/* =========================================================
   MUHAMMAD TALHA — AI ENGINEER PORTFOLIO
   Design tokens
   ========================================================= */
:root{
  --bg: #050816;
  --bg-secondary: #111827;
  --accent-blue: #3B82F6;
  --accent-purple: #8B5CF6;
  --white: #FFFFFF;
  --text-dim: #94A3B8;
  --text-dimmer: #64748B;
  --border-glass: rgba(255,255,255,0.08);
  --glass-bg: rgba(17,24,39,0.45);
  --glass-bg-strong: rgba(17,24,39,0.7);
  --radius: 18px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
::selection{ background: var(--accent-purple); color: var(--white); }

body{
  margin:0;
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
  cursor: none;
}
@media (max-width: 900px){
  body{ cursor: auto; }
  .cursor-dot, .cursor-glow{ display:none; }
}

a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin:0; padding:0; }
button{ font-family: inherit; }

::-webkit-scrollbar{ width: 8px; }
::-webkit-scrollbar-track{ background: var(--bg); }
::-webkit-scrollbar-thumb{ background: linear-gradient(var(--accent-blue), var(--accent-purple)); border-radius: 10px; }

/* =========================================================
   BACKDROP LAYERS
   ========================================================= */
#bg-canvas{
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: -3;
  background: radial-gradient(ellipse at 50% 0%, #0b1226 0%, #050816 60%, #030510 100%);
}
.grid-overlay{
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(59,130,246,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 40%, transparent 90%);
}
.noise-overlay{
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =========================================================
   CUSTOM CURSOR
   ========================================================= */
.cursor-dot{
  position: fixed; top:0; left:0; width: 8px; height: 8px; border-radius: 50%;
  background: var(--white); z-index: 9999; pointer-events: none;
  transform: translate(-50%,-50%);
  transition: opacity .2s;
}
.cursor-glow{
  position: fixed; top:0; left:0; width: 40px; height: 40px; border-radius: 50%;
  border: 1.5px solid var(--accent-blue); z-index: 9998; pointer-events: none;
  transform: translate(-50%,-50%);
  box-shadow: 0 0 20px rgba(59,130,246,0.35);
  transition: width .25s var(--ease), height .25s var(--ease), border-color .25s;
}
.cursor-glow.hovered{
  width: 64px; height: 64px; border-color: var(--accent-purple);
  box-shadow: 0 0 30px rgba(139,92,246,0.45);
}

/* =========================================================
   LOADER
   ========================================================= */
.loader{
  position: fixed; inset: 0; z-index: 10000;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.loader-inner{ text-align: center; }
.loader-logo{ margin-bottom: 20px; }
.loader-ring{ fill:none; stroke: rgba(59,130,246,0.25); stroke-width: 3; }
.loader-core{ fill: var(--accent-purple); filter: drop-shadow(0 0 12px var(--accent-purple)); }
.loader-name{
  font-family: var(--font-display); font-weight: 600; letter-spacing: 4px;
  font-size: 15px; color: var(--text-dim); margin-bottom: 22px;
}
.loader-name span{ color: var(--white); }
.loader-bar{
  width: 220px; height: 2px; background: rgba(255,255,255,0.08); border-radius: 2px; overflow: hidden; margin: 0 auto;
}
.loader-bar-fill{
  width: 0%; height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  box-shadow: 0 0 10px var(--accent-blue);
}
.loader-percent{ margin-top: 14px; font-family: var(--font-mono); font-size: 12px; color: var(--text-dimmer); }

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar{
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  padding: 18px 0;
  transition: padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}
.navbar.scrolled{
  padding: 10px 0;
  background: rgba(5,8,22,0.65);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}
.nav-container{
  max-width: 1240px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo{
  font-family: var(--font-display); font-weight: 700; font-size: 20px; letter-spacing: 1px;
}
.nav-logo .dot{ color: var(--accent-blue); }
.nav-links{ display: flex; gap: 32px; }
.nav-link{
  font-size: 14px; font-weight: 500; color: var(--text-dim);
  position: relative; padding: 6px 0; transition: color .25s;
}
.nav-link::after{
  content:''; position: absolute; left:0; bottom:0; width:0; height: 1.5px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  transition: width .3s var(--ease);
}
.nav-link:hover, .nav-link.active{ color: var(--white); }
.nav-link.active::after, .nav-link:hover::after{ width: 100%; }

.btn-nav{ font-size: 13px; padding: 10px 18px; }
.nav-toggle{ display:none; background:none; border:none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.nav-toggle span{ width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: .3s; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 24px; border-radius: 999px; font-size: 14px; font-weight: 600;
  border: 1px solid var(--border-glass); cursor: pointer; white-space: nowrap;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s, background .3s;
}
.btn-primary{
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border: none; color: var(--white);
  box-shadow: 0 8px 24px rgba(59,130,246,0.28), 0 0 0 1px rgba(255,255,255,0.06) inset;
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 12px 32px rgba(139,92,246,0.4); }
.btn-ghost{
  background: rgba(255,255,255,0.03); color: var(--white); backdrop-filter: blur(6px);
}
.btn-ghost:hover{ border-color: var(--accent-blue); background: rgba(59,130,246,0.08); transform: translateY(-2px); }
.btn-sm{ padding: 9px 16px; font-size: 12.5px; border-radius: 999px; }
.btn-primary-sm{ background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)); border:none; }
.btn-disabled{ opacity: .4; cursor: not-allowed; }
.full-width{ width: 100%; justify-content: center; }

/* =========================================================
   TYPOGRAPHY / SHARED
   ========================================================= */
.gradient-text{
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple) 60%, #C084FC);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  background-size: 200% 200%;
  animation: gradientShift 6s ease infinite;
}
@keyframes gradientShift{ 0%,100%{ background-position: 0% 50%; } 50%{ background-position: 100% 50%; } }

.section{ position: relative; max-width: 1240px; margin: 0 auto; padding: 160px 32px 40px; }
.section-head{ margin-bottom: 56px; }
.section-eyebrow{
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent-blue); margin: 0 0 14px;
}
.section-title{
  font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px); font-weight: 600;
  line-height: 1.2; margin: 0; max-width: 620px;
}

.glass-card{
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 20px 50px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.02) inset;
  position: relative;
}
.glass-card::before{
  content:''; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, rgba(59,130,246,0.35), transparent 40%, rgba(139,92,246,0.35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none; opacity: .7;
}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 140px 24px 60px; position: relative;
}
.hero-inner{ max-width: 880px; }
.hero-eyebrow{
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 13px; color: var(--text-dim);
  padding: 8px 16px; border: 1px solid var(--border-glass); border-radius: 999px;
  background: rgba(255,255,255,0.03); margin-bottom: 28px;
}
.eyebrow-dot{ width: 7px; height: 7px; border-radius: 50%; background: #34D399; box-shadow: 0 0 10px #34D399; animation: pulse 2s infinite; }
@keyframes pulse{ 0%,100%{ opacity: 1; } 50%{ opacity: .4; } }

.hero-title{
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(48px, 9vw, 104px); line-height: 1.02; margin: 0 0 18px; letter-spacing: -2px;
}
.hero-title .line{ display: block; }

.hero-role{
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(18px, 2.6vw, 28px); color: var(--text-dim); margin: 0 0 22px; min-height: 36px;
}
.typed-cursor{ color: var(--accent-blue); animation: blink 1s step-end infinite; }
@keyframes blink{ 50%{ opacity: 0; } }

.hero-subtitle{
  font-size: 17px; color: var(--text-dim); max-width: 640px; margin: 0 auto 40px; line-height: 1.7;
}
.hero-actions{ display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-bottom: 64px; }

.hero-stats{ display: flex; align-items: center; justify-content: center; gap: 36px; flex-wrap: wrap; }
.stat{ text-align: left; }
.stat-num{ font-family: var(--font-display); font-size: 34px; font-weight: 700; color: var(--white); }
.stat-plus{ font-family: var(--font-display); font-size: 22px; color: var(--accent-blue); }
.stat-label{ display: block; font-size: 12.5px; color: var(--text-dimmer); margin-top: 4px; max-width: 150px; }
.stat-divider{ width: 1px; height: 40px; background: var(--border-glass); }

.scroll-indicator{
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-dimmer);
}
.scroll-line{ width: 1px; height: 44px; background: var(--border-glass); position: relative; overflow: hidden; }
.scroll-dot{ width: 4px; height: 4px; border-radius: 50%; background: var(--accent-blue); position: absolute; left: 50%; transform: translateX(-50%); animation: scrollDown 1.8s ease-in-out infinite; box-shadow: 0 0 8px var(--accent-blue); }
@keyframes scrollDown{ 0%{ top: -10%; opacity: 0; } 30%{ opacity: 1; } 100%{ top: 100%; opacity: 0; } }

/* =========================================================
   ABOUT
   ========================================================= */
.about-grid{ display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.about-text p{ color: var(--text-dim); line-height: 1.85; font-size: 16px; margin: 0 0 20px; }
.about-text strong{ color: var(--white); font-weight: 600; }
.about-badges{ display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.badge{
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 999px; font-size: 13px; font-weight: 500;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border-glass); color: var(--text-dim);
}
.badge i{ color: var(--accent-blue); }

.about-card .glass-card{ padding: 32px; overflow: hidden; }
.about-card-glow{
  position: absolute; top: -60px; right: -60px; width: 180px; height: 180px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.35), transparent 70%); filter: blur(10px);
}
.about-list{ display: flex; flex-direction: column; gap: 22px; position: relative; }
.about-list li{ display: flex; gap: 16px; align-items: flex-start; }
.about-list i{
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(59,130,246,0.18), rgba(139,92,246,0.18));
  color: var(--accent-blue); border: 1px solid var(--border-glass);
}
.about-list strong{ display: block; font-size: 14.5px; margin-bottom: 3px; }
.about-list span{ font-size: 13px; color: var(--text-dimmer); }

/* =========================================================
   SKILLS
   ========================================================= */
.skills-groups{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.skills-group{
  background: var(--glass-bg); border: 1px solid var(--border-glass); border-radius: var(--radius);
  padding: 28px; backdrop-filter: blur(14px);
  transition: transform .35s var(--ease), border-color .35s;
}
.skills-group:hover{ transform: translateY(-4px); border-color: rgba(59,130,246,0.35); }
.skills-group h3{
  font-family: var(--font-display); font-size: 16px; font-weight: 600; margin: 0 0 18px;
  display: flex; align-items: center; gap: 10px; color: var(--white);
}
.skills-group h3 i{ color: var(--accent-purple); }
.tag-grid{ display: flex; flex-wrap: wrap; gap: 9px; }
.tag{
  font-size: 12.5px; padding: 7px 13px; border-radius: 8px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border-glass); color: var(--text-dim);
  transition: all .25s var(--ease); cursor: default;
}
.tag:hover{
  color: var(--white); border-color: var(--accent-blue);
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15));
  transform: translateY(-2px);
}

/* =========================================================
   PROJECTS
   ========================================================= */
.projects-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.project-card{
  background: var(--glass-bg); border: 1px solid var(--border-glass); border-radius: var(--radius);
  overflow: hidden; backdrop-filter: blur(14px); position: relative;
  transition: transform .1s linear, box-shadow .35s var(--ease), border-color .35s;
}
.project-card:hover{ border-color: rgba(139,92,246,0.4); box-shadow: 0 24px 60px rgba(59,130,246,0.15); }
.project-media{
  position: relative; height: 140px;
  background: radial-gradient(circle at 30% 20%, rgba(59,130,246,0.25), transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(139,92,246,0.25), transparent 60%),
              var(--bg-secondary);
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--border-glass);
}
.project-glyph{ font-size: 42px; color: rgba(255,255,255,0.85); filter: drop-shadow(0 0 18px rgba(59,130,246,0.5)); }
.project-tag-badge{
  position: absolute; top: 14px; right: 16px; font-size: 11px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; padding: 5px 11px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)); color: var(--white);
}
.project-body{ padding: 26px 28px 28px; }
.project-body h3{ font-family: var(--font-display); font-size: 20px; margin: 0 0 10px; }
.project-desc{ font-size: 14px; color: var(--text-dim); line-height: 1.7; margin: 0 0 16px; }
.project-features{ margin: 0 0 18px; display: flex; flex-direction: column; gap: 8px; }
.project-features li{ font-size: 13px; color: var(--text-dim); display: flex; gap: 9px; align-items: flex-start; }
.project-features i{ color: #34D399; margin-top: 3px; font-size: 11px; }
.project-stack{ display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.project-stack span{ font-size: 11.5px; padding: 5px 11px; border-radius: 6px; background: rgba(255,255,255,0.04); border: 1px solid var(--border-glass); color: var(--text-dimmer); font-family: var(--font-mono); }
.project-links{ display: flex; gap: 10px; }

/* =========================================================
   EXPERIENCE / TIMELINE
   ========================================================= */
.timeline{ position: relative; max-width: 800px; }
.timeline::before{
  content:''; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(var(--accent-blue), var(--accent-purple));
  opacity: .4;
}
.timeline-item{ position: relative; padding-left: 44px; margin-bottom: 32px; }
.timeline-marker{
  position: absolute; left: 0; top: 6px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.12), 0 0 16px rgba(59,130,246,0.5);
}
.timeline-marker::after{ content:''; position: absolute; inset: 5px; border-radius: 50%; background: var(--accent-purple); }
.timeline-card{ padding: 28px 30px; }
.timeline-date{ font-family: var(--font-mono); font-size: 12px; color: var(--accent-blue); letter-spacing: 1px; }
.timeline-card h3{ font-family: var(--font-display); font-size: 19px; margin: 10px 0 6px; }
.timeline-company{ font-size: 14px; color: var(--text-dim); margin: 0 0 16px; display: flex; align-items: center; gap: 8px; }
.timeline-card ul{ display: flex; flex-direction: column; gap: 10px; }
.timeline-card li{ font-size: 14px; color: var(--text-dim); line-height: 1.7; padding-left: 18px; position: relative; }
.timeline-card li::before{ content:'—'; position: absolute; left: 0; color: var(--accent-purple); }

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid{ display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; }
.contact-lead{ font-size: 16px; color: var(--text-dim); line-height: 1.8; max-width: 420px; margin: 0 0 32px; }
.contact-links{ display: flex; flex-direction: column; gap: 14px; }
.contact-link{
  display: flex; align-items: center; gap: 14px; font-size: 14.5px; font-weight: 500;
  padding: 14px 18px; border-radius: 14px; border: 1px solid var(--border-glass);
  background: rgba(255,255,255,0.02); transition: all .3s var(--ease); width: fit-content;
}
.contact-link:hover{ border-color: var(--accent-blue); background: rgba(59,130,246,0.06); transform: translateX(6px); }
.contact-icon{
  width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(139,92,246,0.2)); color: var(--accent-blue);
}
.contact-form{ padding: 34px; }
.form-row{ margin-bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
.form-row label{ font-size: 13px; color: var(--text-dim); font-weight: 500; }
.form-row input, .form-row textarea{
  background: rgba(255,255,255,0.03); border: 1px solid var(--border-glass); border-radius: 10px;
  padding: 13px 16px; color: var(--white); font-family: var(--font-body); font-size: 14px; resize: vertical;
  transition: border-color .3s, background .3s;
}
.form-row input:focus, .form-row textarea:focus{
  outline: none; border-color: var(--accent-blue); background: rgba(59,130,246,0.05);
}
.form-note{ font-size: 12.5px; color: var(--text-dimmer); margin: 14px 0 0; text-align: center; min-height: 16px; }

/* =========================================================
   FOOTER / BACK TO TOP
   ========================================================= */
.footer{
  max-width: 1240px; margin: 40px auto 0; padding: 30px 32px; border-top: 1px solid var(--border-glass);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: 13px; color: var(--text-dimmer);
}
.footer-socials{ display: flex; gap: 18px; font-size: 16px; }
.footer-socials a{ color: var(--text-dim); transition: color .25s; }
.footer-socials a:hover{ color: var(--accent-blue); }

.back-to-top{
  position: fixed; bottom: 28px; right: 28px; z-index: 500;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--border-glass);
  background: var(--glass-bg-strong); backdrop-filter: blur(10px); color: var(--white);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .35s var(--ease);
}
.back-to-top.visible{ opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover{ border-color: var(--accent-blue); color: var(--accent-blue); }

/* =========================================================
   REVEAL ANIMATION BASE STATE (GSAP controls the reveal)
   ========================================================= */
.reveal-up{ opacity: 0; transform: translateY(40px); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1080px){
  .about-grid, .contact-grid{ grid-template-columns: 1fr; }
  .skills-groups{ grid-template-columns: 1fr; }
}

@media (max-width: 860px){
  .projects-grid{ grid-template-columns: 1fr; }
  .nav-links{
    position: fixed; top: 0; right: 0; height: 100vh; width: min(78vw, 320px);
    background: rgba(5,8,22,0.97); backdrop-filter: blur(20px);
    flex-direction: column; justify-content: center; align-items: flex-start; gap: 26px;
    padding: 40px; transform: translateX(100%); transition: transform .4s var(--ease);
    border-left: 1px solid var(--border-glass); z-index: 950;
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-toggle{ display: flex; }
  .btn-nav span{ display: none; }
  .hero-stats{ flex-direction: column; gap: 22px; }
  .stat-divider{ display: none; }
  .stat{ text-align: center; }
}

@media (max-width: 560px){
  .section{ padding: 120px 20px 20px; }
  .hero{ padding: 120px 16px 50px; }
  .hero-title{ letter-spacing: -1px; }
  .hero-actions{ flex-direction: column; width: 100%; }
  .hero-actions .btn{ width: 100%; justify-content: center; }
  .contact-form{ padding: 24px; }
  .nav-container{ padding: 0 18px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* Keyboard focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--accent-blue); outline-offset: 3px;
}