/* ==========================================================================
   Gaurav Rustogi — Professional Profile
   Theme: deep slate / navy · serif display + clean sans body
   ========================================================================== */

:root {
  /* Palette */
  --bg:            #0E1117;   /* deep slate, near-black */
  --bg-raised:     #161B24;   /* card surfaces */
  --bg-raised-2:   #1B2230;
  --border:        #232A35;   /* hairline dividers */
  --border-strong: #2E3744;
  --text:          #E8ECF2;   /* primary */
  --text-muted:    #A8B2C1;   /* secondary */
  --text-faint:    #6B7686;   /* captions, meta */
  --accent:        #4A90D9;   /* trustworthy blue */
  --accent-soft:   #2B6CB0;
  --accent-bg:     rgba(74,144,217,0.10);
  --metric:        #6FB1E8;   /* numbers / stats */

  /* Type */
  --serif: "Georgia", "Times New Roman", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono:  "SF Mono", "Cascadia Code", "Consolas", monospace;

  /* Layout */
  --maxw: 880px;
  --gutter: clamp(20px, 5vw, 48px);
}

/* Fix typo'd custom prop value safely */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }

/* Skip link for accessibility */
.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #fff; padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding: clamp(56px, 9vw, 96px) 0 clamp(36px, 5vw, 56px);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(1100px 380px at 50% -120px, rgba(74,144,217,0.08), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; display: flex; gap: clamp(24px, 4vw, 40px); align-items: center; flex-wrap: wrap; }

.photo {
  width: 160px; height: 160px; border-radius: 50%;
  object-fit: cover; flex-shrink: 0;
  border: 1px solid var(--border-strong);
  box-shadow: 0 0 0 6px rgba(74,144,217,0.06), 0 14px 40px rgba(0,0,0,0.45);
}

.hero-text { flex: 1 1 360px; min-width: 280px; }

.name {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 5vw, 3rem);
  line-height: 1.05;
  margin: 0 0 10px;
  letter-spacing: -0.5px;
  font-weight: 600;
}
.tagline {
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  color: var(--text);
  margin: 0 0 6px;
  font-weight: 500;
}
.subtagline { color: var(--text-muted); margin: 0 0 16px; font-size: 0.98rem; }

.meta { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; color: var(--text-faint); font-size: 0.9rem; margin-bottom: 20px; }
.meta .dot { color: var(--border-strong); }

/* Availability pill row */
.avail {
  display: inline-flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin-bottom: 22px;
}
.avail-label {
  font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-faint); margin-right: 4px;
}
.tag {
  font-size: 0.82rem; padding: 4px 11px; border-radius: 100px;
  background: var(--accent-bg); color: var(--metric);
  border: 1px solid rgba(74,144,217,0.22);
  white-space: nowrap;
}

/* Buttons */
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 8px; font-size: 0.92rem; font-weight: 500;
  border: 1px solid var(--border-strong); color: var(--text);
  transition: border-color .18s ease, background .18s ease, transform .12s ease;
}
.btn:hover { text-decoration: none; border-color: var(--accent-soft); background: var(--bg-raised); transform: translateY(-1px); }
.btn svg { width: 17px; height: 17px; }
.btn-primary {
  background: var(--accent-soft); border-color: var(--accent-soft); color: #fff;
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }

/* ==========================================================================
   Sections
   ========================================================================== */
section { padding: clamp(40px, 6vw, 64px) 0; border-bottom: 1px solid var(--border); }
section:last-of-type { border-bottom: none; }

.eyebrow {
  font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 18px; font-weight: 600;
}
h2.section-title {
  font-family: var(--serif); font-size: clamp(1.5rem, 3.2vw, 2rem);
  margin: 0 0 22px; font-weight: 600; letter-spacing: -0.3px;
}
.lead { color: var(--text-muted); max-width: 64ch; }
.lead li { margin-bottom: 10px; }
ul.clean { list-style: none; padding: 0; margin: 0; }
ul.clean li { position: relative; padding-left: 22px; }
ul.clean li::before {
  content: ""; position: absolute; left: 0; top: 11px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent-soft);
}

/* Impact metrics grid */
.metrics {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px; margin-top: 8px;
}
.metric-card {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px 18px;
}
.metric-num { font-family: var(--serif); font-size: 1.7rem; color: var(--metric); line-height: 1; margin-bottom: 8px; }
.metric-label { font-size: 0.86rem; color: var(--text-muted); line-height: 1.4; }

/* Experience timeline */
.role { padding: 22px 0; border-top: 1px solid var(--border); }
.role:first-of-type { border-top: none; padding-top: 4px; }
.role-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: baseline; margin-bottom: 4px; }
.role-title { font-size: 1.1rem; font-weight: 600; color: var(--text); margin: 0; }
.role-dates { font-size: 0.84rem; color: var(--text-faint); font-variant-numeric: tabular-nums; white-space: nowrap; }
.role-co { color: var(--accent); font-weight: 500; }
.role-context { font-size: 0.88rem; color: var(--text-faint); margin: 2px 0 14px; }
.role ul.clean li { margin-bottom: 9px; color: var(--text-muted); font-size: 0.95rem; }
.role-subhead { font-size: 0.86rem; color: var(--text); font-weight: 600; margin: 14px 0 8px; }

/* Skills */
.skill-group { margin-bottom: 20px; }
.skill-group:last-child { margin-bottom: 0; }
.skill-group h3 {
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-faint); margin: 0 0 10px; font-weight: 600;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 0.85rem; padding: 5px 12px; border-radius: 6px;
  background: var(--bg-raised); border: 1px solid var(--border);
  color: var(--text-muted);
}
.chip strong { color: var(--text); font-weight: 600; }

.lang-tiers { display: grid; gap: 12px; }
.lang-tier { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.lang-tier .t-label { font-size: 0.8rem; color: var(--text-faint); min-width: 130px; }

/* Education */
.edu-item { padding: 10px 0; }
.edu-item .deg { font-weight: 600; }
.edu-item .det { color: var(--text-faint); font-size: 0.9rem; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 720px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: 44px; } }

.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: 9px;
  background: var(--bg-raised); color: var(--text); transition: border-color .18s, background .18s;
}
.contact-link:hover { text-decoration: none; border-color: var(--accent-soft); }
.contact-link svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--text-muted); }
.contact-link .cl-main { font-weight: 500; }
.contact-link .cl-sub { font-size: 0.82rem; color: var(--text-faint); }

/* Form */
form { display: flex; flex-direction: column; gap: 14px; }
.field label { display: block; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 11px 13px; font-family: inherit; font-size: 0.95rem;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 8px;
}
.field input:focus, .field textarea:focus { border-color: var(--accent); outline: none; }
.field textarea { resize: vertical; min-height: 110px; }
.hp { position: absolute; left: -9999px; }  /* honeypot */
.form-status { font-size: 0.88rem; min-height: 20px; }
.form-status.ok { color: #5FD68A; }
.form-status.err { color: #E8836F; }

/* ==========================================================================
   Footer
   ========================================================================== */
footer { padding: 32px 0 48px; color: var(--text-faint); font-size: 0.85rem; text-align: center; }
footer a { color: var(--text-muted); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 560px) {
  .hero-inner { flex-direction: column; text-align: center; align-items: center; }
  .meta, .avail, .actions { justify-content: center; }
  .photo { width: 132px; height: 132px; }
  .role-head { flex-direction: column; gap: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ==========================================================================
   Side navigation
   ========================================================================== */
.sidenav {
  position: fixed; top: 50%; left: 0;
  transform: translateY(-50%);
  width: 168px;
  padding: 18px 0 18px 20px;
  display: flex; flex-direction: column; gap: 4px;
  z-index: 50;
}
.sidenav a {
  font-size: 0.78rem; color: var(--text-faint);
  text-decoration: none; padding: 5px 10px 5px 10px;
  border-left: 2px solid transparent;
  transition: color .15s, border-color .15s;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  line-height: 1.3;
}
.sidenav a:hover { color: var(--text-muted); }
.sidenav a.active { color: var(--accent); border-left-color: var(--accent); }

@media (min-width: 1100px) {
  body { padding-left: 168px; }
  .sidenav { display: flex; }
}
@media (max-width: 1099px) {
  .sidenav { display: none; }
}

/* ==========================================================================
   Core skills — two-column bullet list layout
   ========================================================================== */
.skills-bullet-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
}
@media (max-width: 600px) { .skills-bullet-grid { grid-template-columns: 1fr; } }

.skill-bullet-group { margin-bottom: 24px; }
.skill-bullet-group h3 {
  font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-faint); margin: 0 0 8px; font-weight: 600;
}
.skill-bullet-group ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 4px;
}
.skill-bullet-group ul li {
  font-size: 0.9rem; color: var(--text-muted);
  padding-left: 14px; position: relative; line-height: 1.45;
}
.skill-bullet-group ul li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent-soft);
}