/* Tyree Digital — shared stylesheet for case study pages */
@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/figtree.woff2') format('woff2');
}

:root {
  --bg:          #070a18;
  --bg-card:     #0c0f22;
  --bg-alt:      #090c1d;
  --bg-hover:    #111428;
  --text:        #e8eeff;
  --text-2:      rgba(232,238,255,0.6);
  --text-3:      rgba(232,238,255,0.34);
  --blue:        #5b94f5;
  --blue-lt:     #7aaef7;
  --blue-dim:    rgba(91,148,245,0.1);
  --blue-border: rgba(91,148,245,0.28);
  --green:       #22c55e;
  --green-dark:  #1aad52;
  --green-dim:   rgba(34,197,94,0.12);
  --amber:       #f59e0b;
  --border:      rgba(255,255,255,0.07);
  --border-2:    rgba(255,255,255,0.11);
  --f:           'Figtree', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --ease:        cubic-bezier(0.16, 1, 0.3, 1);

  /* backwards-compat aliases for old case study token names */
  --font-heading:   var(--f);
  --font-body:      var(--f);
  --accent:         var(--blue);
  --accent-rgb:     91, 148, 245;
  --green-rgb:      34, 197, 94;
  --text-primary:   var(--text);
  --text-secondary: var(--text-2);
  --text-tertiary:  var(--text-3);
  --text-muted:     var(--text-3);
  --text-dim:       var(--text-3);
  --text-ghost:     rgba(232,238,255,0.15);
  --surface-base:   var(--bg);
  --surface-raised: var(--bg-card);
  --surface-sunken: #050710;
  --ease-out:       var(--ease);
  --radius-sm:      6px;
  --radius-md:      10px;
  --radius-lg:      14px;
  --text-xs:        0.75rem;
  --text-sm:        0.875rem;
  --text-base:      1rem;
  --text-md:        1.125rem;
  --text-lg:        1.25rem;
  --text-xl:        1.5rem;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f);
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--f);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}
h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); margin-bottom: 24px; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-top: 64px; margin-bottom: 20px; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); margin-top: 40px; margin-bottom: 14px; }
p { color: var(--text-2); max-width: 65ch; font-size: var(--text-md); line-height: 1.75; margin-bottom: 20px; }
a { color: var(--blue); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--blue-lt); }
a:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 2px; }
ul, ol { color: var(--text-2); max-width: 65ch; margin-bottom: 20px; padding-left: 24px; }
li { margin-bottom: 8px; font-size: var(--text-md); line-height: 1.75; }
blockquote {
  border-left: 3px solid var(--blue);
  padding: 16px 24px; margin: 24px 0;
  background: var(--blue-dim);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
blockquote p { color: var(--text-2); font-style: italic; margin-bottom: 0; }
hr { border: none; border-top: 1px solid var(--border); margin: 48px 0; }
em { color: var(--text-3); }

.wrap, .container {
  width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 28px;
}

/* NAV */
.nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 22px 0; transition: background .35s, padding .35s, border-color .35s;
  border-bottom: 1px solid transparent;
}
.nav.stuck {
  background: rgba(7,10,24,.93);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  border-color: var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav__logo {
  font-family: var(--f); font-weight: 700; font-size: 1.2rem;
  letter-spacing: .06em; text-transform: uppercase; color: var(--text); line-height: 1;
  display: flex; flex-direction: column; text-decoration: none;
}
.nav__logo-sub {
  font-size: .52rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--text-3); margin-top: 4px; font-weight: 800; padding-left: 2px;
}
.nav__links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav__links a {
  font-family: var(--f); font-size: .875rem; font-weight: 600;
  letter-spacing: .02em; color: var(--text-2);
  transition: color .2s; position: relative; text-decoration: none;
}
.nav__links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--blue);
  transition: width .25s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }
.nav__burger {
  display: none; flex-direction: column; gap: 5px; padding: 8px;
  color: var(--text); background: none; border: none; cursor: pointer;
}
.nav__burger span {
  display: block; width: 22px; height: 2px;
  background: currentColor; border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav__burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
.nav__mobile {
  display: none; position: fixed; inset: 0;
  background: rgba(7,10,24,.97); backdrop-filter: blur(24px);
  z-index: 999; flex-direction: column;
  align-items: center; justify-content: center; gap: 44px;
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  font-family: var(--f); font-size: 2.4rem; font-weight: 700;
  letter-spacing: -0.02em; color: var(--text);
  transition: color .2s; text-decoration: none;
}
.nav__mobile a:hover { color: var(--blue); }
@media (max-width: 780px) { .nav__links, .nav__cta { display: none; } .nav__burger { display: flex; } }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f); font-size: .95rem; font-weight: 700;
  letter-spacing: .01em; padding: 13px 26px;
  border-radius: 999px; cursor: pointer;
  transition: background .22s, color .22s, border-color .22s, transform .22s var(--ease);
  text-decoration: none; border: 1.5px solid transparent;
}
.btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.btn--green {
  background: transparent; border-color: var(--green); color: var(--green);
}
.btn--green:hover {
  background: var(--green); color: #052e16; border-color: var(--green); transform: translateY(-2px);
}
.btn--green:active { transform: translateY(0); }
.btn--blue {
  background: transparent; border-color: var(--blue); color: var(--blue); font-weight: 700;
}
.btn--blue:hover {
  background: var(--blue); color: #070a18; border-color: var(--blue); transform: translateY(-2px);
}
.btn--blue:active { transform: translateY(0); }
.btn--primary {
  background: transparent; border-color: var(--green); color: var(--green);
}
.btn--primary:hover {
  background: var(--green); color: #052e16; border-color: var(--green); transform: translateY(-2px);
}
.btn--primary:active { transform: translateY(0); }
.btn--ghost {
  background: transparent; border-color: var(--border-2); color: var(--text-2);
}
.btn--ghost:hover { border-color: var(--blue-border); color: var(--text); }

/* FOOTER */
.footer {
  background: #050710;
  border-top: 1px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--blue-border) 40%, rgba(34,197,94,.18) 70%, transparent) 1;
  padding: 48px 0;
}
.footer__inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 20px;
}
.footer__brand { font-family: var(--f); font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; color: var(--text-3); }
.footer__sub { font-size: .78rem; color: var(--text-3); margin-top: 4px; }
.footer__right { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.footer__link { font-size: .78rem; color: var(--text-3); transition: color .2s; text-decoration: none; }
.footer__link:hover { color: var(--blue); }
.footer__copy { font-size: .78rem; color: var(--text-3); }
@media (max-width: 600px) {
  .footer__inner { flex-direction: column; gap: 16px; }
  .footer__right { gap: 16px; }
}

/* CASE STUDY LAYOUT */
.case-study-hero {
  padding: 140px 0 60px;
  border-bottom: 1px solid var(--border);
}
.case-study-hero .eyebrow {
  font-family: var(--f); font-size: var(--text-sm);
  font-weight: 600; letter-spacing: .15em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 16px; display: block;
}
.case-study-content { padding: 60px 0 80px; }

.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.breadcrumb a {
  font-family: var(--f); font-size: var(--text-sm); font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-2); text-decoration: none;
}
.breadcrumb a:hover { color: var(--text); }
.breadcrumb__sep { color: var(--text-3); font-size: var(--text-sm); }
.eyebrow {
  font-family: var(--f); font-size: var(--text-sm);
  font-weight: 600; letter-spacing: .15em; text-transform: uppercase;
  color: var(--blue); display: inline;
}

.table-wrap { overflow-x: auto; margin: 32px 0; max-width: 100%; }
table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden; }
thead { background: var(--blue-dim); }
th {
  font-family: var(--f); font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; color: var(--text);
  padding: 14px 20px; text-align: left;
  border-bottom: 2px solid var(--blue-border); font-size: var(--text-sm);
}
td { padding: 12px 20px; color: var(--text-2); border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(91,148,245,.04); }

.cta-section { padding: 80px 0; text-align: center; border-top: 1px solid var(--border); }
.cta-section h2 { margin-top: 0; }
.cta-section p { margin: 0 auto 32px; text-align: center; }

@media (max-width: 480px) {
  body { font-size: 1rem; }
  .case-study-hero { padding: 120px 0 48px; }
  h1 { font-size: clamp(1.8rem, 6vw, 2.4rem); }
}