/* ===================================================================
   Huddon Petroleum Consulting — Design Tokens & Components
   Oil & gas finance palette: deep navy, warm slate, teal accent
   =================================================================== */

/* --- TYPE SCALE --- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
}

/* --- SPACING --- */
:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* --- FONTS --- */
:root {
  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

/* --- CUSTOM PALETTE: Oil & Gas Finance --- */
:root,
[data-theme='light'] {
  /* Surfaces — warm gray with slight blue undertone */
  --color-bg: #F5F4F1;
  --color-surface: #FFFFFF;
  --color-surface-2: #FAFAF8;
  --color-surface-offset: #EEECEA;
  --color-surface-dark: #1B2A3B;
  --color-divider: #D8D5D0;
  --color-border: #C9C5BF;

  /* Text */
  --color-text: #1A1E24;
  --color-text-muted: #5C6370;
  --color-text-faint: #9CA3AF;
  --color-text-inverse: #F5F4F1;
  --color-text-on-dark: #D4DAE0;

  /* Primary — operational teal */
  --color-primary: #0D7377;
  --color-primary-hover: #095558;
  --color-primary-active: #073C3E;
  --color-primary-light: #E0F2F1;
  --color-primary-muted: #B2DFDB;

  /* Accent — warm amber for highlights */
  --color-accent: #C17F24;
  --color-accent-hover: #A36918;
  --color-accent-light: #FFF8E7;

  /* Semantic */
  --color-success: #2E7D32;
  --color-warning: #E65100;
  --color-error: #C62828;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(26, 30, 36, 0.06);
  --shadow-md: 0 4px 12px rgba(26, 30, 36, 0.08);
  --shadow-lg: 0 12px 32px rgba(26, 30, 36, 0.12);
  --shadow-xl: 0 20px 48px rgba(26, 30, 36, 0.16);

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* --- DARK MODE --- */
[data-theme='dark'] {
  --color-bg: #0F1419;
  --color-surface: #1A2029;
  --color-surface-2: #1E2530;
  --color-surface-offset: #151B23;
  --color-surface-dark: #0A0E13;
  --color-divider: #2A3240;
  --color-border: #354050;

  --color-text: #D4DAE0;
  --color-text-muted: #8C95A0;
  --color-text-faint: #5A6370;
  --color-text-inverse: #0F1419;
  --color-text-on-dark: #D4DAE0;

  --color-primary: #4DB6AC;
  --color-primary-hover: #26A69A;
  --color-primary-active: #00897B;
  --color-primary-light: rgba(77, 182, 172, 0.12);
  --color-primary-muted: rgba(77, 182, 172, 0.2);

  --color-accent: #E4A13A;
  --color-accent-hover: #C98C28;
  --color-accent-light: rgba(228, 161, 58, 0.12);

  --color-success: #66BB6A;
  --color-warning: #FF9100;
  --color-error: #EF5350;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0F1419;
    --color-surface: #1A2029;
    --color-surface-2: #1E2530;
    --color-surface-offset: #151B23;
    --color-surface-dark: #0A0E13;
    --color-divider: #2A3240;
    --color-border: #354050;
    --color-text: #D4DAE0;
    --color-text-muted: #8C95A0;
    --color-text-faint: #5A6370;
    --color-text-inverse: #0F1419;
    --color-text-on-dark: #D4DAE0;
    --color-primary: #4DB6AC;
    --color-primary-hover: #26A69A;
    --color-primary-active: #00897B;
    --color-primary-light: rgba(77, 182, 172, 0.12);
    --color-primary-muted: rgba(77, 182, 172, 0.2);
    --color-accent: #E4A13A;
    --color-accent-hover: #C98C28;
    --color-accent-light: rgba(228, 161, 58, 0.12);
    --color-success: #66BB6A;
    --color-warning: #FF9100;
    --color-error: #EF5350;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.6);
  }
}

/* ===================================================================
   COMPONENTS
   =================================================================== */

/* --- HEADER / NAV --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition: box-shadow 0.3s var(--ease-out);
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
}
.logo-text span {
  display: block;
  font-weight: 400;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.nav-desktop {
  display: none;
}
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-6);
  }
}
.nav-desktop a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.nav-desktop a:hover {
  color: var(--color-text);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: oklch(from var(--color-text) l c h / 0.06);
}
.header-cta {
  display: none;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-xs);
}
@media (min-width: 768px) {
  .header-cta {
    display: inline-flex;
  }
}

/* Mobile nav */
.mobile-menu-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-bg);
  padding: var(--space-16) var(--space-6);
}
.mobile-nav.open {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}
.mobile-nav-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-text-muted);
  background: oklch(from var(--color-text) l c h / 0.04);
}
.btn-on-dark {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-on-dark:hover {
  background: rgba(255,255,255,0.2);
}

/* --- SECTIONS --- */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-4);
}
.section-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  max-width: 36ch;
}
.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: 1.6;
}

/* --- HERO --- */
.hero {
  position: relative;
  background: var(--color-surface-dark);
  overflow: hidden;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-4);
}
.hero-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}
@media (min-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}
.hero-content {
  position: relative;
  z-index: 2;
}
.hero-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
[data-theme='dark'] .hero-label,
.hero-label {
  color: #4DB6AC;
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #F0F2F5;
  margin-bottom: var(--space-5);
  line-height: 1.08;
}
.hero-desc {
  font-size: var(--text-base);
  color: #9CA8B8;
  line-height: 1.7;
  max-width: 48ch;
  margin-bottom: var(--space-8);
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.hero-btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.hero-btn-primary:hover {
  background: var(--color-primary-hover);
}

/* Hero dashboard mockup */
.hero-visual {
  position: relative;
  z-index: 2;
}
.dashboard-mockup {
  background: #151D28;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  box-shadow: 0 32px 64px rgba(0,0,0,0.4);
}
.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mockup-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #8C95A0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.mockup-period {
  font-size: var(--text-xs);
  color: #5A6370;
  background: rgba(255,255,255,0.06);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.kpi-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.kpi-label {
  font-size: 10px;
  color: #5A6370;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
}
.kpi-value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #E8ECF0;
  font-variant-numeric: tabular-nums;
}
.kpi-delta {
  font-size: 10px;
  font-weight: 600;
  margin-top: 2px;
}
.kpi-delta.up { color: #4DB6AC; }
.kpi-delta.down { color: #EF5350; }

/* Chart area in mockup */
.mockup-chart {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  height: 140px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  overflow: hidden;
}
.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--color-primary), rgba(77, 182, 172, 0.3));
  border-radius: 2px 2px 0 0;
  min-width: 0;
}

/* Status rows */
.mockup-status {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.status-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 11px;
  color: #8C95A0;
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.green { background: #4DB6AC; }
.status-dot.amber { background: #E4A13A; }
.status-dot.blue { background: #5591C7; }
.status-name { flex: 1; }
.status-val {
  font-variant-numeric: tabular-nums;
  color: #5A6370;
}

/* Subtle grid overlay on hero */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}
.hero::after {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(13, 115, 119, 0.15) 0%, transparent 70%);
  z-index: 0;
}

/* --- TRUST BAR --- */
.trust-bar {
  background: var(--color-surface);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.06);
  padding: var(--space-6) var(--space-4);
}
.trust-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .trust-inner {
    grid-template-columns: repeat(4, 1fr);
  }
}
.trust-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.trust-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}
.trust-text {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
}
.trust-text span {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* --- SERVICES --- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-top: var(--space-8);
}
@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 960px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .services-grid .service-card:nth-child(4) {
    grid-column: 1 / 2;
  }
  .services-grid .service-card:nth-child(5) {
    grid-column: 2 / 3;
  }
}
.service-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition:
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: oklch(from var(--color-text) l c h / 0.14);
}
.service-icon-wrap {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-3);
}
.service-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}

/* --- WHO WE SERVE --- */
.serve-section {
  background: var(--color-surface-offset);
}
.serve-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-8);
}
@media (min-width: 768px) {
  .serve-grid {
    grid-template-columns: 5fr 4fr;
    gap: var(--space-12);
    align-items: start;
  }
}
.serve-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}
.serve-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.serve-checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
}
.check-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

/* Serve visual — mini workflow card */
.serve-visual {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
}
.serve-visual-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.06);
}
.serve-visual-header span {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.profile-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.04);
}
.profile-row:last-child {
  border-bottom: none;
}
.profile-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}
.profile-info {
  flex: 1;
  min-width: 0;
}
.profile-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.profile-role {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.profile-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.profile-badge.active {
  background: rgba(77, 182, 172, 0.12);
  color: var(--color-primary);
}

/* --- HOW WE WORK --- */
.how-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-top: var(--space-8);
}
@media (min-width: 768px) {
  .how-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.how-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
}
.how-number {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}
.how-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.how-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --- PLATFORMS --- */
.platforms-section {
  background: var(--color-surface-dark);
  color: #E8ECF0;
}
.platforms-section .section-label {
  color: #4DB6AC;
}
.platforms-section .section-title {
  color: #E8ECF0;
}
.platforms-section .section-subtitle {
  color: #8C95A0;
}
.platform-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.platform-chip {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  color: #C0C8D0;
  transition: background var(--transition-interactive), border-color var(--transition-interactive);
}
.platform-chip:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.18);
}
.platform-chip svg {
  width: 16px;
  height: 16px;
  color: #4DB6AC;
}

/* --- US OPERATORS --- */
.us-section {
  background: var(--color-surface);
}
.us-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-8);
}
@media (min-width: 768px) {
  .us-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
  }
}
.us-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}
.us-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.us-highlight {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.us-highlight-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}
.us-highlight p {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
  margin: 0;
}
.us-highlight strong {
  color: var(--color-text);
}

/* US map-style visual */
.us-visual {
  background: var(--color-surface-offset);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.us-visual-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.state-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.state-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
}
.state-flag {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.state-flag.tx { background: #2E1F0F; color: #C17F24; }
.state-flag.wy { background: #0F2218; color: #4DB6AC; }
.state-flag.ab { background: #1F0F0F; color: #E57373; }
.state-flag.sk { background: #0F1A22; color: #5591C7; }
.state-info {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}
.state-info span {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
}

/* --- CONTACT / CTA --- */
.contact-section {
  background: var(--color-surface-dark);
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
}
.contact-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) {
  .contact-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
  }
}
.contact-content .section-label { color: #4DB6AC; }
.contact-content .section-title { color: #E8ECF0; }
.contact-content p {
  color: #8C95A0;
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.contact-item-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  color: #4DB6AC;
  flex-shrink: 0;
}
.contact-item-text {
  font-size: var(--text-sm);
  color: #C0C8D0;
}
.contact-item-text a {
  color: #C0C8D0;
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.contact-item-text a:hover {
  color: #4DB6AC;
}
.contact-item-text span {
  display: block;
  font-size: var(--text-xs);
  color: #5A6370;
}

/* Contact form-style visual */
.contact-visual {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.contact-visual h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #E8ECF0;
  margin-bottom: var(--space-5);
}
.form-group {
  margin-bottom: var(--space-4);
}
.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: #8C95A0;
  margin-bottom: var(--space-2);
}
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: #C0C8D0;
  transition: border-color var(--transition-interactive);
}
.form-input:focus {
  outline: none;
  border-color: #4DB6AC;
}
.form-input::placeholder {
  color: #3A4250;
}
textarea.form-input {
  resize: vertical;
  min-height: 100px;
}
.form-submit {
  width: 100%;
  margin-top: var(--space-2);
}

/* --- FOOTER --- */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.08);
  padding: var(--space-8) var(--space-4);
}
.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.footer-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.footer-logo {
  width: 28px;
  height: 28px;
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-links {
  display: flex;
  gap: var(--space-5);
}
.footer-links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-links a:hover {
  color: var(--color-text);
}

/* --- SCROLL ANIMATIONS --- */
.fade-in {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: revealFade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 60%;
  }
}
@keyframes revealFade {
  to { opacity: 1; }
}

/* --- UTILITIES --- */
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }