/* Due Diligence Partners — duediligencepartners.com
   Design tokens lifted from the original Squarespace site (site.css):
   fonts Archivo Black (headings, uppercase) + Space Grotesk (body/buttons),
   palette accent/darkAccent/lightAccent, per-section themes. */

/* ---------- Fonts (self-hosted) ---------- */
@font-face {
  font-family: 'Archivo Black';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/archivo-black-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+2013-2014, U+2018-201A, U+201C-201E, U+2026;
}
@font-face {
  font-family: 'Archivo Black';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/archivo-black-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+1E00-1EFF, U+20AC;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/assets/fonts/space-grotesk-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+2013-2014, U+2018-201A, U+201C-201E, U+2026;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/assets/fonts/space-grotesk-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+1E00-1EFF, U+20AC;
}

/* ---------- Tokens ---------- */
:root {
  --accent: hsl(209.23, 52.7%, 70.98%);      /* light blue */
  --dark-accent: hsl(204.39, 79.49%, 38.24%);/* deep blue  */
  --light-accent: hsl(240, 10.53%, 92.55%);  /* pale gray  */
  --black: #000;
  --white: #fff;
  --heading-font: 'Archivo Black', 'Helvetica Neue', Arial, sans-serif;
  --body-font: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --btn-radius: 10px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body-font);
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--heading-font);
  font-weight: 400;
  text-transform: uppercase;
  line-height: 1.15;
  margin: 0 0 0.6em;
  overflow-wrap: break-word;
}
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h4 { font-size: clamp(1.2rem, 2.2vw, 1.6rem); }

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

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--white); color: var(--black); padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--body-font);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  padding: 1rem 1.3rem;
  border: none;
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: opacity 0.15s ease;
}
.btn:hover { opacity: 0.85; }
.btn--accent { background: var(--accent); color: var(--black); }
.btn--black  { background: var(--black);  color: var(--white); }
.btn--white  { background: var(--white);  color: var(--black); }

/* ---------- Header ---------- */
.site-header {
  background: var(--white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
}
.site-logo {
  font-family: var(--heading-font);
  font-size: 1.7rem;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.site-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.site-nav a {
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--dark-accent); }
.site-nav .btn { padding: 0.75rem 1.1rem; }
.header-social { display: flex; align-items: center; gap: 14px; }
.header-social a { display: inline-flex; }
.header-social svg { width: 20px; height: 20px; fill: currentColor; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block; width: 26px; height: 3px; background: var(--black); margin: 5px 0;
}

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    gap: 18px;
  }
  .site-nav.is-open { display: flex; }
}

/* ---------- Section themes (mirrors Squarespace data-section-theme) ---------- */
.section { padding: 72px 0; }
.section--dark   { background: var(--dark-accent);  color: var(--white); }
.section--bright { background: var(--accent);       color: var(--black); }
.section--light  { background: var(--light-accent); color: var(--black); }
.section--white  { background: var(--white);        color: var(--black); }
.section--inverse { background: var(--black);       color: var(--white); }
.section--inverse h1, .section--inverse h2, .section--inverse h3 { color: var(--accent); }

/* ---------- Hero (home) ---------- */
.hero { text-align: center; padding: 110px 0 120px; }
.hero h1 { max-width: 900px; margin-inline: auto; }
.hero .hero-sub {
  font-family: var(--heading-font);
  text-transform: uppercase;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  margin: 0 0 18px;
}
.hero .hero-meta { font-size: 1.05rem; letter-spacing: 0.06em; margin: 0 0 34px; }

/* ---------- Client logo strip ---------- */
.logo-strip { padding: 44px 0; background: #c9c9c9; overflow: hidden; }
.logo-strip__track {
  display: flex;
  align-items: center;
  gap: 70px;
  width: max-content;
  animation: marquee 35s linear infinite;
}
.logo-strip__track img {
  height: 64px;
  width: auto;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.25));
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .logo-strip__track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
  .logo-strip__track[aria-hidden="true"] { display: none; }
}

/* ---------- Photo band ---------- */
.photo-band img { width: 100%; }

/* ---------- Value props (Fast / Effortless / Accurate) ---------- */
.value-props { text-align: center; }
.value-props__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.value-props__grid img { width: 72px; height: 72px; margin: 0 auto 18px; }
.value-props__grid p { margin: 0; }
@media (max-width: 720px) { .value-props__grid { grid-template-columns: 1fr; } }

/* ---------- Services ---------- */
.services__kicker {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin: 0 0 40px;
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}
.service-card {
  background: var(--white);
  color: var(--black);
  border-radius: 14px;
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.service-card img { width: 58px; height: 58px; margin-bottom: 20px; }
.service-card h2 { font-size: 1.45rem; }
.service-card p { flex: 1; margin: 0 0 24px; font-size: 1rem; }
.services__cta { text-align: center; }
@media (max-width: 900px) { .services__grid { grid-template-columns: 1fr; } }

/* ---------- Stats ---------- */
.stats {
  position: relative;
  background: url('/assets/images/bg-stats.webp') center / cover no-repeat;
  padding: 90px 0;
  color: var(--black);
}
.stats::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255, 255, 255, 0.85);
}
.stats .container { position: relative; }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  text-align: center;
}
.stats__grid h3 { color: var(--dark-accent); margin-bottom: 0.2em; }
.stats__grid p { margin: 0; font-weight: 500; }
@media (max-width: 900px) { .stats__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .stats__grid { grid-template-columns: 1fr; } }

/* ---------- Service detail pages ---------- */
.service-hero__lead { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; margin-bottom: 26px; }
.service-hero__lead img { border-radius: 14px; }
.service-hero__lead .btn { margin-top: 28px; }
@media (max-width: 900px) { .service-hero__lead { grid-template-columns: 1fr; } }

.includes { margin-top: 30px; }
.includes h4 { margin-bottom: 1em; }
.includes ul { list-style: none; margin: 0; padding: 0; max-width: 860px; }
.includes li { padding: 9px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.18); font-size: 1.05rem; }
.includes li strong { font-weight: 700; }
.includes .read-more-rest[hidden] { display: none; }
.read-more-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-family: var(--body-font);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  padding: 12px 0;
}
.includes__outro { max-width: 860px; }

/* ---------- Scheduling / contact ---------- */
.contact-hero { text-align: center; padding-bottom: 30px; }
.contact-form-wrap { max-width: 680px; margin: 0 auto; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .form-field--full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.form-field label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.95rem; }
.form-field input, .form-field textarea {
  width: 100%;
  font-family: var(--body-font);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 8px;
  background: var(--white);
}
.form-field input:focus, .form-field textarea:focus {
  outline: 2px solid var(--dark-accent);
  border-color: transparent;
}
.form-status { margin-top: 16px; font-weight: 600; }
.form-status--error { color: #b00020; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ---------- Team ---------- */
.team-intro { text-align: center; padding-bottom: 20px; }
.team-member {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: start;
  padding: 44px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.team-member:last-child { border-bottom: none; }
.team-member img { border-radius: 14px; width: 100%; }
.team-member h2 { font-size: 1.6rem; }
.team-member .team-role { font-weight: 700; color: var(--accent); margin-top: 0; }
@media (max-width: 800px) { .team-member { grid-template-columns: 1fr; } .team-member img { max-width: 340px; } }

/* ---------- Newsletter ---------- */
.newsletter { text-align: center; }
.newsletter h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
.newsletter form {
  display: flex;
  gap: 14px;
  justify-content: center;
  max-width: 520px;
  margin: 24px auto 0;
}
.newsletter input[type='email'] {
  flex: 1;
  font-family: var(--body-font);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 8px;
}
@media (max-width: 520px) { .newsletter form { flex-direction: column; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); color: var(--white); padding: 64px 0 40px; }
.site-footer h2 { color: var(--accent); font-size: 1.3rem; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 640px) { .site-footer__grid { grid-template-columns: 1fr; } }
.site-footer a { color: var(--white); }
.site-footer a:hover { color: var(--accent); }
.site-footer .footer-social { display: flex; gap: 16px; margin-top: 14px; }
.site-footer .footer-social svg { width: 22px; height: 22px; fill: currentColor; }
.site-footer__copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 24px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}