/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #F8F5F0;
  --bg-alt: #EDF0EE;
  --fg: #1A1A1A;
  --fg-muted: #5A5A5A;
  --accent: #0D4F4F;
  --accent-light: #E8F4F4;
  --coral: #E8644A;
  --cream: #FAF8F5;
  --border: #D8D8D4;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ── */
nav {
  padding: 22px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: baseline;
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.nav-tagline {
  font-size: 0.875rem;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.nav-link:hover { color: var(--coral); }

/* ── Hero ── */
.hero {
  padding: 80px 48px 72px;
  max-width: 1100px;
  margin: 0 auto;
}
.hero-inner { max-width: 760px; }
.hero-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--coral);
  font-weight: 500;
  margin-bottom: 20px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}
.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.55;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-val {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-sep {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.btn-hero-primary {
  display: inline-block;
  background: var(--coral);
  color: #fff;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.2s;
}

.btn-hero-primary:hover { background: #d45a3f; }

.btn-hero-secondary {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

.btn-hero-secondary:hover { color: var(--coral); border-color: var(--coral); }

.btn-closing {
  display: inline-block;
  background: var(--coral);
  color: #fff;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 1rem;
  margin-top: 24px;
  transition: background 0.2s;
}

.btn-closing:hover { background: #d45a3f; }

/* ── How ── */
.how {
  padding: 80px 48px;
  background: var(--cream);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-header {
  max-width: 1100px;
  margin: 0 auto 56px;
}
.section-eyebrow {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
  font-weight: 500;
  margin-bottom: 12px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--fg);
}
.how-steps {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.step {
  padding: 32px 28px;
  border-right: 1px solid var(--border);
}
.step:last-child { border-right: none; }
.step-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--coral);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  line-height: 1.3;
}
.step p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ── Roles ── */
.roles {
  padding: 80px 48px;
  background: var(--accent);
}
.roles-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.role-block {
  background: rgba(255,255,255,0.06);
  padding: 36px 32px;
  border: 1px solid rgba(255,255,255,0.12);
}
.role-icon {
  color: var(--coral);
  margin-bottom: 20px;
}
.role-block h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.role-block p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.65;
}

/* ── Margin ── */
.margin-section {
  padding: 80px 48px;
  background: var(--cream);
  border-top: 1px solid var(--border);
}
.margin-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.margin-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 20px;
}
.margin-desc {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.65;
}
.margin-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.margin-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
}
.margin-customer { background: var(--accent-light); }
.margin-cleaner { background: #F5F5F5; }
.margin-divider { height: 1px; background: var(--border); }
.margin-profit { background: var(--accent); }
.margin-days { background: #F9F9F7; }
.margin-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  font-weight: 400;
}
.margin-amount {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
}
.margin-profit .margin-label,
.margin-profit .margin-amount { color: #fff; }
.profit { color: #fff; }

/* ── Closing ── */
.closing {
  padding: 96px 48px;
  background: var(--fg);
  text-align: center;
}
.closing-inner { max-width: 680px; margin: 0 auto; }
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 24px;
}
.closing p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
  margin-bottom: 16px;
}
.closing-tagline {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--coral);
  margin-top: 32px;
}

/* ── Footer ── */
footer {
  padding: 28px 48px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 20px;
}
.footer-sub {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  nav, .hero, .how, .roles, .margin-section, .closing, footer {
    padding-left: 24px;
    padding-right: 24px;
  }
  .hero { padding-top: 56px; padding-bottom: 56px; }
  .how-steps { grid-template-columns: 1fr; gap: 0; }
  .step { border-right: none; border-bottom: 1px solid var(--border); padding: 24px 0; }
  .step:last-child { border-bottom: none; }
  .roles-inner { grid-template-columns: 1fr; }
  .margin-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 16px; }
  .stat-sep { display: none; }
  .closing { padding: 64px 24px; }
}

@media (max-width: 480px) {
  nav { padding: 16px 20px; }
  .hero h1 { font-size: 2.2rem; }
}