/* ==========================================================================
   Sugam Home Care Services - Design System & Base CSS
   Theme: Premium Healthcare & Compassionate Home Care
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand Palette */
  --color-primary: #0F2C59;          /* Deep Navy Blue: Trust, stability, authority */
  --color-primary-dark: #091B38;     /* Darker navy for hovers */
  --color-primary-light: #1E3A8A;    /* Slate blue accent */
  --color-primary-50: #EEF2F6;       /* Ultra-soft navy tint */
  
  --color-secondary: #0D9488;        /* Teal: Care, healing, wellness */
  --color-secondary-hover: #0F766E;  /* Deeper teal */
  --color-secondary-light: #F0FDFA;  /* Soft teal tint */
  --color-secondary-100: #CCFBF1;    /* Mint tint badge */
  
  --color-accent-amber: #D97706;     /* Warm amber for attention / baby care */
  --color-accent-green: #059669;     /* Trust green for verification */
  
  --color-whatsapp: #25D366;         /* Official WhatsApp Green */
  --color-whatsapp-dark: #128C7E;    /* WhatsApp Dark */
  
  /* Backgrounds & Neutrals */
  --bg-page: #FFFFFF;
  --bg-warm: #FAFBFD;
  --bg-surface: #F8FAFC;
  --bg-neutral: #F1F5F9;
  --bg-alt: #F8FAFC;
  
  /* Text & Typography */
  --text-main: #1E293B;              /* Dark charcoal for high readability */
  --text-muted: #475569;             /* Medium grey for secondary content */
  --text-light: #64748B;             /* Muted grey for captions / breadcrumbs */
  --text-inverse: #FFFFFF;           /* White text on dark buttons / cards */
  
  /* Borders & Shadows */
  --border-light: #E2E8F0;
  --border-subtle: #F1F5F9;
  --border-focus: #0D9488;
  
  --shadow-sm: 0 1px 2px 0 rgba(15, 44, 89, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 44, 89, 0.08), 0 2px 4px -2px rgba(15, 44, 89, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 44, 89, 0.08), 0 4px 6px -4px rgba(15, 44, 89, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 44, 89, 0.1), 0 8px 10px -6px rgba(15, 44, 89, 0.04);
  --shadow-float: 0 12px 30px rgba(15, 44, 89, 0.12);
  
  /* Typography Scale */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */
  --font-size-4xl: 2.25rem;    /* 36px */
  --font-size-5xl: 3rem;       /* 48px */
  
  /* Transitions & Spacing */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Container Constraints */
  --container-max: 1240px;
  --container-narrow: 860px;
  --header-height: 80px;
  --mobile-cta-height: 68px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.65;
  color: var(--text-main);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  padding-bottom: 0;
}

/* Reserve space on mobile for fixed bottom CTA bar */
@media (max-width: 768px) {
  body {
    padding-bottom: var(--mobile-cta-height);
  }
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

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

ul, ol {
  list-style: none;
}

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

h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.65rem, 2.5vw + 0.8rem, 2.35rem);
  margin-bottom: 0.875rem;
}

h3 {
  font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.6rem);
  margin-bottom: 0.625rem;
}

h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

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

p.lead {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-main);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Section Spacing */
.section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding-top: 3.25rem;
    padding-bottom: 3.25rem;
  }
}

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

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

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

.section-bg-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.section-bg-primary h2,
.section-bg-primary h3,
.section-bg-primary p {
  color: #FFFFFF;
}

.section-bg-primary p {
  color: #CBD5E1;
}

/* Section Header Component */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--color-secondary-100);
  color: var(--color-secondary-hover);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.badge-tag-navy {
  background-color: var(--color-primary-50);
  color: var(--color-primary);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Buttons and CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
  line-height: 1.2;
  box-shadow: var(--shadow-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Primary Button (Navy) */
.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Secondary Button (Teal) */
.btn-secondary {
  background-color: var(--color-secondary);
  color: #FFFFFF;
  border: 1px solid var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-hover);
  border-color: var(--color-secondary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* WhatsApp Button */
.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  border: 1px solid var(--color-whatsapp);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  border-color: var(--color-whatsapp-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Outline Buttons */
.btn-outline-primary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline-primary:hover {
  background-color: var(--color-primary-50);
  transform: translateY(-1px);
}

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border: 1.5px solid #FFFFFF;
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--color-primary);
  border: 1px solid #FFFFFF;
}

.btn-white:hover {
  background-color: var(--bg-surface);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

/* Icons */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
  flex-shrink: 0;
}

.icon-lg {
  width: 1.75rem;
  height: 1.75rem;
}

.icon-xl {
  width: 2.5rem;
  height: 2.5rem;
}

/* Focus outlines for accessible navigation */
:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 3px;
}