/* ==========================================================================
   CEYLEONS LEISURE - CORE STYLESHEET (main.css)
   Clean, Responsive, Mobile-First Semantic CSS
   ========================================================================== */

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

html {
  font-size: var(--base-font-size);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  line-height: var(--line-height-normal);
  font-weight: var(--font-weight-regular);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1 0 auto;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-primary-dark);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

p.lead {
  font-size: 1.25rem;
  line-height: var(--line-height-relaxed);
  color: var(--color-text-main);
  font-weight: var(--font-weight-normal);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-earth);
}

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

ul, ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
  color: var(--color-text-muted);
}

li {
  margin-bottom: var(--space-xs);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container-narrow {
  max-width: var(--container-narrow-width);
}

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

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

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

.section-dark {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark p {
  color: #ffffff;
}

.section-dark p.muted {
  color: #d8f3dc;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto var(--space-2xl) auto;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent-earth);
  margin-bottom: var(--space-xs);
}

.section-dark .section-eyebrow {
  color: var(--color-accent-sand);
}

.section-title {
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   NAVIGATION & HEADER
   ========================================================================== */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border-subtle);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: padding var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* Brand Logo */
.brand-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-primary-dark);
  padding: 0.25rem 0;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.08em;
  color: var(--color-primary-dark);
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-earth);
  font-weight: var(--font-weight-semibold);
  margin-top: 2px;
}

/* Primary Desktop Navigation */
.main-nav {
  display: none;
}

@media (min-width: 1200px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
}

.nav-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
}

@media (min-width: 1380px) {
  .nav-list {
    gap: 0.45rem;
  }
}

.nav-link {
  color: var(--color-text-main);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: 0.8125rem;
  padding: 0.35rem 0.25rem;
  border-radius: var(--radius-sm);
  position: relative;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

@media (min-width: 1380px) {
  .nav-link {
    font-size: 0.875rem;
    padding: 0.4rem 0.35rem;
  }
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-primary);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.4rem;
  right: 0.4rem;
  height: 2px;
  background-color: var(--color-accent-earth);
  border-radius: 2px;
}

/* Header CTAs */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-header-plan {
  display: none;
}

@media (min-width: 640px) {
  .btn-header-plan {
    display: inline-flex;
  }
}

/* Mobile Menu Toggle Button */
.menu-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--min-tap-target);
  height: var(--min-tap-target);
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-primary-dark);
  cursor: pointer;
  padding: 0.5rem;
}

@media (min-width: 1200px) {
  .menu-toggle-btn {
    display: none;
  }
}

.menu-toggle-btn svg {
  width: 28px;
  height: 28px;
}

/* Mobile Off-Canvas Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 360px;
  height: 100vh;
  background-color: #ffffff;
  z-index: 2000;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-nav-drawer.is-open {
  right: 0;
}

.mobile-nav-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-nav-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-close-btn {
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
}

.mobile-nav-body {
  padding: 1.5rem;
  flex: 1;
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-main);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background 0.15s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-bold);
}

.mobile-nav-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-subtle);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #f4efea;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-top: 3px solid var(--color-accent-sand);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-col h3,
.footer-col h4 {
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h3::after,
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background-color: var(--color-accent-sand);
}

.footer-col p {
  color: #d8f3dc;
  font-size: 1rem;
  line-height: var(--line-height-normal);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: #e2d9cf;
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-accent-sand);
  text-decoration: underline;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  color: #e2d9cf;
}

.footer-contact-item svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  color: var(--color-accent-sand);
}

.footer-contact-item a {
  color: #ffffff;
  text-decoration: none;
  font-weight: var(--font-weight-medium);
}

.footer-contact-item a:hover {
  color: var(--color-accent-sand);
  text-decoration: underline;
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
  font-size: 0.9375rem;
  color: #b0c4b1;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-bottom-links a {
  color: #b0c4b1;
  text-decoration: none;
}

.footer-bottom-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* ==========================================================================
   FLOATING WHATSAPP ASSISTANT WIDGET
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  background-color: var(--color-whatsapp);
  color: #ffffff;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  font-weight: var(--font-weight-semibold);
  font-size: 0.9375rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  min-height: 48px;
}

.floating-whatsapp:hover,
.floating-whatsapp:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  background-color: #1ebe5d;
  color: #ffffff;
}

.floating-whatsapp svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

@media (max-width: 540px) {
  .floating-whatsapp span {
    display: none;
  }
  .floating-whatsapp {
    padding: 0.75rem;
    border-radius: 50%;
    width: 52px;
    height: 52px;
    justify-content: center;
  }
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
  padding: 0.85rem 0;
  background-color: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: 0.9375rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.5rem;
}

.breadcrumb-separator {
  color: var(--color-accent-earth);
  user-select: none;
}

.breadcrumb-item a {
  color: var(--color-text-muted);
  text-decoration: none;
}

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

.breadcrumb-item[aria-current="page"] {
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-semibold);
}