/* ============ DESIGN TOKENS ============ */
:root {
  --bg: #07090d;
  --bg-2: #0c1018;
  --panel: #101720;
  --panel-2: #141c25;
  --line: rgba(148, 163, 184, 0.18);
  --line-strong: rgba(0, 229, 255, 0.36);
  --text: #edf4f8;
  --muted: #a2adba;
  --dim: #697585;
  --accent: #2dfc8f;
  --accent-2: #35d7ff;
  --accent-3: #ffb454;
  --accent-4: #ff6b7a;
  --shadow-glow: 0 18px 55px -30px rgba(53, 215, 255, 0.55);
  --radius: 8px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  min-width: 320px;
  font-family: var(--sans);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.08), transparent 34%),
    linear-gradient(315deg, rgba(255, 180, 84, 0.07), transparent 32%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: #001b0f; }

a { color: inherit; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 4px;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #06080c; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-radius: 8px;
}

/* ============ BACKGROUND ============ */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -4;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(#000, transparent 82%);
  -webkit-mask-image: linear-gradient(#000, transparent 82%);
  animation: gridShift 26s linear infinite;
}

@keyframes gridShift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 52px 52px, 52px 52px; }
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(45, 252, 143, 0.08), transparent 28%, rgba(255, 107, 122, 0.045)),
    linear-gradient(180deg, rgba(53, 215, 255, 0.05), transparent 48%);
}

.bg-noise {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .045;
  background: repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.55) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}

#matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: -3;
  opacity: .16;
  pointer-events: none;
}

/* ============ NAVIGATION ============ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(7, 9, 13, 0.68);
  border-bottom: 1px solid transparent;
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  transition: border-color .25s ease, background .25s ease;
}

.nav.scrolled {
  background: rgba(7, 9, 13, 0.92);
  border-bottom-color: var(--line);
}

.nav-inner {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
  white-space: nowrap;
}

.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(45, 252, 143, 0.9);
  animation: pulse 1.6s ease-in-out infinite;
}

.accent { color: var(--accent); }

@keyframes pulse {
  50% { transform: scale(.84); opacity: .75; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--muted);
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: 0;
  text-decoration: none;
  transition: color .2s, background .2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  background: rgba(45, 252, 143, 0.07);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid rgba(45, 252, 143, 0.8);
  border-radius: var(--radius);
  background: var(--accent);
  color: #001b0f;
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -16px var(--accent);
}

.hamburger {
  display: none;
  width: 42px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
}

.mobile-menu { display: none; }

/* ============ LAYOUT ============ */
.container {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 0 28px;
}

section {
  position: relative;
  padding: 112px 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 5px 10px;
  border: 1px solid rgba(45, 252, 143, 0.28);
  border-radius: var(--radius);
  background: rgba(45, 252, 143, 0.055);
  color: var(--accent);
  font-family: var(--mono);
  font-size: .78rem;
}

.section-tag::before {
  content: "$";
  color: var(--accent-2);
}

.section-title,
.contact-title {
  max-width: 820px;
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 2.35rem;
  line-height: 1.16;
  letter-spacing: 0;
}

.section-sub {
  max-width: 680px;
  margin-bottom: 48px;
  color: var(--muted);
  font-size: 1rem;
}

/* ============ HERO ============ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 112px;
  padding-bottom: 64px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, .88fr);
  align-items: center;
  gap: 56px;
}

.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 7px 12px;
  border: 1px solid rgba(45, 252, 143, 0.32);
  border-radius: var(--radius);
  background: rgba(45, 252, 143, 0.055);
  color: var(--accent);
  font-family: var(--mono);
  font-size: .8rem;
}

.hero-meta .live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 1.6s infinite;
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--accent-3);
  font-family: var(--mono);
  font-size: .9rem;
}

.hero-name {
  display: grid;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}

.hero-name span:not(.accent) {
  width: fit-content;
  background: linear-gradient(120deg, #ffffff, var(--accent) 58%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-role {
  min-height: 2rem;
  margin-bottom: 22px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 1.15rem;
}

.hero-role .prefix { color: var(--accent); }
.hero-role .typed { color: var(--text); }

.caret {
  display: inline-block;
  width: 9px;
  height: 1.1em;
  margin-left: 4px;
  background: var(--accent);
  vertical-align: -2px;
  animation: blink 1s steps(2) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.hero-bio {
  max-width: 640px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 1.06rem;
}

.hero-bio strong,
.about-text strong { color: var(--text); font-weight: 700; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: .86rem;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #001b0f;
  border-color: var(--accent);
  box-shadow: 0 12px 34px -22px var(--accent);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -24px var(--accent);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  border-color: var(--line);
}

.btn-ghost:hover {
  color: var(--accent);
  border-color: rgba(45, 252, 143, 0.72);
  background: rgba(45, 252, 143, 0.07);
}

.hero-socials {
  display: flex;
  gap: 10px;
  margin-top: 28px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.026);
  color: var(--muted);
  text-decoration: none;
  transition: transform .2s, color .2s, border-color .2s, background .2s;
}

.icon-btn:hover {
  color: var(--accent);
  border-color: rgba(45, 252, 143, 0.75);
  background: rgba(45, 252, 143, 0.07);
  transform: translateY(-2px);
}

.impact-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
  max-width: 690px;
}

.impact-strip div {
  min-height: 96px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
}

.impact-strip strong {
  display: block;
  margin-bottom: 6px;
  color: var(--accent-3);
  font-family: var(--mono);
  font-size: .82rem;
}

.impact-strip span {
  display: block;
  color: var(--muted);
  font-size: .86rem;
}

/* ============ HERO VISUAL ============ */
.hero-visual { min-width: 0; }

.signal-card {
  position: relative;
  min-height: 570px;
  padding: 22px;
  border: 1px solid rgba(53, 215, 255, 0.32);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(16, 23, 32, 0.9), rgba(8, 12, 18, 0.94)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 70px);
  box-shadow: var(--shadow-glow);
  overflow: hidden;
}

.signal-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .78rem;
}

.signal-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
}

.signal-status span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.radar {
  position: absolute;
  top: 70px;
  left: 50%;
  width: 290px;
  height: 290px;
  transform: translateX(-50%);
  border: 1px solid rgba(53, 215, 255, 0.35);
  border-radius: 50%;
  background:
    conic-gradient(from 90deg, rgba(53, 215, 255, .18), transparent 28%, rgba(45, 252, 143, .16), transparent 56%),
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(53, 215, 255, .26) calc(50% - 1px) calc(50% + 1px), transparent calc(50% + 1px)),
    linear-gradient(0deg, transparent calc(50% - 1px), rgba(53, 215, 255, .26) calc(50% - 1px) calc(50% + 1px), transparent calc(50% + 1px));
  animation: radarSpin 14s linear infinite;
  opacity: .82;
}

.radar span {
  position: absolute;
  border: 1px solid rgba(53, 215, 255, 0.24);
  border-radius: 50%;
}

.radar span:nth-child(1) { inset: 12%; }
.radar span:nth-child(2) { inset: 26%; }
.radar span:nth-child(3) { inset: 40%; }
.radar span:nth-child(4) {
  width: 9px;
  height: 9px;
  right: 66px;
  top: 82px;
  border: 0;
  background: var(--accent-3);
  box-shadow: 0 0 18px rgba(255, 180, 84, .8);
}

@keyframes radarSpin {
  to { transform: translateX(-50%) rotate(360deg); }
}

.terminal {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  overflow: hidden;
  border: 1px solid rgba(45, 252, 143, 0.32);
  border-radius: var(--radius);
  background: rgba(7, 10, 15, 0.88);
  font-family: var(--mono);
  box-shadow: 0 28px 58px -36px rgba(45, 252, 143, 0.6);
}

.terminal-bar,
.proj-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.terminal-bar .dot,
.proj-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-r { background: #ff5f56; }
.dot-y { background: #ffbd2e; }
.dot-g { background: #27c93f; }

.terminal-title,
.proj-file {
  margin-left: auto;
  color: var(--dim);
  font-size: .76rem;
}

.terminal-body {
  padding: 20px;
  font-size: .82rem;
  line-height: 1.9;
}

.term-line { white-space: pre-wrap; }
.term-prompt { color: var(--accent); }
.term-key { color: var(--accent-2); }
.term-str { color: #ffd479; }
.term-cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  margin-left: 4px;
  background: var(--accent);
  vertical-align: -2px;
  animation: blink 1s steps(2) infinite;
}

/* ============ ABOUT ============ */
.about-grid {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 44px;
  align-items: center;
}

.avatar-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  border: 1px solid rgba(45, 252, 143, 0.34);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(45, 252, 143, .08), transparent 42%),
    linear-gradient(315deg, rgba(53, 215, 255, .12), transparent 44%),
    #0b1118;
  box-shadow: 0 20px 52px -32px rgba(45, 252, 143, 0.75);
  overflow: hidden;
}

.avatar-wrap::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255, 180, 84, .22);
  border-radius: var(--radius);
}

.avatar-initials {
  position: relative;
  z-index: 1;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--mono);
  font-size: 4.8rem;
  font-weight: 800;
}

.about-text p {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 1.02rem;
}

.value-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 28px;
}

.value-list span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: rgba(255,255,255,.026);
  font-size: .9rem;
}

.value-list i { color: var(--accent-3); }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stat,
.skill-card,
.tl-card,
.proj,
.cert,
.contact-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
}

.stat {
  padding: 16px;
  transition: transform .2s, border-color .2s, background .2s;
}

.stat:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 180, 84, .6);
  background: rgba(255, 180, 84, 0.06);
}

.stat-num {
  color: var(--accent-3);
  font-family: var(--mono);
  font-size: 1.45rem;
  font-weight: 800;
}

.stat-label {
  margin-top: 3px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .76rem;
}

/* ============ SKILLS ============ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.skill-card {
  position: relative;
  overflow: hidden;
  padding: 20px;
  transition: transform .2s, border-color .2s, background .2s;
}

.skill-card:hover {
  transform: translateY(-3px);
  border-color: rgba(45, 252, 143, .55);
  background: rgba(45, 252, 143, 0.045);
}

.skill-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.skill-name {
  color: var(--text);
  font-family: var(--mono);
  font-size: .94rem;
  font-weight: 800;
}

.skill-name i {
  margin-right: 8px;
  color: var(--accent);
}

.skill-pct {
  padding: 3px 8px;
  border: 1px solid rgba(53, 215, 255, .25);
  border-radius: var(--radius);
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: .72rem;
}

.skill-bar {
  height: 5px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
}

.skill-fill {
  width: 0;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 1.1s cubic-bezier(.2, .7, .2, 1);
}

.skill-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: .88rem;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.badge {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.024);
  color: var(--muted);
  font-family: var(--mono);
  font-size: .76rem;
  transition: color .2s, border-color .2s, background .2s;
}

.badge:hover {
  color: var(--accent);
  border-color: rgba(45, 252, 143, 0.55);
  background: rgba(45, 252, 143, 0.055);
}

/* ============ TIMELINE ============ */
.timeline {
  position: relative;
  margin-top: 18px;
  padding-left: 38px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2), transparent);
  opacity: .55;
}

.tl-item {
  position: relative;
  margin-bottom: 30px;
}

.tl-item:last-child { margin-bottom: 0; }

.tl-dot {
  position: absolute;
  left: -31px;
  top: 8px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 0 4px rgba(45, 252, 143, 0.11), 0 0 14px rgba(45, 252, 143, 0.7);
}

.tl-card {
  padding: 22px 24px;
  transition: transform .2s, border-color .2s, background .2s;
}

.tl-card:hover {
  transform: translateX(4px);
  border-color: rgba(53, 215, 255, .5);
  background: rgba(53, 215, 255, 0.04);
}

.tl-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.tl-period {
  padding: 4px 9px;
  border: 1px solid rgba(45, 252, 143, .28);
  border-radius: var(--radius);
  background: rgba(45, 252, 143, .055);
  color: var(--accent);
  font-family: var(--mono);
  font-size: .75rem;
}

.tl-place {
  color: var(--muted);
  font-family: var(--mono);
  font-size: .8rem;
}

.tl-title {
  margin: 8px 0;
  color: var(--text);
  font-size: 1.18rem;
  font-weight: 700;
}

.tl-desc,
.tl-list,
.proj-desc,
.proj-points {
  color: var(--muted);
  font-size: .96rem;
}

.tl-list,
.proj-points {
  margin: 12px 0 0 18px;
}

.tl-list li,
.proj-points li { margin-bottom: 6px; }

.tl-tags,
.proj-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tl-tag,
.proj-stack span {
  padding: 4px 9px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: .72rem;
}

.tl-tag {
  border: 1px solid rgba(53, 215, 255, 0.22);
  background: rgba(53, 215, 255, 0.08);
  color: var(--accent-2);
}

/* ============ PROJECTS ============ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.proj {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(16, 23, 32, .82), rgba(7, 10, 15, .78));
  transition: transform .2s, border-color .2s, box-shadow .2s;
}

.proj:hover {
  transform: translateY(-5px);
  border-color: rgba(45, 252, 143, 0.58);
  box-shadow: 0 24px 54px -34px rgba(45, 252, 143, .65);
}

.proj-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.proj-year {
  margin-bottom: 9px;
  color: var(--accent-3);
  font-family: var(--mono);
  font-size: .78rem;
}

.proj-title {
  margin-bottom: 10px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 1.25rem;
}

.proj-stack { margin-bottom: 18px; }

.proj-stack span {
  border: 1px solid rgba(45, 252, 143, 0.22);
  background: rgba(45, 252, 143, 0.08);
  color: var(--accent);
}

.proj-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
}

.proj-actions a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .82rem;
  text-decoration: none;
  transition: color .2s;
}

.proj-actions a:hover { color: var(--accent); }

/* ============ CERTIFICATIONS ============ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.cert {
  position: relative;
  overflow: hidden;
  min-height: 176px;
  padding: 22px;
  transition: transform .2s, border-color .2s, background .2s;
}

.cert:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 180, 84, .58);
  background: rgba(255, 180, 84, 0.055);
}

.cert-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 14px;
  border: 1px solid rgba(255, 180, 84, .28);
  border-radius: var(--radius);
  background: rgba(255, 180, 84, .08);
  color: var(--accent-3);
  font-size: 1.25rem;
}

.cert-title {
  margin-bottom: 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: .98rem;
  font-weight: 800;
}

.cert-issuer {
  color: var(--muted);
  font-size: .84rem;
}

/* ============ CONTACT ============ */
#contact {
  padding-bottom: 70px;
}

.contact-card {
  padding: 44px 0 0;
  border-top: 1px solid var(--line);
}

.contact-title {
  font-size: 2.7rem;
}

.contact-sub {
  max-width: 650px;
  margin-bottom: 30px;
  color: var(--muted);
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 16px;
  color: var(--text);
  font-family: var(--mono);
  font-size: .86rem;
  text-decoration: none;
  transition: transform .2s, border-color .2s, background .2s;
}

a.contact-item:hover {
  transform: translateY(-3px);
  border-color: rgba(45, 252, 143, 0.55);
  background: rgba(45, 252, 143, .055);
}

.contact-item i {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: rgba(45, 252, 143, 0.08);
  color: var(--accent);
}

.contact-item div {
  min-width: 0;
  overflow-wrap: anywhere;
}

.contact-item small {
  display: block;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: .7rem;
  text-transform: uppercase;
}

footer {
  padding: 30px 0;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-family: var(--mono);
  font-size: .78rem;
  text-align: center;
}

/* ============ REVEAL ANIMATION ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .65s ease, transform .65s ease;
}

.reveal-stagger.in > * {
  opacity: 1;
  transform: none;
}

.reveal-stagger.in > *:nth-child(1) { transition-delay: .05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: .1s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: .15s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: .2s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: .25s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: .3s; }
.reveal-stagger.in > *:nth-child(7) { transition-delay: .35s; }
.reveal-stagger.in > *:nth-child(8) { transition-delay: .4s; }
.reveal-stagger.in > *:nth-child(9) { transition-delay: .45s; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }
  .hamburger { display: inline-flex; }
  .mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 14px 20px 18px;
    border-bottom: 1px solid var(--line);
    background: rgba(7, 9, 13, 0.97);
    backdrop-filter: blur(14px);
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a {
    padding: 12px 14px;
    border-radius: var(--radius);
    color: var(--muted);
    font-family: var(--mono);
    font-size: .92rem;
    text-decoration: none;
  }
  .mobile-menu a:hover {
    color: var(--accent);
    background: rgba(45, 252, 143, 0.07);
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual { max-width: 620px; }
  .skills-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cert-grid,
  .contact-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 74px; }
  .nav-inner {
    padding: 14px 18px;
  }
  .nav-cta { display: none; }
  .container { padding: 0 20px; }
  section { padding: 82px 0; }
  .hero-section {
    min-height: auto;
    padding-top: 98px;
  }
  .hero-name { font-size: 3.4rem; }
  .section-title { font-size: 1.95rem; }
  .contact-title { font-size: 2.1rem; }
  .hero-role { font-size: 1rem; }
  .impact-strip,
  .about-stats,
  .skills-grid,
  .projects-grid,
  .cert-grid,
  .contact-list {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .avatar-wrap {
    width: min(220px, 100%);
  }
  .signal-card {
    min-height: 520px;
    padding: 16px;
  }
  .terminal {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }
  .radar {
    width: 240px;
    height: 240px;
  }
}

@media (max-width: 480px) {
  .brand { font-size: .9rem; }
  .hero-name { font-size: 2.7rem; }
  .hero-meta { font-size: .72rem; }
  .terminal-body { font-size: .73rem; padding: 16px; }
  .signal-card { min-height: 500px; }
  .btn { width: 100%; }
  .hero-socials { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }
  #matrix-canvas { display: none; }
}