/* ==========================================================================
   Y TRAN TRUNG NGUYEN KBUOR — PERSONAL LANDING PAGE
   Modern Tech · Dark mode · Neon (red + cyan)
   ========================================================================== */

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { background: none; border: 0; cursor: pointer; font: inherit; color: inherit; }
ul, ol { list-style: none; }

/* ----------  TOKENS  ---------- */
:root {
  --bg:        #07090f;
  --bg-2:      #0b1020;
  --bg-3:      #0f1428;
  --panel:     rgba(255,255,255,0.03);
  --panel-2:   rgba(255,255,255,0.05);
  --border:    rgba(255,255,255,0.08);
  --border-2:  rgba(255,255,255,0.14);

  --text:      #e6e9f2;
  --text-dim:  #9aa3b8;
  --text-mute: #6b7489;

  --red:       #ef4444;
  --red-2:     #dc2626;
  --red-glow:  rgba(239, 68, 68, 0.55);
  --cyan:      #22d3ee;
  --cyan-2:    #06b6d4;
  --cyan-glow: rgba(34, 211, 238, 0.45);
  --violet:    #8b5cf6;

  --gradient:  linear-gradient(135deg, var(--red) 0%, #b91c1c 40%, var(--cyan-2) 120%);
  --gradient-soft: linear-gradient(135deg, rgba(239,68,68,0.12), rgba(34,211,238,0.12));

  --radius:    14px;
  --radius-lg: 22px;

  --font:      'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  --container: 1200px;
  --nav-h:     72px;

  --shadow-1:  0 4px 24px rgba(0,0,0,0.25);
  --shadow-2:  0 16px 48px rgba(0,0,0,0.45);
}

/* ----------  BASE  ---------- */
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  line-height: 1.6;

  /* layered ambient background glow */
  background-image:
    radial-gradient(1200px 700px at 85% -10%, rgba(239,68,68,0.18), transparent 60%),
    radial-gradient(900px 600px at -10% 20%, rgba(34,211,238,0.12), transparent 55%),
    radial-gradient(800px 500px at 50% 120%, rgba(139,92,246,0.10), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 60%, var(--bg) 100%);
}

::selection { background: var(--red); color: #fff; }

/* Subtle grid overlay behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 50%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 50%, transparent 85%);
  pointer-events: none;
  z-index: -2;
}

#particles-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ----------  SCROLL PROGRESS BAR  ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--red), var(--cyan));
  box-shadow: 0 0 10px var(--red-glow);
  z-index: 1000;
  transition: width 0.08s linear;
}

/* ----------  NAV  ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  background: rgba(7, 9, 15, 0.55);
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.nav.is-scrolled {
  background: rgba(7, 9, 15, 0.85);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
}
.nav__inner {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.nav__logo-mark {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--gradient);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 6px 18px var(--red-glow);
  position: relative;
}
.nav__logo-mark::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 12px;
  border: 1px solid var(--red);
  opacity: 0.35;
}
.nav__logo-text span { color: var(--text-dim); font-weight: 400; }

.nav__links {
  display: flex;
  gap: 0.4rem;
  margin-left: auto;
}
.nav__links a {
  position: relative;
  padding: 0.55rem 0.9rem;
  font-size: 0.92rem;
  color: var(--text-dim);
  border-radius: 8px;
  transition: color 0.25s, background 0.25s;
}
.nav__links a::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width 0.25s;
  border-radius: 2px;
}
.nav__links a:hover,
.nav__links a.is-active {
  color: var(--text);
  background: var(--panel);
}
.nav__links a:hover::before,
.nav__links a.is-active::before {
  width: 60%;
}

.nav__burger {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  position: relative;
  margin-left: auto;
}
.nav__burger span {
  position: absolute;
  left: 10px; right: 10px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s, top 0.3s;
}
.nav__burger span:nth-child(1) { top: 13px; }
.nav__burger span:nth-child(2) { top: 19px; }
.nav__burger span:nth-child(3) { top: 25px; }
.nav__burger.is-open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* ----------  BUTTONS  ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: transform 0.25s cubic-bezier(.2,.8,.2,1), box-shadow 0.25s, background 0.25s, border-color 0.25s;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 10px 30px var(--red-glow), inset 0 0 0 1px rgba(255,255,255,0.08);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px var(--red-glow), inset 0 0 0 1px rgba(255,255,255,0.12);
}
.btn--ghost {
  background: var(--panel);
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover {
  transform: translateY(-2px);
  background: var(--panel-2);
  border-color: var(--border-2);
  box-shadow: 0 10px 30px rgba(0,0,0,0.45);
}
.btn--block {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: 1.1rem;
}

.link {
  color: var(--text);
  border-bottom: 1px dashed rgba(239,68,68,0.5);
  transition: color 0.2s, border-color 0.2s;
}
.link:hover { color: var(--red); border-bottom-color: var(--red); }

/* ----------  HERO  ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--nav-h) + 4rem) 0 5rem;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 400px at 80% 30%, rgba(239,68,68,0.25), transparent 60%),
    radial-gradient(500px 400px at 20% 70%, rgba(34,211,238,0.18), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-bottom: 1.75rem;
}

.pulse-dot {
  width: 8px; height: 8px;
  background: #10b981;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
  0%   { box-shadow: 0 0 0 0   rgba(16, 185, 129, 0.6); }
  70%  { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0   rgba(16, 185, 129, 0); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4.25rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.hero__hello {
  display: block;
  font-size: 0.5em;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 0.3rem;
  letter-spacing: 0;
}
.hero__name {
  background: linear-gradient(120deg, #fff 20%, var(--red) 60%, var(--cyan) 110%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 100%;
  animation: shine 6s linear infinite;
}
@keyframes shine {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.hero__role {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 1.8em;
}
.hero__role .prompt { color: var(--red); font-weight: 700; }
.typewriter { color: var(--cyan); }
.cursor {
  display: inline-block;
  width: 0.45em;
  color: var(--red);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__subtitle {
  margin-top: 1.5rem;
  color: var(--text-dim);
  max-width: 620px;
  font-size: 1.02rem;
}
.hero__subtitle strong { color: var(--text); font-weight: 600; }

.hero__cta {
  margin-top: 2rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.hero__stats {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  max-width: 560px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s;
}
.stat::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-soft);
  opacity: 0;
  transition: opacity 0.3s;
}
.stat:hover {
  transform: translateY(-4px);
  border-color: var(--border-2);
}
.stat:hover::before { opacity: 1; }
.stat__num {
  position: relative;
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text);
  background: linear-gradient(120deg, var(--red), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat__label {
  position: relative;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

/* Hero right — avatar ring */
.hero__right {
  display: flex;
  justify-content: center;
  position: relative;
}
.avatar {
  position: relative;
  width: min(420px, 100%);
  aspect-ratio: 1;
}
.avatar__glow {
  position: absolute;
  inset: -14%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239,68,68,0.32), transparent 60%);
  filter: blur(18px);
  animation: glow-pulse 5s ease-in-out infinite;
}
@keyframes glow-pulse {
  0%,100% { opacity: 0.7; transform: scale(1); }
  50%     { opacity: 1;   transform: scale(1.05); }
}
.avatar__ring {
  position: absolute;
  inset: 0;
  border: 1.5px dashed rgba(239,68,68,0.45);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}
.avatar__ring--2 {
  inset: 8%;
  border: 1px dashed rgba(34,211,238,0.45);
  animation-duration: 20s;
  animation-direction: reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }

.avatar__frame {
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 0 3px rgba(255,255,255,0.05),
    0 20px 60px rgba(239,68,68,0.35),
    inset 0 0 0 2px rgba(255,255,255,0.06);
  background: linear-gradient(135deg, #1a1d2b, #0a0d18);
}
.avatar__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(.2,.8,.2,1);
}
.avatar:hover .avatar__img { transform: scale(1.05); }

.avatar__badge {
  position: absolute;
  width: 50px; height: 50px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: rgba(17, 20, 35, 0.85);
  border: 1px solid var(--border-2);
  backdrop-filter: blur(10px);
  font-size: 1.15rem;
  box-shadow: 0 10px 28px rgba(0,0,0,0.5);
  animation: float 4s ease-in-out infinite;
}
.avatar__badge--cloud  { top: 5%; left: -4%; color: var(--cyan); animation-delay: 0s; }
.avatar__badge--k8s    { top: 45%; right: -6%; color: var(--red); animation-delay: 1.2s; }
.avatar__badge--shield { bottom: 8%; left: 4%; color: #10b981;    animation-delay: 2.4s; }
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-10px); }
}

/* Hero scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; font-family: var(--font-mono);
  color: var(--text-mute);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 2;
}
.hero__scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--red), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  top: -40%;
  left: 0; right: 0;
  height: 40%;
  background: var(--cyan);
  animation: line-drop 2s ease-in-out infinite;
}
@keyframes line-drop {
  0%   { top: -40%; }
  100% { top: 100%; }
}

/* ----------  SECTION (generic)  ---------- */
.section {
  padding: 7rem 0;
  position: relative;
}
.section--alt {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.015), transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}
.section__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--red);
  letter-spacing: 0.2em;
  margin-bottom: 0.8rem;
}
.section__num::before { content: "// "; color: var(--text-mute); }
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.section__sub {
  margin-top: 0.9rem;
  color: var(--text-dim);
  font-size: 1.02rem;
}

/* ----------  ABOUT  ---------- */
.about {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.about__bio {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(10px);

  /* modern reading font + justified alignment */
  font-family: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  font-size: 1.02rem;
  letter-spacing: -0.005em;
}
.about__bio p {
  color: var(--text-dim);
  margin-bottom: 1rem;
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
  line-height: 1.75;
}
.about__bio p strong { color: var(--text); font-weight: 600; }
.about__bio p:last-of-type { margin-bottom: 1.6rem; }

.about__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(239,68,68,0.08);
  color: var(--text);
  border: 1px solid rgba(239,68,68,0.25);
  transition: background 0.2s, transform 0.2s;
}
.tag:hover { background: rgba(239,68,68,0.18); transform: translateY(-2px); }
.tag i { color: var(--red); font-size: 0.8rem; }

.about__card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(10px);
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
}
.about__card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.about__card h3::before {
  content: "";
  width: 4px; height: 18px; border-radius: 2px;
  background: var(--gradient);
}
.kv {
  display: flex; flex-direction: column; gap: 0.1rem;
}
.kv li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.92rem;
}
.kv li:last-child { border-bottom: 0; }
.kv__k { color: var(--text-dim); display: inline-flex; gap: 0.5rem; align-items: center; }
.kv__k i { color: var(--red); }
.kv__v { color: var(--text); font-weight: 500; display: inline-flex; gap: 0.4rem; align-items: center; }

/* ----------  EXPERIENCE (timeline)  ---------- */
.timeline {
  position: relative;
  padding-left: 3rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 14px; top: 12px; bottom: 12px;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--red), var(--cyan), transparent);
  opacity: 0.5;
}
.timeline__item {
  position: relative;
  padding-bottom: 2.5rem;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot {
  position: absolute;
  left: -3rem;
  top: 14px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg-3);
  border: 2px solid var(--red);
  color: var(--red);
  display: grid; place-items: center;
  font-size: 0.85rem;
  box-shadow: 0 0 0 6px rgba(239,68,68,0.10), 0 0 24px var(--red-glow);
  z-index: 2;
}
.timeline__card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(8px);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}
.timeline__card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--gradient);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s;
}
.timeline__card:hover {
  transform: translateX(6px);
  border-color: var(--border-2);
  box-shadow: var(--shadow-2);
}
.timeline__card:hover::before { transform: scaleY(1); }

.timeline__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.timeline__headline {
  display: flex;
  gap: 0.95rem;
  align-items: center;
  flex: 1 1 340px;
  min-width: 0;
}
.company-logo {
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 6px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
  transition: transform 0.3s;
}
.company-logo:hover { transform: scale(1.05) rotate(-2deg); }
.company-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.company-logo .company-logo__fallback { display: none; }
.company-logo.is-missing {
  background: var(--panel);
  border-color: var(--border-2);
  color: var(--red);
  font-size: 1.35rem;
  padding: 0;
}
.company-logo.is-missing .company-logo__fallback { display: inline-flex; }

.timeline__role {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.timeline__company {
  color: var(--red);
  font-size: 0.95rem;
  font-weight: 500;
  border-bottom: 1px dashed transparent;
  transition: border-color 0.2s;
}
.timeline__company:hover { border-bottom-color: var(--red); }
.timeline__meta {
  display: flex; flex-direction: column; align-items: flex-end; gap: 0.35rem;
}
.timeline__dates { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-dim); }
.timeline__type {
  font-size: 0.72rem; font-family: var(--font-mono); color: var(--text-mute);
  padding: 0.15rem 0.55rem; border: 1px solid var(--border); border-radius: 999px;
}

.chip {
  display: inline-block;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.chip--live {
  background: rgba(16,185,129,0.12);
  border-color: rgba(16,185,129,0.35);
  color: #34d399;
}
.chip--live::before {
  content: "●";
  margin-right: 0.3rem;
  animation: blink 1.4s infinite;
}

.timeline__list {
  display: flex; flex-direction: column; gap: 0.5rem;
  color: var(--text-dim);
}
.timeline__list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.94rem;
}
.timeline__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--red);
}
.timeline__highlight {
  margin-top: 1.1rem;
  padding: 0.75rem 1rem;
  background: rgba(239,68,68,0.07);
  border-left: 2px solid var(--red);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.92rem;
}
.timeline__highlight i { color: var(--red); margin-right: 0.4rem; }

/* ----------  SKILLS  ---------- */
.skills {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
}
.skills__bars {
  display: flex; flex-direction: column; gap: 1.25rem;
}
.bar__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.45rem;
}
.bar__name {
  display: inline-flex; gap: 0.55rem; align-items: center;
  font-weight: 500; font-size: 0.95rem;
}
.bar__name i { color: var(--red); font-size: 1rem; }
.bar__val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan);
}
.bar__track {
  height: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.bar__fill {
  width: 0;
  height: 100%;
  background: var(--gradient);
  box-shadow: 0 0 12px var(--red-glow);
  border-radius: 999px;
  position: relative;
  transition: width 1.4s cubic-bezier(.2,.8,.2,1);
}
.bar__fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  animation: bar-shine 2.4s ease-in-out infinite;
}
@keyframes bar-shine {
  0%,100% { transform: translateX(-100%); }
  60%,100%     { transform: translateX(100%); }
}

.skills__side {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.skills__side h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.9rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.skills__side h3::before {
  content: "";
  width: 4px; height: 18px; border-radius: 2px; background: var(--gradient);
}
.skills__side h3:not(:first-child) { margin-top: 1.6rem; }

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip--attr {
  background: rgba(34,211,238,0.08);
  border-color: rgba(34,211,238,0.25);
  color: var(--text);
  padding: 0.35rem 0.7rem;
  font-family: var(--font);
  font-size: 0.85rem;
  transition: background 0.2s, transform 0.2s;
}
.chip--attr:hover { background: rgba(34,211,238,0.18); transform: translateY(-2px); }

.langs { display: flex; flex-direction: column; gap: 0.8rem; }
.langs li {
  display: flex; align-items: center; gap: 0.9rem;
  padding: 0.6rem 0.8rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.langs__flag { font-size: 1.5rem; }
.langs strong { display: block; font-weight: 600; }
.langs em { font-style: normal; color: var(--text-dim); font-size: 0.82rem; }

/* ----------  CERTIFICATIONS  ---------- */
.certs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
@media (max-width: 980px) {
  .certs { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .certs { grid-template-columns: 1fr; }
}
.cert {
  --c: var(--red);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}
.cert::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(var(--c-r, 239), var(--c-g, 68), var(--c-b, 68), 0.15), transparent 60%);
  opacity: 0; transition: opacity 0.3s;
}
.cert:hover { transform: translateY(-6px); border-color: var(--c); box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
.cert:hover::before { opacity: 1; }
.cert:hover .cert__badge img { transform: scale(1.08) rotate(-3deg); }
.cert:hover .cert__fallback { transform: rotateY(360deg); }

.cert__badge {
  width: 120px;
  height: 120px;
  margin: 0 auto 1.1rem;
  display: grid;
  place-items: center;
  position: relative;
}
.cert__badge img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.55));
  transition: transform 0.5s cubic-bezier(.2,.8,.2,1);
}
.cert__badge .cert__fallback { display: none; }
.cert__badge.is-missing {
  width: 72px; height: 72px;
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--c);
  font-size: 2rem;
  transition: transform 0.7s;
}
.cert__badge.is-missing .cert__fallback { display: inline-flex; }
.cert h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}
.cert p { color: var(--text-dim); font-size: 0.88rem; }

/* ----------  EDUCATION  ---------- */
.edu {
  max-width: 820px;
  margin-inline: auto;
  display: flex; gap: 1.5rem; align-items: center;
  padding: 1.75rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.edu:hover {
  transform: translateY(-4px);
  border-color: var(--border-2);
  box-shadow: var(--shadow-2);
}
.edu__mark {
  flex: 0 0 auto;
  width: 88px; height: 88px;
  border-radius: 20px;
  display: grid; place-items: center;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  overflow: hidden;
  padding: 10px;
}
.edu__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.edu__mark .edu__fallback { display: none; }
.edu__mark.is-missing {
  background: var(--gradient);
  color: #fff;
  font-size: 1.8rem;
  border: 0;
  padding: 0;
  box-shadow: 0 10px 30px var(--red-glow);
}
.edu__mark.is-missing .edu__fallback { display: inline-flex; }
.edu__body h3 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 0.25rem; }
.edu__body p { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 0.2rem; }
.edu__meta { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-mute) !important; }

/* ----------  CONTACT  ---------- */
.section--contact { position: relative; }
.contact__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 400px at 20% 20%, rgba(239,68,68,0.18), transparent 60%),
    radial-gradient(700px 400px at 80% 80%, rgba(34,211,238,0.14), transparent 60%);
  pointer-events: none;
}
.contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  max-width: 980px;
  margin: 0 auto;
}
.contact__card {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.5rem;
  padding: 2rem 1.5rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  text-align: center;
}
.contact__card:hover {
  transform: translateY(-6px);
  border-color: var(--red);
  box-shadow: 0 20px 40px rgba(239,68,68,0.18);
}
.contact__card i {
  font-size: 1.6rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.contact__card strong { font-weight: 600; font-size: 0.95rem; }
.contact__card span { color: var(--text-dim); font-size: 0.88rem; word-break: break-word; }

/* ----------  FOOTER  ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: rgba(7,9,15,0.6);
}
.footer__inner {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-dim);
  font-size: 0.88rem;
  text-align: center;
}
.footer__inner p { margin: 0; }
.footer__top {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--border);
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.footer__top:hover {
  background: var(--gradient);
  transform: translateY(calc(-50% - 4px));
  box-shadow: 0 10px 24px var(--red-glow);
}
@media (max-width: 560px) {
  .footer__top {
    position: static;
    transform: none;
    margin-top: 0.5rem;
  }
  .footer__top:hover {
    transform: translateY(-4px);
  }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; gap: 2.5rem; text-align: left; }
  .hero__right { order: -1; }
  .avatar { max-width: 280px; }
  .about { grid-template-columns: 1fr; }
  .about__card { position: static; }
  .skills { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
    background: rgba(7,9,15,0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }
  .nav__links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__links li { width: 100%; text-align: center; }
  .nav__links a { display: block; padding: 0.9rem 1rem; border-radius: 0; }
  .nav__cta { display: none; }
  .nav__burger { display: block; margin-left: auto; }

  .hero__stats { grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
  .stat { padding: 0.7rem; }
  .stat__num { font-size: 1.35rem; }
  .stat__label { font-size: 0.72rem; }

  .section { padding: 5rem 0; }
  .section__header { margin-bottom: 2.5rem; }

  .timeline { padding-left: 2.5rem; }
  .timeline__dot { left: -2.5rem; width: 28px; height: 28px; font-size: 0.75rem; }
  .timeline__card { padding: 1.25rem; }
  .timeline__header { flex-direction: column; }
  .timeline__headline { flex: 1 1 100%; }
  .company-logo { width: 48px; height: 48px; border-radius: 12px; padding: 5px; }
  .timeline__meta { align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
  .cert__badge { width: 110px; height: 110px; }

  .edu { flex-direction: column; text-align: center; }
}

@media (max-width: 440px) {
  .hero__cta .btn { flex: 1 0 auto; justify-content: center; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .hero__stats .stat:last-child { grid-column: span 2; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01s !important;
    transition-duration: 0.01s !important;
  }
  #particles-canvas { display: none; }
}