/* =========================================================
   TSHEDZA NESANE — PORTFOLIO
   Shared stylesheet · Futuristic Multimedia Computing theme
   Extracted from inline <style> blocks for Vercel deployment
   ========================================================= */

/* ---------- Tokens ---------- */
:root{
  --bg-void:    #500757;
  --bg-deep:    #3f0d81;
  --bg-panel:   #000000;

  --cyan:       #00f0ff;
  --violet:     #b14bff;
  --blue:       #4d7fff;
  --pink:       #ff3da6;
  --amber:      #ffb020;

  --glass:        rgba(255,255,255,0.045);
  --glass-strong: rgba(255,255,255,0.07);
  --glass-border: rgba(255,255,255,0.09);

  --text-1: #eef1f8;
  --text-2: #93a0c2;
  --text-3: #5d6986;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius: 18px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.16,.84,.44,1);

  --nav-h: 76px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  min-height:100vh;
  font-family: var(--font-body);
  background: var(--bg-void);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}
p{ margin:0; line-height:1.7; color: var(--text-2); }

:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.visually-hidden{
  position:absolute;
  left: -9999px;
  top: auto;
}
.visually-hidden:focus{
  left: 12px;
  top: 12px;
  z-index: 1000;
  background: var(--bg-panel);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
}

/* ---------- Page load fade ---------- */
body{
  opacity: 0;
  animation: pageFadeIn .9s var(--ease) forwards;
}
@keyframes pageFadeIn{
  from{ opacity:0; transform: translateY(8px); }
  to{ opacity:1; transform: translateY(0); }
}

/* ---------- Animated gradient backdrop ---------- */
.bg-aurora{
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 60% 45% at 18% 12%, rgba(0,240,255,0.18), transparent 60%),
    radial-gradient(ellipse 55% 50% at 85% 18%, rgba(177,75,255,0.18), transparent 60%),
    radial-gradient(ellipse 65% 55% at 50% 100%, rgba(255,61,166,0.16), transparent 60%),
    radial-gradient(ellipse 45% 40% at 75% 85%, rgba(255,176,32,0.10), transparent 60%),
    linear-gradient(160deg, var(--bg-void) 0%, var(--bg-deep) 50%, var(--bg-void) 100%);
  background-size: 200% 200%, 200% 200%, 200% 200%, 200% 200%, 100% 100%;
  animation: auroraShift 28s ease-in-out infinite alternate;
}
@keyframes auroraShift{
  0%{   background-position: 0% 0%, 100% 0%, 50% 100%, 0 0; }
  50%{  background-position: 30% 20%, 70% 30%, 40% 80%, 0 0; }
  100%{ background-position: 10% 40%, 90% 10%, 60% 100%, 0 0; }
}

/* Faint circuit-grid texture */
.bg-grid{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events:none;
  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: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
}

/* ---------- Floating shapes ---------- */
.bg-shapes{
  position: fixed;
  inset:0;
  z-index:-1;
  overflow:hidden;
  pointer-events:none;
}
.shape{
  position:absolute;
  border: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.015);
  animation: floatShape linear infinite;
}
.shape.hex{
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  border-color: rgba(0,240,255,0.18);
}
.shape.circle{ border-radius:50%; border-color: rgba(177,75,255,0.18); }
.shape.square{ border-color: rgba(255,61,166,0.2); transform: rotate(20deg); }

@keyframes floatShape{
  0%{   transform: translate3d(0,0,0) rotate(0deg); }
  50%{  transform: translate3d(24px,-40px,0) rotate(160deg); }
  100%{ transform: translate3d(-16px,0,0) rotate(360deg); }
}

/* =========================================================
   NAVIGATION
   ========================================================= */
.navbar{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  height: var(--nav-h);
  display:flex;
  align-items:center;
  background: rgba(6,9,18,0.55);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
}
.nav-container{
  width:100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo{
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  display:flex;
  align-items:center;
  gap: 8px;
  white-space: nowrap;
}
.logo-dot{
  width: 9px; height:9px;
  background: var(--cyan);
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  box-shadow: 0 0 12px var(--cyan);
  animation: pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot{
  0%,100%{ opacity:1; transform: scale(1); }
  50%{ opacity:.5; transform: scale(1.3); }
}

.nav-links{
  display:flex;
  align-items:center;
  gap: 6px;
  position: relative;
}
.nav-link{
  position:relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  transition: color .25s var(--ease);
  z-index: 2;
}
.nav-link:hover{ color: var(--text-1); }
.nav-link.active{ color: var(--cyan); }

.nav-indicator{
  position:absolute;
  top: 6px;
  height: 32px;
  width: 0;
  background: linear-gradient(135deg, rgba(0,240,255,0.18), rgba(177,75,255,0.14));
  border: 1px solid rgba(0,240,255,0.35);
  clip-path: polygon(10% 0%, 90% 0%, 100% 50%, 90% 100%, 10% 100%, 0% 50%);
  border-radius: 4px;
  transition: left .45s var(--ease), width .45s var(--ease);
  z-index: 1;
  pointer-events:none;
  box-shadow: 0 0 18px rgba(0,240,255,0.25);
}

.hamburger{
  display:none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  cursor:pointer;
}
.hamburger span{
  display:block;
  width: 18px; height: 2px;
  margin: 0 auto;
  background: var(--text-1);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.hamburger.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2){ opacity: 0; }
.hamburger.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   LAYOUT / PAGE SHELL
   ========================================================= */
main{
  padding-top: var(--nav-h);
  min-height: 100vh;
  display:flex;
  flex-direction: column;
}
.page-section{
  max-width: 1200px;
  margin: 0 auto;
  width:100%;
  padding: 90px 28px;
}
.page-section.tight{ padding-top: 60px; padding-bottom: 60px; }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  display:flex;
  align-items:center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:'';
  width: 22px; height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.section-title{
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 14px;
  background: linear-gradient(135deg, #ffffff, #aab6d8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-lead{
  max-width: 620px;
  margin-bottom: 48px;
  color: var(--text-2);
}

/* ---------- Scroll reveal ---------- */
.reveal{
  opacity:0;
  transform: translateY(36px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.visible{ opacity:1; transform: translateY(0); }
.reveal-stagger > *{ transition-delay: var(--d, 0s); }

/* =========================================================
   GLASS CARD
   ========================================================= */
.glass-card{
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  padding: 28px;
  position: relative;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.glass-card::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0,240,255,0.06), transparent 40%, rgba(177,75,255,0.06));
  opacity:0;
  transition: opacity .4s var(--ease);
  pointer-events:none;
}
.glass-card:hover{
  transform: translateY(-6px) scale(1.015);
  border-color: rgba(0,240,255,0.3);
  box-shadow: 0 18px 40px -20px rgba(0,240,255,0.35), 0 0 0 1px rgba(0,240,255,0.08);
}
.glass-card:hover::before{ opacity:1; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
  background: var(--glass);
  color: var(--text-1);
}
.btn:hover{
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: 0 12px 30px -14px rgba(0,240,255,0.45);
}
.btn-primary{
  background: linear-gradient(135deg, rgba(0,240,255,0.18), rgba(177,75,255,0.14));
  border-color: rgba(0,240,255,0.35);
}
.btn-row{ display:flex; gap: 16px; flex-wrap: wrap; }

/* =========================================================
   HERO (index)
   ========================================================= */
.hero{
  flex:1;
  display:flex;
  align-items:center;
  padding: 60px 28px;
}
.hero-grid{
  max-width: 1200px;
  margin: 0 auto;
  width:100%;
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items:center;
}
.hero-kicker{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
  opacity:0;
  animation: fadeSlideUp .8s var(--ease) .1s forwards;
}
.hero-title{
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  margin-bottom: 18px;
  opacity:0;
  animation: fadeSlideUp .8s var(--ease) .25s forwards;
}
.hero-title .accent{
  background: linear-gradient(135deg, var(--cyan), var(--pink) 55%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-role{
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--text-2);
  margin-bottom: 14px;
  font-family: var(--font-mono);
  min-height: 1.6em;
  opacity:0;
  animation: fadeSlideUp .8s var(--ease) .4s forwards;
}
.hero-role .cursor{
  display:inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--cyan);
  margin-left: 4px;
  vertical-align: -2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink{ 50%{ opacity:0; } }

.hero-desc{
  max-width: 480px;
  margin-bottom: 34px;
  opacity:0;
  animation: fadeSlideUp .8s var(--ease) .55s forwards;
}
.hero-actions{
  opacity:0;
  animation: fadeSlideUp .8s var(--ease) .7s forwards;
}
@keyframes fadeSlideUp{
  from{ opacity:0; transform: translateY(28px); }
  to{ opacity:1; transform: translateY(0); }
}

/* =========================================================
   AVATAR — signature element
   ========================================================= */
.avatar-wrap{
  position: relative;
  width: clamp(220px, 30vw, 340px);
  aspect-ratio: 1;
  margin: 0 auto;
}
.avatar-ring{
  position:absolute;
  inset:0;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: conic-gradient(from 0deg, var(--cyan), var(--pink), var(--violet), var(--amber), var(--cyan));
  animation: ringSpin 14s linear infinite;
  filter: blur(0.4px);
}
.avatar-ring::after{
  content:'';
  position:absolute;
  inset: 6px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: var(--bg-void);
}
@keyframes ringSpin{
  to{ transform: rotate(360deg); }
}
.avatar-inner{
  position:absolute;
  inset: 14px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: linear-gradient(160deg, var(--bg-panel), var(--bg-void));
  display:flex;
  align-items:center;
  justify-content:center;
  animation: avatarPulse 3.6s ease-in-out infinite;
}
@keyframes avatarPulse{
  0%,100%{ box-shadow: inset 0 0 30px rgba(0,240,255,0.12), 0 0 30px rgba(0,240,255,0.12); }
  50%{ box-shadow: inset 0 0 50px rgba(255,61,166,0.22), 0 0 55px rgba(255,61,166,0.25); }
}
.avatar-inner svg{
  width: 56%;
  opacity: 0.92;
}
.avatar-inner img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
}
.avatar-orbit{
  position:absolute;
  inset: -22px;
  border: 1px dashed rgba(255,255,255,0.08);
  border-radius: 50%;
  animation: ringSpin 30s linear infinite reverse;
}
.avatar-orbit::before{
  content:'';
  position:absolute;
  top: -4px; left: 50%;
  transform: translateX(-50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}

/* =========================================================
   GRIDS / CARDS COMMON
   ========================================================= */
.grid{
  display:grid;
  gap: 24px;
}
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }

.card-icon{
  width: 52px; height: 52px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 18px;
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 1.1rem;
}
.card-title{
  font-size: 1.1rem;
  margin-bottom: 10px;
}

/* =========================================================
   SKILLS — progress bars
   ========================================================= */
.skill-row{
  margin-bottom: 30px;
}
.skill-row:last-child{ margin-bottom: 0; }
.skill-label{
  display:flex;
  justify-content: space-between;
  align-items:baseline;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}
.skill-label span:last-child{ color: var(--cyan); }
.skill-track{
  height: 8px;
  border-radius: 6px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  overflow:hidden;
}
.skill-fill{
  height:100%;
  width:0%;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--cyan), var(--pink), var(--violet));
  box-shadow: 0 0 14px rgba(255,61,166,0.45);
  transition: width 1.4s var(--ease);
}

/* =========================================================
   TIMELINE — education / experience
   ========================================================= */
.timeline{
  position: relative;
  padding-left: 36px;
  border-left: 1px solid var(--glass-border);
}
.timeline-item{
  position: relative;
  margin-bottom: 42px;
}
.timeline-item:last-child{ margin-bottom: 0; }
.timeline-item::before{
  content:'';
  position:absolute;
  left: -42px;
  top: 4px;
  width: 14px; height: 14px;
  background: var(--bg-void);
  border: 2px solid var(--cyan);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  box-shadow: 0 0 14px rgba(0,240,255,0.5);
}
.timeline-date{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 8px;
  display:block;
}
.timeline-org{
  color: var(--text-2);
  margin-bottom: 12px;
}

/* =========================================================
   TAG CHIPS — languages / interests
   ========================================================= */
.chip-cloud{
  display:flex;
  flex-wrap: wrap;
  gap: 14px;
}
.chip{
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease), color .35s var(--ease);
  animation: chipFloat 6s ease-in-out infinite;
}
.chip:hover{
  transform: translateY(-6px) scale(1.06);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 14px 30px -16px rgba(0,240,255,0.45);
}
@keyframes chipFloat{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-5px); }
}

/* =========================================================
   CONTACT FORM
   ========================================================= */
.form-grid{
  display:grid;
  gap: 20px;
}
.field{ display:flex; flex-direction:column; gap: 8px; }
.field label{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-2);
}
.field input,
.field textarea{
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass);
  color: var(--text-1);
  resize: vertical;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.field input:focus,
.field textarea:focus{
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,240,255,0.12);
}
.form-note{
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-3);
}
.contact-info-item{
  display:flex;
  gap: 14px;
  align-items:flex-start;
  margin-bottom: 22px;
}
.contact-info-item:last-child{ margin-bottom: 0; }
.contact-info-item a{
  transition: color .3s var(--ease);
  border-bottom: 1px dashed transparent;
}
.contact-info-item a:hover{
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* Utility classes extracted from inline element styles */
.align-start{ align-items: start; }
.gap-48{ gap: 48px; }
.gap-32{ gap: 32px; }
.gap-28{ gap: 28px; }
.gap-24{ gap: 24px; }
.flex-col{ display:flex; flex-direction:column; }
.center-items{ align-items:center; }
.w-min-280{ width: min(280px, 70%); }
.w-100{ width: 100%; }
.text-center{ text-align: center; }
.justify-center{ justify-content: center; }
.mb-20{ margin-bottom: 20px; }
.mb-16{ margin-bottom: 16px; }
.mt-48{ margin-top: 48px; }
.mt-16{ margin-top: 16px; }
.mt-20{ margin-top: 20px; }
.skill-mt-20{ margin-top: 20px; }
.delay-0{ animation-delay: 0s; }
.delay-3{ animation-delay: .3s; }
.delay-6{ animation-delay: .6s; }
.delay-9{ animation-delay: .9s; }
.delay-12{ animation-delay: 1.2s; }
.delay-15{ animation-delay: 1.5s; }
.delay-18{ animation-delay: 1.8s; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer{
  border-top: 1px solid var(--glass-border);
  padding: 32px 28px;
}
.footer-content{
  max-width: 1200px;
  margin: 0 auto;
  display:flex;
  justify-content: space-between;
  align-items:center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-3);
}
.footer-content a{
  color: var(--text-2);
  transition: color .3s var(--ease);
}
.footer-content a:hover{ color: var(--cyan); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px){
  .grid-4{ grid-template-columns: repeat(2, 1fr); }
  .grid-3{ grid-template-columns: repeat(2, 1fr); }
  .grid-2{ grid-template-columns: 1fr; }
  .hero-grid{ grid-template-columns: 1fr; gap: 50px; text-align:center; }
  .hero-desc{ margin-inline:auto; }
  .hero-kicker{ justify-content:center; }
  .avatar-wrap{ order:-1; }
}

@media (max-width: 760px){
  .nav-links{
    position: fixed;
    top: var(--nav-h);
    left:0; right:0;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    background: rgba(6,9,18,0.92);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-110%);
    opacity:0;
    transition: transform .4s var(--ease), opacity .4s var(--ease);
    gap: 4px;
  }
  .nav-links.open{ transform: translateY(0); opacity:1; }
  .nav-link{ padding: 14px 16px; }
  .nav-indicator{ display:none; }
  .hamburger{ display:flex; }

  .grid-4, .grid-3{ grid-template-columns: 1fr; }
  .page-section{ padding: 70px 20px; }
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}