/* =============================================================
   OTS Signs — Main Stylesheet
   ============================================================= */

/* ── 1. CSS Variables ───────────────────────────────────────── */
:root {
  --color-primary:     #0A74DA;
  --color-primary-dk:  #0860b8;
  --color-primary-lt:  #e8f2fd;
  --color-accent:      #00C6AE;
  --color-dark:        #0D1321;
  --color-dark-2:      #1a2236;
  --color-text:        #2d3748;
  --color-text-muted:  #718096;
  --color-border:      #e2e8f0;
  --color-bg:          #ffffff;
  --color-bg-alt:      #f7f9fc;
  --color-bg-dark:     #0D1321;

  --font-sans:         'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.14);

  --transition: 0.2s ease;

  --container-max: 1200px;
  --container-pad: clamp(1rem, 5vw, 2rem);
}

/* ── 2. Reset / Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── 3. Layout Utilities ───────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.section-alt { background: var(--color-bg-alt); }
.section-dark {
  background: var(--color-bg-dark);
  color: #fff;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}
.section-header .section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: .75rem;
}
.section-dark .section-header .section-label { color: var(--color-accent); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

@media (max-width: 960px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── 4. Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
}
.section-dark h1,
.section-dark h2,
.section-dark h3 { color: #fff; }

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
h4 { font-size: 1rem; }

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

.lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-muted);
  line-height: 1.75;
}
.section-dark .lead { color: rgba(255,255,255,.75); }

/* ── 5. Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dk);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(10,116,218,.3);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}

.btn-ghost {
  border: 2px solid rgba(255,255,255,.35);
  color: #fff;
  background: transparent;
}
.btn-ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.6);
  color: #fff;
}

.btn-sm { padding: .55rem 1.2rem; font-size: .875rem; }
.btn-lg { padding: 1rem 2.25rem; font-size: 1.05rem; }

.btn-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── 6. Header ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: 1rem;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  overflow: hidden;
}
.site-header.scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: var(--shadow-sm);
  padding-block: .65rem;
  backdrop-filter: blur(8px);
}

.site-header.scrolled .logo-text { color: var(--color-dark); }
.site-header.scrolled .nav-menu a { color: var(--color-text); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 50px;
  overflow: hidden;
  position: relative;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  max-height: 40px;
  overflow: hidden;
}
.site-logo a { display: flex; align-items: center; }
.custom-logo-link { display: flex; align-items: center; }
.site-logo img,
.custom-logo-link img,
.custom-logo,
.header-inner img {
  max-height: 40px !important;
  max-width: 180px !important;
  width: auto !important;
  height: auto !important;
  display: block !important;
  object-fit: contain;
  position: static !important;
  float: none !important;
}
/* Ensure SVG logos get explicit dimensions (SVGs without intrinsic size can overflow) */
.site-logo img[src$=".svg"],
.custom-logo-link img[src$=".svg"],
img.custom-logo[src$=".svg"] {
  height: 36px !important;
  width: auto !important;
}

/* Nuclear logo containment — clip-path fallback for overflow edge cases */
.logo-constraint {
  max-height: 40px !important;
  max-width: 180px !important;
  overflow: hidden !important;
  clip-path: inset(0) !important;
}
.site-header .site-logo {
  max-height: 40px !important;
  overflow: hidden !important;
  clip-path: inset(0) !important;
}
.site-header img,
.site-header .custom-logo {
  max-height: 40px !important;
  max-width: 180px !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain !important;
  clip-path: inset(0) !important;
}
.logo-text {
  font-size: 1.35rem;
  font-weight: 300;
  color: #fff;
  letter-spacing: -.01em;
  transition: color var(--transition);
}
.logo-text strong { font-weight: 800; color: var(--color-accent); }

/* When header is over light background (services, about, contact pages) */
.page-header-light .site-header { background: var(--color-bg); box-shadow: var(--shadow-sm); }
.page-header-light .logo-text { color: var(--color-dark); }
.page-header-light .nav-menu a { color: var(--color-text); }

/* Nav */
.site-nav { margin-left: auto; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-menu a {
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  position: relative;
  padding-bottom: 2px;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-menu a:hover,
.nav-menu .current-menu-item > a { color: #fff; }
.nav-menu a:hover::after,
.nav-menu .current-menu-item > a::after { width: 100%; }

.site-header.scrolled .nav-menu a { color: var(--color-text-muted); }
.site-header.scrolled .nav-menu a:hover,
.site-header.scrolled .nav-menu .current-menu-item > a { color: var(--color-primary); }

.header-cta { margin-left: 1rem; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}
.site-header.scrolled .nav-toggle span { background: var(--color-dark); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .site-nav, .header-cta { display: none; }
  .site-nav.open {
    display: block;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--color-dark);
    z-index: 99;
    padding: 5rem 2rem 2rem;
  }
  .site-nav.open .nav-menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .site-nav.open .nav-menu a {
    color: #fff;
    font-size: 1.25rem;
  }
}

/* ── 7. Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-2) 50%, #0a2550 100%);
  color: #fff;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: .6;
}

.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10,116,218,.35) 0%, transparent 70%);
  top: -20%;
  right: -10%;
  pointer-events: none;
}
.hero-glow-2 {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,198,174,.18) 0%, transparent 70%);
  bottom: -10%;
  left: 5%;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding-block: 8rem 5rem;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(0,198,174,.15);
  border: 1px solid rgba(0,198,174,.35);
  color: var(--color-accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 1.5rem;
}
.hero-title .highlight {
  color: var(--color-accent);
}

.hero-description {
  font-size: 1.1rem;
  color: rgba(255,255,255,.75);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.1);
}
.hero-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
}
.hero-stat-label {
  font-size: .8rem;
  color: rgba(255,255,255,.55);
  margin-top: .2rem;
}

/* Hero visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-screen-mock {
  position: relative;
  width: 100%;
  max-width: 480px;
}
.hero-screen-outer {
  background: #1a2236;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(255,255,255,.1);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.05);
  position: relative;
  overflow: hidden;
}
.hero-screen-bar {
  display: flex;
  gap: .5rem;
  margin-bottom: 1rem;
}
.hero-screen-bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.hero-screen-bar span:nth-child(1) { background: #ff5f57; }
.hero-screen-bar span:nth-child(2) { background: #febc2e; }
.hero-screen-bar span:nth-child(3) { background: #28c840; }
.hero-screen-content {
  background: #0d1321;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
}
.hero-screen-logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -.02em;
}
.hero-screen-logo span { color: var(--color-accent); }
.hero-screen-tagline {
  font-size: .7rem;
  color: rgba(255,255,255,.5);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero-screen-bars {
  display: flex;
  gap: .4rem;
  align-items: flex-end;
  margin-top: .5rem;
}
.hero-screen-bars div {
  width: 10px;
  border-radius: 3px 3px 0 0;
  background: var(--color-primary);
  opacity: .8;
  animation: bar-grow 1.5s ease-in-out infinite alternate;
}
.hero-screen-bars div:nth-child(1) { height: 20px; animation-delay: 0s; }
.hero-screen-bars div:nth-child(2) { height: 35px; animation-delay: .15s; background: var(--color-accent); }
.hero-screen-bars div:nth-child(3) { height: 25px; animation-delay: .3s; }
.hero-screen-bars div:nth-child(4) { height: 42px; animation-delay: .45s; background: var(--color-accent); }
.hero-screen-bars div:nth-child(5) { height: 18px; animation-delay: .6s; }
.hero-screen-bars div:nth-child(6) { height: 30px; animation-delay: .75s; }

@keyframes bar-grow {
  from { opacity: .5; transform: scaleY(.8); }
  to   { opacity: 1;  transform: scaleY(1); }
}

/* Floating badges */
.hero-badge {
  position: absolute;
  background: rgba(255,255,255,.95);
  border-radius: var(--radius-sm);
  padding: .5rem .9rem;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  font-weight: 600;
  color: var(--color-dark);
  backdrop-filter: blur(4px);
}
.hero-badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%  { transform: scale(1.3); opacity: .7; }
}
.hero-badge-1 { bottom: 20px; left: -30px; }
.hero-badge-2 { top: 20px; right: -30px; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-description { margin-inline: auto; }
  .btn-group { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { margin-top: 2rem; }
  .hero-badge { display: none; }
}

/* ── 8. Feature Cards ──────────────────────────────────────── */
.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--color-primary-lt);
}
.feature-icon {
  width: 52px; height: 52px;
  background: var(--color-primary-lt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.4rem;
}
.feature-card h3 { margin-bottom: .5rem; font-size: 1.1rem; }
.feature-card p { color: var(--color-text-muted); font-size: .95rem; }

/* ── 9. Industry Cards ─────────────────────────────────────── */
.industry-card {
  background: var(--color-dark-2);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition);
  cursor: default;
}
.industry-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,198,174,.15);
}
.industry-card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.industry-card h3 { color: #fff; margin-bottom: .5rem; font-size: 1.05rem; }
.industry-card p { color: rgba(255,255,255,.6); font-size: .9rem; }

/* ── 10. Pricing ───────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 800px;
  margin-inline: auto;
}
.pricing-card {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  transition: all var(--transition);
}
.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(10,116,218,.1);
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .35rem 1rem;
  border-radius: 100px;
}
.pricing-name { font-size: 1.25rem; font-weight: 700; margin-bottom: .5rem; }
.pricing-price { margin-bottom: 1.5rem; }
.pricing-amount {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-dark);
  line-height: 1;
}
.pricing-amount sup { font-size: 1.25rem; vertical-align: super; }
.pricing-per { font-size: .85rem; color: var(--color-text-muted); margin-top: .35rem; }
.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .9rem;
  padding: .5rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-check { color: var(--color-accent); font-size: 1rem; flex-shrink: 0; margin-top: 1px; }

@media (max-width: 640px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

/* ── 11. Platform Feature Rows ─────────────────────────────── */
.platform-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-block: 2rem;
}
.platform-row + .platform-row {
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}
.platform-row.reverse .platform-text { order: 2; }
.platform-row.reverse .platform-visual { order: 1; }

.platform-text h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.platform-text p { color: var(--color-text-muted); }

.platform-visual {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  border: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .platform-row { grid-template-columns: 1fr; }
  .platform-row.reverse .platform-text,
  .platform-row.reverse .platform-visual { order: unset; }
}

/* ── 12. Page Hero (inner pages) ───────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--color-dark) 0%, #0a2550 100%);
  color: #fff;
  padding: 8rem 0 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 50px 50px;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; margin-bottom: 1rem; }
.page-hero .lead { color: rgba(255,255,255,.7); }

/* ── 13. Service page cards ────────────────────────────────── */
.service-industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-industry-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition);
}
.service-industry-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}
.service-industry-card .industry-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.service-industry-card h3 { margin-bottom: .5rem; }
.service-industry-card p { color: var(--color-text-muted); font-size: .9rem; }

@media (max-width: 900px) {
  .service-industry-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .service-industry-grid { grid-template-columns: 1fr; }
}

/* ── 14. About page ────────────────────────────────────────── */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-intro-visual {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-xl);
  aspect-ratio: 1;
  max-width: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
@media (max-width: 768px) {
  .about-intro { grid-template-columns: 1fr; }
  .about-intro-visual { max-width: 280px; margin-inline: auto; }
}

.value-card {
  text-align: center;
  padding: 2rem;
}
.value-icon {
  width: 64px; height: 64px;
  background: var(--color-primary-lt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

/* ── 15. Contact ────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; }
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info .lead { margin-bottom: 2rem; }

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-method-icon {
  width: 44px; height: 44px;
  background: var(--color-primary-lt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-method-label { font-size: .8rem; color: var(--color-text-muted); }
.contact-method-value { font-weight: 600; color: var(--color-dark); font-size: .95rem; }

.contact-form-wrap {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: .4rem;
}
.form-group label .req { color: var(--color-primary); }

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .75rem 1rem;
  font-family: var(--font-sans);
  font-size: .95rem;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10,116,218,.12);
  background: #fff;
}
.form-group textarea { min-height: 140px; }

.form-notice {
  margin-top: 1rem;
  font-size: .85rem;
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  display: none;
}
.form-notice.success { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; display: block; }
.form-notice.error   { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; display: block; }

/* ── 16. Demo CTA Banner ───────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0556a8 100%);
  color: #fff;
  padding-block: 5rem;
  text-align: center;
}
.cta-banner h2 { color: #fff; margin-bottom: 1rem; }
.cta-banner p { color: rgba(255,255,255,.8); margin-bottom: 2rem; font-size: 1.1rem; }

/* ── 17. Footer ────────────────────────────────────────────── */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,.7);
  padding-top: 4rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}

.footer-brand .logo-text { font-size: 1.5rem; color: #fff; }
.footer-tagline { font-size: .9rem; color: rgba(255,255,255,.5); margin-top: .75rem; margin-bottom: .5rem; }
.footer-parent { font-size: .8rem; color: rgba(255,255,255,.4); }
.footer-parent a { color: var(--color-accent); }
.footer-parent a:hover { color: #fff; }

.footer-links { display: contents; }
.footer-col h4 {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: .6rem; }
.footer-col a {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  padding-block: 1.5rem;
}
.footer-bottom p {
  font-size: .8rem;
  color: rgba(255,255,255,.3);
  text-align: center;
  margin: 0;
}

/* ── 18. Misc ───────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-accent  { color: var(--color-accent); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }

/* Demo link pill */
.demo-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(0,198,174,.12);
  border: 1px solid rgba(0,198,174,.35);
  color: var(--color-accent);
  font-size: .85rem;
  font-weight: 600;
  padding: .45rem 1.1rem;
  border-radius: 100px;
  transition: all var(--transition);
  margin-bottom: 2rem;
}
.demo-link:hover {
  background: rgba(0,198,174,.25);
  color: var(--color-accent);
}

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: 3rem;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Scroll to top */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px; height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 50;
  cursor: pointer;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { background: var(--color-primary-dk); color: #fff; }