/* ─── Components ─────────────────────────────────────────────────────────── */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 14px 28px;
  border-radius: 6px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--t-sm);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

.btn-primary {
  background: var(--primary);
  color: #070A0F;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: #38EDF8;
  border-color: #38EDF8;
  color: #070A0F;
  box-shadow: 0 0 24px rgba(34,211,238,0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(34,211,238,0.06);
}

.btn-secondary {
  background: var(--secondary);
  color: #fff;
  border-color: var(--secondary);
}
.btn-secondary:hover {
  background: #9E6EFF;
  border-color: #9E6EFF;
  box-shadow: 0 0 24px rgba(139,92,246,0.35);
}

/* PWA install button */
.btn-pwa {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  font-size: var(--t-xs);
  padding: 10px 16px;
}
.btn-pwa:hover { color: var(--text-primary); border-color: var(--primary); }

/* ── Site Nav ── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7,10,15,0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--s-8);
  padding-inline: var(--gap-mobile);
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(var(--t-md), 2.5vw, var(--t-lg));
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-8);
}

.nav-link {
  font-family: 'Inter', sans-serif;
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 200ms;
  white-space: nowrap;
}
.nav-link:hover { color: var(--text-primary); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-shrink: 0;
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  padding: var(--s-2);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

/* Mobile nav */
@media (max-width: 767px) {
  .nav-links { 
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(7,10,15,0.97);
    border-bottom: 1px solid var(--border);
    padding: var(--gap-mobile);
    gap: var(--s-4);
    z-index: 99;
  }
  .nav-links.is-open {
    display: flex;
  }
  .nav-link {
    padding: var(--s-3) var(--s-2);
    font-size: var(--t-md);
  }
  .nav-hamburger { 
    display: flex;
  }
  .nav-actions {
    gap: var(--s-2);
  }
  .nav-actions .btn-pwa { 
    display: none;
  }
  .nav-actions .btn {
    font-size: var(--t-xs);
    padding: 10px 16px;
  }
}

/* ── Mobile fixed CTA ── */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(7,10,15,0.95);
  border-top: 1px solid var(--border);
  padding: var(--s-3) var(--s-4);
  backdrop-filter: blur(12px);
}
.mobile-cta .btn { width: 100%; justify-content: center; }
@media (max-width: 768px) { .mobile-cta { display: block; } }

/* ── Hero ── */
.hero {
  padding-top: 64px; /* nav height */
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-bottom: var(--pad-mobile);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-desktop);
  align-items: center;
  padding-block: var(--s-24);
}

.hero-copy h1 {
  margin-top: var(--s-3);
  margin-bottom: var(--s-6);
  font-size: clamp(var(--t-2xl), 5vw, var(--t-3xl));
}

.hero-sub {
  font-size: clamp(var(--t-md), 2.2vw, var(--t-lg));
  color: var(--muted);
  max-width: 520px;
  margin-bottom: var(--s-8);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(var(--s-2), 2vw, var(--s-4));
  align-items: center;
  margin-bottom: var(--s-8);
}

.hero-social {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  flex-wrap: wrap;
}
.hero-social a {
  font-size: var(--t-sm);
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.hero-social a:hover { color: var(--steel); }

.hero-photo {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-top: var(--s-2);
}
.hero-photo img {
  width: clamp(40px, 5vw, 56px);
  height: clamp(40px, 5vw, 56px);
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--hairline);
}
.hero-photo-label {
  font-size: var(--t-xs);
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
}

/* Hero profile photo (right column) */
.hero-profile-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-profile-img {
  width: 100%;
  max-width: 460px;
  height: auto;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--copper);
  box-shadow: 0 8px 40px rgba(14,17,22,0.12);
}

/* Mobile and tablet hero adjustments */
@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding-block: var(--pad-mobile);
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--gap-mobile);
    padding-block: var(--s-16);
  }
  
  .hero-copy h1 {
    font-size: clamp(var(--t-xl), 6vw, var(--t-2xl));
  }

  .hero-sub {
    font-size: var(--t-md);
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .arch-wrap { order: -1; }
  .arch-panel { max-height: 240px; }
}

@media (max-width: 479px) {
  .hero {
    padding-top: 64px;
    padding-bottom: var(--s-12);
  }
  
  .hero-grid {
    gap: var(--s-6);
    padding-block: var(--s-12);
  }
  
  .hero-copy h1 {
    font-size: clamp(var(--t-lg), 5.5vw, var(--t-xl));
    margin-bottom: var(--s-4);
  }
  
  .hero-sub {
    font-size: clamp(var(--t-sm), 2vw, var(--t-md));
    margin-bottom: var(--s-6);
  }
  
  .hero-actions {
    gap: var(--s-3);
    margin-bottom: var(--s-6);
  }
}

/* ── Credibility bar ── */
.cred-bar {
  background: var(--ink);
  color: var(--paper);
  padding-block: var(--s-10);
}

.cred-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: clamp(var(--s-4), 3vw, var(--s-6));
  text-align: center;
}

.cred-item strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(var(--t-md), 3vw, var(--t-lg));
  color: var(--signal);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.cred-item span {
  font-size: var(--t-xs);
  color: #8B95A2;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}

@media (max-width: 480px) {
  .cred-grid { 
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap-mobile);
  }
}

/* ── Problem section ── */
.problem { padding-block: var(--s-24); border-bottom: 1px solid var(--border); }

.problem-intro {
  max-width: var(--w-text);
  margin-bottom: var(--s-12);
}
.problem-intro h2 { margin-bottom: var(--s-4); }

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-desktop);
}

.problem-card {
  padding: clamp(var(--s-6), 3vw, var(--s-8));
  border: 1px solid var(--border);
  border-radius: 8px;
  border-top: 3px solid var(--secondary);
  background: var(--surface);
  transition: transform 200ms, box-shadow 200ms, border-color 200ms;
}
.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(139,92,246,0.12);
  border-color: var(--secondary);
}
.problem-card h3 {
  font-size: var(--t-lg);
  margin-bottom: var(--s-4);
  color: var(--text-primary);
}
.problem-card p { 
  font-size: var(--t-sm);
  line-height: 1.6;
}

@media (max-width: 480px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: var(--gap-mobile);
  }
}

/* ── Services section ── */
.services { padding-block: var(--s-24); background: var(--surface); }

.section-header { max-width: var(--w-text); margin-bottom: var(--s-12); }
.section-header h2 { margin-bottom: var(--s-4); }

/* Asymmetric 3-column layout */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--gap-desktop);
  align-items: start;
}

.offer-card {
  padding: clamp(var(--s-6), 3vw, var(--s-8));
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-elevated);
  transition: border-color 200ms, transform 200ms, box-shadow 200ms;
}
.offer-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(34,211,238,0.08);
}
.offer-card--featured {
  border-color: var(--primary);
  border-width: 2px;
  background: rgba(34,211,238,0.05);
  position: relative;
}
.offer-card--featured::before {
  content: attr(data-badge);
  position: absolute;
  top: -12px;
  left: var(--s-6);
  background: var(--primary);
  color: #070A0F;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 10px;
  border-radius: 4px;
  font-weight: 600;
}

.offer-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--t-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--s-4);
  display: block;
}
.offer-card--featured .offer-name { font-size: var(--t-xl); }

.offer-desc { font-size: var(--t-sm); margin-bottom: var(--s-5); }

.offer-meta {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  margin-bottom: var(--s-6);
  padding-top: var(--s-4);
  border-top: 1px solid var(--hairline);
}
.offer-meta-item {
  display: flex;
  gap: var(--s-2);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-xs);
}
.offer-meta-item .label { color: var(--text-secondary); min-width: 80px; }
.offer-meta-item .value { color: var(--text-primary); font-weight: 500; }

.offer-not-for {
  font-size: var(--t-xs);
  color: var(--muted);
  font-style: italic;
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px solid var(--hairline);
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr; }
  .offer-card--featured { margin-top: 0; }
  .offer-card--wide { grid-template-columns: 1fr !important; }
}

/* ── Cases section ── */
.cases { padding-block: var(--s-24); border-top: 1px solid var(--border); }

.case-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--s-6), 4vw, var(--s-12));
  align-items: start;
  padding-block: clamp(var(--s-8), 3vw, var(--s-12));
  border-bottom: 1px solid var(--border);
}
.case-item:last-child { border-bottom: none; }
.case-item--reverse .case-text { order: 2; }
.case-item--reverse .case-visual { order: 1; }

.case-context { 
  font-size: var(--t-sm);
  margin-bottom: var(--s-4);
}

.case-results {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(var(--s-4), 3vw, var(--s-6));
  margin: var(--s-6) 0;
}
.case-result strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(var(--t-lg), 3vw, var(--t-xl));
  color: var(--accent);
  font-weight: 500;
  letter-spacing: -0.03em;
}
.case-result span { 
  font-size: var(--t-xs);
  color: var(--muted);
}

.case-quote {
  border-left: 3px solid var(--secondary);
  padding-left: var(--s-4);
  font-style: italic;
  font-size: var(--t-sm);
  color: var(--text-secondary);
  margin-top: var(--s-4);
  line-height: 1.7;
}

.case-visual {
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: clamp(var(--s-4), 3vw, var(--s-6));
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.case-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-xs);
  color: #8B95A2;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.case-sector {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--t-lg);
  color: var(--text-primary);
  font-weight: 600;
}
.case-detail {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-xs);
  color: #8B95A2;
  line-height: 1.8;
}

@media (max-width: 900px) {
  .case-item {
    grid-template-columns: 1fr;
    gap: var(--gap-mobile);
  }
  .case-item--reverse .case-text,
  .case-item--reverse .case-visual {
    order: unset;
  }
}

/* ── Process steps ── */
.process { padding-block: var(--s-24); background: var(--surface); border-top: 1px solid var(--border); }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: clamp(var(--s-4), 3vw, var(--s-8));
  margin-top: var(--s-12);
}

.step {
  position: relative;
  padding-top: var(--s-8);
}
.step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--hairline);
}
.step:first-child::before { background: var(--copper); }

.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(var(--t-2xl), 4vw, var(--t-3xl));
  color: var(--muted);
  font-weight: 500;
  line-height: 1;
  margin-bottom: var(--s-4);
  letter-spacing: -0.04em;
}
.step:first-child .step-num { color: var(--copper); }

.step h3 {
  font-size: clamp(var(--t-md), 2.5vw, var(--t-lg));
  margin-bottom: var(--s-3);
  color: var(--text-primary);
}
.step p { 
  font-size: var(--t-sm);
  line-height: 1.6;
}

.step-deliverable {
  margin-top: var(--s-4);
  padding: var(--s-3);
  background: rgba(34,211,238,0.08);
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-xs);
  color: var(--primary);
}
.step-deliverable::before { content: '↓ '; }

.step-client {
  margin-top: var(--s-3);
  font-size: var(--t-xs);
  color: var(--muted);
  font-style: italic;
}
.step-client::before { content: 'Tu aportación: '; font-style: normal; font-weight: 500; color: var(--primary); }

@media (max-width: 900px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* ── Metrics band ── */
.metrics-band {
  background: var(--surface);
  color: var(--text-primary);
  padding-block: var(--s-20);
  border-top: 1px solid var(--border);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(var(--s-6), 3vw, var(--s-8));
  text-align: center;
  margin-bottom: var(--s-12);
}

.metric-item strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(var(--t-lg), 3vw, var(--t-2xl));
  color: var(--primary);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--s-2);
}
.metric-item span {
  font-size: var(--t-xs);
  color: #8B95A2;
  letter-spacing: 0.05em;
  font-family: 'JetBrains Mono', monospace;
  display: block;
}
.metric-item a {
  display: block;
  font-size: var(--t-xs);
  color: #8B95A2;
  margin-top: var(--s-2);
  word-break: break-word;
}
.metric-item a:hover { color: var(--accent); }

.metrics-linkedin {
  text-align: center;
  padding-top: var(--s-8);
  border-top: 1px solid var(--border);
}
.metrics-linkedin p { color: #8B95A2; font-size: var(--t-sm); margin-bottom: var(--s-4); max-width: none; }
.metrics-linkedin a {
  color: var(--paper);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-sm);
}
.metrics-linkedin a:hover { color: var(--accent); }

@media (max-width: 768px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── About mini ── */
.about-mini { padding-block: var(--s-24); border-top: 1px solid var(--border); }

.about-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-12);
  align-items: start;
}
.about-photo img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}
.about-bio h2 { margin-bottom: var(--s-4); }
.about-bio p { max-width: 600px; }
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--t-sm);
  font-weight: 600;
  margin-top: var(--s-6);
  text-decoration: none;
  color: var(--primary);
}
.link-arrow:hover { color: var(--accent); }

@media (max-width: 600px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo img { width: 100px; height: 100px; }
}

/* ── Expertise matrix ── */
.expertise { padding-block: var(--s-20); border-top: 1px solid var(--border); }

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(var(--s-6), 3vw, var(--s-8));
  margin-top: var(--s-10);
}
.expertise-group h3 {
  font-size: clamp(var(--t-md), 2.5vw, var(--t-lg));
  color: var(--text-primary);
  margin-bottom: var(--s-4);
  padding-bottom: var(--s-3);
  border-bottom: 2px solid var(--secondary);
}
.expertise-group li {
  font-size: var(--t-sm);
  color: var(--text-secondary);
  padding: var(--s-2) 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--s-2);
  word-break: break-word;
}
.expertise-group li::before {
  content: '·';
  color: var(--secondary);
  font-weight: 700;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .expertise-grid { grid-template-columns: 1fr; }
}

/* ── FAQ ── */
.faq { padding-block: var(--s-24); border-top: 1px solid var(--border); }

.faq-list {
  max-width: 780px;
  margin-top: var(--s-10);
}

details {
  border-bottom: 1px solid var(--border);
}
details:first-child { border-top: 1px solid var(--border); }

summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-5) 0;
  cursor: pointer;
  font-weight: 600;
  font-size: var(--t-md);
  color: var(--text-primary);
  user-select: none;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: '+';
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-lg);
  color: var(--primary);
  flex-shrink: 0;
  transition: transform 200ms ease;
}
details[open] summary::after { transform: rotate(45deg); }

.faq-answer {
  padding-bottom: var(--s-6);
  font-size: var(--t-sm);
  color: var(--text-secondary);
  max-width: 640px;
}

/* ── CTA final ── */
.cta-final {
  background: linear-gradient(135deg, #0E131B 0%, #151C26 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  padding-block: var(--s-24);
  text-align: center;
}
.cta-final h2 {
  color: var(--text-primary);
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--s-4);
}
.cta-final p {
  color: var(--text-secondary);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: var(--s-8);
  font-size: var(--t-md);
}
.cta-final .btn-primary {
  font-size: var(--t-md);
  padding: 16px 40px;
}
.cta-not-for {
  margin-top: var(--s-8);
  font-size: var(--t-xs);
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.04em;
}

/* ── Contact form ── */
.contact { padding-block: var(--s-24); border-top: 1px solid var(--border); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--s-8), 4vw, var(--s-16));
  align-items: start;
}

.contact-info h2 { margin-bottom: var(--s-4); }
.contact-info p  { font-size: var(--t-md); }

.contact-detail {
  margin-top: var(--s-8);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.contact-detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}
.contact-detail-item .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.contact-detail-item .value {
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
}
.contact-detail-item .value:hover { color: var(--primary); }

.contact-form-wrap {
  padding: var(--s-8);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.form-field {
  margin-bottom: var(--s-5);
}
.form-field label {
  display: block;
  font-size: var(--t-sm);
  font-weight: 500;
  margin-bottom: var(--s-2);
  color: var(--text-primary);
}
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: var(--t-sm);
  color: var(--text-primary);
  background: var(--surface-elevated);
  transition: border-color 200ms;
  appearance: none;
  -webkit-appearance: none;
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 2px rgba(34,211,238,0.15);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field .field-error {
  display: none;
  font-size: var(--t-xs);
  color: #DC2626;
  margin-top: var(--s-2);
  font-family: 'JetBrains Mono', monospace;
}
.form-field.is-invalid .field-error { display: block; }
.form-field.is-invalid input,
.form-field.is-invalid textarea { border-color: #DC2626; }

/* Honeypot — must be invisible */
.form-honey { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.form-consent {
  margin-bottom: var(--s-5);
}
.consent-label {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
  font-size: var(--t-sm);
  color: var(--text-secondary);
  cursor: pointer;
}
.consent-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  accent-color: var(--primary);
  cursor: pointer;
}
.consent-label a { color: var(--primary); }

.form-status {
  display: none;
  padding: var(--s-4);
  border-radius: var(--radius);
  font-size: var(--t-sm);
  margin-top: var(--s-4);
}
.form-status--success {
  background: #f0faf5;
  border: 1px solid var(--signal);
  color: #0e5c36;
}
.form-status--error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #7f1d1d;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ── Footer ── */
.site-footer {
  background: var(--surface);
  color: var(--text-primary);
  padding-block: var(--s-12);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--s-8);
  flex-wrap: wrap;
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--t-md);
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}
.footer-logo:hover { color: var(--primary); }

.footer-links {
  display: flex;
  gap: var(--s-6);
  flex-wrap: wrap;
  flex-direction: row;
  align-items: center;
}
.footer-links a {
  font-size: var(--t-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 200ms;
}
.footer-links a:hover { color: var(--primary); }

.footer-copy {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-xs);
  color: var(--text-secondary);
  max-width: none;
  margin-top: var(--s-8);
  width: 100%;
  text-align: center;
  border-top: 1px solid var(--border);
  padding-top: var(--s-6);
}

/* Secondary page shared styles */
.page-header {
  padding-block: var(--s-24) var(--s-12);
  border-bottom: 1px solid var(--border);
}
.page-header h1 { margin-top: var(--s-3); margin-bottom: var(--s-4); }
.page-header .lead { font-size: var(--t-lg); color: var(--text-secondary); max-width: 640px; }

.page-body {
  padding-block: var(--s-12);
}

/* Pill badge */
.badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.badge--steel { border-color: var(--primary); color: var(--primary); }
.badge--signal { border-color: var(--accent); color: var(--accent); }