/* =========================================================
   ATLAS — عالم من عوالم MAHMOUD NOUR ELDIN
   عالم الشحن... على نظام واحد. — العنصر المميز: The Operating Map
   ========================================================= */
:root{
  --navy: #0B1730;
  --navy-2: #142544;
  --navy-3: #1C3255;
  --white: #FFFFFF;
  --paper: #F5F7FA;
  --ink: #12141C;
  --ink-soft: #545B6B;
  --ink-faint: #8B93A3;
  --line: rgba(18,20,28,.10);
  --line-strong: rgba(18,20,28,.16);
  --line-on-navy: rgba(255,255,255,.14);
  --line-on-navy-strong: rgba(255,255,255,.24);

  --cyan: #31D6C8;
  --cyan-deep: #1FB5A8;
  --steel: #5B6B85;

  --on-cyan: #E9FBF9;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 30px;
  --radius-pill: 999px;

  --shadow-sm: 0 3px 14px rgba(11,23,48,.10);
  --shadow-md: 0 14px 34px rgba(11,23,48,.18);
  --shadow-lg: 0 28px 70px rgba(11,23,48,.28);

  --font: "Cairo", "Segoe UI", Tahoma, sans-serif;
  --ease: cubic-bezier(.16,.8,.28,1);
  --dur-s: .3s;
  --dur-m: .6s;
  --dur-l: 1s;

  --container: 1320px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1,h2,h3,h4,p{ margin: 0; }
svg{ display: block; }
::selection{ background: var(--cyan); color: var(--navy); }
:focus-visible{ outline: 3px solid var(--cyan-deep); outline-offset: 3px; border-radius: 6px; }

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

.container{ width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }

.skip-link{
  position: absolute; right: 12px; top: -60px;
  background: var(--navy); color: var(--white);
  padding: 12px 18px; border-radius: var(--radius-sm);
  z-index: 999; transition: top var(--dur-s) var(--ease);
}
.skip-link:focus{ top: 12px; }

.eyebrow{
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--cyan-deep);
}
.eyebrow::before{ content:""; width:16px; height:1.5px; background: var(--cyan-deep); display:inline-block; }
.eyebrow.on-navy{ color: var(--cyan); }
.eyebrow.on-navy::before{ background: var(--cyan); }
.eyebrow.center{ justify-content:center; }

.section-title{
  font-weight: 800; font-size: clamp(28px, 4vw, 46px);
  line-height: 1.28; color: var(--ink); letter-spacing: -.01em;
}
.section-title.on-navy{ color: var(--white); }
.section-kicker{ color: var(--ink-soft); font-size: clamp(15.5px, 1.5vw, 17.5px); max-width: 54ch; margin-top: 12px; font-weight: 500; }
.section-kicker.on-navy{ color: rgba(255,255,255,.68); }

/* =========================================================
   Header
   ========================================================= */
.site-header{ position: sticky; top: 0; z-index: 100; padding-block: 14px; }
.header-inner{
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: var(--white); border: 1.5px solid var(--line); border-radius: var(--radius-pill);
  padding: 8px 12px 8px 22px; box-shadow: var(--shadow-sm);
}
.brand-lockup{ display: flex; align-items: center; gap: 12px; }
.brand-lockup .parent-logo{ height: 20px; width: auto; opacity: .45; }
.brand-lockup .sep{ width: 1px; height: 22px; background: var(--line-strong); }
.brand-lockup .world-logo{ height: 24px; width: auto; }

.main-nav{ display: flex; align-items: center; gap: 28px; }
.main-nav a{ font-size: 14.5px; font-weight: 700; color: var(--ink-soft); transition: color var(--dur-s) var(--ease); }
.main-nav a:hover, .main-nav a:focus-visible{ color: var(--ink); }

.header-actions{ display: flex; align-items: center; gap: 10px; }

.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 25px; border-radius: var(--radius-pill); font-size: 14px; font-weight: 700;
  transition: transform var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease), background var(--dur-s) var(--ease), color var(--dur-s) var(--ease);
  white-space: nowrap;
}
.btn-cyan{ background: var(--cyan); color: var(--navy); box-shadow: var(--shadow-sm); }
.btn-cyan:hover, .btn-cyan:focus-visible{ background: var(--cyan-deep); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-navy{ background: var(--navy); color: var(--white); }
.btn-navy:hover, .btn-navy:focus-visible{ background:#000; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline{ border: 1.5px solid var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover, .btn-outline:focus-visible{ background: var(--navy); color: var(--white); transform: translateY(-2px); }
.btn-outline-light{ border: 1.5px solid rgba(255,255,255,.55); color: var(--white); }
.btn-outline-light:hover, .btn-outline-light:focus-visible{ background: var(--white); color: var(--navy); border-color: var(--white); }
.btn-white{ background: var(--white); color: var(--navy); }
.btn-white:hover, .btn-white:focus-visible{ transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-sm{ padding: 10px 18px; font-size: 13px; }
.btn svg{ width: 16px; height: 16px; transition: transform var(--dur-s) var(--ease); }
.btn:hover svg{ transform: translateX(-4px); }

.nav-toggle{ display: none; width: 42px; height: 42px; border-radius: 50%; background: var(--navy); color: var(--white); align-items: center; justify-content: center; }
.nav-toggle svg{ width: 18px; height: 18px; }

/* =========================================================
   Hero
   ========================================================= */
.hero{ position: relative; padding-top: clamp(24px,3.5vw,40px); padding-bottom: clamp(28px,4vw,40px); overflow: hidden; }
.hero-shell{
  position: relative; border-radius: var(--radius-lg);
  overflow: hidden; min-height: clamp(560px, 84vh, 780px);
  background: radial-gradient(circle at 75% 20%, #16294D 0%, var(--navy) 55%);
  display: flex; align-items:center;
}
.hero-map-bg{ position:absolute; inset:0; opacity:.5; }
.hero-inner{ position: relative; z-index: 2; width: 100%; padding: clamp(28px,5vw,56px); text-align:center; }
.hero-logo{ height: clamp(34px,4.4vw,44px); width: auto; margin-inline:auto; }
.hero-copy{ color: var(--white); margin-top: 30px; max-width: 720px; margin-inline:auto; }
.hero-copy .eyebrow{ justify-content:center; margin-bottom: 18px; }
.hero-title{ font-weight: 800; font-size: clamp(32px,4.6vw,54px); line-height: 1.28; letter-spacing: -.01em; }
.hero-desc{ margin-top: 16px; font-size: clamp(15.5px,1.5vw,18px); color: rgba(255,255,255,.72); max-width: 56ch; margin-inline:auto; font-weight: 500; }
.hero-ctas{ margin-top: 28px; display: flex; align-items: center; justify-content:center; gap: 14px; flex-wrap: wrap; }

/* =========================================================
   Reveal
   ========================================================= */
[data-reveal]{ opacity:0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].is-visible{ opacity:1; transform: translateY(0); }
[data-reveal-stagger] > *{ opacity:0; transform: translateY(20px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
[data-reveal-stagger].is-visible > *{ opacity:1; transform: translateY(0); }
[data-reveal-stagger].is-visible > *:nth-child(1){ transition-delay:.04s; }
[data-reveal-stagger].is-visible > *:nth-child(2){ transition-delay:.12s; }
[data-reveal-stagger].is-visible > *:nth-child(3){ transition-delay:.2s; }
[data-reveal-stagger].is-visible > *:nth-child(4){ transition-delay:.28s; }
[data-reveal-stagger].is-visible > *:nth-child(5){ transition-delay:.36s; }
[data-reveal-stagger].is-visible > *:nth-child(6){ transition-delay:.44s; }

.section{ padding-block: clamp(52px,7vw,96px); }
.section-head{ max-width: 720px; }
.section-head.center{ text-align:center; margin-inline:auto; }

/* =========================================================
   Statement band — "مبني من قلب التشغيل"
   ========================================================= */
.statement-band{
  background: var(--navy); border-radius: var(--radius-lg);
  padding: clamp(34px,5vw,54px) clamp(24px,4vw,56px);
  text-align:center;
}
.statement-band h2{ color: var(--white); font-weight: 800; font-size: clamp(22px,3vw,32px); max-width: 30ch; margin-inline:auto; line-height:1.4; }
.statement-band p{ margin-top:12px; color: rgba(255,255,255,.6); font-size:14.5px; max-width:50ch; margin-inline:auto; font-weight:500; }

/* =========================================================
   The Operating Map
   ========================================================= */
.map-section{ background: var(--navy); border-radius: var(--radius-lg); padding: clamp(40px,6vw,64px) clamp(20px,4vw,48px); overflow:hidden; }
.map-wrap{ margin-top: 40px; position:relative; }
.op-map{ width:100%; height:auto; display:block; }
.op-node circle{ fill: var(--navy-2); stroke: var(--line-on-navy-strong); stroke-width: 1.5; }
.op-node.hub circle{ fill: var(--cyan); stroke: none; }
.op-node text{ fill: var(--white); font-family: var(--font); font-weight:700; text-anchor:middle; dominant-baseline:middle; }
.op-node.hub text{ fill: var(--navy); }
.op-role{ fill: rgba(255,255,255,.5); font-family: var(--font); font-size: 12px; font-weight:600; text-anchor:middle; }
.op-line{ stroke: var(--line-on-navy); stroke-width: 1.4; fill:none; }
.op-chip-bg{ fill: rgba(49,214,200,.14); stroke: rgba(49,214,200,.4); stroke-width:1; }
.op-chip-text{ fill: var(--cyan); font-family: var(--font); font-size: 12.5px; font-weight:700; text-anchor:middle; }
.op-chip{ opacity:0; transform-origin: center; animation: chipIn .8s var(--ease) forwards; }
.op-chip.d1{ animation-delay: .3s; }
.op-chip.d2{ animation-delay: .8s; }
.op-chip.d3{ animation-delay: 1.3s; }
.op-chip.d4{ animation-delay: 1.8s; }
.op-chip.d5{ animation-delay: 2.3s; }
@keyframes chipIn{ from{ opacity:0; transform: translateY(6px);} to{ opacity:1; transform: translateY(0);} }

.op-dot{ fill: var(--cyan); }
.op-dot.p1{ animation: movePath1 5s ease-in-out infinite; }
.op-dot.p2{ animation: movePath2 6.5s ease-in-out infinite; animation-delay: -2s; }
@keyframes movePath1{ 0%,100%{ transform: translate(0,0); opacity:0;} 8%{opacity:1;} 50%{ transform: translate(-70px,80px); opacity:1;} 58%{opacity:0;} }
@keyframes movePath2{ 0%,100%{ transform: translate(0,0); opacity:0;} 8%{opacity:1;} 50%{ transform: translate(70px,80px); opacity:1;} 58%{opacity:0;} }

@media (prefers-reduced-motion: reduce){
  .op-chip{ animation: none !important; opacity:1; }
  .op-dot{ animation: none !important; opacity: 0; }
}

.map-legend{ margin-top: 28px; display:flex; flex-wrap:wrap; gap: 10px; justify-content:center; }
.map-legend span{
  font-size:12.5px; font-weight:700; color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.06); border:1px solid var(--line-on-navy);
  padding: 7px 15px; border-radius: var(--radius-pill);
}

/* =========================================================
   Real Operations — photo + activity log
   ========================================================= */
.real-ops{ position:relative; border-radius: var(--radius-lg); overflow:hidden; min-height: clamp(380px,52vh,520px); display:flex; align-items:flex-end; }
.real-ops img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.real-ops::after{ content:""; position:absolute; inset:0; background: linear-gradient(to top, rgba(11,23,48,.7) 0%, rgba(11,23,48,.05) 55%); }
.real-ops-copy{ position:relative; z-index:1; padding: clamp(24px,3.4vw,40px); color:var(--white); max-width: 480px; }
.real-ops-copy h3{ font-weight:800; font-size: clamp(20px,2.4vw,26px); }
.real-ops-copy p{ margin-top:8px; color: rgba(255,255,255,.75); font-size:14px; font-weight:500; }

.activity-log{
  position: absolute; top: 28px; inset-inline-end: 28px; z-index:2;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-radius: var(--radius-md); padding: 18px 20px;
  box-shadow: var(--shadow-lg); width: 260px;
}
.activity-log h4{ font-size:12.5px; font-weight:800; color: var(--ink-soft); text-transform:uppercase; letter-spacing:.04em; }
.activity-log ul{ margin-top: 12px; display:flex; flex-direction:column; gap: 11px; }
.activity-log li{ display:flex; align-items:flex-start; gap:10px; font-size:12.5px; color: var(--ink); font-weight:600; }
.activity-log li .t{ font-size:11px; color: var(--ink-faint); font-weight:700; white-space:nowrap; margin-top:1px; }
.activity-log li .dot{ width:6px; height:6px; border-radius:50%; background: var(--cyan-deep); margin-top:5px; flex-shrink:0; }

@media (max-width: 720px){
  .activity-log{ position:static; width:auto; margin: -30px 16px 16px; }
}

/* =========================================================
   System Units — composable, no badges
   ========================================================= */
.units-grid{ display:grid; grid-template-columns: repeat(6,1fr); gap: 16px; }
.unit-card{
  position:relative; border-radius: var(--radius-md); padding: 26px 22px;
  background: var(--white); border: 1.5px solid var(--line);
  transition: transform var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease);
}
.unit-card:hover{ transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.unit-card h3{ font-weight:800; font-size:17px; color: var(--ink); }
.unit-card p{ margin-top:8px; font-size:13.5px; color: var(--ink-soft); font-weight:500; line-height:1.6; }
.unit-card .unit-screen{
  margin-top:16px; border-radius: var(--radius-sm); overflow:hidden;
  aspect-ratio: 16/10; background: linear-gradient(150deg, var(--navy) 0%, var(--navy-3) 100%);
  position:relative;
}
.unit-card .unit-screen svg{ width:100%; height:100%; }
.unit-connector{
  position:absolute; width: 16px; height:16px; border-radius:50%;
  background: var(--paper); border: 3px solid var(--cyan);
  top:50%; transform: translateY(-50%);
}
.unit-connector.left{ inset-inline-start: -8px; }
.unit-connector.right{ inset-inline-end: -8px; }

.unit-big{ grid-column: span 3; }
.unit-mid{ grid-column: span 3; }
.unit-small{ grid-column: span 2; }

/* =========================================================
   Atlas Vision — distinct treatment
   ========================================================= */
.vision-section{
  border-radius: var(--radius-lg);
  padding: clamp(44px,6vw,72px) clamp(24px,4.5vw,56px);
  background: linear-gradient(155deg, var(--paper) 0%, #E4EAF2 100%);
  border: 1.5px solid var(--line);
}
.vision-grid{ display:grid; grid-template-columns: .9fr 1.1fr; gap: clamp(28px,4vw,56px); align-items:center; }
.vision-copy h2{ font-weight:800; font-size: clamp(24px,3.2vw,36px); color: var(--ink); line-height:1.35; }
.vision-copy p{ margin-top:14px; color: var(--ink-soft); font-size:15.5px; font-weight:500; max-width:48ch; }
.vision-list{ display:flex; flex-direction:column; gap: 14px; }
.vision-item{ display:flex; align-items:flex-start; gap:14px; }
.vision-item .ic{ width:38px; height:38px; border-radius:10px; background: var(--white); border:1.5px solid var(--line); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.vision-item .ic svg{ width:18px; height:18px; color: var(--cyan-deep); }
.vision-item h4{ font-weight:700; font-size:14.5px; color: var(--ink); }
.vision-item p{ margin-top:3px; font-size:13px; color: var(--ink-soft); font-weight:500; }

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

/* =========================================================
   Modularity strip
   ========================================================= */
.modular-strip{ display:flex; align-items:center; justify-content:center; gap: 4px; flex-wrap:wrap; margin-top: 40px; }
.modular-piece{
  padding: 14px 22px; border-radius: var(--radius-sm);
  background: var(--white); border: 1.5px dashed var(--line-strong);
  font-size: 13.5px; font-weight:700; color: var(--ink-soft);
}
.modular-piece.core{ background: var(--navy); color: var(--white); border-style:solid; border-color: var(--navy); }
.modular-plus{ color: var(--ink-faint); font-size: 16px; font-weight:800; padding-inline: 4px; }

/* =========================================================
   CTA + Closing
   ========================================================= */
.closing{
  position: relative; border-radius: var(--radius-lg);
  padding: clamp(56px,8vw,92px) clamp(24px,5vw,64px);
  background: var(--navy);
  color: var(--white); text-align: center; overflow: hidden;
}
.closing::before{ content:""; position:absolute; width:420px; height:420px; border-radius:50%; background: var(--cyan); opacity:.1; top:-200px; inset-inline-end:-140px; }
.closing-inner{ position:relative; z-index:1; }
.closing-logo{ height: 30px; width:auto; margin-inline:auto; }
.closing h2{ font-weight:800; font-size: clamp(24px,3.4vw,36px); margin-top:24px; line-height:1.4; }
.closing p{ margin-top:12px; color: rgba(255,255,255,.6); font-size:15px; font-weight:500; }
.closing .btn{ margin-top: 28px; }
.closing-sign{ margin-top: 32px; font-size:12.5px; color: rgba(255,255,255,.5); font-weight:600; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ padding-block: clamp(30px,4vw,42px) 20px; }
.footer-row{ display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; font-size:13px; color: var(--ink-faint); }
.footer-row a{ font-weight:700; color: var(--ink-soft); }
.footer-row a:hover{ color: var(--cyan-deep); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .main-nav{ display:none; }
  .header-actions .btn-cyan{ display:none; }
  .nav-toggle{ display:inline-flex; }

  .units-grid{ grid-template-columns: repeat(2,1fr); }
  .unit-big, .unit-mid, .unit-small{ grid-column: span 1; }
  .unit-connector{ display:none; }
}

@media (max-width: 640px){
  .container{ padding-inline: 18px; }
  .header-inner{ padding: 7px 7px 7px 14px; }
  .brand-lockup .parent-logo, .brand-lockup .sep{ display:none; }
  .hero-ctas{ flex-direction: column; align-items: stretch; }
  .hero-ctas .btn{ width:100%; }
  .units-grid{ grid-template-columns: 1fr; }
  .modular-piece{ font-size:12.5px; padding:12px 16px; }
}

/* Mobile nav drawer */
.mobile-nav{
  position: fixed; inset: 0; background: var(--navy); z-index: 200;
  display:flex; flex-direction:column; padding:20px;
  transform: translateY(-100%); transition: transform var(--dur-m) var(--ease); visibility: hidden;
}
.mobile-nav.is-open{ transform: translateY(0); visibility: visible; }
.mobile-nav__top{ display:flex; align-items:center; justify-content:space-between; }
.mobile-nav__top .world-logo{ height:22px; }
.mobile-nav__close{ width:42px; height:42px; border-radius:50%; border:1.5px solid rgba(255,255,255,.3); color:var(--white); display:flex; align-items:center; justify-content:center; }
.mobile-nav__close svg{ width:18px; height:18px; }
.mobile-nav__links{ display:flex; flex-direction:column; gap:4px; margin-top:48px; }
.mobile-nav__links a{ font-size: 27px; font-weight:800; color: var(--white); padding-block: 13px; border-bottom: 1px solid rgba(255,255,255,.14); }
.mobile-nav__cta{ margin-top: 30px; }