/* Base / reset */
*,
*::before,
*::after {
    box-sizing: border-box;
}

:root { --topbar-h: 56px; }  /* default; JS will keep it exact */


html {
    min-height: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: var(--topbar-h);
}

/* Prevent visible jump during initial centering */
html.pre-intro, html.pre-intro body {
    /*overflow: hidden; -- better not have the scrollbars appear and disappear */
    scroll-behavior: auto;   /* <- critical: no browser "smooth" during intro */
}

body {
    margin: 0;
    min-height: 100%;
    height: auto;
    --bg-1: #87e5be;
    --bg-2: #00947e;
    --bg-3: #043d37;
    --feed-bg: var(--bg2);
    --ink: #f6fff9;
    color: var(--ink);
    font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    background: radial-gradient(1400px 70% at 50% -10%, var(--bg-1) 0%, var(--bg-2) 55%, var(--bg-3) 100%);
}

a {
    color: inherit;
    text-decoration: none;
}

a:visited {
    color: inherit;
}

/* Splash */
.splash {
    min-height: 100dvh;
    display: grid;
    place-items: center;
    overflow: hidden;
}

.splash__logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    -webkit-mask-image: linear-gradient(to bottom, black 72%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 72%, transparent 100%);
    opacity: 0;                 /* keep invisible until we've scrolled to the right spot */
    transition: opacity .6s ease-out;
}
.splash__logo.reveal { opacity: 1; }

@keyframes fade {
    to { opacity: 1; }
}

/* Topbar */
.topbar{
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    backdrop-filter: blur(6px);
    /* background: rgba(8,55,49,.9); */
    /* box-shadow: 0 2px 12px rgba(0,0,0,.25); */
    opacity: 0;
    transition: opacity .45s ease;
}
.topbar.show{ opacity: 1; }

.topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    padding: .6rem 1rem;
}

.tabs {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
}

.tab, .tabs .tab:visited {
    color: inherit;
    text-decoration: none;
    padding: .35rem .6rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.18);
    font-weight: 600;
    opacity: .95;
    display: inline-block;
}

.tab:hover {
    background: rgba(255,255,255,.08);
}

.lang {
    display: flex;
    align-items: center;
    gap: .4rem;
}

.langSelect {
    background: transparent;
    color: var(--ink);
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 999px;
    padding: .25rem .5rem;
    font-weight: 600;
}
.langSelect option {
    background: var(--bg-3);
}

/* Main feed */
main {
    background: var(--feed-bg);
}

.muted { opacity: .8; }

#sentinel.sentinel {
    display: block;
    height: 1px;     /* keeps IntersectionObserver working */
    margin: 0;
    padding: 0;
    overflow: hidden;
    color: transparent;
}

/* Cards */
.post {
 /* background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1); */
    border-radius: 16px;
    padding: 1rem 1.2rem;
 /* box-shadow: 0 10px 30px rgba(0,0,0,.18); */
 /* scroll-margin-top: var(--topbar-h); already in html */
}

.post .meta {
    font-size: .85rem;
    opacity: .85;
    margin-bottom: .75rem;
}

.post .content h1 {
    font-family: "Cinzel", serif;
    font-weight: 600;
    letter-spacing: .03em;
    margin: .2rem 0 1rem;
    color: rgba(255,255,255,.98);
    text-shadow: 0 1px 2px rgba(0,0,0,.35), 0 0 18px rgba(255,255,255,.12);
}

.post .content h2,
.post .content h3,
.post .content h4,
.post .content h5,
.post .content h6 {
    font-weight: 400;
    font-size: 141%;
    opacity: .92;
    margin: 1.25rem 0 .5rem;
}

.post .media {
    margin: .75rem 0 0 0;
    border-radius: 12px;
    overflow: hidden;
}

.post .media img {
    width: 100%;
    display: block;
}

/* Helpers */
.center { text-align: center; }
.js-hidden { display: none; }