/* ==========================================================================
   Design System & Variables
   ========================================================================== */
:root {
    /* Elite AI SaaS Dark Theme */
    --clr-bg-base: #0B1727;
    --clr-bg-surface: rgba(255, 255, 255, 0.03);
    --clr-bg-surface-hover: rgba(255, 255, 255, 0.08);

    --clr-text-main: #FFFFFF;
    --clr-text-muted: #A1A1AA;

    /* Enterprise Electric Accents */
    --clr-accent-primary: #38bdf8;
    --clr-accent-secondary: #818cf8;

    /* Elite Glowing Gradient (Cyan -> Royal Blue -> Deep Indigo) */
    --brand-gradient: linear-gradient(135deg, #0ea5e9, #3b82f6, #4f46e5);

    --clr-border: rgba(255, 255, 255, 0.1);
    --clr-ai-glow: rgba(56, 189, 248, 0.15);
    --clr-section-tint: #0B1727;

    --box-shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.6);

    /* Typography */
    --font-main: 'Outfit', sans-serif;

    /* System */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-pill: 9999px;

    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.23, 1, 0.32, 1);

    --container-max-width: 1200px;
    --section-spacing: 120px;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--clr-bg-base);
    color: var(--clr-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Base Ambient Mesh Glow */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    z-index: -3; /* behind the grid */
    background: radial-gradient(circle at 30% 20%, rgba(56, 189, 248, 0.18), transparent 45%),
                radial-gradient(circle at 70% 60%, rgba(99, 102, 241, 0.18), transparent 45%),
                radial-gradient(circle at 40% 80%, rgba(16, 185, 129, 0.12), transparent 45%),
                radial-gradient(circle at 80% 20%, rgba(79, 70, 229, 0.15), transparent 45%);
    filter: blur(90px);
    pointer-events: none;
    animation: glowDrift 20s ease-in-out infinite alternate;
}

@keyframes glowDrift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-3%, 3%) scale(1.05); }
}

/* Custom Selection */
::selection {
    background-color: var(--clr-accent-secondary);
    color: #FFFFFF;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 500;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
}

.text-gradient {
    background-image: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.logo img, .footer-brand img {
    filter: brightness(0) invert(1);
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}
.hero-content img {
    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.2));
    background: transparent;
    padding: 0;
}
.leader-photo img { 
    filter: none !important; 
    background: transparent;
    padding: 0;
    box-shadow: none;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    color: var(--clr-text-main);
    font-weight: 700;
}

.section-kicker {
    display: block;
    font-size: 0.95rem;
    color: var(--clr-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.section-lead {
    font-size: 1.25rem;
    color: var(--clr-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Interactive Background & Spotlight
   ========================================================================== */
#ai-pulse-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -3;
    /* Behind everything */
    pointer-events: none;
    opacity: 0.5;
}

#ambient-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-image:
        linear-gradient(rgba(46, 114, 223, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(46, 114, 223, 0.08) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.8;
    mask-image: linear-gradient(to bottom, var(--clr-bg-base) 10%, transparent 90%);
    -webkit-mask-image: linear-gradient(to bottom, var(--clr-bg-base) 10%, transparent 90%);
}

#mouse-spotlight {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            var(--clr-ai-glow),
            transparent 40%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

body.mouse-active #mouse-spotlight {
    opacity: 1;
}

/* Parallax Shapes */
.parallax-shape {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -4;
    pointer-events: none;
    opacity: 0.15;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--clr-accent-primary);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--clr-accent-secondary);
    bottom: -50px;
    left: -50px;
}

.shape-3 {
    width: 500px;
    height: 500px;
    background: #55CBFF;
    top: 40%;
    right: 20%;
}

/* ==========================================================================
   Components
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: var(--border-radius-pill);
    font-weight: 500;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
    backdrop-filter: blur(10px);
}

.primary-btn {
    background: var(--brand-gradient);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(46, 114, 223, 0.3), 0 0 0 2px rgba(56, 224, 255, 0.1);
}

.primary-btn:hover {
    box-shadow: 0 6px 20px rgba(56, 224, 255, 0.4);
    transform: translateY(-2px);
}

.secondary-btn {
    background-color: transparent;
    border: 1px solid var(--clr-border);
    color: var(--clr-text-main);
}

.secondary-btn:hover {
    background-color: var(--clr-bg-surface);
    border-color: var(--clr-text-muted);
}

.hover-link {
    position: relative;
    color: var(--clr-text-muted);
    transition: var(--transition-fast);
}

.hover-link:hover {
    color: var(--clr-text-main);
}

.hover-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--clr-accent-primary);
    transition: var(--transition-smooth);
}

.hover-link:hover::after {
    width: 100%;
}

/* Interactive Cards - The Antigravity Effect Focus */
.interactive-card {
    background: var(--clr-bg-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.interactive-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(56, 224, 255, 0.2),
            transparent 80%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 1;
}

.interactive-card:hover::before {
    opacity: 1;
}

.interactive-card:hover {
    transform: translateY(-8px) scale(1.01);
    border-color: var(--clr-accent-secondary);
    box-shadow: 0 20px 40px rgba(46, 114, 223, 0.12), 0 0 20px rgba(56, 224, 255, 0.1);
}

/*
.interactive-card:hover::before {
    opacity: 1;
}
*/

.interactive-card>* {
    position: relative;
    z-index: 2;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: transform 0.4s var(--transition-smooth), background-color var(--transition-fast), padding var(--transition-fast), border-color var(--transition-fast), backdrop-filter var(--transition-fast);
}

.navbar.scrolled {
    background: rgba(11, 23, 39, 0.85); /* Matches Deep Cyan base */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 1rem 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.logo-accent {
    color: var(--clr-accent-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

/* ==========================================================================
   Hero Section — World-Class, Typography-First
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 160px 0 80px;
    text-align: center;
    overflow: hidden;
}

.hero-content {
    max-width: 820px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    border-radius: var(--border-radius-pill);
    background: var(--clr-bg-surface);
    border: 1px solid var(--clr-border);
    color: var(--clr-accent-primary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 2.5rem;
}

.hero-section h1 {
    font-size: clamp(3rem, 7vw, 5rem);
    font-weight: 700;
    line-height: 1.08;
    margin-bottom: 1.5rem;
    color: var(--clr-text-main);
    letter-spacing: -0.03em;
}

.hero-section h1 .accent {
    color: var(--clr-accent-primary);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--clr-text-muted);
    max-width: 560px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Hero Showcase Image — Below the fold */
.hero-showcase {
    margin-top: 4rem;
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
}
.hero-showcase img {
    max-width: 90%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 25px 60px rgba(0,0,0,0.08);
}

/* Remove old two-column hero grid */
.hero-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.hero-visual {
    display: none;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.5;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 1px solid var(--clr-text-muted);
    border-radius: 12px;
    display: block;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--clr-text-muted);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        top: 6px;
        opacity: 1;
    }

    100% {
        top: 20px;
        opacity: 0;
    }
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
    padding: var(--section-spacing) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    color: var(--clr-text-muted);
}

.about-text p:first-of-type {
    color: var(--clr-text-main);
    font-size: 1.25rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: var(--clr-bg-surface);
    border: 1px solid var(--clr-border);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-md);
    text-align: center;
    box-shadow: 0 10px 30px rgba(46, 114, 223, 0.05);
    transition: transform var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--clr-accent-secondary);
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--clr-accent-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--clr-text-muted);
}

/* ==========================================================================
   Solutions Section
   ========================================================================== */
.solutions-section {
    padding: var(--section-spacing) 0;
    background-color: var(--clr-section-tint);
    /* Light blue tint to reduce clinical feel */
    position: relative;
}

/* Top soft fade */
.solutions-section::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--clr-bg-surface));
    pointer-events: none;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.solution-card {
    display: flex;
    flex-direction: column;
}

.solution-card .card-icon {
    width: 60px;
    height: 60px;
    background: rgba(56, 224, 255, 0.1);
    /* Electric blue brand tint */
    border: 1px solid rgba(56, 224, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--clr-accent-primary);
}

/* SVG sizes */
.solution-card .card-icon svg {
    width: 28px;
    height: 28px;
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.solution-card p {
    color: var(--clr-text-muted);
    flex-grow: 1;
}

/* ==========================================================================
   Leadership Section
   ========================================================================== */
.leadership-section {
    padding: var(--section-spacing) 0;
}

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.leader-card {
    padding: 2.5rem 2rem;
    text-align: center;
}

.leader-photo {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--clr-bg-surface-hover);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.leader-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.leader-card:hover .leader-photo img {
    transform: scale(1.1);
}

.leader-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.2rem;
    color: var(--clr-text-main);
}

.leader-card .role {
    display: block;
    font-size: 0.9rem;
    color: var(--clr-accent-primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.leader-card p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
    padding: 4rem 0 8rem;
}



.cta-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-container p {
    color: var(--clr-text-muted);
    margin-bottom: 2.5rem;
    font-size: 1.15rem;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

.input-group {
    display: flex;
    gap: 1rem;
}

.input-group input {
    flex-grow: 1;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--clr-border);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-pill);
    color: var(--clr-text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    outline: none;
}

.input-group input:focus {
    border-color: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    border-top: 1px solid var(--clr-border);
    padding: 4rem 0 2rem;
    background: var(--clr-bg-surface);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--clr-text-muted);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--clr-text-muted);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--clr-text-main);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--clr-text-muted);
    font-size: 0.85rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
    will-change: transform, opacity;
}

.fade-up.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger initial hero animations */
.hero-content .delay-1 {
    transition-delay: 0.1s;
}

.hero-content .delay-2 {
    transition-delay: 0.2s;
}

.hero-content .delay-3 {
    transition-delay: 0.3s;
}

.hero-content .delay-4 {
    transition-delay: 0.6s;
}

/* ==========================================================================
   Vidyai Migrated Modules (Light Theme Adaptation)
   ========================================================================== */

/* 1. Metrics Bar */
.metrics-bar {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.02);
    padding: 2rem 3rem;
    margin: 3rem auto 0;
    max-width: 1000px;
}
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}
.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--clr-text-main);
    line-height: 1;
    margin-bottom: 0.5rem;
}
.metric-label {
    font-size: 0.9rem;
    color: var(--clr-text-muted);
}
.pill-tags-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    padding-top: 2rem;
    border-top: 1px solid var(--clr-border);
}
.pill-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--clr-text-main);
    font-size: 0.85rem;
    padding: 0.4rem 1rem;
    border-radius: var(--border-radius-pill);
    font-weight: 500;
}
.pill-tag.active {
    background: var(--brand-gradient);
    color: #fff;
    border: none;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
}

/* 2. Interactive Demo Split Pane */
.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 4rem auto 0;
    max-width: 1100px;
}
.demo-pane {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5), inset 0 0 40px rgba(255, 255, 255, 0.01);
    position: relative;
    text-align: left;
}
.demo-header {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--clr-text-muted);
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.demo-chat-bubble {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    width: fit-content;
    max-width: 85%;
}
.demo-chat-bubble.ai {
    background: var(--brand-gradient);
    color: #fff;
    border: none;
    box-shadow: 0 0 25px rgba(56, 189, 248, 0.3);
    margin-left: auto;
}
.demo-math {
    font-family: monospace;
    font-size: 1.05rem;
    line-height: 2;
}
.voice-active-indicator {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
    font-size: 0.75rem;
    padding: 0.3rem 0.8rem;
    border-radius: var(--border-radius-pill);
    border: 1px solid rgba(16, 185, 129, 0.2);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.voice-dot {
    width: 6px;
    height: 6px;
    background: #10B981;
    border-radius: 50%;
}

/* 3. Scale Bottleneck Interactive Card */
.bottleneck-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.bottleneck-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5), inset 0 0 40px rgba(255, 255, 255, 0.02);
}
.bottleneck-big-stat {
    font-size: 3rem;
    font-weight: 800;
    color: var(--clr-text-main);
    line-height: 1;
}
.bottleneck-quote {
    font-style: italic;
    color: var(--clr-text-muted);
    border-left: 3px solid var(--clr-accent-primary);
    padding-left: 1.5rem;
    margin: 2rem 0;
}

/* 4. Timeline (How It Works) */
.timeline-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 6rem;
    position: relative;
}
.timeline-step {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    text-align: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.6);
}
.step-number {
    width: 64px;
    height: 64px;
    background: var(--brand-gradient);
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    margin: -4rem auto 1.5rem;
    box-shadow: 0 10px 20px rgba(29, 78, 216, 0.2);
}
.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.step-desc {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    min-height: 80px;
}

/* 5. FAQ Accordion */
.faq-container {
    max-width: 800px;
    margin: 3rem auto 0;
}
.faq-item {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.4);
}
.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--clr-text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
}
.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--clr-text-muted);
}
.faq-item.active .faq-question::after {
    content: '−';
}
.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: rgba(29, 78, 216, 0.02);
    color: var(--clr-text-muted);
}
.faq-item.active .faq-answer {
    padding: 0 2rem 1.5rem;
    max-height: 500px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 900px) {

    .about-grid,
    .cards-grid,
    .leadership-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
        /* Mobile menu needed for complete app */
    }

    .section-spacing {
        padding: 80px 0;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .input-group {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}