*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #2BBAF2;
  --color-primary-dark: #0F6FB3;
  --color-primary-light: #EEF8FC;
  --color-accent: #60DCFB;
  --color-accent-dark: #1A9ED6;
  --color-bg: #FBFDFE;
  --color-bg-alt: #F0F7FC;
  --color-text: #0F1A24;
  --color-text-light: #4B6A7A;
  --color-text-muted: #8DA3B0;
  --color-border: #D6E4EC;
  --color-white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --header-height: 72px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section:nth-child(even) {
  background: var(--color-bg-alt);
}

.section__header {
  text-align: center;
  margin-bottom: 56px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section__label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--color-text);
}

.section__desc {
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  font-family: inherit;
}

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

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

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

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

.btn--whatsapp {
  border-color: #25D366;
  color: #25D366;
}

.btn--whatsapp:hover {
  background: #25D366;
  color: #fff;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 111, 179, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  height: var(--header-height);
}

.header .logo__img {
  filter: brightness(0) invert(1);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo__img {
  height: 48px;
  width: auto;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  transition: var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

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

.nav__link:hover::after {
  width: 100%;
}

.nav__link--cta {
  background: var(--color-white);
  color: var(--color-primary-dark);
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 600;
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 4px;
  transition: var(--transition);
}

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

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

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

/* Hero */
.hero {
  padding: calc(var(--header-height) + 60px) 0 80px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #ffffff 100%);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--color-text);
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 540px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero__badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  padding: 8px 16px;
  border-radius: 100px;
}

.hero__carousel {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
  max-height: 480px;
  background: var(--color-primary-light);
}

.hero__carousel-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.hero__carousel-slide {
  min-width: 100%;
  height: 100%;
  flex-shrink: 0;
}

.hero__carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__carousel-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.hero__carousel-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  padding: 0;
}

.hero__carousel-dots .dot--active {
  background: var(--color-white);
  width: 28px;
  border-radius: 100px;
}

/* About */
.about__body {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

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

.feature-card {
  background: var(--color-white);
  padding: 32px 24px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--color-border);
}

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

.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* Leadership */
.leadership__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.leadership__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.leadership__img img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.leadership__role {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 16px;
}

.leadership__bio {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

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

.leadership__highlights li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.leadership__highlights li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* Services */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  padding: 32px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--color-border);
}

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

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: 18px;
  transition: var(--transition);
}

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

.service-card__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* Learn */
.learn__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

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

.article-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
  align-self: flex-start;
}

.article-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
}

.article-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.article-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.article-card__read-time {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.article-card__link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: var(--transition);
}

.article-card__link:hover {
  color: var(--color-primary-dark);
}

/* Reviews */
.reviews__track {
  display: flex;
  gap: 24px;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  padding: 8px 0;
}

.reviews__track-inner {
  display: flex;
  gap: 24px;
  animation: scrollReviews 40s linear infinite;
  will-change: transform;
}

.reviews__track:hover .reviews__track-inner {
  animation-play-state: paused;
}

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

.review-card {
  flex-shrink: 0;
  width: 400px;
  background: var(--color-white);
  padding: 32px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.review-card__text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 20px;
  font-style: italic;
  flex: 1;
}

.review-card__author {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.review-card__author strong {
  font-size: 0.95rem;
  font-weight: 600;
}

.review-card__author span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Location */
.location__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.location__info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.location__item h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.location__item p {
  font-size: 1.1rem;
  font-weight: 500;
}

.location__item a {
  color: var(--color-primary);
}

.location__item a:hover {
  text-decoration: underline;
}

.location__map {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.location__map iframe {
  width: 100%;
  height: 320px;
  border: 0;
  display: block;
}

/* Book */
.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: 14px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--color-white);
  color: var(--color-text);
}

.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(43, 186, 242, 0.15);
}

.form__group textarea {
  resize: vertical;
}

.form__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Book section horizontal layout */
.book__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.book__intro {
  max-width: 480px;
}

.book__intro .section__label {
  margin-bottom: 16px;
}

.book__intro .section__title {
  text-align: left;
}

.book__intro .section__desc {
  text-align: left;
  font-size: 1.05rem;
}

.book__form {
  max-width: 520px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (max-width: 768px) {
  .book__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .book__intro {
    max-width: 100%;
  }
  .book__form {
    max-width: 100%;
  }
}

/* Footer */
.footer {
  background: var(--color-text);
  color: var(--color-white);
  padding: 64px 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer__logo {
  height: 36px;
  width: auto;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
}

.footer__brand p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  max-width: 320px;
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

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

.footer__col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--color-white);
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__col li {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer__col a {
  transition: var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
}

.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer__bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__carousel {
    max-width: 500px;
    margin: 0 auto;
    aspect-ratio: 4 / 3;
  }

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

  .leadership__img img {
    height: auto;
    max-height: 400px;
  }

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-primary-dark);
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(-120%);
    transition: var(--transition);
    opacity: 0;
    box-shadow: var(--shadow-md);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
  }

  .nav__list {
    flex-direction: column;
    gap: 20px;
  }

  .nav__link {
    font-size: 1.1rem;
  }

  .hamburger {
    display: flex;
  }

  .section {
    padding: 64px 0;
  }

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

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

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

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

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

  .footer__bottom .container {
    flex-direction: column;
    text-align: center;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .form__actions {
    flex-direction: column;
  }

  .form__actions .btn {
    width: 100%;
  }
}

/* Social popup */
.social-popup-wrapper {
  position: relative;
}

.social-popup {
  position: absolute;
  bottom: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 100;
  width: 320px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.social-popup::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid #fff;
}

.social-popup-wrapper:hover .social-popup {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.social-popup__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid #eee;
}

.social-popup__header svg {
  width: 24px;
  height: 24px;
}

.social-popup__name {
  font-weight: 600;
  font-size: 0.95rem;
  color: #222;
}

.social-popup__body {
  padding: 0;
}

.social-popup__preview {
  padding: 24px 20px;
  text-align: center;
}

.social-popup__preview p {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.6;
  margin-bottom: 16px;
}

.social-popup__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.social-popup__btn--facebook {
  background: #1877F2;
  color: #fff;
}

.social-popup__btn--facebook:hover {
  background: #166fe5;
}

.social-popup__btn--instagram {
  background: linear-gradient(135deg, #833AB4, #FD1D1D, #F77737);
  color: #fff;
}

.social-popup__btn--instagram:hover {
  opacity: 0.9;
}

.social-popup__btn--tiktok {
  background: #000;
  color: #fff;
}

.social-popup__btn--tiktok:hover {
  background: #222;
}

.social-popup__iframe {
  border: 0;
  width: 100%;
  height: 360px;
}

@media (max-width: 768px) {
  .social-popup {
    width: 280px;
    right: -20px;
    left: auto;
    transform: translateY(8px);
  }

  .social-popup-wrapper:hover .social-popup {
    transform: translateY(0);
  }

  .social-popup::after {
    left: auto;
    right: 32px;
  }

  .social-popup__iframe {
    height: 280px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero__carousel {
    aspect-ratio: 4 / 3;
  }

  .review-card {
    padding: 24px 20px;
  }

  .social-popup {
    width: 240px;
    right: -10px;
  }

  .social-popup::after {
    right: 24px;
  }
}