/* ==========================================================================
   tebn.ir — سامانه شعب + اطلاع‌رسانی + اینستاگرام دکتر
   ساختار:
     ۱) متغیرها  ۲) ریست  ۳) ابزارها  ۴) هدر + دکمه اینستاگرام
     ۵) بخش شعب (کادر اصلی)  ۶) کارت‌های شعبه  ۷) اطلاعیه + لینک‌ها
     ۸) FAQ  ۹) فوتر + لینک اینستاگرام  ۱۰) واکنش‌گرایی
   ========================================================================== */

/* ─────────── ۱) متغیرها ─────────── */
:root {
  --c-primary:       #1b5e20;
  --c-primary-700:   #0d3b1e;
  --c-primary-soft:  #e8f5e9;
  --c-accent:        #2e7d32;
  --c-gold:          #d4a517;
  --c-gold-soft:     #fff7e0;

  --c-lahijan-1: #1e3a8a;
  --c-lahijan-2: #2563eb;
  --c-lahijan-3: #0ea5e9;
  --c-najafabad-1: #065f46;
  --c-najafabad-2: #059669;
  --c-najafabad-3: #14b8a6;

  --c-ig-1: #405DE6;
  --c-ig-2: #833AB4;
  --c-ig-3: #C13584;
  --c-ig-4: #E1306C;
  --c-ig-5: #FD1D1D;

  --c-text:          #1f2937;
  --c-muted:         #4b5563;
  --c-border:        #d8e3d8;
  --c-bg:            #ffffff;
  --c-bg-alt:        #f6faf6;
  --c-focus:         #b25e00;

  --container: 66rem;
  --gutter:    clamp(1rem, 4vw, 2rem);
  --radius-sm: .625rem;
  --radius:    1rem;
  --radius-lg: 1.5rem;

  --shadow-1: 0 1px 2px rgba(15, 30, 53, .06), 0 6px 16px rgba(15, 30, 53, .08);
  --shadow-2: 0 18px 40px rgba(15, 30, 53, .18);
  --shadow-card-hover: 0 24px 48px rgba(15, 30, 53, .22);

  --font-stack: "Vazirmatn", "IRANSansX", "IRANSans", "Segoe UI",
                Tahoma, system-ui, -apple-system, sans-serif;

  --transition: 220ms cubic-bezier(.2, .7, .3, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-stack);
  font-size: clamp(.95rem, .9rem + .25vw, 1.0625rem);
  line-height: 1.9;
  color: var(--c-text);
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
}

h1, h2, h3 { line-height: 1.45; margin: 0 0 .6em; font-weight: 800; }
h1 { font-size: clamp(1.5rem, 1.2rem + 1.8vw, 2.2rem); }
h2 { font-size: clamp(1.2rem, 1.05rem + .8vw, 1.6rem); }
h3 { font-size: clamp(1rem, .95rem + .4vw, 1.15rem); }

p { margin: 0 0 1em; }
a { color: var(--c-primary); text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--c-primary-700); }

:focus-visible {
  outline: 3px solid var(--c-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─────────── ۳) ابزارها ─────────── */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -4rem;
  z-index: 100;
  padding: .7rem 1.2rem;
  background: var(--c-primary);
  color: #fff;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  transition: top var(--transition);
}
.skip-link:focus { top: 0; color: #fff; }

.container {
  width: min(100% - (2 * var(--gutter)), var(--container));
  margin-inline: auto;
}

/* ─────────── ۴) هدر + دکمه اینستاگرام ─────────── */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  padding-block: .8rem;
  position: sticky;
  top: 0;
  z-index: 50;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand { display: inline-flex; align-items: center; gap: .75rem; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 6px 16px -6px rgba(27, 94, 32, .6);
}
.brand__mark svg { width: 1.35rem; height: 1.35rem; }

.brand__text { display: flex; flex-direction: column; line-height: 1.35; }
.brand__text strong { font-size: .95rem; color: var(--c-primary-700); }
.brand__text small { color: var(--c-muted); font-size: .76rem; }

/* دکمه اینستاگرام (پیل گرادیان) */
.ig-btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem 1rem .5rem .75rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--c-ig-1) 0%, var(--c-ig-2) 30%,
                              var(--c-ig-3) 60%, var(--c-ig-4) 85%, var(--c-ig-5) 100%);
  color: #fff !important;
  text-decoration: none !important;
  font-weight: 800;
  box-shadow: 0 8px 20px -8px rgba(193, 53, 132, .7);
  transition: transform var(--transition), filter var(--transition),
              box-shadow var(--transition);
  flex-shrink: 0;
}
.ig-btn:hover {
  color: #fff !important;
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 14px 26px -10px rgba(193, 53, 132, .85);
}

.ig-btn__icon {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, .22);
  border: 1px solid rgba(255, 255, 255, .35);
  animation: ig-pulse 2.4s ease-in-out infinite;
  flex-shrink: 0;
}
.ig-btn__icon svg { width: 1.05rem; height: 1.05rem; }

@keyframes ig-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 255, 255, .55); }
  50%      { transform: scale(1.06); box-shadow: 0 0 0 8px rgba(255, 255, 255, 0); }
}

.ig-btn__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.ig-btn__text small {
  font-size: .68rem;
  font-weight: 600;
  opacity: .9;
}
.ig-btn__text strong {
  font-size: .9rem;
  font-weight: 900;
  letter-spacing: .02em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ─────────── ۵) بخش شعب (کادر اصلی) ─────────── */
.branches {
  position: relative;
  padding-block: clamp(2rem, 6vw, 3.5rem) clamp(2rem, 5vw, 3rem);
  overflow: hidden;
  color: #fff;
}
.branches__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1000px 500px at 80% -20%, rgba(46, 125, 50, .6), transparent 60%),
    radial-gradient(800px 400px at 10% 120%, rgba(13, 71, 161, .5), transparent 60%),
    radial-gradient(600px 300px at 50% 50%, rgba(212, 165, 23, .12), transparent 70%),
    linear-gradient(180deg, #0d3b1e 0%, #0b2c17 100%);
  z-index: -1;
}
.branches__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .1) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, transparent, #000 40%, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 40%, #000 70%, transparent);
}

.branches__header {
  text-align: center;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.branches__title {
  color: #fff;
  text-wrap: balance;
  margin-bottom: .5rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .3);
}

.branches__subtitle {
  color: #d9e8da;
  margin: 0;
  font-size: .95rem;
  max-width: 46ch;
  margin-inline: auto;
}
.branches__subtitle strong { color: #ffd15c; }

/* ─────────── ۶) کارت‌های شعبه ─────────── */
.branch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
  max-width: 54rem;
  margin-inline: auto;
}

.branch-card {
  --c1: var(--c-primary);
  --c2: var(--c-primary-700);
  --c3: var(--c-primary);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: clamp(1.75rem, 4vw, 2.5rem) clamp(1.5rem, 3.5vw, 2.25rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, .98) 0%, #fff 100%);
  color: var(--c-text);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, .3);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, .5),
              var(--shadow-1);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
}

.branch-card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--c1), var(--c2), var(--c3));
  z-index: 2;
}

.branch-card__glow {
  position: absolute;
  inset: auto -30% -60% auto;
  width: 80%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--c2) 0%, transparent 65%);
  opacity: 0;
  transition: opacity 500ms ease;
  z-index: 0;
  filter: blur(8px);
  pointer-events: none;
}

.branch-card:hover,
.branch-card:focus-visible {
  transform: translateY(-6px);
  box-shadow: 0 28px 50px -20px rgba(0, 0, 0, .55),
              var(--shadow-card-hover);
  border-color: var(--c2);
  color: var(--c-text);
}
.branch-card:hover .branch-card__glow,
.branch-card:focus-visible .branch-card__glow { opacity: .16; }

.branch-card:focus-visible { outline: 3px solid var(--c3); outline-offset: 4px; }

.branch-card__icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 1.25rem;
  background: linear-gradient(135deg, var(--c1), var(--c2));
  color: #fff;
  box-shadow: 0 12px 24px -8px var(--c2);
  margin-bottom: 1rem;
  transition: transform var(--transition);
}
.branch-card__icon svg { width: 2.15rem; height: 2.15rem; }
.branch-card:hover .branch-card__icon { transform: rotate(-4deg) scale(1.06); }

.branch-card__badge {
  position: absolute;
  top: 1.15rem;
  inset-inline-end: 1.15rem;
  padding: .25rem .8rem;
  border-radius: 999px;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: .72rem;
  font-weight: 800;
  z-index: 3;
}

.branch-card__city {
  position: relative;
  z-index: 1;
  font-size: clamp(1.6rem, 1.35rem + 1.2vw, 2.1rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--c-text);
  margin-top: .25rem;
  letter-spacing: -.01em;
}

.branch-card__region {
  position: relative;
  z-index: 1;
  display: inline-block;
  font-size: .88rem;
  color: var(--c2);
  font-weight: 700;
  margin-bottom: .75rem;
}

.branch-card__desc {
  position: relative;
  z-index: 1;
  color: var(--c-muted);
  font-size: .95rem;
  line-height: 1.85;
  margin-bottom: 1.5rem;
}

.branch-card__cta {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  align-self: flex-start;
  padding: .9rem 1.7rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--c1), var(--c2));
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 12px 24px -10px var(--c2);
  transition: gap var(--transition), transform var(--transition),
              box-shadow var(--transition);
  margin-bottom: .85rem;
}
.branch-card:hover .branch-card__cta {
  gap: .85rem;
  transform: translateY(-1px);
  box-shadow: 0 16px 28px -10px var(--c2);
}
.branch-card__cta-icon { width: 1rem; height: 1rem; }

.branch-card__url {
  position: relative;
  z-index: 1;
  font-size: .78rem;
  color: var(--c-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  opacity: .75;
  letter-spacing: .02em;
}

.branch-card--lahijan {
  --c1: var(--c-lahijan-1);
  --c2: var(--c-lahijan-2);
  --c3: var(--c-lahijan-3);
}
.branch-card--najafabad {
  --c1: var(--c-najafabad-1);
  --c2: var(--c-najafabad-2);
  --c3: var(--c-najafabad-3);
}

.branches__note {
  text-align: center;
  color: #c7dbc9;
  font-size: .88rem;
  margin-top: 1.75rem;
  margin-bottom: 0;
  max-width: 55rem;
  margin-inline: auto;
}

/* ─────────── ۷) اطلاعیه + لینک‌ها ─────────── */
.section { padding-block: clamp(2rem, 5vw, 3.5rem); }
.section--notice { padding-block: clamp(1.5rem, 4vw, 2.5rem); }

.section__title {
  position: relative;
  padding-bottom: .5rem;
  color: var(--c-primary-700);
  margin-bottom: 1.5rem;
}
.section__title::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  bottom: 0;
  width: 3.5rem;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-gold));
}

.notice {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.5rem 1.75rem;
  background: linear-gradient(135deg, #fff8e0 0%, #fff0c2 100%);
  border: 1.5px solid var(--c-gold);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 22px -12px rgba(212, 165, 23, .6);
}

.notice__icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-gold), #b88d0c);
  color: #fff;
}
.notice__icon svg { width: 1.5rem; height: 1.5rem; }

.notice__content { flex: 1; min-width: 0; }
.notice__title {
  margin: 0 0 .4rem;
  font-size: 1.1rem;
  color: #6b5000;
}
.notice__text {
  margin: 0 0 1rem;
  color: #5a4400;
  font-size: .95rem;
}
.notice__text strong { color: #3d2f00; }

.notice__links {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

.notice__link {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .75rem 1.4rem;
  border-radius: 999px;
  color: #fff !important;
  text-decoration: none !important;
  font-weight: 800;
  font-size: .95rem;
  transition: transform var(--transition), box-shadow var(--transition),
              filter var(--transition);
}
.notice__link strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .02em;
}

.notice__link--site {
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  box-shadow: 0 12px 24px -10px rgba(27, 94, 32, .7);
}
.notice__link--site:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 16px 30px -10px rgba(27, 94, 32, .85);
}

.notice__link--ig {
  background: linear-gradient(135deg, var(--c-ig-1), var(--c-ig-4));
  box-shadow: 0 12px 24px -10px rgba(193, 53, 132, .7);
}
.notice__link--ig:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 16px 30px -10px rgba(193, 53, 132, .85);
}

/* ─────────── ۸) FAQ ─────────── */
.faq {
  display: grid;
  gap: .75rem;
  max-width: 48rem;
}

.faq__item {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 0 1.25rem;
  box-shadow: var(--shadow-1);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq__item:hover { border-color: var(--c-accent); }
.faq__item[open] {
  box-shadow: 0 12px 28px -12px rgba(27, 94, 32, .25);
  border-color: var(--c-accent);
}

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-primary-700);
}
.faq__item summary::after {
  content: "+";
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--c-primary-soft);
  color: var(--c-primary-700);
  font-size: 1.1rem;
  line-height: 1;
  transition: transform var(--transition), background var(--transition),
              color var(--transition);
}
.faq__item:hover summary::after {
  background: var(--c-primary);
  color: #fff;
}
.faq__item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
  background: var(--c-primary);
  color: #fff;
}
.faq__item p {
  margin: 0 0 1.1rem;
  color: var(--c-muted);
  font-size: .95rem;
}

/* ─────────── ۹) فوتر + لینک اینستاگرام ─────────── */
.site-footer {
  margin-top: auto;
  background: linear-gradient(180deg, #0d3b1e 0%, #08240f 100%);
  color: #d9e8da;
  padding-block: 1.5rem;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, #000, transparent 70%);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 70%);
  pointer-events: none;
}
.site-footer__inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.site-footer__text {
  margin: 0;
  font-size: .85rem;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.site-footer__link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  color: #fff !important;
  text-decoration: none !important;
  font-weight: 700;
  font-size: .85rem;
  transition: transform var(--transition), background var(--transition),
              border-color var(--transition);
}
.site-footer__link:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, .18);
  border-color: rgba(255, 255, 255, .35);
}

.site-footer__link--ig {
  background: linear-gradient(135deg, var(--c-ig-1), var(--c-ig-4));
  border-color: transparent;
  box-shadow: 0 8px 18px -8px rgba(193, 53, 132, .7);
}
.site-footer__link--ig:hover {
  filter: brightness(1.08);
  background: linear-gradient(135deg, var(--c-ig-1), var(--c-ig-4));
  box-shadow: 0 12px 24px -8px rgba(193, 53, 132, .85);
}

/* ─────────── ۱۰) واکنش‌گرایی و کاهش حرکت ─────────── */
@media (max-width: 40rem) {
  .header__inner { justify-content: center; }
  .ig-btn--header .ig-btn__text { display: none; }
  .ig-btn--header { padding: .45rem; }
  .ig-btn--header .ig-btn__icon {
    width: 2.4rem; height: 2.4rem;
    border: none;
    background: transparent;
  }
  .ig-btn--header .ig-btn__icon svg { width: 1.4rem; height: 1.4rem; }

  .site-footer__inner { flex-direction: column; text-align: center; }
  .site-footer__links { justify-content: center; }
  .branch-card__cta { align-self: stretch; justify-content: center; }
  .notice { flex-direction: column; align-items: center; text-align: center; }
  .notice__links { justify-content: center; }
  .brand__text small { display: none; }
  .branch-card__icon { width: 3.5rem; height: 3.5rem; border-radius: 1rem; }
  .branch-card__icon svg { width: 1.75rem; height: 1.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .ig-btn__icon { animation: none !important; }
}

@media print {
  .site-header, .branches__bg, .notice__icon,
  .ig-btn, .site-footer__link--ig { display: none !important; }
  body { background: #fff; color: #000; }
  .branches { color: #000; }
  .branches__title, .branches__subtitle, .branches__note { color: #000; text-shadow: none; }
  .branch-card { box-shadow: none; border: 2px solid #000; }
}