/* ============================================================
   BACKUP PAGE — PROFESSIONAL UI REDESIGN
   Font: Sora (headings) + Plus Jakarta Sans (body)
   Palette: Deep Navy #0B1628 | Electric Teal #00C2A8 | Slate #1E3A5F | Light BG #F4F7FB
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* ── RESET & BASE ── */
main *, main *::before, main *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:        #0B1628;
  --navy-mid:    #1E3A5F;
  --teal:        #00C2A8;
  --teal-dark:   #009E88;
  --teal-light:  #E0FAF6;
  --sky:         #3B82F6;
  --red:         #EF4444;
  --amber:       #F59E0B;
  --white:       #FFFFFF;
  --offwhite:    #F4F7FB;
  --surface:     #EDF2F9;
  --border:      rgba(30,58,95,.12);
  --border-md:   rgba(30,58,95,.22);
  --text-main:   #0B1628;
  --text-sub:    #4A5568;
  --text-muted:  #7A8BA4;
  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   22px;
  --radius-xl:   32px;
  --shadow-card: 0 4px 24px rgba(11,22,40,.07);
  --shadow-hover:0 12px 40px rgba(11,22,40,.13);
  --transition:  .28s cubic-bezier(.4,0,.2,1);
  --font-head:   'Sora', sans-serif;
  --font-body:   'Plus Jakarta Sans', sans-serif;
}

main { font-family: var(--font-body); color: var(--text-main); overflow-x: hidden; }
main h1, main h2, main h3, main h4 { font-family: var(--font-head); line-height: 1.18; }

/* ── SHARED LAYOUT ── */
.bk-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── SECTION TAGS ── */
.bk-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  border-radius: 99px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: var(--teal-light);
  color: var(--teal-dark);
  border: 1px solid rgba(0,194,168,.25);
  margin-bottom: 18px;
}

/* ── TITLES ── */
.bk-title {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.18;
  margin-bottom: 16px;
}
.bk-title em { font-style: normal; color: var(--teal-dark); }

.bk-lead {
  font-size: 1.08rem;
  color: var(--text-sub);
  line-height: 1.75;
  max-width: 680px;
}

/* ── SCROLL REVEAL ── */
.bk-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.bk-reveal.visible { opacity: 1; transform: none; }
.bk-reveal.d1 { transition-delay: .1s; }
.bk-reveal.d2 { transition-delay: .2s; }
.bk-reveal.d3 { transition-delay: .3s; }
.bk-reveal.d4 { transition-delay: .4s; }
.bk-reveal.d5 { transition-delay: .5s; }

/* ════════════════════════════════════════
   HERO
════════════════════════════════════════ */
.bk-hero {
  background: linear-gradient(135deg, #0B1628 0%, #1E3A5F 55%, #0E4D5C 100%);
  padding: 120px 0 90px;
  position: relative;
  overflow: hidden;
}

.bk-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 700px 500px at 110% 20%, rgba(0,194,168,.18) 0%, transparent 70%),
    radial-gradient(ellipse 500px 400px at -10% 80%, rgba(59,130,246,.12) 0%, transparent 70%);
  pointer-events: none;
}

/* subtle grid overlay */
.bk-hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.bk-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.bk-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(0,194,168,.15);
  border: 1px solid rgba(0,194,168,.4);
  border-radius: 99px;
  color: #4FFFDE;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.bk-hero .d1 { color: #FFFFFF; font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 800; font-family: var(--font-head); line-height: 1.12; margin-bottom: 20px; }
.bk-hero .d1 em { font-style: normal; color: #4FFFDE; }

.bk-hero-sub {
  color: rgba(255,255,255,.72);
  font-size: 1.08rem;
  line-height: 1.72;
  margin-bottom: 28px;
  max-width: 540px;
}

.bk-hero-checks {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  margin-bottom: 36px;
}
.bk-hero-checks li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: rgba(255,255,255,.85);
  font-size: .93rem;
  font-weight: 500;
}
.bk-hero-checks li::before {
  content: '';
  flex-shrink: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--teal);
  display: flex; align-items: center; justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%230B1628' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 12px 12px;
  background-repeat: no-repeat;
  background-position: center;
}

.bk-hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.bk-btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  background: var(--teal);
  color: var(--navy);
  font-weight: 700; font-size: .97rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(0,194,168,.35);
}
.bk-btn-primary:hover { background: #00D9BC; transform: translateY(-2px); box-shadow: 0 10px 32px rgba(0,194,168,.45); }

.bk-btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(255,255,255,.3);
  color: #fff;
  font-weight: 600; font-size: .97rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  backdrop-filter: blur(6px);
}
.bk-btn-outline:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.5); transform: translateY(-2px); }

/* hero image card */
.bk-hero-img {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.45);
  border: 1px solid rgba(255,255,255,.1);
}
.bk-hero-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(11,22,40,.55) 100%);
  pointer-events: none;
}
.bk-hero-img img { display: block; width: 100%; height: 380px; object-fit: cover; }

/* ════════════════════════════════════════
   PROBLEM / WHY SECTION
════════════════════════════════════════ */
.bk-why {
  padding: 90px 0;
  background: #FFF7F7;
  position: relative;
}

.bk-why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 40px 0 32px;
}

.bk-why-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  border: 1.5px solid transparent;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.bk-why-box:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.bk-why-box h3 {
  font-family: var(--font-head);
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.bk-why-box ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.bk-why-box li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .95rem; color: var(--text-sub); line-height: 1.55;
}
.bk-why-box li::before {
  content: '→';
  flex-shrink: 0;
  font-weight: 700;
  font-size: .85rem;
  margin-top: 1px;
  color: var(--text-muted);
}

.bk-why-footer {
  background: #fff;
  border-left: 4px solid var(--red);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  font-size: 1rem;
  color: var(--text-sub);
  line-height: 1.65;
  box-shadow: var(--shadow-card);
}

/* ════════════════════════════════════════
   SOLUTION / WHO SECTION (cards)
════════════════════════════════════════ */
.bk-who {
  padding: 90px 0;
}

.bk-who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 44px;
}

.bk-who-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.bk-who-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--sky));
  opacity: 0;
  transition: var(--transition);
}
.bk-who-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(0,194,168,.3); }
.bk-who-card:hover::before { opacity: 1; }

.bk-who-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  background: var(--teal-light);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.bk-who-card h4 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.bk-who-card p { font-size: .93rem; color: var(--text-sub); line-height: 1.65; }

/* ════════════════════════════════════════
   CTA BAND
════════════════════════════════════════ */
.bk-band {
  background: linear-gradient(135deg, #0B1628 0%, #1A3B5E 100%);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}
.bk-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 600px 400px at 80% 50%, rgba(0,194,168,.14) 0%, transparent 70%);
  pointer-events: none;
}

.bk-band-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
  z-index: 2;
}
.bk-band-inner h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: #fff;
  font-weight: 800;
  margin-bottom: 10px;
}
.bk-band-inner > div:first-child > p {
  color: rgba(255,255,255,.65);
  font-size: .97rem;
  margin-bottom: 24px;
}

.bk-band-contacts { display: flex; gap: 20px; flex-wrap: wrap; }

.bk-band-contact {
  display: flex; align-items: center; gap: 14px;
  text-decoration: none;
  padding: 14px 20px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  transition: var(--transition);
  backdrop-filter: blur(6px);
}
.bk-band-contact:hover { background: rgba(255,255,255,.13); transform: translateY(-2px); }

.bk-band-cicon {
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.bk-band-cicon.em { background: rgba(59,130,246,.25); color: #93C5FD; }
.bk-band-cicon.wa { background: rgba(37,211,102,.2); color: #4ADE80; }

.bk-band-ctext span { display: block; font-size: .78rem; color: rgba(255,255,255,.5); margin-bottom: 2px; }
.bk-band-ctext strong { display: block; font-size: .93rem; color: #fff; font-weight: 600; }

.bk-band-btns { display: flex; flex-direction: column; gap: 12px; min-width: 220px; }

.bk-band-btn1, .bk-band-btn2 {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-md);
  font-weight: 700; font-size: .93rem;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}
.bk-band-btn1 { background: var(--teal); color: var(--navy); box-shadow: 0 4px 18px rgba(0,194,168,.35); }
.bk-band-btn1:hover { background: #00D9BC; transform: translateY(-2px); }
.bk-band-btn2 { background: rgba(255,255,255,.1); border: 1.5px solid rgba(255,255,255,.25); color: #fff; }
.bk-band-btn2:hover { background: rgba(255,255,255,.18); }

/* ════════════════════════════════════════
   KEY BENEFITS / FEATURES
════════════════════════════════════════ */
.bk-features {
  padding: 90px 0;
  background: var(--offwhite);
}

.bk-feat-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.bk-feat-item {
  display: flex;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.bk-feat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(0,194,168,.28); }

.bk-feat-dot {
  flex-shrink: 0;
  width: 10px; height: 10px;
  background: var(--teal);
  border-radius: 50%;
  margin-top: 7px;
  box-shadow: 0 0 0 4px rgba(0,194,168,.18);
}

.bk-feat-item h4 {
  font-family: var(--font-head);
  font-size: .98rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 7px;
}
.bk-feat-item p { font-size: .9rem; color: var(--text-sub); line-height: 1.6; margin-bottom: 12px; }

.bk-feat-benefit {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--teal-light);
  border-radius: 99px;
  font-size: .8rem;
  color: var(--teal-dark);
  font-weight: 500;
}
.bk-feat-benefit-label { font-weight: 700; }

/* ════════════════════════════════════════
   SERVICES
════════════════════════════════════════ */
.bk-services {
  padding: 90px 0;
  background: var(--white);
}

.bk-svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.bk-svc-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.bk-svc-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--sky));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.bk-svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(0,194,168,.25); }
.bk-svc-card:hover::after { transform: scaleX(1); }

.bk-svc-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--teal-light), #D8F8F4);
  border-radius: var(--radius-md);
  font-size: 1.7rem;
  margin-bottom: 20px;
  border: 1px solid rgba(0,194,168,.2);
}
.bk-svc-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.bk-svc-card > p { font-size: .9rem; color: var(--text-sub); line-height: 1.6; margin-bottom: 16px; }

.bk-svc-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 8px;
  margin-top: auto;
}
.bk-svc-bullets {
  list-style: none;
  display: flex; flex-direction: column; gap: 7px;
}
.bk-svc-bullets li {
  display: flex; align-items: flex-start; gap: 9px;
  font-size: .85rem;
  color: var(--text-sub);
  line-height: 1.5;
}
.bk-svc-bullets li::before {
  content: '✓';
  flex-shrink: 0;
  font-size: .78rem;
  font-weight: 800;
  color: var(--teal-dark);
  margin-top: 1px;
}

/* ════════════════════════════════════════
   TECHNOLOGY PLATFORMS
════════════════════════════════════════ */
.bk-tech {
  padding: 90px 0;
  background: var(--surface);
}

.bk-tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.bk-tech-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.bk-tech-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(0,194,168,.28); }

.bk-tech-logo {
  height: 52px;
  max-width: 160px;
  object-fit: contain;
  display: block;
  margin: 0 auto 20px;
  filter: grayscale(.3);
  transition: filter var(--transition);
}
.bk-tech-card:hover .bk-tech-logo { filter: grayscale(0); }

.bk-tech-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.bk-tech-card p { font-size: .9rem; color: var(--text-sub); line-height: 1.65; }

/* ════════════════════════════════════════
   TRUST / WHY CHOOSE
════════════════════════════════════════ */
.bk-why-choose {
  padding: 90px 0;
  background: linear-gradient(135deg, #0B1628 0%, #1A3B5E 100%);
  position: relative;
  overflow: hidden;
}
.bk-why-choose::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 800px 600px at 90% 50%, rgba(0,194,168,.1) 0%, transparent 65%);
  pointer-events: none;
}

.bk-why-choose .bk-tag {
  background: rgba(0,194,168,.15);
  color: #4FFFDE;
  border-color: rgba(0,194,168,.3);
}
.bk-why-choose .bk-title { color: #fff; }
.bk-why-choose .bk-lead { color: rgba(255,255,255,.65); }

.bk-matrix {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
  position: relative; z-index: 2;
}

.bk-matrix-row {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 24px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.bk-matrix-row:hover { background: rgba(255,255,255,.09); transform: translateX(4px); }

.bk-matrix-tick {
  width: 32px; height: 32px;
  background: var(--teal);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--navy);
  font-size: .8rem;
  font-weight: 800;
  flex-shrink: 0;
}

.bk-matrix-text { font-size: .97rem; color: rgba(255,255,255,.85); font-weight: 500; }

.bk-why-choose-footer {
  margin-top: 32px;
  padding: 20px 26px;
  background: rgba(0,194,168,.12);
  border: 1px solid rgba(0,194,168,.28);
  border-radius: var(--radius-md);
  color: rgba(255,255,255,.75);
  font-size: .97rem;
  line-height: 1.65;
  position: relative; z-index: 2;
}

/* ════════════════════════════════════════
   INDUSTRIES
════════════════════════════════════════ */
.bk-industries {
  padding: 90px 0;
  background: var(--offwhite);
}
.bk-industries .bk-inner { text-align: center; }
.bk-industries .bk-title { margin: 0 auto; }
.bk-industries .bk-lead { margin: 16px auto 0; }

.bk-ind-nodes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 900px;
  margin: 44px auto 0;
}

.bk-ind-node {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  background: var(--white);
  border: 1.5px solid var(--border-md);
  border-radius: 99px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--navy);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  cursor: default;
}
.bk-ind-node:hover {
  border-color: var(--teal);
  background: var(--teal-light);
  color: var(--teal-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* ════════════════════════════════════════
   WHATSAPP CTA SECTION
════════════════════════════════════════ */
.bk-wa-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, #064E3B 0%, #065F46 100%);
  position: relative;
  overflow: hidden;
}
.bk-wa-cta::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 600px 400px at 80% 50%, rgba(37,211,102,.15) 0%, transparent 70%);
  pointer-events: none;
}

.bk-wa-cta-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  position: relative; z-index: 2;
}
.bk-wa-cta-inner h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  color: #fff;
  font-weight: 800;
  margin-bottom: 16px;
}
.bk-wa-cta-inner > p { color: rgba(255,255,255,.72); font-size: 1rem; line-height: 1.7; margin-bottom: 36px; }

.bk-wa-cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

.bk-wa-btn1, .bk-wa-btn2 {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-weight: 700; font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  min-width: 200px;
}
.bk-wa-btn1 { background: #25D366; color: #fff; box-shadow: 0 6px 24px rgba(37,211,102,.35); }
.bk-wa-btn1:hover { background: #1ebe5d; transform: translateY(-2px); }
.bk-wa-btn2 { background: rgba(255,255,255,.1); border: 1.5px solid rgba(255,255,255,.28); color: #fff; }
.bk-wa-btn2:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }

.bk-wa-btn-sub { font-size: .8rem; font-weight: 500; opacity: .8; }

.bk-cta-note {
  margin-top: 24px;
  color: rgba(255,255,255,.5);
  font-size: .83rem;
}

/* ════════════════════════════════════════
   FAQ
════════════════════════════════════════ */
.bk-faq {
  padding: 90px 0;
  background: var(--offwhite);
}
.bk-faq .bk-inner { text-align: center; }
.bk-faq .bk-title { margin: 0 auto; }

.bk-faq-list {
  max-width: 780px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bk-faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.bk-faq-item:hover { border-color: rgba(0,194,168,.3); }
.bk-faq-item.open { border-color: rgba(0,194,168,.4); box-shadow: 0 4px 20px rgba(0,194,168,.1); }

.bk-faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  transition: background var(--transition);
}
.bk-faq-q:hover { background: var(--offwhite); }
.bk-faq-q span {
  font-size: .97rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.45;
}

.bk-faq-icon {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--teal-light);
  border: 1.5px solid rgba(0,194,168,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--teal-dark);
  font-weight: 700;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}
.bk-faq-item.open .bk-faq-icon {
  transform: rotate(45deg);
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}

.bk-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.4,0,.2,1), padding .3s ease;
  font-size: .93rem;
  color: var(--text-sub);
  line-height: 1.72;
  padding: 0 24px;
}
.bk-faq-item.open .bk-faq-a {
  max-height: 300px;
  padding: 0 24px 22px;
}

/* ════════════════════════════════════════
   FINAL CTA
════════════════════════════════════════ */
.bk-final {
  padding: 100px 0;
  background: linear-gradient(135deg, #0B1628 0%, #0E2A4A 55%, #0E4D5C 100%);
  position: relative;
  overflow: hidden;
}
.bk-final::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 700px 500px at 30% 50%, rgba(0,194,168,.12) 0%, transparent 65%),
    radial-gradient(ellipse 500px 400px at 85% 80%, rgba(59,130,246,.1) 0%, transparent 65%);
  pointer-events: none;
}
.bk-final::after {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.bk-final-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  position: relative; z-index: 2;
}
.bk-final-inner .bk-tag {
  background: rgba(0,194,168,.15);
  color: #4FFFDE;
  border-color: rgba(0,194,168,.3);
}
.bk-final-inner h2 {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  color: #fff;
  font-weight: 800;
  margin-bottom: 16px;
}
.bk-final-inner p {
  color: rgba(255,255,255,.65);
  font-size: 1rem;
  line-height: 1.72;
  margin-bottom: 40px;
}

.bk-final-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.bk-final-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 15px 30px;
  border-radius: var(--radius-md);
  font-weight: 700; font-size: .97rem;
  text-decoration: none;
  transition: var(--transition);
  min-width: 210px;
}
.bk-final-btn.call { background: var(--teal); color: var(--navy); box-shadow: 0 6px 24px rgba(0,194,168,.35); }
.bk-final-btn.call:hover { background: #00D9BC; transform: translateY(-2px); box-shadow: 0 10px 32px rgba(0,194,168,.45); }
.bk-final-btn.mail { background: rgba(255,255,255,.1); border: 1.5px solid rgba(255,255,255,.25); color: #fff; }
.bk-final-btn.mail:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }

.bk-final-btn-sub { font-size: .8rem; font-weight: 400; opacity: .75; }

.bk-reach-btns {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.bk-reach-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}
.bk-reach-btn.email { background: rgba(59,130,246,.15); border: 1px solid rgba(59,130,246,.3); color: #93C5FD; }
.bk-reach-btn.email:hover { background: rgba(59,130,246,.25); }
.bk-reach-btn.wa { background: rgba(37,211,102,.12); border: 1px solid rgba(37,211,102,.3); color: #4ADE80; }
.bk-reach-btn.wa:hover { background: rgba(37,211,102,.22); }
.bk-reach-btn.contact { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.8); }
.bk-reach-btn.contact:hover { background: rgba(255,255,255,.14); }

/* ════════════════════════════════════════
   SCROLL-TO-TOP
════════════════════════════════════════ */
.scroll-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 46px; height: 46px;
  background: var(--navy);
  color: var(--teal);
  border: 1.5px solid rgba(0,194,168,.4);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0; pointer-events: none;
  transition: var(--transition);
  box-shadow: 0 4px 18px rgba(0,0,0,.3);
  z-index: 999;
  text-decoration: none;
}
.scroll-top.show { opacity: 1; pointer-events: auto; }
.scroll-top:hover { background: var(--teal); color: var(--navy); transform: translateY(-3px); }

/* ════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════ */
@media (max-width: 1024px) {
  .bk-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .bk-hero { padding: 100px 0 70px; text-align: center; }
  .bk-hero-checks { justify-content: center; }
  .bk-hero-btns { justify-content: center; }
  .bk-hero-sub { margin: 0 auto 28px; }
  .bk-hero-img { max-width: 520px; margin: 0 auto; }

  .bk-who-grid { grid-template-columns: repeat(2, 1fr); }
  .bk-svc-grid { grid-template-columns: repeat(2, 1fr); }
  .bk-tech-grid { grid-template-columns: repeat(2, 1fr); }
  .bk-feat-list { grid-template-columns: 1fr; }

  .bk-band-inner { flex-direction: column; align-items: stretch; }
  .bk-band-btns { flex-direction: row; }
}

@media (max-width: 768px) {
  .bk-why-grid { grid-template-columns: 1fr; }
  .bk-who-grid { grid-template-columns: 1fr; }
  .bk-svc-grid { grid-template-columns: 1fr; }
  .bk-tech-grid { grid-template-columns: 1fr; }
  .bk-hero-checks { grid-template-columns: 1fr; }
  .bk-band-contacts { flex-direction: column; }
  .bk-band-btns { flex-direction: column; }
  .bk-wa-cta-btns { flex-direction: column; align-items: center; }
  .bk-final-btns { flex-direction: column; align-items: center; }
}