/* ============================================================
   Rebuild AI — styles.css
   Single stylesheet for the static HTML site.
   ============================================================ */

/* Ensure [hidden] always wins over display rules like .btn { display: inline-flex } */
[hidden] { display: none !important; }

/* 1. Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&family=Playfair+Display:wght@400;700&display=swap');

/* 2. Design tokens */
:root {
  --teal:         hsl(166, 100%, 41.6%);
  --teal-light:   hsl(166, 80%, 85%);
  --teal-dark:    hsl(166, 100%, 30%);
  --navy:         hsl(210, 75%, 14%);
  --navy-light:   hsl(210, 50%, 25%);
  --white:        #ffffff;
  --gray-soft:    hsl(210, 20%, 97%);
  --gray-medium:  hsl(210, 15%, 60%);
  --border-color: hsl(210, 20%, 90%);
  --text:         hsl(210, 75%, 14%);
  --muted:        hsl(210, 20%, 46%);
  --bg:           #ffffff;
  --font-body:    'Inter', system-ui, sans-serif;
  --container:    1280px;
  --gutter:       clamp(1.25rem, 4vw, 3rem);
  --radius:       0.75rem;
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:    0 8px 32px rgba(0,0,0,0.08);
  --shadow-lg:    0 24px 64px rgba(0,0,0,0.12);
  --transition:   0.3s cubic-bezier(0.2,0.8,0.2,1);
}

/* 3. Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); font-size: 16px; color: var(--text); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
ul { list-style: none; }

/* 4. Layout */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(3rem,8vw,6rem) 0; }
.section--navy { background: linear-gradient(135deg, hsl(210,75%,14%) 0%, hsl(210,50%,22%) 100%); color: #fff; }
.section--gray { background: var(--gray-soft); }

/* 5. Gradient utilities */
.gradient-navy { background: linear-gradient(135deg, hsl(210,75%,14%) 0%, hsl(210,50%,22%) 100%); }
.gradient-hero { background: linear-gradient(160deg, hsl(210,75%,10%) 0%, hsl(210,60%,18%) 50%, hsl(210,50%,22%) 100%); }
.gradient-teal { background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(170,90%,48%) 100%); }
.text-gradient-teal {
  background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(170,80%,55%) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.circuit-pattern {
  background-image:
    radial-gradient(circle at 20% 50%, hsla(166,100%,42%,0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, hsla(166,100%,42%,0.03) 0%, transparent 40%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300D4A3' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
/* When circuit-pattern is on the same element as a gradient utility,
   combine both so the circuit pattern overlays the gradient instead of replacing it. */
.gradient-hero.circuit-pattern {
  background:
    radial-gradient(circle at 20% 50%, hsla(166,100%,42%,0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, hsla(166,100%,42%,0.03) 0%, transparent 40%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300D4A3' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(160deg, hsl(210,75%,10%) 0%, hsl(210,60%,18%) 50%, hsl(210,50%,22%) 100%);
}
.gradient-navy.circuit-pattern {
  background:
    radial-gradient(circle at 20% 50%, hsla(166,100%,42%,0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, hsla(166,100%,42%,0.03) 0%, transparent 40%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300D4A3' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(135deg, hsl(210,75%,14%) 0%, hsl(210,50%,22%) 100%);
}
.glass-card {
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

/* 6. Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(7,22,42,0.92);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
/* backdrop-filter on ::before so the header does NOT become the
   containing block for position:fixed children (the mobile nav). */
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: -1;
  pointer-events: none;
}
.site-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  height: 64px;
  gap: 1.5rem;
}
.brand { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; }
.brand__name { font-size: 1.25rem; font-weight: 800; color: #fff; letter-spacing: -0.5px; }
.brand__name span { color: var(--teal); }
.nav { display: flex; align-items: center; gap: 1.75rem; margin-left: auto; }
.nav a { color: rgba(255,255,255,0.75); font-size: 0.875rem; font-weight: 500; transition: color var(--transition); }
.nav a:hover, .nav a.is-active { color: #fff; }
.lang-switch { display: flex; align-items: center; gap: 0.25rem; }
.lang-sep { color: rgba(255,255,255,0.3); font-size: 0.8rem; }
.lang-btn {
  background: none; border: none; color: rgba(255,255,255,0.5);
  font-size: 0.75rem; font-weight: 600; padding: 0.2rem 0.4rem;
  letter-spacing: 0.5px; cursor: pointer; transition: color var(--transition);
}
.lang-btn.is-active { color: var(--teal); }
.header-cta-btn {
  display: inline-flex; align-items: center;
  background: var(--teal); color: var(--navy);
  font-size: 0.8rem; font-weight: 700;
  padding: 0.45rem 1rem; border-radius: 6px;
  white-space: nowrap; transition: opacity var(--transition);
  border: none;
}
.header-cta-btn:hover { opacity: 0.9; }
.nav-toggle {
  display: none;
  background: none; border: none;
  flex-direction: column; gap: 5px;
  padding: 0.5rem; margin-left: auto;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: rgba(255,255,255,0.8);
  transition: all 0.3s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 7. Hero section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem var(--gutter) 4rem;
  position: relative;
  overflow: hidden;
}
.hero__content { position: relative; z-index: 2; max-width: 720px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(0,212,163,0.12); border: 1px solid rgba(0,212,163,0.3);
  color: var(--teal); font-size: 0.8rem; font-weight: 600;
  padding: 0.375rem 0.875rem; border-radius: 999px; margin-bottom: 1.5rem;
}
.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900; line-height: 1.1;
  color: #fff; margin-bottom: 1.25rem;
  letter-spacing: -1.5px;
}
.hero__title .accent { color: hsl(30,100%,65%); font-style: italic; }
.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: rgba(255,255,255,0.8); margin-bottom: 0.5rem;
}
.hero__days { color: var(--teal); font-weight: 800; }
.hero__desc { color: rgba(255,255,255,0.6); font-size: 0.95rem; margin-bottom: 0.25rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }
.hero__urgency {
  margin-top: 1.5rem; font-size: 0.85rem;
  color: rgba(255,255,255,0.6); display: flex; align-items: center; gap: 0.5rem;
}
/* decorative grid bg */
.hero__bg-grid {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 4rem 4rem;
}

/* 8. Section titles */
.section-tag {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--teal);
  display: flex; align-items: center; gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -0.5px;
  margin-bottom: 1rem;
}
.section-subtitle { color: var(--muted); font-size: 1rem; max-width: 540px; }
.section-header { margin-bottom: 3rem; }
.section-header.centered { text-align: center; }
.section-header.centered .section-subtitle { margin: 0 auto; }

/* 9. Before / After grid */
/* === Showcase (Before / After) === */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.showcase-card {
  border-radius: 1rem;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.13);
}
.showcase-card__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border-color);
}
.showcase-icon { font-size: 1.1rem; line-height: 1; }
.showcase-card__title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
}
.showcase-pane { position: relative; overflow: hidden; }
.showcase-pane img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.showcase-card:hover .showcase-pane img { transform: scale(1.04); }
.showcase-pane__badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  font-size: 0.6rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  z-index: 2;
}
.showcase-pane__badge--before { background: rgba(10,20,40,0.72); color: #fff; backdrop-filter: blur(2px); }
.showcase-pane__badge--after  { background: var(--teal); color: var(--navy); }
.showcase-pane__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 0.875rem 0.75rem 0.5rem;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.92);
  background: linear-gradient(transparent, rgba(0,0,0,0.62));
  z-index: 2;
  line-height: 1.3;
}
.showcase-pane__caption--after {
  background: linear-gradient(transparent, rgba(0,60,45,0.68));
}
.showcase-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  background: var(--gray-soft);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 10. Process steps */
.process-steps { display: flex; align-items: flex-start; gap: 0; }
.process-step {
  flex: 1; text-align: center; position: relative; padding: 0 0.5rem;
}
.process-step__num {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(170,90%,48%) 100%);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem; color: var(--navy);
  margin: 0 auto 1rem;
}
.process-step__label {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--teal); margin-bottom: 0.5rem;
}
.process-step__title { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.5rem; color: #fff; }
.process-step__desc { font-size: 0.8rem; color: rgba(255,255,255,0.6); line-height: 1.5; }
.process-connector {
  flex: 0 0 2rem; display: flex; align-items: flex-start;
  padding-top: 1.5rem;
}
.process-connector::after {
  content: '→'; font-size: 1.25rem;
  color: rgba(0,212,163,0.4); width: 100%; text-align: center;
}

/* 11. Benefits grid */
.benefits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.benefit-card {
  padding: 1.75rem; border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background: #fff; box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.benefit-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.benefit-icon {
  width: 44px; height: 44px;
  background: rgba(0,212,163,0.1); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; margin-bottom: 1rem;
}
.benefit-title { font-weight: 700; font-size: 1rem; margin-bottom: 0.5rem; color: var(--text); }
.benefit-desc { font-size: 0.875rem; color: var(--muted); line-height: 1.6; }

/* 12. Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; align-items: start; }
.pricing-card {
  border: 1px solid var(--border-color); border-radius: var(--radius);
  background: #fff; padding: 2rem;
  box-shadow: var(--shadow-sm); position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pricing-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.pricing-card--popular {
  border-color: var(--teal);
  box-shadow: 0 0 0 2px var(--teal), var(--shadow-md);
  transform: scale(1.03);
}
.pricing-card--popular:hover { transform: scale(1.03) translateY(-3px); }
.pricing-popular-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(170,90%,48%) 100%);
  color: var(--navy); font-size: 0.65rem; font-weight: 800;
  padding: 0.25rem 0.875rem; border-radius: 999px; letter-spacing: 1px;
  white-space: nowrap;
}
.pricing-plan { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text); }
.pricing-price {
  font-size: 2rem; font-weight: 900; color: var(--teal);
  margin-bottom: 0.25rem; line-height: 1;
}
.pricing-currency { font-size: 0.8rem; font-weight: 500; color: var(--muted); margin-bottom: 1.5rem; }
.pricing-features { border-top: 1px solid var(--border-color); padding-top: 1.5rem; margin-bottom: 1.5rem; }
.pricing-feature {
  display: flex; align-items: center; gap: 0.625rem;
  font-size: 0.875rem; color: var(--text); margin-bottom: 0.75rem;
}
.pricing-feature::before { content: '✓'; color: var(--teal); font-weight: 800; flex-shrink: 0; }
.pricing-maintenance {
  text-align: center; margin-top: 2.5rem;
  padding: 1.5rem; border-radius: var(--radius);
  background: var(--gray-soft); border: 1px solid var(--border-color);
}
.pricing-maintenance__price { font-size: 1.5rem; font-weight: 800; color: var(--teal); }
.pricing-maintenance__label { font-size: 0.875rem; color: var(--muted); }

/* 13. Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.testimonial-card {
  padding: 1.75rem; border-radius: var(--radius);
  border: 1px solid var(--border-color); background: #fff;
  box-shadow: var(--shadow-sm);
}
.testimonial-quote { font-size: 0.9rem; color: var(--muted); line-height: 1.7; margin-bottom: 1.25rem; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 0.75rem; }
.testimonial-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(170,90%,48%) 100%);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.875rem; color: var(--navy); flex-shrink: 0;
}
.testimonial-name { font-weight: 700; font-size: 0.9rem; color: var(--text); }
.testimonial-role { font-size: 0.78rem; color: var(--muted); }


/* 14. Included Features section */
.features-included-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
}
.fi-card {
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: #fff;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  display: flex;
  flex-direction: column;
}
.fi-card__preview {
  background: hsl(210,20%,97%);
  padding: 2rem 1.5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  position: relative;
  overflow: hidden;
}
.fi-card__preview--dark {
  background: linear-gradient(135deg, hsl(210,75%,12%) 0%, hsl(210,60%,18%) 100%);
}
.fi-card__body {
  padding: 1.5rem;
  flex: 1;
}
.fi-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--teal);
  background: hsla(166,100%,42%,0.1);
  border: 1px solid hsla(166,100%,42%,0.25);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}
.fi-card__title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.fi-card__desc {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.fi-card__bullets {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.fi-card__bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text);
}
.fi-card__bullet::before {
  content: '✓';
  color: var(--teal);
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 1px;
}

/* --- UserProof mockup --- */
.up-notification {
  background: #fff;
  border-radius: 1rem;
  padding: 0.875rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.14);
  width: 100%;
  max-width: 320px;
  animation: upSlideIn 0.5s ease forwards, upFloat 4s ease-in-out 0.5s infinite;
}
.up-notification + .up-notification {
  margin-top: 0.75rem;
  animation-delay: 0.15s, 0.65s;
  opacity: 0.75;
  transform: scale(0.97);
}
.up-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: hsl(210,20%,92%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.up-text { flex: 1; }
.up-text strong { display: block; font-size: 0.82rem; color: hsl(210,20%,25%); font-weight: 600; }
.up-text span   { font-size: 0.72rem; color: hsl(210,20%,55%); }
.up-close { color: hsl(210,20%,70%); font-size: 1rem; cursor: pointer; flex-shrink: 0; }
.up-dot {
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal);
  top: 0.875rem; right: 1rem;
  animation: upPulse 2s ease-in-out infinite;
}

/* --- LiveChat (Chatwoot) mockup --- */
.lc-window {
  background: #fff;
  border-radius: 1rem;
  width: 100%;
  max-width: 300px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.22);
  overflow: hidden;
  animation: upSlideIn 0.5s ease forwards;
}
.lc-header {
  background: linear-gradient(135deg, hsl(166,100%,38%) 0%, hsl(166,100%,30%) 100%);
  padding: 0.875rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.lc-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.lc-header-text strong { display: block; font-size: 0.8rem; font-weight: 700; color: #fff; }
.lc-header-text span   { font-size: 0.68rem; color: rgba(255,255,255,0.8); }
.lc-online { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; margin-left: auto; flex-shrink:0; }
.lc-messages {
  padding: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: hsl(210,20%,98%);
}
.lc-msg {
  max-width: 80%;
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  font-size: 0.75rem;
  line-height: 1.4;
}
.lc-msg--agent {
  background: #fff;
  color: hsl(210,20%,30%);
  border-bottom-left-radius: 2px;
  align-self: flex-start;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.lc-msg--user {
  background: var(--teal);
  color: var(--navy);
  font-weight: 600;
  border-bottom-right-radius: 2px;
  align-self: flex-end;
}
.lc-input {
  border-top: 1px solid hsl(210,20%,92%);
  padding: 0.625rem 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff;
}
.lc-input-field {
  flex: 1;
  font-size: 0.72rem;
  color: hsl(210,20%,60%);
  background: hsl(210,20%,96%);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
}
.lc-send {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  color: var(--navy);
}
.lc-bubble {
  position: absolute;
  bottom: 1.25rem;
  right: 1.5rem;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(166,100%,32%) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 20px rgba(0,212,163,0.5);
  animation: upFloat 3s ease-in-out infinite;
}
.lc-badge {
  position: absolute;
  top: 0; right: 0;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #ef4444;
  font-size: 0.6rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes upSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes upFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}
@keyframes upPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.4); }
}

/* 15. CTA section */
.cta-section { text-align: center; padding: clamp(4rem,10vw,8rem) var(--gutter); }
.cta-section .section-title { color: #fff; font-size: clamp(1.75rem,4vw,3rem); }
.cta-section .section-subtitle { color: rgba(255,255,255,0.7); margin: 0 auto 2.5rem; max-width: 520px; }

/* 15. Page hero (inner pages) */
.page-hero {
  padding: clamp(5rem,12vw,9rem) var(--gutter) clamp(3rem,6vw,5rem);
  text-align: center;
}
.page-hero__title { font-size: clamp(2rem,5vw,3.5rem); font-weight: 900; color: #fff; margin-bottom: 1rem; letter-spacing: -1px; }
.page-hero__sub { font-size: 1.1rem; color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto; }

/* 16. Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-body); font-weight: 600;
  border-radius: 8px; transition: all var(--transition);
  cursor: pointer; white-space: nowrap; border: 2px solid transparent;
  text-decoration: none; font-size: 0.9rem; padding: 0.65rem 1.5rem;
}
.btn--hero {
  background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(170,90%,48%) 100%);
  color: var(--navy); font-size: 1rem; font-weight: 800;
  padding: 0.875rem 2rem; letter-spacing: -0.25px; border-color: transparent;
  box-shadow: 0 8px 24px rgba(0,212,163,0.35);
}
.btn--hero:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,212,163,0.45); }
.btn--hero-dark {
  background: rgba(255,255,255,0.1); color: #fff;
  font-size: 1rem; font-weight: 700;
  padding: 0.875rem 2rem; border-color: rgba(255,255,255,0.2);
}
.btn--hero-dark:hover { background: rgba(255,255,255,0.18); }
.btn--primary { background: var(--teal); color: var(--navy); border-color: var(--teal); }
.btn--primary:hover { background: var(--teal-dark); border-color: var(--teal-dark); }
.btn--outline { background: transparent; color: var(--text); border-color: var(--border-color); }
.btn--outline:hover { border-color: var(--teal); color: var(--teal); }
.btn--ghost { background: transparent; color: var(--teal); border-color: transparent; }
.btn--ghost:hover { background: rgba(0,212,163,0.08); }
.btn--full { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; pointer-events: none; }

/* 17. Modal base */
.modal {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  visibility: hidden; pointer-events: none;
}
.modal.is-open { visibility: visible; pointer-events: auto; }
.modal__overlay {
  position: absolute; inset: 0;
  background: rgba(7,22,42,0.75); backdrop-filter: blur(4px);
  opacity: 0; transition: opacity 0.25s;
}
.modal.is-open .modal__overlay { opacity: 1; }
.modal__dialog {
  position: relative; z-index: 1;
  background: #fff; border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  width: 100%; max-height: 90vh; overflow-y: auto;
  transform: translateY(20px) scale(0.97);
  opacity: 0; transition: all 0.25s;
}
.modal.is-open .modal__dialog { transform: translateY(0) scale(1); opacity: 1; }
.modal__dialog--sm { max-width: 480px; }
.modal__dialog--lg { max-width: 640px; }
.modal__body { padding: 2rem; }
.modal__close {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--gray-soft); border: none;
  width: 32px; height: 32px; border-radius: 50%;
  font-size: 1.125rem; color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--transition);
}
.modal__close:hover { background: var(--border-color); color: var(--text); }
.modal__title { font-size: 1.25rem; font-weight: 800; color: var(--text); margin-bottom: 0.5rem; }
.modal__desc { font-size: 0.9rem; color: var(--muted); margin-bottom: 1.5rem; }

/* 18. Audit modal */
.audit-success { text-align: center; padding: 2rem 0; }
.audit-success__icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(170,90%,48%) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; margin: 0 auto 1.25rem;
}
.audit-success__title { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.audit-success__desc { font-size: 0.875rem; color: var(--muted); margin-top: 0.5rem; }

/* 19. Booking modal */
.booking-steps-indicator {
  display: flex; align-items: center; margin-bottom: 1.5rem;
}
.step-dot {
  width: 36px; height: 36px; border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.12);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 0.85rem; color: var(--muted);
  transition: all var(--transition);
}
.step-dot.is-active {
  background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(170,90%,48%) 100%);
  border-color: transparent; color: var(--navy); font-weight: 700;
}
.step-dot.is-done {
  background: var(--teal); border-color: transparent; color: var(--navy);
}
.step-label { font-size: 0.65rem; font-weight: 600; color: var(--muted); text-align: center; margin-top: 0.25rem; display: none; }
.step-dot.is-active + .step-label, .step-dot.is-done + .step-label { color: var(--text); }
.step-connector { flex: 1; height: 2px; background: var(--border-color); margin: 0 0.25rem; transition: background var(--transition); }
.step-connector.is-done { background: var(--teal); }
.step-dot-wrap { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; }
.booking-step { display: none; }
.booking-step.is-active { display: block; }
.booking-step__heading { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 1.25rem; display: flex; align-items: center; gap: 0.5rem; }
.booking-step__heading span { color: var(--teal); }
.booking-step-confirm { background: var(--gray-soft); border-radius: var(--radius); padding: 1.25rem; }
.booking-confirm-row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: 0.5rem 0; border-bottom: 1px solid var(--border-color); font-size: 0.875rem; }
.booking-confirm-row:last-child { border-bottom: none; }
.booking-confirm-row span:first-child { color: var(--muted); flex-shrink: 0; }
.booking-confirm-row span:last-child { font-weight: 600; color: var(--text); text-align: right; word-break: break-all; }
.booking-nav { display: flex; justify-content: space-between; gap: 0.75rem; margin-top: 1.5rem; }
.booking-nav .btn { white-space: nowrap; }
.time-slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; }
.time-slot {
  padding: 0.5rem; text-align: center;
  border: 1px solid var(--border-color); border-radius: 8px;
  font-size: 0.85rem; font-weight: 500; background: #fff;
  cursor: pointer; transition: all var(--transition);
}
.time-slot:hover { border-color: var(--teal); color: var(--teal); }
.time-slot.is-selected {
  background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(170,90%,48%) 100%);
  border-color: transparent; color: var(--navy); font-weight: 700;
}
.booking-suggestion {
  display: flex; align-items: center; gap: 0.5rem;
  background: rgba(0,212,163,0.08); border: 1px solid rgba(0,212,163,0.2);
  border-radius: 8px; padding: 0.75rem; font-size: 0.85rem; color: var(--text);
  margin-top: 0.5rem;
}
.booking-suggestion button { background: none; border: none; color: var(--teal); font-weight: 700; text-decoration: underline; cursor: pointer; font-size: 0.85rem; }
.booking-success { text-align: center; padding: 2.5rem 1rem; }
.booking-success__icon {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, hsl(166,100%,42%) 0%, hsl(170,90%,48%) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; margin: 0 auto 1.5rem;
}
.booking-success__title { font-size: 1.5rem; font-weight: 800; color: var(--text); margin-bottom: 0.75rem; }
.booking-success__desc { font-size: 0.9rem; color: var(--muted); margin-bottom: 2rem; }

/* 20. Form elements */
.form-field { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 0.375rem; }
.form-input, .form-select, .form-textarea {
  display: block; width: 100%;
  border: 1.5px solid var(--border-color); border-radius: 8px;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-body); font-size: 0.9rem; color: var(--text);
  background: #fff; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none; appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,212,163,0.12);
}
.form-textarea { resize: vertical; min-height: 80px; line-height: 1.6; }
.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 2.25rem;
}
.form-error { font-size: 0.78rem; color: #e53e3e; margin-top: 0.3rem; display: none; }
.form-error.is-visible { display: flex; align-items: center; gap: 4px; }
.form-error.is-visible::before { content: "⚠"; flex-shrink: 0; }
.form-field.has-error .form-input,
.form-field.has-error .form-select,
.form-field.has-error .form-textarea {
  border-color: #e53e3e;
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.12);
}
.form-api-error {
  background: #fff5f5; border: 1px solid #fed7d7; border-radius: 8px;
  padding: 0.75rem 1rem; font-size: 0.875rem; color: #c53030;
  margin-bottom: 1rem;
}

/* 21. Footer */
.footer { background: hsl(210,75%,10%); color: rgba(255,255,255,0.7); padding: 3rem 0 1.5rem; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; margin-bottom: 2.5rem; }
.footer__brand { font-size: 1.1rem; font-weight: 800; color: #fff; margin-bottom: 0.75rem; }
.footer__brand span { color: var(--teal); }
.footer__about { font-size: 0.85rem; color: rgba(255,255,255,0.5); line-height: 1.6; }
.footer__heading { font-size: 0.75rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 1rem; }
.footer__nav { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__nav a { font-size: 0.875rem; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer__nav a:hover { color: var(--teal); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: rgba(255,255,255,0.4);
  flex-wrap: wrap; gap: 0.5rem;
}
.footer__contact { font-size: 0.875rem; color: rgba(255,255,255,0.6); }
.footer__contact a { color: var(--teal); }

/* 22. Scroll reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* 23. Language switching */
html[lang="en"] .lang-vi { display: none !important; }
html[lang="vi"] .lang-en { display: none !important; }

/* 24. Project info page (standalone, scoped to .project-info-page) */
/* Variables — aligned with site brand (teal + navy) */
.project-info-page {
  --pi-teal:        hsl(166, 100%, 41.6%);
  --pi-teal-dark:   hsl(166, 100%, 32%);
  --pi-teal-glow:   rgba(0, 212, 163, 0.15);
  --pi-navy:        hsl(210, 75%, 14%);
  --pi-bg:          #ffffff;
  --pi-bg2:         hsl(210, 20%, 97%);
  --pi-bg3:         hsl(210, 20%, 93%);
  --pi-border:      hsl(210, 20%, 88%);
  --pi-text:        hsl(210, 75%, 14%);
  --pi-text-muted:  hsl(210, 20%, 46%);
  --pi-error:       #e8341a;
}
.project-info-page * { box-sizing: border-box; }
.project-info-page { font-family: "Be Vietnam Pro", "Inter", sans-serif; background: var(--pi-bg); color: var(--pi-text); min-height: 100vh; overflow-x: hidden; }

/* Progress bar */
.project-info-page .pi-progress-bar { position: fixed; top: 0; left: 0; height: 3px; background: var(--pi-teal); transition: width 0.4s ease; z-index: 200; box-shadow: 0 0 10px var(--pi-teal); }

/* Header */
.project-info-page .pi-header { position: fixed; top: 3px; left: 0; right: 0; padding: 16px 40px; display: flex; justify-content: space-between; align-items: center; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--pi-border); }
.project-info-page .pi-logo { font-family: "Inter", sans-serif; font-size: 20px; font-weight: 800; color: var(--pi-navy); letter-spacing: -0.5px; text-decoration: none; }
.project-info-page .pi-logo span { color: var(--pi-teal); }
.project-info-page .pi-step-indicator { font-size: 12px; font-weight: 600; color: var(--pi-text-muted); letter-spacing: 1px; text-transform: uppercase; background: var(--pi-bg2); padding: 4px 12px; border-radius: 999px; border: 1px solid var(--pi-border); }

/* Container & steps */
.project-info-page .pi-container { max-width: 680px; margin: 0 auto; padding: 100px 24px 80px; min-height: 100vh; }
.project-info-page .pi-step { display: none; animation: pi-fade-up 0.4s ease; }
.project-info-page .pi-step.pi-active { display: block; }
@keyframes pi-fade-up { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Step header */
.project-info-page .pi-step-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--pi-teal); margin-bottom: 16px; }
.project-info-page .pi-step-tag::before { content: ""; width: 20px; height: 2px; background: var(--pi-teal); display: block; }
.project-info-page .pi-step-title { font-family: "Inter", sans-serif; font-size: clamp(26px, 5vw, 40px); font-weight: 900; line-height: 1.1; letter-spacing: -1px; margin-bottom: 10px; color: var(--pi-navy); }
.project-info-page .pi-step-desc { font-size: 15px; color: var(--pi-text-muted); margin-bottom: 36px; line-height: 1.6; }

/* Fields */
.project-info-page .pi-field-group { margin-bottom: 22px; }
.project-info-page .pi-label { display: block; font-size: 12px; font-weight: 700; color: var(--pi-text-muted); letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 8px; }
.project-info-page .pi-label .pi-required { color: var(--pi-error); margin-left: 3px; }
.project-info-page .pi-label .pi-optional { color: var(--pi-text-muted); font-weight: 400; text-transform: none; font-size: 11px; margin-left: 6px; opacity: 0.8; }
.project-info-page input[type="text"],
.project-info-page input[type="email"],
.project-info-page input[type="tel"],
.project-info-page input[type="url"],
.project-info-page textarea,
.project-info-page select { width: 100%; background: var(--pi-bg); border: 1.5px solid var(--pi-border); border-radius: 10px; padding: 13px 16px; font-family: "Be Vietnam Pro", "Inter", sans-serif; font-size: 15px; color: var(--pi-text); outline: none; transition: border-color 0.2s, box-shadow 0.2s; -webkit-appearance: none; appearance: none; }
.project-info-page input::placeholder, .project-info-page textarea::placeholder { color: hsl(210,15%,70%); }
.project-info-page input:focus, .project-info-page textarea:focus, .project-info-page select:focus { border-color: var(--pi-teal); box-shadow: 0 0 0 3px var(--pi-teal-glow); }
.project-info-page textarea { resize: vertical; min-height: 100px; line-height: 1.6; }
.project-info-page select { cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300D4AA' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; background-color: var(--pi-bg); padding-right: 44px; }

/* Option cards */
.project-info-page .pi-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.project-info-page .pi-card-grid.pi-cols-2 { grid-template-columns: 1fr 1fr; }
.project-info-page .pi-card-grid.pi-cols-3 { grid-template-columns: repeat(3, 1fr); }
.project-info-page .pi-option-card { position: relative; cursor: pointer; }
.project-info-page .pi-option-card input { position: absolute; opacity: 0; width: 0; height: 0; }
.project-info-page .pi-option-card .pi-card-body { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; padding: 14px; background: var(--pi-bg); border: 1.5px solid var(--pi-border); border-radius: 10px; transition: all 0.2s; height: 100%; }
.project-info-page .pi-option-card input:checked + .pi-card-body { border-color: var(--pi-teal); background: var(--pi-teal-glow); box-shadow: 0 0 0 3px rgba(0,212,163,0.12); }
.project-info-page .pi-option-card .pi-card-body:hover { border-color: var(--pi-teal); background: var(--pi-bg2); }
.project-info-page .pi-option-card .pi-card-icon { font-size: 20px; }
.project-info-page .pi-option-card .pi-card-label { font-size: 13px; font-weight: 700; line-height: 1.3; color: var(--pi-navy); }
.project-info-page .pi-option-card .pi-card-sub { font-size: 11px; color: var(--pi-text-muted); line-height: 1.4; }

/* Palette */
.project-info-page .pi-palette-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.project-info-page .pi-palette-option { position: relative; cursor: pointer; }
.project-info-page .pi-palette-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.project-info-page .pi-palette-swatch { width: 52px; height: 52px; border-radius: 50%; border: 3px solid transparent; transition: all 0.2s; box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.project-info-page .pi-palette-option input:checked + .pi-palette-swatch { border-color: var(--pi-navy); transform: scale(1.18); box-shadow: 0 4px 16px rgba(0,0,0,0.2); }

/* Two col */
.project-info-page .pi-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Upload zone */
.project-info-page .pi-upload-zone { border: 1.5px dashed var(--pi-border); border-radius: 10px; padding: 28px; text-align: center; cursor: pointer; transition: all 0.2s; background: var(--pi-bg2); position: relative; }
.project-info-page .pi-upload-zone:hover, .project-info-page .pi-upload-zone.pi-dragover { border-color: var(--pi-teal); background: var(--pi-teal-glow); }
.project-info-page .pi-upload-zone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.project-info-page .pi-upload-icon { font-size: 28px; margin-bottom: 8px; }
.project-info-page .pi-upload-text { font-size: 14px; color: var(--pi-text-muted); }
.project-info-page .pi-upload-text strong { color: var(--pi-navy); }
.project-info-page .pi-upload-preview { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; justify-content: center; }
.project-info-page .pi-upload-preview img { width: 60px; height: 60px; object-fit: cover; border-radius: 8px; border: 2px solid var(--pi-border); }

/* Checklist */
.project-info-page .pi-checklist { display: flex; flex-direction: column; gap: 8px; }
.project-info-page .pi-check-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--pi-bg); border: 1.5px solid var(--pi-border); border-radius: 10px; cursor: pointer; transition: all 0.2s; position: relative; }
.project-info-page .pi-check-item input { position: absolute; opacity: 0; }
.project-info-page .pi-check-item:has(input:checked) { border-color: var(--pi-teal); background: var(--pi-teal-glow); }
.project-info-page .pi-check-box { width: 20px; height: 20px; border: 2px solid var(--pi-border); border-radius: 5px; flex-shrink: 0; transition: all 0.2s; display: flex; align-items: center; justify-content: center; background: var(--pi-bg); }
.project-info-page .pi-check-item:has(input:checked) .pi-check-box { background: var(--pi-teal); border-color: var(--pi-teal); }
.project-info-page .pi-check-item:has(input:checked) .pi-check-box::after { content: "✓"; font-size: 12px; color: var(--pi-navy); font-weight: 800; }
.project-info-page .pi-check-label { font-size: 14px; font-weight: 600; color: var(--pi-navy); }
.project-info-page .pi-check-sub { font-size: 12px; color: var(--pi-text-muted); margin-top: 1px; }

/* Nav buttons */
.project-info-page .pi-nav-group { display: flex; gap: 12px; margin-top: 40px; align-items: center; }
.project-info-page .pi-btn-next { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: linear-gradient(135deg, var(--pi-teal) 0%, hsl(166,90%,48%) 100%); color: var(--pi-navy); border: none; border-radius: 10px; padding: 14px 28px; font-family: inherit; font-size: 15px; font-weight: 700; cursor: pointer; transition: all 0.2s; flex: 1; box-shadow: 0 4px 16px rgba(0,212,163,0.3); }
.project-info-page .pi-btn-next:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,212,163,0.4); }
.project-info-page .pi-btn-next:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.project-info-page .pi-btn-next.pi-submit { background: linear-gradient(135deg, var(--pi-navy) 0%, hsl(210,60%,22%) 100%); color: #fff; box-shadow: 0 4px 16px rgba(7,22,42,0.2); }
.project-info-page .pi-btn-next.pi-submit:hover:not(:disabled) { box-shadow: 0 8px 28px rgba(7,22,42,0.3); }
.project-info-page .pi-btn-back { display: inline-flex; align-items: center; gap: 8px; background: var(--pi-bg2); color: var(--pi-text-muted); border: 1.5px solid var(--pi-border); border-radius: 10px; padding: 14px 20px; font-family: inherit; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.project-info-page .pi-btn-back:hover { color: var(--pi-navy); border-color: var(--pi-teal); background: var(--pi-bg); }

/* Hints / errors */
.project-info-page .pi-hint-text { font-size: 12px; color: var(--pi-text-muted); margin-top: 7px; line-height: 1.5; }
.project-info-page .pi-error-msg { font-size: 13px; color: var(--pi-error); margin-top: 6px; display: none; }
.project-info-page .pi-error-msg.is-visible { display: block; }

/* Inline field error state */
.project-info-page .pi-field-group.pi-has-error > input,
.project-info-page .pi-field-group.pi-has-error > textarea,
.project-info-page .pi-field-group.pi-has-error > select {
  border-color: var(--pi-error);
  box-shadow: 0 0 0 3px rgba(232, 52, 26, 0.12);
}
.project-info-page .pi-field-group.pi-has-error .pi-upload-zone {
  border-color: var(--pi-error);
  background: rgba(232, 52, 26, 0.04);
}
.project-info-page .pi-field-group.pi-has-error .pi-card-grid,
.project-info-page .pi-field-group.pi-has-error .pi-checklist,
.project-info-page .pi-field-group.pi-has-error .pi-palette-grid {
  border-radius: 10px;
  outline: 2px solid var(--pi-error);
  outline-offset: 4px;
}
.project-info-page .pi-inline-error {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--pi-error);
  margin-top: 8px;
}
.project-info-page .pi-inline-error::before {
  content: "⚠";
  flex-shrink: 0;
}

/* Success screen */
.project-info-page .pi-success-screen { text-align: center; padding: 40px 0; }
.project-info-page .pi-success-icon { width: 80px; height: 80px; background: var(--pi-teal-glow); border: 2px solid var(--pi-teal); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 32px; margin: 0 auto 28px; animation: pi-pulse 2s infinite; }
@keyframes pi-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(0,212,163,0.3); } 50% { box-shadow: 0 0 0 16px rgba(0,212,163,0); } }
.project-info-page .pi-success-title { font-family: "Inter", sans-serif; font-size: 34px; font-weight: 900; margin-bottom: 14px; color: var(--pi-navy); letter-spacing: -0.5px; }
.project-info-page .pi-success-desc { font-size: 15px; color: var(--pi-text-muted); line-height: 1.7; max-width: 440px; margin: 0 auto 32px; }
.project-info-page .pi-timeline-box { background: var(--pi-bg2); border: 1.5px solid var(--pi-border); border-radius: 12px; padding: 24px; text-align: left; max-width: 400px; margin: 0 auto; }
.project-info-page .pi-timeline-item { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--pi-border); }
.project-info-page .pi-timeline-item:last-child { border-bottom: none; padding-bottom: 0; }
.project-info-page .pi-timeline-dot { width: 32px; height: 32px; background: var(--pi-teal-glow); border: 1.5px solid rgba(0,212,163,0.3); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; margin-top: 2px; }
.project-info-page .pi-timeline-text strong { font-size: 14px; font-weight: 700; color: var(--pi-navy); display: block; margin-bottom: 2px; }
.project-info-page .pi-timeline-text span { font-size: 12px; color: var(--pi-text-muted); }

/* Background decoration */
.project-info-page .pi-bg-decoration { position: fixed; top: -200px; right: -200px; width: 600px; height: 600px; background: radial-gradient(circle, rgba(0,212,163,0.06) 0%, transparent 70%); pointer-events: none; z-index: 0; }

/* Toast */
.project-info-page .pi-toast { position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%); background: var(--pi-navy); color: #fff; font-size: 14px; padding: 0.875rem 1.5rem; border-radius: 10px; box-shadow: 0 8px 32px rgba(0,0,0,0.2); z-index: 9999; animation: pi-toast-in 0.3s ease; white-space: nowrap; }
.project-info-page .pi-toast.pi-toast-error { background: var(--pi-error); }
@keyframes pi-toast-in { from { opacity: 0; transform: translateX(-50%) translateY(12px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }



/* 25. Responsive */
@media (max-width: 1024px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card--popular { transform: none; }
  .pricing-card--popular:hover { transform: translateY(-3px); }
  .showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .features-included-grid { grid-template-columns: 1fr; }
  .process-steps { flex-wrap: wrap; }
  .process-step { flex: 0 0 33.33%; margin-bottom: 2rem; }
  .process-connector { display: none; }
}
@media (max-width: 880px) {
  .nav { display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0; background: hsl(210,75%,8%); flex-direction: column; align-items: center; justify-content: center; gap: 2rem; z-index: 200; overflow-y: auto; }
  .nav.is-open { display: flex; }
  .nav a { font-size: 1.25rem; }
  .nav-toggle { display: flex; }
  .lang-switch { order: -1; }
  .header-cta-btn { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .showcase-grid { grid-template-columns: 1fr; }
  .time-slots { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .hero__title { letter-spacing: -0.5px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .process-step { flex: 0 0 100%; }
  .booking-steps-indicator .step-label { display: block; }
  .time-slots { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 1fr; }
  .btn--hero, .btn--hero-dark {
    width: 100%;
    max-width: 100%;
    white-space: normal;
    text-align: center;
    padding: 0.875rem 1.25rem;
    box-sizing: border-box;
  }
  .cta-section .btn--hero { margin-top: 1.5rem; }
  .hero__actions { flex-direction: column; }
  .booking-nav {
    flex-direction: column-reverse;
    gap: 0.625rem;
  }
  .booking-nav .btn {
    width: 100%;
    white-space: nowrap;
    text-align: center;
    padding: 0.875rem 1rem;
    font-size: 0.95rem;
  }
}
@media (max-width: 600px) {
  .project-info-page .pi-header { padding: 12px 16px; }
  .project-info-page .pi-container { padding: 86px 16px 60px; }
  .project-info-page .pi-card-grid.pi-cols-3 { grid-template-columns: 1fr 1fr; }
  .project-info-page .pi-card-grid.pi-cols-2 { grid-template-columns: 1fr; }
  .project-info-page .pi-two-col { grid-template-columns: 1fr; }
  .project-info-page .pi-step-title { font-size: 26px; }
  .project-info-page .pi-nav-group { flex-direction: column-reverse; }
  .project-info-page .pi-btn-next, .project-info-page .pi-btn-back { width: 100%; }
}