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

:root {
  /* Brand Colors */
  --color-primary: #1e3a8a; /* Deep Trust Blue */
  --color-accent: #f59e0b; /* Warm Orange/Gold */
  --color-accent-hover: #d97706;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-bg-light: #f8fafc;
  --color-text-main: #334155;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Border Radius */
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--color-text-main);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; }

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

.text-center { text-align: center; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

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

.btn-primary:hover {
  background-color: #172554;
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
}

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

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: #eef2ff;
  color: var(--color-primary);
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  min-height: 80px;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 65px;
  max-width: 70vw;
  object-fit: contain;
}

@media (min-width: 768px) {
  .logo-img {
    height: 95px;
    max-width: 350px;
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--color-text-main);
  font-weight: 500;
  font-size: 1rem;
}

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

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white);
  min-width: 200px;
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--color-text-main);
}

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

/* Hamburger Menu (Mobile) */
.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
}

/* Footer */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 0 1rem;
}

.footer p, .footer a {
  color: #cbd5e1;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #334155;
  font-size: 0.875rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.6rem; }
  h3 { font-size: 1.25rem; }

  .container {
    padding: 0 1.25rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hamburger {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: center;
    padding-top: 2rem;
    transition: 0.3s;
    box-shadow: var(--shadow-md);
    overflow-y: auto;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-item {
    margin-bottom: 1.5rem;
    width: 90%;
    text-align: center;
  }

  /* Stack nav buttons vertically on mobile */
  .nav-item .btn {
    width: 100%;
    display: block;
    text-align: center;
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    text-align: center;
  }

  .dropdown.active .dropdown-menu {
    display: block;
  }

  /* Footer grid single column on mobile */
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* Very small screens (iPhone SE etc) */
@media (max-width: 400px) {
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.4rem; }

  .container {
    padding: 0 1rem;
  }

  .btn {
    padding: 0.65rem 1.1rem;
    font-size: 0.9rem;
  }
}

/* ── Fixed WhatsApp Floating Button ── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: #25D366;
  color: white;
  text-decoration: none;
  padding: 0.8rem 1.2rem 0.8rem 1rem;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
  font-family: 'Inter', sans-serif;
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.55);
  color: white;
}

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

.whatsapp-float .wa-label {
  display: inline;
}

/* Pulse ring animation */
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50px;
  border: 2px solid #25D366;
  animation: wa-pulse 2s ease-out infinite;
}

@keyframes wa-pulse {
  0%   { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.35); opacity: 0; }
}

/* On tablets and mobile: circular icon only, hide label */
@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 20px;
    right: 16px;
    padding: 0.85rem;
    border-radius: 50%;
  }
  .whatsapp-float .wa-label {
    display: none;
  }
  .whatsapp-float::before {
    border-radius: 50%;
  }
}