/* ================================================================
   styles.css — Federico Favia Portfolio
   Shared stylesheet for index.html and about.html
   ================================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
 
:root {
  --bg: #090c10;
  --bg2: #0e1318;
  --bg3: #141b22;
  --accent: #00e5ff;
  --accent2: #7c3aed;
  --accent3: #f59e0b;
  --text: #e2e8f0;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --border: rgba(255,255,255,0.07);
  --card: #0d1117;
  --font-display: 'Syne', sans-serif;
  --font-mono: 'Space Mono', monospace;
}
 
html { scroll-behavior: smooth; }
 
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  overflow-x: hidden;
}
 
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }
 
/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 3rem;
  background: rgba(9,12,16,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-socials { display: flex; gap: 1rem; }
.nav-socials a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  transition: color 0.2s;
}
.nav-socials a:hover { color: var(--accent); }
 
/* ─── HERO ─── */
#hero {
  min-height: 30vh;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 8rem 3rem 4rem;
  position: relative;
  overflow: hidden;
  gap: 4rem;
}
.hero-text { display: flex; flex-direction: column; }
.hero-photo {
  width: 360px;
  height: 380px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  opacity: 0;
  animation: fadeUp 0.9s 0.9s forwards;
}
.hero-photo::before {
  content: '';
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to bottom, transparent 55%, rgba(9,12,16,0.75));
  pointer-events: none;
}
.hero-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.hero-photo-label {
  position: absolute;
  bottom: 1rem; left: 1rem; z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.6);
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,255,0.06) 0%, transparent 70%);
  top: 10%; right: -100px;
  pointer-events: none;
  animation: pulse-glow 6s ease-in-out infinite;
}
.hero-glow2 {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.06) 0%, transparent 70%);
  bottom: 10%; left: -80px;
  pointer-events: none;
  animation: pulse-glow 8s ease-in-out infinite reverse;
}
@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  opacity: 0; animation: fadeUp 0.8s 0.2s forwards;
}
.hero-eyebrow::before {
  content: '▸ ';
}
.hero-name {
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  opacity: 0; animation: fadeUp 0.8s 0.35s forwards;
}
.hero-name span { color: var(--accent); }
.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.5vw, 1.1rem);
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin-bottom: 2.5rem;
  opacity: 0; animation: fadeUp 0.8s 0.5s forwards;
}
.hero-desc {
  max-width: 1050px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 3rem;
  opacity: 0; animation: fadeUp 0.8s 0.65s forwards;
}
.hero-ctas {
  display: flex; gap: 1rem; flex-wrap: wrap;
  opacity: 0; animation: fadeUp 0.8s 0.8s forwards;
}
.skills-icons {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.skills-icons img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: grayscale(100%) brightness(1.2);
  opacity: 0.8;
  transition: all 0.2s ease;
}
.skills-icons img:hover {
  filter: none;
  opacity: 1;
  transform: scale(1.1);
}
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 3px;
  transition: all 0.2s;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
}
.btn-primary:hover { background: transparent; color: var(--accent); }
.btn-outline {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.hero-scroll-indicator {
  position: absolute; bottom: 2rem; left: 3rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 0.75rem;
  opacity: 0; animation: fadeUp 0.8s 1.1s forwards;
}
.scroll-line {
  width: 40px; height: 1px;
  background: var(--text-muted);
  animation: expand-line 2s 1.5s ease-out forwards;
  transform-origin: left;
  transform: scaleX(0);
}
@keyframes expand-line { to { transform: scaleX(1); } }
 
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
 
/* ─── PAGE HEADER ─── */
.page-header {
  padding: 9rem 3rem 4rem;
  position: relative;
  overflow: hidden;
}
.header-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.header-glow {
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.07) 0%, transparent 70%);
  top: -100px; right: -50px;
  pointer-events: none;
}
.page-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  opacity: 0; animation: fadeUp 0.7s 0.2s forwards;
}
.page-eyebrow::before { content: '▸ '; }
.page-title {
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  opacity: 0; animation: fadeUp 0.7s 0.35s forwards;
}
.page-title span { color: var(--accent); }
.page-subtitle {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 500px;
  line-height: 1.7;
  opacity: 0; animation: fadeUp 0.7s 0.5s forwards;
}
 
 
.divider { height: 1px; background: var(--border); margin: 0 3rem; }
 
/* ─── ABOUT BODY ─── */
.about-section { padding: 5rem 3rem; }
.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 5rem;
  align-items: start;
}
.about-sidebar { position: sticky; top: 5rem; }
.profile-frame {
  width: 100%;
  aspect-ratio: 1 / 1.1;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  overflow: hidden;
  position: relative;
}
.profile-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.profile-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(9,12,16,0.7));
  z-index: 1;
  pointer-events: none;
}
.profile-placeholder {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}
.sidebar-item {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.si-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.si-value {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}
.sidebar-ctas { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 3px;
  transition: all 0.2s;
  text-align: center;
}
.btn-primary { background: var(--accent); color: var(--bg); border: 1px solid var(--accent); }
.btn-primary:hover { background: transparent; color: var(--accent); }
.btn-outline { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
 
/* ─── BIO ─── */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
  margin-bottom: 3.5rem;
}
.bio-cv-image {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  position: sticky;
  top: 5.5rem;
}
.bio-cv-image img {
  width: 100%; height: auto;
  display: block;
  opacity: 0.9;
}
.bio-cv-image-placeholder {
  width: 100%;
  height: 260px;
  background: var(--bg3);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem;
  background: linear-gradient(135deg, rgba(0,229,255,0.06) 0%, rgba(124,58,237,0.06) 100%);
}
.bio-cv-image-placeholder svg { opacity: 0.3; }
.bio-cv-image-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  padding: 0.75rem;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg2);
}
.bio-block {
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--text-dim);
}
.bio-block b { color: var(--text); font-weight: 600; }
.bio-block a { color: var(--accent); text-decoration: none; }
.bio-block a:hover { opacity: 0.8; }
 
/* ─── BIO COLLAPSIBLE ─── */
.bio-collapsed { display: none; }
.bio-teaser { margin-bottom: 0; }
.bio-expanded .bio-teaser { margin-bottom: 0; }
.bio-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.2s;
}
.bio-toggle:hover { opacity: 0.7; }
.bio-toggle-arrow {
  display: inline-block;
  transition: transform 0.3s ease;
}
.bio-toggle.open .bio-toggle-arrow { transform: rotate(180deg); }
.bio-collapsed {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.35s ease;
}
.bio-collapsed.open {
  display: block;
  max-height: 600px;
  opacity: 1;
}
 
/* ─── SKILLS ─── */
.block-title {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.block-title::before { content: '//'; opacity: 0.4; }
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}
.skill-item {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  transition: border-color 0.2s;
}
.skill-item:hover { border-color: rgba(0,229,255,0.2); }
.skill-name {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.bar-track {
  height: 2px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform-origin: left;
  animation: fillBar 1.1s ease-out forwards;
  transform: scaleX(0);
  width: var(--w, 1);
}
@keyframes fillBar { to { transform: scaleX(var(--w, 1)); } }
.skill-item:nth-child(1) .bar-fill { animation-delay: 0.05s; }
.skill-item:nth-child(2) .bar-fill { animation-delay: 0.1s; }
.skill-item:nth-child(3) .bar-fill { animation-delay: 0.15s; }
.skill-item:nth-child(4) .bar-fill { animation-delay: 0.2s; }
.skill-item:nth-child(5) .bar-fill { animation-delay: 0.25s; }
.skill-item:nth-child(6) .bar-fill { animation-delay: 0.3s; }
.skill-item:nth-child(7) .bar-fill { animation-delay: 0.35s; }
.skill-item:nth-child(8) .bar-fill { animation-delay: 0.4s; }
.skill-item:nth-child(9) .bar-fill { animation-delay: 0.45s; }
.skill-item:nth-child(10) .bar-fill { animation-delay: 0.5s; }
.skill-item:nth-child(11) .bar-fill { animation-delay: 0.55s; }
.skill-item:nth-child(12) .bar-fill { animation-delay: 0.6s; }
 
/* ─── LANGUAGES ─── */
.langs-row {
  display: flex; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 3.5rem;
}
.lang-card {
  flex: 1; min-width: 200px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.lang-flag img {
  width: 32px;
  height: 24px;
  border-radius: 2px;
  object-fit: cover;
  opacity: 0.85;
}
.lang-name { font-size: 1rem; font-weight: 700; margin-bottom: 0.35rem; }
.lang-level {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
 
/* ─── CERTIFICATES ─── */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}
.cert-item {
  display: flex; align-items: center; gap: 0.6rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.65rem 0.9rem;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
}
.cert-item:hover { border-color: rgba(0,229,255,0.25); transform: translateX(2px); }
.cert-arrow {
  color: var(--accent);
  font-size: 0.7rem;
  flex-shrink: 0;
}
.cert-text {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.3;
}

/* ─── HONORS & ACHIEVEMENTS ─── */
.honors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}
.honor-card {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.1rem;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
}
.honor-card:hover { transform: translateX(2px); }
.honor-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
  line-height: 1;
}
.honor-body { flex: 1; }
.honor-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 0.25rem;
}
.honor-meta {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.honor-desc {
  font-size: 0.73rem;
  color: var(--text-muted);
  line-height: 1.55;
}
/* amber = academic */
.honor-card.amber { border-color: rgba(245,158,11,0.12); }
.honor-card.amber:hover { border-color: rgba(245,158,11,0.3); }
.honor-card.amber .honor-meta { color: var(--accent3); }
/* violet = competitive programs */
.honor-card.violet { border-color: rgba(124,58,237,0.12); }
.honor-card.violet:hover { border-color: rgba(124,58,237,0.3); }
.honor-card.violet .honor-meta { color: #a78bfa; }
/* cyan = industry/professional */
.honor-card.cyan { border-color: rgba(0,229,255,0.1); }
.honor-card.cyan:hover { border-color: rgba(0,229,255,0.3); }
.honor-card.cyan .honor-meta { color: var(--accent); }

/* ─── CERT GROUPS ─── */
.cert-group { margin-bottom: 2.5rem; }
.cert-group-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.cert-group-label::before { content: '//'; opacity: 0.4; }
.cert-group-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}
.cert-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.65rem 0.9rem;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
}
.cert-item:hover { border-color: rgba(0,229,255,0.25); transform: translateX(2px); }
.cert-arrow { color: var(--accent); font-size: 0.7rem; flex-shrink: 0; }
.cert-text { font-size: 0.75rem; color: var(--text-dim); line-height: 1.3; flex: 1; }
.cert-vendor {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.18rem 0.45rem;
  border-radius: 2px;
  flex-shrink: 0;
  white-space: nowrap;
}
.cv-azure  { background: rgba(0,120,212,0.12); color: #60a5fa; border: 1px solid rgba(0,120,212,0.2); }
.cv-oracle { background: rgba(245,158,11,0.1);  color: #fbbf24; border: 1px solid rgba(245,158,11,0.2); }
.cv-nvidia { background: rgba(118,185,0,0.1);   color: #86efac; border: 1px solid rgba(118,185,0,0.2); }
.cv-soi    { background: rgba(245,100,120,0.1); color: #fca5a5; border: 1px solid rgba(245,100,120,0.2); }
.cv-speex   { background: rgba(0,229,255,0.08);  color: var(--accent); border: 1px solid rgba(0,229,255,0.15); }
  
/* ─── COMPACT HONORS ─── */
.honors-grid-compact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 3.5rem;
}
.honor-mini {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.75rem 0.9rem;
}
.honor-mini-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}
.honor-mini-dot.amber  { background: var(--accent3); box-shadow: 0 0 6px rgba(245,158,11,0.4); }
.honor-mini-dot.violet { background: #a78bfa;        box-shadow: 0 0 6px rgba(167,139,250,0.4); }
.honor-mini-dot.cyan   { background: var(--accent);  box-shadow: 0 0 6px rgba(0,229,255,0.35); }
.honor-mini-body { flex: 1; }
.honor-mini-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 0.15rem;
}
.honor-mini-meta {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
.honor-mini-meta.amber  { color: var(--accent3); }
.honor-mini-meta.violet { color: #a78bfa; }
.honor-mini-meta.cyan   { color: var(--accent); }
.honor-mini-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.5;
}
  
/* ─── CONTACT FORM ─── */
.contact-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.contact-info-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.contact-info-value {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}
.contact-info-value a { color: var(--accent); text-decoration: none; }
.contact-info-value a:hover { opacity: 0.8; }
.contact-tagline {
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--text);
}
.contact-tagline span { color: var(--accent); }
  
.contact-form { display: flex; flex-direction: column; gap: 0.85rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.form-field { display: flex; flex-direction: column; gap: 0.35rem; }
.form-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-input, .form-select, .form-textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--text);
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: rgba(0,229,255,0.35);
  background: var(--bg2);
}
.form-select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.2rem;
}
.form-select option { background: var(--bg2); color: var(--text); }
.form-textarea { resize: vertical; min-height: 110px; line-height: 1.65; }
.form-submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.25rem;
}
.form-note {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}
.form-status {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  padding: 0.5rem 0;
  display: none;
}
.form-status.success { color: #4ade80; display: block; }
.form-status.error   { color: #f87171; display: block; }
  
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .honors-grid-compact { grid-template-columns: 1fr; }
}

/* ─── TIMELINE ─── */
.timeline-section {
  margin-bottom: 3.5rem;
}
.tl-track {
  position: relative;
  padding-left: 2.5rem;
}
.tl-track::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), var(--accent2), transparent);
  opacity: 0.35;
}
.tl-item {
  position: relative;
  padding-bottom: 2.5rem;
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.tl-item.tl-visible {
  opacity: 1;
  transform: translateX(0);
}
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -2.5rem;
  top: 4px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 8px rgba(0,229,255,0.35);
  z-index: 1;
}
.tl-item.tl-internship .tl-dot { border-color: var(--accent3); box-shadow: 0 0 8px rgba(245,158,11,0.35); }
.tl-item.tl-work .tl-dot { border-color: var(--accent2); box-shadow: 0 0 8px rgba(124,58,237,0.35); }
.tl-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}
.tl-date {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
}
.tl-item.tl-internship .tl-date { color: var(--accent3); }
.tl-item.tl-work .tl-date { color: #a78bfa; }
.tl-badge {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  border: 1px solid;
}
.tl-badge-edu { border-color: rgba(0,229,255,0.3); color: var(--accent); background: rgba(0,229,255,0.05); }
.tl-badge-intern { border-color: rgba(245,158,11,0.3); color: var(--accent3); background: rgba(245,158,11,0.05); }
.tl-badge-work { border-color: rgba(124,58,237,0.3); color: #a78bfa; background: rgba(124,58,237,0.05); }
.tl-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.4rem;
}
.tl-logo {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--bg3);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--text-muted);
  letter-spacing: 0;
  padding: 3px;
}
.tl-logo img { width: 100%; height: 100%; object-fit: contain; }
.tl-title-group { flex: 1; }
.tl-role {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 0.15rem;
}
.tl-org {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}
.tl-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 560px;
}
 
/* ─── TIMELINE TABS ─── */
.tl-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem;
  width: fit-content;
}
.tl-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.22s ease;
}
.tl-tab:hover:not(.active) {
  color: var(--text-dim);
  border-color: var(--border);
}
.tl-tab.active {
  background: var(--bg3);
  border-color: rgba(0,229,255,0.25);
  color: var(--accent);
  box-shadow: 0 0 12px rgba(0,229,255,0.08);
}
#tab-academic.active {
  border-color: rgba(124,58,237,0.3);
  color: #a78bfa;
  box-shadow: 0 0 12px rgba(124,58,237,0.1);
}
.tl-tab-icon { font-size: 0.7rem; }
.tl-panel {
  animation: panelFadeIn 0.35s ease forwards;
}
.tl-panel-hidden {
  display: none;
}
@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── FOOTER ─── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 4rem 3rem;
  margin-top: 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}
.footer-brand {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.footer-brand span { color: var(--accent); }
.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a {
  font-size: 0.82rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
a {
  color: #9ae6ff;
  text-decoration: none;
}
a:hover {
  color: #ffffff;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-socials { display: none; }
  .page-header, .about-section { padding-left: 1.5rem; padding-right: 1.5rem; }
  .divider { margin: 0 1.5rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-sidebar { position: static; }
  .bio-grid { grid-template-columns: 1fr; }
  .bio-cv-image { position: static; }
  .skills-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .honors-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  nav { padding: 1rem; }
  .page-header, .about-section { padding-left: 1rem; padding-right: 1rem; }
  .divider { margin: 0 1rem; }
  .footer-grid { grid-template-columns: 1fr; }
}
.lang-flag {
  display: block;
  margin-top: 0.65rem;
}
.lang-flag img {
  width: 28px;
  height: 21px;
  border-radius: 2px;
  object-fit: cover;
  opacity: 0.85;
}
.cert-flag {
  width: 18px;
  height: 13px;
  border-radius: 1px;
  object-fit: cover;
  opacity: 0.85;
  vertical-align: middle;
  margin-right: 4px;
  flex-shrink: 0;
}


/* ================================================================
   INDEX.HTML — Page-specific styles
   ================================================================ */

/* ─── SECTION SHARED ─── */
section { padding: 6rem 3rem; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.section-label::before { content: '//'; opacity: 0.5; }
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  line-height: 1.1;
}
.divider {
  height: 1px;
  background: var(--border);
  margin: 0 3rem;
}

/* ─── FEATURED PROJECT ─── */
#featured { background: var(--bg); }
.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}
.featured-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.featured-badge {
  display: inline-block;
  background: rgba(0,229,255,0.1);
  border: 1px solid rgba(0,229,255,0.3);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  padding: 0.3rem 0.7rem;
  border-radius: 2px;
  margin-bottom: 1rem;
}
.featured-title {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.featured-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}
.tech-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-dim);
  letter-spacing: 0.05em;
}
.featured-img-placeholder {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  height: 280px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.featured-img-placeholder::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,229,255,0.05) 0%, transparent 50%, rgba(124,58,237,0.05) 100%);
}
.img-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  z-index: 1;
}

/* ─── PROJECTS GRID ─── */
#projects { background: var(--bg2); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0;
  transition: border-color 0.25s, transform 0.25s;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.project-card-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.project-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
  opacity: 0.85;
}
.project-card:hover .project-card-img img { transform: scale(1.04); }
.project-card-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(0,229,255,0.04), rgba(124,58,237,0.04));
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}
.project-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transition: transform 0.35s;
}
.project-card:hover { border-color: rgba(0,229,255,0.2); transform: translateY(-3px); }
.project-card:hover::before { transform: scaleX(1); }
.project-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  opacity: 0.5;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}
.project-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.project-desc {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}
.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.project-link {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-decoration: none;
  text-transform: uppercase;
  transition: opacity 0.2s;
}
.project-link:hover { opacity: 0.7; }

/* ─── ABOUT ─── */
#about { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 5rem;
  align-items: start;
}
.about-sidebar {
  position: sticky; top: 6rem;
}
.profile-frame {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}
.profile-frame::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,229,255,0.04), transparent, rgba(124,58,237,0.04));
}
.profile-placeholder {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}
.profile-img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 8px;
}
.sidebar-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.stat-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}
.about-content {}
.about-body {
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--text-dim);
  margin-bottom: 2rem;
}
.about-body b { color: var(--text); font-weight: 600; }
.about-body a { color: var(--accent); text-decoration: none; }
.about-body a:hover { opacity: 0.8; }
.about-ctas {
  display: flex; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* ─── SKILLS ─── */
.skills-section { margin-top: 3rem; }
.skills-section h3 {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.skill-bar { margin-bottom: 1rem; }
.skill-name {
  display: flex; justify-content: space-between;
  font-size: 0.8rem;
  margin-bottom: 0.4rem;
  color: var(--text-dim);
}
.skill-name span:last-child {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}
.bar-track {
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  animation: fillBar 1s ease-out forwards;
}
@keyframes fillBar { to { transform: scaleX(1); } }
.skill-bar:nth-child(1) .bar-fill { animation-delay: 0.1s; }
.skill-bar:nth-child(2) .bar-fill { animation-delay: 0.2s; }
.skill-bar:nth-child(3) .bar-fill { animation-delay: 0.3s; }
.skill-bar:nth-child(4) .bar-fill { animation-delay: 0.4s; }
.skill-bar:nth-child(5) .bar-fill { animation-delay: 0.5s; }
.skill-bar:nth-child(6) .bar-fill { animation-delay: 0.6s; }
.skill-bar:nth-child(7) .bar-fill { animation-delay: 0.7s; }
.skill-bar:nth-child(8) .bar-fill { animation-delay: 0.8s; }

/* ─── CERTS & LANGUAGES ─── */
.certs-langs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}
.sub-section-title {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.cert-list { list-style: none; }
.cert-list li {
  margin-bottom: 0.5rem;
}
.cert-list a {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 3px;
  transition: all 0.2s;
}
.cert-list a::before { content: '→'; color: var(--accent); font-size: 0.7rem; flex-shrink: 0; }
.cert-list a:hover { border-color: var(--border); color: var(--text); }
.lang-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.lang-name { font-size: 0.88rem; font-weight: 600; }
.lang-level {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}


/* ─── RESPONSIVE (index additions) ─── */
@media (max-width: 900px) {
  section { padding: 4rem 1.5rem; }
  #hero { grid-template-columns: 1fr; }
  .hero-photo { width: 130px; height: 160px; position: absolute; top: 5.5rem; right: 1.5rem; }
  .featured-card { grid-template-columns: 1fr; gap: 2rem; }
  .certs-langs-grid { grid-template-columns: 1fr; }
  .hero-scroll-indicator { display: none; }
}
@media (max-width: 600px) {
  section { padding: 3rem 1rem; }
  .hero-name { font-size: 3rem; }
}