/* ==========================================================================
   CPOL Portal — استایل پایه (فونت، متغیرها، ریست، دکمه‌ها، هدر، فوتر)
   ========================================================================== */

@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Light.woff2') format('woff2');
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Regular.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Medium.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-SemiBold.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Bold.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-ExtraBold.woff2') format('woff2');
  font-weight: 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Black.woff2') format('woff2');
  font-weight: 900; font-style: normal; font-display: swap;
}

:root {
  --bg: #F4F8FE;
  --surface: #FFFFFF;
  --navy-950: #081733;
  --navy-900: #0B1F3A;
  --navy-800: #10294E;
  --navy-700: #173A75;
  --blue-600: #1E5EFF;
  --blue-500: #3B76FF;
  --blue-100: #DCE9FF;
  --sky-400: #38BDF8;
  --sky-300: #7DD3FC;
  --ink: #0F1F3D;
  --muted: #5A6B8C;
  --muted-2: #8B97B0;
  --border: #E3EBF7;
  --border-2: #D4E2F5;
  --green: #16A34A;
  --green-bg: #EAF8EF;
  --amber: #D97706;
  --amber-bg: #FDF3E3;
  --red: #DC2626;
  --red-bg: #FDECEC;
  --grad: linear-gradient(135deg, #1E5EFF 0%, #38BDF8 100%);
  --grad-navy: linear-gradient(140deg, #081733 0%, #0B1F3A 45%, #123063 100%);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(15, 40, 90, .08);
  --shadow-lg: 0 24px 60px rgba(11, 31, 58, .16);
  --shadow-blue: 0 12px 32px rgba(30, 94, 255, .25);
  --container: 1200px;
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; font-family: inherit; font-size: .88rem; color: var(--muted); }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-500); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: inherit; }
h1, h2, h3, h4 { line-height: 1.4; font-weight: 800; color: var(--navy-900); }

.container { max-width: var(--container); margin-inline: auto; padding-inline: 20px; }
.muted { color: var(--muted); }
.dim { color: var(--muted-2); font-size: .92em; }
.center { text-align: center; }
.mono { font-family: 'Vazirmatn', monospace; letter-spacing: .4px; }
.icon { vertical-align: middle; flex-shrink: 0; }
.span-all { grid-column: 1 / -1; }
.inline-form { display: inline; }

/* ---------------- دکمه‌ها ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; border-radius: 12px; border: 1.5px solid transparent;
  font-weight: 700; font-size: .95rem; line-height: 1.6;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-blue); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 16px 38px rgba(30, 94, 255, .35); }
.btn-outline { background: #fff; color: var(--navy-700); border-color: var(--border-2); }
.btn-outline:hover { border-color: var(--blue-600); color: var(--blue-600); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: var(--navy-700); }
.btn-ghost:hover { background: var(--blue-100); color: var(--blue-600); }
.btn-white { background: #fff; color: var(--navy-800); box-shadow: 0 12px 30px rgba(3, 12, 34, .35); }
.btn-white:hover { color: var(--blue-600); transform: translateY(-2px); }
.btn-glass { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.25); backdrop-filter: blur(8px); }
.btn-glass:hover { background: rgba(255,255,255,.2); color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 13px 26px; font-size: 1.02rem; border-radius: 14px; }
.btn-sm { padding: 7px 14px; font-size: .86rem; border-radius: 10px; }
.btn-block { width: 100%; }
.btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }
.link-btn { background: none; border: 0; color: var(--blue-600); font-weight: 700; }
.link-btn:disabled { color: var(--muted-2); cursor: not-allowed; }

/* ---------------- هدر عمومی ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 11px; color: var(--navy-900); font-weight: 900; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center;
  background: var(--grad); color: #fff; box-shadow: var(--shadow-blue);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; font-size: 1.18rem; letter-spacing: .5px; }
.brand-text small { font-size: .68rem; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.brand-light { color: #fff; }
.brand-light .brand-text small { color: rgba(255,255,255,.65); }
.main-nav { display: flex; gap: 6px; margin-inline-start: 8px; }
.main-nav a {
  padding: 9px 15px; border-radius: 10px; color: var(--ink); font-weight: 600; font-size: .95rem;
  transition: background .16s, color .16s;
}
.main-nav a:hover, .main-nav a.active { background: var(--blue-100); color: var(--blue-600); }
.header-actions { margin-inline-start: auto; display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--navy-900); margin-inline-start: auto; }

/* ---------------- فلاش‌ها و هشدارها ---------------- */
.flash-zone { margin-top: 16px; }
.alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 13px 16px; border-radius: var(--radius-sm); margin-bottom: 10px;
  font-size: .93rem; border: 1px solid;
}
.alert .icon { margin-top: 2px; }
.alert-info { background: #EAF3FF; border-color: #C9DFFF; color: #1D4ED8; }
.alert-success { background: var(--green-bg); border-color: #BFE8CC; color: #15803D; }
.alert-error, .alert-danger { background: var(--red-bg); border-color: #F6C6C6; color: #B91C1C; }
.alert-warning { background: var(--amber-bg); border-color: #F5D9A8; color: #B45309; }

/* ---------------- فوتر ---------------- */
.site-footer { background: var(--grad-navy); color: rgba(255,255,255,.82); margin-top: 90px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 40px;
  padding: 54px 20px 40px;
}
.footer-brand p { margin-top: 16px; font-size: .93rem; max-width: 380px; color: rgba(255,255,255,.66); }
.footer-col h4 { color: #fff; margin-bottom: 14px; font-size: 1rem; }
.footer-col a, .footer-col span {
  display: block; padding: 5px 0; color: rgba(255,255,255,.66); font-size: .92rem;
}
.footer-col a:hover { color: var(--sky-300); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.09); padding: 16px 0; }
.footer-bottom .container {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: .82rem; color: rgba(255,255,255,.45);
}

/* ---------------- ابزارهای انیمیشن ---------------- */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------- صفحه خطا ---------------- */
.error-hero { padding: 90px 0 60px; text-align: center; }
.error-code {
  font-size: 110px; font-weight: 900; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 10px;
}
.error-hero h1 { font-size: 1.7rem; margin-bottom: 8px; }
.error-hero p { color: var(--muted); margin-bottom: 26px; }
.error-hero .cta-actions { display: flex; gap: 12px; justify-content: center; }

/* ---------------- ریسپانسیو پایه ---------------- */
@media (max-width: 900px) {
  .main-nav {
    display: none; position: absolute; top: var(--header-h); inset-inline: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 12px 20px; box-shadow: var(--shadow-lg);
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .header-actions { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
}