@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Lora:ital,wght@0,400;0,600;1,400&display=swap');

:root {
    --osteo-base: #0a0d13;
    --osteo-surface: #141a24;
    --osteo-surface-elevated: #1e2532;
    --osteo-glass: rgba(20, 26, 36, 0.6);
    --osteo-glass-border: rgba(255, 255, 255, 0.08);
    --osteo-flexibility: #00e5ff;
    --osteo-flexibility-dim: rgba(0, 229, 255, 0.15);
    --osteo-flexibility-glow: rgba(0, 229, 255, 0.5);
    --osteo-text-main: #f8fafc;
    --osteo-text-dim: #94a3b8;
    
    --font-heading-osteo: 'Lora', serif;
    --font-body-osteo: 'Inter', sans-serif;
    
    --pad-scale-osteo: 10dvh;
    --rad-soft-osteo: 16px;
    --bounds-max-osteo: 1200px;
}

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

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

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

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

/* Typography Custom */
.heading-primary-osteo {
    font-family: var(--font-heading-osteo);
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--osteo-text-main);
}

.heading-secondary-osteo {
    font-family: var(--font-heading-osteo);
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.heading-tertiary-osteo {
    font-family: var(--font-heading-osteo);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--osteo-text-main);
}

.paragraph-lead-osteo {
    font-size: 1.125rem;
    color: var(--osteo-text-dim);
    margin-bottom: 2rem;
}

/* Layout Custom */
.skeletal-bounds {
    max-width: var(--bounds-max-osteo);
    margin: 0 auto;
    padding: 0 5vw;
}

/* Header & Nav */
.joint-top-bar {
    position: sticky;
    top: 0;
    width: 100%;
    background: rgba(10, 13, 19, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--osteo-glass-border);
}

.joint-top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5vw;
    max-width: var(--bounds-max-osteo);
    margin: 0 auto;
}

.brand-mark-osteo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading-osteo);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.brand-mark-osteo svg {
    width: 32px;
    height: 32px;
    fill: var(--osteo-flexibility);
    filter: drop-shadow(0 0 8px var(--osteo-flexibility-glow));
}

.navigation-links-osteo {
    display: flex;
    gap: 2rem;
}

.navigation-links-osteo a {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.navigation-links-osteo a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--osteo-flexibility);
    transition: width 0.3s ease;
}

.navigation-links-osteo a:hover::after {
    width: 100%;
}

.nav-toggle-input, .nav-toggle-label {
    display: none;
}

/* Buttons */
.action-trigger-joint {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    background: var(--osteo-flexibility);
    color: var(--osteo-base);
    font-weight: 600;
    border-radius: var(--rad-soft-osteo);
    box-shadow: 0 4px 15px var(--osteo-flexibility-dim);
    border: 1px solid transparent;
}

.action-trigger-joint:hover {
    background: transparent;
    color: var(--osteo-flexibility);
    border-color: var(--osteo-flexibility);
    box-shadow: 0 0 20px var(--osteo-flexibility-glow);
}

.action-trigger-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--osteo-flexibility);
    font-weight: 600;
    border-radius: var(--rad-soft-osteo);
    border: 2px solid var(--osteo-flexibility);
}

.action-trigger-ghost:hover {
    background: var(--osteo-flexibility-dim);
    box-shadow: 0 0 20px var(--osteo-flexibility-dim);
}

/* Index - Immersive Hero */
.mobility-intro-wrap {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.mobility-intro-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.mobility-intro-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--osteo-overlay);
    z-index: 2;
}

.intro-glass-panel {
    position: relative;
    z-index: 3;
    background: var(--osteo-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--osteo-glass-border);
    padding: 3rem;
    border-radius: var(--rad-soft-osteo);
    width: 60%;
    margin-left: 5vw;
}

/* Index - Split Content */
.health-segment-split {
    display: flex;
    min-height: 80vh;
    background: var(--osteo-surface);
}

.split-visual-wrap {
    width: 50%;
    position: relative;
}

.split-visual-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.split-text-wrap {
    width: 50%;
    padding: var(--pad-scale-osteo) 5vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.point-list-osteo {
    list-style: none;
    margin-top: 2rem;
}

.point-list-osteo li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: var(--osteo-text-dim);
}

.point-list-osteo li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--osteo-flexibility);
    box-shadow: 0 0 8px var(--osteo-flexibility-glow);
}

/* Index - Glass Features */
.core-pillars-wrap {
    padding: var(--pad-scale-osteo) 0;
    background: var(--osteo-base);
    position: relative;
}

.pillars-grid-osteo {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

.pillar-glass-item {
    flex: 1;
    background: var(--osteo-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--osteo-glass-border);
    border-top: 3px solid var(--osteo-flexibility-dim);
    padding: 2.5rem 2rem;
    border-radius: var(--rad-soft-osteo);
    transition: all 0.4s ease;
}

.pillar-glass-item:hover {
    border-top-color: var(--osteo-flexibility);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.pillar-glass-item svg {
    width: 32px;
    height: 32px;
    fill: var(--osteo-flexibility);
    margin-bottom: 1.5rem;
}

/* Index - Workflow Vertical */
.workflow-path-wrap {
    padding: var(--pad-scale-osteo) 0;
    background: var(--osteo-surface);
}

.path-spine-osteo {
    position: relative;
    padding-left: 40px;
    margin-top: 3rem;
}

.path-spine-osteo::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--osteo-flexibility);
    box-shadow: 0 0 10px var(--osteo-flexibility-glow);
}

.path-node-osteo {
    position: relative;
    margin-bottom: 4rem;
}

.path-node-osteo:last-child {
    margin-bottom: 0;
}

.node-marker-osteo {
    position: absolute;
    left: -40px;
    top: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--osteo-base);
    border: 3px solid var(--osteo-flexibility);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--osteo-flexibility);
    box-shadow: 0 0 15px var(--osteo-flexibility-dim);
    z-index: 2;
}

.node-content-osteo {
    background: var(--osteo-surface-elevated);
    padding: 2rem;
    border-radius: var(--rad-soft-osteo);
    border: 1px solid var(--osteo-glass-border);
}

/* Index - Ghost CTA */
.final-push-wrap {
    padding: var(--pad-scale-osteo) 0;
    background: var(--osteo-base);
    text-align: center;
    border-top: 1px solid var(--osteo-glass-border);
}

/* Expert - Accordion */
.expert-bio-wrap {
    padding: calc(var(--pad-scale-osteo) * 1.5) 0 var(--pad-scale-osteo);
    background: var(--osteo-surface);
}

.knowledge-fold-osteo {
    margin-top: 3rem;
}

.fold-item-osteo {
    background: var(--osteo-base);
    border: 1px solid var(--osteo-glass-border);
    margin-bottom: 1rem;
    padding: 1.5rem;
    border-radius: var(--rad-soft-osteo);
    position: relative;
    padding-left: 4rem;
}

.fold-item-osteo::before {
    content: attr(data-index);
    position: absolute;
    left: 1.5rem;
    top: 1.5rem;
    font-family: var(--font-heading-osteo);
    font-size: 1.5rem;
    color: var(--osteo-flexibility);
    opacity: 0.5;
}

/* Expert - Full Image Strip */
.visual-break-wrap {
    position: relative;
    padding: var(--pad-scale-osteo) 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.visual-break-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.visual-break-text {
    position: relative;
    z-index: 3;
    max-width: 600px;
    background: var(--osteo-glass);
    padding: 3rem;
    backdrop-filter: blur(10px);
    border-radius: var(--rad-soft-osteo);
    border: 1px solid var(--osteo-glass-border);
}

/* Stats Row */
.metrics-row-osteo {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    padding: var(--pad-scale-osteo) 0;
    background: var(--osteo-base);
}

.metric-item-osteo {
    text-align: center;
    flex: 1;
}

.metric-value-osteo {
    font-family: var(--font-heading-osteo);
    font-size: 3.5rem;
    color: var(--osteo-flexibility);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px var(--osteo-flexibility-dim);
}

/* Reserve - Form inside Dark Hero */
.reserve-intro-wrap {
    min-height: 100vh;
    padding: calc(var(--pad-scale-osteo) * 1.5) 0;
    display: flex;
    align-items: center;
    background: var(--osteo-base);
    position: relative;
}

.booking-module-osteo {
    background: var(--osteo-surface-elevated);
    padding: 3rem;
    border-radius: var(--rad-soft-osteo);
    border: 1px solid var(--osteo-glass-border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 5;
}

.input-field-osteo {
    width: 100%;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--osteo-base);
    border: 1px solid var(--osteo-glass-border);
    border-radius: 8px;
    color: var(--osteo-text-main);
    font-family: var(--font-body-osteo);
    transition: all 0.3s ease;
}

.input-field-osteo:focus {
    outline: none;
    border-color: var(--osteo-flexibility);
    box-shadow: 0 0 10px var(--osteo-flexibility-dim);
}

.consent-wrap-osteo {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 2rem;
    font-size: 0.85rem;
    color: var(--osteo-text-dim);
}

/* Reserve Info Cards */
.info-cards-row {
    display: flex;
    gap: 2rem;
    margin-bottom: 4rem;
}

.info-card-osteo {
    flex: 1;
    background: var(--osteo-surface);
    padding: 2rem;
    border-radius: var(--rad-soft-osteo);
    border-top: 2px solid var(--osteo-flexibility-dim);
}

/* FAQ Simple */
.faq-wrap-osteo {
    padding: var(--pad-scale-osteo) 0;
    background: var(--osteo-surface);
}

.faq-item-osteo {
    margin-bottom: 1.5rem;
    background: var(--osteo-base);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--osteo-flexibility-dim);
}

/* Footer */
.joint-bottom-bar {
    background: #05070a;
    padding: 4rem 5vw 2rem;
    border-top: 1px solid var(--osteo-glass-border);
    text-align: center;
}

.footer-links-osteo {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.footer-links-osteo a {
    color: var(--osteo-text-dim);
    font-size: 0.9rem;
}

.footer-links-osteo a:hover {
    color: var(--osteo-flexibility);
}

.disclaimer-text-osteo {
    font-size: 0.8rem;
    color: #475569;
    margin-bottom: 1rem;
    font-style: italic;
}

.copyright-osteo {
    font-size: 0.85rem;
    color: #64748b;
}

/* Cookie Banner */
.consent-banner-osteo {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--osteo-surface-elevated);
    padding: 1.5rem;
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--osteo-flexibility-dim);
    box-shadow: 0 -10px 30px rgba(0,0,0,0.5);
}

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

.consent-btn {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

#accept-cookie {
    background: var(--osteo-flexibility);
    color: var(--osteo-base);
}

#decline-cookie {
    background: transparent;
    color: var(--osteo-text-dim);
    border: 1px solid var(--osteo-text-dim);
}

/* Utility / Policy pages */
.legal-content-wrap {
    padding: calc(var(--pad-scale-osteo) * 1.5) 0 var(--pad-scale-osteo);
    background: var(--osteo-base);
    min-height: 100vh;
}

.legal-content-wrap h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--osteo-text-main);
}

.legal-content-wrap p {
    margin-bottom: 1.5rem;
    color: var(--osteo-text-dim);
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
    .intro-glass-panel {
        width: 90%;
        padding: 2rem;
    }
    
    .health-segment-split {
        flex-direction: column;
    }
    
    .split-visual-wrap, .split-text-wrap {
        width: 100%;
    }
    
    .split-visual-wrap {
        height: 40vh;
    }
    
    .pillars-grid-osteo, .metrics-row-osteo, .info-cards-row {
        flex-direction: column;
    }
    
    .consent-banner-osteo {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    /* Hamburger Menu CSS-only */
    .nav-toggle-label {
        display: flex;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        z-index: 1001;
    }
    
    .hamburger-line {
        width: 25px;
        height: 2px;
        background: var(--osteo-flexibility);
        transition: 0.3s;
    }
    
    .navigation-links-osteo {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70vw;
        height: 100vh;
        background: var(--osteo-surface-elevated);
        flex-direction: column;
        padding: 6rem 2rem;
        transition: right 0.3s ease;
        border-left: 1px solid var(--osteo-glass-border);
    }
    
    .nav-toggle-input:checked ~ .navigation-links-osteo {
        right: 0;
    }
    
    .nav-toggle-input:checked ~ .nav-toggle-label .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle-input:checked ~ .nav-toggle-label .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle-input:checked ~ .nav-toggle-label .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}