@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;500&display=swap');

:root {
  --bg: #f5f5f5;
  --fg: #111111;
  --muted: rgba(0, 0, 0, 0.6);
  --accent: #3b82f6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
}

@media (min-width: 1101px) {
  body.email-open {
    overflow: hidden;
  }
}

html {
  scroll-behavior: auto;
}

.page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  background: var(--bg);
  position: relative;
}

.left {
  position: relative;
  width: 50%;
  padding: clamp(28px, 4vw, 48px);
  background: var(--bg);
  color: var(--fg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
}

.right-placeholder {
  width: 50%;
}

.right-wrap {
  position: fixed;
  top: 0;
  right: 0;
  width: 50vw;
  height: 100vh;
  height: 100dvh;
  z-index: 40;
  --rw-x: 0px;
  --rw-y: 0px;
  transform: translate(var(--rw-x), var(--rw-y));
  transform-origin: center;
  will-change: transform;
  backface-visibility: hidden;
  transform-style: preserve-3d;
}

.right {
  width: 100%;
  height: 100%;
  position: relative;
  background: var(--bg);
}

.header h1 {
  font-size: 18px;
  font-weight: 400;
  margin: 0 0 32px 0;
}

.name-block h2,
.name-block h3 {
  font-size: 18px;
  font-weight: 400;
  margin: 0;
}

.typing {
  position: relative;
  display: inline-block;
  min-height: 1.2em;
}

.typing::after {
  content: "";
}

.pulse {
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}

.experience {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  color: var(--muted);
  font-size: 16px;
}

.row h3 {
  margin: 0;
  color: var(--fg);
  font-size: 18px;
  font-weight: 400;
}

.project-list {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 12px;
}

.project-card {
  width: 190px;
  flex: 1 1 190px;
  min-height: 130px;
  border: 1px solid color-mix(in srgb, var(--fg) 18%, transparent);
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg) 86%, white 14%);
  color: var(--fg);
  text-decoration: none;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.project-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--fg) 38%, transparent);
  background: color-mix(in srgb, var(--bg) 75%, white 25%);
}

.project-name {
  color: var(--fg);
  font-size: 16px;
}

.project-desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 18px;
  color: var(--fg);
}

.footer-links a {
  color: inherit;
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-links .email-link {
  color: inherit;
  background: transparent;
  border: 0;
  font: inherit;
  padding: 0;
  cursor: pointer;
}

.footer-links .email-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.canvas-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.canvas-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
}

body.about-open .left {
  opacity: 0;
  pointer-events: none;
}

body.about-closing .left {
  opacity: 1;
  pointer-events: auto;
}


.about-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 50%;
  height: 100vh;
  background: var(--bg);
  color: var(--fg);
  padding: 64px 56px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(20px);
  transition: opacity 1.1s ease, transform 1.2s ease;
  z-index: 45;
}

body.about-open .about-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
  transition-delay: 0.2s;
}

body.about-closing .about-panel {
  opacity: 0;
  pointer-events: none;
  transform: translateX(20px);
  transition: opacity 0.3s ease;
  z-index: 30;
}

.about-content {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
}

.about-content h2 {
  font-size: 20px;
  font-weight: 400;
  margin: 0 0 16px 0;
}

.about-content p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 14px 0;
}

.about-content p:first-of-type {
  font-size: 16px;
  color: var(--fg);
  margin-bottom: 10px;
}

.back-btn {
  margin-top: 8px;
  border: 1px solid color-mix(in srgb, var(--fg) 40%, transparent);
  background: transparent;
  color: var(--fg);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
}

.back-btn:hover {
  background: var(--fg);
  color: var(--bg);
}

.back-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.email-section {
  min-height: 0;
  height: 0;
  display: flex;
  gap: 0;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  border-top: 0;
  opacity: 0;
  transform: translateY(18px);
  visibility: hidden;
  pointer-events: none;
  overflow: hidden;
  transition: opacity 0.45s ease, transform 0.55s ease, visibility 0s linear 0.55s;
}

.email-section.open {
  min-height: 100vh;
  min-height: 100dvh;
  height: auto;
  gap: 28px;
  padding: 44px clamp(16px, 4vw, 48px);
  border-top: 1px solid color-mix(in srgb, var(--fg) 12%, transparent);
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.45s ease, transform 0.55s ease;
}

.back-top {
  position: fixed;
  left: 25%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid color-mix(in srgb, var(--fg) 40%, transparent);
  background: var(--bg);
  color: var(--fg);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.back-top.show {
  opacity: 1;
  pointer-events: auto;
}

.back-top:hover {
  background: var(--fg);
  color: var(--bg);
}

.email-left {
  width: min(48%, 520px);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 250px;
  padding: 0;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease 0.08s, transform 0.5s ease 0.08s;
}

.email-right {
  width: min(52%, 560px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0;
}

.ascii-cube {
  font-family: "IBM Plex Mono", monospace;
  font-size: 8px;
  line-height: 8px;
  letter-spacing: 0;
  color: var(--fg);
  opacity: 0.85;
  user-select: none;
  margin: 0;
  white-space: pre;
  transform: scale(0.76);
  transform-origin: center;
  overflow: hidden;
}


.email-card {
  width: 100%;
  max-width: 520px;
  border: 1px solid color-mix(in srgb, var(--fg) 18%, transparent);
  border-radius: 14px;
  padding: 30px;
  background: color-mix(in srgb, var(--bg) 80%, white 20%);
  transform: translateY(16px);
  opacity: 0;
  transition: transform 0.6s ease, opacity 0.6s ease;
}

.email-section.open .email-left {
  opacity: 1;
  transform: translateY(0);
}

.email-section.open .email-card {
  transform: translateY(0);
  opacity: 1;
}

.email-card h2 {
  margin: 0 0 8px 0;
  font-size: 20px;
  font-weight: 400;
}

.email-card p {
  margin: 0 0 24px 0;
  color: var(--muted);
  font-size: 14px;
}

.email-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.email-form label {
  font-size: 14px;
}

.email-form input,
.email-form textarea {
  width: 100%;
  border: 1px solid color-mix(in srgb, var(--fg) 18%, transparent);
  background: transparent;
  color: var(--fg);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 16px;
  outline: none;
}

.email-form input:focus,
.email-form textarea:focus {
  border-color: color-mix(in srgb, var(--fg) 45%, transparent);
}

.email-form button {
  margin-top: 4px;
  border: 1px solid color-mix(in srgb, var(--fg) 40%, transparent);
  background: transparent;
  color: var(--fg);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.email-form button:hover {
  background: var(--fg);
  color: var(--bg);
}

.email-back-btn {
  display: none;
  margin-top: 2px;
  border: 1px solid color-mix(in srgb, var(--fg) 26%, transparent);
  background: linear-gradient(
    120deg,
    color-mix(in srgb, var(--bg) 92%, white 8%) 0%,
    color-mix(in srgb, var(--bg) 78%, white 22%) 100%
  );
  color: var(--fg);
  padding: 12px 14px;
  width: min(240px, 100%);
  font-family: inherit;
  font-size: 15px;
  border-radius: 999px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.email-back-btn:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--fg) 40%, transparent);
  box-shadow: 0 10px 28px color-mix(in srgb, var(--fg) 14%, transparent);
}

.email-back-btn:active {
  transform: translateY(0);
}

.email-back-btn::before {
  content: "←";
  margin-right: 8px;
  display: inline-block;
  transition: transform 0.25s ease;
}

.email-back-btn:hover::before {
  transform: translateX(-3px);
}

.grain {
  position: absolute;
  inset: -200%;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="120" height="120" viewBox="0 0 120 120"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="1" stitchTiles="stitch"/></filter><rect width="120" height="120" filter="url(%23n)" opacity="0.35"/></svg>');
  mix-blend-mode: soft-light;
  animation: grain 2.5s steps(5) infinite;
  pointer-events: none;
}

@keyframes grain {
  0% { transform: translate(0, 0); }
  20% { transform: translate(-5%, -10%); }
  40% { transform: translate(-15%, 5%); }
  60% { transform: translate(5%, -5%); }
  80% { transform: translate(10%, 10%); }
  100% { transform: translate(0, 0); }
}

@media (max-width: 1100px) {
  .page {
    display: block;
    min-height: auto;
    margin-top: clamp(200px, 40svh, 340px);
  }

  .left,
  .right,
  .right-wrap,
  .about-panel {
    width: 100%;
  }

  .left {
    min-height: auto;
    gap: 36px;
    padding: 34px 22px 30px;
    padding-left: max(22px, env(safe-area-inset-left));
    padding-right: max(22px, env(safe-area-inset-right));
    align-items: center;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
  }

  .right-placeholder {
    display: none;
  }

  .right {
    min-height: clamp(200px, 40svh, 340px);
  }

  .right-wrap {
    position: absolute;
    top: 0;
    right: 0;
    bottom: auto;
    left: 0;
    z-index: 1;
    height: clamp(200px, 40svh, 340px);
    transform: none !important;
  }

  .about-panel {
    padding: 30px 20px;
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }

  .about-content {
    top: auto;
    transform: none;
    padding-top: 12vh;
    max-width: 680px;
  }

  .footer-links {
    gap: 12px;
    font-size: 16px;
    width: 100%;
    max-width: 420px;
    margin-top: 10px;
  }

  .project-list,
  .footer-links {
    flex-direction: column;
    align-items: center;
  }

  .experience,
  .row,
  .project-list {
    width: 100%;
    max-width: 420px;
  }

  .experience {
    margin-top: 6px;
  }

  .project-card {
    width: 100%;
    min-height: 118px;
    padding: 16px;
    border-radius: 12px;
    align-items: center;
    justify-content: flex-start;
    padding-top: 20px;
    text-align: center;
  }

  .footer-links a,
  .footer-links .email-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    width: 100%;
    border: 1px solid color-mix(in srgb, var(--fg) 22%, transparent);
    border-radius: 999px;
    text-decoration: none;
    background: color-mix(in srgb, var(--bg) 86%, white 14%);
  }

  .row {
    align-items: center;
  }

  .back-top {
    display: none;
  }

  .email-back-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .email-section {
    flex-direction: column;
  }

  .email-section.open {
    flex-direction: column;
    gap: 18px;
    padding: 24px 16px 34px;
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
    padding-bottom: max(34px, env(safe-area-inset-bottom));
  }

  .email-left,
  .email-right {
    width: 100%;
  }

  .email-left {
    min-height: 180px;
    max-width: 420px;
  }

  .email-right {
    min-height: auto;
    max-width: 420px;
    padding: 0;
  }
}

@media (max-width: 640px) {
  .left {
    padding: 24px 16px 22px;
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
    gap: 28px;
    max-width: 480px;
  }

  .header h1,
  .name-block h2,
  .name-block h3,
  .row h3 {
    font-size: 18px;
    line-height: 1.25;
  }

  .row {
    font-size: 15px;
    gap: 12px;
  }

  .project-card {
    width: 100%;
    flex-basis: 100%;
    min-height: 110px;
    padding: 15px 14px;
    padding-top: 19px;
    gap: 8px;
  }

  .project-name {
    font-size: 17px;
  }

  .project-desc {
    font-size: 13px;
    line-height: 1.5;
  }

  .footer-links {
    gap: 10px;
    max-width: 360px;
    margin-top: 8px;
  }

  .footer-links a,
  .footer-links .email-link {
    min-height: 44px;
    font-size: 15px;
    letter-spacing: 0.01em;
  }

  .about-content {
    padding-top: 8vh;
  }

  .about-content h2 {
    font-size: 18px;
  }

  .email-card {
    padding: 20px;
  }

  .ascii-cube {
    transform: scale(0.68);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulse,
  .grain,
  .project-card,
  .email-card,
  .email-left {
    animation: none !important;
    transition: none !important;
  }
}