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

/*
  Figma canvas: 1920 × 1080
  rows margin: 100px  → 9.259vh
  columns margin: 200px → 10.417vw
  Font: Fustat
*/

:root {
  --black: #000000;
  --white: #ffffff;
  --col-margin: clamp(40px, 10.417vw, 200px); /* 200px @ 1920px */
  --row-margin: clamp(32px, 9.259vh, 100px);  /* 100px @ 1080px */
  --font: 'Fustat', system-ui, sans-serif;
  --nav-h: 53px; /* fixed nav height */
}

html { scroll-behavior: smooth; cursor: none; }

/* ── Custom Cursor ── */
.custom-cursor {
  position: fixed;
  top: 0; left: 0;
  width: 60px;
  height: 60px;
  border: 1.5px solid #ffffff;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.08s ease-out, opacity 0.2s;
  opacity: 0;
}

.custom-cursor.visible { opacity: 1; }

/* Magnifier mode — on mousedown */
.custom-cursor.magnify {
  width: 200px;
  height: 200px;
  background: transparent;
  transition: width 0.2s ease, height 0.2s ease, transform 0.08s ease-out;
}

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

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

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--col-margin);
  background: var(--black);
}

.nav-name {
  font-size: clamp(9px, 0.625vw, 12px);
  font-weight: 500;
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  gap: clamp(16px, 1.875vw, 36px);
  list-style: none;
}

.nav-links a {
  font-size: clamp(9px, 0.625vw, 12px);
  font-weight: 500;
  letter-spacing: 0.14em;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.nav-links a:hover,
.nav-links a.active { opacity: 1; }

/* ── HERO ── */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 500px;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* ── Hero background upload ── */
.hero-bg-zone {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition: background 0.2s;
}

.hero-bg-zone:hover { background: rgba(255,255,255,0.03); }

.hero-bg-zone.has-media { cursor: default; }
.hero-bg-zone.has-media:hover { background: transparent; }

.hero-bg-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  font-size: 0;
  z-index: 1;
}

.hero-bg-zone.has-media input[type="file"] { pointer-events: none; }

.hero-bg-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  opacity: 0.2;
  pointer-events: none;
}

.hero-bg-zone.has-media .hero-bg-label { display: none; }

.hero-bg-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* replace button — shows on hover when image is set */
.hero-bg-replace {
  position: absolute;
  bottom: calc(var(--row-margin) + 40px);
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 0.14em;
  opacity: 0;
  background: rgba(0,0,0,0.6);
  padding: 6px 14px;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.2);
  transition: opacity 0.2s;
  z-index: 5;
  pointer-events: auto;
}

.hero:hover .hero-bg-replace.visible { opacity: 1; }

/* all hero content sits above the background */
.hero-center { z-index: 2; }

/* ── Corner labels ── */
.hero-corner {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: clamp(2px, 0.26vw, 5px);
  opacity: 0;
  animation: fadeIn 0.6s forwards;
}

.hero-corner span {
  font-size: clamp(8px, 0.573vw, 11px);
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1.6;
  text-transform: uppercase;
}

.hero-corner.top-left  {
  top: calc(var(--nav-h) + var(--row-margin));
  left: var(--col-margin);
  animation-delay: 0.3s;
}
.hero-corner.top-right {
  top: calc(var(--nav-h) + var(--row-margin));
  right: var(--col-margin);
  text-align: right;
  animation-delay: 0.35s;
}
.hero-corner.mid-left {
  top: 50%;
  left: var(--col-margin);
  transform: translateY(-50%);
  animation-delay: 0.4s;
}
.hero-corner.mid-right {
  top: 50%;
  right: var(--col-margin);
  text-align: right;
  transform: translateY(-50%);
  animation-delay: 0.4s;
}

/* ── Center title ── */
/* Figma: X 554px, Y 100px on 1920×1080 canvas */
.hero-center {
  position: absolute;
  left: 28.854vw;   /* 554 ÷ 1920 × 100 */
  top: 9.259vh;     /* 100 ÷ 1080 × 100 */
  text-align: center;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-title .line {
  display: block;
  /* 150px @ 1920px = 7.8125vw */
  font-size: clamp(40px, 7.8125vw, 150px);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 0.95;
  min-height: 0.95em;
}

/* blinking cursor — sits inline after typed text */
.hero-cursor {
  display: inline;
  font-size: inherit;
  font-weight: 300;
  line-height: inherit;
  animation: blink 0.8s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Bottom bar ── */
.hero-bottom {
  position: absolute;
  bottom: var(--row-margin);
  left: var(--col-margin);
  right: var(--col-margin);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.hero-bottom-left {
  display: flex;
  flex-direction: column;
  gap: clamp(2px, 0.26vw, 5px);
  opacity: 0;
  animation: fadeIn 0.6s 0.6s forwards;
}

.hero-bottom-left span {
  font-size: clamp(8px, 0.573vw, 11px);
  font-weight: 500;
  letter-spacing: 0.1em;
  opacity: 0.5;
  text-transform: uppercase;
}

.hero-bottom-left span:first-child { opacity: 1; }

.hero-bottom-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  white-space: nowrap;
  opacity: 0;
  animation: fadeIn 0.6s 0.5s forwards;
}

.name-large {
  font-size: clamp(20px, 3.125vw, 60px);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.hero-bottom-right {
  opacity: 0;
  animation: fadeIn 0.6s 0.7s forwards;
}

.begin-link {
  font-size: clamp(8px, 0.573vw, 11px);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: opacity 0.2s;
}

.begin-link:hover { opacity: 0.5; }

/* ── Keyframes ── */
@keyframes fadeIn { to { opacity: 1; } }

/* ── Portfolio Slots ── */
#portfolio {
  display: flex;
  flex-direction: column;
}

.portfolio-slot {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0a0a0a;
  overflow: hidden;
  line-height: 0;
}

.portfolio-slot img,
.portfolio-slot video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* fade in when image loads */
.portfolio-slot img {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.portfolio-slot img.loaded {
  opacity: 1;
}

/* Upload zone */
.upload-zone {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px dashed rgba(255,255,255,0.1);
  cursor: pointer;
  transition: background 0.2s;
}

.upload-zone:hover,
.upload-zone.dragover { background: rgba(255,255,255,0.03); }

.upload-zone.hidden { display: none; }

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  font-size: 0;
}

.upload-icon { width: 32px; height: 32px; opacity: 0.15; }

.upload-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.25;
  font-family: var(--font);
}

.slot-num {
  position: absolute;
  top: 12px;
  left: 16px;
  font-size: 10px;
  letter-spacing: 0.1em;
  opacity: 0.1;
  pointer-events: none;
  z-index: 2;
  font-family: var(--font);
}

/* ── Page 46: Closing ── */
/*
  Figma 1920×1080 기준
  vw = px ÷ 1920 × 100
  vh = px ÷ 1080 × 100
*/
.closing-page {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000000;
  overflow: hidden;
}

.closing-page span {
  position: absolute;
  font-family: var(--font);
}

.cl-name {
  /* 50px @ 1920 = 2.604vw */
  font-size: clamp(18px, 2.604vw, 50px);
  font-weight: 700;
  color: #fff;
}

.cl-title {
  font-size: clamp(18px, 2.604vw, 50px);
  font-weight: 700;
  line-height: 1.17;
  color: #fff;
}

.cl-sub {
  /* 20px @ 1920 = 1.042vw */
  font-size: clamp(9px, 1.042vw, 20px);
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
  text-transform: uppercase;
}

.cl-label {
  font-size: clamp(9px, 1.042vw, 20px);
  font-weight: 600;
  line-height: 1.3;
  color: #999999;
}

.cl-value {
  font-size: clamp(9px, 1.042vw, 20px);
  font-weight: 600;
  line-height: 1.3;
  color: #fff;
}

/* ── Download Section ── */
.download-section {
  background: #F8F6F6;
  color: var(--black);
  width: 100%;
  padding: 80px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(16px, 2vw, 36px);
}

.download-label {
  font-size: clamp(9px, 0.625vw, 12px);
  font-weight: 500;
  letter-spacing: 0.25em;
  opacity: 0.4;
  text-transform: uppercase;
}

.download-title {
  font-size: clamp(24px, 3.125vw, 60px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.download-desc {
  font-size: clamp(10px, 0.729vw, 14px);
  opacity: 0.5;
  line-height: 1.6;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(10px, 0.625vw, 12px);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1.5px solid var(--black);
  padding: clamp(12px, 1.25vw, 24px) clamp(24px, 2.5vw, 48px);
  transition: background 0.2s, color 0.2s;
}

.download-btn:hover {
  background: var(--black);
  color: var(--white);
}

.download-btn svg { flex-shrink: 0; }

/* ── Footer ── */
.footer {
  background: #000000;
  color: var(--white);
  padding: 24px var(--col-margin);
  font-size: 10px;
  letter-spacing: 0.1em;
  opacity: 0.3;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .hero-corner.mid-left,
  .hero-corner.mid-right { display: none; }
}