/* =================================
   BASE + VARIABLES
================================= */

:root {
  --signals-blue: #4f7fa6;
  --signals-navy: #1f2f4a;
  --signals-green: #2f5f5b;
  --signals-black: #0b0d0e;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1f2a24;
  line-height: 1.6;
}

/* =================================
   RAIL SYSTEM
================================= */

.rail {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.rail.narrow {
  max-width: 720px;
}

/* =================================
   HEADER
================================= */

.site-header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7e6;
}

.header-rail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 0;
}

.logo {
  height: 64px;
  width: auto;
}

.header-cta {
  text-decoration: none;
  font-weight: 600;
  color: var(--signals-green);
}

/* =================================
   BANDS + GRADIENT FLOW
================================= */

.band {
  position: relative;
  padding: 120px 0;
}

.band::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -120px;
  height: 120px;
  background: inherit;
  filter: blur(40px);
  opacity: 0.6;
  pointer-events: none;
}

.band-light {
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    #f6f8f7 100%
  );
}

.band-muted {
  background: linear-gradient(
    180deg,
    var(--signals-green) 0%,
    #f3f5f4 60%
  );
}

.band-dark {
  background: linear-gradient(
    180deg,
    var(--signals-black) 0%,
    var(--signals-navy) 45%,
    var(--signals-green) 100%
  );
  color: #ffffff;
}

/* =================================
   SPLIT LAYOUT
================================= */

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.split.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.split-text h1 {
  font-size: 3.4rem;
  line-height: 1.05;
  margin-bottom: 24px;
}

.lead {
  font-size: 1.25rem;
  margin-bottom: 40px;
  color: #dfe5e2;
}

.split-media {
  position: relative;
}

.split-media img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.25);
}

/* Dark overlay so images blend into gradients */
.band-dark .split-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.35),
    rgba(0,0,0,0.15)
  );
  border-radius: 8px;
}

/* =================================
   LISTS
================================= */

ul {
  padding-left: 20px;
}

li {
  margin-bottom: 12px;
  font-size: 1.05rem;
}

/* =================================
   CTA BUTTON
================================= */

.cta-primary {
  display: inline-block;
  padding: 16px 36px;
  background: var(--signals-green);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
}

/* =================================
   FAQ
================================= */

.faq h2 {
  font-size: 2.8rem;
}

.faq-intro {
  margin-bottom: 64px;
  color: #cccccc;
}

.faq-item {
  border-bottom: 1px solid #333;
}

.faq-item button {
  width: 100%;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.1rem;
  padding: 24px 0;
  text-align: left;
  cursor: pointer;
}

.faq-item .answer {
  display: none;
  padding-bottom: 24px;
  color: #cccccc;
}

.faq-item.open .answer {
  display: block;
}

/* =================================
   CTA BAND
================================= */

.cta-band h2 {
  font-size: 2.6rem;
}

/* =================================
   FOOTER
================================= */

.footer {
  padding: 48px 0;
  font-size: 0.9rem;
}

/* =================================
   MOBILE (SINGLE CLEAN BREAKPOINT)
================================= */

@media (max-width: 768px) {

  .rail {
    padding: 0 24px;
  }

  .band {
    padding: 64px 0;
  }

  .split {
    display: flex;
    flex-direction: column;
    gap: 40px;
  }

  .split-text h1 {
    font-size: 2.1rem;
  }

  .lead {
    font-size: 1.1rem;
  }

  /* Fix "What I do differently" */
  .band-muted .split-text {
    order: 1;
  }

  .band-muted .split-media {
    order: 2;
    margin-top: 32px;
  }

  .band-muted ul {
    padding-left: 0;
    margin-top: 24px;
  }

  .band-muted li {
    list-style: none;
    margin-bottom: 16px;
    font-size: 1.05rem;
  }

  .split-media img {
    max-height: 320px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 24px 48px rgba(0,0,0,0.25);
  }

  .cta-primary {
    margin-top: 16px;
  }

  .faq-item button {
    padding: 18px 0;
    font-size: 1rem;
  }
}