:root {
  --color-primary: #D88A1D;       /* Turmeric Orange */
  --color-primary-dark: #b67418;  /* Turmeric Dark */
  --color-bg-base: #F3E6D0;       /* Warm Beige */
  --color-surface: #FFFFFF;       /* White */
  --color-text-main: #111111;     /* Dark Slate */
  --color-text-muted: #4B5563;    /* Gray */
  --color-border: #E5E7EB;        /* Light Gray */
  
  --font-primary: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
  font-family: var(--font-primary);
  color: var(--color-text-main);
  background-color: var(--color-surface);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem); /* 40px to 64px */
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem); /* 32px to 48px */
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem; /* 24px */
  font-weight: 600;
  margin-bottom: 0.75rem;
}

p {
  color: var(--color-text-muted);
  font-size: 1.125rem; /* 18px */
  margin-bottom: 1.5rem;
}

/* Layout Classes */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  border: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Specific Component Styles (Nav, Hero, etc.) will go below or in separate files */

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  padding: 1rem 0;
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

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

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.nav-links {
  display: none;
  gap: 2rem;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
    align-items: center;
  }
}

.nav-links a {
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--color-primary);
}

/* Tabs Interface for Features */
.features-tabs {
  max-width: 1000px;
  margin: 0 auto;
}

.tabs-header {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: none;
  border: 2px solid transparent;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-lg);
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--color-primary);
  background: var(--color-bg-base);
}

.tab-btn.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-bg-base);
}

.tab-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  animation: fadeIn 0.4s ease-in-out;
}

@media (min-width: 768px) {
  .tab-layout {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.tab-text h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.tab-image img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  width: 100%;
}

.tab-image-placeholder {
  background: var(--color-bg-base);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* LTS Carousel */
.lts-carousel-container {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-base);
  min-height: 250px;
}

.lts-slide {
  display: none;
  padding: 2rem;
  text-align: left;
  animation: fadeSlide 0.5s ease-in-out forwards;
}

.lts-slide.active {
  display: block;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.lts-indicators {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.lts-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-text-muted);
  cursor: pointer;
  opacity: 0.5;
  transition: all 0.3s ease;
}

.lts-indicator.active {
  opacity: 1;
  background: var(--color-primary);
  transform: scale(1.2);
}