/* ============================================
   ECONOMICS & AI FOR EARTH - DESIGN SYSTEM
   Professional Multi-Page Website Styles
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Color Palette */
    --deep-ocean: #0A2540;
    --navy-mid: #163B5C;
    --forest: #1B4332;
    --sage: #40916C;
    --mint: #52B788;
    --glow: #95D5B2;
    --light: #D8F3DC;
    --cream: #F8FAF9;
    --white: #FFFFFF;
    --gold: #E8B931;
    --gold-dark: #C9A227;
    --gold-light: #F5D76E;
    
    /* Text Colors */
    --text-primary: #0A2540;
    --text-secondary: rgba(10, 37, 64, 0.7);
    --text-tertiary: rgba(10, 37, 64, 0.5);
    --text-on-dark: #FFFFFF;
    --text-on-dark-secondary: rgba(255, 255, 255, 0.8);
    --text-on-dark-tertiary: rgba(255, 255, 255, 0.6);
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Font Sizes */
    --text-xs: 0.75rem;     /* 12px */
    --text-sm: 0.875rem;    /* 14px */
    --text-base: 1rem;      /* 16px */
    --text-lg: 1.125rem;    /* 18px */
    --text-xl: 1.25rem;     /* 20px */
    --text-2xl: 1.5rem;     /* 24px */
    --text-3xl: 1.875rem;   /* 30px */
    --text-4xl: 2.25rem;    /* 36px */
    --text-5xl: 3rem;       /* 48px */
    --text-6xl: 3.75rem;    /* 60px */
    --text-7xl: 4.5rem;     /* 72px */
    
    /* Spacing Scale */
    --space-1: 0.25rem;     /* 4px */
    --space-2: 0.5rem;      /* 8px */
    --space-3: 0.75rem;     /* 12px */
    --space-4: 1rem;        /* 16px */
    --space-5: 1.25rem;     /* 20px */
    --space-6: 1.5rem;      /* 24px */
    --space-8: 2rem;        /* 32px */
    --space-10: 2.5rem;     /* 40px */
    --space-12: 3rem;       /* 48px */
    --space-16: 4rem;       /* 64px */
    --space-20: 5rem;       /* 80px */
    --space-24: 6rem;       /* 96px */
    --space-32: 8rem;       /* 128px */
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.05);
    --shadow-md: 0 4px 6px rgba(10, 37, 64, 0.07), 0 2px 4px rgba(10, 37, 64, 0.06);
    --shadow-lg: 0 10px 15px rgba(10, 37, 64, 0.1), 0 4px 6px rgba(10, 37, 64, 0.05);
    --shadow-xl: 0 20px 25px rgba(10, 37, 64, 0.1), 0 10px 10px rgba(10, 37, 64, 0.04);
    --shadow-2xl: 0 25px 50px rgba(10, 37, 64, 0.15);
    --shadow-inner: inset 0 2px 4px rgba(10, 37, 64, 0.06);
    --shadow-gold: 0 4px 14px rgba(232, 185, 49, 0.35);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-slower: 500ms ease;
    
    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    
    /* Container */
    --container-max: 1200px;
    --container-wide: 1400px;
    --container-narrow: 800px;
}

/* ============================================
   CSS RESET & BASE
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--cream);
    overflow-x: hidden;
}

img, video, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

ul, ol {
    list-style: none;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--mint);
    color: var(--deep-ocean);
}

/* ============================================
   SKIP LINK (Accessibility)
   ============================================ */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-3) var(--space-6);
    background: var(--deep-ocean);
    color: var(--white);
    font-weight: 600;
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl)); }
h2 { font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); }
h3 { font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.text-display {
    font-family: var(--font-display);
}

.text-mono {
    font-family: var(--font-mono);
}

.text-italic {
    font-style: italic;
}

.text-accent {
    color: var(--sage);
}

.text-gold {
    color: var(--gold);
}

.text-white {
    color: var(--white);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Label/Eyebrow */
.label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gold);
}

.label--dark {
    color: var(--glow);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

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

section {
    padding: var(--space-24) 0;
}

.section--sm {
    padding: var(--space-16) 0;
}

.section--lg {
    padding: var(--space-32) 0;
}

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================
   SECTION BACKGROUNDS
   ============================================ */
.bg-cream { background-color: var(--cream); }
.bg-white { background-color: var(--white); }
.bg-light { background-color: var(--light); }
.bg-deep-ocean { background-color: var(--deep-ocean); color: var(--text-on-dark); }
.bg-forest { background-color: var(--forest); color: var(--text-on-dark); }
.bg-gold { background-color: var(--gold); color: var(--deep-ocean); }

.bg-gradient-hero {
    background: linear-gradient(135deg, var(--cream) 0%, var(--light) 50%, var(--cream) 100%);
}

.bg-gradient-dark {
    background: linear-gradient(135deg, var(--deep-ocean) 0%, var(--navy-mid) 100%);
}

.bg-gradient-forest {
    background: linear-gradient(135deg, var(--forest) 0%, var(--sage) 100%);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Primary Button - Gold */
.btn--primary {
    background: var(--gold);
    color: var(--deep-ocean);
    box-shadow: var(--shadow-sm);
}

.btn--primary:hover:not(:disabled) {
    background: var(--gold-dark);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.btn--primary:active:not(:disabled) {
    transform: translateY(0);
}

/* Secondary Button - Outlined */
.btn--secondary {
    background: transparent;
    color: var(--deep-ocean);
    border: 2px solid var(--deep-ocean);
}

.btn--secondary:hover:not(:disabled) {
    background: var(--deep-ocean);
    color: var(--white);
}

/* Secondary Light - For dark backgrounds */
.btn--secondary-light {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn--secondary-light:hover:not(:disabled) {
    background: var(--white);
    color: var(--deep-ocean);
}

/* Ghost Button - Text only */
.btn--ghost {
    background: transparent;
    color: var(--deep-ocean);
    padding: var(--space-2) 0;
    position: relative;
}

.btn--ghost::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width var(--transition-base);
}

.btn--ghost:hover::after {
    width: 100%;
}

.btn--ghost-light {
    color: var(--white);
}

.btn--ghost-light::after {
    background: var(--gold);
}

/* Button Sizes */
.btn--sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

/* Button with arrow */
.btn--arrow::after {
    content: '→';
    margin-left: var(--space-2);
    transition: transform var(--transition-fast);
}

.btn--arrow:hover::after {
    transform: translateX(4px);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-4) 0;
    transition: all var(--transition-base);
}

.nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(248, 250, 249, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.nav.scrolled::before {
    opacity: 1;
}

.nav.scrolled {
    padding: var(--space-3) 0;
    box-shadow: var(--shadow-sm);
}

/* Light nav variant for pages with dark hero backgrounds */
.nav--light .nav__logo,
.nav--light .nav__link {
    color: var(--white);
}

.nav--light .nav__link:hover {
    color: var(--glow);
}

.nav--light .nav__toggle-bar {
    background: var(--white);
}

/* Revert to dark text once scrolled (light backdrop kicks in) */
.nav--light.scrolled .nav__logo {
    color: var(--deep-ocean);
}

.nav--light.scrolled .nav__link {
    color: var(--text-primary);
}

.nav--light.scrolled .nav__link:hover {
    color: var(--sage);
}

.nav--light.scrolled .nav__toggle-bar {
    background: var(--deep-ocean);
}

/* Light nav: make secondary button visible on dark backgrounds */
.nav--light .btn--secondary {
    color: var(--white);
    border-color: var(--white);
}

.nav--light .btn--secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
}

/* Revert secondary button when scrolled */
.nav--light.scrolled .btn--secondary {
    color: var(--deep-ocean);
    border-color: var(--deep-ocean);
}

.nav--light.scrolled .btn--secondary:hover {
    background: var(--deep-ocean);
    color: var(--white);
}

.nav__container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--deep-ocean);
    z-index: 1;
}

.nav__logo-accent {
    color: var(--sage);
    font-style: italic;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav__link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--mint);
    transition: width var(--transition-base);
}

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

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Mobile Navigation Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    z-index: var(--z-modal);
}

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background: var(--deep-ocean);
    transition: all var(--transition-base);
}

.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 Overlay */
.nav__mobile {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--white);
    padding: var(--space-24) var(--space-6) var(--space-6);
    flex-direction: column;
    z-index: var(--z-modal-backdrop);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

.nav__mobile.active {
    transform: translateX(0);
}

.nav__mobile .nav__link {
    font-size: var(--text-2xl);
    font-family: var(--font-display);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--light);
}

.nav__mobile .nav__actions {
    margin-top: auto;
    flex-direction: column;
    gap: var(--space-4);
}

.nav__mobile .btn {
    width: 100%;
}

/* ============================================
   HERO SECTIONS
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--space-24);
    position: relative;
    overflow: hidden;
}

.hero--short {
    min-height: 50vh;
}

.hero--medium {
    min-height: 70vh;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero__content {
    max-width: 600px;
}

.hero__eyebrow {
    margin-bottom: var(--space-4);
}

.hero__title {
    margin-bottom: var(--space-6);
}

.hero__title-line {
    display: block;
}

.hero__title-accent {
    color: var(--sage);
    font-style: italic;
}

.hero__tagline {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.hero__description {
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
}

.hero__actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
    flex-wrap: wrap;
}

.hero__badges {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.hero__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   BADGES & PILLS
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--white);
    border: 1px solid var(--light);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.badge__icon {
    font-size: var(--text-lg);
}

.pill {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--light);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pill--gold {
    background: var(--gold);
    color: var(--deep-ocean);
}

.pill--sage {
    background: var(--sage);
    color: var(--white);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.card--elevated {
    box-shadow: var(--shadow-md);
}

.card--elevated:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card--outlined {
    background: transparent;
    border: 1px solid var(--light);
}

.card--outlined:hover {
    border-color: var(--glow);
    background: var(--white);
}

.card--glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card--dark {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card--dark:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--mint);
}

.card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light);
    border-radius: var(--radius-lg);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    transition: all var(--transition-base);
}

.card:hover .card__icon {
    background: var(--mint);
    transform: scale(1.05);
}

.card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.card__description {
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

.card__link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--sage);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: gap var(--transition-fast);
}

.card__link:hover {
    gap: var(--space-3);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-12);
}

.section-header--left {
    text-align: left;
    margin-left: 0;
}

.section-header__label {
    margin-bottom: var(--space-3);
}

.section-header__title {
    margin-bottom: var(--space-4);
}

.section-header__description {
    font-size: var(--text-lg);
}

/* Dark background variants */
.bg-deep-ocean .section-header__title,
.bg-forest .section-header__title {
    color: var(--white);
}

.bg-deep-ocean .section-header__description,
.bg-forest .section-header__description {
    color: var(--text-on-dark-secondary);
}

/* ============================================
   IMPACT TICKER / STATS
   ============================================ */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.stat {
    text-align: center;
}

.stat__number {
    font-family: var(--font-mono);
    font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat__label {
    font-size: var(--text-sm);
    color: var(--text-on-dark-secondary);
    max-width: 200px;
    margin: 0 auto;
}

/* ============================================
   ORBITAL SYSTEM (Hero Visual)
   ============================================ */
.orbital {
    position: relative;
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Ambient glow */
.orbital__glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 60%;
    background: radial-gradient(
        circle,
        rgba(82, 183, 136, 0.15) 0%,
        rgba(64, 145, 108, 0.08) 40%,
        transparent 70%
    );
    border-radius: 50%;
    filter: blur(30px);
    animation: orbital-breathe 4s ease-in-out infinite;
}

@keyframes orbital-breathe {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

/* Orbital rings — ellipses created with border on rotated circles */
.orbital__ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    border: 1px solid rgba(149, 213, 178, 0.2);
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}

.orbital__ring--1 {
    width: 85%;
    height: 85%;
    transform: translate(-50%, -50%) rotateX(65deg) rotateZ(0deg);
    animation: orbital-spin-1 25s linear infinite;
}

.orbital__ring--2 {
    width: 72%;
    height: 72%;
    transform: translate(-50%, -50%) rotateX(65deg) rotateZ(60deg);
    animation: orbital-spin-2 20s linear infinite;
    border-color: rgba(232, 185, 49, 0.2);
}

.orbital__ring--3 {
    width: 60%;
    height: 60%;
    transform: translate(-50%, -50%) rotateX(65deg) rotateZ(120deg);
    animation: orbital-spin-3 30s linear infinite;
    border-color: rgba(22, 59, 92, 0.3);
}

@keyframes orbital-spin-1 {
    from { transform: translate(-50%, -50%) rotateX(65deg) rotateZ(0deg); }
    to   { transform: translate(-50%, -50%) rotateX(65deg) rotateZ(360deg); }
}
@keyframes orbital-spin-2 {
    from { transform: translate(-50%, -50%) rotateX(65deg) rotateZ(60deg); }
    to   { transform: translate(-50%, -50%) rotateX(65deg) rotateZ(420deg); }
}
@keyframes orbital-spin-3 {
    from { transform: translate(-50%, -50%) rotateX(65deg) rotateZ(120deg); }
    to   { transform: translate(-50%, -50%) rotateX(65deg) rotateZ(480deg); }
}

/* Particles flowing along rings */
.orbital__particle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 8px rgba(82, 183, 136, 0.6), 0 0 20px rgba(82, 183, 136, 0.3);
}

.orbital__particle--1a {
    top: 0; left: 50%;
    animation: particle-orbit 25s linear infinite;
}
.orbital__particle--1b {
    bottom: 0; right: 50%;
    animation: particle-orbit 25s linear infinite 12.5s;
    background: var(--glow);
    width: 4px; height: 4px;
}
.orbital__particle--2a {
    top: 50%; right: 0;
    animation: particle-orbit 20s linear infinite;
    background: var(--gold);
    box-shadow: 0 0 8px rgba(232, 185, 49, 0.6), 0 0 20px rgba(232, 185, 49, 0.3);
}
.orbital__particle--2b {
    bottom: 50%; left: 0;
    animation: particle-orbit 20s linear infinite 10s;
    background: var(--gold-light);
    box-shadow: 0 0 8px rgba(245, 215, 110, 0.6);
    width: 4px; height: 4px;
}
.orbital__particle--3a {
    top: 0; left: 50%;
    animation: particle-orbit 30s linear infinite;
    background: var(--sage);
    box-shadow: 0 0 8px rgba(64, 145, 108, 0.6);
}
.orbital__particle--3b {
    bottom: 0; right: 50%;
    animation: particle-orbit 30s linear infinite 15s;
    background: var(--navy-mid);
    box-shadow: 0 0 8px rgba(22, 59, 92, 0.6);
    width: 4px; height: 4px;
}

@keyframes particle-orbit {
    /* Particles inherit rotation from parent ring, so they just sit on the ring edge */
    0%, 100% { opacity: 0.3; }
    25% { opacity: 1; }
    50% { opacity: 0.3; }
    75% { opacity: 1; }
}

/* Node labels — positioned around the orbital */
.orbital__node {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    z-index: 5;
    animation: node-float 6s ease-in-out infinite;
}

.orbital__node-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: block;
    position: relative;
}

.orbital__node-dot::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid;
    opacity: 0.4;
    animation: dot-ping 3s ease-in-out infinite;
}

.orbital__node-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
}

/* AI node — top right, sage/mint */
.orbital__node--ai {
    top: 8%;
    right: 8%;
    animation-delay: 0s;
}
.orbital__node--ai .orbital__node-dot {
    background: var(--mint);
    box-shadow: 0 0 12px rgba(82, 183, 136, 0.6);
}
.orbital__node--ai .orbital__node-dot::after {
    border-color: var(--mint);
}
.orbital__node--ai .orbital__node-label {
    color: var(--mint);
}

/* Economics node — bottom left, navy/deep-ocean */
.orbital__node--economics {
    bottom: 15%;
    left: 2%;
    animation-delay: 2s;
}
.orbital__node--economics .orbital__node-dot {
    background: var(--navy-mid);
    box-shadow: 0 0 12px rgba(22, 59, 92, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.3);
}
.orbital__node--economics .orbital__node-dot::after {
    border-color: rgba(22, 59, 92, 0.6);
}
.orbital__node--economics .orbital__node-label {
    color: var(--navy-mid);
}

/* Climate node — bottom right, gold */
.orbital__node--climate {
    bottom: 15%;
    right: 2%;
    animation-delay: 4s;
}
.orbital__node--climate .orbital__node-dot {
    background: var(--gold);
    box-shadow: 0 0 12px rgba(232, 185, 49, 0.6);
}
.orbital__node--climate .orbital__node-dot::after {
    border-color: var(--gold);
}
.orbital__node--climate .orbital__node-label {
    color: var(--gold-dark);
}

@keyframes node-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes dot-ping {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.5); opacity: 0; }
}

/* Central core */
.orbital__core {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orbital__core-inner {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--deep-ocean), var(--forest));
    border: 2px solid rgba(149, 213, 178, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 0 30px rgba(82, 183, 136, 0.15),
        0 0 60px rgba(10, 37, 64, 0.2),
        inset 0 0 30px rgba(82, 183, 136, 0.1);
}

.orbital__core-pulse {
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    border: 1px solid rgba(149, 213, 178, 0.2);
    animation: core-pulse 3s ease-in-out infinite;
}

.orbital__core-pulse::after {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    border: 1px solid rgba(232, 185, 49, 0.15);
    animation: core-pulse 3s ease-in-out infinite 1.5s;
}

@keyframes core-pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.15); opacity: 0; }
}

.orbital__core-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--white);
    text-align: center;
    line-height: 1.4;
}

/* Hover interaction */
.orbital:hover .orbital__ring {
    border-width: 2px;
}
.orbital:hover .orbital__ring--1 { border-color: rgba(149, 213, 178, 0.4); }
.orbital:hover .orbital__ring--2 { border-color: rgba(232, 185, 49, 0.4); }
.orbital:hover .orbital__ring--3 { border-color: rgba(22, 59, 92, 0.5); }
.orbital:hover .orbital__core-inner {
    box-shadow:
        0 0 40px rgba(82, 183, 136, 0.25),
        0 0 80px rgba(10, 37, 64, 0.3),
        inset 0 0 30px rgba(82, 183, 136, 0.15);
    border-color: rgba(149, 213, 178, 0.5);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .orbital__ring,
    .orbital__particle,
    .orbital__node,
    .orbital__glow,
    .orbital__core-pulse,
    .orbital__core-pulse::after {
        animation: none;
    }
}

/* ============================================
   RESEARCH TRACK CARDS
   ============================================ */
.research-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.research-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--mint);
    transform: translateY(-4px);
}

.research-card__number {
    font-family: var(--font-mono);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--gold);
    opacity: 0.8;
    line-height: 1;
    margin-bottom: var(--space-4);
}

.research-card__title {
    font-size: var(--text-lg);
    color: var(--white);
    margin-bottom: var(--space-2);
}

.research-card__description {
    font-size: var(--text-sm);
    color: var(--text-on-dark-secondary);
    margin-bottom: var(--space-4);
    flex-grow: 1;
}

.research-card__status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--glow);
}

.research-card__status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

/* ============================================
   PROGRAM CARDS
   ============================================ */
.program-card {
    position: relative;
    padding: var(--space-8);
    background: var(--white);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--mint), var(--sage));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.program-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

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

/* ============================================
   INSIGHT / BLOG CARDS
   ============================================ */
.insight-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid var(--light);
}

.insight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.insight-card__image {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--light), var(--glow));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.insight-card__content {
    padding: var(--space-6);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.insight-card__category {
    margin-bottom: var(--space-3);
}

.insight-card__title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
    line-height: 1.4;
}

.insight-card__excerpt {
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    flex-grow: 1;
}

.insight-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.insight-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.insight-card-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.insight-card-link:hover .insight-card {
    transform: none;
    box-shadow: none;
}

.insight-card-link .insight-card__read-link {
    font-weight: 600;
    color: var(--forest);
    transition: color var(--transition-base);
}

.insight-card-link:hover .insight-card__read-link {
    color: var(--deep-ocean);
}

/* ============================================
   TEAM CARDS
   ============================================ */
.team-card {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-8);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.team-card--vertical {
    flex-direction: column;
    text-align: center;
}

.team-card__avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--forest), var(--sage));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--white);
    flex-shrink: 0;
}

.team-headshot {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 3px solid var(--gold);
    flex-shrink: 0;
}

.team-card--vertical .team-card__avatar {
    margin: 0 auto;
}

.team-card__info {
    flex-grow: 1;
}

.team-card__name {
    font-size: var(--text-xl);
    margin-bottom: var(--space-1);
}

.team-card__title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--sage);
    margin-bottom: var(--space-4);
}

.team-card__bio {
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.team-card__credentials {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--light);
}

.team-card__credential {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    padding: var(--space-1) var(--space-2);
    background: var(--cream);
    border-radius: var(--radius-sm);
}

.team-card__links {
    display: flex;
    gap: var(--space-4);
}

.team-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--sage);
    transition: color var(--transition-fast);
}

.team-card__link:hover {
    color: var(--mint);
}

.team-card__link svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.form-label__required {
    color: var(--gold);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--white);
    border: 2px solid var(--light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--mint);
    box-shadow: 0 0 0 3px rgba(82, 183, 136, 0.15);
}

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

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%230A2540' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 20px;
    padding-right: var(--space-10);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

/* Dark form styles */
.bg-deep-ocean .form-label,
.bg-forest .form-label {
    color: var(--text-on-dark-secondary);
}

.bg-deep-ocean .form-input,
.bg-deep-ocean .form-textarea,
.bg-deep-ocean .form-select,
.bg-forest .form-input,
.bg-forest .form-textarea,
.bg-forest .form-select {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.bg-deep-ocean .form-input::placeholder,
.bg-forest .form-input::placeholder {
    color: var(--text-on-dark-tertiary);
}

/* ============================================
   NEWSLETTER FORM
   ============================================ */
.newsletter-form {
    display: flex;
    gap: var(--space-3);
    max-width: 450px;
}

.newsletter-form .form-input {
    flex-grow: 1;
}

.newsletter-form .btn {
    flex-shrink: 0;
}

/* ============================================
   ACCORDION / FAQ
   ============================================ */
.accordion {
    border-top: 1px solid var(--light);
}

.accordion__item {
    border-bottom: 1px solid var(--light);
}

.accordion__trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-6) 0;
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--text-primary);
    text-align: left;
    transition: color var(--transition-fast);
}

.accordion__trigger:hover {
    color: var(--sage);
}

.accordion__icon {
    font-size: var(--text-2xl);
    color: var(--sage);
    transition: transform var(--transition-base);
}

.accordion__item.active .accordion__icon {
    transform: rotate(45deg);
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion__item.active .accordion__content {
    max-height: 500px;
}

.accordion__body {
    padding-bottom: var(--space-6);
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.7;
}

.accordion__body a {
    color: var(--sage);
    text-decoration: underline;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--deep-ocean);
    color: var(--text-on-dark);
    padding: var(--space-16) 0 var(--space-6);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.footer__tagline {
    font-style: italic;
    color: var(--text-on-dark-secondary);
    margin-bottom: var(--space-6);
}

.footer__social {
    display: flex;
    gap: var(--space-3);
}

.footer__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.footer__social-link:hover {
    background: var(--mint);
    color: var(--deep-ocean);
    transform: translateY(-2px);
}

.footer__social-link svg {
    width: 20px;
    height: 20px;
}

.footer__column-title {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--glow);
    margin-bottom: var(--space-4);
}

.footer__links li {
    margin-bottom: var(--space-3);
}

.footer__link {
    font-size: var(--text-sm);
    color: var(--text-on-dark-secondary);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer__legal {
    font-size: var(--text-xs);
    color: var(--text-on-dark-tertiary);
}

.footer__legal-links {
    display: flex;
    gap: var(--space-4);
}

.footer__legal-link {
    font-size: var(--text-xs);
    color: var(--text-on-dark-tertiary);
    transition: color var(--transition-fast);
}

.footer__legal-link:hover {
    color: var(--mint);
}

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

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

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
}

.animate-fade-up.visible {
    animation: fadeUp 0.6s ease forwards;
}

.animate-stagger-1 { animation-delay: 0.1s; }
.animate-stagger-2 { animation-delay: 0.2s; }
.animate-stagger-3 { animation-delay: 0.3s; }
.animate-stagger-4 { animation-delay: 0.4s; }
.animate-stagger-5 { animation-delay: 0.5s; }

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Large Desktop */
@media (max-width: 1440px) {
    :root {
        --container-max: 1100px;
    }
}

/* Desktop */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__content {
        max-width: 100%;
    }
    
    .hero__actions {
        justify-content: center;
    }
    
    .hero__badges {
        justify-content: center;
    }
    
    .hero__visual {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet */
@media (max-width: 768px) {
    :root {
        --space-24: 4rem;
        --space-16: 3rem;
    }
    
    .nav__menu {
        display: none;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__mobile {
        display: flex;
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .team-card {
        flex-direction: column;
        text-align: center;
    }
    
    .team-card__avatar {
        margin: 0 auto;
    }
    
    .team-card__links {
        justify-content: center;
    }
    
    .team-card__credentials {
        justify-content: center;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__brand {
        max-width: 100%;
    }
    
    .footer__social {
        justify-content: center;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --space-24: 3rem;
        --space-16: 2.5rem;
        --space-12: 2rem;
    }
    
    .container {
        padding: 0 var(--space-4);
    }
    
    h1 {
        font-size: var(--text-3xl);
    }
    
    h2 {
        font-size: var(--text-2xl);
    }
    
    .btn {
        width: 100%;
    }
    
    .hero__actions {
        flex-direction: column;
    }
    
    .hero__badges {
        flex-direction: column;
        align-items: center;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ============================================
   ARTICLE PAGE STYLES
   ============================================ */

/* Back Link */
.article__back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    padding: var(--space-6) 0 var(--space-4);
    transition: color var(--transition-fast);
    letter-spacing: 0.01em;
}

.article__back:hover {
    color: var(--sage);
}

/* Article Hero */
.article__hero {
    background: linear-gradient(135deg, var(--deep-ocean) 0%, var(--navy-mid) 100%);
    color: var(--text-on-dark);
    padding: var(--space-12) 0 var(--space-12);
}

.article__hero-inner {
    max-width: 780px;
}

.article__category {
    margin-bottom: var(--space-4);
}

.article__title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 600;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: var(--space-6);
}

.article__summary {
    font-size: var(--text-lg);
    line-height: 1.7;
    color: var(--text-on-dark-secondary);
    margin-bottom: var(--space-6);
    font-style: italic;
    max-width: 720px;
}

.article__meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-on-dark-tertiary);
    font-weight: 500;
}

.article__meta-divider {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-on-dark-tertiary);
    flex-shrink: 0;
}

/* Article Body */
.article__body {
    max-width: 780px;
    margin: 0 auto;
    padding: var(--space-12) 0 var(--space-16);
}

.article__body p {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--space-6);
}

.article__body h2 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--deep-ocean);
    margin-top: var(--space-12);
    margin-bottom: var(--space-6);
    line-height: 1.3;
    font-weight: 600;
}

.article__body h2:first-child {
    margin-top: 0;
}

.article__body strong {
    font-weight: 600;
    color: var(--text-primary);
}

.article__body p strong:first-child {
    color: var(--deep-ocean);
}

.article__body hr {
    border: none;
    border-top: 1px solid var(--light);
    margin: var(--space-10) 0;
}

/* Pill variants for article categories */
.pill--deep-ocean {
    background: var(--deep-ocean);
    color: var(--white);
}

.pill--forest {
    background: var(--forest);
    color: var(--white);
}

/* Article hero pill overrides for dark background */
.article__hero .pill--gold {
    background: var(--gold);
    color: var(--deep-ocean);
}

.article__hero .pill--sage {
    background: var(--sage);
    color: var(--white);
}

.article__hero .pill--deep-ocean {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.article__hero .pill--forest {
    background: var(--mint);
    color: var(--deep-ocean);
}

/* Related Articles Section */
.article__related {
    background: var(--cream);
    padding: var(--space-16) 0;
}

.article__related-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
    text-align: center;
    margin-bottom: var(--space-10);
    color: var(--text-primary);
}

.article__related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

/* Article Responsive - Tablet */
@media (max-width: 768px) {
    .article__hero {
        padding: var(--space-8) 0 var(--space-10);
    }

    .article__title {
        font-size: var(--text-3xl);
    }

    .article__body {
        padding: var(--space-8) 0 var(--space-12);
    }

    .article__body p {
        font-size: var(--text-base);
        line-height: 1.75;
    }

    .article__body h2 {
        font-size: var(--text-xl);
        margin-top: var(--space-10);
    }

    .article__related-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .article__meta {
        flex-wrap: wrap;
        gap: var(--space-2);
    }
}

/* Article Responsive - Mobile */
@media (max-width: 480px) {
    .article__hero {
        padding: var(--space-6) 0 var(--space-8);
    }

    .article__title {
        font-size: var(--text-2xl);
    }

    .article__summary {
        font-size: var(--text-base);
    }

    .article__back {
        padding: var(--space-4) 0 var(--space-3);
    }
}

/* ============================================
   ARTICLE CARD IMAGES
   ============================================ */
/* Article Card Images */
.insight-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}