/* ============================================
   B2B Sustainability Consulting Firm
   Complete Stylesheet
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --color-primary: #1A1A2E;
  --color-light-bg: #F5F5F5;
  --color-accent: #00B894;
  --color-accent-hover: #00a383;
  --color-secondary: #0984E3;
  --color-tertiary: #6C5CE7;
  --color-white: #FFFFFF;
  --color-text-light: #B0B0B0;
  --color-text-dark-heading: #1A1A2E;
  --color-text-dark-body: #4A4A4A;
  --color-footer-bg: #111122;
  --color-overlay: rgba(26, 26, 46, 0.7);

  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-size-base: 17px;
  --line-height-base: 1.7;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --container-padding: 0 24px;

  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 4px;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-dark-body);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ---------- Utility Classes ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section-padding {
  padding: var(--section-padding);
}

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

.bg-light {
  background-color: var(--color-light-bg);
}

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

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

h4 {
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.section-title {
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  font-weight: 400;
  line-height: 1.6;
  max-width: 700px;
  margin: 0 auto 48px;
}

.bg-dark .section-subtitle {
  color: var(--color-text-light);
}

.bg-light .section-subtitle,
.bg-white .section-subtitle {
  color: var(--color-text-dark-body);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 184, 148, 0.3);
}

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

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

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

.btn-white:hover {
  background-color: var(--color-light-bg);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

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

.btn-dark:hover {
  background-color: #2a2a4e;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.875rem;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-fast);
  padding: 20px 0;
}

.site-header.scrolled {
  background-color: var(--color-primary);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-logo img {
  height: 40px;
  width: auto;
  transition: height var(--transition-fast);
}

.site-header.scrolled .header-logo img {
  height: 34px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-cta {
  margin-left: 8px;
}

/* Hamburger Menu */
.hamburger-btn {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1001;
}

.hamburger-btn img {
  width: 24px;
  height: 24px;
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(26, 26, 46, 0.97);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-medium);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-overlay .nav-link {
  font-size: 1.5rem;
  font-weight: 600;
  padding: 12px 24px;
}

.mobile-nav-overlay .nav-link::after {
  display: none;
}

.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mobile-nav-close img {
  width: 24px;
  height: 24px;
}

/* ---------- Hero Sections ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  color: var(--color-white);
}

.hero-home {
  min-height: 100vh;
}

.hero-internal {
  min-height: 55vh;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(26, 26, 46, 0.65) 0%, rgba(26, 26, 46, 0.75) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  padding: 0 24px;
}

.hero-content h1 {
  margin-bottom: 24px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s infinite;
  opacity: 0.7;
}

.scroll-indicator img {
  width: 40px;
  height: 40px;
}

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

/* ---------- Client Logo Bar ---------- */
.client-logos-section {
  padding: 60px 0;
  background-color: var(--color-white);
  overflow: hidden;
}

.client-logos-section .section-label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 32px;
  font-weight: 500;
}

.logo-carousel {
  display: flex;
  animation: scrollLogos 30s linear infinite;
  width: max-content;
}

.logo-carousel:hover {
  animation-play-state: paused;
}

.logo-carousel-item {
  flex-shrink: 0;
  width: 160px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 30px;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: all var(--transition-fast);
}

.logo-carousel-item:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.logo-carousel-item img {
  max-width: 140px;
  max-height: 50px;
  object-fit: contain;
}

@keyframes scrollLogos {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Value Proposition Section ---------- */
.value-prop-section {
  padding: 100px 0;
}

.value-prop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.value-prop-text h2 {
  color: var(--color-white);
  margin-bottom: 24px;
  line-height: 1.25;
}

.value-prop-text p {
  color: var(--color-text-light);
  font-size: 1.05rem;
  line-height: 1.8;
}

.value-prop-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.impact-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding-top: 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 16px;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 8px;
  line-height: 1;
}

.stat-label {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ---------- Featured Services Section ---------- */
.services-preview-section {
  padding: 100px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 48px;
}

.service-card {
  position: relative;
  height: 420px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
}

.service-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.service-card:hover .service-card-bg {
  transform: scale(1.05);
}

.service-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(26, 26, 46, 0.3) 0%, rgba(26, 26, 46, 0.85) 100%);
  transition: background var(--transition-fast);
}

.service-card:hover .service-card-overlay {
  background: linear-gradient(180deg, rgba(26, 26, 46, 0.2) 0%, rgba(26, 26, 46, 0.75) 100%);
}

.service-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px;
  z-index: 2;
  color: var(--color-white);
}

.service-card-content h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.service-card-content p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---------- Featured Portfolio Section ---------- */
.portfolio-preview-section {
  padding: 100px 0;
}

.portfolio-asymmetric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
  height: 600px;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.portfolio-item:first-child {
  grid-row: 1 / 3;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 26, 46, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
  padding: 20px;
  text-align: center;
}

.portfolio-item:hover .portfolio-item-overlay {
  opacity: 1;
}

.portfolio-item-overlay h4 {
  color: var(--color-white);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.portfolio-item-overlay .portfolio-meta {
  color: var(--color-text-light);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-white);
  font-weight: 600;
  margin-top: 48px;
  font-size: 1.05rem;
  transition: color var(--transition-fast);
}

.portfolio-link:hover {
  color: var(--color-accent);
}

.portfolio-link img {
  width: 20px;
  height: 20px;
}

/* ---------- Testimonials Section ---------- */
.testimonials-section {
  padding: 100px 0;
}

.testimonial-carousel {
  position: relative;
  max-width: 800px;
  margin: 48px auto 0;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform var(--transition-medium);
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 20px;
}

.testimonial-card {
  text-align: center;
  padding: 40px;
}

.testimonial-quote-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 24px;
  opacity: 0.3;
}

.testimonial-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-text-dark-body);
  font-style: italic;
  margin-bottom: 32px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.testimonial-author-photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author-info {
  text-align: left;
}

.testimonial-author-name {
  font-weight: 700;
  color: var(--color-text-dark-heading);
  font-size: 1rem;
}

.testimonial-author-title {
  font-size: 0.85rem;
  color: var(--color-text-dark-body);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  background: transparent;
}

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

.carousel-btn:hover img {
  filter: brightness(10);
}

.carousel-btn img {
  width: 18px;
  height: 18px;
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-text-light);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel-dot.active {
  background-color: var(--color-accent);
  transform: scale(1.2);
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-accent) 0%, #0984E3 100%);
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  max-width: 700px;
  margin: 0 auto 40px;
}

/* ---------- Footer ---------- */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-text-light);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 60px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-logo {
  height: 36px;
  width: auto;
  margin-bottom: 16px;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-contact-item img {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--color-accent);
  background-color: rgba(0, 184, 148, 0.1);
}

.footer-social img {
  width: 16px;
  height: 16px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- Services Page ---------- */
.service-detail-section {
  padding: 100px 0;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.service-detail-grid.reversed {
  direction: rtl;
}

.service-detail-grid.reversed > * {
  direction: ltr;
}

.service-detail-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.service-detail-content h2 {
  margin-bottom: 20px;
}

.bg-dark .service-detail-content h2 {
  color: var(--color-white);
}

.service-detail-content > p {
  margin-bottom: 32px;
  line-height: 1.8;
}

.bg-dark .service-detail-content > p {
  color: var(--color-text-light);
}

.sub-services-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sub-service-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.sub-service-item img {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  margin-top: 2px;
}

.sub-service-item span {
  font-size: 0.95rem;
  line-height: 1.5;
}

.bg-dark .sub-service-item span {
  color: var(--color-text-light);
}

/* Process Section */
.process-section {
  padding: 100px 0;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 60px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 16px;
  line-height: 1;
  background: var(--color-light-bg);
  display: inline-block;
  padding: 0 12px;
}

.process-step h4 {
  margin-bottom: 12px;
  color: var(--color-text-dark-heading);
}

.process-step p {
  font-size: 0.9rem;
  color: var(--color-text-dark-body);
  line-height: 1.6;
}

/* ---------- Portfolio Page ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  padding: 40px 0;
  background-color: var(--color-white);
  position: sticky;
  top: 70px;
  z-index: 50;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.filter-btn {
  padding: 10px 24px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 30px;
  border: 1px solid #ddd;
  background: var(--color-white);
  color: var(--color-text-dark-body);
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 60px 0;
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
  aspect-ratio: 3 / 4;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.portfolio-card.hidden {
  display: none;
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

.portfolio-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 26, 46, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
  padding: 24px;
  text-align: center;
}

.portfolio-card:hover .portfolio-card-overlay {
  opacity: 1;
}

.portfolio-card-overlay h4 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.portfolio-card-overlay .card-meta {
  color: var(--color-text-light);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.portfolio-card-overlay .card-standard {
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}

/* ---------- Blog / Insights Page ---------- */
.blog-section {
  padding: 80px 0;
}

.featured-post {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid #eee;
}

.featured-post-image img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.featured-post-content .post-category {
  display: inline-block;
  background-color: var(--color-tertiary);
  color: var(--color-white);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.featured-post-content h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  color: var(--color-text-dark-heading);
}

.featured-post-content p {
  color: var(--color-text-dark-body);
  margin-bottom: 16px;
  line-height: 1.7;
}

.post-date {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
  transition: all var(--transition-fast);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.blog-card-image {
  height: 220px;
  overflow: hidden;
}

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

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

.blog-card-content {
  padding: 24px;
}

.blog-card-content .post-category {
  display: inline-block;
  background-color: var(--color-tertiary);
  color: var(--color-white);
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.blog-card-content h4 {
  margin-bottom: 10px;
  color: var(--color-text-dark-heading);
  line-height: 1.4;
}

.blog-card-content p {
  font-size: 0.9rem;
  color: var(--color-text-dark-body);
  margin-bottom: 12px;
  line-height: 1.6;
}

.blog-card-content .post-date {
  font-size: 0.8rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 60px;
}

.pagination-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-dark-body);
  background: var(--color-white);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.pagination-btn:hover,
.pagination-btn.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ---------- About Page ---------- */
.story-section {
  padding: 100px 0;
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.story-content h2 {
  margin-bottom: 24px;
  color: var(--color-text-dark-heading);
}

.story-content p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--color-text-dark-body);
}

.story-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

/* Team Section */
.team-section {
  padding: 100px 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 48px;
}

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

.team-card-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  transition: transform var(--transition-fast);
}

.team-card:hover .team-card-photo {
  transform: scale(1.03);
}

.team-card h4 {
  color: var(--color-white);
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.team-card .team-role {
  color: var(--color-text-light);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.team-card .team-linkedin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-fast);
}

.team-card .team-linkedin:hover {
  border-color: var(--color-accent);
  background-color: rgba(0, 184, 148, 0.1);
}

.team-card .team-linkedin img {
  width: 14px;
  height: 14px;
}

/* Impact Counters */
.impact-section {
  padding: 100px 0;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.impact-item .impact-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.impact-item .impact-label {
  font-size: 0.95rem;
  color: var(--color-text-dark-body);
}

/* ---------- Contact Page ---------- */
.contact-section {
  padding: 100px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 60px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-dark-heading);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px;
  border: 1px solid #ddd;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
  background: var(--color-white);
  color: var(--color-text-dark-body);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  outline: none;
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-info {
  padding: 40px;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  height: fit-content;
}

.contact-info h3 {
  margin-bottom: 24px;
  font-size: 1.3rem;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.contact-info-item img {
  width: 22px;
  height: 22px;
  opacity: 0.8;
}

.contact-info-item a {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

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

.contact-info .divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 24px 0;
}

.contact-info .schedule-text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- Responsive Design ---------- */

/* Tablet: 768px - 1199px */
@media (max-width: 1199px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

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

  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .process-steps::before {
    display: none;
  }

  .step-number {
    background: transparent;
  }

  .portfolio-asymmetric-grid {
    height: auto;
  }

  .portfolio-asymmetric-grid .portfolio-item:first-child {
    grid-row: auto;
  }
}

/* Mobile: up to 767px */
@media (max-width: 767px) {
  :root {
    --section-padding: 60px 0;
  }

  .main-nav {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .hero-home {
    min-height: 100vh;
  }

  .hero-internal {
    min-height: 45vh;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .hero-content p {
    font-size: 0.95rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .value-prop-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .impact-stats {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .service-card {
    height: 320px;
  }

  .portfolio-asymmetric-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    height: auto;
  }

  .portfolio-asymmetric-grid .portfolio-item {
    height: 300px;
  }

  .portfolio-asymmetric-grid .portfolio-item:first-child {
    grid-row: auto;
  }

  .featured-post {
    grid-template-columns: 1fr;
  }

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

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

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

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .service-detail-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .service-detail-grid.reversed {
    direction: ltr;
  }

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

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

  .filter-bar {
    gap: 8px;
    padding: 20px 16px;
    top: 60px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
  }
}