/* DIRECTION LOCK — البناء المتين / Mateen Construction
   Aesthetic: blueprint/utilitarian — grid paper, dashed drafting lines, safety amber
   Fonts: Noto Kufi Arabic (AR display) + IBM Plex Sans Arabic (body) / EN: Space Mono + IBM Plex Sans
   Signature: animated blueprint hero with dashed draw-in lines + spec-sheet project cards
   Motion personality: technical — stroke draws, clip wipes, steady 400-700ms
   Every rule serves this lock. Logical properties throughout. */

/* ===== TOKENS ===== */
:root {
  --paper: #f4f5f2;
  --paper-2: #ebede6;
  --ink: #16211d;
  --ink-2: #2c3a34;
  --line: #c9cfc6;
  --blue: #1d4ed8;
  --blue-soft: #3b6fe0;
  --amber: #f59e0b;
  --amber-deep: #d97706;
  --white: #ffffff;
  --font-ar-head: "Noto Kufi Arabic", sans-serif;
  --font-body: "IBM Plex Sans Arabic", "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "Space Mono", "IBM Plex Sans Arabic", monospace;
  --r-xs: 0; --r-sm: 2px; --r: 3px; --r-lg: 4px; --r-full: 9999px;
  --ease-tech: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 200ms; --dur-base: 400ms; --dur-slow: 700ms;
  --shadow-1: 2px 2px 0 var(--line);
  --shadow-2: 4px 4px 0 var(--ink);
  --header-h: 68px;
}

/* ===== BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  background: var(--paper); color: var(--ink);
  line-height: 1.7; font-size: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--blue); }
:focus-visible { outline: 2px solid var(--amber-deep); outline-offset: 3px; }

html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3, html[lang="ar"] .brand { font-family: var(--font-ar-head); font-weight: 700; }
html[lang="en"] h1, html[lang="en"] h2, html[lang="en"] h3 { font-family: "IBM Plex Sans", sans-serif; font-weight: 700; letter-spacing: -0.01em; }
html[lang="en"] .nav-num, html[lang="en"] .phase-num, html[lang="en"] .service-num, html[lang="en"] .sheet-data dd, html[lang="en"] .count { font-family: var(--font-mono); }

h1, h2, h3 { line-height: 1.25; }
h1 { font-size: clamp(2.2rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.8vw, 2.8rem); }
h3 { font-size: 1.2rem; }

.skip-link { position: absolute; inset-inline-start: -9999px; top: 0; background: var(--ink); color: var(--paper); padding: 0.75rem 1.25rem; z-index: 100; }
.skip-link:focus { inset-inline-start: 0; }

/* ===== LAYOUT ===== */
.container { width: min(1200px, 92%); margin-inline: auto; }
.section { padding-block: clamp(4rem, 9vw, 7rem); }
.section-head { max-width: 680px; margin-block-end: clamp(2rem, 5vw, 3.25rem); }
.section-head h2 { margin-block-start: 0.8rem; }

.spec-tag {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2);
  border: 1px dashed var(--ink-2); padding: 0.4rem 0.9rem; background: var(--white);
}
.spec-tag .dot { width: 8px; height: 8px; background: var(--amber); border: 1.5px solid var(--ink); border-radius: 50%; flex-shrink: 0; }
/* ===== HEADER ===== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  background: var(--ink); border-block-end: 3px solid var(--amber);
}
.header-inner { width: min(1200px, 92%); margin-inline: auto; height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { font-size: 1.25rem; font-weight: 700; color: var(--paper); text-decoration: none; display: flex; align-items: center; gap: 0.55rem; }
.brand-mark { color: var(--amber); font-size: 1.05rem; }

.lang-toggle {
  font-family: var(--font-mono); font-weight: 700; font-size: 0.8rem;
  background: transparent; color: var(--paper);
  border: 1px dashed rgba(244,245,242,0.5); padding: 0.3rem 0.85rem; cursor: pointer;
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.lang-toggle:hover { border-color: var(--amber); color: var(--amber); }
.header-actions { display: flex; align-items: center; gap: 0.75rem; }

.primary-nav { display: flex; align-items: center; gap: 1.75rem; }
.primary-nav ul { display: flex; gap: 1.4rem; list-style: none; }
.primary-nav a:not(.nav-cta) {
  color: rgba(244, 245, 242, 0.8); text-decoration: none; font-size: 0.88rem; font-weight: 500;
  display: flex; align-items: center; gap: 0.4rem;
  padding-block: 0.3rem; border-block-end: 2px solid transparent;
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.primary-nav a:not(.nav-cta):hover { color: var(--paper); border-color: var(--amber); }
.nav-num { font-family: var(--font-mono); font-size: 0.7rem; color: var(--amber); }
.nav-toggle { display: none; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-block; padding: 0.85rem 1.8rem;
  font-size: 0.92rem; font-weight: 700;
  border-radius: var(--r); text-decoration: none; cursor: pointer; border: 2px solid var(--ink);
  transition: translate var(--dur-fast) var(--ease-tech), background var(--dur-fast), color var(--dur-fast), box-shadow var(--dur-fast);
}
.btn:hover { translate: -2px -2px; box-shadow: 3px 3px 0 var(--ink); }
.btn-amber { background: var(--amber); color: var(--ink); }
.btn-amber:hover { background: var(--amber-deep); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--paper); border-color: var(--paper); }
.btn-ghost:hover { box-shadow: 3px 3px 0 rgba(244,245,242,0.9); }

/* ===== HERO (blueprint board) ===== */
.hero {
  position: relative; overflow: hidden; background: var(--ink); color: var(--paper);
  padding-block: calc(var(--header-h) + clamp(3.5rem, 8vw, 6rem)) clamp(3.5rem, 8vw, 6rem);
  isolation: isolate;
}
.blueprint-grid {
  position: absolute; inset: 0; z-index: -2; opacity: 0.5;
  background-image:
    linear-gradient(rgba(59, 111, 224, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 111, 224, 0.25) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(80% 80% at 50% 40%, black, transparent 90%);
  -webkit-mask-image: radial-gradient(80% 80% at 50% 40%, black, transparent 90%);
}
.hero-draw { position: absolute; z-index: -1; background: transparent; border: 2px dashed var(--blue-soft); opacity: 0.85; }
.draw-a { width: min(42vw, 480px); height: 55%; inset-block-start: 8%; inset-inline-end: 5%; border-radius: 2px; animation: draw-in 1.6s var(--ease-tech) 0.3s both; }
.draw-b { width: min(30vw, 340px); height: 38%; inset-block-end: 10%; inset-inline-start: 8%; border-radius: 50%; animation: draw-in 1.6s var(--ease-tech) 0.7s both; }
.draw-c { width: 120px; height: 120px; inset-block-start: 30%; inset-inline-start: 30%; rotate: 45deg; animation: draw-in 1.6s var(--ease-tech) 1.1s both; }
@keyframes draw-in { from { clip-path: inset(0 0 100% 0); opacity: 0; } to { clip-path: inset(0 0 0 0); opacity: 0.85; } }

.hero-grid { display: grid; grid-template-columns: 6fr 4fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; position: relative; }
.hero h1 { color: var(--paper); }
.hero h1::after { content: ""; display: block; width: 72px; height: 4px; background: var(--amber); margin-block-start: 1.3rem; }
.hero-lede { margin-block: 1.4rem 2.2rem 0; max-width: 34rem; color: rgba(244, 245, 242, 0.75); font-size: clamp(1.02rem, 1.4vw, 1.18rem); }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.hero-phone { color: rgba(244,245,242,0.85); text-decoration: none; font-family: var(--font-mono); font-size: 0.92rem; padding-inline-start: 1rem; border-inline-start: 1px dashed rgba(244,245,242,0.4); }

.hero-spec {
  background: var(--white); color: var(--ink); border: 2px solid var(--ink);
  box-shadow: 5px 5px 0 var(--amber);
  padding: 1.5rem; display: grid; gap: 0;
}
.hero-spec::before {
  content: "PROJECT RECORD — REV 2026.09"; display: block;
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.08em; color: var(--ink-2);
  border-block-end: 1px dashed var(--ink-2); padding-block-end: 0.7rem; margin-block-end: 0.4rem;
}
.spec-row { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 1rem; padding-block: 0.75rem; border-block-end: 1px dotted var(--line); }
.spec-row:last-child { border-block-end: none; }
.spec-row dt { font-size: 0.85rem; font-weight: 500; color: var(--ink-2); }
.spec-row dd { font-family: var(--font-mono); font-size: 1.55rem; font-weight: 700; color: var(--blue); }
.spec-row dd.zero { color: var(--amber-deep); }
.count { font-family: var(--font-mono); }

/* ===== HERO ENTRANCE ===== */
@keyframes hero-rise { from { opacity: 0; translate: 0 20px; } to { opacity: 1; translate: 0 0; } }
.hero-rise { opacity: 0; animation: hero-rise 0.7s var(--ease-tech) forwards; }
.hero-rise.d1 { animation-delay: 0.1s; }
.hero-rise.d2 { animation-delay: 0.24s; }
.hero-rise.d3 { animation-delay: 0.38s; }
.hero-rise.d4 { animation-delay: 0.52s; }
.hero-rise.d5 { animation-delay: 0.72s; }

.scroll-cue { position: absolute; bottom: 1.6rem; left: 50%; translate: -50% 0; width: 26px; height: 42px; opacity: 0.7; }
.cue-line { display: block; width: 2px; height: 100%; margin-inline: auto; background: linear-gradient(to bottom, transparent, var(--amber) 30%, transparent 90%); overflow: hidden; position: relative; }
.cue-line::after { content: ""; position: absolute; inset-inline: 0; block-size: 40%; background: var(--amber); animation: cue-drop 2.4s var(--ease-tech) infinite; }
@keyframes cue-drop { 0% { inset-block-start: -40%; opacity: 0; } 25% { opacity: 1; } 100% { inset-block-start: 110%; opacity: 0; } }

/* ===== PROGRESS ===== */
.progress-bar {
  position: absolute; inset-block-start: 0; inset-inline: 0; height: 3px;
  background: var(--amber); transform-origin: var(--origin, left); transform: scaleX(0);
  transition: transform 0.1s linear;
}
html[dir="rtl"] .progress-bar { --origin: right; }
/* ===== PHASES (timeline track) ===== */
.phases { background: var(--paper); }
.phase-track { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; counter-reset: phase; }
.phase-track::before {
  content: ""; position: absolute; inset-block-start: 24px; inset-inline: 8%;
  border-block-start: 2px dashed var(--ink-2); opacity: 0.4;
}
.phase { position: relative; padding-inline: 1rem; text-align: start; }
.phase-num {
  display: grid; place-items: center; width: 48px; height: 48px;
  background: var(--white); border: 2px solid var(--ink);
  font-family: var(--font-mono); font-weight: 700; font-size: 0.95rem;
  box-shadow: 3px 3px 0 var(--amber); margin-block-end: 1.1rem; position: relative; z-index: 1;
}
.phase h3 { margin-block-end: 0.4rem; }
.phase p { font-size: 0.87rem; color: var(--ink-2); }

/* ===== PROJECTS (spec-sheet cards) ===== */
.projects { background: var(--white); border-block: 1px solid var(--line); }
.project-sheets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.sheet { border: 2px solid var(--ink); background: var(--white); box-shadow: 4px 4px 0 var(--line); transition: box-shadow var(--dur-base) var(--ease-tech), translate var(--dur-base) var(--ease-tech); }
.sheet:hover { box-shadow: 6px 6px 0 var(--amber); translate: -2px -2px; }
.sheet-photo {
  aspect-ratio: 16 / 10; border-block-end: 2px solid var(--ink);
  background:
    linear-gradient(160deg, rgba(22, 33, 29, 0.15), rgba(22, 33, 29, 0.35)),
    url("https://images.unsplash.com/photo-1503387762-5928580c674e?auto=format&fit=crop&w=900&q=80") center/cover;
}
.sheet-photo.photo-2 { background-image: linear-gradient(160deg, rgba(22,33,29,0.15), rgba(22,33,29,0.35)), url("https://images.unsplash.com/photo-1487958449943-2429e8be8625?auto=format&fit=crop&w=900&q=80"); }
.sheet-photo.photo-3 { background-image: linear-gradient(160deg, rgba(22,33,29,0.15), rgba(22,33,29,0.35)), url("https://images.unsplash.com/photo-1516156008625-3a9d6067fab6?auto=format&fit=crop&w=900&q=80"); }
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 1.1rem 1.25rem 0.6rem; }
.sheet-head h3 { font-size: 1.05rem; }
.sheet-tag {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 700;
  background: var(--ink); color: var(--amber); padding: 0.25rem 0.6rem; white-space: nowrap;
}
.sheet-data { padding: 0 1.25rem 1.25rem; }
.sheet-data > div { display: grid; grid-template-columns: 70px 1fr; gap: 0.75rem; padding-block: 0.5rem; border-block-end: 1px dotted var(--line); }
.sheet-data > div:last-child { border-block-end: none; }
.sheet-data dt { font-size: 0.75rem; font-weight: 600; color: var(--ink-2); padding-block-start: 0.15rem; }
.sheet-data dd { font-size: 0.92rem; font-weight: 600; }

/* ===== SAFETY ===== */
.safety { background: var(--ink); color: var(--paper); }
.safety .spec-tag { background: var(--ink-2); color: var(--paper); border-color: var(--paper); }
.safety h2 { color: var(--paper); margin-block: 0.8rem 1.2rem; }
.safety p { color: rgba(244, 245, 242, 0.75); }
.safety-grid { display: grid; grid-template-columns: 6fr 4fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.safety-licenses { list-style: none; margin-block-start: 1.75rem; display: grid; gap: 0.7rem; }
.safety-licenses li {
  padding-inline-start: 1.6rem; position: relative; font-size: 0.95rem; color: rgba(244,245,242,0.85);
}
.safety-licenses li::before {
  content: "✓"; position: absolute; inset-inline-start: 0; color: var(--amber);
  font-family: var(--font-mono); font-weight: 700;
}
.safety-visual { display: grid; place-items: center; }
.safety-card {
  border: 2px dashed var(--amber); padding: 3rem 2.5rem; text-align: center;
  background: rgba(245, 158, 11, 0.06);
}
.zero-big { display: block; font-family: var(--font-mono); font-size: clamp(5rem, 10vw, 8rem); font-weight: 700; color: var(--amber); line-height: 1; }
.zero-label { font-size: 0.9rem; color: rgba(244,245,242,0.75); }

/* ===== SERVICES (numbered rows) ===== */
.services { background: var(--paper); }
.service-list { display: grid; gap: 0; border-block-start: 2px solid var(--ink); }
.service-row {
  display: grid; grid-template-columns: 72px 260px 1fr; gap: 1.5rem; align-items: baseline;
  padding-block: 1.6rem; border-block-end: 2px solid var(--ink); background: var(--paper);
  transition: background var(--dur-base), padding-inline-start var(--dur-base) var(--ease-tech);
}
.service-row:hover { background: var(--white); padding-inline-start: 1rem; }
.service-num { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700; color: var(--blue); }
.service-row h3 { font-size: 1.15rem; }
.service-row p { font-size: 0.93rem; color: var(--ink-2); }

/* ===== ESTIMATE ===== */
.estimate { background: var(--white); border-block-start: 2px solid var(--ink); }
.estimate-grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.estimate-info h2 { margin-block: 0.8rem 1.2rem; }
.estimate-info > p { color: var(--ink-2); }
.estimate-details { display: grid; gap: 1.1rem; margin-block-start: 1.75rem; }
.estimate-details > div { display: grid; grid-template-columns: 80px 1fr; gap: 1rem; border-block-end: 1px dashed var(--line); padding-block-end: 1.1rem; }
.estimate-details dt { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-2); padding-block-start: 0.2rem; }
.estimate-details dd { color: var(--ink-2); }
.estimate-details a { color: var(--ink-2); }

.estimate-form { border: 2px solid var(--ink); padding: clamp(1.75rem, 4vw, 2.5rem); background: var(--paper); box-shadow: 5px 5px 0 var(--amber); }
.estimate-form h3 { margin-block-end: 1.5rem; }
.field { margin-block-end: 1.15rem; }
.field label { display: block; font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink); margin-block-end: 0.45rem; }
.field .optional { text-transform: none; font-weight: 400; color: var(--ink-2); font-family: var(--font-body); }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.8rem 0.95rem; font: inherit; color: var(--ink);
  background: var(--white); border: 2px solid var(--ink-2); border-radius: 0;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 3px 3px 0 rgba(29, 78, 216, 0.2); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field-error { margin-block-start: 0.35rem; font-size: 0.78rem; color: #b3261e; font-weight: 600; }
.field.invalid input, .field.invalid select { border-color: #b3261e; }
.form-success { margin-block-start: 1rem; padding: 0.9rem 1rem; background: #ecf3ea; color: #1e4620; border: 1px solid #1e4620; font-size: 0.9rem; }
.estimate-form .btn { width: 100%; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--ink); color: rgba(244, 245, 242, 0.7); padding: 3.5rem 0 1.5rem;
  background-image:
    linear-gradient(rgba(59, 111, 224, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 111, 224, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr 1.2fr; gap: 2rem; }
.brand-footer { font-size: 1.2rem; font-weight: 700; color: var(--paper); margin-block-end: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.site-footer h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber); margin-block-end: 0.75rem; }
.site-footer a { color: rgba(244,245,242,0.7); }
.site-footer a:hover { color: var(--amber); }
.legal { margin-block-start: 2.5rem; padding-block-start: 1.5rem; border-block-start: 1px dashed rgba(244,245,242,0.3); font-size: 0.8rem; color: rgba(244,245,242,0.45); }
.legal-links a { text-decoration: underline; text-underline-offset: 3px; }

/* ===== LEGAL PAGE ===== */
.legal-page { padding-block-start: calc(var(--header-h) + clamp(2rem, 5vw, 4rem)); }
.legal-card { max-width: 760px; }
.legal-card h1 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin-block: 0.8rem 1.5rem; }
.legal-card h2 { font-size: 1.15rem; margin-block: 1.8rem 0.6rem; color: var(--blue); }
.legal-card p + p { margin-block-start: 0.9rem; }
.legal-card .btn { margin-block-start: 2rem; }

/* ===== STICKY MOBILE BAR ===== */
.mobile-action-bar {
  position: fixed; inset: auto 0 0 0; z-index: 60; display: none;
  grid-template-columns: 1fr 1fr 1.4fr;
  background: var(--ink); border-block-start: 3px solid var(--amber);
}
.mobile-action-bar a { display: grid; place-items: center; min-height: 56px; font-weight: 700; font-size: 0.9rem; text-decoration: none; }
.action-call { color: var(--amber); }
.action-wa { color: #4cc95b; border-inline: 1px dashed rgba(244,245,242,0.3); }
.action-cta { background: var(--amber); color: var(--ink); }

/* ===== REVEALS ===== */
.reveal { opacity: 0; clip-path: inset(0 0 100% 0); transition: opacity 0.6s var(--ease-tech), clip-path 0.6s var(--ease-tech); }
.reveal.visible { opacity: 1; clip-path: inset(0 0 0 0); }
noscript + .reveal, noscript ~ .reveal { opacity: 1; clip-path: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; clip-path: none; transition: none; }
  .hero-rise { opacity: 1; animation: none; }
  .hero-draw { animation: none; opacity: 0.85; clip-path: none; }
  .cue-line::after { animation: none; opacity: 0; }
  .progress-bar { transition: none; }
  .btn, .sheet, .service-row { transition: none; }
  .btn:hover, .sheet:hover { translate: none; }
  .service-row:hover { padding-inline-start: 0; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1020px) {
  .phase-track { grid-template-columns: repeat(2, 1fr); gap: 1.75rem 1rem; }
  .phase-track::before { display: none; }
  .project-sheets { grid-template-columns: 1fr 1fr; }
  .sheet:nth-child(3) { grid-column: span 2; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-spec { max-width: 440px; }
  .draw-a, .draw-c { display: none; }
  .safety-grid, .estimate-grid { grid-template-columns: 1fr; }
  .safety-visual { justify-items: start; }
}
@media (max-width: 760px) {
  .nav-toggle {
    display: grid; place-items: center; gap: 5px; width: 44px; height: 44px;
    background: transparent; border: 1px dashed rgba(244,245,242,0.5); border-radius: 0; cursor: pointer; z-index: 60;
  }
  .nav-toggle .bar { width: 20px; height: 2px; background: var(--paper); border-radius: 0; transition: transform var(--dur-fast), opacity var(--dur-fast); }
  .nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .primary-nav {
    position: fixed; inset: var(--header-h) 0 0 0; flex-direction: column;
    background: var(--ink); padding: 2.5rem 8%;
    align-items: flex-start; gap: 1.5rem;
    opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s;
  }
  .primary-nav.open { opacity: 1; visibility: visible; }
  .primary-nav ul { flex-direction: column; gap: 1.35rem; }
  .primary-nav ul li { opacity: 0; translate: 0 -8px; transition: opacity 0.4s var(--ease-tech), translate 0.4s var(--ease-tech); }
  .primary-nav.open ul li { opacity: 1; translate: 0 0; transition-delay: calc(var(--i, 0) * 40ms); }
  .nav-cta { margin-block-start: 0.5rem; }

  .phase-track { grid-template-columns: 1fr; }
  .project-sheets { grid-template-columns: 1fr; }
  .sheet:nth-child(3) { grid-column: auto; }
  .service-row { grid-template-columns: 56px 1fr; }
  .service-row p { grid-column: 2; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-phone { display: none; }
  .mobile-action-bar { display: grid; }
  body { padding-block-end: 56px; }
  .scroll-cue { display: none; }
}

/* ===== HERO COPY + SAFETY COPY + SOCIAL ===== */
.hero-copy { display: grid; gap: 1.05rem; align-content: center; }
.safety-copy { display: grid; gap: 1rem; align-content: center; }
.social { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.social a { color: rgba(244, 245, 242, 0.75); text-decoration: none; border-block-end: 2px solid var(--amber); padding-block-end: 0.2rem; font-weight: 600; letter-spacing: 0.03em; }
.social a:hover { color: var(--amber); }