/* Core Variables */
:root {
    --color-bg-ivory: #FDFAF6; /* Soft Ivory */
    --color-bg-white: #FFFFFF; /* Pure White */
    --color-text-main: #1C1C1E; /* Apple-grade Charcoal */
    --color-text-muted: #5A5A5A;
    --color-divider: #D3D0CB; /* Warm Grey/Taupe */
    
    /* Accents */
    --color-primary: #9EAB98; /* Muted Sage Green */
    --color-primary-hover: #86947f;
    --color-tech-bridge: #0A2540; /* Deep Navy */
    
    /* Typography */
    --font-primary: 'Avenir Next', 'Inter', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-ivory);
    color: var(--color-text-main);
    line-height: 1.7; /* Generous, humanist line-height */
    overflow-x: hidden;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

/* Header & Nav */
.global-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--color-bg-ivory);
    border-bottom: 1px solid var(--color-divider);
    /* Subtle shadow for depth */
    box-shadow: 0 4px 20px rgba(28, 28, 30, 0.03);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    font-size: 1.25rem;
    color: var(--color-text-main);
    letter-spacing: 0.01em;
}

.logo-img {
    height: 32px;
    width: auto;
    border-radius: 2px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 3rem;
}

.main-nav a:not(.btn) {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-main);
    opacity: 0.8;
}

.main-nav a:not(.btn):hover {
    opacity: 1;
    color: var(--color-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 90px;
    background-color: var(--color-bg-ivory);
    background-image: url('assets/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(253, 250, 246, 0.95) 0%, rgba(253, 250, 246, 0.7) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 10;
    max-width: 850px;
    margin: 0;
}

.headline {
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
}

.subheadline {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin-bottom: 3rem;
    font-weight: 400;
}

/* Buttons */
.hero-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2.25rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    letter-spacing: 0.01em;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(158, 171, 152, 0.4);
}

.btn-outline-dark {
    background-color: transparent;
    color: var(--color-text-main);
    border: 1px solid var(--color-text-main);
}

.btn-outline-dark:hover {
    background-color: rgba(28, 28, 30, 0.05);
}

.btn-outline-light {
    background-color: transparent;
    color: #FFFFFF;
    border: 1px solid #FFFFFF;
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Trust Banner */
.trust-banner {
    background-color: var(--color-bg-white);
    padding: 4rem 0;
    border-bottom: 1px solid var(--color-divider);
    text-align: center;
}

.trust-container p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.trust-logos {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.trust-logo-placeholder {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-divider);
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(100%);
    opacity: 0.7;
}

/* Training & Curriculum */
.training-section {
    background-color: var(--color-bg-white);
    padding: 8rem 0;
}

.training-header {
    text-align: center;
    margin-bottom: 5rem;
}

.training-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 1rem;
}

.training-header p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
}

.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.curriculum-card {
    background-color: var(--color-bg-ivory);
    border: 1px solid var(--color-divider);
    border-radius: 8px;
    padding: 3rem 2.5rem;
    transition: var(--transition-smooth);
}

.curriculum-card:hover {
    box-shadow: 0 20px 40px -10px rgba(28, 28, 30, 0.08);
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.curriculum-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text-main);
}

.card-desc {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.card-meta {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.enroll-link {
    font-weight: 600;
    color: var(--color-primary);
    font-size: 1rem;
}

.enroll-link:hover {
    color: var(--color-text-main);
}

/* About Section */
.about-section {
    background-color: var(--color-bg-ivory);
    padding: 8rem 0;
}

.about-container {
    max-width: 1000px;
    margin: 0 auto;
}

.quote-block {
    text-align: center;
    margin-bottom: 6rem;
}

.quote-block blockquote {
    font-size: 1.8rem;
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-text-main);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.quote-block cite {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.clinical-model-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.model-description {
    padding-right: 4rem;
    border-right: 1px solid var(--color-divider);
}

.model-description h2,
.founder-bio h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.model-description p,
.founder-bio p {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .clinical-model-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .model-description {
        padding-right: 0;
        border-right: none;
        padding-bottom: 3rem;
        border-bottom: 1px solid var(--color-divider);
    }
}

/* Tech Bridge / Vanguard Link */
.vanguard-link-section {
    background-color: var(--color-tech-bridge);
    color: #FFFFFF;
    padding: 8rem 0;
    text-align: center;
}

.vanguard-container {
    max-width: 800px;
    margin: 0 auto;
}

.vanguard-container h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.vanguard-container p {
    font-size: 1.15rem;
    opacity: 0.85;
    margin-bottom: 3rem;
}

/* Footer */
.global-footer {
    background-color: var(--color-bg-ivory);
    padding: 4rem 0 2rem 0;
    border-top: 1px solid var(--color-divider);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    font-size: 1.25rem;
    color: var(--color-text-main);
    margin-bottom: 0.5rem;
}

.footer-logo-img {
    height: 32px;
    width: auto;
    border-radius: 2px;
}

.footer-left p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.footer-links a {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
}

.disclaimer {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    opacity: 0.7;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease-out, transform 1s ease-out; /* Slower, more organic */
}

.slide-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.is-visible {
    opacity: 1;
    transform: translate(0);
}

/* Responsive */
@media (max-width: 992px) {
    .curriculum-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .headline {
        font-size: 2.5rem;
    }
    
    .main-nav {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .quote-block blockquote {
        font-size: 1.5rem;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}

/* Subpage Styles */
.page-header {
    padding: 12rem 0 6rem 0;
    background-color: var(--color-bg-ivory);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.content-section {
    padding: 4rem 0 8rem 0;
    background-color: var(--color-bg-white);
}

/* Practitioner Cards */
.practitioner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 3rem;
}

.practitioner-card {
    background-color: var(--color-bg-ivory);
    border: 1px solid var(--color-divider);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-smooth);
    padding: 2.5rem;
}

.practitioner-card:hover {
    box-shadow: 0 15px 35px -10px rgba(28, 28, 30, 0.08);
    transform: translateY(-5px);
}

.practitioner-img-wrapper {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(28, 28, 30, 0.1);
}

.practitioner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.practitioner-info {
    padding: 0;
}

.practitioner-info h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.prac-title {
    font-size: 0.95rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.prac-contact {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.prac-contact p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Syllabus Lists */
.syllabus-list {
    list-style: none;
    margin-top: 3rem;
}

.syllabus-list li {
    margin-bottom: 2rem;
    padding-left: 2rem;
    position: relative;
}

.syllabus-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.syllabus-list h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 0.25rem;
}

.syllabus-list p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
}