/* ===== CSS Variables ===== */
:root {
  /* Colors */
  --primary-blue: #0C97D0;
  --accent-blue: #0678A8;
  --deep-navy: #0B2540;
  --light-gray: #F6F8FA;
  --card-bg: #FFFFFF;
  --card-border: #E6EEF6;
  --success: #00A676;
  --text-dark: #333333;
  --text-light: #666666;
  --white: #FFFFFF;
  
  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Roboto', sans-serif;
  
  /* Spacing */
  --container-width: 1140px;
  --section-padding: 80px 0;
  --border-radius: 8px;
  --transition: all 0.3s ease;
  
  /* Shadows */
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}

/* ===== Container ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Section Styles ===== */
.section {
  padding: var(--section-padding);
}

.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--deep-navy);
  margin-bottom: 20px;
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: var(--transition);
  border-bottom: 1px solid var(--card-border);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-light);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  position: relative;
}

.nav__logo-img {
  height: 50px;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--primary-blue);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-blue);
}

.nav__cta {
  background: var(--primary-blue);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
}

.nav__cta:hover {
  background: var(--accent-blue);
  color: var(--white);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 8px;
  border-radius: 4px;
  transition: var(--transition);
}

.nav__toggle:hover {
  background: var(--light-gray);
}

.nav__toggle-line {
  width: 25px;
  height: 3px;
  background: var(--deep-navy);
  transition: var(--transition);
  border-radius: 2px;
}

/* ===== Hero Section ===== */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

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

.hero__title {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--deep-navy);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

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

.hero__feature {
  background: var(--card-bg);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--text-light);
  border: 1px solid var(--card-border);
}

.hero__img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  text-align: center;
  min-width: 150px;
  min-height: 44px; /* Touch-friendly minimum size */
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  cursor: pointer;
}

.btn--primary {
  background: var(--primary-blue);
  color: var(--white);
  box-shadow: var(--shadow-light);
}

.btn--primary:hover {
  background: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

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

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

.btn--full {
  width: 100%;
}

/* ===== Services Section ===== */
.services {
  background: var(--white);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.service__card {
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  text-align: center;
}

.service__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.service__icon {
  color: var(--primary-blue);
  margin-bottom: 1.5rem;
}

.service__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 1.5rem;
}

.service__list {
  text-align: left;
  margin-bottom: 2rem;
}

.service__list li {
  padding: 0.5rem 0;
  color: var(--text-light);
  position: relative;
  padding-left: 1.5rem;
}

.service__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}

.service__btn {
  background: var(--primary-blue);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
}

.service__btn:hover {
  background: var(--accent-blue);
}

/* ===== Clients Section ===== */
.clients {
  background: var(--light-gray);
}

.clients__carousel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.client__logo {
  opacity: 0.7;
  transition: var(--transition);
  filter: grayscale(100%);
}

.client__logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.client__img {
  height: 60px;
  width: auto;
  object-fit: contain;
}

.clients__reference {
  text-align: center;
  color: var(--text-light);
  font-style: italic;
}

/* ===== Strengths Section ===== */
.strengths {
  background: var(--white);
}

.strengths__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.strength__card {
  text-align: center;
  padding: 2rem;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  border: 1px solid var(--card-border);
  transition: var(--transition);
}

.strength__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.strength__icon {
  color: var(--primary-blue);
  margin-bottom: 1rem;
}

.strength__number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
}

.strength__number--small {
  font-size: 2.2rem;
}

.strength__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 1rem;
}

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

/* ===== Projects Section ===== */
.projects {
  background: var(--light-gray);
}

.projects__filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter__btn {
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  background: var(--white);
  color: var(--text-light);
  border: 1px solid var(--card-border);
  font-weight: 500;
  transition: var(--transition);
}

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

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project__card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.project__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.project__image {
  height: 200px;
  overflow: hidden;
}

.project__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.project__card:hover .project__img {
  transform: scale(1.05);
}

.project__content {
  padding: 1.5rem;
}

.project__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 1rem;
}

.project__details {
  color: var(--text-light);
}

.project__details li {
  padding: 0.25rem 0;
  position: relative;
  padding-left: 1rem;
}

.project__details li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary-blue);
  font-weight: bold;
}

/* ===== About Section ===== */
.about {
  background: var(--white);
}

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

.about__subtitle {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 1rem;
  margin-top: 2rem;
}

.about__text {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.directors__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.director__card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--card-border);
}

.director__name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 0.5rem;
}

.director__position {
  color: var(--primary-blue);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.director__qualifications {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.director__experience {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* ===== Team Section ===== */
.about__team {
  margin: 3rem 0;
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.team__photo {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  aspect-ratio: 1;
  cursor: pointer;
}

.team__photo:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.team__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.team__photo:hover .team__img {
  transform: scale(1.05);
}

/* ===== Lightbox Modal ===== */
.lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease;
}

.lightbox.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__content {
  position: relative;
  max-width: 60%;
  max-height: 70%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  animation: zoomIn 0.3s ease;
}

.lightbox__close {
  position: absolute;
  top: -40px;
  right: 0;
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  z-index: 10000;
  transition: var(--transition);
  background: rgba(0, 0, 0, 0.5);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes zoomIn {
  from { 
    opacity: 0;
    transform: scale(0.8);
  }
  to { 
    opacity: 1;
    transform: scale(1);
  }
}

.details__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.detail__item {
  color: var(--text-light);
  padding: 0.5rem 0;
}

/* ===== Contact Section ===== */
.contact {
  background: var(--light-gray);
}

.contact__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact__icon {
  color: var(--primary-blue);
  margin-top: 0.25rem;
}

.contact__details h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 0.5rem;
}

.contact__details p {
  color: var(--text-light);
  margin: 0.25rem 0;
}

.contact__form-container {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.form__group {
  margin-bottom: 1.5rem;
}

.form__label {
  display: block;
  font-weight: 500;
  color: var(--deep-navy);
  margin-bottom: 0.5rem;
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(12, 151, 208, 0.1);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__file {
  padding: 0.5rem;
}

.contact__map {
  margin: 3rem 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

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

/* ===== Footer ===== */
.footer {
  background: var(--deep-navy);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer__logo {
  height: 40px;
  width: auto;
  margin-bottom: 1rem;
}

.footer__tagline {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.footer__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.footer__link {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

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

.footer__contact-item {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  text-align: center;
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* ===== Mobile-First Responsive Design ===== */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  
  .hero__title {
    font-size: 2.5rem;
  }
  
  .contact__content {
    grid-template-columns: 1fr;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .nav__list {
    gap: 1.5rem;
  }
  
  .section__title {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: var(--white);
    padding: 0;
    box-shadow: var(--shadow-heavy);
    transition: left 0.3s ease;
    z-index: 999;
    overflow-y: auto;
  }
  
  .nav__menu.active {
    left: 0;
  }
  
  .nav__list {
    flex-direction: column;
    gap: 0;
    padding: 80px 0 2rem;
    height: 100%;
  }
  
  .nav__item {
    width: 100%;
    border-bottom: 1px solid var(--card-border);
  }
  
  .nav__link {
    font-size: 1.2rem;
    padding: 1.5rem 2rem;
    display: block;
    width: 100%;
    color: var(--text-dark);
    transition: var(--transition);
    border-left: 4px solid transparent;
  }
  
  .nav__link:hover,
  .nav__link.active {
    color: var(--primary-blue);
    background: var(--light-gray);
    border-left-color: var(--primary-blue);
  }
  
  .nav__cta {
    margin: 2rem;
    text-align: center;
    background: var(--primary-blue);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: block;
    width: calc(100% - 4rem);
  }
  
  .nav__toggle {
    display: flex;
    z-index: 1001;
  }
  
  .nav__toggle.active .nav__toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav__toggle.active .nav__toggle-line:nth-child(2) {
    opacity: 0;
  }
  
  .nav__toggle.active .nav__toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  /* Mobile overlay */
  .nav__menu::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  
  .nav__menu.active::before {
    opacity: 1;
    visibility: visible;
  }
  
  .hero {
    padding: 80px 0 40px;
    min-height: 100vh;
    display: flex;
    align-items: center;
  }
  
  .hero__container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .hero__title {
    font-size: 2.2rem;
    line-height: 1.2;
    margin-bottom: 1rem;
  }
  
  .hero__subtitle {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
  }
  
  .section__title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
  }
  
  .section__subtitle {
    font-size: 1rem;
    line-height: 1.6;
  }
  
  .hero__cta {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
    padding: 1.2rem 2rem;
    font-size: 1.1rem;
    min-height: 50px;
  }
  
  .hero__features {
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
  }
  
  .hero__feature {
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
    background: var(--white);
    border: 1px solid var(--card-border);
    border-radius: 20px;
  }
  
  .services__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .service__card {
    padding: 2rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
  }
  
  .service__card:active {
    transform: scale(0.98);
  }
  
  .strengths__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .strength__card {
    padding: 1.5rem 1rem;
    text-align: center;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
  }
  
  .strength__number {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
  }
  
  .strength__title {
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }
  
  .strength__description {
    font-size: 0.85rem;
    line-height: 1.4;
  }
  
  .projects__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .project__card {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
  }
  
  .project__card:active {
    transform: scale(0.98);
  }
  
  .projects__filter {
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2rem;
  }
  
  .filter__btn {
    padding: 0.8rem 1.2rem;
    font-size: 0.9rem;
    min-width: 100px;
    border-radius: 25px;
    background: var(--white);
    border: 2px solid var(--card-border);
    transition: var(--transition);
  }
  
  .filter__btn.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
  }
  
  .directors__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .director__card {
    padding: 2rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
  }
  
  .team__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .team__photo {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
    margin: 0 auto 1rem;
    border: 2px solid var(--primary-blue);
    box-shadow: var(--shadow-light);
  }
  
  .contact__content {
    gap: 2rem;
  }
  
  .contact__form-container {
    padding: 2rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
  }
  
  .contact__cta {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .clients__carousel {
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    padding: 1rem 0;
  }
  
  .client__img {
    height: 45px;
    opacity: 0.7;
    transition: var(--transition);
  }
  
  .client__logo:active .client__img {
    opacity: 1;
    transform: scale(1.1);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .section {
    padding: 40px 0;
  }
  
  .hero {
    padding: 70px 0 40px;
    min-height: 100vh;
  }
  
  .hero__title {
    font-size: 1.8rem;
    line-height: 1.2;
    margin-bottom: 1rem;
  }
  
  .hero__subtitle {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
  }
  
  .section__title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
  }
  
  .section__subtitle {
    font-size: 0.9rem;
    line-height: 1.5;
  }
  
  .btn {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    width: 100%;
    max-width: 280px;
    min-height: 48px;
  }
  
  .service__card,
  .strength__card,
  .director__card {
    padding: 1.5rem 1rem;
    border-radius: 10px;
  }
  
  .strengths__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .strength__number {
    font-size: 2.2rem;
  }
  
  .strength__title {
    font-size: 0.95rem;
  }
  
  .strength__description {
    font-size: 0.8rem;
  }
  
  .team__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  
  .team__photo {
    width: 80px;
    height: 80px;
    border-radius: 6px;
    border-width: 2px;
  }
  
  .contact__form-container {
    padding: 1.5rem 1rem;
    border-radius: 10px;
  }
  
  .form__input,
  .form__select,
  .form__textarea {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 0.875rem 1rem;
    border-radius: 8px;
  }
  
  .form__label {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
  }
  
  .lightbox__close {
    top: -35px;
    right: -5px;
    font-size: 28px;
    width: 28px;
    height: 28px;
  }
  
  .lightbox__content {
    max-width: 95%;
    max-height: 90%;
    border-radius: 8px;
  }
  
  .nav__logo-img {
    height: 45px;
  }
  
  .nav__link {
    font-size: 1.1rem;
    padding: 1.25rem 1.5rem;
  }
  
  .hero__features {
    gap: 0.5rem;
    margin-top: 1.5rem;
  }
  
  .hero__feature {
    font-size: 0.8rem;
    padding: 0.5rem 0.75rem;
    border-radius: 15px;
  }
  
  .project__card {
    margin-bottom: 1rem;
    border-radius: 10px;
  }
  
  .project__image {
    height: 160px;
  }
  
  .project__title {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
  }
  
  .project__details {
    font-size: 0.85rem;
  }
  
  .filter__btn {
    padding: 0.7rem 1rem;
    font-size: 0.85rem;
    min-width: 80px;
    border-radius: 20px;
  }
  
  .clients__carousel {
    gap: 1rem;
  }
  
  .client__img {
    height: 40px;
  }
  
  .footer__content {
    text-align: center;
    gap: 1.5rem;
  }
  
  .footer__section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
  }
  
  .footer__section p,
  .footer__section a {
    font-size: 0.9rem;
  }
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* ===== Mobile Touch Optimizations ===== */
@media (hover: none) and (pointer: coarse) {
  .btn:hover {
    transform: none;
  }
  
  .service__card:hover,
  .strength__card:hover,
  .project__card:hover,
  .team__photo:hover {
    transform: none;
  }
  
  .nav__link:hover {
    color: var(--text-dark);
  }
  
  .nav__link.active {
    color: var(--primary-blue);
  }
}

/* ===== Utility Classes ===== */
.text-center {
  text-align: center;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }