:root {
  --paper: #ffffff;
  --paper-line: rgba(180, 200, 220, 0.25);
  --margin: rgba(200, 80, 80, 0.3);
  --ink: #2b2b2b;
  --ink-light: #888888;
  --ink-faint: #c0c0c0;
  --desk: #e8e8e8;
  --desk-dark: #d0d0d0;
  --tape: rgba(255, 255, 240, 0.5);
  --tape-border: rgba(200, 200, 180, 0.3);
  --shadow: rgba(0, 0, 0, 0.08);
  --yellow: #fffde6;
  --blue: #e8f0f8;
  --green: #e8f4e6;
  --pink: #f8e8ee;
  --orange: #f8f0e4;
  --purple: #f0e8f6;
  --font-hand: 'Caveat', cursive;
  --font-body: 'Nunito', sans-serif;
  --line-height: 2rem;
  --margin-left: 5rem;
  --accent: #c0392b;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 60px;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--desk);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.desk {
  position: fixed;
  inset: 0;
  background: linear-gradient(160deg, var(--desk) 0%, var(--desk-dark) 100%);
  z-index: 0;
}

.notebook {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 780px;
  min-height: 100vh;
  background: var(--paper);
  background-image:
    repeating-linear-gradient(
      transparent,
      transparent calc(var(--line-height) - 1px),
      var(--paper-line) calc(var(--line-height) - 1px),
      var(--paper-line) var(--line-height)
    );
  background-size: 100% var(--line-height);
  background-position-y: 0.5rem;
  box-shadow:
    4px 0 15px var(--shadow),
    -4px 0 15px var(--shadow),
    0 0 40px rgba(0, 0, 0, 0.05);
  padding: 0 2.5rem 0 var(--margin-left);
  transition: transform 0.1s ease;
}

.notebook::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.02'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none;
  z-index: 1;
}

.notebook.shake {
  animation: pageShake 0.5s ease;
}

@keyframes pageShake {
  0%, 100% { transform: translateX(0) rotate(0deg); }
  15% { transform: translateX(-4px) rotate(-0.3deg); }
  30% { transform: translateX(3px) rotate(0.2deg); }
  45% { transform: translateX(-2px) rotate(-0.15deg); }
  60% { transform: translateX(2px) rotate(0.1deg); }
  75% { transform: translateX(-1px); }
}

.fold-crease {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(0, 0, 0, 0.03) 20%,
    rgba(0, 0, 0, 0.05) 50%,
    rgba(0, 0, 0, 0.03) 80%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 3;
}

.holes {
  position: fixed;
  left: 50%;
  transform: translateX(min(-340px, calc(-50vw + 40px)));
  top: 0;
  bottom: 0;
  width: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  padding: 3rem 0;
  z-index: 5;
  pointer-events: none;
}

.holes span {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--desk);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.margin-line {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(min(-300px, calc(-50vw + 80px)));
  width: 2px;
  background: var(--margin);
  z-index: 4;
  pointer-events: none;
}

.dust-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}

.dust {
  position: absolute;
  width: 2px;
  height: 2px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 50%;
  animation: dustFloat linear infinite;
}

@keyframes dustFloat {
  0% { transform: translateY(0) translateX(0) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100vh) translateX(40px) rotate(360deg); opacity: 0; }
}

.coffee-stain {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity 2.5s ease;
}

.coffee-stain.visible {
  opacity: 1;
}

.coffee-stain.fading {
  opacity: 0;
}

.ink-splash {
  position: absolute;
  pointer-events: none;
  z-index: 6;
  opacity: 0;
  animation: splashIn 0.8s ease forwards;
}

.ink-splash svg {
  width: 100%;
  height: 100%;
}

@keyframes splashIn {
  0% { opacity: 0; transform: scale(0.3); }
  30% { opacity: 0.15; transform: scale(1.1); }
  100% { opacity: 0.08; transform: scale(1); }
}

.margin-note {
  position: absolute;
  right: -10px;
  font-family: var(--font-hand);
  font-size: 0.85rem;
  color: var(--accent);
  opacity: 0;
  transform: rotate(-3deg) translateX(10px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
}

.margin-note.visible {
  opacity: 0.35;
  transform: rotate(-3deg) translateX(0);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(var(--paper) 85%, transparent);
  margin: 0 -2.5rem 0 calc(var(--margin-left) * -1);
  padding: 0 2.5rem 0.5rem var(--margin-left);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 0;
  height: calc(var(--line-height) * 2);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  color: var(--ink-light);
  transition: color 0.2s;
}

.nav-toggle:hover {
  color: var(--ink);
}

.nav-toggle-icon {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active .nav-toggle-icon {
  opacity: 0;
  transform: scale(0.5);
  position: absolute;
}

.nav-toggle-close {
  display: none;
  font-family: var(--font-hand);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
}

.nav-toggle.active .nav-toggle-close {
  display: block;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
}

.nav-links a {
  font-family: var(--font-hand);
  font-size: 1.2rem;
  color: var(--ink-light);
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.3s, transform 0.2s;
  display: inline-block;
}

.nav-links a:hover {
  color: var(--ink);
  transform: scale(1.08);
}

.nav-links a:active {
  transform: scale(0.95);
}

.nav-links .fa-external-link-alt {
  font-size: 0.55rem;
  margin-left: 2px;
  opacity: 0.3;
}

.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: 6rem 0 4rem;
}

.hero-text {
  position: relative;
  z-index: 5;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-line {
  font-family: var(--font-hand);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  min-height: 1.3em;
  overflow: hidden;
  position: relative;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: none;
  white-space: normal;
}

.hero-line .word {
  display: inline-block;
  white-space: nowrap;
}

.hero-line .char {
  display: inline-block;
}

.hero-line.underline-effect::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0.3;
  animation: underlineDraw 1.2s ease forwards;
}

@keyframes underlineDraw {
  to { width: 100%; }
}

.hero-line.emphasis {
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  transition: font-size 0.5s ease;
}

.hero-choices {
  display: flex;
  gap: 1.2rem;
  margin-top: 2rem;
  position: relative;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-choices.visible {
  opacity: 1;
  pointer-events: all;
}

.hero-choice {
  font-family: var(--font-hand);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: var(--ink-light);
  background: none;
  border: none;
  padding: 0.5rem 1.4rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  animation: choiceFadeIn 0.6s ease forwards;
  transition: color 0.25s, transform 0.2s, filter 0.25s, background 0.3s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  position: relative;
}

.hero-choice::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--ink-faint);
  border-radius: 40% 60% 55% 45% / 55% 45% 60% 40%;
  transition: border-color 0.25s, background 0.3s;
}

.hero-choice:nth-child(2)::before {
  border-radius: 55% 45% 50% 60% / 45% 55% 50% 55%;
}

.hero-choice:nth-child(3)::before {
  border-radius: 50% 60% 45% 55% / 60% 40% 55% 50%;
}

.hero-choice:hover {
  color: var(--ink);
  transform: translateY(-2px);
}

.hero-choice:hover::before {
  border-color: var(--ink-light);
  background: rgba(0, 0, 0, 0.02);
}

.hero-choice:active {
  transform: scale(0.96);
}

.hero-choice.selected {
  color: var(--ink);
}

.hero-choice.selected::before {
  border-color: var(--ink);
  background: rgba(0, 0, 0, 0.04);
}

.hero-choice.rejected {
  text-decoration: line-through;
  opacity: 0.3;
  pointer-events: none;
}

@keyframes choiceFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pen-cursor {
  position: absolute;
  width: 20px;
  height: 20px;
  pointer-events: none;
  z-index: 20;
  opacity: 0;
  transition: opacity 0.3s ease;
  transform: translate(-2px, -18px);
}

.pen-cursor.writing {
  opacity: 0.4;
  animation: penWobble 0.3s ease-in-out infinite;
}

@keyframes penWobble {
  0%, 100% { transform: translate(-2px, -18px) rotate(-1deg); }
  50% { transform: translate(-1px, -17px) rotate(1deg); }
}

.progress-bar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 780px;
  height: 2px;
  z-index: 200;
  background: transparent;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, transparent, var(--ink-faint), transparent);
  transition: width 0.8s ease;
}

.hero-doodles {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 100px;
  height: 180px;
  pointer-events: none;
  z-index: 4;
}

.doodle-arrow {
  position: absolute;
  top: 0;
  right: 0;
  width: 65px;
  opacity: 0;
  transform: rotate(15deg);
  transition: opacity 1s ease;
}

.doodle-arrow.visible { opacity: 0.15; }

.doodle-star {
  position: absolute;
  bottom: 30px;
  right: 10px;
  width: 24px;
  opacity: 0;
  transition: opacity 1s ease;
}

.doodle-star.visible { opacity: 0.12; }

.doodle-circle {
  position: absolute;
  top: 80px;
  right: -8px;
  width: 40px;
  opacity: 0;
  transition: opacity 1s ease;
}

.doodle-circle.visible { opacity: 0.1; }

.doodle-arrow path,
.doodle-star path,
.doodle-circle ellipse {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  transition: stroke-dashoffset 2s ease;
}

.doodle-arrow.visible path,
.doodle-star.visible path,
.doodle-circle.visible ellipse {
  stroke-dashoffset: 0;
}

.personality-card {
  position: relative;
  background: linear-gradient(135deg, rgba(0,0,0,0.02), rgba(0,0,0,0.04));
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 4px;
  padding: 2rem;
  margin-top: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease, transform 1s ease;
  z-index: 10;
}

.personality-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.personality-title {
  font-family: var(--font-hand);
  font-size: 1.1rem;
  color: var(--ink-light);
  margin-bottom: 0.5rem;
}

.personality-result {
  font-family: var(--font-hand);
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
}

.personality-traits {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.trait-tag {
  font-family: var(--font-hand);
  font-size: 0.95rem;
  padding: 0.2rem 0.8rem;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 20px;
  color: var(--ink-light);
  opacity: 0;
  animation: traitFadeIn 0.5s ease forwards;
}

@keyframes traitFadeIn {
  to { opacity: 1; }
}

.signature-svg {
  display: block;
  margin: 1.5rem auto 0;
  width: 200px;
  height: 60px;
}

.signature-svg path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
  animation: signDraw 2.5s ease forwards;
}

@keyframes signDraw {
  to { stroke-dashoffset: 0; }
}

.page-break {
  position: relative;
  height: 3rem;
  margin: 1rem 0;
  overflow: hidden;
}

.tear {
  display: block;
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 0;
  border-top: 1px dashed rgba(0, 0, 0, 0.12);
}

.tear::before {
  content: '✂';
  position: absolute;
  left: 0;
  top: -0.7em;
  font-size: 0.85rem;
  color: rgba(0, 0, 0, 0.15);
}

.links-section {
  padding: 2rem 0 4rem;
  position: relative;
  z-index: 5;
}

.links-section h2 {
  font-family: var(--font-hand);
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2rem;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.sticky-note {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 2.2rem 1rem 1.5rem;
  text-decoration: none;
  color: var(--ink);
  border-radius: 2px;
  box-shadow:
    2px 3px 8px rgba(0, 0, 0, 0.08),
    0 0 1px rgba(0, 0, 0, 0.04);
  transition: transform 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
  cursor: pointer;
  user-select: none;
}

.sticky-note[data-color="yellow"] { background: var(--yellow); }
.sticky-note[data-color="blue"] { background: var(--blue); }
.sticky-note[data-color="green"] { background: var(--green); }
.sticky-note[data-color="pink"] { background: var(--pink); }
.sticky-note[data-color="orange"] { background: var(--orange); }
.sticky-note[data-color="purple"] { background: var(--purple); }

.sticky-note:nth-child(1) { transform: rotate(-2deg) translateY(0) scale(1); }
.sticky-note:nth-child(2) { transform: rotate(1.5deg) translateY(0) scale(1); }
.sticky-note:nth-child(3) { transform: rotate(-1deg) translateY(0) scale(1); }
.sticky-note:nth-child(4) { transform: rotate(2deg) translateY(0) scale(1); }
.sticky-note:nth-child(5) { transform: rotate(-1.5deg) translateY(0) scale(1); }
.sticky-note:nth-child(6) { transform: rotate(0.8deg) translateY(0) scale(1); }

.sticky-note::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 35%;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.03));
  pointer-events: none;
  border-radius: 0 0 2px 2px;
}

.sticky-note:hover {
  transform: rotate(0deg) translateY(-8px) scale(1.06) !important;
  box-shadow:
    4px 10px 22px rgba(0, 0, 0, 0.12),
    0 0 2px rgba(0, 0, 0, 0.04);
  z-index: 2;
}

.sticky-note:active {
  transform: rotate(0deg) translateY(-2px) scale(0.98) !important;
  box-shadow:
    1px 2px 6px rgba(0, 0, 0, 0.1),
    0 0 1px rgba(0, 0, 0, 0.04);
  transition-duration: 0.15s;
}

.sticky-note.peeling {
  animation: peel 0.4s ease-out;
}

@keyframes peel {
  0% { transform: rotate(0deg) translateY(-2px) scale(0.98); }
  50% { transform: rotate(2deg) translateY(-12px) scale(1.08) perspective(500px) rotateX(5deg); }
  100% { transform: rotate(0deg) translateY(-8px) scale(1.06); }
}

.tape {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 55px;
  height: 16px;
  background: var(--tape);
  border: 1px solid var(--tape-border);
  border-radius: 1px;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.sticky-note:hover .tape {
  opacity: 0.5;
}

.sticky-note:nth-child(2) .tape { transform: translateX(-50%) rotate(3deg); }
.sticky-note:nth-child(4) .tape { transform: translateX(-50%) rotate(-4deg); }
.sticky-note:nth-child(5) .tape { transform: translateX(-50%) rotate(2deg); }

.sticky-note i {
  font-size: 1.8rem;
  opacity: 0.6;
  transition: transform 0.3s, opacity 0.3s;
}

.sticky-note:hover i {
  transform: scale(1.2) rotate(-5deg);
  opacity: 0.85;
}

.sticky-note:active i {
  transform: scale(0.9);
}

.note-title {
  font-family: var(--font-hand);
  font-size: 1.4rem;
  font-weight: 600;
  transition: letter-spacing 0.3s;
}

.sticky-note:hover .note-title {
  letter-spacing: 0.03em;
}

.note-desc {
  font-family: var(--font-hand);
  font-size: 1rem;
  opacity: 0.55;
  transition: opacity 0.3s;
}

.sticky-note:hover .note-desc {
  opacity: 0.75;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.links-grid .reveal:nth-child(1) { transition-delay: 0s; }
.links-grid .reveal:nth-child(2) { transition-delay: 0.12s; }
.links-grid .reveal:nth-child(3) { transition-delay: 0.24s; }
.links-grid .reveal:nth-child(4) { transition-delay: 0.36s; }
.links-grid .reveal:nth-child(5) { transition-delay: 0.48s; }
.links-grid .reveal:nth-child(6) { transition-delay: 0.60s; }

.links-grid .sticky-note.reveal.visible:nth-child(1) { transform: rotate(-2deg) translateY(0) scale(1); }
.links-grid .sticky-note.reveal.visible:nth-child(2) { transform: rotate(1.5deg) translateY(0) scale(1); }
.links-grid .sticky-note.reveal.visible:nth-child(3) { transform: rotate(-1deg) translateY(0) scale(1); }
.links-grid .sticky-note.reveal.visible:nth-child(4) { transform: rotate(2deg) translateY(0) scale(1); }
.links-grid .sticky-note.reveal.visible:nth-child(5) { transform: rotate(-1.5deg) translateY(0) scale(1); }
.links-grid .sticky-note.reveal.visible:nth-child(6) { transform: rotate(0.8deg) translateY(0) scale(1); }

.ink-bleed {
  animation: inkReveal 3.5s ease-out forwards;
}

@keyframes inkReveal {
  0% { filter: blur(6px); opacity: 0; }
  20% { filter: blur(4px); opacity: 0.3; }
  50% { filter: blur(2px); opacity: 0.6; }
  75% { filter: blur(0.5px); opacity: 0.85; }
  100% { filter: blur(0px); opacity: 1; }
}

@media (max-width: 860px) {
  :root {
    --margin-left: 3.5rem;
  }

  .notebook {
    max-width: 100%;
    padding-right: 1.5rem;
  }

  .holes {
    transform: translateX(calc(-50vw + 20px));
  }

  .margin-line {
    transform: translateX(calc(-50vw + 56px));
  }
}

@media (max-width: 640px) {
  :root {
    --margin-left: 2.5rem;
    --line-height: 1.8rem;
  }

  .nav-inner {
    justify-content: flex-end;
  }

  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 110;
  }

  .nav-links.open ~ .nav-toggle,
  .nav-toggle.active {
    color: var(--ink);
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--paper);
    padding: 1rem 2rem 1.2rem var(--margin-left);
    gap: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    font-size: 1.3rem;
    padding: 0.2rem 0;
  }

  .notebook {
    padding-right: 1.2rem;
  }

  .holes {
    transform: translateX(calc(-50vw + 10px));
  }

  .holes span {
    width: 14px;
    height: 14px;
  }

  .margin-line {
    transform: translateX(calc(-50vw + 40px));
  }

  .hero {
    min-height: 60vh;
    padding: 4rem 0 3rem;
  }

  .hero-text {
    min-height: 200px;
  }

  .hero-doodles {
    display: none;
  }

  .margin-note {
    display: none;
  }

  .coffee-stain {
    display: none;
  }

  .links-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
  }

  .sticky-note {
    padding: 1.8rem 0.8rem 1.2rem;
  }
}

@media (max-width: 400px) {
  .links-grid {
    grid-template-columns: 1fr;
    max-width: 260px;
  }
}