/* ==========================================================================
   ELITECH CORE - MAIN & BASE STYLES
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-light);
  color: var(--color-text-body);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Accessible focus styling */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-title);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
}

p {
  margin-bottom: 1.25rem;
}

p.lead {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  color: var(--color-text-muted);
  font-weight: 400;
  line-height: 1.6;
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

/* Container & Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: 960px;
}

.section {
  padding-top: clamp(4rem, 8vw, 6.5rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
  position: relative;
}

.section-dark {
  background-color: var(--color-navy-dark);
  color: var(--color-text-on-dark);
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: var(--color-white);
}

.section-dark .lead,
.section-dark p {
  color: var(--color-text-on-dark-muted);
}

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

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto clamp(2.5rem, 4vw, 4rem);
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 0.875rem;
  background: rgba(0, 98, 255, 0.08);
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 98, 255, 0.15);
}

.section-dark .kicker {
  color: var(--color-accent);
  background: rgba(0, 194, 255, 0.1);
  border-color: rgba(0, 194, 255, 0.25);
}

.kicker::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.section-title {
  margin-bottom: 1.25rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.section-dark .section-subtitle {
  color: var(--color-text-on-dark-muted);
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.875rem 1.625rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  color: var(--color-white) !important;
  box-shadow: var(--shadow-glow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -4px rgba(0, 98, 255, 0.5);
  background: linear-gradient(135deg, #0050d4 0%, #003694 100%);
}

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

.btn-accent {
  background: var(--gradient-accent);
  color: var(--color-navy-dark) !important;
  font-weight: 700;
  box-shadow: var(--shadow-glow-cyan);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -4px rgba(0, 194, 255, 0.55);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-text-title) !important;
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--color-bg-light);
  border-color: var(--color-border-light-hover);
  color: var(--color-primary) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost-dark {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white) !important;
  border-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.btn-ghost-dark:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1.125rem 2.125rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 1.15em;
  height: 1.15em;
  transition: transform var(--transition-fast);
}

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

/* Badge System */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: rgba(0, 98, 255, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(0, 98, 255, 0.2);
}

.badge-accent {
  background: rgba(0, 194, 255, 0.15);
  color: var(--color-accent);
  border: 1px solid rgba(0, 194, 255, 0.3);
}

.badge-success {
  background: rgba(16, 185, 129, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

/* Trust Bar / Logos */
.trust-strip {
  padding: 2.25rem 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.trust-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.trust-label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2.5rem 3.5rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  opacity: 0.75;
  transition: opacity var(--transition-fast);
}

.trust-item:hover {
  opacity: 1;
  color: var(--color-text-title);
}

.trust-badge-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--color-bg-light-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}