/* ============================================================
   Kwintet - Custom Stylesheet
   ============================================================
   Supplements Tailwind CSS (loaded via CDN).
   All brand tokens live in CSS custom properties for easy theming.
   ============================================================ */

/* ----- 1. Custom Properties (Design Tokens) ---------------- */
:root {
  /* Brand palette */
  --color-yellow:       #FDD808;
  --color-green:        #95e06c;
  --color-green-dark:   #7bc74d;
  --color-navy:         #24285B;
  --color-text:         #333333;
  --color-light-bg:     #f5f5f5;
  --color-white:        #ffffff;

  /* Gradients */
  --gradient-green: linear-gradient(135deg, var(--color-green), var(--color-green-dark));

  /* Typography */
  --font-family: 'Montserrat', sans-serif;

  /* Layout */
  --max-width: 1440px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s ease;
  --transition-slow: 0.6s ease;

  /* Shadows */
  --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.12);

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

/* ----- 2. Base / Reset ------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

/* ----- 3. Layout Utilities --------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section-padding {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

/* ----- 4. Navbar ------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-white);
  transition: box-shadow var(--transition-base),
              padding var(--transition-base);
  padding: 1rem 0;
}

.navbar.scrolled {
  box-shadow: var(--shadow-nav);
  padding: 0.6rem 0;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.navbar__logo img {
  height: 40px;
  transition: height var(--transition-base);
}

.navbar.scrolled .navbar__logo img {
  height: 34px;
}

/* Desktop nav links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar__link {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.25rem 0;
  color: var(--color-text);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-green);
  transition: width var(--transition-base);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__link.active {
  color: var(--color-navy);
  font-weight: 600;
}

/* Services dropdown */
.navbar__dropdown {
  position: relative;
}

.navbar__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.95rem;
  background: none;
  border: none;
  font-family: var(--font-family);
  color: var(--color-text);
  padding: 0.25rem 0;
}

.navbar__dropdown-toggle svg {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
}

.navbar__dropdown.open .navbar__dropdown-toggle svg {
  transform: rotate(180deg);
}

.navbar__dropdown-menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-hover);
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast),
              visibility var(--transition-fast),
              transform var(--transition-fast);
  transform: translateX(-50%) translateY(8px);
  padding: 0.5rem 0;
  z-index: 100;
}

.navbar__dropdown.open .navbar__dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.navbar__dropdown-menu a {
  display: block;
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

.navbar__dropdown-menu a:hover {
  background-color: var(--color-light-bg);
  color: var(--color-navy);
}

/* Mobile hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.navbar__hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition-base),
              opacity var(--transition-base);
  transform-origin: center;
}

.navbar__hamburger.open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.navbar__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger.open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile menu panel */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
  z-index: 999;
  padding: 5rem 2rem 2rem;
  transition: right var(--transition-base);
  overflow-y: auto;
}

.navbar__mobile-menu.open {
  right: 0;
}

.navbar__mobile-menu a {
  display: block;
  padding: 0.85rem 0;
  font-weight: 500;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--color-light-bg);
}

.navbar__mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.navbar__mobile-overlay.open {
  opacity: 1;
}

/* ----- 5. Buttons ------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

/* Green filled CTA */
.btn--green {
  background: var(--gradient-green);
  color: var(--color-white);
  border-color: transparent;
}

.btn--green:hover {
  box-shadow: 0 4px 16px rgba(149, 224, 108, 0.45);
}

/* Yellow filled */
.btn--yellow {
  background-color: var(--color-yellow);
  color: var(--color-navy);
  border-color: transparent;
}

.btn--yellow:hover {
  box-shadow: 0 4px 16px rgba(253, 216, 8, 0.45);
}

/* Navy filled */
.btn--navy {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: transparent;
}

.btn--navy:hover {
  box-shadow: 0 4px 16px rgba(36, 40, 91, 0.3);
}

/* Outlined variants */
.btn--outline-green {
  background-color: transparent;
  color: var(--color-green-dark);
  border-color: var(--color-green);
}

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

.btn--outline-navy {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

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

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

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

/* Small variant */
.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

/* Large variant */
.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

/* ----- 6. Hero Section ------------------------------------- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-white);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__content {
  max-width: 580px;
}

.hero__tagline {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-green-dark);
  margin-bottom: 1rem;
}

.hero__title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero__title span {
  color: var(--color-green);
}

.hero__description {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #666;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__image img {
  max-width: 100%;
  animation: float 6s ease-in-out infinite;
}

/* ----- 7. Green Banner / CTA Section (Wave BG) ------------- */
.green-banner {
  position: relative;
  background: var(--gradient-green);
  color: var(--color-white);
  padding: 4rem 0;
  text-align: center;
  overflow: hidden;
}

.green-banner__wave-top,
.green-banner__wave-bottom {
  position: absolute;
  left: 0;
  width: 100%;
  line-height: 0;
  overflow: hidden;
}

.green-banner__wave-top {
  top: -1px;
}

.green-banner__wave-bottom {
  bottom: -1px;
}

.green-banner__wave-top svg,
.green-banner__wave-bottom svg {
  display: block;
  width: 100%;
  height: 60px;
}

.green-banner__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.green-banner__text {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2rem;
  opacity: 0.95;
}

/* ----- 7b. Marquee ----------------------------------------- */
.marquee-container {
  overflow: hidden;
  white-space: nowrap;
  padding: 1rem 0;
}

.marquee-track {
  display: inline-flex;
  animation: marquee-scroll 20s linear infinite;
}

.marquee-text {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding-right: 3rem;
  opacity: 0.85;
}

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

/* ----- 7c. Client Carousel (2-row sliding) ----------------- */
.client-carousel {
  overflow: hidden;
  position: relative;
}

.client-carousel-track {
  display: flex;
  width: max-content;
}

.client-carousel-slide {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  width: calc(100vw - 10rem);
  max-width: 1200px;
  padding: 0 1rem;
}

/* Each row scrolls independently via its own wrapper */
.client-carousel-row-wrap {
  overflow: hidden;
}

.client-carousel-row {
  display: flex;
  gap: 3rem;
  align-items: center;
  width: max-content;
}

.client-carousel-row--left {
  animation: row-scroll-left 50s linear infinite;
}

.client-carousel-row--right {
  animation: row-scroll-right 50s linear infinite;
}

.client-carousel-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 190px;
  height: 70px;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: filter var(--transition-base), opacity var(--transition-base);
}

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

.client-carousel-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

@keyframes row-scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes row-scroll-right {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.client-carousel:hover .client-carousel-row--left,
.client-carousel:hover .client-carousel-row--right {
  animation-play-state: paused;
}

@media (max-width: 768px) {
  .client-carousel-item {
    width: 120px;
    height: 50px;
  }
  .client-carousel-row {
    gap: 2rem;
  }
}

/* Navy/Indigo CTA button (used in green banner) */
.btn-navy-cta {
  display: inline-block;
  padding: 0.85rem 2rem;
  background-color: #4E4FEB;
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}
.btn-navy-cta:hover {
  background-color: #3a3bd4;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(78, 79, 235, 0.4);
}

/* ----- 8. Client Logos Grid -------------------------------- */
.client-logos {
  padding: 4rem 0;
  background-color: var(--color-white);
}

.client-logos__heading {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #999;
  margin-bottom: 2.5rem;
}

.client-logos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 2rem;
  align-items: center;
  justify-items: center;
}

.client-logos__item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: filter var(--transition-base),
              opacity var(--transition-base);
}

.client-logos__item:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.client-logos__item img {
  max-height: 48px;
  object-fit: contain;
}

/* ----- 9. Facts / Stats Section ---------------------------- */
.stats {
  background-color: var(--color-light-bg);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stats__item {
  padding: 2rem 1rem;
}

.stats__number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stats__number .stats__suffix {
  font-size: 0.65em;
}

.stats__label {
  font-size: 0.95rem;
  color: #666;
  font-weight: 500;
}

/* ----- 10. Service Page - Alternating Layout --------------- */
.service-section {
  overflow: hidden;
}

.service-section__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.service-section__row:nth-child(even) .service-section__content {
  order: 2;
}

.service-section__row:nth-child(even) .service-section__visual {
  order: 1;
}

.service-section__row + .service-section__row {
  margin-top: 5rem;
}

.service-section__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-white);
}

.service-section__title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

.service-section__text {
  font-size: 1rem;
  color: #666;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.service-section__visual img {
  border-radius: var(--radius-lg);
}

/* ----- 11. Team Member Cards ------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

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

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

.team-card__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.team-card__info {
  padding: 1.25rem 1.5rem;
  text-align: center;
}

.team-card__name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.25rem;
}

.team-card__role {
  font-size: 0.9rem;
  color: #888;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.team-card__socials {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.team-card__socials a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-navy);
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

.team-card__socials a:hover {
  background-color: var(--color-green);
  color: var(--color-white);
}

/* ----- 12. Satisfied Clients / Testimonials Carousel ------- */
.testimonials {
  background: var(--gradient-green);
  color: var(--color-white);
  overflow: hidden;
}

.testimonials__heading {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 3rem;
}

.carousel {
  position: relative;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel__slide {
  min-width: 100%;
  padding: 0 1rem;
}

.testimonial-card {
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.testimonial-card__quote {
  font-size: 1.1rem;
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 1.5rem;
  opacity: 0.95;
}

.testimonial-card__author {
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-card__company {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-top: 0.25rem;
}

.carousel__controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
}

.carousel__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast);
}

.carousel__btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: var(--color-white);
}

.carousel__dots {
  display: flex;
  gap: 0.5rem;
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background-color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              transform var(--transition-fast);
  padding: 0;
}

.carousel__dot.active {
  background-color: var(--color-white);
  transform: scale(1.3);
}

/* ----- 13. Blog Cards -------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base),
              transform var(--transition-base);
}

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

.blog-card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.blog-card__body {
  padding: 1.5rem;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: #999;
  margin-bottom: 0.75rem;
}

.blog-card__category {
  font-weight: 600;
  color: var(--color-green-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.blog-card__excerpt {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.blog-card__link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-green-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.blog-card__link:hover {
  gap: 0.6rem;
}

/* Blog carousel variant (horizontal scroll) */
.blog-carousel {
  position: relative;
  overflow: hidden;
}

.blog-carousel__track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s ease;
}

.blog-carousel__track .blog-card {
  min-width: calc(33.333% - 1rem);
  flex-shrink: 0;
}

/* ----- 14. Contact Form (Green Sidebar + White Form) ------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  min-height: 600px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
}

.contact__sidebar {
  background: var(--gradient-green);
  color: var(--color-white);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact__sidebar-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact__sidebar-text {
  font-size: 0.95rem;
  opacity: 0.9;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact__sidebar-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact__sidebar-info-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.contact__sidebar-info-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.85;
}

.contact__form-area {
  background-color: var(--color-white);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid #ddd;
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 0.95rem;
  color: var(--color-text);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(149, 224, 108, 0.2);
}

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

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

/* ----- 15. Footer ------------------------------------------ */
.footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 4rem 0 2rem;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 3rem;
}

.footer__links-left,
.footer__links-right {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__links-right {
  text-align: right;
}

.footer__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__center {
  text-align: center;
}

.footer__logo img {
  height: 48px;
  margin: 0 auto 1rem;
}

.footer__socials {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.footer__socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
}

.footer__socials a:hover {
  background-color: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ----- 16. Section Headings (reusable) --------------------- */
.section-heading {
  text-align: center;
  margin-bottom: 3rem;
}

.section-heading__subtitle {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-green-dark);
  margin-bottom: 0.5rem;
}

.section-heading__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.section-heading__description {
  max-width: 600px;
  margin: 0 auto;
  color: #666;
  font-size: 1rem;
}

/* ----- 17. Animation Keyframes ----------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* ----- 18. Scroll-Triggered Animation Utility -------------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Directional variants */
.animate-on-scroll.from-left {
  transform: translateX(-40px);
}

.animate-on-scroll.from-left.visible {
  transform: translateX(0);
}

.animate-on-scroll.from-right {
  transform: translateX(40px);
}

.animate-on-scroll.from-right.visible {
  transform: translateX(0);
}

.animate-on-scroll.scale-in {
  transform: scale(0.92);
}

.animate-on-scroll.scale-in.visible {
  transform: scale(1);
}

/* Staggered child delays */
.stagger-children > .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.stagger-children > .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.stagger-children > .animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.stagger-children > .animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.stagger-children > .animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

/* ----- HTML class aliases (used across all pages) ----------- */

/* Directional fade aliases */
.animate-on-scroll.fade-up {
  transform: translateY(30px);
}
.animate-on-scroll.fade-up.visible {
  transform: translateY(0);
}

.animate-on-scroll.fade-left {
  transform: translateX(40px);
}
.animate-on-scroll.fade-left.visible {
  transform: translateX(0);
}

.animate-on-scroll.fade-right {
  transform: translateX(-40px);
}
.animate-on-scroll.fade-right.visible {
  transform: translateX(0);
}

/* Delay modifiers */
.delay-1 { transition-delay: 0.15s !important; }
.delay-2 { transition-delay: 0.3s !important; }
.delay-3 { transition-delay: 0.45s !important; }

/* Floating animation for illustrations */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* Button styles */
.btn-outline {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border: 1.5px solid var(--color-text);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-align: center;
}
.btn-outline:hover {
  background-color: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(149, 224, 108, 0.3);
}

.btn-green {
  display: inline-block;
  padding: 0.75rem 2rem;
  background-color: var(--color-green);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}
.btn-green:hover {
  background-color: var(--color-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(149, 224, 108, 0.4);
}

.btn-dark {
  display: inline-block;
  padding: 0.75rem 2rem;
  background-color: var(--color-text);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-dark:hover {
  background-color: var(--color-navy);
  transform: translateY(-2px);
}

/* Service icon boxes */
.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-green);
  border-radius: var(--radius-sm);
  color: white;
  flex-shrink: 0;
}

/* Client logo grid item */
.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
  padding: 0.5rem;
}

/* Counter number styling */
.counter {
  font-variant-numeric: tabular-nums;
}

/* Navbar scroll state - works with #navbar */
#navbar.scrolled {
  box-shadow: var(--shadow-nav);
}
#navbar.scrolled .h-20 { height: 4rem; }
#navbar.scrolled .lg\:h-24 { height: 4.5rem; }
#navbar.scrolled img { transition: height var(--transition-base); }

/* ----- 19. Responsive -------------------------------------- */

/* Tablet */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__image {
    max-width: 500px;
    margin: 0 auto;
  }

  .service-section__row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .service-section__row:nth-child(even) .service-section__content,
  .service-section__row:nth-child(even) .service-section__visual {
    order: unset;
  }

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

  .footer__top {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .footer__links-left,
  .footer__links-right {
    text-align: center;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .blog-carousel__track .blog-card {
    min-width: calc(50% - 0.75rem);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .section-padding {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .navbar__links {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__mobile-menu {
    display: block;
  }

  .navbar__mobile-overlay {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: 3rem 0;
  }

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

  .team-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

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

  .blog-carousel__track .blog-card {
    min-width: calc(100% - 1rem);
  }

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

  .contact__sidebar {
    padding: 2rem 1.5rem;
  }

  .contact__form-area {
    padding: 2rem 1.5rem;
  }

  .green-banner {
    padding: 3rem 0;
  }

  .client-logos__grid {
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 1rem;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

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

  .hero__title {
    font-size: 1.75rem;
  }

  .hero__description {
    font-size: 1rem;
  }

  .btn--lg {
    padding: 0.85rem 1.5rem;
    font-size: 0.95rem;
  }

  .testimonial-card {
    padding: 1.5rem;
  }
}

/* ----- 20. Print ------------------------------------------- */
@media print {
  .navbar,
  .footer,
  .green-banner,
  .carousel__controls {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  .animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}