/* Pralia - Institutional Knowledge Portal Styles */

/* Base Styles & Typography */
:root {
    --sky-blue-gray: #B0C4DE;
    --warm-beige: #F5DEB3;
    --deep-dark-green: #2F4F4F;
    --muted-orange: #D2B48C;
    --white: #FFFFFF;
    --dark-gray: #333333;
    --light-gray: #f8f9fa; /* For subtle backgrounds */
    --font-geometric: 'Montserrat', sans-serif; /* Example geometric font */
    --font-humanistic: 'Merriweather', serif; /* Example humanistic font */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 32px;
    --spacing-lg: 64px;
    --spacing-xl: 96px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-humanistic);
    color: var(--dark-gray);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--light-gray); /* Subtle background for overall page */
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-geometric);
    color: var(--deep-dark-green);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.8rem; /* Mobile-first base */
    line-height: 1.2;
    font-weight: 700;
}

h2 {
    font-size: 2.2rem;
    line-height: 1.3;
    font-weight: 600;
}

h3 {
    font-size: 1.6rem;
    line-height: 1.4;
    font-weight: 500;
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--muted-orange);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--deep-dark-green);
}

/* Container & Layout */
.container {
    max-width: 100%; /* Mobile-first */
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
    margin: 0 auto;
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px; /* Bootstrap default */
    }
}

.container-lg-custom { /* Custom wide container for main content */
    max-width: 100%;
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
    margin: 0 auto;
}

@media (min-width: 992px) {
    .container-lg-custom {
        max-width: 1280px; /* As requested: 1280px overall width */
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
}

.section-spacing {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.section-spacing-xl {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

/* Header */
.main-header {
    background-color: var(--deep-dark-green);
    padding: var(--spacing-sm) var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: 1030;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.main-header .navbar-brand {
    font-family: var(--font-geometric);
    font-weight: 700;
    color: var(--white);
    font-size: 1.8rem;
    padding: 0;
}

.main-header .navbar-brand:hover {
    color: var(--muted-orange);
}

.main-header .navbar-toggler {
    border-color: rgba(255,255,255,0.1);
}

.main-header .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.main-header .navbar-nav .nav-link {
    color: var(--white);
    font-family: var(--font-geometric);
    font-weight: 400;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: color 0.3s ease, background-color 0.3s ease;
}

.main-header .navbar-nav .nav-link:hover,
.main-header .navbar-nav .nav-link.active {
    color: var(--muted-orange);
    background-color: rgba(255,255,255,0.05);
    border-radius: 4px;
}

/* Footer */
.main-footer {
    background-color: var(--deep-dark-green);
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-md);
    font-size: 0.9rem;
    margin-top: var(--spacing-xl);
}

.main-footer h3 {
    color: var(--muted-orange);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
}

.main-footer a {
    color: var(--sky-blue-gray);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.main-footer a:hover {
    color: var(--muted-orange);
}

.footer-disclaimer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
    color: var(--sky-blue-gray);
}

/* Buttons */
.btn-pralia {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--muted-orange);
    color: var(--white);
    border: 1px solid var(--muted-orange);
    border-radius: 4px;
    font-family: var(--font-geometric);
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-pralia:hover {
    background-color: var(--deep-dark-green);
    border-color: var(--deep-dark-green);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn-pralia-outline {
    background-color: transparent;
    color: var(--muted-orange);
    border: 1px solid var(--muted-orange);
}

.btn-pralia-outline:hover {
    background-color: var(--muted-orange);
    color: var(--white);
}

/* Cards */
.card-pralia {
    background-color: var(--white);
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-sm);
}

.card-pralia:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    transform: translateY(-5px);
}

.card-pralia .card-body {
    padding: var(--spacing-sm);
}

.card-pralia .card-title {
    color: var(--deep-dark-green);
    font-family: var(--font-geometric);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

.card-pralia .card-text {
    font-size: 0.95rem;
    color: var(--dark-gray);
}

/* Images */
.img-fluid-pralia {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: cover; /* Ensures images fill their space nicely */
}

/* Specific Sections Styling */

/* Hero Block */
.hero-block {
    position: relative;
    color: var(--white);
    text-align: center;
    overflow: hidden;
    padding: var(--spacing-xl) var(--spacing-sm); /* Mobile padding */
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(47, 79, 79, 0.6); /* Deep Dark Green overlay */
    z-index: 1;
}

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

.hero-block .hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-block h1 {
    color: var(--white);
    font-size: 2.5rem; /* Mobile */
    margin-bottom: var(--spacing-sm);
}

.hero-block h3 {
    color: var(--sky-blue-gray);
    font-size: 1.2rem; /* Mobile */
    font-weight: 300;
}

@media (min-width: 768px) {
    .hero-block {
        min-height: 550px;
        padding: var(--spacing-xl) var(--spacing-md);
    }
    .hero-block h1 {
        font-size: 3.8rem;
    }
    .hero-block h3 {
        font-size: 1.6rem;
    }
}

/* Section 1: Research Areas */
.research-area-icon {
    font-size: 3rem;
    color: var(--muted-orange);
    margin-bottom: var(--spacing-xs);
    display: block;
    text-align: center;
}

/* Section 2: Fundamental Principles */
.principles-section {
    background-color: var(--white);
}

.principles-list ul {
    list-style: none;
    padding: 0;
}

.principles-list li {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
}

.principles-list li::before {
    content: '•'; /* Bullet point */
    color: var(--muted-orange);
    position: absolute;
    left: 0;
    font-size: 1.5rem;
    line-height: 1;
}

/* Section 3: Daily Rituals */
.daily-rituals-section .text-block {
    padding: var(--spacing-sm);
}

/* Section 4: Historical Aspects (Timeline) */
.timeline-section {
    background-color: var(--warm-beige);
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.timeline {
    position: relative;
    padding: var(--spacing-md) 0;
    list-style: none;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--deep-dark-green);
    transform: translateX(-50%);
}

.timeline-item {
    margin-bottom: var(--spacing-lg);
    position: relative;
    width: 50%;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 15px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--muted-orange);
    border: 2px solid var(--deep-dark-green);
    z-index: 1;
}

.timeline-item:nth-child(odd)::before {
    right: -5px;
}

.timeline-item:nth-child(even)::before {
    left: -5px;
}

.timeline-item-content {
    background-color: var(--white);
    padding: var(--spacing-sm);
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.timeline-item-content h3 {
    color: var(--deep-dark-green);
    font-size: 1.2rem;
    margin-top: 0;
}

@media (max-width: 767.98px) {
    .timeline::before {
        left: 15px;
        transform: translateX(0);
    }
    .timeline-item {
        width: 100%;
        padding-left: var(--spacing-xl);
        padding-right: var(--spacing-sm);
        left: 0 !important;
        text-align: left !important;
    }
    .timeline-item::before {
        left: 10px !important;
        right: auto !important;
    }
}


/* Section 5: Glossary Rail */
.glossary-section {
    background-color: var(--sky-blue-gray);
    color: var(--deep-dark-green);
}

.glossary-main-content {
    padding-right: var(--spacing-md);
}

.glossary-rail {
    background-color: rgba(255,255,255,0.8);
    padding: var(--spacing-sm);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.glossary-rail h3 {
    color: var(--deep-dark-green);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.glossary-rail ul {
    list-style: none;
    padding: 0;
}

.glossary-rail li {
    margin-bottom: var(--spacing-xs);
}

.glossary-rail li a {
    color: var(--deep-dark-green);
    font-family: var(--font-geometric);
    font-weight: 500;
}

.glossary-rail li a:hover {
    color: var(--muted-orange);
}

/* Section 6: FAQ */
.faq-section {
    background-color: var(--white);
}

.accordion-item {
    border: 1px solid var(--sky-blue-gray);
    margin-bottom: var(--spacing-sm);
    border-radius: 8px;
    overflow: hidden;
}

.accordion-header {
    background-color: var(--light-gray);
    padding: var(--spacing-sm);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-geometric);
    color: var(--deep-dark-green);
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.accordion-header:hover {
    background-color: var(--sky-blue-gray);
}

.accordion-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.accordion-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    padding: var(--spacing-sm);
    display: none;
    background-color: var(--white);
    border-top: 1px solid var(--sky-blue-gray);
}

/* Section 7: Final CTA */
.final-cta-section {
    background-color: var(--sky-blue-gray);
    text-align: center;
    color: var(--deep-dark-green);
}

.final-cta-section h2 {
    color: var(--deep-dark-green);
    margin-bottom: var(--spacing-sm);
}

/* Policy Pages Layout */
.policy-page-content {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.policy-block {
    background-color: var(--light-gray);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--muted-orange);
    border-radius: 4px;
}

.policy-glossary {
    background-color: var(--sky-blue-gray);
    padding: var(--spacing-sm);
    border-radius: 8px;
    margin-top: var(--spacing-md);
}

.policy-glossary h3 {
    color: var(--deep-dark-green);
    margin-top: 0;
}

.policy-glossary dt {
    font-weight: 600;
    color: var(--deep-dark-green);
}

.policy-glossary dd {
    margin-bottom: var(--spacing-xs);
}

/* Terms of Service Specific */
.terms-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    background-color: var(--light-gray);
    border-radius: 8px;
    padding: var(--spacing-sm);
}

.terms-nav li {
    margin-bottom: var(--spacing-xs);
}

.terms-nav a {
    color: var(--deep-dark-green);
    font-family: var(--font-geometric);
    font-weight: 500;
    display: block;
    padding: 4px 8px;
    border-radius: 4px;
}

.terms-nav a:hover, .terms-nav a.active {
    background-color: var(--sky-blue-gray);
    color: var(--deep-dark-green);
}

.quote-block {
    background-color: var(--warm-beige);
    padding: var(--spacing-sm);
    border-left: 4px solid var(--muted-orange);
    margin-bottom: var(--spacing-md);
    font-style: italic;
    color: var(--deep-dark-green);
    border-radius: 4px;
}

.legal-structure-diagram {
    background-color: var(--sky-blue-gray);
    padding: var(--spacing-sm);
    border-radius: 8px;
    text-align: center;
    margin-top: var(--spacing-md);
}

/* Cookie Policy Specific */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-sm);
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-radius: 8px;
    overflow: hidden;
}

.data-table th, .data-table td {
    border: 1px solid var(--sky-blue-gray);
    padding: var(--spacing-xs);
    text-align: left;
}

.data-table th {
    background-color: var(--deep-dark-green);
    color: var(--white);
    font-family: var(--font-geometric);
    font-weight: 500;
}

.cookie-icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    background-size: contain;
    background-repeat: no-repeat;
    vertical-align: middle;
    margin-right: 8px;
}

/* Placeholder icons for cookie policy - replace with actual SVG or image if needed */
.icon-essential { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232F4F4F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 11.08V12a10 10 0 1 1-5.93-8.83'%3E%3C/path%3E%3Cpolyline points='22 4 12 14.01 9 11.01'%3E%3C/polyline%3E%3C/svg%3E"); }
.icon-analytics { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232F4F4F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 20v-6M6 20v-2M18 20v-4M3 9a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2Z'%3E%3C/path%3E%3Cpath d='M12 11V4'%3E%3C/path%3E%3C/svg%3E"); }
.icon-preferences { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232F4F4F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20z'%3E%3C/path%3E%3Cpath d='M12 16v-4m0-4h.01'%3E%3C/path%3E%3C/svg%3E"); }


/* Health Disclaimer Specific */
.disclaimer-highlight {
    background-color: var(--warm-beige);
    color: var(--deep-dark-green);
    padding: var(--spacing-md);
    border-left: 5px solid var(--muted-orange);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

.warning-panel {
    background-color: var(--sky-blue-gray);
    padding: var(--spacing-sm);
    border-radius: 8px;
    margin-top: var(--spacing-md);
    color: var(--deep-dark-green);
    font-weight: 500;
}

/* About Page Specific */
.mission-statement-panel {
    background-color: var(--sky-blue-gray);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-md);
    color: var(--deep-dark-green);
}

.about-quote {
    background-color: var(--warm-beige);
    padding: var(--spacing-sm);
    border-left: 4px solid var(--muted-orange);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--deep-dark-green);
    border-radius: 4px;
}

/* Contact Page Specific */
.disclaimer-box-contact {
    background-color: var(--warm-beige);
    padding: var(--spacing-md);
    border-left: 5px solid var(--muted-orange);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
    color: var(--deep-dark-green);
}

/* Blog Page Specific */
.category-filter-rail {
    background-color: var(--sky-blue-gray);
    padding: var(--spacing-sm);
    border-radius: 8px;
    margin-top: var(--spacing-md);
}

.category-filter-rail h3 {
    color: var(--deep-dark-green);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.category-filter-rail ul {
    list-style: none;
    padding: 0;
}

.category-filter-rail li {
    margin-bottom: var(--spacing-xs);
}

.category-filter-rail li a {
    color: var(--deep-dark-green);
    font-family: var(--font-geometric);
    font-weight: 500;
    display: block;
    padding: 4px 8px;
    border-radius: 4px;
}

.category-filter-rail li a:hover, .category-filter-rail li a.active {
    background-color: var(--white);
    color: var(--muted-orange);
}

/* Blog Article Pages Specific */
.key-takeaway-box {
    background-color: var(--muted-orange);
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.methodology-flowchart {
    background-color: var(--sky-blue-gray);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--deep-dark-green);
}

.historical-context-panel {
    background-color: var(--warm-beige);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--deep-dark-green);
}

.fact-strip {
    background-color: var(--sky-blue-gray);
    color: var(--deep-dark-green);
    padding: var(--spacing-xs) var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-radius: 4px;
    font-family: var(--font-geometric);
    font-weight: 500;
}

.sleep-cycle-diagram {
    background-color: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--deep-dark-green);
}

.nutrient-glossary {
    background-color: var(--warm-beige);
    padding: var(--spacing-sm);
    border-radius: 8px;
    margin-top: var(--spacing-md);
}

.nutrient-glossary h4 {
    color: var(--deep-dark-green);
    margin-top: 0;
    margin-bottom: var(--spacing-xs);
}

.nutrient-glossary dl {
    margin-bottom: 0;
}

.nutrient-glossary dt {
    font-weight: 600;
    color: var(--deep-dark-green);
}

.nutrient-glossary dd {
    margin-bottom: var(--spacing-xs);
}

.activity-matrix {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-sm);
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-radius: 8px;
    overflow: hidden;
}

.activity-matrix th, .activity-matrix td {
    border: 1px solid var(--sky-blue-gray);
    padding: var(--spacing-xs);
    text-align: left;
}

.activity-matrix th {
    background-color: var(--deep-dark-green);
    color: var(--white);
    font-family: var(--font-geometric);
    font-weight: 500;
}

/* Cookie Consent Banner */
#cookieConsentBanner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(47, 79, 79, 0.95); /* Deep Dark Green with transparency */
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
    z-index: 1040;
    display: none; /* Hidden by default */
    font-size: 0.9rem;
}

#cookieConsentBanner p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

#cookieConsentBanner .cookie-buttons button {
    background-color: var(--muted-orange);
    color: var(--white);
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-geometric);
    font-weight: 500;
    margin: 0 5px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

#cookieConsentBanner .cookie-buttons button:hover {
    background-color: #bb8d64; /* Slightly darker muted orange */
    transform: translateY(-1px);
}

#cookieConsentBanner .cookie-buttons a {
    color: var(--sky-blue-gray);
    margin-left: var(--spacing-sm);
    text-decoration: underline;
}

#cookieConsentBanner .cookie-buttons a:hover {
    color: var(--muted-orange);
}

/* Responsive utilities */
@media (max-width: 575.98px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }
    .hero-block h1 { font-size: 2rem; }
    .hero-block h3 { font-size: 1rem; }
    .main-footer { text-align: center; }
    .main-footer h3 { margin-top: var(--spacing-md); }
    .main-footer .col-md-3 { margin-bottom: var(--spacing-md); }
    .cookie-buttons button, .cookie-buttons a { display: block; width: 100%; margin: 5px 0; }
}

@media (min-width: 768px) {
    .text-right-md { text-align: right; }
    .text-left-md { text-align: left; }
}