@font-face {
  font-family: 'IBM Plex Sans Thai';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-sans-thai-400-thai.woff2') format('woff2');
  unicode-range: U+0E01-0E5B, U+200C-200D, U+25CC;
}
@font-face {
  font-family: 'IBM Plex Sans Thai';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-sans-thai-500-thai.woff2') format('woff2');
  unicode-range: U+0E01-0E5B, U+200C-200D, U+25CC;
}
@font-face {
  font-family: 'IBM Plex Sans Thai';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-sans-thai-600-thai.woff2') format('woff2');
  unicode-range: U+0E01-0E5B, U+200C-200D, U+25CC;
}
@font-face {
  font-family: 'IBM Plex Sans Thai';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-sans-thai-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+2000-206F, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF;
}
@font-face {
  font-family: 'IBM Plex Sans Thai';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-sans-thai-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+2000-206F, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF;
}
@font-face {
  font-family: 'IBM Plex Sans Thai';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-sans-thai-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+2000-206F, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF;
}
@font-face {
  font-family: 'Kanit';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('./assets/fonts/kanit-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF;
}

:root {
  --paper: #f0ece4;
  --paper-deep: #e6e0d5;
  --surface: #fffdf8;
  --ink: #0a0a0a;
  --ink-soft: #2b2822;
  --muted: #6e685d;
  --muted-2: #948c7f;
  --line: #d8d0c2;
  --line-strong: #bdb3a3;
  --accent: #d9ff43;
  --accent-dark: #365200;
  --font: 'IBM Plex Sans Thai', 'Sukhumvit Set', 'Thonburi', -apple-system, BlinkMacSystemFont, sans-serif;
  --brand: 'Kanit', 'IBM Plex Sans Thai', sans-serif;
  --shell: min(1240px, calc(100% - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    linear-gradient(90deg, transparent 0, transparent calc(50% - .5px), rgba(10,10,10,.035) calc(50% - .5px), rgba(10,10,10,.035) calc(50% + .5px), transparent calc(50% + .5px)),
    linear-gradient(rgba(10,10,10,.025) 1px, transparent 1px);
  background-size: 100% 100%, 100% 92px;
}
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: var(--accent); color: var(--ink); }

.topbar {
  position: relative;
  z-index: 5;
  width: var(--shell);
  margin: 0 auto;
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(10,10,10,.16);
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__logo { width: 38px; height: 38px; display: block; border-radius: 50%; object-fit: cover; }
.brand__mark {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--brand);
  font-size: 15px;
  letter-spacing: -.03em;
  padding-top: 2px;
}
.brand__name {
  font-family: var(--brand);
  font-size: 17px;
  letter-spacing: -.02em;
}
.nav { display: flex; align-items: center; gap: 26px; font-size: 12px; font-weight: 500; color: var(--ink-soft); }
.nav a { transition: opacity .2s ease; }
.nav a:hover { opacity: .58; }
.nav__status {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid rgba(10,10,10,.24);
  border-radius: 99px;
  padding: 7px 12px;
  font-size: 10.5px;
  white-space: nowrap;
}
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: #2b8a56; box-shadow: 0 0 0 4px rgba(43,138,86,.12); }

.hero {
  position: relative;
  z-index: 2;
  width: var(--shell);
  margin: 0 auto;
  min-height: min(790px, calc(100svh - 92px));
  display: grid;
  grid-template-columns: 1.14fr .86fr;
  gap: 24px;
  align-items: center;
  padding: 64px 0 74px;
}
.eyebrow {
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 500;
}
.eyebrow__line { display: inline-block; width: 36px; height: 1px; background: currentColor; }
.hero h1 {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(44px, 6.4vw, 92px);
  font-weight: 600;
  line-height: .98;
  letter-spacing: -.045em;
}
.hero__accent { display: inline-block; position: relative; color: var(--accent-dark); }
.hero__accent::after {
  content: '';
  position: absolute;
  left: .01em; right: -.02em; bottom: .075em;
  height: .10em;
  background: var(--accent);
  z-index: -1;
  transform: rotate(-1deg);
}
.hero__lead {
  max-width: 470px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}
.hero__actions { display: flex; align-items: center; gap: 11px; margin-top: 32px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 13px;
  min-height: 49px; padding: 0 21px;
  border-radius: 99px;
  font-family: var(--font);
  font-size: 12px; font-weight: 500;
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--dark { background: var(--ink); color: var(--surface); }
.btn--dark:hover { background: #29251f; }
.btn__arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); color: var(--ink); font-size: 12px;
}
.btn--quiet { border-color: rgba(10,10,10,.2); color: var(--ink-soft); padding-right: 19px; }
.btn--quiet:hover { background: rgba(255,255,255,.4); }
.hero__note {
  display: flex; align-items: center; gap: 12px;
  margin-top: 42px;
  color: var(--muted-2);
  font-size: 10px; line-height: 1.65;
}
.hero__note-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 31px; height: 31px; border-radius: 50%; border: 1px solid var(--line-strong);
  font-family: var(--brand); font-size: 11px; color: var(--ink);
  flex: 0 0 auto;
}

.hero__visual {
  position: relative;
  min-height: 580px;
  display: flex; align-items: center; justify-content: center;
}
.orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(10,10,10,.2);
}
.orbit--outer { width: min(470px, 100%); aspect-ratio: 1; border-style: dashed; animation: spin 60s linear infinite; }
.orbit--inner { width: min(335px, 71%); aspect-ratio: 1; border-color: rgba(10,10,10,.14); }
.orbit::before, .orbit::after {
  content: ''; position: absolute; width: 7px; height: 7px; border-radius: 50%;
  background: var(--ink);
}
.orbit--outer::before { top: 7.5%; left: 22%; }
.orbit--outer::after { bottom: 16%; right: 7%; background: var(--accent); border: 1px solid var(--ink); }
.orbit--inner::before { top: 36%; left: -4px; background: var(--accent); border: 1px solid var(--ink); }
.orbit--inner::after { display: none; }
.orbit__dot { position: absolute; border-radius: 50%; }
.orbit__dot--one { width: 13px; height: 13px; background: var(--ink); top: 17%; right: 24%; }
.orbit__dot--two { width: 6px; height: 6px; background: var(--accent); border: 1px solid var(--ink); bottom: 22%; left: 13%; }
@keyframes spin { to { transform: rotate(360deg); } }

.monogram {
  position: relative;
  z-index: 2;
  width: min(225px, 48%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 26px 70px rgba(12,10,6,.18);
}
.monogram::after {
  content: ''; position: absolute; inset: 13px; border: 1px solid rgba(240,236,228,.16); border-radius: 50%;
}
.monogram__count {
  font-family: var(--brand);
  font-size: clamp(56px, 7vw, 82px);
  line-height: .9;
  letter-spacing: -.07em;
}
.monogram__caption {
  margin-top: 8px;
  color: rgba(240,236,228,.54);
  font-size: 9px;
  letter-spacing: .24em;
  text-transform: uppercase;
}
.float-tag {
  position: absolute; z-index: 3;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 11px;
  border: 1px solid rgba(10,10,10,.18);
  border-radius: 8px;
  background: rgba(255,253,248,.84);
  backdrop-filter: blur(9px);
  font-family: var(--brand);
  font-size: 11px;
  letter-spacing: -.01em;
  white-space: nowrap;
  box-shadow: 0 7px 20px rgba(15,12,7,.06);
  will-change: transform;
  animation: float 7.5s ease-in-out infinite;
}
.float-tag small { font-family: var(--font); color: var(--muted); font-size: 8.5px; letter-spacing: 0; margin-left: 1px; }
.float-tag__dot { width: 5px; height: 5px; border-radius: 50%; background: var(--ink); flex: 0 0 auto; }
.float-tag--a { top: 11%; left: 2%; --rot: -4deg; animation-delay: 0s; }
.float-tag--b { top: 25%; right: -1%; --rot: 3deg; animation-delay: -1.6s; }
.float-tag--c { bottom: 26%; left: 0%; --rot: 3deg; animation-delay: -3.1s; }
.float-tag--d { bottom: 11%; right: 6%; --rot: -3deg; animation-delay: -4.4s; }
.float-tag--e { top: 47%; right: -3%; --rot: -2deg; animation-delay: -5.7s; }
@keyframes float {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(var(--rot, 0deg)); }
  50% { transform: translate3d(0, -11px, 0) rotate(calc(var(--rot, 0deg) + 1.2deg)); }
}

.ticker {
  position: relative; z-index: 2;
  overflow: hidden;
  max-width: 100vw;
  border-top: 1px solid rgba(10,10,10,.18);
  border-bottom: 1px solid rgba(10,10,10,.18);
  background: rgba(255,253,248,.34);
}
.ticker__track {
  width: max-content;
  display: flex; align-items: center; gap: 27px;
  padding: 12px 0;
  animation: ticker 32s linear infinite;
  font-family: var(--brand);
  font-size: 10px; letter-spacing: .2em;
}
.ticker__track i { color: var(--accent-dark); font-style: normal; font-size: 11px; }
@keyframes ticker { to { transform: translateX(-50%); } }

.systems { position: relative; z-index: 2; width: var(--shell); margin: 0 auto; padding: 116px 0 70px; scroll-margin-top: 30px; }
.section-intro { margin-bottom: 38px; }
.section-intro__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.section-intro h2, .about h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -.025em;
}
.section-intro__row > p { max-width: 330px; margin: 0 0 5px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.system-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.system-card {
  min-height: 295px;
  padding: 27px 29px 22px;
  display: flex; flex-direction: column; justify-content: space-between;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: rgba(255,253,248,.18);
  transition: background .28s ease, color .28s ease;
}
.system-card:hover { background: var(--ink); color: var(--surface); }
.system-card:hover .system-card__kicker,
.system-card:hover .system-card__desc,
.system-card:hover .system-card__foot { color: rgba(255,253,248,.7); }
.system-card:hover .system-card__icon { border-color: rgba(255,253,248,.24); color: var(--accent); }
.system-card:hover .text-link { color: var(--accent); }
.system-card__top { display: flex; align-items: flex-start; justify-content: space-between; }
.system-card__num { color: var(--muted-2); font-family: var(--brand); font-size: 10px; letter-spacing: .12em; }
.system-card__arrow { display: inline-flex; align-items: center; justify-content: center; width: 27px; height: 27px; border: 1px solid var(--line-strong); border-radius: 50%; font-size: 13px; transition: transform .25s ease, border-color .25s ease; }
.system-card:hover .system-card__arrow { transform: translate(2px,-2px); border-color: rgba(255,253,248,.35); }
.system-card__icon { width: 31px; height: 31px; display: inline-flex; align-items: center; justify-content: center; margin: 1px 0 25px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--ink-soft); transition: border-color .25s ease, color .25s ease; }
.system-card__icon svg { width: 15px; height: 15px; }
.system-card__kicker { margin: 0 0 4px; color: var(--muted); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.system-card h3 { margin: 0; font-family: var(--brand); font-size: 24px; font-weight: 600; letter-spacing: -.04em; line-height: 1.1; }
.system-card__desc { max-width: 310px; margin: 7px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.system-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 28px; padding-top: 13px; border-top: 1px solid rgba(10,10,10,.12); color: var(--muted-2); font-size: 9px; }
.system-card:hover .system-card__foot { border-top-color: rgba(255,253,248,.15); }
.text-link { color: var(--ink-soft); font-size: 9.5px; font-weight: 500; white-space: nowrap; transition: color .25s ease; }

.about {
  position: relative; z-index: 2;
  width: var(--shell); margin: 0 auto;
  display: grid; grid-template-columns: .45fr 1fr .7fr;
  gap: 38px; align-items: end;
  padding: 98px 0 110px;
  border-top: 1px solid var(--line-strong);
}
.about__mark { font-family: var(--brand); font-size: clamp(90px, 13vw, 190px); line-height: .7; letter-spacing: -.09em; color: transparent; -webkit-text-stroke: 1px var(--line-strong); }
.about__copy h2 { font-size: clamp(28px, 3.4vw, 45px); line-height: 1.3; }
.about__copy em { font-style: normal; position: relative; z-index: 0; }
.about__copy em::after { content: ''; }
.about__copy em::after { content: ''; position: absolute; left: 0; right: 0; bottom: .03em; height: .18em; background: var(--accent); z-index: -1; }
.about__copy > p:last-child { max-width: 550px; margin: 23px 0 0; color: var(--muted); font-size: 12px; line-height: 1.9; }
.about__stats { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line-strong); }
.about__stats div { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.about__stats strong { font-family: var(--brand); font-size: 25px; font-weight: 600; letter-spacing: -.04em; }
.about__stats span { color: var(--muted); font-size: 9px; }

.footer { position: relative; z-index: 2; background: var(--ink); color: var(--surface); }
.footer__top, .footer__bottom { width: var(--shell); margin: 0 auto; }
.footer__top { display: grid; grid-template-columns: 1fr 1fr .7fr; gap: 30px; align-items: start; padding: 52px 0 58px; }
.brand--footer .brand__mark { background: var(--accent); color: var(--ink); }
.brand__logo--footer { width: 38px; height: 38px; }
.footer__top p { margin: 1px 0 0; color: rgba(255,253,248,.78); font-size: 14px; line-height: 1.7; }
.footer__top p span { color: rgba(255,253,248,.42); font-size: 10px; }
.footer__links { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; color: rgba(255,253,248,.56); font-size: 10px; }
.footer__links a { transition: color .2s ease; }
.footer__links a:hover { color: var(--accent); }
.footer__bottom { display: flex; justify-content: space-between; gap: 20px; padding: 16px 0 23px; border-top: 1px solid rgba(255,253,248,.14); color: rgba(255,253,248,.35); font-size: 8.5px; letter-spacing: .03em; }

@media (min-width: 901px) {
  .about__copy em { white-space: nowrap; }
}

@media (max-width: 900px) {
  :root { --shell: calc(100% - 40px); }
  .hero { grid-template-columns: 1fr; padding-top: 52px; gap: 0; }
  .hero__visual { min-height: 480px; margin-top: 22px; }
  .hero h1 { font-size: clamp(38px, 8.6vw, 72px); }
  .section-intro__row { display: block; }
  .section-intro__row > p { margin-top: 15px; }
  .about { grid-template-columns: .35fr 1fr; }
  .about__stats { grid-column: 2; grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .about__stats div { display: block; border-bottom: 0; border-top: 0; padding: 0; }
  .about__stats span { display: block; margin-top: 2px; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100% - 30px); }
  body::before { background-size: 100% 100%, 100% 80px; }
  .topbar { min-height: 74px; }
  .brand__mark { width: 33px; height: 33px; font-size: 13px; }
  .brand__name { font-size: 15px; }
  .nav > a:not(.nav__status) { display: none; }
  .nav__status { padding: 6px 9px; font-size: 9px; }
  .hero { min-height: auto; padding: 46px 0 52px; }
  .eyebrow { margin-bottom: 17px; font-size: 9px; }
  .hero h1 { font-size: clamp(35px, 9.5vw, 41px); letter-spacing: -.03em; }
  .hero__lead { margin-top: 21px; font-size: 13px; }
  .hero__actions { margin-top: 24px; gap: 8px; }
  .btn { min-height: 45px; font-size: 11px; padding: 0 17px; }
  .hero__note { margin-top: 28px; }
  .hero__visual { min-height: 385px; margin-top: 4px; }
  .orbit--outer { width: min(315px, 92%); }
  .orbit--inner { width: 226px; }
  .monogram { width: 158px; }
  .monogram__count { font-size: 55px; }
  .float-tag--e { top: 46%; right: 0; }
  .float-tag { font-size: 9.5px; padding: 6px 8px; gap: 5px; }
  .float-tag small { font-size: 7.5px; }
  .float-tag--a { top: 9%; left: 0; }
  .float-tag--b { top: 24%; right: 0; }
  .float-tag--c { bottom: 22%; left: 0; }
  .float-tag--d { bottom: 9%; right: 2%; }
  .visual-caption { display: none; }
  .ticker__track { gap: 20px; font-size: 8.5px; padding: 9px 0; }
  .systems { padding: 76px 0 44px; }
  .section-intro { margin-bottom: 26px; }
  .section-intro h2, .about h2 { font-size: 29px; }
  .system-grid { grid-template-columns: 1fr; }
  .system-card { min-height: 260px; padding: 22px 21px 18px; }
  .system-card h3 { font-size: 22px; }
  .system-card__desc { font-size: 11px; }
  .system-card__icon { margin-bottom: 20px; }
  .about { display: block; padding: 66px 0 76px; }
  .about__mark { margin-bottom: 25px; font-size: 86px; }
  .about__copy h2 { font-size: 30px; }
  .about__copy > p:last-child { font-size: 11px; }
  .about__stats { grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 27px; }
  .about__stats strong { font-size: 22px; }
  .about__stats span { font-size: 8px; }
  .footer__top { grid-template-columns: 1fr; gap: 20px; padding: 38px 0 40px; }
  .footer__top p { font-size: 12px; }
  .footer__links { flex-direction: row; gap: 15px; }
  .footer__bottom { display: block; line-height: 2; padding-bottom: 18px; }
  .footer__bottom span { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .orbit--outer, .ticker__track, .float-tag { animation: none; }
  .btn, .system-card, .system-card__arrow, .text-link { transition: none; }
}