/* =========================================================
   TOKENS
========================================================= */
:root{
  --bg:            #0B0F14;
  --bg-panel:      #121821;
  --bg-panel-2:    #161D28;
  --line:          rgba(232,237,242,0.09);
  --line-strong:   rgba(232,237,242,0.16);
  --ink:           #E8EDF2;
  --muted:         #8B98A5;
  --muted-2:       #5D6773;

  --amber:         #F5A623;
  --amber-soft:    rgba(245,166,35,0.14);
  --green:         #3DDC84;
  --green-soft:    rgba(61,220,132,0.14);

  --font-display:  'Vazirmatn', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  --radius:        10px;
  --radius-lg:     16px;
  --wrap:          1120px;

  --ease: cubic-bezier(.4,0,.2,1);
}

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

body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img,svg{ display:block; max-width:100%; }

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

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

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 16px;
}

h2{ font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
h3{ font-size: 1.15rem; font-weight: 700; }

p{ margin: 0 0 12px; color: var(--muted); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: .02em;
  color: var(--amber);
  margin: 0 0 12px;
  direction: ltr;
  text-align: right;
  unicode-bidi: plaintext;
}

.accent{ color: var(--amber); }
.accent-green{ color: var(--green); }

.dot{
  display:inline-block;
  width:8px; height:8px;
  border-radius:50%;
  margin-inline-end:6px;
  vertical-align:middle;
  box-shadow: 0 0 0 3px transparent;
}
.dot-green{ background: var(--green); box-shadow: 0 0 8px rgba(61,220,132,.7); }
.dot-amber{ background: var(--amber); box-shadow: 0 0 8px rgba(245,166,35,.7); }
.dot.pulse{ animation: pulse 2s ease-in-out infinite; }

@keyframes pulse{
  0%,100%{ opacity:1; }
  50%{ opacity:.35; }
}

/* =========================================================
   BUTTONS
========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 13px 26px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.btn:hover{ transform: translateY(-2px); }
.btn:focus-visible{ outline: 2px solid var(--amber); outline-offset: 3px; }

.btn-primary{
  background: var(--amber);
  color: #14100A;
}
.btn-primary:hover{ background:#ffb941; }

.btn-ghost{
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover{ border-color: var(--amber); color: var(--amber); }

.btn-block{ width:100%; }

/* =========================================================
   HEADER / NAV
========================================================= */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(11,15,20,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:68px;
}
.logo{
  font-family: var(--font-mono);
  font-weight:600;
  font-size:1rem;
  display:flex; align-items:center; gap:2px;
}
.logo-bracket{ color: var(--amber); }

.main-nav{
  display:flex;
  align-items:center;
  gap: 28px;
  font-size: 0.92rem;
}
.main-nav a{ color: var(--muted); transition: color .15s var(--ease); }
.main-nav a:hover{ color: var(--ink); }
.nav-cta{
  color: var(--bg) !important;
  background: var(--amber);
  padding: 9px 18px;
  border-radius: var(--radius);
  font-weight:600;
}
.nav-cta:hover{ background:#ffb941; color:#14100A !important; }

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:8px;
}
.nav-toggle span{
  width:22px; height:2px; background: var(--ink);
}

/* =========================================================
   HERO
========================================================= */
.hero{
  position:relative;
  padding: 96px 0 84px;
  overflow:hidden;
  border-bottom: 1px solid var(--line);
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
  opacity: .5;
  mask-image: linear-gradient(to bottom, black 0%, black 55%, transparent 100%);
}
.hero-bg svg{ width:100%; height:100%; }

.hero-inner{ position:relative; z-index:1; max-width: 760px; }

.hero h1{
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  margin-bottom: 22px;
}
.hero-sub{
  font-size: 1.05rem;
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom: 40px;
}
.status-row{
  display:flex;
  gap:22px;
  flex-wrap:wrap;
}
.status-chip{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  display:flex;
  align-items:center;
}

/* network topology nodes/edges */
.net-edge{ stroke: rgba(245,166,35,0.18); stroke-width:1; }
.net-node{ fill: var(--amber); opacity:.55; }
.net-node.g{ fill: var(--green); }

/* =========================================================
   SECTIONS (generic)
========================================================= */
.section{ padding: 88px 0; }
.section-alt{ background: var(--bg-panel); }
.section-title{ max-width: 620px; }
.section-sub{ max-width: 620px; margin-bottom: 44px; }

.grid{ display:grid; gap: 22px; }

/* =========================================================
   ABOUT
========================================================= */
.about-grid{
  display:grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 56px;
  align-items:start;
}
.tags{ display:flex; flex-wrap:wrap; gap:10px; margin-top: 22px; }
.tag{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
  border:1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px 12px;
  display:flex; align-items:center;
}

.status-panel{
  background: var(--bg-panel-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.status-panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  direction: ltr;
}
.status-list{ list-style:none; margin:0; padding:0; }
.status-list li{
  display:flex;
  justify-content:space-between;
  gap: 12px;
  font-size: 0.88rem;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}
.status-list li:last-child{ border-bottom:none; }
.status-list span{ color: var(--muted-2); }
.status-list b{ color: var(--ink); font-weight:600; text-align:left; }

/* =========================================================
   SERVICES
========================================================= */
.services-grid{ grid-template-columns: repeat(3, 1fr); }

.card{
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.section-alt .card{ background: var(--bg-panel-2); }
.card:hover{ border-color: var(--amber); transform: translateY(-3px); }
.card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom: 14px;
  direction: ltr;
}
.card-id{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted-2);
  letter-spacing:.05em;
}
.card p{ font-size: 0.92rem; margin:0; }

/* =========================================================
   PORTFOLIO (log style)
========================================================= */
.log-list{ display:flex; flex-direction:column; gap:16px; }
.log-item{
  border:1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  overflow:hidden;
}
.log-meta{
  display:flex;
  align-items:center;
  gap:14px;
  padding: 14px 22px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  direction: ltr;
  justify-content:flex-end;
}
.log-tag{ color: var(--green); }
.log-domain{ color: var(--muted); }
.log-body{ padding: 20px 22px; }
.log-body p{ font-size: 0.92rem; margin-bottom: 8px; }
.log-body b{ color: var(--ink); font-weight:600; }

/* =========================================================
   LEARN / BLOG
========================================================= */
.learn-grid{ grid-template-columns: repeat(3, 1fr); }
.learn-card{
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.learn-tag{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber);
  background: var(--amber-soft);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.learn-card h3{ font-size: 1.02rem; margin-bottom: 8px; }
.learn-card p{ font-size: 0.88rem; margin-bottom: 14px; }
.learn-link{
  font-size: 0.86rem;
  font-weight:600;
  color: var(--green);
}
.learn-link:hover{ text-decoration: underline; }

/* =========================================================
   BOOKING FORM
========================================================= */
.booking-grid{
  display:grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items:start;
}
.booking-status{ margin-top: 26px; max-width: 320px; }

.booking-form{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.field{ display:flex; flex-direction:column; gap:8px; }
.field-full{ grid-column: 1 / -1; }

label{ font-size: 0.85rem; color: var(--muted); }

input, select, textarea{
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.92rem;
}
input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--amber);
  outline-offset: 1px;
  border-color: var(--amber);
}
textarea{ resize: vertical; min-height: 90px; }

.form-note{
  margin: 12px 0 0;
  font-size: 0.85rem;
  min-height: 1.2em;
}
.form-note.success{ color: var(--green); }
.form-note.error{ color: #FF6B6B; }

/* =========================================================
   FOOTER
========================================================= */
.site-footer{
  border-top: 1px solid var(--line);
  padding-top: 56px;
  background: var(--bg-panel);
}
.footer-inner{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand p{ font-size: 0.88rem; margin-top: 12px; max-width: 320px; }
.footer-links{ display:flex; flex-direction:column; gap:12px; font-size: 0.9rem; }
.footer-links a{ color: var(--muted); }
.footer-links a:hover{ color: var(--ink); }
.footer-contact p{ font-size: 0.88rem; margin: 0 0 8px; direction: ltr; text-align: right; unicode-bidi: plaintext; }

.footer-bottom{
  border-top: 1px solid var(--line);
  padding: 20px 24px;
  font-size: 0.8rem;
  color: var(--muted-2);
  text-align:center;
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 900px){
  .about-grid, .booking-grid{ grid-template-columns: 1fr; }
  .services-grid, .learn-grid{ grid-template-columns: repeat(2, 1fr); }
  .footer-inner{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .main-nav{
    position: absolute;
    top: 68px; right:0; left:0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px 26px;
    gap: 18px;
    display:none;
  }
  .main-nav.open{ display:flex; }
  .nav-toggle{ display:flex; }
  .nav-cta{ width:100%; text-align:center; }

  .services-grid, .learn-grid{ grid-template-columns: 1fr; }
  .booking-form{ grid-template-columns: 1fr; }
  .hero{ padding: 64px 0 56px; }
  .section{ padding: 64px 0; }
}

/* =========================================================
   REDUCED MOTION
========================================================= */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .dot.pulse{ animation: none; }
  .btn:hover{ transform:none; }
  .card:hover{ transform:none; }
  #netSvg .net-anim{ animation: none !important; }
}