/* ==========================================================================
   AK ENTERPRISES — ULTRA-CLEAN ARCHITECTURAL WHITE DESIGN SYSTEM
   Target Domain: https://akmosquitonet.com/
   ========================================================================== */

:root {
  /* Ultra-Clean Architectural Palette */
  --color-primary: #0A5C36;           /* Emerald Teal */
  --color-primary-hover: #074528;     /* Dark Emerald */
  --color-primary-light: #E6F4ED;     /* Light Mint Surface */
  --color-primary-border: rgba(10, 92, 54, 0.2);

  --color-accent: #056544;
  --color-accent-light: #80C6A7;

  --color-bg-main: #FFFFFF;           /* Crisp Pure White */
  --color-bg-card: #F8F9FA;           /* Soft Light Neutral Surface */
  --color-bg-card-hover: #F1F3F5;     /* Hover Surface */
  --color-bg-dark: #111111;           /* Deep Charcoal Black */
  --color-bg-dark-card: #1A1A1A;

  --color-text-dark: #111111;         /* Charcoal Black Text */
  --color-text-muted: #555555;        /* Muted Body Text */
  --color-text-light: #FFFFFF;
  --color-text-light-muted: #A0A0A0;

  --color-border-light: #E5E7EB;      /* Razor Thin Grey Border */
  --color-border-dark: #222222;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Layout & Spacing */
  --container-max-width: 1240px;
  --header-height: 76px;
  --mobile-bar-height: 60px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-subtle: 0 2px 10px rgba(0, 0, 0, 0.03);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.08);
  --shadow-modal: 0 20px 50px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-bg-main);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--color-bg-main);
  color: var(--color-text-dark);
}

/* Focus & Accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-primary);
  color: var(--color-text-light);
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-dark);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.85rem, 3vw, 2.75rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

h4 {
  font-size: 1.15rem;
}

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

p:last-child {
  margin-bottom: 0;
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: clamp(3.5rem, 7vw, 6rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  position: relative;
}

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

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-light);
}

.section-dark p {
  color: var(--color-text-light-muted);
}

.section-header {
  max-width: 720px;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-header.text-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 0.85rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  text-align: center;
  min-height: 48px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  box-shadow: 0 4px 12px rgba(10, 92, 54, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(10, 92, 54, 0.35);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-border-light);
  color: var(--color-text-dark);
}

.btn-secondary:hover {
  background-color: var(--color-bg-card);
  border-color: var(--color-primary);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
}

.btn-whatsapp:hover {
  background-color: #1EBE56;
  color: #FFFFFF;
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.8rem;
  min-height: 38px;
}

.btn-lg {
  padding: 1.1rem 2.25rem;
  font-size: 0.95rem;
  min-height: 54px;
}

/* Header & Compact Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
  background-color: transparent;
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-subtle);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
}

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

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-text-dark);
  line-height: 1;
  letter-spacing: 0.05em;
}

.logo-subtitle {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-dark);
  padding: 0.5rem 0;
  position: relative;
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-primary);
}

/* Form Controls */
.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  background-color: var(--color-bg-card);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-dark);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  background-color: #FFFFFF;
  outline: none;
}

/* Footer */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding-top: 4.5rem;
  padding-bottom: 2rem;
  margin-top: auto;
  border-top: 1px solid var(--color-border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  color: var(--color-text-light-muted);
  margin-top: 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.92rem;
  max-width: 320px;
}

.footer-title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary-light);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-text-light-muted);
  font-size: 0.9rem;
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--color-text-light-muted);
  font-size: 0.9rem;
  margin-bottom: 0.85rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-light-muted);
}