/* ── About / Our Approach ── */

.about {
  padding: 5rem 4.2%;
  background: #005E91;
}

.about__inner {
  max-width: 1400px;
  margin: 0 auto;
  background: #104862;
  border-radius: 21px;
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 5rem 4.5rem;
}

.about__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.about__heading {
  font-size: clamp(2rem, 3vw, 2.53rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.about__desc {
  font-size: clamp(0.95rem, 1.3vw, 1.115rem);
  font-weight: 400;
  color: #fff;
  line-height: 1.625;
  letter-spacing: -0.01em;
}

.about__btn {
  display: inline-block;
  background: #2c90c0;
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.58;
  padding: 0.55rem 1.25rem;
  border-radius: 5px;
  text-decoration: none;
  width: fit-content;
  transition: background 0.2s;
}

.about__btn:hover {
  background: #2580ab;
}

.about__video {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.about__video-thumb {
  position: relative;
  width: 522px;
  height: 323px;
  border-radius: 15px;
  overflow: hidden;
}

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

.about__video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.about__video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 133px;
  height: 133px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1;
  transition: transform 0.2s;
}

.about__video-play:hover {
  transform: translate(-50%, -50%) scale(1.08);
}

.about__video-play img {
  width: 100%;
  height: 100%;
}

.about__video-caption {
  font-size: 0.99rem;
  font-weight: 400;
  font-style: italic;
  color: #fff;
  text-align: center;
  line-height: 1.95;
  letter-spacing: -0.01em;
}

/* ── Logo Marquee ── */

.marquee {
  position: relative;
  padding: 3.5rem 0;
  overflow: hidden;
  background: #005E91;
}

.marquee--accreditations {
  background: #005E91;
  margin-top: -5rem;
  padding: 3.5rem 4.2% 5rem;
}

.marquee::before,
.marquee::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 10%;
  z-index: 1;
  pointer-events: none;
}

.marquee::before {
  left: 0;
  background: linear-gradient(to right, #005E91, transparent);
}

.marquee::after {
  right: 0;
  background: linear-gradient(to left, #005E91, transparent);
}

.marquee--accreditations::before {
  left: 0;
}

.marquee--accreditations::after {
  right: 0;
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 45s linear infinite;
}

.marquee__logos {
  display: flex;
  align-items: center;
  gap: 6rem;
  padding-right: 6rem;
}

.marquee__logos img {
  height: 50px;
  width: auto;
  flex-shrink: 0;
  object-fit: contain;
  display: block;
}

.marquee__placeholder {
  height: 50px;
  width: 120px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  font-weight: 600;
}

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

/* ── Video Lightbox ── */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.85);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.lightbox.is-active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  transition: opacity 0.2s;
}

.lightbox__close:hover {
  opacity: 0.7;
}

.lightbox__content {
  width: 90%;
  max-width: 900px;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox--image .lightbox__content {
  aspect-ratio: auto;
  width: auto;
  max-width: min(90vw, 1400px);
  max-height: 85vh;
}

.lightbox__content iframe {
  width: 100%;
  height: 100%;
  border-radius: 8px;
}

.lightbox__content img {
  max-width: 100%;
  max-height: 85vh;
  width: auto;
  height: auto;
  border-radius: 8px;
  display: block;
  object-fit: contain;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 2;
}

.lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox__nav--prev {
  left: 1.5rem;
}

.lightbox__nav--next {
  right: 1.5rem;
}

.lightbox__nav[hidden] {
  display: none;
}