:root {
    /* Color Palette - Light Split Theme */
    --cardio-bg: #FCFAFA;
    --cardio-surface: #FFFFFF;
    --vital-surface-alt: #FFF5F4;
    --cardio-ink: #1A1A2A;
    --cardio-ink-muted: #5A5A6D;
    --vital-accent: #D94841;
    --vital-accent-hover: #BF3A34;
    --blood-gradient: linear-gradient(135deg, #D94841 0%, #E87A75 100%);
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Mulish', sans-serif;
    
    /* Spacing & Borders */
    --pad-spacious: 16dvh;
    --curve-soft: 16px;
    --shadow-raised: 0 10px 25px rgba(26, 26, 42, 0.08);
    --shadow-sm: 0 4px 12px rgba(26, 26, 42, 0.04);
}

/* Reset & Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--cardio-bg);
    color: var(--cardio-ink);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

/* Typography Base */
.display-heading {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    color: var(--cardio-ink);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.intro-paragraph {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--cardio-ink-muted);
    margin-bottom: 2rem;
    max-width: 90%;
}

h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
}

.section-headline-centered {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 3rem;
}

/* Announcement Bar */
.vital-announce-strip {
    background-color: var(--vital-accent);
    color: var(--cardio-surface);
    text-align: center;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
}
.vital-announce-strip a {
    color: var(--cardio-surface);
    text-decoration: underline;
    margin-left: 0.5rem;
}

/* Header (Preset B) */
.wellness-top-bar {
    background-color: var(--cardio-surface);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow 0.3s ease;
}

body:has(.wellness-top-bar:focus-within) .wellness-top-bar,
.wellness-top-bar:hover {
    box-shadow: var(--shadow-sm);
}

.wellness-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cardio-ink);
}

.wellness-nav-links {
    display: flex;
    gap: 2rem;
}

.wellness-nav-links a {
    font-weight: 600;
    font-size: 1rem;
}

.wellness-nav-links a:hover {
    color: var(--vital-accent);
}

.mobile-checkbox {
    display: none;
}
.hamburger-icon {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 101;
}
.hamburger-icon .bar {
    width: 25px;
    height: 2px;
    background-color: var(--cardio-ink);
    transition: 0.3s;
}

/* Buttons */
.action-trigger, .action-trigger-alt {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--curve-soft);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.3s;
}
.action-trigger {
    background: var(--vital-accent);
    color: var(--cardio-surface);
    border: none;
}
.action-trigger:hover {
    background: var(--vital-accent-hover);
    color: var(--cardio-surface);
    transform: translateY(-2px);
}
.action-trigger-alt {
    background: var(--cardio-surface);
    color: var(--cardio-ink);
    box-shadow: var(--shadow-sm);
}
.action-trigger-alt:hover {
    box-shadow: var(--shadow-raised);
    color: var(--vital-accent);
}

/* Index - Hero Split (Preset B) */
.blood-hero-split {
    display: flex;
    min-height: 85vh;
    background-color: var(--cardio-surface);
}

.blood-hero-text {
    flex: 0 0 55%;
    padding: var(--pad-spacious) 5% var(--pad-spacious) 8%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.blood-hero-visual {
    flex: 0 0 45%;
}

.blood-hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Index - Journal Spread */
.journal-cover-spread img {
    width: 100%;
    height: 45vh;
    object-fit: cover;
}

.journal-columns-area {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    padding: 5dvh 8% var(--pad-spacious);
    background-color: var(--cardio-surface);
}

.j-col-item {
    border-top: 3px solid var(--vital-accent);
    padding-top: 1.5rem;
}

.j-col-head {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.j-col-desc {
    color: var(--cardio-ink-muted);
}

/* Index - Features Masonry */
.masonry-habits-zone {
    padding: var(--pad-spacious) 8%;
    background-color: var(--cardio-bg);
}

.masonry-intro {
    text-align: center;
    margin-bottom: 4rem;
}
.masonry-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}
.masonry-intro p {
    color: var(--cardio-ink-muted);
    font-size: 1.2rem;
}

.masonry-grid-layout {
    column-count: 2;
    column-gap: 2rem;
}

.masonry-card {
    break-inside: avoid;
    background: var(--cardio-surface);
    border-radius: var(--curve-soft);
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s;
}
.masonry-card:hover {
    box-shadow: var(--shadow-raised);
}

.masonry-card svg {
    margin-bottom: 1.5rem;
}

.masonry-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.masonry-card p {
    color: var(--cardio-ink-muted);
}

.card-tall { padding-bottom: 4rem; }
.card-short { padding-bottom: 2rem; }

/* Index - Progress Pathway */
.progress-pathway-area {
    padding: var(--pad-spacious) 8%;
    background-color: var(--cardio-surface);
}

.pathway-headline {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 5rem;
}

.track-flex-container {
    display: flex;
    justify-content: space-between;
    border-top: 2px dashed var(--vital-accent);
    padding-top: 2rem;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.track-step {
    flex: 1;
    position: relative;
    padding: 0 1rem;
    text-align: center;
}

.step-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--cardio-surface);
    border: 2px solid var(--vital-accent);
    color: var(--vital-accent);
    border-radius: 50%;
    font-weight: bold;
    font-size: 1.2rem;
    position: absolute;
    top: -46px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.step-active .step-circle {
    background: var(--vital-accent);
    color: var(--cardio-surface);
}

.step-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.step-info {
    color: var(--cardio-ink-muted);
    font-size: 0.95rem;
}

/* CTA Strip */
.final-call-strip {
    background-color: var(--vital-accent);
    padding: var(--pad-spacious) 5%;
    text-align: center;
    color: var(--cardio-surface);
}

.mega-text {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 2rem;
    color: var(--cardio-surface);
}

/* Expert Page */
.expert-profile-split {
    display: flex;
    min-height: 80vh;
    background-color: var(--vital-surface-alt);
}
.expert-visual-pane {
    flex: 0 0 50%;
}
.expert-visual-pane img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.expert-bio-pane {
    flex: 0 0 50%;
    padding: var(--pad-spacious) 5%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stat-metrics-row {
    display: flex;
    justify-content: space-around;
    padding: 4rem 5%;
    background: var(--cardio-surface);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.metric-block {
    text-align: center;
}
.metric-number {
    display: block;
    font-family: var(--font-display);
    font-size: 3.5rem;
    color: var(--vital-accent);
    line-height: 1;
}
.metric-label {
    font-weight: 600;
    color: var(--cardio-ink-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: block;
}

.methodology-accordion-area {
    padding: var(--pad-spacious) 10%;
    background-color: var(--cardio-bg);
}

.accordion-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.approach-detail {
    background: var(--cardio-surface);
    margin-bottom: 1rem;
    border-radius: var(--curve-soft);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.approach-detail summary {
    padding: 1.5rem 2rem;
    font-weight: 600;
    font-size: 1.2rem;
    cursor: pointer;
    list-style: none;
    position: relative;
    border-bottom: 1px solid rgba(0,0,0,0.03);
}

.approach-detail summary::-webkit-details-marker {
    display: none;
}

.approach-content {
    padding: 1.5rem 2rem;
    color: var(--cardio-ink-muted);
}

.context-image-zone .full-width-scene {
    width: 100%;
    height: 60vh;
    object-fit: cover;
}

/* Booking Page */
.booking-split-layout {
    display: flex;
    padding: var(--pad-spacious) 5%;
    gap: 4rem;
    background-color: var(--cardio-bg);
}

.booking-info-pane {
    flex: 0 0 45%;
}

.info-module {
    margin-bottom: 2.5rem;
    background: var(--cardio-surface);
    padding: 2rem;
    border-radius: var(--curve-soft);
    box-shadow: var(--shadow-sm);
}

.info-module svg {
    margin-bottom: 1rem;
}

.info-module h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.module-bullets {
    list-style: none;
    margin-top: 1rem;
}
.module-bullets li {
    color: var(--cardio-ink-muted);
    margin-bottom: 0.5rem;
    display: flex;
    gap: 0.5rem;
}
.module-bullets span { color: var(--vital-accent); }

.booking-form-pane {
    flex: 1;
}

.form-wrapper-box {
    background: var(--cardio-surface);
    padding: 3rem;
    border-radius: var(--curve-soft);
    box-shadow: var(--shadow-raised);
}

.form-wrapper-box h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.wellness-form .input-group {
    margin-bottom: 1.5rem;
}

.wellness-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.wellness-form input[type="text"],
.wellness-form input[type="tel"],
.wellness-form textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background: var(--cardio-bg);
}

.wellness-form textarea {
    resize: vertical;
}

.checkbox-group {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.checkbox-group input {
    margin-top: 0.3rem;
}

.checkbox-group label {
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--cardio-ink-muted);
}
.checkbox-group a {
    color: var(--vital-accent);
    text-decoration: underline;
}

.submit-trigger {
    width: 100%;
    padding: 1.2rem;
    background: var(--vital-accent);
    color: var(--cardio-surface);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-trigger:hover {
    background: var(--vital-accent-hover);
}

.contact-direct {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--cardio-ink-muted);
}
.contact-direct a {
    color: var(--cardio-ink);
    font-weight: 600;
}

.faq-clarification-zone {
    padding: 0 10% var(--pad-spacious);
}

/* Legal Pages & Thank You */
.legal-document-area, .success-message-area {
    padding: var(--pad-spacious) 10%;
    min-height: 80vh;
    background: var(--cardio-bg);
}

.document-content {
    background: var(--cardio-surface);
    padding: 4rem;
    border-radius: var(--curve-soft);
    box-shadow: var(--shadow-sm);
    max-width: 900px;
    margin: 0 auto;
}

.document-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.document-content p {
    margin-bottom: 1.2rem;
    color: var(--cardio-ink-muted);
}

.cookies-section-block {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.success-message-area {
    display: flex;
    align-items: center;
    gap: 4rem;
}
.success-payload {
    flex: 1;
}
.success-visual {
    flex: 1;
}
.success-visual img {
    border-radius: var(--curve-soft);
    box-shadow: var(--shadow-raised);
}

/* Footer */
.wellness-base {
    background-color: var(--cardio-ink);
    color: var(--cardio-surface);
    padding: 4rem 5%;
    text-align: center;
}

.base-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.disclaimer-text {
    font-size: 0.85rem;
    opacity: 0.7;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.base-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.base-links a {
    font-size: 0.9rem;
    opacity: 0.8;
}

.base-links a:hover {
    opacity: 1;
    color: var(--vital-accent);
}

.copyright-text {
    font-size: 0.8rem;
    opacity: 0.5;
}

/* Cookie Banner */
.cookie-floating-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--cardio-surface);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 9999;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
}

.cookie-btn {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

.approve-btn {
    background: var(--vital-accent);
    color: var(--cardio-surface);
}

.reject-btn {
    background: rgba(0,0,0,0.1);
    color: var(--cardio-ink);
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .blood-hero-split, .expert-profile-split, .booking-split-layout {
        flex-direction: column;
    }
    .blood-hero-text, .expert-bio-pane {
        padding: 4rem 5%;
    }
    .journal-columns-area {
        grid-template-columns: 1fr;
    }
    .masonry-grid-layout {
        column-count: 1;
    }
    .track-flex-container {
        flex-direction: column;
        border-top: none;
        border-left: 2px dashed var(--vital-accent);
        padding-top: 0;
        margin-left: 20px;
        align-items: flex-start;
        gap: 3rem;
    }
    .step-circle {
        top: 0;
        left: -32px;
        transform: none;
        width: 40px;
        height: 40px;
    }
    .track-step {
        text-align: left;
        padding-left: 2rem;
    }
    .success-message-area {
        flex-direction: column;
    }
    .stat-metrics-row {
        flex-wrap: wrap;
        gap: 2rem;
    }
    .metric-block {
        width: 40%;
    }
}

@media (max-width: 768px) {
    .hamburger-icon {
        display: flex;
    }
    .wellness-nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--cardio-surface);
        flex-direction: column;
        text-align: center;
        padding: 2rem 0;
        box-shadow: var(--shadow-sm);
    }
    .mobile-checkbox:checked ~ .wellness-nav-links {
        display: flex;
    }
    .cookie-floating-bar {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    .document-content {
        padding: 2rem;
    }
}