/* ============================================================
   KRITISH YADAV — PORTFOLIO
   Theme: Dark · Amber Glow · Glassmorphism · Syne + DM Sans
   ============================================================
   TABLE OF CONTENTS
   1. Variables
   2. Reset
   3. Utilities (background fx, cursor, layout, section labels, reveal anims)
   4. Navbar
   5. Hero
   6. About
   7. Experience (reuses Projects timeline/card classes below)
   8. Projects
   9. Research / Publications
   10. Skills
   11. Education
   12. Certifications
   13. Contact
   14. Footer
   15. Responsive
   ============================================================ */

/* ============================================================
   1. VARIABLES
   ============================================================ */
:root {
  --bg:          #05070e;
  --bg-2:        #090c17;
  --bg-card:     rgba(255,255,255,0.03);
  --bg-card-h:   rgba(255,255,255,0.06);
  --glass:       rgba(9,12,23,0.85);
  --border:      rgba(255,255,255,0.07);
  --border-h:    rgba(251,191,36,0.35);
  --accent:      #fbbf24;
  --accent-2:    #f59e0b;
  --accent-dim:  rgba(251,191,36,0.08);
  --accent-glow: rgba(251,191,36,0.18);
  --green:       #34d399;
  --blue:        #60a5fa;
  --purple:      #a78bfa;
  --red:         #f87171;
  --text:        #eef2ff;
  --text-2:      #8892a4;
  --text-3:      #4a5568;
  --font-d: 'Syne', sans-serif;
  --font-b: 'DM Sans', sans-serif;
  --font-m: 'JetBrains Mono', monospace;
  --r:    10px;
  --r-l:  18px;
  --r-xl: 28px;
  --t:    0.3s cubic-bezier(0.4,0,0.2,1);
  --shadow: 0 4px 40px rgba(0,0,0,0.6);
}
/* ============================================================
   2. RESET
   ============================================================ */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration:none; color:inherit; }
img { max-width:100%; display:block; }
button { border:none; background:none; cursor:pointer; font:inherit; }
ul { list-style:none; }
::-webkit-scrollbar { width:4px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--accent); border-radius:2px; }
::selection { background:var(--accent); color:var(--bg); }

/* ============================================================
   3. UTILITIES — background fx, cursor, layout, labels, reveal anims
   ============================================================ */
/* Noise overlay + ambient background layers */
#noise {
  position:fixed; inset:0; z-index:9000;
  pointer-events:none; opacity:0.025;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:200px;
}
.bg-grid {
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:radial-gradient(circle, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:36px 36px;
}
.bg-gradient {
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(251,191,36,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(96,165,250,0.04) 0%, transparent 50%);
}

/* CURSOR */
#cursor {
  position:fixed; width:10px; height:10px;
  background:var(--accent); border-radius:50%;
  pointer-events:none; z-index:9999;
  transform:translate(-50%,-50%);
  mix-blend-mode:difference;
}
#cursor-ring {
  position:fixed; width:36px; height:36px;
  border:1.5px solid rgba(251,191,36,0.5); border-radius:50%;
  pointer-events:none; z-index:9998;
  transform:translate(-50%,-50%);
  transition:all 0.12s ease;
}
@media (max-width:768px) { #cursor, #cursor-ring { display:none; } }

/* LAYOUT */
.container { max-width:1100px; margin:0 auto; padding:0 28px; position:relative; z-index:1; }
section { padding:100px 0; }

/* NAVBAR */
.navbar {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 48px; transition:var(--t);
}
.navbar.scrolled {
  background:rgba(5,7,14,0.92);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid var(--border);
  padding:14px 48px;
}
.nav-logo {
  font-family:var(--font-d); font-weight:800; font-size:1.35rem;
  color:var(--accent); letter-spacing:0.04em; cursor:pointer;
}
.nav-logo span { opacity:0.45; }
.nav-links { display:flex; align-items:center; gap:4px; }
.nav-link {
  font-family:var(--font-d); font-size:0.82rem; font-weight:600;
  letter-spacing:0.06em; text-transform:uppercase;
  color:var(--text-2); padding:8px 14px; border-radius:8px;
  transition:var(--t); cursor:pointer; background:none; border:none;
}
.nav-link:hover, .nav-link.active { color:var(--text); background:rgba(255,255,255,0.05); }
.nav-link.active { color:var(--accent); }
.nav-cta {
  font-family:var(--font-d); font-size:0.82rem; font-weight:700;
  letter-spacing:0.04em; color:var(--bg); background:var(--accent);
  padding:9px 22px; border-radius:8px; margin-left:8px;
  transition:var(--t); border:none; cursor:pointer;
}
.nav-cta:hover { background:var(--accent-2); transform:translateY(-1px); box-shadow:0 4px 16px rgba(251,191,36,0.3); }
.hamburger { display:none; flex-direction:column; gap:5px; padding:4px; cursor:pointer; }
.hamburger span { display:block; width:22px; height:2px; background:var(--text); border-radius:2px; transition:var(--t); }
.hamburger.open span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }
.mobile-menu {
  position:fixed; inset:0; z-index:999;
  background:rgba(5,7,14,0.97); backdrop-filter:blur(24px);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:36px;
  opacity:0; pointer-events:none; transition:var(--t);
}
.mobile-menu.open { opacity:1; pointer-events:all; }
.mobile-menu .mob-nav-link {
  font-family:var(--font-d); font-size:1.8rem; font-weight:800;
  color:var(--text); transition:var(--t); background:none; border:none; cursor:pointer;
}
.mobile-menu .mob-nav-link:hover { color:var(--accent); }

/* SECTION LABELS */
.section-label {
  font-family:var(--font-m); font-size:0.75rem;
  color:var(--accent); letter-spacing:0.15em; margin-bottom:14px;
}
.section-title {
  font-family:var(--font-d); font-size:clamp(2rem,3.5vw,2.8rem);
  font-weight:800; line-height:1.15; letter-spacing:-0.02em;
  color:var(--text); margin-bottom:16px;
}
.section-title .acc { color:var(--accent); }
.section-sub { color:var(--text-2); font-size:1.05rem; line-height:1.7; max-width:580px; }

/* REVEAL ANIMATIONS */
.reveal {
  opacity:0; transform:translateY(32px);
  transition:opacity 0.7s ease, transform 0.7s ease;
  transition-delay:var(--delay,0s);
}
.reveal.right { transform:translateX(32px); }
.reveal.visible { opacity:1; transform:none; }

.skip-link {
  position:absolute; top:-48px; left:12px; z-index:10000;
  background:var(--accent); color:var(--bg); font-family:var(--font-d); font-weight:700;
  font-size:0.85rem; padding:10px 18px; border-radius:8px; transition:top 0.2s ease;
}
.skip-link:focus { top:12px; }

/* ============================================================
   4. NAVBAR (see also .navbar rules above under Utilities/Layout)
   ============================================================ */

/* ============================================================
   5. HERO
   ============================================================ */
.hero {
  min-height:100vh; display:flex; align-items:center; justify-content:space-between;
  gap:60px; padding:130px 8% 80px; position:relative;
}
.hero-content { flex:1; min-width:280px; max-width:580px; }
.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 14px; border:1px solid rgba(251,191,36,0.3);
  border-radius:100px; font-size:0.78rem; color:var(--accent);
  font-family:var(--font-m); background:rgba(251,191,36,0.05);
  margin-bottom:28px;
}
.pulsedot {
  width:7px; height:7px; background:var(--accent); border-radius:50%;
  animation:pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { box-shadow:0 0 0 0 rgba(251,191,36,0.4); }
  50%      { box-shadow:0 0 0 6px rgba(251,191,36,0); }
}
.hero-name {
  font-family:var(--font-d); font-size:clamp(3.2rem,6.5vw,5.5rem);
  font-weight:800; line-height:1.02; letter-spacing:-0.04em;
  margin-bottom:18px;
}
.name-1 { display:block; color:var(--text); }
.name-2 { display:block; color:var(--accent); }
.hero-role {
  font-family:var(--font-d); font-size:clamp(1rem,2vw,1.25rem);
  font-weight:600; color:var(--text-2); letter-spacing:0.04em;
  margin-bottom:18px;
}
.hero-desc { color:var(--text-2); font-size:1rem; line-height:1.75; margin-bottom:36px; max-width:480px; }
.hero-actions { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px; }
.btn-primary {
  font-family:var(--font-d); font-weight:700; font-size:0.9rem;
  background:var(--accent); color:var(--bg); padding:13px 28px;
  border-radius:10px; border:none; cursor:pointer;
  transition:var(--t); letter-spacing:0.02em;
}
.btn-primary:hover { background:var(--accent-2); transform:translateY(-2px); box-shadow:0 6px 24px rgba(251,191,36,0.35); }
.btn-ghost {
  font-family:var(--font-d); font-weight:700; font-size:0.9rem;
  background:transparent; color:var(--text);
  padding:12px 28px; border-radius:10px; cursor:pointer;
  border:1.5px solid var(--border); transition:var(--t);
}
.btn-ghost:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }
.social-row { display:flex; gap:12px; margin-bottom:44px; }
.social-icon {
  width:40px; height:40px; border-radius:10px;
  border:1px solid var(--border); display:flex; align-items:center; justify-content:center;
  color:var(--text-2); transition:var(--t);
}
.social-icon:hover { border-color:var(--accent); color:var(--accent); background:var(--accent-dim); transform:translateY(-2px); }
.social-icon svg { width:18px; height:18px; }
.hero-stats { display:flex; gap:32px; flex-wrap:wrap; }
.hero-stat { display:flex; flex-direction:column; }
.hero-stat strong { font-family:var(--font-d); font-size:1.8rem; font-weight:800; color:var(--accent); line-height:1; }
.hero-stat span { font-size:0.78rem; color:var(--text-3); margin-top:4px; letter-spacing:0.05em; text-transform:uppercase; }

/* CODE CARD */
.hero-visual {
  flex:0 0 420px; position:relative;
}
.code-card {
  background:rgba(10,13,22,0.9);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:18px; overflow:hidden;
  box-shadow:0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(251,191,36,0.08);
  backdrop-filter:blur(12px);
}
.code-header {
  display:flex; align-items:center; gap:6px; padding:14px 20px;
  background:rgba(255,255,255,0.03); border-bottom:1px solid rgba(255,255,255,0.06);
}
.dot { width:12px; height:12px; border-radius:50%; }
.dot.r { background:#ff5f57; }
.dot.y { background:#febc2e; }
.dot.g { background:#28c840; }
.file-name { font-family:var(--font-m); font-size:0.72rem; color:var(--text-3); margin-left:8px; }
.code-body { padding:22px 24px; font-family:var(--font-m); font-size:0.82rem; line-height:1.9; }
.c-line { display:block; }
.c-indent { padding-left:20px; }
.c-indent2 { padding-left:40px; }
.c-const { color:#c084fc; }
.c-var { color:#60a5fa; }
.c-eq { color:var(--text-2); }
.c-brace { color:var(--text-2); }
.c-key { color:#86efac; }
.c-colon { color:var(--text-2); }
.c-str { color:#fcd34d; }
.c-num { color:#fb923c; }
.c-bool { color:#f87171; }
.c-comment { color:var(--text-3); font-style:italic; }
.c-cursor {
  display:inline-block; background:var(--accent); width:8px; height:14px;
  animation:blink 1.2s infinite; vertical-align:text-bottom;
}
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0;} }

/* FLOAT BADGES */
.float-badge {
  position:absolute; display:flex; align-items:center; gap:12px;
  background:rgba(9,12,23,0.92); border:1px solid rgba(255,255,255,0.1);
  border-radius:14px; padding:12px 16px;
  backdrop-filter:blur(12px); box-shadow:0 8px 32px rgba(0,0,0,0.4);
  min-width:200px;
}
.fb-1 { bottom:-24px; left:-32px; animation:float1 4s ease-in-out infinite; }
.fb-2 { top:-20px; right:-24px; animation:float2 4.5s ease-in-out infinite; }
@keyframes float1 { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-8px);} }
@keyframes float2 { 0%,100%{transform:translateY(0);} 50%{transform:translateY(8px);} }
.fb-icon { font-size:1.4rem; }
.float-badge div { display:flex; flex-direction:column; }
.float-badge strong { font-family:var(--font-d); font-size:0.82rem; color:var(--text); }
.float-badge small { font-size:0.72rem; color:var(--text-2); margin-top:2px; }

/* ============================================================
   6. ABOUT
   ============================================================ */
.about-section { background:linear-gradient(180deg, transparent 0%, rgba(251,191,36,0.02) 50%, transparent 100%); }
.about-grid { display:grid; grid-template-columns:1fr 1.4fr; gap:80px; align-items:center; }
.about-img-wrap {
  position:relative; border-radius:20px; overflow:hidden;
  border:1px solid rgba(255,255,255,0.1);
}
.about-img { width:100%; height:420px; object-fit:cover; display:block; }
.about-img-placeholder {
  width:100%; height:420px; background:var(--bg-card);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:16px;
}
.about-img-placeholder svg { width:80px; opacity:0.4; }
.about-img-frame { overflow:hidden; border-radius:20px; }
.about-photo { width:100%; height:100%; object-fit:cover; display:block; border-radius:20px; transition:0.4s ease; }
.corner {
  position:absolute; width:20px; height:20px; border-color:var(--accent); border-style:solid;
  z-index:2;
}
.corner.tl { top:-1px; left:-1px; border-width:2px 0 0 2px; border-radius:4px 0 0 0; }
.corner.tr { top:-1px; right:-1px; border-width:2px 2px 0 0; border-radius:0 4px 0 0; }
.corner.bl { bottom:-1px; left:-1px; border-width:0 0 2px 2px; border-radius:0 0 0 4px; }
.corner.br { bottom:-1px; right:-1px; border-width:0 2px 2px 0; border-radius:0 0 4px 0; }
.about-text { color:var(--text-2); line-height:1.8; margin-bottom:32px; }
.about-text p { margin-bottom:14px; }
.about-text strong { color:var(--text); }
.about-stats { display:flex; gap:0; border:1px solid var(--border); border-radius:14px; overflow:hidden; margin-bottom:28px; }
.stat-item { flex:1; padding:16px 20px; text-align:center; }
.stat-item strong { font-family:var(--font-d); font-size:1.5rem; font-weight:800; color:var(--accent); display:block; }
.stat-item span { font-size:0.75rem; color:var(--text-3); text-transform:uppercase; letter-spacing:0.08em; }
.stat-div { width:1px; background:var(--border); }
.pub-badge {
  display:flex; align-items:flex-start; gap:14px;
  padding:16px; background:rgba(251,191,36,0.06);
  border:1px solid rgba(251,191,36,0.2); border-radius:12px;
}
.pub-badge-icon { font-size:1.4rem; margin-top:2px; }
.pub-badge-text strong { color:var(--accent); font-family:var(--font-d); font-size:0.88rem; }
.pub-badge-text p { color:var(--text-2); font-size:0.82rem; margin-top:4px; }

/* ============================================================
   10. SKILLS
   ============================================================ */
.skills-section {}
.skills-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; margin-top:48px; }
.skill-cat {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--r-l); padding:24px;
  transition:var(--t);
}
.skill-cat:hover { border-color:var(--border-h); background:var(--bg-card-h); transform:translateY(-3px); }
.skill-cat-head { display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.skill-cat-icon { font-size:1.25rem; }
.skill-cat-head h3 { font-family:var(--font-d); font-size:0.88rem; font-weight:700; letter-spacing:0.04em; color:var(--text); }
.skill-tags { display:flex; flex-wrap:wrap; gap:7px; }
.skill-tag {
  font-family:var(--font-m); font-size:0.72rem;
  padding:4px 10px; border-radius:6px;
  background:rgba(255,255,255,0.05); color:var(--text-2);
  border:1px solid rgba(255,255,255,0.08); transition:var(--t);
}
.skill-tag.hi { background:rgba(251,191,36,0.1); color:var(--accent); border-color:rgba(251,191,36,0.25); }
.skill-tag.hi2 { background:rgba(96,165,250,0.1); color:var(--blue); border-color:rgba(96,165,250,0.25); }
.skill-tag.hi3 { background:rgba(167,139,250,0.1); color:var(--purple); border-color:rgba(167,139,250,0.25); }
.skill-tag:hover { transform:translateY(-1px); }

/* ============================================================
   7 & 8. EXPERIENCE + PROJECTS (shared vertical timeline/card system)
   The Experience section (#experience) reuses every class below
   (.project-item, .project-timeline, .project-dot, .project-card,
   .project-top, .project-num, .project-tag, .project-links-row,
   .proj-link, .project-desc, .project-bullets, .project-tech,
   .tech-pill) so both sections share one visual language.
   ============================================================ */
.projects-section {}
.projects-list { margin-top:60px; display:flex; flex-direction:column; gap:0; }
.project-item { display:flex; gap:0; position:relative; }
.project-timeline {
  display:flex; flex-direction:column; align-items:center;
  width:48px; flex-shrink:0; padding-top:8px;
}
.project-dot {
  width:14px; height:14px; border-radius:50%;
  background:var(--accent); border:3px solid var(--bg);
  box-shadow:0 0 0 3px rgba(251,191,36,0.3);
  flex-shrink:0; position:relative; z-index:1;
}
.project-item::before {
  content:'';
  position:absolute; left:20px; top:22px; bottom:0;
  width:2px; background:linear-gradient(to bottom, rgba(251,191,36,0.4), transparent);
}
.project-item:last-child::before { display:none; }
.project-card {
  flex:1; background:var(--bg-card); border:1px solid var(--border);
  border-radius:20px; padding:36px 40px; margin-bottom:40px;
  transition:var(--t); position:relative; overflow:hidden;
}
.project-card::before {
  content:''; position:absolute; inset:0; border-radius:20px;
  background:radial-gradient(circle at var(--mx,50%) var(--my,50%), rgba(251,191,36,0.05) 0%, transparent 60%);
  opacity:0; transition:opacity 0.3s;
}
.project-card:hover::before { opacity:1; }
.project-card:hover { border-color:rgba(251,191,36,0.2); transform:translateX(6px); box-shadow:0 8px 40px rgba(0,0,0,0.4); }
.project-top { display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; flex-wrap:wrap; gap:10px; }
.project-num { font-family:var(--font-m); font-size:0.72rem; color:var(--text-3); }
.project-tag {
  font-family:var(--font-m); font-size:0.7rem; padding:4px 10px;
  border-radius:6px; letter-spacing:0.05em; font-weight:500;
}
.tag-ai { background:rgba(251,191,36,0.1); color:var(--accent); border:1px solid rgba(251,191,36,0.2); }
.tag-fin { background:rgba(52,211,153,0.1); color:var(--green); border:1px solid rgba(52,211,153,0.2); }
.tag-ml { background:rgba(167,139,250,0.1); color:var(--purple); border:1px solid rgba(167,139,250,0.2); }
.tag-tel { background:rgba(96,165,250,0.1); color:var(--blue); border:1px solid rgba(96,165,250,0.2); }
.project-meta { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.project-date { font-family:var(--font-m); font-size:0.72rem; color:var(--text-3); }
.project-links-row { display:flex; gap:8px; }
.proj-link {
  width:34px; height:34px; border-radius:8px;
  border:1px solid var(--border); display:flex; align-items:center; justify-content:center;
  color:var(--text-2); transition:var(--t);
}
.proj-link:hover { border-color:var(--accent); color:var(--accent); }
.proj-link svg { width:15px; height:15px; }
.project-card h3 {
  font-family:var(--font-d); font-size:1.35rem; font-weight:800;
  color:var(--text); margin-bottom:12px; letter-spacing:-0.01em;
}
.project-desc { color:var(--text-2); font-size:0.92rem; line-height:1.7; margin-bottom:20px; }
.project-bullets { margin-bottom:20px; display:flex; flex-direction:column; gap:8px; }
.project-bullets li {
  color:var(--text-2); font-size:0.88rem; line-height:1.6;
  display:flex; gap:10px; align-items:flex-start;
}
.project-bullets li::before { content:'▸'; color:var(--accent); flex-shrink:0; margin-top:1px; }
.project-tech { display:flex; flex-wrap:wrap; gap:7px; }
.tech-pill {
  font-family:var(--font-m); font-size:0.7rem; padding:4px 10px;
  border-radius:6px; background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08); color:var(--text-2);
  transition:var(--t);
}
.tech-pill:hover { border-color:var(--accent); color:var(--accent); }

/* ============================================================
   9. RESEARCH / PUBLICATIONS
   ============================================================ */
.pub-section {}
.pub-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:20px; padding:36px 40px; margin-top:40px;
  transition:var(--t);
}
.pub-card:hover { border-color:rgba(251,191,36,0.25); }
.pub-card-head { display:flex; gap:20px; align-items:flex-start; margin-bottom:24px; }
.pub-icon { font-size:2rem; flex-shrink:0; margin-top:2px; }
.pub-title {
  font-family:var(--font-d); font-size:1.15rem; font-weight:700;
  color:var(--text); line-height:1.4;
}
.pub-venue {
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--font-m); font-size:0.75rem;
  background:rgba(52,211,153,0.1); color:var(--green);
  border:1px solid rgba(52,211,153,0.25); padding:5px 12px; border-radius:6px;
}
.pub-meta { display:flex; flex-wrap:wrap; gap:24px; margin-bottom:20px; }
.pub-meta-item { display:flex; align-items:center; gap:8px; font-size:0.88rem; color:var(--text-2); }
.pub-meta-item strong { color:var(--text); }
.pub-venue-wrap { margin-top:10px; }
.accuracy-bar { display:flex; align-items:center; gap:14px; }
.accuracy-bar-spaced { margin-top:20px; }
.pub-note { color:var(--text-2); font-size:0.88rem; line-height:1.7; margin-top:16px; }
.accuracy-label { font-size:0.8rem; color:var(--text-2); white-space:nowrap; }
.bar-wrap { flex:1; height:6px; background:rgba(255,255,255,0.07); border-radius:3px; overflow:hidden; }
.bar-fill {
  height:100%; width:0; background:linear-gradient(90deg, var(--accent), var(--green));
  border-radius:3px; transition:width 1.5s cubic-bezier(0.4,0,0.2,1);
}
.accuracy-val { font-family:var(--font-d); font-weight:800; color:var(--accent); font-size:1rem; white-space:nowrap; }

/* ============================================================
   11. EDUCATION
   ============================================================ */
.edu-section {}
.edu-list { display:flex; flex-direction:column; gap:16px; margin-top:48px; }
.edu-card {
  display:flex; align-items:center; gap:20px;
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--r-l); padding:24px 28px;
  transition:var(--t);
}
.edu-card:hover { border-color:var(--border-h); transform:translateX(4px); }
.edu-icon { font-size:1.5rem; flex-shrink:0; }
.edu-info { flex:1; }
.edu-degree { font-family:var(--font-d); font-weight:700; color:var(--text); font-size:0.98rem; }
.edu-inst { color:var(--accent); font-size:0.88rem; margin-top:3px; }
.edu-meta { color:var(--text-3); font-size:0.8rem; margin-top:4px; font-family:var(--font-m); }
.edu-score {
  font-family:var(--font-d); font-size:1.4rem; font-weight:800;
  color:var(--text); text-align:right; display:flex; flex-direction:column; align-items:flex-end;
}
.edu-score small { font-size:0.72rem; color:var(--text-3); font-family:var(--font-b); font-weight:400; margin-top:2px; }

/* ============================================================
   12. CERTIFICATIONS
   ============================================================ */
.cert-section {}
.cert-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; margin-top:48px; }
.cert-card {
  display:flex; gap:16px; align-items:flex-start;
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--r-l); padding:24px;
  transition:var(--t);
}
.cert-card:hover { border-color:var(--border-h); transform:translateY(-3px); }
.cert-icon { font-size:1.5rem; flex-shrink:0; margin-top:2px; }
.cert-name { font-family:var(--font-d); font-weight:700; color:var(--text); font-size:0.9rem; line-height:1.4; margin-bottom:6px; }
.cert-provider { color:var(--accent); font-size:0.82rem; margin-bottom:4px; }
.cert-year { color:var(--text-3); font-size:0.78rem; font-family:var(--font-m); margin-bottom:10px; }
.cert-cred {
  display:inline-flex; align-items:center; gap:5px;
  font-size:0.78rem; color:var(--blue); border:1px solid rgba(96,165,250,0.25);
  padding:4px 10px; border-radius:6px; transition:var(--t);
}
.cert-cred:hover { background:rgba(96,165,250,0.1); }

/* ============================================================
   13. CONTACT
   ============================================================ */
.contact-section {}
.contact-grid { display:grid; grid-template-columns:1fr 1.3fr; gap:60px; margin-top:48px; align-items:start; }
.contact-info-block p { color:var(--text-2); line-height:1.75; margin-bottom:30px; }
.contact-detail {
  display:flex; align-items:center; gap:14px; margin-bottom:20px;
}
.contact-detail-icon {
  width:40px; height:40px; border-radius:10px;
  background:var(--accent-dim); border:1px solid rgba(251,191,36,0.2);
  display:flex; align-items:center; justify-content:center;
  color:var(--accent); flex-shrink:0; font-size:1.1rem;
}
.contact-detail-icon svg { width:16px; height:16px; }
.contact-detail-text { display:flex; flex-direction:column; }
.contact-detail-text strong { font-family:var(--font-d); font-size:0.82rem; color:var(--text-2); text-transform:uppercase; letter-spacing:0.05em; }
.contact-detail-text a, .contact-detail-text span { color:var(--text); font-size:0.92rem; margin-top:2px; }
.contact-detail-text a:hover { color:var(--accent); }
.contact-social { display:flex; gap:10px; margin-top:28px; flex-wrap:wrap; }
.c-social {
  display:inline-flex; align-items:center; gap:7px;
  padding:9px 16px; border-radius:10px; border:1px solid var(--border);
  color:var(--text-2); font-size:0.82rem; transition:var(--t);
}
.c-social:hover { border-color:var(--accent); color:var(--accent); background:var(--accent-dim); }
.c-social svg { width:15px; height:15px; }

/* CONTACT FORM */
.contact-form { display:flex; flex-direction:column; gap:16px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { display:flex; flex-direction:column; gap:7px; }
.form-group label {
  font-family:var(--font-d); font-size:0.78rem; font-weight:600;
  color:var(--text-2); letter-spacing:0.05em; text-transform:uppercase;
}
.form-group input, .form-group textarea {
  background:rgba(255,255,255,0.04); border:1px solid var(--border);
  border-radius:10px; padding:12px 16px; color:var(--text);
  font-family:var(--font-b); font-size:0.92rem; transition:var(--t);
  outline:none; resize:none;
}
.form-group textarea { height:120px; }
.form-group input:focus, .form-group textarea:focus {
  border-color:var(--accent); background:rgba(251,191,36,0.04);
}
.form-group input::placeholder, .form-group textarea::placeholder { color:var(--text-3); }
.form-submit {
  display:flex; align-items:center; justify-content:center; gap:8px;
  background:var(--accent); color:var(--bg); border:none; border-radius:10px;
  padding:14px 28px; font-family:var(--font-d); font-weight:700;
  font-size:0.9rem; cursor:pointer; transition:var(--t);
}
.form-submit:hover { background:var(--accent-2); transform:translateY(-2px); box-shadow:0 6px 24px rgba(251,191,36,0.35); }
.form-submit:disabled { opacity:0.7; cursor:not-allowed; transform:none; }
.form-success {
  background:rgba(52,211,153,0.08); border:1px solid rgba(52,211,153,0.3);
  border-radius:14px; padding:28px; text-align:center;
  color:var(--green); font-family:var(--font-d); font-size:1rem; font-weight:600;
}
.form-success-link { color:var(--accent); display:inline-block; margin-top:14px; font-size:0.88rem; font-weight:400; }
.form-status { min-height:1.4em; font-size:0.82rem; text-align:center; }
.form-status.success { color:var(--green); }
.form-status.error { color:var(--red); }
.form-note { font-size:0.75rem; color:var(--text-3); text-align:center; margin-top:8px; }
.form-note-link { color:var(--accent); }

/* Contact "connect directly" callout card */
.connect-card { margin-top:28px; padding:20px; background:rgba(251,191,36,0.06); border:1px solid rgba(251,191,36,0.2); border-radius:14px; }
.connect-card-title { font-family:var(--font-d); font-weight:700; color:var(--accent); font-size:0.88rem; margin-bottom:8px; }
.connect-card-text { color:var(--text-2); font-size:0.85rem; margin-bottom:0; }
.connect-card-link { color:var(--accent); font-weight:600; }

/* ============================================================
   14. FOOTER
   ============================================================ */
footer {
  border-top:1px solid var(--border); padding:28px 0;
}
.footer-inner {
  display:flex; align-items:center; justify-content:space-between;
}
.footer-logo {
  font-family:var(--font-d); font-weight:800; font-size:1.1rem; color:var(--accent);
}
.footer-logo span { opacity:0.45; }
.footer-copy { font-size:0.82rem; color:var(--text-3); }
.back-top {
  width:36px; height:36px; border-radius:8px;
  border:1px solid var(--border); display:flex; align-items:center; justify-content:center;
  color:var(--text-2); transition:var(--t); font-size:1rem; cursor:pointer;
}
.back-top:hover { border-color:var(--accent); color:var(--accent); }

/* ============================================================
   15. RESPONSIVE
   ============================================================ */
@media (max-width:1024px) {
  .hero-visual { flex:0 0 360px; }
}
@media (max-width:860px) {
  .hero { flex-direction:column; padding:110px 6% 60px; gap:60px; }
  .hero-content { max-width:100%; }
  .hero-visual { flex:none; width:100%; max-width:420px; margin:0 auto; }
  .about-grid { grid-template-columns:1fr; gap:40px; }
  .contact-grid { grid-template-columns:1fr; gap:40px; }
  .form-row { grid-template-columns:1fr; }
  .navbar { padding:16px 24px; }
  .navbar.scrolled { padding:12px 24px; }
  .nav-links { display:none; }
  .hamburger { display:flex; }
}
@media (max-width:600px) {
  section { padding:70px 0; }
  .hero-stats { gap:20px; }
  .footer-inner { flex-direction:column; gap:16px; text-align:center; }
}