/* ===== CSS VARIABLES FOR LIGHT/DARK MODE ===== */
  :root {
    --navy: #041E42;
    --navy-light: #0a2d5e;
    --navy-dark: #020f22;
    --red: #C8102E;
    --red-light: #e01535;
    --gold: #F2C94C;
    --gold-dark: #d4a82a;
    --white: #FFFFFF;
    --grey-light: #F5F7FA;
    --grey-mid: #E8ECF2;
    --grey: #8899AA;
    --text-dark: #0d1b2a;
    --text-mid: #3a4a5c;
    --bg-body: var(--white);
    --bg-section-alt: var(--grey-light);
    --card-bg: var(--white);
    --card-border: var(--grey-mid);
    --shadow-card: 0 4px 32px rgba(4,30,66,0.10), 0 1px 4px rgba(4,30,66,0.06);
    --shadow-strong: 0 16px 64px rgba(4,30,66,0.18);
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'DM Mono', monospace;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --transition: all 0.28s cubic-bezier(0.4,0,0.2,1);
  }

  body.dark {
    --navy: #1A2B4C;
    --navy-light: #2C3E66;
    --navy-dark: #0A121F;
    --red: #E03A4E;
    --red-light: #ff5c6e;
    --gold: #F5D76E;
    --gold-dark: #e0b53a;
    --white: #E8EDF2;
    --grey-light: #1E2A3A;
    --grey-mid: #2C3A4A;
    --grey: #95A5B0;
    --text-dark: #E8EDF2;
    --text-mid: #B0C4DE;
    --bg-body: #121A25;
    --bg-section-alt: #16202E;
    --card-bg: #1E2A3A;
    --card-border: #2C3A4A;
    --shadow-card: 0 4px 32px rgba(0,0,0,0.3);
    --shadow-strong: 0 16px 64px rgba(0,0,0,0.5);
  }

  *, *::before, *::after { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    transition: background-color 0.3s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  }
  
  html { scroll-behavior: smooth; font-size: 16px; }
  
  body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--bg-body);
    line-height: 1.65;
    overflow-x: hidden;
  }

  /* ===== SCROLLBAR ===== */
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: var(--grey-light); }
  ::-webkit-scrollbar-thumb { background: var(--navy); border-radius: 3px; }

  /* ===== NAVBAR ===== */
  nav {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    padding: 0 5%;
    background: rgba(4,30,66,0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(242,201,76,0.15);
    transition: var(--transition);
  }
  body.dark nav {
    background: rgba(10,18,31,0.98);
  }
  .nav-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
  }
  .nav-logo {
    display: flex; align-items: center; gap: 12px;
    text-decoration: none;
  }
  .nav-logo-icon {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--red), #ff2040);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
  }
  .nav-logo-icon::before {
    content: '';
    position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 44 44'%3E%3Cpath d='M4 22 L10 22 L13 14 L16 30 L19 18 L22 28 L25 8 L28 36 L31 20 L34 26 L37 22 L40 22' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/cover;
  }
  .nav-logo-text { display: flex; flex-direction: column; }
  .nav-logo-title { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--white); line-height: 1.1; letter-spacing: 0.02em; }
  .nav-logo-sub { font-size: 0.62rem; color: var(--gold); letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500; }
  .nav-links { display: flex; align-items: center; gap: 28px; }
  .nav-links a { text-decoration: none; color: rgba(255,255,255,0.8); font-size: 0.88rem; font-weight: 500; letter-spacing: 0.02em; transition: var(--transition); }
  .nav-links a:hover { color: var(--gold); }
  .nav-cta {
    background: var(--red); color: var(--white);
    padding: 9px 22px; border-radius: 8px;
    font-weight: 600; font-size: 0.84rem; text-decoration: none;
    transition: var(--transition); letter-spacing: 0.02em;
    border: none; cursor: pointer;
  }
  .nav-cta:hover { background: var(--red-light); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(200,16,46,0.4); color: white; }
  
  /* Theme Toggle Button */
  .theme-toggle {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--gold);
    font-size: 1.2rem;
    transition: var(--transition);
  }
  .theme-toggle:hover {
    background: var(--red);
    color: white;
    transform: rotate(15deg);
  }
  
  .hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
  .hamburger span { display: block; width: 24px; height: 2px; background: var(--white); margin: 5px 0; border-radius: 2px; transition: var(--transition); }
  .mobile-menu { display: none; }

  /* ===== HERO ===== */
  #hero {
    min-height: 100vh;
    background: var(--navy-dark);
    position: relative; overflow: hidden;
    display: flex; align-items: center;
    flex-direction: column; justify-content: center;
  }
  .hero-bg {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(10,45,94,0.9) 0%, rgba(2,15,34,1) 70%);
  }
  body.dark .hero-bg {
    background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(0,0,0,0.8) 0%, #0a121f 90%);
  }
  .hero-grid {
    position: absolute; inset: 0; opacity: 0.04;
    background-image: linear-gradient(rgba(242,201,76,0.5) 1px, transparent 1px), linear-gradient(90deg, rgba(242,201,76,0.5) 1px, transparent 1px);
    background-size: 50px 50px;
  }
  .ecg-canvas {
    position: absolute; bottom: 0; left: 0; width: 100%; height: 180px;
    opacity: 0.18;
  }
  .hero-content {
    position: relative; z-index: 2;
    max-width: 1200px; width: 100%; margin: 0 auto; padding: 0 5%;
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
    align-items: center; padding-top: 90px; padding-bottom: 60px;
  }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(200,16,46,0.15); border: 1px solid rgba(200,16,46,0.4);
    color: #ff6b7a; padding: 6px 16px; border-radius: 50px;
    font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
    margin-bottom: 24px;
  }
  .hero-badge::before { content: ''; width: 6px; height: 6px; background: var(--red); border-radius: 50%; animation: pulse-dot 2s infinite; }
  @keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(0.7)} }
  .hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 4.5vw, 3.8rem);
    font-weight: 900; color: var(--white);
    line-height: 1.08; margin-bottom: 16px;
    letter-spacing: -0.02em;
  }
  .hero-title span { color: var(--gold); display: block; }
  .hero-subtitle {
    font-family: var(--font-display); font-style: italic;
    font-size: 1.1rem; color: var(--gold); margin-bottom: 18px; font-weight: 400; letter-spacing: 0.04em;
  }
  .hero-desc {
    font-size: 1.02rem; color: rgba(255,255,255,0.72); line-height: 1.75;
    margin-bottom: 36px; max-width: 480px;
  }
  .hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
  .btn-primary {
    background: var(--red); color: var(--white);
    padding: 14px 32px; border-radius: 10px;
    font-weight: 700; font-size: 0.9rem; letter-spacing: 0.06em; text-transform: uppercase;
    text-decoration: none; border: none; cursor: pointer;
    transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
  }
  .btn-primary:hover { background: var(--red-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,16,46,0.45); color: white; }
  .btn-outline {
    background: transparent; color: var(--white);
    padding: 14px 32px; border-radius: 10px;
    font-weight: 600; font-size: 0.9rem; letter-spacing: 0.06em; text-transform: uppercase;
    text-decoration: none; border: 2px solid rgba(255,255,255,0.3); cursor: pointer;
    transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
  }
  .btn-outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

  .hero-visual {
    display: flex; justify-content: center; align-items: center; position: relative;
  }
  .hero-device-cluster {
    position: relative; width: 380px; height: 380px;
  }
  .device-card {
    position: absolute;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.14);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    animation: float-card 4s ease-in-out infinite;
  }
  .device-card:nth-child(1) { top: 0; left: 20px; width: 200px; animation-delay: 0s; }
  .device-card:nth-child(2) { top: 100px; right: 0; width: 175px; animation-delay: 0.8s; }
  .device-card:nth-child(3) { bottom: 40px; left: 0; width: 180px; animation-delay: 1.6s; }
  .device-card:nth-child(4) { bottom: 20px; right: 20px; width: 160px; animation-delay: 2.4s; }
  @keyframes float-card { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
  .device-icon { font-size: 2rem; margin-bottom: 8px; }
  .device-label { font-size: 0.78rem; font-weight: 700; color: var(--gold); text-transform: uppercase; letter-spacing: 0.08em; }
  .device-desc { font-size: 0.72rem; color: rgba(255,255,255,0.65); margin-top: 3px; }
  .device-ecg-line { width: 100%; height: 24px; margin-top: 10px; }

  /* ===== HERO STATS BAR (between hero and trust bar) ===== */
  .hero-stats {
    position: relative;
    z-index: 3;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
    background: rgba(2, 12, 28, 0.95);
    border-top: 1px solid rgba(242,201,76,0.2);
    border-bottom: 1px solid rgba(242,201,76,0.1);
    padding: 20px 5%;
  }
  .hero-stat {
    text-align: center;
    padding: 10px 32px;
    border-right: 1px solid rgba(255,255,255,0.1);
  }
  .hero-stat:last-child { border-right: none; }
  .hero-stat-num { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--gold); }
  .hero-stat-label { font-size: 0.72rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.06em; }

  /* ===== TRUST BAR ===== */
  #trust-bar {
    background: var(--bg-section-alt);
    border-top: 3px solid var(--red);
    padding: 0 5%;
  }
  .trust-inner {
    max-width: 1200px; margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    align-items: center;
  }
  .trust-item {
    display: flex; align-items: center; justify-content: center; gap: 9px;
    font-size: 0.82rem; font-weight: 600; color: var(--text-dark);
    white-space: nowrap;
    padding: 18px 10px;
    border-right: 1px solid var(--grey-mid);
    text-align: center;
  }
  .trust-item:last-child { border-right: none; }
  .trust-item i { color: var(--red); font-size: 1.05rem; flex-shrink: 0; }

  @media (max-width: 1100px) {
    .trust-inner { grid-template-columns: repeat(3, 1fr); }
    .trust-item:nth-child(3) { border-right: none; }
    .trust-item:nth-child(4),
    .trust-item:nth-child(5),
    .trust-item:nth-child(6) { border-top: 1px solid var(--grey-mid); }
  }
  @media (max-width: 600px) {
    .trust-inner { grid-template-columns: repeat(2, 1fr); }
    .trust-item { font-size: 0.76rem; padding: 14px 8px; white-space: normal; text-align: center; }
    .trust-item:nth-child(2n) { border-right: none; }
    .trust-item:nth-child(3),
    .trust-item:nth-child(4),
    .trust-item:nth-child(5),
    .trust-item:nth-child(6) { border-top: 1px solid var(--grey-mid); }
    .trust-item:nth-child(3) { border-right: 1px solid var(--grey-mid); }
  }

  /* ===== SECTION BASE ===== */
  section { padding: 90px 5%; }
  .section-inner { max-width: 1200px; margin: 0 auto; }
  .section-label {
    display: inline-block;
    font-size: 0.74rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--red); margin-bottom: 12px;
    padding: 4px 14px; border-radius: 50px;
    background: rgba(200,16,46,0.08); border: 1px solid rgba(200,16,46,0.2);
  }
  .section-title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 3.5vw, 2.8rem);
    font-weight: 700; color: var(--navy);
    line-height: 1.15; margin-bottom: 16px;
  }
  body.dark .section-title { color: var(--white); }
  .section-subtitle {
    font-size: 1.06rem; color: var(--text-mid);
    max-width: 600px; line-height: 1.7;
  }
  .section-header { margin-bottom: 52px; }

  /* ===== SERVICES SECTION ===== */
  #services { background: var(--bg-section-alt); }
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 24px;
  }
  .service-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    position: relative; overflow: hidden;
    border: 1px solid var(--card-border);
    cursor: default;
  }
  .service-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--red), var(--gold));
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  }
  .service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-strong); }
  .service-card:hover::before { transform: scaleX(1); }
  .service-icon {
    width: 56px; height: 56px; border-radius: 14px;
    background: rgba(4,30,66,0.07);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; color: var(--navy);
    margin-bottom: 20px; transition: var(--transition);
  }
  body.dark .service-icon { background: rgba(255,255,255,0.1); color: var(--gold); }
  .service-card:hover .service-icon { background: var(--red); color: var(--white); }
  .service-card h3 { font-family: var(--font-display); font-size: 1.12rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
  .service-card p { font-size: 0.88rem; color: var(--text-mid); line-height: 1.65; margin-bottom: 18px; }
  .service-link {
    font-size: 0.82rem; font-weight: 700; color: var(--red);
    text-decoration: none; letter-spacing: 0.06em; text-transform: uppercase;
    display: inline-flex; align-items: center; gap: 6px; transition: var(--transition);
  }
  .service-link:hover { gap: 10px; }

  /* ===== WHY BUMCDS ===== */
  #why { background: var(--bg-body); }
  .why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
  .why-image-block { position: relative; }
  .why-main-card {
    background: var(--navy);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    position: relative; overflow: hidden;
  }
  .why-main-card::before {
    content: '';
    position: absolute; top: -40px; right: -40px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(200,16,46,0.3) 0%, transparent 70%);
    border-radius: 50%;
  }
  .why-main-card::after {
    content: '';
    position: absolute; bottom: -20px; left: -20px;
    width: 160px; height: 160px;
    background: radial-gradient(circle, rgba(242,201,76,0.15) 0%, transparent 70%);
    border-radius: 50%;
  }
  .why-card-stat { position: relative; z-index: 1; }
  .why-card-stat .big-num {
    font-family: var(--font-display); font-size: 4rem; font-weight: 900; color: var(--gold);
    line-height: 1;
  }
  .why-card-stat p { color: rgba(255,255,255,0.8); font-size: 1rem; margin-top: 8px; }
  .why-ecg-strip { margin-top: 28px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.12); }
  .why-floating-card {
    position: absolute; bottom: -24px; right: -24px;
    background: var(--card-bg); border-radius: var(--radius-md);
    padding: 16px 20px; box-shadow: var(--shadow-strong);
    display: flex; align-items: center; gap: 12px;
    min-width: 200px;
  }
  .why-floating-icon {
    width: 42px; height: 42px; background: rgba(200,16,46,0.1);
    border-radius: 10px; display: flex; align-items: center; justify-content: center;
    color: var(--red); font-size: 1.2rem;
  }
  .why-floating-text strong { display: block; font-size: 0.9rem; color: var(--text-dark); }
  .why-floating-text span { font-size: 0.78rem; color: var(--grey); }
  .why-features { display: grid; gap: 20px; }
  .why-feature {
    display: flex; gap: 18px; align-items: flex-start;
    padding: 22px; border-radius: var(--radius-md);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    transition: var(--transition);
  }
  .why-feature:hover { background: rgba(200,16,46,0.08); }
  .why-feature-icon {
    width: 48px; height: 48px; min-width: 48px;
    background: var(--navy); border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: var(--gold); font-size: 1.3rem;
  }
  .why-feature h4 { font-size: 0.98rem; font-weight: 700; color: var(--text-dark); margin-bottom: 5px; }
  .why-feature p { font-size: 0.86rem; color: var(--text-mid); line-height: 1.6; }

  /* ===== PATIENT JOURNEY ===== */
  #journey { background: var(--navy); }
  #journey .section-title, #journey .section-subtitle { color: var(--white); }
  #journey .section-label { background: rgba(200,16,46,0.3); border-color: rgba(200,16,46,0.5); color: #ff6b7a; }
  .journey-steps {
    display: grid; grid-template-columns: repeat(4, 1fr);
    position: relative; gap: 0;
    margin-top: 50px;
  }
  .journey-steps::before {
    content: '';
    position: absolute; top: 38px; left: 10%; right: 10%; height: 2px;
    background: linear-gradient(90deg, var(--red), var(--gold));
    z-index: 0;
  }
  .journey-step {
    text-align: center; padding: 20px 16px; position: relative; z-index: 1;
  }
  .step-num {
    width: 76px; height: 76px; margin: 0 auto 20px;
    background: var(--navy-light);
    border: 3px solid var(--red);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-size: 1.5rem; font-weight: 900; color: var(--gold);
    position: relative; z-index: 2;
    transition: var(--transition);
  }
  .step-num:hover { background: var(--red); color: var(--white); transform: scale(1.1); }
  .journey-step h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
  .journey-step p { font-size: 0.83rem; color: rgba(255,255,255,0.6); line-height: 1.6; }
  .step-icon { font-size: 1.1rem; color: var(--gold); margin-bottom: 6px; }

  /* ===== CONDITIONS ===== */
  #conditions { background: var(--bg-section-alt); }
  .conditions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px; margin-top: 10px;
  }
  .condition-tag {
    background: var(--card-bg); border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 14px 18px; font-size: 0.86rem;
    font-weight: 600; color: var(--text-dark);
    display: flex; align-items: center; gap: 10px;
    transition: var(--transition); cursor: default;
  }
  .condition-tag i { color: var(--red); font-size: 0.95rem; }
  .condition-tag:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }
  .condition-tag:hover i { color: var(--gold); }

  /* ===== MOBILE CARDIOLOGY ===== */
  #mobile-cardio { background: var(--bg-body); position: relative; overflow: hidden; }
  .mobile-cardio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
  .ghana-map-container {
    position: relative; background: var(--card-bg);
    border-radius: var(--radius-lg); overflow: hidden;
    border: 2px solid var(--card-border); aspect-ratio: 4/3;
    display: flex; align-items: center; justify-content: center;
  }
  .map-placeholder { text-align: center; padding: 30px; }
  .map-placeholder i { font-size: 4rem; color: var(--navy); opacity: 0.3; }
  .coverage-dot {
    position: absolute; width: 12px; height: 12px;
    background: var(--red); border-radius: 50%;
    border: 2px solid var(--white);
    box-shadow: 0 0 0 0 rgba(200,16,46,0.4);
    animation: pulse-coverage 2.5s ease-out infinite;
  }
  @keyframes pulse-coverage {
    0% { box-shadow: 0 0 0 0 rgba(200,16,46,0.4); }
    70% { box-shadow: 0 0 0 12px rgba(200,16,46,0); }
    100% { box-shadow: 0 0 0 0 rgba(200,16,46,0); }
  }
  .coverage-dot:nth-child(1) { top: 42%; left: 44%; animation-delay: 0s; }
  .coverage-dot:nth-child(2) { top: 30%; left: 52%; animation-delay: 0.6s; }
  .coverage-dot:nth-child(3) { top: 55%; left: 35%; animation-delay: 1.2s; }
  .coverage-dot:nth-child(4) { top: 50%; left: 62%; animation-delay: 1.8s; }
  .mobile-features { display: grid; gap: 20px; }
  .mobile-feature {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 20px 22px; background: var(--card-bg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--red);
    border: 1px solid var(--card-border);
    transition: var(--transition);
  }
  .mobile-feature:hover { background: rgba(200,16,46,0.08); }
  .mobile-feature i { font-size: 1.3rem; color: var(--red); margin-top: 2px; }
  .mobile-feature h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
  .mobile-feature p { font-size: 0.84rem; color: var(--text-mid); line-height: 1.6; }

  /* ===== ABOUT ===== */
  #about { background: var(--bg-section-alt); }
  .about-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 70px; align-items: center; }
  .about-portrait-block { position: relative; }
  .portrait-frame {
    width: 100%; max-width: 360px; aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    border-radius: var(--radius-lg); position: relative; overflow: hidden;
    box-shadow: var(--shadow-strong);
  }
  .portrait-frame::before {
    content: '';
    position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='25' fill='none' stroke='rgba(242,201,76,0.1)' stroke-width='1'/%3E%3C/svg%3E") repeat;
  }
  .portrait-placeholder {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
  }
  .portrait-initials {
    width: 100px; height: 100px; background: rgba(242,201,76,0.2);
    border: 3px solid var(--gold); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-size: 2rem; font-weight: 900;
    color: var(--gold); margin-bottom: 16px;
  }
  .founder-image {
    width: 100%; height: 100%; object-fit: cover; object-position: center;
    display: block;
  }
  .portrait-name { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--white); text-align: center; }
  .portrait-title-text { font-size: 0.8rem; color: rgba(255,255,255,0.6); text-align: center; margin-top: 4px; }
  .about-badge-strip {
    position: absolute; bottom: -16px; left: 50%; transform: translateX(-50%);
    background: var(--red); color: var(--white);
    padding: 10px 24px; border-radius: 50px;
    font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
    white-space: nowrap; box-shadow: 0 4px 16px rgba(200,16,46,0.4);
  }
  .about-content h2 { font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.2rem); font-weight: 700; color: var(--navy); margin-bottom: 8px; }
  body.dark .about-content h2 { color: var(--white); }
  .about-content .about-role { color: var(--red); font-weight: 600; margin-bottom: 18px; font-size: 0.95rem; letter-spacing: 0.03em; }
  .about-content p { font-size: 0.95rem; color: var(--text-mid); line-height: 1.8; margin-bottom: 16px; }
  .about-credentials { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
  .credential {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 14px 16px; background: var(--card-bg);
    border-radius: var(--radius-sm); border-left: 3px solid var(--gold);
  }
  .credential i { color: var(--gold); font-size: 1.1rem; margin-top: 2px; }
  .credential strong { display: block; font-size: 0.88rem; color: var(--text-dark); }
  .credential span { font-size: 0.8rem; color: var(--grey); }

  /* ===== TESTIMONIALS ===== */
  #testimonials { background: var(--bg-body); }
  .testimonials-carousel { position: relative; overflow: hidden; }
  .testimonials-track {
    display: flex; gap: 24px;
    transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
  }
  .testimonial-card {
    min-width: calc(33.33% - 16px);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    position: relative;
    border: 1px solid var(--card-border);
  }
  .testimonial-card .quote-mark {
    font-family: var(--font-display); font-size: 4rem; color: var(--red);
    opacity: 0.3; line-height: 1; margin-bottom: -10px;
  }
  .testimonial-card p { font-size: 0.92rem; color: var(--text-mid); line-height: 1.75; font-style: italic; margin-bottom: 20px; }
  .testimonial-author { display: flex; align-items: center; gap: 12px; }
  .author-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--navy); display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--gold);
  }
  .author-name { font-weight: 700; font-size: 0.88rem; color: var(--text-dark); }
  .author-role { font-size: 0.78rem; color: var(--grey); }
  .testimonial-stars { color: var(--gold); font-size: 0.85rem; margin-bottom: 12px; }
  .carousel-nav { display: flex; justify-content: center; gap: 12px; margin-top: 28px; }
  .carousel-btn {
    width: 40px; height: 40px; border-radius: 50%;
    border: 2px solid var(--card-border); background: var(--card-bg);
    cursor: pointer; font-size: 1rem; color: var(--text-dark);
    transition: var(--transition); display: flex; align-items: center; justify-content: center;
  }
  .carousel-btn:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }

  /* ===== LOCATION ===== */
  #location { background: var(--navy); }
  #location .section-title { color: var(--white); }
  #location .section-subtitle { color: rgba(255,255,255,0.65); }
  #location .section-label { color: #ff6b7a; background: rgba(200,16,46,0.3); border-color: rgba(200,16,46,0.5); }
  .location-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
  .map-embed {
    border-radius: var(--radius-lg); overflow: hidden;
    border: 2px solid rgba(255,255,255,0.12);
    height: 340px;
  }
  .map-embed iframe { width: 100%; height: 100%; border: none; filter: grayscale(20%) contrast(1.1); }
  .location-details { display: grid; gap: 20px; }
  .location-card {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    padding: 22px 24px;
    display: flex; gap: 16px; align-items: flex-start;
  }
  .location-card i { font-size: 1.3rem; color: var(--gold); margin-top: 3px; }
  .location-card h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.5); margin-bottom: 6px; }
  .location-card p, .location-card a { font-size: 0.94rem; color: var(--white); line-height: 1.6; text-decoration: none; }
  .location-card a:hover { color: var(--gold); }

  /* ===== CONTACT / BOOK ===== */
  #contact { background: var(--bg-section-alt); }
  .contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; }
  .contact-info h3 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--navy); margin-bottom: 18px; }
  body.dark .contact-info h3 { color: var(--white); }
  .contact-info p { font-size: 0.95rem; color: var(--text-mid); line-height: 1.75; margin-bottom: 28px; }
  .contact-buttons { display: grid; gap: 12px; }
  .contact-btn {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 20px; border-radius: var(--radius-md);
    text-decoration: none; transition: var(--transition);
    font-weight: 600; font-size: 0.92rem;
  }
  .contact-btn.phone { background: var(--navy); color: var(--white); }
  .contact-btn.phone:hover { background: var(--navy-light); transform: translateX(4px); }
  .contact-btn.whatsapp { background: #25D366; color: var(--white); }
  .contact-btn.whatsapp:hover { background: #1ebe5c; transform: translateX(4px); }
  .contact-btn.email-btn { background: var(--card-bg); color: var(--text-dark); border: 2px solid var(--card-border); }
  .contact-btn.email-btn:hover { border-color: var(--navy); transform: translateX(4px); }
  .contact-btn i { font-size: 1.2rem; width: 20px; text-align: center; }

  /* Appointment Form */
  .appointment-form {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--card-border);
  }
  .form-title { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
  .form-subtitle { font-size: 0.86rem; color: var(--grey); margin-bottom: 26px; }
  .form-group { margin-bottom: 18px; }
  .form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-dark); margin-bottom: 7px; letter-spacing: 0.03em; }
  .form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px;
    border: 1.5px solid var(--card-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body); font-size: 0.9rem; color: var(--text-dark);
    background: var(--bg-body);
    transition: var(--transition);
    outline: none;
  }
  .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--navy); box-shadow: 0 0 0 3px rgba(4,30,66,0.08);
  }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .form-group textarea { resize: vertical; min-height: 90px; }
  .form-submit {
    width: 100%; padding: 15px;
    background: var(--red); color: var(--white);
    border: none; border-radius: var(--radius-sm);
    font-family: var(--font-body); font-size: 0.95rem; font-weight: 700;
    letter-spacing: 0.06em; text-transform: uppercase;
    cursor: pointer; transition: var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 10px;
  }
  .form-submit:hover { background: var(--red-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(200,16,46,0.4); }
  .form-success, .form-error {
    padding: 14px 18px; border-radius: var(--radius-sm);
    font-size: 0.88rem; font-weight: 600; margin-top: 14px;
    display: none;
  }
  .form-success { background: rgba(39,174,96,0.1); border: 1px solid rgba(39,174,96,0.3); color: #27ae60; }
  .form-error { background: rgba(200,16,46,0.08); border: 1px solid rgba(200,16,46,0.3); color: var(--red); }

  /* ===== FOOTER ===== */
  footer {
    background: var(--navy-dark);
    padding: 60px 5% 30px;
    border-top: 3px solid var(--red);
  }
  .footer-inner { max-width: 1200px; margin: 0 auto; }
  .footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px; margin-bottom: 50px;
  }
  .footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.55); line-height: 1.75; margin: 16px 0 22px; max-width: 280px; }
  .footer-social { display: flex; gap: 10px; }
  .social-btn {
    width: 36px; height: 36px; border-radius: 8px;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.6); font-size: 0.9rem; text-decoration: none;
    transition: var(--transition);
  }
  .social-btn:hover { background: var(--red); color: var(--white); border-color: var(--red); }
  .footer-col h4 { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--gold); margin-bottom: 16px; }
  .footer-col ul { list-style: none; }
  .footer-col ul li { margin-bottom: 10px; }
  .footer-col ul li a { font-size: 0.86rem; color: rgba(255,255,255,0.55); text-decoration: none; transition: var(--transition); }
  .footer-col ul li a:hover { color: var(--white); padding-left: 4px; }
  .footer-divider { height: 1px; background: rgba(255,255,255,0.08); margin-bottom: 24px; }
  .footer-bottom {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  }
  .footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.35); }
  .footer-bottom a { color: rgba(255,255,255,0.5); text-decoration: none; }
  .footer-bottom a:hover { color: var(--gold); }

  /* ===== WHATSAPP FAB ===== */
  .whatsapp-fab {
    position: fixed; bottom: 28px; right: 28px; z-index: 999;
    width: 58px; height: 58px; border-radius: 50%;
    background: #25D366; color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; text-decoration: none;
    box-shadow: 0 6px 24px rgba(37,211,102,0.5);
    transition: var(--transition);
    animation: fab-bounce 3s ease-in-out infinite;
  }
  @keyframes fab-bounce { 0%,100%{transform:scale(1)} 50%{transform:scale(1.05)} }
  .whatsapp-fab:hover { transform: scale(1.12); box-shadow: 0 8px 32px rgba(37,211,102,0.6); }
  .fab-tooltip {
    position: absolute; right: 66px; top: 50%; transform: translateY(-50%);
    background: var(--navy); color: var(--white);
    padding: 6px 14px; border-radius: 8px;
    font-size: 0.78rem; font-weight: 600; white-space: nowrap;
    opacity: 0; transition: var(--transition); pointer-events: none;
  }
  .whatsapp-fab:hover .fab-tooltip { opacity: 1; }

  /* ===== BACK TO TOP ===== */
  #back-top {
    position: fixed; bottom: 96px; right: 28px; z-index: 998;
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--navy); color: var(--white);
    border: 2px solid rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; cursor: pointer; text-decoration: none;
    transition: var(--transition); opacity: 0; pointer-events: none;
  }
  #back-top.visible { opacity: 1; pointer-events: all; }
  #back-top:hover { background: var(--red); border-color: var(--red); transform: translateY(-3px); }

  /* ===== ANIMATIONS ===== */
  .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
  .reveal.visible { opacity: 1; transform: translateY(0); }
  .reveal-left { opacity: 0; transform: translateX(-28px); transition: opacity 0.65s ease, transform 0.65s ease; }
  .reveal-left.visible { opacity: 1; transform: translateX(0); }
  .reveal-right { opacity: 0; transform: translateX(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
  .reveal-right.visible { opacity: 1; transform: translateX(0); }

  /* ===== LOADING ===== */
  #loader {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--navy-dark);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    transition: opacity 0.6s ease;
  }
  #loader.fade-out { opacity: 0; pointer-events: none; }
  .loader-ecg { width: 240px; height: 60px; margin-bottom: 20px; }
  .loader-text { font-size: 0.78rem; color: rgba(255,255,255,0.5); letter-spacing: 0.2em; text-transform: uppercase; font-family: var(--font-mono); }

  /* ===== RESPONSIVE ===== */
  @media (max-width: 992px) {
    .hero-content { grid-template-columns: 1fr; gap: 40px; padding-top: 100px; padding-bottom: 40px; }
    .hero-visual { display: none; }
    .why-grid, .mobile-cardio-grid, .about-grid, .location-grid, .contact-grid { grid-template-columns: 1fr; }
    .journey-steps { grid-template-columns: 1fr 1fr; }
    .journey-steps::before { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .testimonial-card { min-width: calc(50% - 12px); }
    .hero-stat { padding: 10px 20px; }
  }

  @media (max-width: 680px) {
    /* ─── Layout ─────────────────────────────────── */
    section { padding: 60px 5%; }

    /* ─── Navbar ─────────────────────────────────── */
    .nav-links { display: none; }
    .hamburger { display: flex; align-items: center; justify-content: center; }

    /* ─── Mobile menu ────────────────────────────── */
    .mobile-menu.open {
      display: flex; flex-direction: column;
      background: var(--navy-dark);
      padding: 20px 5% 24px; gap: 16px;
    }
    .mobile-menu a {
      color: rgba(255,255,255,0.8); text-decoration: none;
      font-size: 1rem; font-weight: 500;
    }
    .mobile-menu .mobile-theme-row {
      display: flex; align-items: center; justify-content: space-between;
      padding-top: 12px;
      border-top: 1px solid rgba(255,255,255,0.1);
      margin-top: 4px;
    }
    .mobile-menu .mobile-theme-row span {
      font-size: 0.82rem; color: rgba(255,255,255,0.55); font-weight: 500;
    }
    .mobile-menu .mobile-theme-btn {
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: 50px;
      width: 44px; height: 44px;
      display: flex; align-items: center; justify-content: center;
      cursor: pointer; color: var(--gold); font-size: 1.2rem;
      transition: var(--transition);
    }
    .mobile-menu .mobile-theme-btn:hover { background: var(--red); color: white; }

    /* ─── Hero ───────────────────────────────────── */
    #hero { min-height: auto; }
    .hero-content { padding-top: 88px; padding-bottom: 32px; }

    /* ─── Hero stats bar ─────────────────────────── */
    .hero-stat { padding: 8px 14px; border-right: none; }
    .hero-stat-num { font-size: 1.25rem; }
    .hero-stat-label { font-size: 0.6rem; }

    /* ─── Trust bar: handled by grid breakpoints above ──── */

    /* ─── Forms ──────────────────────────────────── */
    .form-row { grid-template-columns: 1fr; }
    .appointment-form { padding: 28px 20px; }

    /* ─── Testimonials ───────────────────────────── */
    .testimonial-card { min-width: 90%; }

    /* ─── Conditions ─────────────────────────────── */
    .conditions-grid { grid-template-columns: 1fr 1fr; }

    /* ─── Journey ────────────────────────────────── */
    .journey-steps { grid-template-columns: 1fr; }

    /* ─── Footer ─────────────────────────────────── */
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
    .footer-bottom p { font-size: 0.75rem; }
  }

  /* Extra-small phones */
  @media (max-width: 400px) {
    .nav-logo-text { display: none; }
    .hero-title { font-size: 2rem; }
    .hero-stat-num { font-size: 1.1rem; }
    .conditions-grid { grid-template-columns: 1fr; }
    .btn-primary, .btn-outline { padding: 12px 20px; font-size: 0.82rem; }
  }