scrollbar-color: rgb(var(--color-secondary-800)) rgb(var(--color-background));
        scrollbar-width: thin;
    }
}

/* Chrome, Edge, Safari */
::-webkit-scrollbar {
    width: 0.625rem;
}

::-webkit-scrollbar-track {
    background-color: rgb(var(--color-background));
}

::-webkit-scrollbar-thumb {
    background-color: rgb(var(--color-secondary-800));
}

::-webkit-scrollbar-thumb:hover {
    background-color: rgb(var(--color-secondary-700));
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: rgb(var(--color-background));
    overflow-x: hidden;
    font-family: var(--font-body);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
}

.preload * {
    -webkit-transition: none !important;
    -moz-transition: none !important;
    -ms-transition: none !important;
    -o-transition: none !important;
    transition: none !important;
}

#toast-container > div {
    opacity: 1;
}

section {
    scroll-margin-top: 80px;
}

.section-header {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.section-subtitle {
    /* background-color: rgb(var(--color-accent-600) / 0.24); */
    /* color: rgb(var(--color-accent-900)); */
    /* border: 1px solid rgb(var(--color-accent-700) / 0.22); */
    /* -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px); */
    font-size: 0.85rem;
    background-color: rgb(var(--color-accent-700) / 0.90);
    color: rgb(var(--color-text-on-light));
    border: 1px solid rgb(var(--color-accent-800) / 0.70);
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-description {
    font-style: italic;
    color: rgb(var(--color-text-muted-700));
    margin-top: 1.25rem;
    text-wrap: balance;
    text-align: center;
}

.section-title {
    text-align: center;
    margin-top: 0.5rem;
    color: rgb(var(--color-text-on-light));
    color: rgb(var(--color-primary-900));
}

.section-title span {
    position: relative;
}

.section-title span::before {
    content: "";
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 60%;
    height: 6px;
    background: linear-gradient(
        to right,
        rgb(var(--color-secondary-600)),
        rgb(var(--color-secondary-800))
    );
    border-radius: 50rem;
}

.preview {
    display: none;
    position: fixed;
    z-index: 99999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    justify-content: center;
    align-items: center;
}

.preview__image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.6);
}

.preview__close {
    appearance: none;
    -webkit-appearance: none;
    border: none;
    outline: none;
    background: none;
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    line-height: inherit;
    text-align: inherit;
    cursor: pointer;

    position: absolute;
    top: 1rem;
    right: 2rem;
    color: rgb(var(--color-text-on-dark));
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
}

.preview__close:hover {
    opacity: 0.8;
}