/* ============================================================
   Petro Defense — mobile-first static theme
   Navy + brass-gold "Strategic Authority". Oswald / Inter / Cairo.
   ============================================================ */

:root{
  /* Monochrome near-black + white/silver — derived from the woven PD logo */
  --navy:#0A0A0B;          /* base near-black (token name kept for churn) */
  --navy-2:#101013;
  --panel:#141417;         /* raised panel */
  --panel-2:#191A1E;
  --gold:#CDD2D8;          /* platinum accent (lines, icons, active state) */
  --gold-soft:rgba(205,210,216,.10);
  --gold-line:rgba(205,210,216,.22);
  --accent-strong:#EFF1F3; /* bright white for CTAs / emphasis */
  --fg:#F4F5F7;
  --muted:#9298A1;
  --border:rgba(205,210,216,.12);
  --maxw:1180px;
  --pad:clamp(1.15rem,5vw,3rem);
  --radius:14px;
  --f-display:"Oswald",system-ui,sans-serif;
  --f-body:"Inter",system-ui,sans-serif;
  --f-ar:"Cairo",system-ui,sans-serif;
  --shadow:0 18px 40px -22px rgba(0,0,0,.75);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:74px;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  background:var(--navy);
  color:var(--fg);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
html[dir="rtl"] body{font-family:var(--f-ar)}

img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

h1,h2,h3,h4,.font-display{font-family:var(--f-display);font-weight:600;letter-spacing:.02em;line-height:1.15}
html[dir="rtl"] h1,html[dir="rtl"] h2,html[dir="rtl"] h3,html[dir="rtl"] h4{font-family:var(--f-ar);letter-spacing:0}

/* ---- injected line icons ---- */
[data-icon] svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ---- buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--f-display);font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  font-size:.86rem;padding:.85rem 1.5rem;border-radius:8px;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  min-height:46px;
}
html[dir="rtl"] .btn{letter-spacing:0;font-family:var(--f-ar)}
.btn--gold{background:var(--accent-strong);color:#0A0A0B;border-color:var(--accent-strong)}
.btn--gold:hover{transform:translateY(-2px);background:#fff}
.btn--ghost{background:transparent;color:var(--gold);border-color:var(--gold-line)}
.btn--ghost:hover{transform:translateY(-2px);border-color:var(--gold);background:var(--gold-soft)}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:sticky;top:0;z-index:60;
  background:transparent;transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
.header.is-scrolled{
  background:rgba(9,15,26,.92);backdrop-filter:blur(10px);
  box-shadow:0 1px 0 var(--gold-line),0 10px 30px -20px #000;
}
.header__inner{
  max-width:var(--maxw);margin:0 auto;padding:.7rem var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.brand{display:flex;align-items:center;gap:.6rem}
.brand__mark{width:38px;height:38px}
.brand__word{font-family:var(--f-display);font-weight:600;letter-spacing:.18em;font-size:.95rem;color:var(--fg)}

.header__actions{display:flex;align-items:center;gap:.6rem}
.lang-switch{display:inline-flex;border:1px solid var(--gold-line);border-radius:8px;overflow:hidden}
.lang-btn{
  font-family:var(--f-display);font-weight:600;letter-spacing:.06em;font-size:.8rem;
  background:transparent;color:var(--muted);border:none;padding:.45rem .7rem;min-width:42px;min-height:38px;cursor:pointer;transition:background .2s,color .2s;
}
.lang-btn + .lang-btn{border-inline-start:1px solid var(--gold-line)}
.lang-btn:hover{color:var(--fg);background:var(--gold-soft)}
.lang-btn.is-active{background:var(--accent-strong);color:#0A0A0B}

/* hamburger */
.nav-toggle{
  width:46px;height:40px;display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  background:transparent;border:1px solid var(--gold-line);border-radius:7px;cursor:pointer;padding:0 10px;
}
.nav-toggle span{height:2px;background:var(--gold);border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* nav — mobile drawer */
.nav{
  position:fixed;left:0;right:0;top:60px;
  background:rgba(11,20,36,.98);backdrop-filter:blur(12px);
  border-top:1px solid var(--gold-line);border-bottom:1px solid var(--gold-line);
  display:flex;flex-direction:column;padding:.5rem var(--pad) 1.25rem;gap:.25rem;
  transform:translateY(-130%);visibility:hidden;transition:transform .32s ease,visibility .32s ease;
}
.nav.is-open{transform:translateY(0);visibility:visible}
.nav a{
  font-family:var(--f-display);letter-spacing:.05em;font-size:1.05rem;color:var(--fg);
  padding:.85rem .25rem;border-bottom:1px solid rgba(255,255,255,.05);
}
html[dir="rtl"] .nav a{letter-spacing:0;font-family:var(--f-ar)}
.nav a:hover{color:var(--gold)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:92vh;min-height:92svh;display:flex;align-items:center;overflow:hidden}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero__overlay{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg, rgba(10,10,11,.22) 0%, rgba(10,10,11,.34) 45%, rgba(10,10,11,.72) 84%, var(--navy) 100%),
    linear-gradient(90deg, rgba(10,10,11,.60), rgba(10,10,11,.15) 55%, transparent 75%);
}
html[dir="rtl"] .hero__overlay{
  background:
    linear-gradient(180deg, rgba(10,10,11,.22) 0%, rgba(10,10,11,.34) 45%, rgba(10,10,11,.72) 84%, var(--navy) 100%),
    linear-gradient(270deg, rgba(10,10,11,.60), rgba(10,10,11,.15) 55%, transparent 75%);
}
.hero__inner{
  position:relative;z-index:2;max-width:var(--maxw);width:100%;margin:0 auto;padding:6rem var(--pad) 4rem;
  display:flex;flex-direction:column;align-items:flex-start;gap:1.15rem;
}
html[dir="rtl"] .hero__inner{align-items:flex-start;text-align:right}
.hero__logo{width:min(360px,78vw);height:auto}
.hero__label{font-family:var(--f-display);letter-spacing:.32em;font-size:.72rem;color:var(--gold);text-transform:uppercase}
html[dir="rtl"] .hero__label{letter-spacing:.12em}
.hero__tagline{font-family:var(--f-display);font-size:clamp(1.5rem,5.5vw,2.6rem);line-height:1.18;max-width:20ch}
.hero__lead{color:#d9dde3;font-size:clamp(1rem,2.6vw,1.15rem);max-width:52ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:.4rem}
html[dir="rtl"] .hero__cta{flex-direction:row-reverse}
.hero__scroll{
  margin-top:1.2rem;font-family:var(--f-display);letter-spacing:.14em;text-transform:uppercase;font-size:.75rem;color:var(--muted);
  display:inline-flex;align-items:center;gap:.5rem;
}
.hero__scroll::after{content:"";width:22px;height:22px;border-right:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(45deg);margin-top:-6px;animation:bounce 1.8s infinite}
@keyframes bounce{0%,100%{transform:rotate(45deg) translate(0,0)}50%{transform:rotate(45deg) translate(4px,4px)}}
@media (prefers-reduced-motion:reduce){.hero__scroll::after{animation:none}}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(3.2rem,9vw,6rem) var(--pad)}
.section--panel{max-width:none;background:var(--panel);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section--panel > *{max-width:var(--maxw);margin-inline:auto}
.section__head{margin-bottom:2.4rem}
.section__tag{font-family:var(--f-display);color:var(--gold);letter-spacing:.14em;font-size:.82rem;margin-bottom:.5rem}
html[dir="rtl"] .section__tag{letter-spacing:0}
.section__heading{font-size:clamp(1.7rem,4.6vw,2.5rem)}
.section__heading::after{content:"";display:block;width:56px;height:3px;background:var(--gold);margin-top:.9rem;border-radius:2px}
html[dir="rtl"] .section__heading::after{margin-inline-start:0}

/* ---- cards grid ---- */
.cards{display:grid;grid-template-columns:1fr;gap:1.4rem}
.card{
  background:var(--panel-2);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.section--panel .card{background:var(--navy-2)}
.card:hover{transform:translateY(-5px);border-color:var(--gold-line);box-shadow:var(--shadow)}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card__media img{transform:scale(1.05)}
.card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(18,29,51,.85))}
.card__icon{
  position:absolute;z-index:2;left:1rem;bottom:1rem;width:46px;height:46px;color:var(--gold);
  display:grid;place-items:center;
  background:rgba(10,10,11,.82);border:1px solid var(--gold-line);border-radius:10px;padding:9px;
}
html[dir="rtl"] .card__icon{left:auto;right:1rem}
.card h3{font-size:1.25rem;padding:1.3rem 1.4rem .2rem}
.card > p{color:var(--muted);padding:.5rem 1.4rem 1.6rem;font-size:.97rem}

/* ---- service cards ---- */
.card--service{padding:1.7rem 1.6rem 1.9rem}
.svc__head{display:flex;align-items:center;gap:.85rem;padding-bottom:1.15rem;margin-bottom:1.15rem;border-bottom:1px solid var(--gold-line)}
.svc__icon{flex:0 0 auto;width:44px;height:44px;display:grid;place-items:center;color:var(--gold);background:var(--gold-soft);border:1px solid var(--gold-line);border-radius:11px;padding:9px}
.svc__head h3{margin:0;font-size:1.15rem;line-height:1.22}
.group{padding-top:1rem;margin-top:1rem;border-top:1px solid rgba(255,255,255,.06)}
.group:first-of-type{border-top:none;margin-top:0}
.group h4{color:var(--gold);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.6rem}
html[dir="rtl"] .group h4{letter-spacing:0}
.group ul{display:flex;flex-direction:column;gap:.4rem}
.group li{position:relative;padding-inline-start:1.1rem;color:#c8ccd3;font-size:.92rem}
.group li::before{content:"";position:absolute;inset-inline-start:0;top:.62em;width:6px;height:6px;background:var(--gold);transform:rotate(45deg)}

/* ---- capabilities slideshow ---- */
.slideshow{margin-top:2.6rem;position:relative}
.slideshow__stage{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--border);aspect-ratio:16/9;background:var(--panel-2)}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;pointer-events:none}
.slide.is-active{opacity:1;pointer-events:auto}
.slide img{width:100%;height:100%;object-fit:cover}
.slideshow__stage::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 60%,rgba(10,10,11,.5))}
.slideshow__dots{display:flex;justify-content:center;gap:.55rem;margin-top:1.1rem}
.dot{width:9px;height:9px;border-radius:50%;border:1px solid var(--gold-line);background:transparent;cursor:pointer;padding:0;transition:transform .25s,background .25s,border-color .25s}
.dot:hover{border-color:var(--gold)}
.dot.is-active{background:var(--gold);border-color:var(--gold);transform:scale(1.2)}
@media (prefers-reduced-motion:reduce){.slide{transition:none}}

/* ============================================================
   STATS
   ============================================================ */
.stats{position:relative;overflow:hidden}
.stats__bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:grayscale(.4)}
.stats__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,20,36,.92),rgba(14,22,38,.95))}
.stats__inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:clamp(3rem,8vw,5rem) var(--pad);text-align:center}
.stats__heading{font-size:clamp(1.5rem,4.4vw,2.2rem);margin-bottom:2.4rem}
.stats__grid{display:grid;grid-template-columns:1fr;gap:2rem}
.stat{display:flex;flex-direction:column;align-items:center;gap:.4rem}
.stat + .stat{border-top:1px solid var(--gold-line);padding-top:2rem}
.stat__value{font-family:var(--f-display);font-size:clamp(3rem,11vw,4.2rem);color:var(--gold);line-height:1}
.stat__label{color:var(--muted);max-width:22ch;font-size:.98rem}

/* ============================================================
   TEAM
   ============================================================ */
.team-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem 1rem}
.person{text-align:center;display:flex;flex-direction:column;align-items:center;gap:.15rem}
.person__photo{
  width:clamp(96px,32vw,140px);aspect-ratio:1;border-radius:50%;overflow:hidden;
  border:2px solid var(--gold);padding:4px;margin-bottom:.7rem;background:var(--panel-2);
}
.person__photo img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.person h3{font-size:1rem;line-height:1.25}
.person p{color:var(--gold);font-size:.82rem;line-height:1.35}

/* ============================================================
   PARTNERS
   ============================================================ */
.partners{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem 1rem;align-items:start}
.partner{display:flex;flex-direction:column;gap:.75rem;align-items:center;margin:0}
.partners__logo{
  width:100%;background:#fff;border-radius:12px;padding:1.1rem;height:112px;
  display:flex;align-items:center;justify-content:center;
}
.partners__logo img{max-height:100%;width:auto;object-fit:contain}
.partner__name{font-family:var(--f-display);font-weight:500;font-size:.82rem;letter-spacing:.03em;color:var(--muted);text-align:center;line-height:1.3}
html[dir="rtl"] .partner__name{letter-spacing:0;font-family:var(--f-ar)}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{display:grid;grid-template-columns:1fr;gap:2.2rem}
.contact__lead{color:#d3d7dd;margin-bottom:.8rem}
.contact__list{display:flex;flex-direction:column;gap:1rem;margin-top:1.4rem}
.contact__list li{display:flex;gap:.9rem;align-items:flex-start}
.contact__ic{flex:0 0 auto;width:40px;height:40px;color:var(--gold);background:var(--gold-soft);border:1px solid var(--gold-line);border-radius:10px;padding:9px}
.contact__list b{display:block;font-family:var(--f-display);font-weight:600;letter-spacing:.04em;font-size:.78rem;color:var(--muted);text-transform:uppercase}
html[dir="rtl"] .contact__list b{letter-spacing:0}
.contact__list a,.contact__list span span{color:var(--fg)}
.contact__list a:hover{color:var(--gold)}
.contact__photo{margin-top:1.6rem;border-radius:var(--radius);border:1px solid var(--border);width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---- form ---- */
.form{display:flex;flex-direction:column;gap:1rem;background:var(--panel-2);border:1px solid var(--border);border-radius:var(--radius);padding:1.6rem}
.section--panel .form{background:var(--navy-2)}
.form label{display:flex;flex-direction:column;gap:.4rem;font-size:.82rem;color:var(--muted);font-weight:500}
.form input,.form textarea{
  font-family:inherit;font-size:1rem;color:var(--fg);background:var(--navy);
  border:1px solid var(--border);border-radius:9px;padding:.8rem .9rem;transition:border-color .2s,box-shadow .2s;
}
.form input::placeholder,.form textarea::placeholder{color:#5f6773}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-soft)}
.form textarea{resize:vertical;min-height:110px}
.form .btn{margin-top:.3rem}
.form-success{color:var(--gold);font-weight:500;background:var(--gold-soft);border:1px solid var(--gold-line);border-radius:9px;padding:.7rem .9rem}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--panel);border-top:1px solid var(--gold-line);margin-top:0}
.footer__inner{
  max-width:var(--maxw);margin:0 auto;padding:clamp(2.5rem,6vw,3.5rem) var(--pad);
  display:grid;grid-template-columns:1fr;gap:2rem;align-items:start;
}
.footer__brand{display:flex;align-items:center;gap:.7rem}
.newsletter__label{display:block;color:#cfd3d9;margin-bottom:.8rem;font-size:.98rem}
.newsletter__row{display:flex;gap:.6rem;flex-wrap:wrap}
.newsletter__row input{
  flex:1 1 200px;min-width:0;font-family:inherit;font-size:1rem;color:var(--fg);background:var(--navy);
  border:1px solid var(--border);border-radius:9px;padding:.75rem .9rem;
}
.newsletter__row input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-soft)}
.footer__nav{display:flex;gap:1.4rem;flex-wrap:wrap}
.footer__nav a{font-family:var(--f-display);letter-spacing:.05em;color:var(--muted)}
html[dir="rtl"] .footer__nav a{letter-spacing:0;font-family:var(--f-ar)}
.footer__nav a:hover{color:var(--gold)}
.footer__base{
  border-top:1px solid var(--border);
  max-width:var(--maxw);margin:0 auto;padding:1.1rem var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;color:var(--muted);font-size:.88rem;
}
.footer__ic{width:34px;height:34px;color:var(--gold);border:1px solid var(--gold-line);border-radius:8px;padding:7px;display:inline-flex}
.footer__ic:hover{background:var(--gold-soft)}

/* ============================================================
   REVEAL animation
   ============================================================ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ============================================================
   RESPONSIVE — scale up from mobile
   ============================================================ */
@media (min-width:640px){
  .cards--3{gap:1.6rem}
  .team-grid{grid-template-columns:repeat(3,1fr)}
  .partners{grid-template-columns:repeat(4,1fr)}
  .stats__grid{grid-template-columns:repeat(3,1fr)}
  .stat + .stat{border-top:none;padding-top:0;border-inline-start:1px solid var(--gold-line)}
  .footer__inner{grid-template-columns:1fr 1.4fr auto}
}
@media (min-width:860px){
  .contact{grid-template-columns:1.05fr .95fr;align-items:start}
  .cards--3{grid-template-columns:repeat(3,1fr);align-items:start}
}
@media (min-width:960px){
  html{scroll-padding-top:84px}
  .nav-toggle{display:none}
  .nav{
    position:static;transform:none;visibility:visible;background:none;backdrop-filter:none;
    border:none;flex-direction:row;padding:0;gap:1.8rem;
  }
  .nav a{border:none;padding:.4rem 0;font-size:.95rem;position:relative}
  .nav a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .25s}
  html[dir="rtl"] .nav a::after{transform-origin:right}
  .nav a:hover::after{transform:scaleX(1)}
}

/* small screens: free header space for the language switch */
@media (max-width:560px){
  .brand__word{display:none}
  .lang-switch{border-radius:7px}
  .lang-btn{min-width:34px;padding:.42rem .5rem;font-size:.72rem}
  .header__actions{gap:.45rem}
}