/* SPDX-License-Identifier: GPL-3.0-or-later */
:root {
  font-family: Arial, Helvetica, sans-serif;
  color: #203234;
  background: #f6f8f8;
  font-synthesis: none;
  --blue: #00675f;
  --border: #d5e1e0;
  --glass: rgba(255, 255, 255, .74);
  --shadow: 0 16px 50px #2448430d, inset 0 1px 0 #fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body {
  margin: 0;
  background: radial-gradient(ellipse 75% 700px at 5% 8%, #dceee9 0, transparent 80%),
    radial-gradient(ellipse 65% 700px at 100% 17%, #e8e4f3 0, transparent 80%),
    radial-gradient(ellipse 70% 650px at 25% 60%, #e7eeef 0, transparent 80%);
}
a { color: var(--blue); text-underline-offset: 4px; }
a:hover { text-decoration: underline; }
a:focus-visible, summary:focus-visible { outline: 3px solid #007b70; outline-offset: 5px; }
img { max-width: 100%; height: auto; }
p { font-size: 17px; line-height: 1.65; margin: 18px 0; }
.header {
  max-width: 1200px; margin: 20px auto 0; padding: 16px 28px;
  display: flex; align-items: center; justify-content: space-between;
  border: 1px solid #fff; border-radius: 999px; background: var(--glass);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); box-shadow: var(--shadow);
}
.brand { display: flex; align-items: center; gap: 11px; color: #203234; font-weight: 600; font-size: 21px; text-decoration: none; }
.brand img { width: 32px; height: 32px; }
.header nav { display: flex; gap: 28px; font-size: 14px; }
.header nav a { color: #334a4a; text-decoration: none; }
.header nav a:hover { text-decoration: underline; }
.hero { text-align: center; padding: 68px 5% 0; }
.app-icon { display: block; margin: auto; }
h1 { font-size: 64px; letter-spacing: -2px; font-weight: 600; line-height: 1.12; margin: 19px 0 12px; }
.lead { font-size: 27px; margin: 0; }
.description { margin: 17px auto 26px; max-width: 620px; font-size: 18px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  padding: 14px 25px; background: var(--blue); color: white; text-decoration: none;
  font-weight: 600; font-size: 15px; border: 1px solid #00675f;
  border-radius: 999px; min-height: 48px; box-shadow: 0 5px 14px #00675f18, inset 0 1px 0 #ffffff30;
}
.button:hover { background: #00534d; border-color: #00534d; text-decoration: underline; }
.hero-shot { max-width: 1120px; margin: 50px auto 0; }
.hero-shot img, .theme-pair img, .feature-row figure img {
  display: block; width: 100%; border-radius: 1.5% / 2.1%;
  filter: drop-shadow(0 16px 20px #233c4b22);
}
figcaption, .caption { font-size: 12px; line-height: 1.6; color: #526364; margin: 20px 0 0; }
.section-nav {
  display: flex; justify-content: center; gap: 10px; padding: 8px;
  border: 1px solid white; border-radius: 999px; background: var(--glass);
  box-shadow: var(--shadow); margin: 32px auto 0; width: fit-content; font-size: 15px;
}
.section-nav a { color: #304747; padding: 10px 24px; border-radius: 999px; text-decoration: none; }
.section-nav a:hover { background: #e2efeb; text-decoration: underline; }
.section { max-width: 1240px; margin: 30px auto; padding: 66px 60px; }
h2 { font-size: 36px; line-height: 1.2; letter-spacing: -.8px; font-weight: 600; margin: 0 0 18px; }
h3 { font-size: 20px; line-height: 1.3; font-weight: 600; margin: 20px 0 10px; }
.tools { text-align: center; }
.section-intro { max-width: 730px; margin: 0 auto 45px; }
.tool-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.tool-grid article p { font-size: 15px; line-height: 1.65; margin: 0; }
.tool-grid img { height: 36px; width: 36px; }
.theme-preview, .brushes, .download {
  text-align: center; background: var(--glass); border: 1px solid white;
  border-radius: 36px; box-shadow: var(--shadow);
}
.theme-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 36px; }
.theme-pair figure { margin: 0; }
.section-heading p { margin: 0; }
.brush-display { display: grid; grid-template-columns: repeat(3, 1fr); gap: 55px; max-width: 900px; margin: 25px auto 0; }
.brush-display svg { display: block; width: 100%; height: auto; }
.brush-display span { font-size: 15px; }
.brushes .caption { margin-top: 30px; }
.feature-row { display: grid; grid-template-columns: .85fr 1.4fr; gap: 7%; align-items: center; }
.feature-copy p { font-size: 17px; }
.feature-copy > a { display: inline-block; margin-top: 8px; font-weight: 600; font-size: 15px; text-decoration: none; }
.feature-row figure { margin: 0; }
.feature-row.reverse { grid-template-columns: 1.4fr .85fr; }
.reverse .feature-copy { grid-column: 2; grid-row: 1; }
.reverse figure { grid-column: 1; grid-row: 1; }
.download { background: linear-gradient(135deg, #e7f2edc9, #f2eff9e0); }
.download > img { margin-bottom: 20px; }
.download-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 1100px; margin: 35px auto 0; }
.download-options h3 { margin: 0 0 14px; font-size: 23px; }
.download-options p { font-size: 16px; min-height: 80px; margin-bottom: 22px; }
.outline { color: var(--blue); background: #ffffffa6; border-color: #bad3cf; }
.outline:hover { background: white; color: #00534d; }
.download-note { font-size: 12px; margin: 35px auto 0; color: #526364; }
.faq h2 { text-align: center; margin-bottom: 40px; }
.faq details { border: 1px solid #fff; border-radius: 22px; padding: 23px 26px; margin: 12px 0; background: var(--glass); box-shadow: 0 4px 15px #24484305; }
summary { position: relative; list-style: none; font-size: 18px; font-weight: 600; cursor: pointer; padding-right: 35px; }
summary::-webkit-details-marker { display: none; }
summary:after { content: '+'; position: absolute; right: 6px; top: -3px; font-size: 25px; font-weight: 400; }
details[open] summary:after { content: '−'; }
.faq details p { max-width: 900px; font-size: 16px; margin-bottom: 0; }
footer { max-width: 1240px; margin: 0 auto 20px; border-radius: 28px; background: #ffffff80; padding: 28px 36px; display: flex; justify-content: space-between; gap: 25px; font-size: 12px; line-height: 1.7; color: #526364; }
footer div { display: flex; gap: 25px; flex-wrap: wrap; }
footer a { color: #526364; }
.skip { position: absolute; top: -100px; left: 20px; background: white; padding: 15px; border-radius: 20px; z-index: 10; }
.skip:focus { top: 10px; }
@media (max-width: 1280px) {
  .header { margin: 16px 24px 0; }
  .section, footer { margin-left: 24px; margin-right: 24px; }
}
@media (max-width: 800px) {
  .header { padding: 16px 22px; }
  .header nav { gap: 20px; }
  .hero { padding: 45px 24px 0; }
  h1 { font-size: 50px; }
  .section { padding: 45px 28px; border-radius: 28px; }
  h2 { font-size: 29px; }
  .tool-grid { grid-template-columns: 1fr 1fr; gap: 35px 25px; }
  .theme-pair, .feature-row, .feature-row.reverse { grid-template-columns: 1fr; gap: 30px; }
  .reverse .feature-copy, .reverse figure { grid-column: auto; grid-row: auto; }
  .download-options { grid-template-columns: 1fr; gap: 28px; }
  .download-options p { min-height: 106px; }
  footer { flex-direction: column; gap: 14px; }
}
@media (max-width: 480px) {
  .header { margin: 12px 14px 0; padding: 16px 20px; gap: 16px; flex-wrap: wrap; border-radius: 26px; }
  .header nav { gap: 20px; font-size: 13px; }
  .brand { font-size: 19px; }
  .hero { padding: 36px 18px 0; }
  .lead { font-size: 22px; }
  .description { font-size: 16px; }
  .app-icon { width: 64px; height: 64px; }
  h1 { font-size: 46px; }
  .hero-shot { margin-top: 35px; }
  .hero-shot figcaption { font-size: 10px; }
  .section-nav { gap: 0; font-size: 13px; padding: 6px; }
  .section-nav a { padding: 10px 16px; }
  .section { margin: 24px 14px; padding: 35px 20px; }
  .feature-row { padding-left: 4px; padding-right: 4px; }
  .feature-copy { padding: 0 16px; }
  .tool-grid { gap: 30px 20px; }
  .tool-grid h3 { font-size: 18px; }
  .tool-grid article p { font-size: 14px; }
  .brush-display { gap: 12px; }
  .brush-display span { font-size: 13px; }
  .download-options { grid-template-columns: 1fr; gap: 36px; }
  .download-options p { min-height: 0; }
  summary { font-size: 16px; }
  .faq { padding-left: 4px; padding-right: 4px; }
  .faq h2 { text-align: left; padding-left: 16px; }
  .faq details { padding: 20px; }
  footer { margin: 14px; padding: 24px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.external-link-icon { display: inline-block; width: 1em; height: 1em; flex-shrink: 0; vertical-align: -0.125em; }