/* ==========================================================================
   مرکز سامانه‌ها — استایل اصلی
   ۱) متغیرها و ریست   ۲) پایه و ابزارها   ۳) دکمه‌ها   ۴) هدر
   ۵) هیرو            ۶) سامانه‌ها       ۷) امکانات/آمار/CTA/فوتر
   ۸) انیمیشن‌ها و ریسپانسیو
   ========================================================================== */

/* ============================ ۱) متغیرها ============================ */
:root {
  --font: "Vazirmatn", "Segoe UI", Tahoma, sans-serif;

  --primary: #6366f1;
  --primary-2: #818cf8;
  --cyan: #22d3ee;
  --purple: #a855f7;

  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 28px;

  --container: 1200px;
  --header-h: 74px;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --t-fast: .2s var(--ease);
  --t: .35s var(--ease);
  --t-slow: .6s var(--ease);
}

html[data-theme="dark"] {
  --bg: #070b18;
  --bg-soft: #0b1124;
  --surface: rgba(255, 255, 255, .045);
  --surface-2: rgba(255, 255, 255, .075);
  --border: rgba(255, 255, 255, .09);
  --border-strong: rgba(255, 255, 255, .18);
  --text: #e9edfb;
  --muted: #9aa6c6;
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, .75);
  --glow: .55;
  --blur-bg: rgba(7, 11, 24, .82);
  --panel: rgba(11, 17, 36, .95);
  --panel-soft: rgba(11, 17, 36, .5);
}

html[data-theme="light"] {
  --bg: #f4f6fc;
  --bg-soft: #ffffff;
  --surface: rgba(255, 255, 255, .78);
  --surface-2: rgba(255, 255, 255, .95);
  --border: rgba(15, 23, 42, .09);
  --border-strong: rgba(15, 23, 42, .16);
  --text: #101a33;
  --muted: #5b6683;
  --shadow: 0 22px 50px -22px rgba(20, 30, 70, .35);
  --glow: .3;
  --blur-bg: rgba(244, 246, 252, .85);
  --panel: rgba(255, 255, 255, .97);
  --panel-soft: rgba(255, 255, 255, .6);
  /* رنگ‌های تیره‌تر برای خوانایی بهتر در حالت روشن */
  --primary-2: #4f46e5;
  --cyan: #0891b2;
}

/* ============================ ۲) ریست و پایه ============================ */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.85;
  font-size: 16px;
  overflow-x: hidden;
  transition: background var(--t), color var(--t);
}

img, svg { display: block; max-width: 100%; }
svg { width: 1.15em; height: 1.15em; flex: none; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--primary); color: #fff; }

/* اسکرول‌بار */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--primary), var(--purple));
  border-radius: 99px;
  border: 2px solid var(--bg-soft);
}

:focus-visible {
  outline: 2px solid var(--primary-2);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.skip-link {
  position: fixed;
  inset-inline-start: 50%;
  top: -100px;
  z-index: 999;
  transform: translateX(50%);
  padding: 10px 18px;
  border-radius: 0 0 12px 12px;
  background: var(--primary);
  color: #fff;
  transition: top var(--t);
}
.skip-link:focus { top: 0; }

.grad-text {
  background: linear-gradient(100deg, var(--primary-2), var(--cyan) 45%, var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 220% 100%;
  animation: gradShift 8s ease-in-out infinite;
}

/* نوار پیشرفت اسکرول */
.scroll-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: 3px;
  width: 100%;
  z-index: 200;
  transform: scaleX(0);
  transform-origin: right center;
  background: linear-gradient(90deg, var(--primary), var(--cyan), var(--purple));
}
html[dir="ltr"] .scroll-progress { transform-origin: left center; }

/* ============================ پس‌زمینه تزئینی ============================ */
.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(1100px 620px at 85% -8%, rgba(99, 102, 241, .18), transparent 60%),
    radial-gradient(900px 520px at 5% 12%, rgba(34, 211, 238, .14), transparent 60%),
    var(--bg);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: var(--glow);
  will-change: transform;
}
.blob--1 { width: 46vw; height: 46vw; top: -12vw; inset-inline-end: -8vw; background: #6366f1; animation: floatA 22s ease-in-out infinite; }
.blob--2 { width: 38vw; height: 38vw; bottom: -12vw; inset-inline-start: -10vw; background: #22d3ee; animation: floatB 26s ease-in-out infinite; }
.blob--3 { width: 30vw; height: 30vw; top: 42%; inset-inline-start: 45%; background: #a855f7; animation: floatA 30s ease-in-out infinite reverse; }

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 30%, #000 10%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 10%, transparent 72%);
  opacity: .55;
}

.cursor-glow {
  position: absolute;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  translate: -50% -50%;
  background: radial-gradient(circle, rgba(99, 102, 241, .16), transparent 65%);
  opacity: 0;
  transition: opacity .5s ease;
}
/* ============================ ۳) دکمه‌ها ============================ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 99px;
  font-weight: 600;
  font-size: .95rem;
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: transform var(--t-fast), box-shadow var(--t), background var(--t), color var(--t), border-color var(--t);
  overflow: hidden;
  isolation: isolate;
}
.btn svg { transition: transform var(--t); }
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px) scale(.99); }
.btn:hover svg { transform: translateX(-4px); }

.btn--lg { padding: 15px 30px; font-size: 1rem; }
.btn--sm { padding: 10px 18px; font-size: .875rem; }
.btn--block { width: 100%; }

.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--purple));
  color: #fff;
  box-shadow: 0 14px 30px -12px rgba(99, 102, 241, .8);
}
.btn--primary:hover { box-shadow: 0 20px 42px -12px rgba(99, 102, 241, .95); }

.btn--cyan {
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  color: #fff;
  box-shadow: 0 14px 30px -12px rgba(34, 211, 238, .75);
}
.btn--cyan:hover { box-shadow: 0 20px 42px -12px rgba(34, 211, 238, .9); }

.btn--ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(10px);
}
.btn--ghost:hover { background: var(--surface-2); border-color: var(--primary-2); }

.btn--light { background: #fff; color: #16204a; }
.btn--outline { border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn--outline:hover { background: rgba(255, 255, 255, .14); }

/* درخشش عبوری روی دکمه */
.btn--primary::after,
.btn--cyan::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, transparent 25%, rgba(255, 255, 255, .38) 50%, transparent 75%);
  transform: translateX(-130%);
}
.btn--primary:hover::after,
.btn--cyan:hover::after { animation: shine .9s var(--ease); }

.icon-btn {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  backdrop-filter: blur(10px);
  transition: background var(--t), transform var(--t-fast), border-color var(--t);
}
.icon-btn:hover { transform: rotate(18deg) scale(1.08); border-color: var(--primary-2); }
.icon-btn svg { width: 20px; height: 20px; }
html[data-theme="dark"] .icon-sun { display: none; }
html[data-theme="light"] .icon-moon { display: none; }

/* ============================ ۴) هدر ============================ */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--t), box-shadow var(--t), border-color var(--t), height var(--t);
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  height: 64px;
  background: var(--blur-bg);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--border);
  box-shadow: 0 12px 30px -22px rgba(0, 0, 0, .7);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand { display: inline-flex; align-items: center; gap: 12px; }
/* لوگو داخل یک پلاک سفید تا لوگوی با پس‌زمینه سفید در تم تیره هم تمیز دیده شود */
.brand__mark {
  display: grid;
  place-items: center;
  flex: none;
  height: 48px;
  padding: 5px 10px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 24px -12px rgba(0, 0, 0, .55);
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t);
}
.brand__mark img {
  height: 100%;
  width: auto;
  max-width: 150px;
  object-fit: contain;
}
.brand:hover .brand__mark { transform: translateY(-2px) scale(1.04); box-shadow: 0 14px 28px -12px rgba(0, 0, 0, .65); }
.brand__text { display: flex; flex-direction: column; line-height: 1.35; }
.brand__text strong { font-size: 1.02rem; font-weight: 700; }
.brand__text small { font-size: .72rem; color: var(--muted); }

.nav__list { display: flex; align-items: center; gap: 6px; }
.nav__link {
  position: relative;
  display: block;
  padding: 9px 15px;
  border-radius: 99px;
  font-size: .93rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav__link::after {
  content: "";
  position: absolute;
  inset-block-end: 4px;
  inset-inline-start: 50%;
  translate: 50% 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transition: width var(--t);
}
.nav__link:hover { color: var(--text); background: var(--surface); }
.nav__link:hover::after,
.nav__link.is-active::after { width: 22px; }
.nav__link.is-active { color: var(--text); }

.header__actions { display: flex; align-items: center; gap: 10px; }

.burger { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); }
.burger span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 2px;
  background: var(--text);
  transition: transform var(--t), opacity var(--t-fast);
}
.burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================ ۵) هیرو ============================ */
.hero {
  position: relative;
  padding-block: calc(var(--header-h) + 70px) 90px;
  min-height: 100svh;
  display: flex;
  align-items: center;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 60px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  border-radius: 99px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  backdrop-filter: blur(10px);
  font-size: .82rem;
  color: var(--muted);
}
.pill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, .18);
  animation: pulse 2s ease-in-out infinite;
}

.hero__title {
  margin-block: 22px 18px;
  font-size: clamp(2.1rem, 5.2vw, 3.9rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.5px;
}
.hero__desc {
  max-width: 56ch;
  font-size: clamp(.96rem, 1.6vw, 1.08rem);
  color: var(--muted);
}
.hero__desc b { color: var(--text); font-weight: 600; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-block: 30px 34px; }

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  font-size: .86rem;
  color: var(--muted);
}
.hero__badges li { display: inline-flex; align-items: center; gap: 8px; }
.hero__badges span {
  padding: 3px 11px;
  border-radius: 8px;
  font-weight: 700;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
}

/* --- کارت شیشه‌ای داشبورد --- */
.hero__visual { position: relative; }

.glass-card {
  position: relative;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
  transition: transform var(--t-slow);
}
.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(255, 255, 255, .5), transparent 45%, rgba(99, 102, 241, .5));
  -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;
  pointer-events: none;
}

.glass-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.glass-card__title { font-size: .9rem; font-weight: 600; color: var(--muted); }
.dots { display: inline-flex; gap: 6px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
.dots i:first-child { background: #f87171; }
.dots i:nth-child(2) { background: #fbbf24; }
.dots i:last-child { background: #34d399; }

.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mini-stat {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
}
.mini-stat small { display: block; font-size: .76rem; color: var(--muted); }
.mini-stat strong { display: block; font-size: 1.6rem; font-weight: 800; line-height: 1.5; }
.trend { font-size: .74rem; font-weight: 600; color: #34d399; }

.bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 110px;
  margin-block: 22px 20px;
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
}
.bars span {
  flex: 1;
  height: var(--h);
  border-radius: 6px 6px 3px 3px;
  background: linear-gradient(to top, rgba(99, 102, 241, .25), var(--primary-2));
  transform-origin: bottom;
  animation: barGrow 1s var(--ease) backwards;
}
.bars span:nth-child(1) { animation-delay: .1s; }
.bars span:nth-child(2) { animation-delay: .18s; }
.bars span:nth-child(3) { animation-delay: .26s; }
.bars span:nth-child(4) { animation-delay: .34s; background: linear-gradient(to top, rgba(34, 211, 238, .25), var(--cyan)); }
.bars span:nth-child(5) { animation-delay: .42s; }
.bars span:nth-child(6) { animation-delay: .5s; }
.bars span:nth-child(7) { animation-delay: .58s; }

.progress-rows { display: grid; gap: 14px; }
.progress-row__head {
  display: flex;
  justify-content: space-between;
  font-size: .82rem;
  color: var(--muted);
  margin-bottom: 6px;
}
.progress-row__head b { color: var(--text); }
.track { height: 8px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--border); overflow: hidden; }
.track i {
  display: block;
  width: var(--w);
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  animation: trackFill 1.4s var(--ease) backwards .4s;
}

.chip {
  position: absolute;
  padding: 10px 16px;
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 600;
  border: 1px solid var(--border-strong);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  white-space: nowrap;
}
.chip--1 { inset-block-start: -18px; inset-inline-start: -14px; }
.chip--2 { inset-block-end: -20px; inset-inline-end: -10px; }

.scroll-hint {
  position: absolute;
  inset-block-end: 26px;
  inset-inline-start: 50%;
  translate: 50% 0;
  width: 26px;
  height: 44px;
  border-radius: 99px;
  border: 2px solid var(--border-strong);
}
.scroll-hint span {
  display: block;
  width: 4px;
  height: 8px;
  margin: 8px auto;
  border-radius: 99px;
  background: var(--primary-2);
  animation: wheel 1.7s ease-in-out infinite;
}

/* ============================ ۶) بخش‌ها و سامانه‌ها ============================ */
.section { position: relative; padding-block: 92px; }
.section--alt::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--panel-soft);
  border-block: 1px solid var(--border);
}

.section__head { max-width: 660px; margin: 0 auto 54px; text-align: center; }
.eyebrow {
  display: inline-block;
  padding: 5px 15px;
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .5px;
  color: var(--primary-2);
  background: rgba(99, 102, 241, .13);
  border: 1px solid rgba(99, 102, 241, .32);
}
.section__title {
  margin-block: 16px 12px;
  font-size: clamp(1.65rem, 3.6vw, 2.5rem);
  font-weight: 800;
  line-height: 1.45;
}
.section__lead { color: var(--muted); font-size: 1rem; }

.systems {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.sys-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(165deg, var(--surface-2), var(--surface));
  backdrop-filter: blur(18px);
  overflow: hidden;
  isolation: isolate;
  transform-style: preserve-3d;
  transition: transform var(--t-slow), border-color var(--t), box-shadow var(--t);
}
.sys-card:hover {
  border-color: rgba(99, 102, 241, .45);
  box-shadow: 0 34px 70px -34px rgba(99, 102, 241, .6);
}

.sys-card__glow {
  position: absolute;
  z-index: -1;
  inset-block-start: -120px;
  inset-inline-end: -120px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .28;
  background: var(--primary);
  transition: opacity var(--t), transform var(--t-slow);
}
.sys-card__glow--cyan { background: var(--cyan); }
.sys-card:hover .sys-card__glow { opacity: .5; transform: scale(1.25); }

.sys-card__head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 22px; }

.sys-card__icon {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border-radius: 20px;
  color: #fff;
  transition: transform var(--t), box-shadow var(--t);
}
.sys-card__icon svg { width: 30px; height: 30px; }
.sys-card__icon--indigo { background: linear-gradient(135deg, #6366f1, #a855f7); box-shadow: 0 16px 34px -14px rgba(99, 102, 241, .95); }
.sys-card__icon--cyan { background: linear-gradient(135deg, #06b6d4, #3b82f6); box-shadow: 0 16px 34px -14px rgba(34, 211, 238, .95); }
.sys-card:hover .sys-card__icon { transform: translateY(-4px) rotate(-8deg) scale(1.06); }

.sys-card__tag {
  padding: 6px 14px;
  border-radius: 99px;
  font-size: .76rem;
  font-weight: 600;
  color: var(--primary-2);
  background: rgba(99, 102, 241, .13);
  border: 1px solid rgba(99, 102, 241, .3);
}
.sys-card__tag--cyan {
  color: var(--cyan);
  background: rgba(34, 211, 238, .13);
  border-color: rgba(34, 211, 238, .3);
}

.sys-card__title { font-size: clamp(1.2rem, 2.4vw, 1.55rem); font-weight: 700; line-height: 1.6; }
.sys-card__desc { margin-block: 12px 22px; color: var(--muted); font-size: .95rem; }

.sys-card__list { display: grid; gap: 12px; margin-bottom: 30px; }
.sys-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .92rem;
  color: var(--text);
}
.sys-card__list svg {
  width: 18px;
  height: 18px;
  margin-block-start: 5px;
  padding: 2px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
}
.sys-card > .btn { margin-block-start: auto; }

/* ============================ امکانات ============================ */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.feature {
  position: relative;
  padding: 28px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(14px);
  transition: transform var(--t), border-color var(--t), background var(--t), box-shadow var(--t);
}
.feature:hover {
  transform: translateY(-8px);
  background: var(--surface-2);
  border-color: rgba(99, 102, 241, .4);
  box-shadow: 0 28px 55px -30px rgba(99, 102, 241, .6);
}
.feature__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 16px;
  color: var(--primary-2);
  background: rgba(99, 102, 241, .13);
  border: 1px solid rgba(99, 102, 241, .26);
  transition: transform var(--t), color var(--t);
}
.feature__icon svg { width: 26px; height: 26px; }
.feature:hover .feature__icon { transform: scale(1.1) rotate(-6deg); color: var(--cyan); }
.feature h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 8px; }
.feature p { font-size: .92rem; color: var(--muted); }

/* ============================ آمار ============================ */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  padding: 34px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.stat { text-align: center; padding: 12px; border-radius: var(--radius-sm); transition: background var(--t); }
.stat:hover { background: var(--surface); }
.stat__num {
  display: block;
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  font-weight: 800;
  line-height: 1.4;
  background: linear-gradient(120deg, var(--primary-2), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span { font-size: .88rem; color: var(--muted); }

/* ============================ ۷) CTA و فوتر ============================ */
.cta {
  position: relative;
  overflow: hidden;
  padding: 60px 40px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(99, 102, 241, .4);
  text-align: center;
  color: #fff;
  isolation: isolate;
}
.cta__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, #4f46e5, #6366f1 35%, #0891b2 70%, #7c3aed);
  background-size: 260% 260%;
  animation: gradShift 12s ease infinite;
}
.cta__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .22) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .5;
}
.cta h2 { font-size: clamp(1.5rem, 3.4vw, 2.25rem); font-weight: 800; line-height: 1.5; }
.cta p { max-width: 58ch; margin: 14px auto 30px; opacity: .92; font-size: 1rem; }
.cta__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

/* --- کارت پشتیبانی با عکس --- */
.support {
  display: grid;
  grid-template-columns: 210px 1fr;
  align-items: center;
  gap: 40px;
  text-align: right;
}
.support__body h2 { margin-block-start: 12px; }
.support__body p { margin-inline: 0; margin-block: 12px 22px; }
.support__body .cta__actions { justify-content: flex-start; }

.support__eyebrow {
  display: inline-block;
  padding: 5px 15px;
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .32);
  backdrop-filter: blur(6px);
}

.support__person {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-inline-start: 16px;
  margin-block-end: 26px;
  border-inline-start: 3px solid rgba(255, 255, 255, .5);
}
.support__person strong { font-size: 1.12rem; font-weight: 700; }
.support__person span { font-size: .88rem; opacity: .85; }

.support__photo {
  position: relative;
  width: 190px;
  height: 190px;
  margin: 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, rgba(255, 255, 255, .28), rgba(255, 255, 255, .08));
}
.support__photo img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, .75);
  box-shadow: 0 22px 45px -18px rgba(0, 0, 0, .55);
  animation: floatY 7s ease-in-out infinite;
}

/* حلقه چرخان دور عکس */
.support__ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 255, 255, .55);
  animation: spin 22s linear infinite;
}

.support__badge {
  position: absolute;
  inset-block-end: -6px;
  inset-inline-start: 50%;
  translate: 50% 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: 99px;
  font-size: .76rem;
  font-weight: 600;
  white-space: nowrap;
  color: #0f2b1a;
  background: #d1fae5;
  box-shadow: 0 10px 22px -10px rgba(0, 0, 0, .5);
}
.support__badge i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #16a34a;
  animation: pulse 2s ease-in-out infinite;
}

/* اگر فایل عکس موجود نبود، حرف اول نام نمایش داده می‌شود */
.support__photo.is-fallback img { display: none; }
.support__photo.is-fallback::before {
  content: attr(data-initials);
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 4px 18px rgba(0, 0, 0, .35);
}

.site-footer {
  position: relative;
  padding-block: 56px 20px;
  border-top: 1px solid var(--border);
  background: var(--panel-soft);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 34px;
}
.footer__brand p { margin-block-start: 16px; max-width: 42ch; font-size: .9rem; color: var(--muted); }
.footer__links h4 { margin-bottom: 16px; font-size: 1rem; font-weight: 700; }
.footer__links ul { display: grid; gap: 11px; }
.footer__links a {
  display: inline-block;
  font-size: .91rem;
  color: var(--muted);
  transition: color var(--t-fast), transform var(--t-fast);
}
.footer__links a:hover { color: var(--primary-2); transform: translateX(-5px); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block-start: 20px;
  border-top: 1px solid var(--border);
  font-size: .84rem;
  color: var(--muted);
}
.footer__status { display: inline-flex; align-items: center; gap: 8px; }
.footer__status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, .18);
  animation: pulse 2s ease-in-out infinite;
}

.to-top {
  position: fixed;
  z-index: 90;
  inset-block-end: 24px;
  inset-inline-start: 24px;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  box-shadow: 0 16px 32px -14px rgba(99, 102, 241, .95);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(.85);
  transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { transform: translateY(-4px) scale(1.06); }
.to-top svg { width: 22px; height: 22px; }

/* ============================ ۸) انیمیشن‌ها ============================ */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

.float-y { animation: floatY 6s ease-in-out infinite; }
.float-y-slow { animation: floatY 8.5s ease-in-out infinite reverse; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@keyframes floatA {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-6%, 8%) scale(1.12); }
  66% { transform: translate(5%, -6%) scale(.94); }
}
@keyframes floatB {
  0%, 100% { transform: translate(0, 0) scale(1); }
  40% { transform: translate(8%, -7%) scale(1.15); }
  75% { transform: translate(-5%, 5%) scale(.9); }
}
@keyframes gradShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, .45); }
  50% { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); }
}
@keyframes shine { to { transform: translateX(130%); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes barGrow { from { transform: scaleY(0); opacity: 0; } }
@keyframes trackFill { from { width: 0; } }
@keyframes wheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ============================ ریسپانسیو ============================ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 54px; }
  .hero__visual { max-width: 560px; margin-inline: auto; }
  .hero { min-height: auto; padding-block: calc(var(--header-h) + 54px) 70px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .scroll-hint { display: none; }

  /* بخش پشتیبانی: عکس بالا، متن پایین */
  .support {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 30px;
  }
  .support__body p { margin-inline: auto; }
  .support__body .cta__actions { justify-content: center; }
  .support__person { align-items: center; padding-inline-start: 0; border-inline-start: 0; }
}

@media (max-width: 900px) {
  .systems { grid-template-columns: 1fr; }
  .header__cta { display: none; }
  .burger { display: block; }

  .nav {
    position: fixed;
    inset-block-start: var(--header-h);
    inset-inline: 14px;
    padding: 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--panel);
    backdrop-filter: blur(22px);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px) scale(.98);
    transition: opacity var(--t), transform var(--t), visibility var(--t);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav__link { padding: 13px 16px; border-radius: var(--radius-sm); font-size: 1rem; }
  .nav__link::after { display: none; }
  .nav__link.is-active { background: var(--surface-2); }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .section { padding-block: 64px; }
  .section__head { margin-bottom: 38px; }
  .sys-card, .cta { padding: 24px 20px; }
  .stats { padding: 20px 12px; }
  .glass-card { padding: 18px; }
  .mini-stats { grid-template-columns: 1fr; }
  .bars { height: 88px; }
  .chip--1, .chip--2 { position: static; display: inline-block; margin-block-start: 12px; }
  .brand__text small { display: none; }
  .brand__mark { height: 40px; padding: 4px 8px; }
  .brand__mark img { max-width: 120px; }
  .hero__actions .btn { width: 100%; }
  .footer__inner { grid-template-columns: 1fr; gap: 26px; }
  .to-top { inset-block-end: 16px; inset-inline-start: 16px; }

  /* دکمه‌های تماس تمام‌عرض و متن کوچک‌تر برای ایمیل بلند */
  .support__body .btn { width: 100%; padding-inline: 16px; font-size: .88rem; }
  .support__body .btn span { overflow: hidden; text-overflow: ellipsis; }
  .support__photo { width: 158px; height: 158px; }
  .footer__links a[dir="ltr"] { font-size: .84rem; }
}

/* گوشی‌های کوچک: کوچک‌تر شدن لوگوی افقی تا هدر شلوغ نشود */
@media (max-width: 480px) {
  .brand__mark { height: 34px; padding: 3px 7px; border-radius: 9px; }
  .brand__mark img { max-width: 96px; }
  .brand__text strong { font-size: .95rem; }
  .brand { gap: 9px; }
}

/* دسترس‌پذیری: کاهش حرکت */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* چاپ */
@media print {
  .site-header, .to-top, .bg-decor, .scroll-progress, .scroll-hint { display: none !important; }
  body { background: #fff; color: #000; }
}