/* =========================================
   Angel Docampo Portfolio — Custom CSS
   Dark Theme for Bootstrap 5.3
   ========================================= */

:root {
  --accent: #10b981;
  --accent-hover: #059669;
  --accent-glow: rgba(16, 185, 129, 0.15);
  --bg-primary: #0f0f0f;
  --bg-secondary: #161616;
  --bg-card: #1a1a1a;
  --text-primary: #e4e4e7;
  --text-secondary: #a1a1aa;
  --border-color: #2a2a2a;
}

/* ---- General ---- */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
}

a {
  color: var(--accent);
  transition: color 0.3s;
}

a:hover {
  color: var(--accent-hover);
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* ---- Sections ---- */
.section {
  padding: 6rem 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-title {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 700;
  font-size: 1.75rem;
  margin-bottom: 3rem;
  text-align: center;
  color: var(--accent);
}

/* ---- Navbar ---- */
.navbar {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  padding: 0.75rem 0;
}

.navbar.scrolled {
  background: rgba(15, 15, 15, 0.95) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.navbar-brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff !important;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.75) !important;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.5rem 0.75rem !important;
  transition: color 0.3s;
}

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

.social-link {
  color: rgba(255, 255, 255, 0.75) !important;
  font-size: 1.1rem;
  margin-left: 0.5rem;
  transition: color 0.3s;
}

.social-link:hover {
  color: var(--accent) !important;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.2);
}

.navbar-toggler-icon {
  filter: invert(1);
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0a0a 0%, #111827 40%, #0a1628 70%, #0f0f0f 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 80%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
  animation: meshFloat 20s ease-in-out infinite;
}

@keyframes meshFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-20px, 10px) scale(1.02); }
  66% { transform: translate(15px, -15px) scale(0.98); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.5rem;
}

.hero .lead {
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 400;
  margin-bottom: 2rem;
}

.hero .quote {
  font-style: italic;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  font-size: 1.5rem;
  animation: bounce 2s infinite;
  z-index: 1;
  text-decoration: none;
}

.scroll-indicator:hover {
  color: var(--accent);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ---- About ---- */
.about-photo {
  width: 300px;
  height: 300px;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 50%;
  border: 3px solid var(--accent);
  box-shadow: 0 0 40px rgba(16, 185, 129, 0.15);
}

.about-text p {
  text-align: justify;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-details {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.about-details i {
  color: var(--accent);
  width: 20px;
}

.signature {
  max-width: 180px;
  opacity: 0.7;
  margin-top: 1.5rem;
}

/* ---- Skill Cards ---- */
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  height: 100%;
  transition: transform 0.3s, border-color 0.3s;
}

.skill-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.skill-card .skill-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.skill-card h5 {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.skill-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  margin: 0.2rem;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 6px;
}

.skill-extra {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 2rem;
}

.skill-extra .skill-badge {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

/* ---- Timeline ---- */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.35rem;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-primary);
}

.section-alt .timeline-item::before {
  border-color: var(--bg-secondary);
}

.timeline-year {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.15rem;
}

.timeline-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.timeline-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.edu-courses-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.course-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.course-list li {
  padding: 0.3rem 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.course-list li b {
  color: var(--accent);
  margin-right: 0.5rem;
  font-weight: 600;
}

/* ---- Projects ---- */
.project-zone-title {
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.project-zone-title i {
  margin-right: 0.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: transform 0.3s, border-color 0.3s;
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.project-card.featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.project-card h5 {
  color: #fff;
  font-weight: 600;
  font-size: 1.1rem;
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.project-card .badge {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.3rem 0.6rem;
}

.project-card.lab {
  border-style: dashed;
  border-color: rgba(16, 185, 129, 0.3);
}

.project-card.past {
  opacity: 0.65;
  border-color: transparent;
  background: rgba(26, 26, 26, 0.5);
  padding: 1rem 1.5rem;
}

.project-card.past:hover {
  opacity: 1;
}

.project-card.past h6 {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.project-card.past p {
  margin-bottom: 0;
  font-size: 0.85rem;
}

.project-card.past .text-muted {
  font-size: 0.75rem;
}

/* ---- Know Me Tabs ---- */
.know-me-tabs .nav-link {
  color: var(--text-secondary) !important;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin: 0.25rem;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.3s;
}

.know-me-tabs .nav-link.active {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
}

.know-me-tabs .nav-link:hover:not(.active) {
  border-color: var(--accent);
  color: var(--accent) !important;
}

/* ---- Accordion ---- */
.accordion-item {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  margin-bottom: 0.5rem;
  border-radius: 8px !important;
}

.accordion-button {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: none !important;
  border-radius: 8px !important;
}

.accordion-button:not(.collapsed) {
  background: rgba(16, 185, 129, 0.08) !important;
  color: var(--accent) !important;
}

.accordion-button::after {
  filter: invert(1) grayscale(1);
}

.accordion-button i {
  color: var(--accent);
  width: 24px;
  text-align: center;
  margin-right: 0.75rem;
}

.accordion-body {
  color: var(--text-secondary);
  line-height: 1.8;
  border-top: 1px solid var(--border-color);
}

.accordion-body p {
  text-align: justify;
  margin-bottom: 1rem;
}

.accordion-body img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.accordion-body h5 {
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: 1rem;
}

/* ---- Contact ---- */
.form-control,
.form-control:focus {
  background: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.2);
}

.form-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 0.7rem 2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  transition: all 0.3s;
  border-radius: 8px;
}

.btn-accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

#formresult {
  display: none;
}

/* ---- Footer ---- */
footer {
  background: var(--bg-secondary);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

footer a {
  color: var(--accent);
}

/* ---- Scroll to Top ---- */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
}

/* ---- Responsive ---- */
@media (max-width: 991px) {
  .hero h1 {
    font-size: 3rem;
  }

  .hero .lead {
    font-size: 1.1rem;
  }

  .section {
    padding: 4rem 0;
  }

  .navbar-collapse {
    background: rgba(15, 15, 15, 0.98);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 0.5rem;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .about-photo {
    width: 180px;
    height: 180px;
  }

  .section-title {
    font-size: 1.4rem;
    letter-spacing: 2px;
  }

  .know-me-tabs .nav-link {
    font-size: 0.75rem;
    padding: 0.5rem 0.6rem;
  }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}