/* ============================================================
   2nd Nature Fundamentals — stylesheet
   Dark, high-contrast, teal-accented. No framework.
   ============================================================ */

:root {
  --ink:        #0d0f11;
  --ink-2:      #141719;
  --panel:      #191d20;
  --panel-2:    #20262a;
  --line:       #2b3237;
  --text:       #f4f1ea;
  --text-dim:   #a7afb5;
  --text-mute:  #79828a;
  --teal:       #38d6cc;
  --teal-deep:  #1f9b93;
  --sand:       #c9b896;
  --danger:     #e5484d;
  --radius:     4px;
  --radius-lg:  8px;
  --wrap:       1180px;
  --header-h:   84px;
  --ease:       cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--ink);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17.5px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3, .price, .offer-price, .trust-num {
  font-family: "Barlow Condensed", "Inter", sans-serif;
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: .01em;
  text-transform: uppercase;
}

.wrap { width: min(var(--wrap), calc(100% - 48px)); margin-inline: auto; }

.eyebrow {
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .8rem;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 14px;
}

.accent { color: var(--teal); }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .88em;
  background: var(--panel-2);
  padding: .1em .4em;
  border-radius: 3px;
  color: var(--sand);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--teal);
  color: #04211f;
  border-color: var(--teal);
}
.btn-primary:hover { background: #55e4da; border-color: #55e4da; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: color-mix(in srgb, var(--ink) 78%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--ink) 94%, transparent);
  border-bottom-color: var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}
.brand-chip {
  display: grid;
  place-items: center;
  background: #fbfbf9;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px;
  padding: 6px;
  flex-shrink: 0;
}
.brand-chip img {
  display: block;
  width: 46px;
  height: 46px;
  object-fit: contain;
  transition: width .25s var(--ease), height .25s var(--ease);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong {
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 1.38rem;
}
.brand-text em {
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: .24em;
  font-size: .72rem;
  color: var(--teal);
}

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a {
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color .18s var(--ease);
}
.main-nav a:hover { color: var(--text); }
.main-nav .nav-cta {
  color: var(--teal);
  border: 1.5px solid var(--line);
  padding: 9px 18px;
  border-radius: var(--radius);
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 600;
}
.main-nav .nav-cta:hover { border-color: var(--teal); color: var(--teal); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 640px;
  height: 100svh;
  max-height: 940px;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; z-index: 0; background: var(--ink-2); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: .62; }
.hero-scrim {
  position: absolute; inset: 0;
  background:
    radial-gradient(1000px 700px at 78% 15%, rgba(56,214,204,.10), transparent 60%),
    linear-gradient(180deg, rgba(13,15,17,.42) 0%, rgba(13,15,17,.72) 62%, var(--ink) 100%),
    linear-gradient(90deg, var(--ink) 0%, rgba(13,15,17,.55) 48%, rgba(13,15,17,.15) 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 780px; }
.hero h1 {
  font-size: clamp(2.5rem, 5.4vw, 4.2rem);
  margin-bottom: 22px;
  text-wrap: balance;
}
.hero .lede {
  font-size: 1.16rem;
  color: var(--text-dim);
  max-width: 60ch;
  margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 42px; }
.hero-credentials {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 10px;
}
.hero-credentials li {
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .8rem;
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
}
.hero-credentials li::before {
  content: "✓";
  color: var(--teal);
  margin-right: 8px;
  font-weight: 700;
}

/* ---------- Trust strip ---------- */
.trust {
  background: var(--ink-2);
  border-block: 1px solid var(--line);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.trust-item {
  padding: 30px 26px;
  text-align: center;
}
.trust-item:not(:last-child) { border-right: 1px solid var(--line); }
.trust-num {
  display: block;
  font-size: 1.9rem;
  color: var(--teal);
  margin-bottom: 6px;
}
.trust-label { font-size: .88rem; color: var(--text-dim); }

/* ---------- Section shell ---------- */
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section-head { max-width: 720px; margin-bottom: 56px; position: relative; }
.section-head h2 { font-size: clamp(2rem, 4.4vw, 3.1rem); margin-bottom: 18px; }
.section-sub { color: var(--text-dim); font-size: 1.05rem; }

/* ---------- Approach cards ---------- */
.card-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}
.feature:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--teal) 50%, var(--line)); }
.feature-ico {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 18px;
  color: var(--teal);
}
.feature-ico svg { width: 24px; height: 24px; display: block; }
.feature h3 { font-size: 1.3rem; margin-bottom: 10px; }
.feature p { font-size: .94rem; color: var(--text-dim); }

/* ---------- Services ---------- */
.services { background: var(--ink-2); }
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 26px;
}
.price-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}
.price-card.featured {
  border-color: var(--teal);
  box-shadow: 0 0 0 1px var(--teal), 0 24px 60px -30px rgba(56,214,204,.5);
}
.badge {
  position: absolute;
  top: -12px; left: 28px;
  background: var(--teal);
  color: #04211f;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .72rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
}
.price-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}
.price-card-top h3 { font-size: 1.5rem; }
.price span { font-size: 2.1rem; color: var(--teal); }
.price-desc { color: var(--text-dim); font-size: .95rem; margin-bottom: 18px; }
.spec { list-style: none; margin-bottom: 24px; display: grid; gap: 9px; }
.spec li {
  font-size: .9rem;
  color: var(--text-dim);
  padding-left: 22px;
  position: relative;
}
.spec li::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: 8px; height: 8px;
  border-right: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(45deg) translateY(-2px);
}
.price-card .btn { margin-top: auto; }

/* secondary offers */
.offer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}
.offer {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
}
.offer h3 { font-size: 1.2rem; margin-bottom: 6px; }
.offer-price { color: var(--teal); font-size: 1.5rem; margin-bottom: 10px; }
.offer-price span { font-size: .8rem; color: var(--text-mute); letter-spacing: .04em; }
.offer p { font-size: .9rem; color: var(--text-dim); }
.services-note {
  text-align: center;
  color: var(--text-dim);
  font-size: .95rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
}
.services-note a { color: var(--teal); text-decoration: none; }
.services-note a:hover { text-decoration: underline; }

/* ---------- Instructor ---------- */
.instructor-inner {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 56px;
  align-items: center;
}
.instructor-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(45deg, var(--panel) 0 12px, var(--panel-2) 12px 24px);
  display: grid;
  place-items: center;
}
.instructor-photo img { width: 100%; height: 100%; object-fit: cover; position: relative; z-index: 1; }
.photo-fallback {
  position: absolute;
  z-index: 0;
  font-size: .85rem;
  color: var(--text-mute);
  text-align: center;
  padding: 20px;
}
.instructor-photo.is-empty img { display: none; }
.instructor-copy h2 { font-size: clamp(2.2rem, 4.6vw, 3.2rem); margin-bottom: 18px; }
.instructor-copy p { color: var(--text-dim); margin-bottom: 16px; max-width: 54ch; }
.cred-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.cred-badges span {
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .78rem;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 15px;
}

/* ---------- Gallery ---------- */
.gallery { background: var(--ink-2); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.gallery-cell {
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  position: relative;
}
.gallery-cell img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s var(--ease);
}
.gallery-cell:hover img { transform: scale(1.05); }
.gallery-cell.placeholder::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .72rem;
  color: var(--text-mute);
  background: repeating-linear-gradient(45deg, var(--panel) 0 10px, var(--panel-2) 10px 20px);
}

/* ---------- Reviews ---------- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.review {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
}
.stars { color: var(--teal); letter-spacing: .15em; margin-bottom: 14px; font-size: 1rem; }
.review p { color: var(--text); font-size: 1rem; margin-bottom: 14px; }
.review cite { color: var(--text-mute); font-style: normal; font-size: .88rem; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; max-width: 820px; }
.faq-list details {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 4px 22px;
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 1.12rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  color: var(--teal);
  font-size: 1.4rem;
  transition: transform .2s var(--ease);
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p {
  padding: 0 0 20px;
  color: var(--text-dim);
  font-size: .96rem;
}
.faq-list a { color: var(--teal); }

.waiver {
  margin-top: 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.waiver h3 { font-size: 1.25rem; margin-bottom: 4px; }
.waiver p { color: var(--text-dim); font-size: .92rem; }
.waiver a { color: var(--teal); }

/* ---------- Book / contact ---------- */
.book { background: var(--ink-2); }
.book-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}
.book-copy h2 { font-size: clamp(2rem, 4.4vw, 3rem); margin-bottom: 18px; }
.book-copy > p { color: var(--text-dim); margin-bottom: 26px; max-width: 46ch; }
.book-contact { list-style: none; display: grid; gap: 14px; }
.book-contact li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  align-items: baseline;
  font-size: .95rem;
  color: var(--text-dim);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.book-contact span {
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .74rem;
  color: var(--text-mute);
}
.book-contact a { color: var(--teal); text-decoration: none; }
.book-contact a:hover { text-decoration: underline; }
.inline-links { display: inline-flex; gap: 18px; flex-wrap: wrap; }
.dev-note { display: block; margin-top: 6px; font-size: .82rem; color: var(--sand); opacity: .8; }

.book-form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
}
.form-note {
  font-size: .8rem;
  color: var(--sand);
  background: var(--panel-2);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 20px;
}
.field { margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .76rem;
  color: var(--text-dim);
  margin-bottom: 7px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font: inherit;
  font-size: .95rem;
  padding: 12px 14px;
  transition: border-color .18s var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--teal);
}
.field textarea { resize: vertical; }
.book-form .btn { margin-top: 6px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); border-top: 1px solid var(--line); padding: 56px 0 30px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}
.footer-brand { display: flex; gap: 16px; align-items: center; }
.footer-brand .brand-chip { padding: 12px 15px; border-radius: 10px; }
.footer-brand .brand-chip img { width: auto; height: 86px; }
.footer-brand p { font-size: .9rem; color: var(--text-dim); }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { text-decoration: none; color: var(--text-dim); font-size: .92rem; }
.footer-nav a:hover { color: var(--teal); }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact > a { color: var(--teal); text-decoration: none; font-size: .95rem; }
.footer-social { display: flex; gap: 16px; }
.footer-social a { color: var(--text-dim); text-decoration: none; font-size: .88rem; }
.footer-social a:hover { color: var(--text); }
.footer-areas {
  font-size: .82rem;
  line-height: 1.7;
  color: var(--text-mute);
  padding-top: 22px;
  max-width: 70ch;
}
.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  flex-wrap: wrap;
}
.footer-legal p { font-size: .82rem; color: var(--text-mute); }
.footer-credit a { color: var(--text-dim); text-decoration: none; }
.footer-credit a:hover { color: var(--teal); }

/* ---------- Links / partners page ---------- */
.links-page { padding-top: calc(var(--header-h) + clamp(48px, 8vw, 96px)); }
.link-list { list-style: none; display: grid; gap: 4px; max-width: 720px; }
.link-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.link-list li:first-child { border-top: 1px solid var(--line); }
.link-list a {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: 1.3rem;
  color: var(--teal);
  text-decoration: none;
  width: max-content;
  max-width: 100%;
}
.link-list a:hover { color: #55e4da; }
.link-list span { font-size: .95rem; color: var(--text-dim); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */

/* Collapse the primary nav to a drawer well before it can crowd the logo. */
@media (max-width: 940px) {
  .main-nav {
    position: fixed;
    inset: var(--header-h, 84px) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink-2);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 22px;
    transform: translateY(-120%);
    transition: transform .3s var(--ease);
    max-height: calc(100svh - var(--header-h, 84px));
    overflow-y: auto;
  }
  .main-nav.open { transform: none; }
  .main-nav a { padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .main-nav .nav-cta { border: 0; padding: 16px 0; text-align: left; }
  .nav-toggle { display: flex; }
}

@media (max-width: 1000px) {
  .card-row, .offer-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid, .review-grid { grid-template-columns: 1fr; max-width: 540px; margin-inline: auto; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .instructor-inner, .book-inner { grid-template-columns: 1fr; gap: 36px; }
  .instructor-photo { max-width: 360px; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .cta-band-inner { gap: 20px; }
}

@media (max-width: 720px) {
  .field-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-cell.span-2w { grid-column: span 2; }
  .gallery-cell.span-2h { grid-row: span 1; aspect-ratio: 1; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero { height: auto; min-height: 0; max-height: none; padding: 124px 0 68px; }
  .hero-scroll { display: none; }
  .hero-actions .btn { width: 100%; }
  .cta-band-inner { flex-direction: column; align-items: flex-start; }
  .cta-band-inner .btn { width: 100%; }
  .waiver { flex-direction: column; align-items: flex-start; }
  .waiver .btn { width: 100%; }
}

@media (max-width: 420px) {
  .wrap { width: calc(100% - 36px); }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0 !important; }
  .trust-item:not(:last-child) { border-bottom: 1px solid var(--line); }
  .card-row, .offer-grid { grid-template-columns: 1fr; }
  .price-card, .book-form { padding: 24px 20px; }
  .hero-credentials li { font-size: .74rem; }
}

/* ============================================================
   POLISH LAYER
   ============================================================ */

/* Skip link + focus visibility */
.skip-link {
  position: absolute;
  left: 16px; top: -60px;
  z-index: 200;
  background: var(--teal);
  color: #04211f;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .12em;
  padding: 10px 18px;
  border-radius: var(--radius);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 14px; }
:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Eyebrow tick */
.eyebrow { display: flex; align-items: center; gap: 12px; }
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--teal);
  flex-shrink: 0;
}
.hero .eyebrow { justify-content: flex-start; }

/* Header shrink on scroll */
.site-header { transition: background .3s var(--ease), border-color .3s var(--ease); }
.header-inner { transition: height .25s var(--ease); }
.site-header.shrink .header-inner { height: 66px; }
.site-header.shrink .brand-chip img { width: 38px; height: 38px; }

/* Button arrow micro-interaction */
.btn-primary::after,
.hero .btn-ghost::after,
.cta-band .btn::after {
  content: "→";
  font-size: 1.05em;
  transform: translateX(0);
  transition: transform .18s var(--ease);
}
.btn-primary:hover::after,
.hero .btn-ghost:hover::after,
.cta-band .btn:hover::after { transform: translateX(4px); }

/* ---- Hero background ---- */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  color: var(--teal);
  pointer-events: none;
}
.hero-rings {
  position: absolute;
  right: -160px;
  top: 50%;
  width: min(760px, 82vw);
  aspect-ratio: 1;
  transform: translateY(-50%);
  opacity: .16;
  filter: drop-shadow(0 0 40px rgba(56,214,204,.25));
  animation: heroSpin 90s linear infinite;
}
@keyframes heroSpin { to { transform: translateY(-50%) rotate(360deg); } }
.hero::after {
  /* fine grain / vignette */
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 0%, transparent 55%, rgba(13,15,17,.6) 100%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.014) 0 1px, transparent 1px 3px);
}
.hero-content { position: relative; z-index: 2; }

/* Hero scroll cue */
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .7rem;
  color: var(--text-mute);
  text-decoration: none;
}
.hero-scroll-dot {
  width: 22px; height: 34px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  position: relative;
}
.hero-scroll-dot::after {
  content: "";
  position: absolute;
  left: 50%; top: 7px;
  width: 3px; height: 7px;
  background: var(--teal);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollNudge 1.7s var(--ease) infinite;
}
@keyframes scrollNudge {
  0%, 100% { opacity: 0; transform: translateX(-50%) translateY(0); }
  40% { opacity: 1; }
  80% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}
@media (max-width: 900px) { .hero-scroll { display: none; } }

/* ---- Trust icons ---- */
.trust-item { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.trust-ico {
  width: 30px; height: 30px;
  color: var(--teal);
  display: grid; place-items: center;
  opacity: .9;
}
.trust-ico svg { width: 26px; height: 26px; }
.trust-num { margin-bottom: 2px; }

/* ---- CTA band ---- */
.cta-band {
  background:
    linear-gradient(120deg, rgba(56,214,204,.10), transparent 60%),
    var(--panel);
  border-block: 1px solid var(--line);
}
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(36px, 6vw, 64px) 0;
  flex-wrap: wrap;
}
.cta-band h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); }
.cta-band .btn { flex-shrink: 0; }

/* ---- Gallery: editorial grid + richer placeholder ---- */
.gallery-grid { grid-auto-flow: dense; }
.gallery-cell.span-2w { grid-column: span 2; aspect-ratio: 2 / 1; }
.gallery-cell.span-2h { grid-row: span 2; aspect-ratio: 1 / 2; }
.gallery-cell.placeholder::before {
  content: "";
  position: absolute;
  left: 50%; top: calc(50% - 14px);
  width: 22px; height: 18px;
  transform: translate(-50%, -50%);
  border: 1.5px solid var(--text-mute);
  border-radius: 3px;
  box-shadow: 0 -5px 0 -2px var(--text-mute);
  opacity: .5;
}
.gallery-cell.placeholder::after { letter-spacing: .18em; }
@media (max-width: 1000px) {
  .gallery-cell.span-2w { grid-column: span 2; }
  .gallery-cell.span-2h { grid-row: span 1; aspect-ratio: 1; }
}
@media (max-width: 720px) {
  .gallery-cell.span-2w { grid-column: span 2; aspect-ratio: 2 / 1; }
}

/* ---- Reviews: quote mark ---- */
.review { position: relative; overflow: hidden; }
.review .quote-mark {
  position: absolute;
  top: -18px; right: 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 6rem;
  line-height: 1;
  color: var(--teal);
  opacity: .12;
  pointer-events: none;
}
.review p { position: relative; }

/* ---- Section hairline accent above each section head ---- */
.section > .wrap > .section-head::after {
  content: "";
  position: absolute;
  left: 0; top: -22px;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--line), transparent 40%);
}
@media (max-width: 720px) {
  .section > .wrap > .section-head::after { display: none; }
}

/* Instructor photo — tactical corner brackets (works empty or with a photo) */
.instructor-photo::after {
  content: "";
  position: absolute;
  inset: 12px;
  z-index: 2;
  pointer-events: none;
  opacity: .38;
  background:
    linear-gradient(var(--teal) 0 0) 0 0 / 20px 2px no-repeat,
    linear-gradient(var(--teal) 0 0) 0 0 / 2px 20px no-repeat,
    linear-gradient(var(--teal) 0 0) 100% 0 / 20px 2px no-repeat,
    linear-gradient(var(--teal) 0 0) 100% 0 / 2px 20px no-repeat,
    linear-gradient(var(--teal) 0 0) 0 100% / 20px 2px no-repeat,
    linear-gradient(var(--teal) 0 0) 0 100% / 2px 20px no-repeat,
    linear-gradient(var(--teal) 0 0) 100% 100% / 20px 2px no-repeat,
    linear-gradient(var(--teal) 0 0) 100% 100% / 2px 20px no-repeat;
}

@media (prefers-reduced-motion: reduce) {
  .hero-rings { animation: none; }
  .hero-scroll-dot::after { animation: none; opacity: 1; }
  .btn::after { transition: none; }
}