/* ============================================================
   Khzaen International Investment — stylesheet
   Palette: deep marine ink, warm stone paper, muted brass + rust
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Public+Sans:wght@400;500;600&family=Markazi+Text:wght@500;600;700&family=IBM+Plex+Sans+Arabic:wght@400;500;600&display=swap');

:root{
  --ink: #10262B;
  --ink-2: #16333A;
  --paper: #EFE9DB;
  --paper-2: #E4DCC8;
  --line: #CBC0A2;
  --line-on-ink: rgba(239,233,219,0.22);
  --brass: #A9793C;
  --brass-bright: #C08F4E;
  --rust: #7B3B2A;
  --ink-soft: #47585A;
  --paper-soft: rgba(239,233,219,0.72);

  --serif-en: 'Fraunces', serif;
  --sans-en: 'Public Sans', sans-serif;
  --serif-ar: 'Markazi Text', serif;
  --sans-ar: 'IBM Plex Sans Arabic', sans-serif;

  --max: 1120px;
  --edge: 6vw;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }

html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; }
}

body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans-en);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

html[lang="ar"] body{ font-family:var(--sans-ar); }

h1,h2,h3,.display{
  font-family:var(--serif-en);
  font-weight:500;
  color:var(--ink);
  margin:0;
  letter-spacing:-0.01em;
}
html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3, html[lang="ar"] .display{
  font-family:var(--serif-ar);
  font-weight:700;
  letter-spacing:0;
}

p{ margin:0; }
a{ color:inherit; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; }

/* language toggling ------------------------------------------------ */
html[lang="en"] [data-ar]{ display:none; }
html[lang="ar"] [data-en]{ display:none; }
html[dir="rtl"] { direction:rtl; }

/* logical-property helpers so RTL flips automatically */
.wrap{
  max-width:var(--max);
  margin-inline:auto;
  padding-inline:var(--edge);
}

/* header ------------------------------------------------------------ */
.site-header{
  position:sticky; top:0; z-index:40;
  background:var(--paper-soft);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:16px;
}
.brand{ display:flex; flex-direction:column; line-height:1.1; }
.brand-logo{ display:block; height:52px; width:auto; }
.brand-logo-footer{ height:84px; margin-bottom:14px; }
.office-line{ margin:0; font-size:0.78rem; color:rgba(239,233,219,0.6); letter-spacing:0.02em; }
@media (max-width:860px){
  .brand-logo{ height:42px; }
  .brand-logo-footer{ height:64px; }
}

nav.primary-nav{ display:flex; align-items:center; gap:28px; }
nav.primary-nav a{
  text-decoration:none; font-size:0.92rem; color:var(--ink-2);
  position:relative; padding-block:4px;
}
nav.primary-nav a::after{
  content:""; position:absolute; inset-inline-start:0; bottom:-2px;
  width:0; height:1px; background:var(--brass); transition:width .25s ease;
}
nav.primary-nav a:hover::after{ width:100%; }

.lang-toggle{
  border:1px solid var(--ink); background:transparent; color:var(--ink);
  padding:7px 14px; border-radius:999px; font-size:0.82rem; cursor:pointer;
  transition:background .2s ease, color .2s ease;
}
.lang-toggle:hover{ background:var(--ink); color:var(--paper); }

.nav-cta{
  display:inline-block; background:var(--ink); color:var(--paper) !important;
  padding:9px 18px; border-radius:999px; font-size:0.85rem; text-decoration:none;
  margin-inline-start:6px;
}

.header-controls{ display:flex; align-items:center; gap:14px; }

.menu-btn{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.menu-btn span{ display:block; width:22px; height:1.5px; background:var(--ink); margin:5px 0; }

/* hero --------------------------------------------------------------- */
.hero{
  position:relative;
  padding-block:96px 72px;
  overflow:hidden;
}
.hero .wrap{ position:relative; z-index:2; }
.hero-motif{
  position:absolute; inset-inline-end:-6%; top:-8%;
  width:min(56vw, 720px); opacity:0.9; z-index:1;
  animation:riseIn 1.4s cubic-bezier(.16,1,.3,1) both;
}
@keyframes riseIn{
  from{ transform:translateY(26px); opacity:0; }
  to{ transform:translateY(0); opacity:0.9; }
}
.hero-inner{ max-width:640px; }
.hero h1{
  font-size:clamp(2.2rem, 4.6vw, 3.6rem);
  line-height:1.08;
  animation:fadeUp .9s cubic-bezier(.16,1,.3,1) both .1s;
}
html[lang="ar"] .hero h1{ line-height:1.3; font-size:clamp(2.1rem, 4.6vw, 3.5rem); }
.hero p.lede{
  margin-top:22px; font-size:1.08rem; color:var(--ink-2); max-width:52ch;
  animation:fadeUp .9s cubic-bezier(.16,1,.3,1) both .22s;
}
@keyframes fadeUp{ from{ opacity:0; transform:translateY(12px);} to{opacity:1; transform:translateY(0);} }

.hero-ctas{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 24px; border-radius:999px; font-size:0.95rem;
  text-decoration:none; cursor:pointer; border:1px solid transparent;
  transition:transform .18s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:var(--ink); color:var(--paper); }
.btn-primary:hover{ background:var(--ink-2); }
.btn-ghost{ border-color:var(--ink); color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:var(--paper); }

/* section rhythm ------------------------------------------------------ */
section{ padding-block:76px; }
.section-head{ max-width:640px; margin-bottom:44px; }
.section-head .kicker{
  display:block; font-size:0.9rem; color:var(--brass); margin-bottom:10px; font-family:var(--serif-en); font-style:italic;
}
html[lang="ar"] .section-head .kicker{ font-family:var(--serif-ar); font-style:normal; }
.section-head h2{ font-size:clamp(1.7rem, 3vw, 2.4rem); }
.section-head p{ margin-top:16px; color:var(--ink-soft); font-size:1.02rem; max-width:56ch; }

.rule{ border:none; border-top:1px solid var(--line); }

/* about / pillars ------------------------------------------------------ */
.about{ background:var(--paper); }
.about-grid{ display:grid; grid-template-columns:1.1fr 1fr; gap:64px; align-items:start; }
.about-body p{ font-size:1.05rem; color:var(--ink-2); max-width:52ch; }

.pillars{ display:flex; flex-direction:column; }
.pillar{ padding-block:22px; border-top:1px solid var(--line); }
.pillar:last-child{ border-bottom:1px solid var(--line); }
.pillar h3{ font-size:1.1rem; font-weight:600; margin-bottom:8px; }
.pillar p{ color:var(--ink-soft); font-size:0.96rem; }

/* what we do — numbered pipeline ---------------------------------------- */
.pipeline{ background:var(--ink); color:var(--paper); }
.pipeline .section-head h2{ color:var(--paper); }
.pipeline .section-head p{ color:rgba(239,233,219,0.72); }
.pipeline .section-head .kicker{ color:var(--brass-bright); }

.pipeline-list{ display:flex; flex-direction:column; }
.pipeline-item{
  display:grid; grid-template-columns:64px 1fr; gap:28px;
  padding-block:28px; border-top:1px solid var(--line-on-ink);
}
.pipeline-item:last-child{ border-bottom:1px solid var(--line-on-ink); }
.pipeline-num{
  font-family:var(--serif-en); font-size:1.6rem; color:var(--brass-bright); font-weight:500;
}
html[lang="ar"] .pipeline-num{ font-family:var(--serif-ar); }
.pipeline-item h3{ color:var(--paper); font-size:1.15rem; font-weight:600; margin-bottom:8px; }
.pipeline-item p{ color:rgba(239,233,219,0.78); max-width:58ch; font-size:0.98rem; }

/* sectors ---------------------------------------------------------------- */
.sectors{ background:var(--paper-2); position:relative; }
.sector-grid{
  display:grid; grid-template-columns:repeat(2, 1fr); gap:0;
  border-top:1px solid var(--line);
}
.sector-item{
  border-bottom:1px solid var(--line);
  padding:20px 4px;
  display:flex; align-items:baseline; justify-content:space-between; gap:12px;
}
.sector-item:nth-child(odd){ border-inline-end:1px solid var(--line); padding-inline-end:24px; }
.sector-item:nth-child(even){ padding-inline-start:24px; }
.sector-name{ font-size:1.02rem; font-weight:500; }
.sector-tag{ font-size:0.82rem; color:var(--ink-soft); white-space:nowrap; }

/* contact ------------------------------------------------------------------ */
.contact{ background:var(--paper); }
.contact-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:64px; }
.contact-info p{ color:var(--ink-soft); max-width:44ch; margin-top:14px; }
.contact-detail{ margin-top:30px; }
.contact-detail dt{ font-size:0.82rem; color:var(--ink-soft); margin-top:16px; }
.contact-detail dd{ margin:2px 0 0; font-size:1.02rem; }

form.contact-form{ display:flex; flex-direction:column; gap:16px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
label{ display:block; font-size:0.85rem; color:var(--ink-soft); margin-bottom:6px; }
input, select, textarea{
  width:100%; border:1px solid var(--line); background:transparent;
  padding:12px 14px; border-radius:8px; font-size:0.98rem; color:var(--ink);
  font-family:inherit;
}
input:focus, select:focus, textarea:focus{
  outline:2px solid var(--brass); outline-offset:1px; border-color:var(--brass);
}
textarea{ min-height:120px; resize:vertical; }
.form-note{ font-size:0.82rem; color:var(--ink-soft); margin-top:4px; }

/* footer --------------------------------------------------------------------- */
footer{ background:var(--ink); color:var(--paper); padding-block:44px; }
.footer-grid{ display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:24px; }

.footer-nav{ display:flex; gap:22px; flex-wrap:wrap; }
.footer-nav a{ text-decoration:none; color:rgba(239,233,219,0.78); font-size:0.9rem; }
.footer-meta{ width:100%; border-top:1px solid var(--line-on-ink); margin-top:28px; padding-top:18px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:0.8rem; color:rgba(239,233,219,0.55); }

/* responsive ------------------------------------------------------------------ */
@media (max-width:860px){
  nav.primary-nav{ display:none; }
  .menu-btn{ display:block; }
  .about-grid, .contact-grid{ grid-template-columns:1fr; gap:40px; }
  .sector-grid{ grid-template-columns:1fr; }
  .sector-item:nth-child(odd){ border-inline-end:none; padding-inline-end:4px; }
  .sector-item:nth-child(even){ padding-inline-start:4px; }
  .pipeline-item{ grid-template-columns:44px 1fr; gap:18px; }
  .form-row{ grid-template-columns:1fr; }
  .hero-motif{ width:80vw; opacity:0.35; top:-4%; }
}

/* mobile nav drawer ------------------------------------------------------------ */
.mobile-nav{
  display:none; flex-direction:column; gap:2px;
  background:var(--paper); border-bottom:1px solid var(--line);
  padding:8px var(--edge) 18px;
}
.mobile-nav.open{ display:flex; }
.mobile-nav a{ padding:12px 0; text-decoration:none; color:var(--ink); border-top:1px solid var(--line); font-size:0.98rem; }
.mobile-nav a:first-child{ border-top:none; }