/* style.css - Coir Lanka Global Styles */

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

:root {
  /* Color Palette - Premium & Earthy */
  --clr-green-dark: #1B4332;
  --clr-green-main: #2D6A4F;
  --clr-green-light: #52B788;
  --clr-brown-dark: #4A3B2C;
  --clr-brown-accent: #B66D38;
  --clr-bg-light: #FBF9F6;
  --clr-bg-offwhite: #F0EAD6;
  --clr-text-main: #2C2C2C;
  --clr-text-muted: #595959;
  --clr-white: #FFFFFF;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 6rem;

  /* Elevations / Shadows */
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--clr-text-main);
  background-color: var(--clr-bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--clr-green-dark);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--clr-text-muted);
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-lg) 0;
  background-color: transparent;
  transition: all var(--transition-fast);
  z-index: 1000;
}

.navbar.scrolled {
  background-color: rgba(251, 249, 246, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-sm);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-green-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--clr-brown-accent);
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-links li a {
  font-weight: 500;
  font-size: 1rem;
  color: var(--clr-text-main);
  position: relative;
}

.nav-links li a::after {
  content: '';
  position: absolute;
  width: 0%;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--clr-green-main);
  transition: width var(--transition-fast);
}

.nav-links li a:hover::after,
.nav-links li a.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--clr-green-dark);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: linear-gradient(135deg, rgba(234, 244, 230, 0.8) 0%, rgba(240, 234, 214, 0.8) 100%);
  position: relative;
  overflow: hidden;
}

/* Add a subtle background pattern or shape */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background-color: var(--clr-green-light);
  border-radius: 50%;
  opacity: 0.1;
  z-index: -1;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--spacing-md);
  color: var(--clr-green-dark);
}

.hero-content p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
  max-width: 500px;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--clr-green-main);
  color: var(--clr-white);
  box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
}

.btn-primary:hover {
  background-color: var(--clr-green-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(45, 106, 79, 0.4);
  color: var(--clr-white);
}

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

.btn-outline:hover {
  background-color: var(--clr-green-main);
  color: var(--clr-white);
  transform: translateY(-3px);
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  transform: rotate(3deg);
  transition: transform var(--transition-slow);
}

.hero-image:hover img {
  transform: rotate(0deg) scale(1.02);
}

/* Sections */
.section-padding {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-xl);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 3px;
  background-color: var(--clr-brown-accent);
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

/* Cards */
.card {
  background-color: var(--clr-white);
  border-radius: 12px;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  font-size: 2.5rem;
  color: var(--clr-green-main);
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

/* Features List */
.features-list {
  list-style: none;
}

.features-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--clr-text-muted);
}

.features-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--clr-green-main);
  font-weight: bold;
}

/* Footer */
.footer {
  background-color: var(--clr-green-dark);
  color: var(--clr-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-col h3 {
  color: var(--clr-white);
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

.footer-col p {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--clr-white);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* Scroll Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal.fade-left {
  transform: translateX(-50px);
}

.reveal.fade-right {
  transform: translateX(50px);
}

.reveal.fade-left.active,
.reveal.fade-right.active {
  transform: translateX(0);
}

/* Responsive */
@media (max-width: 900px) {
  .hero .container, .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .hero {
    padding-top: 120px;
    text-align: center;
  }
  
  .hero-content p {
    margin: 0 auto var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background-color: var(--clr-white);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path var(--transition-fast);
    gap: var(--spacing-md);
  }

  .nav-links.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  .mobile-menu-btn {
    display: block;
  }
  
  .section-title {
    font-size: 2rem;
  }
}