/* ===== Ranglar va asos ===== */
:root{
  --bg:#faf6f0;
  --ink:#1d1a16;
  --muted:#6d6459;
  --line:#e9e1d5;
  --accent:#1a4663;
  --accent-soft:#eef2f6;
  --card:#fffdf9;
  --topbar:rgba(250,246,240,.88);
  --shadow:rgba(29,26,22,.07);
  --maxw:760px;
  color-scheme:light;
}

/* ===== Tungi rejim ===== */
/* 1) Tizim sozlamasi tungi bo'lsa (foydalanuvchi kunduzgini tanlab olmagan bo'lsa) */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#15120e;
    --ink:#f0eae1;
    --muted:#a1978a;
    --line:#2e2820;
    --accent:#8ab8dd;
    --accent-soft:#1c2b38;
    --card:#1d1913;
    --topbar:rgba(21,18,14,.9);
    --shadow:rgba(0,0,0,.4);
    color-scheme:dark;
  }
}
/* 2) Foydalanuvchi tungi rejimni o'zi tanlagan bo'lsa */
:root[data-theme="dark"]{
  --bg:#15120e;
  --ink:#f0eae1;
  --muted:#a1978a;
  --line:#2e2820;
  --accent:#8ab8dd;
  --accent-soft:#1c2b38;
  --card:#1d1913;
  --topbar:rgba(21,18,14,.9);
  --shadow:rgba(0,0,0,.4);
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;
  font-size:17px;
}
img{max-width:100%}
a{color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:208px 20px 64px}

/* ===== Yuqori panel ===== */
.topbar{
  position:sticky;top:0;z-index:10;
  background:var(--topbar);
  backdrop-filter:saturate(180%) blur(10px);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.bar{
  position:relative;
  max-width:var(--maxw);margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:center;
}

/* Kunduzgi / tungi rejim tugmasi */
.theme-toggle{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;padding:0;
  background:transparent;color:var(--muted);
  border:1px solid var(--line);border-radius:9px;
  cursor:pointer;
  transition:color .15s ease, border-color .15s ease, background .15s ease;
}
.theme-toggle:hover{color:var(--accent);border-color:var(--accent);background:var(--card)}
.theme-toggle svg{width:17px;height:17px;display:block}

.theme-toggle .i-sun{display:none}
.theme-toggle .i-moon{display:block}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .theme-toggle .i-sun{display:block}
  :root:not([data-theme="light"]) .theme-toggle .i-moon{display:none}
}
:root[data-theme="dark"] .theme-toggle .i-sun{display:block}
:root[data-theme="dark"] .theme-toggle .i-moon{display:none}
:root[data-theme="light"] .theme-toggle .i-sun{display:none}
:root[data-theme="light"] .theme-toggle .i-moon{display:block}
.topbar nav{display:flex;gap:28px}
.topbar nav a{
  text-decoration:none;font-size:14px;font-weight:550;color:var(--muted);
  padding:4px 0;border-bottom:1.5px solid transparent;transition:color .15s,border-color .15s;
}
.topbar nav a:hover{color:var(--accent);border-color:var(--accent)}

/* ===== HERO ===== */
.hero{
  position:relative;
  padding:56px 20px 0;
  color:#fff;
  background-image:
    radial-gradient(120% 90% at 50% 0%, rgba(90,150,200,.22), rgba(90,150,200,0) 60%),
    linear-gradient(160deg,#143752 0%,#1a4663 45%,#0d2334 100%);
}
/* Tungi rejimda hero fon rangi ham chuqurroq bo'ladi */
:root[data-theme="dark"] .hero{
  background-image:
    radial-gradient(120% 90% at 50% 0%, rgba(90,150,200,.14), rgba(90,150,200,0) 60%),
    linear-gradient(160deg,#0e2434 0%,#123246 45%,#07141d 100%);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .hero{
    background-image:
      radial-gradient(120% 90% at 50% 0%, rgba(90,150,200,.14), rgba(90,150,200,0) 60%),
      linear-gradient(160deg,#0e2434 0%,#123246 45%,#07141d 100%);
  }
}

.hero-inner{max-width:var(--maxw);width:100%;margin:0 auto}
.hero-brand{
  display:flex;align-items:center;gap:12px;
  margin-bottom:16px;
}
.hero-brand-logo{
  display:inline-flex;flex:none;
  background:#fff;
  border-radius:13px;
  padding:12px 18px;
  box-shadow:0 8px 20px rgba(0,0,0,.22);
}
.hero-brand-logo img{display:block;width:172px;height:auto}
.hero-brand .kicker{margin-bottom:0}

/* Sarlavha + aloqa ikonlari qatori */
.hero-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
}
.hero-main{max-width:34em}

.hero h1 i{
  font-family:Georgia,"Times New Roman",serif;
  font-style:italic;font-weight:500;
  letter-spacing:-.01em;
}

.cta{
  display:inline-flex;align-items:center;gap:14px;
  margin-top:30px;padding:9px 9px 9px 24px;
  background:#fff;color:#12314a;
  border-radius:999px;
  text-decoration:none;font-weight:600;font-size:16.5px;
  transition:transform .15s ease, box-shadow .15s ease;
}
.cta:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.25)}
.cta-arrow{
  display:flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  background:#12314a;color:#fff;
}
.cta-arrow svg{width:16px;height:16px}

.hero-side{
  display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  padding-bottom:6px;flex:none;
}
.hero-side-label{
  font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.6);font-weight:600;
}
.hero-icons{display:flex;gap:10px}
.hero-icons a{
  display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);
  color:#fff;
  transition:background .15s ease, border-color .15s ease;
}
.hero-icons a:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6)}
.hero-icons svg{width:17px;height:17px}

/* Keng surat — keyingi bo'limga chiqib turadi */
.hero-photo{
  /* rasm rangli blok chegarasidan pastga chiqib turadi */
  position:relative;z-index:2;top:104px;
  margin:22px 0 -104px;
  border-radius:18px;overflow:hidden;
  box-shadow:0 22px 50px rgba(0,0,0,.3);
}

/* Loyihalar karuseli — hero rasm o'rnida barcha loyihalar aylanib turadi */
.hc-track{
  display:flex;
  transition:transform .7s cubic-bezier(.65,0,.35,1);
}
.hc-slide{
  position:relative;flex:0 0 100%;width:100%;
}
.hc-slide img{
  display:block;width:100%;
  aspect-ratio:16/7;object-fit:cover;object-position:center 40%;
}
.hc-slide figcaption{
  position:absolute;left:14px;bottom:14px;
  padding:8px 14px;border-radius:999px;
  background:rgba(10,22,33,.72);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  font-size:12.5px;color:rgba(255,255,255,.9);
}
.hc-dots{
  position:absolute;right:14px;bottom:14px;z-index:3;
  display:flex;gap:6px;
}
.hc-dot{
  width:7px;height:7px;padding:0;border:none;border-radius:50%;
  background:rgba(255,255,255,.45);cursor:pointer;
  transition:background .15s ease, width .15s ease;
}
.hc-dot:hover{background:rgba(255,255,255,.7)}
.hc-dot.active{width:18px;border-radius:4px;background:#fff}
.hero h1{
  font-size:52px;line-height:1.06;font-weight:660;letter-spacing:-.028em;
  margin-bottom:20px;
}
.hero .lead{
  font-size:18.5px;color:rgba(255,255,255,.8);max-width:31em;
}
.kicker{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:16px;
}
.kicker.light{color:rgba(255,255,255,.72)}

/* ===== Umumiy bloklar ===== */
.block{padding:44px 0}
h2{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);font-weight:600;margin-bottom:16px;
}
p + p{margin-top:12px}

.divider{height:1px;background:var(--line);scroll-margin-top:76px}
.section-label{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:600;padding-top:44px;
}

.facts{display:flex;gap:36px;flex-wrap:wrap;margin-top:28px}
.facts div strong{display:block;font-size:26px;font-weight:650;letter-spacing:-.01em}
.facts div span{font-size:14px;color:var(--muted)}

/* ===== Xizmat bo'limlari ===== */
.service{
  display:grid;grid-template-columns:120px 1fr;gap:24px;
  padding:36px 0;
  border-bottom:1px solid var(--line);
}
.service:last-of-type{border-bottom:0}
.s-side{display:flex;flex-direction:column;gap:8px;padding-top:4px}
.s-num{
  font-size:26px;font-weight:660;color:var(--accent);
  letter-spacing:-.02em;line-height:1;
}
.s-tag{
  font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:600;
}
.s-body h3{font-size:23px;font-weight:650;letter-spacing:-.015em;margin-bottom:10px}
.s-body p{color:var(--ink)}
.s-list{list-style:none;margin-top:16px;display:grid;gap:8px}
.s-list li{
  position:relative;padding-left:24px;
  font-size:15.5px;color:var(--muted);
}
.s-list li::before{
  content:"";position:absolute;left:4px;top:11px;
  width:7px;height:7px;border-radius:2px;background:var(--accent);opacity:.55;
}

/* ===== Loyihalar ===== */
.projects{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.p-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  transition:transform .18s ease, box-shadow .18s ease;
}
.p-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px var(--shadow)}
.p-img{
  aspect-ratio:16/10;
  background:
    var(--img, none),
    linear-gradient(135deg,#e8eef3,#dbe4ec 60%,#cfd9e3);
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.p-text{padding:16px 18px 18px}
.p-meta{
  display:block;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:6px;
}
.p-text h3{font-size:17px;font-weight:650;margin-bottom:5px;letter-spacing:-.01em}
.p-text p{font-size:15px;color:var(--muted);line-height:1.55}

/* Loyiha texnik ko'rsatkichlari */
.p-text p b{font-weight:650;color:var(--ink)}
.p-specs-title{
  margin-top:16px;padding-top:12px;
  border-top:1px solid var(--line);
  font-size:11.5px !important;letter-spacing:.12em;text-transform:uppercase;
  font-weight:600;color:var(--accent) !important;
}
.p-specs{
  margin-top:8px;
  display:grid;gap:6px;
}
.p-specs > div{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  font-size:13.5px;line-height:1.4;
}
.p-specs dt{color:var(--muted)}
.p-specs dd{font-weight:600;color:var(--ink);white-space:nowrap}

/* ===== Tugmalar ===== */
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  text-decoration:none;font-weight:550;font-size:16px;
  padding:13px 22px;border-radius:10px;
  border:1px solid var(--line);
  transition:transform .15s ease, opacity .15s ease;
}
.btn:hover{transform:translateY(-1px);opacity:.92}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
:root[data-theme="dark"] .btn.primary{color:#10222f}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .btn.primary{color:#10222f}
}
.btn.ghost{background:var(--card);color:var(--ink)}
.btn.light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.32)}
.btn svg{width:18px;height:18px;flex:none}

footer{
  padding-top:32px;border-top:1px solid var(--line);
  font-size:14px;color:var(--muted);
}

/* ===== Mijozlar fikri ===== */
.reviews{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.r-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  padding:20px 20px 18px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .18s ease, box-shadow .18s ease;
}
.r-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px var(--shadow)}
.r-card blockquote{
  font-size:15.5px;line-height:1.6;color:var(--ink);
}
.r-card figcaption{
  margin-top:auto;padding-top:14px;
  border-top:1px solid var(--line);
}
.r-name{display:block;font-size:14.5px;font-weight:650;letter-spacing:-.01em}
.r-org{display:block;font-size:13px;color:var(--muted);margin-top:2px}

/* ===== Savol-javob ===== */
.faq{border-top:1px solid var(--line)}
.q{border-bottom:1px solid var(--line)}
.q summary{
  list-style:none;cursor:pointer;
  padding:18px 34px 18px 0;position:relative;
  font-size:17px;font-weight:600;letter-spacing:-.01em;
}
.q summary::-webkit-details-marker{display:none}
/* Ochilish belgisi — ikkita chiziqdan iborat "+", ochilganda "-" ga aylanadi */
.q summary::before,
.q summary::after{
  content:"";position:absolute;right:4px;top:50%;
  width:13px;height:1.5px;background:var(--accent);
  transition:transform .2s ease;
}
.q summary::after{transform:rotate(90deg)}
.q[open] summary::after{transform:rotate(0deg)}
.q summary:hover{color:var(--accent)}
.q > p{padding:0 34px 20px 0;color:var(--muted);font-size:15.5px}
/* Javob silliq ochilib-yopilsin. Buni qo'llab-quvvatlamaydigan brauzerda
   animatsiya bo'lmaydi, ochilish-yopilishning o'zi avvalgidek ishlayveradi. */
@supports (interpolate-size: allow-keywords){
  :root{interpolate-size:allow-keywords}
  .q::details-content{
    height:0;overflow:hidden;
    transition:height .28s ease, content-visibility .28s allow-discrete;
  }
  .q[open]::details-content{height:auto}
}
@media (prefers-reduced-motion: reduce){
  .q summary::before,.q summary::after{transition:none}
}

/* ===== Sahifa ochilgandagi animatsiya ===== */
/* backwards — animatsiya tugagach element o'z uslubiga qaytadi.
   forwards bo'lsa, tugma ustidagi hover harakati bosilib qolardi. */
@keyframes yumshoq-chiqish{
  from{opacity:0;transform:translateY(10px)}
  to{opacity:1;transform:none}
}
.hero-brand,
.hero h1,
.hero .lead,
.hero .cta,
.hero-side{
  animation:yumshoq-chiqish .45s cubic-bezier(.22,.61,.36,1) backwards;
}
.hero h1{animation-delay:.06s}
.hero .lead{animation-delay:.12s}
.hero .cta{animation-delay:.18s}
.hero-side{animation-delay:.24s}

/* ===== Skroll animatsiyasi (sinflar script.js dan) ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease, transform .4s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero-brand,.hero h1,.hero .lead,.hero .cta,.hero-side{animation:none}
  .q::details-content{transition:none}
}

/* ===== Mobil ===== */
@media(max-width:640px){
  .hero{padding:40px 20px 0}
  .hero h1{font-size:32px}
  .hero .lead{font-size:17px}
  .projects{grid-template-columns:1fr}
  .service{grid-template-columns:1fr;gap:10px;padding:30px 0}
  .s-side{flex-direction:row;align-items:baseline;gap:12px}
  .s-num{font-size:20px}
  .s-body h3{font-size:20px}
  .hero-brand{gap:9px;margin-bottom:12px}
  .hero-brand-logo{padding:9px 14px;border-radius:11px}
  .hero-brand-logo img{width:128px}
  .hero-row{flex-direction:column;align-items:flex-start;gap:22px}
  .hero-side{align-items:flex-start;padding-bottom:0}
  .hero-photo{margin:18px 0 -62px;top:62px}
  .hc-slide img{aspect-ratio:16/10}
  .wrap{padding-top:112px}
  /* Menyu markazda emas, chapdan boshlanadi va rejim tugmasi uchun
     o'ng tomonda joy qoldiriladi — aks holda oxirgi havola tugma
     ostida qolib ketadi. */
  .bar{justify-content:flex-start;padding-right:54px}
  .topbar nav{
    flex:1;min-width:0;
    gap:14px;
    overflow-x:auto;
    scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .topbar nav::-webkit-scrollbar{display:none}
  .topbar nav a{white-space:nowrap;font-size:12.5px}
  .reviews{grid-template-columns:1fr}
  .theme-toggle{right:12px;width:32px;height:32px}
  .btn{flex:1 1 100%;justify-content:center}
}