/* ============================================
   Strategic Insights and Impact LLP
   MEAL Consultancy — Stylesheet v1.0
   Color Scheme: Navy Blue + Orange
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary: #1B2A4A;
  --color-secondary: #2C4470;
  --color-accent: #E8712B;
  --color-accent-light: #F4A261;
  --color-dark: #0F1A2E;
  --color-light: #F5F7FA;
  --color-white: #FFFFFF;
  --color-text: #2D3748;
  --color-text-light: #718096;
  --color-border: #E2E8F0;

  --font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8rem);
  --font-size-sm: clamp(0.85rem, 0.8rem + 0.25vw, 0.9rem);
  --font-size-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --font-size-lg: clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --font-size-xl: clamp(1.4rem, 1.2rem + 1vw, 1.75rem);
  --font-size-2xl: clamp(1.8rem, 1.5rem + 1.5vw, 2.5rem);
  --font-size-3xl: clamp(2.2rem, 1.8rem + 2vw, 3.2rem);

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(15, 26, 46, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 26, 46, 0.1);
  --shadow-lg: 0 10px 30px rgba(15, 26, 46, 0.12);
  --shadow-xl: 0 20px 50px rgba(15, 26, 46, 0.15);

  --transition: 0.3s ease;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.7;
}

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

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

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

ul, ol {
  list-style: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.text-accent { color: var(--color-accent); }
.text-light { color: var(--color-text-light); }
.text-white { color: var(--color-white); }
.text-center { text-align: center; }

/* ---------- Layout Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-alt {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-light);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-xs);
}

.section-header p {
  color: var(--color-text-light);
  font-size: var(--font-size-lg);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Navigation ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-sm) 0;
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  height: 48px;
  width: auto;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.navbar-links a {
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: color var(--transition);
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

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

.navbar-links a:hover::after {
  width: 100%;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  margin: 5px 0;
  transition: var(--transition);
}

@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .navbar-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .navbar-links.active {
    display: flex;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

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

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

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

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

.btn-download:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-xs);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 60%, #162240 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(232, 113, 43, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(44, 68, 112, 0.3) 0%, transparent 50%);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--color-white), transparent);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 750px;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.hero h1 span {
  color: var(--color-accent);
}

.hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Decorative floating shapes in hero */
.hero-decoration {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 350px;
  height: 350px;
  opacity: 0.08;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.card-icon-primary {
  background: rgba(27, 42, 74, 0.08);
  color: var(--color-primary);
}

.card-icon-accent {
  background: rgba(232, 113, 43, 0.1);
  color: var(--color-accent);
}

.card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.card p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ---------- Pillar Cards (large feature cards) ---------- */
.pillar-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

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

.pillar-card-header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  padding: var(--spacing-lg);
  color: var(--color-white);
}

.pillar-card-header .pillar-number {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-xs);
}

.pillar-card-header h3 {
  color: var(--color-white);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.pillar-card-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

.pillar-card-body {
  padding: var(--spacing-lg);
}

.pillar-card-body ul {
  list-style: none;
}

.pillar-card-body li {
  position: relative;
  padding: var(--spacing-xs) 0 var(--spacing-xs) 1.5rem;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.pillar-card-body li:last-child {
  border-bottom: none;
}

.pillar-card-body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ---------- Values Section ---------- */
.value-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

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

.value-card .value-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
}

.value-card h4 {
  margin-bottom: var(--spacing-xs);
}

.value-card p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ---------- Expertise / Tags ---------- */
.expertise-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  justify-content: center;
}

.expertise-tag {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(27, 42, 74, 0.06);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.expertise-tag:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.expertise-tag-accent {
  background: rgba(232, 113, 43, 0.08);
  color: var(--color-accent);
  border-color: rgba(232, 113, 43, 0.2);
}

.expertise-tag-accent:hover {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

/* ---------- Commitment / CTA Section ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
  padding: var(--spacing-2xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(232, 113, 43, 0.1) 0%, transparent 60%);
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
  max-width: 650px;
  margin: 0 auto var(--spacing-lg);
}

/* ---------- Stats / Metrics Bar ---------- */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  padding: var(--spacing-lg) 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
  max-width: 320px;
}

.footer h4 {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-md);
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--font-size-xs);
}

.footer-contact {
  text-align: center;
  padding-top: 0.75rem;
  margin-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-contact p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.75rem;
  margin: 0;
  letter-spacing: 0.3px;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-contact a:hover {
  color: var(--color-accent-light);
}

/* ---------- Download Banner ---------- */
.download-banner {
  background: var(--color-light);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  margin: var(--spacing-lg) 0;
}

.download-banner p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.hidden {
  opacity: 0;
  transform: translateY(20px);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ---------- Print Styles ---------- */
@media print {
  .navbar, .hero-decoration, .cta-section, .footer { display: none; }
  body { font-size: 12pt; color: #000; }
  .section { padding: 1rem 0; }
}