:root {
  --cream: #f7f5e1;
  --paper: #fffef7;
  --ink: #171717;
  --coal: #404040;
  --muted: #6b6a62;
  --line: rgba(23, 23, 23, 0.18);
  --blue: #000b8b;
  --blue-bright: #2837bb;
  --white: #ffffff;
  --shadow: 0 18px 55px rgba(22, 22, 19, 0.13);
  --radius: 24px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 100px; scrollbar-gutter: stable; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.32;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }

.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--ink);
  color: var(--white);
}

.skip-link:focus { top: 16px; }

.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 245, 225, 0.92);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.brand__mark {
  width: 116px;
  height: 44px;
  overflow: hidden;
  flex: 0 0 auto;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: var(--ink);
  box-shadow: 0 3px 9px rgba(23, 23, 23, 0.18);
}

.brand__mark img { width: 100%; height: 100%; object-fit: cover; object-position: 27% center; }

.nav__links { display: flex; align-items: center; gap: clamp(18px, 3vw, 36px); }
.nav__links > a:not(.button) { font-size: 0.95rem; font-weight: 700; text-decoration: none; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--blue); }
.nav__links .button, .nav__links .button:hover { color: var(--white); }

.nav-menu { position: relative; }
.nav-menu__trigger { display: flex; align-items: center; padding: 10px 0; color: var(--ink); font-size: 0.95rem; font-weight: 700; text-decoration: none; }
.nav-menu__panel { position: absolute; top: 100%; right: 0; width: min(310px, calc(100vw - 28px)); padding: 10px; border: 1px solid var(--ink); border-radius: 18px; background: var(--paper); box-shadow: var(--shadow); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(8px); transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease; }
.nav-menu:hover .nav-menu__panel, .nav-menu:focus-within .nav-menu__panel { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.nav-menu__panel a { display: block; padding: 11px 13px; border-radius: 11px; font-size: 0.9rem; font-weight: 800; line-height: 1.3; text-decoration: none; }
.nav-menu__panel a:hover, .nav-menu__panel a[aria-current="page"] { background: var(--cream); color: var(--blue); }

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
  line-height: 1.15;
  text-decoration: none;
  cursor: pointer;
}

.button:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(23,23,23,0.18); }
.button:focus-visible, summary:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--blue-bright); outline-offset: 3px; }

main { padding: clamp(54px, 8vw, 100px) 0 clamp(80px, 10vw, 140px); }

.page-head { max-width: 880px; margin-bottom: clamp(36px, 6vw, 68px); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -0.035em; }
h1 { margin-bottom: 22px; font-size: clamp(2.7rem, 6vw, 3.4rem); }
h2 { margin: 44px 0 14px; font-size: clamp(1.65rem, 3vw, 2.35rem); }
h3 { margin: 30px 0 10px; font-size: 1.22rem; }
p { margin: 0 0 1em; }
.lead { max-width: 760px; color: var(--coal); font-size: clamp(1.08rem, 2vw, 1.35rem); }

.content-card {
  max-width: 980px;
  padding: clamp(26px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.content-card > :first-child { margin-top: 0; }
.content-card ul, .content-card ol { padding-left: 1.35rem; }
.content-card li { margin-bottom: 0.55rem; }
.content-card a { color: var(--blue); text-underline-offset: 3px; }
.legal-meta { color: var(--muted); font-size: 0.9rem; }
.all-caps { font-weight: 800; letter-spacing: 0.015em; }

.toc {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
  margin: 28px 0 46px;
  padding: 22px;
  border-radius: 18px;
  background: var(--cream);
}
.toc a { text-decoration: none; }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
}

.contact-form { display: grid; gap: 18px; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: grid; gap: 7px; }
.field label, .checkbox label { font-weight: 800; }
.field input, .field textarea {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 1.5px solid var(--ink);
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
}
.field textarea { min-height: 170px; resize: vertical; }
.checkbox { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; }
.checkbox input { width: 19px; height: 19px; margin-top: 4px; accent-color: var(--blue); }
.contact-trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-note, .form-status { color: var(--muted); font-size: 0.88rem; }
.form-status { min-height: 1.5em; margin: 0; color: var(--blue); font-weight: 700; }
.form-status:not(:empty) { padding: 13px 15px; border: 1px solid currentColor; border-radius: 12px; background: rgba(49, 80, 170, 0.08); }
.form-status[data-kind="success"] { color: #1f633d; background: #edf8f1; }
.form-status[data-kind="error"] { color: #9b2f2f; background: #fff0f0; }
.contact-form[aria-busy="true"] .button { cursor: wait; opacity: 0.72; }

.contact-card {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow);
}
.contact-card h2 { margin-top: 0; color: var(--cream); }
.contact-card a { color: var(--cream); }
.contact-card small { color: rgba(255,255,255,0.68); }

.pricing-section { margin-top: clamp(44px, 7vw, 80px); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2 { margin-top: 0; font-size: clamp(2rem, 4vw, 3.4rem); }
.section-head p { color: var(--coal); font-size: 1.08rem; }

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pricing-note { margin: 18px 0 0; color: var(--coal); }

.price-card {
  display: flex;
  min-height: 350px;
  flex-direction: column;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.price-card--featured { background: var(--blue); color: var(--white); }
.availability-banner {
  display: grid;
  gap: 2px;
  margin: 0 0 22px;
  padding: 12px 14px;
  border: 2px solid var(--ink);
  border-radius: 14px;
  background: var(--blue-bright);
  color: var(--white);
  box-shadow: 5px 5px 0 var(--ink);
  line-height: 1.3;
}
.availability-banner strong { font-size: 0.94rem; letter-spacing: 0.02em; }
.availability-banner span { font-size: 0.78rem; font-weight: 700; opacity: 0.84; }
.price-card__label { margin: 0 0 34px; color: var(--blue); font-size: 0.76rem; font-weight: 900; letter-spacing: 0.13em; text-transform: uppercase; }
.price-card--featured .price-card__label { color: #d8dcff; }
.price-card h3 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.35rem); }
.price-card__amount { display: block; margin: auto 0 8px; font-size: clamp(2.75rem, 5vw, 4.4rem); font-weight: 900; letter-spacing: -0.06em; line-height: 1; }
.price-card__amount small { font-size: 0.92rem; letter-spacing: 0; }
.price-card__detail { margin: 0; color: var(--muted); font-weight: 700; }
.price-card--featured .price-card__detail, .price-card--featured > p { color: rgba(255,255,255,0.76); }

.coaching-details {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: clamp(26px, 5vw, 56px);
  margin-top: clamp(58px, 9vw, 110px);
  align-items: start;
}

.process-list { display: grid; border-top: 1px solid var(--line); }
.process-step { display: grid; grid-template-columns: 50px 1fr; gap: 16px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.process-step__number { color: var(--blue); font-weight: 900; }
.process-step h3 { margin: 0 0 7px; }
.process-step p { margin: 0; color: var(--coal); }

.conditions-card { padding: clamp(26px, 4vw, 38px); border-radius: var(--radius); background: var(--ink); color: var(--white); box-shadow: var(--shadow); }
.conditions-card h2 { margin-top: 0; color: var(--cream); }
.conditions-card h3 { color: var(--cream); }
.conditions-card p { color: rgba(255,255,255,0.74); }
.conditions-card hr { margin: 28px 0; border: 0; border-top: 1px solid rgba(255,255,255,0.18); }

.booking-panel { margin-top: clamp(58px, 9vw, 110px); padding: clamp(28px, 5vw, 52px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); text-align: center; box-shadow: var(--shadow); }
.booking-panel h2 { max-width: 780px; margin: 0 auto 14px; font-size: clamp(2rem, 4vw, 3.4rem); }
.booking-panel > p { max-width: 680px; margin: 0 auto 28px; color: var(--coal); }
.booking-panel__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 11px; }

.coaching-faq {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(30px, 6vw, 72px);
  margin-top: clamp(58px, 9vw, 110px);
  scroll-margin-top: 110px;
}

.seminar-page-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 28px; }
.seminar-page-head .page-head { margin-bottom: 0; }
.seminar-count { margin: 0 0 10px; color: var(--blue); font-size: 1rem; font-weight: 900; }

.seminar-browser { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(310px, 0.65fr); gap: clamp(28px, 5vw, 58px); margin-top: clamp(42px, 7vw, 82px); align-items: start; }
.seminar-results { display: grid; gap: 18px; }
.filter-panel { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--paper); }
.filter-panel h2 { margin: 0 0 18px; font-size: 1.35rem; }
.filter-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: end; }
.filter-field { display: grid; gap: 6px; }
.filter-field label { font-size: 0.86rem; font-weight: 900; }
.filter-field input, .filter-field select { width: 100%; min-height: 48px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); color: var(--ink); }
.filter-reset { min-height: 48px; padding: 10px 16px; border: 1px solid var(--ink); border-radius: 999px; background: transparent; color: var(--ink); font-weight: 800; cursor: pointer; }
.filter-reset:hover { background: var(--ink); color: var(--white); }
.results-status { margin: 16px 0 0; color: var(--muted); font-size: 0.92rem; font-weight: 700; }

.seminar-list { display: grid; gap: 18px; }
.seminar-card { display: grid; grid-template-columns: 124px minmax(0, 1fr); gap: 24px; padding: clamp(22px, 4vw, 34px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); box-shadow: 0 12px 38px rgba(22,22,19,0.08); }
.seminar-card[hidden] { display: none; }
.seminar-card__date { display: grid; align-content: start; justify-items: start; color: var(--blue); font-weight: 900; line-height: 1; }
.seminar-card__date strong { font-size: 3.3rem; letter-spacing: -0.06em; }
.seminar-card__date span { margin-top: 6px; font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; }
.seminar-card__type { margin: 0 0 8px; color: var(--blue); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.seminar-card h2 { margin: 0 0 10px; font-size: clamp(1.55rem, 3vw, 2.25rem); line-height: 1.08; }
.seminar-card__meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 18px 0 22px; color: var(--coal); font-size: 0.92rem; font-weight: 800; }
.seminar-card__footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.seminar-card__price { font-size: 1.45rem; font-weight: 900; }
.empty-state { display: none; padding: 32px; border: 1px dashed var(--line); border-radius: var(--radius); background: var(--paper); text-align: center; }
.empty-state.is-visible { display: block; }

.calendar-card { position: sticky; top: 104px; padding: 24px; border: 1px solid var(--ink); border-radius: var(--radius); background: var(--ink); color: var(--white); box-shadow: var(--shadow); }
.calendar-card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.calendar-card h2 { margin: 0; color: var(--cream); font-size: 1.35rem; }
.calendar-nav { display: flex; gap: 7px; }
.calendar-nav button { width: 38px; height: 38px; border: 1px solid rgba(255,255,255,0.35); border-radius: 999px; background: transparent; color: var(--white); font-size: 1.15rem; cursor: pointer; }
.calendar-nav button:hover { background: var(--cream); color: var(--ink); }
.calendar__weekdays, .calendar__days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.calendar__weekdays span { padding-bottom: 8px; color: rgba(255,255,255,0.58); font-size: 0.7rem; font-weight: 900; text-align: center; text-transform: uppercase; }
.calendar__day { aspect-ratio: 1; border: 0; border-radius: 10px; background: transparent; color: rgba(255,255,255,0.78); font-weight: 800; }
button.calendar__day { cursor: pointer; }
.calendar__day--event { border: 2px solid var(--cream); background: var(--blue-bright); color: var(--white); box-shadow: 0 0 0 2px rgba(40,55,187,0.4); }
.calendar__day--selected { background: var(--cream); color: var(--ink); }
.calendar-legend { display: flex; align-items: center; gap: 9px; margin: 18px 0 0; color: rgba(255,255,255,0.72); font-size: 0.82rem; }
.calendar-legend::before { width: 14px; height: 14px; border: 2px solid var(--cream); border-radius: 4px; background: var(--blue-bright); content: ""; }

.seminar-hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr); gap: clamp(32px, 6vw, 74px); align-items: end; }
.seminar-hero h1 { max-width: 820px; }
.seminar-hero__summary { padding: clamp(24px, 4vw, 36px); border: 1px solid var(--ink); border-radius: var(--radius); background: var(--blue); color: var(--white); box-shadow: var(--shadow); }
.seminar-hero__summary dl { display: grid; gap: 18px; margin: 0; }
.seminar-hero__summary div { display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding-bottom: 17px; border-bottom: 1px solid rgba(255,255,255,0.18); }
.seminar-hero__summary div:last-child { padding-bottom: 0; border: 0; }
.seminar-hero__summary dt { color: #d8dcff; font-size: 0.76rem; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; }
.seminar-hero__summary dd { margin: 0; font-weight: 800; }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr); gap: clamp(28px, 5vw, 58px); margin-top: clamp(58px, 9vw, 110px); align-items: start; }
.detail-section h2 { margin-top: 0; font-size: clamp(2rem, 4vw, 3.4rem); }
.learning-list { display: grid; gap: 12px; padding: 0; list-style: none; }
.learning-list li { position: relative; padding: 16px 18px 16px 48px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.learning-list li::before { position: absolute; top: 17px; left: 18px; color: var(--blue); font-weight: 900; content: "→"; }
.included-card { padding: clamp(24px, 4vw, 36px); border-radius: var(--radius); background: var(--paper); box-shadow: var(--shadow); }
.included-card h2 { margin: 0 0 18px; font-size: 1.7rem; }
.included-list { display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; }
.included-list li { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.included-list li:last-child { padding-bottom: 0; border: 0; }
.included-list strong { display: block; margin-bottom: 2px; }
.agenda { display: grid; gap: 0; margin: 24px 0 0; padding-left: 1.35rem; list-style: disc; }
.agenda__item { padding: 18px 0 18px 6px; border-top: 1px solid var(--line); }
.agenda__item::marker { color: var(--blue); font-size: 1.25em; }
.agenda__item h3 { margin: 0 0 5px; }
.agenda__item p { margin: 0; color: var(--coal); }
.booking-panel--seminar { background: var(--blue); color: var(--white); }
.booking-panel--seminar h2 { color: var(--cream); }
.booking-panel--seminar > p { color: rgba(255,255,255,0.76); }
.booking-panel--seminar .button { border-color: var(--cream); background: var(--cream); color: var(--ink); }
.booking-panel__price { display: block; margin: 0 auto 22px; color: var(--cream); font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 900; }
.back-link { display: inline-flex; margin-bottom: 28px; color: var(--blue); font-weight: 900; text-underline-offset: 4px; }

.booking-dialog { width: min(92vw, 560px); padding: 0; border: 1px solid var(--ink); border-radius: var(--radius); background: var(--paper); color: var(--ink); box-shadow: 0 30px 90px rgba(0,0,0,0.28); }
.booking-dialog::backdrop { background: rgba(10,10,10,0.62); backdrop-filter: blur(4px); }
.booking-dialog__body { padding: clamp(26px, 5vw, 46px); }
.booking-dialog h2 { margin: 0 0 12px; font-size: clamp(1.9rem, 5vw, 2.8rem); }
.booking-dialog__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }

.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0;
  font-size: 1.06rem;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--blue); font-size: 1.45rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 34px 22px 0; color: var(--coal); }

footer { padding: 34px 0; background: var(--ink); color: rgba(255,255,255,0.68); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; font-size: 0.84rem; }
.footer__links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer__links a { text-underline-offset: 3px; }

@media (max-width: 930px) {
  .nav__links > a:not(.button):not(.nav__contact):not(.nav__coaching) { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .price-grid, .coaching-details, .coaching-faq { grid-template-columns: 1fr; }
  .price-card { min-height: 300px; }
  .seminar-page-head, .seminar-browser, .seminar-hero, .detail-grid { grid-template-columns: 1fr; }
  .calendar-card { position: static; }
}

@media (max-width: 640px) {
  .price-grid > .price-card--hourly { order: 1; }
  .price-grid > .price-card--package { order: 2; }
  .price-grid > .price-card--annual { order: 3; }
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 68px; }
  .brand { font-size: 0.86rem; }
  .brand > span:last-child { display: none; }
  .brand__mark { width: 92px; height: 36px; border-radius: 5px; }
  .nav__links { gap: 14px; }
  .nav-menu__panel { right: -10px; }
  .nav__contact, .nav .button { display: none; }
  h1 { font-size: clamp(2.65rem, 12vw, 3.4rem); }
  .content-card { padding: 24px 18px; border-radius: 18px; }
  .toc, .field-row { grid-template-columns: 1fr; }
  .booking-panel__actions { display: grid; }
  .filter-grid, .seminar-card { grid-template-columns: 1fr; }
  .seminar-card__date { grid-template-columns: auto auto; align-items: baseline; gap: 8px; }
  .seminar-card__date strong { font-size: 2.5rem; }
  .seminar-card__footer, .booking-dialog__actions { align-items: stretch; flex-direction: column; }
  .seminar-card__footer .button, .booking-dialog__actions .button { width: 100%; }
  .footer__inner { align-items: flex-start; flex-direction: column; }
}

@media print {
  body { background: #fff; }
  body::before, header, footer { display: none; }
  main { padding: 0; }
  .shell { width: 100%; }
  .content-card { max-width: none; padding: 0; border: 0; box-shadow: none; }
}