/* =====================================================================
   O nás — nature-inspired redesign
   Soul of the school: nature, harmony, growth. Green & brown tones.
   All styles scoped under .onas to avoid clashing with nicepage.
   ===================================================================== */

.onas {
  --green-900: #1e3626;
  --green-800: #274733;
  --green-700: #315a41;
  --green-600: #3d6b4c;
  --green-500: #4f8161;
  --green-300: #8aa889;
  --green-100: #dbe6d6;

  --brown-800: #43301f;
  --brown-600: #6b4c34;
  --brown-500: #8a6a4a;
  --brown-300: #bfa588;

  --cream: #f8f5ee;
  --sand: #efe8da;
  --sand-deep: #e6dcc8;
  --paper: #fffdf8;

  --ink: #2c2a24;
  --ink-soft: #55524a;
  --ink-faint: #7c786e;

  --radius-lg: 26px;
  --radius: 18px;
  --radius-sm: 12px;
  --pill: 999px;

  --shadow-sm: 0 4px 16px rgba(30, 54, 38, 0.08);
  --shadow: 0 14px 40px rgba(30, 54, 38, 0.12);
  --shadow-lg: 0 26px 70px rgba(30, 54, 38, 0.18);

  --maxw: 1120px;
  --sec-pad: clamp(64px, 9vw, 120px);

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Open Sans", "Segoe UI", sans-serif;

  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.onas *,
.onas *::before,
.onas *::after { box-sizing: border-box; }

.onas img { max-width: 100%; display: block; }

.onas .wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: clamp(20px, 5vw, 48px);
  padding-right: clamp(20px, 5vw, 48px);
}

/* ---------- Shared section heading ---------- */
.onas .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-600);
}
.onas .eyebrow .leaf { width: 18px; height: 18px; fill: var(--green-500); flex: none; }

.onas .section-title {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--green-900);
  margin: 0 0 18px;
  font-size: clamp(2rem, 4.4vw, 3.25rem);
}
.onas .section-lead {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: var(--ink-soft);
}
.onas .center { text-align: center; }
.onas .center .eyebrow,
.onas .center .section-lead { margin-left: auto; margin-right: auto; }

/* =====================================================================
   HERO
   ===================================================================== */
.onas-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(120px, 20vh, 220px) 0 clamp(140px, 22vh, 240px);
  color: var(--cream);
  background:
    linear-gradient(180deg, rgba(24, 45, 30, 0.72) 0%, rgba(24, 45, 30, 0.55) 45%, rgba(31, 61, 40, 0.82) 100%),
    url('images/sheydanajafi_pridat%20se.jpg');
  background-size: cover;
  background-position: center 30%;
}
.onas-hero .wrap { position: relative; z-index: 2; text-align: center; }

.onas-hero .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  padding: 8px 18px;
  border-radius: var(--pill);
  background: rgba(248, 245, 238, 0.16);
  border: 1px solid rgba(248, 245, 238, 0.3);
  backdrop-filter: blur(4px);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.onas-hero .hero-eyebrow .leaf { width: 16px; height: 16px; fill: var(--green-100); }

.onas-hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 auto 22px;
  font-size: clamp(2.8rem, 8vw, 6rem);
  text-shadow: 0 6px 30px rgba(0, 0, 0, 0.35);
}
.onas-hero p {
  max-width: 40ch;
  margin: 0 auto;
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 300;
  line-height: 1.55;
  color: rgba(248, 245, 238, 0.94);
}

/* organic bottom edge */
.onas-hero .hero-wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: clamp(50px, 8vw, 110px);
  z-index: 2;
  display: block;
  fill: var(--cream);
}

/* =====================================================================
   VISION
   ===================================================================== */
.onas-vision {
  background: var(--cream);
  padding: var(--sec-pad) 0;
}
.onas-vision .vision-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}
.onas-vision .vision-copy p {
  margin: 0 0 18px;
  font-size: clamp(1.02rem, 1.5vw, 1.15rem);
  color: var(--ink-soft);
}
.onas-vision .vision-copy p:last-child { margin-bottom: 0; }
.onas-vision .vision-highlight {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem) !important;
  font-weight: 500;
  line-height: 1.35;
  color: var(--green-800) !important;
}
.onas-vision .vision-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
}
.onas-vision .vision-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.onas-vision .vision-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(30, 54, 38, 0.35));
}

/* =====================================================================
   TEAM
   ===================================================================== */
.onas-team {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(90% 70% at 50% -10%, rgba(61, 107, 76, 0.1), transparent 60%),
    linear-gradient(180deg, var(--sand-deep), var(--sand));
  padding: var(--sec-pad) 0;
}
.onas-team .team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 1.8vw, 24px);
  margin-top: clamp(40px, 5vw, 60px);
}
.onas .teacher-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 34px 20px 26px;
  background: var(--paper);
  border: 1px solid rgba(61, 107, 76, 0.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.onas .teacher-card::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 56px;
  height: 4px;
  border-radius: 0 0 6px 6px;
  background: linear-gradient(90deg, var(--green-500), var(--brown-400));
}
.onas .teacher-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(61, 107, 76, 0.28);
}
.onas .teacher-card .avatar {
  display: grid;
  place-items: center;
  width: 88px;
  height: 88px;
  margin-bottom: 18px;
  border-radius: var(--pill);
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--cream);
  background: linear-gradient(145deg, var(--green-600), var(--green-800));
  box-shadow: inset 0 0 0 4px rgba(248, 245, 238, 0.22), 0 8px 20px rgba(30, 54, 38, 0.22);
}
.onas .teacher-card:nth-child(4n+2) .avatar { background: linear-gradient(145deg, var(--brown-500), var(--brown-800)); }
.onas .teacher-card:nth-child(4n+3) .avatar { background: linear-gradient(145deg, var(--green-500), var(--brown-600)); }
.onas .teacher-card:nth-child(4n+4) .avatar { background: linear-gradient(145deg, var(--green-700), var(--green-900)); }
.onas .teacher-card .t-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--green-900);
}
.onas .teacher-card .t-role {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 12px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--pill);
  background: var(--green-700);
  color: var(--cream);
}
.onas .teacher-card .t-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 16px;
}
.onas .teacher-card .t-tag {
  padding: 4px 11px;
  font-size: 0.76rem;
  font-weight: 600;
  border-radius: var(--pill);
  background: var(--green-100);
  color: var(--green-800);
}

/* =====================================================================
   OPENING (flyer)
   ===================================================================== */
.onas-opening {
  background: var(--cream);
  padding: var(--sec-pad) 0;
}
.onas-opening .opening-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: stretch;
  padding: clamp(28px, 4vw, 56px);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(138, 168, 137, 0.22), transparent 55%),
    linear-gradient(150deg, var(--green-800), var(--green-900));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  color: var(--cream);
  overflow: hidden;
  position: relative;
}
/* botanical watermark fills the panel so it never feels empty */
.onas-opening .opening-panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 420px;
  height: 420px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%238aa889'%3E%3Cpath d='M20 3s-1 12-9 15c-5.5 2.1-8 3-8 3s.5-3 2-7C7.5 6 20 3 20 3z'/%3E%3C/svg%3E") no-repeat center / contain;
  opacity: 0.12;
  transform: rotate(-12deg);
  pointer-events: none;
}
.onas-opening .opening-figure {
  position: relative;
  z-index: 1;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.onas-opening .opening-figure img {
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.4);
}
.onas-opening .opening-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.onas-opening .opening-copy .eyebrow { color: var(--green-300); }
.onas-opening .opening-copy .eyebrow .leaf { fill: var(--green-300); }
.onas-opening .opening-copy h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4.2vw, 3.15rem);
  line-height: 1.08;
  margin: 0 0 16px;
  color: var(--cream);
}
.onas-opening .opening-copy .lead {
  margin: 0 0 26px;
  color: rgba(248, 245, 238, 0.85);
  font-size: 1.08rem;
  max-width: 46ch;
}
.onas-opening .opening-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.onas-opening .opening-facts li {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid rgba(248, 245, 238, 0.16);
}
.onas-opening .opening-facts li:last-child { border-bottom: 1px solid rgba(248, 245, 238, 0.16); }
.onas-opening .opening-facts .fact-ic {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: rgba(248, 245, 238, 0.1);
  border: 1px solid rgba(248, 245, 238, 0.18);
}
.onas-opening .opening-facts .fact-ic .leaf { width: 22px; height: 22px; fill: var(--green-300); }
.onas-opening .opening-facts .fact-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-300);
  margin-bottom: 3px;
}
.onas-opening .opening-facts .fact-value {
  font-size: 1.1rem;
  color: rgba(248, 245, 238, 0.95);
}
.onas-opening .opening-facts strong { color: #fff; font-weight: 700; }
.onas-opening .opening-cal {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.onas-opening .cal-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 22px;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}
.onas-opening .cal-btn .leaf { width: 18px; height: 18px; flex: none; }
.onas-opening .cal-btn-primary {
  background: var(--green-300);
  color: var(--green-900);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.28);
}
.onas-opening .cal-btn-primary .leaf { fill: var(--green-900); }
.onas-opening .cal-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.34);
  background: #fff;
}
.onas-opening .cal-btn-ghost {
  background: rgba(248, 245, 238, 0.08);
  color: var(--cream);
  border: 1px solid rgba(248, 245, 238, 0.28);
}
.onas-opening .cal-btn-ghost:hover {
  transform: translateY(-2px);
  background: rgba(248, 245, 238, 0.16);
  border-color: rgba(248, 245, 238, 0.5);
}

/* =====================================================================
   JOIN (koho hledáme)
   ===================================================================== */
.onas-join {
  background:
    radial-gradient(120% 60% at 50% 100%, rgba(219, 230, 214, 0.6), transparent 60%),
    var(--sand);
  padding: var(--sec-pad) 0;
}
.onas-join .join-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2.4vw, 30px);
  margin-top: clamp(40px, 5vw, 60px);
}
.onas .join-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(30px, 3.5vw, 46px);
  background: var(--paper);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(61, 107, 76, 0.12);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.onas .join-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(var(--green-500), var(--brown-500));
}
.onas .join-card::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 150px;
  height: 150px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%233d6b4c'%3E%3Cpath d='M20 3s-1 12-9 15c-5.5 2.1-8 3-8 3s.5-3 2-7C7.5 6 20 3 20 3z'/%3E%3C/svg%3E") no-repeat center / contain;
  opacity: 0.06;
  transform: rotate(18deg);
}
.onas .join-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(61, 107, 76, 0.28);
}
.onas .join-card .join-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.onas .join-card .join-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  flex: none;
  border-radius: 18px;
  background: linear-gradient(150deg, var(--green-100), #eef2ea);
  box-shadow: inset 0 0 0 1px rgba(61, 107, 76, 0.14);
}
.onas .join-card .join-icon .leaf { width: 30px; height: 30px; fill: var(--green-700); }
.onas .join-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 1.9rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--green-900);
  margin: 0;
}
.onas .join-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

/* =====================================================================
   SUPPORT (letter + account + partners)
   ===================================================================== */
.onas-support {
  background: var(--cream);
  padding: var(--sec-pad) 0;
}
.onas-support .support-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
  margin-top: clamp(30px, 4vw, 48px);
}
.onas-support .letter {
  background: var(--paper);
  border: 1px solid rgba(61, 107, 76, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: clamp(26px, 3.5vw, 46px);
}
.onas-support .letter p {
  margin: 0 0 15px;
  color: var(--ink-soft);
  font-size: 1.02rem;
}
.onas-support .letter p:first-child {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--green-800);
  margin-bottom: 18px;
}
.onas-support .letter strong { color: var(--ink); }
.onas-support .letter ul {
  margin: 4px 0 18px;
  padding-left: 22px;
  color: var(--ink-soft);
}
.onas-support .letter ul li { margin-bottom: 8px; }
.onas-support .letter-figure {
  margin: 26px 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.onas-support .letter-figure img { width: 100%; height: auto; }
.onas-support .letter-figure figcaption {
  padding: 10px 14px;
  font-size: 0.75rem;
  color: var(--ink-faint);
  background: var(--sand);
  text-align: right;
}
.onas-support .letter .thanks {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--green-700);
  margin-top: 6px;
}

/* sticky donate aside */
.onas-support .support-aside {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 22px;
}
.onas .donate-card {
  padding: 30px 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--green-700), var(--green-900));
  color: var(--cream);
  box-shadow: var(--shadow);
}
.onas .donate-card .eyebrow { color: var(--green-300); }
.onas .donate-card .eyebrow .leaf { fill: var(--green-300); }
.onas .donate-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.6rem;
  margin: 0 0 8px;
  color: #fff;
}
.onas .donate-card p { margin: 0 0 18px; color: rgba(248, 245, 238, 0.85); font-size: 0.98rem; }
.onas .donate-card .account {
  background: rgba(248, 245, 238, 0.12);
  border: 1px solid rgba(248, 245, 238, 0.2);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}
.onas .donate-card .account .label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-300);
  margin-bottom: 3px;
}
.onas .donate-card .account .value {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  word-break: break-word;
}
.onas .donate-card .account .value.small { font-size: 0.95rem; font-weight: 600; line-height: 1.4; }
.onas .donate-card .account + .account { margin-top: 12px; }

/* partners */
.onas .partners-card {
  padding: 26px 24px 30px;
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 1px solid rgba(61, 107, 76, 0.12);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.onas .partners-card .partners-thanks {
  margin: 0 0 20px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.onas .partners-logos {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.onas .partners-logos .p-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 84px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--sand);
}
.onas .partners-logos img { max-height: 64px; width: auto; object-fit: contain; }

/* =====================================================================
   FOOTER (page-scoped nature theme)
   ===================================================================== */
#footer.u-footer {
  background-color: var(--green-900) !important;
  padding: 44px 20px !important;
}
#footer .footer-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  font-weight: 400;
  font-style: italic;
  color: var(--green-100);
  margin: 0 auto;
  max-width: 40ch;
  line-height: 1.5;
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 1080px) {
  .onas-team .team-grid { grid-template-columns: repeat(2, 1fr); gap: clamp(16px, 2.4vw, 24px); }
}

@media (max-width: 900px) {
  .onas-vision .vision-grid { grid-template-columns: 1fr; }
  .onas-vision .vision-media { aspect-ratio: 16 / 10; order: -1; }
  .onas-join .join-grid { grid-template-columns: 1fr; }
  .onas-opening .opening-panel { grid-template-columns: 1fr; }
  .onas-opening .opening-figure { order: -1; }
  .onas-opening .opening-figure img { max-width: 300px; }
  .onas-opening .opening-panel::after { width: 300px; height: 300px; right: -50px; bottom: -60px; }
  .onas-support .support-grid { grid-template-columns: 1fr; }
  .onas-support .support-aside { position: static; }
}

@media (max-width: 600px) {
  .onas-hero { padding: clamp(96px, 24vh, 150px) 0 clamp(90px, 16vh, 140px); }
  .onas .teacher-card { padding: 28px 16px 22px; }
  .onas-opening .opening-panel { padding: 26px 22px; }
  .onas .join-card { padding: 28px 24px; }
  .onas-support .letter { padding: 24px 20px; }
  .onas-opening .opening-facts .fact-value { font-size: 1rem; }
}

@media (max-width: 420px) {
  .onas-team .team-grid { grid-template-columns: 1fr; }
}

/* reveal-on-scroll */
.onas [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.onas [data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .onas [data-reveal] { opacity: 1; transform: none; transition: none; }
}