@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ==========================================================================
   ULTRA-PREMIUM DARK THEME (OLED-OPTIMIZED)
   ========================================================================== */

:root {
  --bg-color: #000000; /* Pure black */
  --surface-color: #111113; /* Deep surface */
  --surface-elevated: #1c1c1e; /* Elevated surface */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-pill: rgba(255, 255, 255, 0.15);
  
  --text-primary: #ffffff;
  --text-secondary: #a1a1a6;
  --text-tertiary: #86868b;

  --accent-primary: #2997ff; /* Tech Blue */
  --accent-secondary: #bf5af2; /* Tech Purple */
  --accent-gradient: linear-gradient(135deg, #2997ff 0%, #bf5af2 100%);
  
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --radius-pill: 9999px;
  
  --shadow-soft: 0 4px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(41, 151, 255, 0.2);

  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --nav-height: 80px;
}

body {
  background-color: var(--bg-color) !important;
  color: var(--text-secondary) !important;
  font-family: var(--font-body) !important;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --------------------------------------
   TYPOGRAPHY
   -------------------------------------- */
h1, h2, h3, h4, h5, h6, .display-1, .display-2, .display-3, .display-5 {
  color: var(--text-primary) !important;
  font-family: var(--font-display) !important;
  font-weight: 700 !important;
  letter-spacing: -0.04em !important;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --------------------------------------
   NAVBAR
   -------------------------------------- */
.navbar {
  height: var(--nav-height);
  background: rgba(0, 0, 0, 0.7) !important;
  backdrop-filter: blur(25px) saturate(180%);
  -webkit-backdrop-filter: blur(25px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 2rem !important;
}

.navbar-brand {
  font-family: var(--font-display);
  font-weight: 800 !important;
  font-size: 1.5rem !important;
}

.nav-link {
  font-weight: 500 !important;
  font-size: 0.95rem !important;
  margin: 0 1rem;
  color: var(--text-secondary) !important;
  transition: all 0.3s ease !important;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width 0.3s ease;
}

.nav-link.active::after, .nav-link:hover::after {
  width: 100%;
}

/* --------------------------------------
   HERO SECTION
   -------------------------------------- */
.header-bg {
  padding-top: calc(var(--nav-height) + 60px) !important;
  background: radial-gradient(circle at top right, rgba(41, 151, 255, 0.1), transparent 40%),
              radial-gradient(circle at bottom left, rgba(191, 90, 242, 0.05), transparent 40%);
}

.hero-img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  animation: float 8s ease-in-out infinite;
  mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}

/* --------------------------------------
   BUTTONS (MODERN)
   -------------------------------------- */
.btn-modern {
  background: var(--text-primary);
  color: #000000 !important;
  border-radius: var(--radius-pill);
  padding: 0.8rem 2.5rem;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 8px 16px rgba(255, 255, 255, 0.1);
}

.btn-modern:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 24px rgba(255, 255, 255, 0.2);
  background: #f5f5f7;
}

.btn-modern-outline {
  background: transparent;
  color: var(--text-primary) !important;
  border: 1.5px solid var(--border-pill);
  border-radius: var(--radius-pill);
  padding: 0.8rem 2.5rem;
  font-weight: 600;
  transition: all 0.4s ease;
}

.btn-modern-outline:hover {
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

/* --------------------------------------
   CARDS & GRID
   -------------------------------------- */
.minimal-card {
  background: var(--surface-color);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  height: 100%;
}

.minimal-card:hover {
  background: var(--surface-elevated);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-8px);
  box-shadow: var(--shadow-soft);
}

.skill-grid {
  display: flex !important;
  flex-wrap: wrap !important;
  justify-content: center !important;
  gap: 1.2rem !important;
  padding: 1rem 0;
}

.skill-category-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 2.5rem;
  backdrop-filter: blur(10px);
  transition: all 0.4s ease;
}

.skill-category-card:hover {
  border-color: rgba(41, 151, 255, 0.3);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.skill-pill {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: default;
  white-space: nowrap;
  position: relative;
}

.skill-pill i {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.skill-pill:hover {
  background: var(--surface-elevated);
  color: white !important;
  border-color: var(--accent-primary);
  transform: translateY(-5px) scale(1.05);
}

.skill-pill:hover i {
  transform: scale(1.2);
}

/* BRAND COLORS */
.icon-html { color: #E34F26; }
.icon-css { color: #1572B6; }
.icon-js { color: #F7DF1E; }
.icon-vue { color: #4FC08D; }
.icon-angular { color: #DD0031; }
.icon-flutter { color: #02569B; }
.icon-dart { color: #00B4AB; }
.icon-java { color: #007396; }
.icon-spring { color: #6DB33F; }
.icon-php { color: #777BB4; }
.icon-laravel { color: #FF2D20; }
.icon-db { color: #336791; }
.icon-docker { color: #2496ED; }
.icon-git { color: #F05032; }

.badge-advanced {
  position: absolute;
  top: -8px;
  right: 10px;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.6rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 5px rgba(191, 90, 242, 0.4);
}

/* --------------------------------------
   PORTFOLIO GALLERY
   -------------------------------------- */
.portfolio-item {
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  background: var(--surface-color);
  border: 1px solid var(--border-subtle);
}

.portfolio-item img {
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
  transition: all 0.6s cubic-bezier(0.2, 1, 0.3, 1);
}

.portfolio-item:hover img {
  transform: scale(1.1);
}

.portfolio-btn {
  background: rgba(0, 0, 0, 0.4) !important;
  backdrop-filter: blur(10px);
}

/* --------------------------------------
   CERTIFICATIONS
   -------------------------------------- */
.cert-card {
  display: flex !important;
  align-items: center;
  gap: 1.5rem;
  background: var(--surface-color);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.cert-card:hover {
  background: var(--surface-elevated);
  border-color: var(--accent-primary);
}

.cert-icon {
  font-size: 2rem;
  color: var(--accent-primary);
}

/* --------------------------------------
   UTILITIES
   -------------------------------------- */
.section-title-bg {
  opacity: 0.03 !important;
  font-size: 8rem !important;
  font-weight: 800 !important;
}

.border-left {
  border-left: 2px solid var(--border-subtle) !important;
}

.fa-dot-circle {
  background-color: var(--bg-color);
  padding: 4px;
}