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

:root {
  --bg: #000000;
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.6);
  --whatsapp: #25D366;
  --whatsapp-hover: #1ebe57;
  --instagram-start: #833AB4;
  --instagram-mid: #FD1D1D;
  --instagram-end: #FCAF45;
  --border: rgba(255, 255, 255, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 480px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-bottom: 100px;
}

/* ===== Header ===== */
.header {
  text-align: center;
  padding: 32px 20px 20px;
}

.subtitle {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.brand {
  font-size: clamp(22px, 6vw, 28px);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--text);
}

/* ===== Hero Grid ===== */
.hero-grid {
  padding: 0 16px;
  margin-bottom: 24px;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--border);
}

.grid-item {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
  display: block;
}

.grid-item:hover img {
  transform: scale(1.05);
}

.grid-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  transition: background 0.2s;
}

.grid-item:hover::after {
  background: rgba(0,0,0,0.15);
}

/* ===== CTA Buttons ===== */
.cta-section {
  padding: 0 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 24px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s, box-shadow 0.15s;
  letter-spacing: 0.2px;
}

.btn:active {
  transform: scale(0.97);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.45);
}

.btn-instagram {
  background: linear-gradient(135deg, var(--instagram-start), var(--instagram-mid), var(--instagram-end));
  color: #fff;
  box-shadow: 0 4px 20px rgba(131, 58, 180, 0.35);
}

.btn-instagram:hover {
  opacity: 0.92;
  box-shadow: 0 6px 28px rgba(131, 58, 180, 0.45);
}

.btn-contact {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}

.btn-contact:hover {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.05);
}

.btn-sm {
  padding: 12px 20px;
  font-size: 14px;
  border-radius: 40px;
}

/* ===== Highlights ===== */
.highlights {
  padding: 0 20px 32px;
  text-align: center;
}

.launch-badge {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.launch-badge span:first-child {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.launch-badge span:last-child {
  font-size: 14px;
  color: var(--text-muted);
}

.highlights-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.highlight-item {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
}

.inline-link {
  color: var(--whatsapp);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: opacity 0.2s;
}

.inline-link:hover {
  opacity: 0.8;
}

/* ===== Full Gallery ===== */
.gallery-full {
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  display: block;
  max-height: 85vh;
  object-fit: contain;
  background: #0a0a0a;
  transition: transform 0.3s;
}

.gallery-item:hover img {
  transform: scale(1.02);
}

/* ===== Footer ===== */
.footer {
  padding: 40px 20px 20px;
  text-align: center;
}

.footer h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.footer-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Floating CTA ===== */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 100;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}

.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  transition: transform 0.15s;
}

.float-btn:active {
  transform: scale(0.92);
}

.float-whatsapp {
  background: var(--whatsapp);
  color: #fff;
}

.float-instagram {
  background: linear-gradient(135deg, var(--instagram-start), var(--instagram-mid));
  color: #fff;
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  padding: 20px;
}

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

.lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background 0.2s;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.25);
}

/* ===== Desktop ===== */
@media (min-width: 481px) {
  body {
    background: #111;
  }

  .page {
    background: var(--bg);
    min-height: 100vh;
    box-shadow: 0 0 60px rgba(0,0,0,0.5);
  }

  .floating-cta {
    right: calc(50% - 240px + 16px);
  }
}