:root {
  --bg: #F5F2ED;
  --bg-alt: #EDE9E1;
  --bg-dark: #1A1917;
  --fg: #1A1917;
  --fg-light: #F5F2ED;
  --fg-muted: #7A756D;
  --fg-muted-light: rgba(245,242,237,0.5);
  --accent: #D4603A;
  --accent-warm: #E8765A;
  --border: #DDD8CE;
  --border-dark: rgba(245,242,237,0.1);
  --card: #FFFFFF;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

/* Hero */
.hero {
  padding: 7rem 4rem 6rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.hero-eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}
.hero-headline {
  font-size: clamp(2.75rem, 5vw, 4.5rem);
  color: var(--fg);
  margin-bottom: 1.75rem;
  font-style: italic;
  line-height: 1.08;
}
.hero-sub {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 42ch;
  margin-bottom: 3rem;
}
.hero-waveform { max-width: 480px; }
.waveform-svg { width: 100%; height: auto; }
.waveform-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-top: 0.75rem;
  font-family: 'DM Sans', sans-serif;
}
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-orb { position: relative; width: 100%; max-width: 380px; }
.orb-svg { width: 100%; height: auto; }
.orb-labels { display: flex; justify-content: space-between; padding: 0 1rem; margin-top: 0.75rem; }
.orb-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* Problem */
.problem {
  padding: 7rem 4rem;
  background: var(--bg-dark);
  color: var(--fg-light);
}
.problem-inner { max-width: 1200px; margin: 0 auto; }
.problem .section-label { color: var(--accent); }
.problem-headline {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  color: var(--fg-light);
  margin-bottom: 1.75rem;
  max-width: 42ch;
  font-style: italic;
}
.problem-body {
  font-size: 1.0625rem;
  color: var(--fg-muted-light);
  max-width: 52ch;
  line-height: 1.7;
  margin-bottom: 4rem;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}
.problem-card {
  padding: 2rem;
  border: 1px solid var(--border-dark);
  border-radius: 2px;
}
.problem-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(212,96,58,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-warm);
  margin-bottom: 1.25rem;
}
.problem-card h3 {
  font-size: 1rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  color: var(--fg-light);
  margin-bottom: 0.75rem;
  letter-spacing: 0;
}
.problem-card p {
  font-size: 0.875rem;
  color: var(--fg-muted-light);
  line-height: 1.65;
}
.problem-quote {
  border-left: 2px solid var(--accent);
  padding-left: 2rem;
}
.problem-quote blockquote {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.125rem;
  font-style: italic;
  color: rgba(245,242,237,0.7);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}
.problem-quote cite {
  font-size: 0.75rem;
  color: var(--fg-muted-light);
  font-style: normal;
}

/* Features */
.features {
  padding: 7rem 4rem;
  background: var(--bg-alt);
}
.features-inner { max-width: 1200px; margin: 0 auto; }
.features-headline {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--fg);
  max-width: 44ch;
  margin-bottom: 3.5rem;
  font-style: italic;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.feature-visual {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  line-height: 0;
}
.feature-svg { width: 100%; display: block; }
.feature-card h3 {
  padding: 1.5rem 1.75rem 0.5rem;
  font-size: 1.125rem;
  color: var(--fg);
}
.feature-card p {
  padding: 0.75rem 1.75rem 2rem;
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* Process */
.process {
  padding: 7rem 4rem;
  background: var(--bg);
}
.process-inner { max-width: 1200px; margin: 0 auto; }
.process-headline {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--fg);
  max-width: 40ch;
  margin-bottom: 4rem;
  font-style: italic;
}
.process-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
}
.step { padding-top: 0.5rem; }
.step-num {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 1.25rem;
  font-style: italic;
}
.step-body h3 {
  font-size: 1.25rem;
  color: var(--fg);
  margin-bottom: 0.75rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  letter-spacing: 0;
}
.step-body p {
  color: var(--fg-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
  max-width: 28ch;
}
.step-connector {
  width: 3rem;
  align-self: center;
  display: flex;
  justify-content: center;
  padding-top: 3.5rem;
}
.step-connector::before {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background: var(--border);
}

/* Use Cases */
.usecases {
  padding: 7rem 4rem;
  background: var(--bg-alt);
}
.usecases-inner { max-width: 1200px; margin: 0 auto; }
.usecases-headline {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--fg);
  max-width: 44ch;
  margin-bottom: 3.5rem;
  font-style: italic;
}
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.usecase-card {
  padding: 2rem 1.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 2px;
}
.usecase-icon {
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.usecase-card h4 {
  font-size: 0.9375rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 0.75rem;
  letter-spacing: 0;
}
.usecase-card p {
  color: var(--fg-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

/* Closing */
.closing {
  padding: 8rem 4rem;
  background: var(--bg-dark);
  text-align: center;
}
.closing-inner { max-width: 900px; margin: 0 auto; }
.closing-statement {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: var(--fg-light);
  font-style: italic;
  margin-bottom: 2.5rem;
  line-height: 1.08;
}
.closing-body {
  color: rgba(245,242,237,0.55);
  font-size: 1.0625rem;
  line-height: 1.75;
  max-width: 52ch;
  margin: 0 auto 3.5rem;
}
.closing-wave { max-width: 600px; margin: 0 auto; }
.closing-wave svg { width: 100%; }

/* Footer */
.footer {
  padding: 3rem 4rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-name {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--fg);
  display: block;
}
.footer-tagline {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  display: block;
  margin-top: 0.25rem;
}
.footer-note {
  font-size: 0.8125rem;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .problem-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .usecase-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero { padding: 5rem 2rem 4rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { order: -1; }
  .hero-orb { max-width: 280px; }
  .problem, .features, .process, .usecases, .closing { padding: 5rem 2rem; }
  .problem-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; gap: 3rem; }
  .step-connector { display: none; }
  .usecase-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; gap: 1rem; align-items: flex-start; }
}
@media (max-width: 480px) {
  .usecase-grid { grid-template-columns: 1fr; }
}