/* ==========================================================================
   CeloraIT Portfolio - Clean, Noise-Free, Minimalist Design System
   Brand Identity: Software • SaaS • ERP • AI • Cloud • Mobile Apps
   ========================================================================== */

:root {
  /* Clean Dark Matte Palette (Noise-Free) */
  --bg-primary: #090d10;
  --bg-secondary: #0d1216;
  --bg-surface: #10161b;
  --bg-surface-hover: #141c22;
  --bg-card: rgba(255, 255, 255, 0.025);
  --bg-card-hover: rgba(255, 255, 255, 0.045);
  
  /* Restrained, Tasteful Accents */
  --accent-primary: #00e599;
  --accent-secondary: #38bdf8;
  --accent-muted: rgba(0, 229, 153, 0.12);
  
  /* Typography Colors */
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-highlight: #ffffff;
  
  /* Minimal Crisp Borders */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-card: rgba(255, 255, 255, 0.1);
  --border-card-hover: rgba(255, 255, 255, 0.18);
  
  /* Natural Shadows (No Loud Glowing Halos) */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.25s ease;

  /* Layout */
  --container-width: 1180px;
  --header-height: 72px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Selection Color */
::selection {
  background-color: rgba(0, 229, 153, 0.25);
  color: #ffffff;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
  border: none;
}

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

.section {
  padding-top: 96px;
  padding-bottom: 96px;
  position: relative;
}

/* Minimalist Clean Section Tag */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--accent-muted);
  border: 1px solid rgba(0, 229, 153, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px auto;
}

.section-title {
  font-size: clamp(1.85rem, 3.2vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-highlight);
  margin-bottom: 14px;
}

.section-title .text-accent {
  color: var(--accent-primary);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
}

.btn-primary {
  background: var(--accent-primary);
  color: #050a0d;
  font-weight: 600;
}

.btn-primary:hover {
  background: #00f5a3;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-card);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-sm {
  padding: 7px 15px;
  font-size: 0.84rem;
  border-radius: 6px;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  color: var(--text-highlight);
  border-color: var(--border-card);
  background: rgba(255, 255, 255, 0.08);
}

/* --------------------------------------------------------------------------
   Clean Panels & Badges (No Neon Noise)
   -------------------------------------------------------------------------- */
.glass-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.glass-panel:hover {
  border-color: var(--border-card);
  background: var(--bg-card-hover);
}

/* Tech Pill */
.tech-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 0.74rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: #94a3b8;
  transition: color var(--transition-fast);
}

.tech-pill:hover {
  color: var(--accent-primary);
  border-color: rgba(0, 229, 153, 0.25);
}