@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #16161f;
  --bg-secondary: #1a1a28;
  --bg-card: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.13);
  --border-hover: rgba(255, 255, 255, 0.22);
  --text-primary: #f1f5f9;
  --text-secondary: #b8c5d4;
  --text-muted: #8090a0;
  --accent-indigo: #6366f1;
  --accent-indigo-dim: rgba(99, 102, 241, 0.15);
  --accent-cyan: #22d3ee;
  --accent-cyan-dim: rgba(34, 211, 238, 0.12);
  --accent-purple: #a78bfa;
  --accent-purple-dim: rgba(167, 139, 250, 0.12);
  --accent-amber: #fbbf24;
  --accent-amber-dim: rgba(251, 191, 36, 0.10);
  --accent-green: #34d399;
  --accent-green-dim: rgba(52, 211, 153, 0.10);
  --accent-pink: #f472b6;
  --accent-blue: #60a5fa;
  --radius: 10px;
  --radius-sm: 6px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

/* Scroll-reveal is a progressive enhancement. The hidden initial state only
   applies when JS is present to reveal sections (the `.js` flag is set in
   <head>). Without JS — scrapers, reader modes, no-script users — content
   renders fully visible instead of being stuck at opacity: 0. */
.js section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent-indigo);
  margin-bottom: 10px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 40px;
}

/* NAV */
#nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 60px;
}

.nav-logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--accent-indigo);
  letter-spacing: -0.5px;
  margin-right: auto;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.btn-sm { padding: 6px 14px; font-size: 12px; }

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

.btn-primary:hover { background: #4f52d8; border-color: #4f52d8; }

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-outline:hover { border-color: var(--border-hover); color: var(--text-primary); }

#nav .btn {
  background: var(--accent-indigo-dim);
  color: var(--accent-indigo);
  border-color: rgba(99, 102, 241, 0.3);
  white-space: nowrap;
}

#nav .btn:hover { background: rgba(99, 102, 241, 0.25); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: background var(--transition);
}

.nav-hamburger:hover span { background: var(--text-primary); }
.nav-hamburger:focus-visible { outline: 2px solid var(--accent-indigo); outline-offset: 4px; border-radius: 4px; }

.nav-links a:focus-visible { outline: 2px solid var(--accent-indigo); outline-offset: 2px; border-radius: 2px; }

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.97);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 12px 24px; font-size: 14px; }
}

/* HERO */
#hero {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-glow {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-chip {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-indigo);
  background: var(--accent-indigo-dim);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 20px;
  letter-spacing: 0.3px;
}

.hero-name {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-stats {
  display: flex;
  gap: 36px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-stat-num {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1;
}

.hero-stat-lbl {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.3px;
}

.hero-ctas {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .hero-stats { gap: 24px; }
  .hero-stat-num { font-size: 20px; }
  .hero-ctas .btn { font-size: 13px; padding: 8px 14px; }
}

/* EXPERIENCE */
#experience { background: var(--bg-secondary); }

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  display: flex;
  gap: 20px;
  position: relative;
  padding-bottom: 32px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
  position: absolute;
  left: -20px;
  box-shadow: 0 0 0 3px var(--bg-secondary);
}

.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  flex: 1;
  transition: border-color var(--transition);
}

.exp-card:hover { border-color: var(--border-hover); }

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

.exp-role {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.exp-org {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 3px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.exp-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.exp-period {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.exp-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.exp-badge-live {
  background: rgba(52, 211, 153, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(52, 211, 153, 0.25);
}

.exp-bullets {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
  padding-left: 16px;
}

.exp-bullets li {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.65;
  list-style: disc;
}

.exp-bullets li strong { color: var(--text-primary); font-weight: 600; }

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
}

/* PROJECTS */
#projects { background: var(--bg-primary); }

.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.filter-btn:hover { border-color: var(--border-hover); color: var(--text-secondary); }

.filter-btn.active {
  background: var(--accent-indigo-dim);
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--accent-indigo);
}

.projects-featured {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.proj-card, .proj-card-sm {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}

.proj-card:hover, .proj-card-sm:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.proj-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.proj-badges { display: flex; gap: 6px; flex-wrap: wrap; }

.proj-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.proj-badge-ai      { background: var(--accent-purple-dim); color: var(--accent-purple); border: 1px solid rgba(167,139,250,0.25); }
.proj-badge-prod    { background: var(--accent-green-dim);  color: var(--accent-green);  border: 1px solid rgba(52,211,153,0.25); }
.proj-badge-wip     { background: var(--accent-amber-dim);  color: var(--accent-amber);  border: 1px solid rgba(251,191,36,0.25); }
.proj-badge-multi   { background: rgba(96,165,250,0.10);    color: var(--accent-blue);   border: 1px solid rgba(96,165,250,0.25); }
.proj-badge-research{ background: rgba(244,114,182,0.10);   color: var(--accent-pink);   border: 1px solid rgba(244,114,182,0.25); }
.proj-badge-fyp     { background: var(--accent-indigo-dim); color: var(--accent-indigo); border: 1px solid rgba(99,102,241,0.25); }

.proj-link {
  font-size: 11px;
  color: var(--accent-cyan);
  font-weight: 500;
  transition: color var(--transition);
  white-space: nowrap;
}
.proj-link:hover { color: #fff; }
.proj-link-na { font-size: 11px; color: var(--text-muted); }

.proj-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.proj-title-sm {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.proj-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 12px;
  flex: 1;
}

.proj-desc-sm {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.proj-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}

.proj-highlight {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-purple);
  background: var(--accent-purple-dim);
  border: 1px solid rgba(167,139,250,0.2);
  padding: 2px 8px;
  border-radius: 4px;
}

@media (max-width: 900px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .projects-featured { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
}

/* SKILLS */
#skills { background: var(--bg-secondary); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skills-group-wide { grid-column: 1 / -1; }

.skills-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.skills-group-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.skills-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-chip {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--chip-bg, rgba(255,255,255,0.05));
  color: var(--chip-color, var(--text-secondary));
  border: 1px solid rgba(255,255,255,0.12);
  transition: border-color var(--transition);
}

.skill-chip:hover { border-color: var(--chip-color, var(--border-hover)); }

@media (max-width: 900px) { .skills-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .skills-grid { grid-template-columns: 1fr; } }

/* ACHIEVEMENTS */
#achievements { background: var(--bg-primary); }

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

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

.achievement-gold {
  border-color: rgba(251, 191, 36, 0.2);
  background: linear-gradient(135deg, rgba(251,191,36,0.05) 0%, var(--bg-card) 60%);
}

.achievement-silver {
  border-color: rgba(148, 163, 184, 0.2);
  background: linear-gradient(135deg, rgba(148,163,184,0.05) 0%, var(--bg-card) 60%);
}

.achievement-dean {
  border-color: rgba(167, 139, 250, 0.2);
  background: linear-gradient(135deg, rgba(167,139,250,0.05) 0%, var(--bg-card) 60%);
}

.achievement-cert {
  border-color: rgba(34, 211, 238, 0.2);
  background: linear-gradient(135deg, rgba(34,211,238,0.05) 0%, var(--bg-card) 60%);
}

.achievement-rank {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-amber);
  line-height: 1;
  letter-spacing: -1px;
}

.achievement-rank-sub {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-amber);
  letter-spacing: 0;
}

.achievement-silver .achievement-rank { color: var(--text-secondary); }

.achievement-icon {
  font-size: 28px;
  line-height: 1;
}

.achievement-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.achievement-detail {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.achievement-has-photo { padding-right: 122px; }

.achievement-photo {
  width: 90px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 16px;
  opacity: 0.7;
  border: 1px solid var(--border);
}

.achievement-card:nth-child(4) { grid-column: 2; }

@media (max-width: 900px) { .achievements-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .achievements-grid { grid-template-columns: 1fr; } }

/* CERTIFICATIONS */
#certifications { background: var(--bg-secondary); }

.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--transition), transform var(--transition);
}

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

.cert-issuer {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.cert-name {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.cert-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.cert-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

@media (max-width: 600px) { .certs-grid { grid-template-columns: 1fr; } }

/* EDUCATION */
#education { background: var(--bg-primary); }

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.edu-degree {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.edu-uni {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-pink);
  margin-bottom: 4px;
}

.edu-period {
  font-size: 12px;
  color: var(--text-muted);
}

.edu-gpa {
  text-align: right;
  flex-shrink: 0;
}

.edu-gpa-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-indigo);
  line-height: 1;
  letter-spacing: -1px;
}

.edu-gpa-lbl {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.edu-courses-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* CONTACT */
#contact { background: var(--bg-secondary); }

.contact-sub {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 460px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 600px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.contact-link:hover {
  border-color: var(--accent-indigo);
  transform: translateX(4px);
}

.contact-link-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-indigo-dim);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-indigo);
  flex-shrink: 0;
}

.contact-link-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-link-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-link-val {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.contact-link:hover .contact-link-val { color: var(--text-primary); }

/* FOOTER */
footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
}

.nav-links a.active { color: var(--text-primary); }

@media (prefers-reduced-motion: reduce) {
  /* Show sections immediately — don't gate content behind a motion effect. */
  .js section { opacity: 1; transform: none; transition: none; }
  .proj-card:hover, .proj-card-sm:hover, .achievement-card:hover, .contact-link:hover { transform: none; }
}

/* ===================================================================
   RESPONSIVE OVERRIDES
   =================================================================== */

/* 768px: tablet + mobile — supplement existing nav rules */
@media (max-width: 768px) {
  section { padding: 60px 0; }
  .section-title { font-size: 24px; margin-bottom: 28px; }
  .nav-inner { gap: 16px; }
  #hero { padding: 60px 0; min-height: auto; }
}

/* 600px: supplement existing grid switches */
@media (max-width: 600px) {
  /* Fix: nth-child grid-column rules create an implicit 2nd column in 1-col grid */
  .achievement-card:nth-child(4) { grid-column: auto; }

  /* Education header: stack vertically so GPA doesn't float right on narrow screens */
  .edu-header { flex-direction: column; }
  .edu-gpa { text-align: left; }
}

/* 480px: standard smartphones (375–414px) */
@media (max-width: 480px) {
  section { padding: 48px 0; }
  .container { padding: 0 16px; }
  .section-title { font-size: 20px; margin-bottom: 20px; }

  /* Hero */
  #hero { padding: 48px 0; }
  .hero-chip { font-size: 11px; padding: 4px 12px; }
  .hero-sub { font-size: 15px; margin-bottom: 28px; }
  .hero-stats { gap: 14px; margin-bottom: 28px; }
  .hero-stat-num { font-size: 17px; }
  .hero-stat-lbl { font-size: 10px; }

  /* Experience */
  .timeline { padding-left: 18px; }
  .exp-card { padding: 14px 16px; }
  .exp-role { font-size: 14px; }
  .exp-meta { font-size: 11px; }
  .exp-bullets { padding-left: 14px; }
  .exp-bullets li { font-size: 13px; }

  /* Projects */
  .filter-tabs { gap: 6px; }
  .filter-btn { padding: 5px 12px; font-size: 11px; }

  /* Achievements */
  .achievement-rank { font-size: 28px; }
  .achievement-title { font-size: 13px; }
  .achievement-has-photo { padding-right: 96px; }
  .achievement-photo { width: 72px; height: 72px; }

  /* Education */
  .edu-card { padding: 20px; }
  .edu-degree { font-size: 15px; }
  .edu-gpa-num { font-size: 26px; }

  /* Contact */
  .contact-links { max-width: 100%; }
  .contact-link { padding: 12px 14px; gap: 10px; }
  .contact-link-val { font-size: 12px; }

  /* Footer */
  .footer-inner { flex-direction: column; align-items: center; text-align: center; gap: 4px; }
}

/* 360px: compact phones */
@media (max-width: 360px) {
  .container { padding: 0 12px; }
  .hero-stats { gap: 10px; }
  .hero-stat-num { font-size: 15px; }
  .exp-card { padding: 12px 14px; }
  .btn { padding: 7px 12px; font-size: 12px; }
}

/* ===================================================================
   PRINT — make the whole page printable on paper / as a PDF.
   The scroll-reveal leaves off-screen sections at opacity: 0, so they
   print blank; here we force everything visible and swap the dark
   theme for an ink-friendly light one.
   =================================================================== */
@media print {
  /* Re-point the theme tokens to a light, readable palette. Inline
     styles that reference these vars (hero stats, chips) pick this up
     automatically, so accents become dark enough to read on white. */
  :root {
    --bg-primary: #ffffff;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --border: #cccccc;
    --border-hover: #cccccc;
    --text-primary: #111111;
    --text-secondary: #333333;
    --text-muted: #555555;
    --accent-indigo: #4338ca;  --accent-indigo-dim: transparent;
    --accent-cyan: #0e7490;    --accent-cyan-dim: transparent;
    --accent-purple: #6d28d9;  --accent-purple-dim: transparent;
    --accent-amber: #b45309;   --accent-amber-dim: transparent;
    --accent-green: #047857;   --accent-green-dim: transparent;
    --accent-blue: #1d4ed8;
    --accent-pink: #be185d;
  }

  html { scroll-behavior: auto; }
  body { background: #fff; color: #111; }

  /* Reveal every section regardless of scroll/JS state. */
  section,
  .js section,
  .js section.visible {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  section { padding: 20px 0; }
  #hero { min-height: auto; padding: 0 0 16px; }
  #hero::before { display: none !important; }
  .container { max-width: 100%; padding: 0; }

  /* Drop interactive / decorative chrome that has no meaning on paper. */
  #nav,
  .nav-hamburger,
  .hero-glow,
  .filter-tabs,
  .hero-ctas { display: none !important; }

  /* Keep cards whole across page breaks and flatten dark-theme surfaces. */
  .exp-card,
  .proj-card,
  .proj-card-sm,
  .achievement-card,
  .cert-card,
  .edu-card,
  .contact-link {
    break-inside: avoid;
    page-break-inside: avoid;
    background: #fff !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }

  h1, h2, h3, h4 { page-break-after: avoid; }

  /* Tags / chips / badges: outlined instead of tinted so they survive
     grayscale printing. */
  .tag,
  .skill-chip,
  .proj-highlight,
  .proj-badge {
    background: #fff !important;
    border: 1px solid #bbb !important;
    color: #222 !important;
  }

  /* Don't print color-on-color shadows or the achievement photo borders heavy. */
  * { box-shadow: none !important; }
}
