@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@400;600;800&display=swap');

:root {
    --color-primary-50: #eef4ff;
    --color-primary-100: #dce8ff;
    --color-primary-300: #8cb6ff;
    --color-primary-500: #3b82f6;
    --color-primary-600: #2563eb;
    --color-primary-700: #1d4ed8;
    --color-secondary-50: #f3f0ff;
    --color-secondary-100: #e9e0ff;
    --color-secondary-300: #bda7ff;
    --color-secondary-500: #8b5cf6;
    --color-secondary-600: #7c3aed;
    --color-success-400: #22c55e;
    --color-success-500: #16a34a;
    --color-warning-400: #f59e0b;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-surface-soft: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-strong: #cbd5e1;
    --color-text: #0f172a;
    --color-text-soft: #334155;
    --color-text-muted: #64748b;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-pill: 999px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 6px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 18px 42px rgba(15, 23, 42, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

.container {
    width: min(100% - 32px, 1180px);
    margin: 0 auto;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(14px);
}

.nav-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: 'Outfit', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--color-primary-600);
    text-decoration: none;
}

.brand-icon {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-600);
    background: var(--color-primary-50);
    border: 1px solid var(--color-primary-100);
    border-radius: var(--radius-sm);
}

.brand-icon svg,
.btn svg,
.problem-grid svg,
.highlight-grid svg,
.check-list svg {
    width: 18px;
    height: 18px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    color: var(--color-text-soft);
    font-size: 15px;
    font-weight: 600;
}

.nav-links a {
    text-decoration: none;
}

.nav-links a:hover {
    color: var(--color-primary-700);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 var(--space-5);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    gap: var(--space-2);
    cursor: pointer;
    transition-property: transform, opacity, background-color, border-color, box-shadow;
    transition-duration: 180ms;
    transition-timing-function: ease;
    white-space: nowrap;
}

.btn-primary {
    color: #ffffff;
    background: var(--color-primary-600);
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background: var(--color-primary-700);
    transform: translateY(-1px);
}

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

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

.btn-large {
    min-height: 54px;
    padding: 0 var(--space-8);
    font-size: 16px;
}

.hero {
    padding: 82px 0 72px;
    background: linear-gradient(180deg, var(--color-primary-50) 0%, var(--color-bg) 78%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
    align-items: center;
    gap: var(--space-16);
}

.eyebrow {
    margin-bottom: var(--space-3);
    color: var(--color-primary-700);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    font-family: 'Outfit', sans-serif;
    line-height: 1.12;
    letter-spacing: 0;
}

h1 {
    max-width: 760px;
    margin-bottom: var(--space-5);
    font-size: clamp(32px, 4vw, 46px);
    font-weight: 800;
}

h2 {
    margin-bottom: var(--space-4);
    font-size: clamp(32px, 4.4vw, 48px);
    font-weight: 800;
}

h3 {
    margin-bottom: var(--space-3);
    font-size: 24px;
    font-weight: 800;
}

.hero-subtitle {
    max-width: 680px;
    margin-bottom: var(--space-8);
    color: var(--color-text-soft);
    font-size: 20px;
}

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

.hero-panel {
    padding: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.mini-dashboard {
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: linear-gradient(180deg, #ffffff 0%, var(--color-surface-soft) 100%);
}

.dashboard-top {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border-strong);
}

.primary-card,
.dashboard-row {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
}

.primary-card {
    display: grid;
    gap: var(--space-2);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
}

.primary-card .label,
.dashboard-row span {
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 700;
}

.primary-card strong {
    color: var(--color-primary-700);
    font-family: 'Outfit', sans-serif;
    font-size: 62px;
    line-height: 1;
}

.dashboard-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    margin-top: var(--space-3);
}

.dashboard-row div {
    display: grid;
}

.dashboard-row strong {
    margin-top: var(--space-1);
}

.dashboard-row b {
    color: var(--color-secondary-600);
    font-family: 'Outfit', sans-serif;
    font-size: 26px;
}

.progress-lines {
    display: grid;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.progress-lines span {
    height: 10px;
    border-radius: var(--radius-pill);
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-secondary-500));
}

.section {
    padding: 88px 0;
}

.section-tight {
    padding-top: 72px;
}

.section-header {
    max-width: 790px;
    margin-bottom: var(--space-10);
}

.section-header p:not(.eyebrow),
.split-grid p,
.outcome-card p {
    color: var(--color-text-soft);
    font-size: 18px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
}

.stat-card {
    min-height: 172px;
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.stat-card span {
    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 800;
}

.stat-card strong {
    display: block;
    margin: var(--space-4) 0 var(--space-2);
    color: var(--color-primary-700);
    font-family: 'Outfit', sans-serif;
    font-size: 48px;
    line-height: 1;
}

.stat-card p,
.highlight-grid p,
.step-copy p,
.step-copy li,
.problem-grid span {
    color: var(--color-text-soft);
}

.insight-band {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
    align-items: end;
    gap: var(--space-10);
    margin-top: var(--space-5);
    padding: var(--space-8);
    border: 1px solid var(--color-primary-100);
    border-radius: var(--radius-sm);
    background: var(--color-primary-50);
}

.bar-chart {
    min-height: 260px;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    align-items: end;
    gap: var(--space-3);
}

.bar {
    position: relative;
    min-height: 44px;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    background: var(--color-primary-300);
}

.bar span {
    position: absolute;
    left: 50%;
    bottom: -28px;
    transform: translateX(-50%);
    color: var(--color-text-muted);
    font-weight: 800;
}

.bar.small {
    height: 58px;
}

.bar.medium {
    height: 94px;
}

.bar.medium-plus {
    height: 112px;
}

.bar.tall {
    height: 200px;
    background: var(--color-primary-600);
}

.bar.peak {
    height: 240px;
    background: var(--color-secondary-600);
}

.bar.highest {
    height: 260px;
    background: var(--color-warning-400);
}

.highlight-grid,
.problem-grid,
.report-grid {
    display: grid;
    gap: var(--space-4);
}

.highlight-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: var(--space-10);
}

.highlight-grid article,
.problem-grid article {
    padding: var(--space-6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.highlight-grid svg,
.problem-grid svg {
    margin-bottom: var(--space-4);
    color: var(--color-primary-600);
}

.split-section,
.reports-section {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.split-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    gap: var(--space-12);
    align-items: start;
}

.check-list {
    display: grid;
    gap: var(--space-3);
}

.check-list div {
    display: grid;
    grid-template-columns: 30px 1fr;
    align-items: start;
    gap: var(--space-3);
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface-soft);
    font-weight: 600;
}

.check-list svg {
    color: var(--color-success-500);
}

.problem-section {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-secondary-50) 100%);
}

.problem-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.problem-grid article {
    min-height: 158px;
}

.problem-grid span {
    display: block;
    font-weight: 700;
}

.steps {
    display: grid;
    gap: var(--space-8);
    min-width: 0;
}

.step-card {
    width: 100%;
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.step-copy,
.screenshot-placeholder,
.screenshot-frame {
    min-width: 0;
}

.step-copy h3,
.step-copy p,
.step-copy li,
.screenshot-placeholder span {
    overflow-wrap: anywhere;
}

.screenshot-frame {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface-soft);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.screenshot-frame img {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: calc(var(--radius-sm) - 3px);
    object-fit: contain;
    object-position: center;
}

.step-card.reverse .step-copy {
    order: 2;
}

.step-number {
    display: inline-flex;
    margin-bottom: var(--space-4);
    color: var(--color-primary-700);
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    font-weight: 800;
}

.step-copy ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
    margin-top: var(--space-4);
    list-style-position: inside;
}

.screenshot-placeholder {
    min-height: 315px;
    aspect-ratio: 16 / 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-8);
    border: 2px dashed var(--color-primary-300);
    border-radius: var(--radius-sm);
    background:
        linear-gradient(135deg, rgba(238, 244, 255, 0.82), rgba(243, 240, 255, 0.82)),
        repeating-linear-gradient(45deg, transparent, transparent 14px, rgba(37, 99, 235, 0.06) 14px, rgba(37, 99, 235, 0.06) 28px);
    color: var(--color-text-soft);
    text-align: center;
}

.screenshot-placeholder svg {
    width: 38px;
    height: 38px;
    color: var(--color-primary-600);
}

.screenshot-placeholder strong {
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
}

.screenshot-placeholder span {
    max-width: 280px;
    color: var(--color-text-muted);
}

.phone-placeholder {
    max-width: 360px;
    min-height: 560px;
    margin: 0 auto;
    aspect-ratio: 9 / 16;
}

.report-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.report-grid .screenshot-placeholder {
    min-height: 260px;
    aspect-ratio: 4 / 3;
}

.report-grid .screenshot-frame {
    aspect-ratio: 16 / 10;
}

.kids-section {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-secondary-50) 100%);
}

.kids-hero-card {
    display: grid;
    grid-template-columns: minmax(0, 0.76fr) minmax(520px, 1.24fr);
    align-items: center;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
    padding: var(--space-8);
    border: 1px solid var(--color-secondary-100);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.kids-copy p,
.kid-feature-copy p {
    color: var(--color-text-soft);
}

.kids-points {
    display: grid;
    gap: var(--space-2);
    margin-top: var(--space-5);
}

.kids-points span {
    display: grid;
    grid-template-columns: 26px 1fr;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    border: 1px solid var(--color-secondary-100);
    border-radius: var(--radius-sm);
    background: var(--color-secondary-50);
    color: var(--color-text-soft);
    font-weight: 700;
}

.kids-points svg {
    width: 18px;
    height: 18px;
    color: var(--color-secondary-600);
}

.kids-main-shot {
    aspect-ratio: 16 / 10;
}

.kids-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
}

.kid-feature-card {
    min-width: 0;
    display: grid;
    grid-template-rows: auto 1fr;
    gap: var(--space-5);
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.kid-feature-card .screenshot-frame {
    aspect-ratio: 4 / 3;
    box-shadow: none;
}

.kid-feature-card .tall-shot {
    aspect-ratio: 4 / 5;
}

.stacked-shots {
    display: grid;
    align-content: start;
    gap: var(--space-3);
}

.stacked-shots .screenshot-frame {
    aspect-ratio: 16 / 10;
}

.outcome-section {
    padding-bottom: 96px;
}

.outcome-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.62fr) auto;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-10);
    border: 1px solid var(--color-primary-100);
    border-radius: var(--radius-sm);
    background: var(--color-primary-50);
}

.outcomes {
    display: grid;
    gap: var(--space-2);
}

.outcomes span {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-primary-100);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-soft);
    font-weight: 700;
}

.footer {
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    color: var(--color-text-muted);
}

@media (max-width: 980px) {
    .nav-links {
        display: none;
    }

    .hero-grid,
    .insight-band,
    .split-grid,
    .step-card,
    .kids-hero-card,
    .outcome-card {
        grid-template-columns: 1fr;
    }

    .outcome-card {
        grid-template-columns: 1fr !important;
    }

    .step-card.reverse .step-copy {
        order: 0;
    }

    .hero-panel {
        max-width: 620px;
    }

    .stats-grid,
    .highlight-grid,
    .problem-grid,
    .kids-gallery,
    .report-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .outcome-card .btn {
        width: max-content !important;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 24px, 1180px);
    }

    .navbar .btn {
        display: none;
    }

    .hero {
        padding-top: var(--space-12);
    }

    h1 {
        font-size: 40px;
    }

    .hero-subtitle,
    .section-header p:not(.eyebrow),
    .split-grid p,
    .outcome-card p {
        font-size: 16px;
    }

    .hero-actions,
    .hero-actions .btn {
        width: 100%;
    }

    .outcome-card .btn {
        width: 100% !important;
    }

    .stats-grid,
    .highlight-grid,
    .problem-grid,
    .report-grid,
    .step-copy ul {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 64px 0;
    }

    .insight-band,
    .step-card,
    .kids-hero-card {
        padding: var(--space-5);
    }

    .outcome-card {
        padding: var(--space-5) !important;
        gap: var(--space-6) !important;
    }

    .bar-chart {
        min-height: 220px;
        gap: var(--space-2);
    }

    .bar.small {
        height: 48px;
    }

    .bar.medium {
        height: 74px;
    }

    .bar.medium-plus {
        height: 92px;
    }

    .bar.tall {
        height: 164px;
    }

    .bar.peak {
        height: 196px;
    }

    .bar.highest {
        height: 212px;
    }

    .screenshot-placeholder,
    .phone-placeholder,
    .screenshot-frame {
        min-height: 260px;
        max-width: none;
        aspect-ratio: 4 / 3;
    }

    .kids-gallery {
        grid-template-columns: 1fr;
    }

    .kids-main-shot,
    .kid-feature-card .tall-shot,
    .stacked-shots .screenshot-frame {
        aspect-ratio: 4 / 3;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}