/* Palette */
:root {
    --teal: #00A7A9;
    --mint: #35D0C8;
    --charcoal: #2B2B2B;
    --bg: #0b0f14;
    --panel: #0f1620;
    --panel-2: #121a25;
    --text: #e7eef7;
    --muted: #9ab0c7;
    --line: #233142;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
    --radius: 16px;
    --maxw: 1100px;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f7fafc;
        --panel: #ffffff;
        --panel-2: #f3f6fa;
        --text: #0b1220;
        --muted: #5a6b7d;
        --line: #e6ecf3;
        --shadow: 0 10px 30px rgba(0, 0, 0, .08);
    }
}

* {
    box-sizing: border-box
}

html:focus-within {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    color: var(--text);
    background: radial-gradient(1200px 800px at 15% -10%, rgba(0, 167, 169, .25), transparent 60%), var(--bg);
    line-height: 1.6;
}

/* Layout */
.container {
    max-width: var(--maxw);
    margin-inline: auto;
    padding: clamp(16px, 2vw, 24px);
}

.grid-2 {
    display: grid;
    gap: 24px;
    grid-template-columns: 1.15fr 0.85fr
}

.grid-3 {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(3, 1fr)
}

@media (max-width: 900px) {

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr
    }
}

.section {
    padding: clamp(48px, 8vw, 96px) 0;
    background: var(--panel)
}

.section--alt {
    background: var(--panel-2)
}

.section h2 {
    margin-bottom: 18px
}

.lead {
    font-size: clamp(18px, 2.2vw, 20px);
    color: var(--muted)
}

.small {
    font-size: 13px
}

.center {
    text-align: center
}

/* Type */
h1,
h2,
h3,
h4 {
    line-height: 1.2;
    margin: 0 0 10px
}

h1 {
    font-size: clamp(32px, 4.4vw, 52px);
}

h2 {
    font-size: clamp(26px, 3vw, 36px);
}

/* Links & Buttons */
a {
    color: inherit;
    text-decoration: none
}

.btn {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 999px;
    background: var(--teal);
    color: #08110d;
    font-weight: 700;
    box-shadow: var(--shadow);
    transition: transform .04s ease, filter .15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    filter: saturate(1.05)
}

.btn:active {
    transform: translateY(0)
}

.btn--ghost {
    background: transparent;
    outline: 1px solid var(--line);
    color: var(--text)
}

.btn--small {
    padding: 10px 14px;
    font-size: 14px
}

/* Cards */
.card {
    background: linear-gradient(180deg, rgba(255, 255, 255, .03), rgba(0, 0, 0, .03));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

.card--glass {
    backdrop-filter: saturate(1.2) blur(6px)
}

.kpi {
    font-size: clamp(34px, 4vw, 44px);
    margin: 0 0 8px
}

/* Hero */
.hero {
    padding: clamp(56px, 8vw, 110px) 0;
    background:
        radial-gradient(800px 600px at 90% -20%, rgba(53, 208, 200, .22), transparent 60%),
        linear-gradient(180deg, rgba(0, 167, 169, .15), transparent 40%);
}

.hero__cta {
    display: flex;
    gap: 12px;
    margin: 18px 0 14px;
    flex-wrap: wrap
}

.hero__badges {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 14px
}

/* Loop graphic */
.loop-graphic {
    display: block
}

.loop-graphic svg {
    display: block
}

/* Steps */
.steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px
}

@media (max-width: 1100px) {
    .steps {
        grid-template-columns: 1fr 1fr 1fr
    }
}

@media (max-width: 640px) {
    .steps {
        grid-template-columns: 1fr
    }
}

.step__num {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    background: var(--mint);
    color: #04110a;
    font-weight: 800;
    margin-bottom: 8px
}

/* Forms */
.form {
    display: grid;
    gap: 12px
}

.form__row {
    display: grid;
    gap: 6px
}

input,
textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--panel-2);
    color: var(--text);
}

input:focus,
textarea:focus {
    outline: 2px solid var(--teal);
    outline-offset: 2px
}

/* Header/Nav */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in oklab, var(--panel) 88%, transparent);
    backdrop-filter: saturate(1.2) blur(8px);
    border-bottom: 1px solid var(--line);
}

.site-header .container {
    display: flex;
    align-items: center;
    gap: 16px
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 900
}

.logo {
    color: var(--teal)
}

.nav ul {
    display: flex;
    align-items: center;
    gap: 14px;
    list-style: none;
    padding: 0;
    margin: 0
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    margin-left: auto
}

.menu-toggle__bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    margin: 4px 0
}

@media (max-width: 860px) {
    .menu-toggle {
        display: block
    }

    .nav {
        position: fixed;
        inset: 60px 0 auto 0;
        background: var(--panel);
        border-bottom: 1px solid var(--line);
        transform: translateY(-120%);
        transition: transform .2s ease
    }

    .nav.open {
        transform: translateY(0)
    }

    .nav ul {
        flex-direction: column;
        padding: 16px
    }
}

.site-footer {
    background: var(--panel);
    border-top: 1px solid var(--line);
    padding: 22px 0;
    color: var(--muted)
}

.site-footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px
}

.to-top {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--line)
}

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

.skip-link:focus {
    left: 12px;
    top: 12px;
    width: auto;
    height: auto;
    padding: 10px 14px;
    background: var(--teal);
    color: #04110a;
    border-radius: 8px;
    z-index: 999;
}

/* Reveal on scroll */
[data-io] {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .5s ease, transform .5s ease
}

[data-io].in {
    opacity: 1;
    transform: none
}