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

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
}

.hero-section, .impact-section, .form-section {
    background: linear-gradient(to bottom right, #eff6ff, #dbeafe)
}

:root {
    /* Color system (HSL only) */
    --bg: 210 40% 98%;
    --surface: 0 0% 100%;
    --text: 222 47% 11%;
    --muted: 215 16% 45%;
    --border: 215 16% 87%;
    --primary: 213 85% 45%;
    --primary-glow: 213 100% 62%;
    --accent: 210 100% 96%;
    --accent-2: 205 90% 92%;
    --accent-3: 200 85% 88%;
    --success: 158 64% 52%;
    --radius: 12px;
    --shadow-elev: 0 12px 30px -8px hsl(var(--primary) / 0.15);
    --transition: all .25s cubic-bezier(.4, 0, .2, 1);
    --container: 1120px;
}

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

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

    a:hover {
        text-decoration: underline
    }

.container {
    max-width: 1120px;
    margin: 0 auto;
}

.section {
    padding-block: 3.5rem
}

@media (min-width: 768px) {
    .section {
        padding-block: 5rem
    }
}

/* Card */
.card {
    background: hsl(var(--surface));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    box-shadow: var(--shadow-elev);
}

    .card p {
        text-align: center;
    }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-glow)));
    color: white;
    padding: .9rem 1.2rem;
    border: none;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: .2px;
    cursor: pointer;
    transition: var(--transition);
}

    .btn:focus-visible {
        outline: 3px solid hsl(var(--primary)/.35);
        outline-offset: 2px
    }

    .btn:hover {
        transform: translateY(-1px);
        box-shadow: 0 10px 20px -10px hsl(var(--primary)/.6)
    }

/* Hero */
.hero {
    position: relative;
    overflow: hidden;
    border-radius: 22px;
/*    background: linear-gradient(to bottom right, #eff6ff, #dbeafe);*/
    background: #fff;
    /*    border: 1px solid hsl(var(--border));*/
    /*    box-shadow: var(--shadow-elev);*/
    padding: clamp(3rem, 8vw, 6rem) 1rem;
    text-align: center;
}

    .hero h1 {
        font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
        line-height: 1.1;
        margin: 0 0 1rem;
        font-weight: 800;
    }

    .hero p, article p {
        margin: 0 auto;
        max-width: 1120px;
        color: hsl(var(--muted));
        font-size: clamp(1rem, .5vw + .9rem, 1.2rem);
    }

    .hero .actions {
        margin-top: 1.75rem;
        display: flex;
        justify-content: center;
        gap: .75rem;
        flex-wrap: wrap
    }

/* Grid helpers */
.grid {
    display: grid;
    gap: 1rem
}

@media (min-width: 640px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr)
    }
}

@media (min-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(4, 1fr)
    }
}

/* Headings */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

    .section-header h2 {
        font-size: 2rem;
        font-weight: 700;
        color: hsl(222.2, 84%, 4.9%);
        margin-bottom: 1rem;
    }

    .section-header .muted {
        color: hsl(215.4, 16.3%, 46.9%);
    }

/* Stat card */
.stat {
    padding: 1.25rem
}

    .stat .row {
        display: flex;
        align-items: center;
        gap: .8rem
    }

.icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    background: hsl(var(--accent));
    color: hsl(var(--primary));
    border-radius: 10px;
    border: 1px solid hsl(var(--border));
}

.value {
    font-size: 1.6rem;
    font-weight: 800
}

.label {
    font-size: .9rem;
    color: hsl(var(--muted))
}

/* Testimonials */
.testimonial {
    padding: 1.1rem
}

blockquote {
    margin: 0;
    color: hsl(var(--text));
    font-weight: 500
}

figcaption {
    margin-top: .6rem;
    color: hsl(var(--muted));
    font-size: .9rem
}

/* How it helps */
.helps {
    align-items: center
}

.tag {
    background: hsl(var(--accent));
    border: 1px solid hsl(var(--border));
    border-radius: 10px;
    padding: .6rem .75rem;
    color: hsl(var(--muted))
}

.tags {
    display: grid;
    gap: .6rem
}

@media (min-width: 480px) {
    .tags {
        grid-template-columns: repeat(2, minmax(0, 1fr))
    }
}

.pie-wrap {
    display: flex;
    justify-content: space-evenly;
    align-items: center
}

.pie {
    width: min(80vw, 300px);
    aspect-ratio: 1/1;
    border-radius: 50%;
    background: conic-gradient(hsl(var(--primary)) 0 50%, hsl(var(--primary-glow)) 50% 80%, hsl(var(--accent-3)) 80% 95%, hsl(var(--accent-2)) 95% 100%);
    position: relative;
    box-shadow: var(--shadow-elev);
    border: 1px solid hsl(var(--border));
}

    .pie::after {
        content: "";
        position: absolute;
        inset: 12%;
        border-radius: 50%;
        background: hsl(var(--surface));
        border: 1px solid hsl(var(--border));
    }

.legend {
    display: grid;
    gap: .5rem;
    margin-top: 1rem
}

    .legend li {
        display: flex;
        align-items: center;
        gap: .5rem;
        font-size: .95rem;
        color: hsl(var(--muted))
    }

.sw {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    border: 1px solid hsl(var(--border))
}

    .sw.sch {
        background: hsl(var(--primary))
    }

    .sw.res {
        background: hsl(var(--primary-glow))
    }

    .sw.srv {
        background: hsl(var(--accent-3))
    }

    .sw.cmp {
        background: hsl(var(--accent-2))
    }

/* Form */
form {
    display: grid;
    gap: 1rem
}

.form {
    padding: 1.25rem
}

@media (min-width: 768px) {
    .form {
        padding: 1.5rem
    }
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: .35rem
}

.hint {
    color: hsl(var(--muted));
    font-size: .9rem;
/*    text-align: center*/
}

input,
select,
textarea {
    width: 100%;
    padding: .8rem .9rem;
    border-radius: 10px;
    border: 1px solid hsl(var(--border));
    background: hsl(var(--surface));
    color: hsl(var(--text));
    transition: var(--transition);
}

    input:focus,
    select:focus,
    textarea:focus {
        outline: none;
        border-color: hsl(var(--primary));
        box-shadow: 0 0 0 4px hsl(var(--primary)/.15)
    }

.row-2 {
    display: grid;
    gap: 1rem
}

@media (min-width: 640px) {
    .row-2 {
        grid-template-columns: 1fr 1fr
    }
}

.check {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: .95rem;
    color: hsl(var(--muted))
}

.submitbar {
    display: flex;
    gap: .75rem;
    align-items: center;
    flex-wrap: wrap
}

.note {
    color: hsl(var(--muted));
    font-size: .9rem
}

/* Security badges */
.badges {
    display: grid;
    gap: .8rem
}

@media (min-width: 640px) {
    .badges {
        grid-template-columns: repeat(3, 1fr)
    }
}

.badge {
    display: flex;
    gap: .7rem;
    align-items: flex-start;
    padding: 1rem
}


.foot-grid {
    display: grid;
    gap: 1rem
}

@media (min-width: 640px) {
    .foot-grid {
        grid-template-columns: 2fr 1fr 1fr
    }
}

.foot-title {
    font-weight: 700;
    color: hsl(var(--text));
    margin-bottom: .5rem
}

/* Accessibility helpers */
.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

    .skip-link:focus {
        left: 1rem;
        top: 1rem;
        width: auto;
        height: auto;
        padding: .5rem .75rem;
        background: hsl(var(--surface));
        border: 1px solid hsl(var(--border));
        border-radius: 8px;
        z-index: 999;
    }