:root{
  --navy: #14202C;
  --blue: #214F82;
  --grayblue: #97AFC6;
  --white: #FFFFFF;

  --bg: var(--white);
  --bg-panel: #FFFFFF;
  --bg-panel-tint: #F2F5F8;
  --border: #D8E1E9;
  --border-strong: var(--grayblue);

  --text-primary: var(--navy);
  --text-secondary: #3D5468;
  --text-muted: #6E8298;

  --accent-primary: var(--navy);
  --accent-secondary: var(--blue);
  --accent-tertiary: var(--grayblue);

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

.visually-hidden{
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}

/* diagonal shape backdrop: parallelogram stripes + a dark angled block, per brand system */
.grid-overlay{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.grid-overlay::before{
  /* large angled navy block, upper right */
  content: "";
  position: absolute;
  top: -12%;
  right: -18%;
  width: 62%;
  height: 60%;
  background: var(--navy);
  clip-path: polygon(30% 0%, 100% 0%, 100% 100%, 0% 100%);
  opacity: 0.05;
}

.grid-overlay::after{
  /* repeating parallelogram stripes, lower band */
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6%;
  height: 38%;
  background: repeating-linear-gradient(
    115deg,
    var(--grayblue) 0px,
    var(--grayblue) 2px,
    transparent 2px,
    transparent 34px
  );
  opacity: 0.22;
  mask-image: linear-gradient(to top, black 0%, transparent 90%);
}

.page{
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* topbar */
.topbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 48px;
  flex-wrap: wrap;
  gap: 16px;
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--navy);
}

.brand-mark{
  width: 10px; height: 10px;
  background: var(--blue);
  display: inline-block;
  border-radius: 2px;
  transform: rotate(45deg);
}

.brand-name-accent{ color: var(--blue); }

.status-pill{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-panel-tint);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.status-dot{
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 0 rgba(33,79,130,0.5);
  animation: pulse 2s infinite;
}

@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(33,79,130,0.45); }
  70%{ box-shadow: 0 0 0 8px rgba(33,79,130,0); }
  100%{ box-shadow: 0 0 0 0 rgba(33,79,130,0); }
}

/* hero */
.hero{
  text-align: center;
  padding: 24px 0 56px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--blue);
  margin: 0 0 20px;
}

.headline{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.subhead{
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 520px;
  margin: 0 auto 44px;
}

/* countdown */
.countdown{
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 14px;
  margin-bottom: 36px;
}

.countdown-unit{
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
}

.countdown-num{
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(28px, 6vw, 40px);
  background: var(--navy);
  border: 1px solid var(--navy);
  border-radius: 10px;
  padding: 10px 6px;
  width: 100%;
  text-align: center;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.countdown-label{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 0.08em;
}

.countdown-sep{
  font-family: var(--font-mono);
  font-size: 28px;
  color: var(--border-strong);
  transform: translateY(-8px);
}

/* progress */
.progress-wrap{
  max-width: 420px;
  margin: 0 auto 40px;
}

.progress-track{
  height: 6px;
  border-radius: 999px;
  background: var(--bg-panel-tint);
  border: 1px solid var(--border);
  overflow: hidden;
}

.progress-fill{
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--navy), var(--blue));
  border-radius: 999px;
  transition: width 1.2s ease;
}

.progress-meta{
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.progress-meta span:first-child{ color: var(--blue); font-weight: 600; }

/* notify form */
.notify-form{
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 460px;
  margin: 0 auto;
}

.notify-form input{
  flex: 1;
  min-width: 220px;
  padding: 13px 16px;
  background: var(--white);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
}

.notify-form input::placeholder{ color: var(--text-muted); }

.notify-form input:focus,
.notify-form button:focus{
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.notify-form button{
  padding: 13px 22px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.notify-form button:hover{ background: var(--navy); }
.notify-form button:active{ transform: scale(0.98); }

.notify-status{
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--blue);
  min-height: 18px;
}

/* diff section */
.diff{
  display: flex;
  align-items: stretch;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  background: var(--bg-panel-tint);
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.diff-col{ flex: 1; min-width: 220px; }

.diff-label{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin: 0 0 16px;
  color: var(--text-muted);
}

.diff-new .diff-label{ color: var(--blue); }

.diff-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.diff-list li{
  font-family: var(--font-mono);
  font-size: 13.5px;
  display: flex;
  gap: 10px;
  color: var(--text-secondary);
}

.diff-old .diff-list li{ color: var(--text-muted); text-decoration: line-through; text-decoration-color: rgba(110,130,152,0.5); }
.diff-old .diff-marker{ color: var(--grayblue); text-decoration: none; font-weight: 700; }
.diff-new .diff-marker{ color: var(--blue); font-weight: 700; }

.diff-arrow{
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--border-strong);
  padding: 0 4px;
}

/* terminal — kept as a dark navy block, matching "dark shapes/background blocks" usage */
.terminal-section{ margin-bottom: 48px; }

.terminal{
  border: 1px solid var(--navy);
  border-radius: 12px;
  overflow: hidden;
  background: var(--navy);
}

.terminal-titlebar{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #1B2C3C;
  border-bottom: 1px solid #24384B;
}

.terminal-dot{
  width: 10px; height: 10px;
  border-radius: 50%;
}
.dot-red{ background: var(--grayblue); opacity: 0.5; }
.dot-yellow{ background: var(--grayblue); opacity: 0.75; }
.dot-green{ background: var(--blue); }

.terminal-title{
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grayblue);
}

.terminal-body{
  padding: 20px 20px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  min-height: 180px;
  color: #C6D5E2;
}

.term-line{ white-space: pre-wrap; }
.term-ok{ color: #6FA8DC; }
.term-cursor{
  display: inline-block;
  width: 7px; height: 14px;
  background: var(--grayblue);
  margin-left: 2px;
  vertical-align: -2px;
  animation: blink 1s step-start infinite;
}

@keyframes blink{ 50%{ opacity: 0; } }

/* footer */
.footer{
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
  padding-top: 28px;
}

.footer a{ color: var(--blue); text-decoration: none; }
.footer a:hover{ text-decoration: underline; }

.footer-fine{ margin-top: 8px; font-size: 12px; opacity: 0.8; }

/* responsive */
@media (max-width: 560px){
  .countdown{ gap: 8px; }
  .countdown-unit{ min-width: 52px; }
  .countdown-sep{ font-size: 20px; }
  .diff{ flex-direction: column; }
  .diff-arrow{ transform: rotate(90deg); padding: 4px 0; }
}

@media (prefers-reduced-motion: reduce){
  .status-dot{ animation: none; }
  .term-cursor{ animation: none; }
  .progress-fill{ transition: none; }
}