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

@font-face {
  font-family: "IRANSansX";
  src: url("woff2/IRANSansX-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-main: #ecfeff;
  --bg-alt: #f9fafb;
  --bg-soft: #e0f2fe;
  --bg-sand: #fffbeb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --border-subtle: #e2e8f0;
  --border-strong: #0ea5e9;
  --text-main: #0f172a;
  --text-soft: #64748b;
  --accent: #0ea5e9;
  --accent-strong: #0284c7;
  --accent-soft: #e0f2fe;
  --secondary: #22c55e;
  --warm: #fbbf24;
  --shadow-soft: 0 18px 55px rgba(15, 23, 42, 0.15);
  --radius-lg: 1.75rem;
  --radius-md: 1.1rem;
  --radius-sm: 0.75rem;
  --content-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IRANSansX", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 400;
  color: var(--text-main);
  background:
    radial-gradient(circle at top, rgba(14, 165, 233, 0.18), transparent 55%),
    linear-gradient(180deg, var(--bg-main) 0, var(--bg-alt) 50%, var(--bg-sand) 100%);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

img {
  height: auto;
}

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

a:hover,
a:focus-visible {
  color: var(--accent-strong);
}

button {
  font-family: inherit;
}

strong {
  font-weight: 700;
}

.site-header {
  position: relative;
  background: linear-gradient(180deg, #e0faff 0%, #f9fafb 70%);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  backdrop-filter: blur(14px);
  background: rgba(248, 250, 252, 0.92);
  border-bottom: 1px solid rgba(148, 163, 184, 0.45);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.nav__logo-mark {
  position: relative;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  background: radial-gradient(circle at 25% 0, #e0f2fe, transparent 55%),
    radial-gradient(circle at 75% 95%, #fef9c3, transparent 55%),
    linear-gradient(135deg, #0ea5e9, #22c55e 60%, #fbbf24 100%);
  box-shadow: 0 14px 34px rgba(14, 165, 233, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__logo-fish {
  position: relative;
  width: 1.4rem;
  height: 0.9rem;
  border-radius: 999px;
  background: radial-gradient(circle at 0 50%, #f9fafb 0, #bae6fd 60%, #0ea5e9 100%);
}

.nav__logo-fish::before,
.nav__logo-fish::after {
  content: "";
  position: absolute;
}

.nav__logo-fish::before {
  inset: -0.22rem -0.4rem auto auto;
  border-radius: 999px;
  border: 2px solid rgba(248, 250, 252, 0.7);
  border-left-color: transparent;
  border-bottom-color: transparent;
}

.nav__logo-fish::after {
  left: 0.25rem;
  top: 0.32rem;
  width: 0.16rem;
  height: 0.16rem;
  border-radius: 999px;
  background: #0f172a;
}

.nav__brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.nav__logo-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.nav__logo-sub {
  font-size: 0.78rem;
  color: var(--text-soft);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
}

.nav__links a {
  position: relative;
  padding-inline: 0.2rem;
  color: var(--text-soft);
  transition: color 0.2s ease;
}

.nav__links a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -0.35rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0ea5e9, #22c55e);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.nav__links a:hover::after,
.nav__links a:focus-visible::after {
  transform: scaleX(1);
}

.nav__links a:hover,
.nav__links a:focus-visible {
  color: var(--accent-strong);
}

.nav-toggle {
  display: none;
  margin-inline-start: auto;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: rgba(248, 250, 252, 0.96);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.nav-toggle__line {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: #0f172a;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3.2rem 1.5rem 4.2rem;
  overflow: hidden;
}

.hero__background {
  position: absolute;
  inset: 0;
  background-image: url("photo2.jpg");
  background-size: cover;
  background-position: center;
  filter: saturate(1.05) contrast(1.03);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 0, rgba(224, 242, 254, 0.95), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(252, 231, 243, 0.7), transparent 55%),
    linear-gradient(90deg, rgba(248, 250, 252, 0.95), rgba(248, 250, 252, 0.7));
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 2.3rem 2.4rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(191, 219, 254, 0.95);
  box-shadow: var(--shadow-soft);
}

.hero__badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  font-size: 0.78rem;
  color: #0f172a;
  background: var(--accent-soft);
}

.hero__badge--main {
  background: linear-gradient(135deg, #0ea5e9, #22c55e);
  color: #f9fafb;
}

.hero__badge--capacity {
  background: #fef9c3;
}

.hero__badge--river {
  background: #dcfce7;
}

.hero__title {
  margin: 0 0 0.8rem;
  font-size: clamp(2rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: #0f172a;
}

.hero__subtitle {
  margin: 0 0 1.3rem;
  font-size: 0.98rem;
  color: var(--text-soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.1rem;
}

.hero__meta {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.hero__wave {
  position: absolute;
  inset-inline: -20%;
  height: 90px;
  background: radial-gradient(circle at 0 0, rgba(14, 165, 233, 0.18), transparent 60%),
    radial-gradient(circle at 100% 0, rgba(56, 189, 248, 0.24), transparent 60%);
  opacity: 0.8;
}

.hero__wave--top {
  top: -35px;
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
}

.hero__wave--bottom {
  bottom: -55px;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    transform 0.1s ease,
    box-shadow 0.2s ease,
    color 0.2s ease;
}

.btn--primary {
  background: linear-gradient(135deg, #0ea5e9, #22c55e);
  color: #f9fafb;
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.45);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: linear-gradient(135deg, #0284c7, #16a34a);
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(14, 165, 233, 0.55);
}

.btn--outline {
  background: #ffffff;
  border-color: rgba(148, 163, 184, 0.7);
  color: var(--text-main);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.section {
  padding-block: 3.4rem;
}

.section--about {
  background: radial-gradient(circle at top, rgba(219, 234, 254, 0.85), #f9fafb 60%);
}

.section--trout {
  background: radial-gradient(circle at top right, rgba(187, 247, 208, 0.8), #ecfeff 60%);
}

.section--facilities {
  background: #f8fafc;
}

.section--gallery {
  background: linear-gradient(180deg, #fffbeb 0, #fefce8 50%, #f9fafb 100%);
}

.section--video {
  background: #eff6ff;
}

.section--region {
  background: radial-gradient(circle at top, rgba(224, 242, 254, 0.9), #f8fafc 60%);
}

.section--contact {
  background: radial-gradient(circle at top, rgba(219, 234, 254, 0.9), #f9fafb 70%);
}

.section__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding-inline: 1.5rem;
}

.section__inner--narrow {
  max-width: 740px;
}

.section__inner--split {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.3fr);
  gap: 2.4rem;
  align-items: start;
}

.section__header {
  margin-bottom: 1.8rem;
}

.section__header--center {
  text-align: center;
}

.section__title {
  margin: 0 0 0.75rem;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #0f172a;
}

.section__subtitle {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-soft);
}

.section__text-block p {
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.metrics-panel {
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.6rem 1.7rem;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.2), transparent 60%),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.18), transparent 60%),
    linear-gradient(135deg, #eff6ff, #e0f2fe);
  border: 1px solid rgba(129, 212, 250, 0.9);
  box-shadow: var(--shadow-soft);
}

.metrics-panel__row {
  display: flex;
  gap: 0.9rem;
  margin-bottom: 0.9rem;
}

.metric {
  flex: 1;
  border-radius: var(--radius-md);
  padding: 0.7rem 0.9rem;
  background: rgba(248, 250, 252, 0.9);
}

.metric__label {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
  color: var(--text-soft);
}

.metric__value {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: #0f172a;
}

.metric__value span {
  margin-right: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-soft);
}

.metrics-panel__list {
  margin: 0.5rem 0 0;
  padding-inline-start: 1.2rem;
  list-style: none;
  font-size: 0.9rem;
  color: var(--text-main);
}

.metrics-panel__list li {
  position: relative;
  margin-bottom: 0.45rem;
}

.metrics-panel__list li::before {
  content: "";
  position: absolute;
  right: -0.8rem;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0ea5e9, #22c55e);
}

.trout-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.trout-card {
  border-radius: var(--radius-md);
  padding: 1.35rem 1.25rem 1.5rem;
  background: rgba(248, 250, 252, 0.98);
  border: 1px solid rgba(203, 213, 225, 0.9);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
}

.trout-card__title {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  font-weight: 700;
}

.trout-card__text {
  margin: 0 0 0.55rem;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.facility-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.1fr);
  gap: 2.3rem;
  align-items: start;
}

.facility-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.facility-group:last-child {
  grid-column: 1 / -1;
}

.facility-group__title {
  margin: 0 0 0.6rem;
  font-size: 0.98rem;
  font-weight: 700;
}

.facility-list {
  margin: 0;
  padding-inline-start: 1.2rem;
  list-style: none;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.facility-list li {
  position: relative;
  margin-bottom: 0.5rem;
}

.facility-list li::before {
  content: "";
  position: absolute;
  right: -1rem;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: linear-gradient(135deg, #0ea5e9, #fbbf24);
}

.facility-note {
  border-radius: var(--radius-lg);
  padding: 1.7rem 1.6rem 1.8rem;
  background:
    radial-gradient(circle at top, rgba(224, 242, 254, 0.95), transparent 60%),
    linear-gradient(135deg, #ffffff, #f9fafb);
  border: 1px solid rgba(191, 219, 254, 0.95);
  box-shadow: var(--shadow-soft);
}

.facility-note__title {
  margin: 0 0 0.7rem;
  font-size: 1rem;
  font-weight: 700;
}

.facility-note p {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.gallery-item {
  border-radius: 1.4rem;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(226, 232, 240, 0.95);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.gallery-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.6s ease, filter 0.6s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
  filter: saturate(1.07) contrast(1.03);
}

.gallery-item figcaption {
  padding: 0.85rem 1rem 1.1rem;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.video-wrapper,
.map-wrapper {
  position: relative;
  border-radius: 1.5rem;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(203, 213, 225, 0.9);
  box-shadow: 0 20px 55px rgba(15, 23, 42, 0.14);
}

.video-wrapper video,
.map-wrapper iframe {
  width: 100%;
  height: 100%;
}

.video-wrapper {
  aspect-ratio: 16 / 9;
}

.map-wrapper {
  min-height: 260px;
}

.seo-text p {
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.contact-card {
  border-radius: 1.6rem;
  padding: 1.8rem 1.8rem 2rem;
  background:
    radial-gradient(circle at top left, rgba(224, 242, 254, 0.9), transparent 60%),
    linear-gradient(135deg, #ffffff, #f9fafb);
  border: 1px solid rgba(191, 219, 254, 0.95);
  box-shadow: var(--shadow-soft);
}

.contact-card__line {
  margin: 0 0 0.8rem;
  font-size: 0.93rem;
  color: var(--text-main);
}

.contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.site-footer {
  border-top: 1px solid rgba(226, 232, 240, 1);
  background: #ffffff;
}

.site-footer__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1.7rem 1.5rem 2rem;
  text-align: center;
}

.site-footer__title {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.site-footer__text {
  margin: 0 0 0.3rem;
  font-size: 0.86rem;
  color: var(--text-soft);
}

.site-footer__meta {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(148, 163, 184, 0.9);
}

@media (max-width: 1000px) {
  .section__inner--split {
    grid-template-columns: minmax(0, 1fr);
  }

  .facility-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 900px) {
  .trout-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .facility-groups {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .nav {
    padding-inline: 1.25rem;
  }

  .nav__links {
    position: absolute;
    inset-inline: 1.25rem;
    top: calc(100% + 0.7rem);
    margin: 0;
    padding: 0.9rem 1.1rem;
    border-radius: 1.1rem;
    background: #ffffff;
    border: 1px solid rgba(203, 213, 225, 0.95);
    box-shadow: 0 16px 35px rgba(15, 23, 42, 0.12);
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav__links a {
    width: 100%;
    padding-block: 0.35rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  body.nav-open .nav__links {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .hero {
    padding: 2.6rem 1.25rem 3rem;
  }

  .hero__content {
    padding: 1.7rem 1.6rem 2rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .gallery-item img {
    height: 210px;
  }

  .contact-card__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 1.75rem;
  }

  .hero__subtitle {
    font-size: 0.9rem;
  }

  .hero__content {
    padding-inline: 1.3rem;
  }
}