/* NerdSpanner Marketing Site Styles */
/* Brand colours from the supplied NerdSpanner logo pack */

/* ========================================================================= */
/* Base & Reset */
/* ========================================================================= */

*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --color-primary: #A300FF;
  --color-primary-dark: #7A00BF;
  --color-accent: #48FF05;
  --color-dark: #101016;
  --color-surface: #180025;
  --color-text: #F8FAFC;
  --color-text-muted: #94A3B8;
  --color-border: #334155;
  

  
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-section: clamp(4rem, 6vw, 6rem);
  
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-dark);
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 5%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-sm);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.draft-banner {
  margin: 0;
  padding: 0.55rem 1rem;
  background: var(--color-accent);
  color: var(--color-dark);
  font-weight: 800;
  text-align: center;
  letter-spacing: 0.02em;
}

/* ========================================================================= */
/* Layout & Container */
/* ========================================================================= */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-section) 0;
}

.section-alt {
  background-color: var(--color-surface);
}

/* Grid system */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* ========================================================================= */
/* Typography */
/* ========================================================================= */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  margin-top: 1em;
  margin-bottom: 0.5em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3rem);
}

h2 {
  font-size: clamp(1.75rem, 3vw + 1.25rem, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw + 1rem, 1.5rem);
}

p {
  margin-top: 0;
  margin-bottom: 1em;
}

.lead {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 700px;
}

.section-intro {
  color: var(--color-text-muted);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  font-size: 1.125rem;
}

/* ========================================================================= */
/* Header & Navigation */
/* ========================================================================= */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(16, 16, 22, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo img {
  display: block;
  width: clamp(190px, 24vw, 280px);
  height: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-sm);
}

.nav-menu a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a:focus {
  color: var(--color-text);
  background-color: rgba(163, 0, 255, 0.12);
}

.nav-cta {
  background-color: var(--color-primary);
  color: white;
}

.nav-cta:hover,
.nav-cta:focus {
  background-color: var(--color-primary-dark);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--spacing-sm);
  cursor: pointer;
}

.hamburger {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--color-text);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 3px;
  background-color: var(--color-text);
  left: 0;
  transition: transform var(--transition-normal);
}

.hamburger::before { top: -10px; }
.hamburger::after { bottom: -10px; }

.hamburger.active { background: transparent; }
.hamburger.active::before { transform: translateY(10px) rotate(45deg); }
.hamburger.active::after { transform: translateY(-10px) rotate(-45deg); }

/* Mobile menu panel */
.nav-menu.mobile-visible {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-dark);
  padding: var(--spacing-xl) var(--spacing-lg);
  gap: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
  min-height: calc(4 * 3rem);
}

.nav-menu.mobile-visible a {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: center;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

/* Desktop only styling */
.desktop-only {
  display: flex;
}

/* ========================================================================= */
/* Hero Section */
/* ========================================================================= */

.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(163, 0, 255, 0.16) 0%, rgba(72, 255, 5, 0.04) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: clamp(2rem, 9vw, 10rem);
  top: 50%;
  width: clamp(18rem, 30vw, 31rem);
  aspect-ratio: 1.91 / 1;
  transform: translateY(-50%);
  background: url("brand/social/social-banner-dark.png") center / contain no-repeat;
  opacity: .82;
  filter: drop-shadow(0 1.5rem 2.5rem rgba(0, 0, 0, .45));
}

.hero .container {
  text-align: left;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead {
  margin-bottom: var(--spacing-xl);
}

.hero-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-start;
  flex-wrap: wrap;
}

/* ========================================================================= */
/* Buttons */
/* ========================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: rgba(163, 0, 255, 0.12);
}

/* ========================================================================= */
/* Cards */
/* ========================================================================= */

.card {
  padding: calc(var(--spacing-xl) + 0.125rem) var(--spacing-lg);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover,
.card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.card h3 {
  color: var(--color-accent);
  margin-bottom: calc(var(--spacing-sm) + 0.125rem);
}

/* ========================================================================= */
/* Architecture Note */
/* ========================================================================= */


/* ========================================================================= */
/* Steps Section */
/* ========================================================================= */

.steps {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.step {
  position: relative;
  padding-left: var(--spacing-xl);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  border-radius: 50%;
  color: white;
  font-weight: 700;
  position: absolute;
  left: -48px;
  top: -4px;
  font-size: 1.25rem;
}

.step h3 {
  margin-bottom: var(--spacing-sm);
}

/* ========================================================================= */
/* Architecture Note */
/* ========================================================================= */


/* ========================================================================= */
/* Industry Cards */
/* ========================================================================= */

.industry-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.solution-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background-color: var(--color-dark);
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.industry-card {
  position: relative;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.industry-card:hover,
.industry-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.industry-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.industry-card h3 {
  color: var(--color-accent);
}

/* ========================================================================= */
/* White Label Info */
/* ========================================================================= */

.white-label-info {
  padding: var(--spacing-xl);
  background-color: rgba(163, 0, 255, 0.08);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

/* ========================================================================= */
/* Services Section */
/* ========================================================================= */

.service-list {
  display: grid;
  gap: var(--spacing-xl);
}

.service-item {
  padding: var(--spacing-xl);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.service-item h3 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.service-item ul {
  margin: 0;
  padding-left: var(--spacing-xl);
  list-style: none;
}

.service-item li {
  position: relative;
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.service-item li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ========================================================================= */
/* About Section */
/* ========================================================================= */

.two-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.about h3 {
  color: var(--color-accent);
}

.business-info {
  padding: var(--spacing-lg);
  background-color: rgba(72, 255, 5, 0.06);
  border-radius: var(--radius-md);
}

.business-info dl {
  margin: 0;
  display: grid;
  gap: var(--spacing-sm);
}

.business-info dt {
  font-weight: 600;
  color: var(--color-primary);
}

.business-info dd {
  margin-left: 0;
  padding-left: var(--spacing-md);
}

/* ========================================================================= */
/* Footer */
/* ========================================================================= */

footer {
  background-color: var(--color-surface);
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-border);
}

.footer-nav {
  display: flex;
  list-style: none;
  margin-bottom: var(--spacing-lg);
  padding: 0;
  gap: var(--spacing-2xl);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast), padding var(--transition-fast);
  padding: var(--spacing-sm) 0;
}

.footer-nav a:hover,
.footer-nav a:focus {
  color: var(--color-primary);
}

.footer-text {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-muted);
}

.footer-contact {
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.footer-contact a {
  color: var(--color-primary);
  text-decoration: none;
}

.footer-contact a:hover,
.footer-contact a:focus {
  text-decoration: underline;
}

.privacy-notice {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.eyebrow { color: var(--color-accent); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: clamp(.85rem, 1vw + .75rem, .95rem); margin-bottom: calc(var(--spacing-sm) * 1.5); opacity: 1; text-shadow: 0 1px 2px rgba(0, 0, 0, .3); }
.hero h1 { max-width: 760px; margin-left: 0; margin-right: 0; line-height: 1.15; }
.hero .lead { margin-left: 0; margin-right: 0; color: var(--color-text); font-size: clamp(1.06rem, 1.2vw + .9rem, 1.25rem); line-height: 1.7; }
.icon-purple { background: linear-gradient(135deg, #A300FF 0%, #180025 100%); }
.icon-green { background: linear-gradient(135deg, #48FF05 0%, #180025 100%); }
.icon-mix { background: linear-gradient(135deg, #A300FF 0%, #48FF05 100%); }
.icon-mix-reverse { background: linear-gradient(135deg, #48FF05 0%, #A300FF 100%); }
.contact-panel { text-align: center; }
.contact-options { display: flex; justify-content: center; align-items: center; gap: var(--spacing-md); flex-wrap: wrap; margin-top: var(--spacing-xl); }
.text-link { color: var(--color-accent); font-weight: 700; text-decoration: underline; text-underline-offset: .2em; }
.text-link:hover, .text-link:focus-visible { background-color: rgba(72, 255, 5, .1); }

.contact-note { color: var(--color-text-muted); font-size: .95rem; margin-top: var(--spacing-lg); }

/* ========================================================================= */
/* Responsive Design */
/* ========================================================================= */

@media (max-width: 768px) {
  .desktop-only {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--spacing-xl) * 2) 0;
  }

  .hero::before { display: none; }
  .hero .container { text-align: center; }
  .hero h1 { font-size: clamp(1.75rem, 4vw + 1rem, 3rem); margin-left: auto; margin-right: auto; }
  .hero .lead { margin-left: auto; margin-right: auto; }

  .hero-links {
    flex-direction: column;
    align-items: center;
    gap: calc(var(--spacing-md) * 1.5);
  }

  .btn {
    width: 100%;
    max-width: 280px;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .nav-menu.mobile-visible {
    display: flex;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .footer-nav {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

/* Focus visibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --color-border: #FFFFFF;
  }

  .card, .industry-card, .service-item {
    border-width: 2px;
  }
}

#main-content:focus { outline: none; }
@media (prefers-contrast: high) { .hero h1 { background: none; -webkit-text-fill-color: var(--color-text); color: var(--color-text); } }