/* ============================================
   GLOBALHIRE@ELAB — Base Styles
   Reset, Typography, Utilities
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-deep);
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

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

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--primary);
}

.overline {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--text-tertiary);
}

.mono {
  font-family: var(--font-mono);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-wide {
  max-width: var(--container-2xl);
}

.section {
  padding: var(--space-32) 0;
  position: relative;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }

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

.text-center { text-align: center; }
.text-right { text-align: right; }
.relative { position: relative; }
.w-full { width: 100%; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ── Reveal Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out),
              filter var(--duration-slower) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }
.reveal-delay-6 { transition-delay: 600ms; }

/* ── Reveal Variants ── */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.88);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-spring);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

.reveal-blur {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(12px);
  transition: opacity var(--duration-slower) var(--ease-out),
              filter var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}
.reveal-blur.visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* ── Stagger Container ── */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 500ms var(--ease-out),
              transform 500ms var(--ease-out);
}
.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 560ms; }

/* ── Subtitle ── */
.subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: var(--container-content);
}

.subtitle-centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ── Content Containers ── */
.content-container {
  max-width: var(--container-content);
  margin: 0 auto;
}

.narrow-container {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

/* ── Dividers ── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-default), transparent);
}

.section-divider {
  width: 100%;
  height: 2px;
  background: var(--gradient-divider);
  opacity: 0.4;
}

/* ── Section Alternating Backgrounds ── */
.section-alt {
  background: var(--gradient-surface-alt);
}

/* ── Large Section Spacing ── */
.section-lg {
  padding: var(--space-40) 0;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .section { padding: var(--space-20) 0; }
}

@media (max-width: 768px) {
  html { font-size: 15px; }
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .container { padding: 0 var(--space-4); }
  .section { padding: var(--space-16) 0; }
  .hide-mobile { display: none !important; }
}

/* ── Glowing Line Separator ── */
.glow-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 5%, var(--primary) 30%, var(--secondary) 50%, var(--primary) 70%, transparent 95%);
  opacity: 0.4;
  position: relative;
}

.glow-line::after {
  content: '';
  position: absolute;
  inset: -2px 0;
  background: inherit;
  filter: blur(6px);
  opacity: 0.6;
}

/* ── Typewriter Cursor ── */
.typewriter-cursor::after {
  content: '|';
  color: var(--primary);
  animation: cursor-blink 1s step-end infinite;
  font-weight: 300;
  margin-left: 2px;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-left, .reveal-right, .reveal-scale, .reveal-blur,
  .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}