/* =========================================================
   XIAOBU — Suizhou Xiao Bu E-commerce Co., Ltd.
   Light harvest theme. Harvest amber on warm cream.
   ========================================================= */

:root {
  --ink: #33291D;
  --brown: #4A3520;
  --brown-dark: #2E2416;
  --amber: #E09F3E;
  --amber-deep: #C9852B;
  --honey: #F4C86A;
  --cream: #FBF7EF;
  --cream-deep: #F3EAD7;
  --line: #E3D3B4;
  --white: #FFFFFF;
  --shadow: 0 18px 45px -22px rgba(51, 41, 29, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-size: 16px;
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--cream);
  color: var(--ink);
  line-height: 1.75;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  color: var(--brown);
  line-height: 1.15;
  font-weight: 700;
}

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

a:hover {
  color: var(--brown);
}

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

ul, ol {
  padding-left: 22px;
}

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

.section-head {
  max-width: 720px;
  margin-bottom: 44px;
}

.section-eyebrow {
  display: inline-block;
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 38px;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--ink);
  font-size: 17px;
}

/* ---------- TAG NAV (.tag-nav) ---------- */

.tag-nav {
  position: sticky;
  top: 0;
  z-index: 90;
  background-color: var(--cream);
  border-bottom: 3px solid var(--amber);
}

.tag-nav .nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-wordmark {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 800;
  font-size: 24px;
  letter-spacing: 0.08em;
  color: var(--brown);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  padding: 0;
}

.nav-link-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--amber);
  background-color: var(--cream);
  color: var(--brown);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-link-tag:hover {
  background-color: var(--honey);
  color: var(--brown-dark);
  transform: translateY(-2px);
}

.nav-link-tag.is-active {
  background-color: var(--amber);
  color: var(--brown-dark);
  border-color: var(--amber);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--amber);
  border-radius: 999px;
  color: var(--brown);
  padding: 8px 16px;
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}

/* ---------- GRANARY HERO ---------- */

.granary-hero {
  background-color: var(--honey);
  border-bottom: 6px solid var(--amber);
}

.granary-hero .hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 80px 24px 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.hero-content {
  flex: 1 1 56%;
  max-width: 620px;
}

.hero-eyebrow {
  display: inline-block;
  background-color: var(--amber);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero-content h1 {
  font-size: 54px;
  line-height: 1.08;
  color: var(--brown);
  margin-bottom: 22px;
}

.hero-content p.hero-sub {
  font-size: 18px;
  color: var(--ink);
  max-width: 540px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 999px;
  font-family: "Inter", sans-serif;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

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

.btn-primary:hover {
  background-color: var(--amber-deep);
  color: var(--white);
}

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

.btn-outline:hover {
  background-color: var(--brown);
  color: var(--cream);
}

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

.btn-brown:hover {
  background-color: var(--brown-dark);
  color: var(--white);
}

.hero-graphic {
  flex: 0 1 380px;
  display: flex;
  justify-content: center;
}

/* Barn built from solid CSS shapes */

.barn {
  position: relative;
  width: 300px;
  height: 260px;
}

.barn-roof {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  height: 96px;
  background-color: var(--brown);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.barn-body {
  position: absolute;
  top: 88px;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 172px;
  background-color: var(--amber);
  clip-path: polygon(12% 0%, 88% 0%, 100% 100%, 0% 100%);
}

.barn-door {
  position: absolute;
  top: 172px;
  left: 50%;
  transform: translateX(-50%);
  width: 52px;
  height: 66px;
  background-color: var(--brown);
}

.barn-door::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 20px;
  background-color: var(--honey);
  border-bottom: 3px solid var(--amber);
}

.barn-window {
  position: absolute;
  width: 26px;
  height: 26px;
  background-color: var(--brown);
  border-radius: 50%;
}

.barn-window.w-left {
  top: 120px;
  left: calc(50% - 66px);
}

.barn-window.w-right {
  top: 120px;
  left: calc(50% + 40px);
}

/* ---------- TIMELINE ---------- */

.timeline-section {
  background-color: var(--cream);
  padding: 90px 0;
}

.timeline {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 0 0 34px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 9px;
  width: 4px;
  background-color: var(--amber);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding: 0 0 56px 34px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-node {
  position: absolute;
  left: -34px;
  top: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--amber);
  border: 4px solid var(--cream);
  box-shadow: 0 0 0 4px var(--amber);
}

.timeline-item h3 {
  font-size: 26px;
  margin-bottom: 10px;
  color: var(--brown);
}

.timeline-item p {
  color: var(--ink);
  font-size: 16px;
}

/* ---------- METRIC STRIP ---------- */

.metric-strip {
  background-color: var(--cream-deep);
  border-top: 3px solid var(--amber);
  border-bottom: 3px solid var(--amber);
}

.metric-strip .metrics {
  max-width: 1180px;
  margin: 0 auto;
  padding: 60px 24px;
  display: flex;
  align-items: stretch;
}

.metric {
  flex: 1;
  text-align: center;
  padding: 0 28px;
}

.metric + .metric {
  border-left: 2px solid var(--amber);
}

.metric-num {
  font-family: "Fraunces", Georgia, serif;
  font-size: 56px;
  font-weight: 800;
  color: var(--amber-deep);
  line-height: 1.1;
  margin-bottom: 8px;
}

.metric-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brown);
}

/* ---------- DUO PANELS ---------- */

.duo-section {
  background-color: var(--cream);
  padding: 90px 0;
}

.duo-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.panel-harvest {
  background-color: var(--amber);
  color: var(--brown-dark);
  padding: 48px 44px;
  border-radius: 18px;
}

.panel-harvest h3 {
  color: var(--brown-dark);
  font-size: 30px;
  margin-bottom: 20px;
}

.panel-harvest ul {
  list-style: none;
  padding: 0;
}

.panel-harvest li {
  position: relative;
  padding: 14px 0 14px 34px;
  font-size: 17px;
  border-bottom: 1px dashed rgba(74, 53, 32, 0.4);
  color: var(--brown-dark);
}

.panel-harvest li:last-child {
  border-bottom: none;
}

.panel-harvest li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 18px;
  height: 18px;
  background-color: var(--brown);
  border-radius: 50%;
}

.panel-method {
  background-color: var(--cream);
  border: 1px solid var(--amber);
  padding: 48px 44px;
  border-radius: 18px;
}

.panel-method h3 {
  color: var(--brown);
  font-size: 30px;
  margin-bottom: 20px;
}

.panel-method ol {
  list-style: none;
  padding: 0;
  counter-reset: method;
}

.panel-method li {
  position: relative;
  padding: 14px 0 14px 46px;
  font-size: 17px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.panel-method li:last-child {
  border-bottom: none;
}

.panel-method li::before {
  counter-increment: method;
  content: counter(method);
  position: absolute;
  left: 0;
  top: 14px;
  width: 32px;
  height: 32px;
  background-color: var(--honey);
  color: var(--brown-dark);
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Fraunces", Georgia, serif;
}

/* ---------- CTA BAND ---------- */

.cta-band {
  background-color: var(--amber);
  color: var(--brown-dark);
  padding: 76px 24px;
  text-align: center;
}

.cta-band .cta-inner {
  max-width: 760px;
  margin: 0 auto;
}

.cta-band h2 {
  color: var(--brown-dark);
  font-size: 40px;
  margin-bottom: 16px;
}

.cta-band p {
  font-size: 18px;
  color: var(--brown-dark);
  margin-bottom: 30px;
}

/* ---------- STOREHOUSE FOOTER ---------- */

.storehouse-footer {
  background-color: var(--cream);
}

.footer-top {
  max-width: 1180px;
  margin: 0 auto;
  padding: 54px 24px 48px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.footer-zone {
  flex: 1;
  padding: 0 24px;
}

.footer-zone + .footer-zone {
  border-left: 2px solid var(--amber);
}

.footer-wordmark {
  font-family: "Fraunces", Georgia, serif;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--brown);
  margin-bottom: 8px;
}

.footer-company {
  font-size: 13px;
  color: var(--brown);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  justify-content: center;
}

.footer-links a {
  color: var(--brown);
  font-weight: 600;
  font-size: 15px;
}

.footer-links a:hover {
  color: var(--amber-deep);
}

.footer-contact {
  text-align: right;
  font-size: 14px;
  color: var(--brown);
  line-height: 1.9;
}

.footer-contact strong {
  display: block;
  font-family: "Fraunces", Georgia, serif;
  font-size: 16px;
  color: var(--brown);
}

.footer-bottom {
  background-color: var(--amber);
  text-align: center;
  padding: 16px 24px;
  font-size: 14px;
  color: var(--brown-dark);
  font-weight: 600;
}

.footer-bottom a {
  color: var(--brown-dark);
  text-decoration: underline;
}

.footer-bottom a:hover {
  color: var(--white);
}

/* ---------- SECONDARY PAGE HERO ---------- */

.page-hero {
  background-color: var(--honey);
  border-bottom: 6px solid var(--amber);
  padding: 64px 0;
}

.page-hero .container {
  max-width: 860px;
}

.page-hero .eyebrow {
  display: inline-block;
  background-color: var(--amber);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.page-hero h1 {
  font-size: 46px;
  color: var(--brown);
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 18px;
  color: var(--ink);
}

/* ---------- SERVICES PAGE ---------- */

.services-intro {
  padding: 84px 0 20px;
  background-color: var(--cream);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 44px 0 90px;
  background-color: var(--cream);
}

.service-card {
  background-color: var(--cream);
  border: 1px solid var(--amber);
  border-top: 6px solid var(--amber);
  border-radius: 16px;
  padding: 38px 36px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.service-card .service-tag {
  display: inline-block;
  background-color: var(--honey);
  color: var(--brown-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.service-card h3 {
  font-size: 25px;
  margin-bottom: 14px;
  color: var(--brown);
}

.service-card p {
  color: var(--ink);
  font-size: 16px;
}

.process-band {
  background-color: var(--cream-deep);
  border-top: 3px solid var(--amber);
  border-bottom: 3px solid var(--amber);
  padding: 84px 0;
}

.process-steps {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  gap: 0;
}

.process-step {
  flex: 1;
  text-align: center;
  padding: 0 18px;
}

.process-step + .process-step {
  border-left: 2px solid var(--amber);
}

.process-num {
  display: inline-flex;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--amber);
  color: var(--white);
  font-family: "Fraunces", Georgia, serif;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 14px;
}

.process-step h4 {
  font-size: 18px;
  color: var(--brown);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 14px;
  color: var(--ink);
}

/* ---------- CONTACT PAGE ---------- */

.contact-page {
  background-color: var(--cream);
  padding: 84px 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
}

.contact-form-card {
  background-color: var(--cream);
  border: 1px solid var(--amber);
  border-top: 6px solid var(--amber);
  border-radius: 16px;
  padding: 40px 38px;
}

.contact-form-card h2 {
  font-size: 28px;
  margin-bottom: 8px;
  color: var(--brown);
}

.contact-form-card .form-note {
  color: var(--ink);
  margin-bottom: 26px;
  font-size: 15px;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: 6px;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background-color: var(--white);
  font-family: "Inter", sans-serif;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--amber);
}

.form-field textarea {
  resize: vertical;
  min-height: 130px;
}

.form-status {
  margin-top: 6px;
  font-size: 14px;
  color: var(--brown);
  min-height: 22px;
}

.contact-info-card {
  background-color: var(--honey);
  border: 1px solid var(--amber);
  border-radius: 16px;
  padding: 40px 38px;
}

.contact-info-card h2 {
  font-size: 28px;
  color: var(--brown);
  margin-bottom: 22px;
}

.info-row {
  padding: 16px 0;
  border-bottom: 1px dashed var(--amber);
}

.info-row:last-child {
  border-bottom: none;
}

.info-row .info-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: 4px;
}

.info-row .info-value {
  font-size: 16px;
  color: var(--brown);
  font-weight: 600;
  word-break: break-word;
}

.business-hours {
  margin-top: 26px;
  background-color: var(--cream);
  border: 1px solid var(--amber);
  border-radius: 12px;
  padding: 18px 20px;
}

.business-hours h3 {
  font-size: 18px;
  color: var(--brown);
  margin-bottom: 8px;
}

.business-hours p {
  font-size: 15px;
  color: var(--ink);
}

/* FAQ accordion */

.faq-list {
  margin-top: 60px;
  max-width: 860px;
}

.faq-list .faq-title {
  font-size: 30px;
  color: var(--brown);
  margin-bottom: 26px;
}

.faq-item {
  border: 1px solid var(--line);
  border-left: 6px solid var(--amber);
  border-radius: 12px;
  background-color: var(--cream);
  margin-bottom: 16px;
  overflow: hidden;
}

.faq-item .faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-family: "Fraunces", Georgia, serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--brown);
  cursor: pointer;
}

.faq-item .faq-q .faq-icon {
  font-size: 24px;
  color: var(--amber-deep);
  flex: 0 0 auto;
}

.faq-item .faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item .faq-a-inner {
  padding: 0 24px 20px;
  color: var(--ink);
  font-size: 15px;
}

.faq-item.is-open .faq-a {
  max-height: 400px;
}

/* ---------- SCROLL REVEAL (JS-safe fallback) ---------- */

.fade-up {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ---------- RESPONSIVE ---------- */

@media (max-width: 980px) {
  .granary-hero .hero-inner {
    flex-direction: column;
    text-align: left;
    gap: 48px;
  }

  .hero-content h1 {
    font-size: 44px;
  }

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

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

  .footer-top {
    flex-direction: column;
    text-align: center;
  }

  .footer-zone + .footer-zone {
    border-left: none;
    border-top: 2px solid var(--amber);
    padding-top: 24px;
  }

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

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

  .process-steps {
    flex-direction: column;
    gap: 26px;
  }

  .process-step + .process-step {
    border-left: none;
    border-top: 2px solid var(--amber);
    padding-top: 24px;
  }

  .metric-strip .metrics {
    flex-wrap: wrap;
  }

  .metric {
    flex: 1 1 45%;
    padding: 20px;
  }

  .metric:nth-child(3) {
    border-left: none;
  }
}

@media (max-width: 680px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    background-color: var(--cream);
    border-bottom: 3px solid var(--amber);
    padding: 18px 24px;
    display: none;
  }

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

  .nav-link-tag {
    text-align: center;
  }

  .hero-content h1 {
    font-size: 36px;
  }

  .hero-content p.hero-sub {
    font-size: 16px;
  }

  .hero-graphic {
    transform: scale(0.85);
  }

  .section-head h2 {
    font-size: 30px;
  }

  .metric-num {
    font-size: 40px;
  }

  .cta-band h2 {
    font-size: 30px;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .panel-harvest,
  .panel-method,
  .contact-form-card,
  .contact-info-card {
    padding: 30px 24px;
  }
}