/* ==========================================================================
   Fusha Lab Academy — Stylesheet
   Structure: 1. Tokens  2. Base  3. Layout  4. Header  5. Hero
              6. Programs  7. Why  8. Reviews  9. CTA band  10. Footer
              11. Utilities  12. Responsive
   ========================================================================== */

/* 1. TOKENS ---------------------------------------------------------------- */
:root{
  --navy:        #0B2A4A;   /* deep navy from logo mark */
  --blue:        #1C6EA0;   /* mid blue from logo gradient */
  --blue-dark:   #0F4A73;
  --blue-tint:   #EAF3FB;
  --sky:         #4FB9E3;   /* light blue/sky accent from logo gradient */
  --white:       #FFFFFF;
  --ink:         #0B2A4A;
  --ink-soft:    #4A5A6A;
  --border:      #DCE6EF;

  --font-head: 'Lora', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius: 10px;
  --wrap: 1140px;
  --shadow: 0 4px 16px rgba(14,42,71,0.06);
}

/* 2. BASE -------------------------------------------------------------------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
h1, h2, h3{
  font-family: var(--font-head);
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 .5em;
  font-weight: 600;
}
h1{ font-size: clamp(2rem, 4vw + 1rem, 3.1rem); }
h2{ font-size: clamp(1.6rem, 2.4vw + 1rem, 2.2rem); text-align: center; }
p{ margin: 0 0 1em; color: var(--ink-soft); }

.skip-link{
  position: absolute; left: -999px; top: 0;
  background: var(--navy); color: var(--white); padding: 10px 16px; z-index: 200;
}
.skip-link:focus{ left: 10px; top: 10px; }

:focus-visible{ outline: 3px solid var(--sky); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* 3. LAYOUT ------------------------------------------------------------------ */
.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}
.section{ padding: 72px 0; }
.section-tint{ background: var(--blue-tint); }
.section-lede{
  text-align: center;
  max-width: 620px;
  margin: -8px auto 40px;
  font-size: 1.05rem;
}
.edit-note{ color: var(--sky); font-style: italic; }

/* 4. HEADER ------------------------------------------------------------------ */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(160%) blur(6px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.scrolled{
  background: rgba(255,255,255,0.98);
  box-shadow: 0 4px 18px rgba(11,42,74,0.08);
}
.header-inner{
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; height: 72px;
}
.logo{ display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-badge{
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%; background: var(--white);
  box-shadow: 0 1px 4px rgba(11,42,74,0.18); flex-shrink: 0;
}
.logo-badge img{ width: 26px; height: auto; }
.logo-badge-lg{ width: 46px; height: 46px; }
.logo-badge-lg img{ width: 30px; }
.logo-text{
  font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; color: var(--navy);
}
.logo-text em{ font-style: normal; color: var(--blue); }
.logo-text.light{ color: var(--white); }
.logo-text.light em{ color: var(--sky); }

.main-nav{ display: flex; gap: 28px; margin-left: auto; margin-right: 28px; }
.main-nav a{
  font-weight: 500; font-size: 0.95rem; color: var(--ink);
  padding: 6px 2px; border-bottom: 2px solid transparent;
}
.main-nav a:hover{ border-color: var(--sky); }

.nav-toggle{
  display: none; width: 40px; height: 40px; background: none; border: none;
  flex-direction: column; justify-content: center; gap: 5px; cursor: pointer;
}
.nav-toggle span{ display: block; width: 22px; height: 2px; background: var(--navy); margin: 0 auto; }

/* 5. HERO --------------------------------------------------------------------- */
.hero{ padding: 64px 0 56px; background: linear-gradient(180deg, var(--blue-tint) 0%, var(--white) 100%); }
.hero-inner{ display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.eyebrow{
  font-family: var(--font-body); font-weight: 700; font-size: 0.78rem;
  color: var(--blue-dark); margin-bottom: 14px;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.eyebrow-center{ text-align: center; }
.hero-sub{ font-size: 1.1rem; max-width: 46ch; }

.country-chips{ display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; }
.country-chip{
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; font-weight: 600; color: var(--blue-dark);
  background: var(--blue-tint); border: 1px solid var(--border);
  border-radius: 20px; padding: 5px 12px;
}
.country-chip svg{ color: var(--blue); flex-shrink: 0; }

.hero-actions{ display: flex; gap: 14px; flex-wrap: wrap; margin: 24px 0 24px; }
.hero-trust{ display: flex; gap: 22px; flex-wrap: wrap; }
.hero-trust li{
  font-size: 0.9rem; font-weight: 500; color: var(--navy);
  padding-left: 20px; position: relative;
}
.hero-trust li::before{
  content: ""; position: absolute; left: 0; top: 6px;
  width: 10px; height: 10px; border-radius: 50%; background: var(--sky);
}
.hero-visual{ display: flex; justify-content: center; }
.arch-art{ width: 100%; max-width: 300px; }

/* 6. BUTTONS ------------------------------------------------------------------- */
.btn{
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 0.95rem;
  padding: 13px 24px; border-radius: 8px; border: 2px solid transparent;
  cursor: pointer; transition: transform .12s ease, background .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--blue); color: var(--white); }
.btn-primary:hover{ background: var(--blue-dark); }
.btn-ghost{ background: transparent; border-color: var(--navy); color: var(--navy); }
.btn-ghost:hover{ background: var(--navy); color: var(--white); }
.btn-lg{ padding: 15px 30px; font-size: 1rem; }
.btn-sm{ padding: 9px 16px; font-size: 0.85rem; }
.icon-wa{ flex-shrink: 0; transition: transform .2s ease; }
.btn:hover .icon-wa{ transform: scale(1.12) rotate(-6deg); }

/* 7. PROGRAMS (alternating image/text rows) ------------------------------------- */
.program-rows{ display: flex; flex-direction: column; gap: 64px; }
.program-row{
  display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center;
}
.program-row-media{ order: 1; }
.program-row-content{ order: 2; }
.program-row-reverse .program-row-media{ order: 2; }
.program-row-reverse .program-row-content{ order: 1; }

.program-row-media img{
  width: 100%; height: 340px; object-fit: cover; display: block;
  border-radius: var(--radius); box-shadow: 0 16px 32px rgba(11,42,74,0.14);
}

.program-row-content h3{ margin-bottom: 6px; font-size: 1.4rem; }
.program-tagline{ font-size: 0.98rem; color: var(--blue-dark); font-weight: 500; margin-bottom: 14px; }
.program-row-content > p{ font-size: 0.95rem; }

.program-feature-list{ margin: 4px 0 18px; }
.program-feature-list li{ padding: 10px 0; border-top: 1px solid var(--border); }
.program-feature-list li:first-child{ border-top: none; padding-top: 0; }
.program-feature-list h4{
  font-family: var(--font-body); font-size: 0.96rem; font-weight: 600;
  color: var(--navy); margin: 0 0 2px;
}
.program-feature-list p{ font-size: 0.87rem; margin: 0; color: var(--ink-soft); }

.program-tags{ display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.program-tags li{
  font-size: 0.76rem; font-weight: 600; color: var(--blue-dark);
  background: var(--blue-tint); border-radius: 20px; padding: 5px 12px;
}
.program-note{
  font-family: var(--font-head); font-style: italic; color: var(--navy);
  font-size: 0.92rem; margin: 0; padding-top: 14px; border-top: 1px solid var(--border);
}

/* 7b. PRICING -------------------------------------------------------------------- */
.pricing-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.price-card{
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px 26px; text-align: center;
  transition: transform .2s ease, box-shadow .2s ease;
}
.price-card:hover{ transform: translateY(-5px); box-shadow: 0 14px 28px rgba(11,42,74,0.10); }
.price-card h3{ font-size: 1.3rem; margin-bottom: 4px; }
.price-plan-tagline{ font-size: 0.88rem; color: var(--ink-soft); margin-bottom: 18px; }
.price-row{
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 9px 0; border-top: 1px solid var(--border); font-size: 0.92rem; color: var(--ink-soft);
}
.price-row:first-of-type{ border-top: none; }
.price-row strong{ color: var(--navy); font-size: 1.05rem; }
.price-row strong em{ font-style: normal; font-size: 0.78rem; color: var(--ink-soft); font-weight: 500; }
.price-monthly{
  margin: 14px 0; padding: 12px; background: var(--blue-tint); border-radius: 8px;
  font-size: 0.85rem; color: var(--navy);
}
.price-monthly strong{ font-size: 0.95rem; }
.price-monthly em{ font-style: normal; color: var(--ink-soft); }
.price-meta{ margin: 0 0 22px; }
.price-meta li{ font-size: 0.85rem; color: var(--ink-soft); padding: 3px 0; }
.price-card .btn{ width: 100%; justify-content: center; }

.price-card-featured{
  background: var(--navy); border-color: var(--navy); position: relative;
  transform: translateY(-8px); box-shadow: 0 12px 28px rgba(11,42,74,0.18);
}
.price-card-featured:hover{ transform: translateY(-12px); box-shadow: 0 18px 34px rgba(11,42,74,0.24); }
.price-card-featured h3,
.price-card-featured .price-row strong{ color: var(--white); }
.price-card-featured .price-plan-tagline,
.price-card-featured .price-row,
.price-card-featured .price-meta li{ color: #C7D5E3; }
.price-card-featured .price-row{ border-top-color: rgba(255,255,255,0.15); }
.price-card-featured .price-monthly{ background: rgba(255,255,255,0.08); color: var(--white); }
.price-card-featured .price-monthly em{ color: #C7D5E3; }
.price-badge{
  display: inline-block; background: var(--sky); color: var(--navy);
  font-size: 0.72rem; font-weight: 700; padding: 4px 12px; border-radius: 20px;
  margin-bottom: 10px;
}
.price-card-featured .btn-primary{ background: var(--sky); color: var(--navy); }
.price-card-featured .btn-primary:hover{ background: var(--white); }

/* 8. WHY -------------------------------------------------------------------- */
.why-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 32px; }
.why-item{
  padding: 6px; border-radius: var(--radius);
  transition: transform .2s ease, box-shadow .2s ease;
}
.why-item:hover{ transform: translateY(-4px); box-shadow: 0 10px 22px rgba(11,42,74,0.08); }
.why-item h3{ font-size: 1.1rem; margin-bottom: 8px; }
.why-item p{ font-size: 0.95rem; margin: 0; }

/* 9. REVIEWS ------------------------------------------------------------------ */
.review-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card{
  margin: 0; background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.review-card:hover{ transform: translateY(-5px); box-shadow: 0 14px 28px rgba(11,42,74,0.12); }
.review-stars{ color: var(--sky); font-size: 0.95rem; margin-bottom: 10px; letter-spacing: 2px; }
.review-card blockquote{
  margin: 0 0 14px; font-family: var(--font-head); font-style: italic;
  color: var(--navy); font-size: 1.02rem; line-height: 1.55;
}
.review-card figcaption{ font-size: 0.85rem; color: var(--ink-soft); font-weight: 500; }

/* 10. CTA BAND ------------------------------------------------------------------ */
.cta-band{ background: var(--navy); padding: 64px 0; }
.cta-band-inner{ text-align: center; max-width: 560px; }
.cta-band h2{ color: var(--white); }
.cta-band p{ color: #C7D5E3; }
.cta-checklist{
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 20px;
  margin: 4px 0 28px;
}
.cta-checklist li{
  font-size: 0.88rem; font-weight: 500; color: var(--white);
  padding-left: 20px; position: relative;
}
.cta-checklist li::before{
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--sky); font-weight: 700;
}

/* 11. FOOTER ------------------------------------------------------------------ */
.site-footer{ background: var(--navy); border-top: 1px solid rgba(255,255,255,0.1); padding-top: 40px; }
.footer-inner{
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 20px; padding-bottom: 28px;
}
.footer-brand p{ color: #9FB3C8; font-size: 0.9rem; margin: 6px 0 0; }
.footer-contact a{ color: #9FB3C8; }
.footer-contact a:hover{ color: var(--white); }
.footer-social{ display: flex; gap: 12px; }
.footer-social-icon{
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.08); color: #C7D5E3;
  transition: background .15s ease, color .15s ease, transform .15s ease;
}
.footer-social-icon:hover{ background: var(--sky); color: var(--navy); transform: translateY(-2px); }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 0;
}
.footer-bottom p{ margin: 0; color: #7E93A8; font-size: 0.82rem; text-align: center; }

/* 12. WHATSAPP CTA (floating button + subtle pulse) ----------------------------- */
.wa-float{
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--blue); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(11,42,74,0.28);
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.wa-float svg{ position: relative; z-index: 1; }
.wa-float:hover{
  background: var(--blue-dark); transform: translateY(-2px) scale(1.05);
  box-shadow: 0 10px 22px rgba(11,42,74,0.34);
}
.wa-float::before{
  content: ""; position: absolute; inset: 0; border-radius: 50%; z-index: 0;
  background: var(--blue); opacity: 0.45;
  animation: wa-ring 2.6s ease-out infinite;
}
@keyframes wa-ring{
  0%{ transform: scale(1); opacity: 0.35; }
  100%{ transform: scale(1.55); opacity: 0; }
}

.btn-wa-pulse{ animation: wa-btn-pulse 4.5s ease-in-out infinite; }
@keyframes wa-btn-pulse{
  0%, 92%, 100%{ transform: scale(1); }
  95%{ transform: scale(1.035); }
}

/* 13. SCROLL REVEAL ANIMATIONS --------------------------------------------------- */
/* Elements only get the hidden starting state once JS confirms IntersectionObserver
   support and the user hasn't requested reduced motion — see js/script.js.
   No-JS visitors always see full content immediately. */
.reveal-init{ opacity: 0; transform: translateY(22px); }
.reveal-init.reveal-in{
  opacity: 1; transform: none;
  transition: opacity .6s ease, transform .6s ease;
}
.reveal-init.reveal-right{ transform: translateX(28px); }
.reveal-init.reveal-right.reveal-in{ transform: none; }

.img-reveal.reveal-init img{ opacity: 0; transform: scale(1.05); }
.img-reveal.reveal-init.reveal-in img{
  opacity: 1; transform: scale(1);
  transition: opacity .7s ease, transform .7s ease;
}

/* Staggered entrance for card grids */
.stagger > .reveal-init:nth-child(1){ transition-delay: 0ms; }
.stagger > .reveal-init:nth-child(2){ transition-delay: 90ms; }
.stagger > .reveal-init:nth-child(3){ transition-delay: 180ms; }
.stagger > .reveal-init:nth-child(4){ transition-delay: 270ms; }
.stagger > .reveal-init:nth-child(5){ transition-delay: 360ms; }
.stagger > .reveal-init:nth-child(6){ transition-delay: 450ms; }

/* 14. RESPONSIVE --------------------------------------------------------------- */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order: -1; max-width: 220px; margin: 0 auto; }
  .why-grid, .review-grid, .pricing-grid{ grid-template-columns: 1fr 1fr; }
  .price-card-featured{ transform: none; }
  .price-card-featured:hover{ transform: translateY(-4px); }
  .program-row, .program-row-reverse{ grid-template-columns: 1fr; gap: 28px; }
  .program-row-media, .program-row-reverse .program-row-media,
  .program-row-content, .program-row-reverse .program-row-content{ order: initial; }
  .program-row-media img{ height: 260px; }
}

@media (max-width: 720px){
  .main-nav{ display: none; }
  .nav-toggle{ display: flex; }
  .site-header.nav-open .main-nav{
    display: flex; flex-direction: column; position: absolute;
    top: 72px; left: 0; right: 0; background: var(--white);
    border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 16px;
  }
  .why-grid, .pricing-grid{ grid-template-columns: 1fr; }
  .section{ padding: 56px 0; }
  .header-inner .btn-sm{ display: none; }
  .wa-float{ width: 48px; height: 48px; right: 16px; bottom: 16px; }
  .wa-float svg{ width: 22px; height: 22px; }
  .cta-checklist{ gap: 8px 16px; }

  /* Testimonials: swipeable one-at-a-time carousel on mobile only.
     Desktop keeps the 3-card grid defined above. Native scroll-snap —
     no JS needed, so it degrades gracefully with no dependency. */
  .review-grid{
    display: flex; grid-template-columns: none; overflow-x: auto;
    scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
    gap: 16px; padding: 4px 4px 12px; margin: 0 -4px;
    scrollbar-width: thin;
  }
  .review-card{ flex: 0 0 86%; scroll-snap-align: center; }
}

@media (max-width: 420px){
  .hero-actions{ flex-direction: column; }
  .hero-actions .btn{ width: 100%; justify-content: center; }
  .country-chips{ gap: 6px; }
}