/* ============================================================
   Circuit Noir — Mohammed Sijas Portfolio
   ============================================================ */

:root {
  --bg:        #0d0d0f;
  --bg2:       #111114;
  --bg3:       #18181d;
  --surface:   #1e1e24;
  --border:    #2a2a33;
  --amber:     #f0a500;
  --amber-dim: #c07800;
  --amber-glow:#f0a50033;
  --text:      #e8e4d9;
  --text-muted:#7a7870;
  --text-dim:  #4a4844;
  --green:     #3ddc84;
  --red:       #ff5f57;
  --yellow:    #febc2e;

  --font-display: 'Syne', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius: 4px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: default;
}

/* Custom cursor — only hides native cursor once JS confirms pointer device */
body.custom-cursor-active,
body.custom-cursor-active * {
  cursor: none !important;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--amber);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.1s;
  mix-blend-mode: difference;
}
.cursor-ring {
  width: 32px; height: 32px;
  border: 1px solid var(--amber);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transition: transform 0.18s cubic-bezier(0.4,0,0.2,1), opacity 0.2s;
  opacity: 0.5;
}

/* ============================================================
   Fancy Animations
   ============================================================ */

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--amber-dim), var(--amber), #ffd166);
  z-index: 200;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px var(--amber);
}

/* Hero particle canvas */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}
.hero-content,
.hero-side { position: relative; z-index: 1; }

/* Reveal on scroll */
.reveal-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s cubic-bezier(0.4,0,0.2,1) var(--reveal-delay, 0ms),
              transform 0.55s cubic-bezier(0.4,0,0.2,1) var(--reveal-delay, 0ms);
}
.reveal-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Magnetic card — smooth reset */
.project-card,
.domain-card,
.yt-playlist-card,
.yt-video-card {
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1),
              border-color 0.25s, box-shadow 0.25s;
  will-change: transform;
}

/* Nav shimmer on hover */
.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--amber);
  transition: width 0.25s ease;
}
.nav-links a:hover::after { width: 100%; }

/* Ambient glow pulse on hero tag dot */
@keyframes glow-pulse {
  0%,100% { box-shadow: 0 0 4px 0 rgba(61,220,132,0.4); }
  50%      { box-shadow: 0 0 10px 4px rgba(61,220,132,0.6); }
}
.hero-tag .dot { animation: pulse 2s ease-in-out infinite, glow-pulse 2s ease-in-out infinite; }

/* Stat number shimmer — avoid -webkit-text-fill-color as it blocks counter updates */
.stat-num {
  color: var(--amber);
  display: block;
  animation: shimmer-color 3s linear infinite;
}
@keyframes shimmer-color {
  0%,100% { color: var(--amber); }
  50%      { color: #ffd166; }
}

/* Section title underline draw */
.section-title em {
  position: relative;
  display: inline-block;
}
.section-title em::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--amber);
  transition: width 1s cubic-bezier(0.4,0,0.2,1) 0.3s;
}
.visible-section .section-title em::after,
section.in-view .section-title em::after { width: 100%; }

/* ============================================================
   Grain overlay
   ============================================================ */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%; height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.022;
  pointer-events: none;
  z-index: 1000;
  animation: grain-move 8s steps(10) infinite;
}
@keyframes grain-move {
  0%,100% { transform: translate(0,0); }
  10% { transform: translate(-2%,-3%); }
  20% { transform: translate(2%,1%); }
  30% { transform: translate(-1%,4%); }
  40% { transform: translate(3%,-2%); }
  50% { transform: translate(-3%,2%); }
  60% { transform: translate(1%,-4%); }
  70% { transform: translate(-2%,3%); }
  80% { transform: translate(4%,1%); }
  90% { transform: translate(-1%,-2%); }
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 4rem;
  background: linear-gradient(to bottom, var(--bg) 60%, transparent);
  animation: fade-down 0.6s ease both;
}
@keyframes fade-down {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--amber);
  letter-spacing: -0.02em;
}
.blink {
  animation: blink 1.1s step-end infinite;
}
@keyframes blink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0; }
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}
.nav-links a {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--amber); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 8rem 4rem 4rem;
  gap: 4rem;
  position: relative;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  opacity: 0.3;
}

.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  animation: fade-up 0.8s 0.2s ease both;
}
.hero-side {
  position: relative;
  z-index: 1;
  animation: fade-up 0.8s 0.5s ease both;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  border: 1px solid rgba(61,220,132,0.25);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.hero-tag .dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.7); }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.hero-name .secondary { color: var(--amber); }

/* Glitch effect */
.glitch {
  position: relative;
  display: inline-block;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}
.glitch::before {
  color: var(--amber);
  animation: glitch-1 6s infinite steps(1);
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
}
.glitch::after {
  color: #0ff;
  animation: glitch-2 6s infinite steps(1);
  clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
}
@keyframes glitch-1 {
  0%,90%,100% { transform: translate(0); opacity: 0; }
  91%         { transform: translate(-2px, 1px); opacity: 0.6; }
  92%         { transform: translate(2px, -1px); opacity: 0.4; }
  93%         { transform: translate(0); opacity: 0; }
}
@keyframes glitch-2 {
  0%,94%,100% { transform: translate(0); opacity: 0; }
  95%         { transform: translate(2px, 2px); opacity: 0.4; }
  96%         { transform: translate(-2px, -1px); opacity: 0.6; }
  97%         { transform: translate(0); opacity: 0; }
}

.hero-terminal {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.prompt { color: var(--amber); font-weight: 500; }
.cursor {
  color: var(--amber);
  animation: blink 1s step-end infinite;
}

.hero-bio {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 2rem;
}
.hero-bio em { color: var(--amber); font-style: normal; }

.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn-primary {
  background: var(--amber);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: #ffc233;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--amber-glow);
}
.btn-ghost {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color var(--transition);
}
.btn-ghost:hover { color: var(--amber); }

/* Code block */
.code-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03);
}
.code-header {
  background: var(--bg3);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.code-header .dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.code-header .dot.red    { background: var(--red); }
.code-header .dot.yellow { background: var(--yellow); }
.code-header .dot.green  { background: var(--green); }
.code-title {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}
.code-body {
  padding: 1.5rem;
  font-size: 0.8rem;
  line-height: 1.9;
  overflow-x: auto;
}
code { font-family: var(--font-mono); }
.c-key  { color: #c792ea; }
.c-var  { color: #82aaff; }
.c-prop { color: #80cbc4; }
.c-str  { color: #c3e88d; }
.c-bool { color: #ff9cac; }
.c-num  { color: var(--amber); }

/* ============================================================
   Section commons
   ============================================================ */
section { padding: 7rem 4rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 1rem;
  font-weight: 500;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 3rem;
}
.section-title em {
  color: var(--amber);
  font-style: normal;
}

/* ============================================================
   Floating Tools — About section
   ============================================================ */
.about { position: relative; overflow: hidden; }

.floating-tools {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.ft-item {
  position: absolute;
  left: var(--x);
  top:  var(--y);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  will-change: transform;
  transition: transform 0.1s linear;
}
.ft-item svg {
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.ft-item span {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* Depth 1 — back: small, blurred, slow */
.ft-d1 svg { width: 28px; height: 28px; opacity: 0.35; filter: blur(1.5px); }
.ft-d1 span { opacity: 0; }

/* Depth 2 — mid: medium, slight blur */
.ft-d2 svg { width: 36px; height: 36px; opacity: 0.55; filter: blur(0.5px); }
.ft-d2 span { opacity: 0.4; }

/* Depth 3 — front: large, sharp, fast */
.ft-d3 svg { width: 44px; height: 44px; opacity: 0.8; filter: none; }
.ft-d3 span { opacity: 0.7; }

/* Float animation — each item drifts on its own cycle */
.ft-item { animation: ft-float var(--ft-dur, 6s) ease-in-out infinite var(--ft-delay, 0s); }
.ft-d1 { --ft-dur: 9s;  }
.ft-d2 { --ft-dur: 7s;  }
.ft-d3 { --ft-dur: 5.5s;}

.ft-item:nth-child(1) { --ft-delay: 0s;    }
.ft-item:nth-child(2) { --ft-delay: -2.1s; }
.ft-item:nth-child(3) { --ft-delay: -1.3s; }
.ft-item:nth-child(4) { --ft-delay: -3.5s; }
.ft-item:nth-child(5) { --ft-delay: -0.8s; }
.ft-item:nth-child(6) { --ft-delay: -4.2s; }
.ft-item:nth-child(7) { --ft-delay: -1.7s; }
.ft-item:nth-child(8) { --ft-delay: -2.9s; }

@keyframes ft-float {
  0%,100% { transform: translateY(calc(var(--parallax-y, 0px) + 0px))   rotate(0deg);   }
  33%      { transform: translateY(calc(var(--parallax-y, 0px) - 10px))  rotate(1.5deg); }
  66%      { transform: translateY(calc(var(--parallax-y, 0px) + 6px))   rotate(-1deg);  }
}

/* Ensure content sits above the floating layer */
.about .section-inner { position: relative; z-index: 1; }

/* ============================================================
   About
   ============================================================ */
.about { background: var(--bg2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.about-text p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.85;
}
.about-text p em { color: var(--text); font-style: normal; }
.about-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.about-domains {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.domain-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber-dim);
  padding: 1.5rem;
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  animation: fade-up 0.6s calc(var(--index, 0) * 0.1s + 0.2s) ease both;
}
.domain-card[data-index="1"] { --index: 1; }
.domain-card[data-index="2"] { --index: 2; }
.domain-card[data-index="3"] { --index: 3; }
.domain-card[data-index="4"] { --index: 4; }
.domain-card:hover {
  border-color: var(--amber);
  transform: translateX(4px);
  box-shadow: -4px 0 20px var(--amber-glow);
}
.domain-icon {
  font-size: 1.4rem;
  color: var(--amber);
  margin-bottom: 0.75rem;
}
.domain-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.domain-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================================
   Expertise
   ============================================================ */
.expertise { background: var(--bg); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}
.skill-group-title {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.5rem;
  font-weight: 500;
}
.skill-item {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 0.25rem 0.75rem;
  margin-bottom: 1.25rem;
}
.skill-name {
  font-size: 0.8rem;
  color: var(--text);
  grid-column: 1;
}
.skill-pct {
  font-size: 0.7rem;
  color: var(--amber);
  font-weight: 500;
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
}
.skill-pct::after { content: '%'; }
.bar {
  grid-column: 1;
  height: 3px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--amber-dim), var(--amber));
  border-radius: 999px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.bar-fill.animated { width: var(--w); }

/* ============================================================
   Experience
   ============================================================ */
.experience { background: var(--bg2); }
.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--amber), var(--border), transparent);
}
.timeline-item {
  position: relative;
  padding: 0 0 3.5rem 2.5rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}
.timeline-dot {
  position: absolute;
  left: -6px;
  top: 6px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
  transition: border-color var(--transition);
}
.timeline-item.active .timeline-dot {
  border-color: var(--amber);
  box-shadow: 0 0 12px var(--amber-glow);
}
.timeline-date {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}
.timeline-company {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.timeline-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 1rem;
}
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.timeline-tags span {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  background: var(--amber-glow);
}

/* Sub-timeline */
.sub-timeline {
  margin-top: 1.25rem;
  padding-left: 1rem;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.sub-timeline-item {
  display: grid;
  grid-template-columns: 8px auto 1fr;
  align-items: center;
  gap: 0.6rem;
}
.sub-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--bg3);
  border: 1.5px solid var(--border);
  flex-shrink: 0;
}
.sub-timeline-item:first-child .sub-dot {
  background: var(--amber-glow);
  border-color: var(--amber);
  box-shadow: 0 0 6px var(--amber-glow);
}
.sub-date {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.sub-title {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  font-family: var(--font-display);
}
.sub-timeline-item:first-child .sub-title { color: var(--amber); }

/* ============================================================
   Projects
   ============================================================ */
.projects { background: var(--bg); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.project-card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(240,165,0,0.1);
}
.project-card:hover::before { opacity: 1; }
.project-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--surface), var(--bg3));
  border-color: rgba(240,165,0,0.2);
}
.project-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  transition: color var(--transition);
}
.project-card:hover .project-num { color: var(--amber-glow); }
.project-type {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.4rem;
}
.project-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.project-body p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.project-tags span {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
}
.project-arrow {
  font-size: 1.25rem;
  color: var(--border);
  align-self: flex-end;
  margin-top: auto;
  transition: color var(--transition), transform var(--transition);
}
.project-card:hover .project-arrow {
  color: var(--amber);
  transform: translate(3px, -3px);
}

/* ============================================================
   YouTube Section
   ============================================================ */
.youtube-section { background: var(--bg2); }

.yt-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3rem;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.yt-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.7;
  margin-top: 0.5rem;
}
.yt-channel-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #ff0000;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.yt-channel-btn:hover {
  background: #cc0000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,0,0,0.25);
}

.yt-badge {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  background: var(--amber-glow);
  padding: 0.25rem 0.75rem;
  border-radius: 3px;
  margin-bottom: 1.25rem;
}

/* Featured video */
.yt-featured { margin-bottom: 3.5rem; }
.yt-featured-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.yt-embed-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg3);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.yt-embed-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border-radius: 6px;
}
.yt-meta-tag {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.75rem;
}
.yt-video-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 1rem;
}
.yt-video-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.yt-watch-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--amber);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-dim);
  padding-bottom: 0.15rem;
  transition: color var(--transition), border-color var(--transition);
}
.yt-watch-btn:hover { color: #ffc233; border-color: #ffc233; }

/* Playlists */
.yt-playlists-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.yt-playlist-card {
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.yt-playlist-card:hover {
  border-color: var(--amber-dim);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4), 0 0 0 1px rgba(240,165,0,0.1);
}
.yt-playlist-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg3);
}
.yt-playlist-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
  filter: brightness(0.85);
}
.yt-playlist-card:hover .yt-playlist-thumb img {
  transform: scale(1.04);
  filter: brightness(1);
}
.yt-playlist-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(0,0,0,0.45);
  color: #fff;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity var(--transition);
}
.yt-playlist-card:hover .yt-playlist-overlay { opacity: 1; }
.yt-playlist-info {
  padding: 0.9rem 1rem;
}
.yt-playlist-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.yt-playlist-count {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

.project-card:hover .project-arrow {
  color: var(--amber);
  transform: translate(3px, -3px);
}

/* ============================================================
   YouTube Section
   ============================================================ */
.youtube-section { background: var(--bg2); }

.yt-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3rem;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.yt-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-top: 0.5rem;
  line-height: 1.7;
}
.yt-channel-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #ff0000;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.yt-channel-btn:hover {
  background: #cc0000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,0,0,0.25);
}

.yt-badge {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  background: var(--amber-glow);
  padding: 0.25rem 0.75rem;
  border-radius: 3px;
  margin-bottom: 1.5rem;
}

/* Featured video */
.yt-featured { margin-bottom: 3.5rem; }
.yt-featured-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.yt-embed-wrap {
  position: relative;
  width: 100%;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  transition: box-shadow var(--transition), transform var(--transition);
  display: block;
}
.yt-embed-wrap::before {
  content: '';
  display: block;
  padding-top: 56.25%;
}
.yt-embed-wrap iframe,
.yt-embed-wrap img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}
.yt-embed-wrap:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 56px rgba(0,0,0,0.6), 0 0 0 1px rgba(240,165,0,0.15);
}
.yt-thumb-link { text-decoration: none; cursor: pointer; }
.yt-thumb-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.2);
  transition: background var(--transition);
}
.yt-thumb-link:hover .yt-thumb-play { background: rgba(0,0,0,0.35); }
.yt-thumb-link:hover .yt-thumb-play svg { transform: scale(1.08); }
.yt-thumb-play svg { transition: transform var(--transition); filter: drop-shadow(0 2px 12px rgba(0,0,0,0.5)); }
.yt-meta-tag {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}
.yt-video-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 1rem;
}
.yt-video-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.yt-watch-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-dim);
  padding-bottom: 0.2rem;
  transition: color var(--transition), border-color var(--transition);
}
.yt-watch-btn:hover {
  color: #ffc233;
  border-color: #ffc233;
}

/* Playlists */
.yt-playlists-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.yt-playlist-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.yt-playlist-card:hover {
  border-color: rgba(240,165,0,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}
.yt-playlist-thumb {
  position: relative;
  overflow: hidden;
}
.yt-playlist-thumb img {
  width: 100%;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
  filter: brightness(0.85);
  transition: filter var(--transition), transform 0.4s ease;
}
.yt-playlist-card:hover .yt-playlist-thumb img {
  filter: brightness(1);
  transform: scale(1.03);
}
.yt-playlist-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(0,0,0,0.45);
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  opacity: 0;
  transition: opacity var(--transition);
}
.yt-playlist-card:hover .yt-playlist-overlay { opacity: 1; }
.yt-playlist-info {
  padding: 1rem 1.1rem;
}
.yt-playlist-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.3rem;
}
.yt-playlist-count {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

/* Individual video cards */
.yt-videos { margin-top: 3rem; }
.yt-videos-label { margin-bottom: 1.25rem; }
.yt-videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.yt-video-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.yt-video-card:hover {
  border-color: rgba(240,165,0,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}
.yt-video-thumb {
  position: relative;
  overflow: hidden;
}
.yt-video-thumb img {
  width: 100%;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
  filter: brightness(0.85);
  transition: filter var(--transition), transform 0.4s ease;
}
.yt-video-card:hover .yt-video-thumb img {
  filter: brightness(1);
  transform: scale(1.03);
}
.yt-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  color: #fff;
  opacity: 0;
  transition: opacity var(--transition);
}
.yt-play-overlay svg {
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}
.yt-video-card:hover .yt-play-overlay { opacity: 1; }
.yt-video-info {
  padding: 0.9rem 1.1rem;
}
.yt-video-card-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 0.35rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.yt-video-card-meta {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

/* ============================================================
   Contact Form
   ============================================================ */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-group input,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--amber-dim);
  box-shadow: 0 0 0 3px var(--amber-glow);
}
.form-status { min-height: 1.5rem; }
.form-loading,
.form-error,
.form-success { display: none; font-size: 0.8rem; padding: 0.6rem 0; }
.form-loading { color: var(--text-muted); }
.form-loading.visible,
.form-error.visible,
.form-success.visible { display: block; }
.form-error { color: #ff5f57; }
.form-success { color: var(--green); }
.loading-dots::after {
  content: '...';
  animation: dots 1.2s steps(4, end) infinite;
}
@keyframes dots {
  0%,20%  { content: '.'; }
  40%     { content: '..'; }
  60%,100%{ content: '...'; }
}
.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--amber);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border: none;
  border-radius: var(--radius);
  padding: 0.85rem 2rem;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  align-self: flex-start;
}
.form-submit:hover {
  background: #ffc233;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--amber-glow);
}
.form-submit:disabled {
  opacity: 0.5;
  pointer-events: none;
}
.contact {
  background: var(--bg2);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  bottom: -200px; right: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--amber-glow) 0%, transparent 70%);
  pointer-events: none;
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.contact-left p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 400px;
  margin-bottom: 2.5rem;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  text-decoration: none;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-link:hover {
  border-color: var(--amber);
  box-shadow: 0 4px 16px var(--amber-glow);
}
.contact-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  min-width: 60px;
}
.contact-value {
  font-size: 0.85rem;
  color: var(--text);
}
.contact-left .social-grid {
  margin-top: 2rem;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.social-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
}
.social-card svg {
  width: 22px; height: 22px;
}
.social-card:hover {
  color: var(--amber);
  border-color: var(--amber-dim);
  transform: translateY(-3px);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding: 2rem 4rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

/* ============================================================
   Responsive
   ============================================================ */

/* Tablet (iPad Air ~1024px) — stack hero early, constrain code block */
@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 7rem 3rem 3rem;
    gap: 3rem;
  }
  .hero-side {
    max-width: 520px;
  }
  .code-body {
    font-size: 0.75rem;
  }
}

@media (max-width: 900px) {
  .nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1.25rem; }
  section { padding: 5rem 1.5rem; }
  .hero {
    grid-template-columns: 1fr;
    padding: 7rem 1.5rem 3rem;
    gap: 3rem;
  }
  .about-grid,
  .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }
  .yt-featured-grid { grid-template-columns: 1fr; }
  .yt-playlists-grid { grid-template-columns: 1fr; }
  .yt-videos-grid { grid-template-columns: 1fr; }
  .yt-header { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 2.75rem; }
  .about-stats { flex-wrap: wrap; gap: 1.5rem; }
  .social-grid { grid-template-columns: repeat(3, 1fr); }
}