/* ==========================================================================
   Tilted Gravity — Modern Software Development Studio Stylesheet
   ========================================================================== */

/* Design Tokens - Directly Matched to Tilted Gravity Logo Palette */
:root {
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Palette - Matches #1C2534 Background from Logo Graphic */
  --bg-canvas: #151D2A;
  --bg-surface: #1B2433;
  --bg-surface-glass: rgba(22, 29, 42, 0.88);
  --bg-card: #1C2637;
  --bg-card-hover: #222E42;
  --bg-card-inner: #131A26;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-glow: rgba(56, 189, 248, 0.35);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverse: #0B111E;

  /* Accent Colors */
  --accent-blue: #2563EB;
  --accent-sky: #38BDF8;
  --accent-logo-blue: #2888E2;
  --accent-amber: #F59E0B;
  --accent-emerald: #10B981;
  --accent-indigo: #6366F1;

  /* Gradients */
  --grad-brand: linear-gradient(135deg, #38BDF8 0%, #2563EB 100%);
  --grad-brand-glow: radial-gradient(circle, rgba(56, 189, 248, 0.18) 0%, rgba(37, 99, 235, 0.05) 50%, transparent 70%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.4), 0 4px 12px -2px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.6), 0 0 30px -5px rgba(37, 99, 235, 0.2);

  /* Layout */
  --container-max: 1200px;
  --header-height: 88px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --trans-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --trans-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: dark;
  scrollbar-color: #2D3A4F #151D2A;
  scrollbar-width: thin;
}

/* Custom Dark Scrollbar (Eliminates white border lines in Windows Chrome) */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #151D2A;
}
::-webkit-scrollbar-thumb {
  background: #2D3A4F;
  border-radius: 5px;
  border: 2px solid #151D2A;
}
::-webkit-scrollbar-thumb:hover {
  background: #3B82F6;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image: 
    radial-gradient(ellipse at 50% -10%, rgba(56, 189, 248, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 10% 40%, rgba(37, 99, 235, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 70%, rgba(99, 102, 241, 0.06) 0%, transparent 45%);
  background-attachment: fixed;
}

/* Background Grid Overlay */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
  background-size: 50px 50px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse at 50% 50%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 30%, transparent 80%);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
}

p {
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--trans-fast);
}

img, svg {
  display: block;
  max-width: 100%;
}

/* Container & Sections */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  position: relative;
  z-index: 1;
}

.section {
  padding-top: 6.5rem;
  padding-bottom: 6.5rem;
  position: relative;
}

.text-gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  padding-right: 0.18em;
  margin-right: -0.12em;
  padding-bottom: 0.22em;
  margin-bottom: -0.22em;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent-sky);
  border: 1px solid rgba(56, 189, 248, 0.25);
  backdrop-filter: blur(8px);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-sky);
  box-shadow: 0 0 8px var(--accent-sky);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(21, 29, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--trans-normal);
}

.site-header.scrolled {
  background: rgba(21, 29, 42, 0.96);
  border-bottom-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Brand Link & Typography - Prominent & Crisp (No scale distortion on hover) */
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  text-decoration: none;
  transition: opacity var(--trans-fast);
}

.brand-link:hover {
  opacity: 0.92;
}

.brand-mark-img {
  height: 60px;
  width: auto;
  display: block;
  background: transparent;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  line-height: 1;
}

.brand-tilted {
  color: #FFFFFF;
}

.brand-gravity {
  color: var(--accent-logo-blue);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-item a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--grad-brand);
  transition: width var(--trans-fast);
  border-radius: 2px;
}

.nav-item a:hover {
  color: var(--text-primary);
}

.nav-item a:hover::after,
.nav-item a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ==========================================================================
   Buttons (Clean, Seamless, No Artifact Lines)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--trans-fast);
  white-space: nowrap;
  background-clip: padding-box;
  text-decoration: none;
}

.btn svg {
  transition: transform var(--trans-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: var(--grad-brand);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.15rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
}

.mobile-toggle .icon-close {
  display: none;
}

.mobile-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.mobile-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 5.5rem;
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(56, 189, 248, 0.15) 0%, rgba(37, 99, 235, 0.08) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
}

.hero-content {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw + 1rem, 4.25rem);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.35rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2.5rem auto;
  font-weight: 400;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Hero Stats Bar */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  background: var(--bg-surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  max-width: 760px;
  margin: 0 auto;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.metric-val {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.metric-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-top: 0.25rem;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.75rem auto;
}

.section-tag {
  margin-bottom: 0.875rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Product Cards (Clean Elevation & Real Screenshot Previews)
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--trans-normal), border-color var(--trans-normal), box-shadow var(--trans-normal);
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent, var(--accent-blue));
  opacity: 0.85;
  z-index: 2;
}

/* Hover: Clean lift and border glow without mouse tilt */
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--card-accent-border, var(--border-glow));
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.5), 0 0 30px var(--card-accent-glow, rgba(37, 99, 235, 0.15));
}

/* Product Specific Accent Themes */
.product-card[data-app="cruisingalong"] {
  --card-accent: #0284C7;
  --card-accent-border: rgba(56, 189, 248, 0.4);
  --card-accent-glow: rgba(56, 189, 248, 0.18);
  --badge-bg: rgba(2, 132, 199, 0.15);
  --badge-text: #38BDF8;
}

.product-card[data-app="bayqueue"] {
  --card-accent: #F59E0B;
  --card-accent-border: rgba(245, 158, 11, 0.4);
  --card-accent-glow: rgba(245, 158, 11, 0.16);
  --badge-bg: rgba(245, 158, 11, 0.15);
  --badge-text: #FBBF24;
}

.product-card[data-app="planstride"] {
  --card-accent: #6366F1;
  --card-accent-border: rgba(99, 102, 241, 0.4);
  --card-accent-glow: rgba(99, 102, 241, 0.18);
  --badge-bg: rgba(99, 102, 241, 0.15);
  --badge-text: #A5B4FC;
}

/* Screenshot Preview Container */
.product-preview-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--bg-card-inner);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.product-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform var(--trans-normal);
}

.product-card:hover .product-preview-img {
  transform: scale(1.03);
}

.product-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.product-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--badge-bg);
  color: var(--badge-text);
}

.product-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--accent-emerald);
  font-weight: 600;
}

.product-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 6px var(--accent-emerald);
}

.product-name {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.product-tagline {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.875rem;
}

.product-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.product-features {
  list-style: none;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  flex: 1;
}

.product-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.feature-check {
  color: var(--card-accent, var(--accent-sky));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.product-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-link-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  transition: all var(--trans-fast);
  text-decoration: none;
}

.product-link-btn svg {
  transition: transform var(--trans-fast);
}

.product-link-btn:hover {
  background: var(--card-accent, var(--accent-blue));
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 16px var(--card-accent-glow);
}

.product-link-btn:hover svg {
  transform: translate(2px, -2px);
}

/* ==========================================================================
   Studio Capabilities & Services Grid
   ========================================================================== */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.capability-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: all var(--trans-normal);
  position: relative;
  overflow: hidden;
}

.capability-card:hover {
  border-color: rgba(56, 189, 248, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.capability-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-sky);
  margin-bottom: 1.5rem;
}

.capability-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.capability-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Studio Philosophy Section
   ========================================================================== */
.philosophy-wrap {
  background: linear-gradient(135deg, rgba(27, 36, 51, 0.9) 0%, rgba(20, 27, 39, 0.98) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.philosophy-wrap::after {
  content: '';
  position: absolute;
  right: -5%;
  bottom: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.philosophy-text h2 {
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  margin-bottom: 1.25rem;
}

.philosophy-text p {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.philosophy-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.philosophy-item {
  display: flex;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.philosophy-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-sky);
  flex-shrink: 0;
}

.philosophy-item-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.philosophy-item-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Contact & Inquiries Section
   ========================================================================== */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.contact-info p {
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.direct-channels {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.channel-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--trans-fast);
}

.channel-card:hover {
  border-color: var(--border-medium);
}

.channel-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-sky);
  display: flex;
  align-items: center;
  justify-content: center;
}

.channel-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.channel-val {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.channel-copy-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.channel-copy-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-canvas);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-sky);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 0.75rem;
}

.form-note .lock-icon {
  color: var(--accent-sky);
  flex-shrink: 0;
}

.form-feedback {
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34D399;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #101620;
  padding: 4.5rem 0 2.5rem 0;
  position: relative;
  z-index: 1;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand {
  max-width: 360px;
}

.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.25rem;
}

.footer-mark-img {
  height: 58px;
  width: auto;
  display: block;
  background: transparent;
}

.footer-bio {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.back-to-top-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-legal-links a:hover {
  color: var(--text-secondary);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .philosophy-wrap {
    grid-template-columns: 1fr;
    padding: 2.5rem;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

@media (max-width: 768px) {
  .site-header {
    height: 76px;
  }

  .brand-text {
    font-size: 1.65rem;
  }

  .brand-mark-img {
    height: 46px;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    background: var(--bg-canvas);
    border-bottom: 1px solid var(--border-medium);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--trans-normal);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-actions {
    display: none;
  }

  .hero-section {
    padding-top: calc(var(--header-height) + 2rem);
    text-align: center;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}