:root {
  --bg:        #F7F6F2;
  --surface:   #EFEDE8;
  --ink:       #16140F;
  --ink-mid:   #4A4540;
  --ink-light: #9A9590;
  --accent:    #1B4F72;
  --accent-2:  #C5862B;
  --rule:      #D4D0C8;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Grid paper background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

/* ── HEADER ── */
header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  border-bottom: 1px solid var(--rule);
}

.wordmark { display: flex; flex-direction: column; gap: 2px; }

.wordmark-name {
  font-family: 'DM Serif Display', serif;
  font-size: 1.35rem;
  color: var(--ink);
  line-height: 1;
}

.wordmark-sub {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--ink-light);
  text-transform: uppercase;
}

.header-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 5px 12px;
  text-transform: uppercase;
}

/* ── MAIN GRID ── */
main {
  flex: 1;
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  padding: 80px 48px 60px;
  gap: 64px;
  align-items: start;
}

/* ── LEFT ── */
.left { display: flex; flex-direction: column; gap: 32px; }

.status-line { display: flex; align-items: center; gap: 10px; }

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-2);
  border-radius: 50%;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

.status-text {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--ink-mid);
  text-transform: uppercase;
}

h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 520px;
}

h1 em { font-style: italic; color: var(--accent); }

.description {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-mid);
  max-width: 440px;
  font-weight: 300;
  border-left: 2px solid var(--accent-2);
  padding-left: 16px;
}

/* ── SPECS TABLE ── */
.specs {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--rule);
  background: var(--surface);
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 11px 16px;
  border-bottom: 1px solid var(--rule);
}

.spec-row:last-child { border-bottom: none; }

.spec-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.63rem;
  letter-spacing: 0.1em;
  color: var(--ink-light);
  text-transform: uppercase;
}

.spec-value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink);
  font-weight: 500;
}

.spec-value.green { color: #2A7A45; }

/* ── RIGHT ── */
.right { display: flex; flex-direction: column; gap: 40px; padding-top: 8px; }

.molecule-wrap { display: flex; justify-content: center; opacity: 0.9; }

.dme-formula {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-light);
  text-align: center;
  margin-top: 10px;
}

/* ── FORM CARD ── */
.form-card {
  background: var(--ink);
  color: #fff;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-heading {
  font-family: 'DM Serif Display', serif;
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.3;
}

.form-subtext {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
  font-weight: 300;
}

.audience-tags { display: flex; gap: 8px; flex-wrap: wrap; }

.tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 4px 10px;
  color: rgba(255, 255, 255, 0.6);
}

.input-group { display: flex; flex-direction: column; }
.input-row   { display: flex; }

.name-input,
.select-input,
.email-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  color: #fff;
  outline: none;
  transition: border-color 0.2s;
}

.name-input   { border-bottom: none; }
.select-input { border-bottom: none; appearance: none; cursor: pointer; color: rgba(255, 255, 255, 0.75); }
.select-input option { background: #1A1A1A; }
.email-input  { flex: 1; border-right: none; width: auto; }

.name-input::placeholder,
.email-input::placeholder { color: rgba(255, 255, 255, 0.3); }

.name-input:focus,
.select-input:focus,
.email-input:focus { border-color: var(--accent-2); }

.submit-btn {
  background: var(--accent-2);
  border: none;
  padding: 13px 24px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.submit-btn:hover:not(:disabled) { background: #B57525; }
.submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.privacy-note {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.04em;
}

/* ── SUCCESS & ERROR ── */
#mc-success {
  display: none;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid rgba(42, 122, 69, 0.5);
  background: rgba(42, 122, 69, 0.1);
}

#mc-success p {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: #7DD8A0;
  letter-spacing: 0.06em;
}

#mc-error {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  color: #E07070;
  margin-top: 8px;
  display: none;
}

/* ── FOOTER ── */
footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-left {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  color: var(--ink-light);
  letter-spacing: 0.06em;
}

.footer-right { display: flex; align-items: center; gap: 24px; }

.footer-link {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  color: var(--ink-light);
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link:hover { color: var(--accent); }

/* ── RESPONSIVE ── */
@media (max-width: 800px) {
  header, footer { padding: 20px 24px; }
  main { grid-template-columns: 1fr; padding: 48px 24px 40px; gap: 48px; }
  .molecule-wrap { display: none; }
}