/* ==========================================================================
   Design System & Variables - Vertige Investment Group
   ========================================================================== */
:root {
    /* Colors - Clean White Aesthetic */
    --bg-main: #ffffff;
    /* Clean white background */
    --bg-card: #ffffff;
    --bg-card-hover: #fafafa;

    --text-main: #1f2937;
    /* Very dark gray */
    --text-muted: #4b5563;
    /* Medium-dark gray */

    /* Primary Colors */
    --brand-indigo: #0a192f;
    /* Darker, more prominent blue */
    --brand-gold: #e5b072;
    --brand-indigo-light: #112240;

    /* Background & Surface */
    --bg-main: #ffffff;
    --bg-card: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.95);

    /* Text Colors */
    --text-main: #1f2937;
    /* Very dark gray */
    --text-muted: #4b5563;
    /* Medium-dark gray */

    /* Brand Colors (Derived from the attached logo) */
    --brand-blue: #637be6;
    /* Blue nodes from top of logo */

    --accent-primary: var(--brand-blue);
    --accent-secondary: var(--brand-gold);

    --gradient-text: linear-gradient(to bottom, var(--brand-blue), var(--brand-gold));

    --border-color: rgba(0, 0, 0, 0.08);
    /* Subtle border */
    --glass-bg: rgba(255, 255, 255, 0.95);
    /* Frosty light topnav */
    --glass-border: transparent;
    /* Removed faint line separating navbar */

    /* Typography */
    --font-heading: 'Google Sans Flex', 'Google Sans', 'Google Sans Display', 'Product Sans', 'Figtree', -apple-system, sans-serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing & Layout - Full Width */
    --container-width: 100%;
    /* Spans full page */
    --section-padding: 6rem 5%;
    /* Percentage-based padding for full-width breathing room */

    /* Animation */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

/* ==========================================================================
   Antigravity Background Engine
   ========================================================================== */
#antigravity-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    background-color: var(--bg-main);
    box-shadow: none !important;
    /* Force off any inherited or implicit edge shadow */
}

/* ==========================================================================
   Typography & Links
   ========================================================================== */
a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--brand-indigo);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    width: 100%;
    padding-left: 5%;
    padding-right: 5%;
}

/* Utilities */
.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    /* Professional square-ish edges */
    font-weight: 500;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.btn-primary {
    background: var(--brand-indigo);
    color: white;
}

.btn-primary:hover {
    background: #000;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--brand-indigo);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--brand-indigo);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    /* padding: 1.25rem 5%; REMOVED THIS to let the container inner handle horizontal padding so it precisely matches hero-content */
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

/* Class to hide navbar */
.navbar.nav-hidden {
    transform: translateY(-100%);
}

.nav-container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    gap: 3rem;
    padding-left: 5%;
    padding-right: 5%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-family: var(--font-heading);
    color: var(--brand-indigo);
    flex-shrink: 0;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo-text-primary {
    color: var(--brand-indigo);
    font-size: 1.75rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    line-height: 1;
    text-transform: uppercase;
}

.logo-text-secondary {
    color: var(--brand-indigo);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    line-height: 1;
    text-transform: uppercase;
    margin-top: 0.25rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    margin-right: auto;
    /* Push any right-side elements (like CTA) away */
}

.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: #000000;
    /* Font is now explicitly black */
    position: relative;
}

.nav-links a.active,
.nav-links a:hover {
    color: var(--brand-indigo);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-gold);
    transition: width var(--transition-base);
}

.nav-links a.active::after,
.nav-links a:hover::after {
    width: 100%;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding-top: 140px;
    z-index: 10;
}

.hero-content {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left !important;
    margin: 0;
    /* Remove auto margins to flush left */
}

/* Ensure child elements don't auto-center */
.hero-content>* {
    margin-left: 0 !important;
    margin-right: auto !important;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    background: rgba(46, 26, 71, 0.05);
    border: 1px solid var(--border-color);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--brand-indigo);
    margin-bottom: 2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 4.5vw, 4rem);
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 650px;
    margin-bottom: 3rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* ==========================================================================
   Base Shared Grid Elements
   ========================================================================== */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    /* Professional sharp corners */
    padding: 3rem 2.5rem;
    transition: all var(--transition-base);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(46, 26, 71, 0.15);
    border-color: rgba(46, 26, 71, 0.2);
}

.card-icon-svg {
    width: 32px;
    height: 32px;
    fill: none;
    stroke: var(--brand-gold);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   Page Wrappers 
   ========================================================================== */
.page-wrapper {
    padding-top: 120px;
    min-height: 60vh;
    padding-bottom: var(--section-padding);
}

.page-header {
    margin-bottom: 4rem;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ==========================================================================
   Institutional / Editorial Layouts (Bank Aesthetic)
   ========================================================================== */
.institutional-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 2px solid var(--brand-indigo);
    border-bottom: 2px solid var(--brand-indigo);
    margin-top: 2rem;
    margin-bottom: 6rem;
}

.institutional-card {
    padding: 3.5rem 2.5rem;
    border-right: 1px solid rgba(10, 25, 47, 0.15);
    /* very faint indigo border */
    display: flex;
    flex-direction: column;
}

.institutional-card:last-child {
    border-right: none;
}

.institutional-card h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    font-weight: 400;
    color: var(--brand-indigo);
}

.institutional-card p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

.editorial-section {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.editorial-row {
    display: flex;
    border-top: 1px solid rgba(10, 25, 47, 0.15);
    padding: 4rem 0;
    align-items: flex-start;
    gap: 4rem;
}

.editorial-row:last-child {
    border-bottom: 1px solid rgba(10, 25, 47, 0.15);
}

.editorial-col-title {
    flex: 0 0 35%;
}

.editorial-col-title h3 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 300;
    color: var(--brand-indigo);
    margin: 0;
    line-height: 1.2;
}

.editorial-col-title .editorial-num {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.editorial-col-content {
    flex: 1;
}

.editorial-col-content p {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin: 0;
    font-weight: 400;
}

.editorial-row-reverse {
    flex-direction: row-reverse;
}

.editorial-col-content {
    position: relative;
    z-index: 1;
}

.editorial-watermark {
    position: absolute;
    top: -4rem;
    left: -2rem;
    font-size: 14rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: rgba(10, 25, 47, 0.03);
    /* barely visible massive numbers behind text */
    z-index: -1;
    line-height: 1;
    pointer-events: none;
    user-select: none;
}

.strategy-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2.5rem;
}

.strategy-tags span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--brand-indigo);
    background: rgba(10, 25, 47, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ==========================================================================
   Impact / Metrics Section (Eye-Popping)
   ========================================================================== */
.impact-section {
    background: linear-gradient(135deg, var(--brand-indigo) 0%, var(--brand-indigo-light) 100%);
    padding: 8rem 0;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

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

.impact-header h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

.impact-header p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    text-align: center;
}

.impact-stat {
    position: relative;
    padding: 2rem;
}

.impact-value {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 300;
    line-height: 1;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.impact-value .stat-accent {
    font-size: 3rem;
    color: var(--brand-gold);
    margin-top: 0.5rem;
    margin-left: 0.25rem;
}

.impact-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.impact-bar {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--brand-gold);
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.impact-stat.visible .impact-bar {
    width: 60px;
}

/* ==========================================================================
   Fund Page Specific
   ========================================================================== */
.fund-header-container {
    padding-bottom: 0;
    margin-bottom: 2rem;
}

.division-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
    margin-bottom: 6rem;
}

.division-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 3.5rem;
    position: relative;
}

.division-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--brand-indigo);
}

.division-card-quant::before {
    background: var(--brand-gold);
}

.division-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.division-header h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 300;
    color: var(--brand-indigo);
    margin: 0;
}

.division-header .div-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.division-card p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.division-tags {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.division-tags span {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    background: rgba(10, 25, 47, 0.05);
    color: var(--brand-indigo);
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   Fund Page - Performance & Process
   ========================================================================== */
.chart-wrapper {
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
    margin: 3rem 0;
}

.chart-container {
    position: relative;
    height: 50vh;
    width: 100%;
}

.chart-legend-custom {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.legend-color.fundamental-color {
    background: var(--brand-indigo);
}

.legend-color.quant-color {
    background: #3b82f6;
}

/* A crisp secondary blue */
.legend-color.sp500-color {
    background: var(--brand-gold);
}

.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 0 6rem 0;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 23px;
    /* centered on 48px marker, 24-1=23 */
    width: 2px;
    background-color: var(--brand-indigo);
    opacity: 0.15;
}

.timeline-step {
    position: relative;
    margin-bottom: 4rem;
    padding-left: 80px;
}

.timeline-step:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--brand-indigo);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    z-index: 2;
    box-shadow: 0 0 0 8px var(--bg-main);
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--brand-indigo);
    margin-bottom: 1rem;
    margin-top: 0.35rem;
    /* align with marker vertically */
}

.timeline-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {

    .nav-links,
    .nav-cta {
        display: none;
        /* In production, add a hamburger menu */
    }

    .hero-actions {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
    }

    .institutional-grid {
        grid-template-columns: 1fr;
        border-bottom: none;
        margin-bottom: 3rem;
    }

    .institutional-card {
        border-right: none;
        border-bottom: 1px solid rgba(10, 25, 47, 0.15);
        padding: 2.5rem 0;
    }

    .institutional-card:last-child {
        border-bottom: 2px solid var(--brand-indigo);
    }

    .editorial-row {
        flex-direction: column;
        gap: 1.5rem;
        padding: 3rem 0;
    }

    .editorial-col-title {
        flex: none;
        width: 100%;
    }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--brand-indigo);
    border-top: none;
    padding: 5rem 5% 2rem;
    margin-top: 6rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 4rem;
    margin-bottom: 4rem;
    max-width: var(--container-width);
    margin: 0 auto 4rem auto;
}

.footer-logo-col {
    flex: 0 0 350px;
}

.footer-logo-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.2rem;
    font-size: 0.95rem;
}

.footer-logo-col p a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-logo-col p a:hover {
    color: var(--brand-gold);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-family: var(--font-heading);
    color: #ffffff;
    margin-top: -16px;
    /* Shifted up further to bottom-align with adjacent h4 text */
    margin-bottom: 2rem;
    text-decoration: none;
}

.footer-logo img {
    height: 48px;
    width: auto;
}

.footer-logo .logo-text-primary,
.footer-logo .logo-text-secondary {
    color: #ffffff !important;
}

.footer-links-wrapper {
    flex: 1;
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-col {
    flex: 1;
    min-width: 150px;
}

.footer-col h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    color: #ffffff;
    font-weight: 600;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-base);
    font-size: 0.95rem;
    display: block;
    margin-bottom: 0.75rem;
}

.footer-col a:hover {
    color: var(--brand-gold);
    text-decoration: underline;
}

.footer-socials {
    display: flex;
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.footer-col .footer-socials a {
    display: inline-flex;
    margin-bottom: 0;
    transition: all var(--transition-base);
}

.footer-col .footer-socials a:hover {
    text-decoration: none;
    transform: translateY(-3px);
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    max-width: var(--container-width);
    margin: 0 auto;
}

.footer-legal-links {
    display: flex;
    gap: 1.75rem;
    flex-wrap: wrap;
}

.footer-legal-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color var(--transition-base);
}

.footer-legal-links a:hover {
    color: var(--brand-gold);
}

.footer-copy {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}