/* =========================================================
   Alshaheen.Lens — عدسة الشاهين
   Brand tokens (deliberately single dark theme — matches the
   Instagram identity, not adaptive to system light/dark)
   ========================================================= */
:root{
  --bg:            #050F21;   /* deep navy base */
  --bg-glow:       #10223F;   /* soft radial glow core */
  --accent:        #21B6FF;   /* electric blue */
  --accent-dim:    #21B6FF33;
  --heading:       #FFFFFF;
  --body-text:     #C7CBD1;
  --muted:         #7C8798;
  --pill-text:     #050F21;
  --card-bg:       #0B1930;
  --card-border:   #1B2E4C;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --maxw: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--body-text);
  font-family:'Tajawal', 'Segoe UI', Tahoma, sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4{
  font-family:'Cairo','Tajawal',sans-serif;
  color:var(--heading);
  margin:0 0 .5em;
  text-wrap:balance;
  font-weight:800;
}

p{ margin:0 0 1em; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; cursor:pointer; }

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

.eyebrow{
  font-family:'Rajdhani',sans-serif;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:26px; height:2px;
  background:var(--accent);
  display:inline-block;
}

/* ---------- glow backdrop, reused behind key sections ---------- */
.glow-field{ position:relative; isolation:isolate; }
.glow-field::before{
  content:"";
  position:absolute; inset:-20% -10% auto -10%;
  height:120%;
  background:radial-gradient(closest-side, var(--bg-glow) 0%, transparent 72%);
  z-index:-1;
  pointer-events:none;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 30px;
  border-radius:999px;
  font-family:'Cairo',sans-serif;
  font-weight:700;
  font-size:15.5px;
  border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space:nowrap;
}
.btn:active{ transform:scale(.97); }

.btn-primary{
  background:var(--accent);
  color:var(--pill-text);
  box-shadow:0 8px 30px -8px var(--accent-dim), 0 0 0 0 var(--accent);
}
.btn-primary:hover{
  box-shadow:0 10px 34px -6px rgba(33,182,255,.55);
  transform:translateY(-2px);
}
.btn-primary svg{ width:19px; height:19px; flex:none; }

.btn-ghost{
  background:transparent;
  color:var(--heading);
  border-color:var(--card-border);
}
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); }

/* ---------- nav ---------- */
.nav{
  position:fixed; inset-inline:0; top:0; z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(5,15,33,.72);
  border-bottom:1px solid #ffffff0f;
}
.nav .container{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ width:42px; height:42px; border-radius:50%; }
.brand-text{ display:flex; flex-direction:column; line-height:1.2; }
.brand-text b{ font-family:'Cairo',sans-serif; color:var(--heading); font-size:16px; font-weight:800; }
.brand-text span{ font-family:'Rajdhani',sans-serif; font-size:11px; letter-spacing:.18em; color:var(--accent); }

.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:15px; color:var(--body-text); font-weight:500;
  position:relative; padding:6px 0;
}
.nav-links a:hover{ color:var(--heading); }
.nav-cta{ display:flex; align-items:center; gap:16px; }
.nav .btn{ padding:11px 22px; font-size:14px; }

.nav-toggle{
  display:none;
  background:none; border:1px solid var(--card-border); border-radius:10px;
  width:42px; height:42px; align-items:center; justify-content:center;
  color:var(--heading);
}

.mobile-menu{
  display:none;
  position:fixed; top:76px; inset-inline:0; z-index:49;
  background:#050F21f5;
  border-bottom:1px solid var(--card-border);
  padding:18px 24px 26px;
  flex-direction:column; gap:16px;
}
.mobile-menu.open{ display:flex; }
.mobile-menu a{ font-size:16px; color:var(--body-text); padding:6px 0; }
.mobile-menu a:hover{ color:var(--accent); }
.mobile-menu .btn{ justify-content:center; }

/* ---------- hero ---------- */
.hero{
  padding:168px 0 96px;
  position:relative;
}
.hero .container{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(34px,4.6vw,58px);
  line-height:1.18;
}
.hero h1 em{
  font-style:normal;
  color:var(--accent);
  position:relative;
}
.hero-sub{
  font-size:18px;
  color:var(--body-text);
  max-width:52ch;
  margin-bottom:34px;
}
.hero-ctas{ display:flex; flex-wrap:wrap; gap:16px; margin-bottom:38px; }
.hero-badges{ display:flex; flex-wrap:wrap; gap:12px; }
.badge{
  display:flex; align-items:center; gap:8px;
  border:1px solid var(--card-border);
  background:#0B1930aa;
  padding:9px 16px;
  border-radius:999px;
  font-size:13.5px;
  color:var(--body-text);
}
.badge .dot{ width:7px; height:7px; border-radius:50%; background:var(--accent); box-shadow:0 0 10px 2px var(--accent-dim); }

/* hero visual: circular viewport echoing the logo's lens/eye */
.hero-visual{
  position:relative;
  aspect-ratio:1/1;
  border-radius:50%;
  border:1px solid #ffffff14;
  display:flex; align-items:center; justify-content:center;
  background:
    radial-gradient(circle at 50% 40%, var(--bg-glow), transparent 70%);
}
.hero-visual::before{
  content:"";
  position:absolute; inset:14%;
  border-radius:50%;
  border:1px solid var(--accent-dim);
  animation:spin 26s linear infinite;
}
.hero-visual::after{
  content:"";
  position:absolute; inset:28%;
  border-radius:50%;
  border:1px dashed #21B6FF55;
  animation:spin 40s linear infinite reverse;
}
@keyframes spin{ to{ transform:rotate(360deg); } }
.hero-visual img{
  width:58%; height:58%; object-fit:contain;
  border-radius:50%;
  filter:drop-shadow(0 0 40px #21B6FF3d);
}
@media (prefers-reduced-motion: reduce){
  .hero-visual::before,.hero-visual::after{ animation:none; }
}

/* ---------- section shell ---------- */
section{ padding:96px 0; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(26px,3vw,38px); }
.section-head p{ font-size:16.5px; }

/* ---------- feature / step cards ---------- */
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }

.card{
  background:linear-gradient(180deg,var(--card-bg),#081426);
  border:1px solid var(--card-border);
  border-radius:var(--radius-lg);
  padding:30px 26px;
  transition:border-color .2s ease, transform .2s ease;
}
.card:hover{ border-color:#21B6FF66; transform:translateY(-4px); }
.card .icon{
  width:52px; height:52px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  background:#0e2440;
  border:1px solid var(--card-border);
  color:var(--accent);
  margin-bottom:20px;
}
.card .icon svg{ width:26px; height:26px; }
.card h3{ font-size:18.5px; margin-bottom:8px; }
.card p{ font-size:14.5px; color:var(--muted); margin:0; }

/* steps */
.steps{ counter-reset:step; }
.step{ position:relative; padding-inline-start:0; }
.step-num{
  font-family:'Rajdhani',sans-serif;
  font-weight:700;
  font-size:15px;
  color:var(--accent);
  letter-spacing:.08em;
  margin-bottom:14px;
  display:flex; align-items:center; gap:10px;
}
.step-num b{
  font-size:26px;
  color:var(--heading);
  -webkit-text-stroke:1px var(--accent);
}
.steps .card{ position:relative; }
.step-connector{
  display:none;
}
@media (min-width:900px){
  .steps{ position:relative; }
  .steps::before{
    content:"";
    position:absolute; top:56px; inset-inline:8%;
    height:1px;
    background:repeating-linear-gradient(to left,var(--card-border) 0 8px,transparent 8px 16px);
    z-index:0;
  }
}

/* ---------- gallery ---------- */
.tour-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.tour-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--card-border);
  aspect-ratio:4/3;
  cursor:pointer;
  background:var(--card-bg);
}
.tour-card img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .5s ease, filter .5s ease;
  filter:saturate(1.05) brightness(.9);
}
.tour-card:hover img{ transform:scale(1.06); filter:saturate(1.15) brightness(1); }
.tour-card .overlay{
  position:absolute; inset:0;
  background:linear-gradient(180deg,transparent 40%, #050F21ee 92%);
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:22px;
}
.tour-card .tag{
  align-self:flex-start;
  font-family:'Rajdhani',sans-serif;
  font-weight:700; letter-spacing:.12em; font-size:11.5px;
  color:var(--pill-text);
  background:var(--accent);
  padding:5px 12px; border-radius:999px;
  margin-bottom:12px;
}
.tour-card h3{ font-size:19px; margin-bottom:4px; }
.tour-card .meta{ font-size:13px; color:var(--body-text); display:flex; align-items:center; gap:8px; }
.play-ring{
  position:absolute; top:16px; inset-inline-end:16px;
  width:44px; height:44px; border-radius:50%;
  background:#050F21b3;
  border:1px solid var(--accent-dim);
  display:flex; align-items:center; justify-content:center;
  color:var(--accent);
}
.play-ring svg{ width:20px; height:20px; }
.demo-note{
  margin-top:26px;
  font-size:13.5px;
  color:var(--muted);
  display:flex; align-items:center; gap:9px;
}
.demo-note svg{ width:16px; height:16px; color:var(--accent); flex:none; }

/* ---------- CTA banner ---------- */
.cta-banner{
  border-radius:28px;
  border:1px solid var(--card-border);
  background:
    radial-gradient(circle at 20% 20%, var(--bg-glow), transparent 55%),
    linear-gradient(180deg,#0B1930,#081426);
  padding:64px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-banner h2{ font-size:clamp(24px,3.4vw,36px); margin-bottom:12px; }
.cta-banner p{ max-width:52ch; margin:0 auto 30px; font-size:16px; }

/* ---------- footer ---------- */
footer{
  border-top:1px solid #ffffff0f;
  padding:52px 0 30px;
}
.footer-top{
  display:flex; justify-content:space-between; align-items:flex-start;
  gap:40px; flex-wrap:wrap;
  margin-bottom:34px;
}
.footer-brand{ display:flex; gap:14px; align-items:center; max-width:340px; }
.footer-brand img{ width:46px; height:46px; border-radius:50%; }
.footer-brand p{ font-size:13.5px; color:var(--muted); margin:6px 0 0; }
.footer-links{ display:flex; gap:60px; flex-wrap:wrap; }
.footer-col b{ display:block; color:var(--heading); font-family:'Cairo',sans-serif; font-size:14.5px; margin-bottom:14px; }
.footer-col a{ display:block; font-size:14px; color:var(--body-text); margin-bottom:10px; }
.footer-col a:hover{ color:var(--accent); }
.footer-bottom{
  border-top:1px solid #ffffff0f;
  padding-top:22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:12.5px; color:var(--muted);
}

/* ---------- floating whatsapp ---------- */
.fab-wa{
  position:fixed; bottom:26px; inset-inline-end:26px; z-index:60;
  width:60px; height:60px; border-radius:50%;
  background:var(--accent);
  color:var(--pill-text);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 30px -6px rgba(33,182,255,.6);
  animation:pulse 2.6s ease-in-out infinite;
}
.fab-wa svg{ width:28px; height:28px; }
@keyframes pulse{
  0%,100%{ box-shadow:0 10px 30px -6px rgba(33,182,255,.55); }
  50%{ box-shadow:0 10px 40px -2px rgba(33,182,255,.85); }
}
@media (prefers-reduced-motion: reduce){ .fab-wa{ animation:none; } }

/* ---------- 360 viewer modal ---------- */
.tour-modal{
  position:fixed; inset:0; z-index:100;
  background:#020814e8;
  display:none;
  align-items:center; justify-content:center;
  padding:20px;
}
.tour-modal.open{ display:flex; }
.tour-modal-inner{
  width:min(1180px,100%);
  height:min(720px,88vh);
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--card-border);
  position:relative;
  background:#000;
}
#panoViewer{ width:100%; height:100%; transition:filter .35s ease; }
#panoViewer.walking{ filter:blur(5px); }
.psv-nav-dot{
  position:relative;
  width:26px; height:26px; border-radius:50%;
  background:var(--accent); border:3px solid #050F21;
  box-shadow:0 0 0 6px rgba(33,182,255,.28);
  cursor:pointer;
}
.psv-nav-dot::after{
  content:""; position:absolute; inset:0; border-radius:50%;
  animation:navDotPulse 1.6s ease-out infinite;
  background:var(--accent);
}
@keyframes navDotPulse{
  0%{ transform:scale(1); opacity:.55; }
  100%{ transform:scale(2.2); opacity:0; }
}
.tour-modal-close{
  position:absolute; top:16px; inset-inline-end:16px; z-index:5;
  width:42px; height:42px; border-radius:50%;
  background:#050F21cc; border:1px solid var(--card-border);
  color:var(--heading); display:flex; align-items:center; justify-content:center;
}
.tour-modal-title{
  position:absolute; top:16px; inset-inline-start:16px; z-index:5;
  background:#050F21cc; border:1px solid var(--card-border);
  padding:9px 18px; border-radius:999px; font-size:13.5px; color:var(--heading);
}
.tour-modal-hint{
  position:absolute; bottom:16px; inset-inline-start:0; inset-inline-end:0;
  display:flex; justify-content:center; z-index:5;
  pointer-events:none;
}
.tour-modal-hint span{
  background:#050F21cc; border:1px solid var(--card-border);
  padding:8px 16px; border-radius:999px; font-size:12.5px; color:var(--body-text);
}

/* responsive */
@media (max-width:980px){
  .hero .container{ grid-template-columns:1fr; }
  .hero-visual{ max-width:280px; margin:0 auto; }
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .tour-grid{ grid-template-columns:repeat(2,1fr); }
  .grid-3{ grid-template-columns:1fr; }
  .nav-links,.nav-cta .btn-ghost{ display:none; }
  .nav-toggle{ display:flex; flex:none; }
  .nav .container{ gap:10px; }
  .nav-cta{ flex:none; }
  section{ padding:64px 0; }
  .section-head{ margin-bottom:36px; }
}
@media (max-width:640px){
  .grid-4{ grid-template-columns:1fr; }
  .tour-grid{ grid-template-columns:1fr; }
  .hero{ padding:124px 0 40px; }
  .hero-visual{ max-width:220px; }
  .cta-banner{ padding:44px 24px; }
  .footer-top{ flex-direction:column; }
  .container{ padding:0 18px; }
  .nav .btn{ padding:10px 16px; font-size:13px; }
  .nav .btn span, .nav .btn{ white-space:nowrap; }
}
@media (max-width:480px){
  .brand-text{ display:none; }
  .nav .btn-primary{ padding:9px 14px; font-size:12.5px; }
  .badge{ font-size:12.5px; padding:8px 13px; }
  .tour-modal{ padding:0; }
  .tour-modal-inner{ width:100%; height:100%; border-radius:0; }
}