/* ==========================================
   SHREYAS TIWARY PORTFOLIO
   Faithfully recreated from nirban-chakraborty.netlify.app
   ========================================== */

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

:root {
  --bg: #04071D;
  --card-bg: rgb(4, 7, 29);
  --card-bg-2: rgb(12, 14, 35);
  --purple: #CBACF9;
  --purple-dim: rgba(203, 172, 249, 0.12);
  --border: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: #C1C2D3;
  --text-muted: #7b7b8e;
  --slate-950: #020617;
  --slate-900: #0f172a;
}

html { scroll-behavior: smooth; scroll-padding-top: 100px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2a2a4a; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--purple); }

/* ---- Typography utils ---- */
.text-purple { color: var(--purple); }

/* ==========================================
   FLOATING NAVBAR (exact pill style)
   ========================================== */
#floatingNav {
  position: fixed;
  top: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(-130px);
  z-index: 5000;
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(4, 7, 29, 0.95);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 9999px;
  padding: 16px 40px;
  gap: 16px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0px 2px 3px -1px rgba(0,0,0,0.1), 0px 1px 0px 0px rgba(25,28,33,0.02), 0px 0px 0px 1px rgba(25,28,33,0.08);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

#floatingNav.visible {
  transform: translateX(-50%) translateY(0);
}

#floatingNav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  cursor: pointer;
  transition: color 0.2s;
  white-space: nowrap;
}

#floatingNav a:hover { color: var(--purple); }

/* ==========================================
   MAIN WRAPPER
   ========================================== */
.main-wrapper {
  position: relative;
  background: var(--bg);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  margin: 0 auto;
  padding: 0 20px;
  overflow: clip;
}

@media (min-width: 640px) { .main-wrapper { padding: 0 40px; } }

.max-content {
  max-width: 1280px;
  width: 100%;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
  position: relative;
  padding: 144px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

/* Spotlight SVGs */
.spotlight {
  pointer-events: none;
  position: absolute;
  z-index: 1;
  opacity: 0;
  animation: spotlight-in 2s 0.5s ease forwards;
}

.spotlight-white {
  width: 138%;
  top: -160px;
  left: -40px;
  height: 100vh;
}

@media (min-width: 1024px) {
  .spotlight-white { width: 84%; left: -128px; top: -80px; }
}

.spotlight-purple {
  width: 50vw;
  height: 80vh;
  top: 40px;
  left: 100%;
}

@media (min-width: 1024px) { .spotlight-purple { width: 84%; } }

.spotlight-blue {
  width: 50vw;
  height: 80vh;
  top: 112px;
  left: 320px;
}

@media (min-width: 1024px) { .spotlight-blue { width: 84%; } }

@keyframes spotlight-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Grid background */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  top: 0; left: 0;
  width: 100%;
  height: 100vh;
  pointer-events: none;
}

.hero-grid-mask {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 20%, var(--bg));
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.hero-subtitle {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(203, 172, 249, 0.8);
  margin-bottom: 16px;
  font-weight: 500;
}

.hero-heading {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.word-reveal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 12px;
  line-height: 1.3;
}

.word-reveal span {
  display: inline-block;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.word-reveal span.revealed {
  opacity: 1;
  transform: translateY(0);
}

.hero-desc {
  font-size: clamp(0.95rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 32px;
  text-align: center;
  letter-spacing: 0.01em;
}

/* ==========================================
   CONIC GRADIENT BUTTON (exact from ref)
   ========================================== */
.conic-btn {
  position: relative;
  display: inline-flex;
  height: 48px;
  overflow: hidden;
  border-radius: 8px;
  padding: 1px;
  border: none;
  cursor: pointer;
  background: transparent;
  min-width: 160px;
}

.conic-spin {
  position: absolute;
  inset: -1000%;
  animation: spin-conic 2s linear infinite;
  background: conic-gradient(from 90deg at 50% 50%, #E2CBFF 0%, #393BB2 50%, #E2CBFF 100%);
}

@keyframes spin-conic {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.conic-inner {
  position: relative;
  display: inline-flex;
  height: 100%;
  width: 100%;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  background: var(--slate-950);
  padding: 0 28px;
  font-size: 0.875rem;
  font-weight: 500;
  color: white;
  gap: 12px;
  backdrop-filter: blur(40px);
  white-space: nowrap;
}

.conic-inner-dark {
  background: #161a31;
}

/* ==========================================
   BENTO GRID (About)
   ========================================== */
.section-about {
  padding: 80px 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .bento-grid { grid-template-columns: repeat(6, 1fr); }
}

@media (min-width: 1024px) {
  .bento-grid { grid-template-columns: repeat(5, 1fr); }
}

.bento-item {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  background: linear-gradient(90deg, rgba(4,7,29,1) 0%, rgba(12,14,35,1) 100%);
  transition: box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.bento-item:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

/* Span classes */
@media (min-width: 768px) {
  .bento-span-3 { grid-column: span 6; }
  .bento-span-2 { grid-column: span 3; }
  .bento-span-3md { grid-column: span 3; }
}

@media (min-width: 1024px) {
  .bento-span-3 { grid-column: span 3; }
  .bento-span-2 { grid-column: span 2; }
  .bento-span-3md { grid-column: span 3; }
}

/* Row span heights */
.bento-row-4 { min-height: 60vh; }
.bento-row-2 { min-height: 260px; }
.bento-row-1 { min-height: 180px; }

/* Background decorations */
.bento-bg-img {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.bento-bg-img svg, .bento-bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Content */
.bento-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  padding: 20px;
  height: 100%;
  transition: transform 0.2s;
}

@media (min-width: 1024px) { .bento-content { padding: 40px; } }

.bento-item:hover .bento-content { transform: translateX(8px); }

.justify-end { justify-content: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }

.bento-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 400;
}

@media (min-width: 768px) { .bento-desc { font-size: 0.75rem; max-width: 128px; } }
@media (min-width: 1024px) { .bento-desc { font-size: 0.875rem; max-width: none; } }

.bento-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  max-width: 384px;
  line-height: 1.3;
  margin-bottom: 12px;
}

@media (min-width: 1024px) { .bento-title { font-size: 1.875rem; } }

.bento-sub {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

/* Contact pills */
.contact-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  padding: 5px 12px;
  border-radius: 9999px;
  transition: all 0.2s;
  cursor: pointer;
}

.pill:hover {
  border-color: var(--purple);
  color: var(--purple);
  background: var(--purple-dim);
}

.pill-sm { font-size: 0.72rem; padding: 4px 10px; }

/* Awards */
.awards-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.award-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.award-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }

.award-row strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.award-row small { font-size: 0.72rem; color: var(--text-secondary); }

/* Stack float */
.stack-float {
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 8px;
}

@media (min-width: 1024px) { .stack-float { right: -8px; gap: 12px; } }

.stack-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (min-width: 1024px) { .stack-col { gap: 4px; } }

.stack-pill {
  display: block;
  padding: 8px 12px;
  font-size: 0.75rem;
  background: #10132E;
  border-radius: 8px;
  text-align: center;
  color: var(--text-primary);
  white-space: nowrap;
}

@media (min-width: 1024px) {
  .stack-pill { padding: 16px 20px; font-size: 1rem; }
}

.stack-pill.empty { background: #10132E; opacity: 0.3; }

/* Live links */
.live-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

/* Currently building blob */
.building-blob {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse at bottom right, rgba(124, 58, 237, 0.3), transparent 70%);
  pointer-events: none;
}

/* Gradient bento */
.bento-gradient-bg {
  background: linear-gradient(40deg, #0a0a2e, #1a0533, #0d1a2e, #1a0a2e) !important;
}

/* Copy toast */
.copy-toast {
  position: absolute;
  top: -36px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--purple);
  color: #0a0a0a;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.copy-toast.show { opacity: 1; }

/* ==========================================
   SECTION HEADINGS
   ========================================== */
.section-heading {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
  margin-bottom: 60px;
  letter-spacing: -0.01em;
}

.lg-width { max-width: 45vw; margin-left: auto; margin-right: auto; }

/* ==========================================
   PROJECTS — 3D Pin Cards
   ========================================== */
.section-projects {
  padding: 40px 0;
}

.pin-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding: 16px;
  gap: 32px 96px;
  margin-top: 40px;
}

.pin-wrap {
  height: 32rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90vw;
}

@media (min-width: 640px) {
  .pin-wrap { height: 41rem; width: 570px; }
}

@media (min-width: 1024px) {
  .pin-wrap { min-height: 32.5rem; }
}

.pin-card {
  position: relative;
  cursor: pointer;
  z-index: 50;
}

/* 3D perspective base (exact from ref) */
.pin-3d {
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: 1.5px;
  margin-top: 16px;
  transform: translateX(-50%) translateY(-50%);
  perspective: 1000px;
  transform: rotateX(70deg) translateZ(0deg);
}

.pin-box {
  transform: translate(-50%,-50%) rotateX(0deg);
  position: absolute;
  left: 50%;
  top: 50%;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  border-radius: 16px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.4);
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: border-color 0.7s;
  overflow: hidden;
  width: 80vw;
}

@media (min-width: 640px) {
  .pin-box { width: 570px; }
}

.pin-card.group:hover .pin-box {
  border-color: rgba(255,255,255,0.2);
}

.pin-image-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 40px;
  height: 30vh;
  width: 100%;
  border-radius: 12px;
}

@media (min-width: 640px) { .pin-image-wrap { height: 40vh; } }

.pin-image-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.pin-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  margin-bottom: 6px;
}

@media (min-width: 1024px) { .pin-title { font-size: 1.5rem; } }
@media (min-width: 768px) { .pin-title { font-size: 1.25rem; } }

.pin-desc {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-bottom: 12px;
}

@media (min-width: 1024px) { .pin-desc { font-size: 1.25rem; } }

.pin-links {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 28px;
  margin-bottom: 12px;
  gap: 8px;
}

.pin-links .text-purple { font-size: 0.875rem; cursor: pointer; }
@media (min-width: 1024px) { .pin-links .text-purple { font-size: 1.25rem; } }
@media (min-width: 768px) { .pin-links .text-purple { font-size: 0.75rem; } }

.pin-arrow { color: #CBACF9; }

/* Hover overlay */
.pin-hover-area {
  pointer-events: none;
  width: 100%;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  z-index: 60;
  transition: opacity 0.5s;
  position: relative;
}

.pin-card.group:hover .pin-hover-area { opacity: 1; }

.pin-url-badge {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
}

.pin-url-badge a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10;
  border-radius: 9999px;
  background: #09090b;
  padding: 2px 16px;
  border: 1px solid rgba(255,255,255,0.1);
}

.pin-url-text {
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  display: inline-block;
  padding: 2px 0;
}

.pin-url-line {
  position: absolute;
  bottom: 0;
  left: 18px;
  right: 18px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(52, 211, 153, 0.9), transparent);
  opacity: 0;
  transition: opacity 0.5s;
}

.pin-url-badge a:hover .pin-url-line { opacity: 0.4; }

/* Glow lines base */
.pin-glow-base {
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: 1.5px;
  margin-top: 16px;
  transform: perspective(1000px) rotateX(70deg) translateZ(0);
}

.pin-line {
  position: absolute;
  right: 50%;
  bottom: 50%;
  background: linear-gradient(to bottom, transparent, #06b6d4);
  transform: translateY(14px);
  width: 1px;
  height: 80px;
  transition: height 0.5s;
}

.pin-card.group:hover .pin-line { height: 160px; }

.pin-line-blur { filter: blur(2px); }

.pin-dot {
  position: absolute;
  right: 50%;
  bottom: 50%;
  transform: translateY(14px);
  border-radius: 9999px;
  z-index: 40;
}

.pin-dot-blur {
  width: 4px;
  height: 4px;
  background: #0891b2;
  filter: blur(3px);
  transform: translateX(1.5px) translateY(14px);
}

.pin-dot-small {
  width: 2px;
  height: 2px;
  background: #67e8f9;
  transform: translateX(0.5px) translateY(14px);
}

/* ==========================================
   MORE PROJECTS GRID
   ========================================== */
.more-projects { padding: 40px 0; }

.more-heading {
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 32px;
  color: var(--text-primary);
}

.more-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto 48px;
}

@media (min-width: 640px) { .more-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .more-grid { grid-template-columns: repeat(3, 1fr); } }

.more-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: linear-gradient(90deg, rgba(4,7,29,1) 0%, rgba(12,14,35,1) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.2s;
  cursor: pointer;
}

.more-card:hover {
  border-color: rgba(203,172,249,0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.more-emoji { font-size: 1.5rem; flex-shrink: 0; }

.more-card strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.more-card p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.more-card i {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 4px;
}

/* GitHub section */
.github-section { max-width: 900px; margin: 0 auto; }

.github-card {
  background: linear-gradient(90deg, rgba(4,7,29,1) 0%, rgba(12,14,35,1) 100%);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
}

.github-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 16px;
}

.github-stat-img {
  height: 100px;
  width: auto;
  object-fit: contain;
}

.github-chart {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  filter: opacity(0.85);
}

.github-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--purple);
  border: 1px solid rgba(203,172,249,0.3);
  padding: 8px 20px;
  border-radius: 9999px;
  transition: all 0.2s;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  max-width: 220px;
}

.github-link-btn:hover {
  background: var(--purple-dim);
  border-color: var(--purple);
}

/* ==========================================
   EXPERIENCE — Moving Border Cards
   ========================================== */
.section-experience { padding: 80px 0; }

.exp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

@media (min-width: 1024px) { .exp-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; } }

/* Moving border wrapper */
.exp-moving-border {
  position: relative;
  border-radius: 32px;
  padding: 1px;
  background: transparent;
  overflow: hidden;
}

.moving-border-svg {
  position: absolute;
  inset: 0;
  border-radius: 32px;
  overflow: hidden;
}

.moving-svg {
  position: absolute;
  width: 100%;
  height: 100%;
}

.moving-glow {
  position: absolute;
  width: 80px;
  height: 80px;
  background: radial-gradient(#38bdf8 40%, transparent 60%);
  opacity: 0.8;
  animation: move-glow 8s linear infinite;
  top: 0;
  left: 0;
  transform-origin: center;
}

@keyframes move-glow {
  0% { transform: translate(0%, 0%) translateX(-50%) translateY(-50%); }
  25% { transform: translate(100%, 0%) translateX(-50%) translateY(-50%); }
  50% { transform: translate(100%, 100%) translateX(-50%) translateY(-50%); }
  75% { transform: translate(0%, 100%) translateX(-50%) translateY(-50%); }
  100% { transform: translate(0%, 0%) translateX(-50%) translateY(-50%); }
}

.exp-card-inner {
  position: relative;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 31px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 24px 20px;
}

@media (min-width: 768px) { .exp-card-inner { flex-direction: row; align-items: flex-start; padding: 20px 40px; } }
@media (min-width: 1024px) { .exp-card-inner { flex-direction: row; padding: 40px; } }

.exp-icon-wrap {
  flex-shrink: 0;
  margin-bottom: 8px;
}

.exp-emoji {
  font-size: 3rem;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  border: 1px solid var(--border);
}

@media (min-width: 768px) { .exp-icon-wrap { margin-bottom: 0; margin-right: 0; } }

.exp-text { flex: 1; }

.exp-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.exp-company {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.exp-company a { color: var(--purple); transition: opacity 0.2s; }
.exp-company a:hover { opacity: 0.8; }

.exp-badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  padding: 3px 10px;
  border-radius: 9999px;
  white-space: nowrap;
}

.exp-badge-green { color: #4ade80; border-color: rgba(74, 222, 128, 0.3); background: rgba(74,222,128,0.06); }

.exp-role {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.exp-period {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: monospace;
  margin-bottom: 12px;
}

.exp-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
  font-weight: 600;
}

.exp-bullets { margin-bottom: 12px; }

.exp-bullets li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 3px 0 3px 16px;
  position: relative;
  line-height: 1.5;
}

.exp-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--purple);
  font-size: 0.78rem;
}

.exp-tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.exp-tech-pills span {
  font-size: 0.7rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 3px 10px;
  border-radius: 9999px;
}

/* Leadership row */
.leadership-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

@media (min-width: 640px) { .leadership-row { grid-template-columns: repeat(3, 1fr); } }

.leadership-card-sm {
  background: linear-gradient(90deg, rgba(4,7,29,1) 0%, rgba(12,14,35,1) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  transition: all 0.2s;
}

.leadership-card-sm:hover {
  border-color: rgba(203,172,249,0.2);
  transform: translateY(-2px);
}

.leadership-emoji { font-size: 1.8rem; display: block; margin-bottom: 10px; }

.leadership-card-sm h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.leadership-card-sm p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; }

/* ==========================================
   RESEARCH / PATENT
   ========================================== */
.section-research { padding: 80px 0; }

.patent-wrapper { max-width: 960px; margin: 0 auto 80px; }

.patent-card {
  position: relative;
  background: linear-gradient(90deg, rgba(4,7,29,1) 0%, rgba(12,14,35,1) 100%);
  border: 1px solid rgba(203,172,249,0.2);
  border-radius: 24px;
  padding: 40px;
  overflow: hidden;
}

.patent-top-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--purple), #393BB2, var(--purple));
}

.patent-badge-row { margin-bottom: 20px; }

.patent-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--purple);
  background: var(--purple-dim);
  border: 1px solid rgba(203,172,249,0.2);
  padding: 5px 14px;
  border-radius: 9999px;
  font-family: monospace;
}

.patent-title {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.patent-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 780px;
}

.patent-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

@media (min-width: 640px) { .patent-highlights { grid-template-columns: repeat(2, 1fr); } }

.ph-card {
  background: rgba(203,172,249,0.05);
  border: 1px solid rgba(203,172,249,0.12);
  border-radius: 16px;
  padding: 18px;
}

.ph-emoji { font-size: 1.5rem; margin-bottom: 8px; }

.ph-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.ph-card p { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }

.patent-tech-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.patent-tech-row span {
  font-size: 0.78rem;
  color: var(--purple);
  background: var(--purple-dim);
  border: 1px solid rgba(203,172,249,0.2);
  padding: 4px 12px;
  border-radius: 9999px;
}

/* Media section */
.media-section { max-width: 960px; margin: 0 auto; }

.media-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) { .media-grid { grid-template-columns: repeat(3, 1fr); } }

.media-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: linear-gradient(90deg, rgba(4,7,29,1) 0%, rgba(12,14,35,1) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.2s;
  cursor: pointer;
}

.media-card:hover {
  border-color: rgba(203,172,249,0.3);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.media-outlet {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--purple);
  font-family: monospace;
}

.media-card h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  flex: 1;
}

.media-read {
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
  transition: color 0.2s;
}

.media-card:hover .media-read { color: var(--purple); }

/* ==========================================
   APPROACH — Canvas Cards
   ========================================== */
.section-approach { padding: 80px 0; }

.approach-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: center;
  margin-top: 80px;
}

@media (min-width: 1024px) { .approach-grid { flex-direction: row; } }

.canvas-card {
  position: relative;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 380px;
  width: 100%;
  padding: 16px;
  height: 400px;
  cursor: pointer;
  overflow: hidden;
}

@media (min-width: 1024px) { .canvas-card { height: 560px; } }

/* Corner + icons */
.canvas-corner {
  position: absolute;
  font-size: 24px;
  font-weight: 300;
  color: white;
  line-height: 1;
}

.canvas-tl { top: -12px; left: -12px; }
.canvas-tr { top: -12px; right: -12px; }
.canvas-bl { bottom: -12px; left: -12px; }
.canvas-br { bottom: -12px; right: -12px; }

/* Idle state: phase button centered */
.canvas-idle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  transition: opacity 0.2s, transform 0.2s;
}

.canvas-card.group:hover .canvas-idle {
  opacity: 0;
  transform: translate(-50%, calc(-50% - 16px));
}

/* Phase button (conic, rounded full) */
.phase-btn {
  position: relative;
  display: inline-flex;
  height: 48px;
  overflow: hidden;
  border-radius: 9999px;
  padding: 1px;
  border: none;
  cursor: pointer;
  background: transparent;
}

.phase-inner {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  border-radius: 9999px;
  background: var(--slate-950);
  padding: 0 20px;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  backdrop-filter: blur(40px);
}

/* Revealed state: heading + desc */
.canvas-revealed {
  position: relative;
  z-index: 10;
  text-align: center;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  padding: 0 20px;
  pointer-events: none;
}

.canvas-card.group:hover .canvas-revealed {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.canvas-revealed h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
}

.canvas-revealed p {
  font-size: 0.875rem;
  font-weight: 600;
  color: #e4ecff;
  line-height: 1.6;
}

/* ==========================================
   CONTACT / FOOTER
   ========================================== */
.section-contact {
  padding: 80px 0 40px;
}

.contact-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 64px;
}

.contact-sub {
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .contact-sub { margin-top: 40px; }
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--border);
  padding-top: 40px;
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; }
}

.footer-bottom p {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--text-secondary);
}

.footer-links { display: flex; align-items: center; gap: 12px; }

.footer-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(16px);
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
}

.footer-icon:hover {
  color: var(--purple);
  border-color: rgba(203,172,249,0.4);
  background: var(--purple-dim);
}

/* ==========================================
   RESPONSIVE FIXES
   ========================================== */
@media (max-width: 640px) {
  #floatingNav { padding: 12px 20px; gap: 10px; }
  #floatingNav a { font-size: 0.75rem; }

  .bento-row-4 { min-height: 50vh; }
  .bento-content { padding: 20px; }

  .section-heading { font-size: 1.5rem; }
  .lg-width { max-width: 90%; }

  .patent-card { padding: 20px; }
  .contact-inner { padding: 0 12px; }
  .canvas-card { height: 320px; }
  .canvas-revealed h3 { font-size: 1.3rem; }
}