/* =============================================
   BARRIO 40 — stylesheet (mobile-first)
   ============================================= */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --night:    #1B2213;
  --military: #3D5229;
  --olive:    #6B7C45;
  --sand:     #D4C99A;
  --charcoal: #1A1A18;
  --cream:    #EAE2CC;
  --base:     #131410;
  --border:   #2E3228;
  --muted:    #A8A090;
  --dim:      #7A8470;
}

html { scroll-behavior: smooth; }

body {
  background: var(--base);
  color: var(--sand);
  font-family: 'Share Tech Mono', monospace;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* ─── NAV ─────────────────────────────────── */

#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(19, 20, 16, 0.96);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-wordmark {
  font-family: 'Anton', sans-serif;
  font-size: 18px;
  color: var(--cream);
  letter-spacing: 1px;
}

.nav-wordmark span { color: var(--olive); }

.nav-links {
  display: none;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--sand); }

.nav-toggle {
  display: flex;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  line-height: 0;
}

/* ─── MOBILE MENU ─────────────────────────── */

.mobile-menu {
  display: none;
  position: fixed;
  top: 57px;
  left: 0; right: 0;
  background: rgba(19, 20, 16, 0.98);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.mobile-menu.open { display: block; }

.mobile-menu ul { list-style: none; padding: 8px 24px 16px; }

.mobile-menu li { border-bottom: 1px solid var(--border); }

.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

.mobile-menu a:hover { color: var(--sand); }

/* ─── HERO ────────────────────────────────── */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 100px 24px 60px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #131410 0%, #1B2213 55%, #1A1A18 100%);
  z-index: 0;
}

.hero-mark {
  position: absolute;
  top: -200px;
  right: -160px;
  opacity: 0.05;
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.hero-label {
  font-size: 9px;
  letter-spacing: 5px;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero h1 {
  font-family: 'Anton', sans-serif;
  font-size: clamp(56px, 14vw, 152px);
  line-height: 0.88;
  color: var(--cream);
  margin-bottom: 32px;
  max-width: 960px;
}

.hero h1 .accent { color: var(--olive); }

.hero-sub {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 40px;
}

.ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-primary {
  display: inline-block;
  background: var(--olive);
  color: var(--charcoal);
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: 2px;
  transition: background 0.2s;
}

.btn-primary:hover { background: var(--sand); }

.btn-secondary {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: 2px;
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover { border-color: var(--olive); color: var(--sand); }

/* ─── SECTIONS COMMON ─────────────────────── */

section {
  padding: 64px 24px;
  border-bottom: 1px solid var(--border);
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 9px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 40px;
}

.section-h {
  font-family: 'Anton', sans-serif;
  font-size: clamp(32px, 7vw, 72px);
  color: var(--cream);
  line-height: 0.95;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 13px;
  color: var(--muted);
  max-width: 540px;
  line-height: 1.75;
  margin-bottom: 48px;
}

/* ─── CAPABILITIES ────────────────────────── */

.capabilities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}

.cap-card {
  background: var(--charcoal);
  padding: 32px 28px;
  position: relative;
  transition: background 0.2s;
}

.cap-card:hover { background: #1d1d1b; }

.cap-num {
  font-size: 8px;
  letter-spacing: 3px;
  color: var(--dim);
  position: absolute;
  top: 20px;
  right: 20px;
}

.cap-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 20px;
}

.cap-title {
  font-family: 'Anton', sans-serif;
  font-size: 20px;
  color: var(--cream);
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  line-height: 1;
}

.cap-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}

/* ─── APPROACH ────────────────────────────── */

.approach { background: var(--night); }

.approach-pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: #253018;
  border: 1px solid #253018;
}

.pillar { background: var(--night); padding: 36px 28px; }

.pillar-num {
  font-size: 8px;
  letter-spacing: 3px;
  color: var(--dim);
  margin-bottom: 20px;
}

.pillar-title {
  font-family: 'Anton', sans-serif;
  font-size: 26px;
  color: var(--sand);
  line-height: 1;
  margin-bottom: 14px;
}

.pillar-text {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.75;
}

/* ─── WORK ────────────────────────────────── */

.work-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}

a.work-card { display: flex; }

.work-card {
  background: var(--charcoal);
  padding: 28px 28px 52px;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  position: relative;
  transition: background 0.2s;
  cursor: default;
}

.work-card:hover { background: #1e1e1b; }

.work-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
  gap: 12px;
}

.work-type {
  font-size: 8px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--olive);
  background: rgba(107, 124, 69, 0.1);
  border: 1px solid rgba(107, 124, 69, 0.2);
  padding: 4px 10px;
  border-radius: 2px;
  white-space: nowrap;
}

.work-year {
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--dim);
  flex-shrink: 0;
}

.work-title {
  font-family: 'Anton', sans-serif;
  font-size: 26px;
  color: var(--cream);
  line-height: 0.95;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.work-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}

.work-arrow {
  position: absolute;
  bottom: 20px;
  right: 24px;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--dim);
  transition: color 0.2s, right 0.2s;
}

.work-card:hover .work-arrow {
  color: var(--olive);
  right: 18px;
}

/* ─── PROJECT PAGES ─────────────────────────── */

.project-page { padding-top: 64px; }

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.project-chip {
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--olive);
  border: 1px solid rgba(107, 124, 69, 0.35);
  background: rgba(107, 124, 69, 0.12);
  padding: 6px 10px;
  border-radius: 2px;
}

.project-block {
  background: var(--charcoal);
  border: 1px solid var(--border);
  padding: 24px;
}

.project-block h2 {
  font-family: 'Anton', sans-serif;
  font-size: clamp(22px, 5vw, 36px);
  color: var(--cream);
  line-height: 1;
  margin-bottom: 14px;
}

.project-list {
  margin-left: 18px;
  color: var(--muted);
  line-height: 1.8;
  font-size: 12px;
}

.project-list li + li { margin-top: 6px; }

.project-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.project-back {
  display: inline-block;
  margin-top: 12px;
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dim);
}

.project-back:hover { color: var(--sand); }

/* ─── CTA / CONTACT ───────────────────────── */

.cta-section {
  background: linear-gradient(140deg, var(--charcoal) 0%, var(--night) 100%);
  padding: 72px 24px;
  text-align: center;
  border-bottom: none;
}

.cta-h {
  font-family: 'Anton', sans-serif;
  font-size: clamp(40px, 9vw, 96px);
  color: var(--cream);
  line-height: 0.9;
  margin-bottom: 20px;
}

.cta-h .accent { color: var(--olive); }

.cta-sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 44px;
  line-height: 1.75;
}

.cta-email {
  font-family: 'Anton', sans-serif;
  font-size: clamp(18px, 5vw, 42px);
  color: var(--sand);
  letter-spacing: 2px;
  display: block;
  margin-bottom: 44px;
  transition: color 0.2s;
  word-break: break-all;
}

.cta-email:hover { color: var(--olive); }

/* ─── FOOTER ──────────────────────────────── */

footer {
  background: var(--charcoal);
  padding: 32px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-wordmark {
  font-family: 'Anton', sans-serif;
  font-size: 16px;
  color: var(--cream);
  letter-spacing: 1px;
}

.footer-wordmark span { color: var(--olive); }

.footer-tag {
  font-size: 8px;
  letter-spacing: 3px;
  color: var(--dim);
  margin-top: 2px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  list-style: none;
}

.footer-links a {
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dim);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--muted); }

.footer-copy {
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--dim);
}

/* ─── TABLET  ≥ 640px ─────────────────────── */

@media (min-width: 640px) {
  #nav { padding: 16px 40px; }
  .nav-wordmark { font-size: 20px; }
  .nav-links { display: flex; }
  .nav-toggle { display: none; }

  .hero { padding: 140px 40px 80px; }

  section { padding: 100px 40px; }
  .cta-section { padding: 120px 40px; }
  footer { padding: 40px; }

  .cap-card { padding: 40px 36px; }
  .cap-icon { width: 40px; height: 40px; }
  .cap-title { font-size: 22px; }

  .pillar { padding: 48px 40px; }
  .pillar-title { font-size: 28px; }

  .work-card { padding: 36px 40px 56px; }
  .work-title { font-size: 30px; }
  .project-page { padding-top: 76px; }
  .project-block { padding: 36px; }

  .capabilities-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .footer-links { gap: 32px; }
}

/* ─── DESKTOP  ≥ 960px ────────────────────── */

@media (min-width: 960px) {
  .capabilities-grid { grid-template-columns: repeat(3, 1fr); }
  .approach-pillars   { grid-template-columns: repeat(3, 1fr); }
  .work-grid          { grid-template-columns: repeat(2, 1fr); }
}