/* =============================================
   HealthHub — Modern Healthcare UI
   ============================================= */

:root {
    --bg: #0a1428;
    --bg-2: #0f1d3a;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-2: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 179, 237, 0.5);
    --text: #e6edf7;
    --text-dim: #9aa5b8;
    --text-muted: #6b7689;

    --teal: #06b6d4;
    --blue: #3b82f6;
    --indigo: #6366f1;
    --purple: #a78bfa;
    --pink: #ec4899;
    --red: #ef4444;
    --orange: #f59e0b;
    --green: #10b981;

    --gradient-primary: linear-gradient(135deg, #06b6d4, #3b82f6, #6366f1);
    --gradient-accent: linear-gradient(135deg, #ec4899, #a78bfa);
    --gradient-text: linear-gradient(135deg, #22d3ee 0%, #818cf8 50%, #c084fc 100%);

    --radius: 14px;
    --radius-lg: 22px;
    --shadow-glow: 0 8px 32px rgba(6, 182, 212, 0.15);
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* =============================================
   Animated background orbs
   ============================================= */
.bg-orbs {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orb-float 18s ease-in-out infinite;
}
.orb-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
    top: -10%; left: -10%;
}
.orb-2 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, #6366f1 0%, transparent 70%);
    bottom: -20%; right: -10%;
    animation-delay: 6s;
}
.orb-3 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #ec4899 0%, transparent 70%);
    top: 40%; left: 50%;
    animation-delay: 12s;
    opacity: 0.25;
}
@keyframes orb-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(60px, -40px) scale(1.05); }
    66% { transform: translate(-40px, 50px) scale(0.95); }
}

/* =============================================
   Floating medical icons
   ============================================= */
.floating-icons {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}
.float-icon {
    position: absolute;
    font-size: 28px;
    opacity: 0.18;
    left: var(--x);
    top: var(--y);
    animation: float-bob 8s ease-in-out infinite;
    animation-delay: var(--delay);
    filter: drop-shadow(0 0 10px rgba(99, 179, 237, 0.5));
}
@keyframes float-bob {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(8deg); }
}

/* All content above the background */
nav, section, footer { position: relative; z-index: 2; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* =============================================
   Navbar
   ============================================= */
.navbar {
    position: sticky; top: 0;
    z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 40px;
    background: rgba(10, 20, 40, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.nav-brand {
    display: flex; align-items: center; gap: 12px;
}
.logo-pulse {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: var(--gradient-primary);
    display: flex; align-items: center; justify-content: center;
    color: white;
    animation: heartbeat 2s ease-in-out infinite;
    box-shadow: 0 0 24px rgba(6, 182, 212, 0.4);
}
.logo-pulse.small { width: 32px; height: 32px; }
@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    14% { transform: scale(1.12); }
    28% { transform: scale(1); }
    42% { transform: scale(1.12); }
    70% { transform: scale(1); }
}
.brand-name {
    font-weight: 800;
    font-size: 22px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
    padding: 10px 20px;
    background: var(--gradient-primary);
    color: white !important;
    border-radius: 10px;
    font-weight: 600 !important;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(59, 130, 246, 0.45); }

/* =============================================
   Hero
   ============================================= */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 80px 40px 100px;
}
.hero-content { animation: fade-up 0.9s ease-out; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}
.pulse-dot {
    width: 8px; height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
    70% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.hero-title {
    font-size: clamp(40px, 5.5vw, 64px);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.05;
    margin-bottom: 24px;
}
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-subtitle {
    font-size: 19px;
    color: var(--text-dim);
    max-width: 540px;
    margin-bottom: 36px;
}
.hero-cta { display: flex; gap: 14px; margin-bottom: 40px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(59, 130, 246, 0.5); }
.btn-ghost {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-hover); }
.btn-large { padding: 18px 36px; font-size: 17px; }

.trust-bar { display: flex; flex-wrap: wrap; gap: 22px; color: var(--text-dim); font-size: 13px; }
.trust-item { display: inline-flex; align-items: center; gap: 6px; }
.trust-item svg { color: var(--teal); }

/* Hero visual — info cards */
.hero-visual { display: flex; align-items: center; justify-content: center; }
.card-stack {
    display: grid;
    gap: 18px;
    width: 100%;
    max-width: 380px;
    animation: fade-up 1s ease-out 0.2s both;
}
.info-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition);
}
.info-card:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.card-1 { transform: translateX(-20px); }
.card-2 { transform: translateX(20px); }
.card-3 { transform: translateX(-10px); }
.card-header { display: flex; align-items: center; gap: 14px; }
.card-icon {
    font-size: 28px;
    width: 50px; height: 50px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(99, 102, 241, 0.15));
    display: flex; align-items: center; justify-content: center;
}
.card-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.card-value { font-size: 22px; font-weight: 700; color: var(--text); margin-top: 2px; }
.card-value span { font-size: 13px; color: var(--text-dim); font-weight: 500; margin-left: 4px; }

/* ECG line animation */
.ecg-line { margin-top: 14px; height: 50px; overflow: hidden; }
.ecg-line svg { width: 100%; height: 100%; }
.ecg-path {
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    animation: ecg-draw 2s ease-in-out infinite;
    filter: drop-shadow(0 0 6px rgba(16, 185, 129, 0.6));
}
@keyframes ecg-draw {
    0% { stroke-dashoffset: 600; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -600; }
}

/* =============================================
   Sections shared
   ============================================= */
section.features, section.how-it-works, section.security, section.final-cta {
    padding: 100px 0;
}
.section-header { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-eyebrow {
    display: inline-block;
    color: var(--teal);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}
.section-header h2, .security h2, .final-cta h2 {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 800;
    letter-spacing: -0.8px;
    margin-bottom: 16px;
    line-height: 1.15;
}
.section-header p { color: var(--text-dim); font-size: 17px; }

/* =============================================
   Features grid
   ============================================= */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
}
.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}
.feature-icon {
    width: 56px; height: 56px;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    color: white;
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}
.icon-blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.icon-red { background: linear-gradient(135deg, #ef4444, #dc2626); }
.icon-purple { background: linear-gradient(135deg, #a78bfa, #7c3aed); }
.icon-orange { background: linear-gradient(135deg, #f59e0b, #d97706); }
.icon-green { background: linear-gradient(135deg, #10b981, #059669); }
.icon-teal { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.feature-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 8px;
}
.feature-card p { color: var(--text-dim); font-size: 14.5px; }

/* =============================================
   How-it-works steps
   ============================================= */
.steps {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.step {
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    flex: 1;
    min-width: 260px;
    max-width: 320px;
    text-align: center;
    transition: transform var(--transition);
}
.step:hover { transform: translateY(-4px); }
.step-num {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 700;
    margin-bottom: 18px;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}
.step h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 14.5px; }
.step-arrow {
    font-size: 24px;
    color: var(--teal);
    align-self: center;
    opacity: 0.6;
}

/* =============================================
   Security
   ============================================= */
.security-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.security h2 { margin-bottom: 20px; }
.security .lead { color: var(--text-dim); font-size: 17px; margin-bottom: 24px; }
.checklist { list-style: none; padding: 0; }
.checklist li {
    padding: 10px 0 10px 30px;
    position: relative;
    color: var(--text);
    font-size: 15.5px;
}
.checklist li::before {
    content: '✓';
    position: absolute;
    left: 0; top: 10px;
    width: 22px; height: 22px;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: white;
    font-size: 13px;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.security-visual { display: flex; justify-content: center; }
.shield-card {
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    max-width: 360px;
    width: 100%;
    box-shadow: var(--shadow-glow);
    animation: shield-float 4s ease-in-out infinite;
}
@keyframes shield-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}
.shield-icon {
    width: 100px; height: 100px;
    margin: 0 auto 20px;
    border-radius: 24px;
    background: var(--gradient-primary);
    color: white;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.5);
}
.shield-title { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.shield-sub { color: var(--text-dim); font-size: 14px; }

/* =============================================
   Final CTA
   ============================================= */
.final-cta { text-align: center; padding: 80px 0 120px; }
.final-cta h2 { margin-bottom: 14px; }
.final-cta p { color: var(--text-dim); font-size: 17px; margin-bottom: 32px; }

/* =============================================
   Footer
   ============================================= */
footer {
    padding: 40px 24px;
    border-top: 1px solid var(--border);
    background: rgba(10, 20, 40, 0.5);
}
.footer-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}
.footer-tag { color: var(--text-dim); font-size: 13.5px; margin-top: 10px; max-width: 360px; }
.footer-meta { color: var(--text-muted); font-size: 13px; text-align: right; }

/* =============================================
   Reveal-on-scroll
   ============================================= */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes fade-up {
    from { opacity: 0; transform: translateY(28px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 980px) {
    .hero { grid-template-columns: 1fr; gap: 60px; text-align: center; padding-top: 50px; }
    .hero-content { display: flex; flex-direction: column; align-items: center; }
    .hero-subtitle { margin: 0 auto 36px; }
    .hero-cta { justify-content: center; }
    .trust-bar { justify-content: center; }
    .card-stack { max-width: 320px; }
    .card-1, .card-2, .card-3 { transform: none; }
    .security-grid { grid-template-columns: 1fr; gap: 40px; }
    .steps { flex-direction: column; align-items: center; }
    .step-arrow { transform: rotate(90deg); }
    .nav-links { gap: 18px; }
    .nav-links a:not(.nav-cta) { display: none; }
}
@media (max-width: 600px) {
    .navbar { padding: 14px 20px; }
    .footer-grid { flex-direction: column; text-align: center; }
    .footer-meta { text-align: center; }
}

/* =============================================
   Dashboard
   ============================================= */
.welcome-card {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(99, 102, 241, 0.12));
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-glow);
}
.welcome-text { flex: 1; }
.welcome-card h1 {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.15;
    margin: 8px 0 12px;
}
.welcome-card .lead { color: var(--text-dim); font-size: 16px; max-width: 600px; }

.status-indicator {
    position: relative;
    width: 80px; height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.4);
}
.pulse-ring {
    position: absolute; inset: 0;
    border-radius: 50%;
    border: 3px solid rgba(16, 185, 129, 0.6);
    animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.6); opacity: 0; }
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-bottom: 60px;
}
.info-tile {
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    padding: 24px;
    transition: border-color var(--transition), transform var(--transition);
}
.info-tile:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.tile-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}
.tile-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    word-break: break-all;
}
.tile-value.mono { font-family: 'JetBrains Mono', monospace; font-size: 14px; }
.tile-meta { font-size: 12.5px; color: var(--text-dim); }

.coming-soon { margin-bottom: 40px; }

.debug {
    margin-top: 40px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    color: var(--text-dim);
    font-size: 13px;
}
.debug summary { cursor: pointer; font-weight: 600; color: var(--text); }
.debug pre {
    margin-top: 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-dim);
    max-height: 300px;
    overflow-y: auto;
}

@media (max-width: 700px) {
    .welcome-card { flex-direction: column; text-align: center; padding: 30px; }
    .status-indicator { margin-top: 10px; }
}

/* ========== Phase 3 — Real Epic data sections ========== */
.data-section { margin: 40px 0; }
.data-section .section-header { margin-bottom: 22px; }
.data-section h2 { font-size: 1.8rem; margin: 4px 0; }

.data-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.data-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 22px;
    backdrop-filter: blur(20px);
}

.data-card-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.data-card-head h3 { font-size: 1.05rem; font-weight: 600; }
.data-count {
    padding: 3px 10px;
    background: rgba(99,102,241,0.18);
    color: #a5b4fc;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.data-list { list-style: none; padding: 0; margin: 0; max-height: 240px; overflow-y: auto; }
.data-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 0.88rem;
    color: rgba(255,255,255,0.85);
}
.data-list li:last-child { border-bottom: none; }
.data-empty {
    color: rgba(255,255,255,0.45);
    font-style: italic;
    font-size: 0.85rem;
    padding: 12px 0;
}

/* Table style for vitals and labs */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
.data-table th {
    text-align: left;
    padding: 12px 14px;
    color: rgba(255,255,255,0.55);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.72rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: rgba(255,255,255,0.85);
}
.data-table tbody tr:hover { background: rgba(255,255,255,0.03); }
.data-table .mono { font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; }

@media (max-width: 900px) {
    .data-grid { grid-template-columns: 1fr; }
}