:root {
  --navy: #0A2540;
  --white: #FFFFFF;
  --gray-bg: #F5F7FA;
  --accent: #3B82F6;
  --accent-hover: #2563EB;
  --text-muted: #64748B;
  --shadow: 0 4px 24px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 24px 48px rgba(10, 37, 64, 0.12);
  --radius: 16px;
  --radius-sm: 12px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --whatsapp: #25D366;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  overflow-x: clip;
}
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--navy);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-x: clip;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1120px, 100% - 2rem);
  margin-inline: auto;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.header:not(.scrolled) {
  background: var(--white);
  box-shadow: 0 4px 24px rgba(10, 37, 64, 0.08);
}
.header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  z-index: 2;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 72px;
  padding: 0.5rem 0.5rem 0.5rem 1rem;
  margin-top: 3px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), padding var(--transition), border-radius 0.5s cubic-bezier(0.4, 0, 0.2, 1), width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.header:not(.scrolled) .header-inner {
  width: calc(100% - 4rem);
  padding: 0.5rem 0.5rem 0.5rem 0.75rem;
  border-radius: 0;
}
.header.scrolled {
  background: transparent;
  box-shadow: none;
}
.header.scrolled .header-inner {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: rgba(10, 37, 64, 0.08);
  box-shadow: 0 12px 40px -12px rgba(10, 37, 64, 0.18);
  padding: 0.4rem 0.5rem 0.4rem 0.6rem;
  margin-top: 0.75rem;
}
.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}
.logo-link:hover { opacity: 0.9; }
.logo-mark {
  height: 44px;
  width: auto;
  max-width: 60px;
  object-fit: contain;
  object-position: left center;
  display: block;
  flex-shrink: 0;
}
.logo-text {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--navy);
  line-height: 1.2;
  white-space: nowrap;
}
.logo-text span { color: var(--accent); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.9rem;
}
.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
  opacity: 0.78;
  position: relative;
  padding: 0.25rem 0;
  white-space: nowrap;
  transition: color var(--transition), opacity var(--transition);
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.main-nav a:hover { opacity: 1; color: var(--accent); }
.main-nav a:hover::after { right: 0; }
.main-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.55rem 1.25rem 0.55rem 1.1rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--navy);
  opacity: 1;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.12), rgba(59, 130, 246, 0.05));
  border: 1px solid rgba(59, 130, 246, 0.28);
  border-bottom: none;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), 0 2px 8px rgba(59, 130, 246, 0.08);
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform 0.2s ease;
}
.main-nav .nav-cta::after { display: none; }
.main-nav .nav-cta svg {
  width: 16px;
  height: 16px;
  color: var(--whatsapp);
  flex-shrink: 0;
  transition: color var(--transition);
}
.main-nav .nav-cta:hover {
  color: var(--white);
  background: linear-gradient(180deg, #4C92F7 0%, var(--accent) 45%, #2F6FE4 100%);
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(59, 130, 246, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.main-nav .nav-cta:hover svg { color: var(--white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: transparent;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 80;
}
.nav-overlay.show { opacity: 1; pointer-events: auto; }
.nav-mobile-head {
  display: none;
  align-items: center;
  justify-content: space-between;
}
.nav-mobile-brand {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--navy);
}
.nav-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--navy);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.nav-close svg { width: 22px; height: 22px; }
.nav-close:hover {
  background: rgba(10, 37, 64, 0.06);
  transform: rotate(90deg);
}

@media (max-width: 900px) {
  .header:not(.scrolled) .header-inner { height: 64px; padding: 0.35rem 0.5rem 0.35rem 0.75rem; }
  .header.scrolled .header-inner { height: 64px; padding: 0.35rem 0.4rem 0.35rem 0.75rem; margin-top: 0.6rem; }
  .logo-mark { height: 38px; }
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100dvh;
    width: min(320px, 82vw);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    box-shadow: -16px 0 48px rgba(10, 37, 64, 0.12);
    padding: 1rem 1.75rem 2rem;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s linear 0.35s;
    z-index: 90;
    overflow-y: auto;
  }
  .main-nav.open {
    transform: translateX(0);
    visibility: visible;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s;
  }
  .nav-mobile-head { display: flex; margin-bottom: 1rem; }
  .main-nav a {
    width: 100%;
    padding: 1rem 0;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(10, 37, 64, 0.06);
  }
  .main-nav a::after { display: none; }
  .main-nav .nav-cta {
    margin-top: 1.5rem;
    width: 100%;
    justify-content: center;
  }
  .nav-toggle { display: flex; }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 1rem 1.75rem;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.2;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: transform 0.2s ease, box-shadow var(--transition), background var(--transition), border-color var(--transition);
}
.btn-primary {
  background: linear-gradient(180deg, #4C92F7 0%, var(--accent) 45%, #2F6FE4 100%);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border: 1px solid rgba(10, 37, 64, 0.14);
}
.btn-secondary:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.4);
}
@media (max-width: 640px) {
  .btn { width: 100%; max-width: 100%; }
}

.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.8);
  padding: 2.5rem 0;
  font-size: 0.875rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}
@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.footer-brand {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--white);
  margin-bottom: 0.35rem;
}
.footer a:hover { color: var(--accent); }

.wa-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--whatsapp);
  color: var(--white);
  border-radius: 50%;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 36px rgba(37, 211, 102, 0.55);
}
.wa-float svg { width: 30px; height: 30px; }

/* Case layout */
.case-main { padding-top: 5.5rem; }
.case-hero {
  padding: 3.5rem 0 2.5rem;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.55rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span[aria-hidden="true"] { opacity: 0.45; }
.case-kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.case-hero h1 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.75rem, 4.2vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 18ch;
  margin-bottom: 1rem;
}
.case-lead {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 40rem;
}

.case-media {
  margin-bottom: 3.5rem;
}
.case-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(10, 37, 64, 0.08);
  box-shadow: var(--shadow-lg);
  background: #0B1F38;
}
.case-chrome {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.7rem 0.9rem;
  background: #071828;
}
.case-chrome span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.22);
}
.case-chrome span:first-child { background: #EF4444; }
.case-chrome span:nth-child(2) { background: #F59E0B; }
.case-chrome span:nth-child(3) { background: #22C55E; }
.case-shot {
  position: relative;
  min-height: 240px;
  background: #0B1F38;
}
.case-shot img {
  width: 100%;
  height: auto;
  max-height: 560px;
  object-fit: cover;
  object-position: center top;
}
.case-shot img[hidden] { display: none; }
.case-shot-fallback {
  display: none;
  min-height: 240px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.4rem;
  color: var(--white);
  font-family: 'Sora', sans-serif;
}
.case-shot:not(:has(img:not([hidden]))) .case-shot-fallback { display: flex; }
.case-shot-fallback strong { font-size: 1.35rem; }
.case-shot-fallback span { font-size: 0.8125rem; color: rgba(226, 232, 240, 0.7); font-family: 'Inter', sans-serif; }

.case-section { padding: 0 0 3.5rem; }
.case-grid {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .case-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}
.case-panel {
  padding: 1.75rem 1.5rem;
  background: var(--gray-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(10, 37, 64, 0.06);
}
.case-panel h2,
.case-block h2,
.case-features h2,
.case-result h2,
.case-more h2 {
  font-family: 'Sora', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.case-panel p,
.case-block p,
.case-result p {
  color: var(--text-muted);
  font-size: 0.975rem;
}

.case-block { max-width: 42rem; }

.case-features { padding: 0 0 3.5rem; }
.feature-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}
@media (min-width: 640px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
.feature-item {
  padding: 1.35rem 1.25rem;
  background: var(--white);
  border: 1px solid rgba(10, 37, 64, 0.08);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.feature-item h3 {
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  margin-bottom: 0.4rem;
}
.feature-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.case-result {
  padding: 2rem 0 3.5rem;
}
.case-result-box {
  padding: 2rem 1.5rem;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
}
.case-result-box h2 { color: var(--white); }
.case-result-box p { color: rgba(226, 232, 240, 0.82); }

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.tech-list span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gray-bg);
  border: 1px solid rgba(10, 37, 64, 0.08);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
}

.case-cta {
  text-align: center;
  padding: 3.5rem 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-bg) 100%);
}
.case-cta h2 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  margin-bottom: 0.75rem;
}
.case-cta p {
  color: var(--text-muted);
  max-width: 28rem;
  margin: 0 auto 1.5rem;
}

.case-more {
  padding: 0 0 4.5rem;
}
.more-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}
@media (min-width: 640px) {
  .more-grid { grid-template-columns: 1fr 1fr; }
}
.more-card {
  display: block;
  padding: 1.5rem 1.35rem;
  border: 1px solid rgba(10, 37, 64, 0.08);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, border-color var(--transition), box-shadow var(--transition);
}
.more-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: var(--shadow-lg);
}
.more-card span {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.more-card strong {
  font-family: 'Sora', sans-serif;
  font-size: 1.0625rem;
}

@media (max-width: 640px) {
  .case-hero { padding: 2.5rem 0 1.75rem; }
  .case-shot { min-height: 200px; }
}