/* ===========================
   Healthy Brain Initiative — CSS
   Mobile-first responsive design
   Revised with Sophie's design direction
   =========================== */

/* CSS Variables */
:root {
    /* Colors — Deep West of Ireland Greens + Warm Accents */
    --color-primary: #1a5f4a;
    --color-primary-dark: #0d3d2e;
    --color-secondary: #2d6a4f;
    --color-accent: #e07b53;
    --color-accent-light: #f4a574;
    --color-warning: #d64045;
    --color-success: #2d6a4f;
    --color-insight: #1a7a5a;  /* Forest teal */

    /* Deep green gradient system (West of Ireland) */
    --green-deep: #001a0d;      /* Almost black with green */
    --green-dark: #002e1a;      /* Very dark forest */
    --green-mid: #004d2e;       /* Deep Mayo green */
    --green-rich: #006b3d;      /* Rich emerald */
    --green-bright: #008c4a;    /* Bright forest */
    --green-electric: #00b359;  /* Electric emerald */

    --color-text: #1a2e1a;
    --color-text-light: #4a5a4a;
    --color-text-muted: #6b7b6b;

    --color-bg: #ffffff;
    --color-bg-alt: #f8f9f8;
    --color-bg-warm: #f9fef7;
    --color-bg-dark: #001a0d;

    --color-border: #e0e0e0;
    --color-border-light: #f0f0f0;

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Merriweather', Georgia, serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 30px rgba(26, 95, 122, 0.15);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

li {
    margin-bottom: var(--spacing-xs);
}

strong {
    font-weight: 600;
}

blockquote {
    font-style: italic;
    border-left: 3px solid var(--color-accent);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background-color: #c96a45;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background-color: transparent;
    color: rgba(255,255,255,0.9);
    border: 2px solid rgba(255,255,255,0.4);
}

.btn-ghost:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
    text-decoration: none;
}

.btn-text {
    background: none;
    color: var(--color-text-muted);
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
}

.btn-text:hover {
    color: var(--color-primary);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
    width: 100%;
}

.btn-share {
    background-color: #25D366;
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.btn-share:hover {
    background-color: #1da851;
}

/* ===========================
   HERO SECTION — Restructured
   =========================== */
.hero {
    background: linear-gradient(
        160deg,
        #000000 0%,
        var(--green-deep) 15%,
        var(--green-dark) 35%,
        var(--green-mid) 55%,
        var(--green-rich) 80%,
        var(--green-bright) 100%
    );
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

/* Hero Logo */
.hero-logo-container {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.hero-logo {
    width: 160px;
    height: auto;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
    animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@media (min-width: 768px) {
    .hero-logo {
        width: 200px;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255,255,255,0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
}

.badge-icon {
    font-size: 1rem;
}

.hero-counter-inline {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.counter-number-hero {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.counter-text {
    font-size: 1.1rem;
    opacity: 0.9;
}

.hero h1 {
    color: white;
    font-size: 2.25rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.15;
}

.hero-stat {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    max-width: 600px;
}

.hero-stat strong {
    color: var(--color-accent);
    font-weight: 700;
}

.hero-source {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 0;
}

/* Dual Hero Stats: Stick and Carrot */
.hero-stats-dual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0 var(--spacing-xl);
    max-width: 700px;
}

.hero-stat-card {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: left;
}

.hero-stat-card .hero-stat {
    margin-bottom: var(--spacing-xs);
    max-width: none;
}

.hero-stat-card .hero-source {
    margin-bottom: 0;
}

.hero-stat-warning {
    background: rgba(214, 64, 69, 0.15);
    border-left: 4px solid var(--color-warning);
}

.hero-stat-warning .hero-stat strong {
    color: #ff8a8a;
}

.hero-stat-positive {
    background: rgba(0, 140, 74, 0.2);
    border-left: 4px solid var(--green-bright);
}

.hero-stat-positive .hero-stat strong {
    color: var(--green-electric);
}

.hero-stat-positive .hero-source {
    color: rgba(255,255,255,0.8);
    font-weight: 500;
    font-style: italic;
}

@media (min-width: 768px) {
    .hero-stats-dual {
        flex-direction: row;
    }

    .hero-stat-card {
        flex: 1;
    }
}

.hero-ctas {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ===========================
   NAVIGATION
   =========================== */
.nav-sticky {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow 0.2s ease;
}

.nav-sticky.nav-scrolled {
    box-shadow: var(--shadow-md);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-primary);
    text-decoration: none;
}

.nav-brand:hover {
    text-decoration: none;
}

.nav-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.nav-brand span {
    display: none;
}

@media (min-width: 480px) {
    .nav-brand span {
        display: inline;
    }
}

.nav-links {
    display: none;
    list-style: none;
    margin: 0;
    gap: var(--spacing-md);
}

.nav-links li {
    margin: 0;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

.nav-counter {
    background: var(--color-success);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
}

.btn-nav {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
    margin-left: var(--spacing-sm);
    border-radius: 100px;
    background-color: var(--color-primary);
    color: white;
}

.btn-nav:hover {
    background-color: var(--color-primary-dark);
}

@media (max-width: 768px) {
    .btn-nav {
        display: none;
    }
}

/* Mobile Sticky CTA */
.mobile-sticky-cta {
    display: none;
}

@media (max-width: 768px) {
    .mobile-sticky-cta {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1001;
        padding: 0.75rem 1rem;
        background: linear-gradient(to bottom, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.95) 100%);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .mobile-sticky-cta.visible {
        transform: translateY(0);
        opacity: 1;
    }

    .mobile-sticky-cta-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        max-width: 500px;
        margin: 0 auto;
    }

    .mobile-sticky-cta .cta-text {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--color-text);
    }

    .mobile-sticky-cta .cta-count {
        color: var(--color-primary);
    }

    .mobile-sticky-cta .btn-cta {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
        font-weight: 600;
        background: var(--color-primary);
        color: white;
        border: none;
        border-radius: 100px;
        text-decoration: none;
        box-shadow: 0 4px 15px rgba(26, 95, 74, 0.3);
        transition: all 0.2s ease;
    }

    .mobile-sticky-cta .btn-cta:hover,
    .mobile-sticky-cta .btn-cta:active {
        background: var(--color-primary-dark);
        transform: scale(1.02);
    }
}

/* ===========================
   SECTIONS
   =========================== */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-intro {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
}

.section-intro-light {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
}

/* ===========================
   PERSONAL STAT — Makes it real
   =========================== */
.personal-stat {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.personal-stat-text {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.personal-stat-list {
    list-style: none;
    margin: 0 0 var(--spacing-sm) 0;
}

.personal-stat-list li {
    font-size: 1.25rem;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.personal-stat-list li:last-child {
    border-bottom: none;
}

.personal-stat-source {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-bottom: 0;
}

/* ===========================
   STATS GRID
   =========================== */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

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

.stat-card-highlight {
    background: var(--color-bg-warm);
    border: 2px solid var(--color-accent);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-card-highlight .stat-number {
    color: var(--color-accent);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.stat-source {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ===========================
   CALLOUTS
   =========================== */
.callout {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.callout-insight {
    background: linear-gradient(135deg, var(--green-mid) 0%, var(--green-bright) 100%);
    color: white;
}

.callout-insight h3 {
    color: white;
}

.callout-teacher {
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-accent);
}

.callout h3 {
    margin-bottom: var(--spacing-sm);
}

.callout blockquote {
    border-color: rgba(255,255,255,0.3);
    margin: var(--spacing-sm) 0;
}

.callout-insight blockquote {
    border-color: rgba(255,255,255,0.3);
}

.callout-intro {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.callout-source {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
}

/* ===========================
   BRAIN VISUAL CARDS
   =========================== */
.brain-visual {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.brain-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.brain-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.brain-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.brain-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.brain-source {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

/* ===========================
   BRAIN TIMELINE
   =========================== */
.timeline-section {
    margin-bottom: var(--spacing-xl);
}

.brain-timeline {
    margin-top: var(--spacing-lg);
}

.timeline-item {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-md);
    border-left: 3px solid var(--color-border);
}

.timeline-highlight {
    border-left-color: var(--color-accent);
    background: var(--color-bg-warm);
    margin-left: calc(-1 * var(--spacing-md));
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left-width: 4px;
}

.timeline-age {
    font-weight: 700;
    color: var(--color-primary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-highlight .timeline-age {
    color: var(--color-accent);
}

.timeline-content h4 {
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    color: var(--color-text-light);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ===========================
   EVIDENCE TABLE
   =========================== */
.evidence-section {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.evidence-table-wrapper {
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.evidence-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.evidence-table th,
.evidence-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.evidence-table th {
    background: var(--color-bg-alt);
    font-weight: 600;
    font-size: 0.8rem;
}

.row-danger {
    background: rgba(214, 64, 69, 0.1);
}

.row-warning {
    background: rgba(224, 123, 83, 0.1);
}

.row-success {
    background: rgba(45, 106, 79, 0.1);
}

.table-source {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.evidence-note {
    background: var(--color-bg-warm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-warning);
    margin-bottom: 0;
}

/* ===========================
   RESEARCH SOURCES
   =========================== */
.research-sources {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.source-logos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
}

.source-tag {
    background: var(--color-bg-alt);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
}

.source-list {
    list-style: none;
    margin-left: 0;
}

.source-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 0.9rem;
}

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

/* ===========================
   WISDOM SECTION (Reframed warnings)
   =========================== */
.section-wisdom {
    background: var(--color-bg-dark);
    color: white;
}

.section-wisdom h2 {
    color: white;
    text-align: center;
}

.wisdom-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.wisdom-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: rgba(255,255,255,0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
}

.wisdom-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.wisdom-question {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-accent-light);
    margin-top: var(--spacing-lg);
    font-family: var(--font-heading);
}

/* ===========================
   COMMITMENT SECTION
   =========================== */
.section-commitment {
    background: var(--color-bg-warm);
}

.commitment-counter {
    text-align: center;
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.counter-number {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.counter-label {
    font-size: 1.2rem;
}

.counter-subtext {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: var(--spacing-xs);
    margin-bottom: 0;
}

/* Social Proof */
.social-proof {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-bg-warm);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.social-proof h4 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.pledge-names {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
}

.pledge-name-tag {
    display: inline-block;
    background: white;
    color: var(--color-text);
    padding: 0.4rem 0.8rem;
    border-radius: 100px;
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.pledge-name-tag:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.pledge-class {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* What Works */
.what-works {
    margin-bottom: var(--spacing-xl);
}

.works-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.works-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.works-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-success);
    margin-bottom: var(--spacing-xs);
}

.works-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.works-source {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--spacing-md);
}

/* Four Norms */
/* The Commitment (single) */
.the-commitment {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.commitment-hero-card {
    background: linear-gradient(
        135deg,
        var(--green-mid) 0%,
        var(--green-rich) 100%
    );
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    margin: var(--spacing-lg) auto;
}

.commitment-hero-card h4 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.commitment-hero-card p {
    font-size: 1.1rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    opacity: 0.95;
}

.commitment-highlight {
    background: rgba(255,255,255,0.15);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    margin-bottom: 0 !important;
}

.commitment-source {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-md);
}

/* ===========================
   PLEDGE FORM
   =========================== */
.pledge-form-container {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
}

.pledge-form-container h3 {
    text-align: center;
    margin-bottom: var(--spacing-xs);
}

.pledge-form-container > p {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.pledge-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.form-group input[type="text"],
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 1rem;
    font-family: var(--font-body);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color 0.2s;
}

.form-group input[type="text"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Commitment Checkboxes */
.commitment-section {
    background: var(--color-bg-alt);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

/* Single Commitment (simplified form) */
.commitment-single {
    background: var(--color-bg-warm);
    border: 2px solid var(--green-rich);
}

.commitment-single .checkbox-primary {
    background: white;
    border: 2px solid var(--green-mid);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.commitment-single .checkbox-primary:has(input:checked) {
    background: rgba(0, 107, 61, 0.1);
    border-color: var(--green-bright);
}

.commitment-note {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
    text-align: center;
}

.commitment-checkboxes {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: 400;
    padding: var(--spacing-sm);
    background: white;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: border-color 0.2s;
}

.checkbox-label:hover {
    border-color: var(--color-border);
}

.checkbox-label input[type="checkbox"] {
    width: 22px;
    height: 22px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--color-success);
}

.checkbox-label input[type="checkbox"]:checked + span {
    color: var(--color-success);
}

.checkbox-parent {
    background: var(--color-bg-warm);
    border: 2px solid var(--color-accent-light);
}

/* Privacy Options */
.privacy-group {
    margin: var(--spacing-lg) 0;
}

.privacy-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-alt);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.radio-label:hover {
    border-color: var(--color-primary);
}

.radio-label input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

.radio-label input[type="radio"]:checked + .radio-content {
    color: var(--color-text);
}

.radio-label:has(input:checked) {
    border-color: var(--color-primary);
    background: white;
    box-shadow: var(--shadow-sm);
}

.radio-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.radio-content strong {
    font-size: 1rem;
    color: var(--color-text);
}

.radio-description {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* Oath Section */
.oath-section {
    margin: var(--spacing-lg) 0;
}

.oath-text {
    background: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    font-family: var(--font-heading);
    font-style: italic;
}

.oath-text p {
    margin-bottom: 0;
    line-height: 1.5;
}

/* Signature Pad */
.signature-group {
    margin-top: var(--spacing-lg);
}

.signature-instruction {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.signature-wrapper {
    position: relative;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    background: white;
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.signature-pad {
    width: 100%;
    height: 180px;
    display: block;
    touch-action: none;
}

.signature-line {
    position: absolute;
    bottom: 40px;
    left: 20px;
    right: 20px;
    height: 1px;
    background: var(--color-border);
}

.form-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--spacing-md);
}

/* Pledge Success */
.pledge-success {
    text-align: center;
    padding: var(--spacing-lg);
}

/* Shareable Badge */
.badge-container {
    margin-bottom: var(--spacing-xl);
}

.badge-card {
    background: linear-gradient(
        160deg,
        var(--green-deep) 0%,
        var(--green-dark) 30%,
        var(--green-mid) 70%,
        var(--green-rich) 100%
    );
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    max-width: 360px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.badge-logo-display {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.badge-logo-img {
    width: 120px;
    height: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
}

.badge-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.badge-icon-large {
    font-size: 1.5rem;
}

.badge-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
}

.badge-commitment {
    margin-bottom: var(--spacing-md);
}

.badge-label {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
}

.badge-signature {
    background: white;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin: var(--spacing-md) auto;
    max-width: 240px;
}

#signature-display {
    max-width: 100%;
}

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

.badge-footer {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255,255,255,0.2);
}

.badge-instruction {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* Success Message */
.success-message {
    margin-bottom: var(--spacing-lg);
}

.success-message h3 {
    color: var(--color-success);
    margin-bottom: var(--spacing-xs);
}

/* Success Social Proof */
.success-social-proof {
    background: linear-gradient(135deg, var(--color-bg-warm) 0%, #f0f7f4 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(45, 106, 79, 0.1);
}

.success-social-intro {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.success-pledge-names {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
}

.success-pledge-names .pledge-name-tag {
    background: white;
    color: var(--color-text);
    padding: 0.4rem 0.8rem;
    border-radius: 100px;
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
    display: inline-block;
}

.success-pledge-names .pledge-name-tag.you {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    font-weight: 600;
}

/* Additional Behaviors */
.success-extras {
    background: var(--color-bg-warm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.success-extras h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.extras-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.extras-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

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

.extra-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.extras-list li span:last-child {
    font-size: 0.95rem;
    line-height: 1.4;
}

/* Success Sign-in Section */
.success-signin {
    background: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.success-signin h4 {
    margin-bottom: var(--spacing-sm);
}

.success-signin p {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.btn-google {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: white;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: var(--spacing-md) 0;
}

.btn-google:hover {
    background: var(--color-bg-alt);
    box-shadow: var(--shadow-sm);
}

.btn-google svg {
    flex-shrink: 0;
}

.signin-note {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.privacy-notice {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(0, 107, 61, 0.05);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

/* Contact Options (Email + Google) */
.contact-options {
    margin: var(--spacing-md) 0;
}

.email-signup-form {
    max-width: 360px;
    margin: 0 auto;
}

.email-input-group {
    display: flex;
    gap: var(--spacing-xs);
}

.email-input-group input[type="email"] {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-family: var(--font-body);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color 0.2s;
}

.email-input-group input[type="email"]:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn-email-submit {
    padding: var(--spacing-sm) var(--spacing-md);
    white-space: nowrap;
}

.contact-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-md) 0;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.contact-divider::before,
.contact-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.contact-divider span {
    padding: 0 var(--spacing-md);
}

.email-success-message {
    color: var(--color-success);
    font-weight: 500;
    padding: var(--spacing-md);
    background: rgba(0, 107, 61, 0.1);
    border-radius: var(--radius-md);
}

.signed-in-confirmation {
    text-align: center;
}

.signed-in-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-success);
    color: white;
    border-radius: 50%;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.signed-in-note {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Success Share */
.success-share {
    margin-top: var(--spacing-lg);
    display: block;
}

.success-next {
    margin-top: var(--spacing-lg);
}

.share-buttons {
    margin-top: var(--spacing-md);
}

/* ===========================
   PROOF SECTION
   =========================== */
.proof-section {
    margin-top: var(--spacing-xl);
}

.proof-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--color-success);
}

.proof-card h4 {
    color: var(--color-success);
    margin-bottom: var(--spacing-sm);
}

.proof-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.proof-stat {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
}

.proof-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-success);
    margin-bottom: var(--spacing-xs);
}

.proof-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===========================
   ALTERNATIVES SECTION
   =========================== */
.alternatives-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.alternative-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.alt-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.alternative-card h4 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.alternative-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Family Rules */
.family-rules {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.family-rules ul {
    list-style: none;
    margin-left: 0;
}

.family-rules li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

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

/* ===========================
   RESOURCES SECTION
   =========================== */
.resources-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.resource-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.resource-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.resource-card ul {
    list-style: none;
    margin-left: 0;
}

.resource-card li {
    padding: var(--spacing-xs) 0;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    background: var(--color-bg-dark);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer p {
    margin-bottom: var(--spacing-sm);
}

.footer-note {
    font-size: 0.85rem;
    opacity: 0.7;
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
}

.footer-links {
    font-size: 0.875rem;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
}

.footer-links a:hover {
    color: white;
}

/* ===========================
   TABLET & DESKTOP BREAKPOINTS
   =========================== */

/* Tablet (768px+) */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    h1 {
        font-size: 2.75rem;
    }

    h2 {
        font-size: 2.25rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-ctas {
        flex-direction: row;
    }

    .btn-large {
        width: auto;
    }

    .counter-number-hero {
        font-size: 4rem;
    }

    .nav-links {
        display: flex;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .brain-visual {
        grid-template-columns: repeat(3, 1fr);
    }

    .wisdom-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .works-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .proof-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .alternatives-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .resources-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .timeline-item {
        flex-direction: row;
        gap: var(--spacing-lg);
    }

    .timeline-age {
        min-width: 100px;
        text-align: right;
        margin-bottom: 0;
    }

    .timeline-highlight {
        margin-left: 0;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    h1 {
        font-size: 3rem;
    }

    .hero {
        padding: var(--spacing-3xl) 0;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .wisdom-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .alternatives-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pledge-form-container {
        padding: var(--spacing-xl);
    }

    .counter-number {
        font-size: 5rem;
    }
}

/* Large Desktop (1200px+) */
@media (min-width: 1200px) {
    .hero h1 {
        font-size: 4rem;
    }

    .section-intro {
        font-size: 1.25rem;
    }
}