/* ============================================================
   ProductivOps — Landing Page Styles
   Brand tokens live in :root. Change once, applies everywhere.
   ============================================================ */

:root {
  /* Brand colors (from ProductivOps brand spec) */
  --teal: #0D5B63;
  --teal-dark: #094348;
  --teal-tint: #E7F0F1;
  --navy: #0F1D2B;
  --navy-soft: #16283A;
  --gray-light: #E6EAED;
  --white: #FFFFFF;

  /* Text */
  --text: #22303D;
  --text-muted: #5A6B7A;
  --text-on-dark: #D7DFE6;

  /* Type */
  --font-head: 'Poppins', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Layout */
  --container: 1140px;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(15, 29, 43, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 29, 43, 0.14);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--navy);
  line-height: 1.2;
  font-weight: 600;
}

h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -0.015em; }
h3 { font-size: 1.15rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--teal); }

:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
  border-radius: 4px;
}

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

.container.narrow { max-width: 800px; }
.center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-align: center;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(13, 91, 99, 0.35);
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); }

.btn-light {
  background: var(--white);
  color: var(--navy);
}
.btn-light:hover { background: var(--gray-light); transform: translateY(-2px); }

.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-sm { padding: 9px 18px; font-size: 0.9rem; }

.cta-group { margin-top: 1.75rem; }
.cta-group.center { display: flex; flex-direction: column; align-items: center; }

.cta-note {
  margin-top: 0.85rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 420px;
}
.cta-note-light { color: var(--text-on-dark); }

/* ---------- Eyebrow ---------- */
.eyebrow {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo { height: 40px; width: auto; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a:not(.btn) {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--navy);
  text-decoration: none;
}
.site-nav a:not(.btn):hover { color: var(--teal); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-light) 100%);
  padding: 84px 0 96px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero .lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
  max-width: 560px;
}

.hero-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 28px;
  border-top: 4px solid var(--teal);
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 18px;
}

.hero-card-list { list-style: none; }

.hero-card-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 9px 0;
  border-bottom: 1px solid var(--gray-light);
  font-size: 0.94rem;
}
.hero-card-list li:last-child { border-bottom: none; }

.check {
  color: var(--teal);
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--gray-light); }

.section-head {
  max-width: 760px;
  margin-bottom: 3rem;
}
.section-head p:not(.eyebrow) {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-top: 1rem;
}

/* ---------- Grids & cards ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}

.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 0.94rem; color: var(--text-muted); }

.card-icon { font-size: 1.7rem; margin-bottom: 0.85rem; }

.card-num {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--teal);
  background: var(--teal-tint);
  border-radius: 8px;
  padding: 4px 10px;
  margin-bottom: 0.9rem;
}

.quiet-note {
  margin-top: 2.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 640px;
  border-left: 3px solid var(--teal);
  padding-left: 16px;
}

/* ---------- Checklist panel ---------- */
.checklist-panel {
  margin-top: 3rem;
  background: var(--navy);
  border-radius: var(--radius);
  padding: 40px;
  color: var(--text-on-dark);
}
.checklist-panel h3 { color: var(--white); font-size: 1.3rem; margin-bottom: 1.25rem; }

.checklist {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 32px;
}
.checklist li {
  position: relative;
  padding-left: 30px;
}
.checklist li::before {
  content: "✗";
  position: absolute;
  left: 0;
  color: #E8A13D;
  font-weight: 700;
}

.checklist-footer {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--white);
  font-weight: 500;
}

/* ---------- Dark bands ---------- */
.band-dark {
  background: var(--navy);
  color: var(--text-on-dark);
  padding: 72px 0;
}
.band-dark h2 { color: var(--white); margin-bottom: 1.1rem; }
.band-dark strong { color: var(--white); }

/* ---------- Timeline ---------- */
.timeline {
  list-style: none;
  max-width: 720px;
  position: relative;
  padding-left: 34px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--teal-tint);
  border-radius: 2px;
}

.timeline li {
  position: relative;
  padding-bottom: 2.25rem;
}
.timeline li:last-child { padding-bottom: 0; }

.timeline li::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--teal);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--teal-tint);
}

.timeline-marker {
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.3rem;
}

.timeline h3 { margin-bottom: 0.35rem; }
.timeline p { color: var(--text-muted); font-size: 0.96rem; }

/* ---------- Fit section ---------- */
.fit-grid { align-items: stretch; }

.fit-col {
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}
.fit-col h3 { font-size: 1.2rem; margin-bottom: 1.1rem; }

.fit-col ul { list-style: none; }
.fit-col li {
  position: relative;
  padding: 7px 0 7px 30px;
}

.fit-yes { border-top: 4px solid var(--teal); }
.fit-yes li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

.fit-no { border-top: 4px solid #C0392B; }
.fit-no li::before {
  content: "✗";
  position: absolute;
  left: 0;
  color: #C0392B;
  font-weight: 700;
}

.fit-note {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 52px 20px 24px;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--navy);
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--teal);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { content: "–"; }

.faq-body { padding: 0 24px 20px; }
.faq-body p { color: var(--text-muted); font-size: 0.96rem; }

/* ---------- Final CTA ---------- */
.final-cta { padding: 96px 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: var(--text-on-dark);
  padding: 64px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-logo { height: 44px; width: auto; margin-bottom: 1.1rem; }

.footer-brand p { font-size: 0.9rem; max-width: 420px; }

.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links h4 {
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.footer-links a {
  color: var(--text-on-dark);
  text-decoration: none;
  font-size: 0.93rem;
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid var(--navy-soft);
  padding-top: 22px;
  padding-bottom: 22px;
  font-size: 0.85rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { max-width: 480px; }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .section { padding: 64px 0; }
  .hero { padding: 56px 0 72px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .checklist { grid-template-columns: 1fr; }
  .checklist-panel { padding: 28px; }

  /* Mobile nav */
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
  }
  .site-nav.open { display: flex; }

  .btn-lg { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}
