/* ============================================================
   Noshkār — نشخوار
   Landing page styles
   ------------------------------------------------------------
   Palette, typography, and motion derived from the Noshkār
   brand system. Earth tones, ample whitespace, slow motion.
   ============================================================ */

:root {
  /* brand tokens */
  --noshkar-olive:  #6B7A4B;
  --noshkar-olive-2:#4A5A30;
  --noshkar-sage:   #96A671;
  --noshkar-beige:  #E8DFC9;
  --noshkar-paper:  #F5F1E6;
  --noshkar-navy:   #2C3A4E;
  --noshkar-ink:    #1A1A1A;
  --noshkar-muted:  #9B9B93;

  /* semantic surfaces */
  --bg:       var(--noshkar-paper);
  --bg-alt:   var(--noshkar-beige);
  --fg:       var(--noshkar-navy);
  --fg-soft:  color-mix(in srgb, var(--noshkar-navy) 72%, transparent);
  --fg-faint: color-mix(in srgb, var(--noshkar-navy) 48%, transparent);
  --accent:   var(--noshkar-olive);
  --rule:     color-mix(in srgb, var(--noshkar-navy) 18%, transparent);

  /* type scale */
  --font-fa:  'Vazirmatn', 'Noto Naskh Arabic', system-ui, sans-serif;
  --font-en:  'Inter', system-ui, -apple-system, sans-serif;
  --font-mo:  'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --text-xs:  0.75rem;
  --text-sm:  0.875rem;
  --text-base:1rem;
  --text-md:  1.125rem;
  --text-lg:  1.375rem;
  --text-xl:  2rem;
  --text-2xl: 3rem;

  /* rhythm */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  /* motion */
  --ease-calm: cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* ---------- reset ---------- */

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-en);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
  position: relative;
  overflow-x: hidden;
}

/* subtle paper grain — pure CSS, no asset */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 20% 30%, color-mix(in srgb, var(--noshkar-olive) 6%, transparent) 0, transparent 55%),
    radial-gradient(circle at 80% 70%, color-mix(in srgb, var(--noshkar-navy) 4%, transparent) 0, transparent 60%);
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  transition: border-color 200ms var(--ease-calm), color 200ms var(--ease-calm);
}
a:hover { color: var(--noshkar-olive-2); border-bottom-color: var(--noshkar-olive-2); }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- layout ---------- */

main {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: start;
  justify-items: start;
  padding: clamp(var(--space-12), 10vh, var(--space-24)) clamp(var(--space-6), 6vw, var(--space-16));
  max-width: 78rem;
  margin: 0 auto;
  width: 100%;
}

/* masthead: logo aligned to top-left */
.masthead {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: clamp(var(--space-12), 8vh, var(--space-16));
  width: 100%;
}

.masthead__mark {
  width: 56px;
  height: 56px;
  display: block;
  animation: breathe 9s ease-in-out infinite;
  transform-origin: center;
  filter: drop-shadow(0 1px 0 rgba(0,0,0,0.02));
}

.masthead__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: inherit;
  border-bottom: 0;
}

.masthead__brand:hover {
  color: inherit;
  border-bottom-color: transparent;
}

.masthead__label {
  font-family: var(--font-mo);
  font-size: var(--text-xs);
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.masthead__nav {
  margin-inline-start: auto;
  font-family: var(--font-mo);
  font-size: var(--text-xs);
  letter-spacing: 0;
  text-transform: uppercase;
}

/* hero block — asymmetric, Persian-led */
.hero {
  display: grid;
  gap: var(--space-6);
  max-width: 72rem;
  width: 100%;
  margin-bottom: clamp(var(--space-24), 14vh, 9rem);
}

.hero__copy {
  max-width: 44rem;
}

.hero__persian {
  font-family: var(--font-fa);
  font-weight: 500;
  font-size: 8rem;
  line-height: 1.0;
  letter-spacing: 0;
  color: var(--noshkar-navy);
  margin: 0;
  direction: rtl;
  /* per visual-identity: breathe the word */
  padding-inline-end: 0.05em;
}

.hero__roman {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: var(--text-md);
  color: var(--fg-soft);
  letter-spacing: 0;
  margin: 0;
}

.hero__roman em {
  font-style: normal;
  color: var(--accent);
}

.hero__tagline {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: var(--text-xl);
  line-height: 1.25;
  color: var(--noshkar-navy);
  margin: var(--space-4) 0 0;
  max-width: 28ch;
}

.hero__desc {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: var(--text-md);
  color: var(--fg-soft);
  margin: 0;
  max-width: 52ch;
}

/* small metadata line — feels like a console annotation */
.hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
  font-family: var(--font-mo);
  font-size: var(--text-xs);
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.hero__actions {
  margin-top: var(--space-8);
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 var(--space-6);
  border: 1px solid color-mix(in srgb, var(--accent) 64%, transparent);
  border-radius: 999px;
  color: var(--noshkar-olive-2);
  background: color-mix(in srgb, var(--noshkar-sage) 16%, var(--bg));
  font-family: var(--font-mo);
  font-size: var(--text-xs);
  letter-spacing: 0;
  text-transform: uppercase;
}

.button-link:hover {
  background: color-mix(in srgb, var(--noshkar-sage) 24%, var(--bg));
}

.listen-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* ---------- home album teaser ---------- */

.album-teaser {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(12rem, 18rem);
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
  padding-top: clamp(var(--space-12), 9vh, var(--space-24));
  border-top: 1px solid var(--rule);
}

.album-teaser h2 {
  margin: 0;
  font-size: var(--text-2xl);
  line-height: 1.05;
}

.album-teaser p:not(.section-kicker) {
  max-width: 34rem;
  margin: var(--space-4) 0 var(--space-8);
  color: var(--fg-soft);
  font-size: var(--text-md);
}

.album-teaser__art {
  display: block;
  border-bottom: 0;
}

.album-teaser__art img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid color-mix(in srgb, var(--noshkar-navy) 14%, transparent);
  box-shadow: 0 24px 50px rgba(44, 58, 78, 0.14);
}

/* ---------- album ---------- */

.album {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(18rem, 0.72fr);
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: end;
  padding-top: clamp(var(--space-12), 9vh, var(--space-24));
  border-top: 1px solid var(--rule);
}

.album__intro {
  max-width: 48rem;
}

.section-kicker,
.track-card__number,
.track-card__links {
  font-family: var(--font-mo);
  font-size: var(--text-xs);
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-kicker {
  margin: 0 0 var(--space-4);
  color: var(--accent);
}

.album h1,
.album h2 {
  margin: 0;
  font-family: var(--font-en);
  font-size: var(--text-2xl);
  line-height: 1.05;
  font-weight: 600;
  color: var(--noshkar-navy);
}

.album__lead {
  margin: var(--space-6) 0 0;
  max-width: 36rem;
  font-size: var(--text-lg);
  line-height: 1.35;
  color: var(--noshkar-navy);
}

.album__note {
  margin: var(--space-6) 0 0;
  max-width: 42rem;
  color: var(--fg-soft);
}

.album__stack {
  position: relative;
  min-height: 20rem;
  align-self: stretch;
}

.album__stack img {
  position: absolute;
  width: min(62%, 15rem);
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid color-mix(in srgb, var(--noshkar-navy) 14%, transparent);
  box-shadow: 0 24px 50px rgba(44, 58, 78, 0.14);
}

.album__stack img:nth-child(1) {
  left: 0;
  bottom: 0;
  transform: rotate(-7deg);
}

.album__stack img:nth-child(2) {
  left: 28%;
  top: 0;
  z-index: 2;
}

.album__stack img:nth-child(3) {
  right: 0;
  bottom: var(--space-6);
  transform: rotate(6deg);
}

.album__facts {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-4) 0 var(--space-8);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-mo);
  font-size: var(--text-xs);
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.album__facts span {
  padding-inline-end: var(--space-4);
  border-inline-end: 1px solid var(--rule);
}

.album__facts span:last-child {
  border-inline-end: 0;
}

.track-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.track-grid > li {
  min-width: 0;
}

.track-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  background: color-mix(in srgb, var(--bg) 84%, var(--noshkar-beige));
  border: 1px solid color-mix(in srgb, var(--noshkar-navy) 14%, transparent);
}

.track-card--link {
  height: 100%;
  color: inherit;
  border-bottom: 1px solid color-mix(in srgb, var(--noshkar-navy) 14%, transparent);
  transition:
    border-color 200ms var(--ease-calm),
    transform 200ms var(--ease-calm),
    background 200ms var(--ease-calm);
}

.track-card--link:hover {
  color: inherit;
  border-color: color-mix(in srgb, var(--accent) 44%, transparent);
  transform: translateY(-2px);
}

.track-card img {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  object-fit: cover;
  background: var(--bg-alt);
}

.track-card__body {
  display: grid;
  align-content: start;
  gap: var(--space-2);
  padding: var(--space-4);
  min-width: 0;
}

.track-card__number {
  color: var(--fg-faint);
}

.track-card__title {
  margin: var(--space-2) 0 0;
  font-size: var(--text-lg);
  line-height: 1.15;
  font-weight: 600;
  color: var(--noshkar-navy);
}

.track-card__persian {
  margin: 0;
  font-family: var(--font-fa);
  font-size: var(--text-lg);
  line-height: 1.25;
  color: var(--accent);
}

.track-card__english {
  color: var(--fg-soft);
}

.track-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.track-card__links a {
  color: var(--noshkar-olive-2);
}

.track-card--title {
  background: color-mix(in srgb, var(--noshkar-sage) 18%, var(--bg));
}

.track-card--closer {
  background: color-mix(in srgb, var(--noshkar-navy) 8%, var(--bg));
}

/* ---------- song pages ---------- */

.song-page {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(14rem, 24rem) minmax(0, 1fr);
  column-gap: clamp(var(--space-8), 7vw, var(--space-16));
  row-gap: var(--space-12);
  align-items: start;
}

.song-page__art {
  grid-row: span 2;
}

.song-page__art img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid color-mix(in srgb, var(--noshkar-navy) 14%, transparent);
  box-shadow: 0 24px 50px rgba(44, 58, 78, 0.14);
}

.song-page__header h1 {
  margin: 0;
  font-size: var(--text-2xl);
  line-height: 1.05;
}

.song-page__persian {
  margin: var(--space-4) 0 0;
  font-family: var(--font-fa);
  font-size: var(--text-xl);
  line-height: 1.2;
  color: var(--accent);
}

.song-page__english {
  margin: var(--space-2) 0 0;
  color: var(--fg-soft);
  font-size: var(--text-md);
}

.lyrics {
  grid-column: 2;
  max-width: 42rem;
}

.lyrics h2 {
  margin: 0 0 var(--space-8);
  font-size: var(--text-md);
  font-family: var(--font-mo);
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.poem {
  font-family: var(--font-fa);
  font-size: var(--text-lg);
  line-height: 2;
  color: var(--noshkar-navy);
}

.poem p {
  margin: 0 0 var(--space-8);
}

.song-nav {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--rule);
  font-family: var(--font-mo);
  font-size: var(--text-xs);
  text-transform: uppercase;
}

.hero__meta-dot {
  display: inline-block;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 50%, transparent);
  animation: pulse 3.2s ease-in-out infinite;
}

/* a slow, hand-drawn style ripple line — ties to waveform motif */
.ripple {
  margin-top: clamp(var(--space-12), 8vh, var(--space-16));
  width: min(100%, 36rem);
  height: 24px;
  opacity: 0.55;
  color: var(--accent);
}
.ripple svg { width: 100%; height: 100%; display: block; }
.ripple path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.25;
  stroke-linecap: round;
  stroke-dasharray: 2 1000;
  stroke-dashoffset: 0;
  animation: ripple-draw 14s ease-in-out infinite;
}

/* ---------- footer ---------- */

footer {
  position: relative;
  z-index: 1;
  padding: var(--space-8) clamp(var(--space-6), 6vw, var(--space-16));
  max-width: 78rem;
  margin: 0 auto;
  width: 100%;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  font-family: var(--font-mo);
  font-size: var(--text-xs);
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--fg-faint);
}

footer a {
  color: var(--fg-soft);
  border-bottom-color: color-mix(in srgb, var(--fg-soft) 30%, transparent);
}

footer a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.credits {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: baseline;
}

.credits__sep {
  opacity: 0.4;
  user-select: none;
}

.copyright-notice {
  flex-basis: 100%;
  display: grid;
  gap: var(--space-2);
  max-width: 56rem;
  padding-top: var(--space-4);
  border-top: 1px solid color-mix(in srgb, var(--noshkar-navy) 12%, transparent);
  color: color-mix(in srgb, var(--noshkar-navy) 62%, transparent);
  line-height: 1.5;
}

/* ---------- motion ---------- */

@keyframes breathe {
  0%, 100% { transform: scale(1.000); }
  50%      { transform: scale(1.025); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 50%, transparent); }
  50%      { box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 0%, transparent); }
}

@keyframes ripple-draw {
  0%   { stroke-dasharray: 2 1000; stroke-dashoffset: 0; opacity: 0.0; }
  10%  { opacity: 0.55; }
  50%  { stroke-dasharray: 1000 2; stroke-dashoffset: -400; opacity: 0.55; }
  90%  { opacity: 0.55; }
  100% { stroke-dasharray: 2 1000; stroke-dashoffset: -800; opacity: 0.0; }
}

@media (prefers-reduced-motion: reduce) {
  .masthead__mark,
  .hero__meta-dot,
  .ripple path { animation: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 1040px) {
  .album,
  .song-page {
    grid-template-columns: 1fr;
  }

  .song-page__art {
    grid-row: auto;
    max-width: 28rem;
  }

  .lyrics {
    grid-column: 1;
  }

  .album__stack {
    min-height: 17rem;
    max-width: 34rem;
    width: 100%;
  }

  .album__stack img {
    width: 14rem;
  }

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

@media (max-width: 640px) {
  main {
    padding-inline: var(--space-4);
  }

  .masthead {
    margin-bottom: var(--space-8);
    align-items: flex-start;
  }

  .masthead__mark { width: 44px; height: 44px; }

  .masthead__label {
    max-width: 9rem;
  }

  .masthead__nav {
    padding-top: 0.1rem;
  }

  .hero {
    gap: var(--space-4);
    margin-bottom: var(--space-16);
  }

  .hero__persian {
    font-size: 4.5rem;
  }

  .hero__tagline,
  .album__lead {
    font-size: var(--text-lg);
  }

  .album h1,
  .album h2,
  .album-teaser h2,
  .song-page__header h1 {
    font-size: var(--text-xl);
  }

  .album-teaser {
    grid-template-columns: 1fr;
  }

  .album-teaser__art {
    max-width: 16rem;
  }

  .album__stack {
    min-height: 12rem;
  }

  .album__stack img {
    width: 9.25rem;
    box-shadow: 0 16px 32px rgba(44, 58, 78, 0.14);
  }

  .album__facts {
    display: grid;
    gap: var(--space-2);
    padding-bottom: var(--space-4);
  }

  .album__facts span {
    border-inline-end: 0;
    padding-inline-end: 0;
  }

  .track-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .track-card__body {
    padding: var(--space-4);
  }

  .song-page {
    row-gap: var(--space-8);
  }

  .song-page__art {
    max-width: none;
  }

  .song-page__persian {
    font-size: var(--text-lg);
  }

  .poem {
    font-size: var(--text-md);
    line-height: 1.9;
  }

  .song-nav {
    display: grid;
    gap: var(--space-3);
  }

  .hero__meta { margin-top: var(--space-6); }

  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
}