:root {
  --bg: #eef3ef;
  --bg-deep: #dfe9e2;
  --ink: #0c1f17;
  --ink-soft: #355045;
  --primary: #0d8f5b;
  --primary-deep: #076644;
  --accent: #e8a317;
  --accent-ink: #1a1405;
  --line: rgba(12, 31, 23, 0.12);
  --glass: rgba(255, 255, 255, 0.72);
  --hero-ink: #f4faf6;
  --shadow: 0 24px 60px rgba(7, 26, 18, 0.18);
  --radius: 18px;
  --font-display: "Russo One", "Vazirmatn", sans-serif;
  --font-ui: "Chakra Petch", "Vazirmatn", sans-serif;
  --font-fa: "Vazirmatn", "Chakra Petch", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 90% -10%, rgba(232, 163, 23, 0.18), transparent 55%),
    radial-gradient(900px 500px at -10% 20%, rgba(13, 143, 91, 0.16), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, #f7faf8 40%, var(--bg-deep) 100%);
  font-family: var(--font-fa);
  line-height: 1.65;
  overflow-x: hidden;
}

body[data-lang="en"] {
  font-family: var(--font-ui);
}

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

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

button {
  font: inherit;
}

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -100px;
  z-index: 100;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 999px;
}

.skip-link:focus {
  top: 1rem;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(238, 243, 239, 0.78);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.brand-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.85rem;
  background:
    linear-gradient(145deg, var(--primary) 0%, var(--primary-deep) 55%, transparent 56%),
    linear-gradient(325deg, var(--accent) 0 48%, #0c1f17 49%);
  box-shadow: 0 10px 24px rgba(13, 143, 91, 0.28);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.brand-text small {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.nav {
  display: none;
  gap: 1.4rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav a {
  position: relative;
  cursor: pointer;
  transition: color 200ms var(--ease);
}

.nav a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -0.35rem;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 220ms var(--ease);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--primary-deep);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.lang-toggle {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  border-radius: 999px;
  min-width: 3rem;
  height: 2.4rem;
  padding: 0 0.85rem;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.lang-toggle:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), background 200ms var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible,
.lang-toggle:focus-visible,
.social-link:focus-visible,
.nav a:focus-visible {
  outline: 3px solid rgba(13, 143, 91, 0.45);
  outline-offset: 3px;
}

.btn-sm {
  min-height: 2.4rem;
  padding: 0 1rem;
  font-size: 0.92rem;
}

.btn-lg {
  min-height: 3.3rem;
  padding: 0 1.55rem;
  font-size: 1.05rem;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent) 0%, #f0bc45 45%, var(--accent) 100%);
  color: var(--accent-ink);
  box-shadow: 0 14px 34px rgba(232, 163, 23, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 18px 40px rgba(232, 163, 23, 0.45);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: var(--hero-ink);
  border-color: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
}

.hero {
  position: relative;
  min-height: min(100vh, 920px);
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--hero-ink);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: heroZoom 18s var(--ease) infinite alternate;
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 26, 18, 0.35) 0%, rgba(7, 26, 18, 0.55) 42%, rgba(7, 26, 18, 0.88) 100%),
    linear-gradient(90deg, rgba(7, 26, 18, 0.55), transparent 55%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, transparent 85%);
  opacity: 0.35;
}

.hero-content {
  position: relative;
  padding: 7rem 0 4.5rem;
  max-width: 760px;
}

.brand-hero {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 9vw, 5.6rem);
  letter-spacing: 0.02em;
  line-height: 0.95;
  text-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-fa);
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  font-weight: 800;
  line-height: 1.35;
  max-width: 18ch;
}

body[data-lang="en"] .hero h1 {
  font-family: var(--font-ui);
  max-width: 16ch;
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 34ch;
  font-size: 1.08rem;
  color: rgba(244, 250, 246, 0.88);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.section {
  padding: 5.5rem 0;
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.5rem;
}

.section-head h2,
.play-copy h2,
.final-panel h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.2;
  font-weight: 800;
}

.section-head p,
.play-copy p,
.final-panel p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.benefit-rail {
  display: grid;
  gap: 1rem;
}

.benefit {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.35rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  transition: transform 250ms var(--ease);
}

.benefit:hover {
  transform: translateY(-4px);
}

.benefit-icon {
  width: 2.6rem;
  height: 2.6rem;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 0.9rem;
  color: var(--primary-deep);
  background: linear-gradient(145deg, rgba(13, 143, 91, 0.16), rgba(232, 163, 23, 0.16));
}

.benefit-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.benefit h3 {
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
}

.benefit p {
  margin: 0;
  color: var(--ink-soft);
}

.play {
  background:
    linear-gradient(180deg, transparent, rgba(13, 143, 91, 0.06), transparent);
}

.play-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.play-copy .btn {
  margin-top: 1.5rem;
}

.play-visual {
  display: grid;
  gap: 1rem;
}

.media-panel {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 1.4rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.media-panel img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 700ms var(--ease);
}

.media-panel:hover img {
  transform: scale(1.05);
}

.media-panel figcaption {
  position: absolute;
  inset-inline-start: 1rem;
  bottom: 1rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: rgba(12, 31, 23, 0.72);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
}

.social-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.social-link:hover {
  transform: translateY(-3px);
  border-color: rgba(13, 143, 91, 0.35);
  background: #fff;
}

.social-icon {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.85rem;
  display: grid;
  place-items: center;
  color: var(--primary-deep);
  background: rgba(13, 143, 91, 0.12);
  flex-shrink: 0;
}

.social-icon svg {
  width: 1.2rem;
  height: 1.2rem;
}

.social-link strong {
  display: block;
  font-size: 1rem;
}

.social-link small {
  color: var(--ink-soft);
}

.final-cta {
  padding-top: 2rem;
}

.final-panel {
  text-align: center;
  padding: 3rem 1.5rem;
  border-radius: 1.75rem;
  background:
    radial-gradient(500px 180px at 50% 0%, rgba(232, 163, 23, 0.22), transparent 70%),
    linear-gradient(160deg, #0c1f17 0%, #134d36 100%);
  color: #f4faf6;
  box-shadow: var(--shadow);
}

.final-panel p {
  color: rgba(244, 250, 246, 0.82);
  margin-bottom: 1.5rem;
}

.final-panel .btn-primary {
  margin-top: 0.25rem;
}

.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  gap: 0.75rem;
}

.footer-brand {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: baseline;
}

.footer-brand strong {
  font-family: var(--font-display);
  letter-spacing: 0.03em;
}

.footer-brand span,
.footer-keywords,
.footer-note {
  color: var(--ink-soft);
  margin: 0;
  font-size: 0.92rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@keyframes heroZoom {
  from { transform: scale(1.06); }
  to { transform: scale(1.14); }
}

@media (min-width: 720px) {
  .nav {
    display: flex;
  }

  .benefit-rail {
    grid-template-columns: repeat(3, 1fr);
  }

  .play-visual {
    grid-template-columns: 1.2fr 1fr;
    align-items: end;
  }

  .media-panel-offset {
    transform: translateY(-1.5rem);
  }

  .media-panel img {
    height: 280px;
  }

  .social-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 980px) {
  .play-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
  }

  .hero-content {
    padding-bottom: 5.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media img,
  .benefit,
  .social-link,
  .btn,
  .media-panel img,
  [data-reveal] {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }

  [data-reveal] {
    opacity: 1;
  }
}