/* ============ NAV ============ */
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  background:#fff;
  border-bottom:1px solid #e5e7eb;
  transition:border-color .3s ease,background .3s ease;
}
.nav.scrolled{border-color:#e5e7eb;background:#fff}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 40px}
.nav-links{display:flex;gap:30px;align-items:center;white-space:nowrap}
.nav-links a{font-size:15px;font-weight:500;color:#333333;transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:#1a1a4e}
.nav-cta{display:flex;align-items:center;gap:12px;pointer-events:all}
.lang-toggle{display:flex;align-items:center;gap:6px;font-size:14px;color:#333333;position:relative;z-index:10;pointer-events:all;margin-left:16px}
.lang-toggle span{color:#ccc;margin:0 6px;font-weight:400}
.lang-btn{font-weight:400;color:#333333;transition:color .2s;padding:4px 2px;cursor:pointer;pointer-events:all;background:none;border:none}
.lang-btn.active{color:#1A8FE3;font-weight:600}
.lang-btn:hover{color:#1a1a4e}
.menu-btn{display:none;width:40px;height:40px;border-radius:10px;border:1px solid #e5e7eb;align-items:center;justify-content:center;margin-left:4px}
.menu-btn span{width:18px;height:2px;background:#1a1a4e;display:block;position:relative}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#1a1a4e;transition:.3s}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
@media (max-width:860px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .menu-btn{display:flex}
}

/* ============ MOBILE HEADER (≤768px) ============ */
@media (max-width: 768px) {
  .nav {
    height: 56px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  }

  .nav-inner {
    height: 56px;
    padding: 0 16px;
  }

  .logo {
    display: flex;
    align-items: center;
  }

  .logo-img {
    height: 32px;
    width: auto;
  }

  .nav-cta {
    gap: 8px;
  }

  .lang-toggle {
    font-size: 12px;
    gap: 0;
    color: #333;
    padding: 0;
  }

  .lang-toggle span {
    margin: 0 4px;
    color: #ccc;
  }

  .lang-btn {
    padding: 0;
    font-size: 12px;
    font-weight: 600;
  }

  .nav-cta .btn-primary {
    font-size: 13px;
    padding: 8px 14px;
    border-radius: 20px;
  }

  .nav-cta .btn-primary svg {
    width: 16px;
    height: 16px;
  }

  .menu-btn {
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    border: none;
    background: transparent;
    margin-right: 0;
  }

  .menu-btn span {
    width: 20px;
    height: 2px;
  }

  .menu-btn span::before {
    width: 20px;
    top: -7px;
  }

  .menu-btn span::after {
    width: 20px;
    top: 7px;
  }
}

/* ============ MOBILE MENU ============ */
.mobile-menu {
  position: fixed;
  inset: 56px 0 0 0;
  background: var(--bg);
  z-index: 40;
  transform: translateY(-120%);
  transition: transform .4s cubic-bezier(.2,.8,.2,1);
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
  box-sizing: border-box;
  width: 100%;
  overflow: hidden;
}
.mobile-menu.open { transform: translateY(0) }
.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-size: 1.2rem;
  font-family: var(--display);
  border-bottom: 1px solid var(--border);
  padding-left: 20px;
  box-sizing: border-box;
}
.mobile-menu .btn-primary {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin: 16px 0 0;
  padding: 14px 20px;
  border-radius: 30px;
  text-align: center;
}

/* ============ HERO ============ */
.hero{
  padding:clamp(60px,8vw,120px) 0 clamp(60px,8vw,100px);
  position:relative;overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,80px);align-items:center;
}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}

/* HERO VISUAL */
.hero-visual{
  position:relative;aspect-ratio:1/1;max-width:520px;margin:0 auto;width:100%;
}
.stage{
  position:absolute;inset:0;border-radius:24px;
  background:#fff;border:1px solid var(--border);
  box-shadow:var(--shadow-md);
  padding:28px;display:flex;flex-direction:column;
  opacity:0;transform:translateY(30px) rotate(-2deg);
  animation:stageCycle 9s infinite;
}
.stage-1{animation-delay:0s;transform:translateY(0) rotate(-3deg)}
.stage-2{animation-delay:3s}
.stage-3{animation-delay:6s}

.stage-label{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.stage-label .pill{padding:3px 9px;border-radius:999px;background:#F1F5F9;color:var(--text);letter-spacing:.08em}

/* Stage 1 - notes */
.notes{position:relative;flex:1}
.note{
  position:absolute;background:#FEF3C7;padding:14px 16px;border-radius:8px;
  font-family:var(--display);font-size:.85rem;color:#78350F;
  box-shadow:0 4px 12px rgba(0,0,0,.08);
  transform-origin:center;
}
.note:nth-child(1){top:5%;left:5%;transform:rotate(-6deg);background:#FEF3C7}
.note:nth-child(2){top:15%;right:5%;transform:rotate(4deg);background:#FEE2E2;color:#991B1B}
.note:nth-child(3){top:45%;left:15%;transform:rotate(-2deg);background:#DBEAFE;color:#1E3A8A}
.note:nth-child(4){bottom:8%;right:10%;transform:rotate(5deg);background:#E0E7FF;color:#3730A3}
.note:nth-child(5){bottom:20%;left:8%;transform:rotate(-7deg);background:#FEF3C7}

/* Stage 2 - grid */
.grid-viz{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;flex:1}
.grid-cell{
  background:#F8FAFC;border:1px solid var(--border);border-radius:10px;padding:10px;
  display:flex;flex-direction:column;gap:6px;
}
.grid-cell .bar{height:6px;background:var(--border);border-radius:3px}
.grid-cell .bar.fill{background:var(--accent)}
.grid-cell .bar.half{width:60%}
.grid-cell .bar.small{width:40%}

/* Stage 3 - flow */
.flow{flex:1;position:relative;display:flex;flex-direction:column;justify-content:space-around;gap:12px}
.flow-node{
  display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:12px;
  background:linear-gradient(135deg,rgba(0,191,255,.1),rgba(26,143,227,.1));border:1px solid rgba(0,191,255,.2);
}
.flow-node .dot-lg{width:34px;height:34px;border-radius:50%;background:var(--accent-primary);display:grid;place-items:center;color:#fff;font-weight:600;font-size:.8rem}
.flow-node .txt{font-size:.9rem;font-weight:600;color:#fff}
.flow-node .status{margin-left:auto;font-size:.7rem;color:var(--accent);font-weight:600}
.flow-arrow{position:absolute;left:33px;width:2px;background:var(--accent);opacity:.4}
.flow-arrow.a1{top:52px;height:26px}
.flow-arrow.a2{top:120px;height:26px}

/* Stage dots */
.stage-dots{position:absolute;bottom:-28px;left:0;right:0;display:flex;justify-content:center;gap:10px}
.stage-dots span{width:24px;height:3px;background:var(--border);border-radius:2px;transition:background .3s}
.stage-dots span.active{background:var(--accent)}

/* ============ LOGOS / MARQUEE ============ */
.logos{padding:56px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff}
.logos h3{text-align:center;font-size:.85rem;color:var(--muted);margin-bottom:28px;letter-spacing:.02em;font-weight:500}
.logos h3 em{font-family:var(--display);font-style:italic;color:var(--text);font-size:1.05rem;font-weight:500}
.marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;gap:64px;animation:scroll 28s linear infinite;width:max-content}
.marquee-track span{font-family:var(--display);font-weight:500;font-size:1.6rem;color:#94A3B8;white-space:nowrap;letter-spacing:-.01em;display:inline-flex;align-items:center;gap:12px}
.marquee-track span::before{content:"◆";color:var(--border);font-size:.7rem}

/* ============ CTA STRIP ============ */
.cta-strip{padding:56px 0;background:#fff;border-bottom:1px solid var(--border)}
.cta-strip-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-strip .txt{display:flex;align-items:center;gap:18px}
.cta-strip .icon-wa{width:48px;height:48px;border-radius:12px;background:rgba(37,211,102,.12);color:var(--whatsapp);display:grid;place-items:center;flex-shrink:0}
.cta-strip h3{font-family:var(--display);font-size:1.5rem;font-weight:500;margin-bottom:4px}
.cta-strip p{color:var(--muted);font-size:.95rem;margin:0}

/* ============ MID CTA ============ */
.mid-cta{
  background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:80px 0;text-align:center;
}
.mid-cta h2{margin-bottom:18px}
.mid-cta h2 em{font-style:italic;color:var(--accent);font-weight:400}
.mid-cta p{color:var(--muted);max-width:56ch;margin:0 auto 28px}

/* ============ FINAL CTA ============ */
.final{
  background:
    radial-gradient(700px 400px at 15% 10%,rgba(0,191,255,.2),transparent 60%),
    linear-gradient(135deg,#0D2A6B 0%,#1A8FE3 100%);
  color:#fff;text-align:center;border-radius:24px;margin:0 24px;
  padding:clamp(60px,8vw,100px) 24px;position:relative;overflow:hidden;
}
.final::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:24px 24px;opacity:.3;
}
.final>*{position:relative}
.final h2{color:#fff;margin-bottom:20px}
.final h2 em{font-style:italic;color:#00BFFF;font-weight:400}
.final p{color:rgba(255,255,255,.85);max-width:52ch;margin:0 auto 36px;font-size:1.05rem}
.final-ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ SERVICES (DARK) ============ */
.services{
  background:var(--dark);color:#E5E7EB;position:relative;overflow:hidden;
}
.services::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 400px at 85% 10%,rgba(0,191,255,.2),transparent 60%),
    radial-gradient(400px 300px at 10% 90%,rgba(26,143,227,.15),transparent 60%);
  pointer-events:none;
}
.services .container{position:relative}
.services .eyebrow{color:var(--accent)}
.services .eyebrow::before{background:var(--accent)}
.services h2{color:#fff}
.services .section-head p{color:rgba(255,255,255,.7)}

/* ============ FOOTER ============ */
footer{padding:56px 0 40px;border-top:1px solid var(--border);margin-top:80px}
.foot{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.foot-links{display:flex;gap:28px;flex-wrap:wrap}
.foot-links a{font-size:.9rem;color:var(--muted);transition:color .2s}
.foot-links a:hover{color:var(--accent)}
.foot-copy{font-size:.85rem;color:var(--muted)}
.foot-contact{display:flex;gap:20px;flex-wrap:wrap;font-size:.85rem;color:var(--muted)}
.foot-contact span{display:flex;align-items:center;gap:6px}

/* ============ FLOATING WHATSAPP ============ */
.wa-float{
  position:fixed;bottom:24px;right:24px;z-index:40;
  width:60px;height:60px;border-radius:50%;
  background:var(--whatsapp);color:#fff;
  display:grid;place-items:center;
  box-shadow:0 10px 30px rgba(37,211,102,.4);
  transition:transform .3s;
}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px}

/* ============ MOBILE FIXES ============ */
@media (max-width: 900px) {
  .hero-visual {
    display: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .lang-toggle {
    font-size: .8rem;
    gap: 4px;
  }
  .nav-cta {
    gap: 8px;
  }
}

@media (max-width: 700px) {
  .cta-strip-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .cta-strip .btn {
    width: 100%;
    justify-content: center;
  }
  .cta-strip h3 {
    font-size: 1.2rem;
  }
}

@media (max-width: 640px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
  .scard {
    padding: 22px;
  }
}

@media (max-width: 600px) {
  .hero-ctas {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .hero-ctas .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-meta {
    flex-direction: column;
    gap: 10px;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .tcard {
    padding: 22px;
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .why-card {
    padding: 18px;
  }
  .why-card .num {
    font-size: 1.6rem;
  }
  .final {
    margin: 0 12px;
    padding: 48px 20px;
  }
  .final-ctas {
    flex-direction: column;
    align-items: center;
  }
  .final-ctas .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 500px) {
  .how-timeline {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  h1.display {
    font-size: 2.2rem;
  }
  h2.display {
    font-size: 1.7rem;
  }
}