/* Fonts: Headings - Montserrat, Body - Poppins */
:root {
  --blue-900: #0a2540;
  --blue-800: #0f3b66;
  --blue-700: #155b8a;
  --aqua-500: #2bb5c5;
  --teal-500: #14919b;
  --yellow-500: #ffd338;
  --sky-50: #f0f7fb;
  --text: #0e1b2a;
  --muted: #5b6b7a;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(10, 37, 64, 0.15);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --container: 1120px;
  --ease-spring: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 37, 64, 0.6);
  backdrop-filter: blur(8px);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; padding: 0.8rem 0; }
.logo { display: inline-flex; align-items: center; text-decoration: none; }
.logo img { height: 72px; width: auto; display: block; filter: drop-shadow(0 2px 6px rgba(0,0,0,0.25)); }
.nav-list { list-style: none; display: flex; gap: 0.6rem; margin: 0; padding: 0; }
.nav-list a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  line-height: 1;
  transition: background-color .2s ease, color .2s ease;
}
.nav-list a:hover { background: rgba(255,255,255,0.12); color: var(--white); }
.nav-list a[aria-current="page"] {
  background: var(--yellow-500);
  color: #1b2a3a;
}
.nav-toggle { display: none; background: transparent; border: 0; color: var(--white); }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); margin: 5px 0; }

/* Hero */
.hero { position: relative; min-height: 92vh; display: grid; align-items: end; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,37,64,0.35) 0%, rgba(10,37,64,0.65) 60%, rgba(10,37,64,0.85) 100%); }
.hero-content { position: relative; padding: 18vh 0 8vh; text-align: left; color: var(--white); }
.hero h1 { font-family: 'Montserrat', sans-serif; font-size: clamp(2rem, 4vw + 1rem, 3.5rem); line-height: 1.15; margin: 0 0 0.8rem; }
.hero h1 span { color: var(--yellow-500); }
.hero p { max-width: 60ch; margin: 0 0 1.4rem; color: #ddedf6; }
.hero-ctas { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.btn { display: inline-block; padding: 0.8rem 1.2rem; border-radius: 999px; text-decoration: none; font-weight: 600; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-primary { background: var(--yellow-500); color: #1b2a3a; }
.btn-secondary { background: rgba(255,255,255,0.18); color: var(--white); border: 1px solid rgba(255,255,255,0.4); }
.btn-lg { padding: 1rem 1.4rem; font-size: 1.05rem; }

.wave-divider svg { display: block; width: 100%; height: 70px; fill: var(--white); }

/* Sections */
.section { padding: 4.5rem 0; }
.section h2 { font-family: 'Montserrat', sans-serif; font-size: clamp(1.6rem, 1.1rem + 2vw, 2.2rem); margin: 0 0 1.2rem; color: var(--blue-900); }

/* Benefits */
.benefits { background: var(--sky-50); }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.benefit-card { background: var(--white); border-radius: var(--radius-lg); padding: 1.2rem; box-shadow: var(--shadow); }
.benefit-card .icon { font-size: 1.6rem; }
.benefit-card h3 { margin: 0.6rem 0 0.2rem; font-size: 1.1rem; }
.benefit-card p { margin: 0; color: var(--muted); }

/* EDS */
.eds { background: linear-gradient(180deg, #f3fbfe, #ffffff); }
.eds-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 1.6rem; align-items: center; }
.eds-text p { color: var(--muted); max-width: 60ch; }
.eds-media .mock-video { position: relative; overflow: hidden; border-radius: var(--radius-lg); box-shadow: var(--shadow); cursor: pointer; }
.eds-media img { display: block; width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/9; filter: saturate(1.05) contrast(1.02); }
.mock-video .play-icon { position: absolute; inset: 0; margin: auto; width: 72px; height: 72px; background: rgba(10,37,64,0.75); color: var(--white); border-radius: 50%; display: grid; place-items: center; font-size: 28px; }
.mock-caption { position: absolute; left: 12px; bottom: 12px; background: rgba(10,37,64,0.7); color: var(--white); padding: 6px 10px; border-radius: 999px; font-size: 0.9rem; }

/* Gallery */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.gallery-item { position: relative; overflow: hidden; border-radius: var(--radius-md); box-shadow: var(--shadow); cursor: pointer; }
.gallery-item img { display: block; width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item figcaption { position: absolute; left: 10px; bottom: 10px; background: rgba(10,37,64,0.7); color: var(--white); padding: 4px 10px; border-radius: 999px; font-size: 0.9rem; }
.play-overlay { position: absolute; inset: 0; display: grid; place-items: center; color: var(--white); font-size: 34px; opacity: 0; transition: opacity 0.25s var(--ease-spring), transform 0.25s var(--ease-spring), background 0.25s ease; background: radial-gradient(circle, rgba(0,0,0,0.0), rgba(0,0,0,0.25)); }
.gallery-item:hover .play-overlay { opacity: 1; background: radial-gradient(circle, rgba(0,0,0,0.05), rgba(0,0,0,0.35)); transform: scale(1.02); }

@media (prefers-reduced-motion: no-preference) {
  .gallery-item { transition: transform .25s var(--ease-spring), box-shadow .25s var(--ease-spring); }
  .gallery-item::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; box-shadow: inset 0 0 0 0 rgba(43,181,197,0); transition: box-shadow .25s var(--ease-spring); }
  .gallery-item:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(10,37,64,.18); }
  .gallery-item:hover::after { box-shadow: inset 0 0 0 2px rgba(43,181,197,.6); }
}

/* Keyboard focus visibility */
.gallery-item:focus-within { outline: none; }
.gallery-item:focus-within::after { box-shadow: inset 0 0 0 3px rgba(255,211,56,.9); }

/* Testimonials */
.testimonials { 
  background: linear-gradient(180deg, var(--sky-50) 0%, #e8f4f8 100%);
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(43, 181, 197, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.testimonials h2 {
  text-align: center;
  margin-bottom: 2.5rem;
  position: relative;
}

.carousel { 
  position: relative; 
  max-width: 900px;
  margin: 0 auto;
  padding: 0 60px;
}

.carousel-track { 
  display: flex; 
  gap: 1.5rem; 
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: visible;
}

.testimonial { 
  background: var(--white); 
  border-radius: var(--radius-lg); 
  padding: 2rem; 
  min-width: 100%;
  box-shadow: 0 8px 30px rgba(10, 37, 64, 0.12);
  position: relative;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.testimonial:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(10, 37, 64, 0.18);
  border-color: rgba(43, 181, 197, 0.3);
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 4rem;
  font-family: Georgia, serif;
  color: rgba(43, 181, 197, 0.15);
  line-height: 1;
}

.testimonial p { 
  margin: 1rem 0 1.5rem; 
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text);
  font-style: italic;
  position: relative;
  z-index: 1;
}

.testimonial footer { 
  color: var(--teal-500);
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.testimonial footer::before {
  content: '';
  width: 40px;
  height: 2px;
  background: var(--aqua-500);
}

.carousel-control { 
  position: absolute; 
  top: 50%; 
  transform: translateY(-50%); 
  background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-700) 100%);
  color: var(--white); 
  border: 0; 
  width: 44px; 
  height: 44px; 
  border-radius: 50%; 
  cursor: pointer; 
  display: grid; 
  place-items: center;
  font-size: 24px;
  box-shadow: 0 4px 12px rgba(10, 37, 64, 0.3);
  transition: all 0.3s ease;
  z-index: 10;
}

.carousel-control:hover {
  background: linear-gradient(135deg, var(--aqua-500) 0%, var(--teal-500) 100%);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 16px rgba(43, 181, 197, 0.4);
}

.carousel-control:active {
  transform: translateY(-50%) scale(0.95);
}

.carousel-control.prev { left: 0; }
.carousel-control.next { right: 0; }

/* Carousel dots indicator */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(10, 37, 64, 0.2);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dot.active {
  background: var(--aqua-500);
  width: 30px;
  border-radius: 5px;
}

.carousel-dot:hover {
  background: var(--teal-500);
}

@media (max-width: 720px) {
  .carousel {
    padding: 0 50px;
  }
  
  .carousel-control {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  
  .testimonial {
    padding: 1.5rem;
  }
  
  .testimonial::before {
    font-size: 3rem;
  }
}

/* Final CTA */
.final-cta { position: relative; color: var(--white); padding: 0; }
.final-cta-bg { position: absolute; inset: 0; background: url('https://images.pexels.com/photos/257896/pexels-photo-257896.jpeg?auto=compress&cs=tinysrgb&w=1600') center/cover no-repeat; filter: saturate(1.05) contrast(1.05); }
.final-cta::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,37,64,0.65), rgba(10,37,64,0.75)); }
.final-cta-content { position: relative; padding: 5rem 0; text-align: center; }
.final-cta h2 { color: var(--white); margin: 0 0 0.6rem; }
.final-cta p { color: #dbeaf5; margin: 0 0 1rem; }

/* Footer */
.site-footer { background: var(--blue-900); color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; padding: 2.2rem 0; }
.site-footer a { color: var(--yellow-500); text-decoration: none; }
.socials { display: flex; gap: 0.6rem; margin-top: 0.6rem; }
.social { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.1); color: var(--white); }
.contact-form { background: rgba(255,255,255,0.06); padding: 1rem; border-radius: var(--radius-md); }
.form-row { display: grid; gap: 0.3rem; margin-bottom: 0.8rem; }
label { font-size: 0.9rem; }
input, textarea { width: 100%; padding: 0.7rem 0.8rem; border-radius: 8px; border: 1px solid rgba(255,255,255,0.25); background: rgba(255,255,255,0.12); color: var(--white); }
input::placeholder, textarea::placeholder { color: rgba(255,255,255,0.6); }

/* Contact page form overrides */
.section .contact-form { background: var(--sky-50); }
.section .contact-form h3 { color: var(--blue-900); }
.section .contact-form label { color: var(--text); }
.section .contact-form input,
.section .contact-form textarea { 
  background: var(--white); 
  color: var(--text); 
  border: 1px solid #d0d7de;
}
.section .contact-form input::placeholder,
.section .contact-form textarea::placeholder { 
  color: var(--muted); 
}
.section .contact-form input:focus,
.section .contact-form textarea:focus { 
  outline: 2px solid var(--aqua-500);
  border-color: var(--aqua-500);
}

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); text-align: center; padding: 0.8rem 0; color: #cfe0ef; }

/* Animations */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease-spring), transform .6s var(--ease-spring); }
  .reveal.is-visible { opacity: 1; transform: translateY(0); }

  .reveal-up { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease-spring), transform .7s var(--ease-spring); }
  .reveal-up.is-visible { opacity: 1; transform: translateY(0); }

  .reveal-fade { opacity: 0; transition: opacity .8s var(--ease-spring); }
  .reveal-fade.is-visible { opacity: 1; }

  .hero .hero-content { animation: fadeUp .9s var(--ease-spring) both .1s; }
  .benefit-card { position: relative; transition: transform .25s var(--ease-spring), box-shadow .25s var(--ease-spring), background .25s ease; }
  .benefit-card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(10,37,64,.18); }
  .benefit-card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; box-shadow: inset 0 0 0 0 rgba(43,181,197,0); transition: box-shadow .25s var(--ease-spring); }
  .benefit-card:hover::after { box-shadow: inset 0 0 0 2px rgba(43,181,197,.65); }
  .benefit-card .icon { transition: transform .25s var(--ease-spring), color .25s ease; }
  .benefit-card:hover .icon { transform: translateY(-2px) scale(1.12); color: var(--teal-500); }
  .gallery-item:hover img { transform: scale(1.06) rotate(.2deg); }

  .site-header { transition: background-color .3s ease, backdrop-filter .3s ease; }
  .site-header.scrolled { background: rgba(10, 37, 64, 0.8); backdrop-filter: blur(10px); }

  .modal { opacity: 0; pointer-events: none; transition: opacity .25s ease; }
  .modal.open { opacity: 1; pointer-events: auto; }
  .modal-dialog { transform: translateY(12px); transition: transform .25s var(--ease-spring); }
  .modal.open .modal-dialog { transform: translateY(0); }
}

@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

/* Instructors */
.instructor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.instructor-card { perspective: 1000px; }
.instructor-card-inner {
  position: relative;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}
.instructor-card:hover .instructor-card-inner {
  transform: rotateY(10deg) rotateX(-5deg) scale(1.05);
}
.instructor-card img { 
  width: 100%; 
  display: block; 
  border-radius: 12px; 
  aspect-ratio: 4 / 3; 
  object-fit: cover; 
  object-position: center;
  box-shadow: 0 10px 30px rgba(10, 37, 64, 0.2);
  transition: box-shadow 0.6s ease, transform 0.6s ease;
}
.instructor-card:hover img {
  box-shadow: 0 20px 60px rgba(10, 37, 64, 0.35);
}
.instructor-card img.coach-john { object-position: 50% 35%; }
.instructor-card h3 { 
  margin: 0.6rem 0 0.2rem; 
  transition: color 0.3s ease;
}
.instructor-card:hover h3 {
  color: var(--aqua-500);
}
.instructor-card p { 
  margin: 0.2rem 0;
  transition: transform 0.3s ease;
}
.instructor-card:hover p {
  transform: translateX(5px);
}

/* Responsive layout for instructors */
@media (max-width: 960px) {
  .instructor-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .instructor-grid { grid-template-columns: 1fr; }
  .instructor-card img { aspect-ratio: 3 / 4; }
  .instructor-card h3 { font-size: 1.25rem; }
  .instructor-card { padding: 1.4rem; }
}

/* Responsive */
@media (max-width: 960px) {
  .benefit-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .eds-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-list { position: absolute; right: 1rem; top: 56px; background: rgba(10,37,64,0.95); padding: 0.8rem; border-radius: 12px; flex-direction: column; gap: 0.6rem; display: none; }
  .nav-list.open { display: flex; }
  .benefit-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .logo img { height: 56px; }
}


/* Modal layout (fixed overlay, removed from document flow) */
.modal { position: fixed; inset: 0; display: grid; place-items: center; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.55); }
.modal-dialog { position: relative; width: min(92vw, 960px); background: #000; border-radius: 12px; overflow: hidden; }
.modal-body video { display: block; width: 100%; height: auto; }
.modal-close { position: absolute; top: 8px; right: 8px; width: 36px; height: 36px; border-radius: 50%; border: 0; cursor: pointer; background: rgba(255,255,255,0.15); color: #fff; }

/* Pricing Page Effects */
.pricing-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--white) 0%, #f8fbfd 100%);
  border: 2px solid transparent;
  transition: all 0.4s var(--ease-spring);
}

.pricing-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(43, 181, 197, 0.1), transparent);
  transition: left 0.6s ease;
}

.pricing-card:hover::before {
  left: 100%;
}

.pricing-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 24px 56px rgba(10, 37, 64, 0.25), 0 0 0 3px var(--aqua-500);
  border-color: var(--aqua-500);
  background: linear-gradient(135deg, #ffffff 0%, #e8f7f9 100%);
}

.pricing-card .icon {
  animation: float 3s ease-in-out infinite;
}

.pricing-card:hover .icon {
  animation: bounce 0.6s ease;
  transform: scale(1.2);
}

.pricing-card:nth-child(2) {
  background: linear-gradient(135deg, #fff9e6 0%, #fffbf0 100%);
  border-color: rgba(255, 211, 56, 0.3);
}

.pricing-card:nth-child(2):hover {
  background: linear-gradient(135deg, #fff4cc 0%, #fff9e6 100%);
  border-color: var(--yellow-500);
  box-shadow: 0 24px 56px rgba(255, 211, 56, 0.3), 0 0 0 3px var(--yellow-500);
}

.pricing-card:nth-child(3) {
  background: linear-gradient(135deg, #f0f7fb 0%, #e8f2f7 100%);
  border-color: rgba(20, 145, 155, 0.3);
}

.pricing-card:nth-child(3):hover {
  background: linear-gradient(135deg, #e0f2f7 0%, #d4ecf2 100%);
  border-color: var(--teal-500);
  box-shadow: 0 24px 56px rgba(20, 145, 155, 0.3), 0 0 0 3px var(--teal-500);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes bounce {
  0%, 100% { transform: scale(1.2) translateY(0); }
  50% { transform: scale(1.3) translateY(-10px); }
}

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.pricing-card .btn {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.pricing-card .btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.pricing-card .btn:hover::before {
  width: 300px;
  height: 300px;
}

.pricing-card .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(10, 37, 64, 0.3);
}

/* WhatsApp Button Styles */
.wabtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999999;
}

.wabtn a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: linear-gradient(135deg, #00E785 0%, #00c46a 100%);
  color: #ffffff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(0, 231, 133, 0.4);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: wa-pulse 3s ease-in-out infinite;
}

.wabtn a:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 35px rgba(0, 231, 133, 0.5);
  animation: none;
}

.wabtn a:active {
  transform: translateY(-1px) scale(1.02);
}

.wabtn svg {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  transition: transform 0.3s ease;
}

.wabtn a:hover svg {
  transform: rotate(15deg) scale(1.1);
}

.wa-text {
  font-size: 15px;
  font-weight: 600;
  display: none;
}

.wabtn a:hover .wa-text {
  display: inline;
  animation: slide-in 0.3s ease;
}

/* Tooltip */
.wabtn a::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 15px);
  right: 0;
  background: #1f2937;
  color: #ffffff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.wabtn a::after {
  content: '';
  position: absolute;
  bottom: calc(100% + 7px);
  right: 20px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid #1f2937;
  opacity: 0;
  transition: all 0.3s ease;
}

.wabtn a:hover::before,
.wabtn a:hover::after {
  opacity: 1;
  transform: translateY(0);
}

@keyframes wa-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 8px 25px rgba(0, 231, 133, 0.4);
  }
  50% {
    transform: scale(1.08);
    box-shadow: 0 12px 35px rgba(0, 231, 133, 0.6);
  }
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Mobile responsive */
@media (max-width: 640px) {
  .wabtn {
    bottom: 15px;
    right: 15px;
  }
  
  .wabtn a {
    padding: 10px 15px;
  }
  
  .wabtn svg {
    width: 32px;
    height: 32px;
  }
  
  .wabtn a::before {
    display: none;
  }
}