/* =============================================================================
   Magma Geoscience — Theme CSS
   Version: 1.0.0
   Color palette:
     --orange:       #E07B22   (primary brand orange)
     --orange-dark:  #C06618
     --orange-light: #F09040
     --black:        #0D0D0D
     --dark:         #1A1A1A
     --mid:          #2E2E2E
     --gray:         #6B6B6B
     --light-gray:   #F0F0F0
     --white:        #FFFFFF
   ============================================================================= */

/* ── Custom Properties ─────────────────────────────────────────────────────── */
:root {
  --orange:       #E07B22;
  --orange-dark:  #C06618;
  --orange-light: #F09040;
  --black:        #0D0D0D;
  --dark:         #1A1A1A;
  --mid:          #2E2E2E;
  --gray:         #6B6B6B;
  --light-gray:   #F0F0F0;
  --off-white:    #FAF9F7;
  --white:        #FFFFFF;

  --font-head:    'Rajdhani', 'Inter', sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --radius:       6px;
  --radius-lg:    12px;
  --shadow-sm:    0 2px 8px rgba(0,0,0,.08);
  --shadow-md:    0 6px 24px rgba(0,0,0,.12);
  --shadow-lg:    0 16px 48px rgba(0,0,0,.18);

  --nav-height:   72px;
  --section-pad:  100px;
  --container:    1200px;
  --transition:   0.25s ease;
}

/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--dark);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--orange); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--orange-dark); }
ul { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

/* ── Layout Utilities ──────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section-light { background: var(--off-white); }
.section-dark  { background: var(--dark); color: var(--white); }

/* ── Section Headers ───────────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--dark);
  margin-bottom: 16px;
}
.section-header--light h2,
.section-header--light .section-label { color: var(--white); }
.section-header--light .section-label { color: var(--orange-light); }
.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 680px;
  margin: 0 auto;
}
.section-header--light .section-subtitle { color: rgba(255,255,255,.7); }
.section-paper-ref {
  margin-top: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,.5);
  font-style: italic;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.2;
}
.btn-primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}
.btn-primary:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(224,123,34,.35);
}
.btn-outline {
  background: transparent;
  color: var(--orange);
  border-color: var(--orange);
}
.btn-outline:hover {
  background: var(--orange);
  color: var(--white);
  transform: translateY(-1px);
}
.btn-linkedin { background: #0077B5; border-color: #0077B5; }
.btn-linkedin:hover { background: #005E8E; border-color: #005E8E; color: var(--white); }

/* ── Navigation ────────────────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(10,10,10,.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.site-logo .logo-dark { display: none; }
.site-header.scrolled .logo-light { display: none; }
.site-header.scrolled .logo-dark  { display: block; }

/* Default (transparent header) — show dark logo on light hero text background */
/* Actually we always want the dark logo on the dark hero overlay — show logo-dark only */
.site-logo .logo-light { display: none; }
.site-logo .logo-dark  { display: block; }

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.primary-nav a {
  display: block;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.primary-nav a:hover { color: var(--orange); background: rgba(255,255,255,.06); }
.primary-nav .nav-cta {
  background: var(--orange);
  color: var(--white) !important;
  padding: 8px 20px;
  margin-left: 8px;
}
.primary-nav .nav-cta:hover {
  background: var(--orange-dark);
  color: var(--white);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--white);
}
.hamburger { display: flex; flex-direction: column; gap: 5px; }
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .hamburger span:nth-child(2) { opacity: 0; }
.nav-toggle.open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero Section ──────────────────────────────────────────────────────────── */
.section-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--dark);
  background-image:
    linear-gradient(135deg, rgba(14,14,14,.92) 0%, rgba(26,26,26,.85) 100%),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><path d="M0 60L60 0M-10 10L10-10M50 70L70 50" stroke="%23E07B2215" stroke-width="1"/></svg>');
  background-size: cover, 60px 60px;
}
.section-hero[style*="background-image"] {
  background-size: cover, 60px 60px;
  background-position: center, top left;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,10,.85) 0%, rgba(26,26,26,.75) 100%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 120px 24px 80px;
}
.hero-logo-wrap {
  margin: 0 auto 40px;
  max-width: 320px;
}
.hero-logo { margin: 0 auto; }
.hero-tagline {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--white);
  margin-bottom: 24px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.hero-tagline span { color: var(--orange); }
.hero-subtext {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.72);
  max-width: 640px;
  margin: 0 auto 40px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-actions .btn-outline { color: var(--white); border-color: rgba(255,255,255,.4); }
.hero-actions .btn-outline:hover { color: var(--white); background: rgba(255,255,255,.1); }
.hero-scroll-hint {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.4);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── About Section ─────────────────────────────────────────────────────────── */
.section-about { padding: var(--section-pad) 0; }
.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: start;
}
.about-photo {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}
.about-photo-placeholder {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.about-credentials {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}
.credential {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--white);
  padding: 12px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.credential-icon { font-size: 1.2rem; flex-shrink: 0; }
.credential strong { display: block; font-size: 0.9rem; color: var(--dark); }
.credential span { font-size: 0.8rem; color: var(--gray); }
.about-bio p { color: var(--gray); line-height: 1.8; }
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 32px 0;
}
.stat {
  text-align: center;
  background: var(--dark);
  color: var(--white);
  padding: 20px 12px;
  border-radius: var(--radius);
}
.stat-number {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 0.75rem; color: rgba(255,255,255,.6); }
.memberships-label {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 12px;
}
.memberships-grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.membership-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 20px;
  border: 1.5px solid var(--light-gray);
  border-radius: var(--radius);
  color: var(--dark);
  transition: all var(--transition);
  min-width: 100px;
}
.membership-badge:hover { border-color: var(--orange); color: var(--orange); }
.membership-badge strong { font-size: 1.1rem; }
.membership-badge span { font-size: 0.7rem; color: var(--gray); text-align: center; margin-top: 2px; }

/* ── Technology Section ────────────────────────────────────────────────────── */
.section-technology { padding: var(--section-pad) 0; }
.tech-overview {
  background: rgba(255,255,255,.05);
  border-left: 3px solid var(--orange);
  padding: 24px 32px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 64px;
}
.tech-overview p { color: rgba(255,255,255,.8); margin: 0; }
.tech-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}
.tech-pillar {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color var(--transition);
  position: relative;
}
.tech-pillar:hover { border-color: rgba(224,123,34,.4); }
.tech-pillar--featured {
  background: rgba(224,123,34,.08);
  border-color: rgba(224,123,34,.3);
}
.pillar-icon { width: 56px; height: 56px; margin-bottom: 20px; }
.pillar-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--orange);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
}
.tech-pillar h3 {
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 6px;
}
.pillar-product {
  font-size: 0.82rem;
  color: var(--orange-light);
  font-weight: 500;
  margin-bottom: 16px;
}
.tech-pillar p {
  font-size: 0.92rem;
  color: rgba(255,255,255,.7);
  line-height: 1.7;
  margin-bottom: 20px;
}
.pillar-list { display: flex; flex-direction: column; gap: 8px; }
.pillar-list li {
  font-size: 0.85rem;
  color: rgba(255,255,255,.65);
  padding-left: 20px;
  position: relative;
}
.pillar-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}
.tech-comparison {
  background: rgba(255,255,255,.05);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-bottom: 48px;
}
.tech-comparison h3 {
  color: var(--white);
  font-size: 1.6rem;
  text-align: center;
  margin-bottom: 32px;
}
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 32px;
}
.comparison-card { background: rgba(255,255,255,.06); border-radius: var(--radius); padding: 24px; }
.comparison-card h4 { color: var(--orange-light); margin-bottom: 12px; }
.comparison-card p { color: rgba(255,255,255,.7); font-size: 0.92rem; margin: 0; }
.comparison-card--vs {
  background: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--orange);
  font-weight: 300;
  padding: 0;
}
.comparison-note {
  text-align: center;
  color: rgba(255,255,255,.6);
  font-size: 0.92rem;
  margin: 0;
  font-style: italic;
}
.tech-paper-cta {
  text-align: center;
}
.tech-paper-cta p { color: rgba(255,255,255,.6); margin-bottom: 20px; }

/* ── Clients Section ───────────────────────────────────────────────────────── */
.section-clients { padding: var(--section-pad) 0; }
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}
.client-card {
  background: var(--white);
  border: 1.5px solid var(--light-gray);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  box-shadow: var(--shadow-sm);
}
.client-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--orange);
  transform: translateY(-4px);
}
.client-card--featured {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(224,123,34,.12), var(--shadow-md);
}
.client-card__header {
  padding: 28px 28px 20px;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.client-logo-wrap { min-height: 56px; display: flex; align-items: center; justify-content: center; }
.client-logo { max-height: 56px; width: auto; }
.client-logo-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.logo-text-magiq {
  font-family: var(--font-head);
  font-size: 1.8rem;
  color: var(--white);
  font-weight: 700;
}
.logo-text-sub { font-size: 0.8rem; color: rgba(255,255,255,.5); letter-spacing: 0.1em; }
.logo-text-sensorera {
  font-family: var(--font-head);
  font-size: 1.8rem;
  color: var(--white);
  font-weight: 700;
}
.sensorera-o { color: #4CAF50; }
.logo-text-gpusa {
  font-family: var(--font-head);
  font-size: 2rem;
  color: var(--orange);
  font-weight: 700;
}
.client-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.client-location { font-size: 0.8rem; color: rgba(255,255,255,.5); }
.client-link { font-size: 0.8rem; color: var(--orange-light); margin-left: auto; }
.client-card__body { padding: 28px; }
.client-card__body h3 {
  font-size: 1.25rem;
  color: var(--dark);
  margin-bottom: 8px;
}
.client-tagline {
  font-size: 0.9rem;
  color: var(--orange-dark);
  font-weight: 500;
  margin-bottom: 16px;
  line-height: 1.5;
}
.client-card__body > p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 24px;
}
.client-tech-highlights { margin-bottom: 24px; }
.client-tech-highlights h4 {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 16px;
}
.highlights-grid { display: flex; flex-direction: column; gap: 16px; }
.highlight {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.highlight-icon { font-size: 1.2rem; flex-shrink: 0; line-height: 1.4; }
.highlight strong { display: block; font-size: 0.9rem; color: var(--dark); margin-bottom: 4px; }
.highlight p { font-size: 0.82rem; color: var(--gray); line-height: 1.6; margin: 0; }
.client-specs {
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--light-gray);
}
.spec-row:last-child { border-bottom: none; }
.spec-row:nth-child(even) { background: var(--light-gray); }
.spec-label { color: var(--gray); }
.spec-value { font-weight: 600; color: var(--dark); }
.btn-client { width: 100%; justify-content: center; }
.client-sensorera-note {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 16px;
}
.client-sensorera-note a { color: var(--orange); }

/* ── Consulting Section ────────────────────────────────────────────────────── */
.section-consulting { padding: var(--section-pad) 0; }
.consulting-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.consulting-card {
  background: var(--white);
  border: 1.5px solid var(--light-gray);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all var(--transition);
}
.consulting-card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.consulting-card--primary {
  grid-column: 1 / -1;
  display: block;
}
.consulting-icon { width: 64px; height: 64px; flex-shrink: 0; margin-bottom: 20px; }
.consulting-card--primary .consulting-icon { margin-bottom: 20px; }
.consulting-card h3 { font-size: 1.3rem; color: var(--dark); margin-bottom: 16px; }
.consulting-card > p { color: var(--gray); line-height: 1.7; margin-bottom: 20px; }
.consulting-points { display: flex; flex-direction: column; gap: 8px; }
.consulting-points li {
  font-size: 0.88rem;
  color: var(--gray);
  padding-left: 20px;
  position: relative;
}
.consulting-points li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}
.consulting-cta { text-align: center; }
.consulting-cta p { color: var(--gray); margin-bottom: 20px; font-size: 1.05rem; }

/* ── Field Operations Section ──────────────────────────────────────────────── */
.section-field-ops { padding: var(--section-pad) 0; }
.fieldops-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
  margin-bottom: 48px;
}
.fieldops-item--1,
.fieldops-item--4 { grid-column: span 2; }
.fieldops-photo {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}
.fieldops-item--1 .fieldops-photo,
.fieldops-item--4 .fieldops-photo { height: 340px; }
.fieldops-caption {
  font-size: 0.8rem;
  color: rgba(255,255,255,.5);
  margin-top: 8px;
  font-style: italic;
}
.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
  opacity: 0.4;
}
.placeholder-item { border-radius: var(--radius); overflow: hidden; }
.placeholder-item--1,
.placeholder-item--4 { grid-column: span 2; }
.placeholder-inner {
  background: var(--mid);
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.4);
  font-size: 0.8rem;
  min-height: 200px;
  justify-content: center;
}
.placeholder-note {
  background: rgba(224,123,34,.1);
  border: 1px solid rgba(224,123,34,.3);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 0.85rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 48px;
}
.fieldops-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 48px;
}
.fieldops-stat { text-align: center; }
.fieldops-number {
  display: block;
  font-family: var(--font-head);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 8px;
}
.fieldops-label { font-size: 0.85rem; color: rgba(255,255,255,.55); }

/* ── Contact Section ───────────────────────────────────────────────────────── */
.section-contact { padding: var(--section-pad) 0; }
.contact-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: start;
}
.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--light-gray);
}
.contact-detail:last-child { border-bottom: none; }
.contact-detail__icon {
  width: 40px;
  height: 40px;
  background: rgba(224,123,34,.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--orange);
}
.contact-detail__icon svg { width: 20px; height: 20px; }
.contact-detail h4 { font-size: 0.85rem; font-weight: 600; color: var(--dark); margin-bottom: 4px; }
.contact-detail a, .contact-detail p { font-size: 0.9rem; color: var(--gray); display: block; line-height: 1.6; }
.contact-serving { font-size: 0.78rem; color: var(--gray); opacity: 0.7; margin-top: 4px; }
.contact-topics h4 { font-size: 0.85rem; font-weight: 600; color: var(--dark); margin-bottom: 12px; }
.contact-topics li {
  font-size: 0.85rem;
  color: var(--gray);
  padding: 6px 0 6px 20px;
  position: relative;
  border-bottom: 1px solid var(--light-gray);
}
.contact-topics li:last-child { border-bottom: none; }
.contact-topics li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
  font-size: 1rem;
}

/* Form styles */
.contact-form-wrap {
  background: var(--white);
  border: 1.5px solid var(--light-gray);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.form-row { margin-bottom: 20px; }
.form-row--two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 0;
}
.form-row--two .form-group { margin-bottom: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}
.required { color: var(--orange); margin-left: 2px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--light-gray);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(224,123,34,.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group--captcha .captcha-hint {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gray);
  margin-top: 2px;
}
.captcha-row { display: flex; gap: 12px; align-items: center; }
.captcha-question {
  font-weight: 600;
  font-size: 1rem;
  color: var(--dark);
  flex: 1;
  background: var(--light-gray);
  padding: 12px 16px;
  border-radius: var(--radius);
}
.captcha-input { max-width: 120px; flex-shrink: 0; }
.captcha-refresh {
  background: none;
  border: 1.5px solid var(--light-gray);
  border-radius: var(--radius);
  padding: 12px;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--gray);
  transition: all var(--transition);
  flex-shrink: 0;
}
.captcha-refresh:hover { border-color: var(--orange); color: var(--orange); }
.form-submit-row { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.form-privacy { font-size: 0.75rem; color: var(--gray); margin: 0; flex: 1; }
.btn-submit { position: relative; min-width: 160px; justify-content: center; }
.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-spinner { display: block; }
.form-feedback {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: none;
}
.form-feedback.success {
  background: rgba(56,161,105,.12);
  border: 1px solid rgba(56,161,105,.3);
  color: #276749;
  display: block;
}
.form-feedback.error {
  background: rgba(229,62,62,.1);
  border: 1px solid rgba(229,62,62,.3);
  color: #C53030;
  display: block;
}

/* ── Footer ────────────────────────────────────────────────────────────────── */
.site-footer { background: var(--black); color: var(--white); padding: 80px 0 0; }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-tagline { font-size: 0.85rem; color: rgba(255,255,255,.5); margin-top: 12px; }
.footer-location { font-size: 0.8rem; color: rgba(255,255,255,.35); }
.footer-links h4,
.footer-contact h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--orange); }
.footer-contact a { color: var(--orange-light); font-size: 0.9rem; }
.footer-memberships { margin: 20px 0; }
.footer-memberships span { font-size: 0.75rem; color: rgba(255,255,255,.4); display: block; margin-bottom: 10px; }
.membership-logos { display: flex; gap: 12px; }
.membership-logos a {
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(255,255,255,.5);
  border: 1px solid rgba(255,255,255,.15);
  padding: 4px 10px;
  border-radius: var(--radius);
  transition: all var(--transition);
  text-decoration: none;
}
.membership-logos a:hover { color: var(--orange); border-color: var(--orange); }
.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer-social a:hover { color: var(--orange); }
.footer-bottom {
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,.3);
  margin: 0;
  line-height: 1.8;
}
.footer-credits { color: rgba(255,255,255,.2) !important; font-size: 0.75rem !important; }

/* ── Animations ────────────────────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }

/* Fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --section-pad: 72px; }
  .about-grid { grid-template-columns: 280px 1fr; gap: 40px; }
  .tech-pillars { grid-template-columns: 1fr; max-width: 640px; margin-left: auto; margin-right: auto; }
  .clients-grid { grid-template-columns: 1fr; max-width: 600px; margin-left: auto; margin-right: auto; }
  .consulting-card--primary { grid-column: 1; display: block; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --section-pad: 56px; }

  /* Mobile nav */
  .nav-toggle { display: block; }
  .primary-nav {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(13,13,13,.98);
    backdrop-filter: blur(16px);
    padding: 20px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }
  .primary-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .primary-nav ul { flex-direction: column; gap: 4px; }
  .primary-nav a { padding: 14px 20px; font-size: 1rem; }
  .primary-nav .nav-cta { margin-left: 0; text-align: center; }

  .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row--two { grid-template-columns: 1fr; }
  .captcha-row { flex-wrap: wrap; }
  .captcha-question { width: 100%; flex: auto; }
  .tech-comparison { padding: 28px; }
  .comparison-grid { grid-template-columns: 1fr; }
  .comparison-card--vs { font-size: 2rem; padding: 8px 0; }
  .fieldops-summary { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .consulting-grid { grid-template-columns: 1fr; }
  .consulting-card--primary { grid-column: 1; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .form-submit-row { flex-direction: column; align-items: stretch; }
  .btn-submit { width: 100%; }
  .contact-form-wrap { padding: 24px; }
}

/* ── Print ─────────────────────────────────────────────────────────────────── */
@media print {
  .site-header, .hero-actions, .hero-scroll-hint, .contact-form-wrap, .btn { display: none; }
  .section-hero { min-height: auto; padding: 40px 0; }
  .section-dark { background: white; color: black; }
}