/* ==========================================================
   Strikeworks Studio, Project 4 stylesheet
   Hand-authored CSS3, no preprocessor, no framework.
   Palette (all pairs verified >= 4.5:1 contrast):
     ink #1e293b / muted #475569 on bg #ffffff
     white #ffffff on primary #1e3a8a
     accent #2563eb on bg #ffffff, white on accent
   ========================================================== */

/* ---- Reset-lite ---- */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 1.05rem;
  line-height: 1.65;
  color: #1e293b;
  background-color: #ffffff;
}

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

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 200;
  padding: 0.6rem 1rem;
  background-color: #1e3a8a;
  color: #ffffff;
}

.skip-link:focus {
  left: 0;
}

/* ---- Header / nav ---- */
header {
  background-color: #1e3a8a;
  color: #ffffff;
}

.header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.65rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
}

.brand:hover,
.brand:focus {
  color: #ffffff;
}

.brand img {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.4rem;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  background-color: #1e40af;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 0.65rem;
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
}

.nav-toggle:hover,
.nav-toggle:focus {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.1rem;
  margin: 0;
  padding: 0;
}

nav a {
  display: block;
  padding: 0.55rem 0.55rem;
  color: #bfdbfe;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 0.35rem;
  white-space: nowrap;
  transition: background-color 0.25s ease, color 0.25s ease;
}

nav a:hover,
nav a:focus {
  background-color: #1e40af;
  color: #ffffff;
  outline: 2px solid #2563eb;
  outline-offset: -2px;
}

nav a[aria-current="page"] {
  color: #ffffff;
  background-color: #2563eb;
}

/* ---- Main content ---- */
main {
  max-width: 72rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 4.5rem;
}

h1 {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: #1e293b;
  margin-top: 0;
}

h2 {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #1e3a8a;
  margin-top: 3rem;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #2563eb;
}

section {
  margin-bottom: 2.5rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: #2563eb;
}

a:hover,
a:focus {
  color: #1e3a8a;
  text-decoration-thickness: 2px;
}

/* ---- Hero ----
   The image sits behind, absolutely positioned to fill whatever height
   the overlay ends up needing. The overlay itself stays in normal flow
   with a min-height, so it grows taller instead of clipping/overflowing
   when the headline wraps to more lines on a narrower screen. */
.hero {
  position: relative;
  color: #ffffff;
  min-height: 26rem;
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: relative;
  z-index: 1;
  min-height: 26rem;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.6), rgba(15, 23, 42, 0.88));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 1.5rem;
}

.hero-overlay-inner {
  max-width: 72rem;
  margin: 0 auto;
  width: 100%;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  font-weight: 700;
  color: #bfdbfe;
  margin-bottom: 0.5rem;
}

.hero h1 {
  color: #ffffff;
  font-size: 2.6rem;
  max-width: 40rem;
}

.hero p {
  max-width: 34rem;
  font-size: 1.15rem;
}

/* ---- Buttons / CTA ---- */
.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  background-color: #2563eb;
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.button:hover,
.button:focus {
  background-color: #1d4ed8;
  color: #ffffff;
  transform: translateY(-2px);
  outline: 2px solid #1e3a8a;
  outline-offset: 2px;
}

.button-outline {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.button-outline:hover,
.button-outline:focus {
  background-color: #ffffff;
  color: #1e3a8a;
}

.cta-band {
  background-color: #1e3a8a;
  color: #ffffff;
  border-radius: 0.75rem;
  padding: 2rem;
  text-align: center;
  margin: 2.5rem 0;
}

.cta-band h2 {
  color: #ffffff;
  margin-top: 0;
}

/* ---- About intro layout ---- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.5rem;
  align-items: start;
}

.about-intro img {
  border-radius: 1rem;
}

/* ---- Value / feature grid ---- */
.value-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.value-card,
.card {
  background-color: #ffffff;
  border: 1px solid rgba(30, 41, 59, 0.08);
  box-shadow: 0 1px 2px rgba(30, 41, 59, 0.04), 0 8px 24px rgba(30, 41, 59, 0.06);
  border-radius: 1rem;
  padding: 1.5rem;
}

.value-card .fa-solid,
.card .fa-solid,
.service-card .fa-solid {
  color: #2563eb;
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.value-card h3,
.card h3 {
  margin-top: 0.25rem;
}

/* Icons that sit inline ahead of a section heading. Sized in em so they
   scale with whatever heading they are attached to, and marked
   aria-hidden in the markup since the heading text already says it. */
.heading-icon {
  color: #2563eb;
  font-size: 0.85em;
  margin-right: 0.5rem;
}

/* ---- Service cards ---- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.service-card {
  background-color: #ffffff;
  border: 1px solid rgba(30, 41, 59, 0.08);
  box-shadow: 0 1px 2px rgba(30, 41, 59, 0.04), 0 8px 24px rgba(30, 41, 59, 0.06);
  border-radius: 1rem;
  padding: 1.5rem;
}

.service-price {
  display: inline-block;
  margin-top: 0.5rem;
  font-weight: 700;
  color: #b45309;
}

/* ---- Portfolio / case study cards ---- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.case-card {
  background-color: #ffffff;
  border: 1px solid rgba(30, 41, 59, 0.08);
  box-shadow: 0 1px 2px rgba(30, 41, 59, 0.04), 0 8px 24px rgba(30, 41, 59, 0.06);
  border-radius: 1rem;
  overflow: hidden;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.case-card:hover,
.case-card:focus-within {
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.15);
  transform: translateY(-3px);
}

.case-card img {
  width: 100%;
  height: 11rem;
  object-fit: cover;
}

.case-card-body {
  padding: 1.25rem;
}

.case-title {
  display: block;
  color: #2563eb;
  font-weight: 700;
}

.case-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: #2563eb;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}

/* ---- Case study detail layout ---- */
.case-hero img {
  width: 100%;
  height: 18rem;
  object-fit: cover;
  border-radius: 1rem;
  margin-bottom: 1.5rem;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  background-color: #ffffff;
  border: 1px solid rgba(30, 41, 59, 0.08);
  box-shadow: 0 1px 2px rgba(30, 41, 59, 0.04), 0 8px 24px rgba(30, 41, 59, 0.06);
  border-radius: 1rem;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.case-meta dt {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #475569;
  margin: 0;
}

.case-meta dd {
  margin: 0.25rem 0 0;
  font-weight: 600;
}

/* ---- Testimonials ---- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

blockquote.testimonial {
  background-color: #ffffff;
  border: 1px solid rgba(30, 41, 59, 0.08);
  box-shadow: 0 1px 2px rgba(30, 41, 59, 0.04), 0 8px 24px rgba(30, 41, 59, 0.06);
  border-left: 4px solid #2563eb;
  border-radius: 1rem;
  padding: 1.5rem;
  margin: 0;
}

.testimonial-person {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.testimonial-person img {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-person figcaption {
  font-size: 0.9rem;
  color: #475569;
}

/* ---- Blog ---- */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.blog-teaser {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 1.25rem;
  background-color: #ffffff;
  border: 1px solid rgba(30, 41, 59, 0.08);
  box-shadow: 0 1px 2px rgba(30, 41, 59, 0.04), 0 8px 24px rgba(30, 41, 59, 0.06);
  border-radius: 1rem;
  padding: 1rem;
}

.blog-teaser img {
  height: 100%;
  border-radius: 0.65rem;
  object-fit: cover;
}

.blog-meta {
  font-size: 0.85rem;
  color: #475569;
}

article.blog-post figure {
  margin: 0 0 1.5rem;
}

article.blog-post figcaption {
  font-size: 0.85rem;
  color: #475569;
  margin-top: 0.4rem;
}

/* ---- Form ---- */
form {
  background-color: #ffffff;
  border: 1px solid rgba(30, 41, 59, 0.08);
  box-shadow: 0 1px 2px rgba(30, 41, 59, 0.04), 0 8px 24px rgba(30, 41, 59, 0.06);
  border-radius: 1rem;
  padding: 1.5rem;
}

fieldset {
  border: 1px solid rgba(30, 41, 59, 0.08);
  box-shadow: 0 1px 2px rgba(30, 41, 59, 0.04), 0 8px 24px rgba(30, 41, 59, 0.06);
  border-radius: 0.85rem;
  padding: 1rem 1.25rem 1.25rem;
  margin: 0 0 1.5rem;
}

legend {
  font-weight: 700;
  color: #1e3a8a;
  padding: 0 0.4rem;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.field {
  margin-bottom: 1rem;
}

input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid #bfdbfe;
  border-radius: 0.65rem;
  background-color: #eff6ff;
  color: #1e293b;
  font-family: inherit;
  font-size: 1rem;
}

/* Browser default placeholder grey lands at 4.23:1 against the pale blue
   field, just under the 4.5:1 the rubric requires. Set it explicitly. */
::placeholder {
  color: #475569;
  opacity: 1;
}

input[type="text"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
  outline: 2px solid #2563eb;
  outline-offset: 1px;
  background-color: #ffffff;
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 400;
}

.checkbox-field {
  margin-top: 1rem;
  margin-bottom: 0;
}

.checkbox-field label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 400;
}

input[type="radio"],
input[type="checkbox"] {
  accent-color: #1e3a8a;
}

.required {
  color: #b45309;
}

.field-error {
  display: block;
  color: #b45309;
  font-size: 0.85rem;
  min-height: 1.1rem;
  margin-top: 0.25rem;
}

button[type="submit"] {
  padding: 0.8rem 1.75rem;
  border: 0;
  border-radius: 999px;
  background-color: #1e3a8a;
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.25s ease;
}

button[type="submit"]:hover,
button[type="submit"]:focus {
  background-color: #2563eb;
  outline: 2px solid #b45309;
  outline-offset: 2px;
}

/* ---- Footer ---- */
footer {
  background-color: #1e3a8a;
  color: #ffffff;
  margin-top: 3rem;
}

.footer-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.5rem;
}

.footer-inner h2 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-top: 0;
}

.footer-inner a {
  color: #bfdbfe;
}

.footer-inner a:hover,
.footer-inner a:focus {
  color: #ffffff;
}

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

.footer-nav li {
  margin-bottom: 0.4rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background-color: #1e40af;
  border-radius: 50%;
  margin-right: 0.4rem;
}

/* ---- Footer site search (DuckDuckGo site-scoped) ----
   Resets the white card treatment the global form rule gives the
   contact form, since this small form sits on the dark footer. */
.footer-search {
  margin-top: 1.25rem;
  background-color: transparent;
  border: 0;
  box-shadow: none;
  border-radius: 0;
  padding: 0;
}

.footer-search label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.footer-search-row {
  display: flex;
  gap: 0.4rem;
}

.footer-search input[type="search"] {
  flex: 1;
  min-width: 0;
  padding: 0.45rem 0.6rem;
  border: 1px solid #bfdbfe;
  border-radius: 0.65rem;
  background-color: #eff6ff;
  color: #1e293b;
  font-family: inherit;
  font-size: 0.95rem;
}

.footer-search input[type="search"]:focus {
  outline: 2px solid #bfdbfe;
  outline-offset: 1px;
  background-color: #ffffff;
}

.footer-search button {
  padding: 0.45rem 0.8rem;
  border: 0;
  border-radius: 0.65rem;
  background-color: #eff6ff;
  color: #1e3a8a;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.25s ease;
}

.footer-search button:hover,
.footer-search button:focus {
  background-color: #ffffff;
  outline: 2px solid #bfdbfe;
  outline-offset: 1px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  padding: 1rem 1.5rem;
  font-size: 0.85rem;
}

/* ---- Reference lists and article footer links ---- */
.references {
  font-size: 0.92rem;
  line-height: 1.6;
  padding-left: 1.25rem;
}

.references li {
  margin-bottom: 0.5rem;
}

.back-to-top {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 600;
}

/* ==========================================================
   Responsive breakpoints
   ========================================================== */

/* Collapse the 7-item text nav into the hamburger well before it
   would otherwise wrap onto a second line. This has to kick in
   earlier than the "tablet" and "phone" tiers below, since the nav
   itself (not the page grids) is what breaks first on a narrower
   laptop screen. */
@media (max-width: 1020px) {
  .nav-toggle {
    display: inline-flex;
    /* The empty <nav> (its ul is absolutely positioned below) still
       claims a slot in the header's space-between row, which would
       otherwise push this button away from the true right edge.
       margin-left: auto absorbs the free space itself, so the button
       lands flush right with the same edge margin as the logo. */
    margin-left: auto;
  }

  /* header-inner's row gap would otherwise add extra space between
     the toggle and the now-empty <nav> after it, throwing off the
     match with the logo's left margin. Only two visible items remain
     at this width (brand, toggle), positioned by the auto margin
     above, so no inter-item gap is needed. */
  .header-inner {
    gap: 0;
  }

  header {
    position: relative;
  }

  /* Take the menu out of the header's flex row entirely and drop it as
     a full-width panel below the header, so it stacks cleanly on the
     left instead of shrink-wrapping into whatever space is left next
     to the toggle button. */
  header nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    width: auto;
    gap: 0;
    margin: 0;
    padding: 0.5rem 0;
    background-color: #1e3a8a;
    box-shadow: 0 16px 28px rgba(15, 23, 42, 0.28);
    z-index: 60;
  }

  header nav ul.is-open {
    display: flex;
  }

  header nav li {
    width: 100%;
  }

  header nav li + li {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  header nav a {
    padding: 0.95rem 1.5rem;
    border-radius: 0;
  }

  header nav a[aria-current="page"] {
    background-color: #1e40af;
  }
}

@media (max-width: 860px) {
  .value-grid,
  .card-grid,
  .case-grid,
  .testimonial-grid,
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

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

  .case-meta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .value-grid,
  .card-grid,
  .case-grid,
  .testimonial-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .hero,
  .hero-overlay {
    min-height: 20rem;
  }

  .blog-teaser {
    grid-template-columns: 1fr;
  }
}

/* Link out from a case study to the client site that was actually built. */
.live-site-link {
  margin-top: 1.5rem;
}

.live-site-link .fa-solid {
  margin-right: 0.5rem;
}