/* =========================================================
   DESIGN SYSTEM FOUNDATION
   Tokens, colors, spacing, and layout constants
   ========================================================= */

:root {
  /* Core colors */
  --ink: #2a2a2a;
  --ink-soft: #555;
  --ink-faint: #777;
  --muted: #5b5b5b; 
  --bs-link-color: #003688;
  --bs-link-hover-color: #163b6b;
  --bs-link-color-rgb: 0, 54, 136;

  /* Surfaces */
  --bg: #faf8f4;
  --card: #f1efec;
  --surface-1: #f3f1ee;
  --surface-2: #efedea;
  --surface-3: #f5f3f0;

  /* Lines */
  --line: #e6e1da;
  --line-soft: #ddd;

  /* Misc */
  --stone: #c9c8c6;
  --footer: #4b4b4b;

  /* Layout */
  --nav-height: 6rem;
}

/* =========================================================
   GLOBAL ELEMENT DEFAULTS
   ========================================================= */

body {
  font-family: Inter, system-ui, sans-serif;
  color: var(--ink);
  background-color: var(--bg);
  line-height: 1.6;
}

main {
  padding-top: var(--nav-height);
}

#evidence-section {
  scroll-margin-top: var(--nav-height);
}

.btn {
  border-radius: 0.625rem;
}

/* =========================================================
   TYPOGRAPHY SYSTEM
   ========================================================= */

/* Serif role */
.serif,
.brand,
.hero-title,
.section-title,
.case-title,
.cs-h2,
.cs-h3,
.cs-h4,
.references {
  font-family: "Libre Baskerville", serif;
}

/* Eyebrow / label role */
.eyebrow,
.section-label,
.work-card h3,
.footer h6,
.footer .nav-link,
.cs-eyebrow,
.cs-feature-title {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* =========================================================
   NAVIGATION
   ========================================================= */

.navbar {
  padding: 1.5rem 0 1rem;
  background-color: var(--bg);
  z-index: 1030;
  box-shadow:
    0 1px 0 rgba(0,0,0,0.06),
    0 8px 24px rgba(0,0,0,0.06);
}

.navbar-brand {
  font-size: 1.4rem;
  letter-spacing: 0.02em;
}

.navbar-nav .nav-link {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--ink);
  padding-left: 0.85rem;
  padding-right: 0.85rem;
}

.navbar-nav .btn {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 1.5rem;
}

/* =========================================================
   HERO
   ========================================================= */

.hero-title {
  font-size: clamp(2.2rem, 3.4vw, 3.2rem);
  line-height: 1.2;
}

.hero-copy {
  color: var(--muted);
}

.hero-media {
  background-color: var(--bg);
  border: 1px solid var(--card);
  width: 100%;
}

.hero-media img {
  width: 100%;
  height: auto;
  display: block;
}

.epic-cinema {
  pointer-events:none;
               background:
                 radial-gradient(ellipse at center, rgba(250,248,244,0) 55%, #FAF8F4 80%),
                 linear-gradient(to left,  #FAF8F4 0%, rgba(250,248,244,0) 25%),
                 linear-gradient(to right, #FAF8F4 0%, rgba(250,248,244,0) 25%),
                 linear-gradient(to top,   #FAF8F4 0%, rgba(250,248,244,0) 28%);
}
/* =========================================================
   SECTION STRUCTURE
   ========================================================= */

.section {
  padding: 3rem 0;
}

.section-divider {
  border-top: 1px solid var(--line);
}

.section-title {
  font-size: 2rem;
  line-height: 1.3;
}

.section-copy {
  color: var(--muted);
}

/* =========================================================
   CARD SYSTEM
   ========================================================= */

.card {
  background-color: var(--card);
  border: 1px solid var(--line);
  height: 100%;
}

/* Work cards */
.work-card {
background-color: var(--card);
padding: 1.5rem;
border: 1px solid #ebe7e0;
height: 100%;
}

.work-card h3 {
  margin-bottom: 0.75rem;
}

.work-card p {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0;
}

/* Case cards */
.case-card { 
border: 1px solid var(--line);
padding: 1.75rem;
height: 100%;
}
.case-title {
  font-size: 1.3rem;
  line-height: 1.4;
}

.case-card p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* =========================================================
   CASE STUDIES
   ========================================================= */

.cs-wrap {
  padding-bottom: 3rem;
}

.cs-band {
  background: var(--surface-1);
  padding: 3rem 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.cs-section {
  padding: 3rem 0;
}

.cs-eyebrow {
  font-size:.65rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color: var(--ink);
  margin-bottom:.5rem;
}

.cs-h2 {
  font-size: 2.4rem;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.cs-h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.cs-h4 {
  font-size: 1.2rem;
}

.cs-copy {
  color: var(--ink-soft);
}

.cs-pill {
  width: 36px;
  height: 34px;
  border-radius: 6px;
  border: 2px solid #d6d6d6;
  background: #f6f6f6;
  font-size: 0.8rem;
}

.cs-pill.is-active {
  background: #222;
  color: #fff;
  border-color: #222;
}

.cs-card {
  background: var(--surface-2);
  padding: 2.5rem;
  border-radius: 4px;
}

.cs-card ul {
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.cs-feature {
  background: var(--surface-3);
  padding: 1.5rem;
  height: 100%;
}

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

.footer {
  background-color: var(--footer);
  color: #f0f0f0;
}

.footer .list-unstyled li {
  font-size: 0.72rem;
  color: #d9d9d9;
  margin-bottom: 0.35rem;
}

.footer > .container > ul.nav:not(.footer-nav) .nav-link {
  color: #e6e6e6;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer > .container > ul.nav:not(.footer-nav) .nav-link:hover,
.footer > .container > ul.nav:not(.footer-nav) .nav-link:focus {
  color: #ffffff;
  text-decoration: underline;
}


/* =========================================================
   MEGAMENU
   ========================================================= */
.megamenu {
  min-width: 24rem; /* 500px at default 16px font size */
  border: 1px solid #84848466;
  border-radius: 0;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  left: 0;
  right: 0;
  width: 100%;
  max-height: 70vh;
  overflow-y: auto;
  background: rgba(250, 248, 244, 0.9);
    /* Shading the edges */
    box-shadow:
      0 12px 32px rgba(0,0,0,0.14),
      inset 0 0 30px rgba(0,0,0,0.12);

  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

@media (max-width: 991px) {
  .megamenu {
    min-width: 100%;
    max-height: 60vh;
    position: static;
    border-left: 0;
    border-right: 0;
  }
}

.megamenu-item {
  font-size: 0.9rem;
  padding: .8rem;
  border-left: 3px solid #777777;
  background: #c2c2c22e;
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: background-color 0.2s;
  display: block;
}

.megamenu-item:last-child {
  margin-bottom: 0;
}

.megamenu-item:hover {
  background-color: #ffffff;
}

.megamenu-item i {
  color: #db0000;
  font-size: 1.1rem;
}

.megamenu-item p {
  font-size: 0.8rem;
  color: #666;
  font-weight: normal;
  text-transform: none;
}

/* =========================================================
   MOBILE NAVIGATION
   ========================================================= */

@media (max-width: 991.98px) {

  .navbar-toggler {
    display: inline-flex;
    align-items: center;
    padding: 0.9rem 1.25rem;
    font-size: 0.95rem;
    letter-spacing: 0.12em;
    color: #1e1e1e;
    border-radius: 0.625rem;
    box-shadow:
      inset 0 0 0 1px var(--ink),
      inset 0 0 0 2px var(--ink);
  }

  .navbar-toggler:focus {
    box-shadow: none;
  }

  .navbar-collapse {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
  }

  .navbar-nav .nav-link {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    padding: 0.75rem 0;
  }

  .navbar-nav .nav-item:last-child {
    margin-top: 0.85rem;
  }

  .navbar .btn-outline-dark {
    padding: 0.9rem 1.25rem;
    font-size: 0.85rem;
    border: none;
    box-shadow:
      inset 0 0 0 1px #1e1e1e,
      inset 0 0 0 2px #1e1e1e;
  }
}

/* =========================================================
   MOBILE SCALE ADJUSTMENTS
   ========================================================= */

@media (max-width: 768px) {
  :root {
    --nav-height: 5rem;
  }
}