:root {
  --header-height: 126px;
  --bg: #f4fbf6;
  --bg-2: #eaf8f0;
  --dark: #06261f;
  --green-950: #082b22;
  --green-900: #0b3b2e;
  --green-700: #0e7c55;
  --green-500: #19c37d;
  --green-300: #80f7b4;
  --blue: #2f9df5;
  --text: #14342b;
  --muted: #5c7168;
  --white: #ffffff;
  --line: rgba(11, 59, 46, 0.12);
  --shadow: 0 28px 80px rgba(6, 38, 31, 0.14);
  --radius-lg: 34px;
  --radius-md: 22px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(128, 247, 180, 0.25), transparent 34rem), var(--bg);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.page-shell {
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fefefe;
  border-bottom: 1px solid rgba(11, 59, 46, 0.08);
  backdrop-filter: none;
}

.nav {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  width: clamp(220px, 23vw, 280px);
  height: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--green-900);
  font-size: 14px;
  font-weight: 700;
}

.nav-menu a:not(.nav-cta) {
  position: relative;
  opacity: 0.82;
}

.nav-menu a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--green-500);
  transition: width 0.25s ease;
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after {
  width: 100%;
}

.nav-cta {
  padding: 12px 17px;
  border-radius: 999px;
  color: var(--white);
  background: var(--green-900);
  box-shadow: 0 14px 28px rgba(11, 59, 46, 0.16);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: var(--green-900);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 99px;
  background: var(--white);
  transition: transform .24s ease, opacity .24s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.section-gap {
  padding: 86px 0 76px;
}

.section {
  padding: 96px 0;
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  overflow: hidden;
  isolation: isolate;
  color: var(--white);
  background: var(--green-950);
}

.hero-bg,
.hero-bg img,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-bg {
  z-index: -3;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.01);
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(3, 28, 22, .92) 0%, rgba(6, 38, 31, .76) 34%, rgba(6, 38, 31, .28) 66%, rgba(6, 38, 31, .10) 100%),
    linear-gradient(180deg, rgba(0,0,0,.22) 0%, rgba(0,0,0,.08) 42%, rgba(6,38,31,.64) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 140px;
  z-index: -1;
  background: linear-gradient(180deg, rgba(244,251,246,0), var(--bg));
}

.hero-inner {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 370px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(82px, 9vw, 132px) 0 clamp(76px, 8vw, 120px);
}

.hero-copy {
  max-width: 780px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green-700);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--green-300);
  text-shadow: 0 6px 22px rgba(0,0,0,.35);
}

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--green-500);
  box-shadow: 0 0 0 0 rgba(25, 195, 125, .5);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 12px rgba(25, 195, 125, 0); }
  100% { box-shadow: 0 0 0 0 rgba(25, 195, 125, 0); }
}

.hero h1,
.section-heading h2,
.split-copy h2,
.cta-copy h2 {
  margin: 14px 0 18px;
  color: var(--dark);
  letter-spacing: -0.055em;
  line-height: .98;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(48px, 6.2vw, 90px);
  max-width: 930px;
  text-shadow: 0 14px 42px rgba(0,0,0,.42);
}

.hero-lead {
  max-width: 680px;
  color: rgba(255,255,255,.86);
  font-size: 19px;
  margin: 0 0 30px;
  text-shadow: 0 8px 30px rgba(0,0,0,.32);
}

.hero-actions,
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 15px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 900;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}

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

.btn-primary {
  color: var(--green-950);
  background: linear-gradient(135deg, var(--green-300), var(--green-500));
  box-shadow: 0 20px 34px rgba(25, 195, 125, .28);
}

.btn-secondary {
  color: var(--green-900);
  background: var(--white);
  border-color: var(--line);
  box-shadow: 0 14px 26px rgba(6, 38, 31, .08);
}

.hero-outline {
  color: var(--white);
  background: rgba(255,255,255,.13);
  border-color: rgba(255,255,255,.36);
  box-shadow: 0 18px 34px rgba(0,0,0,.16);
  backdrop-filter: blur(14px);
}

.full {
  width: 100%;
}

.trust-row {
  margin-top: 28px;
}

.trust-row span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 7px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid var(--line);
  color: var(--green-900);
  font-size: 13px;
  font-weight: 800;
}

.hero .trust-row span {
  color: var(--white);
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255,255,255,.26);
  box-shadow: 0 14px 30px rgba(0,0,0,.13);
  backdrop-filter: blur(12px);
}

.hero-badge-panel {
  justify-self: end;
  width: min(100%, 370px);
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(6, 38, 31, .34);
  box-shadow: 0 28px 80px rgba(0,0,0,.28);
  backdrop-filter: blur(18px);
}

.banner-stat {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,.13);
  border: 1px solid rgba(255,255,255,.18);
}

.banner-stat strong,
.banner-stat span {
  display: block;
}

.banner-stat strong {
  color: var(--white);
  font-size: 18px;
  line-height: 1.2;
}

.banner-stat span {
  margin-top: 5px;
  color: rgba(255,255,255,.76);
  font-size: 13.5px;
  font-weight: 700;
}

.problem-band {
  padding: 38px 0;
  background: var(--green-900);
  color: var(--white);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.problem-item {
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
}

.problem-item span {
  color: var(--green-300);
  font-weight: 900;
}

.problem-item h3 {
  margin: 14px 0 8px;
  font-size: 20px;
}

.problem-item p {
  margin: 0;
  color: rgba(255,255,255,.72);
  font-size: 14px;
}

.section-heading {
  max-width: 770px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading.left {
  margin: 0;
  text-align: left;
}

.section-heading h2,
.split-copy h2,
.cta-copy h2 {
  font-size: clamp(34px, 4.2vw, 58px);
}

.section-heading p,
.split-copy p,
.cta-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card,
.signal-card,
.panel,
.lead-form,
.image-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .74);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 55px rgba(6, 38, 31, .07);
}

.feature-card {
  padding: 26px;
}

.icon-chip {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--green-950);
  background: linear-gradient(135deg, var(--green-300), var(--green-500));
  font-weight: 900;
  margin-bottom: 24px;
}

.feature-card h3,
.panel h3,
.workflow-step h3,
.split-copy h3 {
  margin: 0 0 10px;
  color: var(--dark);
  line-height: 1.18;
}

.feature-card p,
.panel p,
.workflow-step p,
.split-copy .tab-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}

.split-section {
  display: grid;
  grid-template-columns: .98fr 1.02fr;
  align-items: center;
  gap: 48px;
}

.image-card {
  padding: 20px;
  overflow: hidden;
}

.image-card img {
  border-radius: 18px;
}

.split-copy {
  max-width: 550px;
}

.storage-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 8px;
  margin: 28px 0 16px;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.75);
}

.tab-btn {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  background: transparent;
  color: var(--green-900);
  font-weight: 900;
  cursor: pointer;
}

.tab-btn.active {
  background: var(--green-900);
  color: var(--white);
}

.tab-panel {
  display: none;
  padding: 22px;
  border-radius: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 20px 40px rgba(6,38,31,.06);
}

.tab-panel.active {
  display: block;
}

.text-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--green-700);
  font-weight: 900;
}

.alt-bg {
  background: linear-gradient(135deg, var(--green-950), var(--green-900));
  color: var(--white);
}

.alt-bg .section-heading h2,
.alt-bg .workflow-step h3 {
  color: var(--white);
}

.alt-bg .section-heading p,
.alt-bg .workflow-step p {
  color: rgba(255,255,255,.72);
}

.alt-bg .eyebrow {
  color: var(--green-300);
}

.trade-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 48px;
  align-items: center;
}

.workflow {
  display: grid;
  gap: 14px;
}

.workflow-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  align-items: start;
  padding: 22px;
  border-radius: 22px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
}

.workflow-step span {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  background: var(--green-300);
  color: var(--green-950);
  font-weight: 900;
}

.image-split {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.panel {
  padding: 24px;
}

.panel img {
  border-radius: 20px;
  margin-bottom: 18px;
}

.market-signals {
  padding-top: 20px;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.signal-card {
  padding: 24px;
  display: grid;
  gap: 12px;
}

.signal-card strong {
  color: var(--green-900);
  font-size: 34px;
  line-height: 1;
  letter-spacing: -.05em;
}

.signal-card span,
.source-note {
  color: var(--muted);
  font-size: 14px;
}

.source-note {
  max-width: 800px;
  margin: 24px auto 0;
  text-align: center;
}

.cta-section {
  background: radial-gradient(circle at 20% 10%, rgba(128,247,180,.25), transparent 24rem), var(--green-950);
  color: var(--white);
}

.cta-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 52px;
  align-items: center;
}

.cta-copy h2 {
  color: var(--white);
}

.cta-copy p {
  color: rgba(255,255,255,.72);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 13px;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.88);
  font-weight: 700;
}

.check-list li::before {
  content: "✓";
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--green-300);
  color: var(--green-950);
  font-weight: 900;
  flex: 0 0 28px;
}

.lead-form {
  padding: 28px;
  background: rgba(255,255,255,.95);
  box-shadow: var(--shadow);
}

.lead-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--green-900);
  font-size: 14px;
  font-weight: 900;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  border: 1px solid rgba(11,59,46,.16);
  border-radius: 16px;
  padding: 14px 15px;
  background: #f7fbf8;
  color: var(--dark);
  outline: none;
  transition: border .2s ease, box-shadow .2s ease, background .2s ease;
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  border-color: rgba(25,195,125,.78);
  box-shadow: 0 0 0 4px rgba(25,195,125,.13);
  background: var(--white);
}

.form-status {
  min-height: 22px;
  margin: 14px 0 0;
  color: var(--green-700);
  font-size: 14px;
  font-weight: 800;
}

.site-footer {
  padding: 64px 0 28px;
  background: #fefefe;
  color: var(--dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr 1fr;
  gap: 48px;
}

.footer-logo {
  width: min(300px, 100%);
  margin-bottom: 18px;
  border-radius: 0;
  background: transparent;
  padding: 0;
}

.site-footer h3 {
  margin: 0 0 12px;
  color: var(--dark);
}

.site-footer p {
  margin: 0 0 12px;
  color: var(--green-950);
}

.site-footer a {
  color: var(--green-700);
  font-weight: 800;
}

.bangla-line {
  color: var(--green-950);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 28px;
  margin-top: 42px;
  border-top: 1px solid rgba(6, 38, 31, .12);
  color: var(--green-950);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .18s; }
.delay-3 { transition-delay: .26s; }

@media (max-width: 1020px) {
  .hero-inner,
  .split-section,
  .trade-grid,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .hero-badge-panel {
    justify-self: start;
    width: min(100%, 760px);
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .split-copy {
    max-width: none;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    inset: calc(var(--header-height) + 10px) 20px auto 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px;
    border-radius: 24px;
    background: rgba(253,253,252,.98);
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
  }

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

  .nav-menu a {
    padding: 14px;
  }

  .nav-cta {
    text-align: center;
    margin-top: 10px;
  }

  .section-gap {
    padding: 56px 0 48px;
  }

  .section {
    padding: 70px 0;
  }

  .hero-inner {
    min-height: 720px;
    padding: 70px 0 88px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(3, 28, 22, .94) 0%, rgba(6, 38, 31, .80) 46%, rgba(6, 38, 31, .34) 100%),
      linear-gradient(180deg, rgba(0,0,0,.22) 0%, rgba(0,0,0,.10) 42%, rgba(6,38,31,.72) 100%);
  }

  .hero-bg img {
    object-position: 58% center;
  }

  .hero-badge-panel,
  .image-split,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  :root {
    --header-height: 98px;
  }

  .container {
    width: min(100% - 28px, 1160px);
  }

  .brand img {
    width: 220px;
  }

  .hero-inner {
    min-height: 760px;
    padding: 56px 0 86px;
  }

  .hero h1 {
    font-size: clamp(40px, 12vw, 54px);
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .feature-grid,
  .signal-grid,
  .problem-grid {
    grid-template-columns: 1fr;
  }

  .hero-badge-panel {
    display: none;
  }

  .storage-tabs {
    width: 100%;
    justify-content: center;
    border-radius: 22px;
  }

  .tab-btn {
    flex: 1;
  }

  .workflow-step {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }
}