/* ===== Tokens ===== */
:root {
  --bg: #0A0E1F;
  --surface: rgba(30, 41, 80, 0.35);
  --surface-2: rgba(45, 58, 110, 0.4);
  --border: rgba(120, 150, 255, 0.25);
  --border-strong: rgba(140, 170, 255, 0.45);
  --text: #F1F4FF;
  --text-dim: #AEB8E0;
  --text-faint: #7A85B5;

  --blue: #4E7CFF;
  --cyan: #38D9E8;
  --violet: #9B6BFF;
  --pink: #FF6BB3;
  --amber: #FFC15E;

  --gradient-main: linear-gradient(135deg, #4E7CFF 0%, #38D9E8 45%, #9B6BFF 100%);
  --gradient-card: linear-gradient(135deg, rgba(78,124,255,0.18), rgba(155,107,255,0.14));
  --gradient-text: linear-gradient(90deg, #6FA0FF, #38D9E8, #B385FF, #FF6BB3, #FFC15E, #6FA0FF);
  --gradient-border: linear-gradient(45deg, #4E7CFF, #38D9E8, #9B6BFF, #FF6BB3, #4E7CFF);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --max-w: 980px;
  --radius: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

.mono { font-family: var(--font-mono); }
.dim { color: var(--text-faint); }

a { color: inherit; text-decoration: none; }
ul { padding-left: 1.1em; margin: 0.6em 0; }
li { margin-bottom: 0.5em; }
code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(56, 217, 232, 0.6);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== Background: gradient blobs + grid ===== */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(120,150,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,150,255,0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}

.grid-bg::before,
.grid-bg::after,
body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -3;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.7;
  pointer-events: none;
}

body::before {
  width: 700px;
  height: 700px;
  top: -200px;
  left: -160px;
  background: radial-gradient(circle, var(--blue), transparent 70%);
  animation: float1 18s ease-in-out infinite, pulse-glow 4s ease-in-out infinite;
}

body::after {
  width: 650px;
  height: 650px;
  top: 20%;
  right: -220px;
  background: radial-gradient(circle, var(--violet), transparent 70%);
  animation: float2 22s ease-in-out infinite, pulse-glow 5s ease-in-out infinite alternate;
}

.grid-bg::before {
  width: 580px;
  height: 580px;
  bottom: -180px;
  left: 10%;
  background: radial-gradient(circle, var(--cyan), transparent 70%);
  animation: float3 20s ease-in-out infinite, pulse-glow 6s ease-in-out infinite;
}

.grid-bg::after {
  width: 500px;
  height: 500px;
  bottom: 10%;
  right: 5%;
  background: radial-gradient(circle, var(--pink), transparent 70%);
  opacity: 0.5;
  animation: float1 26s ease-in-out infinite reverse, pulse-glow 7s ease-in-out infinite alternate;
}

@keyframes float1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(80px, 50px) scale(1.2); }
}
@keyframes float2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-70px, 70px) scale(1.15); }
}
@keyframes float3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, -60px) scale(1.25); }
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; filter: blur(120px); }
  50% { opacity: 0.8; filter: blur(140px); }
}

/* ===== Topbar ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 14, 31, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 0 40px rgba(78, 124, 255, 0.2);
}
.topbar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 300% auto;
  animation: shine 3s linear infinite;
  text-shadow: 0 0 30px rgba(78, 124, 255, 0.5);
}
.nav {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.nav a {
  color: var(--text-dim);
  transition: color 0.15s ease, text-shadow 0.15s ease;
}
.nav a:hover { 
  color: var(--cyan); 
  text-shadow: 0 0 20px rgba(56, 217, 232, 0.8);
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border: 1px solid rgba(56, 217, 232, 0.6);
  background: rgba(56, 217, 232, 0.15);
  padding: 5px 10px;
  border-radius: 999px;
  box-shadow: 0 0 20px rgba(56, 217, 232, 0.4), inset 0 0 10px rgba(56, 217, 232, 0.2);
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(56, 217, 232, 0.8);
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(56, 217, 232, 0.7); }
  70%  { box-shadow: 0 0 0 12px rgba(56, 217, 232, 0); }
  100% { box-shadow: 0 0 0 0 rgba(56, 217, 232, 0); }
}

/* ===== Hero ===== */
.hero {
  padding: 96px 24px 64px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.route {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 0 0 18px;
}
.code-200 { 
  color: var(--cyan); 
  text-shadow: 0 0 10px rgba(56, 217, 232, 0.6);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.05;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 300% auto;
  animation: shine 4s linear infinite;
  text-shadow: 0 0 60px rgba(78, 124, 255, 0.4);
}
@keyframes shine {
  to { background-position: 300% center; }
}
.hero-role {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 1rem;
  margin: 0 0 22px;
}
.hero-bio {
  max-width: 620px;
  color: var(--text-dim);
  font-size: 1.02rem;
  margin: 0 0 32px;
}
.hero-bio a { 
  color: var(--cyan); 
  border-bottom: 1px solid rgba(56,217,232,0.4);
  text-shadow: 0 0 10px rgba(56, 217, 232, 0.5);
}
.hero-bio a:hover { 
  border-color: var(--cyan); 
  text-shadow: 0 0 20px rgba(56, 217, 232, 0.8);
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 12px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  display: inline-block;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-4px) scale(1.05); }
.btn-primary {
  background: var(--gradient-main);
  color: #0A0E1F;
  font-weight: 700;
  box-shadow: 0 0 40px rgba(78, 124, 255, 0.6), 0 8px 24px rgba(78, 124, 255, 0.4);
  background-size: 200% auto;
  animation: gradient-shift 3s ease infinite;
}
.btn-primary:hover { 
  box-shadow: 0 0 60px rgba(78, 124, 255, 0.8), 0 12px 32px rgba(78, 124, 255, 0.6); 
}
.btn-ghost {
  border-color: var(--border-strong);
  color: var(--text);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(10px);
  position: relative;
}
.btn-ghost::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: var(--gradient-border);
  background-size: 300% 300%;
  animation: gradient-shift 4s ease infinite;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.btn-ghost:hover::before {
  opacity: 1;
}
.btn-ghost:hover { 
  border-color: transparent;
  color: var(--cyan); 
  box-shadow: 0 0 40px rgba(56,217,232,0.5); 
}
.btn.small { padding: 8px 16px; font-size: 0.76rem; }

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.metric {
  background: var(--gradient-card);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}
.metric::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-border);
  background-size: 300% 300%;
  animation: gradient-shift 3s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.metric::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255,255,255,0.08),
    transparent
  );
  transform: rotate(45deg);
  animation: shimmer 3s infinite;
}
.metric:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 0 60px rgba(78, 124, 255, 0.5), 0 16px 40px rgba(78, 124, 255, 0.3);
}
.metric-value {
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 300% auto;
  animation: shine 4s linear infinite;
  text-shadow: 0 0 20px rgba(78, 124, 255, 0.3);
}
.metric-label {
  font-size: 0.76rem;
  color: var(--text-dim);
}

@keyframes shimmer {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(100%) rotate(45deg); }
}

/* ===== Panels ===== */
.panel {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 72px 24px;
  border-bottom: 1px solid var(--border);
}
.panel:last-of-type { border-bottom: none; }
.panel-eyebrow {
  color: var(--cyan);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  margin: 0 0 10px;
  text-shadow: 0 0 15px rgba(56, 217, 232, 0.6);
}
.panel-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 24px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  background-size: 300% auto;
  animation: shine 4s linear infinite;
  text-shadow: 0 0 40px rgba(78, 124, 255, 0.4);
}
.panel-text {
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 0 16px;
}
.panel-grid.two {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

.info-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 6px 20px;
  box-shadow: 0 0 40px rgba(20, 30, 70, 0.5), 0 10px 30px rgba(78, 124, 255, 0.2);
  position: relative;
  overflow: hidden;
}
.info-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-border);
  background-size: 300% 300%;
  animation: gradient-shift 4s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.info-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.info-row:last-child { border-bottom: none; }
.info-key { color: var(--text-faint); font-size: 0.76rem; }
.info-val { color: var(--text); text-align: right; }

/* ===== Skills ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.skill-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 22px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-border);
  background-size: 300% 300%;
  animation: gradient-shift 3s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.skill-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255,255,255,0.1),
    transparent
  );
  transform: rotate(45deg);
  animation: shimmer 4s infinite;
}
.skill-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 0 80px rgba(78, 124, 255, 0.5), 0 20px 50px rgba(78, 124, 255, 0.3);
}
.skill-cat {
  font-size: 0.76rem;
  color: var(--cyan);
  margin: 0 0 14px;
  letter-spacing: 0.03em;
  text-transform: lowercase;
  text-shadow: 0 0 15px rgba(56, 217, 232, 0.6);
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-dim);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.tag:hover { 
  border-color: var(--cyan); 
  color: var(--cyan); 
  box-shadow: 0 0 20px rgba(56, 217, 232, 0.5);
  transform: scale(1.1);
}

/* ===== Projects ===== */
.project-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 30px;
  margin-bottom: 22px;
  box-shadow: 0 0 50px rgba(20, 30, 70, 0.6), 0 14px 36px rgba(78, 124, 255, 0.3);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-border);
  background-size: 300% 300%;
  animation: gradient-shift 3s ease infinite;
  -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::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255,255,255,0.08),
    transparent
  );
  transform: rotate(45deg);
  animation: shimmer 3.5s infinite;
}
.project-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 0 100px rgba(78, 124, 255, 0.6), 0 24px 60px rgba(78, 124, 255, 0.4);
}
.project-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.project-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 6px;
  color: var(--text);
  text-shadow: 0 0 20px rgba(78, 124, 255, 0.3);
}
.project-sub {
  color: var(--text-faint);
  font-size: 0.86rem;
  margin: 0;
}
.project-links { display: flex; gap: 10px; }
.project-list {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin-top: 16px;
}

/* ===== Log / Certifications ===== */
.log {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gradient-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 0 40px rgba(20, 30, 70, 0.5);
  position: relative;
}
.log::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-border);
  background-size: 300% 300%;
  animation: gradient-shift 4s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.log-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  transition: background 0.2s ease;
}
.log-row:hover {
  background: rgba(78, 124, 255, 0.1);
}
.log-row:last-child { border-bottom: none; }
.log-date { color: var(--text-faint); font-size: 0.76rem; }
.log-text { color: var(--text); }
.log-link { 
  color: var(--amber); 
  font-family: var(--font-mono); 
  font-size: 0.78rem;
  text-shadow: 0 0 10px rgba(255, 193, 94, 0.5);
}
.log-link.muted { color: var(--text-faint); }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.contact-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-border);
  background-size: 300% 300%;
  animation: gradient-shift 3s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.contact-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 0 70px rgba(56, 217, 232, 0.6), 0 20px 50px rgba(56, 217, 232, 0.3);
}
.contact-key { color: var(--text-faint); font-size: 0.72rem; letter-spacing: 0.04em; }
.contact-val { 
  color: var(--text); 
  font-size: 0.95rem; 
  word-break: break-word;
  text-shadow: 0 0 15px rgba(78, 124, 255, 0.3);
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 32px 24px 48px;
  color: var(--text-faint);
  font-size: 0.76rem;
}

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 760px) {
  .nav { display: none; }
  .panel-grid.two { grid-template-columns: 1fr; }
  .metric-row { grid-template-columns: repeat(2, 1fr); }
  .log-row { grid-template-columns: 1fr; row-gap: 4px; }
  .project-head { flex-direction: column; }
  body::before, body::after, .grid-bg::before, .grid-bg::after { filter: blur(80px); opacity: 0.5; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}