@font-face {
  font-family: "Big Shoulders Display";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/big-shoulders-display-700.woff2") format("woff2");
}

@font-face {
  font-family: "Big Shoulders Display";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("../fonts/big-shoulders-display-800.woff2") format("woff2");
}

@font-face {
  font-family: "Commissioner";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/commissioner-400.woff2") format("woff2");
}

@font-face {
  font-family: "Commissioner";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/commissioner-600.woff2") format("woff2");
}

:root {
  --ink: #171914;
  --slate: #3e453f;
  --ash: #7d8479;
  --mist: #cfd6c8;
  --paper: #e7ebe3;
  --foam: #f4f6f1;
  --moss: #5c7a2e;
  --lichen: #8fb03a;
  --bs-primary: #5c7a2e;
  --bs-border-radius: 2px;
  --bs-border-radius-sm: 2px;
  --bs-border-radius-lg: 2px;
  --bs-border-radius-pill: 2px;
  --display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --body: "Commissioner", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --song: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.fs-body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(143, 176, 58, 0.08), transparent 55%),
    linear-gradient(180deg, #dfe4d8 0%, var(--paper) 28%, var(--foam) 100%);
  font-family: var(--body);
  font-size: 1.05rem;
  line-height: 1.65;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--moss);
}

a:hover {
  color: var(--ink);
}

.fs-skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 2000;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: #fff;
}

.fs-skip:focus {
  top: 1rem;
  color: #fff;
}

.fs-nav {
  position: relative;
  z-index: 30;
  border-bottom: 1px solid var(--mist);
  background: #f7f8f4;
  box-shadow: 0 1px 0 rgba(23, 25, 20, 0.06);
}

.fs-nav .navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink) !important;
  text-decoration: none;
}

.fs-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  color: var(--lichen);
}

.fs-brand-name {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1;
}

.fs-nav .nav-link {
  position: relative;
  padding: 0.45rem 0.55rem;
  color: var(--ink) !important;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.fs-nav .nav-link:hover,
.fs-nav .nav-link:focus,
.fs-nav .nav-link.is-active {
  color: var(--moss) !important;
}

.fs-nav .nav-link::after {
  position: absolute;
  right: 0.55rem;
  bottom: 0.15rem;
  left: 0.55rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
  content: "";
}

.fs-nav .nav-link:hover::after,
.fs-nav .nav-link.is-active::after {
  transform: scaleX(1);
}

.fs-nav .navbar-toggler {
  border: 1px solid currentColor;
  border-radius: 2px;
}

.fs-nav .navbar-toggler-icon {
  width: 1.3rem;
  height: 1.3rem;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23171914' stroke-linecap='square' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.fs-hero {
  position: relative;
  display: flex;
  min-height: calc(100vh - 4.5rem);
  align-items: flex-end;
  overflow: hidden;
  color: #f6f7f3;
}

.fs-hero__media {
  position: absolute;
  inset: 0;
}

.fs-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: fs-drift 22s ease-out forwards;
}

.fs-hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 20, 16, 0.28) 0%, rgba(18, 20, 16, 0.08) 55%, rgba(18, 20, 16, 0.18) 100%),
    linear-gradient(180deg, rgba(18, 20, 16, 0.05) 0%, rgba(18, 20, 16, 0.42) 100%);
}

.fs-hero__copy {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0 0 4.5rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.fs-hero__brand {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(4.4rem, 12vw, 9.5rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 0.82;
  text-transform: uppercase;
}

.fs-hero__cn {
  display: block;
  margin-top: 0.35rem;
  color: #e4edb4;
  font-family: var(--song);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  letter-spacing: 0.4em;
}

.fs-hero__lead {
  max-width: 28rem;
  margin: 1.4rem 0 1.8rem;
  color: #e8ebe3;
  font-size: 1.12rem;
}

.fs-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.fs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.fs-btn:hover {
  transform: translateY(-1px);
}

.fs-btn--solid {
  background: var(--lichen);
  color: var(--ink);
}

.fs-btn--solid:hover {
  background: #dce8a8;
  color: var(--ink);
}

.fs-btn--ghost {
  border-color: rgba(246, 247, 243, 0.7);
  color: #f6f7f3;
}

.fs-btn--ghost:hover {
  background: #f6f7f3;
  color: var(--ink);
}

.fs-btn--ink {
  background: var(--ink);
  color: #f6f7f3;
}

.fs-btn--ink:hover {
  background: var(--moss);
  color: #fff;
}

.fs-btn--line {
  border-color: var(--ink);
  color: var(--ink);
}

.fs-btn--line:hover {
  background: var(--ink);
  color: #f6f7f3;
}

.fs-section {
  padding: 5.5rem 0;
}

.fs-section--tight {
  padding: 3.5rem 0 5rem;
}

.fs-kicker {
  margin: 0 0 0.4rem;
  color: var(--moss);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.fs-title {
  margin: 0 0 0.8rem;
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 0.92;
  text-transform: uppercase;
}

.fs-lede {
  max-width: 38rem;
  margin: 0 0 2.2rem;
  color: var(--slate);
}

.fs-pagehead {
  position: relative;
  min-height: 42vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #f6f7f3;
}

.fs-pagehead__media,
.fs-pagehead__shade {
  position: absolute;
  inset: 0;
}

.fs-pagehead__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fs-pagehead__shade {
  background: linear-gradient(180deg, rgba(23, 25, 20, 0.15), rgba(23, 25, 20, 0.72));
}

.fs-pagehead__copy {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.6rem 0 2.2rem;
}

.fs-pagehead .fs-kicker,
.fs-pagehead .fs-kicker a {
  color: #e4edb4;
}

.fs-pagehead .fs-title {
  margin: 0;
}

.fs-mosaic {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

@media (min-width: 768px) {
  .fs-mosaic {
    grid-template-columns: repeat(4, 1fr);
  }
}

.fs-tile {
  display: block;
  color: inherit;
  text-decoration: none;
}

.fs-tile figure {
  margin: 0;
  overflow: hidden;
}

.fs-tile img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.92);
  transition: transform 0.7s ease, filter 0.7s ease;
}

.fs-tile:hover img {
  transform: scale(1.04);
  filter: saturate(1.05);
}

.fs-tile figcaption {
  display: flex;
  justify-content: space-between;
  padding: 0.7rem 0 0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.fs-split {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 992px) {
  .fs-split {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 4rem;
  }
}

.fs-quote {
  margin: 0;
  font-family: var(--song);
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  line-height: 1.45;
}

.fs-quote cite {
  display: block;
  margin-top: 1rem;
  color: var(--ash);
  font-family: var(--body);
  font-size: 0.85rem;
  font-style: normal;
  letter-spacing: 0.08em;
}

.fs-prose p + p {
  margin-top: 1rem;
}

.fs-spec {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
}

.fs-spec th,
.fs-spec td {
  padding: 0.9rem 0.7rem;
  border-bottom: 1px solid var(--mist);
  text-align: left;
  font-size: 0.92rem;
}

.fs-spec th {
  color: var(--ash);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.fs-columns {
  display: grid;
  gap: 2.2rem;
}

@media (min-width: 900px) {
  .fs-columns {
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
  }
}

.fs-columns h2 {
  margin: 0 0 0.7rem;
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--lichen);
  font-family: var(--display);
  font-size: 2rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fs-cert {
  display: flex;
  justify-content: center;
  padding: 1rem 0 2rem;
}

.fs-cert img {
  width: min(640px, 100%);
}

.fs-player {
  overflow: hidden;
  background: #171914;
}

.fs-player video {
  display: block;
  width: 100%;
  max-height: 72vh;
  background: #171914;
}

.fs-doc {
  display: grid;
  gap: 1.25rem;
}

.fs-doc a {
  display: grid;
  grid-template-columns: 7.5rem 1fr auto;
  gap: 1.1rem;
  align-items: center;
  color: inherit;
  text-decoration: none;
}

.fs-doc img {
  width: 7.5rem;
  height: 5.4rem;
  object-fit: cover;
}

.fs-doc strong {
  display: block;
  font-size: 1.05rem;
}

.fs-doc span {
  color: var(--ash);
  font-size: 0.88rem;
}

.fs-gallery__stage {
  display: grid;
  gap: 1.4rem;
  margin-bottom: 2rem;
}

@media (min-width: 900px) {
  .fs-gallery__stage--pair {
    grid-template-columns: 1fr 1fr;
  }
}

.fs-gallery__frame {
  margin: 0;
}

.fs-gallery__frame img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #d7dcd2;
}

.fs-gallery__stage:not(.fs-gallery__stage--pair) .fs-gallery__frame img {
  aspect-ratio: 16 / 9;
}

.fs-gallery__frame figcaption {
  margin-top: 0.65rem;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fs-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 0.65rem;
}

.fs-thumbs button {
  padding: 0;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
}

.fs-thumbs button.is-active,
.fs-thumbs button:hover {
  border-color: var(--ink);
}

.fs-thumbs img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.fs-contact {
  display: grid;
  gap: 1rem;
}

.fs-contact a {
  color: inherit;
  text-decoration: none;
}

.fs-contact a:hover {
  color: var(--moss);
}

.fs-footer {
  padding: 2.2rem 0;
  background:
    linear-gradient(180deg, rgba(23, 25, 20, 0.92), rgba(23, 25, 20, 0.98)),
    url("../images/free/p_F1.jpg") center / cover;
  color: #d7ddd0;
  font-size: 0.86rem;
}

.fs-footer a {
  color: #eef3d8;
  text-decoration: none;
}

.fs-footer a:hover {
  color: #fff;
}

.fs-reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: fs-rise 0.9s ease forwards;
}

.fs-reveal:nth-child(2) { animation-delay: 0.08s; }
.fs-reveal:nth-child(3) { animation-delay: 0.16s; }
.fs-reveal:nth-child(4) { animation-delay: 0.24s; }

@keyframes fs-drift {
  to { transform: scale(1); }
}

@keyframes fs-rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 767.98px) {
  .fs-hero__copy {
    padding-bottom: 3rem;
  }

  .fs-hero__brand {
    letter-spacing: 0.02em;
  }

  .fs-doc a {
    grid-template-columns: 5.5rem 1fr;
  }

  .fs-doc em {
    display: none;
  }

  .fs-nav .navbar-collapse {
    margin-top: 0.7rem;
    padding: 0.6rem 0.4rem 0.8rem;
    background: #eef1ea;
    border: 1px solid var(--mist);
  }

  .fs-nav .navbar-collapse .nav-link {
    color: var(--ink) !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fs-hero__media img,
  .fs-reveal,
  .fs-tile img {
    animation: none;
    transform: none;
    transition: none;
    opacity: 1;
  }
}