/* ============================================================
   JIBOCHANG — style.css
   Theme: Warm paper light with porcelain blue + cinnabar red
   ============================================================ */

:root {
  --paper: #FAF7F1;
  --ink: #22303C;
  --porcelain: #1D4E89;
  --porcelain-dark: #163E6E;
  --cinnabar: #B5442E;
  --cinnabar-dark: #9A3A26;
  --pale: #EEF3F9;
  --white: #FFFFFF;
  --hairline: #D8DCE2;
  --hairline-soft: #E4E6EA;
  --muted: #55626E;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--paper);
  overflow-x: hidden;
}

a {
  color: var(--porcelain);
  text-decoration: none;
}

a:hover {
  color: var(--porcelain-dark);
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ FOLDER-TAB NAV ============ */
.tab-nav {
  background-color: var(--paper);
  border-bottom: 1px solid var(--ink);
  position: sticky;
  top: 0;
  z-index: 100;
}

.tab-nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 72px;
}

.tab-nav .brand {
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  color: var(--porcelain);
  padding-bottom: 14px;
  line-height: 1;
}

.tab-nav .brand span {
  color: var(--cinnabar);
}

.nav-links {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 100%;
}

.nav-links a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 20px 16px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  background-color: transparent;
  border: 1px solid var(--ink);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  transform: translateY(0);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-links a::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 10px;
  background-color: var(--ink);
  border-radius: 3px 3px 0 0;
}

.nav-links a:hover {
  color: var(--porcelain);
}

.nav-links a.active {
  background-color: var(--porcelain);
  color: var(--white);
  border-color: var(--porcelain);
}

.nav-links a.active::before {
  background-color: var(--porcelain);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 8px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  margin-bottom: 12px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--ink);
  margin: 5px auto;
  transition: all 0.25s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============ HERO ============ */
.showroom-hero {
  background-color: var(--porcelain);
  padding: 24px;
}

.showroom-hero-frame {
  border: 1px solid var(--white);
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 64px 0;
  position: relative;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.hero-content {
  max-width: 720px;
}

.eyebrow-chip {
  display: inline-block;
  background-color: var(--cinnabar);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 3px;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 3.4rem;
  line-height: 1.1;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.01em;
}

.hero-content .hero-sub {
  color: var(--white);
  font-size: 1.1rem;
  margin-top: 24px;
  max-width: 620px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  display: inline-block;
  padding: 14px 30px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--white);
  color: var(--porcelain);
}

.btn-primary:hover {
  color: var(--porcelain-dark);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline-light:hover {
  background-color: var(--white);
  color: var(--porcelain);
}

.btn-cinnabar {
  background-color: var(--cinnabar);
  color: var(--white);
}

.btn-cinnabar:hover {
  background-color: var(--cinnabar-dark);
  color: var(--white);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
}

.seal-stamp {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.seal-stamp .seal {
  width: 78px;
  height: 78px;
  background-color: var(--cinnabar);
  border: 1px solid var(--white);
  outline: 4px solid var(--cinnabar);
  outline-offset: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  line-height: 1.25;
  padding: 4px;
}

.seal-stamp .seal-orb {
  width: 22px;
  height: 22px;
  background-color: var(--white);
  border-radius: 50%;
}

.quick-facts {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--white);
  margin-top: 56px;
}

.quick-facts .fact {
  flex: 1 1 200px;
  padding: 24px 24px 24px 0;
  color: var(--white);
}

.quick-facts .fact + .fact {
  padding-left: 24px;
  border-left: 1px solid var(--white);
}

.quick-facts .fact strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
}

.quick-facts .fact span {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #FFFFFF;
}

/* ============ SECTION HEADINGS ============ */
.section-head {
  max-width: 1180px;
  margin: 0 auto;
  padding: 88px 24px 8px;
}

.section-head .kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cinnabar);
}

.section-head h2 {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--ink);
  margin-top: 8px;
  line-height: 1.15;
}

.section-head p {
  color: var(--muted);
  max-width: 620px;
  margin-top: 14px;
}

/* ============ STEP BLOCKS ============ */
.step-blocks {
  padding: 40px 0 88px;
}

.step-block {
  max-width: 1180px;
  margin: 0 auto;
}

.step-block-inner {
  display: grid;
  grid-template-columns: 150px 1fr 120px;
  gap: 40px;
  align-items: start;
  padding: 48px 24px;
}

.step-block.alt {
  background-color: var(--pale);
}

.step-numeral {
  font-size: 5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--porcelain);
  -webkit-text-stroke: 1px var(--porcelain);
  color: transparent;
}

.step-body h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ink);
}

.step-body p {
  color: var(--muted);
  margin-top: 16px;
  max-width: 720px;
}

.step-tag {
  justify-self: end;
  background-color: var(--cinnabar);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 9px 14px;
  border-radius: 2px;
  text-align: center;
  white-space: nowrap;
}

.step-sep {
  max-width: 1180px;
  margin: 0 auto;
  height: 1px;
  background-color: var(--hairline);
}

/* ============ PROMISE BANNER ============ */
.promise-banner {
  background-color: var(--cinnabar);
  padding: 72px 24px;
}

.promise-banner .promise-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.promise-banner h2 {
  color: var(--ink);
  font-size: 2rem;
  font-weight: 800;
}

.promise-banner .promise-line {
  color: var(--ink);
  font-size: 1.1rem;
  margin-top: 10px;
  max-width: 720px;
}

.promise-stats {
  display: flex;
  flex-wrap: wrap;
  margin-top: 36px;
}

.promise-stats .stat {
  flex: 1 1 200px;
  color: var(--ink);
  padding: 0 28px;
}

.promise-stats .stat:first-child {
  padding-left: 0;
}

.promise-stats .stat + .stat {
  border-left: 1px solid var(--ink);
}

.promise-stats .stat strong {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
}

.promise-stats .stat span {
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

/* ============ DUO PANELS ============ */
.duo-panels {
  padding: 88px 24px;
}

.duo-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.duo-panel {
  padding: 56px 48px;
}

.duo-panel.blue {
  background-color: var(--porcelain);
  color: var(--white);
}

.duo-panel.blue h3 {
  color: var(--white);
  font-size: 1.7rem;
  font-weight: 800;
}

.duo-panel.blue ul {
  list-style: none;
  margin-top: 28px;
}

.duo-panel.blue li {
  color: var(--white);
  padding: 12px 0 12px 26px;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 1.05rem;
}

.duo-panel.blue li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 10px;
  height: 10px;
  background-color: var(--cinnabar);
  border-radius: 2px;
}

.duo-panel.paper {
  background-color: var(--paper);
  border: 1px solid var(--porcelain);
  color: var(--ink);
}

.duo-panel.paper h3 {
  color: var(--ink);
  font-size: 1.7rem;
  font-weight: 800;
}

.duo-panel.paper ol {
  margin-top: 28px;
  counter-reset: work;
  list-style: none;
}

.duo-panel.paper li {
  counter-increment: work;
  color: var(--muted);
  padding: 12px 0 12px 46px;
  position: relative;
  border-bottom: 1px solid var(--hairline-soft);
}

.duo-panel.paper li::before {
  content: counter(work);
  position: absolute;
  left: 0;
  top: 14px;
  width: 28px;
  height: 28px;
  border: 1px solid var(--porcelain);
  color: var(--porcelain);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
}

/* ============ CTA BAND ============ */
.cta-band {
  background-color: var(--porcelain);
  padding: 88px 24px;
  text-align: center;
}

.cta-band h2 {
  color: var(--white);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
}

.cta-band .btn {
  margin-top: 32px;
}

/* ============ PAVILION FOOTER ============ */
.pavilion-footer {
  background-color: var(--porcelain);
}

.pavilion-zones {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 0;
}

.pavilion-zones .zone {
  padding: 0 32px;
}

.pavilion-zones .zone:first-child {
  padding-left: 0;
}

.pavilion-zones .zone + .zone {
  border-left: 1px solid rgba(255, 255, 255, 0.35);
}

.zone .wordmark {
  color: var(--white);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.04em;
}

.zone .co-name {
  color: var(--white);
  font-size: 0.82rem;
  margin-top: 10px;
  max-width: 260px;
  line-height: 1.5;
}

.zone .zone-label {
  color: var(--white);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.zone .zone-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
}

.zone .zone-links a {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
}

.zone .zone-links a:hover {
  text-decoration: underline;
}

.zone .zone-contact {
  color: var(--white);
  font-size: 0.9rem;
  line-height: 1.7;
}

.legal-strip {
  background-color: var(--ink);
  padding: 16px 24px;
  text-align: center;
}

.legal-strip p {
  color: #C8D2DB;
  font-size: 0.82rem;
}

.legal-strip a {
  color: #C8D2DB;
  text-decoration: underline;
}

.legal-strip a:hover {
  color: var(--white);
}

/* ============ PAGE HERO (secondary pages) ============ */
.page-hero {
  background-color: var(--porcelain);
  padding: 72px 24px;
  border-bottom: 4px solid var(--cinnabar);
}

.page-hero h1 {
  color: var(--white);
  font-size: 2.6rem;
  font-weight: 800;
  max-width: 1180px;
  margin: 0 auto;
}

.page-hero p {
  color: var(--white);
  max-width: 720px;
  margin: 16px auto 0;
  font-size: 1.05rem;
}

.page-hero .container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ SERVICE CARDS (services page) ============ */
.services-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  background-color: var(--white);
  border: 1px solid var(--hairline);
  border-top: 4px solid var(--porcelain);
  padding: 36px 32px;
}

.service-card .num {
  color: var(--cinnabar);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.service-card h3 {
  color: var(--ink);
  font-size: 1.4rem;
  font-weight: 800;
  margin-top: 10px;
}

.service-card p {
  color: var(--muted);
  margin-top: 14px;
}

.service-card ul {
  list-style: none;
  margin-top: 18px;
}

.service-card li {
  color: var(--muted);
  padding: 6px 0 6px 22px;
  position: relative;
}

.service-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  background-color: var(--cinnabar);
}

/* ============ PROCESS ============ */
.process-band {
  background-color: var(--pale);
  padding: 72px 24px;
}

.process-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.process-inner h2 {
  color: var(--ink);
  font-size: 2rem;
  font-weight: 800;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.process-steps .pstep {
  background-color: var(--white);
  border: 1px solid var(--hairline);
  padding: 28px 22px;
}

.process-steps .pstep strong {
  color: var(--porcelain);
  font-size: 1.9rem;
  font-weight: 800;
}

.process-steps .pstep h4 {
  color: var(--ink);
  margin-top: 10px;
  font-size: 1.05rem;
}

.process-steps .pstep p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 10px;
}

/* ============ CONTACT PAGE ============ */
.contact-layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 24px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info h2 {
  color: var(--ink);
  font-size: 1.7rem;
  font-weight: 800;
}

.contact-info .info-block {
  margin-top: 24px;
  padding: 20px 22px;
  background-color: var(--pale);
  border-left: 4px solid var(--porcelain);
}

.contact-info .info-block h3 {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 800;
}

.contact-info .info-block p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 6px;
}

.contact-form {
  background-color: var(--white);
  border: 1px solid var(--hairline);
  border-top: 4px solid var(--cinnabar);
  padding: 40px 36px;
}

.contact-form .field {
  margin-bottom: 20px;
}

.contact-form label {
  display: block;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 7px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background-color: var(--paper);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--porcelain);
  border-color: var(--porcelain);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 14px;
}

.form-status {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
}

.form-status.success {
  display: block;
  background-color: var(--pale);
  color: var(--porcelain);
  border: 1px solid var(--porcelain);
}

.form-status.error {
  display: block;
  background-color: #FBEAE7;
  color: var(--cinnabar);
  border: 1px solid var(--cinnabar);
}

/* ============ FAQ ============ */
.faq {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.faq h2 {
  color: var(--ink);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 28px;
}

.faq-item {
  border: 1px solid var(--hairline);
  background-color: var(--white);
  margin-bottom: 14px;
}

.faq-q {
  width: 100%;
  background: transparent;
  border: none;
  text-align: left;
  padding: 18px 22px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
}

.faq-q .mark {
  color: var(--cinnabar);
  font-size: 1.3rem;
  font-weight: 800;
}

.faq-a {
  display: none;
  padding: 0 22px 20px;
  color: var(--muted);
}

.faq-item.open .faq-a {
  display: block;
}

/* ============ FADE-UP REVEAL ============ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    height: auto;
    background-color: var(--paper);
    border-bottom: 1px solid var(--ink);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    border: none;
    border-radius: 0;
    padding: 16px 24px;
    border-bottom: 1px solid var(--hairline);
  }

  .nav-links a::before {
    display: none;
  }

  .nav-links a.active {
    border-bottom: 1px solid var(--porcelain);
  }

  .hero-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .showroom-hero-frame {
    padding: 48px 28px 0;
  }

  .hero-content h1 {
    font-size: 2.4rem;
  }

  .step-block-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .step-tag {
    justify-self: start;
  }

  .duo-inner {
    grid-template-columns: 1fr;
  }

  .pavilion-zones {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .pavilion-zones .zone {
    padding: 0;
  }

  .pavilion-zones .zone + .zone {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.35);
    padding-top: 28px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .quick-facts .fact + .fact {
    border-left: none;
    border-top: 1px solid var(--white);
    padding-left: 0;
    padding-top: 16px;
  }
}