/* =================================================================
   Junsa Hwang — site styles
   Dark, minimalist, warm-gold accent. Centered single column,
   top navbar, generous whitespace. Shared across all pages.
   ================================================================= */

:root {
  --bg:          #0e0e10;
  --bg-elev:     #17171a;
  --bg-elev-2:   #1d1d21;
  --border:      #2a2a2f;
  --text:        #f4f1ea;
  --text-dim:    #a6a097;
  --text-muted:  #6d675e;
  --accent:      #e8a23c;   /* warm gold */
  --accent-soft: #f3c878;
  --accent-deep: #c9822a;
  --radius:      14px;
  --radius-sm:   10px;
  --radius-pill: 999px;
  --max:         880px;
  --gutter:      clamp(1.25rem, 5vw, 2rem);
  --ease:        cubic-bezier(0.22, 1, 0.36, 1);
  --shadow:      0 12px 40px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Outfit', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }

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

a { color: inherit; }

::selection { background: var(--accent); color: #1a1408; }

.accent { color: var(--accent); }

/* Centered column */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Scroll progress bar */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(to right, var(--accent-deep), var(--accent-soft));
  z-index: 200;
  transition: width 0.1s linear;
}

/* =================================================================
   NAVBAR
   ================================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 14, 16, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max);
  margin-inline: auto;
  padding: 1.05rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--text);
  white-space: nowrap;
}

.nav-name:hover { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 4vw, 2rem);
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.95rem;
  position: relative;
  transition: color 0.25s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--text); }

.nav-links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.4rem;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* =================================================================
   SECTION SCAFFOLD
   ================================================================= */
.section { padding-block: clamp(3.5rem, 9vw, 6.5rem); }
.section + .section { padding-top: 0; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.section-sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-top: 0.85rem;
  max-width: 42rem;
}

/* =================================================================
   HERO
   ================================================================= */
.hero {
  position: relative;
  padding-block: clamp(4rem, 14vh, 9rem) clamp(3rem, 9vw, 6rem);
}

/* Cursor-following glow — fixed to the viewport so it spans the whole
   page without being clipped to any section (--mx/--my set in JS). */
.cursor-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 50%),
    rgba(232, 162, 60, 0.14),
    rgba(232, 162, 60, 0.05) 40%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.5s ease;
}

.cursor-glow.glow-on { opacity: 1; }

/* Hover-to-pop letters on the hero name */
.hero-name .ltr {
  display: inline-block;
  transition: transform 0.3s var(--ease), color 0.3s ease;
}

.hero-name .ltr:hover {
  transform: translateY(-0.12em);
  color: var(--accent);
}

.hero-name .ltr.space { width: 0.28em; }

.hero-greet {
  color: var(--text-dim);
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.hero-name {
  font-size: clamp(2.8rem, 9vw, 5.2rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.hero-rotator {
  font-size: clamp(1.5rem, 4.5vw, 2.4rem);
  font-weight: 600;
  margin-top: 0.75rem;
  color: var(--text-dim);
}

.hero-rotator .word {
  color: var(--accent);
  display: inline-block;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.hero-rotator .word.swap { opacity: 0; transform: translateY(0.4em); }

.hero-lead {
  margin-top: 1.75rem;
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 38rem;
}

.hero-note {
  margin-top: 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.25rem;
}

/* =================================================================
   BUTTONS
   ================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 500;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.btn-primary {
  background: var(--accent);
  color: #1a1408;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(232, 162, 60, 0.28);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  color: var(--accent);
}

/* =================================================================
   PATH CARDS (home → professional / personal)
   ================================================================= */
.paths {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.paths { perspective: 1000px; }

.path-card {
  position: relative;
  display: block;
  text-decoration: none;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s ease;
}

/* Cursor sheen following the pointer across the card (--cx/--cy in JS) */
.path-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    240px circle at var(--cx, 50%) var(--cy, 50%),
    rgba(243, 200, 120, 0.12),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
}

.path-card:hover {
  border-color: var(--accent);
  background: var(--bg-elev-2);
}

.path-card:hover::after { opacity: 1; }

/* Children lift toward the viewer on tilt for subtle depth */
.path-card > * { transform: translateZ(28px); }

/* Fallback lift when JS tilt isn't active (reduced motion / no pointer) */
.path-card.no-tilt:hover { transform: translateY(-6px); }

.path-card .path-k {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.path-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 0.5rem;
}

.path-card p {
  color: var(--text-dim);
  margin-top: 0.6rem;
  font-size: 0.98rem;
}

.path-card .arrow {
  margin-top: 1.25rem;
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  gap: 0.4rem;
  transition: gap 0.3s var(--ease);
}

.path-card:hover .arrow { gap: 0.8rem; }

/* =================================================================
   HOBBY BLOCKS (alternating image + text)
   ================================================================= */
.hobby {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-top: 2.75rem;
}

.hobby:nth-child(even) .hobby-media { order: 2; }

.hobby-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  filter: saturate(0.95);
}

.hobby-body h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

.hobby-body p {
  color: var(--text-dim);
  margin-top: 0.75rem;
}

/* =================================================================
   CAROUSEL
   ================================================================= */
.carousel { position: relative; margin-top: 2rem; }

.carousel-track {
  display: flex;
  gap: 1.1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 1.25rem;
  scrollbar-width: none;
  cursor: grab;
}

.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track.dragging { cursor: grabbing; scroll-behavior: auto; }

.carousel-item {
  flex: 0 0 clamp(15rem, 60vw, 19rem);
  scroll-snap-align: start;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}

.carousel-item:hover { transform: translateY(-5px); border-color: var(--accent); }

.carousel-item img {
  width: 100%;
  height: 12rem;
  object-fit: cover;
  filter: brightness(0.82) saturate(0.9);
  transition: filter 0.4s var(--ease);
  pointer-events: none;
}

.carousel-item:hover img { filter: none; }

.carousel-item h4 { margin: 1rem 1.15rem 0.35rem; font-size: 1.1rem; }
.carousel-item p { margin: 0 1.15rem 1.25rem; color: var(--text-dim); font-size: 0.9rem; }

.carousel-nav { display: flex; gap: 0.6rem; margin-top: 0.5rem; }

.carousel-btn {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s ease;
}

.carousel-btn:hover { transform: scale(1.08); border-color: var(--accent); color: var(--accent); }

/* =================================================================
   LIFE GRID
   ================================================================= */
.life-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.life-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1rem;
  text-align: center;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}

.life-card:hover { transform: translateY(-5px); border-color: var(--accent); }
.life-icon { font-size: 1.9rem; line-height: 1; }
.life-name { margin-top: 0.8rem; font-weight: 600; }
.life-sub { margin-top: 0.3rem; font-size: 0.8rem; color: var(--text-dim); }

/* =================================================================
   TIMELINE
   ================================================================= */
.timeline { position: relative; margin-top: 2rem; padding-left: 1.5rem; }

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0.5rem; bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(var(--accent), transparent);
}

.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1.25rem;
  padding: 0 0 1.9rem 1.5rem;
}

.tl-item:last-child { padding-bottom: 0; }

.tl-item::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 0.4rem;
  width: 0.8rem; height: 0.8rem;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  transform: translateX(-43%);
}

.tl-time { font-weight: 600; color: var(--accent); white-space: nowrap; }
.tl-body h4 { font-size: 1.1rem; }
.tl-body p { color: var(--text-dim); font-size: 0.92rem; margin-top: 0.2rem; }

/* =================================================================
   FUTURE LIST
   ================================================================= */
.future {
  list-style: none;
  counter-reset: fut;
  padding: 0;
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem 1.25rem;
}

.future li {
  counter-increment: fut;
  display: flex;
  gap: 0.9rem;
  align-items: center;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.15rem;
  color: var(--text-dim);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s ease;
}

.future li:hover { transform: translateX(4px); border-color: var(--accent); color: var(--text); }

.future li::before {
  content: counter(fut, decimal-leading-zero);
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
}

/* =================================================================
   STATS
   ================================================================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.stat {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1rem;
  text-align: center;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}

.stat:hover { transform: translateY(-5px); border-color: var(--accent); }

.stat-num {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
}

.stat-label { margin-top: 0.7rem; color: var(--text-dim); font-size: 0.88rem; line-height: 1.4; }

/* =================================================================
   PROJECTS GRID (professional)
   ================================================================= */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.proj-card {
  display: block;
  text-decoration: none;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}

.proj-card:hover { transform: translateY(-6px); border-color: var(--accent); }

.proj-card img {
  width: 100%;
  height: 13rem;
  object-fit: cover;
  filter: brightness(0.78) saturate(0.9);
  transition: filter 0.4s var(--ease);
}

.proj-card:hover img { filter: none; }

.proj-ph {
  height: 13rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background:
    radial-gradient(circle at 30% 20%, rgba(232, 162, 60, 0.18), transparent 60%),
    var(--bg-elev-2);
  border-bottom: 1px solid var(--border);
  color: var(--accent);
}

.proj-ph .ph-icon { font-size: 2.4rem; }
.proj-ph .ph-tag { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-muted); }

.proj-body { padding: 1.25rem 1.35rem 1.5rem; }
.proj-body h3 { font-size: 1.2rem; font-weight: 700; }
.proj-body p { color: var(--text-dim); font-size: 0.92rem; margin-top: 0.45rem; }

/* =================================================================
   EXPERIENCE / TIMELINE-LITE (professional)
   ================================================================= */
.exp-item {
  border-top: 1px solid var(--border);
  padding: 1.6rem 0;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.25rem;
}

.exp-item:last-child { border-bottom: 1px solid var(--border); }

.exp-role { font-weight: 600; font-size: 1.1rem; }
.exp-org { color: var(--accent); font-size: 0.9rem; margin-top: 0.2rem; }
.exp-date { color: var(--text-muted); font-size: 0.82rem; margin-top: 0.3rem; }
.exp-body p { color: var(--text-dim); }
.exp-body ul { color: var(--text-dim); margin: 0.5rem 0 0; padding-left: 1.1rem; }
.exp-body li { margin-bottom: 0.35rem; }

/* =================================================================
   SKILL / TAG CHIPS
   ================================================================= */
.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.25rem; }

.chip {
  font-size: 0.85rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.95rem;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.chip:hover { color: var(--accent); border-color: var(--accent); }

.skill-group { margin-top: 1.5rem; }
.skill-group h4 { font-size: 1rem; color: var(--text); }

/* =================================================================
   CONTACT / LETTER
   ================================================================= */
.letter-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(2.25rem, 7vw, 4.5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.letter-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(232, 162, 60, 0.16), transparent 62%);
  pointer-events: none;
}

.letter-icon {
  font-size: 2.4rem;
  color: var(--accent);
  transition: transform 0.4s var(--ease);
}

.letter-card:hover .letter-icon { transform: translateY(-5px) rotate(-6deg); }
.letter-card h2 { font-size: clamp(1.6rem, 4vw, 2.3rem); font-weight: 700; margin-top: 1rem; }
.letter-card p { color: var(--text-dim); max-width: 32rem; margin: 0.85rem auto 1.9rem; }

/* =================================================================
   CLOSING
   ================================================================= */
.closing { text-align: center; padding-block: clamp(3rem, 8vw, 5rem); }
.closing-small { color: var(--text-dim); font-size: 1.05rem; }
.closing-big {
  font-size: clamp(2.5rem, 9vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 0.4rem;
}

/* =================================================================
   FOOTER
   ================================================================= */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 2.75rem;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  justify-content: space-between;
}

.footer-name { font-weight: 700; }
.footer-socials { display: flex; gap: 1.1rem; }

.footer-socials a {
  color: var(--text-dim);
  font-size: 1.2rem;
  text-decoration: none;
  transition: color 0.25s ease, transform 0.25s var(--ease);
  display: inline-block;
}

.footer-socials a:hover { color: var(--accent); transform: translateY(-3px); }

.footer-copy { color: var(--text-muted); font-size: 0.85rem; width: 100%; }

/* hwanglander easter egg */
.egg { color: var(--bg); font-size: 0.85rem; cursor: default; user-select: none; }
.egg:hover { color: var(--text-muted); }

.egg-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.82);
  z-index: 998;
}

.egg-pop {
  display: none;
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 999;
  max-width: min(90vw, 420px);
}

.egg-pop img { width: 100%; border-radius: var(--radius); }

/* =================================================================
   SCROLL REVEAL
   ================================================================= */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.in { opacity: 1; transform: none; }

/* =================================================================
   RESPONSIVE
   ================================================================= */
@media (max-width: 760px) {
  .nav-name { font-size: 1rem; }
  .nav-links { gap: 1.1rem; }
  .nav-links a { font-size: 0.9rem; }

  .paths { grid-template-columns: 1fr; }
  .hobby { grid-template-columns: 1fr; }
  .hobby:nth-child(even) .hobby-media { order: 0; }

  .life-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .future { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }

  .tl-item { grid-template-columns: 4.25rem 1fr; gap: 0.85rem; }
  .exp-item { grid-template-columns: 1fr; gap: 0.4rem; }
}

@media (max-width: 380px) {
  .life-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}