/* ─── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #000000;
  --bg2: #000000;
  --white: #ffffff;
  --off-white: #e8e4df;
  --muted: #555555;
  --border: rgba(255,255,255,0.08);
  --accent: #c8b89a;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  cursor: none;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

/* Film-grain overlay — black in code, lighter gray on screen */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9990;
  pointer-events: none;
  opacity: 0.09;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='320' height='320'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='320' height='320' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 320px 320px;
}

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

/* ─── Custom Cursor ─────────────────────────────────────────────────────────── */
.cursor {
  width: 8px;
  height: 8px;
  background: var(--white);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.08s ease, width 0.25s ease, height 0.25s ease, background 0.25s ease;
  mix-blend-mode: difference;
}

.cursor-follower {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.18s ease, width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
  mix-blend-mode: difference;
}

body:hover .cursor-follower { opacity: 1; }

/* ─── Typography Utilities ──────────────────────────────────────────────────── */
.mono {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── Navigation ────────────────────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.75rem 3rem;
  mix-blend-mode: difference;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  transition: opacity 0.3s ease;
}

.nav-logo:hover { opacity: 0.5; }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  position: relative;
  transition: opacity 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--white);
  transition: width 0.4s cubic-bezier(0.65, 0, 0.35, 1);
}

.nav-link:hover { opacity: 0.5; }
.nav-link:hover::after { width: 100%; }

/* ─── Hero ──────────────────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 0 3rem;
  position: relative;
  overflow: hidden;
}

#bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-content,
.hero-diagram {
  position: relative;
  z-index: 1;
}

.hero-content {
  padding-top: 8rem;
  padding-bottom: 4rem;
  z-index: 2;
}

.hero-label {
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero-label .mono {
  color: var(--muted);
}

.hero-name {
  font-size: clamp(4rem, 9vw, 9rem);
  font-weight: 300;
  line-height: 0.92;
  letter-spacing: -0.03em;
  overflow: visible; /* allow particle canvas to extend if needed */
  margin-bottom: 3rem;
}

.line-wrap {
  display: block;
  overflow: hidden;
}

.line {
  display: block;
  opacity: 0;
  transform: translateY(100%);
  animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.line-wrap:nth-child(1) .line { animation-delay: 0.4s; }
.line-wrap:nth-child(2) .line { animation-delay: 0.6s; }

.hero-sub {
  opacity: 0;
  animation: fadeUp 0.8s ease 0.9s forwards;
}

.hero-sub p {
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  line-height: 2;
}

.hero-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: fadeIn 1.5s ease 1s forwards;
}

.diagram-svg {
  width: min(400px, 80%);
  height: auto;
  animation: rotateSlow 60s linear infinite;
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 3rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 1.2s forwards;
}

.hero-scroll .mono {
  color: var(--muted);
}

.scroll-line {
  width: 60px;
  height: 1px;
  background: var(--muted);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: var(--white);
  animation: scrollAnim 2s ease 1.5s infinite;
}

@keyframes scrollAnim {
  0%   { left: -100%; }
  50%  { left: 0; }
  100% { left: 100%; }
}

/* ─── Section Common ────────────────────────────────────────────────────────── */
section {
  padding: 7rem 3rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  margin-bottom: 4rem;
}

.section-label { color: var(--muted); }
.section-count  { color: var(--muted); }

/* ─── Projects ──────────────────────────────────────────────────────────────── */
#work { padding-top: 0; }

.projects-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.project-item {
  display: grid;
  grid-template-columns: 80px 1fr 45%;
  gap: 3rem;
  align-items: start;
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: background 0.4s ease;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease, background 0.4s ease;
}

.project-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-item:hover { background: rgba(255,255,255,0.02); }

.project-number {
  font-size: 0.65rem;
  color: var(--muted);
  padding-top: 0.5rem;
  letter-spacing: 0.1em;
}

.project-info { padding-right: 2rem; }

.project-title {
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.2;
  transition: color 0.3s ease;
}

.project-item:hover .project-title { color: var(--off-white); }

.project-meta {
  color: var(--muted);
  margin-bottom: 1.25rem;
  font-size: 0.65rem;
}

.project-desc {
  font-size: 0.85rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.5);
  max-width: 42ch;
  margin-bottom: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  color: var(--muted);
  transition: border-color 0.3s ease, color 0.3s ease;
}

.project-item:hover .tag {
  border-color: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.6);
}

.project-image-wrap {
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
}

.project-image {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.project-item:hover .project-image {
  transform: scale(1.04);
}

.image-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  transition: opacity 0.4s ease;
}

.project-item:hover .image-overlay {
  opacity: 0;
}

/* Project thumbnail images */
.project-image-01 {
  background-image: url('images/project-01/model/DSC_3353.jpg');
}

.project-image-02 {
  background-image: url('images/project-02/model/DSC_3821.jpg');
}

.project-image-03 {
  background-image: url('images/project-03/model/DSC_7795.jpg');
}

.project-image-04 {
  background-image: url('images/project-04/renders/image1.jpg');
}

.project-image-05 {
  background-image: url('images/project-05/renders/Future_Ruins_Student.0216.png');
}

/* ─── About ─────────────────────────────────────────────────────────────────── */
#about { border-top: none; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
}

.about-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.about-email {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
  transition: color 0.3s ease, border-color 0.3s ease;
  display: inline-block;
  margin-top: 1rem;
}

.about-email:hover {
  color: var(--white);
  border-color: var(--white);
}

.about-columns {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
}

.col-title {
  color: var(--muted);
  margin-bottom: 1.5rem;
  font-size: 0.65rem;
}

.cv-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.cv-item {
  display: flex;
  flex-direction: column;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.cv-title {
  font-size: 0.82rem;
  font-weight: 400;
  color: rgba(255,255,255,0.8);
  margin-bottom: 0.2rem;
}

.cv-meta {
  color: var(--muted);
  font-size: 0.6rem;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.45);
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--border);
  width: 100%;
  transition: color 0.3s ease;
}

.skill:hover { color: rgba(255,255,255,0.8); }

/* ─── Contact ───────────────────────────────────────────────────────────────── */
#contact {
  padding-top: 0;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-inner {
  padding-top: 7rem;
}

.contact-heading {
  font-size: clamp(3rem, 7vw, 7rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin: 2rem 0 4rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 600px;
}

.contact-link {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s ease;
}

.contact-link:hover { border-color: rgba(255,255,255,0.3); }

.contact-link-label {
  color: var(--muted);
  font-size: 0.62rem;
}

.contact-link-value {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  transition: color 0.3s ease;
}

.contact-link:hover .contact-link-value { color: var(--white); }

.contact-link-arrow {
  font-size: 1rem;
  color: var(--muted);
  transition: transform 0.3s ease, color 0.3s ease;
  justify-self: end;
}

.contact-link:hover .contact-link-arrow {
  transform: translate(3px, -3px);
  color: var(--white);
}

/* ─── Footer ────────────────────────────────────────────────────────────────── */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding: 2rem 0 0;
  margin-top: auto;
}

.footer-copy, .footer-school {
  color: var(--muted);
  font-size: 0.62rem;
}

/* ─── Animations ────────────────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(100%); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── Micro Graphics ────────────────────────────────────────────────────────── */

/* Project item — top-left L bracket */
.project-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 10px; height: 10px;
  border-top: 1px solid rgba(255,255,255,0.12);
  border-left: 1px solid rgba(255,255,255,0.12);
  pointer-events: none;
  transition: border-color 0.4s ease;
}
.project-item:hover::before { border-color: rgba(255,255,255,0.32); }

/* Project image — top-right L bracket */
.project-image-wrap::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 10px; height: 10px;
  border-top: 1px solid rgba(255,255,255,0.2);
  border-right: 1px solid rgba(255,255,255,0.2);
  z-index: 3;
  pointer-events: none;
  transition: border-color 0.4s ease;
}
.project-item:hover .project-image-wrap::after { border-color: rgba(255,255,255,0.5); }

/* Hero coordinate tag — top right */
.mg-coord {
  position: absolute;
  top: 5.8rem; right: 3rem;
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.16);
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  animation: fadeIn 1.5s ease 1.3s forwards;
  line-height: 2;
  text-align: right;
}

/* Hero vertical measurement column — right edge */
.mg-measure {
  position: absolute;
  right: 3rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  animation: fadeIn 1.5s ease 1.5s forwards;
}
.mg-tick {
  width: 7px;
  height: 1px;
  background: rgba(255,255,255,0.18);
}
.mg-vline {
  width: 1px;
  height: 55px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
}
.mg-mlabel {
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.14);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin: 6px 0;
}

/* North arrow */
.mg-north {
  position: absolute;
  bottom: 4rem; right: 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  animation: fadeIn 1.5s ease 1.7s forwards;
}
.mg-north-label {
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.16);
}

/* About annotation strip */
.mg-about-ann {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.mg-ann-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  flex-shrink: 0;
}
.mg-ann-line {
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.07);
}
.mg-ann-text {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.16);
  text-transform: uppercase;
  white-space: nowrap;
}

/* Section header tick */
.mg-section-tick {
  width: 1px;
  height: 10px;
  background: rgba(255,255,255,0.15);
  align-self: flex-end;
}

/* ─── Responsive ────────────────────────────────────────────────────────────── */

/* ── Tablet ── */
@media (max-width: 1100px) {
  .project-item {
    grid-template-columns: 60px 1fr;
    grid-template-rows: auto auto;
  }
  .project-image-wrap {
    grid-column: 1 / -1;
    aspect-ratio: 16/7;
  }
  .about-columns {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── Mobile ── */
@media (max-width: 768px) {
  #nav {
    padding: 1.5rem;
  }
  .nav-links { gap: 1.5rem; }

  section { padding: 5rem 1.5rem; }

  #hero {
    grid-template-columns: 1fr;
    padding: 0 1.5rem;
  }
  .hero-content { padding-top: 7rem; }
  .hero-diagram { display: flex; padding: 0 0 3rem; }
  .hero-scroll  { left: 1.5rem; }
  .hero-name { font-size: clamp(3rem, 15vw, 5rem); }

  .project-item {
    grid-template-columns: 1fr;
    padding: 2.5rem 0;
    gap: 1.5rem;
  }
  .project-number { display: none; }
  .project-info { padding-right: 0; }
  .project-image-wrap { aspect-ratio: 16/9; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-columns { grid-template-columns: 1fr; }

  .contact-heading { font-size: clamp(2.5rem, 12vw, 4rem); }
  .contact-link { grid-template-columns: 70px 1fr 30px; }

  .footer {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }

  body { cursor: auto; }
  .cursor, .cursor-follower { display: none; }
}

/* ── Small phones (iPhone SE, 375px, 320px) ── */
@media (max-width: 480px) {
  #nav { padding: 1.25rem 1rem; }
  .nav-links { gap: 1.25rem; }

  section { padding: 4rem 1rem; }

  #hero { padding: 0 1rem; }
  .hero-content { padding-top: 5.5rem; }
  .hero-name { font-size: clamp(2.8rem, 16vw, 4.5rem); }
  .hero-scroll { left: 1rem; }

  .section-header { margin-bottom: 2.5rem; }

  .project-item { padding: 2rem 0; }
  .project-title { font-size: clamp(1.3rem, 6vw, 1.8rem); }
  .project-desc { font-size: 0.82rem; }

  .about-text { font-size: 0.95rem; }

  .contact-inner { padding-top: 5rem; }
  .contact-heading { font-size: clamp(2rem, 13vw, 3rem); margin: 1.5rem 0 3rem; }
  .contact-link {
    grid-template-columns: 55px 1fr 24px;
    gap: 0.5rem;
    padding: 1.25rem 0;
  }
  .contact-link-value { font-size: 0.78rem; }
}

/* ─── Project view link ──────────────────────────────────────────────────── */
.project-view-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.2rem;
  transition: color 0.3s ease, border-color 0.3s ease;
  position: relative;
  z-index: 2;
}

.project-item:hover .project-view-link {
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}

/* Clickable overlay for the entire row */
.project-item {
  cursor: pointer;
}

/* ─── Image placeholder labels (remove when real images are added) ─── */
.project-image::before {
  content: attr(data-label);
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.2);
  text-transform: uppercase;
  z-index: 1;
}