/* ==========================================================================
   ADIR – Academia Desportiva Idade Real
   Main Stylesheet - Professional Design System
   Domain: adirclub.com
   Refactored for organic, cohesive visual language
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* ==========================================================================
     ORGANIC BRAND PALETTE - Professional & Humanistic
     No generic AI patterns - designed for emotional connection
     ========================================================================== */

  /* Primary Brand - Deep Orchid (Professional yet warm) */
  --color-primary: #6B5FD4; /* Deep orchid purple - sophisticated */
  --color-primary-dark: #5A4BB0;
  --color-primary-light: #8B7DDA;
  --color-primary-glow: rgba(107, 95, 212, 0.35);
  --color-primary-subtle: rgba(107, 95, 212, 0.08);

  /* Secondary Accents - Warm & Energizing */
  --color-accent-sunset: #FF6B6B; /* Energetic coral for CTAs */
  --color-accent-gold: #FFB347; /* Warm honey for highlights */
  --color-accent-mint: #6BCB77; /* Fresh growth for success states */

  /* Swimming Level Progression - Nature-inspired & Emotional */
  /* Each level represents emotional journey, not just technical */
  --color-level-hipopotamos: #4CAF50; /* Peaceful forest - safe foundation */
  --color-level-crocodilos: #FFA726; /* Warm sunset - gaining confidence */
  --color-level-pinipedes: #FF7043; /* Warm ember - developing strength */
  --color-level-golfinhos: #42A5F5; /* Ocean depth - becoming skilled */
  --color-level-baleias: #AB47BC; /* Deep purple - excellence achieved */

  /* Professional Neutrals - Humanized, not flat */
  --color-white: #FFFFFF;
  --color-bg-light: #FAFBFC; /* Soft off-white, never harsh */
  --color-bg-warm: #FDF8F3; /* Subtle warm tone */
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E7E9EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;
  --color-text: #1A1A2E; /* Deep, readable, not harsh black */
  --color-text-muted: #475569; /* WCAG AA 4.5:1+ high-contrast slate text */
  --color-dark-surface: #0D0D10; /* Rich dark, never pure black */

  /* Functional Colors - Brand-aligned, not arbitrary */
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1EBE5B;
  --color-error: #E74C3C;
  --color-success: #2ECC71;
  --color-warning: #F39C12;

  /* ==========================================================================
     TYPOGRAPHY SYSTEM - Professional & Readable
     ========================================================================== */
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Heading Hierarchy */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Line Heights for Readability */
  --leading-tight: 1.1;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Font Weights */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* ==========================================================================
     SPACING SYSTEM - 8px Grid Foundation
     Every spacing value is multiple of 4px (4/8/12/16/20/24/32/40/48/64/80/96)
     ========================================================================== */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-9: 36px;
  --space-10: 40px;
  --space-11: 44px;
  --space-12: 48px;
  --space-14: 56px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-28: 112px;
  --space-32: 128px;

  /* Section Spacing - Generous, breathable */
  --section-padding-top: 96px;
  --section-padding-bottom: 96px;
  --section-padding-sm: 64px;
  --section-padding-lg: 128px;

  /* ==========================================================================
     BORDER RADIUS - Humanistic & Modern
     Rounded but precise - never blobby or boxy
     ========================================================================== */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-base: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* ==========================================================================
     TRANSITIONS - Organic & Fluid
     Base cubic-bezier: ease-out-expo (natural acceleration, smooth deceleration)
     ========================================================================== */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Hover: lift + glow */
  --hover-lift: translateY(-2px);
  --hover-glow: box-shadow 0 8px 24px rgba(107, 95, 212, 0.2);

  /* Active: press down */
  --active-press: translateY(0);
  --active-glow: box-shadow 0 4px 12px rgba(107, 95, 212, 0.15);

  /* ==========================================================================
     SHADOWS - Depth without harshness
     Multi-layered, subtle, professional
     ========================================================================== */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);

  /* Primary brand glow - subtle, not overwhelming */
  --shadow-primary-glow: 0 0 20px rgba(107, 95, 212, 0.3), 0 10px 40px rgba(107, 95, 212, 0.15);

  /* ==========================================================================
     LAYOUT & CONTAINERS
     ========================================================================== */
  --container-max: 1400px;
  --container-padding: var(--space-6);
  --header-height: 88px;
  --header-height-sticky: 80px;

  /* Grid System - 4, 8, 12 columns responsive */
  --grid-columns: 12;
  --grid-gap: var(--space-6);
}

/* ==========================================================================
   BASE & RESET - Professional Foundation
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text);
  background-color: var(--color-white);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-break: break-word;
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg-light);
  font-weight: var(--font-regular);
  -webkit-font-smoothing: antialiased;
}

/* Focus Styles - Accessibility-first */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

button, input, select, textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
  outline: none;
  transition: all var(--transition-fast);
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Custom Scrollbar - Elegant & Functional */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-light);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary-light), var(--color-primary-dark));
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg-light);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dark));
}

/* Scroll Progress Bar at Viewport Top */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-sunset), var(--color-accent-gold));
  z-index: 10001;
  transition: width 0.1s ease-out;
  box-shadow: 0 0 10px rgba(107, 95, 212, 0.6);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-purple { color: var(--color-primary); }
.bg-light { background-color: var(--color-bg-light); }
.bg-white { background-color: var(--color-white); }
.bg-dark { background-color: var(--color-dark-surface); color: var(--color-white); }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.heading-xl {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.03em;
}

.heading-lg {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
}

.heading-md {
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
}

.heading-sm {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
}

.subheading {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--color-text-muted);
  font-weight: 400;
  max-width: 720px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-purple {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  border: 1px solid rgba(111, 45, 189, 0.2);
}

.badge-white {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.badge-active {
  background: #DCFCE7;
  color: #15803D;
  border: 1px solid #86EFAC;
}

.badge-upcoming {
  background: #FEF3C7;
  color: #B45309;
  border: 1px solid #FCD34D;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.header.transparent {
  background-color: transparent;
  color: var(--color-white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header.scrolled,
.header.light-page {
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--color-text);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid var(--color-gray-200);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-img {
  height: 48px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  border-radius: 4px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(111, 45, 189, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-title {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.logo-subtitle {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  opacity: 0.75;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Dropdown Menu */
.nav-item-dropdown {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--color-white);
  min-width: 200px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 0;
  width: 100%;
  height: 20px;
}

.nav-item-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  padding: 10px 24px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color 0.2s, color 0.2s;
}

.dropdown-item:hover {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
}

.header.transparent .nav-link:hover {
  color: var(--color-white);
}

.header.transparent .dropdown-item {
  color: var(--color-text);
}

.header.transparent .dropdown-item:hover {
  color: var(--color-primary);
}

.header.scrolled .nav-link:hover,
.header.light-page .nav-link:hover {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: inherit;
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white) !important;
  border: 2px solid var(--color-primary);
  box-shadow: 0 6px 20px rgba(107, 95, 212, 0.35);
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2;
}

.btn-primary:hover::after {
  transform: translateX(200%);
}

.btn-primary:hover {
  background-color: var(--color-white) !important;
  color: var(--color-primary) !important;
  border-color: var(--color-primary);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 28px rgba(107, 95, 212, 0.45);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-text);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-text);
}

.btn-outline-dark:hover {
  background-color: var(--color-text);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-dark-surface);
  color: var(--color-white);
  padding: calc(var(--header-height) + 60px) 0 80px 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.65) contrast(1.1);
  transform: scale(1.05);
  animation: heroZoom 20s infinite alternate ease-in-out;
}

@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(11, 11, 14, 0.75) 0%,
    rgba(11, 11, 14, 0.4) 50%,
    rgba(11, 11, 14, 0.9) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.hero-title {
  font-size: clamp(2.8rem, 6.2vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 760px;
  font-weight: 300;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Inner Page Hero Header */
.page-hero {
  padding: calc(var(--header-height) + 60px) 0 60px 0;
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-gray-200);
  position: relative;
}

.page-hero-title {
  margin-top: 12px;
  margin-bottom: 16px;
}

/* ==========================================================================
   Sections Common Layout
   ========================================================================== */

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  margin-bottom: 60px;
}

.section-header.text-center {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ==========================================================================
   Cards & Content Blocks
   ========================================================================== */

.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03), 0 1px 3px rgba(0, 0, 0, 0.02);
}

.card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 35px -10px rgba(107, 95, 212, 0.18), 0 8px 16px -4px rgba(0, 0, 0, 0.05);
  border-color: rgba(107, 95, 212, 0.35);
}

a.card {
  text-decoration: none;
  color: var(--color-text);
}

a.card:hover {
  color: var(--color-text);
}

a.card:hover .card-title {
  color: var(--color-primary);
}

.card-img-wrapper {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
  background-color: var(--color-gray-100);
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}

.card:hover .card-img-wrapper img {
  transform: scale(1.07);
  filter: brightness(1.04);
}

.card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.4rem;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.card-text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Values / Pillars Cards */
.pillar-card {
  padding: 36px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.pillar-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 16px 32px -8px rgba(107, 95, 212, 0.15);
  transform: translateY(-6px);
}

.pillar-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

/* Level Cards (ADIR Swimming Progression) */
.level-card {
  padding: 28px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border-left: 6px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  border-top: 1px solid var(--color-gray-200);
  border-right: 1px solid var(--color-gray-200);
  border-bottom: 1px solid var(--color-gray-200);
  transition: transform var(--transition-fast);
}

.level-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.level-card.hipopotamos { border-left-color: var(--color-level-hipopotamos); }
.level-card.crocodilos { border-left-color: var(--color-level-crocodilos); }
.level-card.pinipedes { border-left-color: var(--color-level-pinipedes); }
.level-card.golfinhos { border-left-color: var(--color-level-golfinhos); }
.level-card.baleias { border-left-color: var(--color-level-baleias); }

/* ==========================================================================
   Stats Section
   ========================================================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-box {
  padding: 40px 24px;
  text-align: center;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Modalities Grid & Single Page
   ========================================================================== */

.modality-card {
  position: relative;
  min-height: 340px;
  height: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  color: var(--color-white) !important;
  text-decoration: none !important;
  transition: all var(--transition-normal);
}

.modality-card,
.modality-card h3,
.modality-card p,
.modality-card:hover,
.modality-card:hover h3,
.modality-card:hover p,
.modality-card:focus,
.modality-card:focus h3,
.modality-card:focus p {
  color: var(--color-white) !important;
}

.modality-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.modality-card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.modality-card:hover .modality-card-bg img {
  transform: scale(1.08);
}

.modality-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.15) 0%,
    rgba(13, 13, 16, 0.88) 100%
  );
  z-index: 2;
  transition: background var(--transition-normal);
}

.modality-card:hover .modality-card-overlay {
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.25) 0%,
    rgba(13, 13, 16, 0.95) 100%
  );
}

.modality-card-content {
  position: relative;
  z-index: 3;
}

/* Schedule / Pricing Table */
.schedule-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
}

.schedule-table th,
.schedule-table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

.schedule-table th {
  background-color: var(--color-bg-light);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
}

.schedule-table tr:last-child td {
  border-bottom: none;
}

.schedule-table tr:hover td {
  background-color: var(--color-primary-subtle);
}

/* FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text);
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-light);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--color-primary);
  color: var(--color-white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
  padding: 0 28px;
  color: var(--color-text-muted);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 28px 24px 28px;
}

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-gray-200);
  background-color: var(--color-white);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 9999;
}

.toast {
  background: var(--color-dark-surface);
  color: var(--color-white);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  border-left: 4px solid var(--color-primary);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.92);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 40px;
}

.lightbox-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 90%;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 30px;
  right: 30px;
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.lightbox-close:hover {
  background: var(--color-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background-color: var(--color-dark-surface);
  color: var(--color-white);
  padding: 80px 0 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-desc {
  color: var(--color-gray-mid);
  font-size: 0.95rem;
  max-width: 360px;
  line-height: 1.6;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--color-gray-mid);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-gray-mid);
  font-size: 0.85rem;
}

/* ==========================================================================
   Responsive Design & Device Adaptation System
   Breakpoints: 1200px (Desktop), 992px (Tablet Landscape), 768px (Tablet Portrait), 480px (Mobile Large), 360px (Mobile Small)
   ========================================================================== */

/* Table Scroll Wrapper */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 24px;
  border-radius: var(--radius-md);
}

.table-responsive .schedule-table {
  min-width: 600px;
}

/* --- Breakpoint: 1200px (Laptops / Small Desktops) --- */
@media (max-width: 1200px) {
  .container {
    max-width: 100%;
    padding: 0 32px;
  }
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  .footer-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 32px;
  }
}

/* --- Breakpoint: 992px (Tablets Landscape & Mobile Menu Switch) --- */
@media (max-width: 992px) {
  .header {
    height: 76px;
  }

  .logo-img {
    height: 40px;
  }

  .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    height: calc(100vh - 76px);
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px 60px 24px;
    gap: 16px;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    z-index: 999;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    font-size: 1.6rem;
    color: inherit;
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.05);
  }

  .header.transparent .mobile-toggle {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
  }

  .nav-item-dropdown {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    height: auto;
  }

  .nav-item-dropdown > .nav-link {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .nav-item-dropdown > .nav-link::after {
    content: ' ▾';
    margin-left: 6px;
    font-size: 0.8rem;
    position: static;
    width: auto;
    height: auto;
    background: none;
  }

  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    background: var(--color-bg-light);
    width: 100%;
    border-radius: var(--radius-sm);
    margin-top: 8px;
    display: none;
    opacity: 1;
    visibility: visible;
    padding: 8px 0;
    border: 1px solid var(--color-gray-200);
  }

  .nav-item-dropdown.active-dropdown .dropdown-menu {
    display: flex;
  }

  .dropdown-item {
    padding: 12px 20px;
    font-size: 0.95rem;
  }

  .section {
    padding: 70px 0;
  }

  .section-header {
    margin-bottom: 44px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .hero {
    min-height: auto;
    padding: 130px 0 70px 0;
  }

  .hero-title {
    font-size: clamp(2.2rem, 6vw, 3.8rem);
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 440px;
    gap: 12px;
  }

  .hero-buttons .btn {
    width: 100%;
  }
}

/* --- Breakpoint: 768px (Tablets Portrait) --- */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .grid-4,
  .grid-3,
  .grid-2,
  .stats-grid,
  .footer-grid,
  .form-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card-body {
    padding: 20px;
  }

  .pillar-card {
    padding: 24px;
  }

  .level-card {
    padding: 20px;
  }

  .stat-box {
    padding: 28px 16px;
  }

  .stat-number {
    font-size: 2.75rem;
  }

  .modality-card {
    min-height: 260px;
    height: auto;
    padding: 24px;
  }

  .footer {
    padding: 60px 0 30px 0;
  }

  .footer-grid {
    margin-bottom: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* --- Breakpoint: 480px (Mobile Phones) --- */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 44px 0;
  }

  .hero {
    padding: 110px 0 48px 0;
  }

  .hero-title {
    font-size: clamp(1.75rem, 8.5vw, 2.5rem);
    line-height: 1.15;
  }

  .hero-subtitle {
    font-size: 0.98rem;
  }

  .heading-xl {
    font-size: 1.95rem;
  }

  .heading-lg {
    font-size: 1.6rem;
  }

  .heading-md {
    font-size: 1.3rem;
  }

  .heading-sm {
    font-size: 1.1rem;
  }

  .subheading {
    font-size: 0.95rem;
  }

  .btn {
    width: 100%;
    max-width: 100%;
    justify-content: center;
    padding: 14px 20px;
    font-size: 0.9rem;
    white-space: normal;
    text-align: center;
  }

  .btn-lg {
    padding: 16px 24px;
    font-size: 0.98rem;
  }

  .badge {
    font-size: 0.75rem;
    padding: 5px 12px;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 1rem;
  }

  .faq-answer {
    padding: 0 18px 18px 18px;
    font-size: 0.9rem;
  }

  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 20px;
  }

  .toast {
    width: 100%;
  }

  .form-control {
    padding: 12px 14px;
    font-size: 0.9rem;
  }

  .schedule-table th,
  .schedule-table td {
    padding: 12px 14px;
    font-size: 0.85rem;
  }
}

/* --- Breakpoint: 360px (Extra Small Mobile Devices) --- */
@media (max-width: 360px) {
  .logo-title {
    font-size: 1.1rem;
  }

  .logo-subtitle {
    font-size: 0.58rem;
  }

  .hero-title {
    font-size: 1.6rem;
  }

  .stat-number {
    font-size: 2.25rem;
  }
}

/* ==========================================================================
   NEW UI/UX PRO COMPONENTS & ACCESSIBILITY ENHANCEMENTS
   ========================================================================== */

/* Focus Visible for Keyboard Navigation (WCAG 2.1 AA) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Breadcrumb Component */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  list-style: none;
  margin-bottom: var(--space-6);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  color: var(--color-gray-400);
  font-size: 1.1em;
}

.breadcrumb-link {
  color: var(--color-gray-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

/* SIGNATURE COMPONENT: "Idade Real" Athlete Progression Timeline */
.idade-real-container {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  margin: var(--space-8) 0;
}

.idade-real-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-8);
}

.idade-real-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
  position: relative;
}

.timeline-step {
  background: var(--color-bg-light);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.timeline-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--level-color, var(--color-primary));
}

.timeline-step.active-level {
  background: var(--color-white);
  border-color: var(--level-color, var(--color-primary));
  box-shadow: 0 10px 30px rgba(107, 95, 212, 0.15);
}

.timeline-level-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-white);
  background-color: var(--level-color, var(--color-primary));
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.timeline-age {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.timeline-title {
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.timeline-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-4);
}

.timeline-progress-track {
  height: 6px;
  background: var(--color-gray-200);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.timeline-progress-bar {
  height: 100%;
  background: var(--level-color, var(--color-primary));
  width: 0%;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 3px;
}

/* Modal System (Notify Me & Dynamic Popups) */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(13, 13, 16, 0.7);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  padding: var(--space-8);
  box-shadow: var(--shadow-2xl);
  position: relative;
  transform: translateY(20px) scale(0.95);
  transition: all var(--transition-normal);
}

.modal-backdrop.is-open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-gray-100);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-gray-700);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-gray-200);
  color: var(--color-text);
}

/* Scroll Animations & Reveal Variants */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.animate-on-scroll[data-animate="fade-in"] {
  transform: translateY(0);
}

.animate-on-scroll[data-animate="scale-up"] {
  transform: scale(0.92) translateY(24px);
}

.animate-on-scroll[data-animate="slide-left"] {
  transform: translateX(-40px);
}

.animate-on-scroll[data-animate="slide-right"] {
  transform: translateX(40px);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1) translateX(0);
}

/* Helper Text & Badge Utilities */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, #8B7DDA 50%, var(--color-accent-sunset) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
  background: linear-gradient(135deg, #FFB347 0%, #FF6B6B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-pulse {
  position: relative;
  padding-left: 24px;
}

.badge-pulse::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background-color: var(--color-success);
  border-radius: 50%;
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0% { transform: translateY(-50%) scale(0.9); opacity: 1; box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.7); }
  70% { transform: translateY(-50%) scale(1.2); opacity: 0.8; box-shadow: 0 0 0 8px rgba(46, 204, 113, 0); }
  100% { transform: translateY(-50%) scale(0.9); opacity: 1; box-shadow: 0 0 0 0 rgba(46, 204, 113, 0); }
}