:root {
  --midnight: #0b1020;
  --night: #0f1728;
  --deep: #071013;
  --ivory: #f2f0e8;
  --ivory-muted: #c7c9c3;
  --mineral: #4f9189;
  --mineral-bright: #77b6ad;
  --amber: #d6a15c;
  --line: rgba(242, 240, 232, 0.14);
  --page: min(1180px, calc(100vw - 48px));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ivory);
  background: var(--midnight);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--midnight);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ivory);
  background:
    radial-gradient(circle at 15% 4%, rgba(79, 145, 137, 0.09), transparent 30rem),
    var(--midnight);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: 20;
  inset: 0;
  pointer-events: none;
  content: "";
  box-shadow: inset 0 0 0 1px rgba(242, 240, 232, 0.04);
}

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

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  color: var(--midnight);
  background: var(--ivory);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 50%;
  display: flex;
  width: var(--page);
  min-height: 106px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(242, 240, 232, 0.18);
  transform: translateX(-50%);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 202px;
  height: auto;
  clip-path: inset(0 0 0 0);
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 44px);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
}

nav a:not(.nav-cta) {
  color: rgba(242, 240, 232, 0.74);
  transition: color 180ms ease;
}

nav a:not(.nav-cta):hover,
nav a:not(.nav-cta):focus-visible {
  color: var(--ivory);
}

.nav-cta {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 16px;
  padding: 0 18px;
  border: 1px solid rgba(242, 240, 232, 0.42);
  transition: border-color 180ms ease, background 180ms ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  border-color: var(--mineral-bright);
  background: rgba(79, 145, 137, 0.12);
}

.hero {
  position: relative;
  display: grid;
  min-height: min(880px, 100svh);
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-image,
.hero-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
}

.hero-image {
  background-image: url("hero-forest.jpg");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
  animation: hero-breathe 18s ease-in-out infinite alternate;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(7, 13, 24, 0.95) 0%, rgba(7, 13, 24, 0.76) 42%, rgba(7, 13, 24, 0.28) 74%, rgba(7, 13, 24, 0.46) 100%),
    linear-gradient(0deg, var(--midnight) 0%, transparent 26%, rgba(7, 13, 24, 0.18) 100%);
}

.hero-content {
  width: var(--page);
  padding-top: 112px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 0 0 26px;
  color: var(--mineral-bright);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.19em;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow span {
  width: 34px;
  height: 1px;
  background: var(--amber);
}

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

h1 {
  max-width: 930px;
  margin-bottom: 30px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.8rem, 7.8vw, 7.7rem);
  font-weight: 400;
  letter-spacing: -0.057em;
  line-height: 0.92;
  text-wrap: balance;
}

.hero-copy {
  max-width: 590px;
  margin-bottom: 40px;
  color: rgba(242, 240, 232, 0.78);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
}

.button {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 0 24px;
  font-size: 0.92rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.button-primary {
  color: var(--midnight);
  background: var(--ivory);
}

.button-primary:hover,
.button-primary:focus-visible {
  color: var(--ivory);
  background: var(--mineral);
  transform: translateY(-2px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(242, 240, 232, 0.45);
  color: var(--ivory);
  font-size: 0.95rem;
  transition: border-color 180ms ease, color 180ms ease;
}

.text-link:hover,
.text-link:focus-visible {
  border-color: var(--mineral-bright);
  color: var(--mineral-bright);
}

.hero-note {
  position: absolute;
  right: 24px;
  bottom: 42px;
  margin: 0;
  color: rgba(242, 240, 232, 0.5);
  font-size: 0.65rem;
  letter-spacing: 0.33em;
  writing-mode: vertical-rl;
}

.sessions {
  width: var(--page);
  margin: 0 auto;
  padding: 116px 0 130px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 54px;
}

.section-heading h2,
.about h2 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.8rem, 5vw, 5.4rem);
  font-weight: 400;
  letter-spacing: -0.047em;
  line-height: 0.98;
}

.section-heading > p {
  margin-bottom: 7px;
  color: var(--ivory-muted);
  font-size: 1rem;
  line-height: 1.72;
}

.session-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.session-card {
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(15, 23, 40, 0.72);
  transition: border-color 220ms ease, transform 220ms ease;
}

.session-card:hover {
  border-color: rgba(119, 182, 173, 0.46);
  transform: translateY(-4px);
}

.session-image {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #091117;
}

.session-image::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(0deg, rgba(7, 13, 24, 0.4), transparent 48%);
}

.session-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1), filter 220ms ease;
}

.session-card:hover .session-image img,
.session-image:focus-visible img {
  transform: scale(1.035);
  filter: saturate(1.07);
}

.play {
  position: absolute;
  z-index: 2;
  right: 24px;
  bottom: 22px;
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid rgba(242, 240, 232, 0.66);
  border-radius: 50%;
  background: rgba(11, 16, 32, 0.62);
  backdrop-filter: blur(8px);
}

.play i {
  display: block;
  width: 0;
  height: 0;
  margin-left: 3px;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid var(--ivory);
}

.session-body {
  padding: 30px 30px 32px;
}

.session-meta {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

.session-meta span {
  padding: 6px 9px;
  border: 1px solid rgba(79, 145, 137, 0.32);
  color: var(--mineral-bright);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.session-body h3 {
  margin-bottom: 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.7rem, 2.7vw, 2.45rem);
  font-weight: 400;
  letter-spacing: -0.025em;
}

.session-body p {
  min-height: 52px;
  margin-bottom: 24px;
  color: var(--ivory-muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

.session-body > a {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  color: var(--ivory);
  font-size: 0.88rem;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.session-body > a:hover,
.session-body > a:focus-visible {
  color: var(--amber);
}

.about {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  min-height: 640px;
  border-top: 1px solid var(--line);
  background: var(--night);
}

.about-mark {
  display: grid;
  place-items: center;
  border-right: 1px solid var(--line);
  background:
    linear-gradient(rgba(79, 145, 137, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 145, 137, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
}

.about-mark img {
  width: min(38%, 220px);
  border-radius: 30px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
}

.about-copy {
  display: flex;
  max-width: 780px;
  flex-direction: column;
  justify-content: center;
  padding: 92px clamp(48px, 8vw, 130px);
}

.about-copy h2 {
  margin-bottom: 30px;
}

.about-copy > p:not(.eyebrow) {
  max-width: 670px;
  margin-bottom: 34px;
  color: var(--ivory-muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.about-copy .text-link {
  align-self: flex-start;
}

footer {
  display: grid;
  width: var(--page);
  min-height: 122px;
  margin: 0 auto;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  color: rgba(242, 240, 232, 0.55);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

footer p {
  margin: 0;
}

footer p:last-child {
  justify-self: end;
}

.footer-brand {
  color: var(--ivory);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.28em;
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 5px;
}

@keyframes hero-breathe {
  from { transform: scale(1.02); }
  to { transform: scale(1.065); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-image { animation: none; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 840px) {
  :root { --page: min(100% - 34px, 680px); }

  .site-header {
    min-height: 82px;
  }

  .brand img {
    width: 158px;
  }

  nav > a:not(.nav-cta) {
    display: none;
  }

  .hero {
    min-height: 820px;
    align-items: end;
  }

  .hero-image {
    background-position: 58% center;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, var(--midnight) 0%, rgba(7, 13, 24, 0.84) 52%, rgba(7, 13, 24, 0.4) 100%),
      linear-gradient(90deg, rgba(7, 13, 24, 0.74), transparent);
  }

  .hero-content {
    padding: 140px 0 94px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
  }

  .hero-note {
    display: none;
  }

  .section-heading,
  .session-grid,
  .about {
    grid-template-columns: 1fr;
  }

  .sessions {
    padding: 88px 0 96px;
  }

  .section-heading {
    gap: 24px;
    margin-bottom: 38px;
  }

  .about-mark {
    min-height: 360px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .about-mark img {
    width: 150px;
  }

  .about-copy {
    padding: 72px 28px 82px;
  }

  footer {
    min-height: 178px;
    grid-template-columns: 1fr;
    gap: 10px;
    align-content: center;
  }

  footer p:last-child {
    justify-self: start;
  }
}

@media (max-width: 480px) {
  :root { --page: calc(100% - 28px); }

  .brand img {
    width: 138px;
  }

  .nav-cta {
    min-height: 38px;
    gap: 10px;
    padding: 0 12px;
    font-size: 0.75rem;
  }

  h1 {
    font-size: clamp(3.15rem, 15vw, 4.4rem);
  }

  .hero-copy {
    font-size: 1rem;
  }

  .session-body {
    padding: 24px 22px 27px;
  }

  .session-body p {
    min-height: auto;
  }
}
