/* =============================================================
   Bright Idea Engine — shared stylesheet
   Built for the static rebuild; reuse across all pages.
   ============================================================= */

:root {
  --c-blue-dark:   #0f3c5f;
  --c-blue:        #1f5b87;
  --c-blue-light:  #2c79ad;
  --c-orange:      #ee7a3c;
  --c-orange-dark: #d8662a;
  --c-text:        #333333;
  --c-muted:       #6c757d;
  --c-bg:          #ffffff;
  --c-bg-soft:     #f5f6f7;
  --c-border:      #e6e8ea;

  --font-sans: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --container: 1180px;
  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(15, 60, 95, 0.06);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--c-blue); text-decoration: none; }
a:hover, a:focus-visible { color: var(--c-orange); }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; margin: 0 0 .5em; color: var(--c-blue-dark); }

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

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 16px; top: 16px;
  width: auto; height: auto;
  padding: 8px 14px;
  background: var(--c-orange);
  color: #fff;
  border-radius: var(--radius);
  z-index: 100;
}

/* ---------- Header ---------- */
.site-header {
  position: relative;
  background:
    linear-gradient(180deg, rgba(15, 60, 95, 0.88), rgba(15, 60, 95, 0.88)),
    url("../assets/images/bg-dark.jpg") center/cover no-repeat;
  color: #fff;
  padding: 22px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo img { height: 70px; width: auto; }

.primary-nav ul {
  display: flex;
  gap: 32px;
  align-items: center;
}
.primary-nav a {
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a.is-current { color: var(--c-orange); }
.primary-nav a.is-current { border-bottom-color: var(--c-orange); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: transform .2s ease;
}

/* ---------- Hero ---------- */
.hero {
  background:
    linear-gradient(180deg, rgba(15, 60, 95, 0.86), rgba(15, 60, 95, 0.86)),
    url("../assets/images/bg-dark.jpg") center/cover no-repeat;
  color: #fff;
  padding: 80px 0 110px;
  /* visually continuous with the header */
  margin-top: -1px;
}
.hero-inner { max-width: 760px; }
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  margin-bottom: 24px;
}
.hero p {
  font-size: 1rem;
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.92);
}
.hero-tagline {
  font-weight: 600;
}
.hero .btn { margin-top: 18px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .04em;
  line-height: 1;
  transition: background-color .15s ease, transform .05s ease;
}
.btn-primary {
  background: var(--c-orange);
  color: #fff;
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--c-orange-dark);
  color: #fff;
}

/* ---------- Section common ---------- */
.section-title {
  text-align: center;
  color: var(--c-blue);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  margin: 0 0 16px;
}
.section-lead {
  text-align: center;
  color: var(--c-muted);
  margin: 0 auto 40px;
  max-width: 640px;
}

/* ---------- Clients ---------- */
.clients { padding: 72px 0 56px; }
.client-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px 48px;
  align-items: center;
  justify-items: center;
}
.client-grid li {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
}
.client-grid img {
  max-height: 70px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  filter: none;
  opacity: .9;
  transition: opacity .15s ease;
}
.client-grid img:hover { opacity: 1; }

/* ---------- Scroll-reveal animation (used on [data-reveal] elements) ----------
   Direction variants: up | down | left | right | fade
   Stagger:            put data-reveal-stagger (or data-reveal-stagger="120")
                       on a parent whose [data-reveal] children should animate
                       in sequence. Default step is 80ms.                       */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transition:
      opacity .8s cubic-bezier(.22, .61, .36, 1),
      transform .8s cubic-bezier(.22, .61, .36, 1);
    will-change: opacity, transform;
  }
  [data-reveal="left"]  { transform: translateX(-60px); }
  [data-reveal="right"] { transform: translateX(60px); }
  [data-reveal="up"]    { transform: translateY(40px); }
  [data-reveal="down"]  { transform: translateY(-40px); }
  [data-reveal="fade"]  { transform: none; }
  [data-reveal].is-revealed {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Page hero (short banner used on inner pages) ---------- */
.page-hero {
  background:
    linear-gradient(180deg, rgba(15, 60, 95, 0.86), rgba(15, 60, 95, 0.86)),
    url("../assets/images/bg-dark.jpg") center/cover no-repeat;
  color: #fff;
  padding: 70px 0 90px;
  margin-top: -1px;
}
.page-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin: 0;
}

/* ---------- Services detail (3 columns on /services) ---------- */
.services-detail {
  padding: 72px 0 96px;
  background: #fff;
}
.service-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 48px;
}
.service-card {
  text-align: center;
  padding: 8px;
}
.service-card h2 {
  color: var(--c-blue-dark);
  font-size: 1.35rem;
  margin: 0 0 16px;
}
.service-card p {
  color: var(--c-text);
  margin: 0;
  font-size: .95rem;
  line-height: 1.65;
}
.service-icon {
  display: block;
  width: 120px;
  height: 120px;
  margin: 0 auto 22px;
  background-color: var(--c-blue-dark);
  -webkit-mask-position: center;
          mask-position: center;
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-size: contain;
          mask-size: contain;
}
.service-icon-ops {
  -webkit-mask-image: url("../assets/images/icon-operational-excellence.png");
          mask-image: url("../assets/images/icon-operational-excellence.png");
}
.service-icon-rev {
  -webkit-mask-image: url("../assets/images/icon-revenue-growth.png");
          mask-image: url("../assets/images/icon-revenue-growth.png");
}
.service-icon-pm {
  -webkit-mask-image: url("../assets/images/icon-project-management.png");
          mask-image: url("../assets/images/icon-project-management.png");
}

/* ---------- Strategic Services ---------- */
.services {
  padding: 64px 0 88px;
  background: #fff;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  margin-top: 24px;
}
.services-grid li {
  text-align: center;
  padding: 8px;
}
.services-grid img {
  width: 110px;
  height: 110px;
  object-fit: contain;
  margin: 0 auto 18px;
}
.services-grid h3 {
  color: var(--c-blue);
  font-size: 1.05rem;
  margin: 0;
}

/* ---------- Thank-you page ---------- */
.thanks {
  background:
    linear-gradient(180deg, rgba(15, 60, 95, 0.86), rgba(15, 60, 95, 0.86)),
    url("../assets/images/bg-dark.jpg") center/cover no-repeat;
  color: #fff;
  padding: 110px 0 130px;
  margin-top: -1px;
  text-align: center;
}
.thanks-inner { max-width: 640px; margin-inline: auto; }
.thanks h1 {
  color: #fff;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  margin: 0 0 18px;
}
.thanks-lead {
  font-size: 1.15rem;
  margin: 0 0 8px;
  color: #fff;
  font-weight: 600;
}
.thanks-sub {
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 32px;
}
.thanks-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0;
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.7);
  padding: 10px 24px;
}
.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

/* ---------- Contact ---------- */
.contact {
  background:
    linear-gradient(180deg, rgba(15, 60, 95, 0.86), rgba(15, 60, 95, 0.86)),
    url("../assets/images/bg-dark.jpg") center/cover no-repeat;
  color: #fff;
  padding: 70px 0 110px;
  margin-top: -1px;
}
.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}
.contact-intro h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin: 0 0 12px;
}
.contact-subhead {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 18px;
  color: #fff;
}
.contact-lead {
  margin: 0;
  max-width: 480px;
  font-size: .98rem;
  color: rgba(255, 255, 255, 0.92);
}
.contact-lead a {
  color: var(--c-orange);
  font-weight: 600;
}
.contact-lead a:hover { color: #fff; }

.contact-form {
  background: transparent;
  max-width: 520px;
  width: 100%;
}
.contact-form .field {
  margin: 0 0 14px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 0;
  background: #ecedef;
  font: inherit;
  color: var(--c-text);
  border-radius: 2px;
  outline: 2px solid transparent;
  outline-offset: 0;
  transition: outline-color .15s ease, background-color .15s ease;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #7f8a92;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline-color: var(--c-orange);
  background: #fff;
}
.contact-form textarea {
  resize: vertical;
  min-height: 130px;
}
.field-submit { margin: 12px 0 0; }
.btn-submit {
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 14px 36px;
  font-size: 14px;
  border: 0;
  cursor: pointer;
}
.hp-field { position: absolute; left: -9999px; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ---------- About: team grid ---------- */
.page-hero-lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1rem;
  line-height: 1.6;
}

.team {
  padding: 64px 0 88px;
  background: #fff;
}
.team .case-section-title { margin-bottom: 36px; }

.team-row {
  display: grid;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.team-row-1 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
/* Row 2 uses a 6-column grid so the two cards sit centered between row-1 cards. */
.team-row-2 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.team-row-2 .team-card:nth-child(1) { grid-column: 2 / span 2; }
.team-row-2 .team-card:nth-child(2) { grid-column: 4 / span 2; }

.team-divider {
  border: 0;
  height: 1px;
  background: var(--c-border);
  margin: 48px 0;
}

.team-card { text-align: left; }
.team-photo {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--c-bg-soft);
  cursor: pointer;
}
.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  display: block;
}
.team-bio {
  position: absolute;
  inset: 0;
  background: var(--c-blue);
  color: #fff;
  padding: 22px;
  font-size: .85rem;
  line-height: 1.55;
  overflow: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility 0s linear .25s;
}
.team-bio p { margin: 0 0 10px; }
.team-bio p:last-child { margin-bottom: 0; }
.team-photo:hover .team-bio,
.team-photo:focus-within .team-bio {
  opacity: 1;
  visibility: visible;
  transition: opacity .25s ease, visibility 0s linear 0s;
}

.team-name {
  color: var(--c-blue);
  font-size: 1.2rem;
  margin: 18px 0 6px;
}
.team-role {
  color: var(--c-blue);
  font-weight: 600;
  font-size: .95rem;
  margin: 0 0 10px;
}
.team-email {
  font-size: .9rem;
  margin: 0;
  color: var(--c-text);
}
.team-email span { font-weight: 700; }
.team-email a { color: var(--c-orange); }
.team-email a:hover { color: var(--c-orange-dark); }

/* ---------- Case study detail page ---------- */
.page-hero-small { padding: 50px 0 60px; }
.page-hero-small h1 {
  font-size: clamp(1.6rem, 3.2vw, 2.25rem);
  margin: 0;
  max-width: 920px;
  line-height: 1.25;
}
.breadcrumb {
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.8);
}
.breadcrumb a { color: rgba(255, 255, 255, 0.95); }
.breadcrumb a:hover { color: var(--c-orange); }
.breadcrumb span[aria-hidden] { margin: 0 8px; opacity: .6; }

.case-study {
  padding: 56px 0 80px;
  background: #fff;
}
.case-study-inner { max-width: 820px; }
.case-study-figure {
  margin: 0 0 32px;
  border-radius: var(--radius);
  overflow: hidden;
}
.case-study-figure img {
  width: 100%;
  height: auto;
  display: block;
}
.case-study-subtitle {
  color: var(--c-blue-dark);
  font-size: 1.35rem;
  margin: 0 0 24px;
  line-height: 1.3;
}
.case-study-body p {
  margin: 0 0 16px;
  line-height: 1.7;
  color: var(--c-text);
}
.case-study-body strong { color: var(--c-blue-dark); }
.case-study-back {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--c-border);
}
.case-study-back a {
  color: var(--c-orange);
  font-weight: 600;
}
.case-study-back a:hover { color: var(--c-orange-dark); }

/* ---------- Case studies (listing) ---------- */
.case-section {
  padding: 56px 0;
  background: #f1ece2; /* warm off-white from the live site */
}
.case-section + .case-section { padding-top: 0; }
.case-section-title {
  color: var(--c-orange);
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin: 0 0 28px;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}
.case-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease;
}
.case-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(15, 60, 95, .12); }

.case-card-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.case-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.case-card-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(31, 91, 135, 0.55);
  transition: background-color .2s ease;
}
.case-card:hover .case-card-thumb::after { background: rgba(31, 91, 135, 0.35); }

.case-card-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.case-card-body h3 {
  font-size: 1.05rem;
  line-height: 1.35;
  margin: 0;
  color: var(--c-blue-dark);
}
.case-card-body h3 a { color: inherit; }
.case-card-body h3 a:hover { color: var(--c-orange); }
.case-card-tags {
  color: var(--c-text);
  font-size: .85rem;
  line-height: 1.5;
  margin: 0;
  flex: 1;
}
.read-more {
  color: var(--c-orange);
  font-weight: 600;
  font-size: .9rem;
  align-self: flex-start;
  margin-top: auto;
}
.read-more:hover { color: var(--c-orange-dark); }

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  background:
    linear-gradient(180deg, rgba(245, 246, 247, 0.92), rgba(245, 246, 247, 0.92)),
    url("../assets/images/bg-light.jpg") center/cover no-repeat;
  color: var(--c-text);
  padding: 40px 0 24px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 56px;
  flex-wrap: wrap;
}
.footer-logo img { height: 80px; width: auto; }

.footer-social {
  display: flex;
  align-items: center;
  gap: 14px;
}
.follow-label {
  margin: 0;
  font-weight: 700;
  color: var(--c-blue);
}
.social-links {
  display: flex;
  gap: 6px;
}
.social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: #fff;
  border-radius: 3px;
  transition: opacity .15s ease;
}
.social svg { width: 18px; height: 18px; fill: currentColor; }
.social-linkedin { background: #0A66C2; }
.social:hover    { opacity: .85; color: #fff; }

.footer-nav {
  margin-top: 24px;
  text-align: left;
}
.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding-left: 52px;
}
.footer-nav li + li::before {
  content: "|";
  color: var(--c-muted);
  margin: 0 14px;
}
.footer-nav a {
  color: var(--c-orange);
  font-weight: 600;
  font-size: 14px;
}
.footer-nav a:hover { color: var(--c-orange-dark); }

.copyright {
  margin: 24px 0 0;
  font-size: 12px;
  color: var(--c-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .client-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 32px; }
  .services-grid { gap: 28px; }
  .service-cards { grid-template-columns: 1fr; gap: 48px; max-width: 560px; margin-inline: auto; }
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .team-row-1 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .team-row-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .team-row-2 .team-card:nth-child(1),
  .team-row-2 .team-card:nth-child(2) { grid-column: auto; }
  .contact-inner { grid-template-columns: 1fr; gap: 36px; }
  .contact-form { max-width: 100%; }
  .hero { padding: 64px 0 88px; }
  .page-hero { padding: 56px 0 72px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .primary-nav {
    position: absolute;
    inset: 100% 0 auto 0;
    background: rgba(15, 60, 95, 0.97);
    display: none;
    padding: 12px 0 18px;
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul {
    flex-direction: column;
    gap: 4px;
    align-items: stretch;
  }
  .primary-nav a {
    display: block;
    padding: 10px 24px;
    border-bottom: 0;
  }
  .primary-nav a.is-current { border-bottom: 0; }

  .client-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .services-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .team-row-1, .team-row-2 { grid-template-columns: 1fr; gap: 28px; max-width: 360px; margin-inline: auto; }
  .footer-inner { gap: 24px; }
  .footer-logo img { height: 64px; }
  .logo img { height: 54px; }
  .hero { padding: 48px 0 64px; }
}

@media (max-width: 420px) {
  .footer-nav li + li::before { margin: 0 8px; }
}