/* 
   COLOR PALETTE (Forest):
   Deep Green: #1A3626
   Medium Green: #2D5A40
   Soft Sage: #E9EFEA
   Warm White: #F9F8F6
   Gold Accent: #C5A059
   Text Dark: #222222
   Text Light: #555555
*/

:root {
    --clr-deep-green: #1A3626;
    --clr-med-green: #2D5A40;
    --clr-sage: #E9EFEA;
    --clr-warm-white: #F9F8F6;
    --clr-gold: #C5A059;
    --clr-text-main: #222222;
    --clr-text-mute: #555555;
    
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Lato', sans-serif;
    
    --space-sm: 1.2rem;
    --space-md: 2.4rem;
    --space-lg: 4.8rem;
    --space-xl: 8rem;
}

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

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--clr-text-main);
    background-color: var(--clr-warm-white);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .oi-brand-text {
    font-family: var(--font-serif);
    color: var(--clr-deep-green);
    line-height: 1.2;
}

img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

a {
    color: var(--clr-med-green);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--clr-gold);
}

/* Header */
.oi-top-mast {
    position: sticky;
    top: 0;
    background-color: rgba(249, 248, 246, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(45, 90, 64, 0.1);
}

.oi-mast-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.oi-brand-mark {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.oi-brand-icon {
    background-color: var(--clr-deep-green);
    color: var(--clr-gold);
    font-family: var(--font-serif);
    font-weight: 700;
    padding: 0.8rem;
    border-radius: 4px;
    font-size: 1.4rem;
}

.oi-brand-text {
    font-size: 2.2rem;
    font-weight: 600;
}

.oi-nav-cluster {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.oi-nav-link {
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Buttons */
.oi-btn-primary {
    display: inline-block;
    background-color: var(--clr-deep-green);
    color: var(--clr-warm-white);
    padding: 1.4rem 2.8rem;
    font-family: var(--font-sans);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.oi-btn-primary:hover {
    background-color: var(--clr-med-green);
    color: var(--clr-warm-white);
}

.oi-btn-subtle {
    border: 1px solid var(--clr-deep-green);
    padding: 0.8rem 1.6rem;
    color: var(--clr-deep-green);
}

.oi-full-width {
    width: 100%;
}

/* Hero (Asymmetric Grid) */
.oi-hero-stage {
    padding: var(--space-xl) 2rem;
    background: linear-gradient(to right, var(--clr-sage) 60%, var(--clr-warm-white) 60%);
    overflow: hidden;
}

.oi-hero-layout {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.oi-hero-visual {
    position: relative;
    z-index: 2;
}

.oi-hero-visual img {
    aspect-ratio: 4/5;
    box-shadow: 20px 20px 0 var(--clr-gold);
}

.oi-hero-narrative {
    position: relative;
    z-index: 3;
    background-color: var(--clr-warm-white);
    padding: 5rem 4rem;
    margin-left: -15%; /* Asymmetry offset */
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.oi-micro-badge {
    display: inline-block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--clr-gold);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 2rem;
}

.oi-alpha-heading {
    font-size: clamp(3.5rem, 4vw, 5.2rem);
    margin-bottom: 2.5rem;
}

.oi-lead-text {
    font-size: 1.8rem;
    color: var(--clr-text-mute);
    margin-bottom: 3.5rem;
}

.oi-hero-actions {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.oi-stat-block {
    display: flex;
    flex-direction: column;
    border-left: 2px solid var(--clr-gold);
    padding-left: 1.5rem;
}

.oi-stat-num {
    font-family: var(--font-serif);
    font-size: 2.4rem;
    color: var(--clr-deep-green);
    line-height: 1;
}

.oi-stat-label {
    font-size: 1.2rem;
    color: var(--clr-text-mute);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* About / Legacy */
.oi-deep-lore {
    padding: var(--space-xl) 2rem;
    background-color: var(--clr-warm-white);
}

.oi-lore-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
}

.oi-beta-heading {
    font-size: 3.8rem;
    margin-bottom: 2.5rem;
}

.oi-lore-text-col p {
    margin-bottom: 2rem;
    color: var(--clr-text-mute);
}

.oi-lore-text-col h3 {
    font-size: 2.4rem;
    margin: 4rem 0 1.5rem;
}

.oi-inline-link {
    text-decoration: underline;
    text-decoration-color: var(--clr-gold);
    text-underline-offset: 4px;
}

.oi-lore-visual-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.oi-offset-img-1 {
    aspect-ratio: 3/4;
    border-radius: 2px;
}

.oi-offset-img-2 {
    aspect-ratio: 1/1;
    margin-top: 50%;
    border-radius: 2px;
    box-shadow: -15px 15px 0 var(--clr-sage);
}

/* Practices / Services */
.oi-clinical-practices {
    padding: var(--space-xl) 2rem;
    background-color: var(--clr-deep-green);
    color: var(--clr-warm-white);
}

.oi-clinical-practices .oi-beta-heading {
    color: var(--clr-warm-white);
}

.oi-practices-header {
    max-width: 1200px;
    margin: 0 auto 5rem;
    text-align: center;
}

.oi-sub-heading {
    font-size: 1.8rem;
    color: var(--clr-sage);
}

.oi-practice-cards {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.oi-card-entity {
    background-color: var(--clr-warm-white);
    color: var(--clr-text-main);
    transition: transform 0.3s ease;
}

.oi-card-entity:hover {
    transform: translateY(-10px);
}

.oi-card-entity img {
    aspect-ratio: 16/10;
}

.oi-card-body {
    padding: 3rem;
}

.oi-gamma-heading {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

/* Testimonials */
.oi-client-praise {
    padding: var(--space-xl) 2rem;
    background-color: var(--clr-sage);
}

.oi-center-text {
    text-align: center;
}

.oi-testimonial-masonry {
    max-width: 1200px;
    margin: 5rem auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 4rem;
}

.oi-testimony-block {
    background: #fff;
    padding: 4rem;
    border-top: 4px solid var(--clr-gold);
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
}

.oi-quote {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-style: italic;
    color: var(--clr-text-mute);
    margin-bottom: 3rem;
}

.oi-client-id {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.oi-client-id img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.oi-client-id span {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

/* Contact / Admissions */
.oi-admissions-zone {
    padding: var(--space-xl) 2rem;
    background-color: var(--clr-warm-white);
}

.oi-admissions-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 6rem;
}

.oi-form-desc {
    margin-bottom: 3rem;
    color: var(--clr-text-mute);
}

.oi-inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.oi-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.oi-input-group label {
    font-size: 1.3rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.oi-input-group input, 
.oi-input-group textarea {
    padding: 1.5rem;
    border: 1px solid #ccc;
    background: transparent;
    font-family: var(--font-sans);
    font-size: 1.6rem;
}

.oi-input-group input:focus, 
.oi-input-group textarea:focus {
    outline: none;
    border-color: var(--clr-med-green);
}

.oi-ops-card {
    background-color: var(--clr-sage);
    padding: 4rem;
    margin-bottom: 4rem;
}

.oi-delta-heading {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.oi-hours-list {
    list-style: none;
}

.oi-hours-list li {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    font-size: 1.4rem;
}

.oi-hours-list li:last-child {
    border-bottom: none;
}

/* FAQ Accordion */
.oi-faq-module {
    padding: 0 2rem;
}

.oi-accordion {
    border-bottom: 1px solid #ddd;
}

.oi-acc-trigger {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 2rem 0;
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--clr-deep-green);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.oi-acc-trigger::after {
    content: '+';
    font-size: 2.4rem;
    font-weight: 300;
}

.oi-acc-trigger.active::after {
    content: '−';
}

.oi-acc-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.oi-acc-panel p {
    padding-bottom: 2rem;
    color: var(--clr-text-mute);
}

/* Footer */
.oi-base-footer {
    background-color: var(--clr-deep-green);
    color: var(--clr-sage);
    padding: 6rem 2rem 2rem;
}

.oi-footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 4rem;
    margin-bottom: 2rem;
}

.oi-brand-text.oi-light {
    color: var(--clr-gold);
}

.oi-footer-tag {
    margin-top: 1rem;
    font-size: 1.4rem;
    opacity: 0.8;
}

.oi-footer-contact p {
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.oi-footer-contact a, .oi-footer-links a {
    color: var(--clr-gold);
}

.oi-footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.oi-footer-legal {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.2rem;
    opacity: 0.6;
    flex-wrap: wrap;
    gap: 1rem;
}

.oi-tiny-disclaimer {
    font-size: 1rem;
    font-style: italic;
}

/* Responsive Leakage & Adjustments */
@media (max-width: 992px) {
    .oi-hero-layout {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .oi-hero-stage {
        background: var(--clr-sage);
        padding-top: 4rem;
    }
    
    .oi-hero-narrative {
        margin-left: 0;
        margin-top: -10%;
        padding: 4rem 2rem;
    }
    
    .oi-lore-grid, .oi-admissions-grid {
        grid-template-columns: 1fr;
    }
    
    .oi-lore-visual-col {
        margin-top: 3.2rem;
    }
}

@media (max-width: 768px) {
    .oi-nav-cluster {
        display: none; /* Simplification for brief */
    }
    
    .oi-testimonial-masonry {
        grid-template-columns: 1fr;
    }
    
    .oi-footer-legal {
        flex-direction: column;
        text-align: center;
    }
}