/* ============================================================
   CrewLeadPro marketing site - design tokens + base styles.
   Single confident ink color on cream paper. Restrained, modern
   SaaS aesthetic. No gradients, no glassy surfaces.
   ============================================================ */

:root {
  --ink:        #0f1216;
  --ink-2:      #2a2f37;
  --ink-3:      #4a5260;
  --ink-4:      #6b7280;
  --paper:      #faf8f3;
  --paper-2:    #f2efe8;
  --line:       #e6e2d8;
  --line-2:     #d4cfc2;
  --accent:     #0f1216;

  --container:  1120px;
  --radius:     12px;
  --radius-sm:  8px;
  --radius-lg:  20px;

  --font-body:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --shadow-sm:  0 1px 2px rgba(15, 18, 22, 0.04);
  --shadow:     0 4px 16px rgba(15, 18, 22, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 {
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-weight: 600;
}

p { margin: 0; }

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

/* ============================================================
   Brand lockup
   ============================================================ */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  transition: transform 80ms ease, background 120ms ease, color 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--ink-2); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn-secondary:hover { background: var(--paper-2); border-color: var(--ink-4); }

.btn-sm  { padding: 8px 14px; font-size: 14px; }
.btn-lg  { padding: 14px 24px; font-size: 16px; }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(250, 248, 243, 0.88);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
}
.nav-link:hover {
  text-decoration: none;
  color: var(--ink);
  background: var(--paper-2);
}

/* ============================================================
   Main / page sections
   ============================================================ */
.site-main { min-height: 70vh; }

.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--line);
}
.section-tight { padding: 64px 0; }

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 16px;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: 120px 0 96px;
}
.hero-inner { max-width: 760px; }
.hero h1 {
  font-size: clamp(40px, 6vw, 64px);
  letter-spacing: -0.035em;
  margin-bottom: 24px;
}
.hero-lede {
  font-size: 19px;
  color: var(--ink-3);
  line-height: 1.55;
  max-width: 600px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.hero-microcopy {
  margin-top: 18px;
  font-size: 13px;
  color: var(--ink-4);
}

/* ============================================================
   Feature grid
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 48px;
}
.feature {
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feature-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--paper);
}
.feature h3 { font-size: 17px; font-weight: 600; }
.feature p { color: var(--ink-3); font-size: 14.5px; line-height: 1.55; }

.section-head {
  max-width: 640px;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--ink-3);
  font-size: 17px;
}

/* ============================================================
   CTA strip
   ============================================================ */
.cta {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta h2 {
  font-size: clamp(24px, 3.5vw, 32px);
  color: var(--paper);
  letter-spacing: -0.02em;
  max-width: 540px;
}
.cta-actions { display: flex; gap: 12px; }
.cta .btn-primary {
  background: var(--paper);
  color: var(--ink);
}
.cta .btn-primary:hover { background: #fff; }
.cta .btn-secondary {
  color: var(--paper);
  border-color: rgba(250, 248, 243, 0.25);
}
.cta .btn-secondary:hover {
  background: rgba(250, 248, 243, 0.08);
  border-color: rgba(250, 248, 243, 0.5);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 64px 0 40px;
  background: var(--paper);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 48px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--ink-4);
  margin-top: 10px;
  max-width: 280px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 32px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col-head {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 6px;
}
.footer-col a {
  color: var(--ink-3);
  font-size: 14.5px;
}
.footer-col a:hover {
  color: var(--ink);
  text-decoration: none;
}
.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 32px;
  margin-top: 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-4);
}

/* ============================================================
   Legal layout (Privacy, Terms, SMS Consent)
   ============================================================ */
.legal {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}
.legal h1 {
  font-size: 36px;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}
.legal .legal-lede {
  font-size: 15px;
  color: var(--ink-4);
  margin-bottom: 32px;
}
.legal h2 {
  font-size: 20px;
  margin-top: 40px;
  margin-bottom: 12px;
  letter-spacing: -0.015em;
}
.legal h3 {
  font-size: 16px;
  margin-top: 24px;
  margin-bottom: 8px;
  font-weight: 600;
}
.legal p,
.legal li {
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.65;
}
.legal p { margin: 10px 0; }
.legal ul {
  margin: 10px 0;
  padding-left: 22px;
}
.legal ul li { margin: 6px 0; }
.legal a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.legal a:hover { color: var(--ink-3); }
.legal table {
  border-collapse: collapse;
  width: 100%;
  margin: 16px 0;
  font-size: 14.5px;
}
.legal table th,
.legal table td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}
.legal table th {
  background: var(--paper-2);
  font-weight: 600;
}
.legal address {
  font-style: normal;
  color: var(--ink-2);
  font-size: 15px;
}

/* ============================================================
   How SMS Works (Twilio opt-in proof page)
   ============================================================ */
.proof {
  max-width: 800px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}
.proof h1 {
  font-size: 36px;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}
.proof-lede {
  font-size: 16px;
  color: var(--ink-3);
  margin-bottom: 40px;
}
.proof-step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  margin: 20px 0;
  background: var(--paper);
}
.proof-step-num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 8px;
}
.proof-step h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.proof-step p {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.6;
}
.consent-block {
  margin-top: 16px;
  padding: 16px;
  background: var(--paper-2);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--ink);
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.55;
}
.consent-block strong { color: var(--ink); }
.message-sample {
  margin-top: 12px;
  padding: 14px 16px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-sm);
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.55;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 720px) {
  .hero { padding: 72px 0 56px; }
  .section { padding: 64px 0; }
  .cta { padding: 36px 28px; flex-direction: column; align-items: flex-start; }
  .cta-actions { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .header-nav .nav-link { display: none; }
  .header-nav .nav-link:last-of-type { display: inline-flex; }
}