:root {
  --graphite: #111416;
  --graphite-raised: #272c30;
  --concrete: #f2f3f1;
  --white: #fff;
  --steel: #7d878d;
  --gold: #c99a3d;
  --line-dark: rgba(255, 255, 255, 0.16);
  --line-light: rgba(17, 20, 22, 0.16);
  --shell: min(1440px, calc(100vw - 48px));
  --section-space: clamp(4.5rem, 9vw, 8rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--concrete);
  color: var(--graphite);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}
[dir="rtl"] body { font-family: Tahoma, Arial, sans-serif; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; inset-block-start: 0; inset-inline-start: -9999px; z-index: 100; padding: 0.75rem 1rem; background: var(--white); }
.skip-link:focus { inset-inline-start: 1rem; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  color: var(--white);
  border-bottom: 1px solid var(--line-dark);
}
.site-header.is-scrolled { position: fixed; background: rgba(17, 20, 22, 0.96); backdrop-filter: blur(14px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: 0.8rem; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--gold); color: var(--gold); font-weight: 700; }
.brand-copy { display: grid; line-height: 1.2; }
.brand-copy small { color: #b9c0c4; font-size: 0.76rem; }
.primary-nav ul { display: flex; align-items: center; gap: 1.5rem; margin: 0; padding: 0; list-style: none; }
.primary-nav a { text-decoration: none; font-size: 0.94rem; }
.primary-nav a:hover, .primary-nav a:focus-visible { color: var(--gold); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; color: inherit; border: 1px solid var(--line-dark); background: transparent; }
.language-switch { min-width: 44px; min-height: 44px; display: grid; place-items: center; border: 1px solid var(--line-dark); color: var(--white); text-decoration: none; font-size: 0.85rem; }

.hero { min-height: 92vh; display: grid; align-items: center; padding-block: 9rem 5rem; overflow: hidden; background: var(--graphite); color: var(--white); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr); align-items: center; gap: clamp(3rem, 8vw, 9rem); }
.hero h1 { max-width: 900px; margin: 0.6rem 0 1.5rem; font-size: clamp(3rem, 6.4vw, 7.25rem); line-height: 0.94; letter-spacing: -0.055em; }
[dir="rtl"] .hero h1 { letter-spacing: normal; line-height: 1.12; }
.eyebrow { margin: 0; color: var(--gold); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
[dir="rtl"] .eyebrow { letter-spacing: normal; }
.hero-summary { max-width: 700px; color: #c8ced1; font-size: clamp(1.05rem, 1.5vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0.7rem 1.25rem; border: 1px solid transparent; text-decoration: none; font-weight: 650; }
.button-primary { background: var(--gold); color: var(--graphite); }
.button-secondary { border-color: var(--line-dark); color: var(--white); }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.hero-structure { position: relative; min-height: 430px; perspective: 900px; }
.structure-plane { position: absolute; inset: 12% 8%; border: 1px solid rgba(201, 154, 61, 0.55); background: linear-gradient(135deg, rgba(201,154,61,0.13), rgba(255,255,255,0.015)); transform-style: preserve-3d; }
.structure-plane-a { transform: rotateY(-24deg) rotateX(9deg) translateZ(12px); }
.structure-plane-b { inset: 28% 22% 0 0; transform: rotateY(18deg) rotateX(-7deg) translateZ(90px); border-color: rgba(255,255,255,0.24); }
.hero-structure span { position: absolute; inset-block-end: 0; inset-inline-end: 0; color: var(--steel); font-size: 0.85rem; }

.section { padding-block: var(--section-space); }
.section-heading { max-width: 820px; margin-bottom: 3rem; }
.section h2 { margin: 0.55rem 0 0; font-size: clamp(2rem, 4vw, 4.4rem); line-height: 1.02; letter-spacing: -0.035em; }
[dir="rtl"] .section h2 { letter-spacing: normal; line-height: 1.25; }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-light); border: 1px solid var(--line-light); }
.project-card, .empty-state { min-height: 320px; padding: 1.5rem; background: var(--concrete); text-decoration: none; }
.project-media { aspect-ratio: 4 / 3; margin: -1.5rem -1.5rem 1.4rem; overflow: hidden; background: var(--graphite-raised); }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 450ms ease; }
.project-card:hover img { transform: scale(1.025); }
.project-card h3 { font-size: 1.4rem; }
.project-card p { color: #50585d; }
.empty-state { grid-column: 1 / -1; display: grid; place-items: center; color: #5d666b; }
.section-capabilities { background: var(--graphite); color: var(--white); }
.capability-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(3rem, 9vw, 10rem); }
.capability-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.capability-list li { display: grid; grid-template-columns: 56px 1fr; gap: 1rem; padding: 1.3rem 0; border-bottom: 1px solid var(--line-dark); font-size: 1.15rem; }
.capability-list span { color: var(--gold); font-size: 0.75rem; }
.section-group { border-bottom: 1px solid var(--line-light); }
.group-grid { display: grid; grid-template-columns: 0.55fr 1.45fr; gap: clamp(2rem, 8vw, 9rem); }
.group-grid h2 { max-width: 980px; margin-top: 0; }
.group-summary { max-width: 760px; margin-top: 2rem; color: #50585d; font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.contact-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; }
.contact-row h2 { max-width: 920px; }
.site-footer { padding-block: 4rem 2rem; background: #090b0c; color: #c4c9cc; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 3rem; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.copyright { grid-column: 1 / -1; padding-top: 2rem; border-top: 1px solid var(--line-dark); color: var(--steel); font-size: 0.85rem; }
.content-area { min-height: 60vh; padding-block: 10rem 6rem; }
.page-main { min-height: 65vh; }
.page-hero { padding-block: 11rem 5rem; background: var(--graphite); color: var(--white); }
.page-hero h1 { max-width: 1100px; margin: 0.55rem 0 0; font-size: clamp(3rem, 7vw, 7rem); line-height: 1; letter-spacing: -0.05em; }
[dir="rtl"] .page-hero h1 { letter-spacing: normal; line-height: 1.2; }
.reading-width { max-width: 780px; }
.page-content { padding-block: 4.5rem 7rem; }
.page-content > *:first-child { margin-top: 0; }
.page-content h2 { margin-top: 2.8rem; font-size: clamp(1.7rem, 3vw, 2.7rem); }
.archive-projects { padding-block: 5rem 8rem; }
.archive-projects .project-card h2 { margin-bottom: 0.6rem; font-size: 1.4rem; letter-spacing: normal; }
.project-showcase { position: relative; min-height: 100svh; display: grid; align-items: center; overflow: hidden; padding-block: 8.5rem 4rem; background: #080a0b; color: var(--white); isolation: isolate; }
.project-backdrop { position: absolute; inset: 0; z-index: -3; margin: 0; overflow: hidden; background: #080a0b; }
.project-backdrop-wash, .project-backdrop-focus { position: absolute; inset: 0; }
.project-backdrop-wash { transform: scale(1.04); filter: blur(18px) brightness(.72); opacity: .48; }
.project-backdrop-focus { inset-inline-end: 25%; z-index: 1; display: grid; place-items: center; background: rgba(7,9,10,.08); }
.project-backdrop::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,9,10,.08) 0%, rgba(7,9,10,.2) 42%, rgba(7,9,10,.8) 68%, #080a0b 100%), linear-gradient(0deg, rgba(7,9,10,.68), transparent 36%); }
[dir="rtl"] .project-backdrop::after { background: linear-gradient(90deg, rgba(7,9,10,.08) 0%, rgba(7,9,10,.2) 42%, rgba(7,9,10,.8) 68%, #080a0b 100%), linear-gradient(0deg, rgba(7,9,10,.68), transparent 36%); }
.project-backdrop-wash img { width: 100%; height: 100%; object-fit: cover; }
.project-backdrop-focus img { width: 100%; height: 100%; object-fit: contain; object-position: center; filter: brightness(1.06) contrast(1.04) saturate(.96); }
.project-frame { position: absolute; inset: 6.5rem 0 0; z-index: -1; pointer-events: none; }
.project-frame::before, .project-frame::after, .project-frame span { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.13); }
.project-frame::before { inset: 7% auto 8% 2.5%; width: 10%; border-inline-end: 0; transform: skewY(-10deg); }
.project-frame::after { inset: 4% 2.5% 12% auto; width: 12%; border-inline-start: 0; transform: skewY(9deg); }
.project-frame span:first-child { inset: 0 22% auto 15%; border-color: rgba(201,154,61,.32); }
.project-frame span:last-child { inset: auto 8% 4% 38%; border-color: rgba(201,154,61,.22); }
.project-showcase-grid { min-height: calc(100svh - 12.5rem); display: flex; align-items: center; justify-content: flex-end; }
.project-intro { position: relative; z-index: 2; width: min(625px, 44vw); padding: clamp(1.4rem, 2.2vw, 2.35rem); border: 1px solid rgba(255,255,255,.16); background: linear-gradient(145deg, rgba(17,20,22,.74), rgba(8,10,11,.64)); box-shadow: 0 28px 90px rgba(0,0,0,.32); backdrop-filter: blur(9px); }
[dir="rtl"] .project-showcase-grid { justify-content: flex-start; }
.project-intro h1 { max-width: 100%; margin: .55rem 0 .75rem; font-size: clamp(2.25rem, 3.25vw, 4rem); line-height: 1.08; letter-spacing: -.04em; }
[dir="rtl"] .project-intro h1 { line-height: 1.18; letter-spacing: normal; }
.project-lead { max-width: 680px; margin: 0; color: #c8ced1; font-size: clamp(1.05rem, 1.35vw, 1.25rem); }
.project-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 1.6rem 0 0; border-block: 1px solid var(--line-dark); }
.project-facts div { min-height: 82px; padding: .72rem; border-bottom: 1px solid var(--line-dark); }
.project-facts div:not(:nth-child(3n + 1)) { border-inline-start: 1px solid var(--line-dark); }
.project-facts div:nth-last-child(-n + 3) { border-bottom: 0; }
.project-facts dt { color: var(--gold); font-size: .76rem; font-weight: 700; }
.project-facts dd { margin: .4rem 0 0; color: #eef0f1; font-size: .92rem; font-weight: 650; line-height: 1.5; }
.project-scroll { display: inline-flex; align-items: center; gap: .65rem; margin-top: 1.35rem; color: #d8dcde; text-decoration: none; font-size: .9rem; }
.project-scroll span { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid rgba(201,154,61,.55); border-radius: 50%; color: var(--gold); }
.project-story { position: relative; padding-block: var(--section-space); overflow: hidden; background: #0b0d0e; color: var(--white); }
.project-story::after { content: ""; position: absolute; inset: 0 0 auto; height: 1px; background: linear-gradient(90deg, transparent, rgba(201,154,61,.5), transparent); }
.project-story-grid { display: grid; grid-template-columns: minmax(300px, .85fr) minmax(360px, 1fr) minmax(110px, .28fr); align-items: center; gap: clamp(2rem, 4.5vw, 5.5rem); }
.project-story-media { margin: 0; height: min(54vh, 540px); overflow: hidden; border: 1px solid var(--line-dark); clip-path: polygon(0 0, 94% 0, 100% 100%, 0 100%); }
[dir="rtl"] .project-story-media { clip-path: polygon(6% 0, 100% 0, 100% 100%, 0 100%); }
.project-story-media img { width: 100%; height: 100%; object-fit: cover; }
.project-story-aside { align-self: stretch; display: flex; flex-direction: column; justify-content: center; gap: 1.5rem; padding-inline-start: 1.5rem; border-inline-start: 1px solid var(--line-dark); color: var(--steel); }
.project-story-aside > p:last-child { margin: 0; line-height: 2; }
.project-index { margin: 0; color: var(--gold); font-size: clamp(3rem, 7vw, 7rem); line-height: 1; }
.project-copy { max-width: 900px; color: #c9ced0; font-size: clamp(1.05rem, 1.25vw, 1.22rem); }
.project-copy h2 { margin: .7rem 0 1.5rem; color: var(--white); font-size: clamp(2rem, 3.3vw, 3.5rem); line-height: 1.25; }
.project-copy > *:first-child { margin-top: 0; }

@media (max-width: 900px) {
  :root { --shell: min(100% - 32px, 1440px); }
  .menu-toggle { display: inline-grid; place-items: center; }
  .primary-nav { display: none; position: absolute; inset: 82px 0 auto; padding: 1rem 16px 2rem; background: var(--graphite); border-bottom: 1px solid var(--line-dark); }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { display: grid; gap: 0; }
  .primary-nav a { display: block; min-height: 48px; padding-block: 0.7rem; }
  .hero { min-height: auto; }
  .hero-grid, .capability-grid, .group-grid { grid-template-columns: 1fr; }
  .hero-structure { min-height: 280px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-showcase { min-height: auto; padding-block: 7rem 2rem; }
  .project-showcase-grid { min-height: auto; display: block; }
  .project-story-grid { min-height: auto; grid-template-columns: 1fr; }
  .project-intro, [dir="rtl"] .project-intro { width: 100%; margin-top: clamp(12rem, 46vw, 24rem); }
  .project-backdrop { height: 70%; }
  .project-backdrop-focus { inset-inline-end: 0; }
  .project-backdrop::after, [dir="rtl"] .project-backdrop::after { background: linear-gradient(0deg, #080a0b 4%, rgba(8,10,11,.2) 68%, rgba(8,10,11,.3)); }
  .project-story-aside { min-height: 160px; border-inline-start: 0; border-top: 1px solid var(--line-dark); padding: 1.5rem 0 0; }
  .contact-row { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 540px) {
  .brand-copy small { display: none; }
  .hero h1 { font-size: clamp(2.6rem, 14vw, 4.2rem); }
  .footer-grid { grid-template-columns: 1fr; }
  .project-facts { grid-template-columns: 1fr; }
  .project-facts div, .project-facts div:not(:nth-child(3n + 1)), .project-facts div:nth-last-child(-n + 3) { min-height: 0; padding-inline: 0; border-inline-start: 0; border-bottom: 1px solid var(--line-dark); }
  .project-facts div:last-child { border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}