/* =====================================================
   Christo Fouché - The Clarity Systems Framework
   Main Stylesheet
   ===================================================== */

/* =====================================================
   CSS Variables
   ===================================================== */
:root {
    --color-navy: #1a365d;
    --color-navy-light: #2c5282;
    --color-navy-dark: #102a43;
    --color-blue-soft: #e8f0f8;
    --color-blue-muted: #dae5f0;
    --color-ink: #1a202c;
    --color-ink-light: #4a5568;
    --color-ink-muted: #718096;
    --color-paper: #ffffff;
    --color-paper-warm: #f7fafc;
    --color-line: #e2e8f0;
    --color-line-dark: #cbd5e0;
    --color-accent: #3182ce;
    
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 10rem;
    
    --max-width: 1200px;
    --max-width-narrow: 800px;
}

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

/* Prevent SVG icons from stretching */
svg {
    flex-shrink: 0;
    max-width: 100%;
    height: auto;
}

svg:not(:root) {
    overflow: hidden;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-ink);
    background: var(--color-paper);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =====================================================
   Typography
   ===================================================== */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 400;
}

h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-bottom: var(--space-md);
}

h3 {
    font-size: 1.35rem;
    font-weight: 600;
}

p {
    color: var(--color-ink-light);
}

a {
    color: var(--color-navy);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent);
}

/* =====================================================
   Layout
   ===================================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

section {
    padding: var(--space-xl) 0;
}

/* =====================================================
   Navigation
   ===================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-sm) 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.nav.scrolled {
    border-color: var(--color-line);
}

.nav__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-navy-dark);
    letter-spacing: -0.01em;
}

.nav__links {
    display: flex;
    gap: var(--space-md);
    list-style: none;
}

.nav__link {
    font-size: 0.9rem;
    color: var(--color-ink-muted);
    transition: color 0.2s ease;
}

.nav__link:hover {
    color: var(--color-navy);
}

.nav__link--active {
    color: var(--color-navy);
}

/* Mobile Menu Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav__toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-navy-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav__toggle.active .nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active .nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav {
        background: var(--color-paper);
        backdrop-filter: none;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-paper);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-md);
        z-index: 1000;
        padding: var(--space-xl);
    }
    
    .nav__links.active {
        display: flex;
    }
    
    .nav__link {
        font-size: 1.5rem;
        font-family: var(--font-display);
        color: var(--color-navy-dark);
    }
    
    .nav__link:hover,
    .nav__link--active {
        color: var(--color-navy);
    }
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 3px;
    transition: all 0.25s ease;
    cursor: pointer;
    border: none;
}

.btn--primary {
    background: var(--color-navy);
    color: var(--color-paper);
}

.btn--primary:hover {
    background: var(--color-navy-light);
    color: var(--color-paper);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 54, 93, 0.25);
}

.btn--secondary {
    background: transparent;
    color: var(--color-navy);
    border: 1px solid var(--color-navy);
}

.btn--secondary:hover {
    background: var(--color-navy);
    color: var(--color-paper);
}

.btn__arrow {
    transition: transform 0.2s ease;
}

.btn:hover .btn__arrow {
    transform: translateX(3px);
}

/* =====================================================
   Hero Section (Shared)
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--space-2xl);
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-paper) 0%, var(--color-blue-soft) 100%);
}

.hero--small {
    min-height: 50vh;
    padding-bottom: var(--space-xl);
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero__content {
    animation: fadeInUp 0.8s ease-out;
}

.hero__label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-paper);
    margin-bottom: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-navy);
    border-radius: 2px;
}

.hero__title {
    margin-bottom: var(--space-md);
    color: var(--color-navy-dark);
}

.hero__subtitle {
    font-size: 1.1rem;
    max-width: 520px;
    margin-bottom: var(--space-lg);
}

.hero__signals {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.hero__signal {
    font-size: 0.9rem;
    color: var(--color-ink-muted);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.hero__signal::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-navy);
    border-radius: 50%;
}

.hero__ctas {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* =====================================================
   Hero Visual / Clarity Diagram
   ===================================================== */
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 1s ease-out 0.3s both;
}

.clarity-diagram {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
    position: relative;
}

.clarity-diagram__ring {
    position: absolute;
    border: 1px solid var(--color-line-dark);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

.clarity-diagram__ring--outer {
    inset: 0;
    animation-delay: 0s;
    border-color: var(--color-blue-muted);
    border-width: 2px;
}

.clarity-diagram__ring--middle {
    inset: 15%;
    animation-delay: 0.5s;
    border-color: var(--color-navy-light);
    opacity: 0.3;
}

.clarity-diagram__ring--inner {
    inset: 30%;
    animation-delay: 1s;
    border-color: var(--color-navy);
    opacity: 0.5;
}

.clarity-diagram__center {
    position: absolute;
    inset: 42%;
    background: var(--color-navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: glow 3s ease-in-out infinite;
}

.clarity-diagram__label {
    font-family: var(--font-display);
    font-size: 1rem;
    color: white;
    font-weight: 500;
}

.clarity-diagram__node {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color-paper);
    border: 2px solid var(--color-navy);
    border-radius: 50%;
}

.clarity-diagram__node--1 { top: 0; left: 50%; transform: translate(-50%, -50%); }
.clarity-diagram__node--2 { top: 25%; right: 8%; }
.clarity-diagram__node--3 { bottom: 25%; right: 8%; }
.clarity-diagram__node--4 { bottom: 0; left: 50%; transform: translate(-50%, 50%); }
.clarity-diagram__node--5 { bottom: 25%; left: 8%; }
.clarity-diagram__node--6 { top: 25%; left: 8%; }

/* =====================================================
   Problem Section
   ===================================================== */
.problem {
    background: var(--color-paper);
    position: relative;
}

.problem__intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}

.problem__intro h2 {
    color: var(--color-navy-dark);
}

.problem__intro p {
    font-size: 1.1rem;
    margin-top: var(--space-sm);
}

.problem__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.problem__card {
    padding: var(--space-md);
    background: var(--color-paper-warm);
    border-radius: 4px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid transparent;
}

.problem__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.problem__card--chaos { border-left-color: #e53e3e; }
.problem__card--false { border-left-color: #dd6b20; }
.problem__card--real { border-left-color: var(--color-navy); }

.problem__card-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.problem__card--chaos .problem__card-label { color: #e53e3e; }
.problem__card--false .problem__card-label { color: #dd6b20; }
.problem__card--real .problem__card-label { color: var(--color-navy); }

.problem__card ul {
    list-style: none;
}

.problem__card li {
    font-size: 0.95rem;
    color: var(--color-ink-light);
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-line);
}

.problem__card li:last-child {
    border-bottom: none;
}

/* =====================================================
   Framework Section
   ===================================================== */
.framework {
    position: relative;
    background: var(--color-navy-dark);
    color: var(--color-paper);
}

.framework__intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}

.framework__intro h2 {
    color: var(--color-paper);
}

.framework__intro p {
    font-size: 1.1rem;
    margin-top: var(--space-sm);
    color: rgba(255, 255, 255, 0.75);
}

.pillars {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-sm);
}

.pillar {
    text-align: center;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.pillar:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-4px);
}

.pillar__number {
    width: 36px;
    height: 36px;
    margin: 0 auto var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-paper);
    border: 2px solid var(--color-paper);
    border-radius: 50%;
}

.pillar__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-paper);
}

.pillar__desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.5;
}

/* =====================================================
   Process Section
   ===================================================== */
.process {
    background: var(--color-paper-warm);
}

.process h2 {
    color: var(--color-navy-dark);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.process__steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    position: relative;
}

.process__steps::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 16.66%;
    right: 16.66%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-line-dark), transparent);
}

.process__step {
    text-align: center;
}

.process__step-number {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-paper);
    background: var(--color-navy);
    border-radius: 50%;
    position: relative;
    z-index: 1;
}

.process__step h3 {
    color: var(--color-navy-dark);
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.process__step ul {
    list-style: none;
    color: var(--color-ink-light);
    font-size: 0.95rem;
}

.process__step li {
    padding: var(--space-xs) 0;
}

/* =====================================================
   Reference Section
   ===================================================== */
.reference {
    background: var(--color-blue-soft);
    text-align: center;
}

.reference__content {
    max-width: 600px;
    margin: 0 auto;
}

.reference h2 {
    margin-bottom: var(--space-md);
    color: var(--color-navy-dark);
}

.reference p {
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
}

.reference__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-paper);
    border: 1px solid var(--color-line);
    border-radius: 4px;
    margin-bottom: var(--space-md);
}

.reference__badge-icon {
    width: 40px;
    height: 40px;
    background: var(--color-navy);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reference__badge-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.reference__badge-text {
    text-align: left;
}

.reference__badge-name {
    font-weight: 600;
    color: var(--color-navy-dark);
}

.reference__badge-desc {
    font-size: 0.85rem;
    color: var(--color-ink-muted);
}

/* =====================================================
   Audience Section
   ===================================================== */
.audience {
    background: var(--color-paper);
}

.audience h2 {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--color-navy-dark);
}

.audience__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.audience__card {
    padding: var(--space-lg);
    border: 1px solid var(--color-line);
    border-radius: 4px;
    text-align: center;
    transition: all 0.3s ease;
    background: var(--color-paper);
}

.audience__card:hover {
    border-color: var(--color-navy);
    box-shadow: 0 8px 30px rgba(26, 54, 93, 0.1);
}

.audience__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-blue-soft);
    border-radius: 50%;
}

.audience__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-navy);
}

.audience__card h3 {
    margin-bottom: var(--space-sm);
    color: var(--color-navy-dark);
}

.audience__card ul {
    list-style: none;
    color: var(--color-ink-muted);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}

.audience__card li {
    padding: var(--space-xs) 0;
}

.audience__tagline {
    font-size: 0.85rem;
    font-style: italic;
    color: var(--color-navy);
}

/* =====================================================
   About Section
   ===================================================== */
.about {
    background: var(--color-paper-warm);
}

.about__grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.about__image {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(26, 54, 93, 0.2);
}

.about__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about__content h2 {
    margin-bottom: var(--space-md);
    color: var(--color-navy-dark);
}

.about__content p {
    font-size: 1.05rem;
    margin-bottom: var(--space-sm);
}

.about__themes {
    display: flex;
    gap: var(--space-md);
    margin: var(--space-md) 0;
    flex-wrap: wrap;
}

.about__theme {
    font-size: 0.85rem;
    color: var(--color-ink-muted);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.about__theme::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--color-navy);
    border-radius: 50%;
}

/* =====================================================
   Thinking Section
   ===================================================== */
.thinking {
    background: var(--color-paper);
}

.thinking h2 {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--color-navy-dark);
}

.thinking__articles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.thinking__article {
    padding: var(--space-md);
    border: 1px solid var(--color-line);
    border-radius: 4px;
    transition: all 0.3s ease;
    display: block;
    background: var(--color-paper);
}

.thinking__article:hover {
    border-color: var(--color-navy);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(26, 54, 93, 0.1);
}

.thinking__article-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-navy);
    margin-bottom: var(--space-sm);
}

.thinking__article h3 {
    font-size: 1.15rem;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-xs);
    transition: color 0.2s ease;
}

.thinking__article:hover h3 {
    color: var(--color-navy);
}

.thinking__article p {
    font-size: 0.9rem;
}

/* =====================================================
   Contact Page Styles
   ===================================================== */
.contact {
    background: var(--color-paper);
    padding: var(--space-xl) 0 var(--space-2xl);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-xl);
    align-items: start;
}

.contact__info {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.contact__info h2 {
    color: var(--color-navy-dark);
    margin-bottom: var(--space-md);
}

.contact__intro {
    font-size: 1.05rem;
    margin-bottom: var(--space-lg);
}

.contact__methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact__method {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-paper-warm);
    border-radius: 4px;
    border-left: 4px solid var(--color-navy);
    transition: all 0.3s ease;
}

.contact__method:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 20px rgba(26, 54, 93, 0.1);
}

.contact__method-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-blue-soft);
    border-radius: 50%;
    flex-shrink: 0;
}

.contact__method-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-navy);
}

.contact__method-content {
    flex: 1;
}

.contact__method-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-xs);
}

.contact__method-value {
    font-size: 1.1rem;
    color: var(--color-navy-dark);
    font-weight: 500;
}

.contact__method-value a {
    color: var(--color-navy-dark);
}

.contact__method-value a:hover {
    color: var(--color-navy-light);
}

/* Contact Form */
.contact__form-wrapper {
    background: var(--color-navy-dark);
    padding: var(--space-lg);
    border-radius: 4px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.contact__form-wrapper h3 {
    color: var(--color-paper);
    margin-bottom: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.5rem;
}

.contact__form-intro {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
}

.form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form__label {
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
}

.form__input,
.form__textarea {
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-ink);
    background: var(--color-paper);
    border: 1px solid var(--color-line);
    border-radius: 3px;
    transition: all 0.2s ease;
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-navy-light);
    box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.15);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-ink-muted);
}

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.btn--form {
    background: var(--color-paper);
    color: var(--color-navy-dark);
    margin-top: var(--space-xs);
    justify-content: center;
}

.btn--form:hover {
    background: var(--color-blue-soft);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Map Section */
.map-section {
    background: var(--color-blue-soft);
    padding: var(--space-xl) 0;
}

.map-section__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.map-section__content h2 {
    color: var(--color-navy-dark);
}

.map-section__content p {
    font-size: 1.05rem;
    margin-bottom: var(--space-md);
}

.map-section__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.map-section__detail {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-ink-light);
}

.map-section__detail svg {
    width: 18px;
    height: 18px;
    color: var(--color-navy);
    flex-shrink: 0;
}

.map-section__image {
    background: var(--color-paper);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(26, 54, 93, 0.15);
}

.map-section__image img {
    width: 100%;
    height: auto;
    display: block;
}

.map-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, var(--color-navy-light), var(--color-navy-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.8);
}

.map-placeholder svg {
    width: 48px;
    height: 48px;
    color: rgba(255, 255, 255, 0.6);
}

.map-placeholder span {
    font-size: 0.9rem;
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-line);
    background: var(--color-navy-dark);
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__links {
    display: flex;
    gap: var(--space-md);
    list-style: none;
}

.footer__link {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer__link:hover {
    color: var(--color-paper);
}

.footer__copy {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* =====================================================
   Article Page Styles
   ===================================================== */

/* Article Hero */
.article-hero {
    position: relative;
    padding: calc(80px + var(--space-xl)) 0 var(--space-xl);
    background: var(--color-navy-dark);
    overflow: hidden;
}

.article-hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 50%, var(--color-navy-light) 100%);
}

.article-hero__bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 30%, rgba(255,255,255,0.08) 0%, transparent 50%);
}

.article-hero__grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-xl);
    align-items: center;
}

.article-hero__content {
    position: relative;
    z-index: 1;
}

/* Breadcrumb */
.breadcrumb { margin-bottom: var(--space-md); }
.breadcrumb__list { display: flex; align-items: center; gap: var(--space-xs); list-style: none; font-size: 0.85rem; }
.breadcrumb__item { display: flex; align-items: center; }
.breadcrumb__item:not(:last-child)::after { content: '/'; color: rgba(255,255,255,0.4); margin: 0 var(--space-xs); }
.breadcrumb__item a { color: rgba(255,255,255,0.6); transition: color 0.2s ease; }
.breadcrumb__item a:hover { color: var(--color-paper); }
.breadcrumb__item--current { color: rgba(255,255,255,0.8); }

/* Hero Meta */
.article-hero__meta { display: flex; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-md); }
.article-hero__category { display: inline-block; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-navy-dark); background: var(--color-paper); padding: 0.4rem 1rem; border-radius: 50px; }
.article-hero__dot { color: rgba(255,255,255,0.4); }
.article-hero__read { font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.article-hero__title { font-family: var(--font-display); font-size: clamp(2.25rem, 5vw, 3.25rem); font-weight: 400; color: var(--color-paper); line-height: 1.15; margin-bottom: var(--space-md); }
.article-hero__lead { font-size: 1.2rem; line-height: 1.7; color: rgba(255,255,255,0.8); margin-bottom: var(--space-lg); max-width: 600px; }

/* Author in Hero */
.article-hero__author { display: flex; align-items: center; gap: var(--space-sm); }
.article-hero__avatar { width: 52px; height: 52px; border: 2px solid rgba(255,255,255,0.3); border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.article-hero__avatar img { width: 100%; height: 100%; object-fit: cover; }
.article-hero__author-info { display: flex; flex-direction: column; }
.article-hero__author-name { font-weight: 600; color: var(--color-paper); font-size: 1rem; }
.article-hero__date { font-size: 0.875rem; color: rgba(255,255,255,0.6); }

/* Hero Visual */
.article-hero__visual { display: flex; justify-content: center; align-items: center; }
.article-hero__image { width: 100%; max-width: 350px; border-radius: 12px; overflow: hidden; box-shadow: 0 25px 50px rgba(0,0,0,0.3); }
.article-hero__image img { width: 100%; height: auto; display: block; }
.article-hero__diagram { position: relative; width: 250px; height: 250px; }
.article-hero__ring { position: absolute; border: 1px solid rgba(255,255,255,0.15); border-radius: 50%; animation: pulse 4s ease-in-out infinite; }
.article-hero__ring--1 { inset: 0; border-width: 2px; border-color: rgba(255,255,255,0.1); }
.article-hero__ring--2 { inset: 20%; animation-delay: 0.5s; border-color: rgba(255,255,255,0.2); }
.article-hero__ring--3 { inset: 40%; animation-delay: 1s; border-color: rgba(255,255,255,0.3); }
.article-hero__center { position: absolute; inset: 38%; background: rgba(255,255,255,0.1); border: 2px solid rgba(255,255,255,0.4); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.article-hero__center svg { width: 32px; height: 32px; color: var(--color-paper); }
.article-hero__node { position: absolute; width: 12px; height: 12px; background: rgba(255,255,255,0.6); border-radius: 50%; }
.article-hero__node--1 { top: 0; left: 50%; transform: translateX(-50%); }
.article-hero__node--2 { top: 50%; right: 0; transform: translateY(-50%); }
.article-hero__node--3 { bottom: 0; left: 50%; transform: translateX(-50%); }
.article-hero__node--4 { top: 50%; left: 0; transform: translateY(-50%); }

/* Article Body */
.article-body { background: var(--color-paper); padding: var(--space-xl) 0; }
.article-body__layout { display: grid; grid-template-columns: 80px 1fr; gap: var(--space-lg); max-width: 900px; margin: 0 auto; }

/* Sidebar */
.article-sidebar { position: relative; }
.article-sidebar__sticky { position: sticky; top: 100px; display: flex; flex-direction: column; gap: var(--space-lg); }
.article-sidebar__progress { display: flex; flex-direction: column; align-items: center; gap: var(--space-xs); }
.article-sidebar__progress-track { width: 4px; height: 120px; background: var(--color-line); border-radius: 2px; overflow: hidden; }
.article-sidebar__progress-fill { width: 100%; height: 0%; background: var(--color-navy); border-radius: 2px; transition: height 0.1s ease; }
.article-sidebar__progress-text { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-ink-muted); writing-mode: vertical-rl; transform: rotate(180deg); }
.article-sidebar__share { display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); }
.article-sidebar__share-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-ink-muted); writing-mode: vertical-rl; transform: rotate(180deg); }
.article-sidebar__share-icons { display: flex; flex-direction: column; gap: var(--space-xs); }
.article-sidebar__share-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: var(--color-paper-warm); border: 1px solid var(--color-line); border-radius: 50%; color: var(--color-ink-muted); transition: all 0.2s ease; }
.article-sidebar__share-icon svg { width: 16px; height: 16px; }
.article-sidebar__share-icon:hover { background: var(--color-navy); border-color: var(--color-navy); color: var(--color-paper); transform: translateY(-2px); }

/* Article Main */
.article-main { max-width: 680px; }
.article-main__intro { font-size: 1.35rem; line-height: 1.8; color: var(--color-ink); margin-bottom: var(--space-lg); padding-bottom: var(--space-lg); border-bottom: 2px solid var(--color-line); }
.article-main__intro strong { color: var(--color-navy-dark); }

/* Featured Image */
.article-featured-image { margin: 0 0 var(--space-lg); }
.article-featured-image img { width: 100%; height: auto; border-radius: 12px; box-shadow: 0 20px 50px rgba(26,54,93,0.15); display: block; }
.article-featured-image figcaption { text-align: center; font-size: 0.9rem; color: var(--color-ink-muted); font-style: italic; margin-top: var(--space-xs); }

/* Article Sections */
.article-section { margin-bottom: var(--space-md); }
.article-section h2 { font-family: var(--font-display); font-size: 1.85rem; font-weight: 500; color: var(--color-navy-dark); margin-bottom: var(--space-sm); margin-top: var(--space-lg); padding-top: var(--space-sm); border-top: 1px solid var(--color-line); }
.article-section h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.article-section h4 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; color: var(--color-navy-dark); margin-bottom: var(--space-xs); margin-top: var(--space-sm); }
.article-section p { font-size: 1.1rem; line-height: 1.85; color: var(--color-ink-light); margin-bottom: var(--space-sm); }
.article-section p strong { color: var(--color-navy-dark); font-weight: 600; }
.article-subhead { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; color: var(--color-navy); margin: var(--space-md) 0 var(--space-xs); padding-left: var(--space-sm); border-left: 3px solid var(--color-navy); }
.article-section--closing { margin-top: var(--space-lg); padding-top: var(--space-md); border-top: 2px solid var(--color-line); }
.article-final { font-size: 1.35rem; font-weight: 500; color: var(--color-navy-dark); font-style: italic; margin-top: var(--space-sm); }

/* Lists */
.article-section ul, .article-section ol { margin: var(--space-sm) 0 var(--space-md); padding-left: 0; list-style: none; }
.article-section li { font-size: 1.1rem; line-height: 1.8; color: var(--color-ink-light); margin-bottom: var(--space-xs); padding-left: var(--space-md); position: relative; }
.article-section ul li::before { content: ''; position: absolute; left: 0; top: 0.75em; width: 8px; height: 8px; background: var(--color-navy); border-radius: 50%; }
.article-section ol { counter-reset: article-ol; }
.article-section ol li { counter-increment: article-ol; }
.article-section ol li::before { content: counter(article-ol); position: absolute; left: 0; top: 0; font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; color: var(--color-navy); }
.article-list--quotes li { font-style: italic; color: var(--color-ink); }
.article-list--quotes li::before { background: var(--color-navy-light); }
.article-list--check li::before { content: '✓'; background: none; color: var(--color-navy); font-weight: bold; top: 0; }

/* Highlight Box */
.article-highlight { background: var(--color-blue-soft); border-left: 4px solid var(--color-navy); padding: var(--space-sm) var(--space-md); margin: var(--space-sm) 0; border-radius: 0 8px 8px 0; }
.article-highlight p { font-size: 1.15rem; color: var(--color-navy-dark); margin: 0; }
.article-highlight--dark { background: var(--color-navy-dark); border-left-color: var(--color-paper); }
.article-highlight--dark p { color: var(--color-paper); }

/* Callout */
.article-callout { display: flex; gap: var(--space-sm); background: var(--color-paper-warm); border: 1px solid var(--color-line); padding: var(--space-sm) var(--space-md); border-radius: 8px; margin: var(--space-sm) 0; }
.article-callout__icon { width: 40px; height: 40px; background: var(--color-navy); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.article-callout__icon svg { width: 20px; height: 20px; color: var(--color-paper); }
.article-callout__content p { font-size: 1.05rem; color: var(--color-navy-dark); margin: 0; }

/* Quote */
.article-quote { margin: var(--space-sm) 0; padding: var(--space-md); background: var(--color-paper-warm); border-left: 4px solid var(--color-navy); border-radius: 0 8px 8px 0; }
.article-quote p { font-family: var(--font-display); font-size: 1.35rem; font-style: italic; color: var(--color-navy-dark); line-height: 1.5; margin: 0; }
.article-quote--compact { margin: 0; padding: var(--space-sm); }
.article-quote--compact p { font-size: 1.1rem; }

/* Two Columns */
.article-columns { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); margin: var(--space-sm) 0; }
.article-column { background: var(--color-paper-warm); padding: var(--space-sm); border-radius: 8px; border: 1px solid var(--color-line); }
.article-column ul { margin-bottom: 0; }

/* Questions */
.article-questions { display: flex; flex-direction: column; gap: var(--space-xs); margin: var(--space-sm) 0; }
.article-question { display: flex; align-items: center; gap: var(--space-sm); padding: var(--space-xs) var(--space-sm); background: var(--color-paper-warm); border: 1px solid var(--color-line); border-radius: 8px; transition: all 0.2s ease; }
.article-question:hover { border-color: var(--color-navy); transform: translateX(4px); }
.article-question__marker { width: 28px; height: 28px; background: var(--color-navy); color: var(--color-paper); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; flex-shrink: 0; }
.article-question__text { font-size: 1rem; color: var(--color-ink); }

/* Benefits Grid */
.article-benefits { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); margin: var(--space-sm) 0; }
.article-benefit { display: flex; flex-direction: column; align-items: center; text-align: center; padding: var(--space-md); background: var(--color-paper-warm); border: 1px solid var(--color-line); border-radius: 8px; transition: all 0.3s ease; }
.article-benefit:hover { border-color: var(--color-navy); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(26,54,93,0.1); }
.article-benefit__icon { width: 48px; height: 48px; background: var(--color-navy); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-xs); }
.article-benefit__icon svg { width: 24px; height: 24px; color: var(--color-paper); }
.article-benefit span { font-size: 0.95rem; font-weight: 500; color: var(--color-navy-dark); }

/* Flow Diagram */
.article-diagram { margin: var(--space-md) 0; background: var(--color-navy-dark); border-radius: 12px; padding: var(--space-md); }
.article-diagram__wrapper { margin-bottom: var(--space-md); }
.flow-steps { display: flex; align-items: center; justify-content: center; gap: var(--space-sm); flex-wrap: wrap; }
.flow-step { text-align: center; padding: var(--space-md); background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.15); border-radius: 12px; min-width: 120px; transition: all 0.3s ease; }
.flow-step:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.3); transform: translateY(-4px); }
.flow-step__icon { width: 56px; height: 56px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto var(--space-sm); }
.flow-step__icon svg { width: 28px; height: 28px; color: var(--color-paper); }
.flow-step__title { display: block; font-family: var(--font-display); font-size: 1.1rem; font-weight: 500; color: var(--color-paper); margin-bottom: 4px; }
.flow-step__desc { display: block; font-size: 0.8rem; color: rgba(255,255,255,0.6); }
.flow-step__arrow { color: rgba(255,255,255,0.3); font-size: 1.5rem; flex-shrink: 0; }
.article-diagram figcaption { text-align: center; font-size: 0.9rem; color: rgba(255,255,255,0.6); font-style: italic; }

/* Framework Link */
.article-framework-link { display: flex; align-items: center; gap: var(--space-md); background: linear-gradient(135deg, var(--color-blue-soft) 0%, var(--color-paper) 100%); border: 2px solid var(--color-navy); border-radius: 12px; padding: var(--space-sm) var(--space-md); margin-top: var(--space-lg); }
.article-framework-link__badge { width: 56px; height: 56px; background: var(--color-navy); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.article-framework-link__badge span { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: var(--color-paper); }
.article-framework-link__content { flex: 1; }
.article-framework-link__label { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-ink-muted); margin-bottom: 4px; }
.article-framework-link__title { display: block; font-family: var(--font-display); font-size: 1.25rem; color: var(--color-navy-dark); }
.article-framework-link__subtitle { display: block; font-size: 0.9rem; color: var(--color-ink-muted); }
.article-framework-link__btn { display: flex; align-items: center; gap: var(--space-xs); padding: var(--space-sm) var(--space-md); background: var(--color-navy); color: var(--color-paper); border-radius: 6px; font-size: 0.9rem; font-weight: 500; transition: all 0.2s ease; flex-shrink: 0; }
.article-framework-link__btn svg { width: 18px; height: 18px; }
.article-framework-link__btn:hover { background: var(--color-navy-light); color: var(--color-paper); transform: translateX(4px); }

/* Article End/Footer */
.article-end { background: var(--color-paper-warm); padding: var(--space-xl) 0; }
.article-end__author { display: flex; gap: var(--space-lg); align-items: flex-start; background: var(--color-paper); border: 1px solid var(--color-line); border-radius: 12px; padding: var(--space-lg); margin-bottom: var(--space-xl); }
.article-end__author-avatar { width: 80px; height: 80px; border-radius: 50%; overflow: hidden; flex-shrink: 0; box-shadow: 0 8px 20px rgba(26,54,93,0.15); }
.article-end__author-avatar img { width: 100%; height: 100%; object-fit: cover; }
.article-end__author-info { flex: 1; }
.article-end__author-info h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 500; color: var(--color-navy-dark); margin-bottom: var(--space-xs); }
.article-end__author-info p { font-size: 1rem; color: var(--color-ink-light); margin-bottom: var(--space-md); }

/* Related Articles */
.article-end__related { margin-bottom: var(--space-xl); }
.article-end__related h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 500; color: var(--color-navy-dark); margin-bottom: var(--space-md); }
.article-end__related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.article-end__related-card { display: flex; flex-direction: column; padding: var(--space-lg); background: var(--color-paper); border: 1px solid var(--color-line); border-radius: 12px; transition: all 0.3s ease; position: relative; }
.article-end__related-card:hover { border-color: var(--color-navy); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(26,54,93,0.1); }
.article-end__related-cat { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-navy); margin-bottom: var(--space-xs); }
.article-end__related-title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; color: var(--color-navy-dark); line-height: 1.35; flex: 1; }
.article-end__related-arrow { color: var(--color-navy); font-size: 1.25rem; margin-top: var(--space-sm); opacity: 0; transform: translateX(-10px); transition: all 0.2s ease; }
.article-end__related-card:hover .article-end__related-arrow { opacity: 1; transform: translateX(0); }

/* Back Link */
.article-end__back { text-align: center; padding-top: var(--space-lg); border-top: 1px solid var(--color-line); }
.article-end__back a { display: inline-flex; align-items: center; gap: var(--space-xs); font-size: 0.95rem; color: var(--color-ink-muted); transition: all 0.2s ease; }
.article-end__back a:hover { color: var(--color-navy); }
.article-end__back a:hover svg { transform: translateX(-4px); }
.article-end__back svg { width: 20px; height: 20px; transition: transform 0.2s ease; }

/* Article Responsive */
@media (max-width: 1024px) {
    .article-hero__grid { grid-template-columns: 1fr; }
    .article-hero__visual { display: none; }
}

@media (max-width: 768px) {
    .article-body__layout { grid-template-columns: 1fr; }
    .article-sidebar { display: none; }
    .article-columns { grid-template-columns: 1fr; }
    .article-benefits { grid-template-columns: 1fr; }
    .article-end__related-grid { grid-template-columns: 1fr; }
    .article-end__author { flex-direction: column; text-align: center; }
    .article-end__author-avatar { margin: 0 auto; }
    .flow-steps { flex-direction: column; }
    .flow-step__arrow { transform: rotate(90deg); }
    .article-framework-link { flex-direction: column; text-align: center; }
    .article-framework-link__btn { width: 100%; justify-content: center; }
}


/* =====================================================
   Systems Thinking Page Styles
   ===================================================== */

/* Pillars Filter */
.pillars-filter {
    background: var(--color-paper);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-line);
    position: sticky;
    top: 60px;
    z-index: 50;
}

.pillars-filter__inner {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.pillars-filter__btn {
    padding: 0.625rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-ink-light);
    background: var(--color-paper-warm);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.pillars-filter__btn:hover {
    color: var(--color-navy);
    background: var(--color-blue-soft);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 54, 93, 0.1);
}

.pillars-filter__btn--active {
    color: var(--color-paper);
    background: var(--color-navy);
    box-shadow: 0 4px 12px rgba(26, 54, 93, 0.25);
}

.pillars-filter__btn--active:hover {
    color: var(--color-paper);
    background: var(--color-navy-light);
}

/* Articles Section */
.articles-section {
    background: var(--color-paper-warm);
    padding: var(--space-xl) 0;
}

/* Featured Article */
.featured-article {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-xl);
    align-items: center;
    background: var(--color-paper);
    border: 1px solid var(--color-line);
    border-radius: 4px;
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.featured-article__label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-paper);
    background: var(--color-navy);
    padding: 4px 10px;
    border-radius: 2px;
    margin-right: var(--space-sm);
}

.featured-article__category {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-navy);
}

.featured-article__title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 500;
    margin: var(--space-sm) 0;
    line-height: 1.3;
}

.featured-article__title a {
    color: var(--color-navy-dark);
    transition: color 0.2s ease;
}

.featured-article__title a:hover {
    color: var(--color-navy);
}

.featured-article__excerpt {
    font-size: 1.05rem;
    margin-bottom: var(--space-md);
}

.featured-article__meta {
    margin-bottom: var(--space-md);
}

.featured-article__read {
    font-size: 0.85rem;
    color: var(--color-ink-muted);
}

.featured-article__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.featured-article__diagram {
    width: 200px;
    height: 200px;
    min-width: 200px;
    min-height: 200px;
    max-width: 200px;
    max-height: 200px;
    color: var(--color-navy);
    flex-shrink: 0;
}

.featured-article__diagram svg {
    width: 200px;
    height: 200px;
    min-width: 200px;
    min-height: 200px;
    max-width: 200px;
    max-height: 200px;
    display: block;
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

/* Article Card */
.article-card {
    background: var(--color-paper);
    border: 1px solid var(--color-line);
    border-radius: 8px;
    padding: var(--space-lg);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-navy);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.article-card:hover {
    border-color: var(--color-navy);
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(26, 54, 93, 0.15);
}

.article-card:hover::before {
    transform: scaleX(1);
}

.article-card__category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-paper);
    background: var(--color-navy);
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    margin-bottom: var(--space-md);
    align-self: flex-start;
}

.article-card__title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.article-card__title a {
    color: var(--color-navy-dark);
    transition: color 0.2s ease;
}

.article-card__title a:hover {
    color: var(--color-navy);
}

.article-card__excerpt {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-ink-light);
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.article-card__meta {
    margin-top: auto;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-line);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.article-card__read {
    font-size: 0.85rem;
    color: var(--color-ink-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-card__read::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--color-navy);
    border-radius: 50%;
}

.article-card__arrow {
    color: var(--color-navy);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.article-card:hover .article-card__arrow {
    opacity: 1;
    transform: translateX(0);
}

/* Hidden articles (for filtering) */
.article-card.hidden,
.featured-article.hidden {
    display: none;
}

/* Framework Connection Section */
.framework-connection {
    background: var(--color-navy-dark);
    padding: var(--space-xl) 0;
}

.framework-connection__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.framework-connection__content h2 {
    color: var(--color-paper);
    margin-bottom: var(--space-md);
}

.framework-connection__content p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-md);
}

.framework-connection__pillars {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.framework-connection__pillar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.framework-connection__pillar-num {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-paper);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    flex-shrink: 0;
}

.framework-connection__pillar-name {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
}

/* Systems Thinking Page Responsive */
@media (max-width: 1024px) {
    .featured-article {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .featured-article__visual {
        order: -1;
    }
    
    .featured-article__diagram {
        width: 150px;
        height: 150px;
    }
    
    .framework-connection__inner {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .pillars-filter {
        position: relative;
        top: 0;
    }
    
    .pillars-filter__inner {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--space-xs);
        -webkit-overflow-scrolling: touch;
    }
    
    .pillars-filter__btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-article {
        padding: var(--space-md);
    }
    
    .featured-article__title {
        font-size: 1.5rem;
    }
}

/* =====================================================
   Framework Page Styles
   ===================================================== */

/* Introduction Section */
.intro-section {
    background: var(--color-paper);
    padding: var(--space-xl) 0;
}

.intro-section__content {
    text-align: center;
}

.intro-section__lead {
    font-size: 1.35rem;
    color: var(--color-navy-dark);
    font-weight: 500;
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.intro-section__content p {
    font-size: 1.05rem;
    margin-bottom: var(--space-sm);
}

/* Principle Section */
.principle-section {
    background: var(--color-paper-warm);
    padding: var(--space-xl) 0;
}

.principle-section__grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-xl);
    align-items: center;
}

.principle-section__content h2 {
    color: var(--color-navy-dark);
    margin-bottom: var(--space-md);
}

.principle-section__content p {
    font-size: 1.05rem;
    margin-bottom: var(--space-sm);
}

.principle-section__list {
    list-style: none;
    margin: var(--space-md) 0;
    padding-left: 0;
}

.principle-section__list li {
    position: relative;
    padding-left: var(--space-md);
    padding-top: var(--space-xs);
    padding-bottom: var(--space-xs);
    color: var(--color-ink-light);
    font-size: 1.05rem;
}

.principle-section__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-navy);
    border-radius: 50%;
}

.principle-section__emphasis {
    font-weight: 500;
    color: var(--color-navy-dark);
    font-size: 1.1rem;
    margin-top: var(--space-md);
}

.principle-section__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.principle-diagram {
    width: 280px;
    height: 280px;
    background: var(--color-navy);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-md);
}

.principle-diagram__icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-sm);
    flex-shrink: 0;
}

.principle-diagram__icon svg {
    width: 64px;
    height: 64px;
    color: rgba(255, 255, 255, 0.8);
    display: block;
}

.principle-diagram__label {
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: var(--color-paper);
    display: block;
    margin-bottom: var(--space-xs);
}

.principle-diagram__sublabel {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Model Overview Section */
.model-overview {
    background: var(--color-navy-dark);
    padding: var(--space-xl) 0;
    color: var(--color-paper);
}

.model-overview__intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}

.model-overview__intro h2 {
    color: var(--color-paper);
}

.model-overview__intro p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
}

.model-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.model-flow__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-sm);
}

.model-flow__icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    max-width: 48px;
    max-height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-xs);
    border: 1px solid rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
    overflow: hidden;
}

.model-flow__icon svg {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    max-width: 24px;
    max-height: 24px;
    color: var(--color-paper);
    flex-shrink: 0;
    display: block;
}

.model-flow__label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.model-flow__arrow {
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.25rem;
}

.model-overview__note {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.model-overview__note p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.75);
    font-style: italic;
}

/* Pillars Section (Detailed) */
.pillars-section {
    background: var(--color-paper);
    padding: var(--space-xl) 0;
}

.pillars-section__intro {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.pillars-section__intro h2 {
    color: var(--color-navy-dark);
}

.pillars-detailed {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.pillar-detail {
    background: var(--color-paper-warm);
    border-radius: 4px;
    overflow: hidden;
    border-left: 4px solid var(--color-navy);
}

.pillar-detail__header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-line);
}

.pillar-detail__number {
    width: 48px;
    height: 48px;
    background: var(--color-navy);
    color: var(--color-paper);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.pillar-detail__title h3 {
    color: var(--color-navy-dark);
    margin-bottom: var(--space-xs);
}

.pillar-detail__principle {
    font-size: 1rem;
    color: var(--color-navy);
    font-style: italic;
    margin: 0;
}

.pillar-detail__content {
    padding: var(--space-md);
}

.pillar-detail__content p {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.pillar-detail__content ul {
    list-style: none;
    margin: var(--space-sm) 0;
    padding-left: 0;
}

.pillar-detail__content li {
    position: relative;
    padding-left: var(--space-md);
    padding-top: var(--space-xs);
    padding-bottom: var(--space-xs);
    color: var(--color-ink-light);
}

.pillar-detail__content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-navy);
}

.pillar-detail__conclusion {
    font-weight: 500;
    color: var(--color-navy-dark);
    margin-top: var(--space-sm);
}

/* Governance Section */
.governance-section {
    background: var(--color-blue-soft);
    padding: var(--space-xl) 0;
}

.governance-section__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
    margin-bottom: var(--space-lg);
}

.governance-section__content h2 {
    color: var(--color-navy-dark);
}

.governance-section__content p {
    font-size: 1.05rem;
    margin-bottom: var(--space-sm);
}

.governance-section__benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.governance-benefit {
    background: var(--color-paper);
    padding: var(--space-md);
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    border: 1px solid var(--color-line);
}

.governance-benefit__icon {
    width: 40px;
    height: 40px;
    background: var(--color-navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.governance-benefit__icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-paper);
}

.governance-benefit span {
    font-weight: 500;
    color: var(--color-navy-dark);
    font-size: 0.95rem;
}

.governance-section__note {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.governance-section__note p {
    font-size: 1.05rem;
    font-style: italic;
}

/* Serves Section */
.serves-section {
    background: var(--color-paper);
    padding: var(--space-xl) 0;
}

.serves-section h2 {
    text-align: center;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-xl);
}

.serves-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.serves-card {
    background: var(--color-paper-warm);
    padding: var(--space-lg);
    border-radius: 4px;
    text-align: center;
    border: 1px solid var(--color-line);
    transition: all 0.3s ease;
}

.serves-card:hover {
    border-color: var(--color-navy);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(26, 54, 93, 0.1);
}

.serves-card__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-md);
    background: var(--color-blue-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.serves-card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-navy);
}

.serves-card h3 {
    color: var(--color-navy-dark);
    margin-bottom: var(--space-sm);
}

.serves-card ul {
    list-style: none;
    color: var(--color-ink-muted);
    font-size: 0.95rem;
}

.serves-card li {
    padding: var(--space-xs) 0;
}

.serves-section__tagline {
    text-align: center;
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-navy);
}

/* Implementation Section */
.implementation-section {
    background: var(--color-paper-warm);
    padding: var(--space-xl) 0;
}

.implementation-section__content {
    text-align: center;
}

.implementation-section__content h2 {
    color: var(--color-navy-dark);
    margin-bottom: var(--space-md);
}

.implementation-section__content p {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.implementation-section__content .btn {
    margin-top: var(--space-md);
}

/* Closing Section */
.closing-section {
    background: var(--color-navy-dark);
    padding: var(--space-xl) 0;
    color: var(--color-paper);
}

.closing-section__content {
    text-align: center;
}

.closing-section__content h2 {
    color: var(--color-paper);
    margin-bottom: var(--space-md);
}

.closing-section__content p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-sm);
}

/* CTA Section */
.cta-section {
    background: var(--color-paper);
    padding: var(--space-xl) 0;
}

.cta-section__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.cta-card {
    padding: var(--space-lg);
    background: var(--color-paper-warm);
    border: 1px solid var(--color-line);
    border-radius: 4px;
    text-align: center;
    transition: all 0.3s ease;
    display: block;
}

.cta-card:hover {
    border-color: var(--color-navy);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(26, 54, 93, 0.1);
}

.cta-card__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-md);
    background: var(--color-navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-paper);
}

.cta-card h3 {
    color: var(--color-navy-dark);
    font-size: 1.15rem;
    margin-bottom: var(--space-xs);
    transition: color 0.2s ease;
}

.cta-card:hover h3 {
    color: var(--color-navy);
}

.cta-card p {
    font-size: 0.9rem;
    margin: 0;
}

/* Framework Page Responsive */
@media (max-width: 1024px) {
    .principle-section__grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .principle-section__visual {
        order: -1;
    }
    
    .principle-diagram {
        width: 220px;
        height: 220px;
    }
    
    .governance-section__grid {
        grid-template-columns: 1fr;
    }
    
    .governance-section__benefits {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .model-flow {
        gap: var(--space-xs);
    }
    
    .model-flow__item {
        padding: var(--space-xs);
    }
    
    .model-flow__icon {
        width: 40px;
        height: 40px;
    }
    
    .model-flow__icon svg {
        width: 20px;
        height: 20px;
    }
    
    .model-flow__label {
        font-size: 0.75rem;
    }
    
    .model-flow__arrow {
        font-size: 1rem;
    }
    
    .pillar-detail__header {
        flex-direction: column;
        text-align: center;
    }
    
    .pillar-detail__number {
        margin: 0 auto;
    }
    
    .governance-section__benefits {
        grid-template-columns: 1fr 1fr;
    }
    
    .serves-grid,
    .cta-section__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .governance-section__benefits {
        grid-template-columns: 1fr;
    }
    
    .model-flow__arrow {
        display: none;
    }
    
    .model-flow {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-sm);
    }
    
    .model-flow__item:nth-child(8) {
        grid-column: 2 / 4;
    }
}

/* =====================================================
   Animations
   ===================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.02); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(26, 54, 93, 0.3); }
    50% { box-shadow: 0 0 40px rgba(26, 54, 93, 0.5); }
}

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 1024px) {
    .hero__grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .hero__visual {
        order: -1;
    }
    
    .clarity-diagram {
        max-width: 320px;
    }
    
    .pillars {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pillars .pillar:nth-child(4),
    .pillars .pillar:nth-child(5) {
        grid-column: span 1;
    }
    
    .about__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about__image {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .map-section__inner {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .map-section__image {
        order: -1;
    }
}

@media (max-width: 768px) {
    section {
        padding: var(--space-lg) 0;
    }
    
    .problem__grid,
    .process__steps,
    .audience__grid,
    .thinking__articles {
        grid-template-columns: 1fr;
    }
    
    .pillars {
        grid-template-columns: 1fr 1fr;
    }
    
    .process__steps::before {
        display: none;
    }
    
    .footer__inner {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .form__row {
        grid-template-columns: 1fr;
    }
    
    .contact__form-wrapper {
        padding: var(--space-md);
    }
}

@media (max-width: 480px) {
    .pillars {
        grid-template-columns: 1fr;
    }
    
    .hero__ctas {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero--small {
        min-height: auto;
        padding-top: calc(var(--space-2xl) - var(--space-md));
        padding-bottom: var(--space-lg);
    }
}