/* =========================================
   FRITTS — Shared Styles
   Applies to all pages. Loaded after design.css.
   ========================================= */

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

/* Root font scales with viewport — pixel-perfect at 1644px (16px base) */
html {
    font-size: calc(16 * var(--frame-w) / 1644);
}

body {
    font-family: var(--font-family-primary);
    background-color: var(--color-brand-dark-teal);
    overflow-x: hidden;
}

/* =========================================
   Header
   ========================================= */
header {
    position: fixed;
    top: 0;
    left: var(--frame-offset);
    right: var(--frame-offset);
    width: var(--frame-w);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--header-padding-block) var(--header-padding-inline);
    z-index: 100;
    background-color: transparent;
    transition: background-color 0.4s ease;
}

header.header-solid {
    background-color: var(--color-brand-dark-teal);
}

.logo img {
    width: var(--logo-width);
    height: var(--logo-height);
    object-fit: contain;
}

/* =========================================
   Nav Pill
   ========================================= */
.nav-links {
    background: var(--nav-pill-bg);
    backdrop-filter: blur(var(--nav-pill-blur));
    padding: var(--nav-pill-padding-block) var(--nav-pill-padding-inline);
    border-radius: var(--nav-pill-radius);
    display: flex;
    gap: var(--nav-pill-gap);
}

.nav-links a {
    color: var(--color-brand-white);
    text-decoration: none;
    font-size: var(--nav-font-size);
    font-weight: var(--nav-font-weight);
    font-style: var(--nav-font-style);
    line-height: var(--nav-line-height);
    transition: opacity 0.2s;
}

.nav-links a:hover {
    opacity: 0.8;
}

.nav-links a.active {
    font-weight: var(--nav-font-weight-active);
}

/* =========================================
   Primary Button
   ========================================= */
.btn-primary {
    background-color: var(--color-brand-red);
    color: var(--color-brand-white);
    border: none;
    padding: var(--nav-btn-padding-block) var(--nav-btn-padding-inline);
    border-radius: var(--nav-pill-radius);
    font-size: var(--nav-font-size);
    font-weight: var(--nav-font-weight);
    font-style: var(--nav-font-style);
    line-height: var(--nav-line-height);
    cursor: pointer;
    transition: transform 0.2s ease;
    font-family: var(--font-family-primary);
}

.btn-primary:hover {
    transform: scale(1.05);
}

a.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

/* =========================================
   Mobile
   ========================================= */
@media (max-width: 768px) {
    header {
        padding: 1em;
        flex-wrap: wrap;
        gap: 1em;
    }

}

/* =========================================
   Loading Overlay (shared across pages)
   Sits below #rotate-device-prompt (z: 999999)
   and above everything else on the page.
   ========================================= */
#loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 999998;
    background: var(--color-brand-dark-teal);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3em;
    opacity: 1;
    transition: opacity 0.6s ease;
    font-family: var(--font-family-primary);
}

#loading-overlay.is-hidden {
    opacity: 0;
    pointer-events: none;
}

#loading-overlay.is-done {
    visibility: hidden;
}

.loading-overlay__icon {
    width: min(18em, 28vw);
    height: auto;
    display: block;
}

.loading-overlay__bar {
    width: min(24em, 40vw);
    height: 0.5em;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 50px;
    overflow: hidden;
}

.loading-overlay__fill {
    width: 0%;
    height: 100%;
    background: var(--color-brand-red);
    border-radius: 50px;
    transition: width 0.25s ease-out;
}