/* Rishabh Singh — Clean Portfolio */

:root {
  --bg: #faf8f5;
  --text: #1a1a1a;
  --text-light: #666;
  --text-muted: #999;
  --border: #e8e4de;
  --card-bg: rgba(255,255,255,0.7);
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ---- Dragon layer ---- */
.dragon-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.06;
  filter: blur(1.5px);
  transition: opacity 0.4s ease, filter 0.4s ease;
}
.dragon-layer svg {
  width: 100%; height: 100%;
  display: block;
}

/* ---- Nav ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  transition: 0.3s;
}
.nav.scrolled {
  background: rgba(250,248,245,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-size: 0.85rem;
  color: var(--text-light);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.menu-btn span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}
.menu-btn.open span:first-child { transform: rotate(45deg) translate(4px, 4px); }
.menu-btn.open span:last-child  { transform: rotate(-45deg) translate(4px, -4px); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: rgba(250,248,245,0.97);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2rem;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-link { font-size: 1.5rem; font-weight: 500; color: var(--text-light); }
.mobile-link:hover { color: var(--text); }

/* ---- Hero ---- */
.hero {
  position: relative;
  z-index: 1;
  height: 70vh;
  min-height: 400px;
  overflow: hidden;
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(250,248,245,0) 30%, rgba(250,248,245,1) 100%);
}
.hero-name {
  position: absolute;
  bottom: 2.5rem; left: 2.5rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}

/* ---- Sections ---- */
.section {
  position: relative; z-index: 1;
  padding: 5rem 2rem;
}
.wrap { max-width: 800px; margin: 0 auto; }
.section h2 {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

/* ---- About ---- */
.two-col {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: start;
}
.col p {
  color: var(--text-light);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
.col p strong { color: var(--text); }
.details { display: flex; flex-direction: column; gap: 0.6rem; }
.detail {
  font-size: 0.9rem;
  color: var(--text-light);
  padding: 0.7rem 1rem;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
}

/* ---- Skills ---- */
.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.skill-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.skill-item span {
  flex-shrink: 0;
  width: 140px;
  font-size: 0.9rem;
  font-weight: 500;
}
.bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.fill {
  height: 100%;
  background: var(--text);
  border-radius: 6px;
  width: 0;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}
.fill.go { width: var(--w); }

/* ---- Cards ---- */
.card-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.06);
}
.card img {
  width: 100%; height: 180px;
  object-fit: cover;
}
.card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1rem 1.2rem 0.4rem;
}
.card p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: 0 1.2rem 1.2rem;
  line-height: 1.6;
}

/* ---- Footer ---- */
.footer {
  position: relative; z-index: 1;
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
}
.footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- Animations ---- */
.fade-in {
  animation: fadeIn 1s ease forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-btn  { display: flex; }
  .two-col   { grid-template-columns: 1fr; gap: 1.5rem; }
  .card-row  { grid-template-columns: 1fr; }
  .skill-item { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .skill-item span { width: auto; }
  .hero-name { left: 1.5rem; bottom: 1.5rem; }
  .nav { padding: 1rem 1.5rem; }
  .section { padding: 3.5rem 1.5rem; }
}