/* BCI Homepage — global styles */

@import url('ds/colors_and_type.css');

@keyframes langDropIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

html, body { background: var(--bci-concrete); }
body {
  font-family: var(--ff-sans);
  color: var(--bci-ink);
}
body[dir="rtl"] { font-family: var(--ff-arabic); }

* { box-sizing: border-box; }

/* Container */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Mono */
.mono { font-family: var(--ff-mono); }

/* Spec / eyebrow */
.eyebrow {
  font-family: var(--ff-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Display heading */
.display {
  font-family: var(--ff-display);
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1;
}
body[dir="rtl"] .display { font-family: var(--ff-arabic); letter-spacing: 0; line-height: 1.15; }

/* Section number motif */
.sec-num {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--ff-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 100ms linear, border-color 100ms linear, color 100ms linear;
  white-space: nowrap;
}
body[dir="rtl"] .btn {
  font-family: 'IBM Plex Mono', var(--ff-arabic);
  letter-spacing: 0.06em;
}
.btn-accent { background: var(--bci-green-500); color: #fff; border-color: var(--bci-green-500); }
.btn-accent:hover { background: var(--bci-green-deep); border-color: var(--bci-green-deep); }
.btn-navy { background: var(--bci-navy); color: #fff; border-color: var(--bci-navy); }
.btn-navy:hover { background: var(--bci-navy-deep); border-color: var(--bci-navy-deep); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-ghost-light:hover { background: rgba(255,255,255,.08); border-color: #fff; }
.btn-ghost-navy { background: transparent; color: var(--bci-navy); border-color: var(--bci-navy); }
.btn-ghost-navy:hover { background: var(--bci-navy); color: #fff; }

/* Link arrow */
.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bci-navy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 100ms linear, border-color 100ms linear;
}
.link-arrow:hover { color: var(--bci-green-deep); border-bottom-color: var(--bci-green-500); }
.link-arrow.on-dark { color: #fff; }
.link-arrow.on-dark:hover { color: var(--bci-green-400); border-bottom-color: var(--bci-green-400); }

/* RTL arrow flip */
body[dir="rtl"] .flip-rtl { transform: scaleX(-1); }

/* Hairline divider */
.hairline { border: 0; border-top: 1px solid var(--bci-hairline-light); margin: 0; }
.hairline-dark { border: 0; border-top: 1px solid rgba(255,255,255,.08); margin: 0; }

/* Section spacing */
section { padding: 120px 0; }
section.tight { padding: 96px 0; }

/* Form */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bci-steel);
  font-weight: 500;
}
.field input, .field textarea, .field select {
  font-family: var(--ff-sans);
  font-size: 15px;
  color: var(--bci-ink);
  background: #fff;
  border: 1px solid var(--bci-hairline-light);
  border-radius: 2px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 100ms linear;
}
body[dir="rtl"] .field input, body[dir="rtl"] .field textarea { font-family: var(--ff-arabic); }
.field input:focus, .field textarea:focus { border-color: var(--bci-navy); }
.field textarea { resize: vertical; min-height: 132px; }

/* Animation utility */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.fade-in { animation: fadeIn 480ms var(--ease-mech, cubic-bezier(.2,.8,.2,1)) both; }

/* Hero entrance choreography (transition-based, JS-triggered for robustness) */
.hero-rise { opacity: 0; transform: translateY(22px); transition: opacity 760ms cubic-bezier(.16,.84,.34,1), transform 760ms cubic-bezier(.16,.84,.34,1); }
.hero-rise.in { opacity: 1; transform: none; }
.hero-rise.instant { transition: none; }

/* Slow Ken Burns zoom on the hero video */
@keyframes heroZoom { from { transform: scale(1.0); } to { transform: scale(1.09); } }
.hero-zoom { animation: heroZoom 24s ease-out both; }

@media (prefers-reduced-motion: reduce) {
  .hero-rise { opacity: 1; transform: none; transition: none; }
  .hero-zoom { animation: none; }
}

/* Diagonal hatch */
.hatch {
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.06) 0px,
    rgba(255,255,255,0.06) 1px,
    transparent 1px,
    transparent 14px
  );
}
.hatch-navy {
  background-image: repeating-linear-gradient(
    45deg,
    rgba(11,55,82,0.06) 0px,
    rgba(11,55,82,0.06) 1px,
    transparent 1px,
    transparent 12px
  );
}
.hatch-green {
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(11,55,82,0.10) 0px,
    rgba(11,55,82,0.10) 1px,
    transparent 1px,
    transparent 12px
  );
}

/* Decorative interlocking squares motif */
.motif-sq {
  pointer-events: none;
  position: absolute;
  opacity: 0.06;
}

/* ---- Trusted-by logo marquee ---- */
@keyframes bciMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-wrap {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 9%, #000 91%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, #000 9%, #000 91%, transparent 100%);
}
.marquee-track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: bciMarquee 46s linear infinite;
}
body[dir="rtl"] .marquee-track { animation-direction: reverse; }
.marquee-wrap:hover .marquee-track { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

.logo-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  height: 96px;
  min-width: 200px;
  padding: 22px 32px;
  background: #fff;
  border: 1px solid var(--bci-hairline-light);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(20, 24, 28, 0.05);
  user-select: none;
  transition: box-shadow 200ms var(--ease-linear), border-color 200ms var(--ease-linear), transform 200ms var(--ease-linear);
}
.logo-chip--dark { border-color: transparent; }
.logo-chip:hover {
  box-shadow: 0 8px 22px rgba(20, 24, 28, 0.10);
  border-color: var(--bci-steel-300);
  transform: translateY(-2px);
}
.logo-chip .logo-img {
  max-height: 52px;
  max-width: 168px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  -webkit-user-drag: none;
}

/* ============================================================
   RESPONSIVE LAYER — phones · tablets · laptops · desktops
   Inline grid styles are retargeted via [style*=…] + !important
   (browser serializes them verbatim, e.g. "repeat(4, 1fr)").
   ============================================================ */

html, body { max-width: 100%; overflow-x: hidden; }
img, svg, video { max-width: 100%; }

/* Fluid container once below the fixed max */
@media (max-width: 1320px) {
  .container { max-width: 100%; }
}

/* ───────── Tablet & below (≤1023px) ───────── */
@media (max-width: 1023px) {
  .container { padding-left: 28px; padding-right: 28px; }
  section { padding: 84px 0; }
  section.tight { padding: 68px 0; }

  /* equal-card grids collapse one tier */
  [style*="grid-template-columns: repeat(4, 1fr)"] { grid-template-columns: repeat(2, 1fr) !important; }
  [style*="grid-template-columns: repeat(3, 1fr)"] { grid-template-columns: repeat(2, 1fr) !important; }
  [style*="grid-template-columns: repeat(5, 1fr)"] { grid-template-columns: repeat(3, 1fr) !important; }

  /* hard-coded inline section paddings (these bypass the `section` class) */
  [style*="padding: 140px 0"] { padding-top: 84px !important; padding-bottom: 84px !important; }
  [style*="padding: 120px 0"] { padding-top: 80px !important; padding-bottom: 80px !important; }
  [style*="padding: 110px 0"] { padding-top: 76px !important; padding-bottom: 76px !important; }
  [style*="padding: 96px 0"]  { padding-top: 68px !important; padding-bottom: 68px !important; }
  [style*="padding: 88px 0"]  { padding-top: 64px !important; }

  /* when divider-style metric grids reflow, drop the vertical rules + indents */
  [style*="grid-template-columns: repeat(4, 1fr)"] > [style*="border-right"],
  [style*="grid-template-columns: repeat(3, 1fr)"] > [style*="border-right"] {
    border-right: 0 !important;
    border-left: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  /* sidebar / asymmetric two-column layouts stack */
  [style*="grid-template-columns: 300px 1fr"],
  [style*="grid-template-columns: 380px 1fr"],
  [style*="grid-template-columns: 1.15fr 1fr"],
  [style*="grid-template-columns: 1fr 1.05fr"] {
    grid-template-columns: 1fr !important;
    gap: 44px !important;
  }

  /* footer: brand + 4 link columns → 2 up */
  [style*="grid-template-columns: 1.6fr repeat(4, 1fr)"] {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 36px 32px !important;
  }

  /* sticky side-rails release so they don't overlap */
  [style*="position: sticky"] { position: static !important; }
}

/* ───────── Phones (≤640px) ───────── */
@media (max-width: 640px) {
  .container { padding-left: 18px; padding-right: 18px; }
  section { padding: 60px 0; }
  section.tight { padding: 52px 0; }

  /* big content + metric grids all go single-column */
  [style*="grid-template-columns: repeat(4, 1fr)"] { grid-template-columns: 1fr !important; }
  [style*="grid-template-columns: repeat(3, 1fr)"] { grid-template-columns: 1fr !important; }
  [style*="grid-template-columns: repeat(5, 1fr)"] { grid-template-columns: repeat(2, 1fr) !important; }
  [style*="grid-template-columns: repeat(2, 1fr)"] { grid-template-columns: 1fr !important; }
  [style*="grid-template-columns: 1fr 1fr"] { grid-template-columns: 1fr !important; }

  /* footer fully stacks */
  [style*="grid-template-columns: 1.6fr repeat(4, 1fr)"] { grid-template-columns: 1fr !important; }

  /* hero stat panel: 2-up on phones (class avoids the generic grid overrides) */
  .hero-stats-m { grid-template-columns: 1fr 1fr !important; }

  /* stacked divider cells: kill side rules/indents, add a hairline between */
  [style*="grid-template-columns: repeat(4, 1fr)"] > [style*="border-right"],
  [style*="grid-template-columns: repeat(3, 1fr)"] > [style*="border-right"],
  [style*="grid-template-columns: repeat(5, 1fr)"] > [style*="border-right"] {
    border-right: 0 !important;
    border-left: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    border-bottom: 1px solid rgba(127,127,127,0.2) !important;
  }

  /* tighter inline section paddings on phones */
  [style*="padding: 140px 0"] { padding-top: 60px !important; padding-bottom: 60px !important; }
  [style*="padding: 120px 0"] { padding-top: 56px !important; padding-bottom: 56px !important; }
  [style*="padding: 110px 0"] { padding-top: 54px !important; padding-bottom: 54px !important; }
  [style*="padding: 96px 0"]  { padding-top: 50px !important; padding-bottom: 50px !important; }
  [style*="padding: 88px 0"]  { padding-top: 52px !important; }
  [style*="padding: 52px 0"]  { padding-top: 40px !important; padding-bottom: 40px !important; }
  [style*="padding: 40px 0"]  { padding-top: 32px !important; padding-bottom: 32px !important; }

  /* form fields + inner card padding ease up */
  [style*="padding: 36px"] { padding: 24px !important; }
}