/* Fonts */
:root {
  --ink: #0F1C2E;
  --cream: #F7F3ED;
  --cream-dark: #EDE7DB;
  --copper: #B8843C;
  --copper-light: #D4A55A;
  --slate: #4A5568;
  --slate-light: #718096;
  --border: #D9CFC0;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 60px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(247, 243, 237, 0.92);
  backdrop-filter: blur(12px);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 0 80px;
  padding-top: 60px;
  gap: 80px;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-gradient {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(184, 132, 60, 0.12) 0%, transparent 70%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 28, 46, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 28, 46, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-content {
  position: relative;
  padding: 80px 0;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--ink);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--slate);
  max-width: 480px;
  margin-bottom: 36px;
  font-weight: 300;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--slate);
  background: rgba(255,255,255,0.6);
}

/* Agent Card */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.agent-card {
  background: var(--ink);
  border-radius: 16px;
  padding: 24px;
  width: 340px;
  box-shadow: 0 24px 80px rgba(15, 28, 46, 0.2), 0 0 0 1px rgba(184, 132, 60, 0.15);
}
.agent-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: rgba(247, 243, 237, 0.5);
  margin-bottom: 20px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.agent-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ADE80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.8);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.agent-card-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.agent-task {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.agent-task-icon {
  color: var(--copper-light);
  font-size: 0.7rem;
  margin-top: 3px;
}
.agent-task-text { flex: 1; }
.agent-task-label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--cream);
}
.agent-task-time {
  font-size: 0.72rem;
  color: rgba(247, 243, 237, 0.4);
  margin-top: 2px;
}

/* ── SECTIONS (shared) ── */
.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 56px;
  max-width: 640px;
}

/* ── HOW IT WORKS ── */
.howitworks {
  padding: 120px 80px;
  background: var(--ink);
  color: var(--cream);
}
.howitworks .section-label { color: var(--copper-light); }
.howitworks .section-headline { color: var(--cream); }

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.step {
  flex: 1;
  padding: 0 40px 0 0;
}
.step-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(184, 132, 60, 0.25);
  line-height: 1;
  margin-bottom: 20px;
}
.step-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 12px;
}
.step-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(247, 243, 237, 0.6);
  font-weight: 300;
}
.step-connector {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--copper), transparent);
  flex-shrink: 0;
  margin-top: 28px;
}

/* ── CAPABILITIES ── */
.capabilities {
  padding: 120px 80px;
  background: var(--cream);
}
.cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.cap-card {
  padding: 48px;
  background: white;
}
.cap-icon {
  font-size: 1.2rem;
  color: var(--copper);
  margin-bottom: 20px;
}
.cap-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}
.cap-body {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--slate);
  font-weight: 300;
}

/* ── DIFFERENCE ── */
.difference {
  padding: 120px 80px;
  background: var(--cream-dark);
}
.diff-inner { max-width: 1000px; }
.diff-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 16px;
}
.diff-row {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  gap: 0;
  align-items: start;
  margin-top: 40px;
}
.diff-col { padding: 0; }
.diff-col-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.diff-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.diff-list li {
  font-size: 0.92rem;
  line-height: 1.6;
  padding-left: 20px;
  position: relative;
  font-weight: 300;
}
.diff-bad .diff-list li { color: var(--slate); }
.diff-bad .diff-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--slate-light);
}
.diff-good .diff-list li { color: var(--ink); }
.diff-good .diff-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--copper);
}
.diff-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
  margin: 0 20px;
}

/* ── CLOSING ── */
.closing {
  padding: 120px 80px;
  background: var(--ink);
  text-align: center;
}
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--cream);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.closing-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(247, 243, 237, 0.55);
  font-weight: 300;
}

/* ── FOOTER ── */
.footer {
  padding: 40px 80px;
  background: var(--cream);
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--slate-light);
}
.footer-note {
  font-size: 0.78rem;
  color: var(--slate-light);
  font-style: italic;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 80px 40px 60px;
    min-height: auto;
  }
  .hero-visual { display: none; }
  .howitworks, .capabilities, .difference, .closing { padding: 80px 40px; }
  .steps { flex-direction: column; gap: 40px; }
  .step-connector { display: none; }
  .cap-grid { grid-template-columns: 1fr; }
  .diff-row { grid-template-columns: 1fr; gap: 40px; }
  .diff-divider { display: none; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 640px) {
  .hero, .howitworks, .capabilities, .difference, .closing { padding: 60px 24px; }
  .footer { padding: 40px 24px; }
  .section-headline { margin-bottom: 40px; }
  .cap-card { padding: 32px 28px; }
}