/* ============================================================================
   DESIGN HORIZON — Engineering Consultancy  ·  design system v2
   ----------------------------------------------------------------------------
   Direction: "Swiss-modernist drafting studio" — strict grid discipline,
   oversized confident typography, extreme whitespace, a single gold accent on
   deep navy, and a signature self-drawing architectural blueprint. Agency-grade
   detailing: film grain, magnetic buttons, count-up stats, double-bezel.
   Colors are taken from the company logo (navy / taupe-gold / cream).
   ========================================================================== */

/* ---------------------------------------------------------------------------
   1. TOKENS  (edit colors here once and the whole site updates)
   --------------------------------------------------------------------------- */
:root {
  --navy:        oklch(0.31 0.045 252);   /* #21324F  primary */
  --navy-700:    oklch(0.255 0.045 252);
  --navy-900:    oklch(0.17 0.032 252);   /* deepest navy (hero base) */
  --navy-950:    oklch(0.135 0.028 252);
  --navy-300:    oklch(0.46 0.045 252);

  --gold:        oklch(0.72 0.045 82);    /* #A99B82 taupe/gold accent */
  --gold-bright: oklch(0.82 0.065 84);
  --gold-deep:   oklch(0.62 0.045 80);
  --gold-line:   oklch(0.72 0.045 82 / 0.30);

  --cream:       oklch(0.945 0.010 80);   /* #ECE5DA paper surface */
  --cream-soft:  oklch(0.965 0.008 80);
  --paper:       oklch(0.987 0.004 85);

  --ink:         oklch(0.235 0.030 252);
  --ink-soft:    oklch(0.43 0.026 252);
  --on-navy:     oklch(0.965 0.008 80);
  --on-navy-soft:oklch(0.80 0.014 82);

  --bg:        var(--paper);
  --surface:   var(--cream);
  --text:      var(--ink);
  --text-soft: var(--ink-soft);
  --accent:    var(--gold);

  /* Typography — premium, non-default stack */
  --font-display: "Clash Display", "Archivo", system-ui, sans-serif;  /* headings */
  --font-ui:      "General Sans", "Archivo", system-ui, sans-serif;   /* nav, labels, buttons */
  --font-body:    "General Sans", system-ui, sans-serif;              /* body — clean & corporate */
  --font-ar:      "Readex Pro", system-ui, sans-serif;                 /* Arabic */

  /* Fluid type scale */
  --step--2: clamp(0.72rem, 0.70rem + 0.10vw, 0.78rem);
  --step--1: clamp(0.83rem, 0.80rem + 0.15vw, 0.92rem);
  --step-0:  clamp(1rem, 0.96rem + 0.22vw, 1.13rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --step-2:  clamp(1.5rem, 1.3rem + 1vw, 2.2rem);
  --step-3:  clamp(1.9rem, 1.55rem + 1.7vw, 3rem);
  --step-4:  clamp(2.3rem, 1.7rem + 3vw, 4.2rem);
  --step-5:  clamp(2.9rem, 1.9rem + 5vw, 5.6rem);
  --step-6:  clamp(3.4rem, 2rem + 7vw, 7rem);

  --sp-1: 0.5rem;  --sp-2: 0.75rem; --sp-3: 1rem;   --sp-4: 1.5rem;
  --sp-5: 2rem;    --sp-6: 3rem;    --sp-7: 4.5rem;  --sp-8: 6.5rem; --sp-9: 9rem;

  --container: 1240px;
  --container-narrow: 760px;
  --radius: 14px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px oklch(0.31 0.045 252 / 0.06), 0 6px 16px oklch(0.31 0.045 252 / 0.06);
  --shadow-md: 0 6px 18px oklch(0.31 0.045 252 / 0.09), 0 24px 50px oklch(0.31 0.045 252 / 0.11);
  --shadow-lg: 0 12px 36px oklch(0.135 0.028 252 / 0.22), 0 40px 90px oklch(0.135 0.028 252 / 0.24);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.16, 1, 0.3, 1);

  --z-blueprint: 0; --z-base: 1; --z-grain: 60; --z-nav: 200; --z-menu: 400;
}

/* ---------------------------------------------------------------------------
   2. RESET / BASE
   --------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

/* Film-grain overlay — fixed, never repaints with scroll */
body::after {
  content: ""; position: fixed; inset: 0; z-index: var(--z-grain);
  pointer-events: none; opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (prefers-reduced-motion: reduce) { body::after { display: none; } }

/* Arabic mode */
html[lang="ar"] body { font-family: var(--font-ar); line-height: 1.85; }
html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3, html[lang="ar"] h4,
html[lang="ar"] .nav__brand b, html[lang="ar"] .marquee { font-family: var(--font-ar); }

img, svg, picture, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--gold); color: var(--navy-900); }

/* ---------------------------------------------------------------------------
   3. TYPOGRAPHY
   --------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: -0.02em;
  text-wrap: balance;
  color: var(--text);
}
h1 { font-size: var(--step-5); font-weight: 600; }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); letter-spacing: -0.01em; }
p  { text-wrap: pretty; max-width: 68ch; }

html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3, html[lang="ar"] h4 {
  letter-spacing: 0; line-height: 1.28; font-weight: 700;
}

.eyebrow {
  font-family: var(--font-ui); font-size: var(--step--1); font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent);
  display: inline-flex; align-items: center; gap: 0.7em;
}
.eyebrow::before { content: ""; width: 30px; height: 1px; background: currentColor; display: inline-block; opacity: 0.7; }
html[lang="ar"] .eyebrow { letter-spacing: 0.04em; text-transform: none; }

.lead { font-size: var(--step-1); color: var(--text-soft); line-height: 1.55; font-family: var(--font-body); }

/* gold accent word (outlined, premium) */
.accent-word { color: var(--gold); }

/* ---------------------------------------------------------------------------
   4. LAYOUT
   --------------------------------------------------------------------------- */
.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.container-narrow { width: min(100% - 2.5rem, var(--container-narrow)); margin-inline: auto; }
section { position: relative; }
.section-pad { padding-block: clamp(4.5rem, 3rem + 9vw, 9.5rem); }
.stack > * + * { margin-top: var(--sp-4); }

/* ---------------------------------------------------------------------------
   5. BLUEPRINT MOTIF
   --------------------------------------------------------------------------- */
.blueprint {
  position: absolute; inset: 0; z-index: var(--z-blueprint); pointer-events: none;
  background-image:
    linear-gradient(var(--gold-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--gold-line) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(125% 95% at 70% 0%, #000 30%, transparent 80%);
          mask-image: radial-gradient(125% 95% at 70% 0%, #000 30%, transparent 80%);
  opacity: 0.55;
}
.blueprint--fine { background-size: 30px 30px; opacity: 0.32; }

/* ---------------------------------------------------------------------------
   6. BUTTONS  (pill + nested "button-in-button" + magnetic)
   --------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--gold); --btn-fg: var(--navy-900);
  font-family: var(--font-ui); font-weight: 600; font-size: var(--step-0); letter-spacing: 0.005em;
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.9rem 1.15rem 0.9rem 1.55rem;
  background: var(--btn-bg); color: var(--btn-fg);
  border-radius: var(--radius-pill);
  transition: transform 0.5s var(--ease-soft), background-color 0.3s var(--ease), box-shadow 0.5s var(--ease);
  box-shadow: var(--shadow-sm); will-change: transform;
}
html[dir="rtl"] .btn { padding: 0.9rem 1.55rem 0.9rem 1.15rem; }
.btn:hover { background: var(--gold-bright); box-shadow: var(--shadow-md); }
.btn:active { transform: scale(0.97); }
.btn__icon {
  width: 2.05rem; height: 2.05rem; border-radius: 50%;
  background: oklch(0.17 0.032 252 / 0.14); display: grid; place-items: center;
  transition: transform 0.5s var(--ease-soft);
}
.btn:hover .btn__icon { transform: translate(3px, -1px) scale(1.06); }
html[dir="rtl"] .btn:hover .btn__icon { transform: translate(-3px, -1px) scale(1.06); }
html[dir="rtl"] .btn__icon svg { transform: scaleX(-1); }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--on-navy); box-shadow: inset 0 0 0 1px oklch(0.965 0.008 80 / 0.24); }
.btn--ghost:hover { --btn-bg: oklch(0.965 0.008 80 / 0.08); box-shadow: inset 0 0 0 1px oklch(0.965 0.008 80 / 0.45); }
.btn--ghost .btn__icon { background: oklch(0.965 0.008 80 / 0.14); }
.btn--dark { --btn-bg: var(--navy); --btn-fg: var(--on-navy); }
.btn--dark:hover { --btn-bg: var(--navy-700); }
.btn--dark .btn__icon { background: oklch(0.965 0.008 80 / 0.16); }

/* ---------------------------------------------------------------------------
   7. NAVIGATION
   --------------------------------------------------------------------------- */
.nav-wrap { position: fixed; inset-inline: 0; top: 0; z-index: var(--z-nav); display: flex; justify-content: center; padding: clamp(0.7rem, 0.5rem + 1vw, 1.3rem) 1rem; pointer-events: none; }
.nav {
  pointer-events: auto; width: min(100%, var(--container));
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.5rem 0.55rem 0.5rem 1.1rem;
  background: oklch(0.987 0.004 85 / 0.7);
  -webkit-backdrop-filter: blur(18px) saturate(150%); backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid oklch(0.31 0.045 252 / 0.08); border-radius: var(--radius-pill); box-shadow: var(--shadow-sm);
  transition: background-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
html[dir="rtl"] .nav { padding: 0.5rem 1.1rem 0.5rem 0.55rem; }
.nav.is-scrolled { box-shadow: var(--shadow-md); background: oklch(0.987 0.004 85 / 0.9); }
.nav__brand { display: flex; align-items: center; gap: 0.6rem; }
.nav__brand img { width: 36px; height: 36px; }
.nav__brand b { font-family: var(--font-display); font-weight: 600; letter-spacing: 0; font-size: 1.05rem; line-height: 1; color: var(--navy); white-space: nowrap; }
.nav__brand span span { display: block; font-family: var(--font-ui); font-size: 0.58rem; letter-spacing: 0.2em; color: var(--gold-deep); text-transform: uppercase; margin-top: 3px; }
html[lang="ar"] .nav__brand span span { letter-spacing: 0; }
.nav__links { display: flex; align-items: center; gap: 0.2rem; font-family: var(--font-ui); font-size: 0.95rem; }
.nav__links a { padding: 0.5rem 0.85rem; border-radius: var(--radius-pill); color: var(--ink-soft); font-weight: 500; transition: color 0.25s var(--ease), background-color 0.25s var(--ease); }
.nav__links a:hover, .nav__links a.is-active { color: var(--navy); background: oklch(0.72 0.045 82 / 0.16); }
.nav__actions { display: flex; align-items: center; gap: 0.5rem; }
.lang-toggle { font-family: var(--font-ui); font-weight: 600; font-size: 0.85rem; padding: 0.5rem 0.85rem; border-radius: var(--radius-pill); color: var(--navy); border: 1px solid oklch(0.31 0.045 252 / 0.16); transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease); }
.lang-toggle:hover { background: oklch(0.72 0.045 82 / 0.18); border-color: var(--gold); }
.nav__burger { display: none; }

@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4.5px; width: 2.5rem; height: 2.5rem; border-radius: 50%; background: oklch(0.72 0.045 82 / 0.18); }
  .nav__burger span { display: block; width: 20px; height: 2.5px; background: var(--navy); border-radius: 99px; transition: transform 0.35s var(--ease), opacity 0.25s var(--ease); }
  .nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 430px) { .nav__brand span span { display: none; } .nav__brand b { font-size: 0.98rem; } }

.menu { position: fixed; inset: 0; z-index: var(--z-menu); background: oklch(0.135 0.028 252 / 0.98); -webkit-backdrop-filter: blur(22px); backdrop-filter: blur(22px); display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 0.4rem; opacity: 0; visibility: hidden; transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease); }
.menu.is-open { opacity: 1; visibility: visible; }
.menu a { font-family: var(--font-display); font-weight: 500; font-size: clamp(2rem, 9vw, 3.4rem); color: var(--on-navy); letter-spacing: -0.01em; transform: translateY(26px); opacity: 0; transition: transform 0.6s var(--ease), opacity 0.6s var(--ease), color 0.25s var(--ease); }
html[lang="ar"] .menu a { font-family: var(--font-ar); }
.menu.is-open a { transform: translateY(0); opacity: 1; }
.menu.is-open a:nth-child(1){transition-delay:.08s}.menu.is-open a:nth-child(2){transition-delay:.14s}.menu.is-open a:nth-child(3){transition-delay:.20s}.menu.is-open a:nth-child(4){transition-delay:.26s}.menu.is-open a:nth-child(5){transition-delay:.32s}
.menu a:hover { color: var(--gold); }
.menu__lang { margin-top: 1.6rem; color: var(--on-navy-soft); border-color: oklch(0.965 0.008 80 / 0.25) !important; }

/* ---------------------------------------------------------------------------
   8. HERO
   --------------------------------------------------------------------------- */
.hero {
  position: relative; isolation: isolate; min-height: 100svh; display: flex; align-items: center;
  background:
    radial-gradient(110% 110% at 78% -5%, oklch(0.46 0.045 252 / 0.6), transparent 52%),
    radial-gradient(80% 80% at 12% 110%, oklch(0.72 0.045 82 / 0.12), transparent 60%),
    linear-gradient(165deg, var(--navy-950), var(--navy-700));
  color: var(--on-navy);
  padding-block: clamp(8rem, 6rem + 6vw, 9rem) clamp(3rem, 2rem + 4vw, 5rem);
  overflow: hidden;
}
.hero__inner { position: relative; z-index: var(--z-base); display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
@media (max-width: 900px) { .hero__inner { grid-template-columns: 1fr; } }

.hero h1 { color: var(--on-navy); font-size: var(--step-6); line-height: 0.98; max-width: 15ch; }
.hero h1 span { display: block; }
.hero .lead { color: var(--on-navy-soft); max-width: 42ch; margin-top: var(--sp-4); }
.hero__tag { color: var(--gold); font-weight: 500; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: var(--sp-5); }
.hero__meta { display: flex; gap: clamp(1.5rem, 4vw, 3.2rem); margin-top: var(--sp-6); flex-wrap: wrap; }
.hero__meta div { display: flex; flex-direction: column; }
.hero__meta b { font-family: var(--font-display); font-weight: 600; font-size: var(--step-2); color: var(--on-navy); letter-spacing: -0.02em; }
.hero__meta small { font-family: var(--font-ui); font-size: var(--step--1); color: var(--on-navy-soft); letter-spacing: 0.03em; margin-top: 2px; }

.hero__figure { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.hero__figure svg { width: 100%; height: auto; filter: drop-shadow(0 24px 60px oklch(0.135 0.028 252 / 0.7)); }
@media (max-width: 900px) { .hero__figure { max-width: 360px; margin-inline: auto; opacity: 0.92; } }

/* self-drawing strokes */
.draw { stroke-dasharray: 1; stroke-dashoffset: 1; }
html.js .draw { animation: draw 2.2s var(--ease-soft) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) { html.js .draw { animation: none; stroke-dashoffset: 0; } }

/* vertical side label */
.hero__side { position: absolute; right: clamp(0.5rem, 2vw, 1.5rem); top: 50%; z-index: var(--z-base); writing-mode: vertical-rl; transform: translateY(-50%); font-family: var(--font-ui); font-size: var(--step--2); letter-spacing: 0.35em; text-transform: uppercase; color: var(--on-navy-soft); opacity: 0.7; }
html[dir="rtl"] .hero__side { right: auto; left: clamp(0.5rem, 2vw, 1.5rem); writing-mode: vertical-rl; letter-spacing: 0.1em; text-transform: none; }
@media (max-width: 1100px) { .hero__side { display: none; } }

/* scroll cue */
.scroll-cue { position: absolute; inset-inline: 0; bottom: clamp(1rem, 3vw, 2rem); z-index: var(--z-base); display: flex; justify-content: center; }
.scroll-cue span { font-family: var(--font-ui); font-size: var(--step--2); letter-spacing: 0.3em; text-transform: uppercase; color: var(--on-navy-soft); display: inline-flex; align-items: center; gap: 0.6rem; }
html[lang="ar"] .scroll-cue span { letter-spacing: 0.05em; text-transform: none; }
.scroll-cue i { width: 1px; height: 28px; background: linear-gradient(var(--gold), transparent); display: block; transform-origin: top; animation: cue 1.8s var(--ease-soft) infinite; }
@keyframes cue { 0%{transform:scaleY(0);opacity:0} 40%{transform:scaleY(1);opacity:1} 100%{transform:scaleY(0);opacity:0;transform-origin:bottom} }
@media (prefers-reduced-motion: reduce) { .scroll-cue i { animation: none; } }

/* ---------------------------------------------------------------------------
   9. MARQUEE (disciplines ticker)
   --------------------------------------------------------------------------- */
.marquee { background: var(--navy-900); color: var(--on-navy); overflow: hidden; border-block: 1px solid oklch(0.965 0.008 80 / 0.1); padding-block: clamp(0.9rem, 1.4vw, 1.25rem); }
/* direction:ltr keeps the track laid out left-to-right in BOTH languages so it
   never overflows off-screen in RTL (Arabic text still renders RTL inside each item) */
.marquee__track { display: flex; gap: 0; width: max-content; direction: ltr; animation: scrollx 32s linear infinite; will-change: transform; backface-visibility: hidden; }
@media (hover: hover) { .marquee:hover .marquee__track { animation-play-state: paused; } }
.marquee__item { font-family: var(--font-ui); font-weight: 600; font-size: clamp(0.82rem, 0.72rem + 0.4vw, 1rem); letter-spacing: 0.16em; text-transform: uppercase; padding-inline: clamp(1rem, 2.5vw, 2rem); display: inline-flex; align-items: center; gap: clamp(1rem,2.5vw,2rem); color: var(--on-navy-soft); white-space: nowrap; }
.marquee__item::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); flex: none; }
html[lang="ar"] .marquee__item { letter-spacing: 0; text-transform: none; font-family: var(--font-ar); }
@keyframes scrollx { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---------------------------------------------------------------------------
   10. DOUBLE-BEZEL surface (machined-hardware feel)
   --------------------------------------------------------------------------- */
.bezel { background: oklch(0.72 0.045 82 / 0.10); border: 1px solid var(--gold-line); border-radius: var(--radius-lg); padding: 7px; }
.bezel__core { border-radius: calc(var(--radius-lg) - 7px); box-shadow: inset 0 1px 1px oklch(0.965 0.008 80 / 0.12); overflow: hidden; }

/* ---------------------------------------------------------------------------
   11. SERVICES (numbered rows)
   --------------------------------------------------------------------------- */
.services { background: var(--navy); color: var(--on-navy); }
.svc-row { position: relative; display: grid; grid-template-columns: 4.5rem 1fr auto; gap: clamp(1rem, 3vw, 2.5rem); align-items: center; padding: clamp(1.6rem, 3vw, 2.8rem) 0; border-top: 1px solid oklch(0.965 0.008 80 / 0.13); transition: padding-inline-start 0.5s var(--ease); }
.svc-row:last-child { border-bottom: 1px solid oklch(0.965 0.008 80 / 0.13); }
.svc-row::before { content: ""; position: absolute; inset-inline-start: 0; bottom: -1px; height: 1px; width: 0; background: var(--gold); transition: width 0.6s var(--ease); }
.svc-row:hover::before { width: 100%; }
.svc-row__num { font-family: var(--font-ui); font-size: var(--step-1); color: var(--gold); font-weight: 600; transition: transform 0.5s var(--ease); }
.svc-row:hover .svc-row__num { transform: translateY(-4px); }
.svc-row__body h3 { color: var(--on-navy); }
.svc-row__body p { color: var(--on-navy-soft); margin-top: 0.5rem; max-width: 60ch; }
.svc-row__icon { width: 3.4rem; height: 3.4rem; color: var(--gold); opacity: 0.85; transition: transform 0.6s var(--ease), opacity 0.4s var(--ease); }
.svc-row:hover .svc-row__icon { transform: rotate(-8deg) scale(1.05); opacity: 1; }
.svc-row:hover { padding-inline-start: clamp(0.5rem, 2vw, 1.5rem); }
@media (max-width: 720px) { .svc-row { grid-template-columns: 3rem 1fr; } .svc-row__icon { display: none; } }

/* ---------------------------------------------------------------------------
   12. SPLIT / WHY-US / STATS
   --------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.why-list { display: grid; gap: 1.2rem; margin-top: var(--sp-5); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.why-item { display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start; }
.why-item__mark { width: 2.5rem; height: 2.5rem; flex: none; border-radius: 11px; display: grid; place-items: center; color: var(--navy); background: oklch(0.72 0.045 82 / 0.2); border: 1px solid var(--gold-line); }
.why-item h4 { margin-bottom: 0.2rem; }
.why-item p { color: var(--text-soft); font-size: var(--step-0); }

.stat-frame { position: relative; padding: clamp(1.9rem, 4vw, 3.2rem); background: linear-gradient(160deg, var(--navy-950), var(--navy-700)); color: var(--on-navy); border-radius: calc(var(--radius-lg) - 7px); overflow: hidden; }
.stat-frame .big { font-family: var(--font-display); font-weight: 600; font-size: clamp(4rem, 3rem + 7vw, 7rem); line-height: 0.85; letter-spacing: -0.03em; color: var(--gold); }
.stat-frame .big-label { font-family: var(--font-ui); color: var(--on-navy); font-size: var(--step-1); margin-top: 0.6rem; }
.stat-frame p { color: var(--on-navy-soft); margin-top: 1rem; }

/* ---------------------------------------------------------------------------
   13. PROJECTS gallery
   --------------------------------------------------------------------------- */
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; margin-top: var(--sp-6); }
.proj { position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden; background: var(--cream); box-shadow: var(--shadow-sm); isolation: isolate; }
.proj:first-child { grid-column: span 2; aspect-ratio: 16 / 10; }
@media (max-width: 720px) { .proj:first-child { grid-column: span 1; aspect-ratio: 4/3; } }
/* homepage: two equal project covers */
.gallery.home2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.gallery.home2 .proj, .gallery.home2 .proj:first-child { grid-column: auto; aspect-ratio: 16 / 11; }
.proj img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.proj:hover img { transform: scale(1.05); }
.proj__ph { position: absolute; inset: 0; display: grid; place-content: center; place-items: center; gap: 0.7rem; color: var(--ink-soft); text-align: center; padding: 1rem; background: var(--cream); }
.proj__ph::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--gold-line) 1px, transparent 1px), linear-gradient(90deg, var(--gold-line) 1px, transparent 1px); background-size: 26px 26px; opacity: 0.5; }
.proj__ph svg { width: 2.4rem; height: 2.4rem; color: var(--gold-deep); position: relative; }
.proj__ph small { font-family: var(--font-ui); letter-spacing: 0.06em; font-size: 0.75rem; position: relative; }
.proj__cap { position: absolute; inset-inline: 0; bottom: 0; z-index: var(--z-base); padding: 3rem 1.2rem 1.1rem; background: linear-gradient(transparent, oklch(0.135 0.028 252 / 0.85)); color: var(--on-navy); font-family: var(--font-ui); }
.proj__cap b { display: block; font-weight: 600; }
.proj__cap span { font-size: var(--step--1); color: var(--on-navy-soft); }

/* ---------------------------------------------------------------------------
   14. CTA band
   --------------------------------------------------------------------------- */
.cta-band { position: relative; isolation: isolate; overflow: hidden; background: linear-gradient(150deg, var(--navy-950), var(--navy-700)); color: var(--on-navy); text-align: center; border-radius: var(--radius-lg); padding: clamp(3.2rem, 3rem + 5vw, 6.5rem) 1.5rem; }
.cta-band h2 { color: var(--on-navy); max-width: 18ch; margin-inline: auto; }
.cta-band p { color: var(--on-navy-soft); margin: 1rem auto 2rem; }
.cta-band .hero__cta { justify-content: center; }

/* ---------------------------------------------------------------------------
   15. FOOTER
   --------------------------------------------------------------------------- */
.footer { background: var(--navy-950); color: var(--on-navy-soft); padding-block: var(--sp-7) var(--sp-5); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: clamp(1.5rem, 4vw, 3rem); }
@media (max-width: 820px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__brand img { width: 46px; margin-bottom: 1rem; }
.footer__brand p { color: var(--on-navy-soft); max-width: 34ch; font-size: var(--step-0); }
.footer h5 { font-family: var(--font-ui); color: var(--on-navy); font-size: var(--step--1); letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 1.1rem; font-weight: 600; }
html[lang="ar"] .footer h5 { letter-spacing: 0; text-transform: none; }
.footer a { color: var(--on-navy-soft); transition: color 0.25s var(--ease); display: inline-block; }
.footer a:hover { color: var(--gold); }
.footer ul { display: grid; gap: 0.6rem; font-family: var(--font-ui); font-size: 0.95rem; }
.footer__social { display: flex; gap: 0.6rem; margin-top: 1rem; }
.footer__social a { width: 2.5rem; height: 2.5rem; border-radius: 50%; display: grid; place-items: center; border: 1px solid oklch(0.965 0.008 80 / 0.2); color: var(--on-navy); }
.footer__social a:hover { background: var(--gold); color: var(--navy-900); border-color: var(--gold); }
.footer__social svg { width: 1.1rem; height: 1.1rem; }
.footer__bottom { margin-top: var(--sp-6); padding-top: var(--sp-4); border-top: 1px solid oklch(0.965 0.008 80 / 0.13); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: var(--step--1); font-family: var(--font-ui); }

/* ---------------------------------------------------------------------------
   16. SCROLL REVEAL  (default visible; only hidden when JS present)
   --------------------------------------------------------------------------- */
html.js .reveal { opacity: 0; transform: translateY(30px); filter: blur(6px); transition: opacity 0.85s var(--ease), transform 0.85s var(--ease), filter 0.85s var(--ease); }
html.js .reveal.is-in { opacity: 1; transform: none; filter: none; }
.reveal[data-delay="1"]{transition-delay:.08s}.reveal[data-delay="2"]{transition-delay:.16s}.reveal[data-delay="3"]{transition-delay:.24s}.reveal[data-delay="4"]{transition-delay:.32s}
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1 !important; transform: none !important; filter: none !important; transition: none !important; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------------------------------------------------------------------------
   17. SECTION HEADER / PAGE TOP
   --------------------------------------------------------------------------- */
.sec-head { max-width: 56ch; margin-bottom: var(--sp-6); }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head h2 { margin-top: 0.8rem; }
.sec-head p { margin-top: 1rem; color: var(--text-soft); }
.on-navy .sec-head h2 { color: var(--on-navy); }
.on-navy .sec-head p { color: var(--on-navy-soft); }

.page-hero { position: relative; isolation: isolate; overflow: hidden; background: linear-gradient(165deg, var(--navy-950), var(--navy-700)); color: var(--on-navy); padding-block: clamp(8.5rem, 6rem + 8vw, 12rem) clamp(3.5rem, 2rem + 6vw, 6.5rem); }
.page-hero h1 { color: var(--on-navy); max-width: 18ch; }
.page-hero .lead { color: var(--on-navy-soft); margin-top: 1rem; }

/* ---- Team ---- */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.4rem; margin-top: var(--sp-6); }
.person { display: flex; gap: 1.2rem; align-items: flex-start; padding: clamp(1.4rem, 3vw, 2rem); border: 1px solid oklch(0.31 0.045 252 / 0.12); border-radius: var(--radius-lg); background: var(--cream-soft); transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease); }
.person:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.person__avatar { flex: none; width: 4.2rem; height: 4.2rem; border-radius: 50%; display: grid; place-items: center; color: var(--navy); background: oklch(0.72 0.045 82 / 0.22); border: 1px solid var(--gold-line); }
.person__avatar svg { width: 1.9rem; height: 1.9rem; }
.person h4 { font-size: var(--step-1); }
.person .role { font-family: var(--font-ui); color: var(--gold-deep); font-weight: 600; font-size: var(--step--1); letter-spacing: 0.04em; margin: 0.15rem 0 0.6rem; }
.person p { color: var(--text-soft); font-size: var(--step-0); }

/* ---- Process steps ---- */
.process { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.4rem; margin-top: var(--sp-6); }
.step { position: relative; padding: clamp(1.5rem, 3vw, 2.2rem); border-radius: var(--radius-lg); background: var(--cream-soft); border: 1px solid oklch(0.31 0.045 252 / 0.1); }
.step__n { font-family: var(--font-display); font-size: var(--step-3); color: var(--gold); line-height: 1; }
.step h4 { margin: 0.8rem 0 0.4rem; }
.step p { color: var(--text-soft); font-size: var(--step-0); }

/* ---- FAQ (native accordion) ---- */
.faq { max-width: 820px; margin: var(--sp-6) auto 0; display: grid; gap: 0.75rem; }
.faq-item { border: 1px solid oklch(0.31 0.045 252 / 0.12); border-radius: var(--radius); background: var(--cream-soft); overflow: hidden; transition: border-color 0.3s var(--ease); }
.faq-item[open] { border-color: var(--gold); }
.faq-item summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem 1.3rem; font-family: var(--font-ui); font-weight: 600; font-size: var(--step-0); color: var(--text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--font-ui); font-size: 1.5rem; line-height: 1; color: var(--gold-deep); transition: transform 0.3s var(--ease); flex: none; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 1.3rem 1.2rem; margin: 0; color: var(--text-soft); max-width: none; }

/* ---- Full capabilities grid ---- */
.caps { display: grid; grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); gap: 1rem; margin-top: var(--sp-6); }
.cap { padding: clamp(1.2rem, 2.5vw, 1.6rem); border: 1px solid oklch(0.31 0.045 252 / 0.1); border-radius: var(--radius); background: var(--cream-soft); transition: transform 0.45s var(--ease), border-color 0.3s var(--ease), box-shadow 0.45s var(--ease); }
.cap:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: var(--shadow-md); }
.cap__icon { width: 2.5rem; height: 2.5rem; border-radius: 10px; display: grid; place-items: center; color: var(--navy); background: oklch(0.72 0.045 82 / 0.2); border: 1px solid var(--gold-line); margin-bottom: 0.9rem; }
.cap__icon svg { width: 1.25rem; height: 1.25rem; }
.cap h4 { font-size: var(--step-0); margin-bottom: 0.3rem; }
.cap p { font-size: var(--step--1); color: var(--text-soft); }

/* ---- Contact ---- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-list { display: grid; gap: 1rem; }
.contact-card { display: flex; gap: 1rem; align-items: flex-start; padding: 1.2rem 1.3rem; border: 1px solid oklch(0.31 0.045 252 / 0.12); border-radius: var(--radius); background: var(--cream-soft); transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease); }
.contact-card:hover { border-color: var(--gold); background: oklch(0.72 0.045 82 / 0.08); }
.contact-card__icon { flex: none; width: 2.6rem; height: 2.6rem; border-radius: 10px; display: grid; place-items: center; color: var(--navy); background: oklch(0.72 0.045 82 / 0.2); }
.contact-card__icon svg { width: 1.25rem; height: 1.25rem; }
.contact-card h5 { font-family: var(--font-ui); font-size: var(--step--1); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 0.25rem; font-weight: 600; }
html[lang="ar"] .contact-card h5 { letter-spacing: 0; text-transform: none; }
.contact-card a, .contact-card p { color: var(--text); font-family: var(--font-ui); font-size: var(--step-0); }
.contact-card a:hover { color: var(--gold-deep); }

/* ---- Form ---- */
.form { padding: clamp(1.6rem, 4vw, 2.4rem); border-radius: var(--radius-lg); background: var(--navy); color: var(--on-navy); box-shadow: var(--shadow-lg); }
.form h3 { color: var(--on-navy); margin-bottom: 1.2rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-family: var(--font-ui); font-size: var(--step--1); color: var(--on-navy-soft); margin-bottom: 0.4rem; }
.field input, .field textarea { width: 100%; font: inherit; font-family: var(--font-ui); font-size: var(--step-0); color: var(--on-navy); background: oklch(0.965 0.008 80 / 0.06); border: 1px solid oklch(0.965 0.008 80 / 0.2); border-radius: 12px; padding: 0.85rem 1rem; transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease); }
.field textarea { min-height: 130px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: oklch(0.8 0.014 82 / 0.6); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); background: oklch(0.965 0.008 80 / 0.1); }
.form__note { font-family: var(--font-ui); font-size: var(--step--1); color: var(--on-navy-soft); margin-top: 0.8rem; }
.form .btn { width: 100%; justify-content: center; }

/* ---- Map ---- */
.map-frame { margin-top: var(--sp-6); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid oklch(0.31 0.045 252 / 0.12); box-shadow: var(--shadow-sm); }
.map-frame iframe { width: 100%; height: clamp(300px, 40vw, 440px); border: 0; display: block; filter: grayscale(0.2) contrast(1.02); }

/* ---- Project cards (clickable -> details modal) ---- */
.pgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: clamp(1.2rem, 3vw, 2rem); margin-top: var(--sp-6); }
.pcard { position: relative; display: block; width: 100%; text-align: start; border-radius: var(--radius-lg); overflow: hidden; background: var(--navy-900); box-shadow: var(--shadow-sm); cursor: pointer; isolation: isolate; transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease); }
.pcard:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.pcard__cover { position: relative; aspect-ratio: 16 / 11; overflow: hidden; }
.pcard__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.pcard:hover .pcard__cover img { transform: scale(1.06); }
.pcard__cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 40%, oklch(0.135 0.028 252 / 0.9)); }
.pcard__badge { position: absolute; top: 1rem; inset-inline-start: 1rem; z-index: 2; font-family: var(--font-ui); font-size: var(--step--2); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.4rem 0.8rem; border-radius: var(--radius-pill); background: var(--gold); color: var(--navy-900); display: inline-flex; align-items: center; gap: 0.4rem; }
html[lang="ar"] .pcard__badge { letter-spacing: 0; text-transform: none; }
.pcard__badge.is-done { background: oklch(0.965 0.008 80 / 0.92); }
.pcard__bar { position: absolute; inset-inline: 0; bottom: 0; z-index: 2; padding: 1.2rem 1.3rem; display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; color: var(--on-navy); }
.pcard__bar h3 { color: var(--on-navy); font-size: var(--step-2); }
.pcard__bar .pcard__view { font-family: var(--font-ui); font-size: var(--step--1); color: var(--gold); display: inline-flex; align-items: center; gap: 0.4rem; white-space: nowrap; flex: none; }
.pcard:hover .pcard__view svg { transform: translateX(3px); }
html[dir="rtl"] .pcard__view svg { transform: scaleX(-1); }
.pcard__view svg { transition: transform 0.4s var(--ease); width: 1rem; height: 1rem; }

/* ---- Project modal ---- */
.pmodal { position: fixed; inset: 0; z-index: var(--z-menu); display: grid; place-items: center; padding: clamp(1rem, 3vw, 2rem); background: oklch(0.135 0.028 252 / 0.7); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); opacity: 0; visibility: hidden; transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease); }
.pmodal.is-open { opacity: 1; visibility: visible; }
.pmodal__panel { width: min(960px, 100%); max-height: 90vh; overflow: auto; background: var(--paper); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); transform: translateY(20px) scale(0.98); transition: transform 0.5s var(--ease-soft); display: grid; grid-template-columns: 1.15fr 0.85fr; }
.pmodal.is-open .pmodal__panel { transform: none; }
@media (max-width: 760px) { .pmodal__panel { grid-template-columns: 1fr; } }
.pmodal__media { background: var(--navy-900); padding: 0.9rem; display: flex; flex-direction: column; gap: 0.6rem; }
.pmodal__main { aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden; background: var(--navy-700); }
.pmodal__main img { width: 100%; height: 100%; object-fit: cover; }
.pmodal__thumbs { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.pmodal__thumbs button { width: 64px; height: 48px; border-radius: 8px; overflow: hidden; border: 2px solid transparent; opacity: 0.7; transition: opacity 0.25s var(--ease), border-color 0.25s var(--ease); }
.pmodal__thumbs button.is-active, .pmodal__thumbs button:hover { opacity: 1; border-color: var(--gold); }
.pmodal__thumbs img { width: 100%; height: 100%; object-fit: cover; }
.pmodal__info { padding: clamp(1.4rem, 3vw, 2.2rem); position: relative; }
.pmodal__info .badge { font-family: var(--font-ui); font-size: var(--step--2); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold-deep); }
html[lang="ar"] .pmodal__info .badge { letter-spacing: 0; text-transform: none; }
.pmodal__info h3 { margin: 0.4rem 0 1.2rem; font-size: var(--step-3); }
.pmodal__dl { display: grid; grid-template-columns: auto 1fr; gap: 0.7rem 1.2rem; margin-bottom: 1.4rem; }
.pmodal__dl dt { font-family: var(--font-ui); font-size: var(--step--1); color: var(--ink-soft); }
.pmodal__dl dd { font-family: var(--font-ui); font-size: var(--step-0); color: var(--text); font-weight: 500; }
.pmodal__info p { color: var(--text-soft); }
.pmodal__close { position: absolute; top: 0.9rem; inset-inline-end: 0.9rem; width: 2.4rem; height: 2.4rem; border-radius: 50%; display: grid; place-items: center; background: oklch(0.31 0.045 252 / 0.08); color: var(--navy); transition: background-color 0.25s var(--ease); }
.pmodal__close:hover { background: oklch(0.31 0.045 252 / 0.16); }
.pmodal__close svg { width: 1.2rem; height: 1.2rem; }