/* =============================================================
   MẦM XANH MONTESSORI — MAIN STYLESHEET
   Table of contents:
   1. CSS Variables (Design Tokens)
   2. Reset & Base
   3. Typography Utilities
   4. Layout / Container
   5. Buttons
   6. Header / Navigation
   7. Hero
   8. Trust Bar
   9. Benefits
   10. Programs
   11. Statistics
   12. Gallery
   13. Testimonials
   14. Lead Form
   15. FAQ
   16. Final CTA
   17. Footer
   18. Floating Actions & Sticky Mobile CTA
   19. Scroll Animations
   ============================================================= */

/* --------------------------------------------------------------
   1. CSS VARIABLES (DESIGN TOKENS)
   -------------------------------------------------------------- */
:root {
  /* Color palette — warm, natural, pastel Montessori tones */
  --color-bg: #FFF9F2;
  --color-bg-alt: #F5F0E6;
  --color-surface: #FFFFFF;

  --color-primary: #4C8577;        /* deep sage green */
  --color-primary-light: #7EAB9C;
  --color-primary-dark: #34594F;

  --color-secondary: #E8804A;      /* warm apricot coral */
  --color-secondary-light: #FFB088;

  --color-accent-yellow: #FFD166;
  --color-accent-blue: #3C6FB0;

  --color-ink: #2B3A3A;
  --color-ink-soft: #5B6B6B;
  --color-border: #E7E1D4;

  --color-success: #4C8577;
  --color-error: #D14343;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent: 'Caveat', cursive;

  --fs-h1: clamp(2.2rem, 4.5vw, 3.6rem);
  --fs-h2: clamp(1.8rem, 3.2vw, 2.6rem);
  --fs-h3: 1.25rem;
  --fs-body: 1rem;
  --fs-sm: 0.875rem;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Radius & shadow */
  --radius-sm: 10px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(43, 58, 58, 0.06);
  --shadow-md: 0 12px 32px rgba(43, 58, 58, 0.10);
  --shadow-lg: 0 24px 60px rgba(43, 58, 58, 0.14);

  /* Layout */
  --container-width: 1180px;
  --header-height: 84px;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; margin: 0; padding: 0; }

button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  line-height: 1.2;
  margin: 0 0 var(--space-sm);
  font-weight: 600;
}

p { margin: 0 0 var(--space-sm); color: var(--color-ink-soft); }

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Visible keyboard focus for accessibility (WCAG AA) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent-blue);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* --------------------------------------------------------------
   3. TYPOGRAPHY UTILITIES
   -------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-secondary);
  margin: 0 0 var(--space-xs);
  display: inline-block;
  position: relative;
}
.eyebrow--center { text-align: center; width: 100%; }

.highlight {
  color: var(--color-secondary);
  position: relative;
  white-space: nowrap;
}

.section-heading {
  max-width: 640px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}
.section-heading h2 { margin-bottom: var(--space-sm); }
.section-heading__desc { font-size: 1.05rem; }

/* --------------------------------------------------------------
   4. LAYOUT / CONTAINER
   -------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section { position: relative; }

/* --------------------------------------------------------------
   5. BUTTONS
   -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-family: var(--font-body);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-md); }

.btn--secondary {
  background: #fff;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}
.btn--secondary:hover { background: var(--color-accent-yellow); }

.btn--outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}
.btn--outline:hover { background: var(--color-primary); color: #fff; }

.btn--lg { padding: 1.05rem 2.25rem; font-size: 1.05rem; }
.btn--sm { padding: 0.6rem 1.25rem; font-size: 0.9rem; }
.btn--block { width: 100%; }

/* --------------------------------------------------------------
   6. HEADER / NAVIGATION
   -------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(255, 249, 242, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}
.site-header.is-scrolled {
  background: rgba(255, 249, 242, 0.98);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-md);
}

.logo img { height: 40px; width: auto; }

.main-nav__list {
  display: flex;
  gap: var(--space-lg);
}
.main-nav__list a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-ink);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--transition-base);
}
.main-nav__list a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-secondary);
  transition: width var(--transition-base);
}
.main-nav__list a:hover { color: var(--color-primary); }
.main-nav__list a:hover::after { width: 100%; }

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.header__phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}
.header__phone svg { color: var(--color-secondary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* --------------------------------------------------------------
   7. HERO
   -------------------------------------------------------------- */
.hero {
  overflow: hidden;
  padding: var(--space-2xl) 0 var(--space-xl);
}
.hero__blob {
  position: absolute;
  top: -10%;
  right: -12%;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle at 30% 30%, #E8F3EE, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: var(--space-xl);
}
.hero__title { font-size: var(--fs-h1); margin-bottom: var(--space-md); }
.hero__desc { font-size: 1.1rem; max-width: 520px; margin-bottom: var(--space-lg); }
.hero__cta-group { display: flex; gap: var(--space-sm); flex-wrap: wrap; margin-bottom: var(--space-xl); }

.hero__trust {
  display: flex;
  gap: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}
.hero__trust-item { display: flex; flex-direction: column; }
.hero__trust-item strong { font-family: var(--font-display); font-size: 1.5rem; color: var(--color-primary-dark); }
.hero__trust-item span { font-size: var(--fs-sm); color: var(--color-ink-soft); }

.hero__media { position: relative; }
.hero__media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 560/620;
}
.hero__badge {
  position: absolute;
  bottom: -28px;
  left: -28px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 260px;
}
.hero__badge strong { display: block; font-size: 0.95rem; color: var(--color-primary-dark); }
.hero__badge span { font-size: 0.8rem; color: var(--color-ink-soft); }

/* --------------------------------------------------------------
   8. TRUST BAR
   -------------------------------------------------------------- */
.trust-bar { padding: var(--space-lg) 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.trust-bar__inner { text-align: center; }
.trust-bar__label { font-size: var(--fs-sm); color: var(--color-ink-soft); margin-bottom: var(--space-md); text-transform: uppercase; letter-spacing: 0.08em; }
.trust-bar__logos { display: flex; justify-content: center; align-items: center; gap: var(--space-xl); flex-wrap: wrap; }
.trust-bar__logos img { opacity: 0.6; transition: opacity var(--transition-base); }
.trust-bar__logos img:hover { opacity: 1; }

/* --------------------------------------------------------------
   9. BENEFITS
   -------------------------------------------------------------- */
.benefits { padding: var(--space-2xl) 0; }
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.benefit-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.benefit-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.benefit-card__icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  background: var(--icon-bg);
  color: var(--icon-color);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-md);
}
.benefit-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.benefit-card p { font-size: 0.92rem; margin: 0; }

/* --------------------------------------------------------------
   10. PROGRAMS
   -------------------------------------------------------------- */
.programs { padding: var(--space-2xl) 0; background: var(--color-bg-alt); }
.programs__path {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  position: relative;
}
.program-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}
.program-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.program-card img { width: 100%; aspect-ratio: 400/280; object-fit: cover; }
.program-card__age {
  position: absolute;
  top: var(--space-sm); left: var(--space-sm);
  background: rgba(255,255,255,0.92);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: var(--fs-sm);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
}
.program-card__body { padding: var(--space-md); }
.program-card__body h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.program-card__body p { font-size: 0.9rem; margin-bottom: var(--space-sm); }
.program-card__link { font-weight: 700; color: var(--color-secondary); font-size: 0.9rem; }

/* --------------------------------------------------------------
   11. STATISTICS
   -------------------------------------------------------------- */
.stats {
  padding: var(--space-2xl) 0;
  background: var(--color-primary-dark);
  color: #fff;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
}
.stat-item { display: flex; flex-direction: column; align-items: center; }
.stat-item__number {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--color-accent-yellow);
  display: inline;
}
.stat-item__suffix {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--color-accent-yellow);
}
.stat-item p { color: rgba(255,255,255,0.8); margin: 0.4rem 0 0; }

/* --------------------------------------------------------------
   12. GALLERY
   -------------------------------------------------------------- */
.gallery { padding: var(--space-2xl) 0; }
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 220px;
  gap: var(--space-md);
}
.gallery__item {
  grid-row: span 1;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.gallery__item--tall { grid-row: span 2; }
.gallery__item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery__item:hover img { transform: scale(1.06); }

/* --------------------------------------------------------------
   13. TESTIMONIALS
   -------------------------------------------------------------- */
.testimonials { padding: var(--space-2xl) 0; background: var(--color-bg-alt); overflow: hidden; }
.testimonials__track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}
.testimonial-card__stars { color: var(--color-accent-yellow); letter-spacing: 2px; margin-bottom: var(--space-sm); }
.testimonial-card p { font-style: italic; color: var(--color-ink); }
.testimonial-card__author { display: flex; align-items: center; gap: var(--space-sm); margin-top: var(--space-md); }
.testimonial-card__author img { border-radius: 50%; }
.testimonial-card__author strong { display: block; font-size: 0.95rem; color: var(--color-primary-dark); }
.testimonial-card__author span { font-size: 0.8rem; color: var(--color-ink-soft); }

.testimonials__dots { display: none; justify-content: center; gap: 0.5rem; margin-top: var(--space-lg); }
.testimonials__dots button {
  width: 9px; height: 9px; border-radius: 50%;
  border: none; background: var(--color-border);
  transition: background var(--transition-base), transform var(--transition-base);
}
.testimonials__dots button.is-active { background: var(--color-secondary); transform: scale(1.25); }

/* --------------------------------------------------------------
   14. LEAD FORM
   -------------------------------------------------------------- */
.lead-form {
  padding: var(--space-2xl) 0;
}
.lead-form__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.lead-form__info { padding-top: var(--space-md); }
.lead-form__perks { margin-top: var(--space-md); }
.lead-form__perks li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}
.lead-form__perks li::before {
  content: '';
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: var(--color-primary);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7.5 12.5l3 3 6-6.5' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7.5 12.5l3 3 6-6.5' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
}

.lead-form__form {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
}
.lead-form__form-title { font-size: 1.3rem; margin-bottom: var(--space-md); }

.form-group { margin-bottom: var(--space-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.4rem; color: var(--color-primary-dark); }
.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--color-bg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(76, 133, 119, 0.12);
  outline: none;
}
.form-group.has-error input,
.form-group.has-error select { border-color: var(--color-error); }
.form-error {
  display: block;
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: 0.3rem;
  min-height: 1em;
}
.lead-form__privacy { font-size: 0.78rem; text-align: center; margin: var(--space-sm) 0 0; }
.lead-form__privacy a { color: var(--color-primary); font-weight: 600; text-decoration: underline; }

.form-success {
  position: absolute;
  inset: 0;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg);
}
.form-success svg { margin-bottom: var(--space-sm); }
.form-success h3 { margin-bottom: 0.4rem; }

/* --------------------------------------------------------------
   15. FAQ
   -------------------------------------------------------------- */
.faq { padding: var(--space-2xl) 0; }
.faq__list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  background: none;
  border: none;
  text-align: left;
  padding: var(--space-md) 0.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
}
.faq-item__icon { flex-shrink: 0; color: var(--color-secondary); transition: transform var(--transition-base); }
.faq-item__question[aria-expanded="true"] .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer {
  padding: 0 0.25rem var(--space-md);
  font-size: 0.95rem;
  animation: faqOpen 0.25s ease;
}
.faq-item__answer p { margin: 0; }
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------
   16. FINAL CTA
   -------------------------------------------------------------- */
.final-cta {
  padding: var(--space-2xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  text-align: center;
}
.final-cta__inner { max-width: 620px; margin: 0 auto; }
.final-cta h2 { color: #fff; }
.final-cta p { color: rgba(255,255,255,0.85); margin-bottom: var(--space-lg); }

/* --------------------------------------------------------------
   17. FOOTER
   -------------------------------------------------------------- */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.85); padding-top: var(--space-2xl); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
}
.footer__col h3 { color: #fff; font-size: 1rem; margin-bottom: var(--space-sm); }
.footer__col ul li { margin-bottom: 0.6rem; }
.footer__col a { font-size: 0.92rem; transition: color var(--transition-base); }
.footer__col a:hover { color: var(--color-accent-yellow); }
.footer__col--brand p { font-size: 0.9rem; margin: var(--space-sm) 0; }
.footer__social { display: flex; gap: 0.6rem; }
.footer__social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition-base);
}
.footer__social a:hover { background: var(--color-secondary); }
.footer__contact li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.88rem; }
.footer__contact svg { flex-shrink: 0; margin-top: 2px; color: var(--color-accent-yellow); }

.footer__bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: var(--space-md) 0; }
.footer__bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-sm); }
.footer__bottom-inner p { margin: 0; font-size: 0.85rem; }
.footer__bottom-inner ul { display: flex; gap: var(--space-md); }
.footer__bottom-inner a { font-size: 0.85rem; }

/* --------------------------------------------------------------
   18. FLOATING ACTIONS & STICKY MOBILE CTA
   -------------------------------------------------------------- */
.floating-actions {
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.floating-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  border: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.floating-btn:hover { transform: scale(1.08) translateY(-2px); box-shadow: var(--shadow-lg); }
.floating-btn--zalo { background: #0068FF; }
.floating-btn--messenger { background: linear-gradient(135deg, #00B2FF, #006AFF); }
.floating-btn--phone { background: var(--color-secondary); animation: pulse 2.4s infinite; }
.floating-btn--top { background: var(--color-primary-dark); }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(232, 128, 74, 0.5), var(--shadow-md); }
  70% { box-shadow: 0 0 0 12px rgba(232, 128, 74, 0), var(--shadow-md); }
  100% { box-shadow: 0 0 0 0 rgba(232, 128, 74, 0), var(--shadow-md); }
}

.sticky-mobile-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 400;
  display: none;
  gap: 0.6rem;
  padding: 0.7rem var(--space-md);
  background: var(--color-surface);
  box-shadow: 0 -6px 20px rgba(43,58,58,0.12);
}
.sticky-mobile-cta__btn {
  flex: 1;
  text-align: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center; gap: 0.4rem;
}
.sticky-mobile-cta__btn--outline { border: 1.5px solid var(--color-primary); color: var(--color-primary-dark); }
.sticky-mobile-cta__btn--primary { background: var(--color-primary); color: #fff; }

/* --------------------------------------------------------------
   19. SCROLL ANIMATIONS
   -------------------------------------------------------------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1.is-visible { transition-delay: 0.1s; }
.delay-2.is-visible { transition-delay: 0.2s; }
.delay-3.is-visible { transition-delay: 0.3s; }