/* ==========================================================================
   ابو‌لفضل میرعمو — لندینگ پیج سینمایی
   فایل ۲ از ۳: «بخش‌ها» — هیرو، تیکر، درباره من، خدمات، پیانو، نمونه‌کار،
                نظرات، بنر اقدام، تماس، جداکننده‌ها
   ========================================================================== */

/* ================================================================ هیرو */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding-top: calc(var(--nav-h) + clamp(2rem, 6vw, 4rem));
  padding-bottom: clamp(4rem, 9vw, 7rem);
  overflow: clip;
  isolation: isolate;
}
@supports not (height: 100svh) {
  .hero {
    min-height: 100vh;
  }
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  /* نیمه‌شفاف است تا «صورت فلکی نُت‌ها» از پشت آن دیده شود */
  background:
    radial-gradient(78% 58% at 50% 8%, rgba(240, 169, 59, 0.2) 0%, rgba(212, 175, 55, 0.07) 38%, transparent 70%),
    radial-gradient(60% 50% at 50% 100%, rgba(212, 175, 55, 0.12) 0%, transparent 70%),
    linear-gradient(180deg, rgba(7, 7, 6, 0.82) 0%, rgba(10, 10, 10, 0.62) 55%, rgba(10, 10, 10, 0.92) 100%);
}

/* نورهای صحنه (اسپات‌لایت‌های متحرک) */
.hero__beams {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.85;
}
.beam {
  position: absolute;
  top: -20%;
  width: 46vmin;
  height: 118%;
  background: linear-gradient(180deg, rgba(240, 169, 59, 0.35) 0%, rgba(212, 175, 55, 0.09) 42%, transparent 78%);
  filter: blur(26px);
  transform-origin: 50% 0;
  mix-blend-mode: screen;
}
.beam--1 {
  inset-inline-start: 8%;
  transform: rotate(-13deg);
  animation: beamSway 12s var(--ease-soft) infinite alternate;
}
.beam--2 {
  inset-inline-start: 44%;
  width: 34vmin;
  opacity: 0.7;
  transform: rotate(6deg);
  animation: beamSway 9.5s var(--ease-soft) infinite alternate-reverse;
}
.beam--3 {
  inset-inline-end: 6%;
  transform: rotate(14deg);
  opacity: 0.6;
  animation: beamSway 14s var(--ease-soft) infinite alternate;
}

/* موج Siri-like */
.hero__wave {
  position: absolute;
  inset-inline: 0;
  bottom: 4%;
  z-index: -1;
  height: clamp(150px, 30vh, 320px);
  opacity: 0.5;
  pointer-events: none;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.hero__wave canvas {
  width: 100%;
  height: 100%;
}

/* صورت فلکی نُت‌ها — روی کل صفحه، با تعامل ماوس */
.starfield {
  position: fixed;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.78;
}

/* واترمارک نشانه‌ی برند در هیرو */
.hero__watermark {
  position: absolute;
  inset-inline-start: 50%;
  top: 46%;
  z-index: -1;
  width: clamp(260px, 34vw, 460px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%) rotate(-6deg);
  opacity: 0.075;
  pointer-events: none;
  mix-blend-mode: screen;
  mask-image: radial-gradient(60% 60% at 50% 50%, #000 35%, transparent 78%);
  -webkit-mask-image: radial-gradient(60% 60% at 50% 50%, #000 35%, transparent 78%);
  animation: watermarkDrift 22s var(--ease-soft) infinite alternate;
}
.hero__watermark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 40px rgba(240, 169, 59, 0.4));
}

/* نُت‌های شناور تزئینی */
.hero__notes {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.f-note {
  position: absolute;
  color: rgba(212, 175, 55, 0.5);
  filter: drop-shadow(0 0 12px rgba(240, 169, 59, 0.45));
  animation: noteFloat var(--float-dur, 16s) var(--ease-soft) infinite;
  animation-delay: var(--float-delay, 0s);
}
.f-note .icon {
  --icon-size: var(--note-size, 30px);
}
.f-note--1 {
  inset-inline-start: 8%;
  top: 22%;
  --note-size: 34px;
  --float-dur: 17s;
}
.f-note--2 {
  inset-inline-start: 20%;
  top: 68%;
  --note-size: 22px;
  --float-dur: 21s;
  --float-delay: -3s;
  opacity: 0.75;
}
.f-note--3 {
  inset-inline-end: 12%;
  top: 30%;
  --note-size: 40px;
  --float-dur: 19s;
  --float-delay: -6s;
}
.f-note--4 {
  inset-inline-end: 26%;
  top: 74%;
  --note-size: 26px;
  --float-dur: 23s;
  --float-delay: -1.5s;
  opacity: 0.7;
}
.f-note--5 {
  inset-inline-start: 46%;
  top: 14%;
  --note-size: 18px;
  --float-dur: 15s;
  --float-delay: -9s;
  opacity: 0.55;
}

.hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  display: grid;
  justify-items: center;
  gap: clamp(1rem, 2.4vw, 1.6rem);
  max-width: 950px;
  margin-inline: auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(212, 175, 55, 0.07);
  color: var(--cream-dim);
  font-size: var(--fs-xs);
}
.hero__badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-light);
  box-shadow: 0 0 0 0 rgba(232, 203, 106, 0.7);
  animation: livePulse 2.4s var(--ease-soft) infinite;
}

.hero__name {
  position: relative;
  display: inline-block;
}
.hero__name .display {
  display: block;
  text-shadow: 0 26px 60px rgba(0, 0, 0, 0.6);
}
/* نت زیر نام (تزئینی) */
.hero__name-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.35rem;
  color: var(--gold);
}
.hero__name-note .icon {
  --icon-size: 22px;
  animation: noteBob 3.4s var(--ease-soft) infinite;
}
.hero__name-note .icon:nth-child(2) {
  animation-delay: 0.35s;
}
.hero__name-note span {
  display: block;
  width: clamp(40px, 12vw, 120px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

/* تایپ نقش‌ها */
.hero__roles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: clamp(1.05rem, 3.4vw, 1.6rem);
  font-weight: 700;
  color: var(--cream);
  min-height: 2.4em;
}
.hero__roles .caret {
  display: inline-block;
  width: 2px;
  height: 1.15em;
  background: var(--gold);
  animation: caretBlink 1.05s steps(2, end) infinite;
}
.typed {
  position: relative;
  color: var(--gold-light);
  text-shadow: 0 0 28px rgba(240, 169, 59, 0.35);
}
.typed::after {
  content: "";
  position: absolute;
  inset-inline: -6px;
  bottom: 0.12em;
  height: 6px;
  background: radial-gradient(50% 50% at 50% 50%, rgba(240, 169, 59, 0.35), transparent 70%);
  pointer-events: none;
}

/* موج صدا زیر عنوان */
.eq {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 30px;
}
.eq span {
  width: 4px;
  height: 30%;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--gold-light), var(--gold-deep));
  box-shadow: 0 0 12px rgba(240, 169, 59, 0.5);
  animation: eqBar 1.15s var(--ease-soft) infinite;
  transform-origin: 50% 100%;
}
.eq span:nth-child(1) { animation-delay: 0s; }
.eq span:nth-child(2) { animation-delay: 0.12s; }
.eq span:nth-child(3) { animation-delay: 0.24s; }
.eq span:nth-child(4) { animation-delay: 0.36s; }
.eq span:nth-child(5) { animation-delay: 0.48s; }
.eq span:nth-child(6) { animation-delay: 0.6s; }
.eq span:nth-child(7) { animation-delay: 0.72s; }
.eq--wide {
  height: 46px;
  gap: 7px;
}
.eq--wide span {
  width: 5px;
}

.hero__value {
  max-width: 46ch;
  font-size: clamp(1rem, 0.4vw + 0.95rem, 1.2rem);
  color: var(--cream-dim);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
  margin-top: 0.4rem;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 1.4rem;
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: var(--fs-xs);
}
.hero__trust li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.hero__trust .icon {
  --icon-size: 16px;
  color: var(--gold);
}

/* نشانگر اسکرول */
.scroll-cue {
  position: absolute;
  inset-inline: 0;
  bottom: clamp(1rem, 3.5vh, 2.25rem);
  z-index: 3;
  display: grid;
  justify-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
}
.scroll-cue__mouse {
  position: relative;
  width: 26px;
  height: 42px;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-pill);
}
.scroll-cue__mouse::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--gold);
  transform: translateX(-50%);
  animation: wheelDrop 2.1s var(--ease-soft) infinite;
}
.scroll-cue:hover {
  color: var(--gold-light);
}

/* ================================================================ تیکر نقش‌ها */
.ticker {
  position: relative;
  padding-block: 0.9rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.07), rgba(10, 10, 10, 0.2) 48%, rgba(212, 175, 55, 0.07));
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker__track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: tickerScroll 34s linear infinite;
}
.ticker__group {
  display: flex;
  align-items: center;
  gap: 2.4rem;
  padding-inline-end: 2.4rem;
  margin: 0;
}
.ticker:hover .ticker__track {
  animation-play-state: paused;
}
.ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--cream-dim);
  font-size: clamp(0.9rem, 1.4vw, 1.05rem);
  font-weight: 600;
  white-space: nowrap;
}
.ticker__item .icon {
  --icon-size: 18px;
  color: var(--gold);
}

/* ================================================================ جداکننده‌ی حامل */
.staff-divider {
  position: relative;
  height: clamp(64px, 9vw, 96px);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.staff-divider__lines {
  position: absolute;
  inset-inline: 0;
  top: 50%;
  height: 34px;
  transform: translateY(-50%);
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(212, 175, 55, 0.22) 0 1px,
    transparent 1px 8.5px
  );
  mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
}
.staff-divider__clef {
  position: relative;
  display: grid;
  place-items: center;
  width: clamp(48px, 7vw, 62px);
  height: clamp(48px, 7vw, 62px);
  border-radius: 50%;
  background: rgba(10, 10, 10, 0.86);
  color: var(--gold);
  box-shadow: 0 0 0 1px var(--line), var(--glow-soft);
}
.staff-divider__clef .icon {
  --icon-size: 34px;
}
.staff-divider .eq {
  position: absolute;
  inset-inline-end: clamp(1rem, 8vw, 6rem);
  top: 50%;
  transform: translateY(-50%);
  height: 24px;
  opacity: 0.8;
}

/* ================================================================ درباره من */
.about {
  position: relative;
  overflow: clip;
}
/* خطوط حامل + کلید سل پس‌زمینه */
.staff-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.staff-bg__lines {
  position: absolute;
  inset: 8% -4% 8% -4%;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(212, 175, 55, 0.12) 0 1px,
    transparent 1px 26px
  );
  mask-image: radial-gradient(70% 60% at 50% 50%, #000 10%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 50%, #000 10%, transparent 78%);
  transform: rotate(-2deg);
}
.staff-bg__clef {
  position: absolute;
  inset-inline-start: clamp(-3rem, 2vw, 2rem);
  top: 12%;
  color: rgba(212, 175, 55, 0.1);
  animation: clefGlow 9s var(--ease-soft) infinite;
}
.staff-bg__clef .icon {
  --icon-size: clamp(160px, 26vw, 300px);
}
.staff-bg__note {
  position: absolute;
  color: rgba(212, 175, 55, 0.16);
}
.staff-bg__note--a {
  inset-inline-end: 12%;
  top: 18%;
  animation: noteFloat 22s var(--ease-soft) infinite;
}
.staff-bg__note--b {
  inset-inline-end: 26%;
  bottom: 16%;
  animation: noteFloat 26s var(--ease-soft) infinite reverse;
}
.staff-bg__note .icon {
  --icon-size: 46px;
}

.about__grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

/* پرتره */
.portrait {
  position: relative;
  aspect-ratio: 1;
  width: min(100%, 420px);
  margin-inline: auto;
  display: grid;
  place-items: center;
}
.portrait__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  padding: 1px;
  background: conic-gradient(from 0deg, rgba(212, 175, 55, 0) 0deg, var(--gold-light) 70deg, rgba(212, 175, 55, 0) 180deg, rgba(212, 175, 55, 0) 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: ringSpin 14s linear infinite;
}
.portrait__inner {
  position: relative;
  width: 88%;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: #0d0c0b;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.95), inset 0 0 60px rgba(212, 175, 55, 0.12);
}
.portrait__inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.9s var(--ease-out);
}
.portrait:hover .portrait__inner img {
  transform: scale(1.07);
}
/* وقتی به‌جای عکس، لوگوتایپ (نسبت افقی) داخل قاب دایره‌ای است */
.portrait__inner--logo img {
  object-fit: contain;
  padding: 9%;
  transform: none;
}
.portrait:hover .portrait__inner--logo img {
  transform: scale(1.04);
}

.portrait__halo {
  position: absolute;
  inset: -12%;
  border-radius: 50%;
  background: radial-gradient(50% 50% at 50% 50%, rgba(240, 169, 59, 0.24), transparent 70%);
  filter: blur(12px);
  z-index: -1;
}
/* برچسب‌های شناور روی پرتره */
.portrait__tags {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.portrait__tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: rgba(12, 11, 10, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--cream);
  font-size: var(--fs-xs);
  font-weight: 600;
  box-shadow: 0 18px 34px -22px #000;
}
.portrait__tag .icon {
  --icon-size: 16px;
  color: var(--gold);
}
.portrait__tag--a {
  inset-inline-start: -4%;
  top: 20%;
  animation: floatSoft 7s var(--ease-soft) infinite;
}
.portrait__tag--b {
  inset-inline-end: -4%;
  bottom: 24%;
  animation: floatSoft 8.5s var(--ease-soft) infinite reverse;
}
.portrait__tag--c {
  inset-inline-start: 26%;
  bottom: 2%;
  animation: floatSoft 9.5s var(--ease-soft) infinite;
}

/* متن درباره من */
.about__body p + p {
  margin-top: 1.1rem;
}
.about__sign {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px dashed var(--line);
}
.about__sign .icon {
  --icon-size: 34px;
  color: var(--gold);
}
.about__sign strong {
  display: block;
  color: var(--cream);
  font-size: 1rem;
}
.about__sign span {
  color: var(--muted);
  font-size: var(--fs-xs);
}

/* آمار */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.8rem, 2vw, 1.4rem);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}
.stat {
  position: relative;
  padding: clamp(1.15rem, 2.4vw, 1.7rem) 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(23, 21, 15, 0.75), rgba(10, 10, 10, 0.6));
  text-align: center;
  overflow: hidden;
  transition: transform 0.5s var(--ease-out), border-color 0.5s var(--ease-out);
}
.stat:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
}
.stat__num {
  display: block;
  font-size: clamp(1.7rem, 4.4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(120deg, #f4e2a4, #d4af37 55%, #c9a227);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat__label {
  display: block;
  margin-top: 0.35rem;
  color: var(--cream-dim);
  font-size: var(--fs-sm);
}
.stat__bar {
  position: absolute;
  inset-inline: 18%;
  bottom: 0;
  height: 2px;
  background: var(--grad-gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.6s var(--ease-out);
}
.stat.is-counted .stat__bar {
  transform: scaleX(1);
}

/* ================================================================ خدمات */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: clamp(1rem, 2.2vw, 1.5rem);
}
.service {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}
.service__icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 66px;
  height: 66px;
  border-radius: 20px;
  border: 1px solid var(--line-strong);
  background: radial-gradient(circle at 50% 24%, rgba(240, 169, 59, 0.26), rgba(10, 10, 10, 0.7) 72%);
  color: var(--gold);
  box-shadow: inset 0 0 22px rgba(212, 175, 55, 0.16);
}
.service__icon .icon {
  --icon-size: 30px;
}
/* پالس میکروفون / موج روی کارت‌های خدمات */
.service__rings {
  position: absolute;
  inset: -6px;
  border-radius: 26px;
  pointer-events: none;
}
.service__rings::before,
.service__rings::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(212, 175, 55, 0.5);
  opacity: 0;
  animation: pulseRing 3.4s var(--ease-out) infinite;
}
.service__rings::after {
  animation-delay: 1.7s;
}
.card:hover .service__rings::before,
.card:hover .service__rings::after {
  animation-duration: 2.1s;
}
.service--mic .service__icon .icon {
  animation: micPulse 2.6s var(--ease-soft) infinite;
}
.service__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.service__desc {
  color: var(--muted);
  font-size: var(--fs-sm);
  line-height: 1.95;
}
.service__list {
  display: grid;
  gap: 0.4rem;
  margin-top: 0.2rem;
  color: var(--cream-dim);
  font-size: var(--fs-xs);
}
.service__list li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.service__list .icon {
  --icon-size: 15px;
  color: var(--gold);
}
.service__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.4rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--line-soft);
}
.service__price {
  color: var(--gold-light);
  font-size: var(--fs-xs);
}

/* ================================================================ پیانوی بین بخش‌ها */
.piano-band {
  position: relative;
  padding-block: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(70% 120% at 50% 0%, rgba(240, 169, 59, 0.16), transparent 65%),
    linear-gradient(180deg, rgba(20, 18, 16, 0.6), rgba(10, 10, 10, 0.9));
  overflow: hidden;
}
.piano-band__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.8rem 1.4rem;
  margin-bottom: 1.4rem;
  text-align: center;
}
.piano-band__head p {
  color: var(--muted);
  font-size: var(--fs-sm);
}
.piano {
  --piano-pad: clamp(0.4rem, 2vw, 1.4rem);
  position: relative;
  max-width: 900px;
  margin-inline: auto;
  padding: 0 var(--piano-pad);
  direction: ltr; /* کلیدها از چپ (بم) به راست (زیر) چیده می‌شوند */
  touch-action: manipulation;
}
.piano__keys {
  display: flex;
  justify-content: center;
  gap: 3px;
}
.piano__key {
  position: relative;
  flex: 1 1 0;
  max-width: 64px;
  height: clamp(74px, 11vw, 118px);
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: 0 0 10px 10px;
  background: linear-gradient(180deg, #f6f1e4 0%, #ded6c4 62%, #c9c0ac 100%);
  box-shadow: inset 0 -10px 18px -10px rgba(0, 0, 0, 0.5), 0 14px 26px -20px #000;
  transition: transform 0.22s var(--ease-out), box-shadow 0.22s var(--ease-out), background 0.22s var(--ease-out);
  cursor: pointer;
}
.piano__key:hover,
.piano__key:focus-visible {
  background: linear-gradient(180deg, #fff8e2 0%, #f0dfa8 60%, #e2cb84 100%);
  box-shadow: inset 0 -6px 14px -8px rgba(0, 0, 0, 0.45), 0 0 26px rgba(240, 169, 59, 0.55);
}
.piano__key.is-down {
  transform: translateY(4px) scaleY(0.985);
  background: linear-gradient(180deg, #f7e6b4, #d9bd68);
}
.piano__blacks {
  position: absolute;
  inset-inline: var(--piano-pad);
  top: 0;
  height: 58%;
  pointer-events: none;
}
.piano__black {
  position: absolute;
  top: 0;
  z-index: 2;
  width: 4.4%;
  height: 100%;
  pointer-events: auto;
  border: 1px solid rgba(212, 175, 55, 0.34);
  border-radius: 0 0 7px 7px;
  background: linear-gradient(180deg, #1b1815, #0a0908);
  box-shadow: 0 12px 20px -12px #000;
  transition: transform 0.2s var(--ease-out), background 0.2s var(--ease-out);
}
/* جای‌گذاری تقریبی پیش از اجرای جاوااسکریپت (JS آن را دقیق می‌کند) */
.piano__black:nth-child(1) { left: 4.94%; }
.piano__black:nth-child(2) { left: 12.09%; }
.piano__black:nth-child(3) { left: 26.37%; }
.piano__black:nth-child(4) { left: 33.51%; }
.piano__black:nth-child(5) { left: 40.66%; }
.piano__black:nth-child(6) { left: 54.94%; }
.piano__black:nth-child(7) { left: 62.09%; }
.piano__black:nth-child(8) { left: 76.37%; }
.piano__black:nth-child(9) { left: 83.51%; }
.piano__black:nth-child(10) { left: 90.66%; }
.piano__black:hover,
.piano__black.is-down {
  background: linear-gradient(180deg, #4a3c14, #241c07);
}
.piano__hint {
  margin-top: 1rem;
  text-align: center;
  color: var(--muted);
  font-size: var(--fs-xs);
}

/* ================================================================ نمونه‌کارها */
.portfolio {
  position: relative;
}
.portfolio__head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: clamp(1.6rem, 3vw, 2.4rem);
}
.portfolio__head .section-head {
  margin-bottom: 0;
}

/* فیلترها */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.filter {
  padding: 0.55rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(212, 175, 55, 0.04);
  color: var(--cream-dim);
  font-size: var(--fs-sm);
  font-weight: 600;
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out),
    background-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.filter:hover {
  color: var(--gold-light);
  border-color: var(--line-strong);
  transform: translateY(-2px);
}
.filter[aria-pressed="true"] {
  background-image: var(--grad-gold);
  border-color: transparent;
  color: var(--on-gold);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
  gap: clamp(1rem, 2.2vw, 1.5rem);
}
.work {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--grad-panel);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.55s var(--ease-out), border-color 0.55s var(--ease-out),
    box-shadow 0.55s var(--ease-out), opacity 0.4s var(--ease-out);
}
.work:hover,
.work:focus-within {
  transform: translateY(-8px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-lift);
}
.work.is-filtered-out {
  display: none;
}
.work__media {
  position: relative;
  aspect-ratio: 8 / 5;
  overflow: hidden;
  background: #0c0b0a;
}
.work__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease-out), filter 0.6s var(--ease-out);
}
.work:hover .work__media img {
  transform: scale(1.06);
  filter: brightness(0.62) saturate(1.05);
}
.work__overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(60% 60% at 50% 50%, rgba(212, 175, 55, 0.28), rgba(10, 10, 10, 0.6) 70%);
  opacity: 0;
  transition: opacity 0.5s var(--ease-out);
}
.work:hover .work__overlay,
.work:focus-within .work__overlay {
  opacity: 1;
}
.work__play {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  background: var(--grad-gold);
  color: var(--on-gold);
  box-shadow: var(--glow-gold);
  transform: scale(0.82);
  transition: transform 0.45s var(--ease-out);
}
.work:hover .work__play,
.work:focus-within .work__play {
  transform: scale(1);
}
.work__play .icon {
  --icon-size: 24px;
}
.work__badge {
  position: absolute;
  inset-inline-start: 0.85rem;
  top: 0.85rem;
  z-index: 2;
  padding: 0.32rem 0.75rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.78);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 600;
}
.work__body {
  display: grid;
  gap: 0.6rem;
  padding: clamp(1.1rem, 2.2vw, 1.4rem);
}
.work__title {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.7;
}
.work__excerpt {
  color: var(--muted);
  font-size: var(--fs-xs);
  line-height: 1.95;
}
.work__meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 0.75rem;
}
.work__meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.work__meta .icon {
  --icon-size: 15px;
  color: var(--gold);
}
.work__cta {
  margin-inline-start: auto;
}
.work__cta .icon {
  --icon-size: 17px;
}

/* صفحه‌ی گرامافون چرخان (نشان تزئینی بخش نمونه‌کار) */
.vinyl {
  position: absolute;
  inset-inline-end: clamp(-40px, -2vw, 0px);
  top: clamp(-30px, -2vw, 0px);
  width: clamp(120px, 16vw, 190px);
  aspect-ratio: 1;
  z-index: -1;
  pointer-events: none;
  opacity: 0.55;
  animation: ringSpin 26s linear infinite;
  filter: drop-shadow(0 0 30px rgba(240, 169, 59, 0.2));
}
.vinyl__grooves {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-radial-gradient(circle at 50% 50%, rgba(245, 241, 232, 0.09) 0 1px, transparent 1px 7px);
}
.vinyl__disc {
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #191512, #0a0908 70%);
  border: 1px solid var(--line-strong);
}
.vinyl__label {
  position: absolute;
  inset: 38%;
  border-radius: 50%;
  background: var(--grad-gold);
  display: grid;
  place-items: center;
  color: var(--on-gold);
}
.vinyl__label .icon {
  --icon-size: 20px;
}
.vinyl__label img {
  width: 58%;
  height: 58%;
  object-fit: contain;
  opacity: 0.92;
}

/* ================================================================ نظرات */
.testimonials {
  position: relative;
}
.tst-swiper {
  /* فاصله‌ی بالا برای بلندشدن کارت هنگام هاور و پایین برای نقطه‌های ناوبری */
  padding-top: 10px !important;
  padding-bottom: clamp(3rem, 6vw, 3.6rem) !important;
}
.tst-swiper .swiper-slide {
  height: auto;
}
.tst {
  display: grid;
  gap: 1rem;
  height: 100%;
  align-content: start;
}
.tst__quote-mark {
  color: rgba(212, 175, 55, 0.4);
  line-height: 1;
  font-size: 3.4rem;
  font-weight: 800;
  font-family: var(--font);
}
.tst__stars {
  display: flex;
  gap: 0.25rem;
  color: var(--gold);
}
.tst__stars .icon {
  --icon-size: 17px;
}
.tst__text {
  color: var(--cream-dim);
  font-size: var(--fs-sm);
  line-height: 2.05;
}
.tst__person {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: auto;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-soft);
}
.tst__avatar {
  width: 54px;
  height: 54px;
  flex: none;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  overflow: hidden;
  background: #0d0c0b;
}
.tst__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tst__name {
  display: block;
  color: var(--cream);
  font-weight: 700;
  font-size: 0.98rem;
}
.tst__role {
  display: block;
  color: var(--muted);
  font-size: var(--fs-xs);
}

/* کنترل‌های اسلایدر */
.tst-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 1.6rem;
}
.tst-btn {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(18, 17, 16, 0.85);
  color: var(--gold);
  transition: border-color 0.3s var(--ease-out), color 0.3s var(--ease-out),
    background-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.tst-btn:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  background: rgba(212, 175, 55, 0.12);
  transform: translateY(-2px);
}
.tst-btn .icon {
  --icon-size: 22px;
}
.tst-pagination {
  position: static !important;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  width: auto !important;
  margin: 0 0.4rem;
}
.tst-pagination .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  margin: 0 !important;
  background: rgba(245, 241, 232, 0.28);
  opacity: 1;
  transition: width 0.35s var(--ease-out), background-color 0.35s var(--ease-out);
}
.tst-pagination .swiper-pagination-bullet-active {
  width: 26px;
  border-radius: var(--r-pill);
  background: var(--grad-gold);
}

/* ================================================================ بنر اقدام */
.cta-band {
  position: relative;
  overflow: clip;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(60% 130% at 50% 0%, rgba(240, 169, 59, 0.26), transparent 62%),
    linear-gradient(180deg, #100e0b 0%, #0a0a0a 100%);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-light), transparent);
  opacity: 0.7;
}
.cta-band__watermark {
  position: absolute;
  inset-inline-start: 6%;
  top: 50%;
  z-index: 0;
  width: clamp(160px, 22vw, 300px);
  aspect-ratio: 1;
  transform: translateY(-50%);
  opacity: 0.07;
  pointer-events: none;
  mix-blend-mode: screen;
  mask-image: radial-gradient(60% 60% at 50% 50%, #000 30%, transparent 76%);
  -webkit-mask-image: radial-gradient(60% 60% at 50% 50%, #000 30%, transparent 76%);
}
.cta-band__watermark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
@media (max-width: 900px) {
  .cta-band__watermark {
    inset-inline-start: 50%;
    transform: translate(-50%, -50%);
    top: 50%;
    opacity: 0.05;
  }
}

.cta-band__inner {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 1.5rem;
  text-align: center;
  padding-block: clamp(3rem, 7vw, 5.5rem);
}
.cta-band__title {
  font-size: clamp(1.5rem, 4.4vw, 2.7rem);
  font-weight: 800;
  line-height: 1.5;
  max-width: 26ch;
  color: var(--cream);
}
.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}
.cta-band__note {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  justify-content: center;
  color: var(--muted);
  font-size: var(--fs-xs);
}
.cta-band__note li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.cta-band__note .icon {
  --icon-size: 16px;
  color: var(--gold);
}

/* ================================================================ تماس */
.contact__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.5rem, 3.4vw, 2.5rem);
  align-items: start;
}

/* فرم */
.form-card {
  padding: clamp(1.4rem, 3vw, 2.2rem);
}
.form-grid {
  display: grid;
  gap: 1.1rem;
}
.field {
  display: grid;
  gap: 0.5rem;
}
.field label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--cream);
}
.field label .req {
  color: var(--gold);
}
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 0.9rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  /* background-color (نه shorthand) تا فلش سفارشی select پاک نشود */
  background-color: rgba(8, 8, 7, 0.75);
  color: var(--cream);
  font-size: 1rem;
  line-height: 1.8;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), background-color 0.3s;
}
.field textarea {
  min-height: 132px;
  resize: vertical;
}
/* فهرست کشویی با فلش طلایی سفارشی (در RTL فلش سمت چپ می‌نشیند) */
.field select {
  -webkit-appearance: none;
  appearance: none;
  padding-inline-start: 1.05rem;
  padding-inline-end: 2.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23D4AF37' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 1.1rem center;
  background-size: 18px 18px;
  cursor: pointer;
}
.field select option {
  background-color: #121110;
  color: var(--cream);
}
.field input::placeholder,
.field textarea::placeholder {
  color: rgba(154, 146, 133, 0.75);
}
.field input:hover,
.field textarea:hover,
.field select:hover {
  border-color: var(--line-strong);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--gold);
  background-color: rgba(14, 13, 11, 0.9);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18);
}
.field .hint {
  color: var(--muted);
  font-size: var(--fs-xs);
}
.field .error {
  display: none;
  color: #f0a08a;
  font-size: var(--fs-xs);
}
.field.has-error input,
.field.has-error textarea {
  border-color: #c9603f;
  box-shadow: 0 0 0 3px rgba(201, 96, 63, 0.14);
}
.field.has-error .error {
  display: block;
}
.field.is-valid input,
.field.is-valid textarea {
  border-color: rgba(120, 190, 120, 0.45);
}
.form-note {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  color: var(--muted);
  font-size: var(--fs-xs);
  line-height: 1.9;
}
.form-note .icon {
  --icon-size: 16px;
  color: var(--gold);
  margin-top: 0.25rem;
}
.form-status {
  display: none;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: var(--r-sm);
  background: rgba(212, 175, 55, 0.08);
  color: var(--cream);
  font-size: var(--fs-sm);
}
.form-status.is-visible {
  display: flex;
}
.form-status .icon {
  --icon-size: 22px;
  color: var(--gold);
  margin-top: 0.15rem;
}
.form-status a {
  text-decoration: underline;
}

/* کارت‌های اطلاعات تماس */
.contact-cards {
  display: grid;
  gap: clamp(0.8rem, 1.8vw, 1.1rem);
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.2rem;
}
.contact-card__icon {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(212, 175, 55, 0.08);
  color: var(--gold);
}
.contact-card__icon .icon {
  --icon-size: 23px;
}
.contact-card strong {
  display: block;
  color: var(--cream);
  font-size: 0.98rem;
  font-weight: 700;
}
.contact-card span,
.contact-card a.value {
  display: block;
  color: var(--cream-dim);
  font-size: var(--fs-sm);
  direction: ltr;
  text-align: end;
  unicode-bidi: plaintext;
}
.contact-card a.value:hover {
  color: var(--gold-light);
}
.contact-card--stack {
  align-items: stretch;
}
.contact-card__msg {
  width: 100%;
}
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.8rem;
}
.chip-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(212, 175, 55, 0.06);
  color: var(--cream-dim);
  font-size: var(--fs-xs);
  font-weight: 600;
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out),
    background-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.chip-link:hover {
  color: var(--gold-light);
  border-color: var(--line-strong);
  background: rgba(212, 175, 55, 0.14);
  transform: translateY(-2px);
}
.chip-link .icon {
  --icon-size: 17px;
  color: var(--gold);
}

/* نقشه */
.map {
  position: relative;
  margin-top: clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #0b0b0a;
  min-height: clamp(260px, 38vw, 380px);
}
.map__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.09) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(80% 70% at 50% 50%, #000 20%, transparent 82%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 50%, #000 20%, transparent 82%);
}
.map__roads {
  position: absolute;
  inset: 0;
  opacity: 0.7;
}
.map__content {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 0.9rem;
  text-align: center;
  padding: clamp(2rem, 5vw, 3.4rem);
}
.map__pin {
  position: relative;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: radial-gradient(circle at 50% 30%, rgba(240, 169, 59, 0.3), rgba(10, 10, 10, 0.85) 70%);
  color: var(--gold);
}
.map__pin::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, 0.6);
  animation: pulseRing 2.8s var(--ease-out) infinite;
}
.map__pin .icon {
  --icon-size: 28px;
}
.map__title {
  color: var(--cream);
  font-weight: 700;
  font-size: 1.05rem;
}
.map__text {
  color: var(--muted);
  font-size: var(--fs-sm);
  max-width: 46ch;
}
.map__hint {
  margin-top: 0.4rem;
  color: rgba(154, 146, 133, 0.85);
  font-size: var(--fs-xs);
}
.map iframe {
  display: block;
  width: 100%;
  height: clamp(300px, 42vw, 420px);
  border: 0;
  filter: grayscale(0.6) contrast(1.05) brightness(0.85);
}

/* ================================================================ واکنش‌گرا */
@media (max-width: 1080px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: clamp(2rem, 5vw, 3rem);
  }
  .about__body {
    text-align: start;
  }
  .portrait {
    width: min(100%, 360px);
  }
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .portfolio__head {
    flex-direction: column;
    align-items: stretch;
  }
  .filters {
    justify-content: center;
  }
  .vinyl {
    opacity: 0.3;
  }
}

/* روی صفحه‌های کوتاه (لپ‌تاپ کوچک یا موبایل افقی) نشانگر اسکرول حذف می‌شود */
@media (max-height: 720px) {
  .scroll-cue {
    display: none;
  }
  .hero {
    padding-bottom: clamp(2.5rem, 6vw, 4rem);
  }
}

@media (max-width: 640px) {
  .nav-actions .btn {
    display: none;
  }
  .hero {
    padding-top: calc(var(--nav-h) + 1.5rem);
    padding-bottom: clamp(3rem, 12vw, 4.5rem);
  }
  .hero__inner {
    gap: 0.9rem;
  }
  .hero__trust {
    gap: 0.4rem 1rem;
  }
  .hero__roles {
    font-size: 1.15rem;
  }
  .staff-divider .eq {
    display: none;
  }
  .portrait__tag--a,
  .portrait__tag--b {
    inset-inline: auto;
  }
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
  .tst-controls {
    gap: 0.5rem;
  }
}

@media (max-width: 420px) {
  .stats {
    grid-template-columns: 1fr;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .piano {
    gap: 2px;
  }
}