:root {
  --bg: #faf9f5;
  --surface: #ffffff;
  --surface-warm: #f4f2ea;
  --ink: #141413;
  --ink-soft: #36352f;
  --muted: #6e6d64;
  --faint: #8c8b80;
  --line: #e8e6dc;
  --line-strong: #dcd9cc;
  --clay: #d97757;
  --clay-deep: #bf5e3f;
  --green: #788c5d;
  --blue: #6a9bcc;
  --radius: 16px;
  --radius-sm: 10px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Lora", Georgia, serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

::selection {
  background: var(--clay);
  color: #fff;
}

h1, h2, h3, h4 {
  font-family: "Poppins", Arial, sans-serif;
  margin-top: 0;
  letter-spacing: -0.02em;
}

.shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding-right: 40px;
  padding-left: 40px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: rgba(250, 249, 245, 0.78);
  backdrop-filter: blur(12px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 1px 0 rgba(20, 20, 19, 0.02);
}

.header-inner,
.brand,
.nav,
.lang-switch,
.footer-inner,
.status,
.group-grid a {
  display: flex;
  align-items: center;
}

.header-inner {
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  gap: 11px;
  font-family: "Poppins", Arial, sans-serif;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-mark,
.footer-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Poppins", Arial, sans-serif;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  background: var(--clay);
  border-radius: 7px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  font-size: 16px;
}

.nav {
  gap: 4px;
}

.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-family: "Poppins", Arial, sans-serif;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.15s ease, background 0.15s ease;
}

.nav a:hover {
  color: var(--ink);
  background: var(--surface-warm);
}

.lang-switch {
  margin-left: 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  overflow: hidden;
}

.lang-switch span {
  padding: 6px 13px;
  color: var(--muted);
  font-family: "Poppins", Arial, sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.lang-switch .active {
  background: var(--ink);
  color: var(--bg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: none;
}

.hero-inner {
  position: relative;
  padding-top: 130px;
  padding-bottom: 110px;
}

.mono-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Poppins", Arial, sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--clay-deep);
}

.mono-label span {
  color: var(--faint);
}

.hero .mono-label::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--clay);
}

.hero h1 {
  max-width: 18ch;
  margin: 26px 0 0;
  font-size: clamp(40px, 6vw, 78px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.hero p {
  max-width: 56ch;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 1.5vw, 21px);
  line-height: 1.65;
}

.stats {
  display: grid;
  max-width: 620px;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 64px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.stats div {
  padding: 30px 30px;
}

.stats div + div {
  border-left: 1px solid var(--line);
}

.stats strong {
  display: block;
  font-family: "Poppins", Arial, sans-serif;
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
  color: var(--clay);
}

.stats span {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-family: "Poppins", Arial, sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- Sections ---------- */
.section {
  border-top: 1px solid var(--line);
}

.section > .shell {
  padding-top: 100px;
  padding-bottom: 100px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-end;
  justify-content: space-between;
}

.section-head h2,
.ecosystem h2,
.contact h2 {
  max-width: 20ch;
  margin: 18px 0 0;
  font-size: clamp(30px, 3.6vw, 48px);
  font-weight: 600;
  line-height: 1.1;
}

/* ---------- Portfolio table ---------- */
.portfolio-table {
  margin-top: 56px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.table-row {
  display: grid;
  grid-template-columns: 54px 1.7fr 1.1fr 1fr 40px;
  gap: 24px;
  align-items: center;
}

.table-head {
  padding: 18px 28px;
  background: var(--surface-warm);
  border-bottom: 1px solid var(--line);
}

.table-head span {
  color: var(--faint);
  font-family: "Poppins", Arial, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-row {
  width: 100%;
  padding: 30px 28px;
  color: inherit;
  transition: background 0.18s ease;
}

.product-row + .product-row {
  border-top: 1px solid var(--line);
}

.product-row:hover {
  background: var(--surface-warm);
}

.num {
  font-family: "Poppins", Arial, sans-serif;
  color: var(--faint);
  font-size: 14px;
  font-weight: 500;
}

.product-row strong {
  display: block;
  font-family: "Poppins", Arial, sans-serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.product-row small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.product-row > span:nth-child(3) {
  color: var(--ink-soft);
  font-size: 15px;
}

.status {
  gap: 9px;
  font-family: "Poppins", Arial, sans-serif;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
}

i.live,
i.dev,
.group-grid i {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
}

i.live {
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(120, 140, 93, 0.18);
}

i.dev {
  background: var(--clay);
  box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.16);
}

.arrow {
  justify-self: end;
  color: var(--faint);
  font-size: 20px;
  transition: transform 0.18s ease, color 0.18s ease;
}

.product-row:hover .arrow {
  color: var(--clay);
  transform: translateX(4px);
}

/* ---------- Ecosystem ---------- */
.ecosystem {
  background: var(--surface-warm);
}

.ecosystem h2 {
  max-width: 26ch;
  font-size: clamp(28px, 3.2vw, 42px);
}

.group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-top: 52px;
  align-items: start;
}

.group-grid article {
  padding: 30px 30px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.group-grid a {
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  font-family: "Poppins", Arial, sans-serif;
  border-top: 1px solid var(--line);
  transition: color 0.15s ease;
}

.group-grid a:first-of-type {
  margin-top: 18px;
}

.group-grid a:hover {
  color: var(--clay);
}

.group-grid span {
  font-size: 16px;
  font-weight: 500;
}

.journey {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 48px;
}

.journey span {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  font-family: "Poppins", Arial, sans-serif;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
}

.journey b {
  color: var(--clay);
  font-size: 16px;
  font-weight: 400;
}

/* ---------- Vision ---------- */
.vision > .shell {
  padding-bottom: 100px;
}

.vision > .shell > p {
  max-width: 22ch;
  margin: 24px 0 0;
  font-family: "Poppins", Arial, sans-serif;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.vision-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.vision-grid article {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 34px 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.vision-grid span {
  flex: none;
  font-family: "Poppins", Arial, sans-serif;
  color: var(--clay);
  font-size: 15px;
  font-weight: 600;
}

.vision-grid p {
  max-width: 34ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.5;
}

/* ---------- Details ---------- */
.details > .shell {
  padding-top: 40px;
}

.detail {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.detail-label {
  font-family: "Poppins", Arial, sans-serif;
  color: var(--faint);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.detail h3 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.visit-link {
  display: inline-flex;
  align-items: center;
  margin-top: 20px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-family: "Poppins", Arial, sans-serif;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.18s ease, transform 0.18s ease;
}

.visit-link:hover {
  background: var(--clay);
  transform: translateY(-1px);
}

.detail p {
  max-width: 60ch;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.6;
}

.detail blockquote {
  position: relative;
  max-width: 32ch;
  margin: 30px 0 0;
  padding-left: 22px;
  border-left: 3px solid var(--clay);
  font-family: "Lora", Georgia, serif;
  font-style: italic;
  color: var(--ink);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  line-height: 1.3;
}

.detail ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.detail li {
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 16px;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--ink);
  color: var(--bg);
}

.contact .mono-label {
  color: var(--clay);
}

.contact h2 {
  max-width: 18ch;
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.06;
}

.contact p {
  max-width: 46ch;
  margin: 22px 0 0;
  color: var(--mid, #b0aea5);
  font-size: 19px;
  line-height: 1.6;
}

.contact a {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  margin-top: 40px;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--clay);
  color: #fff;
  font-family: "Poppins", Arial, sans-serif;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 500;
  transition: background 0.18s ease, transform 0.18s ease;
}

.contact a:hover {
  background: #fff;
  color: var(--ink);
  transform: translateY(-1px);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding-top: 34px;
  padding-bottom: 34px;
  font-family: "Poppins", Arial, sans-serif;
  color: var(--muted);
  font-size: 13px;
}

.footer-inner > div {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.footer-mark {
  width: 22px;
  height: 22px;
  font-size: 12px;
}

.footer-inner div span:nth-child(2) {
  color: var(--ink);
  font-weight: 600;
}

.muted {
  color: var(--faint);
}

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .shell {
    padding-right: 22px;
    padding-left: 22px;
  }

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

  .nav {
    width: 100%;
    flex-wrap: wrap;
    padding-bottom: 4px;
  }

  .hero-inner {
    padding-top: 84px;
    padding-bottom: 80px;
  }

  .section > .shell {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .stats,
  .group-grid,
  .vision-grid {
    grid-template-columns: 1fr;
  }

  .stats div + div {
    border-left: none;
    border-top: 1px solid var(--line);
  }

  .table-head {
    display: none;
  }

  .table-row,
  .detail {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .detail {
    gap: 24px;
  }

  .product-row {
    position: relative;
    padding: 24px 20px;
  }

  .arrow {
    position: absolute;
    top: 26px;
    right: 18px;
  }

  .product-row > span:nth-child(2) {
    padding-right: 32px;
  }

  .status {
    margin-top: 2px;
  }

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

  .journey b {
    padding-left: 14px;
    transform: rotate(90deg);
  }
}

@media (max-width: 480px) {
  .brand span:last-child {
    font-size: 17px;
  }

  .nav a {
    padding-right: 10px;
    padding-left: 10px;
    font-size: 13px;
  }

  .lang-switch {
    margin-left: 0;
  }

  .hero h1 {
    max-width: none;
  }
}