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

:root {
  --bg: #0d0d0d;
  --surface: #161616;
  --surface2: #1f1f1f;
  --accent: #6c63ff;
  --accent2: #00d4aa;
  --text: #e8e8e8;
  --muted: #888;
  --border: #2a2a2a;
  --radius: 12px;
  --font: 'Inter', 'Segoe UI', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent2); }

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 64px;
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  background: var(--surface2);
}

/* ── Hero ── */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  background: radial-gradient(ellipse at 50% 0%, rgba(108,99,255,0.15) 0%, transparent 70%);
}

.hero-inner { max-width: 760px; }

.hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 1.5rem;
  color: #fff;
}

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

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: #5a52e0;
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  margin-left: 0.75rem;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ── Sections ── */
section { padding: 5rem 2rem; }

.section-inner { max-width: 960px; margin: 0 auto; }

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #fff;
  margin-bottom: 1rem;
}

.section-sub {
  color: var(--muted);
  font-size: 1rem;
  max-width: 560px;
  margin-bottom: 3rem;
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-photo {
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
}

.about-text p {
  color: var(--muted);
  margin-bottom: 1rem;
  font-size: 0.975rem;
}

/* ── Skills ── */
.skills-section { background: var(--surface); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.skill-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: border-color 0.2s, transform 0.2s;
}

.skill-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.skill-card .skill-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }

/* ── Projects ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.project-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  line-height: 1.3;
}

.project-card p {
  font-size: 0.825rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: auto; padding-top: 0.5rem; }

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(108,99,255,0.15);
  color: var(--accent);
}

.project-link {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent2);
}

/* ── Contact ── */
.contact-section { background: var(--surface); }

.contact-form {
  max-width: 560px;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

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

/* ── CV Page ── */
.cv-page { max-width: 860px; margin: 0 auto; padding: 3rem 2rem; }

.cv-header {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.cv-photo {
  width: 120px;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.cv-header-info h1 { font-size: 1.8rem; font-weight: 800; color: #fff; margin-bottom: 0.25rem; }
.cv-header-info p { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.2rem; }

.cv-section { margin-bottom: 2.5rem; }
.cv-section h2 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.cv-item { margin-bottom: 1.5rem; }
.cv-item h3 { font-size: 1rem; font-weight: 700; color: #fff; }
.cv-item .cv-meta { font-size: 0.85rem; color: var(--accent2); margin-bottom: 0.5rem; }
.cv-item ul { padding-left: 1.25rem; }
.cv-item ul li { font-size: 0.9rem; color: var(--muted); margin-bottom: 0.3rem; }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.cert-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.cert-card .cert-year { font-size: 0.75rem; color: var(--accent2); font-weight: 700; }
.cert-card h4 { font-size: 0.9rem; color: #fff; font-weight: 600; margin: 0.25rem 0; }
.cert-card p { font-size: 0.8rem; color: var(--muted); }

/* ── Pictures Page ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.gallery-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: transform 0.2s, border-color 0.2s;
  cursor: pointer;
}

.gallery-grid img:hover {
  transform: scale(1.02);
  border-color: var(--accent);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .cv-header { flex-direction: column; }
  .hero h1 { font-size: 2rem; }
}

/* ── Badge Belt ── */
.badge-belt {
  padding: 3.5rem 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: visible;
  position: relative;
  z-index: 10;
}

.badge-belt-clip {
  overflow: hidden;
  position: relative;
  padding: 2rem 0; /* room for badge to pop up without clipping */
  margin: -2rem 0; /* cancel out the extra space visually */
}

.badge-belt-clip::before,
.badge-belt-clip::after {
  content: '';
  position: absolute;
  top: 0;
  width: 120px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.badge-belt-clip::before {
  left: 0;
  background: linear-gradient(to right, var(--surface), transparent);
}
.badge-belt-clip::after {
  right: 0;
  background: linear-gradient(to left, var(--surface), transparent);
}


.badge-belt-label {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.badge-track {
  display: flex;
  gap: 2rem;
  width: max-content;
  animation: scroll-belt 35s linear infinite;
}

.badge-track:hover { animation-play-state: paused; }

@keyframes scroll-belt {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  width: 100px;
  text-decoration: none;
  position: relative;
  z-index: 1;
}

.badge-item:hover {
  z-index: 100;
}

.badge-item img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(108,99,255,0.25));
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.25s;
}

.badge-item span {
  font-size: 0.65rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.3;
  max-width: 90px;
  transition: color 0.2s;
}

.badge-item:hover img {
  transform: scale(1.6);
  filter: drop-shadow(0 8px 24px rgba(108,99,255,0.7));
  position: relative;
  z-index: 100;
}

.badge-item:hover span {
  color: var(--text);
}

/* ── Project Belt ── */
.project-belt {
  overflow: visible;
  position: relative;
  z-index: 10;
}

.project-belt-clip {
  overflow: hidden;
  position: relative;
  padding: 1rem 0;
  margin: -1rem 0;
}

.project-belt-clip::before,
.project-belt-clip::after {
  content: '';
  position: absolute;
  top: 0;
  width: 80px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.project-belt-clip::before {
  left: 0;
  background: linear-gradient(to right, var(--bg), transparent);
}
.project-belt-clip::after {
  right: 0;
  background: linear-gradient(to left, var(--bg), transparent);
}

.project-track {
  display: flex;
  gap: 1rem;
  width: max-content;
  animation: scroll-belt 25s linear infinite;
  align-items: center;
}

.project-track:hover { animation-play-state: paused; }

/* Compact pill style for homepage belt */
.proj-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color 0.2s, transform 0.2s;
}

.proj-pill:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.proj-pill-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
}

.proj-pill-tags {
  display: flex;
  gap: 0.3rem;
}

/* ── Skill Belt ── */
.skill-belt {
  overflow: visible;
  position: relative;
}

.skill-belt-clip {
  overflow: hidden;
  position: relative;
  padding: 0.5rem 0;
}

.skill-belt-clip::before,
.skill-belt-clip::after {
  content: '';
  position: absolute;
  top: 0;
  width: 100px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.skill-belt-clip::before {
  left: 0;
  background: linear-gradient(to right, var(--surface), transparent);
}
.skill-belt-clip::after {
  right: 0;
  background: linear-gradient(to left, var(--surface), transparent);
}

.skill-track {
  display: flex;
  gap: 0.75rem;
  width: max-content;
}

.skill-track-left  { animation: scroll-belt 40s linear infinite; }
.skill-track-right { animation: scroll-belt-reverse 40s linear infinite; }

@keyframes scroll-belt-reverse {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.skill-track:hover { animation-play-state: paused; }

.skill-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid var(--border);
  transition: transform 0.2s, border-color 0.2s;
  cursor: default;
}

.skill-pill:hover {
  transform: scale(1.06);
  border-color: var(--accent);
}

.skill-pill.tech {
  background: rgba(108, 99, 255, 0.08);
  color: var(--text);
}

.skill-pill.soft {
  background: rgba(0, 212, 170, 0.08);
  color: var(--text);
  border-color: rgba(0, 212, 170, 0.2);
}

.skill-pill.soft:hover {
  border-color: var(--accent2);
}