/* ============================================================
   Team Agua Kids — Stylesheet
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary:       #1a3a5c;
  --color-primary-dark:  #122843;
  --color-accent:        #e8a020;
  --color-accent-light:  #fdf3e3;
  --color-text:          #1a1a2e;
  --color-text-muted:    #5a6474;
  --color-bg:            #ffffff;
  --color-bg-alt:        #f7f9fc;
  --color-border:        #e2e8f0;
  --color-white:         #ffffff;

  --font-base: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.07);

  --transition: 200ms ease;

  --header-h:   68px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: 16px;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul { list-style: none; }

address { font-style: normal; }

/* ---------- Accessibility ---------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- Layout Helpers ---------- */
.container {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section {
  padding-block: 5rem;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: .5rem;
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: .75rem;
}

.section-desc {
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-accent);
  color: #1a1a1a;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: #d08e18;
  border-color: #d08e18;
  box-shadow: 0 4px 16px rgba(232,160,32,.35);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-full { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--color-white);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  line-height: 1;
}

.logo-img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  display: block;
}

/* Nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.nav-menu a {
  padding: .45rem .75rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}

.nav-menu a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.nav-cta {
  background: var(--color-accent) !important;
  color: #1a1a1a !important;
  font-weight: 600 !important;
  padding: .45rem 1rem !important;
}

.nav-cta:hover {
  background: #d08e18 !important;
  box-shadow: 0 2px 8px rgba(232,160,32,.3);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(90vh, 700px);
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(26,58,92,.95) 0%, rgba(18,40,67,.85) 60%),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 60px,
      rgba(255,255,255,.02) 60px,
      rgba(255,255,255,.02) 120px
    ),
    var(--color-primary);
  color: var(--color-white);
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: var(--color-bg);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: 4rem;
  max-width: 680px;
}

.hero-label {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.82);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-sub strong { color: var(--color-white); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .875rem;
  margin-bottom: 3rem;
}

.hero .btn-outline {
  color: var(--color-white);
  border-color: rgba(255,255,255,.45);
}

.hero .btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.7);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: .1rem;
}

.stat strong {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.stat span {
  font-size: .8rem;
  color: rgba(255,255,255,.65);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.2);
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.about-text p:last-child { margin-bottom: 0; }
.about-text strong { color: var(--color-text); }

.value-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.value-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.value-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.value-icon {
  font-size: 1.75rem;
  margin-bottom: .625rem;
}

.value-card h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: .375rem;
}

.value-card p {
  font-size: .875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ---------- Groups ---------- */
.groups-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.group-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.group-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.group-card--featured {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
}

.group-badge {
  display: inline-flex;
  align-items: center;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: .3rem .75rem;
  border-radius: 999px;
  width: fit-content;
}

.group-badge--featured {
  background: rgba(232,160,32,.2);
}

.group-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
}

.group-card--featured h3 { color: var(--color-white); }

.group-card h3 span {
  color: var(--color-text-muted);
  font-size: 1rem;
  font-weight: 500;
}

.group-card--featured h3 span { color: rgba(255,255,255,.6); }

.group-card > p {
  color: var(--color-text-muted);
  font-size: .95rem;
}

.group-card--featured > p { color: rgba(255,255,255,.75); }

.group-details {
  display: flex;
  flex-direction: column;
  gap: .625rem;
  flex: 1;
}

.group-details li {
  display: flex;
  align-items: center;
  gap: .625rem;
  font-size: .9rem;
  color: var(--color-text-muted);
}

.group-card--featured .group-details li { color: rgba(255,255,255,.75); }

.group-details svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.group-card--featured .btn-primary:hover {
  background: #d08e18;
}

/* ---------- Schedule ---------- */
.schedule-wrapper {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem;
  align-items: start;
}

.schedule-table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  font-size: .95rem;
}

.schedule-table thead {
  background: var(--color-primary);
  color: var(--color-white);
}

.schedule-table th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 600;
  font-size: .875rem;
}

.schedule-table th small {
  display: block;
  font-weight: 400;
  font-size: .75rem;
  opacity: .75;
  margin-top: 2px;
}

.schedule-table td {
  padding: .875rem 1.25rem;
  color: var(--color-text);
  border-top: 1px solid var(--color-border);
}

.schedule-table tbody tr:hover td {
  background: var(--color-bg-alt);
}

.schedule-table time {
  font-weight: 600;
  color: var(--color-primary);
}

.schedule-location {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  min-width: 240px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.schedule-location h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--color-border);
}

.schedule-location address p {
  font-size: .9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.pricing-card {
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.pricing-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.pricing-card--featured:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
}

.pricing-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem 1rem;
  border-radius: 999px;
  white-space: nowrap;
}

.pricing-freq {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: .125rem;
  line-height: 1;
  color: var(--color-primary);
}

.pricing-currency {
  font-size: 1.5rem;
  font-weight: 700;
  align-self: flex-start;
  margin-top: .25rem;
}

.pricing-amount > :nth-child(2) {
  font-size: 3.5rem;
  font-weight: 800;
}

.pricing-period {
  font-size: .875rem;
  color: var(--color-text-muted);
  margin-left: .25rem;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  flex: 1;
}

.pricing-features li {
  font-size: .9rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: .9rem;
}

/* ---------- Trainer ---------- */
.trainer-card {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.trainer-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 2.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trainer-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: .25rem;
}

.trainer-title {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .875rem;
}

.trainer-info p {
  color: var(--color-text-muted);
  font-size: .95rem;
  margin-bottom: .75rem;
}

.trainer-contact {
  display: inline-flex;
  gap: .5rem;
  margin-top: .25rem;
}

.trainer-contact svg { width: 18px; height: 18px; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon--wa { background: #25d366; }

.contact-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-white);
}

.contact-label {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-text-muted);
  margin-bottom: .2rem;
}

.contact-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  display: block;
}

a.contact-value:hover { color: var(--color-accent); }

.contact-note {
  font-size: .8rem;
  color: var(--color-text-muted);
  margin-top: .15rem;
}

/* Contact Form */
.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .375rem;
}

.form-group label {
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group label span { color: var(--color-accent); }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: .625rem .875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-base);
  font-size: .95rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,58,92,.12);
}

.form-group textarea { resize: vertical; min-height: 90px; }

.form-note {
  font-size: .8rem;
  color: var(--color-text-muted);
  text-align: center;
}

.form-alert {
  padding: .875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  line-height: 1.5;
}

.form-alert--success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.form-alert--error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,.75);
  padding-top: 3rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-logo-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin-bottom: .625rem;
}

.footer-brand p {
  font-size: .875rem;
  line-height: 1.6;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.footer-nav a {
  font-size: .9rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}

.footer-nav a:hover { color: var(--color-white); }

.footer-contact p {
  font-size: .9rem;
  margin-bottom: .375rem;
}

.footer-contact a {
  color: rgba(255,255,255,.75);
  transition: color var(--transition);
}

.footer-contact a:hover { color: var(--color-white); }

.footer-bottom {
  padding-block: 1.25rem;
}

.footer-bottom p {
  font-size: .8rem;
  color: rgba(255,255,255,.45);
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .value-cards { grid-template-columns: 1fr 1fr; }
  .groups-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-inline: auto; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-3px); }
  .schedule-wrapper { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .trainer-card { flex-direction: column; text-align: center; }
  .trainer-contact { justify-content: center; }
}

@media (max-width: 640px) {
  :root { --header-h: 60px; }

  .section { padding-block: 3.5rem; }

  /* Mobile Nav */
  .nav-toggle { display: flex; }

  .nav-menu {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    gap: .25rem;
  }

  .nav-menu.is-open { display: flex; }

  .nav-menu a {
    padding: .75rem 1rem;
    font-size: 1rem;
    text-align: center;
  }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }

  .hero-stats { gap: 1rem; }
  .stat strong { font-size: 1.4rem; }

  .value-cards { grid-template-columns: 1fr; }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ---------- Floating WhatsApp Button ---------- */
.whatsapp-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: .625rem;
  background: #25d366;
  color: var(--color-white);
  padding: .75rem 1.25rem .75rem .875rem;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-fab:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 28px rgba(37,211,102,.5);
  color: var(--color-white);
}

.whatsapp-fab svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .whatsapp-fab-label { display: none; }
  .whatsapp-fab { padding: .875rem; bottom: 1rem; right: 1rem; }
}