/* ==========================================================================
   BambooWhisper — style.css
   Light theme: bamboo-green family on a light green-tinted white ground
   ========================================================================== */

* {
  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: #1E2A1C;
  background-color: #F8FAF4;
  overflow-x: hidden;
}

img {
  max-width: 100%;
}

a {
  color: #5F8F4E;
}

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

/* ---------------------------------- buttons ---------------------------------- */

.btn {
  display: inline-block;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background-color: #5F8F4E;
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #4A703C;
  color: #FFFFFF;
}

.btn-outline {
  background-color: transparent;
  color: #5F8F4E;
  border-color: #5F8F4E;
}

.btn-outline:hover {
  background-color: #5F8F4E;
  color: #FFFFFF;
}

.btn-ink {
  background-color: #1E2A1C;
  color: #FFFFFF;
}

.btn-ink:hover {
  background-color: #2E3F2B;
  color: #FFFFFF;
}

.eyebrow {
  display: inline-block;
  background-color: #5F8F4E;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 999px;
}

.section-title {
  font-size: 34px;
  line-height: 1.25;
  color: #1E2A1C;
  margin-bottom: 16px;
}

.section-lead {
  color: #5C6B57;
  font-size: 17px;
  max-width: 760px;
}

/* ==========================================================================
   Navigation — hamburger-first (.burger-nav)
   ========================================================================== */

.burger-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #F8FAF4;
  border-bottom: 1px solid #D8E4CE;
}

.burger-nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #5F8F4E;
  text-decoration: none;
}

.brand:hover {
  color: #4A703C;
}

.brand-mark {
  width: 14px;
  height: 14px;
  background-color: #5F8F4E;
  border-radius: 2px;
  flex: 0 0 auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-links a {
  color: #5C6B57;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-decoration: none;
}

.nav-links a:hover {
  color: #5F8F4E;
}

.burger-btn {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 40px;
  padding: 8px;
  background: none;
  border: 1px solid #D8E4CE;
  border-radius: 4px;
  cursor: pointer;
  flex: 0 0 auto;
}

.burger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #5F8F4E;
  border-radius: 1px;
  margin: 0 auto;
}

.burger-btn:hover {
  background-color: #EAF2E4;
}

/* Full-screen overlay menu */
.burger-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  background-color: #5F8F4E;
  display: none;
}

.burger-overlay.open {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.overlay-close {
  position: absolute;
  top: 22px;
  right: 26px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 32px;
  line-height: 1;
  cursor: pointer;
}

.overlay-links {
  list-style: none;
  text-align: center;
  margin-bottom: 40px;
}

.overlay-links a {
  display: inline-block;
  color: #FFFFFF;
  font-size: 32px;
  font-weight: 600;
  text-decoration: none;
  padding: 12px 0;
  letter-spacing: 0.5px;
}

.overlay-links a:hover {
  color: #EAF2E4;
}

.overlay-links a.active {
  text-decoration: underline;
  text-underline-offset: 8px;
  text-decoration-thickness: 2px;
}

.overlay-contact {
  color: #EAF2E4;
  font-size: 14px;
  letter-spacing: 0.4px;
  text-align: center;
}

.overlay-contact a {
  color: #FFFFFF;
  text-decoration: none;
}

.overlay-contact a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Hero — three-column (.trio-hero)
   ========================================================================== */

.trio-hero {
  background-color: #F8FAF4;
  padding: 92px 24px 96px;
}

.trio-hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: center;
  gap: 48px;
}

.hero-eyebrow {
  margin-bottom: 22px;
}

.hero-title {
  font-size: 48px;
  line-height: 1.12;
  color: #1E2A1C;
  margin-bottom: 22px;
  font-weight: 700;
}

.hero-sub {
  color: #5C6B57;
  font-size: 17px;
  max-width: 640px;
  margin-bottom: 32px;
}

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

/* Left graphic — bamboo stalks */
.bamboo-stalks {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 30px;
}

.stalk {
  position: relative;
  width: 12px;
  height: 190px;
  background-color: #5F8F4E;
  border-radius: 6px;
}

.stalk:nth-child(2) {
  height: 148px;
}

.stalk::before,
.stalk::after {
  content: "";
  position: absolute;
  left: -4px;
  width: 20px;
  height: 2px;
  background-color: #4A703C;
  border-radius: 1px;
}

.stalk::before {
  top: 56px;
}

.stalk::after {
  top: 112px;
}

.stalk-leaf {
  position: absolute;
  top: -8px;
  left: 14px;
  width: 36px;
  height: 16px;
  background-color: #EAF2E4;
  border-radius: 50%;
  transform: rotate(45deg);
}

/* Right graphic — bamboo leaf cluster */
.leaf-cluster {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 0 auto;
}

.leaf-stem {
  position: absolute;
  top: 6px;
  left: 88px;
  width: 3px;
  height: 130px;
  background-color: #5F8F4E;
  border-radius: 2px;
}

.leaf {
  position: absolute;
  width: 44px;
  height: 20px;
  background-color: #5F8F4E;
  border-radius: 50%;
}

.leaf-1 {
  top: 24px;
  left: 52px;
  transform: rotate(48deg);
}

.leaf-2 {
  top: 66px;
  left: 84px;
  transform: rotate(96deg);
}

.leaf-3 {
  top: 92px;
  left: 26px;
  transform: rotate(-24deg);
}

/* ==========================================================================
   Sections — alternating blocks
   ========================================================================== */

.alternating-blocks {
  background-color: #FFFFFF;
  padding: 88px 24px 72px;
}

.alt-head {
  max-width: 1180px;
  margin: 0 auto 40px;
}

.alt-rows {
  max-width: 1180px;
  margin: 0 auto;
}

.alt-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 72px;
  padding: 44px 0;
  border-bottom: 1px solid #EAF2E4;
}

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

.alt-text h3 {
  font-size: 26px;
  color: #1E2A1C;
  margin-bottom: 12px;
}

.alt-text p {
  color: #5C6B57;
  font-size: 16px;
}

.alt-graphic {
  display: flex;
  justify-content: center;
  align-items: center;
}

.alt-square {
  width: 90px;
  height: 90px;
  background-color: #5F8F4E;
  display: flex;
  justify-content: center;
  align-items: center;
}

.alt-square::before {
  content: "";
  width: 40px;
  height: 40px;
  background-color: #FFFFFF;
}

.alt-mist {
  width: 90px;
  height: 90px;
  background-color: #EAF2E4;
  display: flex;
  justify-content: center;
  align-items: center;
}

.alt-mist::before {
  content: "";
  width: 40px;
  height: 40px;
  background-color: #5F8F4E;
  border-radius: 50%;
}

.alt-circle {
  width: 90px;
  height: 90px;
  background-color: #5F8F4E;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.alt-circle::before {
  content: "";
  width: 40px;
  height: 40px;
  background-color: #FFFFFF;
  border-radius: 50%;
}

/* ==========================================================================
   Sections — metric band
   ========================================================================== */

.metric-band {
  background-color: #5F8F4E;
  padding: 70px 24px;
}

.metric-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.metric {
  text-align: center;
  padding: 0 28px;
  border-right: 1px solid #F8FAF4;
}

.metric:last-child {
  border-right: none;
}

.metric-num {
  display: block;
  color: #FFFFFF;
  font-size: 42px;
  font-weight: 700;
  line-height: 1.1;
}

.metric-label {
  display: block;
  color: #EAF2E4;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 10px;
}

/* ==========================================================================
   Sections — statement band
   ========================================================================== */

.statement-band {
  background-color: #EAF2E4;
  padding: 84px 24px;
}

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

.statement-inner h2 {
  font-size: 30px;
  line-height: 1.35;
  color: #1E2A1C;
  max-width: 820px;
  margin-bottom: 18px;
}

.statement-inner p {
  color: #5C6B57;
  font-size: 17px;
  max-width: 760px;
}

/* ==========================================================================
   Sections — CTA band
   ========================================================================== */

.cta-band {
  background-color: #5F8F4E;
  padding: 84px 24px;
  text-align: center;
}

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

.cta-inner h2 {
  color: #FFFFFF;
  font-size: 34px;
  line-height: 1.3;
  margin-bottom: 26px;
}

.cta-inner .cta-note {
  color: #FFFFFF;
  font-size: 17px;
  max-width: 620px;
  margin: 0 auto 26px;
}

/* ==========================================================================
   Footer — four columns
   ========================================================================== */

.four-col-footer {
  background-color: #F8FAF4;
  border-top: 1px solid #D8E4CE;
}

.footer-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.footer-col {
  padding: 46px 28px;
  border-right: 1px solid #D8E4CE;
}

.footer-col:first-child {
  border-left: 1px solid #D8E4CE;
}

.footer-col h4 {
  color: #1E2A1C;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: #5F8F4E;
  text-decoration: none;
  margin-bottom: 14px;
}

.footer-blurb {
  color: #5C6B57;
  font-size: 14px;
  margin-bottom: 16px;
}

.footer-copy {
  color: #5C6B57;
  font-size: 13px;
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  color: #5C6B57;
  font-size: 15px;
  text-decoration: none;
}

.footer-col ul a:hover {
  color: #5F8F4E;
}

.footer-contact {
  color: #5C6B57;
  font-size: 14px;
}

.footer-contact a {
  color: #5F8F4E;
  text-decoration: none;
  font-weight: 600;
}

.footer-contact a:hover {
  text-decoration: underline;
}

.footer-contact .addr {
  margin-top: 12px;
}

.footer-legal-line {
  border-top: 1px solid #D8E4CE;
  text-align: center;
  color: #5C6B57;
  font-size: 13px;
  padding: 22px 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.footer-legal-line a {
  color: #5F8F4E;
  text-decoration: none;
}

.footer-legal-line a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Services page (secondary page)
   ========================================================================== */

.page-head {
  background-color: #EAF2E4;
  padding: 64px 24px 56px;
}

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

.page-head h1 {
  font-size: 40px;
  line-height: 1.2;
  color: #1E2A1C;
  margin-bottom: 14px;
}

.page-head p {
  color: #5C6B57;
  font-size: 17px;
  max-width: 760px;
}

.services-list {
  background-color: #FFFFFF;
  padding: 72px 24px;
}

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

.service-block {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
  padding: 36px 0;
  border-bottom: 1px solid #EAF2E4;
}

.service-block:last-child {
  border-bottom: none;
}

.service-num {
  width: 90px;
  height: 90px;
  background-color: #5F8F4E;
  color: #FFFFFF;
  font-size: 28px;
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 4px;
}

.service-body h3 {
  font-size: 24px;
  color: #1E2A1C;
  margin-bottom: 10px;
}

.service-body p {
  color: #5C6B57;
  font-size: 16px;
}

.process-overview {
  background-color: #F8FAF4;
  padding: 76px 24px;
}

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

.process-steps {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.process-step {
  background-color: #EAF2E4;
  padding: 24px;
  border-radius: 4px;
}

.process-step .step-num {
  display: inline-block;
  background-color: #5F8F4E;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.process-step h4 {
  color: #1E2A1C;
  font-size: 17px;
  margin-bottom: 8px;
}

.process-step p {
  color: #5C6B57;
  font-size: 14px;
}

/* ==========================================================================
   Contact page
   ========================================================================== */

.contact-layout {
  background-color: #FFFFFF;
  padding: 72px 24px;
}

.contact-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}

.contact-info h2,
.form-panel h2 {
  font-size: 26px;
  color: #1E2A1C;
  margin-bottom: 14px;
}

.contact-info p {
  color: #5C6B57;
  font-size: 16px;
  margin-bottom: 18px;
}

.contact-detail {
  margin-bottom: 22px;
}

.contact-detail h3 {
  color: #1E2A1C;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.contact-detail p,
.contact-detail a {
  color: #5C6B57;
  font-size: 15px;
  text-decoration: none;
}

.contact-detail a:hover {
  color: #5F8F4E;
}

.form-panel {
  background-color: #F8FAF4;
  border: 1px solid #D8E4CE;
  padding: 32px;
  border-radius: 6px;
}

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

.form-group label {
  display: block;
  color: #1E2A1C;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  font-family: inherit;
  color: #1E2A1C;
  background-color: #FFFFFF;
  border: 1px solid #D8E4CE;
  border-radius: 4px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #5F8F4E;
}

.form-status {
  margin-top: 14px;
  font-size: 15px;
  font-weight: 600;
}

.business-hours {
  background-color: #EAF2E4;
  padding: 56px 24px;
}

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

.hours-inner h2 {
  color: #1E2A1C;
  font-size: 26px;
  margin-bottom: 18px;
}

.hours-table {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 40px;
  max-width: 720px;
}

.hours-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #D8E4CE;
  padding: 10px 0;
  color: #5C6B57;
  font-size: 15px;
}

.hours-row strong {
  color: #1E2A1C;
}

.faq-section {
  background-color: #FFFFFF;
  padding: 72px 24px;
}

.faq-inner {
  max-width: 820px;
  margin: 0 auto;
}

.faq-inner h2 {
  color: #1E2A1C;
  font-size: 26px;
  margin-bottom: 28px;
}

.faq-item {
  border-bottom: 1px solid #D8E4CE;
}

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 4px;
  cursor: pointer;
  color: #1E2A1C;
  font-size: 17px;
  font-weight: 600;
  font-family: inherit;
}

.faq-q .faq-icon {
  flex: 0 0 auto;
  color: #5F8F4E;
  font-size: 22px;
  font-weight: 700;
}

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

.faq-a p {
  color: #5C6B57;
  font-size: 15px;
  padding: 0 4px 20px;
}

.faq-item.open .faq-a {
  max-height: 320px;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-icon {
  transition: transform 0.2s ease;
}

/* ==========================================================================
   Reveal animation (safe without JS)
   ========================================================================== */

.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: 960px) {
  .trio-hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-title {
    font-size: 38px;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-ctas {
    justify-content: center;
  }

  .bamboo-stalks {
    order: -1;
  }

  .leaf-cluster {
    display: none;
  }

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

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

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }

  .alt-row {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .alt-row:nth-child(even) .alt-graphic {
    order: 0;
  }

  .alt-text p {
    max-width: 560px;
    margin: 0 auto;
  }

  .metric-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px 0;
  }

  .metric:nth-child(2) {
    border-right: none;
  }

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

  .footer-col:nth-child(2) {
    border-right: none;
  }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 32px;
  }

  .section-title {
    font-size: 28px;
  }

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

  .metric {
    border-right: none;
    border-bottom: 1px solid #F8FAF4;
    padding: 18px 0;
  }

  .metric:last-child {
    border-bottom: none;
  }

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

  .service-block {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .hours-table {
    grid-template-columns: 1fr;
  }

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

  .footer-col,
  .footer-col:first-child {
    border-left: none;
    border-right: none;
    border-bottom: 1px solid #D8E4CE;
    padding: 32px 28px;
  }

  .footer-col:last-child {
    border-bottom: none;
  }
}