@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Open+Sans:wght@300;400;500;600&display=swap");

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

html,
body {
  height: 100%;
}

body {
  font-family: "Open Sans", sans-serif;
  background: #f5f7fa;
  color: #333;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Montserrat", sans-serif;
}

/* ===== HEADER ===== */
.header {
  width: 100%;
  padding: 20px 40px;
  background: white;
  position: relative;
  z-index: 100;
  flex-shrink: 0;
}

.header .logo {
  height: 70px;
  width: auto;
  display: block;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  width: 100%;
  flex: 1; /* fills all remaining space between header and footer */
  background: white;
  display: flex;
  align-items: center;
  overflow: hidden;
  min-height: 400px;
}

/* Background texture */
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  pointer-events: none;
  z-index: 1;
}

/* Smoke wave */
.hero-smoke {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  /* height: 100%; */
  object-fit: cover;
  object-position: top;
  opacity: 0.8;
  pointer-events: none;
  z-index: 2;
}

/* Lungs image */
.hero-lungs {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  height: 70%;
  width: auto;
  max-width: 45%;
  opacity: 0.2;
  pointer-events: none;
  z-index: 3;
  object-fit: contain;
}

/* Content */
.hero-content {
  position: relative;
  z-index: 10;
  padding: 60px 40px 60px 80px;
  max-width: 65%;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  color: #737373;
  line-height: 1.1;
  margin-bottom: 8px;
  margin-top: 6rem;
}

.hero-subtitle {
  font-size: 2.2rem;
  font-weight: 600;
  color: #737373;
  line-height: 1.3;
  margin-bottom: 50px;
}

.coming-soon {
  font-family: "Montserrat", sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: #ee6723;
  margin-bottom: 30px;
}

.contact {
  font-size: 1rem;
  color: #888;
}

.contact a {
  color: #ee6723;
  text-decoration: none;
  transition: text-decoration 0.2s;
}

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

/* ===== FOOTER ===== */
.footer {
  width: 100%;
  padding: 16px 40px;
  text-align: center;
  background: #f0f4f8;
  flex-shrink: 0; /* footer never shrinks */
}

.footer p {
  font-size: 0.85rem;
  color: #aaa;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 1200px) {
  .hero-content {
    padding: 40px 40px 40px 60px;
    max-width: 60%;
  }
  .hero-title {
    font-size: 2.4rem;
  }
  .hero-subtitle {
    font-size: 1.6rem;
    margin-bottom: 35px;
  }
  .coming-soon {
    font-size: 1.9rem;
  }
  .hero-lungs {
    right: 3%;
    height: 60%;
    max-width: 42%;
  }
}

@media (max-width: 1024px) {
  .hero-content {
    padding: 40px 30px 40px 50px;
    max-width: 62%;
    margin-bottom: 27rem;
  }
  .hero-title {
    font-size: 2.9rem;
    margin-top: 3rem;
  }
  .hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 30px;
  }
  .coming-soon {
    font-size: 1.7rem;
  }
  .hero-lungs {
    right: 2%;
    height: 55%;
    max-width: 40%;
    margin-top: -17rem;
  }
}

@media (max-width: 768px) {
  .header {
    padding: 15px 20px;
  }
  .header .logo {
    height: 50px;
  }

  .hero {
    align-items: center;
    padding: 20px 0 40px;
    min-height: calc(
      100vh - 80px - 48px
    ); /* full screen minus header & footer */
  }

  .hero-content {
    padding: 20px 24px;
    max-width: 68%;
  }

  .hero-title {
    font-size: 2.2rem;
    margin-top: 1rem;
  }
  .hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 22px;
  }
  .coming-soon {
    font-size: 1.4rem;
    margin-bottom: 14px;
  }
  .contact {
    font-size: 0.88rem;
  }

  .hero-lungs {
    right: 0;
    height: auto;
    width: 36%;
    max-width: 36%;
    opacity: 0.18;
    top: 50%;
    transform: translateY(-50%);
  }

  .footer {
    padding: 12px 20px;
  }
}

@media (max-width: 540px) {
  .hero {
    flex-direction: column;
    align-items: center;
    padding: 0 0 30px;
  }

  .hero-content {
    padding: 28px 20px 0 20px;
    max-width: 100%;
    width: 100%;
    text-align: center;
    margin-top: 3rem;
  }

  .hero-title {
    font-size: 1.9rem;
    margin-top: 0.5rem;
  }
  .hero-subtitle {
    font-size: 0.98rem;
    margin-bottom: 18px;
  }
  .coming-soon {
    font-size: 1.35rem;
    margin-bottom: 12px;
  }
  .contact {
    font-size: 0.85rem;
  }

  .hero-lungs {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    display: block;
    width: 52%;
    max-width: 240px;
    height: auto;
    margin: 16px auto 0;
    opacity: 0.22;
  }
}

@media (max-width: 380px) {
  .hero-title {
    font-size: 1.6rem;
  }
  .hero-subtitle {
    font-size: 0.88rem;
  }
  .coming-soon {
    font-size: 1.15rem;
  }
  .hero-lungs {
    width: 65%;
  }
}