:root {
    /* Premium Colors (Figma Match) */
    --color-bg: #FFFFFF;
    --color-text-main: #0F172A;
    /* Slate 900 */
    --color-text-muted: #64748B;
    /* Slate 500 */
    --color-text-light: #94A3B8;
    /* Slate 400 */
    --color-border: #E2E8F0;
    /* Slate 200 */
    --color-surface: #F8FAFC;
    /* Slate 50 */

    /* Brand Colors */
    --color-accent: #2563EB;
    /* Vibrant Blue */
    --color-accent-hover: #1D4ED8;
    --color-dark-bg: #0B1120;
    /* Deep Night for Footer */

    /* Spacing System */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 32px;
    --space-6: 48px;
    --space-8: 64px;
    --space-12: 96px;
    --space-16: 128px;

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --h1: 3.5rem;
    /* 56px */
    --h2: 2.5rem;
    /* 40px */
    --h3: 1.25rem;
    /* 20px */
    --body-lg: 1.125rem;
    /* 18px */
    --body-base: 1rem;
    /* 16px */

    --container-width: 1200px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Elevated Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text-main);
    font-family: var(--font-family);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

/* Layout */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.grid {
    display: grid;
    gap: var(--space-4);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    /* Pill shape as usually preferred in modern designs */
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--font-size-sm);
    cursor: pointer;
    line-height: 1;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #fff;
    border: 1px solid var(--color-accent);
    box-shadow: 0 2px 10px rgba(0, 102, 255, 0.2);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--color-text-muted);
    background-color: var(--color-surface);
}

.btn-white {
    background-color: #fff;
    color: #0F172A;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-white:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Hero Image Banner Removed */

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
}

.logo i {
    background: linear-gradient(90deg, #0e6bee 30%, #01c000 30%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    padding-right: 10px;
    display: inline-block;
}

.logo .P {
    color: #0e6bee;
}

.logo .R {
    color: #01c000;
}

.logo img {
    width: 100%;
    height: auto;
    max-width: 200px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

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

.nav-links a:not(.btn):hover {
    color: var(--color-text-main);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    padding: var(--space-16) 0 350px;
    /* Extra padding at bottom to reveal the couple */
    text-align: center;
    background-image: url('../images/hero-couple.webp');
    background-size: cover;
    background-position: center 30%;
    background-repeat: no-repeat;
    background-color: #fff;
}

@media (max-width: 768px) {
    .hero {
        padding-bottom: 250px;
        background-position: 80% 20%;
        /* Shifted further to reveal the girl */
    }
}

.hero h1 {
    font-size: var(--h1);
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: var(--space-4);
    color: #0F172A;
    /* Solid dark color for better contrast */
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.8), 0 0 60px rgba(255, 255, 255, 1);
    /* Glow effect for readability */
}

.hero .responsibly {
    color: var(--color-accent);
    position: relative;
    z-index: 1;
}

.hero svg {
    fill: #7095c7;
    width: 100%;
    height: 0.58em;
    top: 66.666667%;
    left: 0px;
    position: absolute;
    display: block;
    vertical-align: middle;
    z-index: -1;
}

.hero .dot {
    right: 12px;
    position: relative;
    display: inline-block;
}

.hero-sub {
    /* Darkened for better readability and added glow */
    color: #0F172A;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.8), 0 0 40px rgba(255, 255, 255, 1);
    font-weight: 700;
    /* Bold as requested for readability */
    max-width: 640px;
    margin: 0 auto var(--space-8);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
}

/* Sections */
.section {
    padding: var(--space-12) 0;
}

.section-header {
    margin-bottom: var(--space-8);
}

.section-title {
    font-size: var(--h2);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: var(--space-2);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

/* Principles */
.principles-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.principle-card {
    padding: var(--space-2);
}

.principle-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.principle-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.icon-box {
    width: 48px;
    height: 48px;
    background: var(--color-surface);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-main);
    margin-bottom: 16px;
    border: 1px solid var(--color-border);
}

/* Stats */
.stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.stat-card {
    background: #fff;
    border: 1px solid var(--color-border);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-value {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -2px;
}

.stat-label {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* Promo Box Styles */
.promo-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 48px;
    position: relative;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.promo-grid {
    display: flex;
    gap: 48px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.promo-col {
    flex: 1;
    min-width: 300px;
}

/* Platform Audience - Cards */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-top: 40px;
}

.audience-card {
    background: var(--color-surface);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: left;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.audience-card:hover {
    background: #fff;
    border-color: var(--color-border);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.aud-icon {
    font-size: 24px;
    margin-bottom: 12px;
}

.audience-card strong {
    display: block;
    margin-bottom: 4px;
    color: var(--color-text-main);
}

.audience-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Framework */
.framework-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.pillar-card {
    padding: var(--space-4);
    transition: transform 0.2s;
}

.pillar-card:hover {
    padding: var(--space-4);
    transform: translateY(-4px);
}

.pillar-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.pillar-desc {
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: var(--color-dark-bg);
    color: #fff;
    padding: var(--space-12) 0 var(--space-8);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 40px;
}

.footer-col h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: #94A3B8;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #CBD5E1;
    font-size: 0.95rem;
}

.footer-col ul li a:hover {
    color: #fff;
}

/* Responsive */
@media (max-width: 1024px) {


    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 24px;
        /* User reported alignment issues; reducing padding helps space. 
           Also ensuring no external margins push it right. */
        margin: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --h1: 2.5rem;
        --h2: 2rem;
    }

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

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

    .nav-links {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .principles-grid {
        grid-template-columns: 1fr;
    }

    .promo-card {
        padding: 24px;
    }

    .promo-grid {
        gap: 24px;
    }

    .promo-col {
        min-width: 100%;
    }

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

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

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        padding: 24px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-hover);
        align-items: stretch;
    }
    .hero svg {
        display:none;
    }
    .hero .dot {
        right: 8px;
    }
}