* {
  box-sizing: border-box;
}

:root {
  --bg: #f3f0e8;
  --surface: #fffdf8;
  --surface-strong: #e5dccb;
  --ink: #151913;
  --muted: #62675c;
  --line: #d9d2c5;
  --accent: #1f4a3b;
  --accent-2: #7e5032;
  --danger: #9e2f2f;
  --success: #2f6d49;
  --shadow: 0 18px 60px rgba(36, 75, 63, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.7), rgba(243, 240, 232, 0) 420px),
    var(--bg);
  color: var(--ink);
  font-family: "Hanken Grotesk", Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
.button {
  min-height: 46px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #fffdf8;
  padding: 0 18px;
  font: inherit;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 140ms ease, background 160ms ease;
}

button:active,
.button:active {
  transform: translateY(1px);
}

.ghost-button {
  background: var(--surface);
  color: var(--accent);
}

.site-header {
  min-height: 68px;
  padding: 0 clamp(18px, 4vw, 54px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand {
  font-weight: 900;
}

nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

.hero,
.platform-hero,
.course-list-section,
.platform-feature-strip,
.course-backbar,
.location-section,
.hess-section,
.feature-section,
.slots-section,
.form-section,
footer,
.flash {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.platform-hero {
  min-height: calc(100dvh - 68px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: center;
  padding: clamp(32px, 6vw, 82px) 0;
}

.platform-copy {
  display: grid;
  gap: 22px;
}

.platform-copy p:not(.kicker) {
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  max-width: 620px;
}

.platform-panel {
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(36, 75, 63, 0.9), rgba(36, 75, 63, 0.68)),
    repeating-linear-gradient(45deg, var(--surface), var(--surface) 18px, var(--surface-strong) 18px, var(--surface-strong) 36px);
  color: #fffdf8;
  padding: clamp(24px, 4vw, 42px);
  display: grid;
  align-content: end;
  gap: 12px;
  box-shadow: var(--shadow);
}

.platform-panel strong {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: 0;
}

.platform-panel span {
  max-width: 420px;
  color: rgba(255, 253, 248, 0.78);
  font-size: 17px;
}

.hero {
  min-height: calc(100dvh - 68px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(22px, 5vw, 68px);
  align-items: center;
  padding: clamp(28px, 5vw, 72px) 0;
}

.course-backbar {
  padding-top: 22px;
}

.hero-copy {
  display: grid;
  gap: 18px;
  align-content: center;
}

.kicker {
  margin: 0;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.course-badge {
  width: fit-content;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(31, 74, 59, 0.24);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.72);
  color: var(--accent);
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 900;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  letter-spacing: 0;
  line-height: 1;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(46px, 8vw, 86px);
  max-width: 760px;
}

h2 {
  font-size: clamp(34px, 5vw, 56px);
  margin-bottom: 18px;
}

h3 {
  font-size: 20px;
}

.hero-copy > p:not(.kicker) {
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  max-width: 600px;
}

.hero-photo,
.portrait {
  background-size: cover;
  background-position: center;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-photo {
  min-height: min(620px, 72dvh);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 58%, rgba(21, 25, 19, 0.24));
  pointer-events: none;
}

.course-list-section {
  padding: clamp(50px, 8vw, 92px) 0;
}

.course-teaser {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.course-teaser-media {
  min-height: 340px;
  background-size: cover;
  background-position: center;
}

.course-teaser-copy {
  padding: clamp(24px, 4vw, 44px);
  display: grid;
  gap: 14px;
  align-content: center;
}

.course-teaser-copy > span {
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.course-teaser-copy h3 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
  letter-spacing: 0;
}

.course-teaser-copy p {
  color: var(--muted);
  max-width: 620px;
}

.platform-feature-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-bottom: clamp(54px, 8vw, 92px);
}

.platform-feature-strip article {
  border-top: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 8px;
  padding: 20px;
  min-height: 132px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.platform-feature-strip span {
  color: var(--muted);
}

.portrait {
  min-height: 520px;
  border-radius: 8px;
}

.is-placeholder {
  background:
    linear-gradient(135deg, rgba(36, 75, 63, 0.18), rgba(138, 91, 56, 0.18)),
    repeating-linear-gradient(45deg, var(--surface), var(--surface) 18px, var(--surface-strong) 18px, var(--surface-strong) 36px);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 900;
  text-align: center;
  padding: 24px;
}

.location-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(360px, 1.18fr);
  gap: clamp(22px, 4vw, 42px);
  padding: clamp(24px, 4vw, 42px);
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.96), rgba(255, 253, 248, 0.82)),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  align-items: center;
}

.location-section p,
.hess-section p,
.feature-section span,
.slots-section p,
.form-copy p,
.privacy-note {
  color: var(--muted);
}

.location-copy {
  display: grid;
  gap: 14px;
  align-content: center;
}

.location-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.location-photo {
  min-height: 315px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: end;
  justify-content: flex-start;
  padding: 18px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 16px 44px rgba(31, 74, 59, 0.14);
}

.location-photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(21, 25, 19, 0.62));
}

.location-photo strong {
  position: relative;
  max-width: 520px;
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.92);
  color: var(--ink);
  padding: 10px 12px;
  font-size: 14px;
  box-shadow: 0 12px 34px rgba(21, 25, 19, 0.14);
}

.venue-link {
  grid-column: 2;
  justify-self: start;
  align-self: start;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--accent);
  padding: 9px 12px;
  font-weight: 900;
}

.hess-section {
  padding: clamp(70px, 10vw, 120px) 0;
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(24px, 6vw, 72px);
  align-items: center;
}

.fact-grid,
.feature-grid {
  display: grid;
  gap: 14px;
}

.fact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.trainer-link-button {
  margin-top: 22px;
}

.fact-grid article,
.feature-grid article,
.day-card,
.request-form,
.price-box,
.admin-login,
.admin-course-card,
.admin-slot-card,
.admin-panel,
.request-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.fact-grid article,
.feature-grid article {
  min-height: 138px;
  padding: 18px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.fact-grid strong,
.feature-grid strong {
  color: var(--ink);
}

.feature-section,
.slots-section,
.form-section {
  padding: clamp(54px, 8vw, 92px) 0;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: clamp(44px, 7vw, 76px);
}

.focus-grid article {
  min-height: 176px;
  border: 1px solid rgba(31, 74, 59, 0.22);
  border-top: 4px solid var(--accent);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.96), rgba(229, 220, 203, 0.32)),
    var(--surface);
  padding: 22px;
  display: grid;
  gap: 12px;
  align-content: start;
  box-shadow: 0 14px 42px rgba(31, 74, 59, 0.08);
}

.focus-grid strong {
  font-size: 20px;
}

.focus-grid span {
  color: var(--muted);
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.section-title {
  max-width: 720px;
  margin-bottom: 28px;
}

.day-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.day-card {
  padding: 24px;
}

.slot-group {
  margin-top: 18px;
}

.slot-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.slot-list span {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--bg);
  font-weight: 800;
}

.slot-list .taken {
  color: var(--muted);
  text-decoration: line-through;
}

.form-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 28px;
  align-items: start;
}

.form-copy {
  position: sticky;
  top: 92px;
}

.price-box {
  display: grid;
  gap: 10px;
  padding: 18px;
  margin-top: 22px;
}

.price-box span {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.price-box .included {
  color: var(--accent);
}

.request-form {
  padding: clamp(18px, 4vw, 34px);
  display: grid;
  gap: 24px;
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

legend {
  padding: 0;
  margin-bottom: 4px;
  font-size: 19px;
  font-weight: 900;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 10px 12px;
  font: inherit;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(36, 75, 63, 0.16);
  border-color: var(--accent);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.two-fields {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.checkbox-grid,
.slot-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
}

.check {
  display: flex;
  grid-template-columns: none;
  align-items: flex-start;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
}

.check input {
  width: 18px;
  min-height: 18px;
  margin-top: 2px;
}

.check.disabled {
  color: var(--muted);
}

.privacy-note {
  margin: -10px 0 0;
  font-size: 13px;
}

.flash {
  padding: 16px 18px;
  border-radius: 8px;
  border: 1px solid;
}

.success {
  color: var(--success);
  background: #edf7ef;
  border-color: #b7dec2;
}

.error {
  color: var(--danger);
  background: #fff1ef;
  border-color: #efc0b8;
}

footer {
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.admin-shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 34px 0 70px;
}

.back-link {
  color: var(--accent);
  font-weight: 800;
}

.admin-login {
  max-width: 460px;
  margin: 40px auto;
  padding: 28px;
}

.admin-login form,
.status-form {
  display: grid;
  gap: 14px;
}

.admin-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-top: 28px;
}

.admin-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.admin-tabs a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 14px;
  color: var(--muted);
  font-weight: 900;
}

.admin-tabs a.active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--surface);
}

.admin-tab-panel {
  margin-top: 24px;
}

.request-list {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.admin-manage-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 16px;
  margin-top: 24px;
}

.admin-panel {
  padding: 22px;
  margin-top: 24px;
}

.admin-panel h2 {
  font-size: clamp(26px, 4vw, 38px);
  margin-bottom: 16px;
}

.admin-mini-form {
  display: grid;
  gap: 12px;
  padding: 16px;
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

.course-edit-form textarea {
  min-height: 118px;
}

.trainer-edit-form {
  grid-template-columns: minmax(130px, 180px) repeat(2, minmax(0, 1fr));
  align-items: start;
}

.trainer-edit-form h3,
.trainer-edit-form textarea,
.trainer-edit-form .check,
.trainer-edit-form button {
  grid-column: 2 / -1;
}

.trainer-admin-preview {
  grid-row: span 4;
  min-height: 180px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  box-shadow: 0 12px 34px rgba(31, 74, 59, 0.08);
}

.admin-day-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-day-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  padding: 16px;
}

.slot-edit-form {
  display: grid;
  grid-template-columns: minmax(90px, 0.9fr) 82px 70px 70px minmax(130px, 1fr) minmax(170px, 1.4fr) minmax(70px, 0.7fr) 104px;
  gap: 8px;
  align-items: center;
  margin-top: 9px;
}

.slot-edit-form input {
  min-height: 38px;
  padding: 8px 9px;
}

.slot-edit-form button,
.inline-delete-form button {
  min-height: 38px;
  padding: 0 10px;
  font-size: 13px;
}

.small-check {
  font-size: 13px;
}

.inline-delete-form {
  display: flex;
  justify-content: flex-end;
  margin: 6px 0 10px;
}

.admin-add-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.course-list-grid {
  display: grid;
  gap: 18px;
}

.admin-course-overview {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 16px;
  margin-top: 24px;
}

.admin-course-card,
.admin-slot-card {
  padding: 22px;
}

.admin-course-card h2,
.admin-slot-card h2 {
  margin: 10px 0 8px;
  font-size: clamp(26px, 4vw, 38px);
}

.admin-course-card .button {
  margin-top: 18px;
}

.admin-slot-days {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.compact-slots {
  margin-bottom: 14px;
}

.admin-hint {
  color: var(--muted);
  font-size: 13px;
  margin: 8px 0 0;
}

code {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
}

.request-card {
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
}

.request-main h2 {
  margin: 8px 0 4px;
}

.status {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 8px;
  color: var(--accent);
  font-weight: 900;
  font-size: 13px;
}

dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 0;
}

dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

dd {
  margin: 2px 0 0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171a17;
    --surface: #222720;
    --surface-strong: #30372e;
    --ink: #f6f4ef;
    --muted: #c4c9bd;
    --line: #465141;
    --accent: #9cc6ab;
    --accent-2: #d0a57c;
    --shadow: 0 18px 60px rgba(0, 0, 0, 0.24);
  }

  input,
  select,
  textarea {
    background: #171a17;
  }

  button,
  .button {
    color: #171a17;
  }
}

@media (max-width: 900px) {
  nav {
    display: none;
  }

  .hero,
  .platform-hero,
  .course-teaser,
  .location-section,
  .hess-section,
  .form-section,
  .admin-manage-grid,
  .admin-course-overview,
  .admin-day-grid,
  .admin-add-grid,
  .request-card {
    grid-template-columns: 1fr;
  }

  .slot-edit-form {
    grid-template-columns: 1fr 1fr;
  }

  .trainer-edit-form {
    grid-template-columns: 1fr;
  }

  .trainer-edit-form h3,
  .trainer-edit-form textarea,
  .trainer-edit-form .check,
  .trainer-edit-form button {
    grid-column: auto;
  }

  .hero {
    min-height: auto;
  }

  .platform-panel {
    min-height: 320px;
  }

  .hero-photo,
  .portrait {
    min-height: 360px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .focus-grid {
    grid-template-columns: 1fr;
  }

  .platform-feature-strip {
    grid-template-columns: 1fr;
  }

  .form-copy {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header {
    justify-content: center;
  }

  .hero,
  .platform-hero,
  .course-list-section,
  .platform-feature-strip,
  .course-backbar,
  .location-section,
  .hess-section,
  .feature-section,
  .slots-section,
  .form-section,
  footer,
  .flash,
  .admin-shell {
    width: min(100% - 24px, 1180px);
  }

  h1 {
    font-size: 44px;
  }

  .location-section {
    padding: 22px;
  }

  .fact-grid,
  .feature-grid,
  .focus-grid,
  .day-grid,
  .admin-slot-days,
  .field-grid,
  .checkbox-grid,
  .slot-choice-grid,
  dl {
    grid-template-columns: 1fr;
  }

  .location-photo {
    min-height: 250px;
  }

  footer,
  .admin-head,
  .admin-actions {
    display: grid;
  }
}