/* ==========================================================
   TOKENS
   ========================================================== */
:root{
  /* Playful Cyber palette */
  --bg-0: #1a1f2c;
  --bg-1: #1f2536;
  --clay-surface: #1a1f2c;

  --mint: #a7f3d0;       --mint-text: #064e3b;       --mint-core: rgba(4,120,87,0.4);
  --coral: #fcd9a0;      --coral-text: #7c4a03;      --coral-core: rgba(146,64,14,0.4);
  --blue:  #93c5fd;      --blue-text: #1e3a5f;       --blue-core: rgba(29,78,137,0.4);

  /* kept as the accent driving the particle canvas + link/glow colors */
  --cyan: #93c5fd;
  --magenta: #fecaca;
  --violet: #a7f3d0;

  --text-hi: #eef2fb;
  --text-mid: #9aa7c2;
  --text-low: #62708c;

  --glass-bg: var(--mint);
  --glass-bg-strong: var(--mint);
  --glass-border: transparent;
  --glass-blur: 0px;

  --radius: 32px;
  --radius-sm: 20px;

  --font-display: 'Orbitron', 'Rajdhani', sans-serif;
  --font-heading: 'Rajdhani', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-glow-cyan: 0 0 0 rgba(0,0,0,0);
  --shadow-glow-magenta: 0 0 0 rgba(0,0,0,0);
  --ease: cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* default (mint) clay shadow — outward lift + glossy inset highlight + colored core shadow */
  --clay-shadow: 12px 12px 24px rgba(0,0,0,0.3), inset 6px 6px 12px rgba(255,255,255,0.7), inset -8px -8px 16px var(--mint-core);
  --clay-shadow-sm: 8px 8px 16px rgba(0,0,0,0.28), inset 4px 4px 8px rgba(255,255,255,0.6), inset -6px -6px 12px var(--mint-core);
  --clay-shadow-pressed: 4px 4px 12px rgba(0,0,0,0.3), inset 4px 4px 8px rgba(255,255,255,0.5), inset -4px -4px 10px var(--mint-core);
}

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

html{ scroll-behavior:smooth; }

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

body{
  background: radial-gradient(ellipse at 20% -10%, var(--bg-1) 0%, var(--bg-0) 60%);
  color: var(--text-hi);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

.mono{ font-family: var(--font-mono); }

a{ color: inherit; text-decoration:none; }
ul{ list-style:none; }
img{ max-width:100%; display:block; }
button{ font:inherit; cursor:pointer; border:none; background:none; color:inherit; }

::selection{ background: var(--cyan); color: var(--bg-0); }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================
   BACKGROUND — animated network canvas + scanline
   ========================================================== */
#particle-bg{
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: transparent;
}

/* ==========================================================
   GLASS
   ========================================================== */
.glass{
  background: var(--mint);
  color: var(--mint-text);
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--clay-shadow);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.glass:hover{
  transform: translateY(-4px);
  box-shadow: 16px 16px 32px rgba(0,0,0,0.4), inset 8px 8px 14px rgba(255,255,255,0.8), inset -10px -10px 20px var(--mint-core);
}

.clay-coral{
  background: var(--coral) !important;
  color: var(--coral-text) !important;
  box-shadow: 12px 12px 24px rgba(0,0,0,0.3), inset 6px 6px 12px rgba(255,255,255,0.7), inset -8px -8px 16px var(--coral-core) !important;
}
.clay-coral:hover{
  box-shadow: 16px 16px 32px rgba(0,0,0,0.4), inset 8px 8px 14px rgba(255,255,255,0.8), inset -10px -10px 20px var(--coral-core) !important;
}

.clay-blue{
  background: var(--blue) !important;
  color: var(--blue-text) !important;
  box-shadow: 12px 12px 24px rgba(0,0,0,0.3), inset 6px 6px 12px rgba(255,255,255,0.7), inset -8px -8px 16px var(--blue-core) !important;
}
.clay-blue:hover{
  box-shadow: 16px 16px 32px rgba(0,0,0,0.4), inset 8px 8px 14px rgba(255,255,255,0.8), inset -10px -10px 20px var(--blue-core) !important;
}

/* text color overrides so headings/body copy read correctly on light clay cards */
.clay-coral h3, .clay-coral p, .clay-coral span, .clay-coral strong, .clay-coral .stat-label{ color: var(--coral-text); }
.clay-blue h3, .clay-blue p, .clay-blue span, .clay-blue strong, .clay-blue .stat-label{ color: var(--blue-text); }
.glass h3, .glass .stat-label{ color: var(--mint-text); }
.glass p{ color: rgba(6,78,59,0.75); }
.clay-coral p{ color: rgba(124,74,3,0.8); }
.clay-blue p{ color: rgba(30,58,95,0.75); }

/* ==========================================================
   NAVBAR
   ========================================================== */
.navbar{
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1100px, 92%);
  z-index: 100;
  border-radius: 999px;
  transition: background var(--ease) .3s, box-shadow var(--ease) .3s;
}

.navbar{ box-shadow: 8px 8px 16px rgba(0,0,0,0.28), inset 4px 4px 8px rgba(255,255,255,0.55), inset -6px -6px 12px var(--blue-core); border-radius: 999px; background: var(--blue); }
.navbar.scrolled{
  background: var(--blue);
  box-shadow: 12px 12px 24px rgba(0,0,0,0.32), inset 6px 6px 12px rgba(255,255,255,0.6), inset -8px -8px 16px var(--blue-core);
}

/* FIX: navbar carries class="navbar glass", and the generic .glass:hover
   rule sets transform: translateY(-4px), which was overwriting the
   translateX(-50%) needed to keep the pill centered — so hovering any
   child (like the GitHub icon) visually "moved" the whole navbar.
   This locks the navbar's transform regardless of hover state. */
.navbar.glass, .navbar.glass:hover{
  transform: translateX(-50%) !important;
}

.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 22px;
}

.logo{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
  color: var(--blue-text);
}
.logo-bracket{ color: rgba(30,58,95,0.55); }
.logo-accent{ color: var(--coral-text); }

.nav-links{
  display:flex;
  gap: 28px;
}

.nav-link{
  font-size: 0.92rem;
  font-weight: 600;
  color: rgba(30,58,95,0.65);
  position: relative;
  padding: 4px 2px;
  transition: color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0; bottom:-4px;
  width:0; height:2px;
  background: var(--coral-text);
  transition: width .25s var(--ease);
}
.nav-link:hover{ color: var(--blue-text); }
.nav-link:hover::after, .nav-link.active::after{ width:100%; }
.nav-link.active{ color: var(--blue-text); font-weight: 700; }

.nav-actions{ display:flex; align-items:center; gap: 14px; }

.btn-icon{
  display:flex; align-items:center; justify-content:center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--mint);
  border: none;
  color: var(--mint-text);
  box-shadow: 6px 6px 12px rgba(0,0,0,0.28), inset 4px 4px 8px rgba(255,255,255,0.6), inset -5px -5px 10px var(--mint-core);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), color .2s var(--ease);
}
.btn-icon:hover{ transform: translateY(-2px); }
.btn-icon:active{ box-shadow: 3px 3px 8px rgba(0,0,0,0.3), inset 4px 4px 8px rgba(255,255,255,0.5), inset -4px -4px 8px var(--mint-core); transform: translateY(0); }

.btn-hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  width: 30px;
}
.btn-hamburger span{
  display:block; height:2px; width:100%;
  background: var(--text-hi);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.btn-hamburger.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.btn-hamburger.open span:nth-child(2){ opacity:0; }
.btn-hamburger.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================
   LAYOUT / SECTIONS
   ========================================================== */
main{ position:relative; z-index:1; }

.section{
  max-width: 1160px;
  margin: 0 auto;
  padding: 120px 24px;
}

.section-head{ margin-bottom: 48px; max-width: 640px; }

.eyebrow{
  color: var(--cyan);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: lowercase;
  margin-bottom: 10px;
  display:block;
}

.section-title{
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: 0.5px;
}

.section-sub{
  color: var(--text-mid);
  margin-top: 12px;
  font-size: 1rem;
  max-width: 560px;
}

.inline-link{
  color: var(--blue);
  border-bottom: 1px solid rgba(147,197,253,0.4);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.inline-link:hover{ color: var(--text-hi); border-color: var(--text-hi); }

.text-gradient{
  background: linear-gradient(90deg, var(--cyan), var(--violet) 55%, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==========================================================
   HERO
   ========================================================== */
.hero{
  min-height: 100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding-top: 140px;
  position: relative;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items:center;
}

.hero-title{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin-top: 6px;
}

.terminal-chip{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 10px 18px;
  border-radius: 999px;
}
.terminal-dot{
  width: 11px; height: 11px;
  border-radius: 50%;
  box-shadow: inset 1px 1px 2px rgba(255,255,255,0.6), inset -1px -1px 2px rgba(0,0,0,0.25);
}
.dot-red{ background: #fb7185; }
.dot-amber{ background: #fcd34d; }
.dot-mint{ background: var(--mint); }

.hero-role{
  font-size: clamp(1rem, 2vw, 1.3rem);
  min-height: 1.6em;
  color: var(--blue-text);
  font-weight: 700;
}
.cursor{ animation: blink 1s step-end infinite; color: var(--blue-text); }
@keyframes blink{ 50%{ opacity:0; } }

.hero-desc{
  margin-top: 22px;
  color: var(--text-mid);
  font-size: 1.02rem;
  max-width: 560px;
}

.hero-stats{
  display:flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.stat{
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  display:flex;
  flex-direction:column;
  gap: 4px;
  min-width: 140px;
}
.stat-num{ font-size: 1.4rem; color: var(--mint-text); font-weight:700; }
.stat-label{ font-size: 0.78rem; color: var(--text-low); }

.hero-cta{
  display:flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.btn{
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  display:inline-block;
}
.btn-primary{
  background: var(--blue);
  color: var(--blue-text);
  box-shadow: 10px 10px 20px rgba(0,0,0,0.3), inset 6px 6px 12px rgba(255,255,255,0.7), inset -8px -8px 16px var(--blue-core);
  border: none;
  font-weight: 700;
}
.btn-primary:hover{ transform: translateY(-3px); }
.btn-primary:active{ box-shadow: 4px 4px 12px rgba(0,0,0,0.3), inset 5px 5px 10px rgba(255,255,255,0.5), inset -5px -5px 10px var(--blue-core); transform: translateY(0); }

.btn-ghost{
  background: var(--coral);
  border: none;
  color: var(--coral-text);
  box-shadow: 10px 10px 20px rgba(0,0,0,0.3), inset 6px 6px 12px rgba(255,255,255,0.7), inset -8px -8px 16px var(--coral-core);
  font-weight: 700;
}
.btn-ghost:hover{ transform: translateY(-3px); }
.btn-ghost:active{ box-shadow: 4px 4px 12px rgba(0,0,0,0.3), inset 5px 5px 10px rgba(255,255,255,0.5), inset -5px -5px 10px var(--coral-core); transform: translateY(0); }

.btn-full{ width:100%; text-align:center; }

/* Hero visual / profile */
.hero-visual{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 20px;
  position:relative;
}

.profile-ring{
  position: relative;
  width: 220px;
  height: 220px;
}

.profile-frame{
  position:absolute;
  inset: 14px;
  border-radius:50%;
  overflow:hidden;
  box-shadow: var(--clay-shadow);
}
.profile-frame img{ width:100%; height:100%; object-fit:cover; }

.ring-svg{ width:100%; height:100%; position:absolute; inset:0; animation: spin 14s linear infinite; }
.ring-track{ fill:none; stroke: rgba(147,197,253,0.15); stroke-width: 1.5; }
.ring-progress{
  fill:none;
  stroke: url(#none);
  stroke: var(--cyan);
  stroke-width: 2.5;
  stroke-dasharray: 220 653;
  stroke-linecap: round;
  filter: drop-shadow(0 0 6px var(--cyan));
}
@keyframes spin{ to{ transform: rotate(360deg); } }

.floating-badge{
  padding: 10px 18px;
  border-radius: 999px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 2px;
  animation: float 4s ease-in-out infinite;
}
.floating-badge span{ font-size: 0.7rem; color: var(--blue-text); letter-spacing: 1px; opacity: 0.8; }
.floating-badge strong{ font-size: 0.9rem; color: var(--blue-text); }
@keyframes float{ 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-8px);} }

.scroll-cue{
  position:absolute;
  bottom: 28px;
  left:50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid var(--glass-border);
  border-radius: 14px;
  display:flex;
  justify-content:center;
  padding-top: 6px;
}
.scroll-cue span{
  width:4px; height:8px;
  border-radius: 2px;
  background: var(--cyan);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue{ 0%{ opacity:1; transform:translateY(0);} 70%{ opacity:0; transform:translateY(14px);} 100%{opacity:0;} }

/* ==========================================================
   ABOUT
   ========================================================== */
.about-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.about-card{
  padding: 28px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.about-card:hover{
  transform: translateY(-6px);
}
.about-card h3{
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--mint-text);
}
.about-card p{ color: rgba(6,78,59,0.75); font-size: 0.95rem; }

/* ==========================================================
   PROJECTS
   ========================================================== */
.projects-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.project-card{
  padding: 26px;
  display:flex;
  flex-direction:column;
  gap: 12px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.project-card:hover{
  transform: translateY(-6px);
}

.project-top{ display:flex; justify-content:space-between; align-items:center; }
.project-tag{
  font-size: 0.7rem;
  font-weight: 700;
  color: inherit;
  border: 1px solid currentColor;
  opacity: 0.85;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.project-card h3{ font-family: var(--font-heading); font-size: 1.25rem; }
.project-card p{ font-size: 0.92rem; flex-grow:1; opacity: 0.85; }
.project-stack{ font-size: 0.72rem; opacity: 0.7; }

.project-links{ display:flex; gap: 18px; margin-top: 6px; }
.link-arrow{
  font-size: 0.85rem;
  font-weight: 700;
  color: inherit;
  transition: transform .2s var(--ease);
  display:inline-block;
}
.link-arrow:hover{ transform: translateX(4px); }

/* ==========================================================
   CERTIFICATIONS
   ========================================================== */
.cert-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cert-card{
  padding: 26px 20px;
  text-align:center;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.cert-active{ box-shadow: var(--clay-shadow), 0 0 0 3px var(--blue); }
.cert-card:hover{ transform: translateY(-6px); }
.cert-icon{ font-size: 1.8rem; margin-bottom: 10px; }
.cert-card h3{ font-family: var(--font-heading); font-size: 1.05rem; margin-bottom: 6px; }
.cert-card p{ font-size: 0.78rem; color: rgba(6,78,59,0.7); margin-bottom: 10px; }

/* ==========================================================
   CONTACT
   ========================================================== */
.contact-grid{
  display:grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 24px;
}

.contact-form{
  padding: 32px;
  display:flex;
  flex-direction:column;
  gap: 18px;
}
.form-row{ display:flex; flex-direction:column; gap: 6px; }
.form-row label{ font-size: 0.82rem; color: rgba(30,58,95,0.75); font-weight: 600; }
.form-row input, .form-row textarea{
  background: var(--bg-0);
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-hi);
  font-family: var(--font-body);
  resize: vertical;
  box-shadow: var(--clay-shadow-pressed);
  transition: box-shadow .2s var(--ease);
}
.form-row input:focus, .form-row textarea:focus{ box-shadow: var(--clay-shadow-pressed), 0 0 0 2px var(--blue); outline:none; }
.form-status{ font-size: 0.8rem; color: rgba(30,58,95,0.8); min-height: 1em; font-weight: 600; }

.contact-side{ display:flex; flex-direction:column; gap: 16px; }
.contact-link{
  padding: 18px 20px;
  display:flex;
  flex-direction:column;
  gap: 4px;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}
.contact-link span{ font-size: 0.75rem; color: rgba(6,78,59,0.6); text-transform: uppercase; letter-spacing: 1px; }
.contact-link strong{ font-size: 0.95rem; color: var(--mint-text); }
.contact-link:hover{ transform: translateX(6px); }

/* ==========================================================
   FOOTER
   ========================================================== */
.footer{
  margin: 60px 24px 24px;
  border-radius: var(--radius);
  position: relative;
  z-index: 1;
}
.footer-inner{
  max-width: 1160px;
  margin: 0 auto;
  padding: 44px 32px 24px;
  display:grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
}
.footer-brand p{ color: var(--text-low); font-size: 0.85rem; margin-top: 8px; }
.footer-links{ display:flex; flex-direction:column; gap: 10px; }
.footer-links a{ color: var(--text-mid); font-size: 0.9rem; transition: color .2s var(--ease); }
.footer-links a:hover{ color: var(--cyan); }
.footer-social{ display:flex; flex-direction:column; gap: 10px; align-items:flex-start; }
.footer-social a{ color: var(--text-mid); font-size: 0.9rem; transition: color .2s var(--ease); }
.footer-social a:hover{ color: var(--magenta); }

.footer-bottom{
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 32px 28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-top: 1px solid var(--glass-border);
}
.footer-bottom p{ color: var(--text-low); font-size: 0.78rem; }

.back-to-top{
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--blue-text);
  border: none;
  box-shadow: 6px 6px 12px rgba(0,0,0,0.28), inset 4px 4px 8px rgba(255,255,255,0.6), inset -5px -5px 10px var(--blue-core);
  transition: transform .2s var(--ease);
}
.back-to-top:hover{ transform: translateY(-4px); }

/* ==========================================================
   SCROLL REVEAL
   ========================================================== */
.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in-view{
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ order:-1; }
  .about-grid{ grid-template-columns: 1fr; }
  .projects-grid{ grid-template-columns: repeat(2, 1fr); }
  .cert-grid{ grid-template-columns: repeat(2, 1fr); }
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 720px){
  .nav-links{
    position: fixed;
    top: 78px;
    right: 16px;
    left: 16px;
    flex-direction: column;
    gap: 4px;
    background: var(--blue);
    border: none;
    border-radius: var(--radius);
    box-shadow: 10px 10px 20px rgba(0,0,0,0.32), inset 6px 6px 12px rgba(255,255,255,0.6), inset -8px -8px 16px var(--blue-core);
    padding: 14px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all .3s var(--ease);
  }
  .nav-links.open{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links li{ width:100%; }
  .nav-link{ display:block; padding: 10px 8px; }
  .btn-hamburger{ display:flex; }

  .projects-grid{ grid-template-columns: 1fr; }
  .cert-grid{ grid-template-columns: 1fr; }
  .section{ padding: 90px 20px; }
}