/* ==========================================================================
   Monument Forge - Design System
   Palette: deep navy + slate + warm off-white, antique bronze metallic accent
   Type:    Fraunces (monumental display serif) / Inter (body) / IBM Plex Mono (data)
   ========================================================================== */

:root {
  /* Color */
  --ink:         #0C1826;   /* deep navy, near-black - dark sections */
  --navy:        #122339;   /* secondary dark surface */
  --navy-700:    #1C3552;   /* borders / hover on dark */
  --slate:       #46566A;   /* body text on light */
  --slate-soft:  #7A8898;   /* captions / muted */
  --paper:       #F6F6F3;   /* warm off-white page background */
  --white:       #FFFFFF;
  --line:        #E4E4DD;   /* hairline rules on light */
  --line-dark:   #21364F;   /* hairline rules on dark */
  --bronze:      #A87C44;   /* antique brass accent (on light) */
  --bronze-soft: #CBA56A;   /* brass accent (on dark) */

  /* Type */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  /* Scale */
  --step-eyebrow: 0.72rem;
  --step-body:    1.0625rem;
  --step-lead:    1.25rem;
  --step-h3:      clamp(1.3rem, 2.2vw, 1.6rem);
  --step-h2:      clamp(1.9rem, 3.6vw, 2.9rem);
  --step-h1:      clamp(2.6rem, 6vw, 4.9rem);

  /* Layout */
  --maxw: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 3px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-body);
  line-height: 1.65;
  color: var(--slate);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 540;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
  font-optical-sizing: auto;
}

/* ---------- Layout primitives ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(4rem, 8vw, 7rem); }
.section--tight { padding-block: clamp(3rem, 5vw, 4.5rem); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step-eyebrow);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.25rem;
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--bronze);
  display: inline-block;
}
.section-title { font-size: var(--step-h2); max-width: 22ch; }
.lead { font-size: var(--step-lead); color: var(--slate); max-width: 60ch; line-height: 1.6; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.7rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--bronze); color: #fff; }
.btn--primary:hover { background: #946b39; }
.btn--ghost { border-color: var(--line-dark); color: #fff; }
.btn--ghost:hover { border-color: var(--bronze-soft); color: var(--bronze-soft); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--navy); }
.btn--outline-dark { border-color: var(--ink); color: var(--ink); }
.btn--outline-dark:hover { background: var(--ink); color: #fff; }
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(12, 24, 38, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-dark);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 0.7rem; color: #fff; }
.brand__mark {
  width: 30px; height: 30px; flex: none;
}
.brand__name {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 560;
  letter-spacing: 0.005em;
  color: #fff;
}
.nav__links { display: flex; align-items: center; gap: 2.2rem; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  font-size: 0.92rem;
  color: #C4CEDA;
  letter-spacing: 0.01em;
  transition: color .2s var(--ease);
  position: relative;
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: #fff; }
.nav__links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 1px; background: var(--bronze-soft);
}
.nav__cta { margin-left: 0.5rem; }
.nav__toggle {
  display: none; background: none; border: 0; padding: 8px;
  flex-direction: column; gap: 5px;
}
.nav__toggle span { width: 24px; height: 2px; background: #fff; transition: .25s var(--ease); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  padding-block: clamp(5rem, 11vw, 9rem);
}
/* engraved monolith motif + faint surveyor grid */
.hero__bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(203,165,106,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(203,165,106,0.05) 1px, transparent 1px);
  background-size: 90px 90px;
  mask-image: radial-gradient(120% 90% at 78% 30%, #000 35%, transparent 72%);
}
.hero__slab {
  position: absolute; top: -6%; right: -4%; bottom: -10%; width: 38%;
  z-index: 0; pointer-events: none;
  background: linear-gradient(160deg, #16294180 0%, #0C182600 70%);
  border-left: 1px solid rgba(203,165,106,0.28);
}
.hero__slab::before {
  content: ""; position: absolute; top: 12%; left: 1px; width: 1px; height: 76%;
  background: linear-gradient(to bottom, transparent, var(--bronze-soft), transparent);
}
.hero .wrap { position: relative; z-index: 1; }
.hero__eyebrow { color: var(--bronze-soft); }
.hero__eyebrow::before { background: var(--bronze-soft); }
.hero h1 {
  color: #fff;
  font-size: var(--step-h1);
  font-weight: 500;
  max-width: 16ch;
  margin-bottom: 1.6rem;
}
.hero h1 em { font-style: normal; color: var(--bronze-soft); }
.hero__sub { font-size: var(--step-lead); color: #B9C4D1; max-width: 52ch; margin-bottom: 2.4rem; line-height: 1.6; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; }

/* hero stat strip */
.hero__meta {
  display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 5vw, 4rem);
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 2rem;
  border-top: 1px solid var(--line-dark);
}
.hero__meta div { min-width: 120px; }
.hero__meta dt { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--slate-soft); }
.hero__meta dd { margin: 0.4rem 0 0; font-family: var(--font-display); font-size: 1.55rem; color: #fff; }

/* ==========================================================================
   Sections on light
   ========================================================================== */
.section-head { margin-bottom: clamp(2.5rem, 5vw, 3.5rem); max-width: 70ch; }
.section--ink { background: var(--ink); color: #B9C4D1; }
.section--ink h2, .section--ink h3 { color: #fff; }
.section--ink .eyebrow { color: var(--bronze-soft); }
.section--ink .eyebrow::before { background: var(--bronze-soft); }
.section--navy { background: var(--navy); color: #B9C4D1; }
.section--navy h2, .section--navy h3 { color: #fff; }

/* Outcomes grid */
.grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.cell { background: var(--white); padding: 2.2rem 2rem; }
.cell__num { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.18em; color: var(--bronze); }
.cell h3 { font-size: var(--step-h3); margin: 1rem 0 0.6rem; }
.cell p { margin: 0; color: var(--slate); font-size: 1rem; }

/* Services list (alternating rows) */
.svc { border-top: 1px solid var(--line); }
.svc:last-child { border-bottom: 1px solid var(--line); }
.svc__row {
  display: grid; grid-template-columns: 0.9fr 1.6fr 0.9fr; gap: 2rem;
  align-items: start; padding-block: 2.6rem;
}
.svc__id { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.16em; color: var(--bronze); padding-top: 0.4rem; }
.svc__title { font-size: var(--step-h3); }
.svc__body p { margin: 0 0 1rem; color: var(--slate); font-size: 1rem; }
.svc__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: flex-end; }
.tag {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em;
  color: var(--slate); border: 1px solid var(--line); border-radius: 999px;
  padding: 0.35rem 0.8rem; background: var(--white);
}

/* Industries */
.ind-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.ind-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2rem; transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.ind-card:hover { border-color: var(--bronze); transform: translateY(-3px); box-shadow: 0 18px 40px -28px rgba(12,24,38,0.45); }
.ind-card__kicker { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.16em; color: var(--bronze); text-transform: uppercase; }
.ind-card h3 { font-size: var(--step-h3); margin: 0.8rem 0 0.7rem; }
.ind-card p { margin: 0; font-size: 0.98rem; color: var(--slate); }

/* Industry detail (deep sections) */
.ind-detail { border-top: 1px solid var(--line); padding-block: clamp(3rem, 6vw, 4.5rem); }
.ind-detail__grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.ind-detail h2 { font-size: var(--step-h2); }
.ind-detail .label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze); margin-bottom: 1rem; }
.challenge-list { list-style: none; margin: 1.2rem 0 0; padding: 0; }
.challenge-list li { position: relative; padding-left: 1.6rem; margin-bottom: 0.85rem; color: var(--slate); }
.challenge-list li::before { content: ""; position: absolute; left: 0; top: 0.65em; width: 8px; height: 1px; background: var(--bronze); }

/* Process (numbered - a real sequence, so numbering earns its place) */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.process__step { padding: 2.2rem 1.6rem 2.2rem 0; border-top: 2px solid var(--bronze); position: relative; }
.process__step + .process__step { padding-left: 1.6rem; }
.process__num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--bronze-soft); letter-spacing: 0.1em; }
.process__step h3 { font-size: var(--step-h3); margin: 1rem 0 0.6rem; color: #fff; }
.process__step p { margin: 0; color: #9FB0C0; font-size: 0.98rem; }

/* Capability columns (about) */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cap { background: var(--white); padding: 2rem 1.6rem; }
.cap__num { font-family: var(--font-mono); color: var(--bronze); font-size: 0.75rem; letter-spacing: 0.14em; }
.cap h3 { font-size: 1.15rem; margin: 0.9rem 0 0.5rem; }
.cap p { margin: 0; font-size: 0.95rem; color: var(--slate); }

/* Split content (about intro, value props) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.split__media {
  aspect-ratio: 4 / 3; border-radius: var(--radius); border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(168,124,68,0.10), transparent 60%),
    repeating-linear-gradient(135deg, #eef0ef 0 2px, #f6f6f3 2px 22px);
  display: flex; align-items: flex-end; padding: 1.25rem;
}
.split__media span { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; color: var(--slate-soft); text-transform: uppercase; }
.section--ink .split__media { border-color: var(--line-dark); background:
    linear-gradient(135deg, rgba(203,165,106,0.14), transparent 60%),
    repeating-linear-gradient(135deg, #132741 0 2px, #0f2138 2px 22px); }

/* Branded statement panel (used in place of a photo) */
.brand-panel {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden;
  border: 1px solid var(--line-dark); border-radius: var(--radius);
  background: var(--ink); color: #fff;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: clamp(1.6rem, 3vw, 2.4rem);
}
.brand-panel__grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(203,165,106,0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(203,165,106,0.07) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(120% 100% at 82% 18%, #000 28%, transparent 76%);
}
.brand-panel > *:not(.brand-panel__grid) { position: relative; z-index: 1; }
.brand-panel__eyebrow {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--bronze-soft); margin: 0;
}
.brand-panel__statement {
  font-family: var(--font-display); font-weight: 500; color: #fff;
  font-size: clamp(1.35rem, 2.6vw, 1.95rem); line-height: 1.2;
  max-width: 18ch; margin: 0;
}
.brand-panel__foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand-panel__foot svg { width: 44px; height: 44px; flex: none; }
.brand-panel__foot span { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--slate-soft); }

/* Pillars list (about values) */
.pillars { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.pillars li { border-top: 1px solid var(--line); padding-block: 1.5rem; display: grid; grid-template-columns: 0.5fr 2fr; gap: 1.5rem; }
.pillars li:last-child { border-bottom: 1px solid var(--line); }
.pillars .p-title { font-family: var(--font-display); font-size: 1.2rem; color: var(--ink); }
.pillars p { margin: 0; color: var(--slate); font-size: 1rem; }

/* CTA band */
.cta-band { background: var(--ink); color: #fff; text-align: center; }
.cta-band h2 { font-size: var(--step-h2); color: #fff; max-width: 20ch; margin: 0 auto 2rem; }
.cta-band .eyebrow { justify-content: center; color: var(--bronze-soft); }
.cta-band .eyebrow::before { background: var(--bronze-soft); }

/* ==========================================================================
   Contact form
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2.5rem, 6vw, 5rem); }
.contact-aside h2 { font-size: var(--step-h2); margin-bottom: 1.2rem; }
.contact-aside .lead { margin-bottom: 2rem; }
.contact-detail { border-top: 1px solid var(--line); padding-block: 1.1rem; }
.contact-detail dt { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze); }
.contact-detail dd { margin: 0.35rem 0 0; color: var(--ink); }

.form { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.6rem, 4vw, 2.6rem); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.field { margin-bottom: 1.2rem; }
.field label { display: block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate); margin-bottom: 0.5rem; }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--font-body); font-size: 1rem; color: var(--ink);
  padding: 0.85rem 0.9rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper); transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--bronze); box-shadow: 0 0 0 3px rgba(168,124,68,0.15); background: #fff;
}
.field textarea { resize: vertical; min-height: 130px; }
.form__note { font-size: 0.85rem; color: var(--slate-soft); margin-top: 1rem; }
.hidden-hp { position: absolute; left: -9999px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: #08111C; color: #8FA0B2; padding-block: clamp(3.5rem, 6vw, 5rem) 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; }
.footer-brand .brand__name { color: #fff; }
.footer-brand p { font-size: 0.95rem; max-width: 34ch; margin: 1.2rem 0 0; line-height: 1.6; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze-soft); font-weight: 500; margin: 0 0 1.1rem; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 0.7rem; }
.footer-col a { font-size: 0.95rem; color: #9FB0C0; transition: color .2s var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  margin-top: clamp(3rem, 5vw, 4rem); padding-top: 1.6rem; border-top: 1px solid var(--line-dark);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; color: #6E7F91;
}

/* ==========================================================================
   Scroll reveal + motion
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
  .grid--3, .ind-grid, .process, .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .svc__row { grid-template-columns: 1fr; gap: 1rem; }
  .svc__tags { justify-content: flex-start; }
  .split, .contact-grid, .ind-detail__grid { grid-template-columns: 1fr; }
  .process__step { border-top: 2px solid var(--bronze); padding-left: 0 !important; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .nav__links {
    position: fixed; inset: 76px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--ink); border-bottom: 1px solid var(--line-dark);
    padding: 1rem var(--gutter) 1.5rem;
    transform: translateY(-130%); transition: transform .3s var(--ease);
    height: auto;
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links li { width: 100%; }
  .nav__links a { display: block; padding: 0.9rem 0; width: 100%; border-bottom: 1px solid var(--line-dark); }
  .nav__cta { margin: 0.8rem 0 0; }
  .nav__toggle { display: flex; }
  .grid--3, .grid--2, .ind-grid, .process, .cap-grid, .form__row, .pillars li { grid-template-columns: 1fr; }
  .hero__meta { gap: 1.5rem 2rem; }
}