:root {
  --green-950: #0f3d23;
  --green-700: #1e7a3a;
  --lime-500: #a6d34e;
  --lime-300: #c9e46a;
  --gray-600: #6b6b6b;
  --soft: #f2f2f2;
  --ink: #142019;
  --white: #ffffff;
  --line: rgba(15, 61, 35, 0.14);
  --shadow: 0 24px 70px rgba(15, 61, 35, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Poppins", Arial, sans-serif;
  color: var(--ink);
  background: var(--soft);
}

body.menu-open {
  overflow: hidden;
}

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

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

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

.site-header {
  position: fixed;
  z-index: 50;
  top: 18px;
  left: 50%;
  display: flex;
  width: min(1160px, calc(100% - 32px));
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 14px 22px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 8px;
  background: rgba(242, 242, 242, 0.86);
  box-shadow: 0 18px 60px rgba(15, 61, 35, 0.12);
  transform: translateX(-50%);
  transition: background 180ms ease, box-shadow 180ms ease;
  backdrop-filter: blur(18px);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 48px rgba(15, 61, 35, 0.14);
}

.brand img {
  width: 228px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.92rem;
  font-weight: 700;
  color: rgba(20, 32, 25, 0.76);
}

.site-nav a {
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--green-700);
}

.nav-cta {
  padding: 13px 18px;
  border-radius: 8px;
  color: var(--white) !important;
  background: var(--green-950);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 8px;
  background: var(--green-950);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
}

.hero {
  position: relative;
  min-height: 700px;
  padding: 170px 0 78px;
  overflow: hidden;
  color: var(--white);
  background: var(--green-950);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 12%, rgba(201, 228, 106, 0.26), transparent 30%),
    linear-gradient(115deg, rgba(15, 61, 35, 0.95) 0%, rgba(15, 61, 35, 0.9) 42%, rgba(30, 122, 58, 0.84) 100%);
}

.hero-backdrop::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.13;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent, #000 35%, #000);
}

.hero-backdrop::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(201, 228, 106, 0.36);
}

.platform-board {
  position: absolute;
  right: max(24px, calc((100vw - 1160px) / 2) - 24px);
  bottom: 72px;
  width: min(430px, 36vw);
  min-height: 350px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(242, 242, 242, 0.1);
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.32);
  transform: perspective(1100px) rotateY(-9deg) rotateX(4deg);
  backdrop-filter: blur(16px);
}

.board-top {
  display: flex;
  gap: 7px;
  padding: 8px 0 22px;
}

.board-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.42);
}

.board-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 14px;
}

.board-panel {
  min-height: 112px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.13);
}

.panel-wide {
  grid-column: 1 / -1;
}

.board-panel small,
.board-panel em {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-style: normal;
  font-weight: 600;
}

.board-panel strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(1.8rem, 4vw, 3.5rem);
  line-height: 0.95;
}

.progress {
  height: 8px;
  margin-top: 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

.progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--lime-300);
}

.panel-list b {
  display: block;
  height: 12px;
  margin-top: 18px;
  border-radius: 999px;
  background: rgba(201, 228, 106, 0.68);
}

.panel-list b:nth-child(3) {
  width: 78%;
}

.panel-list b:nth-child(4) {
  width: 58%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1160px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero .eyebrow,
.platform .section-kicker {
  color: var(--lime-300);
}

.hero h1 {
  width: min(660px, 100%);
  margin: 0;
  font-size: clamp(2.75rem, 5.8vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-copy {
  width: min(610px, 100%);
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(0.98rem, 1.5vw, 1.12rem);
  line-height: 1.72;
}

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

.hero-actions {
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 15px 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.btn-primary {
  color: var(--green-950);
  background: var(--lime-300);
}

.btn-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics {
  margin-top: 48px;
  color: rgba(255, 255, 255, 0.72);
}

.hero-metrics span {
  min-width: 140px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  font-weight: 600;
}

.hero-metrics strong {
  display: block;
  color: var(--white);
  font-size: 2rem;
}

.section {
  padding: 112px 0;
}

.split,
.platform-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 76px;
  align-items: center;
}

h2 {
  margin: 0;
  color: var(--green-950);
  font-size: clamp(1.85rem, 3.4vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--green-950);
  font-size: 1.24rem;
  line-height: 1.18;
}

p {
  color: rgba(20, 32, 25, 0.72);
  line-height: 1.75;
}

.intro {
  position: relative;
  z-index: 3;
  margin-top: -1px;
  border-top: 1px solid rgba(15, 61, 35, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(242, 242, 242, 0) 150px),
    var(--soft);
}

.text-stack p {
  margin: 0;
  font-size: 1.05rem;
}

.text-stack p + p {
  margin-top: 20px;
}

.section-heading {
  max-width: 740px;
  margin-bottom: 44px;
}

.section-heading.compact {
  max-width: 680px;
}

.section-heading p:not(.section-kicker) {
  margin: 22px 0 0;
  font-size: 1.05rem;
}

.method {
  background: var(--white);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.method-grid article,
.program-card,
.timeline article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.method-grid article {
  min-height: 300px;
  padding: 30px;
}

.method-grid p,
.program-card p,
.timeline p {
  margin: 18px 0 0;
}

.card-icon {
  display: inline-flex;
  min-width: 82px;
  height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 34px;
  padding: 8px 10px 8px 8px;
  border: 1px solid rgba(30, 122, 58, 0.16);
  border-radius: 8px;
  color: var(--green-950);
  background: rgba(166, 211, 78, 0.14);
}

.card-icon .material-symbols-rounded {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--green-700);
  font-family: "Material Symbols Rounded";
  font-size: 1.55rem;
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 24;
  font-weight: normal;
  line-height: 1;
}

.card-icon small {
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.programs {
  background: linear-gradient(180deg, var(--soft), #ffffff 72%), var(--soft);
}

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

.program-card {
  min-height: 330px;
  padding: 28px;
  box-shadow: 0 14px 40px rgba(15, 61, 35, 0.06);
}

.program-card:nth-child(2) {
  background: var(--green-950);
}

.program-card:nth-child(2) h3,
.program-card:nth-child(2) p,
.program-card:nth-child(2) .card-icon small {
  color: var(--white);
}

.program-card:nth-child(2) p {
  opacity: 0.78;
}

.program-card:nth-child(2) .card-icon {
  border-color: rgba(201, 228, 106, 0.26);
  background: rgba(201, 228, 106, 0.13);
}

.program-card:nth-child(2) .card-icon .material-symbols-rounded {
  color: var(--green-950);
  background: var(--lime-300);
}

.platform-modules {
  background:
    linear-gradient(180deg, #ffffff 0%, var(--soft) 100%);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.module-card {
  min-height: 390px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(15, 61, 35, 0.07);
}

.module-card.featured {
  color: var(--white);
  background:
    radial-gradient(circle at 86% 10%, rgba(201, 228, 106, 0.22), transparent 30%),
    var(--green-950);
  box-shadow: 0 26px 70px rgba(15, 61, 35, 0.2);
}

.module-card.featured h3,
.module-card.featured p,
.module-card.featured li,
.module-card.featured .card-icon small {
  color: var(--white);
}

.module-card.featured p,
.module-card.featured li {
  opacity: 0.78;
}

.module-card.featured .card-icon {
  border-color: rgba(201, 228, 106, 0.26);
  background: rgba(201, 228, 106, 0.13);
}

.module-card.featured .card-icon .material-symbols-rounded {
  color: var(--green-950);
  background: var(--lime-300);
}

.module-card p {
  margin: 18px 0 0;
}

.module-card ul {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.module-card li {
  position: relative;
  padding-left: 24px;
  color: rgba(20, 32, 25, 0.7);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.45;
}

.module-card li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime-500);
}

.platform {
  overflow: hidden;
  color: var(--white);
  background: var(--green-950);
}

.platform h2,
.platform p {
  color: var(--white);
}

.platform p {
  max-width: 560px;
  margin: 24px 0 30px;
  opacity: 0.78;
}

.product-preview {
  display: grid;
  grid-template-columns: 116px 1fr;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.24);
}

.preview-sidebar {
  padding: 24px 18px;
  background: rgba(255, 255, 255, 0.12);
}

.preview-sidebar img {
  width: 74px;
  margin: 0 auto 44px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.preview-sidebar span {
  display: block;
  height: 10px;
  margin: 18px 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
}

.preview-sidebar span:nth-of-type(1) {
  background: var(--lime-300);
}

.preview-main {
  padding: 30px;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.preview-header strong,
.preview-header small {
  color: var(--white);
}

.lesson-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 18px;
  padding: 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.lesson-row.active {
  background: rgba(201, 228, 106, 0.2);
}

.lesson-row b {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: var(--lime-300);
}

.lesson-row strong,
.lesson-row span {
  display: block;
  color: var(--white);
}

.lesson-row span {
  margin-top: 4px;
  opacity: 0.66;
}

.preview-chart {
  display: flex;
  height: 132px;
  align-items: end;
  gap: 18px;
  margin-top: 26px;
  padding: 20px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.preview-chart span {
  flex: 1;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, var(--lime-300), var(--green-700));
}

.journey {
  background: var(--white);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.timeline article {
  position: relative;
  min-height: 280px;
  padding: 30px;
  background: var(--soft);
}

.timeline article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 30px;
  width: 72px;
  height: 4px;
  background: var(--lime-500);
}

.closing {
  padding: 108px 0;
  text-align: center;
  background: var(--soft);
}

.closing-inner {
  display: flex;
  max-width: 860px;
  flex-direction: column;
  align-items: center;
}

.closing img {
  width: min(360px, 78vw);
  margin-bottom: 42px;
}

blockquote {
  margin: 0;
  color: var(--green-950);
  font-size: clamp(2rem, 5.4vw, 4.3rem);
  font-weight: 800;
  line-height: 1;
}

.closing p {
  max-width: 560px;
  margin: 24px auto 30px;
  font-size: 1.08rem;
}

.site-footer {
  position: relative;
  overflow: hidden;
  padding: 72px 0 28px;
  color: rgba(255, 255, 255, 0.72);
  background:
    radial-gradient(circle at 86% 8%, rgba(201, 228, 106, 0.16), transparent 28%),
    linear-gradient(145deg, #082616 0%, var(--green-950) 48%, #123f25 100%);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 68px 68px;
  pointer-events: none;
}

.footer-grid,
.footer-bottom {
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.35fr) 0.7fr 0.9fr;
  gap: 56px;
  padding-bottom: 52px;
}

.footer-brand img {
  width: min(360px, 100%);
  margin-bottom: 26px;
}

.footer-brand p {
  max-width: 520px;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
}

.footer-links,
.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 13px;
}

.footer-links span,
.footer-contact span {
  margin-bottom: 7px;
  color: var(--lime-300);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-links a,
.footer-contact a {
  color: rgba(255, 255, 255, 0.76);
  font-weight: 600;
  transition: color 160ms ease, transform 160ms ease;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--lime-300);
  transform: translateX(3px);
}

.footer-cta {
  margin-top: 10px;
  padding: 13px 17px;
  border: 1px solid rgba(201, 228, 106, 0.32);
  border-radius: 8px;
  color: var(--green-950) !important;
  background: var(--lime-300);
  font-weight: 800 !important;
}

.footer-cta:hover {
  color: var(--green-950) !important;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.58);
}

@media (max-width: 1020px) {
  .site-nav {
    gap: 16px;
  }

  .platform-board {
    opacity: 0.32;
    right: -130px;
    width: 480px;
  }

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

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

  .split,
  .platform-layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .site-header {
    top: 10px;
    width: calc(100% - 20px);
    min-height: 64px;
    padding: 12px;
  }

  .brand img {
    width: 190px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 82px;
    right: 10px;
    left: 10px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 10px 0;
  }

  .nav-cta {
    text-align: center;
  }

  .hero {
    min-height: 760px;
    padding: 150px 0 68px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 11.8vw, 3.75rem);
    line-height: 1.05;
  }

  .platform-board {
    right: -210px;
    bottom: 28px;
    width: 420px;
    opacity: 0.2;
  }

  .hero-metrics {
    margin-top: 42px;
  }

  .hero-metrics span {
    min-width: 120px;
  }

  .section {
    padding: 76px 0;
  }

  .method-grid,
  .program-grid,
  .module-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .method-grid article,
  .program-card,
  .timeline article {
    min-height: auto;
  }

  .product-preview {
    grid-template-columns: 74px 1fr;
    min-height: auto;
  }

  .preview-sidebar {
    padding: 18px 12px;
  }

  .preview-sidebar img {
    width: 46px;
  }

  .preview-main {
    padding: 18px;
  }

  .preview-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .lesson-row {
    grid-template-columns: 36px 1fr;
    padding: 14px;
  }

  .lesson-row b {
    width: 36px;
    height: 36px;
  }

  .preview-chart {
    gap: 10px;
    height: 104px;
  }

  .site-footer {
    padding-top: 56px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-brand img {
    width: min(300px, 100%);
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  .brand img {
    width: 164px;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-metrics {
    display: grid;
    grid-template-columns: 1fr;
  }
}