/* ============================================================
   LOKESH KUMAR — PORTFOLIO DESIGN SYSTEM
   Minimal & Elegant | Inter + DM Serif Display
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=DM+Serif+Display:ital@0;1&display=swap');

/* ——— CSS Variables ——— */
:root {
  --clr-bg:        #F8F7F5;
  --clr-surface:   #FFFFFF;
  --clr-border:    #E8E4DE;
  --clr-text:      #1A1915;
  --clr-muted:     #6B6860;
  --clr-accent:    #2563EB;
  --clr-accent-lt: #EFF6FF;
  --clr-accent-dk: #1D4ED8;
  --clr-gold:      #C9A84C;
  --clr-green:     #16A34A;
  --clr-tag-bg:    #F1EFE9;
  --clr-nav-bg:    rgba(248,247,245,0.85);

  --ff-sans:  'Inter', system-ui, sans-serif;
  --ff-serif: 'DM Serif Display', Georgia, serif;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 48px rgba(0,0,0,0.10), 0 8px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 12px 32px rgba(37,99,235,0.12), 0 4px 12px rgba(37,99,235,0.08);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --nav-h: 72px;
  --max-w: 1140px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
}

/* ——— Reset & Base ——— */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden !important;
  max-width: 100vw !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

body {
  font-family: var(--ff-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden !important;
  max-width: 100vw !important;
  width: 100% !important;
  position: relative !important;
  box-sizing: border-box !important;
}

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

/* ——— Scrollbar Reset — Hide All Scroll Lines Completely ——— */
* {
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
}
*::-webkit-scrollbar,
html::-webkit-scrollbar,
body::-webkit-scrollbar {
  width: 0px !important;
  height: 0px !important;
  display: none !important;
  background: transparent !important;
  opacity: 0 !important;
}
*::-webkit-scrollbar-track,
*::-webkit-scrollbar-thumb {
  background: transparent !important;
  border: none !important;
}

/* Selection */
::selection { background: rgba(37,99,235,0.15); color: var(--clr-text); }

/* Focus ring for accessibility */
:focus-visible { outline: 2px solid var(--clr-accent); outline-offset: 3px; border-radius: 4px; }

/* ——— Typography Helpers ——— */
.serif   { font-family: var(--ff-serif); }
.display { font-family: var(--ff-serif); font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.15; letter-spacing: -0.02em; }
.h1      { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
.h2      { font-size: clamp(1.35rem, 2vw, 1.75rem); font-weight: 600; line-height: 1.3; }
.h3      { font-size: 1.125rem; font-weight: 600; }
.label   { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--clr-muted); }
.muted   { color: var(--clr-muted); }
.small   { font-size: 0.875rem; }

/* ——— Layout Helpers ——— */
.container { max-width: var(--max-w); margin-inline: auto; padding-inline: 1.5rem; }
.section    { padding: 3.75rem 0; }
.section + .section { border-top: 1px solid var(--clr-border); }
.grid-2     { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3     { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-gap   { display: flex; align-items: center; gap: 0.75rem; }

/* ——— Navigation ——— */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: var(--clr-nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--clr-border);
  display: flex; align-items: center;
  transition: box-shadow 0.3s var(--ease-out);
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav__inner { max-width: var(--max-w); margin-inline: auto; padding-inline: 1.5rem; width: 100%; display: flex; align-items: center; justify-content: space-between; }
.nav__logo { font-family: var(--ff-serif); font-size: 1.35rem; letter-spacing: -0.01em; }
.nav__logo span { color: var(--clr-accent); }
.nav__links { display: flex; align-items: center; gap: 0.25rem; }
.nav__link {
  font-size: 0.875rem; font-weight: 500; color: var(--clr-muted);
  padding: 0.4rem 0.85rem; border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav__link:hover { color: var(--clr-text); background: var(--clr-tag-bg); }
.nav__link.active { color: var(--clr-accent); background: var(--clr-accent-lt); }
.nav__cta {
  font-size: 0.875rem; font-weight: 600; color: #fff;
  background: var(--clr-accent); padding: 0.5rem 1.1rem; border-radius: var(--radius-sm);
  transition: background 0.2s, transform 0.15s;
}
.nav__cta:hover { background: var(--clr-accent-dk); transform: translateY(-1px); }
.nav__hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav__hamburger span { display: block; width: 22px; height: 2px; background: var(--clr-text); border-radius: 2px; transition: all 0.3s; }
.nav__mobile { display: none; }

/* ——— Page Header (for inner pages) ——— */
.page-header {
  padding-top: calc(var(--nav-h) + 2.5rem);
  padding-bottom: 2.25rem;
  text-align: center;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
}
.page-header__label { margin-bottom: 0.75rem; }
.page-header__title { margin-bottom: 0.75rem; }
.page-header__sub   { color: var(--clr-muted); max-width: 580px; margin-inline: auto; }

/* ——— Section Header ——— */
.sec-header { margin-bottom: 2.25rem; }
.sec-header__label { margin-bottom: 0.5rem; }
.sec-header__title { font-family: var(--ff-serif); font-size: clamp(1.75rem, 3vw, 2.25rem); letter-spacing: -0.02em; }
.sec-header__line  { width: 48px; height: 3px; background: var(--clr-accent); border-radius: 2px; margin-top: 1rem; }

/* ——— Buttons ——— */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.9rem; font-weight: 600; padding: 0.7rem 1.4rem; border-radius: var(--radius-sm);
  transition: all 0.2s var(--ease-out);
}
.btn-primary { background: var(--clr-accent); color: #fff; }
.btn-primary:hover { background: var(--clr-accent-dk); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline { border: 1.5px solid var(--clr-border); color: var(--clr-text); }
.btn-outline:hover { border-color: var(--clr-accent); color: var(--clr-accent); transform: translateY(-2px); }
.btn-ghost { color: var(--clr-accent); padding: 0.4rem 0; }
.btn-ghost:hover { opacity: 0.75; }
.btn svg { flex-shrink: 0; }

/* ——— Cards ——— */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(37,99,235,0.08), 0 4px 12px rgba(0,0,0,0.04); border-color: rgba(37,99,235,0.15); }

/* ——— Tags / Badges ——— */
.tag {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.75rem; font-weight: 500;
  background: var(--clr-tag-bg); color: var(--clr-muted);
  padding: 0.25rem 0.65rem; border-radius: 100px;
  border: 1px solid var(--clr-border);
  transition: background 0.2s, color 0.2s;
}
.tag.accent { background: var(--clr-accent-lt); color: var(--clr-accent); border-color: #BFDBFE; }
.tag.gold   { background: #FEF9EE; color: #92400E; border-color: #FDE68A; }
.tag.green  { background: #F0FDF4; color: #15803D; border-color: #BBF7D0; }
.tags-row   { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ——— Skill Bar ——— */
.skill-item { margin-bottom: 1.25rem; }
.skill-header { display: flex; justify-content: space-between; margin-bottom: 0.5rem; }
.skill-name { font-size: 0.875rem; font-weight: 500; }
.skill-pct  { font-size: 0.75rem; font-weight: 600; color: var(--clr-accent); }
.skill-bar  { height: 6px; background: var(--clr-tag-bg); border-radius: 3px; overflow: hidden; }
.skill-fill {
  height: 100%; background: linear-gradient(90deg, var(--clr-accent), #60A5FA);
  border-radius: 3px; width: 0;
  transition: width 1.2s var(--ease-out);
}

/* ——— Timeline ——— */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px;
  width: 2px; background: var(--clr-border); border-radius: 2px;
}
.tl-item { position: relative; margin-bottom: 2.5rem; }
.tl-dot {
  position: absolute; left: -2rem; top: 6px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--clr-surface); border: 2.5px solid var(--clr-accent);
  transition: background 0.3s, transform 0.3s;
}
.tl-item:hover .tl-dot { background: var(--clr-accent); transform: scale(1.2); }
.tl-date { font-size: 0.75rem; font-weight: 600; color: var(--clr-accent); letter-spacing: 0.06em; margin-bottom: 0.35rem; }
.tl-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.15rem; }
.tl-sub { font-size: 0.875rem; color: var(--clr-muted); margin-bottom: 0.75rem; }
.tl-list { display: flex; flex-direction: column; gap: 0.4rem; }
.tl-list li { font-size: 0.875rem; color: var(--clr-muted); padding-left: 1rem; position: relative; }
.tl-list li::before { content: '→'; position: absolute; left: 0; color: var(--clr-accent); font-size: 0.8rem; }

/* ——— Testimonial ——— */
.testimonial-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem 1.5rem;
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  font-family: var(--ff-serif);
  font-size: 5rem; line-height: 1;
  color: var(--clr-border);
  position: absolute; top: 1rem; left: 1.5rem;
}
.testimonial-text { font-size: 0.95rem; line-height: 1.7; color: var(--clr-muted); margin-bottom: 1.25rem; position: relative; z-index: 1; }
.testimonial-author { display: flex; align-items: center; gap: 0.75rem; border-top: 1px solid var(--clr-border); padding-top: 1rem; }
.testimonial-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--clr-tag-bg); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem; color: var(--clr-accent);
}
.testimonial-name { font-size: 0.875rem; font-weight: 600; }
.testimonial-role { font-size: 0.75rem; color: var(--clr-muted); }

/* ——— Contact Form ——— */
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.5rem; }
.form-input, .form-textarea {
  width: 100%; font-family: var(--ff-sans); font-size: 0.9rem;
  background: var(--clr-surface); border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm); padding: 0.75rem 1rem; color: var(--clr-text);
  transition: border-color 0.2s, box-shadow 0.2s; outline: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-textarea { resize: vertical; min-height: 140px; }

/* ——— Social Links ——— */
.social-links { display: flex; gap: 0.75rem; }
.social-link {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border); display: flex; align-items: center; justify-content: center;
  color: var(--clr-muted); transition: all 0.2s;
}
.social-link:hover { color: var(--clr-accent); border-color: var(--clr-accent); background: var(--clr-accent-lt); transform: translateY(-2px); }

/* ——— Divider ——— */
.divider { height: 1px; background: var(--clr-border); margin: 2.5rem 0; }

/* ——— Footer ——— */
.footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding: 2.5rem 0;
  text-align: center;
}
.footer__inner { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }
.footer__logo { font-family: var(--ff-serif); font-size: 1.2rem; }
.footer__logo span { color: var(--clr-accent); }
.footer__links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.25rem; }
.footer__link { font-size: 0.8rem; color: var(--clr-muted); padding: 0.3rem 0.6rem; border-radius: var(--radius-sm); transition: color 0.2s, background 0.2s; }
.footer__link:hover { color: var(--clr-accent); background: var(--clr-accent-lt); }
.footer__copy { font-size: 0.8rem; color: var(--clr-muted); }

/* ——— Animations ——— */
@keyframes fadeUp   { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn   { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn  { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse    { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes shimmer  { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

.animate-fade-up  { animation: fadeUp 0.65s var(--ease-out) both; }
.animate-fade-in  { animation: fadeIn 0.5s var(--ease-out) both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* Intersection Observer revealed */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ——— Responsive ——— */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .nav__mobile {
    display: flex; flex-direction: column; gap: 0;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--clr-surface); border-bottom: 1px solid var(--clr-border);
    padding: 0.75rem 1.5rem 1.5rem;
    transform: translateY(-110%); transition: transform 0.35s var(--ease-out);
    z-index: 99;
  }
  .nav__mobile.open { transform: translateY(0); }
  .nav__mobile .nav__link { padding: 0.75rem 0; border-bottom: 1px solid var(--clr-border); }
  .nav__mobile .nav__cta { display: inline-flex; margin-top: 1rem; }
  .section { padding: 3.5rem 0; }
}

/* ══════════════════════════════════════════════
   VISUAL IMPROVEMENTS — ADDED 2026
   ══════════════════════════════════════════════ */

/* Dark Mode Variables */
[data-theme="dark"] {
  --clr-bg:        #0d1117;
  --clr-surface:   #161b22;
  --clr-border:    #30363d;
  --clr-text:      #e6edf3;
  --clr-muted:     #8b949e;
  --clr-accent:    #58a6ff;
  --clr-accent-lt: rgba(88,166,255,0.12);
  --clr-accent-dk: #1f6feb;
  --clr-gold:      #fbbf24;
  --clr-green:     #3fb950;
  --clr-tag-bg:    #21262d;
  --clr-nav-bg:    rgba(13,17,23,0.92);
}
[data-theme="dark"] body { background: var(--clr-bg); color: var(--clr-text); }
[data-theme="dark"] .hero__avatar-badge { background: #161b22 !important; border-color: #30363d !important; color: #e6edf3; }
[data-theme="dark"] .page-header { background: var(--clr-surface); }
[data-theme="dark"] .form-card   { background: var(--clr-surface); border-color: var(--clr-border); }
[data-theme="dark"] .feat-card   { background: var(--clr-surface); }
[data-theme="dark"] .contact-item { background: var(--clr-surface); border-color: var(--clr-border); }
[data-theme="dark"] .skills-cat  { background: var(--clr-surface); border-color: var(--clr-border); }
[data-theme="dark"] .tool-item   { background: var(--clr-surface); border-color: var(--clr-border); }
[data-theme="dark"] .tech-pill   { background: var(--clr-surface); border-color: var(--clr-border); }
[data-theme="dark"] .form-input, [data-theme="dark"] .form-textarea { background: var(--clr-surface); border-color: var(--clr-border); color: var(--clr-text); }
[data-theme="dark"] .testimonial-card { background: var(--clr-surface); border-color: var(--clr-border); }

/* Dark Mode Toggle Button */
.dark-toggle {
  width: 42px; height: 24px; background: var(--clr-border);
  border-radius: 12px; border: none; cursor: pointer;
  padding: 3px; display: flex; align-items: center;
  transition: background 0.35s; position: relative; flex-shrink: 0;
}
.dark-toggle__knob {
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,0.25);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1); pointer-events: none;
}
[data-theme="dark"] .dark-toggle { background: var(--clr-accent); }
[data-theme="dark"] .dark-toggle__knob { transform: translateX(18px); }

/* Page Header Gradient Bar */
.page-header { position: relative; border-top: none; }
.page-header::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #2563EB 0%, #8B5CF6 50%, #2563EB 100%);
  background-size: 200% 100%;
  animation: headerShimmer 3s linear infinite;
}
@keyframes headerShimmer { 0% { background-position: 0% 0; } 100% { background-position: 200% 0; } }

/* Nav Active Link Underline */
.nav__link { position: relative; }
.nav__link.active::after {
  content: ''; position: absolute;
  bottom: -1px; left: 12%; right: 12%;
  height: 2px; background: var(--clr-accent); border-radius: 2px;
}

/* Hero Bio Glow */
.hero__bio-glow {
  animation: bioGlow 4s ease-in-out infinite;
}
@keyframes bioGlow {
  0%,100% { border-left-color: #2563EB; box-shadow: -3px 0 14px rgba(37,99,235,0.18); }
  50%     { border-left-color: #818CF8; box-shadow: -3px 0 22px rgba(129,140,248,0.35); }
}

/* Typewriter Cursor */
.hero__role-typed::after {
  content: '|'; animation: cursorBlink 0.75s step-end infinite;
  color: var(--clr-accent); font-weight: 300;
}
@keyframes cursorBlink { 50% { opacity: 0; } }

/* Infinite Marquee */
.marquee-wrapper {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.marquee-track {
  display: flex; gap: 0.75rem; width: max-content;
  animation: marqueeScroll 30s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marqueeScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Dark Footer */
.footer { background: linear-gradient(135deg, #0f172a 0%, #1a2744 100%) !important; border-top: 1px solid #1e3a5f !important; }
.footer__logo { color: #f1f5f9 !important; }
.footer__logo span { color: #60a5fa !important; }
.footer__link { color: #94a3b8 !important; }
.footer__link:hover { color: #60a5fa !important; background: rgba(96,165,250,0.1) !important; }
.footer__copy { color: #64748b !important; }
.footer__social { display: flex; gap: 0.6rem; flex-wrap: wrap; justify-content: center; margin-bottom: 0.75rem; }
.footer__social-link {
  font-size: 0.78rem; color: #94a3b8; padding: 0.3rem 0.75rem;
  border: 1px solid #334155; border-radius: 100px;
  transition: all 0.2s; text-decoration: none;
}
.footer__social-link:hover { color: #60a5fa; border-color: #60a5fa; background: rgba(96,165,250,0.08); }

/* Back to Top */
.back-top {
  position: fixed; bottom: 6.5rem; right: 1.75rem; z-index: 90;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--clr-accent); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; box-shadow: 0 4px 16px rgba(37,99,235,0.35);
  opacity: 0; pointer-events: none; cursor: pointer;
  transition: opacity 0.3s, transform 0.3s; transform: translateY(10px);
}
.back-top.show { opacity: 1; pointer-events: all; transform: translateY(0); }
.back-top:hover { background: var(--clr-accent-dk); transform: translateY(-2px) !important; }

/* Sticky Resume CTA */
.resume-cta-fixed {
  position: fixed; bottom: 1.75rem; right: 1.75rem; z-index: 90;
  background: var(--clr-accent); color: #fff;
  padding: 0.65rem 1.2rem; border-radius: 50px; font-size: 0.82rem;
  font-weight: 700; text-decoration: none;
  box-shadow: 0 4px 16px rgba(37,99,235,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex; align-items: center; gap: 0.4rem;
}
.resume-cta-fixed:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(37,99,235,0.55); }

/* Project Stats Bar */
.projects-stats-bar {
  display: flex; gap: 1.5rem; align-items: center; justify-content: center; flex-wrap: wrap;
  padding: 1rem 1.5rem; margin-bottom: 2.5rem;
  background: var(--clr-surface); border: 1px solid var(--clr-border); border-radius: var(--radius-lg);
}
.projects-stats-bar__num { font-size: 1.4rem; font-weight: 800; font-family: var(--ff-serif); color: var(--clr-accent); }
.projects-stats-bar__label { font-size: 0.8rem; color: var(--clr-muted); font-weight: 500; }
.projects-stats-bar__sep { color: var(--clr-border); font-size: 1.5rem; line-height: 1; }

/* Currently Building Pill */
.building-pill {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(22,163,74,0.1); border: 1px solid rgba(22,163,74,0.3);
  color: #15803d; border-radius: 100px;
  padding: 0.3rem 0.85rem; font-size: 0.75rem; font-weight: 600;
  margin-bottom: 0.75rem; cursor: default;
}
[data-theme="dark"] .building-pill { background: rgba(63,185,80,0.1); border-color: rgba(63,185,80,0.3); color: #3fb950; }
.building-pill__dot { width: 7px; height: 7px; background: #16a34a; border-radius: 50%; animation: pulse 2s infinite; }

/* ——— Marquee containment fix ——— */
.tech-strip { overflow: hidden; max-width: 100%; width: 100%; }
.marquee-wrapper {
  overflow: hidden; width: 100%; max-width: 100%;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

/* ——— Dark mode: CTA / "Want to work" section ——— */
[data-theme="dark"] .cta-section { background: #1a2236 !important; }
[data-theme="dark"] .cta-section h2 { color: #f1f5f9 !important; }
[data-theme="dark"] .cta-section p { color: #94a3b8 !important; opacity: 1 !important; }
[data-theme="dark"] .cta-section .btn-outline { border-color: #334155 !important; color: #f1f5f9 !important; }
[data-theme="dark"] .cta-section .btn-outline:hover { background: rgba(255,255,255,0.08) !important; }

/* ——— Dark mode: feat-cards on homepage ——— */
[data-theme="dark"] .feat-card { background: #161b22; border-color: #30363d; }
[data-theme="dark"] .feat-card__title { color: #e6edf3; }
[data-theme="dark"] .feat-card__desc { color: #8b949e; }
[data-theme="dark"] .feat-card__link { color: #58a6ff; }

/* ——— Hero avatar & About photo HD crisp rendering styling ——— */
.hero__avatar-img, .about-photo {
  image-rendering: -webkit-optimize-contrast !important;
  image-rendering: crisp-edges !important;
  object-fit: cover !important;
  object-position: top center !important;
}

/* ══════════════════════════════════════════════
   FINAL POLISH — LOVELY LAST TOUCHES
   ══════════════════════════════════════════════ */

/* ——— Custom Scrollbar (Hidden globally for edge-to-edge look) ——— */

/* ——— Scroll Progress Bar ——— */
#scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
  height: 3px;
  background: linear-gradient(90deg, #2563EB, #8B5CF6, #2563EB);
  background-size: 200% 100%;
  animation: headerShimmer 3s linear infinite;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.05s linear;
}

/* ——— Page Fade Transition ——— */
body { animation: pageFadeIn 0.35s ease both; }
@keyframes pageFadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ——— Smooth HTML Scroll ——— */
html { scroll-behavior: smooth; }

/* ——— Experience dark mode fixes ——— */
[data-theme="dark"] .exp-card { background: var(--clr-surface) !important; border-color: var(--clr-border) !important; }
[data-theme="dark"] .exp-sidebar__card { background: var(--clr-surface) !important; border-color: var(--clr-border) !important; }
[data-theme="dark"] .current-badge { background: rgba(63,185,80,0.12) !important; color: #4ade80 !important; border-color: rgba(63,185,80,0.3) !important; }

/* ——— Contact dark mode fixes ——— */
[data-theme="dark"] .form-success { background: rgba(22,163,74,0.12) !important; border-color: rgba(63,185,80,0.3) !important; color: #4ade80 !important; }
[data-theme="dark"] .interest-item { background: var(--clr-tag-bg) !important; border-color: var(--clr-border) !important; color: var(--clr-muted); }
[data-theme="dark"] .contact-item__value { color: var(--clr-text) !important; }

/* ——— Education dark mode ——— */
[data-theme="dark"] .edu-card { background: var(--clr-surface) !important; border-color: var(--clr-border) !important; }
[data-theme="dark"] .gpa-badge { background: rgba(37,99,235,0.15) !important; }

/* ——— About page dark mode ——— */
[data-theme="dark"] .value-card { background: var(--clr-surface) !important; border-color: var(--clr-border) !important; }
[data-theme="dark"] .timeline-item { border-color: var(--clr-border) !important; }

/* ——— Tooltip styles ——— */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute; bottom: 120%; left: 50%; transform: translateX(-50%);
  background: #0f172a; color: #f1f5f9; font-size: 0.72rem; font-weight: 500;
  padding: 0.35rem 0.7rem; border-radius: var(--radius-sm); white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s; z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
[data-tooltip]:hover::after { opacity: 1; }

/* ——— Copy email button ——— */
.copy-btn {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: none; border: none; cursor: pointer;
  color: var(--clr-accent); font-size: 0.75rem; font-weight: 600;
  padding: 0.2rem 0.4rem; border-radius: 4px;
  transition: background 0.2s;
}
.copy-btn:hover { background: var(--clr-accent-lt); }
.copy-btn.copied { color: var(--clr-green); }

/* ——— Keyboard shortcut hint ——— */
.kbd-hint {
  display: inline-flex; align-items: center;
  font-size: 0.65rem; color: var(--clr-muted);
  background: var(--clr-tag-bg); border: 1px solid var(--clr-border);
  border-radius: 4px; padding: 0.1rem 0.4rem;
  font-family: monospace; letter-spacing: 0.02em;
}

/* ——— Improved focus ring ——— */
:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ——— Selection highlight ——— */
::selection { background: rgba(37,99,235,0.2); color: var(--clr-text); }

/* ——— Enhanced nav logo hover ——— */
.nav__logo { transition: letter-spacing 0.3s var(--ease-out); }
.nav__logo:hover { letter-spacing: 0.04em; }

/* ——— Pulsing dot for availability ——— */
@keyframes availPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(22,163,74,0.4); }
  50%      { box-shadow: 0 0 0 6px rgba(22,163,74,0); }
}
.hero__label-dot { animation: availPulse 2s infinite, pulse 2s infinite; }

/* ——— Mobile nav improvement ——— */
@media(max-width:768px) {
  .resume-cta-fixed { bottom: 1rem; right: 1rem; padding: 0.55rem 0.9rem; font-size: 0.78rem; }
  .back-top { bottom: 4.5rem; right: 1rem; width: 38px; height: 38px; font-size: 1rem; }
}

/* ——— Back to Top Button ——— */
.back-top {
  position: fixed; bottom: 5.5rem; right: 1.75rem; z-index: 888;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--clr-accent); color: #fff;
  border: none; cursor: pointer; font-size: 1.15rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,99,235,0.4);
  opacity: 0; pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s;
}
.back-top.visible, .back-top.show { opacity: 1; pointer-events: auto; transform: none; }
.back-top:hover { background: #1d4ed8; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37,99,235,0.5); }

/* ——— Dark toggle keyboard hint ——— */
.dark-toggle[title]:hover::after {
  content: 'Press D';
  position: absolute; top: calc(100% + 6px); right: 0;
  background: #0f172a; color: #f1f5f9; font-size: 0.65rem;
  padding: 0.2rem 0.5rem; border-radius: 4px; white-space: nowrap;
  font-family: monospace; pointer-events: none;
}
.dark-toggle { position: relative; }

/* ——— Hero bio glow in dark ——— */
[data-theme="dark"] .hero__bio { border-color: rgba(88,166,255,0.4); }
[data-theme="dark"] .hero__bio-glow { text-shadow: none; }

/* ——— Print: clean resume view ——— */
@media print {
  .nav, .dark-toggle, .nav__hamburger, .resume-cta-fixed,
  .back-top, #scroll-progress, .hero__avatar-tech { display: none !important; }
  body { font-size: 12pt; background: #fff; color: #000; }
  .hero { min-height: auto; padding: 1rem 0; }
  a { color: #000; text-decoration: underline; }
}


/* ══════════════════════════════════════════════════
   LK PORTFOLIO CHATBOT WIDGET
   All colours use CSS variables — dark mode is free!
   ══════════════════════════════════════════════════ */

/* ── Toggle Button ── */
.lk-chat { position: fixed; bottom: 2rem; left: 1.5rem; z-index: 999999; font-family: var(--ff-sans, system-ui, sans-serif); }

.lk-chat__toggle {
  display: flex; align-items: center; gap: 0.5rem;
  background: var(--clr-accent); color: #fff;
  border: none; border-radius: 50px; cursor: pointer;
  padding: 0.7rem 1.1rem; font-size: 0.85rem; font-weight: 600;
  box-shadow: 0 4px 20px rgba(37,99,235,0.45);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  white-space: nowrap; touch-action: manipulation;
}
.lk-chat__toggle:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,99,235,0.5);
}
.lk-chat__toggle-icon { font-size: 1.1rem; line-height: 1; }
.lk-chat__toggle-label { font-size: 0.82rem; }

/* ── Chat Panel ── */
.lk-chat__panel {
  position: absolute; bottom: calc(100% + 0.75rem); left: 0;
  width: 360px; max-height: 520px;
  background: var(--clr-bg); border: 1px solid var(--clr-border);
  border-radius: 1.25rem; box-shadow: 0 20px 60px rgba(0,0,0,0.18);
  display: flex; flex-direction: column; overflow: hidden;
  opacity: 0; transform: translateY(12px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 999999;
}
.lk-chat__panel.open {
  opacity: 1; transform: none; pointer-events: auto;
}

/* ── Header ── */
.lk-chat__header {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 1rem 1.1rem 0.9rem;
  background: linear-gradient(135deg, var(--clr-accent), #7c3aed);
  color: #fff; flex-shrink: 0;
}
.lk-chat__bot-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.lk-chat__bot-info { flex: 1; min-width: 0; }
.lk-chat__bot-name { font-weight: 700; font-size: 0.9rem; }
.lk-chat__bot-status {
  font-size: 0.72rem; opacity: 0.85;
  display: flex; align-items: center; gap: 0.35rem;
}
.lk-chat__status-dot {
  width: 7px; height: 7px; background: #4ade80; border-radius: 50%;
  animation: pulse 2s infinite;
}
.lk-chat__header-close {
  background: rgba(255,255,255,0.15); border: none; color: #fff;
  border-radius: 50%; width: 28px; height: 28px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; flex-shrink: 0;
  transition: background 0.2s;
}
.lk-chat__header-close:hover { background: rgba(255,255,255,0.3); }

/* ── Messages Area ── */
.lk-chat__messages {
  flex: 1; overflow-y: auto; padding: 1rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  scroll-behavior: smooth;
}
.lk-chat__messages::-webkit-scrollbar { width: 4px; }
.lk-chat__messages::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 10px; }

/* Message Bubbles */
.lk-msg {
  max-width: 85%; font-size: 0.84rem; line-height: 1.55;
  padding: 0.6rem 0.9rem; border-radius: 14px; word-break: break-word;
  animation: lkMsgIn 0.2s ease;
}
@keyframes lkMsgIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.lk-msg--bot {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  color: var(--clr-text); border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.lk-msg--user {
  background: var(--clr-accent); color: #fff;
  border-bottom-right-radius: 4px; align-self: flex-end;
}

/* Typing Indicator */
.lk-typing {
  display: flex; gap: 4px; align-items: center;
  padding: 0.7rem 0.9rem;
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: 14px; border-bottom-left-radius: 4px;
  align-self: flex-start; width: fit-content;
}
.lk-typing span {
  width: 7px; height: 7px; background: var(--clr-muted);
  border-radius: 50%; animation: lkTyping 1.2s infinite;
}
.lk-typing span:nth-child(2) { animation-delay: 0.2s; }
.lk-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes lkTyping {
  0%,60%,100% { transform: translateY(0); opacity: 0.4; }
  30%          { transform: translateY(-6px); opacity: 1; }
}

/* ── Quick Reply Chips ── */
.lk-chat__chips {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  padding: 0 0.9rem 0.7rem; flex-shrink: 0;
}
.lk-chip {
  background: var(--clr-accent-lt); color: var(--clr-accent);
  border: 1px solid rgba(37,99,235,0.25); border-radius: 50px;
  padding: 0.28rem 0.7rem; font-size: 0.75rem; font-weight: 500;
  cursor: pointer; white-space: nowrap;
  transition: background 0.2s, transform 0.15s;
}
.lk-chip:hover { background: rgba(37,99,235,0.15); transform: translateY(-1px); }

/* ── Input Area ── */
.lk-chat__input-row {
  display: flex; gap: 0.5rem; align-items: center;
  padding: 0.75rem 1rem; border-top: 1px solid var(--clr-border);
  background: var(--clr-surface); flex-shrink: 0;
}
.lk-chat__input {
  flex: 1; background: var(--clr-bg); color: var(--clr-text);
  border: 1px solid var(--clr-border); border-radius: 50px;
  padding: 0.5rem 0.9rem; font-size: 0.84rem; outline: none;
  transition: border-color 0.2s;
}
.lk-chat__input:focus { border-color: var(--clr-accent); }
.lk-chat__input::placeholder { color: var(--clr-muted); }
.lk-chat__send {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  background: var(--clr-accent); color: #fff; border: none; cursor: pointer;
  font-size: 1rem; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, transform 0.15s;
}
.lk-chat__send:hover { background: #1d4ed8; transform: scale(1.05); }
.lk-chat__send:disabled { background: var(--clr-border); cursor: not-allowed; transform: none; }

/* ── Mobile Viewport Bottom Sheet Modal ── */
@media(max-width: 600px) {
  .lk-chat {
    bottom: 1rem !important;
    left: 1rem !important;
    z-index: 999999 !important;
  }
  .lk-chat__toggle {
    padding: 0.65rem 1rem !important;
    border-radius: 50px !important;
    font-size: 0.8rem !important;
  }
  .lk-chat__toggle-label {
    display: inline !important;
  }
  .lk-chat__panel {
    position: fixed !important;
    top: auto !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100vw !important;
    height: 78vh !important;
    max-height: 560px !important;
    border-radius: 20px 20px 0 0 !important;
    border-bottom: none !important;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.4) !important;
    z-index: 999999 !important;
  }
}

/* ══════════════════════════════════════════════
   MOBILE VIEWPORT & HERO SECTION LAYOUT FIXES
   ══════════════════════════════════════════════ */
html, body {
  overflow-x: hidden !important;
  width: 100%;
  max-width: 100vw;
}

.nav__desktop-ctas {
  display: flex; gap: 0.5rem; align-items: center;
}

@media (max-width: 768px) {
  .nav__desktop-ctas { display: none !important; }
  
  .hero {
    min-height: auto !important;
    padding-top: calc(var(--nav-h) + 1.25rem) !important;
    padding-bottom: 3rem !important;
    overflow: hidden !important;
  }
  
  .hero__grid {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    width: 100% !important;
    gap: 1.5rem !important;
  }
  
  .hero__avatar-wrap {
    display: block !important;
    max-width: 260px !important;
    width: 100% !important;
    margin: 1rem auto 1.5rem !important;
  }
  
  .hero__label {
    justify-content: center !important;
    flex-wrap: wrap !important;
    font-size: 0.75rem !important;
    margin-bottom: 0.75rem !important;
  }
  
  .building-pill {
    max-width: 100% !important;
    white-space: normal !important;
    word-break: break-word !important;
    text-align: center !important;
    justify-content: center !important;
    font-size: 0.72rem !important;
    padding: 0.4rem 0.85rem !important;
    line-height: 1.45 !important;
    margin-inline: auto !important;
  }
  
  .hero__name {
    font-size: clamp(2.2rem, 8.5vw, 3.2rem) !important;
    text-align: center !important;
    margin-bottom: 0.35rem !important;
  }
  
  .hero__role {
    font-size: 0.95rem !important;
    text-align: center !important;
    margin-bottom: 1.25rem !important;
  }
  
  .hero__bio {
    max-width: 100% !important;
    border-left: none !important;
    border-top: 3px solid var(--clr-accent) !important;
    padding-left: 0 !important;
    padding-top: 0.85rem !important;
    text-align: center !important;
    margin-inline: auto !important;
    margin-bottom: 1.75rem !important;
    font-size: 0.92rem !important;
  }
  
  .hero__actions {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    gap: 0.65rem !important;
    margin-bottom: 2rem !important;
  }
  
  .hero__actions .btn {
    width: 100% !important;
    max-width: 320px !important;
    justify-content: center !important;
  }
  
  .hero__stats {
    justify-content: center !important;
    gap: 1.5rem !important;
    width: 100% !important;
  }
  
  .flagship-showcase {
    padding: 1.75rem 1.25rem !important;
    gap: 1.25rem !important;
  }
}


/* Performance & Core Web Vitals Optimization */


.lk-chat__toggle { will-change: transform; transform: translateZ(0); }


/* Uniform Button Layout Fix */
.btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 42px !important;
  padding: 0 1.25rem !important;
  font-size: 0.875rem !important;
  font-weight: 600 !important;
  border-radius: var(--radius-md, 8px) !important;
  white-space: nowrap !important;
  line-height: 1 !important;
  box-sizing: border-box !important;
  transition: all 0.25s var(--ease-out, ease);
  text-decoration: none !important;
}

.hero__actions {
  display: flex !important;
  align-items: center !important;
  gap: 0.85rem !important;
  flex-wrap: wrap !important;
  margin-bottom: 2.5rem !important;
}

.nav__desktop-ctas {
  display: flex !important;
  align-items: center !important;
  gap: 0.6rem !important;
}

.nav__cta {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 36px !important;
  padding: 0 0.95rem !important;
  font-size: 0.825rem !important;
  font-weight: 600 !important;
  border-radius: var(--radius-sm, 6px) !important;
  white-space: nowrap !important;
  box-sizing: border-box !important;
}

/* ══════════════════════════════════════════════
   MOBILE UI & RESPONSIVENESS PERFECT PASS
   ══════════════════════════════════════════════ */

/* Issue 1: Footer Padding Restored to Original Sleek Spacing */
.footer {
  padding: 2.5rem 0 3rem !important;
  position: relative;
  z-index: 1;
}
.footer__inner, .footer__bottom {
  padding-bottom: 0 !important;
}
.footer__copy {
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
}

/* Wide Blue Action Button ("View All 57+ Live Projects...") */
.btn-all-projects {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 0.9rem 2.2rem;
  border-radius: 50px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  box-shadow: 0 4px 18px rgba(37,99,235,0.4);
  color: #ffffff !important;
  text-decoration: none !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  transition: all 0.3s ease;
}
.btn-all-projects:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.5);
}

/* Issue 2: Universal Button Text Wrapping & Max-Width Protection */
.btn, a.btn, button.btn, .btn-all-projects, .flagship-showcase__btn, .hero__actions .btn {
  max-width: 100% !important;
  box-sizing: border-box !important;
}

/* Issue 3: Contact Cards Overflow Protection */
.contact-layout, .contact-info, .contact-item, .contact-card, .form-card, .interest-item {
  box-sizing: border-box !important;
  max-width: 100% !important;
  width: 100% !important;
}

.contact-item__value, .contact-item__value a {
  word-break: break-all !important;
  overflow-wrap: anywhere !important;
  max-width: 100% !important;
}

/* Issue 4: Header Nav Breathing Room & Container Padding */
.nav__inner {
  padding-left: 1.25rem !important;
  padding-right: 1.5rem !important;
  box-sizing: border-box !important;
  width: 100% !important;
}

@media (max-width: 768px) {
  html, body {
    overflow-x: hidden !important;
    max-width: 100vw !important;
    width: 100% !important;
    box-sizing: border-box !important;
    scrollbar-width: none !important; /* Firefox: Hide scrollbar track on mobile */
    -ms-overflow-style: none !important; /* IE/Edge: Hide scrollbar track on mobile */
  }

  /* HIDE ALL CUSTOM SCROLLBARS & TRACKS ON MOBILE FOR A FLAWLESS EDGE-TO-EDGE LOOK */
  ::-webkit-scrollbar {
    width: 0px !important;
    height: 0px !important;
    display: none !important;
    background: transparent !important;
  }
  ::-webkit-scrollbar-track {
    background: transparent !important;
    border: none !important;
  }
  ::-webkit-scrollbar-thumb {
    background: transparent !important;
    border: none !important;
  }

  .container, .section, .nav, .footer, .hero, .tech-strip, .nestgen-banner, .flagship-showcase, #scroll-progress {
    max-width: 100vw !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .container {
    padding-left: 1.25rem !important;
    padding-right: 1.25rem !important;
  }

  /* Footer Padding Restored to Original Sleek Size */
  .footer {
    padding-bottom: 3.5rem !important;
  }
  .footer__copy {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
  }

  /* Issue 2: Mobile Button Text Wrapping & Width Constraint */
  .btn-all-projects {
    display: flex !important;
    width: calc(100% - 2rem) !important;
    max-width: calc(100% - 2rem) !important;
    margin-left: auto !important;
    margin-right: auto !important;
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
    text-align: center !important;
    padding: 0.85rem 1.25rem !important;
    font-size: 0.925rem !important;
    line-height: 1.4 !important;
    height: auto !important;
    border-radius: 14px !important;
    box-sizing: border-box !important;
  }

  .btn, a.btn, button.btn, .flagship-showcase__btn, .hero__actions .btn {
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
    height: auto !important;
    min-height: 44px !important;
    padding: 0.75rem 1rem !important;
    text-align: center !important;
    line-height: 1.35 !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Issue 4: Hamburger Menu Placement & Header Layout */
  .nav__desktop-ctas,
  .nav__inner > div[style*="display: flex"] {
    display: none !important;
  }

  .nav__hamburger, #hamburger {
    display: flex !important;
    margin-left: 0.75rem !important;
    margin-right: 0.5rem !important;
    padding: 8px !important;
    flex-shrink: 0 !important;
    z-index: 101 !important;
  }

  .dark-toggle {
    margin-left: auto !important;
  }

  /* Hero Section Mobile Enhancements */
  .hero {
    padding-top: calc(var(--nav-h, 70px) + 1.25rem) !important;
    padding-bottom: 2.5rem !important;
  }
  .hero__name {
    font-size: clamp(2rem, 8vw, 2.8rem) !important;
  }
  .building-pill {
    font-size: 0.72rem !important;
    padding: 0.4rem 0.8rem !important;
    max-width: 100% !important;
    word-break: break-word !important;
  }
  .hero__actions {
    width: 100% !important;
    flex-direction: column !important;
    gap: 0.65rem !important;
  }

  /* Flagship Cards Mobile Ergonomics */
  .flagship-showcase {
    padding: 1.5rem 1.15rem !important;
    gap: 1.25rem !important;
    border-radius: 14px !important;
  }
  .flagship-showcase__title {
    font-size: 1.4rem !important;
  }

  /* Mobile Drawer Menu Ergonomics */
  .nav__mobile {
    background: rgba(10, 15, 30, 0.97) !important;
    backdrop-filter: blur(16px) !important;
    padding: 1.5rem 1.25rem !important;
  }
  .nav__mobile .nav__link {
    padding: 0.75rem 0 !important;
    font-size: 1.05rem !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
  }
}

@media (max-width: 800px) {
  /* Issue 3: Contact Cards Mobile Layout */
  .contact-layout {
    grid-template-columns: 1fr !important;
    width: 100% !important;
    gap: 2rem !important;
  }
  .contact-info, .form-card {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 1.25rem !important;
    position: static !important;
  }
  .contact-item {
    padding: 0.9rem 1rem !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    flex-wrap: wrap !important;
  }
  .contact-item > div {
    min-width: 0 !important;
    flex: 1 !important;
    max-width: 100% !important;
  }
}

@media (max-width: 600px) {
  /* Quick Stats 2x2 Clean Grid on Phones */
  .hero__stats {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.75rem !important;
    width: 100% !important;
    justify-items: center !important;
    align-items: stretch !important;
  }
  .hero__stats > div,
  .hero__stat-ieee {
    width: 100% !important;
    box-sizing: border-box !important;
    text-align: center !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0.6rem 0.5rem !important;
    border-radius: var(--radius-md, 10px) !important;
  }
  .hero__stat-n--ieee {
    justify-content: center !important;
    font-size: 1.45rem !important;
  }
  .hero__stat-l--ieee {
    justify-content: center !important;
    flex-wrap: wrap !important;
    font-size: 0.72rem !important;
  }

  /* Certifications Cards Mobile Layout */
  .nestgen-master-card {
    padding: 1.35rem 1.1rem !important;
  }
  .nestgen-mc__title {
    font-size: 1.15rem !important;
  }
  .nestgen-mc__cta {
    width: 100% !important;
    justify-content: center !important;
  }
  .cert-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }
}


/* ══════════════════════════════════════════════
   MOBILE UI PERFECTION & TOUCH ERGONOMICS ENGINE
   ══════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Prevent any element horizontal overflow */
  html, body {
    overflow-x: hidden !important;
    max-width: 100vw !important;
  }
  
  /* Touch target sizes for optimal mobile usability */
  .btn, .nav__link, .nav__cta, .honors-cta-btn, .nestgen-mc__cta, .lk-chat__quick-chip {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }

  /* Smooth mobile navigation drawer */
  .nav__mobile {
    backdrop-filter: blur(16px) !important;
    background: rgba(10, 15, 30, 0.95) !important;
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px)) !important;
  }

  /* Responsive tables with smooth touch scrolling */
  table, .marks-table {
    display: block !important;
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  /* Floating back-to-top button positioning above fixed mobile action bar */
  .back-to-top, #backToTop {
    bottom: 5.5rem !important;
    right: 1.25rem !important;
    z-index: 99 !important;
  }
}

@media (max-width: 480px) {
  /* Hero Avatar responsive scaling for small phone viewports */
  .hero__avatar-wrap {
    max-width: 250px !important;
    margin: 1.25rem auto !important;
  }
  .hero__avatar-wrap::before {
    width: 280px !important;
    height: 320px !important;
  }
  .hero__avatar-wrap::after {
    width: 270px !important;
    height: 330px !important;
  }
  .hero__avatar-img {
    width: 240px !important;
    height: 310px !important;
    border-radius: 22px !important;
  }
  .hero__avatar-badge {
    left: 50% !important;
    transform: translateX(-50%) !important;
    bottom: -0.8rem !important;
    font-size: 0.72rem !important;
    padding: 0.5rem 0.85rem !important;
  }
  .hero__avatar-tech {
    right: 0.25rem !important;
    top: 0.5rem !important;
    font-size: 0.68rem !important;
  }
}