* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #fff;
  color: #111;
}

/* HEADER */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  z-index: 10;
}

.site-logo img {
  height: 80px;
}

.desktop-nav a {
  margin-left: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  color: #111;
}

/* HAMBURGER */
.hamburger {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: #111;
  margin: 6px 0;
}

/* MOBILE NAV */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: right 0.35s ease;
  z-index: 9;
}

.mobile-nav a {
  font-size: 1.8rem;
  margin: 1rem 0;
  text-decoration: none;
  color: #111;
}

.mobile-nav.open {
  right: 0;
}

.hero {
  position: relative;
  height: var(--hero-height);
  min-height: 420px;
  max-height: 820px;
  background: #000;
  overflow: hidden;
}


.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 110%;
  object-fit: cover;
  object-position: center 20%;
  filter: grayscale(100%);
}


.hero-slide.active {
  opacity: 1;
}

.hero-logo {
  position: absolute;
  bottom: 3%;
  left: 17%;
  transform: translateX(-50%);
  z-index: 3;
}

.hero-logo img {
  width: 320px;
}

/* ANNOUNCEMENT */
.hero-announcement {
  position: absolute;
  top: 85%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  background: rgba(0,0,0,0.45);
  padding: 1rem;
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(6px);
  color: #eee;
  text-align: left;
}

.hero-announcement.hidden {
  display: none;
}

/* SECTIONS */
main {
  padding-top: 90px;
}

section {
  max-width: 1100px;
  margin: auto;
  padding: 5rem 2rem;
}

section h2 {
  text-align: center;
}

/* GALLERY */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gallery img {
  width: 100%;
  filter: grayscale(100%);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero-logo img {
    width: 220px;
  }
}

/* Header left grouping */
.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Social app buttons */
.social-apps {
  display: flex;
  gap: 0.6rem;
}

.social-apps a {
  width: 36px;
  height: 36px;
  border-radius: 9px; /* app-like */
  background: #f2f2f2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.social-apps a:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.social-apps img {
  width: 20px;
  height: 20px;
}

/* Slightly hide on very small screens (optional) */
@media (max-width: 480px) {
  .social-apps {
    display: none;
  }
} 

.desktop-nav a {
  position: relative;
  padding: 0.25rem 0;
}

/* ===============================
   LIGHTBOX
================================ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.lightbox.open {
  display: flex;
}

.lightbox-image {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  filter: grayscale(100%);
}

/* Close button */
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 25px;
  font-size: 40px;
  background: none;
  border: 0;
  color: #fff;
  cursor: pointer;
  line-height: 1;
}

.lightbox-close:hover {
  opacity: 0.7;
}

/* Make gallery images feel clickable */
.gallery img {
  cursor: pointer;
}


/* underline */
.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: #111;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

/* on hover */
.desktop-nav a:hover::after {
  transform: scaleX(1);
}


@media (max-width: 768px) {
  .hero-logo {
    bottom: 14%;
  }

  .hero-logo img {
    width: 170px;
  }
}