/* ============================================================
   Henry Elue — PM Portfolio Styles
   ============================================================ */

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

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

:root {
  --navy:   #0f172a;
  --blue:   #2563eb;
  --blue-light: #eff6ff;
  --muted:  #64748b;
  --border: #e2e8f0;
  --bg:     #ffffff;
  --bg-alt: #f8fafc;
  --text:   #0f172a;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(15,23,42,0.08);
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── Layout ── */
.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

/* ── Navbar ── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand a {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  padding: 6px 14px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
  color: var(--navy);
  background: var(--bg-alt);
}

.nav-links a.active {
  color: var(--blue);
  background: var(--blue-light);
}

.nav-links .btn-nav {
  background: var(--blue);
  color: #fff;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
  transition: opacity var(--transition);
}

.nav-links .btn-nav:hover {
  opacity: 0.88;
  background: var(--blue);
  color: #fff;
}

/* ── Hero ── */
.hero {
  padding: 110px 0 90px;
  text-align: center;
  background: var(--bg);
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-light);
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 20px;
}

.hero h1 span { color: var(--blue); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 56px;
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-meta-item {
  text-align: center;
}

.hero-meta-item strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.hero-meta-item span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}

.btn-primary:hover { opacity: 0.88; }

.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--navy);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-light);
}

/* ── Section ── */
.section {
  padding: 80px 0;
}

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

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--navy);
  margin-bottom: 14px;
}

.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* ── Skills Strip ── */
.skills-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill-tag {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--navy);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 99px;
  transition: all var(--transition);
}

.skill-tag:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-light);
}

/* ── Project Cards ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: #c7d2fe;
}

.card-type {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  line-height: 1.4;
}

.card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 20px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 99px;
}

.card-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--transition);
}

.card-link:hover { gap: 8px; }

/* Featured card (larger, on homepage) */
.card-featured {
  grid-column: span 2;
  flex-direction: row;
  gap: 28px;
  align-items: flex-start;
  background: linear-gradient(135deg, var(--navy) 0%, #1e3a5f 100%);
  border-color: transparent;
  color: #fff;
}

.card-featured .card-type { color: #93c5fd; }
.card-featured h3 { color: #fff; font-size: 1.2rem; }
.card-featured p { color: #94a3b8; }
.card-featured .tag { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); color: #cbd5e1; }
.card-featured .card-link { color: #60a5fa; }
.card-featured:hover { border-color: transparent; }

.card-featured-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  margin-top: 4px;
}

/* ── About Page ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.about-sidebar {
  position: sticky;
  top: 100px;
}

.about-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  margin-bottom: 20px;
  cursor: zoom-in;
  transition: border-color var(--transition), transform var(--transition);
}

.about-photo:hover {
  border-color: var(--blue);
  transform: scale(1.04);
}

/* ── Photo Lightbox ── */
.photo-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(15,23,42,0.85);
  backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.photo-lightbox:target {
  display: flex;
}

.photo-lightbox img {
  max-width: min(480px, 90vw);
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  object-fit: cover;
  cursor: default;
}

.about-name {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--navy);
  margin-bottom: 6px;
}

.about-title {
  font-size: 0.95rem;
  color: var(--blue);
  font-weight: 600;
  margin-bottom: 20px;
}

.about-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

.about-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
}

.about-link:hover { color: var(--blue); }

/* ── Availability Signal ── */
.hero-availability {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.availability-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  box-shadow: 0 0 0 0 rgba(34,197,94,0.4);
  animation: avail-pulse 2s ease-out infinite;
}

@keyframes avail-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  70%  { box-shadow: 0 0 0 7px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

/* ── Services ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  border-color: #c7d2fe;
}

.service-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.service-card > p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-list li {
  font-size: 0.83rem;
  color: var(--muted);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}

.service-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Floating Reach Me ── */
.reach-me-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 300;
}

.reach-me-float-btn {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--blue);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 99px;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
  transition: opacity var(--transition), box-shadow var(--transition);
  user-select: none;
  white-space: nowrap;
  position: relative;
}

.reach-me-float-btn::-webkit-details-marker { display: none; }
.reach-me-float-btn:hover {
  opacity: 0.9;
  box-shadow: 0 6px 28px rgba(37,99,235,0.5);
}

.reach-me-float:not([open]) .reach-me-float-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 99px;
  border: 2px solid rgba(37,99,235,0.6);
  animation: reach-pulse 2.4s ease-out infinite;
  pointer-events: none;
}

@keyframes reach-pulse {
  0%   { transform: scale(1);   opacity: 0.7; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

.reach-me-float-card {
  position: absolute;
  bottom: calc(100% + 14px);
  right: 0;
  width: 260px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: 0 8px 32px rgba(15,23,42,0.14);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.reach-me-float-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}

.reach-me-float-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--navy);
  transition: color var(--transition);
  word-break: break-all;
}

.reach-me-float-item:hover { color: var(--blue); }

@media (max-width: 480px) {
  .reach-me-float {
    bottom: 20px;
    right: 16px;
  }
  .reach-me-float-card {
    width: calc(100vw - 32px);
    right: 0;
  }
}

.about-body h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  margin-top: 40px;
}

.about-body h2:first-child { margin-top: 0; }

.about-body p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.competencies-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}

.competency-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--navy);
}

.competency-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
}

.tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

/* ── Projects Page ── */
.projects-header {
  padding: 70px 0 50px;
  text-align: center;
}

.filter-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 99px;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

/* ── Experience ── */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
  margin-top: 8px;
}

.exp-item {
  border-left: 2px solid var(--border);
  padding-left: 24px;
  position: relative;
}

.exp-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.exp-company {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
}

.exp-role {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--blue);
  margin-top: 2px;
}

.exp-meta {
  text-align: right;
  flex-shrink: 0;
}

.exp-date {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.exp-location {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
}

.exp-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.exp-bullets li {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
  padding-left: 14px;
  position: relative;
}

.exp-bullets li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

/* ── Education ── */
.edu-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.edu-item {
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-alt);
}

.edu-degree {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
}

.edu-school {
  font-size: 0.83rem;
  color: var(--muted);
  margin-top: 3px;
}

/* ── Certifications ── */
.cert-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--navy);
}

/* ── Skills Two-Col ── */
.skills-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.skills-col-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.skill-tag-blue {
  background: var(--blue-light);
  border-color: #bfdbfe;
  color: var(--blue);
}

@media (max-width: 768px) {
  .skills-two-col {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ── Technical Depth Grid ── */
.tech-depth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 16px;
  margin-bottom: 8px;
}

.tech-depth-item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.tech-depth-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.tech-depth-desc {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .tech-depth-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Card Status Badge ── */
.card-status {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 99px;
  margin-bottom: 10px;
}

.status-shipped {
  background: #dcfce7;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.status-concept {
  background: #fef9c3;
  color: #854d0e;
  border: 1px solid #fde68a;
}

.status-exercise {
  background: var(--bg-alt);
  color: var(--muted);
  border: 1px solid var(--border);
}

.card-featured .status-shipped {
  background: rgba(134,239,172,0.12);
  color: #86efac;
  border: 1px solid rgba(134,239,172,0.2);
}

.card-featured .status-concept {
  background: rgba(253,224,71,0.1);
  color: #fde047;
  border: 1px solid rgba(253,224,71,0.2);
}

.card-featured .status-exercise {
  background: rgba(255,255,255,0.08);
  color: #94a3b8;
  border: 1px solid rgba(255,255,255,0.1);
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ── Footer ── */
footer {
  background: var(--navy);
  color: #94a3b8;
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.85rem;
  color: #94a3b8;
  transition: color var(--transition);
}

.footer-links a:hover { color: #fff; }

.footer-copy {
  font-size: 0.8rem;
  color: #475569;
  margin-top: 32px;
  text-align: center;
}

/* ── Responsive ── */
/* ── Case Studies Page: 2×2+1 ── */
.projects-grid-cases {
  grid-template-columns: repeat(2, 1fr);
}

.projects-grid-cases .card-featured {
  grid-column: span 1;
  flex-direction: column;
}

.projects-grid-cases > *:last-child {
  grid-column: 1 / -1;
  justify-self: center;
  width: calc(50% - 12px);
}

@media (max-width: 768px) {
  .projects-grid-cases {
    grid-template-columns: 1fr;
  }
  .projects-grid-cases > *:last-child {
    grid-column: span 1;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .card-featured {
    grid-column: span 1;
    flex-direction: column;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-sidebar {
    position: static;
  }

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

  .hero { padding: 80px 0 60px; }

  .hero-meta { gap: 24px; }

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

  .nav-links a:not(.btn-nav) { display: none; }
}