/* ===================================================================
   CEO53.COM - MODERN PORTFOLIO STYLESHEET
   Design System: Deep Obsidian, Ambient Cybernetic Glow, Glassmorphism
   =================================================================== */

:root {
  --bg-dark: #07090e;
  --bg-card: #0d121f;
  --bg-card-hover: #131a2b;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(16, 185, 129, 0.4);
  --primary: #10b981;
  --primary-glow: rgba(16, 185, 129, 0.25);
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.25);
  --purple: #a855f7;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
}

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

html {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-dark);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #07090e;
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #10b981;
}

/* Background Ambient Glows & Grid */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.22;
  pointer-events: none;
}
.ambient-glow.top-left {
  top: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #10b981 0%, transparent 70%);
}
.ambient-glow.top-right {
  top: 10%;
  right: -5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
}
.ambient-glow.bottom-center {
  bottom: 5%;
  left: 25%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
}

/* Navigation Links */
.nav-link {
  color: #94a3b8;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
  text-decoration: none;
}
.nav-link:hover {
  color: #ffffff;
}
.nav-link:hover::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: #10b981;
  border-radius: 2px;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: 9999px;
  box-shadow: 0 4px 15px var(--primary-glow);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #10b981, #0d9488);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.85rem;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(16, 185, 129, 0.45);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.8);
  color: #e2e8f0;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.85rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-blur: 8px;
  transition: all 0.3s ease;
  text-decoration: none;
}
.btn-hero-secondary:hover {
  background: rgba(30, 41, 59, 0.9);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Tech Badges */
.badge-tech {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #cbd5e1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(8px);
}

/* Statistics */
.stat-card {
  padding: 1.5rem 1rem;
  background: rgba(13, 18, 31, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}
.stat-card:hover {
  border-color: rgba(16, 185, 129, 0.25);
  transform: translateY(-2px);
}
.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #34d399, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.35rem;
}
.stat-label {
  font-size: 0.8rem;
  color: #94a3b8;
  font-weight: 500;
}

/* Filter Buttons */
.filter-btn {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #94a3b8;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.filter-btn:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}
.filter-btn.active {
  background: #10b981;
  color: #ffffff;
  border-color: #10b981;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

/* Project Cards */
.project-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  height: 100%;
}
.project-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.6), 0 0 25px -5px rgba(16, 185, 129, 0.15);
}
.project-banner {
  height: 140px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}
.project-icon-badge {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  transition: transform 0.3s ease;
}
.project-card:hover .project-icon-badge {
  transform: scale(1.1);
}
.project-pill-category {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  color: #cbd5e1;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  letter-spacing: 0.03em;
}
.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.tech-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.75rem;
}
.tech-tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #94a3b8;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
}
.project-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: rgba(10, 14, 24, 0.4);
}
.btn-detail {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn-detail:hover {
  background: #10b981;
  color: #ffffff;
  border-color: #10b981;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

/* Tech Category Cards */
.tech-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s ease;
}
.tech-category-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
}

/* Inputs & Form */
.input-field {
  width: 100%;
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: #ffffff;
  font-size: 0.875rem;
  outline: none;
  transition: all 0.2s ease;
}
.input-field:focus {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}
.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
  transition: all 0.25s ease;
}
.btn-submit:hover {
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.45);
  transform: translateY(-1px);
}

/* Modal Styling */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 1;
  transition: opacity 0.3s ease;
}
.modal-backdrop.hidden {
  display: none;
  opacity: 0;
}
.modal-content {
  background: #0d121f;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 30px rgba(16, 185, 129, 0.15);
  animation: modalScaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 2rem;
}
@keyframes modalScaleIn {
  from {
    transform: scale(0.95) translateY(10px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}
.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #94a3b8;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}
.modal-close:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.3);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .stat-number {
    font-size: 1.75rem;
  }
  .modal-content {
    padding: 1.25rem;
  }
}