/* ===========================
   RESET & BASE
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0f1e;
  --bg-dark: #060b17;
  --bg-card: #111827;
  --bg-card-hover: #1a2236;
  --accent: #38bdf8;
  --accent2: #818cf8;
  --accent3: #34d399;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --border: #1e2d45;
  --tag-blue: #0ea5e9;
  --tag-orange: #f97316;
  --tag-red: #ef4444;
  --tag-purple: #a78bfa;
  --tag-green: #22c55e;
  --tag-teal: #14b8a6;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ===========================
   NAV
=========================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(6, 11, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
#navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.5); }

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--accent);
  letter-spacing: 1px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

.nav-cta {
  background: var(--accent) !important;
  color: var(--bg-dark) !important;
  padding: 0.45rem 1.1rem;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: opacity 0.2s !important;
}
.nav-cta:hover { opacity: 0.85; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s;
}

/* ===========================
   HERO
=========================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(56,189,248,0.08) 0%, transparent 70%),
              radial-gradient(ellipse at 80% 20%, rgba(129,140,248,0.07) 0%, transparent 60%);
}

#particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 5rem 2rem 5rem;
}

.hero-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  padding: 3px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 40px rgba(56,189,248,0.25);
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid var(--bg-dark);
  display: block;
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero-name {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 60%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.hero-titles {
  font-family: 'Fira Code', monospace;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--accent3);
  min-height: 2em;
  margin-bottom: 1.5rem;
}

.cursor {
  animation: blink 1s infinite;
  color: var(--accent);
}
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0; } }

.hero-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.25s;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(56,189,248,0.3); }

.btn-resume {
  background: linear-gradient(135deg, var(--accent3), #0ea5e9);
}

.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===========================
   SECTIONS
=========================== */
.section { padding: 6rem 0; }
.section-dark { background: var(--bg-dark); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 2px;
  margin-top: 0.5rem;
}

.section-sub {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

/* ===========================
   ABOUT
=========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: 2rem;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  font-size: 1rem;
}
.about-text strong { color: var(--text); }

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.25);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}
.stat-card:hover { transform: translateY(-4px); border-color: var(--accent); }

.stat-num {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-weight: 500;
}

/* ===========================
   TIMELINE (EXPERIENCE)
=========================== */
.timeline {
  position: relative;
  margin-top: 2rem;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-dot {
  position: absolute;
  left: -2.4rem;
  top: 1.5rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-dark);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.25);
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  transition: border-color 0.2s, transform 0.2s;
}
.timeline-card:hover { border-color: var(--accent); transform: translateX(4px); }

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-header h3 { font-size: 1.15rem; font-weight: 700; }

.company {
  display: block;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 0.2rem;
}

.timeline-date {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: 'Fira Code', monospace;
  white-space: nowrap;
}

.timeline-bullets {
  list-style: none;
  margin-bottom: 1rem;
}
.timeline-bullets li {
  color: var(--text-muted);
  font-size: 0.95rem;
  padding: 0.25rem 0;
  padding-left: 1.2rem;
  position: relative;
}
.timeline-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ===========================
   TAGS
=========================== */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.tag-blue   { background: rgba(14,165,233,0.1); color: #38bdf8; border-color: rgba(14,165,233,0.25); }
.tag-orange { background: rgba(249,115,22,0.1); color: #fb923c; border-color: rgba(249,115,22,0.25); }
.tag-red    { background: rgba(239,68,68,0.1);  color: #f87171; border-color: rgba(239,68,68,0.25); }
.tag-purple { background: rgba(167,139,250,0.1); color: #a78bfa; border-color: rgba(167,139,250,0.25); }
.tag-green  { background: rgba(34,197,94,0.1);  color: #4ade80; border-color: rgba(34,197,94,0.25); }
.tag-teal   { background: rgba(20,184,166,0.1); color: #2dd4bf; border-color: rgba(20,184,166,0.25); }

/* ===========================
   PROJECTS
=========================== */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--accent);
  color: var(--bg-dark);
  border-color: var(--accent);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  background: var(--bg-card-hover);
}
.project-card.hidden { display: none; }

/* ---- Featured / Spotlight Card ---- */
.project-card.featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #071e33 0%, #0a2240 50%, #06192e 100%);
  border: 1.5px solid transparent;
  background-clip: padding-box;
  position: relative;
  overflow: hidden;
}
.project-card.featured::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1.5px;
  background: linear-gradient(135deg, #38bdf8, #818cf8, #34d399);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.project-card.featured::after {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(56,189,248,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.project-card.featured:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 40px rgba(56,189,248,0.2);
}
.featured-inner {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
}
@media (max-width: 700px) {
  .featured-inner { flex-direction: column; gap: 1.5rem; }
}
.featured-badge-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(90deg, rgba(56,189,248,0.2), rgba(129,140,248,0.2));
  border: 1px solid rgba(56,189,248,0.4);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
}
.snowflake-badge {
  background: linear-gradient(90deg, rgba(41,182,246,0.18), rgba(56,189,248,0.12));
  border-color: rgba(41,182,246,0.45);
  color: #29b6f6;
}
.featured-left {
  flex: 1;
  min-width: 0;
}
.featured-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1.25rem;
  flex-shrink: 0;
}

/* Snowflake stats panel */
.sf-visual {
  width: 200px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,61,92,0.5) 0%, rgba(41,182,246,0.1) 100%);
  border: 1px solid rgba(41,182,246,0.3);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.sf-icon {
  font-size: 2rem;
  color: #29b6f6;
  filter: drop-shadow(0 0 10px rgba(41,182,246,0.5));
}
.sf-stats {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  width: 100%;
}
.sf-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid rgba(41,182,246,0.12);
  padding-bottom: 0.4rem;
}
.sf-stat:last-child { border-bottom: none; padding-bottom: 0; }
.sf-num {
  font-family: 'Fira Code', monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: #29b6f6;
}
.sf-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}
@media (max-width: 700px) {
  .featured-right { align-items: flex-start; }
  .sf-visual { width: 100%; flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .sf-stats { flex-direction: row; flex-wrap: wrap; gap: 0.75rem; }
  .sf-stat { border-bottom: none; flex-direction: column; align-items: center; min-width: 70px; }
}
.btn-live {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  color: #0a0f1e;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-live:hover {
  opacity: 0.9;
  transform: scale(1.04);
  box-shadow: 0 4px 20px rgba(56,189,248,0.35);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.project-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(56,189,248,0.15), rgba(129,140,248,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent);
}

.project-links a {
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: color 0.2s;
}
.project-links a:hover { color: var(--accent); }

.project-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1rem;
}

.project-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.5rem;
}
.project-highlights span {
  font-size: 0.8rem;
  color: var(--accent3);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.project-highlights i { font-size: 0.75rem; }

/* ===========================
   SKILLS
=========================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s;
}
.skill-category:hover { border-color: var(--accent); }

.skill-category h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.3rem 0.85rem;
  border-radius: 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.2s;
}
.pill:hover {
  background: rgba(56,189,248,0.1);
  color: var(--accent);
  border-color: rgba(56,189,248,0.3);
}


/* ===========================
   EDUCATION
=========================== */
.edu-cards {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  transition: border-color 0.2s;
}
.edu-card:hover { border-color: var(--accent); }

.edu-icon {
  font-size: 2.2rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.edu-body { flex: 1; }
.edu-body h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.3rem; }

.edu-school {
  display: block;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.edu-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}
.edu-meta span {
  font-size: 0.85rem;
  color: var(--accent3);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

.edu-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.edu-activities {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.badge-sm {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.85rem;
  border-radius: 20px;
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.2);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 500;
}

/* Awards */
.awards-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 2rem;
}

.award-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.75rem;
  flex: 1;
  min-width: 220px;
  transition: border-color 0.2s, transform 0.2s;
}
.award-card:hover { border-color: #f59e0b; transform: translateY(-3px); }
.award-card > i { font-size: 1.8rem; color: #f59e0b; flex-shrink: 0; }
.award-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.2rem; }
.award-card span { font-size: 0.8rem; color: var(--text-muted); }

/* SnowPro logo in hero */
.hero-cert {
  margin-bottom: 1.25rem;
  margin-top: -0.5rem;
}
.snowpro-logo {
  height: 80px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(41,182,246,0.45));
  transition: filter 0.25s, transform 0.25s;
}
.snowpro-logo:hover {
  filter: drop-shadow(0 0 18px rgba(41,182,246,0.75));
  transform: scale(1.05);
}

/* Featured cert card */
.cert-card-featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(0,96,155,0.25) 0%, rgba(41,182,246,0.12) 100%);
  border: 1.5px solid rgba(41,182,246,0.45) !important;
  box-shadow: 0 0 24px rgba(41,182,246,0.15);
}
.cert-card-featured:hover {
  border-color: rgba(41,182,246,0.8) !important;
  box-shadow: 0 0 32px rgba(41,182,246,0.3);
  transform: translateY(-2px);
}
.cert-snowflake-featured {
  width: 56px;
  height: 56px;
  background: rgba(41,182,246,0.2);
  color: #29b6f6;
  font-size: 1.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 14px rgba(41,182,246,0.35);
}
.cert-new-badge {
  background: linear-gradient(135deg, #29b6f6, #818cf8);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-family: 'Fira Code', monospace;
}

/* ===========================
   CERTIFICATIONS
=========================== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.cert-card:hover { border-color: var(--accent2); transform: translateY(-2px); }

.cert-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.cert-google  { background: rgba(66,133,244,0.15); color: #4285f4; }
.cert-coursera{ background: rgba(0,86,210,0.15);   color: #0056d2; }
.cert-snowflake{ background: rgba(41,182,246,0.15); color: #29b6f6; }
.cert-aws     { background: rgba(255,153,0,0.15);  color: #ff9900; }
.cert-python  { background: rgba(55,118,171,0.15); color: #3776ab; }
.cert-istqb   { background: rgba(52,211,153,0.15); color: #34d399; }

.cert-card h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.15rem; }
.cert-issuer  { display: block; font-size: 0.78rem; color: var(--text-muted); }
.cert-date    { display: block; font-size: 0.75rem; color: var(--accent3); margin-top: 0.1rem; font-family: 'Fira Code', monospace; }

/* Clickable cert cards */
a.cert-card { text-decoration: none; cursor: pointer; }
a.cert-card:hover { border-color: var(--accent); }

/* Clickable award cards */
a.award-card { text-decoration: none; cursor: pointer; }
a.award-card > i { color: #ef4444; }

/* Inline link inside bullet points */
.inline-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.inline-link:hover { color: var(--accent3); }

/* SCU Spotlight badge link */
.badge-sm-link {
  text-decoration: none;
  background: rgba(239,68,68,0.1);
  border-color: rgba(239,68,68,0.25);
  color: #f87171;
  transition: background 0.2s, color 0.2s;
}
.badge-sm-link:hover { background: rgba(239,68,68,0.2); color: #fca5a5; }

/* Activities */
.activities-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.activity-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.activity-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: all 0.2s;
}
.activity-card:hover { border-color: var(--accent); color: var(--text); }
.activity-card i { color: var(--accent); font-size: 1rem; }

/* ===========================
   CONTACT
=========================== */
.contact-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  text-align: center;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

#contact .section-title { display: block; text-align: center; }
#contact .section-title::after { margin: 0.5rem auto 0; }

.contact-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
  min-width: 200px;
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.contact-card i { font-size: 2rem; color: var(--accent); }
.contact-card span { font-size: 1rem; font-weight: 700; }
.contact-card small { font-size: 0.8rem; color: var(--text-muted); }

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

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .cert-grid { grid-template-columns: 1fr; }
  .awards-row { flex-direction: column; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--bg-dark);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .about-stats { grid-template-columns: 1fr; }
  .contact-card { min-width: 100%; }
}

/* ===========================
   SCROLL ANIMATIONS
=========================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}