/* ---------- RESET & CSS VARIABLES (Sterile Luxury + Aqua Mint) ---------- */
 * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  :root {
    /* Color Palette */
    --as-white: #FFFFFF;
    --as-offwhite: #F8FAFC;      /* Soft Slate Gray for sections */
    --as-mint: #00B4D8;           /* Aqua Mint primary accent */
    --as-teal: #0CA789;           /* Serene Teal secondary */
    --as-dark-teal: #0A2E3F;
    --as-glass-bg: rgba(255, 255, 255, 0.72);
    --as-shadow-sm: 0 10px 25px -5px rgba(0, 0, 0, 0.03), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
    --as-shadow-md: 0 20px 35px -12px rgba(0, 0, 0, 0.08);
    --as-shadow-hover: 0 25px 40px -15px rgba(0, 180, 216, 0.2);
    --as-border-light: 1px solid rgba(0, 180, 216, 0.15);
    --as-text-dark: #1E2A32;
    --as-text-soft: #4B5C6B;
    
    /* spacing */
    --as-section-gap: 6rem;
    --as-card-radius: 1.75rem;
  }

  body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--as-white);
    color: var(--as-text-dark);
    line-height: 1.4;
    overflow-x: hidden;
  }

  /* Typography - Playfair Display for elegant headings */
  h1, h2, h3, .as-heading-serif {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    letter-spacing: -0.01em;
  }

  h1 {
    font-size: clamp(2.6rem, 7vw, 4.5rem);
    line-height: 1.2;
    margin-bottom: 1.2rem;
    font-weight: 700;
  }

  h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
  }
  h2:after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--as-mint), var(--as-teal));
    border-radius: 3px;
  }
  .as-section-title {
    text-align: center;
    margin-bottom: 3rem;
  }
  .as-section-title h2:after {
    left: 50%;
    transform: translateX(-50%);
  }

  .as-accent {
    color: var(--as-mint);
  }

  /* Layout & containers */
  .as-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
  }
  section {
    padding: var(--as-section-gap) 0;
  }
  .as-bg-soft {
    background-color: var(--as-offwhite);
  }

  /* ---------- GLASSMORPHISM STICKY HEADER ---------- */
  .as-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--as-glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--as-border-light);
    transition: all 0.2s;
  }
  .as-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
  }
  .as-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
  }
  .as-logo span {
    color: var(--as-mint);
  }
  .as-phone-btn {
    background: var(--as-mint);
    color: white;
    border: none;
    padding: 0.8rem 1.8rem;
    border-radius: 40px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.25s;
    box-shadow: 0 4px 12px rgba(0,180,216,0.3);
  }
  .as-phone-btn:hover {
    background: var(--as-teal);
    transform: translateY(-2px);
  }

  /* HERO SECTION (split + floating glass form) */
  .as-hero {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    align-items: center;
  }
  .as-hero-left {
    flex: 1.2;
  }
  .as-hero-right {
    flex: 1;
    position: relative;
  }
  .as-hero-img {
    width: 100%;
    border-radius: 2rem;
    object-fit: cover;
    aspect-ratio: 4/3;
    box-shadow: var(--as-shadow-md);
  }
  /* Floating glass appointment form */
  .as-glass-form {
    position: absolute;
    bottom: -2rem;
    right: -1rem;
    left: auto;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 2rem;
    padding: 1.8rem;
    width: 85%;
    max-width: 320px;
    box-shadow: 0 25px 45px -12px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.5);
  }
  .as-glass-form h3 {
    font-family: 'Playfair Display', serif;
    margin-bottom: 1rem;
  }
  .as-glass-form input {
    width: 100%;
    padding: 0.9rem;
    margin-bottom: 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    font-family: 'DM Sans', sans-serif;
    background: rgba(255,255,255,0.9);
  }
  .as-glass-form button {
    background: var(--as-mint);
    border: none;
    width: 100%;
    padding: 0.9rem;
    border-radius: 2rem;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s;
  }
  .as-glass-form button:hover {
    background: var(--as-teal);
  }
  @media (max-width: 860px) {
    .as-glass-form {
      position: relative;
      bottom: auto;
      right: auto;
      margin-top: 1rem;
      width: 100%;
      max-width: 100%;
    }
    .as-hero-right {
      display: flex;
      flex-direction: column;
    }
  }

  /* SERVICES GRID (clean cards) */
  .as-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
  }
  .as-service-card {
    background: white;
    padding: 2rem;
    border-radius: var(--as-card-radius);
    box-shadow: var(--as-shadow-sm);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid rgba(0,180,216,0.05);
  }
  .as-service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--as-shadow-hover);
    border-color: var(--as-mint);
  }
  .as-service-icon {
    font-size: 2.5rem;
    color: var(--as-mint);
    margin-bottom: 1.2rem;
  }
  .as-service-card h3 {
    margin-bottom: 0.8rem;
    font-size: 1.6rem;
  }

  /* DOCTORS SECTION (grayscale to color hover, BEM) */
  .as-doctors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
  }
  .as-doctor-card {
    background: white;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: var(--as-shadow-sm);
    transition: transform 0.3s;
  }
  .as-doctor-card:hover {
    transform: translateY(-5px);
  }
  .as-doctor-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  }
  .as-doctor-card:hover .as-doctor-img {
    filter: grayscale(0%);
  }
  .as-doctor-info {
    padding: 1.5rem;
    text-align: center;
  }
  .as-doctor-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
  }
  .as-doctor-info p {
    color: var(--as-mint);
    font-weight: 500;
  }

  /* REVIEWS (masonry style with stars) */
  .as-reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
  }
  .as-review-card {
    background: white;
    padding: 1.8rem;
    border-radius: 1.8rem;
    box-shadow: var(--as-shadow-sm);
    transition: 0.2s;
    border: 1px solid #f0f4f9;
  }
  .as-stars {
    color: #FFB347;
    margin-bottom: 1rem;
    font-size: 1.1rem;
  }
  .as-review-text {
    font-style: normal;
    line-height: 1.5;
    margin-bottom: 1rem;
    color: var(--as-text-soft);
  }
  .as-review-name {
    font-weight: 700;
    margin-top: 0.5rem;
  }

  /* FOOTER Deep dark teal + iframe */
  .as-footer {
    background: #0A2E3F;
    color: #e2e8f0;
    padding: 3rem 0 1.5rem;
    margin-top: 2rem;
  }
  .as-footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2rem;
  }
  .as-footer-col h4 {
    font-family: 'Playfair Display', serif;
    color: var(--as-mint);
    margin-bottom: 1rem;
  }
  .as-footer-col p {
    margin: 0.5rem 0;
  }
  .as-map {
    border-radius: 1.2rem;
    overflow: hidden;
    max-width: 280px;
    width: 100%;
    height: 150px;
    background: #2c4b5e;
  }
  .as-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
    filter: brightness(0.85);
  }
  .as-copyright {
    text-align: center;
    border-top: 1px solid #24596b;
    padding-top: 1.5rem;
    font-size: 0.85rem;
  }

  /* ----- SCROLL REVEAL ANIMATIONS (IntersectionObserver) ----- */
  .as-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.2, 0.9, 0.3, 1), transform 0.7s ease;
  }
  .as-fade-up.as-visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Responsive */
  @media (max-width: 768px) {
    .as-container {
      padding: 0 1.5rem;
    }
    .as-nav {
      padding: 1rem 1rem;
    }
    .as-phone-btn span {
      display: none;
    }
    .as-phone-btn i {
      font-size: 1.2rem;
    }
    .as-phone-btn {
      padding: 0.7rem 1rem;
    }
    section {
      --as-section-gap: 4rem;
    }
  }
  .as-btn-outline {
    background: transparent;
    border: 1px solid var(--as-mint);
    color: var(--as-mint);
  }
  button {
    cursor: pointer;
  }