:root {
  --bijyellow: #f5c542;
  --bijred: #b63a32;
  --bijdark: #222222;
  --bijgrey: #666666;
  --bijlight: #f8f6f0;
  --handwriting: "Comic Sans MS", "Kalam", cursive;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  padding-top: 88px;
  background:
    linear-gradient(rgba(34, 34, 34, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 34, 34, 0.035) 1px, transparent 1px),
    var(--bijlight);
  background-size: 28px 28px;
  color: var(--bijdark);
}

html {
  scroll-padding-top: 110px;
}

section {
  scroll-margin-top: 110px;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 88px;
  padding: 14px clamp(18px, 5vw, 72px);
  border-bottom: 3px solid var(--bijdark);
  background: rgba(248, 246, 240, 0.94);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--bijdark);
  text-decoration: none;
}

.site-logo {
  width: 78px;
  height: 52px;
  object-fit: contain;
  object-position: left center;
}

.brand-text {
  display: grid;
  gap: 2px;
}

.brand-name {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  letter-spacing: 0;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
}

.header-nav a {
  color: var(--bijdark);
  font-size: 0.95rem;
  font-weight: 900;
  text-decoration: none;
}

.header-nav a:hover {
  color: var(--bijred);
}

.home-board {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 88px);
  padding: clamp(36px, 6vw, 72px) clamp(18px, 5vw, 72px);
}

.intro-copy {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: none;
  margin-bottom: clamp(30px, 5vw, 60px);
}

.intro-copy h1 {
  margin: 0;
  max-width: none;
  color: var(--bijdark);
  font-family: var(--handwriting);
  font-size: clamp(2.2rem, 6vw, 5rem);
  line-height: 1.28;
  letter-spacing: 0;
}

.intro-copy p {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--bijgrey);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.85;
}

.sticky-note-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(22px, 4vw, 42px);
}

.sticky-note {
  position: relative;
  min-height: 260px;
  padding: 34px 28px 28px;
  border: 2px solid rgba(34, 34, 34, 0.22);
  box-shadow: 9px 11px 0 rgba(34, 34, 34, 0.18);
}

.sticky-note::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 50%;
  width: 68px;
  height: 18px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(34, 34, 34, 0.12);
  transform: translateX(-50%) rotate(-2deg);
}

.note-label {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--bijred);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sticky-note h2 {
  margin: 0 0 16px;
  color: var(--bijdark);
  font-family: var(--handwriting);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0;
}

.sticky-note p {
  margin: 0;
  color: var(--bijgrey);
  font-family: var(--handwriting);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.55;
}

.note-classic {
  background: var(--bijyellow);
  transform: rotate(-1.5deg);
}

.sticky-note-grid .sticky-note:nth-child(2) {
  transform: rotate(1deg);
}

.sticky-note-grid .sticky-note:nth-child(3) {
  transform: rotate(-0.4deg);
}

.note-classic p {
  color: var(--bijdark);
}

.memo-section,
.content-section {
  position: relative;
  z-index: 1;
  margin-top: clamp(34px, 6vw, 72px);
}

.memo-paper {
  width: min(100%, 920px);
  padding: clamp(32px, 5vw, 56px);
  border: 3px solid var(--bijdark);
  border-radius: 8px;
  background:
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 34px,
      rgba(102, 102, 102, 0.16) 35px
    ),
    #fffdf7;
  box-shadow: 10px 12px 0 rgba(34, 34, 34, 0.16);
}

.content-copy {
  max-width: 920px;
  padding: clamp(34px, 6vw, 64px) 0;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
}

.photo-note {
  position: relative;
  margin-top: clamp(28px, 5vw, 58px);
  padding: 18px 18px 22px;
  border: 2px solid rgba(34, 34, 34, 0.22);
  background: var(--bijyellow);
  box-shadow: 9px 11px 0 rgba(34, 34, 34, 0.18);
  transform: rotate(1.4deg);
}

.photo-note::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 1;
  width: 72px;
  height: 18px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(34, 34, 34, 0.12);
  transform: translateX(-50%) rotate(-2deg);
}

.photo-note img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 2px solid rgba(34, 34, 34, 0.18);
  object-fit: cover;
  object-position: center 42%;
}

.section-divider {
  width: 100%;
  height: 5px;
  background: var(--bijyellow);
}

.work-section {
  position: relative;
  z-index: 1;
  margin-top: clamp(42px, 7vw, 86px);
}

.work-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  padding: clamp(34px, 6vw, 64px) 0;
}

.work-copy {
  max-width: 820px;
}

.section-title {
  max-width: 760px;
  margin-bottom: 26px;
}

.memo-paper h2,
.section-title h2,
.content-copy h2,
.work-copy h2,
.contact-note h2 {
  margin: 0 0 18px;
  color: var(--bijdark);
  font-family: var(--handwriting);
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.memo-paper p,
.content-copy p,
.work-copy p,
.mini-note p,
.contact-note p {
  margin: 0;
  color: var(--bijgrey);
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  font-weight: 700;
  line-height: 1.95;
}

.work-copy p + p {
  margin-top: 18px;
}

.tariff-note {
  position: relative;
  min-height: 300px;
  padding: 54px 32px 32px;
  border: 2px solid rgba(34, 34, 34, 0.22);
  background: var(--bijyellow);
  box-shadow: 12px 14px 0 rgba(34, 34, 34, 0.17);
  transform: rotate(0.8deg);
}

.tariff-note::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 50%;
  width: 88px;
  height: 22px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(34, 34, 34, 0.12);
  transform: translateX(-50%) rotate(-2deg);
}

.tariff-note strong {
  display: block;
  max-width: 210px;
  color: var(--bijred);
  font-family: var(--handwriting);
  font-size: clamp(4.4rem, 9vw, 7.5rem);
  font-weight: 900;
  line-height: 0.82;
}

.tariff-note p {
  margin: 22px 0 0;
  color: var(--bijdark);
  font-family: var(--handwriting);
  font-size: clamp(1.5rem, 3vw, 2.05rem);
  font-weight: 900;
}

.small-note-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 30px);
}

.mini-note {
  min-height: 190px;
  padding: 28px 24px;
  border: 2px solid rgba(34, 34, 34, 0.2);
  background: var(--bijyellow);
  box-shadow: 7px 8px 0 rgba(34, 34, 34, 0.16);
}

.mini-note:nth-child(2) {
  transform: rotate(0.8deg);
}

.mini-note:nth-child(3) {
  transform: rotate(-0.7deg);
}

.mini-note strong {
  display: block;
  margin-bottom: 14px;
  color: var(--bijred);
  font-family: var(--handwriting);
  font-size: 1.75rem;
  line-height: 1.12;
}

.faq-section .memo-paper {
  margin-right: auto;
  margin-left: auto;
}

.faq-section {
  position: relative;
  z-index: 1;
  margin-top: clamp(34px, 6vw, 72px);
}

.faq-content {
  padding: clamp(34px, 6vw, 64px) 0 0;
}

.faq-content h2 {
  margin: 0 0 24px;
  color: var(--bijdark);
  font-family: var(--handwriting);
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 1.12;
  letter-spacing: 0;
}

details {
  border-top: 2px solid rgba(34, 34, 34, 0.18);
  padding: 16px 0;
}

details:first-of-type {
  border-top: 0;
}

summary {
  color: var(--bijdark);
  cursor: pointer;
  font-family: var(--handwriting);
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  font-weight: 900;
  line-height: 1.2;
}

details p {
  margin-top: 10px;
  font-family: var(--handwriting);
}

.contact-note {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: clamp(34px, 6vw, 72px);
  padding: clamp(12px, 3vw, 24px) 0;
}

.whatsapp-button {
  display: inline-flex;
  min-height: 68px;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  padding: 0 34px;
  border: 3px solid var(--bijdark);
  border-radius: 8px;
  background: #fffdf7;
  box-shadow: 4px 4px 0 var(--bijdark);
  color: var(--bijdark);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 900;
  text-decoration: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 5vw, 72px);
  border-top: 3px solid var(--bijdark);
  background: var(--bijyellow);
  color: var(--bijdark);
  font-weight: 900;
}

@media (max-width: 900px) {
  .sticky-note-grid,
  .small-note-grid,
  .about-layout,
  .work-layout {
    grid-template-columns: 1fr;
  }

  .sticky-note,
  .mini-note,
  .photo-note,
  .tariff-note {
    min-height: 220px;
    transform: none;
  }

  .photo-note {
    width: min(100%, 340px);
  }

  .contact-note,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .whatsapp-button {
    width: 100%;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .header-nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }
}