:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-soft: #0f172a;
  --surface: rgba(15, 23, 42, 0.86);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #8b5cf6;
  --accent-strong: #2dd4bf;
  --border: rgba(148, 163, 184, 0.18);
  --shadow: 0 24px 70px rgba(2, 8, 23, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(139, 92, 246, 0.22), transparent 28%),
    radial-gradient(circle at right center, rgba(45, 212, 191, 0.16), transparent 30%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  letter-spacing: -0.01em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes glowPulse {
  0%, 100% {
    opacity: 0.35;
    transform: scale(1);
  }
  50% {
    opacity: 0.65;
    transform: scale(1.04);
  }
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.5rem;
  backdrop-filter: blur(16px);
  background: rgba(7, 17, 31, 0.82);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(2, 8, 23, 0.22);
}

.logo {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(2, 8, 23, 0.25);
}

.site-nav {
  display: flex;
  gap: 1rem;
}

.site-nav a {
  color: var(--muted);
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.3rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
}

main {
  width: min(1200px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero-board {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
  padding: 1.4rem 0 1rem;
  animation: fadeUp 0.8s ease both;
}

.board-grid {
  animation: fadeUp 1s ease both;
  animation-delay: 0.15s;
}

.hero-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.86), rgba(30, 41, 59, 0.78));
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 1.45rem;
  box-shadow: var(--shadow);
  padding: 1.15rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.hero-card:hover,
.chip:hover,
.timeline-item:hover,
.kpi-card:hover,
.chart-panel:hover,
.insights-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(2, 8, 23, 0.2), 0 0 0 1px rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.22);
}

.hero-card-main {
  grid-row: span 2;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(11, 17, 30, 0.94)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400' viewBox='0 0 400 400'%3E%3Crect width='400' height='400' fill='%23131d33'/%3E%3Ccircle cx='112' cy='120' r='78' fill='%238b5cf6' fill-opacity='0.16'/%3E%3Ccircle cx='290' cy='270' r='90' fill='%232dd4bf' fill-opacity='0.16'/%3E%3Cpath d='M85 290 C140 210, 230 210, 315 290' stroke='%238b5cf6' stroke-width='8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-size: cover;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: auto -20% -35% auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(141, 92, 246, 0.16), transparent 70%);
  pointer-events: none;
  animation: glowPulse 4s ease-in-out infinite;
}

.hero-card-main::after {
  content: "";
  position: absolute;
  inset: 18px 18px auto auto;
  width: 94px;
  height: 94px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.35);
  backdrop-filter: blur(6px);
  animation: floatSlow 3.2s ease-in-out infinite;
}

.hero-card-side {
  min-height: 220px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(45, 212, 191, 0.16));
  transform: rotate(-1deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.insight-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.insight-badges span {
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.6);
}

.mini-line {
  width: 72px;
  height: 6px;
  margin-top: 0.6rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.mini-line.alt-line {
  width: 96px;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
}

.hero-card-side::after,
.hero-card-small::after {
  content: "";
  position: absolute;
  inset: auto auto 16px 16px;
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.6);
}

.hero-card-small {
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3rem;
  transform: rotate(1deg);
}

.hero-card-small.alt {
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.18), rgba(139, 92, 246, 0.15));
}

.hero-card strong {
  font-size: 1.6rem;
  color: var(--accent);
}

.hero-card h3 {
  margin: 0.3rem 0;
}

.hero-card p,
.hero-card span {
  color: var(--muted);
  margin: 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.74rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.hero-card-main h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  margin: 0 0 0.85rem;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.hero-text {
  font-size: 1rem;
  color: var(--muted);
  max-width: 610px;
  margin: 0;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.2rem;
  flex-wrap: wrap;
}

.profile-photo-card {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.2rem;
  padding: 0.7rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  width: fit-content;
  animation: floatSlow 3s ease-in-out infinite;
}

.profile-photo {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
}

.profile-photo-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  box-shadow: 0 8px 22px rgba(2, 8, 23, 0.2);
}

.btn:hover {
  box-shadow: 0 14px 30px rgba(2, 8, 23, 0.24);
  transform: translateY(-2px) scale(1.005);
}

.site-nav a:hover,
.logo:hover {
  transform: translateY(-1px);
  transition: transform 0.2s ease, color 0.2s ease;
}

.small-btn {
  margin-top: 0.8rem;
  padding: 0.65rem 0.95rem;
  width: fit-content;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
}

.btn-secondary {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.1rem;
}

.chip {
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(141, 92, 246, 0.08);
  color: var(--text);
  font-size: 0.9rem;
  border: 1px solid var(--border);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.project-card,
.contact-card,
.about-panel,
.hero-visual {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
}

.hero-visual {
  padding: 1rem;
  display: grid;
  gap: 1rem;
  background: linear-gradient(145deg, rgba(255,255,255,0.95), rgba(255,246,231,0.9));
}

.visual-card {
  background: linear-gradient(135deg, rgba(141, 92, 246, 0.1), rgba(43, 183, 164, 0.08));
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.visual-card-large {
  min-height: 180px;
  justify-content: flex-end;
  background: linear-gradient(135deg, #f7d8ff 0%, #dff8f4 100%);
}

.visual-card strong {
  font-size: 1.3rem;
  color: var(--accent);
}

.visual-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.visual-card p,
.visual-card span {
  margin: 0;
  color: var(--muted);
}

.label {
  display: inline-block;
  width: fit-content;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.7);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 0.9rem 0 3rem;
  align-items: start;
}

.board-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.78));
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 1.35rem;
  padding: 1.05rem;
  box-shadow: var(--shadow);
  min-height: 180px;
  animation: fadeUp 0.9s ease both;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.board-card:hover {
  transform: translateY(-4px) rotate(-0.4deg);
  box-shadow: 0 24px 56px rgba(2, 8, 23, 0.22), 0 0 0 1px rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.24);
}

.board-card:nth-child(2n) {
  transform: rotate(0.7deg);
}

.board-card:nth-child(3n) {
  transform: rotate(-0.5deg);
}

.board-card::before {
  content: "";
  position: absolute;
  inset: auto -20% -30% auto;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(141, 92, 246, 0.18), transparent 70%);
  pointer-events: none;
}

.chart-stack {
  display: grid;
  gap: 0.8rem;
  margin-top: 0.9rem;
}

.chart-panel {
  padding: 0.8rem;
  border-radius: 1rem;
  background: rgba(7, 17, 31, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.chart-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.45rem;
}

.bar-chart {
  width: 100%;
  height: auto;
}

.line-chart {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 0.2rem;
}

.line-path {
  stroke-dasharray: 420;
  stroke-dashoffset: 420;
  animation: drawLine 1.2s ease forwards;
}

@keyframes drawLine {
  to {
    stroke-dashoffset: 0;
  }
}

.pie-chart {
  width: 120px;
  height: 120px;
  display: block;
  margin: 0 auto 0.55rem;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--muted);
  justify-content: center;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.3rem;
}

.dot.purple {
  background: var(--accent);
}

.dot.teal {
  background: var(--accent-strong);
}

.dot.gold {
  background: #f4b942;
}

.board-card-large {
  grid-column: span 2;
  min-height: 260px;
  position: relative;
}

.board-card-large::after {
  content: "";
  position: absolute;
  left: 1.05rem;
  right: 1.05rem;
  bottom: 1.05rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.12), transparent);
}

.board-card-accent {
  background: linear-gradient(135deg, rgba(20, 24, 40, 0.95), rgba(22, 33, 43, 0.92));
}

.board-card-collage {
  background: linear-gradient(135deg, rgba(16, 24, 41, 0.96), rgba(26, 35, 50, 0.92));
  box-shadow: 0 20px 50px rgba(2, 8, 23, 0.22);
}

.board-card-soft {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(17, 24, 39, 0.9));
  border-color: rgba(148, 163, 184, 0.12);
}

.board-card-research {
  background: linear-gradient(135deg, rgba(18, 29, 49, 0.96), rgba(26, 38, 57, 0.92));
  border-color: rgba(139, 92, 246, 0.22);
}

.board-card-featured {
  min-height: 240px;
  position: relative;
  overflow: hidden;
}

.board-card-featured::before {
  content: "";
  position: absolute;
  inset: auto -10% -20% auto;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18), transparent 70%);
  pointer-events: none;
}

.research-badge {
  display: inline-block;
  margin-bottom: 0.7rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.16);
  color: #d8c8ff;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.upload-card {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 0.8rem 0 0.7rem;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: rgba(7, 17, 31, 0.6);
  border: 1px dashed rgba(139, 92, 246, 0.28);
}

.upload-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.16);
  font-size: 1.15rem;
}

.upload-card strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--text);
}

.upload-card p {
  color: var(--muted);
  font-size: 0.92rem;
}

.file-upload {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  margin-bottom: 0.4rem;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.14);
  border: 1px solid rgba(139, 92, 246, 0.24);
  color: #e9ddff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.file-upload:hover {
  transform: translateY(-1px);
  background: rgba(139, 92, 246, 0.2);
}

.file-upload input {
  display: none;
}

.board-card-tilt {
  transform: rotate(0.6deg);
}

.board-card-contact {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.92));
}

.board-card h2,
.board-card h3 {
  margin: 0.2rem 0 0.45rem;
}

.board-card p {
  color: #cbd5e1;
  margin: 0;
}

.card-visual {
  height: 108px;
  border-radius: 0.95rem;
  margin-bottom: 0.85rem;
  border: 1px solid rgba(255,255,255,0.42);
  overflow: hidden;
  position: relative;
  background-size: cover;
  background-position: center;
}

.card-visual::before,
.card-visual::after {
  content: "";
  position: absolute;
  inset: 0;
}

.card-visual-purple {
  background: linear-gradient(135deg, #6f4fe8 0%, #a07cff 100%);
}

.card-visual-purple::before {
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.16) 0 12px, transparent 13px),
    linear-gradient(0deg, rgba(255,255,255,0.2) 0 10px, transparent 11px),
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.9) 0 4px, transparent 5px),
    radial-gradient(circle at 80% 25%, rgba(255,255,255,0.65) 0 7px, transparent 8px),
    linear-gradient(180deg, rgba(255,255,255,0.9) 0 10px, transparent 10px 100%);
  background-size: 46px 46px, 46px 46px, 120px 120px, 120px 120px, 100% 100%;
  opacity: 0.95;
}

.card-visual-purple::after {
  inset: 18px 18px auto auto;
  width: 62px;
  height: 62px;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.2)),
    linear-gradient(90deg, transparent 0 10px, rgba(255,255,255,0.55) 10px 12px, transparent 12px 100%),
    linear-gradient(0deg, rgba(255,255,255,0.2) 0 6px, transparent 6px 100%),
    linear-gradient(180deg, rgba(141, 92, 246, 0.35) 0 18px, transparent 18px 100%);
  background-size: auto, 24px 24px, 24px 24px, 100% 100%;
  box-shadow: 0 8px 24px rgba(0,0,0,0.16);
}

.card-visual-teal {
  background: linear-gradient(135deg, #14b8a6 0%, #5eead4 100%);
}

.card-visual-teal::before {
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.3) 0 12px, transparent 13px),
    linear-gradient(0deg, rgba(255,255,255,0.24) 0 10px, transparent 11px),
    linear-gradient(90deg, rgba(255,255,255,0.35) 0 8px, transparent 9px),
    linear-gradient(180deg, rgba(255,255,255,0.3) 0 10px, transparent 10px 100%);
  background-size: 44px 44px, 44px 44px, 180px 180px, 100% 100%;
  opacity: 0.95;
}

.card-visual-teal::after {
  inset: auto 14px 14px auto;
  width: 92px;
  height: 54px;
  border-radius: 16px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.95), rgba(255,255,255,0.25)),
    linear-gradient(90deg, transparent 0 6px, rgba(255,255,255,0.55) 6px 8px, transparent 8px 100%),
    linear-gradient(180deg, rgba(255,255,255,0.82) 0 8px, transparent 8px 100%);
  background-size: auto, 18px 18px, 100% 100%;
  box-shadow: 0 10px 20px rgba(0,0,0,0.16);
}

@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.project-highlights {
  margin: 0.6rem 0 0;
  padding-left: 1rem;
  color: var(--muted);
}

.project-highlights li::marker {
  color: #8ea2c7;
}

.project-highlights li {
  margin-bottom: 0.45rem;
}

.timeline {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.8rem;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.7rem 0.8rem;
  border-radius: 0.9rem;
  background: rgba(7, 17, 31, 0.58);
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 0.4rem;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.9), rgba(45, 212, 191, 0.9));
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.12);
}

.timeline-item strong {
  color: var(--text);
}

.timeline-item p {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  margin-top: 0.9rem;
}

.kpi-card {
  padding: 0.75rem;
  border-radius: 0.95rem;
  background: rgba(7, 17, 31, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.14);
  text-align: center;
}

.kpi-card span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.kpi-card strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.1rem;
  color: var(--accent);
}

.insights-card {
  margin-top: 0.9rem;
  padding: 0.8rem;
  border-radius: 1rem;
  background: rgba(7, 17, 31, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.insight-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.55rem;
}

.insight-row:last-child {
  margin-bottom: 0;
}

.insight-row span {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.progress {
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.16);
  overflow: hidden;
}

.progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.section-heading {
  margin-bottom: 1.2rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.about-panel {
  padding: 1.25rem;
  color: var(--muted);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.project-card {
  padding: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-6px) rotate(-1deg);
  box-shadow: 0 18px 44px rgba(2, 8, 23, 0.2), 0 0 0 1px rgba(45, 212, 191, 0.1);
  border-color: rgba(45, 212, 191, 0.2);
}

.section:hover .section-heading h2 {
  color: var(--accent);
}

.about-panel:hover,
.contact-card:hover,
.hero-visual:hover {
  transform: translateY(-3px) scale(1.01);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.project-card p {
  color: var(--muted);
}

.project-card ul {
  padding-left: 1rem;
  color: var(--muted);
}

.contact-card {
  padding: 1.5rem;
  max-width: 700px;
}

.contact-card p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.site-footer {
  padding: 1rem 1.5rem 2rem;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 860px) {
  .hero-board,
  .board-grid {
    grid-template-columns: 1fr;
  }

  .hero-card-main,
  .board-card-large {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 1rem 1rem;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    padding: 0.8rem;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 1rem;
  }

  .site-nav.open {
    display: flex;
  }

  .hero {
    min-height: auto;
  }
}