/* ============================================================
   NextGen Analytics — VIP Stylesheet  (style.css)
   Mobile-first · Accessible · Production-grade
   ============================================================ */
 
/* ── 1. DESIGN TOKENS ────────────────────────────────────────── */
:root {
  /* Brand colours */
  --c-blue   : #4b5fff;
  --c-purple : #6c5fff;
  --c-pink   : #ec4899;
  --c-violet : #a855f7;
  --c-cyan   : #00e5ff;
 
  /* Surfaces */
  --bg       : #080b14;
  --bg-alt   : #0d1120;
  --bg-card  : rgba(16,20,42,0.85);
  --bg-glass : rgba(255,255,255,0.04);
 
  /* Text */
  --text     : #f0f2ff;
  --text-dim : #9aa3c2;
  --text-mute: #5a6382;
 
  /* Borders */
  --border   : rgba(75,95,255,0.22);
  --border-h : rgba(108,95,255,0.55);
 
  /* Gradients */
  --grad-main: linear-gradient(135deg,#4b5fff,#a855f7,#ec4899);
  --grad-text: linear-gradient(90deg,#4b5fff,#a855f7,#ec4899);
 
  /* Shadows */
  --shadow-sm : 0 4px 16px rgba(0,0,0,0.4);
  --shadow-md : 0 8px 32px rgba(0,0,0,0.55);
  --shadow-lg : 0 16px 60px rgba(0,0,0,0.65);
  --glow-blue : 0 0 24px rgba(75,95,255,0.45);
  --glow-pink : 0 0 24px rgba(236,72,153,0.35);
 
  /* Layout */
  --header-h : 72px;
  --max-w    : 1200px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
 
  /* Motion */
  --ease     : cubic-bezier(.4,0,.2,1);
  --ease-out : cubic-bezier(0,0,.2,1);
  --t-fast   : 0.18s;
  --t-med    : 0.35s;
  --t-slow   : 0.6s;
 
  /* Typography */
  --font     : 'Poppins', 'Roboto', sans-serif;
}
 
/* ── 2. RESET ─────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
 
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}
 
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
 
img { max-width:100%; display:block; }
a   { color:inherit; text-decoration:none; }
ul  { list-style:none; }
button { font-family:inherit; }
 
/* Selection */
::selection { background:rgba(75,95,255,.35); color:#fff; }
 
/* Focus ring for accessibility */
:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: 3px;
  border-radius: 4px;
}
 
/* Scrollbar */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--c-blue),var(--c-purple));
  border-radius:3px;
}
 
/* ── 3. UTILITIES ─────────────────────────────────────────────── */
.container { width:92%; max-width:var(--max-w); margin:0 auto; }
 
.grad-text {
  background: var(--grad-text);
  background-size:200%;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
 
.section-title {
  font-size: clamp(1.8rem,4vw,2.8rem);
  font-weight:700;
  letter-spacing:.03em;
  position:relative;
  display:inline-block;
}
 
.section-title::after {
  content:"";
  position:absolute;
  bottom:-10px; left:50%;
  transform:translateX(-50%);
  width:80px; height:3px;
  background:var(--grad-main);
  border-radius:3px;
  box-shadow:0 0 12px rgba(75,95,255,.6);
}
 
/* Gradient keyframes (shared) */
@keyframes gradShift {
  0%   { background-position:0%   50%; }
  50%  { background-position:100% 50%; }
  100% { background-position:0%   50%; }
}
@keyframes pulseGlow {
  0%,100% { opacity:.7; }
  50%      { opacity:1;  }
}
@keyframes fadeUp {
  from { opacity:0; transform:translateY(28px); }
  to   { opacity:1; transform:translateY(0);    }
}
@keyframes fadeInRight {
  from { opacity:0; transform:translateX(30px); }
  to   { opacity:1; transform:translateX(0);    }
}
@keyframes float {
  from { transform:translateY(0);    }
  to   { transform:translateY(-9px); }
}
@keyframes spin {
  to { transform:translateY(-50%) rotate(360deg); }
}
@keyframes blink {
  0%,100% { opacity:1; }
  50%      { opacity:0; }
}
@keyframes ripple {
  to { transform:translate(-50%,-50%) scale(18); opacity:0; }
}
@keyframes borderPulse {
  0%   { background-position:0%   50%; opacity:.45; }
  50%  { background-position:100% 50%; opacity:.85; }
  100% { background-position:0%   50%; opacity:.45; }
}
@keyframes borderFast {
  0%   { background-position:0%   50%; opacity:.8; }
  50%  { background-position:100% 50%; opacity:1;  }
  100% { background-position:0%   50%; opacity:.8; }
}
@keyframes floatPart {
  0%   { transform:translate(0,0)       rotate(0deg);   }
  50%  { transform:translate(-50px,-30px) rotate(180deg); }
  100% { transform:translate(0,0)       rotate(360deg); }
}
@keyframes neonRotate {
  to { transform:rotate(360deg); }
}
@keyframes bounce {
  0%,100% { transform:translateY(0); }
  40%      { transform:translateY(-7px); }
  60%      { transform:translateY(-3px); }
}
@keyframes popIn {
  from { transform:scale(.82); opacity:0; }
  to   { transform:scale(1);   opacity:1; }
}
@keyframes confFall {
  0%   { transform:translateY(-20px) rotate(0deg);   opacity:1; }
  100% { transform:translateY(120vh) rotate(720deg); opacity:0; }
}
@keyframes shake {
  0%,100% { transform:translateX(0);   }
  20%      { transform:translateX(-8px); }
  40%      { transform:translateX(8px);  }
  60%      { transform:translateX(-5px); }
  80%      { transform:translateX(5px);  }
}
 
/* ── 4. HEADER ────────────────────────────────────────────────── */
#header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem,4vw,2.5rem);
  background: rgba(8,11,20,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(75,95,255,.12);
  z-index: 1000;
  transition: background var(--t-med) var(--ease),
              box-shadow var(--t-med) var(--ease),
              height var(--t-med) var(--ease);
}
 
#header.sticky {
  height: 60px;
  background: rgba(8,11,20,.98);
  box-shadow: 0 2px 20px rgba(0,0,0,.6);
}
 
/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
 
.logo img {
  height: 44px;
  width: auto;
  border-radius: 8px;
  transition: transform var(--t-med), filter var(--t-med);
  filter: drop-shadow(0 0 6px rgba(75,95,255,.5));
}
.logo img:hover {
  transform: scale(1.08);
  filter: drop-shadow(0 0 10px rgba(75,95,255,.8));
}
 
.logo h1 {
  font-size: clamp(.95rem,2vw,1.15rem);
  font-weight:600;
  color:#fff;
  line-height:1.2;
  white-space:nowrap;
}
.logo h1 span { color:var(--c-blue); }
 
/* Nav */
#nav-menu {
  display: flex;
  gap: clamp(.8rem,1.5vw,1.6rem);
  align-items: center;
}
 
#nav-menu li a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color var(--t-fast);
  padding: .25rem 0;
  position: relative;
  white-space: nowrap;
}
 
#nav-menu li a::after {
  content:"";
  position:absolute;
  bottom:-2px; left:0;
  width:0; height:2px;
  background:var(--grad-main);
  border-radius:2px;
  transition:width var(--t-med) var(--ease);
}
 
#nav-menu li a:hover,
#nav-menu li a.active {
  color: #fff;
}
#nav-menu li a:hover::after,
#nav-menu li a.active::after { width:100%; }
 
/* Mobile toggle */
#menu-toggle {
  display: none;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: #fff;
  font-size: 1.4rem;
  width: 42px;
  height: 42px;
  cursor: pointer;
  transition: background var(--t-fast), transform var(--t-fast);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
#menu-toggle:hover {
  background: rgba(75,95,255,.2);
  transform: scale(1.05);
}
 
/* ── MOBILE NAV ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  #menu-toggle { display: flex; }
 
  #nav-menu {
    /* off-canvas drawer */
    position: fixed;
    top: 0; right: -100%;
    width: min(280px, 80vw);
    height: 100dvh;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: calc(var(--header-h) + 1rem) 1.5rem 2rem;
    background: rgba(8,11,20,.97);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    box-shadow: -8px 0 40px rgba(0,0,0,.6);
    overflow-y: auto;
    transition: right var(--t-slow) var(--ease);
    z-index: 999;
  }
 
  #nav-menu.active { right: 0; }
 
  #nav-menu li { width: 100%; }
 
  #nav-menu li a {
    display: block;
    padding: .85rem 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,.06);
    color: var(--text-dim);
  }
 
  #nav-menu li a::after { display:none; }
  #nav-menu li a:hover,
  #nav-menu li a.active { color:#fff; padding-left:.5rem; }
}
 
/* Backdrop overlay when nav open */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 998;
}
.nav-backdrop.active { display: block; }
 
 
/* ── 5. HERO ──────────────────────────────────────────────────── */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-h) + 2rem) clamp(1rem,4vw,2rem) 4rem;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(75,95,255,.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(168,85,247,.1) 0%, transparent 60%),
    var(--bg);
  position: relative;
  overflow: hidden;
}
 
/* animated grain overlay */
.hero::before {
  content:"";
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
  pointer-events:none; opacity:.4; z-index:0;
}
 
.hero-container {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(2rem,5vw,4rem);
  max-width: var(--max-w);
  width: 100%;
  align-items: center;
  position: relative;
  z-index: 1;
}
 
/* Profile image side */
.hero-left {
  flex: 1 1 260px;
  display: flex;
  justify-content: center;
}
 
.profile-pic-wrapper {
  position: relative;
  width: clamp(200px,30vw,280px);
  height: clamp(200px,30vw,280px);
  border-radius: 50%;
  transform-style: preserve-3d;
  cursor: pointer;
}
 
.profile-pic {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--c-blue);
  transition: box-shadow var(--t-med), transform var(--t-med);
}
 
.profile-pic-wrapper:hover .profile-pic {
  box-shadow: 0 0 50px var(--c-blue), 0 0 80px rgba(108,95,255,.5);
  transform: scale(1.04);
}
 
.glow-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--grad-main) border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: neonRotate 8s linear infinite;
  opacity: .7;
}
 
/* Text side */
.hero-right {
  flex: 1 1 320px;
  animation: fadeInRight .9s var(--ease) both;
}
 
.hero-title {
  font-size: clamp(1.9rem,4.5vw,3.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
}
 
.hero-title .highlight {
  background: var(--grad-text);
  background-size: 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradShift 4s var(--ease) infinite;
}
 
.hero-subtitle {
  font-size: clamp(1rem,2.5vw,1.3rem);
  color: var(--text-dim);
  margin-bottom: 2rem;
  min-height: 1.6em;
}
 
#typing-text {
  color: var(--c-blue);
  font-weight: 600;
}
 
.type-cursor {
  color: var(--c-purple);
  font-weight: 300;
  animation: blink .7s step-end infinite;
}
 
/* Hero buttons */
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
}
 
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .7rem 1.6rem;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: transform var(--t-fast), box-shadow var(--t-fast), opacity var(--t-fast);
  min-height: 46px;            /* touch target */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
 
.btn:active { transform:scale(.95); opacity:.85; }
 
.btn-primary {
  background: var(--grad-main);
  background-size: 300%;
  color: #fff;
  box-shadow: 0 4px 18px rgba(75,95,255,.4);
  animation: gradShift 6s var(--ease) infinite;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(75,95,255,.6);
}
 
a.btn-glow, button.btn-glow {
  background: transparent;
  color: var(--c-blue);
  border: 2px solid var(--c-blue);
  box-shadow: 0 0 10px rgba(75,95,255,.3);
  padding: .68rem 1.58rem;
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  border-radius: 50px;
  cursor: pointer;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: all var(--t-med);
}
a.btn-glow:hover, button.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--c-blue), 0 0 40px var(--c-violet);
  color: #fff;
  border-color: var(--c-purple);
}
a.btn-glow:active, button.btn-glow:active { transform:scale(.95); }
 
/* Hero responsive */
@media (max-width: 640px) {
  .hero-container { flex-direction:column; text-align:center; }
  .hero-buttons   { justify-content:center; }
  .hero-right     { text-align:center; }
}
 
/* ── 6. ABOUT ─────────────────────────────────────────────────── */
#about {
  padding: clamp(3rem,8vw,6rem) clamp(1rem,4vw,2rem);
  background:
    radial-gradient(ellipse 70% 50% at 80% 20%, rgba(108,95,255,.08) 0%,transparent 60%),
    var(--bg);
  text-align: center;
}
 
#about h2 {
  font-size: clamp(1.8rem,4vw,2.8rem);
  font-weight: 700;
  margin-bottom: 2.5rem;
  background: var(--grad-text);
  background-size: 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
 
.about-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%,260px),1fr));
  gap: clamp(1.2rem,3vw,2rem);
  justify-items: center;
}
 
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem,4vw,2.2rem);
  width: 100%;
  max-width: 340px;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med) var(--ease),
              box-shadow var(--t-med) var(--ease),
              border-color var(--t-med);
  backdrop-filter: blur(10px);
}
 
.about-card::before {
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(135deg,rgba(75,95,255,.06),rgba(168,85,247,.04));
  opacity:0;
  transition:opacity var(--t-med);
}
 
.about-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-h);
  box-shadow: 0 20px 50px rgba(75,95,255,.25), inset 0 0 20px rgba(75,95,255,.06);
}
.about-card:hover::before { opacity:1; }
 
.about-card h3 {
  font-size:1.25rem; font-weight:600;
  margin-bottom:.85rem; color:#fff;
  position:relative; z-index:1;
}
 
.about-card p {
  color:var(--text-dim); line-height:1.7;
  font-size:.95rem; position:relative; z-index:1;
}
 
 
/* ── 7. EXPERIENCE ────────────────────────────────────────────── */
#experience {
  padding: clamp(3rem,8vw,6rem) clamp(1rem,4vw,2rem);
  background: var(--bg-alt);
  text-align: center;
}
 
#experience h2 {
  font-size: clamp(1.8rem,4vw,2.8rem);
  font-weight: 700;
  margin-bottom: 2.5rem;
  background: var(--grad-text);
  background-size: 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradShift 5s var(--ease) infinite;
}
 
.experience-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%,300px),1fr));
  gap: clamp(1.2rem,3vw,2rem);
}
 
.experience-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem,4vw,2.2rem);
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med) var(--ease),
              box-shadow var(--t-med) var(--ease);
  text-align: left;
  backdrop-filter: blur(10px);
}
 
/* animated gradient border on hover */
.experience-card::before {
  content:"";
  position:absolute; inset:0;
  border-radius:inherit;
  border:2px solid transparent;
  background: linear-gradient(135deg,#4b5fff,#a855f7,#ec4899,#4b5fff)
    border-box;
  background-size:300%;
  -webkit-mask: linear-gradient(#000 0 0) content-box,
                linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  padding:2px;
  opacity:0;
  animation:borderPulse 4s linear infinite;
  transition:opacity var(--t-med);
}
 
.experience-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(75,95,255,.3),
              inset 0 0 20px rgba(168,85,247,.08);
}
.experience-card:hover::before { opacity:1; }
 
.experience-card h3 {
  font-size:1.25rem; font-weight:600;
  margin-bottom:1rem; color:#fff;
  position:relative; z-index:2;
}
.experience-card p {
  color:var(--text-dim); line-height:1.75;
  font-size:.93rem; position:relative; z-index:2;
}
 
.card-particles {
  position:absolute; inset:0;
  pointer-events:none; overflow:hidden; z-index:0;
}
.card-particles .particle {
  position:absolute;
  border-radius:50%;
  background:rgba(75,95,255,.2);
}
 
 
/* ── 8. SKILLS ────────────────────────────────────────────────── */
#skills {
  padding: clamp(3rem,8vw,6rem) clamp(1rem,4vw,2rem);
  background: var(--bg);
  text-align: center;
}
 
#skills h2 {
  font-size: clamp(1.8rem,4vw,2.8rem);
  font-weight: 700;
  margin-bottom: 3rem;
  background: var(--grad-text);
  background-size: 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradShift 5s var(--ease) infinite;
}
 
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1.5rem,4vw,2.5rem);
}
 
.skill-circle {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--t-med);
  overflow: hidden;
}
.skill-circle:hover { transform:scale(1.1); }
 
.skill-ring {
  position:absolute; inset:0;
  width:140px; height:140px;
  transform:rotate(-90deg);
  z-index:1;
}
.skill-ring circle { fill:none; stroke-width:10; }
.ring-bg { stroke:#1e2340; }
.ring-progress {
  stroke: var(--c-blue);
  stroke-linecap: round;
  stroke-dasharray: 377;
  stroke-dashoffset: 377;
  transition: stroke-dashoffset 1.6s var(--ease-out);
}
 
.skill-percent {
  font-size:1.3rem; font-weight:700;
  position:absolute; top:22px;
  z-index:2; color:#fff;
  text-shadow: 0 0 8px rgba(75,95,255,.6);
}
.skill-name {
  position:absolute; bottom:18px;
  font-size:.88rem; font-weight:600;
  z-index:2; color:var(--text-dim);
  text-align:center; width:100%;
}
.skill-particles {
  position:absolute; inset:0;
  pointer-events:none; z-index:0;
}
 
@media (max-width:480px) {
  .skill-circle { width:120px; height:120px; }
  .skill-ring   { width:120px; height:120px; }
  .skill-percent { font-size:1.1rem; top:18px; }
}
 
 
/* ── 9. CERTIFICATIONS ────────────────────────────────────────── */
#certifications {
  padding: clamp(3rem,8vw,6rem) clamp(1rem,4vw,2rem);
  background:
    radial-gradient(ellipse 60% 50% at 10% 20%, rgba(75,95,255,.1) 0%,transparent 55%),
    var(--bg-alt);
  text-align: center;
}
 
#certifications .section-title {
  font-size: clamp(1.8rem,4vw,2.6rem);
  margin-bottom: 2.5rem;
  background: var(--grad-text);
  background-size:200%;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
 
.certification-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%,320px),1fr));
  gap: clamp(1.2rem,3vw,2rem);
  justify-items: center;
}
 
.certification-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem,3vw,2rem);
  width: 100%;
  max-width: 480px;
  backdrop-filter: blur(12px);
  transition: transform var(--t-med) var(--ease),
              box-shadow var(--t-med),
              border-color var(--t-med);
  position: relative;
  overflow: hidden;
  text-align: left;
}
 
.certification-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-h);
  box-shadow: 0 20px 50px rgba(75,95,255,.25),
              inset 0 0 15px rgba(168,85,247,.1);
}
 
.certification-card h3 {
  color: var(--c-violet);
  margin-bottom:1rem;
  font-size:1.1rem; font-weight:600;
  text-shadow:0 0 8px rgba(168,85,247,.4);
}
 
.certification-card ul {
  margin-bottom:1.4rem;
  font-size:.9rem; color:var(--text-dim);
  line-height:1.7;
}
.certification-card li {
  padding-left:1.2rem; position:relative;
  margin-bottom:.4rem;
}
.certification-card li::before {
  content:"•";
  position:absolute; left:0;
  color:var(--c-pink);
  font-weight:700;
  text-shadow:0 0 6px rgba(236,72,153,.5);
}
 
/* Certificate button */
.cert-btn {
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  background: var(--grad-main);
  background-size:300%;
  color:#fff;
  padding:.65rem 1.4rem;
  border-radius:10px;
  font-size:.88rem; font-weight:600;
  letter-spacing:.04em;
  position:relative; overflow:hidden;
  transition:transform var(--t-fast), box-shadow var(--t-fast);
  box-shadow:0 4px 18px rgba(75,95,255,.35);
  animation:gradShift 6s var(--ease) infinite;
  min-height:42px;
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
}
.cert-btn::before {
  content:"";
  position:absolute;
  top:-50%; left:-75%;
  width:200%; height:200%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.4),transparent);
  transform:rotate(45deg);
  opacity:0;
  transition:opacity .4s;
}
.cert-btn:hover {
  transform:translateY(-2px) scale(1.05);
  box-shadow:0 8px 30px rgba(75,95,255,.55),
             0 0 40px rgba(168,85,247,.4);
}
.cert-btn:hover::before { opacity:1; animation:glowSlide 1.3s ease-in-out forwards; }
.cert-btn:active::after {
  content:"";
  position:absolute; top:50%; left:50%;
  width:10px; height:10px;
  background:rgba(255,255,255,.5);
  border-radius:50%;
  transform:translate(-50%,-50%) scale(1);
  animation:ripple .6s ease-out forwards;
}
 
@keyframes glowSlide {
  0%   { transform:translateX(-120%) rotate(45deg); }
  100% { transform:translateX(120%)  rotate(45deg); }
}
 
 
/* ── 10. PROJECTS ─────────────────────────────────────────────── */
#projects {
  padding: clamp(3rem,8vw,6rem) clamp(1rem,4vw,2rem);
  background:
    radial-gradient(ellipse 70% 60% at 90% 10%, rgba(168,85,247,.08) 0%,transparent 55%),
    var(--bg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
 
/* subtle floating dots */
#projects::before {
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(circle,rgba(75,95,255,.18) 1.5px,transparent 2px),
    radial-gradient(circle,rgba(168,85,247,.12) 1.5px,transparent 2px);
  background-size:90px 90px, 140px 140px;
  animation:floatPart 80s linear infinite;
  opacity:.3; pointer-events:none; z-index:0;
}
 
#projects .section-title {
  font-size:clamp(1.8rem,4vw,2.8rem);
  margin-bottom:2.5rem;
  background:var(--grad-text);
  background-size:200%;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  position:relative; z-index:2;
  text-transform:uppercase; letter-spacing:.1em;
}
 
.projects-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%,340px),1fr));
  gap: clamp(1.2rem,3vw,2.2rem);
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
 
.project-card {
  background: rgba(14,18,44,.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem,4vw,2.2rem);
  text-align: left;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med) var(--ease),
              box-shadow var(--t-med),
              border-color var(--t-med);
  backdrop-filter: blur(10px);
  animation: fadeUp .7s var(--ease) both;
}
 
.project-card::before {
  content:"";
  position:absolute; inset:0;
  border-radius:inherit;
  border:2px solid transparent;
  background:linear-gradient(135deg,#4b5fff,#a855f7,#ec4899,#4b5fff)
    border-box;
  background-size:300%;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  padding:2px;
  opacity:.4;
  animation:borderPulse 6s linear infinite;
  transition:opacity var(--t-med);
}
.project-card:hover {
  transform:translateY(-10px);
  border-color:rgba(75,95,255,.6);
  box-shadow:0 28px 70px rgba(75,95,255,.28),
             inset 0 0 20px rgba(168,85,247,.08);
}
.project-card:hover::before { opacity:.85; animation:borderFast 3s linear infinite; }
 
.project-title {
  font-size:clamp(1.1rem,2.5vw,1.45rem);
  font-weight:700; color:#fff;
  margin-bottom:.5rem;
  text-shadow:0 0 10px rgba(75,95,255,.4);
}
.project-location {
  font-size:.88rem; color:var(--c-blue);
  margin-bottom:1.1rem; font-style:italic;
}
.project-details {
  list-style:disc; margin-left:1.2rem;
}
.project-details li {
  margin-bottom:.6rem; color:var(--text-dim);
  line-height:1.65; font-size:.92rem;
  transition:color var(--t-fast), transform var(--t-fast);
}
.project-details li:hover { color:#fff; transform:translateX(5px); }
 
.proj-btn {
  display:inline-flex;
  align-items:center;
  margin-top:1.4rem;
  padding:.65rem 1.4rem;
  font-size:.88rem; font-weight:600;
  color:#fff; text-transform:uppercase; letter-spacing:.05em;
  border-radius:10px; border:none;
  background:var(--grad-main);
  background-size:300%;
  animation:gradShift 6s var(--ease) infinite;
  box-shadow:0 4px 18px rgba(75,95,255,.3);
  transition:transform var(--t-fast), box-shadow var(--t-fast);
  position:relative; overflow:hidden;
  min-height:42px;
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
}
.proj-btn::after {
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.15),transparent);
  transform:translateX(-100%);
  transition:transform .5s;
}
.proj-btn:hover {
  transform:translateY(-3px);
  box-shadow:0 10px 35px rgba(75,95,255,.5),
             0 0 40px rgba(168,85,247,.4);
}
.proj-btn:hover::after { transform:translateX(100%); }
.proj-btn:active { transform:scale(.95); }
 
/* ── 11. SERVICES ─────────────────────────────────────────────── */
#service {
  padding: clamp(3rem,8vw,6rem) clamp(1rem,4vw,2rem);
  background: var(--bg-alt);
  text-align: center;
  position:relative; overflow:hidden;
}
 
#service::before {
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(circle,rgba(75,95,255,.15) 1.5px,transparent 2px),
    radial-gradient(circle,rgba(236,72,153,.1) 1.5px,transparent 2px);
  background-size:100px 100px, 160px 160px;
  animation:floatPart 70s linear infinite;
  opacity:.25; pointer-events:none;
}
 
#service .section-title {
  font-size:clamp(1.8rem,4vw,2.6rem);
  margin-bottom:2.5rem;
  background:var(--grad-text);
  background-size:200%;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  text-transform:uppercase; letter-spacing:.08em;
  position:relative; z-index:2;
}
 
.services-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%,240px),1fr));
  gap: clamp(1.2rem,3vw,2rem);
  max-width: var(--max-w);
  margin: 0 auto;
  position:relative; z-index:2;
}
 
.service-card {
  background: radial-gradient(circle at 30% 30%, #131731 0%, #0c1020 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem,4vw,2.2rem) clamp(1.2rem,3vw,1.8rem);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med) var(--ease),
              box-shadow var(--t-med);
  backdrop-filter:blur(8px);
}
 
.service-card::before {
  content:"";
  position:absolute; inset:0;
  border-radius:inherit;
  border:2px solid transparent;
  background:linear-gradient(135deg,#4b5fff,#a855f7,#ec4899,#4b5fff) border-box;
  background-size:300%;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  padding:2px; opacity:.4;
  animation:borderPulse 4s linear infinite;
  transition:opacity var(--t-med);
}
.service-card:hover {
  transform:translateY(-8px);
  box-shadow:0 20px 50px rgba(75,95,255,.25);
}
.service-card:hover::before { opacity:1; animation:borderFast 2.5s linear infinite; }
 
.service-card i {
  font-size:2.6rem; color:var(--c-blue);
  margin-bottom:1rem; display:block;
  text-shadow:0 0 14px rgba(75,95,255,.7);
}
.service-card h3 {
  font-size:1.1rem; font-weight:600; color:#fff;
  margin-bottom:.75rem;
}
.service-card p { font-size:.9rem; color:var(--text-dim); line-height:1.65; }
 
 
/* ── 12. PRICING ──────────────────────────────────────────────── */
#pricing {
  padding: clamp(3rem,8vw,6rem) clamp(1rem,4vw,2rem);
  background:
    radial-gradient(ellipse 60% 50% at 70% 80%, rgba(108,95,255,.08) 0%,transparent 55%),
    var(--bg);
  text-align: center;
  position:relative; overflow:hidden;
}
 
#pricing .section-title {
  font-size:clamp(1.8rem,4vw,2.6rem);
  margin-bottom:.75rem;
  background:var(--grad-text);
  background-size:200%;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  text-transform:uppercase; letter-spacing:.08em;
}
 
.section-subtitle { color:var(--text-dim); margin-bottom:2.5rem; font-size:.95rem; }
 
.pricing-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%,240px),1fr));
  gap: clamp(1.2rem,3vw,2rem);
  max-width: 960px;
  margin: 0 auto;
}
 
.pricing-card {
  background: radial-gradient(circle at 30% 30%, #131731 0%, #0c1020 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem,4vw,2.2rem);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med) var(--ease),
              box-shadow var(--t-med);
}
.pricing-card::before {
  content:"";
  position:absolute; inset:0;
  border-radius:inherit;
  border:2px solid transparent;
  background:linear-gradient(135deg,#4b5fff,#a855f7,#ec4899,#4b5fff) border-box;
  background-size:300%;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  padding:2px; opacity:.35;
  animation:borderPulse 4s linear infinite;
  transition:opacity var(--t-med);
}
.pricing-card:hover {
  transform:translateY(-8px);
  box-shadow:0 20px 50px rgba(75,95,255,.25);
}
.pricing-card:hover::before { opacity:1; animation:borderFast 2.5s linear infinite; }
 
.pricing-card.featured {
  border-color:rgba(75,95,255,.5);
  box-shadow:0 0 30px rgba(75,95,255,.2);
  transform:scale(1.04);
}
@media (max-width:640px) { .pricing-card.featured { transform:scale(1); } }
 
.pricing-card h3 { font-size:1.2rem; font-weight:600; margin-bottom:.5rem; color:#fff; }
.pricing-card h2 {
  font-size:2rem; font-weight:700; color:var(--c-blue);
  margin-bottom:1rem;
  text-shadow:0 0 10px rgba(75,95,255,.5);
}
.pricing-card ul { margin:1rem 0 1.5rem; }
.pricing-card ul li {
  margin:.6rem 0; color:var(--text-dim); font-size:.9rem;
  list-style:none;
}
.pricing-card .btn {
  display:inline-flex; align-items:center;
  padding:.65rem 1.6rem; border-radius:8px;
  background:var(--grad-main);
  background-size:200%;
  color:#fff; font-size:.9rem; font-weight:600;
  animation:gradShift 6s var(--ease) infinite;
  transition:transform var(--t-fast), box-shadow var(--t-fast);
  min-height:44px;
  touch-action:manipulation;
}
.pricing-card .btn:hover {
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(75,95,255,.4);
}
 
.custom-project {
  margin-top: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem,4vw,2.5rem);
  max-width: 600px;
  margin-inline: auto;
  margin-top: 3rem;
}
.custom-project h3 { font-size:1.3rem; margin-bottom:.5rem; color:#fff; }
.custom-project p  { color:var(--text-dim); margin-bottom:1.2rem; font-size:.95rem; }
 
 
/* ── 13. CONTACT ──────────────────────────────────────────────── */
#contact {
  padding: clamp(3rem,8vw,6rem) clamp(1rem,4vw,2rem);
  background:
    radial-gradient(ellipse 70% 50% at 15% 30%, rgba(75,95,255,.12) 0%,transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 70%, rgba(168,85,247,.08) 0%,transparent 55%),
    var(--bg-alt);
  position:relative; overflow:hidden;
}
 
#contact .section-title {
  text-align:center;
  font-size:clamp(1.8rem,4vw,2.6rem);
  margin-bottom:2.5rem;
  background:var(--grad-text);
  background-size:200%;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  animation:gradShift 5s var(--ease) infinite;
  text-transform:uppercase; letter-spacing:.08em;
}
 
.contact-bg {
  position:absolute; inset:0; pointer-events:none; z-index:0;
}
.neon-particle {
  position:absolute; border-radius:50%;
  background:linear-gradient(135deg,#4b5fff,#a855f7,#ec4899);
  pointer-events:none;
  animation:floatParticle linear infinite;
}
@keyframes floatParticle {
  0%   { transform:translateY(0)   translateX(0)   scale(1);   opacity:.2; }
  50%  { transform:translateY(-35px) translateX(18px) scale(1.2); opacity:.7; }
  100% { transform:translateY(0)   translateX(0)   scale(1);   opacity:.2; }
}
 
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem,4vw,3.5rem);
  max-width: 960px;
  margin: 0 auto;
  position:relative; z-index:1;
}
 
@media (max-width:720px) {
  .contact-container { grid-template-columns:1fr; }
}
 
/* ── Form wrapper ── */
.contact-left form,
#contactForm {
  background: linear-gradient(145deg,rgba(16,14,42,.95),rgba(10,9,28,.98));
  padding: clamp(1.6rem,4vw,2.4rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--t-med), border-color var(--t-med);
}
 
/* animated corner accent */
.contact-left form::before,
#contactForm::before {
  content:"";
  position:absolute; top:0; left:0;
  width:100px; height:100px;
  background:radial-gradient(circle at top left, rgba(75,95,255,.18), transparent 70%);
  pointer-events:none;
}
.contact-left form::after,
#contactForm::after {
  content:"";
  position:absolute; bottom:0; right:0;
  width:80px; height:80px;
  background:radial-gradient(circle at bottom right, rgba(168,85,247,.12), transparent 70%);
  pointer-events:none;
}
 
.contact-left form:hover,
#contactForm:hover {
  border-color: var(--border-h);
  box-shadow: 0 0 40px rgba(75,95,255,.22), inset 0 0 20px rgba(75,95,255,.04);
}
 
.contact-left h3 {
  color:var(--c-blue); font-size:1.4rem; font-weight:600;
  margin-bottom:1.5rem;
  text-shadow:0 0 10px rgba(75,95,255,.4);
}
 
/* ── Form groups ── */
.form-group { position:relative; margin-bottom:1.4rem; }
 
.form-group input,
.form-group textarea,
#contactForm input,
#contactForm textarea {
  width:100%;
  padding:.9rem 1.1rem;
  border-radius:10px;
  border:1px solid var(--border);
  background:rgba(12,14,36,.75);
  color:var(--text);
  font-size:.95rem;
  font-family:var(--font);
  outline:none;
  transition:border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  -webkit-appearance:none;
  position:relative; z-index:1;
}
.form-group textarea,
#contactForm textarea { min-height:130px; resize:vertical; line-height:1.65; }
 
.form-group input:focus,
.form-group textarea:focus,
#contactForm input:focus,
#contactForm textarea:focus {
  border-color: var(--c-purple);
  background: rgba(16,12,42,.9);
  box-shadow:
    0 0 0 3px rgba(108,95,255,.18),
    0 0 20px rgba(75,95,255,.25),
    0 0 40px rgba(168,85,247,.12);
}
 
/* floating label */
.form-group label {
  position:absolute;
  top:50%; left:1rem;
  transform:translateY(-50%);
  color:var(--text-mute);
  font-size:.92rem;
  pointer-events:none;
  transition:.25s var(--ease);
  background:transparent;
  z-index:2;
}
.form-group textarea ~ label { top:1rem; transform:none; }
 
.form-group input:focus + label,
.form-group input.focused + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea.focused + label,
.form-group textarea:not(:placeholder-shown) + label {
  top:-10px; left:.75rem;
  font-size:.76rem; color:var(--c-blue);
  background:rgba(10,12,30,.95);
  padding:0 6px; border-radius:4px;
  transform:none;
}
 
/* field validation */
.field-invalid {
  border-color:#ef4444 !important;
  box-shadow:0 0 0 2px rgba(239,68,68,.2) !important;
}
.field-error {
  display:block; font-size:.78rem; color:#f87171;
  margin-top:4px; min-height:16px;
  opacity:0; transform:translateY(-4px);
  transition:all .2s;
}
.field-error.visible { opacity:1; transform:translateY(0); }
 
/* char counter */
.char-counter {
  font-size:.75rem; color:var(--text-mute);
  text-align:right; margin-top:3px;
  transition:color .2s;
}
.char-counter.char-warn  { color:#fbbf24; }
.char-counter.char-limit { color:#ef4444; font-weight:600; }
 
/* ── Progress bar ── */
.send-progress {
  height:3px; background:rgba(255,255,255,.08);
  border-radius:3px; overflow:hidden; margin-bottom:12px;
}
.send-progress-fill {
  height:100%; width:0%;
  background:linear-gradient(90deg,#4b5fff,#6c5fff,#ff4bff);
  border-radius:3px; transition:width .3s var(--ease);
}
 
/* ── Send / Submit button ── */
#sendBtn,
.contact-left .btn-glow[type="submit"],
.contact-left button[type="submit"] {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  width:100%;
  padding:.9rem 1.8rem;
  border:none;
  border-radius:10px;
  cursor:pointer;
  font-family:var(--font);
  font-size:.95rem;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:#fff;
  background: linear-gradient(135deg,#3b4fff 0%,#7c3aed 50%,#2563eb 100%);
  background-size:300%;
  animation:gradShift 6s var(--ease) infinite;
  position:relative; overflow:hidden;
  transition:transform var(--t-fast), box-shadow var(--t-fast);
  box-shadow:0 4px 20px rgba(75,95,255,.4);
  min-height:48px;
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
}
#sendBtn::before,
.contact-left button[type="submit"]::before {
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.15),transparent);
  transform:translateX(-100%);
  transition:transform .5s;
}
#sendBtn:hover,
.contact-left button[type="submit"]:hover {
  transform:translateY(-2px);
  box-shadow:0 8px 32px rgba(75,95,255,.6),
             0 0 40px rgba(168,85,247,.35);
}
#sendBtn:hover::before,
.contact-left button[type="submit"]:hover::before { transform:translateX(100%); }
#sendBtn:active { transform:scale(.96); }
#sendBtn:disabled {
  opacity:.6; cursor:not-allowed;
  transform:none; animation:none;
}
 
/* Loading spinner inside button */
.btn-glow.btn-loading {
  opacity:.75; cursor:not-allowed;
  position:relative; padding-left:42px;
}
.btn-glow.btn-loading::before {
  content:"";
  position:absolute; left:14px; top:50%;
  transform:translateY(-50%);
  width:16px; height:16px;
  border:2px solid rgba(255,255,255,.3);
  border-top-color:#fff; border-radius:50%;
  animation:spin .7s linear infinite;
}
.btn-glow.btn-success { background:linear-gradient(135deg,#16a34a,#22c55e) !important; animation:none !important; }
.btn-glow.btn-error   { background:linear-gradient(135deg,#b91c1c,#ef4444) !important; animation:none !important; }
 
/* ── Status messages ── */
.status-message,
#statusMsg {
  margin-top:10px; font-size:.85rem; font-weight:500;
  text-align:center; letter-spacing:.03em;
  transition:opacity .3s; min-height:20px;
}
.status-sending  { color:#818cf8; }
.status-success  { color:#22c55e; }
.status-error,
#statusMsg.error { color:#f87171; }
.status-warn     { color:#fbbf24; }
#statusMsg       { color:var(--c-cyan); }
 
/* Contact info card */
.contact-right {
  background: var(--bg-card);
  padding: clamp(1.4rem,4vw,2.2rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.contact-right h3 {
  color:var(--c-blue); font-size:1.4rem; font-weight:600;
  margin-bottom:1.5rem;
  text-shadow:0 0 10px rgba(75,95,255,.4);
}
.contact-detail {
  display:flex; align-items:center; gap:.75rem;
  font-size:.95rem; color:var(--text-dim);
  margin-bottom:1rem; padding:.5rem 0;
  border-bottom:1px solid rgba(255,255,255,.05);
  transition:transform var(--t-fast), color var(--t-fast);
}
.contact-detail:hover { transform:translateX(6px); color:#fff; }
.contact-detail:last-child { border-bottom:none; }
.contact-detail i   { color:var(--c-blue); font-size:1.1rem; width:20px; flex-shrink:0; }
.contact-detail a   { color:inherit; transition:color var(--t-fast); }
.contact-detail a:hover { color:var(--c-violet); }
 
 
/* ── 14. SOCIAL MEDIA ─────────────────────────────────────────── */
#social-media {
  padding: clamp(3rem,8vw,6rem) clamp(1rem,4vw,2rem);
  background: var(--bg-alt);
  text-align: center;
  position:relative; overflow:hidden;
}
 
#social-media h2 {
  font-size: clamp(1.8rem,4vw,2.8rem);
  font-weight:800; margin-bottom:3rem;
  color:#fff; text-transform:uppercase; letter-spacing:.1em;
  text-shadow:0 0 8px #ff00ff, 0 0 16px #00ffff;
  animation:flicker 3s infinite alternate;
}
@keyframes flicker {
  0%,18%,22%,25%,53%,57%,100% {
    text-shadow:0 0 6px #ff00ff, 0 0 12px #00ffff, 0 0 22px #ff00ff;
  }
  20%,24%,55% {
    text-shadow:0 0 3px #ff00ff, 0 0 6px #00ffff;
  }
}
 
.social-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1.2rem,4vw,2.5rem);
  position:relative; z-index:2;
}
 
.social-icon {
  position:relative;
  display:inline-flex;
  align-items:center; justify-content:center;
  width:clamp(60px,10vw,76px);
  height:clamp(60px,10vw,76px);
  border-radius:50%;
  overflow:hidden; cursor:pointer;
  transition:transform var(--t-med) var(--ease),
             box-shadow var(--t-med);
  text-decoration:none;
  -webkit-tap-highlight-color:transparent;
}
 
.social-icon img {
  width: clamp(26px,5vw,34px);
  height:auto;
  filter:invert(1); position:relative; z-index:2;
  transition:transform var(--t-med), filter var(--t-med);
}
 
.social-icon::before {
  content:"";
  position:absolute; inset:-50%;
  width:200%; height:200%;
  background:conic-gradient(#ff00ff,#00ffff,#ff4b5f,#00ff99,#ff00ff);
  filter:blur(16px); opacity:.7;
  animation:neonRotate 5s linear infinite;
}
 
.social-icon:hover {
  transform:translateY(-6px) scale(1.08);
  box-shadow:0 0 24px rgba(255,0,255,.5),
             0 0 40px rgba(0,255,255,.35);
}
.social-icon:hover img { transform:scale(1.25); }
 
.social-icon span {
  position:absolute; width:140%; height:140%;
  border-radius:50%;
  background:rgba(255,255,255,.1);
  transform:scale(0);
  transition:transform .5s, opacity .5s;
}
.social-icon:hover span { transform:scale(1); opacity:0; }
 
 
/* ── 15. CHATBOT ──────────────────────────────────────────────── */
#chatbot-toggle {
  position:fixed;
  bottom:clamp(18px,4vw,30px);
  right:clamp(18px,4vw,30px);
  width:clamp(56px,14vw,68px);
  height:clamp(56px,14vw,68px);
  border-radius:50%;
  border:none; outline:none;
  background:radial-gradient(circle at top left,#ff00ff,#4b5fff);
  color:#fff;
  font-size:clamp(1.4rem,4vw,1.9rem);
  cursor:pointer;
  z-index:9999;
  box-shadow:0 0 20px #ff00ff, 0 0 35px #4b5fff;
  transition:transform var(--t-fast), box-shadow var(--t-fast);
  animation:neonPulse 2.8s infinite alternate;
  -webkit-tap-highlight-color:transparent;
  touch-action:manipulation;
}
#chatbot-toggle:hover {
  transform:scale(1.12);
  box-shadow:0 0 35px #ff00ff, 0 0 55px #00ffff;
}
@keyframes neonPulse {
  0%,100% { box-shadow:0 0 20px #ff00ff, 0 0 35px #4b5fff; }
  50%      { box-shadow:0 0 38px #ff00ff, 0 0 60px #00ffff; }
}
 
#chatbot-window {
  position:fixed;
  bottom:clamp(88px,18vw,108px);
  right:clamp(14px,4vw,30px);
  width:min(380px,calc(100vw - 28px));
  height:clamp(380px,60vh,500px);
  background:rgba(18,18,22,.95);
  border-radius:var(--radius-xl);
  backdrop-filter:blur(20px);
  border:1px solid var(--border);
  box-shadow:0 0 30px rgba(75,95,255,.4),
             0 0 60px rgba(0,229,255,.15);
  display:flex; flex-direction:column;
  overflow:hidden;
  transform:translateY(20px) scale(.97);
  opacity:0;
  pointer-events:none;
  transition:transform var(--t-slow) var(--ease),
             opacity var(--t-slow) var(--ease);
  z-index:9998;
}
#chatbot-window.chatbot-visible {
  transform:translateY(0) scale(1);
  opacity:1;
  pointer-events:auto;
}
 
#chatbot-header {
  padding:.85rem 1rem;
  background:linear-gradient(135deg,#4b5fff,#00c8ff);
  display:flex; align-items:center; gap:.6rem;
  border-bottom:1px solid rgba(255,255,255,.1);
  flex-shrink:0;
}
 
#chatbot-profile {
  display:flex; align-items:center; gap:.6rem;
  flex:1; min-width:0;
}
#chatbot-profile span {
  font-size:.88rem; font-weight:600;
  color:#fff; white-space:nowrap; overflow:hidden;
  text-overflow:ellipsis;
}
 
#chatbot-avatar {
  width:38px; height:38px; border-radius:50%;
  object-fit:cover; flex-shrink:0;
  border:2px solid rgba(255,255,255,.4);
  box-shadow:0 0 10px rgba(0,229,255,.5);
}
 
#chatbot-sound-toggle {
  font-size:.75rem; color:rgba(255,255,255,.85);
  display:flex; align-items:center; gap:4px;
  background:rgba(255,255,255,.1);
  padding:3px 8px; border-radius:6px;
  white-space:nowrap; flex-shrink:0;
}
#chatbot-sound-toggle input { cursor:pointer; }
 
#chatbot-close {
  background:transparent; border:none; color:#fff;
  font-size:1.3rem; cursor:pointer; flex-shrink:0;
  width:32px; height:32px;
  display:flex; align-items:center; justify-content:center;
  border-radius:50%;
  transition:background var(--t-fast), transform var(--t-fast);
  -webkit-tap-highlight-color:transparent;
}
#chatbot-close:hover { background:rgba(255,255,255,.15); transform:rotate(90deg); }
 
#chatbot-body {
  flex:1; padding:.85rem;
  background:rgba(28,30,44,.9);
  overflow-y:auto; display:flex;
  flex-direction:column; gap:.65rem;
  scroll-behavior:smooth;
}
#chatbot-body::-webkit-scrollbar { width:4px; }
#chatbot-body::-webkit-scrollbar-thumb {
  background:linear-gradient(#4b5fff,#00ffff);
  border-radius:2px;
}
 
.bot-msg, .user-msg {
  padding:.65rem .9rem;
  border-radius:16px; max-width:82%;
  word-break:break-word; line-height:1.55;
  font-size:clamp(.8rem,.9vw+.6rem,.9rem);
  opacity:0; transform:translateY(14px);
  animation:bubbleIn .4s var(--ease) forwards;
}
@keyframes bubbleIn {
  to { opacity:1; transform:translateY(0); }
}
.bot-msg {
  background:linear-gradient(135deg,#2d3aff,#00b8d9);
  color:#fff; align-self:flex-start;
  border-bottom-left-radius:4px;
  box-shadow:0 3px 12px rgba(75,95,255,.4);
}
.user-msg {
  background:linear-gradient(135deg,#0080cc,#00c8ff);
  color:#fff; align-self:flex-end;
  border-bottom-right-radius:4px;
  box-shadow:0 3px 12px rgba(0,180,255,.35);
}
.bot-msg a { color:#c8d4ff; text-decoration:underline; }
.bot-msg a:hover { color:#fff; }
 
/* Typing dots */
.typing-indicator {
  display:flex !important;
  align-items:center; gap:4px;
  padding:.6rem .9rem !important;
}
.typing-indicator span {
  width:6px; height:6px;
  background:rgba(255,255,255,.55);
  border-radius:50%;
  animation:bounce 1.2s infinite ease-in-out;
}
.typing-indicator span:nth-child(2) { animation-delay:.2s; }
.typing-indicator span:nth-child(3) { animation-delay:.4s; }
 
/* Quick-reply chips */
.chip-row {
  display:flex; flex-wrap:wrap; gap:6px;
  padding:6px .85rem 10px;
}
.chip-btn {
  background:rgba(75,95,255,.14);
  color:#9faeff;
  border:1px solid rgba(75,95,255,.35);
  border-radius:20px;
  padding:5px 12px; font-size:.78rem;
  cursor:pointer; white-space:nowrap;
  transition:all .2s;
  -webkit-tap-highlight-color:transparent;
  touch-action:manipulation;
  min-height:32px;
}
.chip-btn:hover {
  background:rgba(75,95,255,.32);
  color:#fff; border-color:var(--c-purple);
}
 
/* Demo / pricing / contact cards inside chat */
.demo-card {
  background:rgba(75,95,255,.1);
  border:1px solid rgba(75,95,255,.3);
  border-radius:10px; padding:.75rem 1rem;
  margin-top:.65rem;
  display:flex; align-items:center;
  justify-content:space-between; flex-wrap:wrap; gap:.6rem;
}
.demo-card-title { font-size:.82rem; color:#ccc; }
.demo-card-link {
  background:linear-gradient(90deg,#4b5fff,#6c5fff);
  color:#fff !important;
  padding:5px 12px; border-radius:6px;
  font-size:.78rem; text-decoration:none;
  transition:opacity .2s; white-space:nowrap;
}
.demo-card-link:hover { opacity:.85; }
 
.pricing-row {
  display:flex; gap:6px; margin-top:.65rem; flex-wrap:wrap;
}
.p-card {
  flex:1; min-width:72px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:8px; padding:7px;
  font-size:.76rem; text-align:center; color:#ccc;
}
.p-card strong { color:#fff; font-size:.8rem; }
.p-card.featured { border-color:rgba(75,95,255,.55); background:rgba(75,95,255,.12); }
.p-card small { color:#aaa; line-height:1.5; display:block; margin-top:3px; }
 
.contact-card {
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  border-radius:8px; padding:.75rem 1rem;
  margin-top:.65rem; font-size:.82rem; line-height:2.1;
}
.contact-card a { color:#a0aaff; text-decoration:none; }
.contact-card a:hover { color:#fff; text-decoration:underline; }
 
.calendly-card {
  display:flex; align-items:center; gap:10px;
  background:rgba(108,95,255,.12);
  border:1px solid rgba(108,95,255,.4);
  border-radius:12px; padding:.75rem 1rem;
  margin-top:.65rem; flex-wrap:wrap;
}
.calendly-card-icon { font-size:1.5rem; flex-shrink:0; }
.calendly-card-body {
  display:flex; flex-direction:column; gap:2px;
  flex:1; min-width:100px;
}
.calendly-card-body strong { font-size:.82rem; color:#fff; }
.calendly-card-body span  { font-size:.75rem; color:#aaa; }
.calendly-card-btn {
  background:linear-gradient(135deg,#6c5fff,#4b5fff);
  color:#fff !important; padding:6px 14px;
  border-radius:8px; font-size:.78rem; font-weight:500;
  text-decoration:none; white-space:nowrap;
  transition:opacity .2s; flex-shrink:0;
  -webkit-tap-highlight-color:transparent;
  touch-action:manipulation;
}
.calendly-card-btn:hover { opacity:.85; }
 
.cta-btn {
  display:inline-block;
  background:linear-gradient(90deg,#4b5fff,#6c5fff);
  color:#fff !important;
  padding:.5rem 1.1rem; border-radius:8px;
  font-size:.82rem; font-weight:500;
  text-decoration:none; margin-top:.4rem;
  transition:opacity .2s;
  touch-action:manipulation;
}
.cta-btn:hover { opacity:.85; }
.cta-calendly { background:linear-gradient(135deg,#6c5fff,#4b5fff) !important; }
 
#chatbot-input-container {
  display:flex; gap:.6rem; padding:.75rem;
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(24,26,40,.98); flex-shrink:0;
}
#chatbot-input {
  flex:1; padding:.6rem .9rem;
  border-radius:12px; border:none; outline:none;
  background:rgba(50,55,80,.9); color:#fff;
  font-size:.88rem; font-family:var(--font);
  transition:box-shadow .2s;
  -webkit-appearance:none;
}
#chatbot-input:focus { box-shadow:0 0 10px rgba(75,95,255,.5); }
#chatbot-input::placeholder { color:#666; }
 
#chatbot-send {
  padding:.6rem 1rem; border-radius:12px; border:none;
  background:linear-gradient(135deg,#4b5fff,#00c8ff);
  color:#fff; font-weight:700; cursor:pointer;
  font-family:var(--font); font-size:.85rem;
  transition:transform .2s, box-shadow .2s;
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
  min-width:60px; white-space:nowrap;
}
#chatbot-send:hover {
  transform:scale(1.06);
  box-shadow:0 0 14px rgba(75,95,255,.5);
}
#chatbot-send:active { transform:scale(.95); }
 
@media (max-width:480px) {
  #chatbot-window {
    right:0; bottom:0;
    width:100vw;
    height:min(520px,80dvh);
    border-radius:var(--radius-xl) var(--radius-xl) 0 0;
    border-bottom:none;
  }
  #chatbot-toggle {
    bottom:16px; right:16px;
    width:58px; height:58px; font-size:1.6rem;
  }
}
 
 
/* ── 16. SCROLL TO TOP ────────────────────────────────────────── */
#myBtn {
  position:fixed;
  bottom:clamp(18px,4vw,30px);
  left:clamp(18px,4vw,30px);
  z-index:9000;
  width:clamp(48px,10vw,58px);
  height:clamp(48px,10vw,58px);
  border-radius:50%; border:none; outline:none;
  background:rgba(8,11,20,.85);
  color:#fff;
  font-size:1.3rem; font-weight:700;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  box-shadow:0 0 12px #ff00ff, 0 0 22px rgba(0,255,255,.4);
  transition:transform var(--t-fast), box-shadow var(--t-fast),
             opacity var(--t-med), filter var(--t-fast);
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
  border:1px solid rgba(255,0,255,.3);
}
#myBtn:hover {
  transform:translateY(-4px) scale(1.1);
  box-shadow:0 0 22px #ff00ff, 0 0 40px rgba(0,255,255,.5);
  filter:brightness(1.2);
}
#myBtn:active { transform:scale(.92); }
 
 
/* ── 17. SUCCESS POPUP / THANK YOU MODAL ─────────────────────── */
.popup,
#thankYouModal {
  position:fixed; inset:0;
  display:flex; align-items:center; justify-content:center;
  background:rgba(4,3,16,.82);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  z-index:9997;
  animation:fadeIn .3s var(--ease);
}
.popup.hidden    { display:none !important; }
.popup           { opacity:0; pointer-events:none; }
.popup.show      { opacity:1; pointer-events:auto; }
 
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
 
.popup-content,
.modal-box {
  background:linear-gradient(145deg,#0d1028,#10103a);
  color:#fff;
  padding:clamp(2.2rem,5vw,3.2rem) clamp(2rem,6vw,4rem);
  border-radius:var(--radius-xl);
  text-align:center;
  border:1px solid rgba(108,95,255,.4);
  box-shadow:
    0 0 60px rgba(75,95,255,.3),
    0 0 100px rgba(168,85,247,.15),
    0 24px 80px rgba(0,0,0,.65);
  animation:popIn .45s var(--ease) both;
  max-width:min(90vw,400px);
  width:100%;
  position:relative; overflow:hidden;
}
 
/* subtle corner glows */
.popup-content::before,
.modal-box::before {
  content:"";
  position:absolute; top:0; left:0;
  width:140px; height:140px;
  background:radial-gradient(circle at top left,rgba(75,95,255,.2),transparent 70%);
  pointer-events:none;
}
.popup-content::after,
.modal-box::after {
  content:"";
  position:absolute; bottom:0; right:0;
  width:100px; height:100px;
  background:radial-gradient(circle at bottom right,rgba(0,229,255,.12),transparent 70%);
  pointer-events:none;
}
 
/* ── Animated SVG Checkmark ── */
.checkmark-ring,
.checkmark {
  width:76px; height:76px;
  margin:0 auto 1.4rem;
  display:flex; align-items:center; justify-content:center;
}
 
/* New SVG-based checkmark (for #thankYouModal) */
.checkmark-svg {
  width:76px; height:76px;
}
.checkmark-svg circle {
  fill:none;
  stroke:var(--c-purple);
  stroke-width:2;
  stroke-dasharray:166;
  stroke-dashoffset:166;
  animation:drawCircle .65s ease forwards .15s;
}
.checkmark-svg path {
  fill:none;
  stroke:var(--c-cyan);
  stroke-width:3.5;
  stroke-linecap:round;
  stroke-linejoin:round;
  stroke-dasharray:48;
  stroke-dashoffset:48;
  animation:drawCheck .4s ease forwards .7s;
}
@keyframes drawCircle { to{stroke-dashoffset:0} }
@keyframes drawCheck  { to{stroke-dashoffset:0} }
 
/* Legacy DOM-based checkmark (for .popup) */
.checkmark {
  border-radius:50%;
  box-shadow:0 0 0 4px #22c55e;
  animation:pulseCheck 1.4s ease-in-out infinite;
}
@keyframes pulseCheck {
  0%,100% { box-shadow:0 0 0 4px #22c55e; }
  50%      { box-shadow:0 0 22px 6px rgba(34,197,94,.5); }
}
.checkmark-stem {
  position:absolute; width:4px; height:24px;
  background:#22c55e; left:36px; top:18px;
  transform:rotate(45deg); border-radius:2px;
}
.checkmark-kick {
  position:absolute; width:4px; height:10px;
  background:#22c55e; left:26px; top:33px;
  transform:rotate(-45deg); border-radius:2px;
}
 
/* ── Modal text ── */
.popup-content h3,
.modal-box h2 {
  margin:.2rem 0 .6rem;
  font-size:clamp(1.3rem,3vw,1.6rem);
  font-weight:700;
  color:#fff;
  letter-spacing:.03em;
  position:relative; z-index:1;
}
.popup-content h3 { color:#22c55e; }
 
.popup-content p,
.modal-box p {
  color:var(--text-dim);
  font-size:.95rem;
  line-height:1.75;
  margin-bottom:1.8rem;
  position:relative; z-index:1;
}
 
/* ── Close button ── */
.close-btn {
  padding:.65rem 2.2rem;
  border:1px solid rgba(108,95,255,.5);
  border-radius:8px;
  background:transparent;
  color:var(--c-purple);
  font-family:var(--font);
  font-size:.88rem;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  cursor:pointer;
  position:relative; z-index:1;
  transition:background var(--t-fast), color var(--t-fast),
             box-shadow var(--t-fast), border-color var(--t-fast);
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
  min-height:44px;
}
.close-btn:hover {
  background:var(--c-purple);
  color:#fff;
  border-color:var(--c-purple);
  box-shadow:0 0 20px rgba(108,95,255,.45);
}
 
 
/* ── 18. SCROLL REVEAL & ANIMATIONS ──────────────────────────── */
.sr {
  opacity:0; transform:translateY(32px);
  transition:opacity .65s var(--ease), transform .65s var(--ease);
}
.sr.sr-left  { transform:translateX(-36px); }
.sr.sr-right { transform:translateX(36px);  }
.sr.sr-scale { transform:scale(.93);        }
.sr.visible  { opacity:1; transform:none;   }
 
[data-animate] {
  opacity:0; transform:translateY(18px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
[data-animate].visible { opacity:1; transform:none; }
 
 
/* ── 19. CONFETTI ─────────────────────────────────────────────── */
.confetti-piece {
  position:fixed; top:0;
  border-radius:2px; z-index:9998;
  pointer-events:none;
  animation:confFall linear forwards;
}
 
 
/* ── 20. HIDDEN SEO / MISC ────────────────────────────────────── */
.hidden-keyword, .seo-score {
  position:absolute; width:1px; height:1px;
  overflow:hidden; opacity:0; pointer-events:none;
  clip:rect(0,0,0,0); white-space:nowrap;
}
 
/* Theme toggle (if used) */
.theme-toggle-btn {
  background:var(--grad-main);
  background-size:200%;
  color:#fff; border:none;
  padding:.55rem 1rem; border-radius:8px;
  cursor:pointer; font-size:1.2rem;
  transition:transform var(--t-fast), box-shadow var(--t-fast);
  touch-action:manipulation;
}
.theme-toggle-btn:hover {
  transform:scale(1.06);
  box-shadow:0 4px 14px rgba(75,95,255,.4);
}
 
/* Input placeholder colour — visible on all browsers including iOS */
input::placeholder, textarea::placeholder {
  color: var(--text-mute);
  opacity: 1; /* Firefox needs this */
}
 
 
/* ── 21. MOBILE GLOBAL FIXES ──────────────────────────────────── */
/* Prevent double-tap zoom on buttons */
button, a, [role=button] {
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
}
 
/* Bigger tap targets on small screens */
@media (max-width:480px) {
  .btn, .btn-glow, .proj-btn, .cert-btn,
  .pricing-card .btn, .cta-btn, .chip-btn {
    min-height:44px;
    font-size:.88rem;
  }
  .about-card, .experience-card,
  .certification-card, .project-card,
  .service-card, .pricing-card {
    padding:1.2rem 1rem;
  }
  #projects .section-title,
  #service  .section-title,
  #pricing  .section-title { font-size:1.6rem; }
  .project-title { font-size:1.1rem; }
}
 
/* Prevent text from being too small on tiny screens */
@media (max-width:360px) {
  html { font-size:14px; }
}