:root {
    --bg-paper: #F2EBE3;
    --bg-white: #FFFFFF;
    --text-primary: #2A2A2A;
    --text-secondary: #6B6B6B;
    --accent-sand: #D4C2AD;
    --accent-sage: #8D9466;

    --font-serif: "Literata", serif;
    --font-sans: "Inter", sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
    --spacing-xl: 6rem;

    --transition-slow: 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
}

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

body.loading {
    overflow: hidden;
}


/* Splash Loader Styling */
#logo-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-paper);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: background 1.2s ease;
}

.logo-wrapper {
    position: relative;
    width: 120px;
    height: 120px;
    opacity: 0;
    transform: scale(0.9);
}

.logo-wrapper.reveal {
    opacity: 1;
    transform: scale(1);
    transition: opacity 1.5s ease, transform 1.5s ease;
}

/* Navigation Styling */
#main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    z-index: 500;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

#main-nav.reveal-content {
    opacity: 1;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo img {
    height: 120px;
    width: 120px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-sage);
    font-weight: 700;
    border-bottom: 2px solid var(--text-primary);
    padding-bottom: 2px;
}

/* --- Mobile Menu Toggle Styling --- */
.nav-toggle {
    display: none;
    /* Hide checkbox */
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    padding: 1rem;
    position: relative;
    z-index: 1001;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    display: block;
    background: var(--text-primary);
    height: 2px;
    width: 25px;
    border-radius: 2px;
    position: relative;
    transition: all 0.3s ease;
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
    content: '';
    position: absolute;
}

.nav-toggle-label span::before {
    top: 7px;
}

.nav-toggle-label span::after {
    top: -7px;
}

/* Hamburger transform when open */
.nav-toggle:checked~.nav-toggle-label span {
    background: transparent;
}

.nav-toggle:checked~.nav-toggle-label span::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle:checked~.nav-toggle-label span::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Section Styling */
.snap-section {
    height: 100vh;
    width: 100%;
    scroll-snap-align: start;
    /* Snap to start for cleaner nav offset */
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 140px;
    /* Offset for the fixed nav bar height */
}

/* Chapter Page Header/Nav Override */
.chapter-nav {
    transform: none !important;
    /* Always visible for sub-sections */
}

/* Hero Section 60/40 Layout */
.hero-container {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    opacity: 0;
    /* Hidden initially for splash */
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.hero-visual {
    flex: 0 0 48%;
    /* 20% increase from 40% */
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-text {
    flex: 0 0 52%;
    /* Decreased from 60% */
    padding-left: var(--spacing-lg);
}

.hero-h1 {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 5.5rem);
    line-height: 1.1;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
}

.hero-subline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.hero-mode {
    font-size: 1.1rem;
    color: var(--accent-sage);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#scroll-down-arrow {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    color: var(--text-primary);
    opacity: 0.6;
}

/* Floating Image Animation */
.floating-svg {
    width: 100%;
    max-width: 600px;
    /* Increased from 500px */
    animation: floatSmooth 4s ease-in-out infinite;
}

/* Full Image Section Style */
.full-image-section {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('https://images.unsplash.com/photo-1544367567-0f2fcb009e0b?auto=format&fit=crop&q=80&w=2000');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--bg-paper);
    /* Using the warm paper color for contrast */
}

.overlay-h2 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 6vw, 4.5rem);
    line-height: 1.1;
    font-weight: 300;
    max-width: 1000px;
    padding: var(--spacing-md);
}

.overlay-content.fade-in {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
    transition: opacity 2.5s cubic-bezier(0.2, 0.8, 0.2, 1), transform 2.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.overlay-content.fade-in.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.fade-in {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
    transition: opacity 2.5s cubic-bezier(0.2, 0.8, 0.2, 1), transform 2.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.chapters-container {
    display: flex;
    width: 100%;
    height: 100%;
    gap: 1px;
    background-color: var(--accent-sand);
}

.chapter-panel {
    flex: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--bg-paper);
    text-decoration: none;
    color: inherit;
    transition: background 0.4s ease;
}

.chapter-panel:hover {
    background-color: var(--bg-white);
}

.chapter-panel.locked {
    opacity: 0.5;
    cursor: default;
    background-color: rgba(0, 0, 0, 0.02);
}

.chapter-panel.locked:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.chapter-nav-icon {
    height: 60px;
    width: 60px;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.chapter-content {
    display: flex;
    flex-direction: column;
}

.chapter-title {
    font-size: 1.5rem;
    margin: var(--spacing-xs) 0;
}

.chapter-essence {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

@keyframes floatSmooth {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-35px);
        /* 30-40px as requested */
    }
}

/* Helper Class for Reveal */
.reveal-content {
    opacity: 1 !important;
    transform: translateY(0) !important;
    transition: opacity 1.5s var(--transition-slow), transform 1.5s var(--transition-slow);
}

#scroll-down-arrow.reveal-content {
    opacity: 0.6 !important;
}

/* Chapter Split Layout (Image-matched) */
.chapter-split {
    display: flex;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    gap: var(--spacing-xl);
    align-items: center;
}

.chapter-left {
    flex: 0 0 40%;
    text-align: center;
    padding-right: var(--spacing-md);
    border-right: 1px solid rgba(0, 0, 0, 0.1);
    /* Vertical Line */
}

.chapter-right {
    flex: 0 0 60%;
    text-align: left;
    padding-left: var(--spacing-md);
}

.chapter-icon-large {
    height: 140px;
    width: 140px;
    margin-bottom: var(--spacing-md);
}

.chapter-h2-side {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.quiet-start-side {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-style: italic;
    color: var(--text-secondary);
    opacity: 0.8;
}

.narrative-stack p {
    font-family: var(--font-sans);
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--text-primary);
    max-width: 800px;
}

.final-statement {
    font-weight: 600;
}

/* Response for smaller screens */
@media (max-width: 1024px) {
    .chapter-split {
        flex-direction: column;
        padding-top: var(--spacing-xl);
    }

    .chapter-left,
    .chapter-right {
        flex: 1 1 100%;
        padding: 0;
        text-align: center;
    }

    .chapter-right {
        margin-top: var(--spacing-lg);
    }

}

/* Progress Bar */
#chapter-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 4px;
    height: 0%;
    background-color: var(--accent-sand);
    z-index: 1000;
}

/* Offerings Section Styles */
.offerings-section {
    background-color: var(--bg-white);
    flex-direction: column;
    padding: 160px var(--spacing-md) var(--spacing-lg) var(--spacing-md);
    height: 100vh !important;
    display: flex;
    justify-content: space-between;
}

.offerings-intro {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.offerings-main-h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 0.5rem;
}

.divider-line {
    width: 60px;
    height: 1px;
    background-color: var(--accent-sand);
    margin: 0 auto;
}

.offerings-split {
    display: flex;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.offering-panel {
    flex: 1;
    background: var(--bg-paper);
    padding: var(--spacing-md) var(--spacing-sm);
    border-radius: 4px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    height: 100%;
}

.panel-header {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.offering-icon {
    height: 80px;
    width: 80px;
    margin-bottom: 0.5rem;
}

.panel-h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 300;
}

.offering-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.offering-card {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding-bottom: 0.4rem;
}

.offering-card h4 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
    font-weight: 500;
}

.offering-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Free Course Highlight */
.free-course {
    position: relative;
    background: rgba(166, 184, 161, 0.15);
    /* Subtle sage highlight */
    padding: var(--spacing-sm);
}

.free-badge {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    background-color: var(--accent-sage);
    color: white;
    padding: 3px 10px;
    margin-bottom: 0.5rem;
    border-radius: 2px;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .chapter-h1 {
        font-size: 3.5rem;
    }

    .chapter-column p {
        font-size: 1.25rem;
    }

    .strong-p {
        font-size: 1.8rem !important;
    }
}

/* Ways of Yogic Life Section */
.ways-section {
    background-color: var(--bg-paper);
    padding: 160px var(--spacing-md) var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.ways-header {
    margin-bottom: var(--spacing-md);
}

.subtitle-serif {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.ways-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.way-item {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    text-align: left;
    border-radius: 4px;
    transition: transform 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.way-item:hover {
    transform: translateY(-5px);
}

.way-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.way-tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-sage);
    margin-bottom: 1rem;
    font-weight: 600;
}

.way-desc {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Science Section Styles */
.science-section {
    background-color: var(--bg-white);
    padding: 160px var(--spacing-md) var(--spacing-lg) var(--spacing-md);
}

.science-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.science-top {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.science-intro-p {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.science-body-p {
    max-width: 750px;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 1.6;
}

.science-balances-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.balance-category {
    padding: var(--spacing-md);
    border-top: 1px solid var(--accent-sand);
}

.balance-visual {
    height: 40px;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
}

/* Abstract CSS Visuals for Science */
.anatomy-dot::before {
    content: '';
    width: 12px;
    height: 12px;
    background: var(--text-primary);
    border-radius: 50%;
    box-shadow: 20px 0 0 rgba(0, 0, 0, 0.1), 40px 0 0 rgba(0, 0, 0, 0.05);
}

.heart-wave::before {
    content: '';
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--text-primary) 0%, transparent 80%);
    position: relative;
}

.brain-pulse::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 1px solid var(--text-primary);
    border-radius: 50%;
    animation: pulseSlow 3s infinite;
}

@keyframes pulseSlow {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.balance-h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.balance-list {
    list-style: none;
}

.balance-list li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1rem;
}

.balance-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    opacity: 0.3;
}

.science-footer {
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: var(--spacing-md);
}

.applied-science-tag {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    line-height: 1.1;
}

.applied-science-tag span {
    font-size: 1.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

/* Contact Section Styles */
.footer-contact {
    background-color: var(--bg-paper);
    text-align: center;
    padding: 160px var(--spacing-md);
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
}

.pre-title-serif {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.contact-mission {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.contact-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4rem;
    margin-top: var(--spacing-lg);
}

.contact-top-row {
    display: flex;
    gap: 120px; /* Large horizontal gap between Mobile and Email */
    justify-content: center;
    align-items: flex-start;
    width: 100%;
}

.contact-method {
    text-align: center;
    flex: 1;
}

.method-label {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-sage);
    margin-bottom: 1rem;
    font-weight: 700;
}

.method-link {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    margin-top: 5px;
}

.contact-addresses {
    width: 100%;
    margin-top: 2rem;
    text-align: center;
}

.addresses-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px; /* Large gap between the 3 addresses */
    margin-top: 1.5rem;
}

.address-item {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.address-item strong {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--accent-sage);
    margin-bottom: 0.8rem;
    display: block;
}

.address-item p {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    opacity: 0.9;
}

.method-label svg {
    opacity: 0.8;
}

.method-link {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a.method-link:hover {
    color: var(--accent-sage);
}

.footer-legal {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

/* --- Resposive Refinements (Mobile First Logic) --- */
@media (max-width: 900px) {

    /* Navigation Refactor */
    .nav-toggle-label {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-paper);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        transition: right 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        gap: 2rem;
    }

    .nav-links a {
        font-size: 1.8rem;
    }

    .nav-toggle:checked~.nav-links {
        right: 0;
    }

    /* Section Global Reset */
    .snap-section {
        height: auto !important;
        min-height: 100vh;
        padding-top: 120px;
        padding-bottom: 60px;
        scroll-snap-align: none;
        /* Disable snapping on mobile if content overflows */
    }

    /* Hero Section Mobile */
    .hero-container {
        flex-direction: column-reverse;
        padding: 0 var(--spacing-md);
    }

    .hero-text,
    .hero-visual {
        flex: 1 1 100%;
        padding: 0;
        width: 100%;
    }

    .hero-h1 {
        font-size: 2.8rem;
    }

    .hero-subline {
        font-size: 1.2rem;
    }

    .floating-svg {
        max-width: 320px;
    }

    /* Chapter Narrative Mobile */
    .chapter-split {
        flex-direction: column;
        gap: 2rem;
    }

    .chapter-left {
        border-right: none;
        padding: 0;
    }

    .chapter-right {
        padding: 0;
        text-align: left;
    }

    .chapter-h2-side {
        font-size: 2rem;
    }

    .chapter-icon-large {
        height: 100px;
        width: 100px;
    }

    .narrative-stack p {
        font-size: 1.1rem;
    }

    /* Offerings Section Mobile */
    .offerings-split {
        flex-direction: column;
        gap: 2rem;
    }

    .offering-panel {
        width: 100%;
        padding: 2rem 1rem;
    }

    .offering-icon {
        height: 60px;
        width: 60px;
    }

    .panel-h3 {
        font-size: 1.6rem;
    }

    .offering-card h4 {
        font-size: 1.2rem;
    }

    /* Science Balance Mobile */
    .science-balances-grid {
        grid-template-columns: 1fr;
    }

    .balance-category {
        border-right: none;
        border-top: 1px solid var(--accent-sand);
    }

    .applied-science-tag span {
        font-size: 1.4rem;
    }

    /* Contact Mobile */
    .contact-links {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .method-link {
        font-size: 1.4rem;
    }

    /* FIX: Navigation & Global Overlap */
    .nav-logo img {
        height: 70px; /* Scaled down from 120px */
    }

    #main-nav {
        padding: var(--spacing-sm) var(--spacing-md);
        background: rgba(242, 235, 227, 0.95); /* Glassmorphism to distinguish from content */
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }

    .ways-section {
        padding-top: 140px; /* Extra room for fixed nav */
    }

    .ways-grid {
        grid-template-columns: 1fr; /* Single column for legibility */
        gap: 1rem;
    }

    .way-item {
        padding: 1.5rem;
    }

    .ways-header h2 {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-h1 {
        font-size: 2.2rem;
    }

    .chapter-icon-large {
        height: 80px;
        width: 80px;
    }
}