/**
 * RST Solutions - Base & Typography Styles
 * Clean, accessible, modern B2B IT corporate aesthetic.
 */

/* -------------------------------------------------------------------------
   Self-Hosted Font Declarations
   ------------------------------------------------------------------------- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter-400-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/inter-500-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/inter-600-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/inter-700-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/plusjakartasans-700-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/plusjakartasans-800-normal.woff2') format('woff2');
}

/* -------------------------------------------------------------------------
   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%;
  overflow-x: hidden;
  margin: 0 !important;
  padding: 0 !important;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text);
  background-color: var(--surface);
  margin: 0 !important;
  padding: 0 !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

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

/* Global SVG & Icon Rules (Prevents blown-up SVGs in flex/inline containers) */
svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

svg:not([width]) {
  width: 20px;
  height: 20px;
}

.btn svg,
.btn-icon,
.btn-arrow-icon {
  width: 18px !important;
  height: 18px !important;
  max-width: 18px !important;
  max-height: 18px !important;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.checkpoint-icon {
  width: 20px !important;
  height: 20px !important;
  stroke: var(--brand-orange);
  stroke-width: 2.5;
  flex-shrink: 0;
}

.bullet-check-icon {
  width: 16px !important;
  height: 16px !important;
  max-width: 16px !important;
  max-height: 16px !important;
  stroke: var(--brand-orange);
  stroke-width: 2.5;
  flex-shrink: 0;
  margin-top: 3px;
}

.cta-arrow {
  width: 16px !important;
  height: 16px !important;
  stroke: currentColor;
  stroke-width: 2.5;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.service-icon {
  width: 28px !important;
  height: 28px !important;
  stroke: var(--brand-orange);
  stroke-width: 2;
  flex-shrink: 0;
  transition: stroke var(--transition-fast);
}

.contact-card-icon {
  width: 32px !important;
  height: 32px !important;
  stroke: var(--brand-orange);
  stroke-width: 2;
  flex-shrink: 0;
  margin-bottom: var(--space-2);
}

.footer-contact-icon {
  width: 18px !important;
  height: 18px !important;
  stroke: var(--brand-orange);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-social-icon {
  width: 16px !important;
  height: 16px !important;
  fill: currentColor;
  flex-shrink: 0;
}

.mobile-action-icon {
  width: 16px !important;
  height: 16px !important;
  fill: currentColor;
  flex-shrink: 0;
}

.nav-caret {
  width: 12px !important;
  height: 12px !important;
  stroke: currentColor;
  stroke-width: 2.5;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.menu-toggle-icon {
  width: 24px !important;
  height: 24px !important;
  stroke: currentColor;
  stroke-width: 2;
  flex-shrink: 0;
}

.faq-chevron {
  width: 18px !important;
  height: 18px !important;
  stroke: var(--brand-orange);
  stroke-width: 2.5;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.benefit-icon {
  width: 28px !important;
  height: 28px !important;
  stroke: var(--brand-orange);
  stroke-width: 2;
  flex-shrink: 0;
  margin-bottom: var(--space-4);
}

.why-icon {
  width: 24px !important;
  height: 24px !important;
  stroke: var(--brand-orange);
  stroke-width: 2.5;
  flex-shrink: 0;
}

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

a:hover {
  color: var(--brand-orange);
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

ul, ol {
  list-style: none;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 20px;
  z-index: 10000;
  padding: 0;
  height: 0;
  width: 0;
  overflow: hidden;
  margin: 0;
  border: 0;
  background: var(--ink);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid var(--brand-orange);
}

.skip-link:focus {
  top: 20px;
  height: auto;
  width: auto;
  padding: 12px 20px;
  overflow: visible;
}

/* -------------------------------------------------------------------------
   Typography Hierarchy
   ------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--ink);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.25rem, 4vw + 1rem, var(--text-5xl));
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.75rem, 3vw + 0.5rem, var(--text-4xl));
  letter-spacing: -0.03em;
}

h3 {
  font-size: clamp(1.25rem, 2vw + 0.25rem, var(--text-2xl));
  letter-spacing: -0.02em;
}

h4 {
  font-size: var(--text-xl);
}

p {
  margin-bottom: var(--space-4);
}

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

/* Section Eyebrow: Modern Tech Pill with Indicator */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--orange-text);
  background: rgba(255, 130, 0, 0.08);
  border: 1px solid rgba(255, 130, 0, 0.22);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  margin-bottom: var(--space-4);
  box-shadow: 0 2px 8px rgba(255, 130, 0, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.section-eyebrow.dark-eyebrow {
  color: #FFA133;
  background: rgba(255, 130, 0, 0.14);
  border-color: rgba(255, 130, 0, 0.35);
  box-shadow: 0 0 15px rgba(255, 130, 0, 0.15);
}

.pulse-beacon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-orange);
  position: relative;
  display: inline-block;
  flex-shrink: 0;
}

.pulse-beacon::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1.5px solid var(--brand-orange);
  animation: pulsePing 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes pulsePing {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Gradient Text Utilities */
.text-gradient-brand {
  background: linear-gradient(135deg, #FF8200 0%, #E8181C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.text-gradient-white {
  background: linear-gradient(180deg, #FFFFFF 30%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #00D2FF 0%, #0284C7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-12);
}

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

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--muted);
  margin-top: var(--space-3);
}

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

.section-pad {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

@media (max-width: 768px) {
  .section-pad {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
}

@media (max-width: 480px) {
  .section-pad {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }
}

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

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

.section-dark {
  background-color: var(--ink);
  color: #E5E7EB;
}

.section-dark h1, 
.section-dark h2, 
.section-dark h3, 
.section-dark h4 {
  color: #FFFFFF;
}

.section-dark p {
  color: #9CA3AF;
}

/* -------------------------------------------------------------------------
   Buttons (Modern High-Tech Aesthetic)
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 26px;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1;
  text-align: center;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

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

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

/* Primary Button: Gradient with soft glowing elevation */
.btn-primary {
  background: linear-gradient(135deg, #FF8200 0%, #FF5A00 55%, #E8181C 100%);
  color: #FFFFFF !important;
  box-shadow: 0 4px 18px rgba(255, 130, 0, 0.32);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #FFA133 0%, #FF6E00 55%, #F0282C 100%);
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 130, 0, 0.48);
}

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

/* Secondary Button */
.btn-secondary {
  background-color: transparent;
  color: var(--ink) !important;
  border-color: var(--border-light);
  background: #FFFFFF;
}

.btn-secondary:hover {
  background-color: var(--ink);
  color: #FFFFFF !important;
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Dark mode secondary button */
.btn-secondary-white {
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF !important;
  border-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-secondary-white:hover {
  background-color: #FFFFFF;
  color: var(--ink) !important;
  border-color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

.btn-sm {
  padding: 10px 20px;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 18px 36px;
  font-size: var(--text-lg);
}

/* -------------------------------------------------------------------------
   Cards & Badges
   ------------------------------------------------------------------------- */
.card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 130, 0, 0.3);
}

.card-dark {
  background-color: var(--charcoal);
  border-color: var(--border-dark);
}

.card-dark:hover {
  border-color: var(--brand-orange);
  box-shadow: var(--shadow-dark-card);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-orange {
  background-color: rgba(255, 130, 0, 0.12);
  color: var(--orange-text);
  border: 1px solid rgba(255, 130, 0, 0.25);
}

.badge-red {
  background-color: rgba(232, 24, 28, 0.12);
  color: var(--brand-red);
  border: 1px solid rgba(232, 24, 28, 0.25);
}

.badge-dark {
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* -------------------------------------------------------------------------
   Logo Container (Strict Logo Rules)
   ------------------------------------------------------------------------- */
.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #FFFFFF;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.site-logo-img {
  height: 50px;
  width: auto;
  display: block;
}

/* -------------------------------------------------------------------------
   Micro-Animations & Accessibility
   ------------------------------------------------------------------------- */
@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;
  }
}