/* ==========================================================================
1. CSS VARIABLES (Color Palette & Typography Defaults)
========================================================================== */
:root {
  --color-dark-navy: #0D3B66;
  --color-deep-blue: #1F4E79;
  --color-teal-blue: #3B7A99;
  --color-mid-blue:  #6FA3D8;
  --color-light-sky: #A4C8E1;
  --color-bg-light:  #EBF3FA;
  --color-white:     #FFFFFF;
  --font-main: 'Inter', sans-serif;
}

/* Reset & Page Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: #0f172a; 
  color: var(--color-dark-navy);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 0 0;
}

.wrapper {
  width: 100%;
  max-width: 1200px;
}

/* ==========================================================================
2. DESKTOP INTERFACE STYLES
========================================================================== */
.desktop-card {
  background-color: var(--color-bg-light);
  overflow: hidden;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  display: block;
}

/* Navigation Header */
.desktop-header {
  padding: 24px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon img{
  width: 40px;
}

.brand-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark-navy);
  line-height: 1;
}

.brand-tagline {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-teal-blue);
  margin-top: 2px;
}

.menu{
  display: none;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-dark-navy);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a.active {
  border-bottom: 2px solid var(--color-dark-navy);
  padding-bottom: 2px;
}

.nav-links a:hover {
  color: var(--color-teal-blue);
}

.btn-nav-cta {
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  border: none;
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-nav-cta:hover {
  background-color: var(--color-deep-blue);
}

/* Hero Section */
.desktop-hero {
  padding: 20px 40px 40px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 32px;
}

.hero-h1 {
  font-size: 52px;
  font-weight: 800;
  color: var(--color-dark-navy);
  line-height: 1.15;
}

.hero-h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-teal-blue);
  margin-top: 8px;
}

.hero-body {
  font-size: 15px;
  font-weight: 400;
  color: var(--color-deep-blue);
  line-height: 1.6;
  margin-top: 16px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.btn-primary {
background-color: var(--color-deep-blue);
color: var(--color-white);
border: none;
padding: 14px 24px;
border-radius: 12px;
font-size: 15px;
font-weight: 600;
cursor: pointer;
display: inline-flex;
align-items: center;
gap: 8px;
transition: background-color 0.2s ease;
}

.btn-primary:hover {
background-color: var(--color-dark-navy);
}

.btn-secondary {
background-color: transparent;
color: var(--color-deep-blue);
border: 2px solid var(--color-teal-blue);
padding: 12px 24px;
border-radius: 12px;
font-size: 15px;
font-weight: 600;
cursor: pointer;
display: inline-flex;
align-items: center;
gap: 8px;
transition: background-color 0.2s ease;
}

.btn-secondary:hover {
background-color: rgba(59, 122, 153, 0.1);
}

/* Hero Portrait Area */
.hero-visual {
position: relative;
display: flex;
justify-content: center;
align-items: center;
}

.circle-backdrop {
  width: 340px;
  height: 340px;
  /* background-color: var(--color-dark-navy); */
  background: linear-gradient(180deg, #3B7A99 0%, #EBF3FA 70%, #EBF3FA 100%);
  border-radius: 50%;
  position: absolute;
  z-index: 1;
}

.doctor-image {
  width: 330px;
  height: 330px;
  object-fit: cover;
  object-position: center 10%;
  border-radius: 50%;
  border: 4px solid var(--color-bg-light);
  background-color: var(--color-dark-navy); 
  position: relative;
  z-index: 2;
  /* box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); */
}

/* Feature Cards Section */
.desktop-features {
  padding: 0 40px 40px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card {
  background-color: var(--color-white);
  padding: 20px;
  border-radius: 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid #e2e8f0;
}

.card-icon-box {
  width: 40px;
  height: 40px;
  background-color: var(--color-deep-blue);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card-icon-box {
  font-size: 25px;
}

.card-h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark-navy);
}

.card-p {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-deep-blue);
  line-height: 1.4;
  margin-top: 4px;
}

/* Footer Banner */
.desktop-footer {
  background-color: var(--color-dark-navy);
  padding: 16px 40px;
  color: var(--color-white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
}

/* ==========================================================================
3. RESPONSIVE SWITCH FOR MOBILE VIEW
========================================================================== */
@media (max-width: 900px) {
  .desktop-header {
    padding: 24px 20px;
  }
  .brand-title {
    font-size: 20px;
  }
  .menu{
    display: block;
  }

  .nav-links, .btn-nav-cta {
    display: none;
  }

  .desktop-hero {
    padding: 10px 20px 10px 20px;
    grid-template-columns: 1fr;
  }

  .desktop-hero br{
    display:none;
  }

  .hero-h1 {
    font-size:28px;
  }
  .hero-h2 {
    font-size: 16px;
  }

  .hero-body {
    font-size: 13px;
  }

.hero-buttons {
  margin-top: 10px;
}

.btn-primary, .btn-secondary{
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 14px;
  gap: 4px;
}
.desktop-features {
  padding: 0 20px 20px 20px;
  grid-template-columns:  1fr;

}

.card-icon-box {
  width: 50px;
  height: 50px;
}
.card-icon-box {
  font-size: 35px;
}

  .desktop-footer {
    background-color: var(--color-dark-navy);
    padding: 16px 40px;
    color: var(--color-white);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    font-weight: 500;
  }



}