/* BASIC */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html, body {
  font-family: system-ui, sans-serif;
  color: #111;
  background: #f5f5f7;
  scroll-behavior: smooth;
}

/* HERO */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7);
}
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
}
.hero-content h1 {
  font-size: 3.2rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.6rem;
}
.hero-content p {
  font-size: 1rem;
  letter-spacing: 0.16em;
  opacity: 0.85;
  margin-bottom: 2rem;
}

/* BUTTON */
.btn {
  display: inline-block;
  padding: 0.8rem 3rem;
  background: #fff;
  color: #111;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
  transition: 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0,0,0,0.6);
}

/* SECTIONS */
.section-light,
.section-dark {
  padding: 5rem 1.5rem;
}
.section-inner {
  max-width: 960px;
  margin: 0 auto;
}
.section-light {
  background: #f5f5f7;
  color: #111;
}
.section-dark {
  background: #000;
  color: #fff;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.lead {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  opacity: 0.8;
}

.sample-img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

/* LANDING BLOCK */
.block-deep {
  background: #111;
  color: #fff;
  padding: 6rem 1.5rem;
  text-align: center;
}
.block-inner {
  max-width: 720px;
  margin: 0 auto;
}
.block-inner h2 {
  font-size: 2.4rem;
  margin-bottom: 1.5rem;
}

/* FOOTER */
.footer {
  background: #000;
  color: #666;
  padding: 1.6rem;
  text-align: center;
  font-size: 0.85rem;
}