/* ==========================================================================
   Khushi Kharvar — Dark Premium Portfolio
   Inspired by: Glassmorphic Dashboard Aesthetic
   ========================================================================== */

/* ------------------- 1. DESIGN TOKENS ------------------- */
:root {
  --bg-deep: #050816;
  --bg-card: #0a0e1a;
  --bg-surface: #0f1629;
  --bg-glass: rgba(15, 22, 41, 0.65);
  --border: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(0, 212, 170, 0.3);

  --text-white: #f0f4ff;
  --text-dim: #8892b0;
  --text-muted: #4a5568;

  --accent: #00d4aa;
  --accent-2: #00b4d8;
  --accent-blue: #3b82f6;
  --glow: rgba(0, 212, 170, 0.25);
  --glow-blue: rgba(59, 130, 246, 0.2);
  --gradient: linear-gradient(135deg, #00d4aa 0%, #00b4d8 50%, #3b82f6 100%);

  --font: 'Inter', -apple-system, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --radius-pill: 100px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --pointer-x: 50%;
  --pointer-y: 50%;
}

/* ------------------- 2. RESET & BASE ------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text-dim);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  isolation: isolate;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 200;
  pointer-events: none;
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left center;
  background: var(--gradient);
  box-shadow: 0 0 18px var(--accent);
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
h1,h2,h3,h4 { font-family: var(--font-heading); color: var(--text-white); line-height: 1.2; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.w-full { width: 100%; }

/* ------------------- 3. BACKGROUND FX ------------------- */
.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at var(--pointer-x) var(--pointer-y), black 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse at var(--pointer-x) var(--pointer-y), black 0%, transparent 72%);
  animation: gridDrift 24s linear infinite;
  pointer-events: none;
}
@keyframes gridDrift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(60px, 60px, 0); }
}
.bg-glow {
  position: fixed; border-radius: 50%; pointer-events: none; z-index: 0;
  filter: blur(100px); opacity: 0.35;
}
.bg-glow-1 { width: 600px; height: 600px; top: -150px; left: -100px; background: var(--accent); opacity: 0.15; }
.bg-glow-2 { width: 400px; height: 400px; bottom: 20%; right: -80px; background: var(--accent-blue); opacity: 0.12; }
.bg-glow-3 { width: 300px; height: 300px; top: 45%; left: 30%; background: #6d28d9; opacity: 0.08; }
.bg-glow-1 { animation: glowFloat 14s ease-in-out infinite alternate; }
.bg-glow-2 { animation: glowFloat 18s ease-in-out -5s infinite alternate-reverse; }
.bg-glow-3 { animation: glowFloat 20s ease-in-out -8s infinite alternate; }
@keyframes glowFloat {
  from { transform: translate3d(-2%, -3%, 0) scale(0.96); }
  to { transform: translate3d(4%, 5%, 0) scale(1.08); }
}

/* ------------------- 4. GLASS CARD ------------------- */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(360px circle at var(--card-x, 50%) var(--card-y, 0%), rgba(0, 212, 170, 0.12), transparent 60%);
  opacity: 0;
  transition: opacity 0.45s ease;
}
.glass-card:hover::before { opacity: 1; }
.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 30px rgba(0,212,170,0.06);
}

/* ------------------- 5. BUTTONS ------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
  font-family: var(--font); font-weight: 600; font-size: 0.9rem;
  padding: 0.75rem 1.5rem; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer;
  transition: all 0.2s var(--ease);
  will-change: transform;
}
.btn-glow {
  background: var(--gradient); color: #fff;
  box-shadow: 0 4px 20px var(--glow);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--glow); filter: brightness(1.1); }
.btn-outline {
  background: transparent; color: var(--text-white);
  border: 1.5px solid rgba(255,255,255,0.15);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,212,170,0.05); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.82rem; }
.btn-xs { padding: 0.4rem 0.85rem; font-size: 0.78rem; border-radius: 6px; }

/* ------------------- 6. NAVBAR ------------------- */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5, 8, 22, 0.8); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.35s ease, box-shadow 0.35s ease;
}
.navbar.is-scrolled {
  background: rgba(5, 8, 22, 0.94);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { display: flex; align-items: center; gap: 0.6rem; }
.logo-icon {
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  background: var(--gradient); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
}
.logo-text { font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; color: var(--text-white); }
.nav-links { display: flex; gap: 1.75rem; }
.nav-link {
  font-size: 0.875rem; font-weight: 500; color: var(--text-dim);
  transition: color 0.2s; position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--accent); }
.nav-link.active::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px;
  background: var(--accent); border-radius: 2px;
  box-shadow: 0 0 12px var(--glow);
}
.nav-right { display: flex; align-items: center; gap: 0.75rem; }
.mobile-toggle {
  display: none; background: var(--bg-surface); border: 1px solid var(--border);
  color: var(--text-white); width: 38px; height: 38px; border-radius: var(--radius-sm);
  align-items: center; justify-content: center; cursor: pointer; font-size: 1.2rem;
}

/* ------------------- 7. HERO ------------------- */
.hero { padding: 5.5rem 0 4.5rem; position: relative; z-index: 1; }
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(0, 212, 170, 0.1), transparent 24%);
  opacity: 0.65;
}
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3.5rem; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(0,212,170,0.08); border: 1px solid rgba(0,212,170,0.25);
  color: var(--accent); padding: 0.35rem 1rem; border-radius: var(--radius-pill);
  font-size: 0.82rem; font-weight: 600; margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.05s forwards;
}
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
.badge-dot-sm { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); display: inline-block; animation: pulse 2s infinite; margin-right: 4px; }
@keyframes pulse { 0%,100% { opacity: 0.7; transform: scale(0.95); } 50% { opacity: 1; transform: scale(1.3); }}

/* Staggered Modern Title & Reveals */
.hero-title {
  font-size: 3.25rem; font-weight: 800; letter-spacing: -0.035em;
  line-height: 1.18; margin-bottom: 1.5rem;
}
.title-line {
  display: block;
  overflow: hidden;
  padding: 0.08em 0;
}
.title-reveal {
  display: inline-block;
  transform: translateY(115%);
  opacity: 0;
  animation: titleReveal 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.line-1 .title-reveal { animation-delay: 0.15s; }
.line-2 .title-reveal { animation-delay: 0.32s; }
.line-3 .title-reveal { animation-delay: 0.5s; }

@keyframes titleReveal {
  0% {
    transform: translateY(115%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Animated Gradient Key Phrase */
.animated-gradient-text {
  background: linear-gradient(135deg, #00d4aa 0%, #00b4d8 28%, #a855f7 65%, #00d4aa 100%);
  background-size: 250% 250%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 7s ease-in-out infinite;
  display: inline-block;
  filter: drop-shadow(0 0 20px rgba(0, 212, 170, 0.28));
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.text-glow { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Hero Description & Interactive Word Highlights */
.hero-desc {
  font-size: 1.05rem; color: var(--text-dim); line-height: 1.8;
  margin-bottom: 2rem; max-width: 540px;
  opacity: 0;
  animation: fadeSlideUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.65s forwards;
}
.name-highlight {
  color: var(--text-white); font-weight: 700;
  background: linear-gradient(120deg, #ffffff 40%, #00d4aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.keyword-glow {
  color: #e2e8f0; font-weight: 600;
  border-bottom: 1px dotted rgba(0, 212, 170, 0.35);
  transition: all 0.25s ease;
  cursor: default;
}
.keyword-glow:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
  text-shadow: 0 0 12px rgba(0, 212, 170, 0.45);
}
.accent-italic {
  font-style: italic; color: #38bdf8; font-weight: 600;
  transition: all 0.25s ease;
}
.accent-italic:hover {
  color: var(--accent);
  text-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
}

.hero-btns {
  display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem;
  opacity: 0;
  animation: fadeSlideUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards;
}
.hero-socials {
  display: flex; gap: 0.75rem;
  opacity: 0;
  animation: fadeSlideUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.95s forwards;
}
.social-link {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--bg-surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim); font-size: 1.1rem; transition: all 0.25s var(--ease);
}
.social-link:hover {
  background: var(--accent); color: #fff; border-color: var(--accent);
  transform: translateY(-3px) scale(1.05); box-shadow: 0 8px 20px var(--glow);
}

@keyframes fadeSlideUp {
  0% {
    opacity: 0;
    transform: translateY(24px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero Right / Clean Portrait Frame (No surrounding clutter boxes) */
.hero-right {
  position: relative; display: flex; justify-content: center; align-items: center;
  opacity: 0;
  animation: heroEntrance 1s cubic-bezier(0.16, 1, 0.3, 1) 0.35s forwards;
}
@keyframes heroEntrance {
  0% {
    opacity: 0;
    transform: translateY(28px) scale(0.97);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.hero-img-card {
  position: relative;
  border-radius: 20px;
  padding: 0;
  background: transparent;
  box-shadow: none;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
  transform: translate3d(0, var(--hero-shift, 0px), 0);
}
.hero-img-card:hover {
  transform: translateY(-5px) scale(1.01);
}
.hero-img-glow {
  position: absolute;
  inset: -25px;
  background: radial-gradient(circle at 50% 50%, rgba(0, 212, 170, 0.2), rgba(0, 168, 255, 0.1), transparent 70%);
  filter: blur(28px);
  z-index: -1;
  pointer-events: none;
}
.hero-img-wrapper {
  position: relative;
  width: min(460px, 100%);
  aspect-ratio: 899 / 768;
  height: auto;
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  border: 0;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}
.hero-img-card:hover .hero-img {
  transform: scale(1.015);
}

/* ------------------- 8. SECTIONS ------------------- */
.section { padding: 5rem 0; position: relative; z-index: 1; }
.section-alt { background: var(--bg-card); }
.section-header { text-align: center; margin-bottom: 3.5rem; position: relative; }
.section-tag {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(0,212,170,0.08); border: 1px solid rgba(0,212,170,0.2);
  color: var(--accent); padding: 0.35rem 0.85rem; border-radius: var(--radius-pill);
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 0.85rem;
}
.section-title { font-size: 2.15rem; font-weight: 800; letter-spacing: -0.02em; }
.view-all-link {
  position: absolute; right: 0; bottom: 0;
  color: var(--accent); font-size: 0.875rem; font-weight: 600;
  display: flex; align-items: center; gap: 0.35rem;
  transition: gap 0.2s;
}
.view-all-link:hover { gap: 0.65rem; }

/* ------------------- 9. ABOUT ------------------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr); gap: 1.35rem; align-items: stretch; }
.about-text-card, .skills-bars-card { padding: clamp(1.35rem, 3vw, 2.1rem); }
.about-text-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(145deg, rgba(0,212,170,0.07), transparent 38%),
    rgba(15, 22, 41, 0.72);
  border-color: rgba(0,212,170,0.16);
}
.about-text-card::after {
  content: '';
  position: absolute;
  top: 1.5rem;
  bottom: 1.5rem;
  left: 0;
  width: 2px;
  border-radius: 2px;
  background: var(--gradient);
  opacity: 0.75;
}
.about-text { font-size: 0.93rem; color: var(--text-dim); line-height: 1.75; margin-bottom: 1rem; }
.about-text strong { color: var(--text-white); }
.about-contact-strip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
  gap: 0.7rem;
  margin-top: auto;
  padding-top: 1.35rem;
  border-top: 1px solid var(--border);
}
.about-contact-strip .btn {
  min-height: 44px;
  white-space: nowrap;
}
.about-contact-link {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 0.55rem;
  background: rgba(255,255,255,0.035);
  color: var(--text-dim);
  font-size: 0.78rem;
  font-weight: 600;
  transition: color 0.25s ease;
}
.about-contact-link i { color: var(--accent); }
.about-contact-link span {
  min-width: 0;
  overflow-wrap: anywhere;
}
.about-contact-link:hover { color: var(--accent); }
.about-info-grid {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
  margin-top: 1.2rem;
}
.about-photo-card {
  min-height: 100%;
  padding: 0.65rem;
  background:
    linear-gradient(145deg, rgba(59,130,246,0.07), transparent 50%),
    rgba(15, 22, 41, 0.72);
}
.about-photo {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  object-position: center 54%;
  border-radius: 0.9rem;
  border: 1px solid rgba(0, 212, 170, 0.18);
}
.info-item { display: grid; grid-template-columns: 20px 1fr; column-gap: 0.55rem; row-gap: 0.1rem; align-items: center; }
.info-icon { color: var(--accent); font-size: 0.9rem; margin-bottom: 0.15rem; }
.info-label { grid-column: 2; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.65px; color: var(--text-muted); }
.info-value { grid-column: 2; font-size: 0.86rem; font-weight: 600; color: var(--text-white); overflow-wrap: anywhere; }
.info-icon { grid-column: 1; grid-row: 1 / span 2; text-align: center; }
.status-open { color: var(--accent) !important; display: flex; align-items: center; gap: 2px; }

/* Expertise Categories */
.card-title {
  font-size: 1.2rem; font-weight: 700; color: var(--text-white);
  display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.5rem;
}
.card-title i { color: var(--accent); }
.expertise-card {
  background:
    linear-gradient(145deg, rgba(59,130,246,0.06), transparent 42%),
    rgba(15, 22, 41, 0.72);
  border-color: rgba(59,130,246,0.14);
}
.expertise-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem; }
.expertise-category {
  padding: 0.9rem;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255,255,255,0.035), rgba(0,212,170,0.025));
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}
.expertise-category:hover {
  transform: translateY(-2px);
  border-color: rgba(0,212,170,0.34);
  background: linear-gradient(135deg, rgba(0,212,170,0.07), rgba(255,255,255,0.035));
}
.expertise-heading { display: flex; align-items: center; gap: 0.65rem; margin-bottom: 0.75rem; }
.expertise-icon {
  width: 28px; height: 28px; flex: 0 0 28px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px; color: var(--accent);
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.2);
  font-size: 0.85rem;
}
.expertise-heading h4 { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.01em; }
.expertise-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.expertise-tags span {
  color: #dce5f5; font-size: 0.76rem; line-height: 1.35;
  padding: 0.34rem 0.65rem; border-radius: 999px;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.08);
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.expertise-tags span:hover {
  color: var(--accent); border-color: rgba(0,212,170,0.4);
  background: rgba(0,212,170,0.08);
}

/* ------------------- 10. TOOLS GRID ------------------- */
.tools-grid {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.15rem;
  width: 100%; max-width: 1080px; margin: 0 auto;
}
.tools-category {
  min-height: 0;
  padding: 1.6rem 1.75rem;
  background:
    linear-gradient(145deg, rgba(0,212,170,0.055), transparent 48%),
    rgba(15, 22, 41, 0.68);
}
.tools-category h3 {
  display: flex; align-items: center; gap: 0.55rem;
  margin-bottom: 1.15rem;
  font-size: 1.15rem;
}
.tools-category h3 i { color: var(--accent); font-size: 1.1rem; }
.tools-category-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tools-category-tags span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #dce5f5;
  padding: 0.5rem 0.85rem;
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 999px;
  background: rgba(255,255,255,0.045);
  font-size: 0.9rem;
  line-height: 1.3;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.tools-grid.reveal-on-scroll .tools-category-tags span {
  opacity: 0;
  transform: translateY(8px) scale(0.98);
}
.tools-grid.reveal-on-scroll.is-revealed .tools-category-tags span {
  animation: skillChipReveal 0.55s var(--ease-premium) forwards;
}
.tools-grid.reveal-on-scroll .tools-category-tags span:nth-child(2) { animation-delay: 45ms; }
.tools-grid.reveal-on-scroll .tools-category-tags span:nth-child(3) { animation-delay: 90ms; }
.tools-grid.reveal-on-scroll .tools-category-tags span:nth-child(4) { animation-delay: 135ms; }
.tools-grid.reveal-on-scroll .tools-category-tags span:nth-child(5) { animation-delay: 180ms; }
.tools-grid.reveal-on-scroll .tools-category-tags span:nth-child(6) { animation-delay: 225ms; }
@keyframes skillChipReveal {
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.tools-category-tags span i {
  color: var(--accent);
  font-size: 0.82rem;
}
.core-skill-tags span {
  padding-inline: 0.85rem;
}
.technical-skill-tags {
  gap: 0.65rem;
}
.technical-skill-tags span {
  padding: 0.42rem 0.72rem;
  font-size: 0.84rem;
}
.background-subheading {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 2.25rem 0 0.15rem;
  color: var(--text-white);
  font-size: 1.2rem;
}
.background-subheading i {
  color: var(--accent);
  font-size: 1rem;
}
.background-stack > .certs-grid {
  margin-top: 0.5rem;
}
.tools-category-tags span:hover {
  color: var(--accent);
  border-color: rgba(0,212,170,0.4);
  background: rgba(0,212,170,0.08);
}
.tool-chip {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1.15rem; font-size: 0.875rem; font-weight: 600;
  color: var(--text-white); cursor: default;
}
.tool-chip:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,212,170,0.1); }
.tool-chip, .process-card-modern, .cert-card, .project-card-large {
  transform-style: preserve-3d;
  will-change: transform;
}
.tool-chip i { color: var(--accent); font-size: 1.1rem; }

/* ------------------- 11. PROJECTS CAROUSEL ------------------- */
.carousel-container {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Circular Arrow Buttons */
.carousel-nav-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(13, 19, 38, 0.85);
  backdrop-filter: blur(14px);
  border: 1.5px solid var(--border);
  color: var(--text-white);
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 5;
}
.carousel-nav-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 212, 170, 0.12);
  transform: scale(1.1);
  box-shadow: 0 0 25px var(--glow);
}
.carousel-nav-btn:active {
  transform: scale(0.95);
}

/* Carousel Viewport & Track */
.carousel-viewport {
  width: 100%;
  overflow: hidden;
  border-radius: 26px;
  padding: 4px;
}
.carousel-track {
  display: flex;
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
  width: 100%;
}
.carousel-slide {
  min-width: 100%;
  width: 100%;
  flex-shrink: 0;
  box-sizing: border-box;
  padding: 0.5rem;
  opacity: 0.45;
  transform: scale(0.98);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.carousel-slide.active-slide {
  opacity: 1;
  transform: scale(1);
}

/* Large Project Card */
.project-card-large {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.75rem;
  align-items: center;
  padding: 2.5rem;
  border-radius: 24px;
  background: rgba(10, 15, 30, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
  background-image: linear-gradient(135deg, rgba(255,255,255,0.025), transparent 45%);
}
.project-card-large:hover {
  border-color: rgba(0, 212, 170, 0.35);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 212, 170, 0.15);
}

/* Preview Side */
.project-preview-side {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
}
.project-img-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 18px;
  overflow: hidden;
  background: #020617;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}
.project-carousel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}
.project-card-large:hover .project-carousel-img {
  transform: scale(1.04);
}
.project-domain-pill {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(5, 8, 22, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 212, 170, 0.35);
  color: var(--accent);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

/* Info Side */
.project-info-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.project-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.project-counter {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1px;
}
.project-badge-tool {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.project-carousel-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin-bottom: 1.15rem;
}
.project-carousel-desc {
  font-size: 0.96rem;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 1.6rem;
}
.project-carousel-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(0, 212, 170, 0.06);
  border: 1px solid rgba(0, 212, 170, 0.22);
  color: #c7f9cc;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  transition: all 0.25s ease;
}
.tech-tag i {
  color: var(--accent);
}
.tech-tag:hover {
  background: rgba(0, 212, 170, 0.16);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.project-carousel-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Pagination Dots */
.carousel-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2.25rem;
}
.dot-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.dot-btn:hover {
  background: rgba(0, 212, 170, 0.5);
  transform: scale(1.25);
}
.dot-btn.active {
  width: 36px;
  border-radius: 12px;
  background: var(--accent);
  box-shadow: 0 0 16px var(--glow);
}

/* ------------------- 12. WORK PROCESS ------------------- */
.section-subtitle {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0.65rem auto 0;
  line-height: 1.6;
}

.process-grid-modern {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 2rem;
}

.process-card-modern {
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.process-card-modern:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 170, 0.45);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5), 0 0 25px rgba(0, 212, 170, 0.12);
}

.process-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.process-badge {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.85;
  letter-spacing: -0.02em;
}

.process-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--accent);
  transition: all 0.3s ease;
}

.process-card-modern:hover .process-icon-box {
  background: rgba(0, 212, 170, 0.2);
  transform: scale(1.08) rotate(3deg);
  border-color: var(--accent);
  box-shadow: 0 0 15px var(--glow);
}

.process-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.process-summary {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.process-subpoints {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.15rem;
}

.process-subpoints li {
  font-size: 0.84rem;
  color: #d1d5db;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.process-subpoints li i {
  color: var(--accent);
  font-size: 0.95rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ------------------- 13. CERTIFICATIONS ------------------- */
.certs-section {
  border-top: 1px solid rgba(0, 212, 170, 0.12);
  background:
    linear-gradient(180deg, rgba(0, 212, 170, 0.025), transparent 22%),
    var(--bg-deep);
}
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.cert-card {
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--border);
}

.cert-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 212, 170, 0.1);
}

.cert-badge-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--accent);
}

.cert-body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.cert-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.35;
}

.cert-issuer {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ------------------- 14. BACKGROUND ------------------- */
.background-stack { display: grid; gap: 1.25rem; }
.background-card {
  padding: 1.75rem;
  background:
    linear-gradient(145deg, rgba(0,212,170,0.045), transparent 44%),
    rgba(15, 22, 41, 0.68);
}
.education-card, .experience-card { width: 100%; }
.education-timeline { display: grid; gap: 0; position: relative; }
.education-timeline::before {
  content: '';
  position: absolute;
  top: 0.6rem;
  bottom: 0.6rem;
  left: 7.7rem;
  width: 1px;
  background: linear-gradient(var(--accent), rgba(0,212,170,0.12));
}
.education-timeline-item {
  display: grid;
  grid-template-columns: 7.1rem 1fr;
  gap: 1.25rem;
  position: relative;
  padding: 0.85rem 0;
}
.education-timeline-item::after {
  content: '';
  position: absolute;
  left: 7.42rem;
  top: 1.2rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,212,170,0.1), 0 0 14px var(--glow);
}
.education-year { color: var(--accent); font-family: var(--font-mono); font-size: 0.7rem; line-height: 1.5; text-align: right; }
.education-timeline-item div { display: grid; gap: 0.25rem; padding-left: 0.75rem; }
.education-timeline-item strong { color: var(--text-white); font-size: 0.92rem; line-height: 1.4; }
.education-timeline-item span:not(.education-year) { color: var(--text-dim); font-size: 0.78rem; line-height: 1.55; }
.internship-documents { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; margin-top: 1.35rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,0.07); }
.document-card { display: flex; align-items: center; gap: 0.7rem; min-width: 0; padding: 0.7rem; border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; background: rgba(255,255,255,0.03); transition: transform 0.3s var(--ease-premium), border-color 0.3s ease, background 0.3s ease; }
.document-card:hover { transform: translateY(-3px); border-color: rgba(0,212,170,0.35); background: rgba(0,212,170,0.06); }
.document-card img { width: 38px; height: 48px; object-fit: cover; object-position: top; border-radius: 5px; border: 1px solid rgba(255,255,255,0.12); }
.document-card span { display: grid; gap: 0.15rem; min-width: 0; }
.document-card strong { color: var(--text-white); font-size: 0.75rem; line-height: 1.3; }
.document-card small { color: var(--text-muted); font-size: 0.68rem; }
.document-card > i { color: var(--accent); margin-left: auto; font-size: 0.75rem; }
.language-tags { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.language-tags span { padding: 0.5rem 0.85rem; border-radius: 999px; color: var(--text-white); background: rgba(0,212,170,0.07); border: 1px solid rgba(0,212,170,0.2); font-size: 0.8rem; }
.timeline-list { display: grid; gap: 1rem; }
.timeline-item {
  display: grid;
  gap: 0.25rem;
  padding-left: 1rem;
  border-left: 2px solid rgba(0,212,170,0.35);
}
.timeline-item strong { color: var(--text-white); font-size: 0.9rem; line-height: 1.4; }
.timeline-item span { color: var(--text-dim); font-size: 0.78rem; line-height: 1.55; }
.background-points {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--text-dim);
  font-size: 0.82rem;
  line-height: 1.55;
}
.background-points li::marker { color: var(--accent); }
.additional-details { display: grid; gap: 1rem; }
.additional-details div { display: grid; gap: 0.2rem; }
.additional-details span {
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}
.additional-details strong { color: var(--text-white); font-size: 0.84rem; line-height: 1.5; }

/* ------------------- 14. CONTACT ------------------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 5.5rem); align-items: start; }
.contact-editorial { padding-top: 0.5rem; }
.contact-kicker { color: var(--accent); font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; }
.contact-heading { font-size: clamp(2.5rem, 5vw, 4.7rem); line-height: 0.98; letter-spacing: -0.055em; margin: 1.2rem 0 1.45rem; }
.contact-heading span { color: transparent; -webkit-text-stroke: 1px rgba(240,244,255,0.5); }
.contact-intro { font-size: 1rem; color: var(--text-dim); margin-bottom: 2rem; max-width: 430px; line-height: 1.75; }
.contact-details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem; }
.contact-row { display: flex; align-items: center; gap: 0.8rem; }
.contact-card { min-height: 78px; padding: 0.9rem; border: 1px solid rgba(255,255,255,0.07); border-radius: 12px; background: rgba(15,22,41,0.5); transition: transform 0.3s var(--ease-premium), border-color 0.3s ease, background 0.3s ease; }
.contact-card:hover { transform: translateY(-3px); border-color: rgba(0,212,170,0.35); background: rgba(0,212,170,0.06); }
.contact-row > i:first-child { font-size: 1rem; color: var(--accent); width: 22px; text-align: center; flex: 0 0 22px; }
.contact-row span { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); display: block; }
.contact-row strong { font-size: 0.77rem; color: var(--text-white); display: block; line-height: 1.35; overflow-wrap: anywhere; }
.contact-card-arrow { margin-left: auto; font-size: 0.7rem !important; color: var(--text-muted) !important; width: auto !important; flex-basis: auto !important; align-self: flex-start; }
.contact-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem; color: var(--text-muted); font-size: 0.75rem; margin-top: 1.2rem; }
.contact-meta .badge-dot-sm { margin-right: 0.1rem; }
.contact-meta-separator { width: 3px; height: 3px; border-radius: 50%; background: var(--text-muted); margin: 0 0.3rem; }
.contact-visual-column { display: flex; flex-direction: column; gap: 1rem; }
.data-network { min-height: 330px; position: relative; overflow: hidden; border: 1px solid rgba(0,212,170,0.16); border-radius: 20px; background: radial-gradient(circle at 54% 46%, rgba(0,180,216,0.12), transparent 40%), linear-gradient(145deg, rgba(0,212,170,0.045), rgba(59,130,246,0.06)); }
.data-network::before { content: ''; position: absolute; inset: 18px; border: 1px solid rgba(255,255,255,0.045); border-radius: 14px; }
.network-label { position: absolute; z-index: 1; top: 1.25rem; left: 1.35rem; color: var(--text-muted); font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.09em; text-transform: uppercase; }
.network-svg { width: 100%; height: 100%; min-height: 330px; display: block; }
.network-line { fill: none; stroke: url(#networkLine); stroke-width: 1.25; stroke-dasharray: 8 10; animation: networkFlow 16s linear infinite; }
.network-line-two { animation-delay: -5s; }
.network-line-three { animation-delay: -9s; }
.network-line-four { animation-delay: -12s; }
@keyframes networkFlow { to { stroke-dashoffset: -180; } }
.network-nodes circle { fill: var(--accent); opacity: 0.85; }
.network-nodes circle:nth-child(2n) { fill: var(--accent-2); }
.network-caption { position: absolute; right: 1.35rem; bottom: 1.1rem; display: grid; text-align: right; gap: 0.15rem; }
.network-caption span { color: var(--text-muted); font-size: 0.7rem; }
.network-caption strong { color: var(--text-white); font-size: 0.9rem; }
.contact-cta { align-self: flex-start; }
.contact-form { padding: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--text-dim); margin-bottom: 0.35rem; }
.form-group input, .form-group textarea {
  width: 100%; padding: 0.75rem 1rem; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  color: var(--text-white); font-family: var(--font); font-size: 0.9rem;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--glow); }
.form-feedback { margin-top: 0.75rem; font-size: 0.85rem; display: none; }
.form-feedback.show { display: block; color: var(--accent); }

/* ------------------- 15. FOOTER ------------------- */
.footer-bar {
  margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  font-size: 0.85rem; color: var(--text-muted);
}
.footer-nav { display: flex; gap: 1.25rem; }
.footer-nav a, .footer-socials a { color: var(--text-dim); transition: color 0.2s; }
.footer-nav a:hover, .footer-socials a:hover { color: var(--accent); }
.footer-socials { display: flex; gap: 0.75rem; font-size: 1.1rem; }

/* ------------------- 16. SCROLL REVEAL & MICRO-ANIMATIONS ------------------- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered project cards & process cards reveal */
.projects-grid .project-card:nth-child(2) { transition-delay: 0.1s; }
.projects-grid .project-card:nth-child(3) { transition-delay: 0.2s; }

.process-grid-modern .process-card-modern:nth-child(1) { transition-delay: 0.05s; }
.process-grid-modern .process-card-modern:nth-child(2) { transition-delay: 0.1s; }
.process-grid-modern .process-card-modern:nth-child(3) { transition-delay: 0.15s; }
.process-grid-modern .process-card-modern:nth-child(4) { transition-delay: 0.2s; }
.process-grid-modern .process-card-modern:nth-child(5) { transition-delay: 0.25s; }
.process-grid-modern .process-card-modern:nth-child(6) { transition-delay: 0.3s; }

/* ------------------- 17. RESPONSIVE ------------------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 2.5rem; }
  .hero-left { order: 2; display: flex; flex-direction: column; align-items: center; }
  .hero-right { order: 1; margin-bottom: 1.5rem; }
  .hero-img-wrapper { width: min(520px, 100%); }
  .hero-title { font-size: 2.6rem; }
  .hero-desc { max-width: 600px; }
  .hero-btns { justify-content: center; }
  .hero-socials { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .about-info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .expertise-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  
  /* Carousel responsive */
  .project-card-large { grid-template-columns: 1fr; gap: 2rem; padding: 2rem; }
  .carousel-nav-btn { width: 46px; height: 46px; font-size: 1.15rem; }

  .process-grid-modern { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .background-stack { grid-template-columns: 1fr; }
  .view-all-link { position: static; justify-content: center; margin-top: 0.5rem; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; position: fixed; top: 64px; left: 0; right: 0;
    background: var(--bg-deep); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 1.5rem; gap: 1.25rem; z-index: 99;
  }
  .nav-links.open { display: flex; }
  .mobile-toggle { display: flex; }
  .nav-right .btn { display: none; }
  .hero-title { font-size: 2.15rem; }
  .hero-img-wrapper { width: min(420px, 100%); }
  
  /* Mobile Carousel */
  .carousel-container { gap: 0.5rem; position: relative; }
  .carousel-nav-btn {
    position: absolute; top: 38%; transform: translateY(-50%);
    width: 42px; height: 42px; font-size: 1.1rem;
    background: rgba(8, 12, 24, 0.92); border-color: rgba(0, 212, 170, 0.4);
    z-index: 10;
  }
  .carousel-nav-btn.prev-btn { left: 4px; }
  .carousel-nav-btn.next-btn { right: 4px; }
  .project-card-large { padding: 1.5rem 1.25rem; }
  .project-carousel-title { font-size: 1.4rem; }
  .project-carousel-links { flex-direction: column; }
  .project-carousel-links .btn { width: 100%; }

  .process-grid-modern { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-info-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .education-timeline::before { left: 5.85rem; }
  .education-timeline-item { grid-template-columns: 5.25rem 1fr; gap: 1rem; }
  .education-timeline-item::after { left: 5.57rem; }
  .internship-documents { grid-template-columns: 1fr; }
  .contact-details { grid-template-columns: 1fr; }
  .contact-heading { font-size: clamp(2.4rem, 12vw, 3.4rem); }
  .data-network { min-height: 270px; }
  .network-svg { min-height: 270px; }
  .network-caption { right: 1rem; bottom: 0.9rem; }
  .expertise-list { grid-template-columns: 1fr; }
  .about-text-card::after { top: 1rem; bottom: 1rem; }
  .about-contact-strip { grid-template-columns: 1fr; align-items: stretch; }
  .about-contact-strip .btn { width: 100%; }
  .footer-bar { flex-direction: column; text-align: center; }
}

/* ------------------- 18. PREMIUM INTERACTION LAYER ------------------- */
.magnetic { transition: transform 0.35s var(--ease-premium); }
.hero-socials .social-link {
  transition: color 0.25s ease, background 0.25s ease, transform 0.35s var(--ease-premium);
}
.social-link:hover i, .logo-icon:hover i, .btn:hover i {
  animation: iconLift 0.45s var(--ease-premium);
}
@keyframes iconLift {
  50% { transform: translateY(-2px) scale(1.08); }
}
.section-header::after {
  content: '';
  display: block;
  width: 42px;
  height: 1px;
  margin: 1.4rem auto 0;
  background: var(--gradient);
  box-shadow: 0 0 14px var(--accent);
  transform: scaleX(0.65);
  transition: transform 0.8s var(--ease-premium);
}
.section-header.is-revealed::after { transform: scaleX(1); }
.reveal-on-scroll {
  transition-duration: 0.95s;
}
.process-grid-modern .reveal-on-scroll:nth-child(2),
.certs-grid .reveal-on-scroll:nth-child(2) { transition-delay: 80ms; }
.process-grid-modern .reveal-on-scroll:nth-child(3),
.certs-grid .reveal-on-scroll:nth-child(3) { transition-delay: 160ms; }
.process-grid-modern .reveal-on-scroll:nth-child(4),
.certs-grid .reveal-on-scroll:nth-child(4) { transition-delay: 240ms; }
.process-grid-modern .reveal-on-scroll:nth-child(5) { transition-delay: 320ms; }
.process-grid-modern .reveal-on-scroll:nth-child(6) { transition-delay: 400ms; }
.skill-bar-fill { position: relative; overflow: hidden; }
.skill-bar-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.65), transparent);
  transform: translateX(-100%);
}
.skills-bars-card.is-revealed .skill-bar-fill::after { animation: barSheen 1.4s 0.7s ease-out forwards; }
@keyframes barSheen { to { transform: translateX(100%); } }
.project-card-large::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(110deg, transparent 25%, rgba(0,212,170,0.14), transparent 70%);
  transform: translateX(-110%);
  transition: transform 0.9s var(--ease-premium);
}
.project-card-large:hover::after { transform: translateX(110%); }

@media (hover: none), (pointer: coarse) {
  .bg-grid {
    mask-image: none;
    -webkit-mask-image: none;
  }
}

@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;
  }
  .reveal-on-scroll { opacity: 1; transform: none; }
  .bg-grid { animation: none; }
  .bg-glow-1, .bg-glow-2, .bg-glow-3 { animation: none; }
}