/* =========================================================================
   Rafina Studio — استایل صفحه‌ی نمایش دموها
   ========================================================================= */

/* ------------------------------------------------------------- توکن‌ها -- */
:root {
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --gold: #e9c46a;
  --radius: 20px;
  --radius-sm: 12px;
  --radius-lg: 28px;

  --bg: #0a0b12;
  --bg-elev: #11131e;
  --bg-soft: #161927;
  --line: rgba(255, 255, 255, .09);
  --line-strong: rgba(255, 255, 255, .16);
  --text: #edf0f7;
  --text-dim: #a2abc4;
  --text-mute: #6e7796;
  --shadow: 0 24px 70px -28px rgba(0, 0, 0, .85);
  --shadow-sm: 0 10px 30px -18px rgba(0, 0, 0, .8);

  --maxw: 1240px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font: "Vazirmatn", "Vazir", "IRANSans", "Segoe UI", Tahoma, sans-serif;
}

html[data-theme="light"] {
  --bg: #f6f7fb;
  --bg-elev: #ffffff;
  --bg-soft: #eef1f8;
  --line: rgba(16, 20, 40, .09);
  --line-strong: rgba(16, 20, 40, .16);
  --text: #141a2b;
  --text-dim: #4d5875;
  --text-mute: #838da8;
  --shadow: 0 24px 60px -30px rgba(24, 30, 60, .35);
  --shadow-sm: 0 10px 26px -18px rgba(24, 30, 60, .35);
}

/* --------------------------------------------------------------- پایه -- */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: calc(16px * var(--font-scale, 1));
  line-height: 1.85;
  overflow-x: hidden;
  transition: background .45s var(--ease), color .45s var(--ease);
}

body.is-locked { overflow: hidden; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }

::selection { background: color-mix(in srgb, var(--accent) 45%, transparent); }

/* اسکرول‌بار */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--text-mute) 45%, transparent);
  border-radius: 99px;
  border: 3px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* -------------------------------------------------------------- چیدمان -- */
.wrap {
  width: min(100% - 40px, var(--maxw));
  margin-inline: auto;
}

.section { padding: clamp(64px, 9vw, 130px) 0; position: relative; }
.section--tight { padding-block: clamp(48px, 6vw, 84px); }

/* ---------------------------------------------------------- پس‌زمینه -- */
.bg-fx {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-fx__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .5;
  will-change: transform;
}
html[data-theme="light"] .bg-fx__orb { opacity: .32; }

.bg-fx__orb--1 {
  width: 46vw; height: 46vw; top: -14vw; inset-inline-end: -10vw;
  background: radial-gradient(circle, var(--accent), transparent 65%);
}
.bg-fx__orb--2 {
  width: 40vw; height: 40vw; top: 48vh; inset-inline-start: -12vw;
  background: radial-gradient(circle, var(--accent-2), transparent 65%);
}
.bg-fx__orb--3 {
  width: 34vw; height: 34vw; bottom: -10vw; inset-inline-end: 18vw;
  background: radial-gradient(circle, var(--gold), transparent 65%);
  opacity: .28;
}
body[data-glow="off"] .bg-fx__orb { display: none; }

.bg-fx__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to left, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 55% at 50% 0%, #000 20%, transparent 75%);
  opacity: .55;
}

.bg-fx__grain {
  position: absolute; inset: 0; opacity: .3; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}
body[data-grain="off"] .bg-fx__grain { display: none; }

/* درخشش دنبال‌کننده‌ی موس */
.cursor-glow {
  position: fixed;
  width: 460px; height: 460px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  translate: -50% -50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 62%);
  opacity: 0;
  transition: opacity .5s var(--ease);
  filter: blur(24px);
}
.cursor-glow.is-on { opacity: 1; }

/* لایه‌ی محتوا بالای افکت‌ها */
.page { position: relative; z-index: 2; }

/* -------------------------------------------------------------- اجزا -- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; font-weight: 600; letter-spacing: .04em;
  color: var(--text-dim);
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: color-mix(in srgb, var(--bg-elev) 70%, transparent);
  backdrop-filter: blur(8px);
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}

.h-sec {
  font-size: clamp(1.7rem, 3.6vw, 2.9rem);
  line-height: 1.35;
  font-weight: 800;
  margin: 18px 0 12px;
  letter-spacing: -.01em;
}

.sub-sec {
  color: var(--text-dim);
  max-width: 62ch;
  margin: 0;
  font-size: 1.02rem;
}

.sec-head { margin-bottom: clamp(30px, 4vw, 54px); }
.sec-head--center { text-align: center; }
.sec-head--center .sub-sec { margin-inline: auto; }

.grad-text {
  background: linear-gradient(100deg, var(--accent), var(--accent-2) 55%, var(--gold));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
/* در حالت روشن رنگ‌های روشن روی پس‌زمینه‌ی سفید کم‌کنتراست می‌شوند */
html[data-theme="light"] .grad-text {
  background: linear-gradient(100deg,
    var(--accent),
    color-mix(in srgb, var(--accent-2) 72%, #0b1220) 58%,
    color-mix(in srgb, var(--gold) 72%, #0b1220));
  -webkit-background-clip: text; background-clip: text;
}

/* دکمه‌ها */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: .96rem;
  position: relative;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease),
              background .3s var(--ease), border-color .3s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 14px 34px -14px color-mix(in srgb, var(--accent) 80%, transparent);
}
.btn--primary::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, var(--accent-2), var(--accent));
  opacity: 0; transition: opacity .4s var(--ease);
}
.btn--primary:hover::after { opacity: 1; }
.btn--primary > * { position: relative; z-index: 1; }
.btn--primary span { position: relative; z-index: 1; }

.btn--ghost {
  border-color: var(--line-strong);
  background: color-mix(in srgb, var(--bg-elev) 60%, transparent);
  color: var(--text);
  backdrop-filter: blur(10px);
}
.btn--ghost:hover { border-color: var(--accent); }

.btn--sm { padding: 9px 18px; font-size: .87rem; border-radius: 11px; }

/* کارت شیشه‌ای */
.glass {
  background: color-mix(in srgb, var(--bg-elev) 78%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
}

/* ------------------------------------------------------------ توپ‌بار -- */
.topbar {
  position: relative; z-index: 40;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: .88rem;
  font-weight: 600;
}
.topbar__in {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  padding: 10px 20px; text-align: center; flex-wrap: wrap;
}
.topbar a {
  border-bottom: 1px dashed rgba(255, 255, 255, .7);
  padding-bottom: 1px;
}
.topbar__close {
  position: absolute; inset-inline-start: 14px; top: 50%; translate: 0 -50%;
  background: rgba(255, 255, 255, .18); border: 0; border-radius: 8px;
  width: 26px; height: 26px; line-height: 1; color: #fff;
  display: grid; place-items: center;
}

/* --------------------------------------------------------------- هدر -- */
.nav {
  position: sticky; top: 0; z-index: 50;
  transition: background .4s var(--ease), border-color .4s var(--ease),
              box-shadow .4s var(--ease), padding .4s var(--ease);
  border-bottom: 1px solid transparent;
  padding-block: 14px;
}
.nav.is-stuck {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
  padding-block: 9px;
}
.nav__in { display: flex; align-items: center; gap: 20px; }

.brand { display: flex; align-items: center; gap: 11px; margin-inline-end: auto; }
.brand__mark {
  width: 42px; height: 42px; border-radius: 13px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 1.2rem; font-weight: 800;
  box-shadow: 0 10px 26px -12px color-mix(in srgb, var(--accent) 90%, transparent);
  overflow: hidden;
}
.brand__mark img { width: 100%; height: 100%; object-fit: cover; }
.brand__txt { display: flex; flex-direction: column; line-height: 1.25; }
.brand__fa { font-weight: 800; font-size: 1.06rem; }
.brand__en {
  font-size: .68rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-mute); font-family: "Segoe UI", Tahoma, sans-serif;
}

.nav__links { display: flex; gap: 4px; align-items: center; }
.nav__links a {
  padding: 9px 14px; border-radius: 11px; font-size: .95rem; font-weight: 600;
  color: var(--text-dim); position: relative;
  transition: color .3s var(--ease), background .3s var(--ease);
}
.nav__links a:hover { color: var(--text); background: color-mix(in srgb, var(--bg-soft) 80%, transparent); }
.nav__links a.is-active { color: var(--text); }
.nav__links a.is-active::after {
  content: ""; position: absolute; bottom: 3px; inset-inline: 14px; height: 2px;
  border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.nav__actions { display: flex; align-items: center; gap: 9px; }

.icon-btn {
  width: 40px; height: 40px; border-radius: 12px;
  border: 1px solid var(--line); background: color-mix(in srgb, var(--bg-elev) 65%, transparent);
  display: grid; place-items: center; flex: none;
  transition: border-color .3s var(--ease), transform .3s var(--ease), background .3s;
}
.icon-btn:hover { border-color: var(--accent); transform: translateY(-2px); }
.icon-btn svg { width: 19px; height: 19px; }

.nav__burger { display: none; }

/* منوی موبایل */
.mmenu {
  position: fixed; inset: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  backdrop-filter: blur(16px);
  display: flex; flex-direction: column; padding: 24px;
  transform: translateX(-100%);
  transition: transform .5s var(--ease);
  visibility: hidden;
}
.mmenu.is-open { transform: none; visibility: visible; }
.mmenu__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.mmenu__links { display: flex; flex-direction: column; gap: 6px; }
.mmenu__links a {
  padding: 15px 16px; border-radius: 14px; font-weight: 700; font-size: 1.08rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 60%, transparent);
}
.mmenu__foot { margin-top: auto; display: grid; gap: 10px; }

/* -------------------------------------------------------------- هیرو -- */
.hero { padding: clamp(48px, 7vw, 96px) 0 clamp(40px, 5vw, 70px); position: relative; }
.hero__in { text-align: center; display: grid; justify-items: center; gap: 22px; }

.hero__title {
  font-size: clamp(2.15rem, 6.4vw, 4.6rem);
  line-height: 1.24;
  font-weight: 800;
  margin: 0;
  letter-spacing: -.02em;
  max-width: 18ch;
}
.hero__title em { font-style: normal; position: relative; display: inline-block; }
/* خط تاکید زیر عبارت برجسته — پشت متن گرادیانی قرار نمی‌گیرد تا از لابه‌لای
   حروفِ شفافِ background-clip دیده نشود. */
.hero__title em::after {
  content: ""; position: absolute; inset-inline: -2px; bottom: -.06em; height: 5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 4px; opacity: .55;
}

.hero__sub { color: var(--text-dim); font-size: clamp(1rem, 1.6vw, 1.16rem); max-width: 58ch; margin: 0; }
.hero__btns { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero__note { font-size: .84rem; color: var(--text-mute); }

.hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  width: min(100%, 780px); margin-top: 12px;
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--line);
}
.hero__stat {
  background: color-mix(in srgb, var(--bg-elev) 80%, transparent);
  padding: 20px 12px; text-align: center; backdrop-filter: blur(10px);
}
.hero__stat b { display: block; font-size: clamp(1.3rem, 3vw, 1.85rem); font-weight: 800; line-height: 1.3; }
.hero__stat span { font-size: .82rem; color: var(--text-mute); }

/* ------------------------------------------------------------ مارکی -- */
.marquee { padding-block: 26px; border-block: 1px solid var(--line); overflow: hidden; }
.marquee__title { text-align: center; font-size: .82rem; color: var(--text-mute); margin-bottom: 16px; }
.marquee__track {
  display: flex; gap: 46px; width: max-content;
  animation: mq 32s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  font-weight: 700; font-size: 1.02rem; color: var(--text-mute);
  font-family: "Segoe UI", Tahoma, sans-serif; letter-spacing: .04em;
  white-space: nowrap; transition: color .3s var(--ease);
}
.marquee__item:hover { color: var(--text); }
@keyframes mq { to { transform: translateX(50%); } }

/* ---------------------------------------------- فیلتر دسته‌بندی دموها -- */
.filters {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  margin-bottom: 36px;
}
.filter {
  padding: 9px 20px; border-radius: 99px; font-weight: 600; font-size: .92rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 55%, transparent);
  color: var(--text-dim);
  transition: all .35s var(--ease);
}
.filter:hover { color: var(--text); border-color: var(--line-strong); transform: translateY(-2px); }
.filter.is-active {
  color: #fff; border-color: transparent;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 26px -14px color-mix(in srgb, var(--accent) 85%, transparent);
}

/* ------------------------------------------------------- شبکه‌ی دموها -- */
.demos-grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 3), minmax(0, 1fr));
  gap: clamp(20px, 2.4vw, 34px);
}

.demo {
  position: relative;
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.demo.is-in { opacity: 1; transform: none; }
.demo.is-hidden { display: none; }

.demo__frame {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elev);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .55s var(--ease), box-shadow .55s var(--ease),
              border-color .45s var(--ease);
}
.demo:hover .demo__frame {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 34px 80px -30px color-mix(in srgb, var(--accent) 55%, transparent), var(--shadow);
}

/* نوار مرورگر */
.demo__bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-soft) 90%, transparent);
}
.demo__dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.demo__dot:nth-child(1) { background: #ff5f57; }
.demo__dot:nth-child(2) { background: #febc2e; }
.demo__dot:nth-child(3) { background: #28c840; }
.demo__url {
  margin-inline-start: auto;
  font-size: .68rem; color: var(--text-mute);
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  padding: 3px 12px; border-radius: 99px;
  max-width: 60%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  direction: ltr;
}

/* ناحیه‌ی اسکرول‌شونده */
.demo__view {
  position: relative;
  height: var(--card-h, 420px);
  overflow: hidden;
  background: var(--bg-soft);
}
.demo__shot {
  width: 100%;
  display: block;
  transform: translateY(0);
  transition: transform var(--scroll-dur, 9s) cubic-bezier(.33, .05, .3, .98);
  will-change: transform;
}
.demo:hover .demo__shot,
.demo.is-touch-active .demo__shot {
  transform: translateY(var(--scroll-to, 0px));
}

/* نوار پیشرفت پیمایش */
.demo__progress {
  position: absolute; inset-inline: 0; bottom: 0; height: 3px;
  background: color-mix(in srgb, var(--text-mute) 25%, transparent);
  opacity: 0; transition: opacity .3s var(--ease);
}
.demo:hover .demo__progress, .demo.is-touch-active .demo__progress { opacity: 1; }
.demo__progress i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width var(--scroll-dur, 9s) cubic-bezier(.33, .05, .3, .98);
}
.demo:hover .demo__progress i, .demo.is-touch-active .demo__progress i { width: 100%; }

/* روکش و دکمه‌ی مشاهده */
.demo__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top,
    color-mix(in srgb, var(--bg) 92%, transparent) 0%,
    color-mix(in srgb, var(--bg) 40%, transparent) 34%,
    transparent 62%);
  opacity: 0; transition: opacity .45s var(--ease);
  display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: 26px; pointer-events: none;
}
.demo:hover .demo__overlay, .demo.is-touch-active .demo__overlay { opacity: 1; }
.demo__overlay .btn { pointer-events: auto; transform: translateY(10px); transition: transform .45s var(--ease); }
.demo:hover .demo__overlay .btn { transform: none; }

/* نشان داخل ناحیه‌ی تصویر قرار می‌گیرد تا با نوار مرورگر تداخل نکند */
.demo__badge {
  position: absolute; top: 14px; inset-inline-start: 14px; z-index: 3;
  padding: 5px 13px; border-radius: 99px; font-size: .74rem; font-weight: 700;
  color: #fff; background: linear-gradient(100deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 20px -10px color-mix(in srgb, var(--accent) 90%, transparent);
}

.demo__meta { padding: 20px 6px 4px; text-align: center; }
.demo__tag { font-size: .8rem; color: var(--text-mute); }
.demo__title {
  font-size: 1.22rem; font-weight: 800; margin: 5px 0 0;
  display: inline-block; position: relative;
  transition: color .35s var(--ease);
}
.demo__title::after {
  content: ""; position: absolute; inset-inline: 0; bottom: -6px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease);
}
.demo:hover .demo__title::after { transform: scaleX(1); }

.demos-empty { text-align: center; color: var(--text-mute); padding: 40px 0; }

/* --------------------------------------------------- گالری صفحات داخلی -- */
.inner-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.inner-card {
  position: relative; border-radius: var(--radius-sm);
  border: 1px solid var(--line); overflow: hidden;
  background: var(--bg-elev); box-shadow: var(--shadow-sm);
  cursor: zoom-in;
  transition: transform .5s var(--ease), border-color .4s var(--ease);
}
.inner-card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.inner-card__view { height: 230px; overflow: hidden; }
.inner-card__view img {
  width: 100%; transition: transform 4.5s cubic-bezier(.33, .05, .3, .98);
}
.inner-card:hover .inner-card__view img { transform: translateY(var(--scroll-to, -40%)); }
.inner-card__cap {
  padding: 13px 16px; font-size: .9rem; font-weight: 600;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.inner-card__cap span:last-child { color: var(--text-mute); font-size: 1.1rem; line-height: 1; }

/* لایت‌باکس */
.lightbox {
  position: fixed; inset: 0; z-index: 90;
  background: color-mix(in srgb, #000 82%, transparent);
  backdrop-filter: blur(10px);
  display: grid; place-items: center; padding: 30px;
  opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__box {
  width: min(980px, 100%); max-height: 86vh; overflow: auto;
  border-radius: var(--radius); border: 1px solid var(--line-strong);
  background: var(--bg-elev);
  transform: scale(.96); transition: transform .45s var(--ease);
}
.lightbox.is-open .lightbox__box { transform: none; }
.lightbox__close {
  position: absolute; top: 22px; inset-inline-start: 22px;
  width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line-strong);
  background: var(--bg-elev); display: grid; place-items: center; font-size: 1.2rem;
}

/* ---------------------------------------------------------- امکانات -- */
.features-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px;
}
.feature {
  padding: 26px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 72%, transparent);
  position: relative; overflow: hidden;
  transition: transform .5s var(--ease), border-color .4s var(--ease), background .4s;
}
.feature::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%),
    color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
  opacity: 0; transition: opacity .45s var(--ease);
}
.feature:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.feature:hover::before { opacity: 1; }
.feature__icon {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  font-size: 1.35rem; margin-bottom: 14px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  position: relative;
}
.feature__title { font-weight: 800; font-size: 1.06rem; margin: 0 0 6px; position: relative; }
.feature__desc { color: var(--text-dim); font-size: .93rem; margin: 0; position: relative; line-height: 1.9; }

/* ------------------------------------------------------------- موبایل -- */
.mobile { position: relative; }
.mobile__in {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 70px);
  align-items: center;
}
.mobile__list { list-style: none; padding: 0; margin: 22px 0 26px; display: grid; gap: 11px; }
.mobile__list li { display: flex; gap: 11px; align-items: flex-start; color: var(--text-dim); }
.mobile__list li::before {
  content: "✓"; flex: none; width: 22px; height: 22px; margin-top: 5px;
  border-radius: 7px; display: grid; place-items: center; font-size: .72rem; font-weight: 800;
  color: #fff; background: linear-gradient(140deg, var(--accent), var(--accent-2));
}
.phones { position: relative; display: flex; justify-content: center; gap: 18px; }
.phone {
  width: 210px; border-radius: 34px; padding: 9px;
  border: 1px solid var(--line-strong);
  background: var(--bg-soft);
  box-shadow: var(--shadow);
  overflow: hidden; position: relative;
}
.phone:nth-child(2) { transform: translateY(34px) rotate(3deg); }
.phone:nth-child(1) { transform: rotate(-3deg); }
.phone__notch {
  position: absolute; top: 14px; left: 50%; translate: -50% 0;
  width: 74px; height: 17px; border-radius: 99px; background: var(--bg); z-index: 2;
}
.phone__screen { border-radius: 26px; overflow: hidden; height: 400px; }
.phone__screen img { width: 100%; transition: transform 7s cubic-bezier(.33,.05,.3,.98); }
.phones:hover .phone__screen img { transform: translateY(-55%); }

/* --------------------------------------------------------------- آمار -- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat {
  text-align: center; padding: 30px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 70%, transparent);
}
.stat b {
  display: block; font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.25;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { color: var(--text-mute); font-size: .92rem; }

/* ------------------------------------------------------------- نظرات -- */
.tst-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.tst {
  padding: 28px 26px; border-radius: var(--radius);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 72%, transparent);
  position: relative;
  transition: transform .5s var(--ease), border-color .4s;
}
.tst:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.tst__quote {
  position: absolute; top: 14px; inset-inline-start: 20px;
  font-size: 3.6rem; line-height: 1; color: var(--accent); opacity: .16; font-family: Georgia, serif;
}
.tst__text { margin: 0 0 20px; color: var(--text-dim); position: relative; }
.tst__who { display: flex; align-items: center; gap: 12px; }
.tst__avatar {
  width: 44px; height: 44px; border-radius: 14px; flex: none; overflow: hidden;
  display: grid; place-items: center; font-weight: 800; color: #fff;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}
.tst__avatar img { width: 100%; height: 100%; object-fit: cover; }
.tst__name { font-weight: 700; font-size: .97rem; }
.tst__role { font-size: .82rem; color: var(--text-mute); }

/* -------------------------------------------------------------- تعرفه -- */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.plan {
  padding: 32px 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 72%, transparent);
  display: flex; flex-direction: column;
  transition: transform .5s var(--ease), border-color .4s;
  position: relative;
}
.plan:hover { transform: translateY(-6px); }
.plan--featured {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent) 12%, transparent),
    color-mix(in srgb, var(--bg-elev) 80%, transparent) 45%);
  box-shadow: 0 30px 70px -34px color-mix(in srgb, var(--accent) 75%, transparent);
}
.plan__flag {
  position: absolute; top: -13px; inset-inline-start: 50%; translate: 50% 0;
  padding: 5px 16px; border-radius: 99px; font-size: .76rem; font-weight: 700; color: #fff;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  white-space: nowrap;
}
.plan__name { font-weight: 800; font-size: 1.16rem; margin: 0 0 4px; }
.plan__period { color: var(--text-mute); font-size: .86rem; }
.plan__price { font-size: clamp(1.6rem, 3.4vw, 2.2rem); font-weight: 800; margin: 16px 0 4px; }
.plan__price small { font-size: .8rem; font-weight: 600; color: var(--text-mute); margin-inline-start: 6px; }
.plan__list { list-style: none; padding: 0; margin: 20px 0 26px; display: grid; gap: 10px; }
.plan__list li { display: flex; gap: 10px; align-items: flex-start; font-size: .94rem; color: var(--text-dim); }
.plan__list li::before {
  content: "✓"; flex: none; width: 20px; height: 20px; margin-top: 4px; border-radius: 6px;
  display: grid; place-items: center; font-size: .68rem; font-weight: 800;
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent);
}
.plan .btn { margin-top: auto; width: 100%; }

/* ------------------------------------------------------------ سوالات -- */
.faq-list { display: grid; gap: 12px; max-width: 860px; margin-inline: auto; }
.faq-item {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elev) 70%, transparent);
  overflow: hidden;
  transition: border-color .4s var(--ease);
}
.faq-item.is-open { border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.faq-q {
  width: 100%; text-align: start; background: none; border: 0;
  padding: 20px 24px; font-weight: 700; font-size: 1.02rem;
  display: flex; align-items: center; gap: 14px;
}
.faq-q i {
  margin-inline-start: auto; flex: none;
  width: 26px; height: 26px; border-radius: 9px; display: grid; place-items: center;
  border: 1px solid var(--line); font-style: normal; font-size: 1rem;
  transition: transform .4s var(--ease), background .3s, color .3s;
}
.faq-item.is-open .faq-q i {
  transform: rotate(45deg);
  background: linear-gradient(140deg, var(--accent), var(--accent-2)); color: #fff; border-color: transparent;
}
.faq-a { max-height: 0; overflow: hidden; transition: max-height .45s var(--ease); }
.faq-a p { margin: 0; padding: 0 24px 22px; color: var(--text-dim); }

/* ------------------------------------------------------- فراخوان پایانی -- */
.cta-box {
  border-radius: var(--radius-lg);
  padding: clamp(38px, 6vw, 70px) clamp(24px, 5vw, 60px);
  text-align: center;
  position: relative; overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  background:
    radial-gradient(700px circle at 50% 0%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 70%),
    color-mix(in srgb, var(--bg-elev) 80%, transparent);
}
.cta-box h2 { font-size: clamp(1.7rem, 4vw, 2.7rem); font-weight: 800; margin: 0 0 12px; }
.cta-box p { color: var(--text-dim); margin: 0 0 26px; }
.cta-box .hero__btns { justify-content: center; }

/* --------------------------------------------------------------- فوتر -- */
.footer { border-top: 1px solid var(--line); padding-top: 56px; margin-top: 20px; }
.footer__top {
  display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 30px;
  padding-bottom: 40px;
}
.footer__about { color: var(--text-dim); font-size: .94rem; max-width: 38ch; margin: 16px 0 20px; }
.footer h4 { font-size: 1rem; font-weight: 700; margin: 0 0 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.footer ul a { color: var(--text-dim); font-size: .93rem; transition: color .3s var(--ease); }
.footer ul a:hover { color: var(--accent); }
.socials { display: flex; gap: 9px; }
.socials a {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  border: 1px solid var(--line); font-size: .78rem; font-weight: 700; color: var(--text-dim);
  font-family: "Segoe UI", Tahoma, sans-serif;
  transition: all .35s var(--ease);
}
.socials a:hover {
  color: #fff; border-color: transparent; transform: translateY(-3px);
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}
.footer__bottom {
  border-top: 1px solid var(--line); padding: 20px 0 30px;
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  color: var(--text-mute); font-size: .86rem;
}
.footer__bottom a { color: var(--text-dim); }
.footer__bottom a:hover { color: var(--accent); }

/* ------------------------------------------------------ رفتن به بالا -- */
.to-top {
  position: fixed; inset-inline-end: 22px; bottom: 22px; z-index: 45;
  width: 46px; height: 46px; border-radius: 15px;
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: blur(10px);
  display: grid; place-items: center;
  opacity: 0; transform: translateY(14px); pointer-events: none;
  transition: all .45s var(--ease);
  box-shadow: var(--shadow-sm);
}
.to-top.is-on { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { border-color: var(--accent); transform: translateY(-3px); }

/* ---------------------------------------------------- ورود به پنل ادمین -- */
.admin-fab {
  position: fixed; inset-inline-end: 22px; bottom: 78px; z-index: 45;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 15px; font-size: .85rem; font-weight: 700;
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: blur(10px); box-shadow: var(--shadow-sm);
  transition: all .4s var(--ease);
}
.admin-fab:hover { border-color: var(--accent); transform: translateY(-3px); }

/* ------------------------------------------------------------ ظهور -- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ------------------------------------------------------------ ریسپانسیو -- */
@media (max-width: 1080px) {
  .demos-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .inner-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tst-grid { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav__links, .nav__actions .btn { display: none; }
  .nav__burger { display: grid; }
  .mobile__in { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .demos-grid { grid-template-columns: 1fr; }
  .inner-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .phone:nth-child(2) { display: none; }
  .phone { width: 240px; }
  /* روی موبایل جای کافی نیست؛ لینک پنل در فوتر باقی می‌ماند */
  .admin-fab { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}