/* =========================================
   VARIABLES & RESET
   ========================================= */
:root {
  --bg: #070c18;
  --bg-alt: #0b1120;
  --surface: rgba(255,255,255,0.04);
  --surface-h: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-h: rgba(255,255,255,0.14);
  --accent: #4080f0;
  --accent-dim: rgba(64,128,240,0.15);
  --accent-glow: rgba(64,128,240,0.25);
  --teal: #00c4b4;
  --gold: #f0b429;
  --text: #dde5f4;
  --text-2: #7a8ba8;
  --text-3: #3e4f66;
  --nav-h: 64px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.5);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* =========================================
   NAV
   ========================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(7,12,24,0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.logo-dot { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 8px;
  flex: 1;
}
.nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--text); background: var(--surface); }
.nav-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.lang-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  padding: 5px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}
.lang-btn:hover { color: var(--text); border-color: var(--accent); }
.btn-nav {
  padding: 7px 18px;
  background: var(--accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-nav:hover { opacity: 0.88; transform: translateY(-1px); }
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
  background: rgba(7,12,24,0.96);
  gap: 4px;
}
.nm-link {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  transition: all 0.2s;
}
.nm-link:hover { color: var(--text); background: var(--surface); }
.nm-cta { color: var(--accent); margin-top: 8px; }
.nav-mobile.open { display: flex; }

/* =========================================
   HERO
   ========================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(64,128,240,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64,128,240,0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: gridMove 28s linear infinite;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
@keyframes gridMove {
  0% { background-position: 0 0; }
  100% { background-position: 0 48px; }
}
.glow-1 {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(64,128,240,0.12) 0%, transparent 65%);
  top: -80px;
  left: -120px;
  animation: glowPulse 9s ease-in-out infinite alternate;
}
.glow-2 {
  position: absolute;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(0,196,180,0.08) 0%, transparent 65%);
  bottom: -60px;
  right: -60px;
  animation: glowPulse 12s ease-in-out infinite alternate-reverse;
}
@keyframes glowPulse {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.15) translate(20px, 20px); }
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1140px;
  margin: 0 auto;
  padding: 80px 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(64,128,240,0.1);
  border: 1px solid rgba(64,128,240,0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #90b8ff;
  margin-bottom: 28px;
  animation: fadeInDown 0.8s ease both;
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 0 rgba(74,222,128,0.5);
  animation: pulseDot 2s ease infinite;
}
@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(74,222,128,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(74,222,128,0); }
  100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}
.hero-name {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.08;
  letter-spacing: -2px;
  margin-bottom: 20px;
}
.name-1 {
  display: block;
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  color: var(--text);
  animation: fadeInUp 0.8s 0.1s ease both;
}
.name-2 {
  display: block;
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent) 0%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s 0.2s ease both;
}
.hero-title {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 20px;
  height: 36px;
  animation: fadeInUp 0.8s 0.3s ease both;
}
.tw-text { color: var(--text); }
.tw-cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-sub {
  max-width: 560px;
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 36px;
  animation: fadeInUp 0.8s 0.4s ease both;
}
.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.5s ease both;
}
.btn-primary {
  padding: 13px 28px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); opacity: 0.92; }
.btn-ghost {
  padding: 13px 28px;
  background: transparent;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--border-h);
  border-radius: var(--radius);
  transition: all 0.2s;
}
.btn-ghost:hover { background: var(--surface); border-color: var(--accent); color: var(--accent); }
.btn-cv {
  display: flex;
  align-items: center;
  gap: 7px;
}
.clink--cv { border-color: rgba(240,180,41,0.3); color: var(--gold); }
.clink--cv:hover { border-color: var(--gold); background: rgba(240,180,41,0.08); color: var(--gold); }
.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  animation: fadeInUp 1s 1s ease both;
}
.scroll-track {
  width: 2px;
  height: 52px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}
.scroll-thumb {
  width: 100%;
  height: 50%;
  background: var(--accent);
  border-radius: 2px;
  animation: scrollDown 2.5s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(250%); }
}

/* =========================================
   KPIs
   ========================================= */
.kpis {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.kpi-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.kpi {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: 16px 24px;
}
.kpi-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}
.kpi-lbl {
  font-size: 0.82rem;
  color: var(--text-2);
  font-weight: 500;
  letter-spacing: 0.3px;
}
.kpi-sep {
  width: 1px;
  height: 48px;
  background: var(--border);
  flex-shrink: 0;
}

/* =========================================
   SECTIONS
   ========================================= */
.section { padding: 100px 0; }
.bg-alt { background: var(--bg-alt); }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.sec-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.sec-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text);
  margin-bottom: 56px;
  line-height: 1.15;
}

/* =========================================
   ABOUT
   ========================================= */
.about-wrap {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: start;
}
.about-left h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.18;
  margin-bottom: 20px;
  color: var(--text);
}
.about-left p {
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 540px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 5px 14px;
  background: var(--accent-dim);
  border: 1px solid rgba(64,128,240,0.25);
  color: #90b8ff;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 100px;
}
.profile-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: border-color 0.3s;
}
.profile-card:hover { border-color: var(--border-h); }
.profile-ava {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin: 0 auto 16px;
}
.profile-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.profile-role {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 14px;
}
.profile-loc {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 0.82rem;
  color: var(--text-2);
  margin-bottom: 16px;
}
.profile-langs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}
.lang-pill {
  padding: 4px 10px;
  background: var(--surface-h);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--text-2);
}
.profile-cta {
  display: block;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all 0.2s;
}
.profile-cta:hover { opacity: 0.88; transform: translateY(-1px); }

/* =========================================
   TIMELINE
   ========================================= */
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}
.tl-item {
  position: relative;
  margin-bottom: 40px;
}
.tl-item:last-child { margin-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -29px;
  top: 20px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 2px solid var(--border-h);
  z-index: 1;
}
.tl-dot--accent {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
}
.tl-content { padding-left: 4px; }
.tl-period {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.tl-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  transition: border-color 0.3s;
}
.tl-card:hover { border-color: var(--border-h); }
.tl-card--accent {
  border-color: rgba(64,128,240,0.25);
  background: rgba(64,128,240,0.04);
}
.tl-card--accent:hover { border-color: rgba(64,128,240,0.45); }
.tl-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 12px;
}
.tl-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
}
.tl-org { font-size: 0.875rem; color: var(--text-2); font-weight: 500; }
.tl-tag {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}
.tl-tag--new { background: rgba(74,222,128,0.1); color: #4ade80; border: 1px solid rgba(74,222,128,0.25); }
.tl-tag--feat { background: var(--accent-dim); color: #90b8ff; border: 1px solid rgba(64,128,240,0.3); }
.tl-list { padding-left: 0; }
.tl-list li {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
  padding: 4px 0 4px 16px;
  position: relative;
}
.tl-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

/* =========================================
   SKILLS
   ========================================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.3s, transform 0.3s;
}
.skill-card:hover { border-color: var(--border-h); transform: translateY(-3px); }
.sk-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
  display: block;
}
.skill-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
}
.sbars { display: flex; flex-direction: column; gap: 14px; }
.sbar-item {}
.sbar-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-2);
  font-weight: 500;
  margin-bottom: 6px;
}
.sbar {
  height: 5px;
  background: var(--surface-h);
  border-radius: 100px;
  overflow: hidden;
}
.sbar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  border-radius: 100px;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* =========================================
   PROJECTS
   ========================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.proj-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  transition: border-color 0.3s, transform 0.3s;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.proj-card:hover { border-color: var(--border-h); transform: translateY(-4px); }
.proj-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.proj-icon { font-size: 2rem; }
.proj-badges { display: flex; gap: 6px; flex-wrap: wrap; }
.proj-badge {
  padding: 3px 10px;
  background: var(--surface-h);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 100px;
}
.proj-badge--live {
  background: rgba(74,222,128,0.1);
  border-color: rgba(74,222,128,0.3);
  color: #4ade80;
}
.proj-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}
.proj-card p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.7;
}
.proj-stack { display: flex; flex-wrap: wrap; gap: 6px; }
.proj-tech {
  padding: 4px 12px;
  background: var(--accent-dim);
  border: 1px solid rgba(64,128,240,0.2);
  color: #90b8ff;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
}
.proj-tech--claude {
  background: rgba(240,180,41,0.1);
  border-color: rgba(240,180,41,0.3);
  color: var(--gold);
}
.proj-stats {
  display: flex;
  gap: 24px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.proj-stat { text-align: center; }
.pstat-n {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}
.pstat-l { font-size: 0.75rem; color: var(--text-2); }

/* =========================================
   EDUCATION
   ========================================= */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: border-color 0.3s, transform 0.3s;
}
.edu-card:hover { border-color: var(--border-h); transform: translateY(-2px); }
.edu-card--cert { border-color: rgba(64,128,240,0.2); }
.edu-card--cert:hover { border-color: rgba(64,128,240,0.45); }
.edu-ico { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.edu-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 4px;
}
.edu-place { font-size: 0.8rem; color: var(--text-2); margin-bottom: 8px; }
.cert-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--accent-dim);
  color: #90b8ff;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 6px;
  border: 1px solid rgba(64,128,240,0.25);
}

/* =========================================
   CONTACT
   ========================================= */
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 60px;
  text-align: center;
}
.contact-card h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text);
  margin-bottom: 14px;
}
.contact-sub {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 440px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.clinks { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.clink {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  background: var(--surface-h);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: all 0.2s;
}
.clink:hover { color: var(--text); border-color: var(--accent); background: var(--accent-dim); }

/* =========================================
   FOOTER
   ========================================= */
.footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-2);
}
.footer-copy { font-size: 0.8rem; color: var(--text-3); }

/* =========================================
   CHAT FAB
   ========================================= */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 20px 13px 16px;
  background: var(--accent);
  color: #fff;
  border-radius: 100px;
  cursor: pointer;
  box-shadow: 0 6px 28px var(--accent-glow);
  transition: all 0.3s;
  user-select: none;
}
.fab:hover { transform: translateY(-3px); box-shadow: 0 10px 36px var(--accent-glow); }
.fab-ico { display: block; flex-shrink: 0; }
.fab-ico--x { display: none; }
.fab-lbl { font-size: 0.875rem; font-weight: 700; }
.fab-ping {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 14px;
  height: 14px;
  background: #4ade80;
  border-radius: 50%;
  border: 2px solid var(--bg);
}
.fab-ping::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: rgba(74,222,128,0.4);
  animation: pingRipple 2s ease-out infinite;
}
@keyframes pingRipple {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2.4); opacity: 0; }
}
.fab.open .fab-ico--msg { display: none; }
.fab.open .fab-ico--x { display: block; }

/* =========================================
   CHAT PANEL
   ========================================= */
.cp {
  position: fixed;
  bottom: 90px;
  right: 28px;
  z-index: 199;
  width: 360px;
  max-height: 540px;
  background: #0f1829;
  border: 1px solid var(--border-h);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.9) translateY(16px);
  opacity: 0;
  pointer-events: none;
  transform-origin: bottom right;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.cp.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}
.cp-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  flex-shrink: 0;
}
.cp-ava {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.cp-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}
.cp-ai { color: var(--text-2); font-weight: 400; }
.cp-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--text-2);
}
.online-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ade80;
  animation: pulseDot 2.5s ease infinite;
}
.cp-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-2);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: all 0.2s;
}
.cp-close:hover { color: var(--text); background: var(--surface); }
.cp-msgs {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}
.cp-msgs::-webkit-scrollbar { width: 4px; }
.cp-msgs::-webkit-scrollbar-track { background: transparent; }
.cp-msgs::-webkit-scrollbar-thumb { background: var(--border-h); border-radius: 4px; }
.msg {
  max-width: 85%;
  animation: msgIn 0.3s ease;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.msg--bot { align-self: flex-start; }
.msg--user { align-self: flex-end; }
.msg-bubble {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.875rem;
  line-height: 1.55;
  white-space: pre-line;
}
.msg--bot .msg-bubble {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text);
  border-bottom-left-radius: 4px;
}
.msg--user .msg-bubble {
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 10px 14px;
}
.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-3);
  animation: typingBounce 1.2s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}
.cp-suggs {
  padding: 0 16px 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sugg {
  padding: 5px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.78rem;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s;
}
.sugg:hover { color: var(--text); border-color: var(--accent); background: var(--accent-dim); }
.cp-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.cp-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.875rem;
  font-family: 'Inter', sans-serif;
  padding: 9px 14px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s;
}
.cp-input::placeholder { color: var(--text-3); }
.cp-input:focus { border-color: var(--accent); }
.cp-send {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.2s, transform 0.2s;
}
.cp-send:hover { opacity: 0.88; transform: scale(1.05); }

/* =========================================
   REVEAL ANIMATIONS
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 900px) {
  .about-wrap { grid-template-columns: 1fr; }
  .about-right { display: flex; justify-content: center; }
  .profile-card { max-width: 320px; width: 100%; }
  .skills-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .proj-card .proj-stats { gap: 16px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-right .btn-nav { display: none; }
  .nav-burger { display: flex; }
  .nav-right { margin-left: auto; }
  .section { padding: 72px 0; }
  .edu-grid { grid-template-columns: 1fr; }
  .kpi-sep { display: none; }
  .kpi-row { justify-content: space-around; }
  .contact-card { padding: 40px 28px; }
  .cp { width: calc(100vw - 32px); right: 16px; }
  .fab { right: 20px; bottom: 20px; }
}
@media (max-width: 480px) {
  .hero-inner { padding: 60px 20px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn-primary, .hero-cta .btn-ghost { text-align: center; }
  .clinks { flex-direction: column; align-items: center; }
  .footer-inner { justify-content: center; text-align: center; }
}