/* ==========================================================================
   CJ Conejos — Data Analyst Portfolio Stylesheet
   Palette: Deep Navy · Electric Teal · Amber · Slate
   Aesthetic: Executive BI Dashboard · Editorial · Data-Refined
   ========================================================================== */

/* --- Google Fonts Override (keep Lato/Playfair from HTML) --- */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&family=Playfair+Display:ital,wght@0,500;0,700;1,500&family=JetBrains+Mono:wght@400;600&display=swap');

/* ==========================================================================
   1. CSS Custom Properties
   ========================================================================== */
:root {
  /* Core Palette */
  --navy-deepest:  #080e1a;
  --navy-deep:     #0d1526;
  --navy-mid:      #111e35;
  --navy-card:     #152040;
  --navy-border:   #1e2f52;

  --teal:          #00d4b8;
  --teal-dim:      #00a896;
  --teal-glow:     rgba(0, 212, 184, 0.12);
  --teal-glow-lg:  rgba(0, 212, 184, 0.06);

  --amber:         #f5a623;
  --amber-dim:     #c4841b;
  --amber-glow:    rgba(245, 166, 35, 0.10);

  --slate-light:   #c8d6f0;
  --slate-mid:     #7a91b8;
  --slate-dim:     #4a5c7a;

  --white:         #ffffff;
  --body-text:     #a8bcd8;

  /* Typography */
  --font-display:  'Playfair Display', Georgia, serif;
  --font-body:     'Lato', sans-serif;
  --font-mono:     'JetBrains Mono', 'Courier New', monospace;

  /* Spacing */
  --section-pad:   7rem 0;
  --container-max: 1160px;

  /* Transitions */
  --ease:          cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-snap:     cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  background-color: var(--navy-deepest);
  color: var(--body-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Subtle grid texture overlay on body */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,184,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,184,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* ==========================================================================
   3. Container
   ========================================================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   4. Header
   ========================================================================== */
header {
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy-deepest) 100%);
  padding: 6rem 0 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--navy-border);
}

/* Radial teal glow behind the name */
header::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0,212,184,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* Amber accent bar at top */
header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--amber), var(--teal), transparent);
}

header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 0.6rem;
  animation: fadeUp 0.8s var(--ease) both;
}

header p {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--teal);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 2.2rem;
  animation: fadeUp 0.8s var(--ease) 0.15s both;
}

/* Social links */
.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  animation: fadeUp 0.8s var(--ease) 0.3s both;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--navy-border);
  border-radius: 8px;
  color: var(--slate-mid);
  font-size: 1rem;
  background: var(--navy-mid);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease),
              background 0.25s var(--ease), transform 0.25s var(--ease-snap),
              box-shadow 0.25s var(--ease);
}

.social-links a:hover {
  color: var(--teal);
  border-color: var(--teal);
  background: var(--teal-glow);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,212,184,0.18);
}

/* ==========================================================================
   5. Navigation
   ========================================================================== */
nav {
  background: rgba(13, 21, 38, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--navy-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 0;
  padding: 0;
}

nav ul li a {
  display: block;
  padding: 1.1rem 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-mid);
  text-decoration: none;
  position: relative;
  transition: color 0.2s var(--ease);
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--amber));
  border-radius: 2px;
  transition: transform 0.25s var(--ease-snap);
}

nav ul li a:hover {
  color: var(--white);
}

nav ul li a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

/* ==========================================================================
   6. Sections — Common
   ========================================================================== */
.section {
  padding: var(--section-pad);
  position: relative;
}

/* Alternating subtle bg */
.section:nth-child(even) {
  background: linear-gradient(180deg, var(--navy-deep) 0%, var(--navy-deepest) 100%);
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}

/* Teal underline accent on headings */
.section h2::after {
  content: '';
  display: block;
  margin-top: 0.5rem;
  height: 3px;
  width: 56px;
  background: linear-gradient(90deg, var(--teal), var(--amber));
  border-radius: 2px;
}

/* ==========================================================================
   7. About Section
   ========================================================================== */
#about {
  background: var(--navy-deepest);
}

.about-content {
  display: flex;
  align-items: center;
  gap: 3.5rem;
}

.profile-photo {
  width: 200px;
  height: 200px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--navy-border);
  box-shadow:
    0 0 0 6px var(--navy-mid),
    0 0 0 7px var(--teal-dim),
    0 24px 48px rgba(0, 0, 0, 0.4);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.profile-photo:hover {
  transform: scale(1.03) rotate(1deg);
  box-shadow:
    0 0 0 6px var(--navy-mid),
    0 0 0 7px var(--teal),
    0 32px 64px rgba(0, 212, 184, 0.15);
}

.about-text p {
  font-size: 1.05rem;
  color: var(--body-text);
  line-height: 1.85;
  margin-bottom: 1rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   8. Projects Section
   ========================================================================== */
#projects {
  background: linear-gradient(180deg, var(--navy-deepest) 0%, var(--navy-deep) 100%);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}

.project-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease-snap), border-color 0.3s var(--ease),
              box-shadow 0.3s var(--ease);
  position: relative;
}

/* Teal glow strip at top on hover */
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--amber));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
  z-index: 2;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--teal-dim);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(0, 212, 184, 0.1),
    inset 0 1px 0 rgba(0, 212, 184, 0.06);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease);
  filter: brightness(0.85) saturate(0.8);
}

.project-card:hover img {
  transform: scale(1.04);
  filter: brightness(0.95) saturate(1);
}

.project-card-content {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 0.75rem;
}

.project-card-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}

.project-card-content p {
  font-size: 0.9rem;
  color: var(--slate-mid);
  line-height: 1.65;
  flex-grow: 1;
}

.project-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   9. Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.6rem 1.3rem;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.22s var(--ease), color 0.22s var(--ease),
              box-shadow 0.22s var(--ease), transform 0.2s var(--ease-snap);

  /* Primary: Teal fill */
  background: var(--teal);
  color: var(--navy-deepest);
}

.btn:hover {
  background: var(--white);
  color: var(--navy-deepest);
  box-shadow: 0 6px 20px rgba(0, 212, 184, 0.28);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

/* Secondary: Outlined */
.btn-secondary {
  background: transparent;
  color: var(--teal);
  border: 1px solid var(--teal-dim);
}

.btn-secondary:hover {
  background: var(--teal-glow);
  color: var(--teal);
  box-shadow: 0 6px 20px rgba(0, 212, 184, 0.15);
  transform: translateY(-2px);
}

/* Contact form submit button */
.contact-form .btn {
  padding: 0.9rem 2.5rem;
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

/* ==========================================================================
   10. Skills Section
   ========================================================================== */
#skills {
  background: var(--navy-deepest);
}

.skills-table {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.skill-column {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 14px;
  padding: 2rem 1.75rem;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease),
              transform 0.25s var(--ease-snap);
  position: relative;
  overflow: hidden;
}

/* Subtle ambient glow in corner */
.skill-column::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, var(--teal-glow) 0%, transparent 70%);
  pointer-events: none;
  transition: opacity 0.3s;
  opacity: 0;
}

.skill-column:hover {
  border-color: rgba(0, 212, 184, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(0, 212, 184, 0.08);
  transform: translateY(-4px);
}

.skill-column:hover::after {
  opacity: 1;
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--navy-border);
}

.skill-header i {
  font-size: 1.2rem;
  color: var(--teal);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-glow);
  border-radius: 8px;
  border: 1px solid rgba(0, 212, 184, 0.15);
  flex-shrink: 0;
}

.skill-header h3 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--slate-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.skill-list li {
  font-size: 0.95rem;
  color: var(--body-text);
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: background 0.2s var(--ease), color 0.2s var(--ease),
              padding-left 0.2s var(--ease);
}

/* Dot indicator */
.skill-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-dim);
  flex-shrink: 0;
  transition: background 0.2s, transform 0.2s;
}

.skill-list li:hover {
  background: var(--teal-glow);
  color: var(--slate-light);
  padding-left: 1rem;
}

.skill-list li:hover::before {
  background: var(--amber);
  transform: scale(1.4);
}

/* ==========================================================================
   11. Contact Section
   ========================================================================== */
#contact {
  background: linear-gradient(180deg, var(--navy-deep) 0%, var(--navy-deepest) 100%);
}

.contact-form {
  max-width: 640px;
}

.contact-form > p {
  font-size: 1rem;
  color: var(--slate-mid);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-mid);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 8px;
  padding: 0.85rem 1.1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--white);
  outline: none;
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease),
              background 0.22s var(--ease);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--slate-dim);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--teal-dim);
  background: var(--navy-mid);
  box-shadow: 0 0 0 3px rgba(0, 212, 184, 0.12);
}

/* ==========================================================================
   12. Footer
   ========================================================================== */
footer {
  background: var(--navy-deepest);
  border-top: 1px solid var(--navy-border);
  padding: 2rem 0;
  text-align: center;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal-dim), var(--amber-dim), transparent);
  opacity: 0.4;
}

footer p {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--slate-dim);
}

/* ==========================================================================
   13. Animations
   ========================================================================== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll-reveal: add .reveal class via JS for section entrances */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   14. Scrollbar Styling
   ========================================================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--navy-deepest);
}

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

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

/* ==========================================================================
   15. Selection Color
   ========================================================================== */
::selection {
  background: rgba(0, 212, 184, 0.25);
  color: var(--white);
}

/* ==========================================================================
   16. Responsive
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --section-pad: 4.5rem 0;
  }

  .about-content {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .profile-photo {
    width: 160px;
    height: 160px;
  }

  nav ul li a {
    padding: 1rem 1rem;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .skills-table {
    grid-template-columns: 1fr;
  }

  header {
    padding: 4rem 0 3.5rem;
  }

  header h1 {
    font-size: 2.4rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  nav ul {
    gap: 0;
  }

  nav ul li a {
    padding: 0.9rem 0.7rem;
    font-size: 0.63rem;
  }

  .project-buttons {
    flex-direction: column;
  }

  .project-buttons .btn {
    text-align: center;
    justify-content: center;
  }
}