/* ==========================================================================
   Yared Kinetibeb Tesfaye Portfolio - Main Styles & Design System
   ========================================================================== */

:root {
  /* Color Palette - Luxury Dark & Gold */
  --bg-body: #09090b;
  --bg-navbar: rgba(13, 13, 16, 0.85);
  --bg-card: #121216;
  --bg-card-hover: #191920;
  --bg-card-border: #26231d;
  --bg-card-border-hover: #e5b769;

  --gold-primary: #e5b769;
  --gold-light: #f7d794;
  --gold-dark: #b8860b;
  --gold-shadow: rgba(229, 183, 105, 0.25);
  --gold-gradient: linear-gradient(135deg, #f7d794 0%, #e5b769 50%, #b8860b 100%);
  --gold-border-gradient: linear-gradient(135deg, rgba(229,183,105,0.6) 0%, rgba(184,134,11,0.2) 100%);

  --text-main: #f4f4f7;
  --text-muted: #9e9ea8;
  --text-dim: #6d6d7a;

  --accent-blue: #38bdf8;
  --accent-purple: #a855f7;

  /* Fonts & Shadows */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 50px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-gold: 0 0 25px rgba(229, 183, 105, 0.15);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Basic Box Model */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-body);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
}

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

button {
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  font-family: inherit;
}

ul {
  list-style: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Section Shared Layout */
section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  margin-bottom: 60px;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(229, 183, 105, 0.08);
  border: 1px solid rgba(229, 183, 105, 0.2);
  border-radius: var(--radius-pill);
  color: var(--gold-primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-tag.center {
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Gold Gradient Text */
.text-gold {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Particle Canvas */
#hero-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gold-gradient);
  color: #0d0d0f;
  box-shadow: 0 4px 20px rgba(229, 183, 105, 0.3);

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(229, 183, 105, 0.45);
}

.btn-outline {
  border: 1px solid rgba(229, 183, 105, 0.5);
  color: var(--gold-primary);
  background: rgba(229, 183, 105, 0.03);
}

.btn-outline:hover {
  border-color: var(--gold-primary);
  background: rgba(229, 183, 105, 0.12);
  color: var(--gold-light);
  transform: translateY(-2px);
}

.btn-cv {
  border: 1px solid rgba(229, 183, 105, 0.5);
  color: var(--gold-primary);
  padding: 10px 20px;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

.btn-cv:hover {
  background: var(--gold-gradient);
  color: #0d0d0f;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(229, 183, 105, 0.3);
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.icon-btn:hover {
  border-color: var(--gold-primary);
  color: var(--gold-primary);
  background: rgba(229, 183, 105, 0.1);
  transform: translateY(-2px);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #09090b;
}
::-webkit-scrollbar-thumb {
  background: #26231d;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold-primary);
}