/* ==========================================================================
   FRANKLIN ELETROMEC — BASE & TYPOGRAPHY
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--steel-100);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--steel-200);
  background-color: #08090C;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--steel-600);
  border-radius: var(--radius-xs);
  border: 2px solid var(--bg-deep);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold-primary);
}

/* Selection */
::selection {
  background: var(--gold-primary);
  color: var(--bg-deep);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--steel-100);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 600;
}

h4 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  color: var(--steel-300);
  font-size: 1.05rem;
  line-height: 1.65;
}

p.lead {
  font-size: clamp(1.1rem, 1.35vw, 1.25rem);
  color: var(--steel-200);
  line-height: 1.6;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 2;
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 2;
}

.section-padding {
  padding-top: clamp(80px, 10vw, 130px);
  padding-bottom: clamp(80px, 10vw, 130px);
  position: relative;
}

.section-padding-sm {
  padding-top: clamp(50px, 6vw, 80px);
  padding-bottom: clamp(50px, 6vw, 80px);
  position: relative;
}

/* Technical Eyebrows */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-tech);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gold-primary);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--gold-primary);
  box-shadow: 0 0 10px var(--gold-primary);
}

.eyebrow-steel {
  color: var(--steel-300);
}
.eyebrow-steel::before {
  background: var(--steel-300);
  box-shadow: 0 0 8px var(--steel-400);
}

/* Accent highlight */
.text-gold {
  color: var(--gold-primary);
}

.text-gradient-steel {
  background: linear-gradient(180deg, #FFFFFF 0%, #A7A9AC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Section Header Block */
.section-header {
  margin-bottom: clamp(40px, 6vw, 70px);
}

.section-header.text-center {
  text-align: center;
}

.section-header.text-center .eyebrow {
  justify-content: center;
}

.section-header .subtext {
  max-width: 680px;
  margin-top: 16px;
  font-size: 1.1rem;
}

.section-header.text-center .subtext {
  margin-left: auto;
  margin-right: auto;
}

/* Engineering Crosshair / Technical Marker */
.hud-corner {
  position: relative;
}
.hud-corner::after {
  content: '+';
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-tech);
  font-size: 14px;
  color: var(--steel-500);
  pointer-events: none;
}

/* Accessibility & 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;
  }
}