/* ========================================
   KAHIMA DEVELOPMENT - Stylesheet
   Corporate Environmental Engineering
   ======================================== */

/* CSS Variables */
:root {
  --color-primary: #0d5c4b;
  --color-primary-dark: #094236;
  --color-primary-light: #e8f4f1;
  --color-accent: #2dd4aa;
  --color-white: #ffffff;
  --color-black: #1a1a1a;
  --color-gray-100: #f5f7f6;
  --color-gray-200: #e5e7eb;
  --color-gray-500: #6b7280;
  --color-gray-700: #374151;
  --color-gray-900: #111827;
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --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);
  
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-2xl: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-700);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 2rem;
  }
}

/* ========================================
   Typography
   ======================================== */

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

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
}

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

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

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

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

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* ========================================
   Top Bar
   ======================================== */

.top-bar {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 0;
  font-size: 0.875rem;
  transition: transform var(--transition-base);
}

.top-bar.hidden {
  transform: translateY(-100%);
}

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

.top-bar-left {
  display: flex;
  gap: 1.5rem;
}

.top-bar-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.9;
}

.top-bar-link:hover {
  opacity: 1;
}

.top-bar-link span {
  display: none;
}

@media (min-width: 640px) {
  .top-bar-link span {
    display: inline;
  }
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
  position: fixed;
  top: 37px;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: transparent;
  transition: all var(--transition-base);
  padding: 1rem 0;
}

.navbar.scrolled {
  top: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 0;
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  transition: all var(--transition-base);
}

.navbar.scrolled .logo-icon {
  background-color: var(--color-primary);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

.navbar.scrolled .logo-name {
  color: var(--color-primary);
}

.logo-tagline {
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.8);
}

.navbar.scrolled .logo-tagline {
  color: var(--color-gray-500);
}

/* Nav Menu */
.nav-menu {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
}

.navbar.scrolled .nav-link {
  color: var(--color-gray-700);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
  color: var(--color-primary);
}

.nav-cta {
  display: none;
}

@media (min-width: 1024px) {
  .nav-menu {
    display: flex;
  }
  
  .nav-cta {
    display: inline-flex;
  }
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  transition: all var(--transition-base);
}

.navbar.scrolled .mobile-menu-btn span {
  background-color: var(--color-gray-700);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background-color: var(--color-white);
  z-index: 999;
  padding: 6rem 2rem 2rem;
  transition: right var(--transition-base);
}

.mobile-menu.active {
  right: 0;
}

.mobile-nav-menu {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-gray-900);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  margin: 0 -2rem;
  padding: 0.75rem 2rem;
}

.mobile-cta {
  margin-top: 2rem;
  width: 100%;
}

/* ========================================
   Hero Slider
   ======================================== */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-slider {
  position: relative;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.6));
}

.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  color: var(--color-white);
  z-index: 2;
}

.hero-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  max-width: 800px;
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.7s ease 0.3s;
}

.hero-slide.active .hero-title {
  opacity: 1;
  transform: translateY(0);
}

.hero-subtitle {
  font-size: 1.125rem;
  opacity: 0.9;
  max-width: 600px;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.7s ease 0.5s;
}

.hero-slide.active .hero-subtitle {
  opacity: 0.9;
  transform: translateY(0);
}

.hero-content .btn {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.7s ease 0.7s;
}

.hero-slide.active .btn {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

/* Hero Dots */
.hero-dots {
  position: absolute;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 3;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.hero-dot.active {
  background-color: var(--color-white);
  width: 30px;
  border-radius: 5px;
}

/* Hero Arrows */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: none;
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  z-index: 3;
}

.hero-arrow:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.hero-arrow-prev {
  left: 1rem;
}

.hero-arrow-next {
  right: 1rem;
}

@media (min-width: 768px) {
  .hero-arrow-prev {
    left: 2rem;
  }
  
  .hero-arrow-next {
    right: 2rem;
  }
}

/* Hero Scroll */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  z-index: 3;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ========================================
   Page Hero
   ======================================== */

.page-hero {
  position: relative;
  height: 50vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  margin-top: 0;
}

.page-hero-sm {
  height: 40vh;
  min-height: 300px;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
}

.page-hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
  padding-top: 80px;
}

.page-hero-tag {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.page-hero-title {
  font-size: 2.5rem;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.page-hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 600px;
}

@media (min-width: 768px) {
  .page-hero-title {
    font-size: 3.5rem;
  }
}

/* ========================================
   Sections
   ======================================== */

.section {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 5rem 0;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 7rem 0;
  }
}

.section-tag {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-gray-500);
  max-width: 600px;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header.light .section-tag,
.section-header.light .section-title,
.section-header.light .section-description {
  color: var(--color-white);
}

.section-header.light .section-description {
  opacity: 0.8;
}

.section-header-row {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .section-header-row {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

.section-cta {
  text-align: center;
  margin-top: 3rem;
}

/* ========================================
   About Preview
   ======================================== */

.about-grid {
  display: grid;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.about-text {
  margin-bottom: 1.5rem;
}

.about-text p {
  margin-bottom: 1rem;
  color: var(--color-gray-600);
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-xl);
}

.about-card {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background-color: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 200px;
}

.about-card-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.about-card-text {
  font-size: 0.875rem;
  color: var(--color-gray-600);
}

/* About Images Grid */
.about-images {
  position: relative;
}

.about-image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.about-img-1,
.about-img-2 {
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  height: 250px;
  object-fit: cover;
}

.about-img-2 {
  margin-top: 2rem;
}

.about-stat-card {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--border-radius-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-stat-card-alt {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  margin-top: 2rem;
}

.about-stat-number {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.about-stat-text {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* Mission Grid */
.mission-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .mission-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.mission-card {
  background-color: var(--color-gray-100);
  padding: 2rem;
  border-radius: var(--border-radius-2xl);
}

.mission-card-alt {
  background-color: var(--color-primary-light);
}

.mission-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.mission-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.mission-card p {
  color: var(--color-gray-600);
}

/* ========================================
   Stats
   ======================================== */

.stats {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 500px;
  height: 500px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.stats::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 400px;
  height: 400px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.stats-title {
  text-align: center;
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}

.stat-suffix {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  opacity: 0.8;
}

/* ========================================
   Expertises
   ======================================== */

.expertises-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .expertises-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .expertises-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.expertise-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.expertise-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.expertise-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.expertise-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.expertise-card:hover .expertise-image img {
  transform: scale(1.05);
}

.expertise-icon {
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 3rem;
  height: 3rem;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.expertise-content {
  padding: 1.5rem;
}

.expertise-content h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  transition: color var(--transition-base);
}

.expertise-card:hover .expertise-content h3 {
  color: var(--color-primary);
}

.expertise-content p {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-bottom: 1rem;
}

/* ========================================
   Services
   ======================================== */

.services {
  background-color: var(--color-gray-100);
}

.services-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.service-card {
  background-color: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-icon {
  width: 3.5rem;
  height: 3.5rem;
  background-color: var(--color-primary-light);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.service-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  transition: color var(--transition-base);
}

.service-card:hover h3 {
  color: var(--color-primary);
}

.service-card p {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-bottom: 1rem;
}

/* ========================================
   Projects
   ======================================== */

.projects-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .project-card-large {
    grid-column: span 2;
  }
}

.project-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  display: grid;
}

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

@media (min-width: 768px) {
  .project-card-large {
    grid-template-columns: 1fr 1fr;
  }
}

.project-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.project-card-large .project-image {
  height: 100%;
  min-height: 300px;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.project-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  transition: color var(--transition-base);
}

.project-card:hover .project-content h3 {
  color: var(--color-primary);
}

.project-content p {
  color: var(--color-gray-600);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

.project-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ========================================
   Impact
   ======================================== */

.impact {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.impact::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 10%;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.impact::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: 5%;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.impact-grid {
  display: grid;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 640px) {
  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .impact-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.impact-card {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 1.5rem;
  border-radius: var(--border-radius-2xl);
  transition: all var(--transition-base);
}

.impact-card:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.impact-icon {
  width: 3.5rem;
  height: 3.5rem;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.impact-value {
  margin-bottom: 0.5rem;
}

.impact-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-white);
}

.impact-unit {
  font-size: 1rem;
  color: var(--color-accent);
  margin-left: 0.25rem;
}

.impact-card h3 {
  font-size: 1.125rem;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.impact-card p {
  font-size: 0.875rem;
  opacity: 0.7;
}

/* Certification Stats */
.about-certif-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-certif-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.certif-text {
  color: rgba(255, 255, 255, 0.8);
  margin: 1.5rem 0;
}

.certif-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.certif-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
}

.certif-list svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.certif-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

/* ========================================
   News
   ======================================== */

.news-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .news-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.news-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.news-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-image img {
  transform: scale(1.05);
}

.news-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.news-content {
  padding: 1.5rem;
}

.news-date {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: 0.75rem;
}

.news-content h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  transition: color var(--transition-base);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card:hover .news-content h3 {
  color: var(--color-primary);
}

.news-content p {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========================================
   CTA
   ======================================== */

.cta {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background-color: var(--color-primary-light);
  border-radius: 50%;
  opacity: 0.5;
}

.cta::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -20%;
  width: 500px;
  height: 500px;
  background-color: var(--color-gray-100);
  border-radius: 50%;
  opacity: 0.5;
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .cta-title {
    font-size: 2.5rem;
  }
}

.cta-description {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .cta-buttons {
    flex-direction: row;
  }
}

.cta-contact {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

@media (min-width: 640px) {
  .cta-contact {
    flex-direction: row;
  }
}

.cta-contact a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-gray-600);
}

.cta-contact a:hover {
  color: var(--color-primary);
}

/* ========================================
   Team
   ======================================== */

.team-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.team-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.team-image {
  aspect-ratio: 3/4;
  overflow: hidden;
}

.team-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.team-card:hover .team-image img {
  transform: scale(1.05);
}

.team-content {
  padding: 1.5rem;
}

.team-content h3 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.team-role {
  display: block;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.team-content p {
  font-size: 0.875rem;
  color: var(--color-gray-600);
}

/* ========================================
   Contact
   ======================================== */

.contact-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 2fr;
  }
}

.contact-info h2 {
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--color-gray-600);
  margin-bottom: 2rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-info-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--color-primary-light);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-info-item p,
.contact-info-item a {
  color: var(--color-gray-600);
}

.contact-info-item a:hover {
  color: var(--color-primary);
}

/* Contact Form */
.contact-form-wrapper {
  background-color: var(--color-gray-100);
  padding: 2rem;
  border-radius: var(--border-radius-2xl);
}

.contact-form-wrapper h2 {
  margin-bottom: 1.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-family: inherit;
  background-color: var(--color-white);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 92, 75, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-success {
  text-align: center;
  padding: 3rem 2rem;
}

.form-success svg {
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.form-success h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.form-success p {
  color: var(--color-gray-600);
}

/* Map Section */
.map-section {
  height: 400px;
  background-color: var(--color-primary-light);
}

.map-placeholder {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
}

.map-placeholder svg {
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.map-placeholder p {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.map-placeholder span {
  font-size: 0.875rem;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background-color: #1a2e2a;
  color: var(--color-white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

/* Footer Brand */
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-logo-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  display: block;
  line-height: 1.2;
}

.footer-logo-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 2.5rem;
  height: 2.5rem;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

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

/* Footer Nav */
.footer-nav h4,
.footer-contact h4 {
  font-size: 1.125rem;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.footer-nav ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav a,
.footer-contact a,
.footer-contact span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition-base);
}

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

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  transition: color var(--transition-base);
}

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

/* ========================================
   Scroll to Top
   ======================================== */

.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-4px);
}

/* ========================================
   Links
   ======================================== */

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-base);
}

.link-arrow:hover {
  gap: 0.75rem;
}

.link-arrow::after {
  content: '→';
  transition: transform var(--transition-base);
}

.link-arrow-sm {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
}

.link-arrow-sm::after {
  content: '→';
  transition: transform var(--transition-base);
}

.link-arrow-sm:hover::after {
  transform: translateX(4px);
}

/* ========================================
   Legal Pages
   ======================================== */

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--color-gray-900);
}

.legal-content p {
  color: var(--color-gray-600);
  margin-bottom: 1rem;
}

.legal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-content ul li {
  color: var(--color-gray-600);
  margin-bottom: 0.5rem;
}

.legal-date {
  color: var(--color-gray-500);
  font-size: 0.875rem;
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-gray-200);
}

/* ========================================
   Expertise Detail
   ======================================== */

.expertise-detail {
  margin-bottom: 4rem;
}

.expertise-detail-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .expertise-detail-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .expertise-detail-reverse .expertise-detail-content {
    order: 1;
  }
  
  .expertise-detail-reverse .expertise-detail-image {
    order: 2;
  }
}

.expertise-detail-image {
  position: relative;
  border-radius: var(--border-radius-2xl);
  overflow: hidden;
}

.expertise-detail-image img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}

.expertise-detail-icon {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  width: 4rem;
  height: 4rem;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.expertise-detail-content h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.expertise-detail-content > p {
  color: var(--color-gray-600);
  margin-bottom: 1.5rem;
}

.expertise-features {
  display: grid;
  gap: 0.75rem;
}

.expertise-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-gray-700);
}

.expertise-features svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* CTA Box */
.cta-box {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 3rem;
  border-radius: var(--border-radius-2xl);
  text-align: center;
}

.cta-box h2 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.cta-box p {
  opacity: 0.9;
  margin-bottom: 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Filter Bar
   ======================================== */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.filter-label {
  font-weight: 500;
  color: var(--color-gray-600);
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

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

/* ========================================
   Newsletter
   ======================================== */

.newsletter-box {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 2rem;
  border-radius: var(--border-radius-2xl);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .newsletter-box {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    padding: 3rem;
  }
}

.newsletter-content h2 {
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.newsletter-content p {
  opacity: 0.9;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  width: 100%;
  max-width: 400px;
}

.newsletter-form input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 1rem;
}

.newsletter-form input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

/* ========================================
   Logo Image
   ======================================== */

.logo-img {
  height: 3rem;
  width: auto;
  object-fit: contain;
}

.footer-logo-img {
  height: 4rem;
  width: auto;
  object-fit: contain;
  margin-bottom: 1rem;
}

/* ========================================
   Empty State
   ======================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-gray-500);
}

.empty-state svg {
  margin-bottom: 1.5rem;
  opacity: 0.5;
}

.empty-state h2 {
  font-size: 1.5rem;
  color: var(--color-gray-700);
  margin-bottom: 0.5rem;
}

.empty-state p {
  max-width: 400px;
}