@import url('https://fonts.googleapis.com/css2?family=Itim&family=Patrick+Hand&display=swap');

:root {
  --bg-paper: #fdfbf7;
  --fg-pencil: #2d2d2d;
  --muted-paper: #e5e0d8;
  --accent-red: #ff4d4d;
  --accent-blue: #2d5da1;
  --postit-yellow: #fff9c4;
  --postit-pink: #ffd1dc;
  
  --font-heading: 'Itim', cursive, sans-serif;
  --font-body: 'Patrick Hand', cursive, sans-serif;
  
  --wobbly-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  --wobbly-md-radius: 20px 180px 15px 190px / 185px 20px 170px 15px;
  --wobbly-sm-radius: 120px 20px 100px 30px / 25px 115px 20px 105px;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-paper);
  background-image: radial-gradient(var(--muted-paper) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--fg-pencil);
  font-family: var(--font-body);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 1.25rem;
  user-select: none;
  -webkit-user-select: none;
}

input, textarea, select {
  user-select: text !important;
  -webkit-user-select: text !important;
}

/* Custom cursor only on hover-capable devices */
@media (hover: hover) {
  body {
    cursor: none;
  }
  
  a, button, select, input, textarea, label {
    cursor: none !important;
  }
  
  .custom-cursor {
    width: 28px;
    height: 28px;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 99999;
    /* Hand drawn pen image */
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 24 24' fill='none' stroke='%232d2d2d' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><path d='M12 20h9'/><path d='M16.5 3.5a2.12 2.12 0 0 1 3 3L7 19l-4 1 1-4Z'/></svg>");
    background-size: contain;
    background-repeat: no-repeat;
    transform: translate(-2px, -24px) rotate(0deg);
    transition: transform 0.05s ease-out;
  }
  
  .custom-cursor.clicking {
    transform: translate(-2px, -24px) rotate(-15deg) scale(0.85);
  }
}

/* Layout Elements */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--fg-pencil);
  margin-top: 0;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.text-center { text-align: center; }

/* Header & Navigation */
header {
  border-bottom: 3px dashed var(--fg-pencil);
  padding: 1rem 0;
  background-color: var(--bg-paper);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .container {
  max-width: 1300px;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.menu-toggle {
  display: none;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--fg-pencil);
  transform: rotate(-1deg);
  transition: transform 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-link:hover {
  transform: scale(1.05) rotate(1deg);
}

.logo-img {
  height: 50px;
  width: auto;
  border: 2px solid var(--fg-pencil);
  border-radius: var(--wobbly-sm-radius);
  background: #ffffff;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  color: var(--fg-pencil);
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.15rem;
  position: relative;
  padding: 0.2rem 0.4rem;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 3px;
  bottom: 0;
  left: 0;
  background-color: var(--accent-blue);
  transform-origin: bottom right;
  transition: transform 0.25s ease-out;
  border-radius: 4px;
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

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

.sound-toggle-btn {
  background: none;
  border: 2px solid var(--fg-pencil);
  border-radius: var(--wobbly-sm-radius);
  padding: 0.4rem 0.8rem;
  font-family: var(--font-body);
  font-weight: bold;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 2px 2px 0px var(--fg-pencil);
  transition: all 0.1s ease;
}

.sound-toggle-btn:hover {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--fg-pencil);
  background-color: var(--muted-paper);
}

.sound-toggle-btn.active {
  background-color: var(--accent-blue);
  color: white;
}

/* Wobbly Elements */
.wobbly-box {
  border: 3px solid var(--fg-pencil);
  border-radius: var(--wobbly-radius);
  background-color: #ffffff;
  padding: 2rem;
}

.wobbly-box-md {
  border: 3px solid var(--fg-pencil);
  border-radius: var(--wobbly-md-radius);
  background-color: #ffffff;
  padding: 1.5rem;
}

.wobbly-box-sm {
  border: 2.5px solid var(--fg-pencil);
  border-radius: var(--wobbly-sm-radius);
  background-color: #ffffff;
  padding: 1rem;
}

/* Shadows */
.hard-shadow {
  box-shadow: 4px 4px 0px 0px var(--fg-pencil);
}

.hard-shadow-lg {
  box-shadow: 8px 8px 0px 0px var(--fg-pencil);
}

.hard-shadow-sm {
  box-shadow: 2.5px 2.5px 0px 0px var(--fg-pencil);
}

/* Tape and Tack Effects */
.tape-effect {
  position: relative;
}

.tape-effect::before {
  content: '';
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%) rotate(-2.5deg);
  width: 90px;
  height: 26px;
  background-color: rgba(229, 224, 216, 0.75);
  border-left: 2px dashed rgba(45, 45, 45, 0.25);
  border-right: 2px dashed rgba(45, 45, 45, 0.25);
  z-index: 5;
}

.pin-effect {
  position: relative;
}

.pin-effect::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  background-color: var(--accent-red);
  border: 2.5px solid var(--fg-pencil);
  border-radius: 50%;
  box-shadow: 2.5px 2.5px 0px var(--fg-pencil);
  z-index: 5;
}

/* Buttons */
.btn-wobbly {
  font-family: var(--font-body);
  font-weight: bold;
  background-color: #ffffff;
  color: var(--fg-pencil);
  border: 3px solid var(--fg-pencil);
  border-radius: var(--wobbly-sm-radius);
  padding: 0.8rem 1.8rem;
  font-size: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  text-decoration: none;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  box-shadow: 5px 5px 0px 0px var(--fg-pencil);
}

.btn-primary:hover {
  background-color: var(--accent-red);
  color: #ffffff;
  box-shadow: 2px 2px 0px 0px var(--fg-pencil);
  transform: translate(3px, 3px);
}

.btn-primary:active {
  box-shadow: 0px 0px 0px 0px var(--fg-pencil);
  transform: translate(5px, 5px);
}

.btn-secondary {
  box-shadow: 5px 5px 0px 0px var(--fg-pencil);
  background-color: var(--muted-paper);
}

.btn-secondary:hover {
  background-color: var(--accent-blue);
  color: #ffffff;
  box-shadow: 2px 2px 0px 0px var(--fg-pencil);
  transform: translate(3px, 3px);
}

.btn-secondary:active {
  box-shadow: 0px 0px 0px 0px var(--fg-pencil);
  transform: translate(5px, 5px);
}

/* Icon Wrap helper */
.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 2.5px solid var(--fg-pencil);
  border-radius: 50% 45% 52% 48% / 48% 52% 45% 50%; /* Wobbly circle */
  background-color: #ffffff;
  padding: 6px;
  transition: transform 0.2s ease;
}

.icon-circle.accent-red {
  background-color: rgba(255, 77, 77, 0.1);
  color: var(--accent-red);
}

.icon-circle.accent-blue {
  background-color: rgba(45, 93, 161, 0.1);
  color: var(--accent-blue);
}

/* Sections */
section {
  padding: 4.5rem 0;
}

/* Hero Section */
.hero {
  padding: 3.5rem 0 5rem 0;
  position: relative;
  overflow: visible;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-tag {
  background-color: var(--postit-yellow);
  display: inline-block;
  padding: 0.3rem 0.8rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
  transform: rotate(-2deg);
  border: 2px dashed var(--fg-pencil);
}

.hero-title {
  font-size: 4.2rem;
  margin-bottom: 0.8rem;
  line-height: 1.1;
  position: relative;
}

.hero-title span.title-primary {
  display: block;
  font-size: 4.5rem;
  color: var(--accent-blue);
  transform: rotate(-0.5deg);
}

.hero-title span.title-sub {
  display: inline-block;
  font-size: 2.4rem;
  color: var(--accent-red);
  transform: rotate(1.5deg);
  margin-left: 2rem;
}

.hero-description {
  font-size: 1.4rem;
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-ctas {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  position: relative;
}

.arrow-cta {
  position: absolute;
  left: 240px;
  bottom: -90px;
  width: 90px;
  height: 90px;
  transform: rotate(15deg);
  pointer-events: none;
}

.hero-visual {
  position: relative;
}

.hero-image-wrapper {
  background: white;
  padding: 1rem;
  border: 3px solid var(--fg-pencil);
  border-radius: var(--wobbly-md-radius);
  box-shadow: 10px 10px 0px var(--fg-pencil);
  transform: rotate(2deg);
  transition: transform 0.3s ease;
}

.hero-image-wrapper:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-image {
  width: 100%;
  height: auto;
  border: 2.5px solid var(--fg-pencil);
  border-radius: 4px;
  display: block;
}

/* Floating Elements */
.badge-popular {
  position: absolute;
  top: -20px;
  right: -20px;
  background-color: var(--accent-red);
  color: white;
  font-family: var(--font-heading);
  padding: 0.5rem 1rem;
  font-size: 1.1rem;
  border: 2.5px solid var(--fg-pencil);
  border-radius: var(--wobbly-sm-radius);
  transform: rotate(8deg);
  box-shadow: 3px 3px 0px var(--fg-pencil);
  z-index: 10;
  animation: gentle-bounce 3s infinite ease-in-out;
}

/* About & Stats Section */
.about {
  background-color: rgba(229, 224, 216, 0.25);
  border-top: 3px dashed var(--fg-pencil);
  border-bottom: 3px dashed var(--fg-pencil);
}

.quote-box {
  max-width: 800px;
  margin: 0 auto 3.5rem auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 1.5rem 1rem;
  transition: all 0.2s ease;
}

.stat-card:hover {
  transform: scale(1.07) rotate(2deg) translate(-3px, -3px) !important;
  box-shadow: 6px 6px 0px var(--fg-pencil) !important;
  background-color: var(--postit-yellow) !important;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  color: var(--accent-blue);
  line-height: 1.1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 1.2rem;
  font-weight: bold;
}

/* Chapters Section */
.chapters-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 3rem;
}

.sticky-note {
  background-color: var(--postit-yellow);
  padding: 2rem 1.5rem 1.5rem 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sticky-note:nth-child(2), .sticky-note:nth-child(5) {
  background-color: var(--postit-pink);
}

.sticky-note:nth-child(3), .sticky-note:nth-child(6) {
  background-color: #d1f2d9; /* Post-it Green variant */
}

.sticky-note:nth-child(3n+1) { transform: rotate(-1.5deg); }
.sticky-note:nth-child(3n+2) { transform: rotate(1deg); }
.sticky-note:nth-child(3n+3) { transform: rotate(-2deg); }

.sticky-note:hover {
  transform: scale(1.04) rotate(0deg) !important;
  box-shadow: 8px 8px 0px 0px var(--fg-pencil) !important;
  z-index: 10;
}

.chapter-num {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--accent-red);
  margin-bottom: 0.5rem;
  border-bottom: 2px dashed rgba(45,45,45,0.2);
  padding-bottom: 0.3rem;
}

.chapter-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
  line-height: 1.2;
}

.chapter-desc {
  font-size: 1.1rem;
  flex-grow: 1;
}

/* Interactive Planner Section */
.planner {
  background-color: rgba(255, 249, 196, 0.15);
  border-top: 3px dashed var(--fg-pencil);
  border-bottom: 3px dashed var(--fg-pencil);
}

.planner-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
  align-items: start;
}

.planner-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-label {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--accent-blue);
}

.grade-selectors {
  display: flex;
  gap: 0.8rem;
}

.grade-btn {
  background: white;
  border: 2.5px solid var(--fg-pencil);
  border-radius: var(--wobbly-sm-radius);
  padding: 0.5rem 1rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  box-shadow: 3px 3px 0px var(--fg-pencil);
  cursor: pointer;
  flex-grow: 1;
  transition: all 0.1s ease;
}

.grade-btn:hover:not(.active) {
  background-color: var(--muted-paper);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px var(--fg-pencil);
}

.grade-btn.active {
  background-color: var(--postit-yellow);
  box-shadow: 1px 1px 0px var(--fg-pencil);
  transform: translate(2px, 2px);
}

.lesson-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 0.8rem;
}

.lesson-item {
  background: white;
  border: 2.5px solid var(--fg-pencil);
  border-radius: var(--wobbly-md-radius);
  padding: 1rem;
  font-family: var(--font-body);
  font-weight: bold;
  font-size: 1.2rem;
  text-align: left;
  box-shadow: 4px 4px 0px var(--fg-pencil);
  cursor: pointer;
  transition: all 0.1s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lesson-item:hover {
  transform: translate(1px, 1px);
  box-shadow: 3px 3px 0px var(--fg-pencil);
  background-color: var(--muted-paper);
}

.lesson-item.active {
  background-color: var(--accent-blue);
  color: white;
  box-shadow: 1px 1px 0px var(--fg-pencil);
  transform: translate(3px, 3px);
}

.lesson-item .lesson-badge {
  font-size: 0.9rem;
  font-family: var(--font-heading);
  background: var(--postit-yellow);
  color: var(--fg-pencil);
  padding: 0.1rem 0.5rem;
  border: 1.5px solid var(--fg-pencil);
  border-radius: 4px;
}

.lesson-item.active .lesson-badge {
  background: white;
}

/* Planner Content Board */
.planner-board {
  background: white;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  position: relative;
  transform: rotate(0.5deg);
}

.board-spiral {
  position: absolute;
  top: -12px;
  left: 5%;
  right: 5%;
  height: 24px;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  z-index: 10;
}

.spiral-ring {
  width: 14px;
  height: 24px;
  border: 2.5px solid var(--fg-pencil);
  border-radius: 7px;
  background: var(--muted-paper);
}

.board-header {
  border-bottom: 2.5px dashed var(--fg-pencil);
  padding: 2rem 2rem 1rem 2rem;
  background: #fffdf9;
}

.board-title {
  font-size: 2rem;
  color: var(--accent-blue);
  margin-bottom: 0.2rem;
}

.board-subtitle {
  font-size: 1.15rem;
  color: var(--accent-red);
  font-weight: bold;
}

.board-body {
  padding: 2rem;
  flex-grow: 1;
}

.board-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: #777;
  text-align: center;
  padding: 4rem 2rem;
}

.board-empty-icon {
  margin-bottom: 1rem;
}

.step-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-top: 1rem;
}

.step-card {
  background: #faf8f5;
  border: 2px solid var(--fg-pencil);
  border-radius: var(--wobbly-md-radius);
  padding: 1rem;
  position: relative;
  transition: transform 0.2s ease;
}

.step-card:nth-child(even) {
  transform: rotate(-1deg);
}
.step-card:nth-child(odd) {
  transform: rotate(1.5deg);
}

.step-card:hover {
  transform: scale(1.03) rotate(0deg);
  box-shadow: 4px 4px 0px rgba(45,45,45,0.15);
}

.step-num {
  position: absolute;
  top: -10px;
  left: 10px;
  width: 26px;
  height: 26px;
  background: var(--accent-red);
  color: white;
  border: 2px solid var(--fg-pencil);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.9rem;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-top: 0.6rem;
  margin-bottom: 0.4rem;
  color: var(--fg-pencil);
}

.step-desc {
  font-size: 0.95rem;
  line-height: 1.4;
}

.board-footer {
  border-top: 2px dashed var(--fg-pencil);
  padding: 1.2rem 2rem;
  background: #faf8f5;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Members Section */
.members-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 3rem;
}

.member-card {
  text-align: center;
  padding: 2.2rem 1.5rem;
  background: #ffffff;
  transition: all 0.25s ease;
}

.member-card:hover {
  transform: scale(1.06) rotate(-1.5deg) translate(-3px, -3px) !important;
  box-shadow: 6px 6px 0px var(--fg-pencil) !important;
  background-color: var(--postit-pink) !important;
}

.member-card:nth-child(even):hover {
  transform: scale(1.06) rotate(1.5deg) translate(-3px, -3px) !important;
  background-color: var(--postit-yellow) !important;
}

.member-avatar {
  width: 75px;
  height: 75px;
  margin: 0 auto 1.2rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--fg-pencil);
  border: 2.5px solid var(--fg-pencil);
  border-radius: 50% 45% 52% 48% / 48% 52% 45% 50%;
  background: var(--bg-paper);
}

.member-avatar.accent-blue {
  background-color: rgba(45, 93, 161, 0.1);
  color: var(--accent-blue);
}

.member-avatar.accent-red {
  background-color: rgba(255, 77, 77, 0.1);
  color: var(--accent-red);
}

.member-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
  color: var(--fg-pencil);
}

/* Gallery / Polaroid Section */
.gallery-section {
  position: relative;
}

.polaroid-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.polaroid-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.polaroid-frame {
  background-color: #ffffff;
  padding: 1rem 1rem 3.5rem 1rem;
  border: 3.5px solid var(--fg-pencil);
  border-radius: 2px;
  box-shadow: 10px 10px 0px var(--fg-pencil);
  transition: transform 0.3s ease;
  width: 100%;
  max-width: 400px;
}

.polaroid-frame img {
  width: 100%;
  height: 270px;
  object-fit: cover;
  border: 2.5px solid var(--fg-pencil);
  display: block;
}

.polaroid-caption {
  font-family: var(--font-heading);
  text-align: center;
  margin-top: 1.5rem;
  font-size: 1.4rem;
  color: var(--fg-pencil);
}

.polaroid-wrap:nth-child(1) .polaroid-frame {
  transform: rotate(-3deg);
}

.polaroid-wrap:nth-child(2) .polaroid-frame {
  transform: rotate(3deg);
}

.polaroid-frame:hover {
  transform: rotate(0deg) scale(1.03) !important;
}

/* Download & Feedback Section */
.download-feedback {
  background-color: rgba(229, 224, 216, 0.2);
  border-top: 3px dashed var(--fg-pencil);
}

.download-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

.download-info-row {
  display: flex;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

/* Guestbook Board */
.guestbook-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.guestbook-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: white;
}

.form-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 0.2rem;
  color: var(--accent-blue);
}

.form-inputs {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.form-input {
  font-family: var(--font-body);
  font-size: 1.2rem;
  border: 2.5px solid var(--fg-pencil);
  border-radius: var(--wobbly-sm-radius);
  padding: 0.6rem 1rem;
  background: #ffffff;
  color: var(--fg-pencil);
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(45, 93, 161, 0.15);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.guestbook-board {
  border: 3px dashed var(--fg-pencil);
  border-radius: var(--wobbly-md-radius);
  padding: 1.5rem;
  min-height: 450px;
  max-height: 650px;
  overflow-y: auto;
  background: #fcfaf5;
  position: relative;
}

.guestbook-board::before {
  content: "Bảng lưu niệm ý kiến giáo viên";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-5deg);
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: rgba(45, 45, 45, 0.08);
  pointer-events: none;
  text-align: center;
  width: 80%;
  z-index: 1;
}

.notes-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  position: relative;
  z-index: 2;
}

.visitor-note {
  background: var(--postit-yellow);
  padding: 1rem;
  font-size: 1.05rem;
  border: 2px solid var(--fg-pencil);
  position: relative;
  transition: transform 0.2s ease;
}

.visitor-note.pink { background-color: var(--postit-pink); }
.visitor-note.green { background-color: #d1f2d9; }

.visitor-note:hover {
  transform: scale(1.05) rotate(0deg) !important;
  box-shadow: 4px 4px 0px var(--fg-pencil);
  z-index: 10;
}

.note-text {
  margin-bottom: 0.6rem;
  font-style: italic;
  line-height: 1.4;
}

.note-author {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  text-align: right;
  color: var(--accent-blue);
}

/* Speech bubbles and comments */
.testimonial-speech {
  max-width: 500px;
  margin: 0 auto;
}

/* Footer */
footer {
  border-top: 3px dashed var(--fg-pencil);
  padding: 3rem 0;
  text-align: center;
  background-color: var(--bg-paper);
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--fg-pencil);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.footer-link {
  color: var(--fg-pencil);
  text-decoration: none;
  font-weight: bold;
}

.footer-link:hover {
  text-decoration: line-through;
  color: var(--accent-red);
}

.footer-credits {
  font-size: 1.05rem;
  color: #666;
}

.footer-credits p {
  margin: 0.3rem 0;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--fg-pencil);
  text-decoration: none;
  font-weight: bold;
  font-size: 1.25rem;
  border: 2.5px solid var(--fg-pencil);
  border-radius: var(--wobbly-sm-radius);
  padding: 0.5rem 1.2rem;
  background-color: #ffffff;
  box-shadow: 4px 4px 0px var(--fg-pencil);
  transition: transform 0.08s ease, box-shadow 0.08s ease, background-color 0.15s ease, color 0.15s ease;
}

.footer-social-link:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--fg-pencil);
}

.footer-social-link.facebook:hover {
  background-color: var(--accent-blue);
  color: #ffffff;
}

.footer-social-link.tiktok:hover {
  background-color: var(--accent-red);
  color: #ffffff;
}

/* Animations */
@keyframes gentle-bounce {
  0%, 100% { transform: translateY(0) rotate(8deg); }
  50% { transform: translateY(-8px) rotate(6deg); }
}

/* Responsive Styles */
@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-title {
    font-size: 3.2rem;
  }
  .hero-title span.title-primary {
    font-size: 3.5rem;
  }
  .hero-title span.title-sub {
    font-size: 1.9rem;
    margin-left: 0;
    display: block;
    margin-top: 0.4rem;
  }
  .arrow-cta {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .chapters-grid {
    grid-template-columns: 1fr 1fr;
  }
  .step-flow {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mobile Hamburger Nav Styles */
  .header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
  }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 32px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
  }
  .menu-toggle .bar {
    display: block;
    height: 3.5px;
    width: 100%;
    background-color: var(--fg-pencil);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  /* Active Hamburger to 'X' */
  .menu-toggle.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
  header nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-paper);
    border-top: 3px dashed var(--fg-pencil);
    border-bottom: 3px dashed var(--fg-pencil);
    padding: 2rem 1.5rem;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    z-index: 999;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  }
  header nav.active {
    display: flex;
  }
  
  .members-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  section {
    padding: 3rem 0;
  }
  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .chapters-grid {
    grid-template-columns: 1fr;
  }
  .polaroid-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .step-flow {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .board-footer {
    flex-direction: column;
    gap: 0.8rem;
    align-items: flex-start;
  }
  .notes-container {
    grid-template-columns: 1fr;
  }
  .guestbook-board {
    min-height: 300px;
    max-height: 450px;
  }
  .download-info-row {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.2rem;
  }
  .download-info-row .book-img {
    transform: none !important;
    margin: 0 auto;
  }
  .members-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .member-card {
    padding: 1.5rem 1rem;
  }
  .member-avatar {
    width: 60px;
    height: 60px;
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
  }
  .member-name {
    font-size: 1.25rem;
  }
  .grade-selectors {
    flex-wrap: wrap;
    gap: 0.6rem;
  }
  .grade-btn {
    flex: 1 1 80px;
    font-size: 1.05rem;
    padding: 0.4rem 0.8rem;
  }
  .footer-links {
    flex-wrap: wrap;
    gap: 1.2rem;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.4rem;
  }
  .hero-title span.title-primary {
    font-size: 2.5rem;
  }
  .hero-title span.title-sub {
    font-size: 1.5rem;
  }
  .quote-box h3 {
    font-size: 1.5rem !important;
  }
  .quote-box p {
    font-size: 1.1rem !important;
  }
  .stats-grid {
    gap: 1.2rem;
  }
  .wobbly-box {
    padding: 1.2rem;
  }
  .wobbly-box-md {
    padding: 1rem;
  }
  .wobbly-box-sm {
    padding: 0.8rem;
  }
  .btn-wobbly {
    font-size: 1.1rem;
    padding: 0.6rem 1.2rem;
  }
  .footer-links {
    flex-direction: column;
    gap: 0.8rem;
    align-items: center;
  }
}





/* Scroll Animation classes */
.reveal {
  opacity: 0;
  transform: translateY(30px) scale(0.98);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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