/* ==========================================================================
   Sled Dog AI — design system
   Palette from logo: navy #1B3A6B, cobalt #2D5DA8, ice #F7F9FC, amber #E8A33D
   ========================================================================== */

:root {
  --navy: #1B3A6B;
  --cobalt: #2D5DA8;
  --ice: #F7F9FC;
  --amber: #E8A33D;
  --ink: #22334d;
  --muted: #5a6a85;
  --white: #ffffff;
  --line: #dde5f0;
  --radius: 12px;
  --maxw: 1080px;
  --shadow: 0 2px 12px rgba(27, 58, 107, 0.08);
  --shadow-lg: 0 8px 28px rgba(27, 58, 107, 0.14);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--ice);
}

h1, h2, h3, h4 {
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h1 { font-size: 2.6rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

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

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

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

/* --- Buttons ----------------------------------------------------------- */

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.btn-primary { background: var(--cobalt); color: var(--white); }

.btn-cta { background: var(--amber); color: var(--navy); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}

/* --- Nav ---------------------------------------------------------------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  box-shadow: var(--shadow);
}

.site-nav .container {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--navy);
  margin-right: auto;
}

.brand img { height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active { color: var(--cobalt); }

.nav-links .btn-cta {
  padding: 10px 22px;
  font-size: 0.95rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--navy);
  margin: 5px 0;
  border-radius: 2px;
}

/* --- Hero ---------------------------------------------------------------- */

.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--cobalt) 100%);
  color: var(--white);
  text-align: center;
  padding: 88px 0 96px;
}

.hero h1 { color: var(--white); max-width: 800px; margin: 0 auto 0.4em; }

.hero .sub {
  font-size: 1.25rem;
  max-width: 640px;
  margin: 0 auto 1.8em;
  color: rgba(255, 255, 255, 0.92);
}

.hero .eyebrow { color: var(--amber); }

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-logo { height: 110px; width: auto; margin: 0 auto 20px; }

/* --- Coming soon --------------------------------------------------------- */

.coming-soon-page {
  min-height: 100vh;
  padding: 56px 24px 72px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--cobalt) 100%);
}

.coming-soon-wrap {
  text-align: center;
  color: var(--white);
}

.coming-soon-kicker {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.coming-soon-option {
  max-width: 540px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 22px;
  padding: 38px 34px 40px;
  box-shadow: 0 18px 48px rgba(10, 24, 48, 0.28);
  color: var(--navy);
}

.coming-soon-logo {
  width: min(220px, 48vw);
  margin: 0 auto 22px;
}

.coming-soon-brand {
  margin: 0 auto 18px;
  color: var(--navy);
  font-size: clamp(2.5rem, 7vw, 4.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 0.95;
}

.coming-soon-brand span {
  display: block;
}

.brand-wide-sans {
  font-family: "Avenir Next", "Segoe UI", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: clamp(2.9rem, 8vw, 4.8rem);
}

.brand-ai-classic {
  margin-top: 10px;
  font-size: 0.9em;
  font-family: Verdana, Tahoma, "Trebuchet MS", sans-serif;
  letter-spacing: 0.24em;
}

.coming-soon-tagline {
  max-width: 360px;
  margin: 0 auto;
  color: var(--navy);
  font-size: 1.2rem;
}

.coming-soon-first-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 24px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--cobalt) 100%);
}

.coming-soon-first-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: var(--white);
}

.coming-soon-first-logo {
  width: min(320px, 70vw);
  margin: 0 auto 24px;
}

.coming-soon-first-brand {
  margin: 0 auto 18px;
  color: var(--white);
  font-family: "Avenir Next", "Segoe UI", Arial, sans-serif;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
}

.coming-soon-third-brand {
  font-size: clamp(6rem, 14vw, 8.8rem);
  letter-spacing: 0.18em;
  margin-left: 0;
  margin-right: 0;
  margin-bottom: 22px;
}

.coming-soon-first-tagline {
  max-width: 760px;
  margin: 0 auto;
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
}

.coming-soon-compare-page {
  min-height: 100vh;
  padding: 48px 24px 64px;
  background: var(--ice);
}

.coming-soon-compare-wrap {
  max-width: 1280px;
  margin: 0 auto;
}

.coming-soon-compare-title {
  text-align: center;
  margin: 0 0 12px;
}

.coming-soon-compare-intro {
  max-width: 760px;
  margin: 0 auto 32px;
  text-align: center;
  color: var(--muted);
}

.coming-soon-compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.coming-soon-compare-card {
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.coming-soon-compare-card header {
  padding: 20px 22px 14px;
  border-bottom: 1px solid var(--line);
}

.coming-soon-compare-card h2 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.coming-soon-compare-card p {
  margin: 0;
  color: var(--muted);
}

.coming-soon-compare-frame {
  display: block;
  width: 100%;
  height: 780px;
  border: 0;
  background: var(--white);
}

@media (max-width: 720px) {
  .coming-soon-page {
    padding-top: 40px;
    padding-bottom: 56px;
  }

  .coming-soon-option {
    padding: 30px 22px 34px;
  }

  .coming-soon-compare-frame {
    height: 620px;
  }
}

@media (min-width: 1200px) {
  .coming-soon-third-brand {
    width: max-content;
    white-space: nowrap;
  }
}

/* --- Sections ------------------------------------------------------------ */

.section { padding: 72px 0; }

.section-alt { background: var(--white); }

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 44px;
}

.eyebrow {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--cobalt);
  margin-bottom: 10px;
}

/* --- Tier cards ----------------------------------------------------------- */

.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.tier-card {
  background: var(--white);
  border-radius: var(--radius);
  border-top: 5px solid var(--cobalt);
  box-shadow: var(--shadow);
  padding: 30px 26px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.tier-card.featured { border-top-color: var(--amber); box-shadow: var(--shadow-lg); }

.badge {
  position: absolute;
  top: -14px;
  right: 18px;
  background: var(--amber);
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tier-card .price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  margin: 4px 0 12px;
}

.tier-card .price small {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.tier-card p { color: var(--muted); flex-grow: 1; }

.tier-card a { font-weight: 700; text-decoration: none; }

/* --- Stats strip ----------------------------------------------------------- */

.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  text-align: center;
}

.stats-strip .stat strong {
  display: block;
  font-size: 2.4rem;
  color: var(--navy);
}

.stats-strip .stat span { color: var(--muted); font-weight: 600; }

/* --- Value stack ----------------------------------------------------------- */

.value-stack {
  max-width: 640px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 36px;
}

.value-stack ul { list-style: none; margin: 0 0 20px; padding: 0; }

.value-stack li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.value-stack li .value {
  white-space: nowrap;
  color: var(--muted);
  text-decoration: line-through;
  font-weight: 600;
}

.stack-total {
  display: flex;
  justify-content: space-between;
  font-weight: 800;
  color: var(--navy);
  font-size: 1.1rem;
  padding: 8px 0 20px;
}

.stack-price {
  text-align: center;
  background: var(--amber);
  color: var(--navy);
  font-size: 1.5rem;
  font-weight: 800;
  border-radius: var(--radius);
  padding: 16px;
}

/* --- Timeline ---------------------------------------------------------------- */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  counter-reset: step;
}

.timeline li {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
  counter-increment: step;
}

.timeline li::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--cobalt);
  color: var(--white);
  font-weight: 800;
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.timeline h3 { margin-bottom: 0.35em; }

.timeline p { color: var(--muted); margin: 0; }

/* --- FAQ ---------------------------------------------------------------- */

.faq { max-width: 680px; margin: 0 auto; }

.faq details {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 22px;
  margin-bottom: 12px;
}

.faq summary {
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
}

.faq details p { margin: 12px 0 0; color: var(--muted); }

/* --- Testimonials ---------------------------------------------------------- */

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 26px;
  border-left: 5px solid var(--cobalt);
}

.testimonial-card blockquote {
  margin: 0 0 16px;
  font-style: italic;
  color: var(--ink);
}

.testimonial-card .attribution {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
}

/* --- Upsell band -------------------------------------------------------------- */

.upsell-band {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 72px 0;
}

.upsell-band h2 { color: var(--white); }

.upsell-band p {
  max-width: 560px;
  margin: 0 auto 1.6em;
  color: rgba(255, 255, 255, 0.88);
}

.upsell-band .eyebrow { color: var(--amber); }

/* --- Pain list ------------------------------------------------------------ */

.pain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 640px;
  margin: 0 auto;
}

.pain-list li {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 22px;
  margin-bottom: 12px;
  font-weight: 600;
  color: var(--navy);
}

.pain-list li::before { content: "→ "; color: var(--amber); font-weight: 800; }

/* --- Contact form ------------------------------------------------------------ */

.contact-form {
  max-width: 560px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 36px;
}

.contact-form label {
  display: block;
  font-weight: 700;
  color: var(--navy);
  margin: 18px 0 6px;
}

.contact-form label:first-child { margin-top: 0; }

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  background: var(--ice);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--cobalt);
  border-color: var(--cobalt);
}

.contact-form .btn { margin-top: 24px; width: 100%; border: none; }

.contact-alt { text-align: center; margin-top: 24px; color: var(--muted); }

/* --- About -------------------------------------------------------------------- */

.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 44px;
  align-items: start;
}

.about-grid img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.about-grid .subtitle {
  color: var(--cobalt);
  font-weight: 700;
  margin-top: -0.4em;
}

/* --- Footer -------------------------------------------------------------------- */

.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.85);
  padding: 56px 0 32px;
}

.site-footer .container {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
}

.site-footer .brand { color: var(--white); }

.site-footer .brand img { height: 40px; }

.site-footer .slogan { max-width: 320px; margin-top: 12px; }

.site-footer ul { list-style: none; margin: 0; padding: 0; }

.site-footer ul a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  line-height: 2;
}

.site-footer ul a:hover { color: var(--amber); }

.site-footer .copyright {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 20px;
  font-size: 0.85rem;
  text-align: center;
}

/* --- Responsive ------------------------------------------------------------------ */

@media (max-width: 900px) {
  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 14px;
    box-shadow: var(--shadow-lg);
  }

  .site-nav.nav-open .nav-links { display: flex; }
}

@media (max-width: 720px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .hero { padding: 56px 0 64px; }

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

  .about-grid img { max-width: 320px; }

  .value-stack, .contact-form { padding: 24px; }

  .site-footer .container { grid-template-columns: 1fr; }
}