:root {
  --bg: #f6f4f8;
  --ink: #221a2c;
  --muted: #6b6377;
  --line: #ddd6e6;
  --tint: #ece6f2;
  --plum: #3b2650;
  --night: #1d1527;
  --gold: #b8975a;
  --font: "Vazirmatn", Tahoma, system-ui, sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 19px/2 var(--font);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3 {
  font-weight: 900;
  margin: 0;
}
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

.top {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(22px, 5vw);
  color: #f1ecf6;
  transition:
    background 0.3s,
    color 0.3s,
    border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.top.solid {
  background: rgba(246, 244, 248, 0.9);
  backdrop-filter: blur(16px);
  color: var(--ink);
  border-color: var(--line);
}
.logo {
  font:
    500 24px/1 "Helvetica Neue",
    Arial,
    sans-serif;
  letter-spacing: 0.18em;
  direction: ltr;
}
.top nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 20px;
}
.top nav a {
  opacity: 0.8;
  transition: opacity 0.2s;
}
.top nav a:hover {
  opacity: 1;
}
.top nav .cta {
  opacity: 1;
  border: 1px solid currentColor;
  border-radius: 10px;
  padding: 5px 20px;
  line-height: 1.9;
}

.hero {
  position: relative;
  height: 100svh;
  min-height: 640px;
  overflow: hidden;
  background: var(--night);
  display: flex;
  align-items: center;
}
.hero canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to left,
    rgba(29, 21, 39, 0.96) 0%,
    rgba(29, 21, 39, 0.82) 42%,
    rgba(29, 21, 39, 0.1) 100%
  );
  pointer-events: none;
}
.hero-copy {
  position: relative;
  z-index: 2;
  width: min(1240px, 100%);
  margin: auto;
  padding: 80px max(22px, 5vw) 0;
}
.hero h1 {
  font-size: clamp(34px, 4.8vw, 62px);
  line-height: 1.45;
  color: #f6f1fa;
  max-width: 14em;
  letter-spacing: -0.5px;
}
.hero p {
  font-size: clamp(18px, 1.5vw, 21px);
  color: #c9bfd6;
  max-width: 30em;
  margin: 22px 0 38px;
}
.btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 30px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 17px;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}
.btn.light {
  background: #f6f1fa;
  color: var(--night);
}
.btn.light:hover {
  background: #fff;
}
.btn.ghost {
  border-color: rgba(246, 241, 250, 0.4);
  color: #f6f1fa;
}
.btn.ghost:hover {
  border-color: #f6f1fa;
}
.btn.plum {
  background: var(--plum);
  color: #fff;
}
.btn.plum:hover {
  background: #4a3063;
}
.btn.line {
  border-color: var(--ink);
}
.btn.line:hover {
  background: var(--ink);
  color: #fff;
}

.sec {
  width: min(1240px, 100%);
  margin: auto;
  padding: clamp(80px, 11vw, 150px) max(22px, 5vw) 0;
}
.sec:last-of-type {
  padding-bottom: clamp(80px, 11vw, 150px);
}
.sec h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.5;
  max-width: 18em;
}
.lead {
  font-size: clamp(18px, 1.5vw, 21px);
  color: var(--muted);
  max-width: 34em;
  margin: 14px 0 0;
}
.paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 56px;
}
.path {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 56px;
  min-height: 340px;
  padding: clamp(28px, 3.5vw, 44px);
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
}
.path.tint {
  background: var(--tint);
  border-color: transparent;
}
.path h3 {
  font-size: 28px;
  line-height: 1.6;
  margin-bottom: 8px;
}
.path p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}
.path .btn {
  align-self: flex-start;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 56px);
  margin: 56px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: s;
}
.steps li {
  counter-increment: s;
  border-top: 1px solid var(--ink);
  padding-top: 22px;
}
.steps li::before {
  content: counter(s, persian);
  color: var(--gold);
  font-size: 22px;
}
.steps h3 {
  font-size: 24px;
  margin: 4px 0 6px;
}
.steps p {
  margin: 0;
  color: var(--muted);
}
.chips {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 22px 16px;
  margin: 56px 0 0;
  padding: 0;
  list-style: none;
}
.chips li {
  display: grid;
  font-size: 14px;
  line-height: 1.7;
}
.chips i {
  display: block;
  height: 34px;
  border-radius: 9px;
  background: var(--c);
  margin-bottom: 9px;
  box-shadow:
    inset 0 2px rgba(255, 255, 255, 0.4),
    inset 0 -4px 6px rgba(0, 0, 0, 0.18);
}
.chips b {
  font-weight: 400;
  direction: ltr;
  text-align: right;
  letter-spacing: 0.02em;
}
.chips span {
  color: var(--muted);
  direction: ltr;
  text-align: right;
  font-size: 12px;
}
.foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 30px max(22px, 5vw);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 15px;
}

@media (max-width: 850px) {
  .top nav a:not(.cta) {
    display: none;
  }
  .paths,
  .steps {
    grid-template-columns: 1fr;
  }
  .hero::after {
    background: linear-gradient(
      to top,
      rgba(29, 21, 39, 0.96) 30%,
      rgba(29, 21, 39, 0.55) 100%
    );
  }
  .hero {
    align-items: flex-end;
  }
  .hero-copy {
    padding-bottom: 64px;
  }
  .foot {
    flex-direction: column;
  }
}

/* ===== UI خلاق: نخ پیشرفت، ورود نرم، هاله‌ی مهره‌ها، بافت روی کارت‌ها ===== */
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes shine{to{background-position:-200% 0}}
.thread{position:fixed;inset:0 0 auto;height:8px;z-index:40;pointer-events:none}
.thread i{display:block;height:100%;width:var(--p,0%);background:radial-gradient(circle at 5px 4px,var(--gold) 0 3px,transparent 3.6px) 0 0/12px 8px repeat-x;filter:drop-shadow(0 1px 2px rgba(0,0,0,.25))}
.gilt{background:linear-gradient(100deg,#b8975a 20%,#f3e2b4 40%,#b8975a 60%) 0 0/200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 5s linear infinite}
.hero-copy>*{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero-copy p{animation-delay:.12s}.hero-copy .btns{animation-delay:.24s}
.top nav a:not(.cta){position:relative}
.top nav a:not(.cta)::after{content:"";position:absolute;inset-inline:0;bottom:-2px;margin:auto;width:7px;height:7px;border-radius:50%;background:var(--gold);transform:scale(0);transition:transform .25s}
.top nav a:not(.cta):hover::after{transform:scale(1)}
.rv{opacity:0;transform:translateY(26px) scale(.98);transition:opacity .7s,transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}
.sec h2::after{content:"";display:block;width:104px;height:12px;margin-top:12px;background:radial-gradient(circle,var(--gold) 0 3.2px,transparent 3.8px) 0 50%/17px 12px repeat-x}
.path{position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s}
.path>*{position:relative}
.path::before{content:"";position:absolute;inset:0;background:repeating-conic-gradient(from 45deg,rgba(184,151,90,.13) 0 25%,transparent 0 50%) 0 0/24px 24px;opacity:0;transition:opacity .4s}
.path:hover{transform:translateY(-6px) rotate(-.4deg);box-shadow:0 24px 50px rgba(59,38,80,.16)}
.path:hover::before{opacity:1}
.steps li::before{display:inline-grid;place-items:center;width:46px;height:36px;border-radius:12px;color:#fff;font-size:20px;line-height:1;background:linear-gradient(#cfae6c,#a7853f);box-shadow:inset 0 3px rgba(255,255,255,.45),inset 0 -5px 7px rgba(0,0,0,.2);transition:transform .3s}
.steps li:hover::before{transform:rotate(-8deg) scale(1.1)}
.chips li{cursor:pointer;transition:transform .2s}
.chips li:hover{transform:translateY(-4px) rotate(-2deg)}
.chips li:hover i{box-shadow:inset 0 2px rgba(255,255,255,.5),inset 0 -4px 6px rgba(0,0,0,.2),0 10px 18px rgba(0,0,0,.18)}
.toast{position:fixed;inset-inline:0;bottom:26px;margin:auto;width:max-content;max-width:90vw;padding:8px 22px;border-radius:999px;background:var(--night);color:#f6f1fa;font-size:16px;line-height:1.8;opacity:0;transform:translateY(16px);transition:.3s;z-index:50;pointer-events:none}
.toast.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.gilt,.hero-copy>*{animation:none}}