:root {
  --bg: #faf9f7;
  --bg2: #f4f2ee;
  --surface: #ffffff;
  --border: #e8e4dc;
  --border-dark: #d0cac0;
  --ink: #1a1814;
  --ink2: #3d3a34;
  --muted: #9b9489;
  --accent: #c4622d;
  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "DM Sans", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-weight: 300;
  overflow-x: hidden;
}

/* ─── FOCUS ─────────────────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}
:focus:not(:focus-visible) {
  outline: none;
}

/* ─── PROGRESS ───────────────────────────────────────────────────────────── */
#progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 1px;
  background: var(--accent);
  z-index: 1000;
  width: 0%;
  transition: width 0.08s linear;
}

/* ─── NAV ────────────────────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 2rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition:
    padding 0.4s ease,
    background 0.4s ease,
    border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
nav.scrolled {
  padding: 1.2rem 4rem;
  background: rgba(250, 249, 247, 0.93);
  backdrop-filter: blur(16px);
  border-color: var(--border);
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--ink);
  text-decoration: none;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 3rem;
  align-items: center;
}
nav a {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
nav a:hover {
  color: var(--ink);
}
.nav-cta {
  color: var(--accent) !important;
  border: 1px solid currentColor;
  padding: 0.45rem 1.2rem;
  border-radius: 100px;
  transition:
    background 0.2s,
    color 0.2s !important;
}
.nav-cta:hover {
  background: var(--accent);
  color: white !important;
  border-color: var(--accent);
}

/* ─── HERO ───────────────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 10rem 4rem 6rem;
  gap: 4rem;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.1s forwards;
}
.hero-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--muted);
}
.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}
.hero-name em {
  font-style: italic;
  color: var(--accent);
}
.hero-role {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--muted);
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.35s forwards;
}
.hero-desc {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink2);
  max-width: 400px;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.5s forwards;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.65s forwards;
}

/* ─── BUTTONS ────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  padding: 0.9rem 2rem;
  border-radius: 100px;
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.2s;
}
.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  padding: 0.9rem 2rem;
  border-radius: 100px;
  text-decoration: none;
  border: 1px solid var(--border-dark);
  transition:
    color 0.2s,
    border-color 0.2s;
}
.btn-ghost:hover {
  color: var(--ink);
  border-color: var(--ink2);
}

/* ─── INDEX CARD (3D) ────────────────────────────────────────────────────── */
.hero-right {
  opacity: 0;
  animation: fadeIn 1.2s ease 0.8s forwards;
}

/* Perspective wrapper */
.index-card {
  perspective: 900px;
  cursor: grab;
  user-select: none;
}
.index-card:active {
  cursor: grabbing;
}

/* The element that actually rotates */
.card-inner {
  position: relative;
  transform-style: preserve-3d;
  transform: rotateY(0deg) rotate(1deg);
  will-change: transform;
  transition: transform 0.55s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Shared face styles */
.card-face {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 3px;
  padding: 3rem;
}

/* Front face */
.card-front {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow:
    0 2px 20px rgba(0, 0, 0, 0.04),
    0 20px 60px rgba(0, 0, 0, 0.06);
}

/* Back face */
.card-back {
  position: absolute;
  inset: 0;
  background: var(--ink);
  border: 1px solid var(--ink2);
  border-radius: 3px;
  box-shadow:
    0 2px 20px rgba(0, 0, 0, 0.12),
    0 20px 60px rgba(0, 0, 0, 0.2);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 3rem;
}

.card-back-eyebrow {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--bg);
  opacity: 0.9;
  margin-bottom: 1rem;
}
.card-line--dim {
  opacity: 0.15;
}
.card-back-tagline {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--bg);
  line-height: 1.5;
  flex: 1;
  display: flex;
  align-items: center;
}
.card-back-tagline em {
  font-style: italic;
  color: var(--accent);
}
.card-back-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}
.back-link-row {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.75rem;
  color: rgba(250, 249, 247, 0.65);
}
.back-link-label {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}
.card-back-footer {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(250, 249, 247, 0.3);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
}

/* Shared card internals */
.card-stamp {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 0.58rem;
  color: var(--accent);
  text-align: center;
  line-height: 1.4;
  opacity: 0.7;
}
.card-eyebrow {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.card-line {
  height: 1px;
  background: var(--border);
  margin-bottom: 1.5rem;
}
.card-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.1rem;
  font-size: 0.8rem;
}
.card-label {
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.card-value {
  color: var(--ink2);
}
.card-value.accent {
  color: var(--accent);
}
.card-divider {
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}
.card-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.card-tag {
  font-size: 0.67rem;
  padding: 0.28rem 0.7rem;
  background: var(--bg2);
  border-radius: 100px;
  color: var(--ink2);
}
.card-drag-hint {
  margin-top: 1.5rem;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--border-dark);
  text-align: center;
}

/* ─── DIVIDER ────────────────────────────────────────────────────────────── */
.section-divider {
  height: 1px;
  border: none;
  background: var(--border);
  margin: 0 4rem;
}

/* ─── SECTION ────────────────────────────────────────────────────────────── */
.section {
  padding: 7rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}
.section-num {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.section-title em {
  font-style: italic;
  color: var(--accent);
}

/* ─── ABOUT ──────────────────────────────────────────────────────────────── */
.about-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}
.about-text p {
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--ink2);
  margin-bottom: 1.4rem;
}
.about-text p:first-child {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--ink);
}
.about-aside {
  display: flex;
  flex-direction: column;
}
.aside-row {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.aside-label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.aside-value {
  font-size: 0.88rem;
  color: var(--ink2);
}
.aside-value.big {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--ink);
  line-height: 1;
}
.aside-sub {
  color: var(--muted);
  font-size: 0.8rem;
}
.aside-accent {
  color: var(--accent);
}

/* ─── PROJECTS ───────────────────────────────────────────────────────────── */
.projects-list {
  display: flex;
  flex-direction: column;
}
.project-row {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 2.5rem;
  align-items: start;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  position: relative;
  cursor: default;
}
.project-row.linkable {
  cursor: pointer;
}
.project-row:first-child {
  border-top: 1px solid var(--border);
}
/* Left accent bar via pseudo-element — transform-based, no reflow */
.project-row::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--accent);
  transition: width 0.25s ease;
}
.project-row:hover::after {
  width: 2px;
}
/* Slide content right using transform instead of padding */
.project-row > *:not(.proj-arrow) {
  transition: transform 0.3s ease;
}
.project-row:hover > *:not(.proj-arrow) {
  transform: translateX(1.2rem);
}
.proj-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--border-dark);
  padding-top: 0.2rem;
  transition: color 0.3s;
}
.project-row:hover .proj-num {
  color: var(--accent);
}
.proj-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 0.6rem;
  transition: color 0.3s;
}
.project-row:hover .proj-title {
  color: var(--accent);
}
.proj-desc {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 1.2rem;
}
.proj-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}
.proj-tag {
  font-size: 0.68rem;
  padding: 0.28rem 0.8rem;
  background: var(--bg2);
  border-radius: 100px;
  color: var(--ink2);
  border: 1px solid var(--border);
}
.proj-arrow {
  font-size: 1.1rem;
  color: var(--border-dark);
  padding-top: 0.3rem;
  transition:
    transform 0.3s,
    color 0.3s;
}
.project-row:hover .proj-arrow {
  transform: translate(3px, -3px);
  color: var(--accent);
}

/* Project link buttons */
.proj-links {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.proj-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.42rem 1rem;
  border-radius: 100px;
  text-decoration: none;
  border: 1px solid var(--border-dark);
  color: var(--muted);
  transition:
    color 0.2s,
    border-color 0.2s,
    background 0.2s;
  position: relative;
  z-index: 1;
}
.proj-link-btn:hover {
  color: var(--ink);
  border-color: var(--ink2);
}
.proj-link-btn.primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.proj-link-btn.primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* ─── SKILLS ─────────────────────────────────────────────────────────────── */
.bg-surface2 {
  background: var(--bg2);
}
.skills-layout {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.skill-col {
  background: var(--surface);
  padding: 2.5rem 2rem;
  transition: background 0.2s;
}
.skill-col:hover {
  background: var(--bg2);
}
.skill-col-title {
  font-size: 0.67rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.8rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--border);
}
.skill-item {
  font-size: 0.85rem;
  color: var(--ink2);
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--bg2);
}
.skill-item:last-child {
  border-bottom: none;
}
.skill-col:hover .skill-item {
  color: var(--ink);
}

/* ─── CONTACT ────────────────────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}
.contact-heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 1.5rem;
}
.contact-heading em {
  font-style: italic;
  color: var(--accent);
}
.contact-sub {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 2.5rem;
}
.contact-links {
  display: flex;
  flex-direction: column;
}
.contact-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--ink2);
  font-size: 0.85rem;
  position: relative;
  overflow: hidden;
}
.contact-link:first-child {
  border-top: 1px solid var(--border);
}
/* Left accent bar */
.contact-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--accent);
  transition: width 0.2s;
}
.contact-link:hover::before {
  width: 2px;
}
/* Slide content via transform instead of padding */
.contact-link > * {
  transition:
    transform 0.25s ease,
    color 0.2s;
}
.contact-link:hover > * {
  transform: translateX(1rem);
  color: var(--ink);
}
.cl-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.15rem;
}
.cl-arrow {
  color: var(--muted);
  font-size: 0.9rem;
  transition:
    transform 0.2s,
    color 0.2s;
  flex-shrink: 0;
}
.contact-link:hover .cl-arrow {
  transform: translate(3px, -3px) !important;
  color: var(--accent);
}

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--muted);
}
footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
footer a:hover {
  color: var(--accent);
}

/* ─── REVEAL ─────────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-d1 {
  transition-delay: 0.1s;
}
.reveal-d2 {
  transition-delay: 0.2s;
}
.reveal-d3 {
  transition-delay: 0.3s;
}

/* ─── ANIMATIONS ─────────────────────────────────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ─── REDUCED MOTION ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ─── RESPONSIVE: TABLET ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
  nav,
  nav.scrolled {
    padding: 1.2rem 1.5rem;
  }
  nav ul {
    gap: 1.5rem;
  }
  .section-divider {
    margin: 0 1.5rem;
  }
  .section {
    padding: 5rem 1.5rem;
  }
  #hero {
    grid-template-columns: 1fr;
    padding: 8rem 1.5rem 4rem;
  }
  .hero-right {
    display: none;
  }
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .skills-layout {
    grid-template-columns: 1fr 1fr;
  }
  .project-row {
    grid-template-columns: 40px 1fr;
  }
  .proj-arrow {
    display: none;
  }
  footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    padding: 2rem 1.5rem;
  }
}

/* ─── RESPONSIVE: MOBILE ─────────────────────────────────────────────────── */
@media (max-width: 600px) {
  nav ul {
    gap: 1rem;
  }
  .nav-cta {
    padding: 0.35rem 0.8rem;
  }
  .skills-layout {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}