/* ===========================
   RESET & BASE
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #111111;
  --ink-light: #444444;
  --ink-muted: #888888;
  --paper: #faf9f6;
  --paper-dark: #f0ede6;
  --red: #c0392b;
  --red-dark: #a93226;
  --border: #e0dbd2;
  --white: #ffffff;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --max-w: 1100px;
  --section-pad: 96px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================
   NAV
   =========================== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.3px;
}

.logo span { color: var(--red); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--ink-light);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--ink); }

.btn-nav {
  background: var(--ink) !important;
  color: var(--white) !important;
  padding: 8px 18px;
  border-radius: 4px;
  font-size: 13px !important;
  font-weight: 600 !important;
  transition: background 0.15s !important;
}

.btn-nav:hover { background: var(--red) !important; }

/* ===========================
   HERO
   =========================== */
.hero {
  padding: 80px 0 72px;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--ink);
  margin-bottom: 24px;
  max-width: 780px;
}

.hero h1 em {
  font-style: italic;
  color: var(--red);
}

.hero-sub {
  font-size: 18px;
  color: var(--ink-light);
  max-width: 580px;
  line-height: 1.65;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn-primary {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.hero-note {
  font-size: 13px;
  color: var(--ink-muted);
}

.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 24px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--ink-muted);
  max-width: 200px;
}

.hero-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ===========================
   SECTION LABELS
   =========================== */
.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--ink-light);
  max-width: 560px;
  margin-top: 12px;
  margin-bottom: 48px;
  line-height: 1.6;
}

/* ===========================
   PROBLEM
   =========================== */
.problem {
  padding: var(--section-pad) 0;
  border-bottom: 1px solid var(--border);
}

.problem h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 32px;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.problem-text p {
  color: var(--ink-light);
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.75;
}

.drop-cap::first-letter {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 900;
  float: left;
  line-height: 0.75;
  padding-right: 8px;
  padding-top: 8px;
  color: var(--red);
}

blockquote {
  border-left: 3px solid var(--red);
  padding: 16px 20px;
  margin: 32px 0 0;
  background: var(--paper-dark);
  font-family: var(--font-serif);
  font-size: 17px;
  font-style: italic;
  color: var(--ink);
  line-height: 1.6;
}

blockquote cite {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-style: normal;
  color: var(--ink-muted);
  margin-top: 10px;
}

.problem-visual {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pain-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.pain-icon { font-size: 24px; flex-shrink: 0; }

.pain-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 4px;
}

.pain-desc {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* ===========================
   HOW IT WORKS
   =========================== */
.how {
  padding: var(--section-pad) 0;
  border-bottom: 1px solid var(--border);
}

.how h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 56px;
  max-width: 600px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--border);
  line-height: 1.3;
  padding-top: 2px;
}

.step-content h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}

.step-content p {
  font-size: 15px;
  color: var(--ink-light);
  line-height: 1.7;
  max-width: 560px;
}

/* ===========================
   REPORT CONTENTS
   =========================== */
.report-contents {
  padding: var(--section-pad) 0;
  border-bottom: 1px solid var(--border);
  background: var(--paper-dark);
}

.report-contents h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.report-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px;
}

.report-type {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}

.report-card p {
  font-size: 14px;
  color: var(--ink-light);
  line-height: 1.65;
}

/* ===========================
   STACK
   =========================== */
.stack-section {
  padding: var(--section-pad) 0;
  border-bottom: 1px solid var(--border);
}

.stack-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.stack-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  margin-top: 16px;
  max-width: 600px;
}

.stack-item {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stack-item.active {
  border-color: var(--red);
  background: #fff8f7;
}

.stack-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
  min-width: 70px;
}

.stack-item.active .stack-badge { color: var(--red); }

.stack-name {
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  min-width: 200px;
}

.stack-desc {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
}

.stack-arrow {
  font-size: 18px;
  color: var(--border);
  padding: 4px 24px;
}

/* ===========================
   PRICING
   =========================== */
.pricing {
  padding: var(--section-pad) 0;
  border-bottom: 1px solid var(--border);
}

.pricing h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--ink);
  border-width: 2px;
}

.pricing-card.anchor {
  background: var(--paper-dark);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.plan-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.plan-tagline {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: 24px;
  min-height: 40px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}

.price-num {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}

.price-period {
  font-size: 16px;
  color: var(--ink-muted);
}

.plan-setup {
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  flex: 1;
}

.plan-features li {
  font-size: 13px;
  color: var(--ink-light);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 700;
  font-size: 11px;
  top: 2px;
}

.btn-plan {
  display: block;
  text-align: center;
  padding: 12px 20px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  transition: all 0.15s;
}

.btn-plan:hover {
  background: var(--ink);
  color: var(--white);
}

.btn-plan-featured {
  background: var(--ink);
  color: var(--white);
}

.btn-plan-featured:hover {
  background: var(--red);
  border-color: var(--red);
}

.pricing-note {
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 20px;
  text-align: center;
}

/* ===========================
   FAQ
   =========================== */
.faq {
  padding: var(--section-pad) 0;
  border-bottom: 1px solid var(--border);
}

.faq h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 40px;
}

.faq-list {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 20px;
  font-weight: 300;
  color: var(--ink-muted);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  font-size: 14px;
  color: var(--ink-light);
  line-height: 1.7;
  padding-bottom: 20px;
  max-width: 600px;
}

/* ===========================
   CONTACT
   =========================== */
.contact {
  padding: var(--section-pad) 0;
  border-bottom: 1px solid var(--border);
  background: var(--ink);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--white);
  margin-bottom: 20px;
}

.contact-text p {
  font-size: 15px;
  color: #aaaaaa;
  line-height: 1.7;
  margin-bottom: 16px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: #888888;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.form-group input,
.form-group select {
  background: #1a1a1a;
  border: 1px solid #333333;
  border-radius: 4px;
  padding: 11px 14px;
  font-size: 14px;
  color: var(--white);
  font-family: var(--font-sans);
  transition: border-color 0.15s;
  -webkit-appearance: none;
}

.form-group input::placeholder { color: #555555; }

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--red);
}

.form-group select option { background: #1a1a1a; color: var(--white); }

.btn-submit {
  background: var(--red);
  color: var(--white);
  border: none;
  border-radius: 4px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  margin-top: 4px;
}

.btn-submit:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.form-note {
  font-size: 12px;
  color: #555555;
  text-align: center;
}

/* ===========================
   FOOTER
   =========================== */
footer {
  background: var(--ink);
  border-top: 1px solid #222222;
  padding: 32px 24px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.footer-logo span { color: var(--red); }

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 13px;
  color: #666666;
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--white); }

.footer-copy {
  font-size: 12px;
  color: #444444;
}

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }

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

  .hero-divider { display: none; }

  .hero-stat-row { gap: 24px; }

  .nav-links {
    display: none;
  }
}

@media (max-width: 600px) {
  :root { --section-pad: 64px; }

  .hero { padding: 56px 0 48px; }

  .step {
    grid-template-columns: 48px 1fr;
    gap: 16px;
  }

  .stack-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}