/* =========================================================================
   هتل سپید سرعین — هویت بصری "چشمه آب‌گرم معدنی"
   توکن‌های رنگ/تایپوگرافی + ۴ پوسته رنگی + ۳ اندازه فونت + راست‌به‌چپ/چپ‌به‌راست
   ========================================================================= */

:root{
  /* پالت پیش‌فرض: Thermal Teal */
  --bg:            #EAF1EF;
  --surface:       #FFFFFF;
  --surface-2:     #F3F8F6;
  --ink:           #123331;
  --ink-soft:      #45605D;
  --primary:       #1F5C57;
  --primary-dark:  #123A3D;
  --accent:        #C08A3E;
  --accent-deep:   #8C4A2B;
  --line:          rgba(18,51,49,0.12);
  --shadow:        0 20px 45px -25px rgba(18,51,49,0.35);

  --font-display: 'Vazirmatn', system-ui, sans-serif;
  --font-body:    'Vazirmatn', system-ui, sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --container: 1180px;

  --fs-root: 16px;
}

html[data-theme="amber"]{
  --bg:            #FBF3E6;
  --surface:       #FFFFFF;
  --surface-2:     #F7ECDA;
  --ink:           #3A2A16;
  --ink-soft:      #6B5236;
  --primary:       #B5651D;
  --primary-dark:  #7C4212;
  --accent:        #1F5C57;
  --accent-deep:   #123A3D;
  --line:          rgba(58,42,22,0.14);
  --shadow:        0 20px 45px -25px rgba(58,42,22,0.35);
}

html[data-theme="midnight"]{
  --bg:            #0F2422;
  --surface:       #163430;
  --surface-2:     #123028;
  --ink:           #EAF1EF;
  --ink-soft:      #9FC1BC;
  --primary:       #4FBFAE;
  --primary-dark:  #2E8579;
  --accent:        #E3AE63;
  --accent-deep:   #C08A3E;
  --line:          rgba(234,241,239,0.14);
  --shadow:        0 20px 45px -25px rgba(0,0,0,0.6);
}

html[data-theme="sand"]{
  --bg:            #F1ECDD;
  --surface:       #FFFFFF;
  --surface-2:     #E9E2CC;
  --ink:           #3A3626;
  --ink-soft:      #6B6650;
  --primary:       #6B5A3E;
  --primary-dark:  #4A3E29;
  --accent:        #2E6F6A;
  --accent-deep:   #1D4A46;
  --line:          rgba(58,54,38,0.15);
  --shadow:        0 20px 45px -25px rgba(58,54,38,0.35);
}

html[data-theme="emerald"]{
  --bg:            #EAF3EC;
  --surface:       #FFFFFF;
  --surface-2:     #DCEEE2;
  --ink:           #12332A;
  --ink-soft:      #3F6455;
  --primary:       #1E6B4F;
  --primary-dark:  #123F2E;
  --accent:        #C9A227;
  --accent-deep:   #8C6F14;
  --line:          rgba(18,51,42,0.14);
  --shadow:        0 20px 45px -25px rgba(18,51,42,0.35);
}

html[data-theme="rose"]{
  --bg:            #FBF0F0;
  --surface:       #FFFFFF;
  --surface-2:     #F3DFE0;
  --ink:           #3A2028;
  --ink-soft:      #70505A;
  --primary:       #A24E63;
  --primary-dark:  #6E3242;
  --accent:        #3F6B66;
  --accent-deep:   #294744;
  --line:          rgba(58,32,40,0.14);
  --shadow:        0 20px 45px -25px rgba(58,32,40,0.35);
}

html[data-theme="royal"]{
  --bg:            #EEF0F8;
  --surface:       #FFFFFF;
  --surface-2:     #E2E6F5;
  --ink:           #1B1F3B;
  --ink-soft:      #4A4F72;
  --primary:       #24296B;
  --primary-dark:  #14173F;
  --accent:        #C9A227;
  --accent-deep:   #8C6F14;
  --line:          rgba(27,31,59,0.14);
  --shadow:        0 20px 45px -25px rgba(27,31,59,0.35);
}

html[data-font="sm"]{ --fs-root: 14.5px; }
html[data-font="md"]{ --fs-root: 16px; }
html[data-font="lg"]{ --fs-root: 18.5px; }

*{ box-sizing:border-box; }
html{ font-size: var(--fs-root); scroll-behavior:smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height:1.75;
  transition: background .3s ease, color .3s ease;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ font-family: var(--font-display); margin:0 0 .5em; color:var(--ink); }
h2{ font-size: clamp(1.7rem, 2.4vw, 2.4rem); font-weight:800; letter-spacing:-.01em; }
h2 span{ color: var(--primary); }
h3{ font-size:1.15rem; font-weight:700; }
p{ margin:0 0 1em; color: var(--ink-soft); }

.section{ padding: 5.5rem 1.5rem; max-width: var(--container); margin:0 auto; }
.eyebrow{
  display:inline-block; font-size:.8rem; font-weight:700; letter-spacing:.14em;
  text-transform:uppercase; color: var(--accent-deep); margin-bottom:.6rem;
}
.center{ text-align:center; }
.eyebrow.center{ display:block; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: .9rem 2rem; border-radius: 999px; font-weight:700; font-size:1rem;
  border:2px solid transparent; cursor:pointer; transition: transform .2s ease, box-shadow .2s ease;
}
.btn-primary{ background: var(--accent); color: #241505; box-shadow: var(--shadow); position:relative; overflow:hidden; }
.btn-primary:hover{ transform: translateY(-2px); }
.btn-primary::after{
  content:""; position:absolute; top:0; inset-inline-start:-60%; width:40%; height:100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.6), transparent);
  transform: skewX(-20deg); transition: inset-inline-start .6s ease;
}
.btn-primary:hover::after{ inset-inline-start:120%; }

/* ================= هدر ================= */
.site-header{
  position: sticky; top:0; z-index:60;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  max-width: 1320px; margin:0 auto; padding: .8rem 1.5rem;
  display:flex; align-items:center; justify-content:space-between; gap:1.2rem;
}
.brand{ display:flex; align-items:center; gap:.5rem; font-weight:800; font-size:1.05rem; flex:none; white-space:nowrap; }
.brand-mark{
  width:12px; height:12px; border-radius:50%; flex:none;
  background: radial-gradient(circle at 35% 35%, var(--accent), var(--primary));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 18%, transparent);
}
.main-nav{ display:flex; align-items:center; gap:1.4rem; flex:1; justify-content:space-between; min-width:0; }
.main-nav > ul{ display:flex; gap:1.1rem; flex-wrap:nowrap; }
.nav-link{
  font-weight:600; font-size:.88rem; color: var(--ink-soft); position:relative;
  padding:.3rem 0; white-space:nowrap;
}
.nav-link::after{
  content:""; position:absolute; bottom:-2px; inset-inline-start:0; width:0; height:2px;
  background: var(--accent); transition: width .25s ease;
}
.nav-link:hover::after{ width:100%; }
.nav-link:hover{ color: var(--primary); }
.nav-tools{ display:flex; align-items:center; gap:.6rem; flex:none; }

.tool-group{ position:relative; display:flex; gap:.4rem; }
.tool-btn{
  width:36px; height:36px; border-radius:50%; border:1px solid var(--line);
  background: var(--surface); cursor:pointer; display:flex; align-items:center; justify-content:center;
  font-weight:800; color:var(--primary); font-size:.78rem; flex:none;
}
.lang-btn .tool-icon{ font-size:.72rem; letter-spacing:.02em; }
.palette-icon::before{ content:"\25D1"; font-size:1rem; }
.lang-list{ display:flex; flex-direction:column; gap:.35rem; min-width:140px; }
.lang-list .lang-pill{
  font-size:.85rem; font-weight:700; padding:.5rem .7rem; border-radius:10px;
  color: var(--ink-soft); border:1px solid var(--line); text-align: start;
}
.lang-list .lang-pill.active{ background: var(--primary); color:#fff; border-color: var(--primary); }
.tool-popover{
  position:absolute; top:46px; inset-inline-end:0; background:var(--surface); border:1px solid var(--line);
  border-radius: var(--radius-md); box-shadow: var(--shadow); padding:.9rem; min-width:200px;
  display:none; z-index:80;
}
.tool-popover.open{ display:block; }
.tool-popover-title{ font-size:.78rem; font-weight:700; color:var(--ink-soft); margin-bottom:.6rem; }
.swatch-row{ display:flex; gap:.5rem; flex-wrap:wrap; max-width:180px; }
.swatch{ width:30px; height:30px; border-radius:50%; border:2px solid var(--line); cursor:pointer; }
.swatch-thermal{ background: linear-gradient(135deg,#1F5C57,#C08A3E); }
.swatch-amber{ background: linear-gradient(135deg,#B5651D,#1F5C57); }
.swatch-midnight{ background: linear-gradient(135deg,#0F2422,#4FBFAE); }
.swatch-sand{ background: linear-gradient(135deg,#6B5A3E,#2E6F6A); }
.swatch-emerald{ background: linear-gradient(135deg,#1E6B4F,#C9A227); }
.swatch-rose{ background: linear-gradient(135deg,#A24E63,#3F6B66); }
.swatch-royal{ background: linear-gradient(135deg,#24296B,#C9A227); }
.font-row{ display:flex; gap:.4rem; }
.font-opt{
  flex:1; padding:.4rem .3rem; border-radius:8px; border:1px solid var(--line);
  background:var(--surface-2); cursor:pointer; font-family:var(--font-body); font-weight:600; font-size:.8rem;
}
.font-opt.active{ background:var(--primary); color:#fff; border-color:var(--primary); }

.hamburger{
  display:none; width:42px; height:42px; border-radius:12px; border:1px solid var(--line);
  background:var(--surface); flex-direction:column; align-items:center; justify-content:center; gap:5px; cursor:pointer;
}
.hamburger span{ width:20px; height:2px; background:var(--ink); border-radius:2px; transition:.25s; }
.hamburger[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.hamburger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ================= هیرو تمام‌صفحه: چشمه آب‌گرم شبانه (امضای گرافیکی) ================= */
.hero{
  position:relative; overflow:hidden; min-height:100svh; min-height:100vh;
  display:flex; align-items:center; justify-content:center; text-align:center;
  background: radial-gradient(140% 110% at 50% -10%, var(--primary-dark), var(--ink) 60%);
  padding: 7rem 1.5rem 6rem;
}
html[data-theme="midnight"] .hero{ background: radial-gradient(140% 110% at 50% -10%, #081716, #04100f 60%); }

/* لایه‌های نور متحرک (aurora) - عمق و تجمل بصری بدون هیچ تصویر خارجی */
.hero-aurora{ position:absolute; inset:-10%; z-index:0; filter: blur(35px); opacity:.95; transition: transform .3s ease-out; }
.blob{ position:absolute; border-radius:50%; mix-blend-mode: screen; }
.b1{ width:46vw; height:46vw; max-width:640px; max-height:640px; top:-12%; inset-inline-start:-8%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 92%, white 4%), color-mix(in srgb, var(--accent) 25%, transparent) 55%, transparent 75%);
  animation: driftA 22s ease-in-out infinite; }
.b2{ width:38vw; height:38vw; max-width:560px; max-height:560px; bottom:-14%; inset-inline-end:-6%;
  background: radial-gradient(circle, color-mix(in srgb, var(--primary) 95%, white 15%), color-mix(in srgb, var(--primary) 35%, transparent) 55%, transparent 75%);
  animation: driftB 26s ease-in-out infinite; }
.b3{ width:30vw; height:30vw; max-width:420px; max-height:420px; top:20%; inset-inline-end:18%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 70%, var(--primary) 20%), color-mix(in srgb, var(--primary) 30%, transparent) 55%, transparent 75%);
  animation: driftC 19s ease-in-out infinite; }
@keyframes driftA{ 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(6%, 8%) scale(1.12); } }
@keyframes driftB{ 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(-8%, -6%) scale(1.08); } }
@keyframes driftC{ 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(-5%, 7%) scale(1.15); } }

.hero-ripples{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; z-index:1; }
.ripple{
  position:absolute; border-radius:50%; border:1.5px solid color-mix(in srgb, var(--accent) 45%, transparent);
  animation: rippleOut 7s ease-out infinite;
}
.r1{ width:220px; height:220px; }
.r2{ width:220px; height:220px; animation-delay: 2.3s; }
.r3{ width:220px; height:220px; animation-delay: 4.6s; }
@keyframes rippleOut{
  0%{ width:120px; height:120px; opacity:.8; border-color: color-mix(in srgb, var(--accent) 70%, transparent); }
  100%{ width:960px; height:960px; opacity:0; border-color: color-mix(in srgb, var(--accent) 5%, transparent); }
}

/* بخارِ برخاسته از آب‌گرم - چند نقطه محو که به‌آرامی بالا می‌روند */
.hero-steam{ position:absolute; inset:0; z-index:1; pointer-events:none; }
.hero-steam span{
  position:absolute; bottom:-10%; width:120px; height:220px; border-radius:50%;
  background: radial-gradient(closest-side, rgba(255,255,255,.16), transparent 75%);
  filter: blur(6px); animation: steamRise 12s ease-in infinite;
}
.hero-steam span:nth-child(1){ inset-inline-start:12%; animation-delay:0s; }
.hero-steam span:nth-child(2){ inset-inline-start:28%; animation-delay:2.4s; width:90px; }
.hero-steam span:nth-child(3){ inset-inline-start:50%; animation-delay:4.8s; }
.hero-steam span:nth-child(4){ inset-inline-start:68%; animation-delay:7.2s; width:100px; }
.hero-steam span:nth-child(5){ inset-inline-start:85%; animation-delay:9.6s; }
@keyframes steamRise{
  0%{ transform: translateY(0) scale(1); opacity:0; }
  15%{ opacity:.6; }
  100%{ transform: translateY(-120vh) scale(1.6); opacity:0; }
}

/* دانه‌نمای ظریف (film grain) برای حس لاکچری/سینمایی */
.hero-grain{
  position:absolute; inset:0; z-index:2; opacity:.05; mix-blend-mode:overlay; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (prefers-reduced-motion: reduce){
  .ripple, .blob, .hero-steam span{ animation: none !important; }
  .ripple{ opacity:.15; width:400px !important; height:400px !important; }
  .hero-content > *{ animation: none !important; opacity:1 !important; transform:none !important; }
}

.hero-content{ position:relative; z-index:3; max-width:760px; }
.hero-content > *{ opacity:0; animation: heroFadeUp .8s ease forwards; }
.hero-content > *:nth-child(1){ animation-delay:.05s; }
.hero-content > *:nth-child(2){ animation-delay:.2s; }
.hero-content > *:nth-child(3){ animation-delay:.35s; }
.hero-content > *:nth-child(4){ animation-delay:.5s; }
.hero-content > *:nth-child(5){ animation-delay:.65s; }
@keyframes heroFadeUp{ from{ opacity:0; transform: translateY(18px); } to{ opacity:1; transform: translateY(0); } }
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:.5em; color:#fff; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase; font-size:.74rem;
  background: rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.32);
  padding:.5rem 1.15rem; border-radius:999px; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  text-shadow: 0 1px 6px rgba(0,0,0,.35); box-shadow: 0 8px 24px -12px rgba(0,0,0,.4);
}
.hero h1{ font-size: clamp(2.3rem, 5.5vw, 4rem); font-weight:900; margin:.3em 0; color:#fff; text-shadow: 0 8px 40px rgba(0,0,0,.35); }
.hero-tagline{ font-size:1.3rem; color:#fff; font-weight:600; }
.hero-subtagline{ color: rgba(255,255,255,.78); margin-bottom:2rem; }
.hero-wave{ position:absolute; bottom:-2px; left:0; width:100%; height:80px; z-index:3; }
.hero-wave path{ fill: var(--bg); }

/* ================= درباره ما ================= */
.about-section{ background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.about-grid{ display:grid; grid-template-columns: .9fr 1.1fr; gap: 3rem; align-items:center; }
.about-media img{ border-radius: var(--radius-lg); box-shadow: var(--shadow); }

/* ================= کارت‌های اتاق ================= */
.card-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap:1.6rem; margin-top:2.5rem; }
.card{ background: var(--surface); border-radius: var(--radius-md); overflow:hidden; box-shadow: var(--shadow); transition: transform .25s ease; }
.card:hover{ transform: translateY(-6px); box-shadow: 0 24px 50px -20px color-mix(in srgb, var(--accent) 45%, transparent); }
.card-media{ aspect-ratio: 4/3; overflow:hidden; }
.card-media img{ width:100%; height:100%; object-fit:cover; }
.card-body{ padding:1.2rem 1.3rem 1.5rem; }
.card-price{ margin-top:.6rem; font-weight:800; color: var(--primary); font-size:1.05rem; }

/* ================= امکانات ================= */
.facility-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap:1.6rem; margin-top:2.5rem; }
.facility-card{ display:flex; gap:1rem; background:var(--surface); border-radius: var(--radius-md); padding:1rem; box-shadow: var(--shadow); }
.facility-media{ width:110px; height:110px; flex:none; border-radius: var(--radius-sm); overflow:hidden; }
.facility-media img{ width:100%; height:100%; object-fit:cover; }

/* ================= گالری ================= */
.gallery-tabs{ display:flex; justify-content:center; gap:.6rem; margin: 1.5rem 0 2.2rem; }
.gallery-tab{
  padding:.6rem 1.4rem; border-radius:999px; border:1px solid var(--line); background:var(--surface);
  font-weight:700; cursor:pointer; color:var(--ink-soft);
}
.gallery-tab.active{ background:var(--primary); color:#fff; border-color:var(--primary); }
.gallery-panel{ display:none; }
.gallery-panel.active{ display:block; }
.gallery-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(190px,1fr)); gap:.9rem; }
.gallery-img{ width:100%; aspect-ratio:1/1; object-fit:cover; border-radius: var(--radius-sm); cursor:pointer; transition: transform .2s ease; }
.gallery-img:hover{ transform: scale(1.03); }
.video-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap:1.4rem; }
.video-item video{ width:100%; border-radius: var(--radius-md); box-shadow: var(--shadow); background:#000; }
.video-caption{ margin-top:.6rem; font-size:.9rem; }

.lightbox{
  display:none; position:fixed; inset:0; background: rgba(10,20,19,.92); z-index:200;
  align-items:center; justify-content:center;
}
.lightbox.open{ display:flex; }
.lightbox img{ max-width:88vw; max-height:82vh; border-radius: var(--radius-sm); }
.lightbox-close{ position:absolute; top:1.2rem; inset-inline-end:1.5rem; color:#fff; font-size:2rem; cursor:pointer; }
.lightbox-nav{
  position:absolute; top:50%; transform:translateY(-50%); background:rgba(255,255,255,.12); color:#fff;
  border:none; width:48px; height:48px; border-radius:50%; font-size:1.3rem; cursor:pointer;
}
.lightbox-nav.prev{ inset-inline-start:1.5rem; }
.lightbox-nav.next{ inset-inline-end:1.5rem; }

/* ================= نظرات ================= */
.reviews-section{ text-align:center; }
.reviews-slider{ position:relative; max-width:720px; margin:0 auto; min-height:150px; }
.review-slide{ display:none; }
.review-slide.active{ display:block; animation: fadeIn .5s ease; }
@keyframes fadeIn{ from{opacity:0; transform:translateY(8px);} to{opacity:1; transform:translateY(0);} }
.review-text{ font-size:1.2rem; font-weight:600; color:var(--ink); }
.review-author{ color: var(--accent-deep); font-weight:700; }
.slider-dots{ display:flex; justify-content:center; gap:.5rem; margin-top:1.5rem; }
.slider-dots span{ width:8px; height:8px; border-radius:50%; background: var(--line); cursor:pointer; }
.slider-dots span.active{ background: var(--primary); }

/* ================= چرا ما را انتخاب کنید (Highlights - عمومی، مستقل از شهر) ================= */
.highlights-box{
  margin-top: 3rem; padding-top: 2.5rem; border-top: 1px solid var(--line);
}
.highlights-box h3{ text-align:center; margin-bottom:1.4rem; }
.highlights-list{
  display:grid; grid-template-columns: repeat(auto-fit, minmax(230px,1fr)); gap:1rem;
  max-width: 980px; margin: 0 auto;
}
.highlights-list li{
  display:flex; align-items:flex-start; gap:.6rem; background: var(--surface-2);
  border-radius: var(--radius-sm); padding: .9rem 1rem; font-weight:600; color:var(--ink);
}
.highlight-check{
  flex:none; width:22px; height:22px; border-radius:50%; background: var(--primary); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:.7rem;
}

/* ================= سوالات متداول (FAQ) ================= */
.faq-list{ max-width: 820px; margin: 2rem auto 0; display:flex; flex-direction:column; gap:.8rem; }
.faq-item{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius-md); overflow:hidden; }
.faq-question{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding: 1.1rem 1.3rem; background:none; border:none; text-align:start; cursor:pointer;
  font-family: var(--font-body); font-weight:700; font-size:1rem; color: var(--ink);
}
.faq-icon{
  flex:none; width:26px; height:26px; border-radius:50%; background: var(--surface-2); color: var(--primary);
  display:flex; align-items:center; justify-content:center; font-weight:800; transition: transform .25s ease;
}
.faq-item.open .faq-icon{ transform: rotate(45deg); }
.faq-answer{ max-height:0; overflow:hidden; transition: max-height .3s ease; }
.faq-answer p{ padding: 0 1.3rem 1.2rem; margin:0; }
.faq-item.open .faq-answer{ max-height: 400px; }

/* اعداد/متن‌های لاتین داخل محتوای راست‌به‌چپ (تلفن/ایمیل) باید همیشه چپ‌به‌راست نمایش داده شوند */
.ltr-inline{ unicode-bidi: isolate; direction: ltr; display:inline-block; }

/* ================= تماس ================= */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:2.5rem; margin-top:2rem; align-items:start; }
.contact-info p{ font-size:1.02rem; }
.contact-label{ font-weight:700; color:var(--ink); }
.contact-map iframe{ border-radius: var(--radius-md); box-shadow: var(--shadow); }

/* ================= فوتر ================= */
.site-footer{ background: var(--primary-dark); color:#fff; text-align:center; padding: 3.5rem 1.5rem 2.5rem; }
.site-footer p{ color: rgba(255,255,255,.8); }
.social-links{ display:flex; justify-content:center; gap:.9rem; margin: 1.2rem 0 1.6rem; }
.social-icon{
  width:42px; height:42px; border-radius:50%; background: rgba(255,255,255,.12);
  display:flex; align-items:center; justify-content:center; color:#fff; transition: background .2s ease, transform .2s ease;
}
.social-icon:hover{ background: var(--accent); color:#241505; transform: translateY(-3px); }
.social-icon svg{ width:20px; height:20px; }
.footer-copy{ font-size:.85rem; margin-bottom:.2rem; }
.footer-credit{ font-size:.78rem; color: rgba(255,255,255,.55); }

.scroll-to-top{
  position:fixed; bottom:1.8rem; inset-inline-end:1.8rem; z-index:70;
  width:46px; height:46px; border-radius:50%; border:none; background: var(--primary); color:#fff;
  font-size:1.2rem; cursor:pointer; box-shadow: var(--shadow); opacity:0; pointer-events:none; transition:.25s;
}
.scroll-to-top.visible{ opacity:1; pointer-events:auto; }

/* =========================================================================
   موبایل
   ========================================================================= */
/* html.nav-open جلوی اسکرول پس‌زمینه را می‌گیرد؛ اگر عرض صفحه از حالت موبایل خارج شود
   (چرخش گوشی یا بزرگ‌کردن پنجره)، جاوااسکریپت این کلاس را حذف می‌کند تا اسکرول برگردد */
html.nav-open{ overflow:hidden; height:100%; }
html.nav-open body{ overflow:hidden; height:100%; }

@media (max-width: 900px){
  .hamburger{ display:flex; }
  .main-nav{
    position: fixed; inset: 0; height:100dvh; height:100vh; background: var(--surface); z-index:90;
    display:flex; flex-direction:column; justify-content:flex-start; align-items:stretch;
    padding: 5.5rem 1.6rem 2rem; transform: translateY(-100%); transition: transform .3s ease;
    overflow-y:auto; -webkit-overflow-scrolling:touch;
  }
  .main-nav.open{ transform: translateY(0); }
  .main-nav > ul{ flex-direction:column; gap:0; width:100%; }
  .main-nav > ul li{ border-bottom:1px solid var(--line); }
  .nav-link{ display:block; padding:1.15rem .2rem; font-size:1.1rem; }
  .nav-tools{ flex-direction:column; align-items:stretch; gap:0; margin-top:1.5rem; width:100%; }
  .tool-group{ flex-direction:column; align-items:stretch; gap:0; }
  .tool-group .tool-btn{
    width:100%; height:auto; border-radius:12px; flex-direction:row; justify-content:flex-start;
    gap:.6rem; padding:.9rem 1rem; margin-bottom:.6rem;
  }
  .tool-group .tool-btn::after{ content: attr(title); font-weight:700; font-size:.92rem; }
  .tool-popover{ position:static; box-shadow:none; border:none; padding:.2rem 0 1rem; min-width:0; }
  .lang-list{ flex-direction:row; flex-wrap:wrap; }

  .about-grid, .contact-grid{ grid-template-columns: 1fr; }
  .section{ padding: 3.5rem 1.2rem; }
}

@media (max-width: 480px){
  .facility-card{ flex-direction:column; }
  .facility-media{ width:100%; height:170px; }
}

/* ================= ظاهرشدن هنگام اسکرول ================= */
.reveal-init{ opacity:0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal-visible{ opacity:1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce){
  .reveal-init{ opacity:1; transform:none; transition:none; }
}