:root {
    /* Colorful Corporate Variables */
    --joint-bg: #f8fafc;
    --joint-surface: #ffffff;
    --joint-text-main: #0f172a;
    --joint-text-muted: #475569;
    --joint-border-soft: #e2e8f0;
    
    --cartilage-accent: #3b82f6; /* Blue base */
    --muscle-dark: #1e1b4b; /* Deep indigo */
    --bone-light: #f1f5f9;
    
    --mobility-gradient: linear-gradient(135deg, #2563eb 0%, #8b5cf6 100%);
    --mobility-gradient-hover: linear-gradient(135deg, #1d4ed8 0%, #7c3aed 100%);
    
    --font-display: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    --panel-radius: 16px;
    --shadow-elevated: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-raised: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

img, svg {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Utilities */
.panel-rounded-xl {
    border-radius: var(--panel-radius);
}
.panel-shadow-xl {
    box-shadow: var(--shadow-elevated);
}
.text-center {
    text-align: center;
}
.bg-light-tone {
    background-color: var(--bone-light);
}

/* Header */
.joint-header-wrap {
    background: var(--mobility-gradient);
    color: #ffffff;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-raised);
}

.joint-header-box {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.25rem;
}

.brand-logo-wrap svg {
    width: 32px;
    height: 32px;
}

.main-navigation-pane {
    display: flex;
    gap: 2rem;
}

.nav-link-item {
    font-weight: 500;
    font-family: var(--font-display);
    position: relative;
    padding-bottom: 4px;
    transition: opacity 0.3s;
}

.nav-link-item:hover {
    opacity: 0.8;
}

.nav-link-item.active-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #ffffff;
}

.nav-trigger-input {
    display: none;
}

.nav-trigger-label {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-trigger-label span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: 0.3s;
}

@media (max-width: 768px) {
    .nav-trigger-label {
        display: flex;
    }
    .main-navigation-pane {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--muscle-dark);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 1.5rem;
    }
    .nav-trigger-input:checked ~ .main-navigation-pane {
        display: flex;
    }
}

/* Basic Layouts */
.main-content-flow {
    display: flex;
    flex-direction: column;
}

.joint-wrap-box {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.educational-segment {
    padding: 10dvh 0;
}

.segment-heading-dark {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--muscle-dark);
}

.segment-heading-light {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #ffffff;
}

.desc-text {
    font-size: 1.1rem;
    color: var(--joint-text-muted);
    margin-bottom: 1.5rem;
}

/* Button */
.action-trigger-btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--mobility-gradient);
    color: #ffffff;
    font-family: var(--font-display);
    font-weight: 700;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    transition: 0.3s;
    text-align: center;
}

.action-trigger-btn:hover {
    background: var(--mobility-gradient-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-raised);
}

.cta-alt-btn {
    background: var(--joint-surface);
    color: var(--cartilage-accent);
}
.cta-alt-btn:hover {
    background: #f1f5f9;
    color: var(--muscle-dark);
}

/* Hero Index */
.mobility-hero-sec {
    position: relative;
    padding: 12dvh 2rem;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-align: center;
}

.hero-gradient-overlay {
    position: absolute;
    inset: 0;
    background: var(--mobility-gradient);
    opacity: 0.85;
    z-index: 1;
}

.hero-content-box {
    position: relative;
    z-index: 2;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-main-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-sub-desc {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-action-row {
    margin-bottom: 4rem;
}

/* Stats Counter Row */
.cartilage-stats-row {
    display: flex;
    gap: 3rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.stat-insight-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number-val {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
}

.stat-label-txt {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.8;
}

/* Trust Strip */
.trust-logo-strip {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 1.5rem;
    width: 100%;
}

.trust-label {
    font-size: 0.9rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.trust-icons-row {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.trust-icons-row svg {
    width: 32px;
    height: 32px;
    opacity: 0.9;
}

/* Scroll Track Section */
.flex-scroll-area {
    position: relative;
    background-size: cover;
    background-position: center;
}

.scroll-overlay-bg {
    position: absolute;
    inset: 0;
    background: var(--muscle-dark);
    opacity: 0.9;
}

.scroll-content-wrap {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.flex-scroll-track {
    display: flex;
    gap: 2rem;
    padding-bottom: 2rem;
}

.flex-item-box {
    background: var(--joint-surface);
    padding: 2.5rem;
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.item-icon-blob {
    width: 60px;
    height: 60px;
    background: var(--bone-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cartilage-accent);
}

.item-icon-blob svg {
    width: 28px;
    height: 28px;
}

.panel-item-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--muscle-dark);
}

.panel-item-desc {
    color: var(--joint-text-muted);
}

@media (max-width: 900px) {
    .flex-scroll-track {
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 1rem;
    }
    .flex-item-box {
        scroll-snap-align: start;
        flex: 0 0 85%;
    }
}

/* Features Grid */
.muscle-feat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.muscle-feat-card {
    background: var(--joint-surface);
    padding: 2.5rem;
    transition: 0.4s ease;
    border: 1px solid var(--joint-border-soft);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feat-gradient-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--mobility-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: 0.4s ease;
}

.feat-gradient-icon svg {
    width: 24px;
    height: 24px;
}

.feat-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--muscle-dark);
}

.feat-text {
    color: var(--joint-text-muted);
    font-size: 0.95rem;
}

.muscle-feat-card:hover {
    background: var(--mobility-gradient);
    color: #ffffff;
    transform: translateY(-5px);
}

.muscle-feat-card:hover .feat-title,
.muscle-feat-card:hover .feat-text {
    color: #ffffff;
}

.muscle-feat-card:hover .feat-gradient-icon {
    background: #ffffff;
    color: var(--cartilage-accent);
}

/* Process Bar */
.posture-step-bar {
    display: flex;
    position: relative;
    justify-content: space-between;
    margin-top: 2rem;
}

.step-line-connector {
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--cartilage-accent);
    z-index: 1;
}

.posture-step-item {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 1rem;
}

.step-circle-num {
    width: 60px;
    height: 60px;
    background: var(--joint-surface);
    border: 2px solid var(--cartilage-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cartilage-accent);
    margin-bottom: 1.5rem;
}

.step-item-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--muscle-dark);
    margin-bottom: 0.5rem;
}

.step-item-desc {
    color: var(--joint-text-muted);
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .posture-step-bar {
        flex-direction: column;
        gap: 3rem;
    }
    .step-line-connector {
        top: 0;
        bottom: 0;
        left: 50%;
        width: 2px;
        height: 100%;
        margin-left: -1px;
    }
}

/* CTA Strip */
.wellness-cta-strip {
    background: var(--mobility-gradient);
    color: #ffffff;
}

.cta-inner-box {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.cta-main-text {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    flex: 1;
    min-width: 300px;
}

/* Expert Page Specifics */
.expert-hero-sec {
    position: relative;
    padding: 10dvh 2rem;
    background-size: cover;
    background-position: center;
    color: #fff;
}

.expert-bio-wrap {
    display: flex;
    background: var(--joint-surface);
    overflow: hidden;
}

.bio-img-part {
    flex: 0 0 40%;
    background-size: cover;
    background-position: center;
    min-height: 400px;
}

.bio-text-part {
    flex: 1;
    padding: 4rem;
}

.bio-list {
    list-style: none;
    margin-top: 1.5rem;
}

.bio-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--muscle-dark);
    font-weight: 500;
}

.bio-list svg {
    width: 20px;
    height: 20px;
    color: var(--cartilage-accent);
}

.expert-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-solid-card {
    background: var(--joint-surface);
    padding: 3rem 2rem;
    text-align: center;
}

.stat-solid-card .stat-number-val {
    color: var(--cartilage-accent);
    margin-bottom: 0.5rem;
}

@media (max-width: 900px) {
    .expert-bio-wrap {
        flex-direction: column;
    }
    .bio-text-part {
        padding: 2rem;
    }
}

/* Reserve Page Specifics */
.reserve-2col-wrap {
    display: flex;
    gap: 4rem;
    flex-wrap: wrap;
}

.reserve-info-col {
    flex: 1;
    min-width: 320px;
}

.sticky-info-block {
    position: sticky;
    top: 100px;
}

.info-insight-card {
    background: var(--joint-surface);
    padding: 2.5rem;
    margin-top: 2rem;
}

.insight-icon {
    width: 48px;
    height: 48px;
    color: var(--cartilage-accent);
    margin-bottom: 1rem;
}

.insight-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--muscle-dark);
}

.insight-desc {
    color: var(--joint-text-muted);
    margin-bottom: 1.5rem;
}

.insight-bullet-list {
    list-style: none;
}

.insight-bullet-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.insight-bullet-list span {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--mobility-gradient);
    color: #fff;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: bold;
}

.reserve-form-col {
    flex: 1;
    min-width: 320px;
}

.form-wrapper-box {
    background: var(--joint-surface);
    padding: 3rem;
}

.form-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--muscle-dark);
}

.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--muscle-dark);
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group textarea {
    padding: 1rem;
    border: 1px solid var(--joint-border-soft);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--bone-light);
    outline: none;
    transition: 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--cartilage-accent);
}

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-group input {
    margin-top: 0.25rem;
}

.checkbox-group label {
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--joint-text-muted);
    margin: 0;
}

.checkbox-group a {
    color: var(--cartilage-accent);
    text-decoration: underline;
}

.submit-btn {
    width: 100%;
}

.reserve-faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--joint-surface);
    padding: 1.5rem;
}

.faq-question {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--muscle-dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--cartilage-accent);
}

.faq-item[open] .faq-question::after {
    content: '-';
}

.faq-answer {
    margin-top: 1rem;
    color: var(--joint-text-muted);
    line-height: 1.6;
}

/* Plain Text Pages */
.plain-text-page {
    padding: 10dvh 0;
    background: var(--joint-surface);
    min-height: 80vh;
}
.plain-text-page .joint-wrap-box {
    max-width: 800px;
}

/* Footer */
.joint-footer-wrap {
    background: var(--muscle-dark);
    color: #ffffff;
    padding: 4rem 2rem 2rem;
}

.footer-inner-box {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
}

.footer-brand svg {
    width: 32px;
    height: 32px;
}

.footer-links-row {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links-row a {
    opacity: 0.8;
    transition: 0.3s;
}

.footer-links-row a:hover {
    opacity: 1;
    color: var(--cartilage-accent);
}

.footer-disclaimer {
    max-width: 700px;
    font-size: 0.85rem;
    opacity: 0.6;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
}

.footer-copyright {
    font-size: 0.85rem;
    opacity: 0.5;
}

/* Cookie Banner */
.cookie-notice-pane {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--joint-surface);
    box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
    z-index: 9999;
    padding: 1.5rem 2rem;
    display: none;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.cookie-text-bl {
    flex: 1;
    min-width: 300px;
    font-size: 0.95rem;
    color: var(--muscle-dark);
}

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

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-display);
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: 0.3s;
}

.approve-btn {
    background: var(--cartilage-accent);
    color: #fff;
}

.approve-btn:hover {
    background: var(--muscle-dark);
}

.reject-btn {
    background: var(--bone-light);
    color: var(--joint-text-muted);
}

.reject-btn:hover {
    background: #e2e8f0;
}

@media (max-width: 768px) {
    .form-wrapper-box {
        padding: 2rem;
    }
}