:root {
  font-family: "Segoe UI Variable Text", "Segoe UI", Arial, sans-serif;
  color: #102820;
  background: #f6f9f7;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { min-width: 320px; }
body { margin: 0; min-width: 320px; }
a { color: inherit; }
a:focus-visible { outline: 3px solid #82c6a1; outline-offset: 5px; }

.page-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 7% 79%, rgba(125, 195, 146, .12), transparent 27%),
    radial-gradient(circle at 87% 9%, rgba(181, 221, 192, .24), transparent 34%),
    #f6f9f7;
}

.page-shell::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 740px;
  height: 740px;
  left: -450px;
  bottom: -520px;
  border: 1px solid rgba(20, 125, 91, .12);
  border-radius: 50%;
  box-shadow: 0 0 0 85px rgba(20, 125, 91, .025), 0 0 0 170px rgba(20, 125, 91, .018);
  pointer-events: none;
}

.site-header, .content, .site-footer {
  width: min(100% - 80px, 1160px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 30px;
}

.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.brand img { display: block; width: 199px; height: auto; }
.brand-ai {
  align-self: center;
  margin-top: 4px;
  padding: 4px 6px;
  border-radius: 5px;
  background: #147d5b;
  color: white;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
}
.header-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border: 1px solid #d8e3db;
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: #536960;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.status-dot, .event-tag-dot { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: #58ac7b; }

.content {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(400px, .95fr);
  align-items: center;
  gap: clamp(42px, 7vw, 106px);
  flex: 1;
  padding-top: 62px;
  padding-bottom: 76px;
}

.intro { max-width: 585px; }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; color: #147d5b; font-size: 12px; font-weight: 750; letter-spacing: .18em; }
.eyebrow-line { display: block; width: 28px; height: 1px; background: #147d5b; }
.intro h1 {
  margin: 24px 0 23px;
  font-family: "Segoe UI Variable Display", "Segoe UI", Arial, sans-serif;
  font-size: clamp(48px, 5.25vw, 77px);
  font-weight: 720;
  line-height: 1.08;
  letter-spacing: -.055em;
}
.intro h1 span { color: #147d5b; }
.intro > p:not(.intro-note) { max-width: 480px; margin: 0; color: #60736a; font-size: clamp(16px, 1.65vw, 19px); line-height: 1.75; }
.intro-rule { width: 72px; height: 1px; margin-top: 37px; background: #cbd9cf; }
.intro-rule span { display: block; width: 26px; height: 2px; background: #147d5b; transform: translateY(-.5px); }
.intro-note { margin: 19px 0 0; color: #809088; font-size: 13px; line-height: 1.5; }

.countdown-panel {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(167, 221, 187, .22);
  border-radius: 28px;
  background: linear-gradient(145deg, #174b39 0%, #0c3227 55%, #09261e 100%);
  color: #f5faf6;
  box-shadow: 0 26px 65px rgba(11, 47, 33, .19), 0 5px 14px rgba(11, 47, 33, .08);
}
.countdown-panel::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 95% 4%, rgba(133, 210, 157, .17), transparent 42%); pointer-events: none; }
.panel-decoration { position: absolute; width: 360px; height: 360px; border: 1px solid rgba(159, 225, 181, .12); border-radius: 50%; pointer-events: none; }
.panel-decoration-one { top: -207px; right: -178px; box-shadow: 0 0 0 62px rgba(159, 225, 181, .026), 0 0 0 124px rgba(159, 225, 181, .018); }
.panel-decoration-two { bottom: -270px; left: -206px; box-shadow: 0 0 0 64px rgba(159, 225, 181, .026); }
.panel-content { position: relative; z-index: 1; padding: 40px clamp(24px, 3.3vw, 44px) 31px; }
.event-tag { display: inline-flex; align-items: center; gap: 10px; color: #b3dec0; font-size: 11px; font-weight: 750; letter-spacing: .16em; }
.event-tag-dot { background: #b5df8d; }
.event-kicker { margin: 51px 0 7px; color: #adcbb8; font-size: 13px; font-weight: 550; letter-spacing: .02em; }
.countdown-panel h2 { margin: 0; font-family: "Segoe UI Variable Display", "Segoe UI", Arial, sans-serif; font-size: clamp(38px, 4.3vw, 57px); line-height: 1.06; letter-spacing: -.045em; font-weight: 680; }
.event-description { max-width: 365px; margin: 17px 0 35px; color: #bbd4c5; font-size: 13.5px; line-height: 1.65; }
.countdown { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px; }
.time-unit { display: grid; align-content: center; justify-items: center; gap: 5px; min-width: 0; min-height: 88px; padding: 12px 4px; border: 1px solid rgba(192, 232, 204, .18); border-radius: 14px; background: rgba(255, 255, 255, .07); }
.time-value { font-size: clamp(24px, 2.6vw, 34px); font-weight: 690; line-height: 1; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.time-label { color: #a9cbb5; font-size: 10px; font-weight: 600; }
.event-footer { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-top: 29px; padding-top: 24px; border-top: 1px solid rgba(192, 232, 204, .18); }
.event-footer div { display: grid; gap: 4px; }
.event-footer strong { font-size: 13px; font-weight: 650; }
.event-footer div span { color: #9fbeab; font-size: 11px; }
.event-footer a { color: #d3ead5; font-size: 11px; font-weight: 650; text-decoration: none; white-space: nowrap; }
.event-footer a:hover { text-decoration: underline; }
.event-footer a span { margin-left: 3px; font-size: 14px; }

.site-footer { display: flex; justify-content: space-between; gap: 18px; padding: 0 0 29px; color: #829087; font-size: 11px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 850px) {
  .site-header, .content, .site-footer { width: min(100% - 48px, 650px); }
  .content { grid-template-columns: minmax(0, 1fr); gap: 45px; padding-top: 76px; padding-bottom: 54px; }
  .intro { max-width: 620px; }
  .intro h1 { font-size: clamp(43px, 7.5vw, 67px); }
  .countdown-panel { max-width: 650px; }
  .panel-content { padding: 35px 34px 30px; }
  .event-kicker { margin-top: 41px; }
  .countdown-panel h2 { font-size: 50px; }
}

@media (max-width: 520px) {
  .site-header, .content, .site-footer { width: calc(100% - 36px); }
  .site-header { padding-top: 21px; }
  .brand img { width: 158px; }
  .brand-ai { font-size: 10px; padding: 3px 5px; }
  .header-status { width: 10px; height: 10px; overflow: hidden; padding: 0; border: 0; background: transparent; font-size: 0; }
  .status-dot { width: 9px; height: 9px; }
  .content { gap: 38px; padding-top: 64px; padding-bottom: 40px; }
  .intro h1 { margin-top: 20px; font-size: clamp(40px, 10vw, 52px); }
  .intro > p:not(.intro-note) { font-size: 16px; line-height: 1.65; }
  .intro-rule { margin-top: 28px; }
  .intro-note { margin-top: 15px; font-size: 12px; }
  .countdown-panel { border-radius: 23px; }
  .panel-content { padding: 27px 20px 23px; }
  .event-kicker { margin-top: 32px; }
  .countdown-panel h2 { font-size: 42px; }
  .event-description { margin-bottom: 25px; font-size: 12.5px; }
  .countdown { gap: 6px; }
  .time-unit { min-height: 75px; border-radius: 10px; }
  .time-value { font-size: clamp(23px, 6vw, 29px); }
  .time-label { font-size: 9px; }
  .event-footer { margin-top: 23px; padding-top: 20px; }
  .event-footer strong { font-size: 12px; }
  .event-footer a { font-size: 10px; }
  .site-footer { flex-wrap: wrap; padding-bottom: 22px; font-size: 10px; }
}

@media (prefers-reduced-motion: no-preference) {
  .countdown-panel { animation: panel-enter .7s ease-out both; }
  .intro { animation: intro-enter .6s ease-out both; }
  @keyframes panel-enter { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes intro-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
}
