/**
 * Career Evolution - Base Styles & Reset
 */

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: var(--leading-normal);
  color: var(--text-main);
  background-color: var(--bg-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-body);
  color: var(--text-main);
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Devanagari / Hindi Typography */
:lang(hi), .font-hindi {
  font-family: var(--font-hindi);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, var(--text-5xl)); margin-bottom: var(--space-4); }
h2 { font-size: clamp(1.6rem, 2.5vw + 0.8rem, var(--text-3xl)); margin-bottom: var(--space-3); }
h3 { font-size: clamp(1.25rem, 1.5vw + 0.6rem, var(--text-2xl)); margin-bottom: var(--space-2); }
h4 { font-size: var(--text-xl); margin-bottom: var(--space-2); }
h5 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
h6 { font-size: var(--text-base); margin-bottom: var(--space-1); }

p {
  margin-bottom: var(--space-4);
  color: var(--text-main);
  line-height: var(--leading-relaxed);
}

p.lead {
  font-size: var(--text-lg);
  color: var(--text-muted);
  font-weight: 400;
}

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

a:hover {
  color: var(--ce-blue);
}

/* Focus Visibility & Accessibility */
:focus-visible {
  outline: 3px solid var(--border-focus);
  outline-offset: 2px;
}

/* Images & Media */
img, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container, .container-wide, .container-narrow {
    padding-inline: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container, .container-wide, .container-narrow {
    padding-inline: var(--space-8);
  }
}

/* Layout Utilities */
.section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
  position: relative;
}

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

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-12));
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background-color: var(--ce-blue-subtle);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

[data-theme="dark"] .section-tag {
  background-color: rgba(37, 99, 235, 0.18);
  color: var(--ce-blue-light);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}