:root {
  --bg: #070b10;
  --panel: #0d141c;
  --panel-2: #121b24;
  --line: rgba(255,255,255,.12);
  --text: #eef4f7;
  --muted: #9aa8b2;
  --gold: #d5a84f;
  --steel: #8fb7c9;
  --green: #7fb889;
  --danger: #d66e56;
  --max: 1180px;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("fonts/Vazirmatn-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% -10%, rgba(143,183,201,.18), transparent 34rem), var(--bg);
  line-height: 1.6;
}
body[dir="rtl"] { font-family: "Vazirmatn", "Segoe UI", Tahoma, Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7,11,16,.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 74px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 220px; }
.mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(213,168,79,.45);
  background: linear-gradient(145deg, rgba(213,168,79,.22), rgba(143,183,201,.1));
  color: var(--gold);
  font-weight: 800;
  letter-spacing: .04em;
}
.brand strong { display: block; font-size: 15px; letter-spacing: .08em; text-transform: uppercase; }
.brand span { color: var(--muted); font-size: 12px; }
.links { display: flex; align-items: center; justify-content: center; gap: 4px; flex-wrap: wrap; }
.links a {
  padding: 9px 10px;
  border-radius: 4px;
  color: #c9d4da;
  font-size: 13px;
}
.links a:hover, .links a.active { background: rgba(255,255,255,.08); color: #fff; }
.lang {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}
.lang button {
  border: 0;
  color: var(--muted);
  background: transparent;
  padding: 7px 10px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
}
.lang button.active { background: var(--gold); color: #15120a; }
.hero {
  min-height: calc(100vh - 74px);
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.hero::before, .page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(7,11,16,.88) 0%, rgba(7,11,16,.62) 42%, rgba(7,11,16,.18) 100%);
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.page-hero::before {
  background-image: linear-gradient(90deg, rgba(7,11,16,.96) 0%, rgba(7,11,16,.76) 42%, rgba(7,11,16,.46) 100%), var(--hero-img, url("images/industrial-trade.svg"));
}
.page-hero.has-media::before {
  background-image: linear-gradient(90deg, rgba(7,11,16,.94) 0%, rgba(7,11,16,.72) 44%, rgba(7,11,16,.34) 100%);
}
body.lang-fa .page-hero.has-media::before {
  background-image: linear-gradient(90deg, rgba(7,11,16,.28) 0%, rgba(7,11,16,.68) 48%, rgba(7,11,16,.94) 100%);
}
.hero::after, .page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  background: linear-gradient(transparent, var(--bg));
  z-index: -1;
}
.hero-inner, .section, .page-hero-inner { max-width: var(--max); width: 100%; margin: 0 auto; padding: 72px 22px; }
.hero-inner { position: relative; z-index: 2; }
.hero .hero-inner { padding-top: 54px; padding-bottom: 46px; }
body.lang-fa .hero .hero-inner {
  display: grid;
  justify-items: right;
  text-align: right;
}
body.lang-fa .hero::before {
  background-image: linear-gradient(90deg, rgba(7,11,16,.18) 0%, rgba(7,11,16,.56) 48%, rgba(7,11,16,.9) 100%);
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -3;
}
.page-hero-media {
  position: absolute;
  inset: 0;
  z-index: -3;
}
.hero-media img,
.hero-media video,
.page-hero-media img,
.page-hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-video-fa { display: none; }
body.lang-fa .hero-video-en { display: none; }
body.lang-fa .hero-video-fa { display: block; }
.page-hero-video-fa { display: none; }
body.lang-fa .page-hero-video-en { display: none; }
body.lang-fa .page-hero-video-fa { display: block; }
.eyebrow { color: var(--gold); text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 700; }
.section-head .eyebrow { display: inline-block; margin-bottom: 12px; }
body[dir="rtl"] .eyebrow {
  text-transform: none;
  letter-spacing: 0;
  font-size: 17px;
  font-weight: 800;
}
body[dir="rtl"] .page-hero .eyebrow {
  font-size: 19px;
}
h1, h2, h3 { line-height: 1.08; margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(42px, 7vw, 88px); max-width: 890px; margin-top: 16px; }
.hero h1 { font-size: clamp(34px, 4.7vw, 64px); max-width: 720px; }
body.lang-fa .hero h1 { max-width: 700px; }
h2 { font-size: clamp(28px, 4vw, 52px); max-width: 860px; }
h3 { font-size: 22px; }
p { color: #c5d0d7; margin: 0; }
.lead { font-size: clamp(17px, 2vw, 22px); max-width: 760px; margin-top: 22px; color: #d9e1e5; }
.hero .lead { font-size: clamp(15px, 1.35vw, 18px); max-width: 620px; margin-top: 18px; line-height: 1.7; }
body.lang-fa .hero .lead { max-width: 650px; }
.hero-actions, .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero .hero-actions { margin-top: 24px; }
body.lang-fa .hero .hero-actions { justify-content: flex-end; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  min-height: 44px;
  padding: 11px 18px;
  border: 1px solid rgba(255,255,255,.18);
  color: #fff;
  background: rgba(255,255,255,.06);
  border-radius: 4px;
  font-weight: 700;
}
.btn.primary { background: var(--gold); color: #15120a; border-color: var(--gold); }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  margin-top: 58px;
}
.hero .stats { width: 100%; max-width: none; margin-top: 38px; opacity: .9; }
body.lang-fa .hero .stats { width: 100%; max-width: none; }
.stat { background: rgba(9,15,22,.78); padding: 24px; }
.hero .stat { padding: 17px 18px; background: rgba(9,15,22,.58); }
.stat strong { display: block; font-size: 30px; color: #fff; }
.hero .stat strong { font-size: 24px; }
.stat span { color: var(--muted); font-size: 13px; }
.section { padding-top: 86px; padding-bottom: 86px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 34px; }
.section-head p { max-width: 520px; }
.grid-3, .grid-2, .grid-4 { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.card-body { padding: 24px; }
.card p { margin-top: 12px; color: var(--muted); }
.photo {
  min-height: 245px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.photo.about-operating { background-image: url("images/operating-identity.jpg"); }
.visual {
  min-height: 245px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02)),
    radial-gradient(circle at 78% 18%, rgba(213,168,79,.22), transparent 18rem),
    var(--visual-img, none),
    #101923;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}
.visual::before {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(255,255,255,.12);
}
.visual::after {
  content: "";
  position: absolute;
  inset: auto 22px 22px;
  height: 42%;
  background: var(--visual-shape, linear-gradient(90deg, #7c929e, #d5a84f));
  box-shadow: 0 24px 55px rgba(0,0,0,.35);
}
.visual.metal, .visual.product-steel, .visual.product-ore { --visual-img: url("images/metals.svg"); --visual-shape: repeating-linear-gradient(90deg, #899faa 0 24px, #5f737e 24px 34px, #d5a84f 34px 38px); }
.visual.oil { --visual-img: url("images/petroleum.svg"); --visual-shape: radial-gradient(ellipse at 20% 100%, #7f8d92 0 32%, transparent 33%), radial-gradient(ellipse at 50% 100%, #9aa7aa 0 36%, transparent 37%), radial-gradient(ellipse at 80% 100%, #6f7b80 0 30%, transparent 31%); }
.visual.telecom, .visual.product-telecom { --visual-img: url("images/telecom.svg"); --visual-shape: repeating-linear-gradient(90deg, #223342 0 42px, #8fb7c9 42px 46px, #121b24 46px 58px); }
.visual.logistics { --visual-img: url("images/logistics.svg"); --visual-shape: repeating-linear-gradient(90deg, #526c78 0 44px, #d5a84f 44px 52px, #1b2b36 52px 72px); }
.photo.small { min-height: 185px; }
.photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(7,11,16,.68));
}
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.tag {
  border: 1px solid rgba(255,255,255,.12);
  color: #dce5e9;
  background: rgba(255,255,255,.05);
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
}
.band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(213,168,79,.09), rgba(143,183,201,.08), rgba(127,184,137,.08));
}
.page-hero {
  min-height: 520px;
  position: relative;
  display: grid;
  align-items: end;
  isolation: isolate;
}
.page-hero.trade-hero { --hero-img: url("images/trade-logistics.jpg"); }
.page-hero.about-hero { --hero-img: url("images/about-isatis-export.jpg"); }
.page-hero.contact-hero { --hero-img: url("images/contact.jpg"); }
.page-hero.sustainability-hero { --hero-img: url("images/sustainability-compliance.jpg"); }
.page-hero h1 { font-size: clamp(38px, 5vw, 70px); }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 34px; align-items: center; }
.list { display: grid; gap: 12px; margin-top: 22px; }
.list div {
  border-left: 3px solid var(--gold);
  background: rgba(255,255,255,.04);
  padding: 14px 16px;
}
body[dir="rtl"] .list div { border-left: 0; border-right: 3px solid var(--gold); }
.product {
  display: grid;
  grid-template-rows: 190px 1fr;
  min-height: 370px;
}
.product h3 { font-size: 19px; }
.specs { margin-top: 14px; display: grid; gap: 8px; color: var(--muted); font-size: 14px; }
.map {
  min-height: 420px;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid var(--line);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}
.map::before {
  content: "";
  position: absolute;
  inset: 35px;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse at center, #000 45%, transparent 72%);
}
.map-labels { position: absolute; inset: 28px; display: grid; align-content: end; gap: 8px; }
.operations-map {
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)),
    #0d141c;
}
.operations-map::before {
  content: "";
  position: absolute;
  inset: 34px;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at center, #000 42%, transparent 74%);
}
.operations-list {
  position: absolute;
  left: 46px;
  right: 46px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  gap: 14px;
}
.operation-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 999px;
  background: rgba(255,255,255,.045);
}
.operation-key {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  flex: 0 0 auto;
  box-shadow: 0 0 18px currentColor;
}
.operation-key.route { background: var(--gold); }
.operation-key.sea { background: var(--steel); }
.operation-key.port { background: var(--green); }
.operation-key.docs { background: #b8c7cf; }
.corridor-panel {
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025)),
    linear-gradient(90deg, rgba(143,183,201,.06), rgba(213,168,79,.05));
  padding: 32px;
  display: grid;
  align-content: center;
  gap: 24px;
}
.corridor-group h3 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--gold);
  margin-bottom: 14px;
}
.corridor-list {
  display: grid;
  gap: 10px;
}
.corridor-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 13px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 6px;
  background: rgba(255,255,255,.045);
}
.corridor-item strong { font-size: 14px; color: #fff; }
.corridor-item span { color: var(--muted); font-size: 12px; text-align: right; }
body[dir="rtl"] .corridor-item span { text-align: left; }
.form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; }
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.055);
  color: #fff;
  padding: 12px 13px;
  border-radius: 4px;
  font: inherit;
}
textarea, .wide { grid-column: 1 / -1; }
textarea { min-height: 120px; resize: vertical; }
footer { border-top: 1px solid var(--line); background: #05080c; }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 42px 22px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; }
.muted { color: var(--muted); }
[data-fa] { display: none; }
body.lang-fa [data-en] { display: none; }
body.lang-fa [data-fa] { display: initial; }
body.lang-fa p[data-fa], body.lang-fa span[data-fa], body.lang-fa strong[data-fa], body.lang-fa h1[data-fa], body.lang-fa h2[data-fa], body.lang-fa h3[data-fa], body.lang-fa div[data-fa] { display: block; }
body.lang-fa a[data-fa], body.lang-fa button[data-fa] { display: inline-flex; }
body.lang-fa form[data-fa] { display: grid; }
body:not(.lang-fa) .section-head .eyebrow[data-fa] { display: none; }
body.lang-fa .section-head .eyebrow[data-fa] { display: inline-block; }
@media (max-width: 900px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 16px 18px; }
  .links { justify-content: flex-start; }
  .hero { min-height: auto; }
  .stats, .grid-3, .grid-2, .grid-4, .split, .footer-inner { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .section-head p { margin-top: 14px; }
  .form { grid-template-columns: 1fr; }
  .hero::before { background-image: linear-gradient(180deg, rgba(7,11,16,.78), rgba(7,11,16,.72)); }
  body.lang-fa .hero::before { background-image: linear-gradient(180deg, rgba(7,11,16,.78), rgba(7,11,16,.72)); }
  body.lang-fa .hero .hero-inner { justify-items: stretch; }
  .hero .stats { margin-top: 28px; }
}
@media (max-width: 640px) {
  .hero-inner, .section, .page-hero-inner { padding: 46px 18px; }
  .page-hero { min-height: 460px; }
  .hero h1, .page-hero h1 { font-size: clamp(34px, 11vw, 48px); line-height: 1.1; }
  .lead { font-size: 18px; }
  .actions { width: 100%; }
  .btn { width: 100%; justify-content: center; }
  input, select, textarea { font-size: 16px; }
  .card-body { padding: 22px; }
  .links a { padding: 10px 11px; font-size: 14px; }
  .brand strong { font-size: 14px; }
}