/* ============================================================
   AMNRA — Design tokens
   ============================================================ */
:root{
  --navy-900:#0B1524;
  --navy-800:#122439;
  --navy-700:#1B3350;
  --navy-600:#233F60;
  --teal-300:#5EEAD4;
  --teal-400:#2DD4BF;
  --teal-500:#14B8A6;
  --gold-400:#F5C563;
  --gold-500:#F2B134;
  --gold-600:#D99A1E;
  --ink-900:#10202F;
  --ink-700:#2C3D4D;
  --ink-500:#5B6D7D;
  --paper-0:#FFFFFF;
  --paper-50:#F7F9FB;
  --paper-100:#EEF2F6;
  --border:#DDE4EA;
  --radius-card:14px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(16,32,47,.06), 0 8px 24px rgba(16,32,47,.05);
  --max-w:1180px;
  --max-w-narrow:720px;
  --font-lat-head:'Space Grotesk', 'Vazirmatn', 'Noto Sans SC', sans-serif;
  --font-lat-body:'Inter', 'Vazirmatn', 'Noto Sans SC', sans-serif;
}

html[lang="fa"]{
  --font-lat-head:'Vazirmatn', sans-serif;
  --font-lat-body:'Vazirmatn', sans-serif;
}
html[lang="zh"]{
  --font-lat-head:'Noto Sans SC', sans-serif;
  --font-lat-body:'Noto Sans SC', sans-serif;
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
html.no-smooth{ scroll-behavior:auto; }

body{
  margin:0;
  font-family:var(--font-lat-body);
  color:var(--ink-900);
  background:var(--paper-0);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--font-lat-head);
  color:var(--ink-900);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:600;
}

p{ margin:0 0 1em; color:var(--ink-700); }
a{ color:inherit; text-decoration:none; }
img,svg{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{
  outline:3px solid var(--teal-400);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

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

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-lat-head);
  font-size:22px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-mark{ width:34px; height:34px; flex:none; }
.brand-word{
  background:linear-gradient(120deg, var(--navy-900), var(--teal-500) 65%, var(--gold-500));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.nav-links{
  display:flex;
  gap:8px;
  align-items:center;
}
.nav-links a{
  padding:10px 16px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  transition:background .18s ease, color .18s ease;
}
.nav-links a:hover{ background:var(--paper-100); color:var(--ink-900); }
.nav-links a[aria-current="page"]{
  color:var(--navy-900);
  background:var(--paper-100);
  font-weight:600;
}

.nav-right{ display:flex; align-items:center; gap:10px; }

.lang-switch{
  display:flex;
  border:1px solid var(--border);
  border-radius:var(--radius-pill);
  overflow:hidden;
}
.lang-switch button{
  border:none;
  background:transparent;
  padding:8px 13px;
  font-size:13px;
  font-weight:600;
  color:var(--ink-500);
}
.lang-switch button.is-active{
  background:var(--navy-900);
  color:#fff;
}

.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:"";
  position:absolute;
  left:9px; right:9px;
  height:2px;
  background:var(--ink-900);
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span{ top:19px; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }
.nav-toggle[aria-expanded="true"] span{ background:transparent; }
.nav-toggle[aria-expanded="true"] span::before{ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ transform:translateY(-7px) rotate(-45deg); }

@media (max-width: 880px){
  .nav-links{
    position:absolute;
    top:72px; left:0; right:0;
    background:#fff;
    border-bottom:1px solid var(--border);
    flex-direction:column;
    align-items:stretch;
    padding:8px;
    display:none;
  }
  .nav-links.is-open{ display:flex; }
  .nav-links a{ text-align:center; }
  .nav-toggle{ display:block; }
}

/* ============================================================
   Hero (home page)
   ============================================================ */
.hero{
  position:relative;
  background:var(--navy-900);
  color:#fff;
  overflow:hidden;
  padding:96px 0 120px;
}
.hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  opacity:.55;
}
.hero-bg .grid-line{ stroke:var(--navy-600); stroke-width:1; }
.hero-bg .pulse-line{
  fill:none;
  stroke:var(--teal-400);
  stroke-width:2;
  stroke-linecap:round;
  stroke-dasharray:12 10;
  animation:dash 6s linear infinite;
  opacity:.8;
}
.hero-bg .pulse-line.gold{ stroke:var(--gold-500); animation-duration:8s; }
.hero-bg .node{
  fill:var(--teal-300);
  animation:blink 3.6s ease-in-out infinite;
}
.hero-bg .node.g{ fill:var(--gold-400); animation-duration:4.4s; }
@keyframes dash{ to{ stroke-dashoffset:-220; } }
@keyframes blink{
  0%,100%{ opacity:.25; }
  50%{ opacity:1; }
}

.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:56px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--teal-300);
  margin-bottom:18px;
  font-weight:500;
}
.hero-eyebrow .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--teal-400);
  box-shadow:0 0 0 4px rgba(45,212,191,.18);
}
.hero h1{
  color:#fff;
  font-size:clamp(34px, 4.6vw, 54px);
  max-width:16ch;
  letter-spacing:-.01em;
}
.hero .lede{
  color:#C7D3DE;
  font-size:18px;
  max-width:46ch;
  margin-bottom:32px;
}
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--radius-pill);
  font-weight:600;
  font-size:15px;
  border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{
  background:var(--gold-500);
  color:var(--navy-900);
  box-shadow:0 10px 24px rgba(242,177,52,.25);
}
.btn-primary:hover{ background:var(--gold-400); }
.btn-outline{
  border-color:rgba(255,255,255,.35);
  color:#fff;
}
.btn-outline:hover{ border-color:var(--teal-300); background:rgba(255,255,255,.06); }
.btn-dark{
  background:var(--navy-900);
  color:#fff;
}
.btn-dark:hover{ background:var(--navy-700); }

.hero-panel{
  position:relative;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;
  padding:28px;
  backdrop-filter:blur(6px);
}
.hero-panel-row{
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 6px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.hero-panel-row:last-child{ border-bottom:none; }
.hero-panel-row .ic{
  width:38px;height:38px;flex:none;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(45,212,191,.14);
  color:var(--teal-300);
}
.hero-panel-row strong{ display:block; color:#fff; font-size:15px; }
.hero-panel-row span{ display:block; color:#9FB0BF; font-size:13.5px; }

@media (max-width: 900px){
  .hero-inner{ grid-template-columns:1fr; }
}

/* Page banner (about / services / contact) */
.page-banner{
  background:var(--navy-900);
  color:#fff;
  padding:64px 0 74px;
  position:relative;
  overflow:hidden;
}
.page-banner h1{ color:#fff; font-size:clamp(30px,4vw,42px); margin-bottom:10px; }
.page-banner p{ color:#C7D3DE; max-width:56ch; font-size:17px; margin:0; }

/* ============================================================
   Sections
   ============================================================ */
section{ padding:88px 0; }
.section-tight{ padding:64px 0; }
.section-alt{ background:var(--paper-50); }

.section-head{ max-width:640px; margin:0 0 44px; }
.section-head.center{ margin-inline:auto; text-align:center; }
.section-head h2{ font-size:clamp(26px,3.2vw,36px); }
.section-head p{ font-size:16.5px; }

.grid-3{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:22px;
}
.grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
}
@media (max-width:880px){
  .grid-3{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }
}

.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:28px 26px;
  box-shadow:var(--shadow-card);
}
.card .ic{
  width:46px;height:46px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
  background:var(--paper-100);
  color:var(--navy-800);
}
.card h3{ font-size:18.5px; margin-bottom:8px; }
.card p{ font-size:15px; margin:0; }

.service-card{ border-top:3px solid var(--teal-400); }
.service-card.gold{ border-top-color:var(--gold-500); }

.feature-row{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:18px 0;
  border-bottom:1px solid var(--border);
}
.feature-row:last-child{ border-bottom:none; }
.feature-row .ic{
  width:40px;height:40px;flex:none;
  border-radius:10px;
  background:var(--paper-100);
  display:flex;align-items:center;justify-content:center;
  color:var(--navy-800);
}
.feature-row h4{ font-size:16px; margin-bottom:4px; }
.feature-row p{ font-size:14.5px; margin:0; color:var(--ink-500); }

.value-card{ text-align:start; }

.cta-band{
  background:var(--navy-900);
  color:#fff;
  border-radius:24px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{ color:#fff; margin-bottom:6px; }
.cta-band p{ color:#C7D3DE; margin:0; }

/* Reveal-on-scroll: single orchestrated entrance for section headers only */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{ opacity:1; transform:none; }

/* ============================================================
   About page specifics
   ============================================================ */
.story-block{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
@media (max-width:880px){ .story-block{ grid-template-columns:1fr; } }
.mission-panel{
  background:var(--paper-50);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:32px;
}
.mission-panel h3{ margin-bottom:10px; }

/* ============================================================
   Contact page
   ============================================================ */
.contact-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:40px;
  align-items:start;
}
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }

.contact-info-card{
  background:var(--navy-900);
  color:#fff;
  border-radius:var(--radius-card);
  padding:34px;
}
.contact-info-card h3{ color:#fff; }
.contact-info-row{
  display:flex; gap:14px; align-items:flex-start;
  padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.contact-info-row:last-of-type{ border-bottom:none; }
.contact-info-row .ic{
  width:38px;height:38px;flex:none;border-radius:10px;
  background:rgba(45,212,191,.14);
  color:var(--teal-300);
  display:flex;align-items:center;justify-content:center;
}
.contact-info-row strong{ display:block; font-size:15px; }
.contact-info-row span, .contact-info-row a{ display:block; color:#C7D3DE; font-size:14.5px; }
.contact-info-row a:hover{ color:var(--teal-300); }

.map-btn{
  margin-top:24px;
  width:100%;
}

.form-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:34px;
  box-shadow:var(--shadow-card);
}
.field{ margin-bottom:18px; }
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:7px;
  color:var(--ink-700);
}
.field input, .field textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius:10px;
  padding:13px 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink-900);
  background:var(--paper-50);
  transition:border-color .15s ease, background .15s ease;
}
.field input:focus, .field textarea:focus{
  border-color:var(--teal-400);
  background:#fff;
  outline:none;
}
.field textarea{ min-height:140px; resize:vertical; }
.form-note{ font-size:13.5px; color:var(--ink-500); margin-top:14px; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer{
  background:var(--navy-900);
  color:#C7D3DE;
  padding:56px 0 28px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:32px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
@media (max-width:760px){ .footer-top{ grid-template-columns:1fr; } }
.footer-top .brand-word{
  background:linear-gradient(120deg, #fff, var(--teal-300) 65%, var(--gold-400));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.footer-tagline{ font-size:14.5px; max-width:32ch; margin-top:10px; }
.footer-col h5{
  color:#fff; font-size:14.5px; font-weight:600; margin-bottom:14px;
}
.footer-col ul li{ margin-bottom:10px; }
.footer-col a{ font-size:14.5px; color:#C7D3DE; }
.footer-col a:hover{ color:var(--teal-300); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:12px;
  padding-top:22px;
  font-size:13.5px;
  color:#8CA0B2;
}

/* RTL adjustments */
html[dir="rtl"] .feature-row,
html[dir="rtl"] .contact-info-row,
html[dir="rtl"] .hero-panel-row{
  direction:rtl;
}
html[dir="rtl"] .hero-eyebrow{ flex-direction:row-reverse; }