:root {
  --zb-primary: #a8fbce;
  --zb-hover: #75f38d;
  --zb-highlight: #eef4ef;
  --zb-border: #d7e3d8;
  --zb-text: #000000;
  --zb-muted: #667068;
  --zb-green-text: #3d7d4c;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--zb-text);
  font-family: "Urbanist", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #ffffff;
}

/* 🟢 V7 MASTER Official Background Standard 1.0 */
.v7-background {
  position: relative;
  min-height: 100vh;
  background-color: #ffffff;
}

.v7-background::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: #ffffff;
  background-image: url("../assets/background/alfa-background.webp");
  background-repeat: no-repeat;
  background-position: right bottom;
  background-size: cover;
}

.v7-background > * {
  position: relative;
  z-index: 1;
}

.about-main {
  min-width: 0;
  min-height: 100vh;
  background: transparent;
}

.global-header {
  min-height: 64px;
  padding: 0 28px;
  border-bottom: 1px solid var(--zb-border);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-brand {
  color: #347244;
  font-size: 12px;
  font-weight: 600;
}

.global-header h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.header-status {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--zb-muted);
  font-size: 11px;
}

.header-status span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--zb-hover);
}

.about-shell {
  width: min(1120px, calc(100% - 56px));
  margin: 0 auto;
  padding: 34px 0 28px;
}

.hero,
.alfa,
.company,
.legal,
.cta {
  border: 1px solid var(--zb-border);
  border-radius: 20px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(2px);
}

.hero {
  min-height: 390px;
  padding: 42px 48px;
  display: grid;
  grid-template-columns: 1.28fr .72fr;
  gap: 52px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: #397648;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
}

.hero h2,
.mission h2,
.alfa h2,
.company h2,
.legal h2,
.cta h2 {
  margin: 0;
  font-weight: 500;
  letter-spacing: -.04em;
}

.hero h2 {
  font-size: clamp(42px, 4.9vw, 60px);
  line-height: 1.0;
}

.hero h2 span { color: var(--zb-green-text); }

.lead {
  max-width: 610px;
  margin: 21px 0 0;
  color: var(--zb-muted);
  font-size: 15px;
  line-height: 1.62;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #111;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: transform .18s ease, background .18s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--zb-primary); border-color: #94eab8; }
.btn.primary:hover { background: var(--zb-hover); }
.btn.secondary { background: rgba(255,255,255,.97); border-color: var(--zb-border); }

.hero-stat {
  min-height: 246px;
  padding: 28px;
  border-radius: 18px;
  background: rgba(238,244,239,.95);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stat-year {
  color: #387548;
  font-size: clamp(54px, 7vw, 82px);
  font-weight: 500;
  letter-spacing: -.065em;
  line-height: .92;
}

.stat-caption {
  margin-top: 12px;
  color: var(--zb-muted);
  font-size: 12px;
}

.stat-divider {
  height: 1px;
  margin: 20px 0;
  background: var(--zb-border);
}

.stat-experience {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.stat-experience strong {
  color: #387548;
  font-size: 20px;
  font-weight: 600;
}

.stat-experience span {
  color: var(--zb-muted);
  font-size: 12px;
}

.mission {
  padding: 58px 4px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.mission h2,
.alfa h2,
.company h2,
.legal h2,
.cta h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.08;
}

.mission-copy p,
.alfa-copy > p:not(.eyebrow) {
  margin: 0 0 13px;
  color: var(--zb-muted);
  font-size: 14px;
  line-height: 1.66;
}

.values {
  margin-bottom: 52px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.value-card {
  min-height: 150px;
  padding: 22px;
  border: 1px solid var(--zb-border);
  border-radius: 16px;
  background: rgba(255,255,255,.92);
  transition: transform .18s ease;
}

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

.value-number {
  color: #6da578;
  font-size: 10px;
  font-weight: 700;
}

.value-card h3 {
  margin: 18px 0 8px;
  font-size: 16px;
  font-weight: 600;
}

.value-card p,
.legal p {
  margin: 0;
  color: var(--zb-muted);
  font-size: 12.5px;
  line-height: 1.58;
}

.alfa {
  padding: 38px 42px;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 52px;
  align-items: center;
}

.text-link {
  display: inline-block;
  margin-top: 10px;
  color: #347244;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.text-link span {
  display: inline-block;
  margin-left: 6px;
  transition: transform .18s ease;
}

.text-link:hover span { transform: translateX(3px); }

.spec-card {
  padding: 22px;
  border-radius: 16px;
  background: rgba(238,244,239,.95);
}

.spec-card div {
  padding: 13px 0;
  border-bottom: 1px solid var(--zb-border);
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.spec-card div:last-child { border-bottom: 0; }
.spec-card span { color: var(--zb-muted); font-size: 12px; }
.spec-card strong { font-size: 13px; }

.company,
.legal {
  margin-top: 16px;
  padding: 38px 42px;
}

.company {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 54px;
}

.company-data { margin: 0; }

.company-data div {
  padding: 12px 0;
  border-bottom: 1px solid var(--zb-border);
  display: grid;
  grid-template-columns: 165px 1fr;
  gap: 18px;
}

.company-data dt {
  color: var(--zb-muted);
  font-size: 12px;
}

.company-data dd {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
}

.company-data a {
  color: #2d6c3b;
  text-decoration: none;
}

.legal-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.legal article {
  padding: 20px;
  border-radius: 14px;
  background: rgba(238,244,239,.95);
}

.legal h3 {
  margin: 0 0 9px;
  font-size: 15px;
}

.cta {
  margin-top: 16px;
  padding: 34px 42px;
  background: rgba(238,244,239,.92);
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
}

.cta .hero-actions { margin: 0; }

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .55s ease, transform .55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .global-header {
    min-height: 58px;
    padding: 0 16px;
    grid-template-columns: 1fr auto;
  }

  .header-brand,
  .header-status {
    display: none;
  }

  .global-header h1 {
    justify-self: start;
  }

  .about-shell {
    width: calc(100% - 20px);
    padding-top: 14px;
  }

  .hero,
  .mission,
  .alfa,
  .company {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero {
    min-height: 0;
    padding: 30px 20px;
  }

  .hero h2 {
    font-size: clamp(36px, 11vw, 50px);
  }

  .lead {
    font-size: 14px;
  }

  .hero-stat {
    min-height: 210px;
  }

  .mission {
    padding: 48px 4px 40px;
  }

  .values {
    grid-template-columns: 1fr;
    margin-bottom: 44px;
  }

  .alfa,
  .company,
  .legal,
  .cta {
    padding: 28px 20px;
    border-radius: 18px;
  }

  .company-data div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

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

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

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

  .btn {
    flex: 1 1 145px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}