/*
Website source code of Mass Collaboration Labs

Copyright (C) 2026 Mass Collaboration Labs

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
:root {
  color-scheme: light;
  --theme-primary: #143b68;
  --theme-secondary: #2378a8;
  --theme-gradient: linear-gradient(155deg, var(--theme-primary), var(--theme-secondary));
  --link-color: #2378a8;
  --border-color: rgba(35, 120, 168, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #212529;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: var(--link-color);
}

a:hover {
  color: var(--theme-primary);
}

.page {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.site-container {
  width: min(100% - 2rem, 1320px);
  margin-inline: auto;
}

.theme-bar {
  background: var(--theme-gradient);
  color: #fff;
}

.site-header,
.site-footer {
  padding: 0.75rem 0;
  text-align: center;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 400;
}

.site-title a,
.site-footer a {
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.login-link {
  text-decoration: none;
}

.language-toggle {
  padding: 0.4rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 0.375rem;
  background: transparent;
  color: #fff;
  font: inherit;
  cursor: pointer;
}

.language-toggle:hover,
.language-toggle:focus-visible {
  background: #fff;
  color: var(--theme-primary);
}

.site-main {
  flex: 1;
  margin-block: 1.5rem;
}

.page-grid {
  display: grid;
  grid-template-areas:
    "content"
    "ad";
  gap: 1rem;
}

.content {
  grid-area: content;
  min-width: 0;
  text-align: center;
}

.sidebar-column {
  grid-area: ad;
}

.ad-banner {
  display: flex;
  min-height: 280px;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  overflow: hidden;
  padding: 1rem;
  border-radius: 0.375rem;
  background: var(--theme-gradient);
  color: #fff;
  text-decoration: none;
}

.ad-banner:hover,
.ad-banner:focus-visible {
  color: #ffeb8a;
}

.ad-logo {
  align-self: flex-start;
  padding: 0.45rem 0.6rem;
  border-radius: 0.4rem;
  background: #fff;
}

.ad-logo img {
  display: block;
  width: 110px;
  height: auto;
}

.ad-kicker {
  margin: auto 0 0;
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0.8;
}

.ad-banner h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 400;
}

.ad-banner > p:not(.ad-kicker) {
  margin: 0;
}

.ad-callout {
  padding-top: 0.75rem;
  border-top: 1px solid currentColor;
  font-size: 0.8rem;
  font-weight: 600;
}

.brand-heading {
  margin: 0 0 0.5rem;
}

.brand-logo {
  display: block;
  width: 120px;
  height: 120px;
  margin-inline: auto;
}

.brand-name {
  margin: 0 0 1rem;
}

.mission-box {
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
}

.mission-box p {
  margin: 0;
}

.intro-copy {
  margin: 1rem 0;
}

.primary-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin: 1rem 0;
}

.action-link {
  display: inline-block;
  padding: 0.6rem 1rem;
  border: 1px solid var(--theme-primary);
  border-radius: 0.375rem;
  background: var(--theme-primary);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.action-link:hover,
.action-link:focus-visible {
  background: var(--theme-secondary);
  color: #fff;
}

.action-link-secondary {
  background: #fff;
  color: var(--theme-primary);
}

.action-link-secondary:hover,
.action-link-secondary:focus-visible {
  background: #eef5fa;
  color: var(--theme-primary);
}

.video-note {
  margin: 1rem 0 0.5rem;
  font-size: 0.9rem;
}

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.site-footer small {
  font-size: 0.875em;
}

@media (min-width: 992px) {
  .page-grid {
    grid-template-areas: "content ad";
    grid-template-columns: minmax(0, 4fr) minmax(0, 1fr);
    gap: 1rem;
  }

  .sidebar-column,
  .content {
    min-height: 70vh;
  }

  .ad-banner {
    height: 100%;
  }
}