:root {
  color-scheme: dark;
  --bg: #071a1f;
  --panel: #0d2730;
  --panel-2: #103741;
  --ink: #f4fbfb;
  --muted: rgba(244, 251, 251, 0.72);
  --line: rgba(255, 255, 255, 0.13);
  --reef: #52e3cf;
  --sun: #ffd166;
  --coral: #ff7b73;
  --leaf: #9bf77b;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 14% 10%, rgba(82, 227, 207, 0.22), transparent 28rem),
    radial-gradient(circle at 86% 4%, rgba(255, 209, 102, 0.14), transparent 22rem),
    linear-gradient(180deg, #041115 0%, var(--bg) 48%, #031013 100%);
  color: var(--ink);
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(4, 17, 21, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(from 210deg, var(--reef), var(--sun), var(--coral), var(--reef));
  color: #062026;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.brand strong,
footer strong {
  display: block;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}

.brand small,
footer span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

nav a,
.filter,
.button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  text-decoration: none;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 760;
}

nav a {
  padding: 9px 13px;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 420px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 0.9fr;
  align-items: center;
  gap: clamp(22px, 5vw, 56px);
  padding: clamp(36px, 8vw, 86px) 0 38px;
}

.hero-copy h1,
.toolbar h2,
.care-section h2,
.inquiry-copy h2 {
  margin: 0;
  color: #ffffff;
  letter-spacing: 0;
}

.hero-copy h1 {
  max-width: 760px;
  font-size: clamp(2.6rem, 6vw, 5.75rem);
  line-height: 0.92;
}

.hero-copy p:last-child {
  max-width: 690px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.6;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--reef);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-panel {
  min-height: 300px;
  display: grid;
  align-content: end;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(rgba(5, 22, 27, 0.12), rgba(5, 22, 27, 0.62)),
    url("https://commons.wikimedia.org/wiki/Special:FilePath/Guppy_-_male_and_female.jpg") center / cover;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.hero-panel div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(3, 16, 19, 0.76);
}

.hero-panel span {
  color: var(--muted);
  font-weight: 750;
}

.hero-panel strong {
  color: #ffffff;
}

.toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 0 18px;
  border-top: 1px solid var(--line);
}

.toolbar h2,
.care-section h2,
.inquiry-copy h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.filter {
  cursor: pointer;
  padding: 9px 13px;
}

.filter.active {
  border-color: rgba(82, 227, 207, 0.74);
  background: rgba(82, 227, 207, 0.16);
  color: #ffffff;
}

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

.fish-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035));
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.fish-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
  background: #0b2b33;
}

.fish-body {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.fish-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.fish-top h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.05;
}

.latin {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-style: italic;
  font-weight: 650;
}

.price {
  flex: 0 0 auto;
  padding: 7px 9px;
  border-radius: 999px;
  background: rgba(255, 209, 102, 0.16);
  color: var(--sun);
  font-weight: 900;
}

.fish-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tags span {
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: rgba(244, 251, 251, 0.82);
  font-size: 0.75rem;
  font-weight: 760;
}

.care-section,
.inquiry-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(20px, 5vw, 48px);
  margin-top: 52px;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

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

.care-grid article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(3, 16, 19, 0.42);
}

.care-grid h3 {
  margin: 0 0 8px;
}

.care-grid p,
.inquiry-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.inquiry-form label:last-of-type,
.button {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(3, 16, 19, 0.72);
  color: #ffffff;
  font: inherit;
  padding: 12px 13px;
}

textarea {
  resize: vertical;
}

.button {
  display: inline-flex;
  justify-content: center;
  padding: 13px 16px;
  background: linear-gradient(135deg, rgba(82, 227, 207, 0.9), rgba(255, 209, 102, 0.92));
  color: #062026;
}

footer {
  width: min(1180px, calc(100% - 32px));
  margin: 34px auto 0;
  padding: 24px 0 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer a {
  color: var(--reef);
  font-weight: 850;
  text-decoration: none;
}

@media (max-width: 920px) {
  .hero,
  .care-section,
  .inquiry-section {
    grid-template-columns: 1fr;
  }

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

  .toolbar {
    align-items: start;
    flex-direction: column;
  }

  .filter-group {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  nav a {
    flex: 1;
    text-align: center;
  }

  .hero-copy h1 {
    font-size: 2.35rem;
  }

  .catalog,
  .care-grid,
  .inquiry-form {
    grid-template-columns: 1fr;
  }

  .care-section,
  .inquiry-section {
    padding: 22px;
  }
}