/* ==========================================
   DESTINA CERTO - SUSTAINABLE DESIGN SYSTEM
   ========================================== */

/* Import Premium Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* ==========================================
   CSS VARIABLES - DESIGN TOKENS
   ========================================== */
:root {
  /* Colors - Vibrant Sustainability Palette */
  --color-primary: hsl(142, 71%, 45%);
  --color-primary-dark: hsl(142, 71%, 25%);
  --color-primary-light: hsl(142, 71%, 85%);
  --color-accent: hsl(195, 100%, 45%);
  --color-accent-dark: hsl(195, 100%, 35%);

  /* Neutrals - Modern Gray Scale */
  --color-gray-50: hsl(0, 0%, 98%);
  --color-gray-100: hsl(0, 0%, 95%);
  --color-gray-200: hsl(0, 0%, 90%);
  --color-gray-300: hsl(0, 0%, 80%);
  --color-gray-700: hsl(0, 0%, 30%);
  --color-gray-900: hsl(0, 0%, 10%);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --gradient-hero: linear-gradient(135deg, hsl(142, 71%, 35%) 0%, hsl(195, 100%, 40%) 100%);
  --gradient-card: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
  --shadow-green: 0 8px 32px rgba(34, 197, 94, 0.3);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
  overflow-x: hidden;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-gray-900);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

p {
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.7;
  color: var(--color-gray-700);
}

/* ==========================================
   UTILITIES
   ========================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-green);
}

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

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

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.25rem;
}

/* ==========================================
   HEADER / NAVIGATION
   ========================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding: var(--space-sm) 0;
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo {
  height: 120px;
  width: auto;
  transition: transform var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
}

.nav-cta {
  display: flex;
  gap: var(--space-sm);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  /* overflow: hidden; Removed to prevent clipping content on small screens */
  padding: var(--space-3xl) 0;
  z-index: 1;
}

/* Animated Background Pattern */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 900px;
}

.hero h1 {
  color: white;
  margin-bottom: var(--space-md);
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-xl);
  opacity: 0.95;
  animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.4s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
   SECTIONS
   ========================================== */
section {
  padding: var(--space-3xl) 0;
  position: relative;
  /* Ensure z-index works */
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--color-gray-700);
  max-width: 700px;
  margin: 0 auto;
}

/* ==========================================
   ABOUT / MISSION SECTION
   ========================================== */
.about {
  background: white;
  z-index: 2;
  /* Ensure it sits on top of hero if overlap occurs */
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-image {
  position: relative;
  display: flex;
  justify-content: center;
}

.destin-mascot {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
  /* Attempt to blend background if it's white/light */
  /* mix-blend-mode: multiply; */
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}

.about-text h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.about-text p {
  margin-bottom: var(--space-md);
}

/* ==========================================
   3 R's SECTION
   ========================================== */
.three-rs {
  background: var(--gradient-card);
  position: relative;
  overflow: hidden;
}

.rs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.r-card {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.r-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

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

.r-card:hover::before {
  transform: scaleX(1);
}

.r-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 2.5rem;
  transition: all var(--transition-base);
}

.r-card:hover .r-icon {
  transform: rotate(360deg) scale(1.1);
}

.r-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-primary-dark);
}

.r-card p {
  color: var(--color-gray-700);
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services {
  background: white;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  background: var(--gradient-card);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.service-card:hover {
  border-color: var(--color-primary);
  transform: scale(1.05);
  background: white;
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.service-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-primary-dark);
}

/* ==========================================
   HOW IT WORKS SECTION
   ========================================== */
.how-it-works {
  background: var(--color-gray-100);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto var(--space-md);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.step:hover .step-number {
  transform: scale(1.15);
  box-shadow: var(--shadow-green);
}

.step h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-primary-dark);
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
  background: var(--gradient-hero);
  color: white;
  text-align: center;
  padding: var(--space-3xl) 0;
}

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

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: var(--space-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--color-gray-900);
  color: white;
  padding: var(--space-2xl) 0 var(--space-md);
}

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

.footer-section h3 {
  color: var(--color-primary-light);
  margin-bottom: var(--space-md);
}

.footer-section p,
.footer-section a {
  color: var(--color-gray-200);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--color-gray-700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-primary);
  transform: translateY(-4px);
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-700);
  padding-top: var(--space-md);
  text-align: center;
  color: var(--color-gray-300);
}

/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

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

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
  .nav-cta {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }

  .hero {
    min-height: 100vh;
    padding: var(--space-2xl) 0;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .destin-mascot {
    margin: 0 auto;
  }

  .rs-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    --space-3xl: 3rem;
    --space-2xl: 2rem;
  }

  .logo {
    height: 50px;
  }

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