/* ============================
   WATERFALL ADVISORY — THEME
   ============================ */

:root {
  --navy: #0D1B2A;
  --navy-mid: #152232;
  --navy-light: #1E3048;
  --clay: #C4704A;
  --clay-light: #D4886A;
  --cream: #F5F4F0;
  --cream-dark: #ECEAE4;
  --text: #0D1B2A;
  --text-mid: #3A4A5A;
  --text-light: #6A7A8A;
  --text-inv: #F5F4F0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--cream);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 244, 240, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cream-dark);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.nav-logo-name {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.nav-tagline {
  font-size: 13px;
  color: var(--text-light);
  font-style: italic;
}

/* SECTIONS */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 20px;
}

.section-headline {
  font-family: 'Sora', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--navy);
  margin-bottom: 20px;
}

.section-sub {
  font-size: 18px;
  color: var(--text-mid);
  max-width: 640px;
  line-height: 1.65;
}

/* HERO */
.hero {
  padding: 80px 0 100px;
  background: var(--cream);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-chart-block {
  position: relative;
}

.waterfall-chart {
  width: 100%;
  height: auto;
  background: var(--navy);
  border-radius: 4px;
  padding: 16px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clay);
}

.hero-headline {
  font-family: 'Sora', sans-serif;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--navy);
}

.hero-sub {
  font-family: 'Lora', serif;
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-mid);
  font-style: italic;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.tag {
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border: 1px solid var(--cream-dark);
  border-radius: 2px;
  color: var(--text-light);
  background: white;
}

/* PROBLEM */
.problem {
  padding: 100px 0;
  background: var(--navy);
}

.problem .section-label { color: var(--clay-light); }

.problem-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  margin-bottom: 48px;
  align-items: stretch;
}

.problem-card {
  padding: 36px 32px;
  border: 1px solid rgba(255,255,255,0.08);
}

.problem-card--big4 { background: rgba(255,255,255,0.04); }
.problem-card--smb { background: rgba(255,255,255,0.04); }

.problem-card-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 8px;
}

.problem-card-name {
  font-family: 'Sora', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}

.problem-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.problem-list li {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  padding-left: 16px;
  position: relative;
}

.problem-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--clay);
}

.problem-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
}

.problem-divider-text {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  padding: 16px 0;
}

.problem-statement {
  max-width: 700px;
}

.problem-statement p {
  font-family: 'Lora', serif;
  font-size: 20px;
  line-height: 1.65;
  color: rgba(255,255,255,0.7);
  font-style: italic;
}

/* APPROACH */
.approach {
  padding: 100px 0;
  background: var(--cream);
}

.approach-phases {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 48px 0;
}

.phase {
  flex: 1;
  padding: 32px;
  background: white;
  border: 1px solid var(--cream-dark);
  border-radius: 2px;
}

.phase-arrow {
  flex-shrink: 0;
}

.phase-number {
  font-family: 'Sora', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--clay);
  margin-bottom: 12px;
}

.phase-title {
  font-family: 'Sora', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.phase-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-mid);
}

.pricing-callout {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 28px 32px;
  background: var(--navy);
  border-radius: 2px;
  margin-top: 32px;
}

.pricing-label {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.pricing-amount {
  font-family: 'Sora', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--cream);
  letter-spacing: -0.03em;
}

.pricing-per {
  font-size: 16px;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
}

.pricing-note {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
  margin-left: auto;
  font-style: italic;
}

/* ICP */
.icp {
  padding: 100px 0;
  background: var(--cream-dark);
}

.icp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 48px 0 40px;
}

.icp-card {
  background: white;
  padding: 28px 24px;
  border: 1px solid var(--cream-dark);
  border-radius: 2px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.icp-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.icp-card-text {
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-mid);
}

.icp-exclusions {
  padding: 20px 24px;
  background: white;
  border: 1px solid var(--cream-dark);
  border-left: 3px solid var(--clay);
}

.exclusion-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 6px;
}

.icp-exclusions p:last-child {
  font-size: 14px;
  color: var(--text-light);
}

/* DIFFERENTIATORS */
.differentiators {
  padding: 100px 0;
  background: white;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 48px;
  background: var(--cream-dark);
  border: 1px solid var(--cream-dark);
}

.diff-card {
  background: var(--cream);
  padding: 40px 36px;
}

.diff-number {
  font-family: 'Sora', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--clay);
  display: block;
  margin-bottom: 16px;
}

.diff-title {
  font-family: 'Sora', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.diff-body {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-mid);
}

/* CLOSING */
.closing {
  padding: 100px 0;
  background: var(--navy);
}

.closing-statement {
  margin-bottom: 48px;
}

.closing-quote {
  font-family: 'Lora', serif;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.5;
  color: rgba(255,255,255,0.85);
  font-style: italic;
  max-width: 760px;
  margin-bottom: 12px;
}

.closing-attr {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

.closing-body p {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  max-width: 600px;
  margin-bottom: 16px;
}

/* FOOTER */
.site-footer {
  padding: 40px 0;
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Sora', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
}

.footer-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  font-style: italic;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-chart-block { order: 2; }
  .hero-text { order: 1; }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .problem-divider {
    padding: 8px 0;
  }

  .problem-divider-text {
    writing-mode: horizontal-tb;
    transform: none;
  }

  .approach-phases {
    flex-direction: column;
  }

  .phase-arrow svg { transform: rotate(90deg); }

  .icp-grid {
    grid-template-columns: 1fr;
  }

  .diff-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .nav-inner { padding: 14px 20px; }
  .section-inner { padding: 0 20px; }
  .hero { padding: 60px 0 80px; }
  .hero-inner { padding: 0 20px; }
  .pricing-callout { flex-wrap: wrap; gap: 8px; }
  .pricing-note { margin-left: 0; }
}