/* ==========================================================================
   بیرجند کولاک — استایل‌شیت اصلی
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. متغیرها و تنظیمات پایه (Design Tokens)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: "IRANSansLocal";
  src: url("../fonts/IRANSans/IRANSansWeb(FaNum).woff") format("woff"),
       url("../fonts/IRANSans/IRANSansWeb.ttf") format("truetype");
  /* Only the regular local file is available. Declaring it as 400 lets the
     browser synthesize the requested 600/700/900 weights correctly. */
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --b: #0744ff;
  --b2: #5b83ff;
  --bg: #fff;
  --bg2: #f4f6fb;
  --tx: #0a0f1e;
  --mu: #5d6478;
  --ln: #e3e7f1;
  --card: #fff;
  --glass: rgba(255, 255, 255, .72);
  --ok: #12b76a;

  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* حالت تیره بر اساس تنظیمات سیستم */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #05070f;
    --bg2: #0a0e1c;
    --tx: #f3f5fb;
    --mu: #98a1b8;
    --ln: #1b2240;
    --card: #0d1226;
    --glass: rgba(13, 18, 38, .72);
  }
}

/* حالت تیره اجباری از طریق data-attribute */
:root[data-theme="dark"] {
  --bg: #05070f;
  --bg2: #0a0e1c;
  --tx: #f3f5fb;
  --mu: #98a1b8;
  --ln: #1b2240;
  --card: #0d1226;
  --glass: rgba(13, 18, 38, .72);
}

/* --------------------------------------------------------------------------
   2. ریست و پایه‌ی سراسری
   -------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(90px + env(safe-area-inset-top, 0px));
}

body {
  background: var(--bg);
  color: var(--tx);
  font-family: "IRANSansLocal", Tahoma, sans-serif;
  font-synthesis: weight;
  line-height: 1.8;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.w {
  max-width: 1200px;
  margin: auto;
  padding: 0 22px;
}

/* --------------------------------------------------------------------------
   3. اجزای عمومی (دکمه‌ها، تگ‌ها، ورودی‌ها)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--b);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 12px 26px;
  font: 600 15px "IRANSansLocal", Tahoma;
  cursor: pointer;
  transition: .25s;
  box-shadow: 0 8px 28px -8px var(--b);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px -8px var(--b);
}

.btn.g {
  background: transparent;
  color: var(--tx);
  border: 1px solid var(--ln);
  box-shadow: none;
}

.tag {
  display: inline-block;
  padding: 5px 16px;
  border: 1px solid var(--ln);
  border-radius: 99px;
  font-size: 13px;
  color: var(--mu);
  background: var(--glass);
}

input {
  width: 100%;
  padding: 15px 18px;
  border-radius: 16px;
  border: 1px solid var(--ln);
  background: var(--card);
  color: var(--tx);
  font: 400 16px "IRANSansLocal", Tahoma;
  margin-bottom: 12px;
  direction: ltr;
  text-align: center;
}

input:focus {
  outline: 2px solid var(--b);
}

.back {
  background: none;
  border: 0;
  color: var(--mu);
  cursor: pointer;
  font: 400 13px "IRANSansLocal", Tahoma;
  margin-top: 12px;
}

/* --------------------------------------------------------------------------
   4. نوار بالای صفحه (Topbar)
   -------------------------------------------------------------------------- */
.top {
  background: #020617;
  color: #cbd5ff;
  font-size: 13px;
}

.top .w {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding-top: 7px;
  padding-bottom: 7px;
  flex-wrap: wrap;
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.live i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 var(--ok);
  animation: p 2s infinite;
}

@keyframes p {
  70% {
    box-shadow: 0 0 0 8px transparent;
  }
}

/* --------------------------------------------------------------------------
   5. ناوبری (Navbar)
   -------------------------------------------------------------------------- */
nav {
  position: fixed;
  top: 15px;
  margin: 0 auto;
  left: 0;
  right: 0;
  z-index: 50;
  padding-top: env(safe-area-inset-top, 0px);
}

nav .w {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 35px 26px;
  background: var(--glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--ln);
  border-radius: 999px;
  box-shadow: 0 12px 34px -14px rgba(7, 68, 255, .35);
  transition: box-shadow .25s, transform .25s;
}

nav .w:hover {
  box-shadow: 0 16px 40px -12px rgba(7, 68, 255, .45);
}

.logo {
  font-weight: 900;
  font-size: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo b {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--b), #00c2ff);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 18px;
}

.menu {
  
  display: flex;
  gap: 26px;
  font-size: 15px;
  color: var(--mu);
}

.menu > *:hover {
  color: var(--tx);
}

.mega {
  position: relative;
}

.mega > div {
  position: absolute;
  top: 100%;
  right: -20px;
  width: 420px;
  background: var(--card);
  border: 1px solid var(--ln);
  border-radius: 20px;
  padding: 20px;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  box-shadow: 0 30px 60px -20px rgba(7, 68, 255, .35);
}

.mega:hover > div {
  display: grid;
}

.mega h6 {
  color: var(--b);
  font-size: 13px;
}

.mega p {
  font-size: 14px;
  color: var(--mu);
}

/* --------------------------------------------------------------------------
   6. بخش قهرمان (Hero) و فرم رزرو
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: 70px 0 90px;
  background:
    radial-gradient(60% 60% at 80% 0, rgba(7, 68, 255, .35), transparent),
    radial-gradient(45% 50% at 5% 90%, rgba(0, 194, 255, .22), transparent),
    var(--bg);
   padding-top: calc(70px + 30px);
}

.hero .w {
  display: grid;
  margin-top: 50px;
  grid-template-columns: 1.1fr .9fr;
  gap: 50px;
  align-items: center;
}

h1 {
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -1px;
  margin: 18px 0;
}

h1 span {
  background: linear-gradient(100deg, var(--b), #00c2ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  color: var(--mu);
  font-size: 18px;
  max-width: 520px;
}

.trust {
  display: flex;
  gap: 22px;
  margin-top: 34px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--mu);
}

.trust b {
  color: var(--tx);
  display: block;
  font-size: 15px;
}

/* کارت شیشه‌ای فرم رزرو */
.fc {
  background: var(--glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--ln);
  border-radius: 28px;
  padding: 26px;
  box-shadow: 0 40px 80px -30px rgba(7, 68, 255, .45);
}

.tabs {
  display: flex;
  background: var(--bg2);
  border-radius: 99px;
  padding: 5px;
  margin-bottom: 20px;
}

.tabs button {
  flex: 1;
  border: 0;
  background: none;
  color: var(--mu);
  padding: 10px;
  border-radius: 99px;
  font: 600 14px "IRANSansLocal", Tahoma;
  cursor: pointer;
  transition: .25s;
}

.tabs button.on {
  background: var(--b);
  color: #fff;
}

.steps {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.steps i {
  flex: 1;
  height: 4px;
  border-radius: 9px;
  background: var(--ln);
  transition: .4s;
}

.steps i.on {
  background: var(--b);
}

.fc h4 {
  font-size: 17px;
  margin-bottom: 12px;
}

.opts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.opts button {
  padding: 14px 10px;
  border: 1px solid var(--ln);
  background: var(--card);
  color: var(--tx);
  border-radius: 16px;
  font: 400 14px "IRANSansLocal", Tahoma;
  cursor: pointer;
  transition: .2s;
}

.opts button:hover {
  border-color: var(--b);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   7. بخش‌های عمومی صفحه (Sections)
   -------------------------------------------------------------------------- */
section {
  padding: 96px 0;
}

.alt {
  background: var(--bg2);
}

.hd {
  max-width: 640px;
  margin-bottom: 46px;
}

.hd small {
  color: var(--b);
  font-weight: 600;
}

.hd h2 {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.35;
  font-weight: 900;
}

.hd p {
  color: var(--mu);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}

.c {
  background: var(--card);
  border: 1px solid var(--ln);
  border-radius: 24px;
  padding: 26px;
  transition: .3s;
}

.c:hover {
  transform: translateY(-6px);
  border-color: var(--b);
  box-shadow: 0 24px 50px -24px var(--b);
}

.ic {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(7, 68, 255, .12);
  display: grid;
  place-items: center;
  font-size: 26px;
  margin-bottom: 16px;
}

.ic i {
  color: var(--b);
  font-size: 27px;
  font-style: normal;
}

.ic img {
  width: 29px;
  height: 29px;
  object-fit: contain;
}

.c h3 {
  font-size: 18px;
}

.c p {
  color: var(--mu);
  font-size: 14px;
}

/* --------------------------------------------------------------------------
   8. بخش «نحوه‌ی کار»
   -------------------------------------------------------------------------- */
.how {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.how .c {
  position: relative;
  overflow: hidden;
}

.how em {
  position: absolute;
  left: 18px;
  top: -6px;
  font: 900 90px "IRANSansLocal", Tahoma;
  color: var(--b);
  opacity: .1;
  font-style: normal;
}


/* --------------------------------------------------------------------------
   9. بخش برآورد قیمت (Estimate)
   -------------------------------------------------------------------------- */
.est {
  background: linear-gradient(135deg, var(--b), #0a1fa8 70%);
  color: #fff;
  border-radius: 36px;
  padding: 52px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.est select {
  width: 100%;
  padding: 15px;
  border-radius: 16px;
  border: 0;
  font: 400 15px "IRANSansLocal", Tahoma;
  margin: 10px 0;
  background: rgba(255, 255, 255, .14);
  color: #fff;
}

.est option {
  color: #000;
}

.est .r {
  background: rgba(255, 255, 255, .12);
  border-radius: 24px;
  padding: 26px;
  min-height: 150px;
  font-size: 15px;
}

.est .btn {
  background: #fff;
  color: var(--b);
  box-shadow: none;
}

/* --------------------------------------------------------------------------
   10. برندها و نقشه‌ی پوشش
   -------------------------------------------------------------------------- */
.brands {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.brands span {
  padding: 12px 26px;
  border: 1px solid var(--ln);
  border-radius: 99px;
  font-weight: 600;
  background: var(--card);
  color: var(--mu);
}

.map {
  background: var(--card);
  border: 1px solid var(--ln);
  border-radius: 28px;
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.pin {
  height: 240px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 50%, rgba(7, 68, 255, .45), transparent 60%),
    repeating-linear-gradient(0deg, var(--ln) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, var(--ln) 0 1px, transparent 1px 32px);
  display: grid;
  place-items: center;
  font-size: 44px;
}

.home-map-preview {
  height: 240px;
  overflow: hidden;
  border: 1px solid var(--ln);
  border-radius: 22px;
  background: var(--bg2);
}

.home-map-preview iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* --------------------------------------------------------------------------
   11. نظرات مشتریان (Reviews)
   -------------------------------------------------------------------------- */
.rv .c small {
  color: var(--ok);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   12. سؤالات متداول (FAQ)
   -------------------------------------------------------------------------- */
details {
  background: var(--card);
  border: 1px solid var(--ln);
  border-radius: 18px;
  padding: 18px 24px;
  margin-bottom: 10px;
}

summary {
  cursor: pointer;
  font-weight: 600;
}

details p {
  color: var(--mu);
  margin-top: 8px;
}

/* --------------------------------------------------------------------------
   13. فراخوان نهایی (CTA)
   -------------------------------------------------------------------------- */
.cta {
  text-align: center;
  padding: 110px 22px;
  background: radial-gradient(60% 100% at 50% 100%, rgba(7, 68, 255, .4), transparent);
}

.cta h2 {
  font-size: clamp(30px, 5vw, 60px);
  font-weight: 900;
  margin-bottom: 24px;
}

/* --------------------------------------------------------------------------
   14. فوتر (Footer)
   -------------------------------------------------------------------------- */
footer {
  background: #020617;
  color: #98a1b8;
  padding-top: 70px;
  font-size: 14px;
  position: relative;
  overflow: hidden;
}



.foot-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.f-brand p {
  margin-top: 14px;
  max-width: 280px;
  line-height: 1.9;
}

.f-brand i{
  color: white;
}

.f-social {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}

.f-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
  display: grid;
  place-items: center;
  font-size: 17px;
  transition: .25s;
}

.f-social a:hover {
  background: var(--b);
  transform: translateY(-3px);
}

footer h5 {
  color: #fff;
  margin-bottom: 18px;
  font-size: 15px;
}

footer .f-col a {
  display: block;
  margin-bottom: 12px;
  color: #98a1b8;
  transition: .2s;
}

footer .f-col a:hover {
  color: #fff;
  padding-right: 4px;
}

.f-contact a {
  display: flex;
  align-items: center;
  gap: 10px;
}

.f-contact i{
  font-size: 15px;
  color: white;
}

.f-ic {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: rgba(7, 68, 255, .18);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}


.foot-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}

.foot-links {
  display: flex;
  gap: 18px;
}

.foot-links a:hover {
  color: #fff;
}

.totop {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #98a1b8;
  transition: .2s;
}

.totop:hover {
  color: #fff;
}

/* --------------------------------------------------------------------------
   15. دکمه‌های شناور (Floating Action Buttons)
   -------------------------------------------------------------------------- */
.fab {
  display: none;
  position: fixed;
  left: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 60;
  gap: 10px;
}

.fab a {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--b);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 22px;
  box-shadow: 0 10px 30px -6px var(--b);
}

/* --------------------------------------------------------------------------
   16. انیمیشن ورود هنگام اسکرول (Scroll Reveal)
   -------------------------------------------------------------------------- */
.rv,
.sv {
  opacity: 0;
  transform: translateY(28px);
  transition: .8s;
}

.in {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------------
   17. ریسپانسیو (موبایل و تبلت)
   -------------------------------------------------------------------------- */
@media (max-width: 860px) {
  .menu,
  .nb {
    display: none;
  }

  .hero .w, .how, .est, .map {
  grid-template-columns: 1fr;
  }

  .est {
    padding: 30px;
  }

  .fab {
    display: flex;
  }

  section {
    padding: 64px 0;
  }
  .foot-top {
    grid-template-columns: 1fr 1fr;
  }

  .f-brand {
    grid-column: 1 / -1;
  }

  .foot-bottom {
    flex-direction: column;
    text-align: center;
  }
  nav {
    left: 14px;
    right: 14px;
  }

  nav .w {
    padding: 0 18px;
  }
}
@media (max-width: 520px) {
  .foot-top {
    grid-template-columns: 1fr;
  }

}


/* --------------------------------------------------------------------------
   کارت‌های خدمات (Service Cards)
   -------------------------------------------------------------------------- */
.card {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--ln);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 20px 40px -24px rgba(7, 68, 255, .35);
  transition: .25s ease-in-out;
}

.card:hover {
  cursor: pointer;
  transform: translateY(-6px);
  box-shadow: 0 28px 50px -20px rgba(7, 68, 255, .45);
}

.card .img {
  width: 100%;
  height: 150px;
  background:linear-gradient(rgba(0, 0, 0, 0.121),rgba(0, 0, 0, 0.345)),var(--img) ;   
  background-size: cover;
  background-position: top;   
  background-repeat: no-repeat;
  background-color: var(--b);     
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
}

.card .save {
  transition: .25s ease-in-out;
  margin: 18px;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background-color: var(--card);
  box-shadow: 0 8px 18px -6px rgba(0, 0, 0, .25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.card:hover .save {
  transform: scale(1.1) rotate(-8deg);
}

.card .text {
  margin: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card .text .h3 {
  font-family: "IRANSansLocal", Tahoma, sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--tx);
}

.card .text .p {
  font-family: "IRANSansLocal", Tahoma, sans-serif;
  color: var(--mu);
  font-size: 13px;
}

.card .icon-box {
  margin-top: 14px;
  width: fit-content;
  padding: 8px 14px;
  background-color: var(--bg2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}

.card .icon-box .cat-ic {
  font-size: 14px;
}

.card .icon-box .span {
  font-family: "IRANSansLocal", Tahoma, sans-serif;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--b);
}


/* --------------------------------------------------------------------------
   دکمه‌ی همبرگری و منوی موبایل
   -------------------------------------------------------------------------- */
.hb {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 0;
  background: none;
  cursor: pointer;
  padding: 0;
  font-size: 30px;
}



/* حالت ضربدر وقتی منو بازه */
.hb.on span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.hb.on span:nth-child(2) {
  opacity: 0;
}
.hb.on span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* پنل کشویی منو */
.mnav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--card);
  border-top: 0px solid var(--ln);  
  border-radius: 0 0 24px 24px;
  padding: 0 22px;                   
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease, border-top-width .35s ease;
}

.mnav.open {
  border-top-width: 1px;  
  padding: 14px 22px 22px;
  max-height: 400px;
}

.mnav a {
  padding: 12px 4px;
  border-bottom: 1px solid var(--ln);
  color: var(--tx);
  font-size: 15px;
  
}

.mnav .btn{
  color: white;
  display: inline;
  text-align: center;
}

.mnav a:last-child {
  border-bottom: 0;
  margin-top: 8px;
  text-align: center;
}

@media (max-width: 860px) {
  .hb {
    display: flex;
  }
  .mnav {
    display: flex;
  }
}