:root {
  --bg:        #f7f3ec;
  --bg2:       #ede9e0;
  --text:      #1c1814;
  --muted:     #7a7269;
  --accent:    oklch(0.45 0.15 260);
  --accent-lt: oklch(0.92 0.05 260);
  --border:    #d9d3c8;
  --card-bg:   #faf8f4;
  --serif:     'Playfair Display', Georgia, serif;
  --sans:      'DM Sans', system-ui, sans-serif;
  --radius:    4px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 3rem;
  background: rgba(247, 243, 236, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
nav.scrolled { border-color: var(--border); }
.nav-logo { font-family: var(--serif); font-size: 1.25rem; font-weight: 500; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a { font-size: 0.85rem; font-weight: 400; color: var(--muted); text-decoration: none; letter-spacing: 0.03em; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }

/* ── HERO ── */
#home {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 6rem 3rem 3rem;
  position: relative; overflow: hidden;
}
.hero-left { display: flex; flex-direction: column; justify-content: center; }
.hero-right {
  display: flex; align-items: flex-start; justify-content: center;
  perspective: 900px;
  height: 100%;
  min-height: 60vh;
  padding-top: 2rem;
}

.hero-eyebrow {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.5rem;
  opacity: 0; transform: translateY(16px);
  animation: fadeUp 0.7s 0.2s ease forwards;
}

.hero-name {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 500; line-height: 0.95; letter-spacing: -0.03em;
  color: var(--text);
  opacity: 0; transform: translateY(24px);
  animation: fadeUp 0.8s 0.35s ease forwards;
}
.hero-name em { font-style: italic; color: var(--accent); }

.hero-tagline {
  margin-top: 2.5rem;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 300; color: var(--muted); max-width: 480px;
  line-height: 1.65;
  opacity: 0; transform: translateY(16px);
  animation: fadeUp 0.7s 0.55s ease forwards;
}

.hero-ctas {
  display: flex; gap: 1rem; margin-top: 3rem; flex-wrap: wrap;
  opacity: 0; transform: translateY(16px);
  animation: fadeUp 0.7s 0.7s ease forwards;
}
.btn-primary {
  padding: 0.8rem 2.2rem; background: var(--text); color: var(--bg);
  font-family: var(--sans); font-size: 0.85rem; font-weight: 400; letter-spacing: 0.04em;
  border: none; border-radius: var(--radius); cursor: pointer; text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--accent); transform: translateY(-1px); }
.btn-outline {
  padding: 0.8rem 2.2rem; background: transparent; color: var(--text);
  font-family: var(--sans); font-size: 0.85rem; font-weight: 400; letter-spacing: 0.04em;
  border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; text-decoration: none;
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
}
.btn-outline:hover { border-color: var(--text); transform: translateY(-1px); }

.hero-line { display: none; }

/* ── 3D HERO VISUAL ── */
.h3d-scene-wrap { position: relative; }
.hero-3d-scene {
  width: 380px; height: 380px;
  position: relative;
  transform-style: preserve-3d;
  animation: floatScene 6s ease-in-out infinite;
}
@keyframes floatScene {
  0%, 100% { transform: translateY(0px) rotateX(4deg) rotateY(-8deg); }
  50%      { transform: translateY(-18px) rotateX(-2deg) rotateY(6deg); }
}

.h3d-card {
  position: absolute; inset: 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow:
    0 2px 0 var(--border),
    0 4px 0 rgba(0,0,0,0.04),
    0 24px 60px rgba(28,24,20,0.13),
    0 60px 100px rgba(28,24,20,0.07);
  padding: 2rem;
  display: flex; flex-direction: column; gap: 1.2rem;
}
.h3d-card-header {
  display: flex; align-items: center; gap: 0.5rem;
  padding-bottom: 1rem; border-bottom: 1px solid var(--border);
}
.h3d-dot { width: 10px; height: 10px; border-radius: 50%; }
.h3d-dot.r { background: #ff6b6b; }
.h3d-dot.y { background: #ffd93d; }
.h3d-dot.g { background: #6bcb77; }
.h3d-filename { font-family: monospace; font-size: 0.72rem; color: var(--muted); margin-left: 0.5rem; }

.h3d-code { display: flex; flex-direction: column; gap: 0.45rem; }
.h3d-line { display: flex; align-items: center; gap: 0.5rem; }
.h3d-ln { font-family: monospace; font-size: 0.65rem; color: var(--border); width: 14px; text-align: right; flex-shrink: 0; }
.h3d-text { font-family: monospace; font-size: 0.72rem; line-height: 1.4; }
.h3d-kw  { color: oklch(0.52 0.13 32); font-weight: 500; }
.h3d-fn  { color: oklch(0.45 0.12 200); }
.h3d-str { color: oklch(0.45 0.14 155); }
.h3d-cm  { color: var(--muted); font-style: italic; }
.h3d-pl  { color: var(--muted); }

.h3d-cursor {
  display: inline-block; width: 7px; height: 0.8em;
  background: var(--accent); vertical-align: middle; margin-left: 1px;
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.h3d-chip {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.35rem 0.85rem;
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.04em;
  color: var(--text);
  box-shadow: 0 8px 24px rgba(28,24,20,0.1);
  white-space: nowrap;
}
.h3d-chip.c1 {
  top: -18px; right: 20px;
  transform: translateZ(30px) rotate(-4deg);
  animation: chipFloat1 5s ease-in-out infinite;
}
.h3d-chip.c2 {
  bottom: 30px; left: -32px;
  transform: translateZ(40px) rotate(3deg);
  animation: chipFloat2 6.5s ease-in-out infinite;
}
.h3d-chip.c3 {
  top: 40%; right: -38px;
  transform: translateZ(20px) rotate(-2deg);
  animation: chipFloat3 5.5s ease-in-out infinite;
}
.h3d-chip .chip-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); margin-right: 5px; vertical-align: middle;
}
@keyframes chipFloat1 {
  0%, 100% { transform: translateZ(30px) rotate(-4deg) translateY(0); }
  50%      { transform: translateZ(30px) rotate(-4deg) translateY(-6px); }
}
@keyframes chipFloat2 {
  0%, 100% { transform: translateZ(40px) rotate(3deg) translateY(0); }
  50%      { transform: translateZ(40px) rotate(3deg) translateY(-8px); }
}
@keyframes chipFloat3 {
  0%, 100% { transform: translateZ(20px) rotate(-2deg) translateY(0); }
  50%      { transform: translateZ(20px) rotate(-2deg) translateY(5px); }
}

.h3d-shadow {
  position: absolute; bottom: -40px; left: 50%; transform: translateX(-50%);
  width: 260px; height: 30px;
  background: radial-gradient(ellipse, rgba(28,24,20,0.18) 0%, transparent 70%);
  filter: blur(8px);
  animation: shadowPulse 6s ease-in-out infinite;
}
@keyframes shadowPulse {
  0%, 100% { transform: translateX(-50%) scaleX(1);    opacity: 0.7; }
  50%      { transform: translateX(-50%) scaleX(0.82); opacity: 0.4; }
}

.skills-strip {
  margin-top: 4rem; border-top: 1px solid var(--border); padding-top: 1.5rem;
  display: flex; gap: 2rem; flex-wrap: wrap;
  opacity: 0; animation: fadeUp 0.7s 0.9s ease forwards;
}
.skill-tag { font-size: 0.75rem; font-weight: 400; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }

/* ── SECTION SHARED ── */
section { padding: 7rem 3rem; }
.section-label {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1rem;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 500; line-height: 1.15;
  letter-spacing: -0.02em; max-width: 520px;
  margin-bottom: 3.5rem;
}

/* ── PROJECTS ── */
#myProject { background: var(--bg); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2px;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
  opacity: 0; transform: translateY(30px);
}
.project-card.visible {
  animation: fadeUp 0.65s ease forwards;
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(28, 24, 20, 0.09);
}
.project-card:nth-child(2) { animation-delay: 0.1s; }
.project-card:nth-child(3) { animation-delay: 0.2s; }

.project-thumb {
  width: 100%; aspect-ratio: 16/9;
  background: var(--bg2);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.project-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}

.project-body { padding: 1.75rem; }
.project-number { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.15em; color: var(--accent); margin-bottom: 0.5rem; }
.project-name {
  font-family: var(--serif); font-size: 1.45rem; font-weight: 500; line-height: 1.2;
  margin-bottom: 0.75rem;
}
.project-desc { font-size: 0.88rem; color: var(--muted); line-height: 1.65; margin-bottom: 1.25rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.5rem; }
.tag {
  font-size: 0.7rem; font-weight: 400; letter-spacing: 0.04em;
  padding: 0.25rem 0.65rem; border-radius: 2rem;
  background: var(--accent-lt); color: var(--accent);
  border: 1px solid oklch(0.87 0.07 260);
}
.tag.neutral {
  background: var(--bg2); color: var(--muted);
  border-color: var(--border);
}
.project-links { display: flex; gap: 1rem; }
.project-link {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.04em;
  color: var(--text); text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px; transition: border-color 0.2s, color 0.2s;
}
.project-link:hover { color: var(--accent); border-color: var(--accent); }

/* ── CONTACT ── */
#contactMe { background: var(--bg2); }
.contact-layout {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 6rem; align-items: start;
}
.contact-info p { font-size: 0.95rem; color: var(--muted); line-height: 1.75; margin-bottom: 2rem; }
.contact-direct { display: flex; flex-direction: column; gap: 0.75rem; }
.contact-direct a {
  font-size: 0.85rem; color: var(--text); text-decoration: none;
  display: flex; align-items: center; gap: 0.5rem;
  transition: color 0.2s;
}
.contact-direct a:hover { color: var(--accent); }
.contact-direct .icon {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; flex-shrink: 0;
}

form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
label { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
input, textarea {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.8rem 1rem;
  font-family: var(--sans); font-size: 0.9rem; font-weight: 300; color: var(--text);
  transition: border-color 0.2s;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--text); }
textarea { resize: vertical; min-height: 130px; }
.form-submit-row { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.form-status {
  font-size: 0.82rem; color: var(--accent); min-height: 1.2rem;
  display: flex; align-items: center;
}

/* ── FOOTER ── */
footer {
  padding: 2.5rem 3rem;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
footer small { font-size: 0.8rem; color: var(--muted); }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { font-size: 0.78rem; color: var(--muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }

/* ── ANIMATION ── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  #home { grid-template-columns: 1fr; gap: 3rem; }
  .hero-right { min-height: auto; }
  .hero-3d-scene { width: 300px; height: 300px; }
}
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  #home { padding: 5rem 1.5rem 2rem; }
  section { padding: 5rem 1.5rem; }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
  footer { padding: 2rem 1.5rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .h3d-chip.c2, .h3d-chip.c3 { display: none; }
}