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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 350;
  background-color: #F4F8FC;
  color: #0F1E3D;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-weight: 350;
  letter-spacing: -0.02em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; margin-bottom: 1rem; }
p  { font-size: 1rem; color: #5A6B8A; }

a { color: inherit; text-decoration: none; }

section {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 8rem 6vw;
}

/* ---------- DYNAMIC LOGO (Start Centered) ---------- */
.logo-dynamic {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  z-index: 1000;
  pointer-events: auto;
  text-decoration: none;
}

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

.logo-text {
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: #0F1E3D;
  text-transform: uppercase;
}

/* ---------- GLASS NAV ---------- */
.nav-glass {
  position: fixed;
  top: 2.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  display: flex;
  gap: 2.5rem;
  align-items: center;
  padding: 0.7rem 2.2rem;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 99px;
  box-shadow: 0 8px 32px rgba(15, 30, 61, 0.06);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
}

.nav-indicator {
  position: absolute;
  top: 5px;
  bottom: 5px;
  left: 0;
  width: 0;
  background: #1E5BEB;
  border: 1px solid rgba(15, 30, 61, 0.12);
  border-radius: 99px;
  z-index: 0;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(30, 91, 235, 0.24);
  transition: opacity 0.2s ease;
}

.nav-glass a {
  position: relative;
  z-index: 1;
  padding: 0.45rem 0.8rem;
  font-size: 0.8rem;
  color: #0F1E3D;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.nav-glass a:hover,
.nav-glass a:focus-visible,
.nav-glass a.active {
  color: #FFFFFF;
}

.nav-glass a.active {
  font-weight: 500;
}

.hero {
  position: relative;
  min-height: 100vh;
  width: 100%;
  max-width: none;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 4rem 6vw 8rem;
  overflow: hidden;
  background-color: #F4F8FC;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 480px;
}

.hero-graphic-wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  max-width: 1600px;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
  mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
}

.hero-graphic {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
}

.hero-content .eyebrow {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #5A6B8A;
  margin-bottom: 1rem;
}

.hero-content h1 {
  font-size: 2.4rem;
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
  color: #0F1E3D;
}

.hero-tags {
  display: flex;
  gap: 0.5rem;
  margin-top: 2rem;
}

.hero-tags span {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.8rem;
  border: 1px solid #D0D9E8;
  border-radius: 99px;
  color: #5A6B8A;
}

.btn {
  display: inline-block;
  background-color: #1E5BEB;
  color: #FFFFFF;
  padding: 0.9rem 2.2rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn:hover {
  background-color: #0F1E3D;
  transform: translateY(-2px);
}

.about {
  padding: 10rem 6vw;
  max-width: 1400px;
  margin: 0 auto;
}

.about-content,
.check-content {
  max-width: 650px;
  margin: 0 auto;
  text-align: center;
}

.about h2 {
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
}

.about .intro-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #5A6B8A;
  margin: 0 auto 8rem;
}

.feature-block {
  display: flex;
  align-items: center;
  gap: 6rem;
  margin-bottom: 8rem;
  text-align: left;
}

.feature-block:last-child {
  margin-bottom: 0;
}

.feature-block.reverse {
  flex-direction: row-reverse;
}

.feature-image,
.feature-text {
  flex: 1;
  min-width: 0;
}

.feature-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  filter: grayscale(100%) contrast(1.1) brightness(0.9) sepia(20%) hue-rotate(180deg);
  mix-blend-mode: multiply;
  box-shadow: 0 20px 40px rgba(15, 30, 61, 0.06);
  transition: filter 0.5s ease;
}

.feature-image img:hover {
  filter: grayscale(100%) contrast(1.12) brightness(0.92) sepia(20%) hue-rotate(180deg);
}

.feature-text h3 {
  font-size: 1.5rem;
  font-weight: 300;
  color: #0F1E3D;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.feature-text p {
  font-size: 1rem;
  line-height: 1.8;
  color: #5A6B8A;
}

.check {
  text-align: center;
  padding-top: 8rem;
  padding-bottom: 8rem;
}

.check h2 {
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 1rem;
}

.check p {
  font-size: 1rem;
  color: #5A6B8A;
  margin-bottom: 3rem;
}

.availability-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 400px;
  margin: 0 auto;
}

.form-status {
  max-width: 400px;
  margin: 1.5rem auto 0;
  text-align: center;
}

.form-status.is-success {
  color: #1E5BEB;
}

.form-status.is-error {
  color: #A12626;
}

.availability-form input {
  padding: 1rem 0;
  border: none;
  border-bottom: 1px solid #D0D9E8;
  background: transparent;
  font-size: 1rem;
  font-family: inherit;
  color: #0F1E3D;
  transition: border-color 0.3s;
}

.availability-form input:focus {
  outline: none;
  border-bottom-color: #1E5BEB;
}

.availability-form input::placeholder {
  color: #A0B0C8;
  font-weight: 300;
}

.contact {
  width: 100%;
  background-color: #0F1E3D;
  color: #FFFFFF;
  text-align: center;
  max-width: 100%;
  margin-top: 6rem;
  padding: 4rem 6vw;
}

.contact-content {
  max-width: 650px;
  margin: 0 auto;
}

.contact p {
  color: #B0C4DE;
}

.contact-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.contact a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #FFFFFF;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact .contact-action {
  justify-content: center;
  min-width: 8.5rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.contact .contact-action:hover,
.contact .contact-action:focus-visible {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.75);
}

.contact a .bi {
  text-decoration: none;
}

.contact h2 {
  color: #FFFFFF;
}

@media (max-width: 768px) {
  .logo-dynamic {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    flex-direction: column;
    gap: 1rem;
    max-width: calc(100vw - 2rem);
  }

  .logo-img {
    height: 55px;
  }

  .logo-text {
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    white-space: nowrap;
  }

  .nav-glass {
    top: 5.5rem;
    width: calc(100% - 2rem);
    max-width: 26rem;
    gap: 0.25rem;
    justify-content: center;
    padding: 0.55rem 0.6rem;
    transform: translateX(-50%) translateY(-20px);
    opacity: 0;
    pointer-events: none;
  }

  .nav-glass a {
    flex: 1;
    min-width: 0;
    padding: 0.45rem 0.15rem;
    font-size: 0.68rem;
    text-align: center;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero {
    min-height: 100vh;
    padding: 3rem 6vw 6rem;
  }

  .hero-graphic-wrapper {
    width: 100vw;
  }
}

@media (max-width: 900px) {
  .feature-block,
  .feature-block.reverse {
    flex-direction: column;
    gap: 2.5rem;
    text-align: center;
  }

  .feature-block {
    margin-bottom: 6rem;
  }

  .about .intro-text {
    margin-bottom: 5rem;
  }

  .feature-image img {
    border-radius: 12px;
  }
}