:root {
  --accent: #a2175f;
  --accent-dark: #7f1049;
  --accent-soft: #fbeef5;
  --text: #4a4a4a;
  --heading: #2b2b2b;
  --grey-bg: #f7f5f6;
  --line: #e8e3e6;
  --radius: 6px;
  --shadow: 0 10px 30px rgba(60, 10, 35, .08);
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }

body {
  margin: 0;
  font-family: "Catamaran", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-dark); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

h1, h2, h3, h4 { color: var(--heading); font-weight: 600; line-height: 1.25; margin: 0; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #fff; padding: 8px 14px; z-index: 100; }
.skip-link:focus { left: 8px; color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(60, 10, 35, .08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; padding-bottom: 12px; transition: padding .3s; }
.header-right { display: flex; align-items: center; gap: 22px; }
.site-header.scrolled .header-inner { padding-top: 6px; padding-bottom: 6px; }
.logo img { width: 128px; transition: width .3s; }
.site-header.scrolled .logo img { width: 96px; }

.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 6px; }
.main-nav a {
  position: relative; display: block; padding: 8px 16px;
  font-size: 15px; font-weight: 600; letter-spacing: .3px; color: var(--heading);
}
.main-nav a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.main-nav a:hover, .main-nav a.active { color: var(--accent); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--heading); margin: 6px 0; transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }


/* ---------- Buttons ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn, .btn-outline {
  display: inline-block; font: inherit; font-size: 13px; font-weight: 700;
  letter-spacing: 1.6px; text-transform: uppercase; line-height: 1.4;
  padding: 13px 30px; border-radius: var(--radius); cursor: pointer;
  transition: background .2s, color .2s, transform .2s, box-shadow .2s;
}
.btn { background: var(--accent); color: #fff; border: 2px solid var(--accent); }
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(162, 23, 95, .3); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent); color: #fff; }
.btn-outline { background: #fff; color: var(--accent); border: 2px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 560px; display: flex; align-items: flex-end; overflow: hidden; background-color: #333; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: inherit; background-size: cover; background-position: center;
  animation: kenburns 24s ease-in-out infinite alternate;
}
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(30, 5, 20, .62), rgba(30, 5, 20, 0) 60%); }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.08); } }
.hero .container { position: relative; z-index: 1; padding-bottom: 56px; }
.hero-box {
  max-width: 560px; color: #fff;
  background: rgba(20, 8, 15, .5); backdrop-filter: blur(6px);
  border-left: 5px solid var(--accent);
  padding: 26px 32px 30px; border-radius: 0 var(--radius) var(--radius) 0;
  animation: fadeUp 1s .2s both;
}
.hero-box h1 { color: #fff; font-size: clamp(30px, 4.5vw, 44px); font-weight: 600; margin-bottom: 8px; }
.hero-box p { margin: 0; font-size: 18px; line-height: 1.5; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

/* ---------- Intro ---------- */
.intro { padding: 90px 0; }
.intro-inner { display: flex; gap: 72px; align-items: center; }
.intro-text { flex: 1 1 0; }
.intro-text h2 { font-size: 38px; margin-bottom: 18px; }
.intro-text h2::after { content: ""; display: block; width: 56px; height: 3px; background: var(--accent); margin-top: 14px; }
.intro-text p { margin: 0 0 30px; }
.intro-photo { margin: 0; flex: 0 0 330px; position: relative; }
.intro-photo::before {
  content: ""; position: absolute; inset: 18px -18px -18px 18px;
  border: 3px solid var(--accent); border-radius: var(--radius); z-index: 0;
}
.intro-photo img { position: relative; z-index: 1; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; object-position: top; border-radius: var(--radius); box-shadow: var(--shadow); }

/* ---------- Lessen / tabs ---------- */
.lessen { background: var(--grey-bg); padding: 80px 0; }
.lessen-inner { display: flex; gap: 40px; align-items: flex-start; }
.tab-list { list-style: none; margin: 0; padding: 0; flex: 0 0 240px; }
.tab-list li + li { margin-top: 6px; }
.tab-list button {
  width: 100%; text-align: left; cursor: pointer; font: inherit;
  font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--heading);
  background: transparent; border: 0; border-left: 4px solid transparent;
  padding: 14px 18px; border-radius: 0 var(--radius) var(--radius) 0;
  transition: background .2s, color .2s, border-color .2s;
}
.tab-list button:hover { background: #fff; color: var(--accent); }
.tab-list button.active { background: #fff; color: var(--accent); border-left-color: var(--accent); box-shadow: var(--shadow); }
.tab-panels { flex: 1 1 0; min-width: 0; background: #fff; padding: 44px 48px; border-radius: var(--radius); box-shadow: var(--shadow); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.tab-panel h2 { font-size: 32px; margin-bottom: 8px; }
.tab-panel h4 { font-size: 17px; color: var(--accent); margin: 26px 0 8px; }
.tab-panel p { margin: 0 0 14px; }
.tab-panel ol { margin: 0; padding-left: 22px; }
.tab-panel li { margin-bottom: 6px; }

.spacer { height: 0; }

/* ---------- Inner pages ---------- */
.top-bar { background: linear-gradient(135deg, var(--accent-soft), var(--grey-bg)); border-bottom: 1px solid var(--line); padding: 44px 0 38px; }
.page-title { font-size: clamp(32px, 5vw, 46px); }
.page-title::after { content: ""; display: block; width: 56px; height: 3px; background: var(--accent); margin-top: 12px; }
.content-wrap { display: flex; gap: 64px; align-items: flex-start; padding-top: 60px; padding-bottom: 90px; }
.content-main { flex: 1 1 0; min-width: 0; }
.content-main p { margin: 0 0 18px; }
.content-main h3 { font-size: 22px; margin: 28px 0 8px; }

.sidebar { flex: 0 0 300px; }
.sidebar h2 { font-size: 24px; margin: 0 0 14px; }
.sidebar p { margin: 0 0 24px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.sidebar iframe { border: 0; display: block; width: 100%; margin-bottom: 24px; border-radius: var(--radius); box-shadow: var(--shadow); aspect-ratio: 1 / 1; }
.sidebar iframe[src*="youtube"] { aspect-ratio: 16 / 9; }

.table-wrap { overflow-x: auto; margin-bottom: 16px; border-radius: var(--radius); box-shadow: var(--shadow); }
.lessen-table { width: 100%; border-collapse: collapse; font-size: 16px; background: #fff; }
.lessen-table th, .lessen-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.lessen-table th { background: var(--accent); color: #fff; font-weight: 600; letter-spacing: .5px; }
.lessen-table tbody tr:hover { background: var(--accent-soft); }
.lessen-table tbody tr:last-child td { border-bottom: 0; }

.link-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.link-list a {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 16px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  font-weight: 600; transition: border-color .2s, transform .2s, box-shadow .2s;
}
.link-list a::after { content: "\2197"; font-size: 18px; opacity: .6; }
.link-list a:hover { border-color: var(--accent); transform: translateX(4px); box-shadow: var(--shadow); }

.contact-form label { display: block; margin: 0 0 6px; font-weight: 600; color: var(--heading); }
.contact-form input, .contact-form textarea {
  display: block; width: 100%; margin-bottom: 24px; padding: 13px 16px;
  font: inherit; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--heading);
  transition: border-color .2s, box-shadow .2s;
}
.contact-form input:focus, .contact-form textarea:focus { outline: 0; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(162, 23, 95, .12); }
.contact-form .hp { position: absolute; left: -9999px; }
.form-msg { padding: 14px 18px; border-radius: var(--radius); font-weight: 600; margin-bottom: 24px; }
.form-msg.ok { background: #e9f6ee; color: #1d6b3a; }
.form-msg.error { background: #fdecec; color: #a12727; }

/* ---------- Social icons ---------- */
.social-networks { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; }
.social-networks a {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent-soft); transition: background .2s, transform .2s, box-shadow .2s;
}
.social-networks svg { width: 17px; height: 17px; fill: var(--accent); display: block; transition: fill .2s; }
.social-networks a:hover { background: var(--accent); transform: translateY(-2px); box-shadow: 0 6px 14px rgba(162, 23, 95, .3); }
.social-networks a:hover svg { fill: #fff; }
.header-right .social-networks { padding-left: 22px; border-left: 1px solid var(--line); }

/* ---------- Footer ---------- */
.site-footer { background: var(--grey-bg); padding: 56px 0 26px; border-top: 1px solid var(--line); text-align: center; }
.art { display: flex; align-items: flex-end; justify-content: center; gap: clamp(48px, 12vw, 150px); }
.art img { height: 100px; width: auto; }
.footer-b { display: flex; flex-direction: column; align-items: center; gap: 14px; border-top: 1px solid var(--line); margin-top: 40px; padding-top: 28px; }
.footer-b .social-networks { justify-content: center; }
.copyright { margin: 0; font-size: 15px; }
.credit { margin: 0; font-size: 12px; opacity: .6; transition: opacity .2s; }
.credit:hover { opacity: 1; }
.credit a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.credit a:hover { color: var(--accent); }

.to-top {
  position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; z-index: 40;
  border: 0; border-radius: 50%; background: var(--accent); color: #fff; font-size: 20px; cursor: pointer;
  box-shadow: 0 8px 20px rgba(162, 23, 95, .35); transition: transform .2s, opacity .3s;
}
.to-top:hover { transform: translateY(-3px); }
.to-top[hidden] { display: none; }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- Mobile ---------- */
@media (max-width: 860px) {
  body { font-size: 16px; }
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); box-shadow: 0 12px 24px rgba(0, 0, 0, .08); display: none;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 8px 12px; }
  .main-nav a { padding: 14px 12px; }
  .main-nav a::after { display: none; }
  .logo img, .site-header.scrolled .logo img { width: 100px; }
  .art img { height: 76px; }

  .hero { min-height: 440px; }
  .intro { padding: 56px 0; }
  .intro-inner { flex-direction: column-reverse; gap: 44px; align-items: stretch; }
  .intro-photo { flex-basis: auto; max-width: 340px; margin: 0 18px 0 0; }
  .lessen { padding: 56px 0; }
  .lessen-inner { flex-direction: column; gap: 20px; }
  .tab-list { flex-basis: auto; width: 100%; display: flex; flex-wrap: wrap; gap: 6px; }
  .tab-list li + li { margin-top: 0; }
  .tab-list button { border-left: 0; border-bottom: 3px solid transparent; border-radius: var(--radius); background: #fff; padding: 10px 14px; }
  .tab-list button.active { border-bottom-color: var(--accent); }
  .tab-panels { padding: 28px 22px; }
  .content-wrap { flex-direction: column; align-items: stretch; gap: 40px; padding-top: 40px; padding-bottom: 60px; }
  .sidebar { flex-basis: auto; width: 100%; }
  .header-right .social-networks { display: none; }
}