/* ═══════════════════════════════════════
   HIMANSHU KALA — style.css v2
   Theme: Dark Tech · Cyan Accents
═══════════════════════════════════════ */

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

:root {
  --bg:      #07070d;
  --bg2:     #0d0d18;
  --bg3:     #0f0f1c;
  --bg4:     #12121f;
  --cyan:    #00d4ff;
  --cyan-dim:#00a8cc;
  --cyan-glow: rgba(0,212,255,0.12);
  --green:   #39ff14;
  --text:    #e8eaf0;
  --text2:   #8892a8;
  --text3:   #555e72;
  --border:  rgba(0,212,255,0.18);
  --border2: rgba(0,212,255,0.08);
  --mono:    'JetBrains Mono', monospace;
  --orb:     'Orbitron', sans-serif;
  --body:    'Barlow', sans-serif;
}

html { scroll-behavior: smooth; }
section, #hero { scroll-margin-top: 64px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  line-height: 1.7;
  font-size: 15px;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 2px; }

.scanlines {
  position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px);
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── NAV ─────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(7,7,13,0.9); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); transition: background 0.3s;
}
.nav-inner {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 32px; height: 64px; max-width: 1300px; margin: 0 auto;
}
.nav-logo {
  font-family: var(--orb); font-size: 1.1rem; font-weight: 700;
  color: var(--cyan); text-decoration: none; letter-spacing: 0.05em;
  flex-shrink: 0;
}
.nav-logo .logo-bracket { color: var(--text2); }

.nav-links {
  display: flex; align-items: center; gap: 1.6rem;
}
.nav-links a {
  color: var(--text2); text-decoration: none; font-size: 0.78rem;
  font-weight: 500; letter-spacing: 0.05em; transition: color 0.2s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--cyan); }

.nav-cta {
  color: var(--cyan) !important;
  border: 1px solid rgba(0,212,255,0.4);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
}
.nav-cta:hover { background: var(--cyan-glow) !important; }

.nav-resume-btn {
  background: var(--cyan) !important; color: var(--bg) !important;
  padding: 0.35rem 0.9rem; border-radius: 4px;
  font-family: var(--mono) !important; font-size: 0.72rem !important;
  font-weight: 700 !important; transition: background 0.2s !important;
}
.nav-resume-btn:hover { background: var(--cyan-dim) !important; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text2); transition: all 0.3s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 100px 32px 60px; position: relative; overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(0,212,255,0.12) 1px, transparent 1px);
  background-size: 32px 32px; opacity: 0.5;
}
.hero-glow {
  position: absolute; top: 10%; right: 8%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,212,255,0.04) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 2; width: 100%; max-width: 1200px;
  margin: 0 auto; display: grid; grid-template-columns: 1fr 420px; gap: 4rem; align-items: center;
}

/* LEFT */
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--cyan); background: var(--cyan-glow);
  border: 1px solid rgba(0,212,255,0.3); padding: 0.35rem 1rem;
  border-radius: 2px; margin-bottom: 1.5rem; font-family: var(--mono);
}
.badge-dot {
  width: 7px; height: 7px; background: var(--green);
  border-radius: 50%; animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.5;transform:scale(0.8);} }

.hero-name {
  font-family: var(--orb); font-size: clamp(3rem,7vw,5.5rem);
  font-weight: 900; line-height: 1; letter-spacing: 0.02em; margin-bottom: 1.2rem;
}
.name-first { color: var(--text); }
.name-last  { color: var(--cyan); }

.hero-role {
  font-family: var(--mono); font-size: 1rem; color: var(--text2);
  margin-bottom: 1.2rem; min-height: 1.8rem;
}
.role-prefix { color: var(--cyan); }

.cursor-blink { color: var(--cyan); animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0;} }

.hero-desc {
  font-size: 0.9rem; color: var(--text2); margin-bottom: 2rem;
  max-width: 500px; line-height: 1.8;
}

.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-bottom: 2.5rem; }

.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.65rem 1.4rem; border-radius: 4px;
  font-family: var(--mono); font-size: 0.76rem; font-weight: 600;
  text-decoration: none; cursor: pointer; border: none;
  transition: all 0.2s; letter-spacing: 0.04em;
}
.btn--primary { background: var(--cyan); color: var(--bg); font-weight: 700; }
.btn--primary:hover { background: var(--cyan-dim); }
.btn--ghost { background: transparent; color: var(--cyan); border: 1px solid rgba(0,212,255,0.5); }
.btn--ghost:hover { background: var(--cyan-glow); }

.hero-stats { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.stat { text-align: left; }
.stat-num { display: block; font-family: var(--orb); font-size: 1.6rem; font-weight: 700; color: var(--cyan); line-height: 1; }
.stat-label { display: block; font-size: 0.65rem; color: var(--text2); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 0.25rem; }
.stat-sep { color: var(--text3); font-family: var(--mono); }

/* SYSTEM CARD (right) */
.sys-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.8rem; position: relative; overflow: hidden;
}
.sys-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}
.sys-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.sys-title { font-family: var(--mono); font-size: 0.68rem; color: var(--cyan); letter-spacing: 0.12em; }
.sys-online { font-family: var(--mono); font-size: 0.65rem; color: var(--green); }

.sys-row { display: flex; align-items: center; gap: 1rem; padding: 0.9rem 0; border-bottom: 1px solid var(--border2); }
.sys-row:last-of-type { border-bottom: none; }
.sys-icon-wrap {
  width: 38px; height: 38px; background: var(--bg4); border: 1px solid var(--border2);
  border-radius: 6px; display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.sys-num { font-family: var(--orb); font-size: 1.5rem; font-weight: 700; color: var(--text); line-height: 1; }
.sys-lbl { font-size: 0.62rem; color: var(--text2); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 0.15rem; }

.sys-terminal { margin-top: 1.2rem; padding: 1rem; background: var(--bg); border-radius: 6px; border: 1px solid var(--border2); }
.sys-term-row { font-family: var(--mono); font-size: 0.72rem; color: var(--text2); margin-bottom: 0.3rem; }
.sys-term-row:last-child { margin-bottom: 0; }
.t-cyan { color: var(--cyan); }
.t-green { color: var(--green); }

.sys-skills { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.sys-skill-tag {
  font-size: 0.65rem; padding: 0.25rem 0.6rem;
  background: var(--cyan-glow); border: 1px solid rgba(0,212,255,0.2);
  color: var(--cyan); border-radius: 3px; font-family: var(--mono);
}

/* SCROLL INDICATOR */
.scroll-ind {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text3);
}
.scroll-line { width: 1px; height: 36px; background: linear-gradient(var(--text3), transparent); }

/* ── SECTIONS ────────────────────────── */
.section { padding: 6rem 0; }
.section--alt { background: var(--bg2); }
.section-label {
  font-family: var(--mono); font-size: 0.72rem; color: var(--cyan);
  letter-spacing: 0.12em; margin-bottom: 0.5rem;
}
.section-title {
  font-family: var(--orb); font-size: clamp(1.6rem,3vw,2.2rem);
  font-weight: 700; color: var(--text); margin-bottom: 2.5rem; letter-spacing: 0.02em;
}

/* ── ABOUT ───────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: start; }
.about-text p { color: var(--text2); margin-bottom: 1rem; font-size: 0.92rem; line-height: 1.8; }
.about-contacts { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.4rem; }
.ac-row { display: flex; align-items: center; gap: 1rem; padding: 0.5rem 0; border-bottom: 1px solid var(--border2); font-size: 0.82rem; }
.ac-key { font-family: var(--mono); font-size: 0.68rem; color: var(--text2); min-width: 80px; letter-spacing: 0.05em; }
.ac-val, .ac-val a { color: var(--cyan); text-decoration: none; font-size: 0.82rem; }
.ac-val a:hover { text-decoration: underline; }

.info-card { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.info-card-title {
  font-family: var(--mono); font-size: 0.65rem; color: var(--cyan);
  letter-spacing: 0.15em; padding: 0.8rem 1rem;
  background: var(--bg4); border-bottom: 1px solid var(--border);
}
.info-row { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border2); font-size: 0.82rem; }
.info-key { color: var(--text2); font-family: var(--mono); font-size: 0.72rem; }
.info-val { color: var(--text); font-weight: 500; }
.status-open { color: var(--green); font-family: var(--mono); font-size: 0.75rem; }

/* ── SKILLS ──────────────────────────── */
.skills-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.skill-group { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; transition: border-color 0.2s; }
.skill-group:hover { border-color: var(--cyan); }
.skill-group-title { font-family: var(--mono); font-size: 0.68rem; color: var(--cyan); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 1rem; }
.skill-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-tag { font-size: 0.72rem; padding: 0.3rem 0.75rem; background: var(--bg4); border: 1px solid var(--border); color: var(--text2); border-radius: 3px; transition: all 0.2s; }
.skill-tag:hover { border-color: var(--cyan); color: var(--cyan); }

/* ── EXPERIENCE ──────────────────────── */
.exp-card { background: var(--bg3); border: 1px solid var(--border); border-left: 3px solid var(--cyan); border-radius: 8px; padding: 2rem; }
.exp-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem; }
.exp-period { font-family: var(--mono); font-size: 0.7rem; color: var(--cyan); margin-bottom: 0.3rem; }
.exp-company { font-family: var(--orb); font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 0.2rem; }
.exp-via { font-size: 0.75rem; color: var(--cyan); font-family: var(--body); font-weight: 400; }
.exp-type { font-size: 0.75rem; color: var(--text2); }
.exp-role-badge { background: var(--cyan-glow); border: 1px solid var(--border); color: var(--cyan); font-family: var(--mono); font-size: 0.72rem; padding: 0.4rem 1rem; border-radius: 4px; white-space: nowrap; }
.exp-sub { font-family: var(--mono); font-size: 0.65rem; color: var(--cyan); letter-spacing: 0.15em; text-transform: uppercase; margin: 1.2rem 0 0.6rem; }
.exp-list { padding-left: 1.2rem; }
.exp-list li { font-size: 0.84rem; color: var(--text2); margin-bottom: 0.5rem; line-height: 1.7; }
.exp-list li::marker { color: var(--cyan); }

/* ── EDUCATION ───────────────────────── */
.edu-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.2rem; }
.edu-card { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; transition: border-color 0.2s; }
.edu-card:hover { border-color: var(--cyan); }
.edu-card--certified { border-left: 3px solid var(--cyan); }
.edu-cert-badge { display: inline-flex; align-items: center; gap: 0.3rem; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--green); background: rgba(57,255,20,0.08); border: 1px solid rgba(57,255,20,0.2); padding: 0.2rem 0.6rem; border-radius: 3px; margin-bottom: 0.6rem; }
.edu-year { font-family: var(--mono); font-size: 0.68rem; color: var(--cyan); margin-bottom: 0.4rem; }
.edu-degree { font-weight: 600; font-size: 0.9rem; color: var(--text); margin-bottom: 0.3rem; }
.edu-inst { font-size: 0.78rem; color: var(--cyan); margin-bottom: 0.25rem; }
.edu-detail { font-size: 0.75rem; color: var(--text2); margin-bottom: 0.5rem; }
.cert-btn { display: inline-flex; align-items: center; gap: 0.4rem; background: var(--cyan); color: var(--bg); padding: 0.45rem 1rem; font-family: var(--mono); font-size: 0.7rem; font-weight: 700; border: none; border-radius: 4px; cursor: pointer; margin-top: 0.8rem; transition: background 0.2s; }
.cert-btn:hover { background: var(--cyan-dim); }

/* ── PROJECTS ────────────────────────── */
.projects-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.project-card { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 1.8rem; transition: transform 0.2s, border-color 0.2s; }
.project-card:hover { transform: translateY(-4px); border-color: var(--cyan); }
.project-card--featured { border-top: 2px solid var(--cyan); }
.project-type { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.15em; color: var(--cyan); background: var(--cyan-glow); border: 1px solid rgba(0,212,255,0.25); display: inline-block; padding: 0.2rem 0.6rem; border-radius: 3px; margin-bottom: 0.8rem; }
.project-title { font-family: var(--orb); font-size: 0.88rem; color: var(--text); margin-bottom: 0.7rem; line-height: 1.4; }
.project-desc { font-size: 0.82rem; color: var(--text2); margin-bottom: 0.8rem; line-height: 1.7; }
.project-points { padding-left: 1.2rem; }
.project-points li { font-size: 0.79rem; color: var(--text2); margin-bottom: 0.4rem; line-height: 1.6; }
.project-points li::marker { color: var(--cyan); }

/* ── ACHIEVEMENTS ────────────────────── */
.ach-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.2rem; }
.ach-card { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; transition: border-color 0.2s; }
.ach-card:hover { border-color: var(--cyan); }
.ach-icon { font-size: 1.4rem; margin-bottom: 0.6rem; }
.ach-chip { display: inline-block; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cyan); background: var(--cyan-glow); border: 1px solid rgba(0,212,255,0.2); padding: 0.2rem 0.6rem; border-radius: 3px; margin-bottom: 0.6rem; }
.ach-title { font-weight: 600; font-size: 0.9rem; color: var(--text); margin-bottom: 0.5rem; }
.ach-desc { font-size: 0.8rem; color: var(--text2); line-height: 1.7; }

/* ── CONTACT ─────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-intro { font-size: 0.92rem; color: var(--text2); margin-bottom: 1.8rem; line-height: 1.8; }
.contact-links { display: flex; flex-direction: column; gap: 0.7rem; }
.contact-link { display: flex; align-items: center; gap: 1rem; background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; padding: 0.85rem 1.1rem; text-decoration: none; transition: border-color 0.2s, background 0.2s; }
.contact-link:hover { border-color: var(--cyan); background: var(--cyan-glow); }
.contact-link-icon { color: var(--cyan); width: 22px; display: flex; align-items: center; flex-shrink: 0; }
.contact-link-label { display: flex; flex-direction: column; gap: 0.1rem; }
.contact-link-type { font-family: var(--mono); font-size: 0.6rem; color: var(--text2); letter-spacing: 0.1em; text-transform: uppercase; }
.contact-link-val { font-size: 0.82rem; color: var(--text); }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text2); }
.form-group input, .form-group textarea { background: var(--bg3); border: 1px solid var(--border); color: var(--text); padding: 0.7rem 0.9rem; font-family: var(--mono); font-size: 0.82rem; border-radius: 4px; outline: none; transition: border-color 0.2s; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--cyan); }
.form-group textarea { min-height: 120px; }
.form-success { display: none; padding: 0.9rem; background: rgba(57,255,20,0.07); border: 1px solid rgba(57,255,20,0.2); border-radius: 4px; font-family: var(--mono); font-size: 0.78rem; color: var(--green); }

/* ── FOOTER ──────────────────────────── */
.site-footer { background: var(--bg); border-top: 1px solid var(--border); padding: 2rem 2rem; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-logo { font-family: var(--orb); font-size: 1rem; color: var(--cyan); font-weight: 700; }
.footer-tagline { font-size: 0.72rem; color: var(--text2); margin-top: 0.2rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { display: flex; align-items: center; gap: 0.4rem; font-family: var(--mono); font-size: 0.72rem; color: var(--text2); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--cyan); }
.footer-copy { font-family: var(--mono); font-size: 0.7rem; color: var(--text3); }

/* ═══ CHATBOT ═══════════════════════════ */
#chat-bubble {
  position: fixed; bottom: 28px; right: 28px; z-index: 1000;
  width: 54px; height: 54px; background: var(--cyan); color: var(--bg);
  border-radius: 50%; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(0,212,255,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  animation: chat-pop 0.4s ease;
}
#chat-bubble:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(0,212,255,0.6); }
@keyframes chat-pop { from{transform:scale(0);} to{transform:scale(1);} }

.chat-window {
  position: fixed; bottom: 96px; right: 28px; z-index: 999;
  width: 360px; max-height: 520px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
  transform: scale(0.9) translateY(20px); opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  pointer-events: none;
}
.chat-window.open {
  transform: scale(1) translateY(0); opacity: 1; pointer-events: all;
}

.chat-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 1rem; background: var(--bg3);
  border-bottom: 1px solid var(--border);
}
.chat-header-left { display: flex; align-items: center; gap: 0.7rem; }
.chat-avatar {
  width: 36px; height: 36px; background: var(--cyan); color: var(--bg);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: var(--orb); font-size: 0.7rem; font-weight: 700;
}
.chat-name { font-weight: 600; font-size: 0.85rem; color: var(--text); }
.chat-status { display: flex; align-items: center; gap: 0.3rem; font-family: var(--mono); font-size: 0.62rem; color: var(--green); }
.chat-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; animation: pulse 2s infinite; }
.chat-close { background: none; border: none; color: var(--text2); cursor: pointer; font-size: 1rem; padding: 0.2rem; transition: color 0.2s; }
.chat-close:hover { color: var(--text); }

.chat-messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: 0.8rem; }
.chat-messages::-webkit-scrollbar { width: 3px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); }

.chat-msg { display: flex; }
.chat-msg.bot { justify-content: flex-start; }
.chat-msg.user { justify-content: flex-end; }
.chat-bubble-msg {
  max-width: 82%; padding: 0.65rem 0.9rem; border-radius: 10px;
  font-size: 0.82rem; line-height: 1.6;
}
.chat-msg.bot .chat-bubble-msg { background: var(--bg3); color: var(--text); border: 1px solid var(--border); border-bottom-left-radius: 3px; }
.chat-msg.user .chat-bubble-msg { background: var(--cyan); color: var(--bg); border-bottom-right-radius: 3px; }

.chat-typing { display: flex; align-items: center; gap: 4px; padding: 0.65rem 0.9rem; background: var(--bg3); border: 1px solid var(--border); border-radius: 10px; border-bottom-left-radius: 3px; width: fit-content; }
.chat-typing span { width: 6px; height: 6px; background: var(--text2); border-radius: 50%; animation: typing-dot 1.2s infinite; }
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-dot { 0%,60%,100%{transform:translateY(0);opacity:0.4;} 30%{transform:translateY(-5px);opacity:1;} }

.chat-quick-btns { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.2rem; }
.chat-quick-btns button {
  font-size: 0.72rem; padding: 0.3rem 0.7rem;
  background: var(--bg); border: 1px solid var(--border);
  color: var(--cyan); border-radius: 20px; cursor: pointer;
  font-family: var(--mono); transition: all 0.2s;
}
.chat-quick-btns button:hover { background: var(--cyan-glow); border-color: var(--cyan); }

.chat-input-wrap {
  display: flex; gap: 0.5rem; padding: 0.8rem 1rem;
  border-top: 1px solid var(--border); background: var(--bg3);
}
.chat-input-wrap input {
  flex: 1; background: var(--bg); border: 1px solid var(--border);
  color: var(--text); padding: 0.5rem 0.8rem;
  font-family: var(--mono); font-size: 0.8rem; border-radius: 6px; outline: none;
  transition: border-color 0.2s;
}
.chat-input-wrap input:focus { border-color: var(--cyan); }
.chat-input-wrap button {
  background: var(--cyan); color: var(--bg); border: none;
  padding: 0.5rem 0.8rem; border-radius: 6px; cursor: pointer;
  display: flex; align-items: center; transition: background 0.2s;
}
.chat-input-wrap button:hover { background: var(--cyan-dim); }

/* ── RESPONSIVE ──────────────────────── */
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-right { display: none; }
}
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none; position: fixed; top: 64px; left: 0; right: 0;
    background: var(--bg2); border-bottom: 1px solid var(--border);
    flex-direction: column; gap: 0; padding: 1rem 0;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 0.8rem 1.5rem; font-size: 0.85rem; width: 100%; }
  .nav-resume-btn { margin: 0.5rem 1.5rem !important; width: calc(100% - 3rem); text-align: center; padding: 0.6rem 1rem !important; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .skills-grid, .edu-grid, .ach-grid, .projects-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .exp-header { flex-direction: column; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .chat-window { width: calc(100vw - 32px); right: 16px; bottom: 86px; }
  #chat-bubble { right: 16px; bottom: 16px; }
  .hero { padding: 90px 20px 60px; }
  .section { padding: 4rem 0; }
}
@media (max-width: 480px) {
  .hero-name { font-size: 2.6rem; }
  .hero-actions { flex-direction: column; }
}