:root {
    color-scheme: light;
    --ink: #16211d;
    --muted: #5b6963;
    --surface: #f7f3ea;
    --paper: #ffffff;
    --line: #d8ded9;
    --green: #0f6b4f;
    --green-dark: #084330;
    --amber: #f2b84b;
    --blue: #315d8c;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--ink);
    background: var(--surface);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    line-height: 1.5;
}

a {
    color: inherit;
    text-decoration: none;
}

.site-header {
    position: fixed;
    z-index: 10;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px clamp(20px, 5vw, 72px);
    color: #ffffff;
    background: linear-gradient(180deg, rgba(9, 21, 16, 0.76), rgba(9, 21, 16, 0));
}

.brand {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0;
}

.nav {
    display: flex;
    align-items: center;
    gap: clamp(12px, 2.5vw, 28px);
    font-size: 0.95rem;
    font-weight: 650;
}

.nav a {
    opacity: 0.92;
}

.nav a:hover {
    opacity: 1;
}

.nav-action {
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 999px;
    padding: 8px 14px;
}

.hero {
    min-height: 82vh;
    display: grid;
    align-items: end;
    padding: 116px clamp(20px, 6vw, 92px) 72px;
    color: #ffffff;
    background:
        linear-gradient(90deg, rgba(8, 28, 21, 0.88), rgba(8, 28, 21, 0.54) 48%, rgba(8, 28, 21, 0.18)),
        url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1800&q=82") center / cover no-repeat;
}

.hero-content {
    width: min(760px, 100%);
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--amber);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1 {
    margin: 0;
    max-width: 820px;
    font-size: clamp(2.4rem, 7vw, 5.8rem);
    line-height: 0.98;
    letter-spacing: 0;
}

.hero-copy {
    max-width: 650px;
    margin: 24px 0 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: clamp(1rem, 2vw, 1.25rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
}

.button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    padding: 12px 18px;
    font-weight: 800;
}

.button.primary {
    color: var(--green-dark);
    background: var(--amber);
}

.button.secondary {
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.62);
    background: rgba(255, 255, 255, 0.08);
}

.section {
    padding: clamp(56px, 8vw, 96px) clamp(20px, 6vw, 92px);
}

.section-header {
    max-width: 760px;
    margin-bottom: 28px;
}

h2 {
    margin: 0;
    max-width: 880px;
    font-size: clamp(1.8rem, 4vw, 3.2rem);
    line-height: 1.06;
    letter-spacing: 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.step {
    min-height: 250px;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
}

.step-number {
    display: inline-block;
    margin-bottom: 28px;
    color: var(--blue);
    font-weight: 900;
}

.step h3 {
    margin: 0 0 12px;
    font-size: 1.25rem;
    letter-spacing: 0;
}

.step p,
.safety p {
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
}

.safety {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
    gap: clamp(28px, 7vw, 96px);
    align-items: start;
    background: #e8efe9;
    border-top: 1px solid var(--line);
}

.safety p {
    max-width: 620px;
    font-size: 1.15rem;
}

@media (max-width: 760px) {
    .site-header {
        align-items: flex-start;
        padding: 16px 20px;
    }

    .nav {
        gap: 10px;
        font-size: 0.84rem;
    }

    .nav a:not(.nav-action) {
        display: none;
    }

    .hero {
        min-height: 78vh;
        padding: 104px 20px 48px;
        background-position: 58% center;
    }

    .hero-actions {
        width: 100%;
    }

    .button {
        flex: 1 1 180px;
    }

    .steps,
    .safety {
        grid-template-columns: 1fr;
    }
}