/* ==========================================================================
   YIMU — LB Ecom Limited
   Main stylesheet — Light theme, deep teal accent, soft mint secondary
   ========================================================================== */

:root {
  --ink: #14201E;
  --ink-soft: #3B4B47;
  --paper: #F7F5F0;
  --paper-warm: #EFECE3;
  --card: #FFFFFF;
  --teal: #0F766E;
  --teal-deep: #0B4A44;
  --teal-dark: #062E2A;
  --mint: #5EEAD4;
  --mint-soft: #CCFBF1;
  --line: #E3DFD3;
  --amber: #F4B942;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--teal-deep);
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 0.6em;
  font-weight: 700;
}

p {
  margin: 0 0 1.1em;
  color: var(--ink-soft);
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   RIBBON NAVIGATION
   ========================================================================== */

.ribbon-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--card);
  border-bottom: 1px solid var(--teal-deep);
  box-shadow: 0 1px 0 rgba(20, 32, 30, 0.06);
}

.ribbon-nav::after {
  content: "";
  display: block;
  height: 3px;
  background-color: var(--teal);
  border-top: 1px solid var(--mint);
  border-bottom: 1px solid var(--teal-deep);
}

.ribbon-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.ribbon-brand {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  height: 100%;
}

.ribbon-brand a {
  display: inline-block;
  background-color: var(--teal);
  color: #FFFFFF;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding: 8px 18px 8px 14px;
  font-size: 1.05rem;
  position: relative;
}

.ribbon-brand a::after {
  content: "";
  position: absolute;
  top: 0;
  right: -12px;
  border-style: solid;
  border-width: 19px 0 19px 12px;
  border-color: transparent transparent transparent var(--teal);
}

.ribbon-brand a:hover {
  color: var(--mint-soft);
}

.ribbon-links {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  gap: 26px;
  justify-content: center;
}

.ribbon-links a {
  color: var(--teal-deep);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  position: relative;
  padding: 4px 0;
}

.ribbon-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background-color: var(--mint);
  transition: width 0.25s ease;
}

.ribbon-links a:hover {
  color: var(--teal);
}

.ribbon-links a:hover::after {
  width: 100%;
}

.ribbon-cta {
  flex: 0 0 auto;
}

.ribbon-cta a {
  display: inline-block;
  border: 2px solid var(--teal);
  color: var(--teal);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 18px;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.ribbon-cta a:hover {
  background-color: var(--teal);
  color: #FFFFFF;
}

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  background: none;
  border: 2px solid var(--teal);
  color: var(--teal);
  width: 42px;
  height: 40px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
}

/* ==========================================================================
   SHOWCASE SHELF HERO
   ========================================================================== */

.showcase-hero {
  padding: 72px 0 88px;
  background-color: var(--paper);
  position: relative;
}

.showcase-hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.showcase-hero h1 {
  font-size: 3.1rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.4em;
  color: var(--ink);
}

.showcase-hero h1 .accent {
  color: var(--teal);
}

.showcase-hero .hero-sub {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 34rem;
  margin-bottom: 1.8em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-block;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 6px;
  transition: transform 0.15s ease, background-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background-color: var(--teal);
  color: #FFFFFF;
  border: 2px solid var(--teal);
}

.btn-primary:hover {
  background-color: var(--teal-deep);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--teal);
  border: 2px solid var(--teal);
}

.btn-ghost:hover {
  background-color: var(--mint-soft);
  color: var(--teal-deep);
  transform: translateY(-2px);
}

/* Product showcase shelf */

.shelf-stage {
  position: relative;
  min-height: 460px;
}

.shelf-board {
  position: absolute;
  left: 4%;
  right: 4%;
  bottom: 0;
  height: 16px;
  background-color: var(--teal);
  border-radius: 4px;
  box-shadow: 0 18px 30px rgba(20, 32, 30, 0.18);
}

.shelf-board::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 6%;
  right: 6%;
  height: 8px;
  background-color: var(--teal-deep);
  border-radius: 3px;
}

.shelf-block {
  position: absolute;
  border-radius: 14px;
  box-shadow: 0 20px 40px rgba(20, 32, 30, 0.16);
  border: 1px solid #FFFFFF;
}

.block-a {
  left: 10%;
  bottom: 28px;
  width: 150px;
  height: 170px;
  background: linear-gradient(160deg, var(--teal) 0%, var(--teal-deep) 100%);
}

.block-a::after {
  content: "";
  position: absolute;
  inset: 16px;
  border: 2px solid var(--mint);
  border-radius: 8px;
}

.block-b {
  left: 42%;
  bottom: 28px;
  width: 130px;
  height: 120px;
  background: linear-gradient(150deg, var(--mint) 0%, var(--teal) 100%);
}

.block-b::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 34px;
  height: 34px;
  background-color: #FFFFFF;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.block-c {
  right: 8%;
  bottom: 28px;
  width: 150px;
  height: 210px;
  background: linear-gradient(170deg, var(--teal-deep) 0%, var(--teal) 100%);
}

.block-c::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  height: 6px;
  background-color: var(--mint);
  border-radius: 3px;
  box-shadow: 0 16px 0 rgba(94, 234, 212, 0.4), 0 32px 0 rgba(94, 234, 212, 0.28);
}

.price-tag {
  position: absolute;
  top: 40px;
  right: 16%;
  background-color: #FFFFFF;
  color: var(--ink);
  font-weight: 800;
  padding: 12px 18px;
  border-radius: 10px;
  box-shadow: 0 14px 26px rgba(20, 32, 30, 0.18);
  border-top: 4px solid var(--amber);
}

.price-tag .tag-amount {
  display: block;
  font-size: 1.3rem;
  color: var(--teal-deep);
}

.price-tag .tag-label {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rating-badge {
  position: absolute;
  top: 120px;
  left: 4%;
  background-color: var(--teal-deep);
  color: #FFFFFF;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 12px 24px rgba(20, 32, 30, 0.22);
}

.rating-badge .stars {
  color: var(--amber);
  letter-spacing: 1px;
}

/* ==========================================================================
   STATEMENT ROW
   ========================================================================== */

.statement-section {
  background-color: var(--teal-deep);
  padding: 84px 0;
}

.statement-section .statement-text {
  color: #F4FBF9;
  font-size: 2rem;
  line-height: 1.4;
  font-weight: 700;
  max-width: 52rem;
  margin: 0 auto;
  text-align: center;
}

.statement-section .statement-text .highlight {
  color: var(--mint);
}

/* ==========================================================================
   STAT COLUMNS
   ========================================================================== */

.stats-section {
  background-color: var(--paper-warm);
  padding: 84px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats-section .section-label {
  text-align: center;
  display: block;
}

.stats-section h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 1.4em;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.stat-card {
  background-color: var(--card);
  border-radius: 14px;
  padding: 34px 24px;
  text-align: center;
  box-shadow: 0 10px 24px rgba(20, 32, 30, 0.06);
  border-top: 4px solid var(--teal);
}

.stat-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--teal-deep);
  line-height: 1;
  margin-bottom: 0.2em;
}

.stat-card p {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 600;
}

/* ==========================================================================
   SERVICES — HORIZONTAL SCROLL
   ========================================================================== */

.services-section {
  background-color: var(--paper);
  padding: 88px 0;
}

.services-section .container > .section-head {
  max-width: 1160px;
  margin: 0 auto 2.4em;
  padding: 0 24px;
}

.services-section h2 {
  font-size: 2.2rem;
  margin-bottom: 0.4em;
}

.services-section .section-head p {
  max-width: 44rem;
}

.scroll-row {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  padding: 12px 24px 26px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.scroll-row::-webkit-scrollbar {
  height: 8px;
}

.scroll-row::-webkit-scrollbar-thumb {
  background-color: var(--teal);
  border-radius: 4px;
}

.service-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px 26px;
  box-shadow: 0 8px 20px rgba(20, 32, 30, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 34px rgba(20, 32, 30, 0.1);
}

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background-color: var(--mint-soft);
  color: var(--teal-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1em;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.4em;
}

.service-card p {
  font-size: 0.95rem;
  margin: 0;
}

/* ==========================================================================
   HOW IT WORKS — NUMBERED LIST
   ========================================================================== */

.process-section {
  background-color: var(--paper-warm);
  padding: 88px 0;
  border-top: 1px solid var(--line);
}

.process-section h2 {
  font-size: 2.2rem;
  margin-bottom: 1.4em;
}

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.process-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 30px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.process-item:last-child {
  border-bottom: none;
}

.process-num {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
  letter-spacing: -0.02em;
}

.process-item h3 {
  font-size: 1.4rem;
  margin-bottom: 0.3em;
}

.process-item p {
  max-width: 40rem;
  margin: 0;
}

/* ==========================================================================
   COMPARISON TABLE
   ========================================================================== */

.compare-section {
  background-color: var(--paper);
  padding: 88px 0;
}

.compare-section h2 {
  font-size: 2.2rem;
  text-align: center;
  margin-bottom: 0.4em;
}

.compare-section .compare-intro {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2.6em;
}

.compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(20, 32, 30, 0.06);
}

.compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background-color: var(--card);
}

.compare-table th,
.compare-table td {
  padding: 18px 22px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.compare-table thead th {
  background-color: var(--teal-deep);
  color: #FFFFFF;
  font-size: 1rem;
}

.compare-table thead th.featured {
  background-color: var(--teal);
}

.compare-table tbody th {
  color: var(--ink);
  font-weight: 700;
}

.compare-table td {
  color: var(--ink-soft);
}

.compare-table .yes {
  color: var(--teal-deep);
  font-weight: 800;
}

.compare-table .dash {
  color: var(--ink-soft);
}

.compare-table tfoot td {
  border-bottom: none;
}

.compare-table tfoot a {
  font-weight: 700;
}

/* ==========================================================================
   CTA BAND
   ========================================================================== */

.cta-section {
  background-color: var(--teal);
  padding: 88px 0;
}

.cta-section .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-section h2 {
  color: #FFFFFF;
  font-size: 2.2rem;
  margin-bottom: 0.3em;
}

.cta-section p {
  color: var(--mint-soft);
  margin: 0;
  font-size: 1.1rem;
}

.cta-section .btn {
  background-color: #FFFFFF;
  color: var(--teal-deep);
  border: 2px solid #FFFFFF;
}

.cta-section .btn:hover {
  background-color: var(--mint);
  color: var(--teal-dark);
  border-color: var(--mint);
}

.cta-section .btn-outline-light {
  background-color: transparent;
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
}

.cta-section .btn-outline-light:hover {
  background-color: #FFFFFF;
  color: var(--teal-deep);
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.contact-form {
  background-color: var(--teal-deep);
  border-radius: 14px;
  padding: 30px;
  box-shadow: 0 18px 40px rgba(6, 46, 42, 0.35);
}

.contact-form label {
  display: block;
  color: var(--mint-soft);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.3em;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #1E5B54;
  border-radius: 6px;
  background-color: #FFFFFF;
  color: var(--ink);
  font-size: 0.95rem;
  font-family: inherit;
  margin-bottom: 1em;
}

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

.contact-form textarea {
  min-height: 110px;
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
  background-color: var(--mint);
  color: var(--teal-dark);
  border: 2px solid var(--mint);
  cursor: pointer;
}

.contact-form .btn:hover {
  background-color: #FFFFFF;
  color: var(--teal-deep);
  border-color: #FFFFFF;
}

.form-status {
  margin-top: 12px;
  color: var(--mint-soft);
  font-size: 0.9rem;
  font-weight: 600;
}

.form-status.success {
  color: #FFFFFF;
}

@media (max-width: 900px) {
  .cta-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background-color: var(--teal-dark);
  color: #CFE8E3;
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #FFFFFF;
  margin-bottom: 0.8em;
}

.site-footer p {
  color: #9FC4BE;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1rem;
  letter-spacing: 0.04em;
  margin-bottom: 1.2em;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 0.6em;
}

.footer-col a {
  color: #9FC4BE;
  font-size: 0.95rem;
}

.footer-col a:hover {
  color: var(--mint);
}

.footer-bottom {
  border-top: 1px solid #0E3F3A;
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
}

.footer-bottom p {
  margin: 0;
  color: #7FA8A1;
}

/* ==========================================================================
   SCROLL REVEAL
   ========================================================================== */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 900px) {
  .showcase-hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .shelf-stage {
    min-height: 420px;
  }

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

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

  .statement-section .statement-text {
    font-size: 1.5rem;
  }
}

@media (max-width: 720px) {
  .ribbon-links,
  .ribbon-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-block;
  }

  .ribbon-inner {
    justify-content: space-between;
  }

  .ribbon-nav.open .ribbon-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background-color: var(--card);
    padding: 20px 24px 26px;
    gap: 16px;
    border-bottom: 3px solid var(--teal);
    box-shadow: 0 16px 30px rgba(20, 32, 30, 0.16);
    align-items: flex-start;
  }

  .ribbon-nav.open .ribbon-cta {
    display: block;
    position: absolute;
    top: 300px;
    left: 24px;
  }

  .showcase-hero h1 {
    font-size: 2rem;
  }

  .process-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .process-num {
    font-size: 2rem;
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

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

  .statement-section .statement-text {
    font-size: 1.3rem;
  }
}