:root {
  --bg: #f6f2ea;
  --ink: #17211c;
  --muted: #617067;
  --line: rgba(23, 33, 28, 0.14);
  --green: #0b7f4f;
  --green-dark: #075235;
  --gold: #d79b3f;
  --card: rgba(255, 255, 255, 0.76);
  --shadow: 0 24px 80px rgba(20, 35, 28, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 4%, rgba(215, 155, 63, 0.16), transparent 34%),
    linear-gradient(180deg, #fbf7ef 0%, var(--bg) 44%, #eef4ef 100%);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  margin: 16px auto 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(246, 242, 234, 0.88);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 160px;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: var(--green-dark);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

nav a:hover {
  color: var(--green-dark);
}

.lang-toggle,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}

.lang-toggle {
  width: 54px;
  border: 1px solid var(--line);
  color: var(--green-dark);
  background: #fff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: 56px;
  align-items: center;
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100vh - 90px);
  margin: 0 auto;
  padding: 72px 0 56px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: 0;
}

.hero-text,
.section p,
.feature-grid p,
.reason-grid p,
.data-panel p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.hero-text {
  max-width: 660px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  padding: 0 18px;
  border: 1px solid transparent;
}

.button.primary {
  color: #fff;
  background: var(--green-dark);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.75);
}

.hero-visual {
  position: relative;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0.08)),
    #dfe8de;
  box-shadow: var(--shadow);
}

.mountain {
  position: absolute;
  inset: auto 0 0;
  width: 100%;
  height: 54%;
  object-fit: cover;
  image-rendering: auto;
}

.character {
  position: absolute;
  left: 7%;
  right: 7%;
  bottom: 28%;
  width: 86%;
  object-fit: contain;
}

.slogan {
  position: absolute;
  left: 8%;
  top: 8%;
  width: min(260px, 58%);
}

.coach-card {
  position: absolute;
  right: 22px;
  bottom: 24px;
  width: min(310px, calc(100% - 44px));
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 60px rgba(25, 48, 35, 0.18);
}

.coach-card span {
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.coach-card strong {
  display: block;
  margin: 8px 0;
  font-size: 19px;
}

.coach-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 80px 0;
}

.intro {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 48px;
  border-top: 1px solid var(--line);
}

.reason-grid,
.feature-grid,
.metric-grid {
  display: grid;
  gap: 16px;
}

.reason-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.reason-grid article,
.feature-grid article {
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.reason-grid span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--gold);
  font-weight: 900;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.icon {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 34px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: var(--green-dark);
  font-weight: 900;
}

.data-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 40px;
  align-items: center;
  margin-bottom: 64px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(120deg, rgba(7, 82, 53, 0.94), rgba(11, 127, 79, 0.78)),
    var(--green-dark);
  color: #fff;
  box-shadow: var(--shadow);
}

.data-panel .eyebrow,
.data-panel p {
  color: rgba(255, 255, 255, 0.76);
}

.metric-grid {
  grid-template-columns: repeat(3, 1fr);
}

.metric-grid div {
  min-height: 160px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.metric-grid strong,
.metric-grid span {
  display: block;
}

.metric-grid strong {
  margin-bottom: 42px;
  font-size: 30px;
}

.metric-grid span {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 960px) {
  .site-header {
    align-items: flex-start;
  }

  nav {
    display: none;
  }

  .hero,
  .intro,
  .data-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .hero-visual {
    min-height: 440px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header,
  .hero,
  .section,
  footer {
    width: min(100% - 28px, 1180px);
  }

  .brand {
    min-width: 0;
  }

  .hero-visual {
    min-height: 360px;
  }

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

  .data-panel {
    padding: 28px;
  }

  footer {
    flex-direction: column;
  }
}