* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "PingFang SC", sans-serif;
    background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 18%, white), transparent 40%),
        linear-gradient(180deg, #ffffff, var(--surface));
    color: var(--text);
}

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

.page-shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 32px 20px 72px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
    gap: 24px;
    align-items: stretch;
}

.hero-copy,
.notice-card,
.step-card {
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

.hero-copy {
    padding: 44px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 12px;
}

.hero-copy h1 {
    margin: 0;
    font-size: clamp(36px, 5vw, 64px);
    line-height: 1.02;
}

.subtitle {
    margin: 18px 0 0;
    max-width: 720px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 700;
}

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

.btn-secondary {
    border: 1px solid color-mix(in srgb, var(--primary) 20%, white);
    color: var(--text);
}

.notice-card {
    padding: 28px;
    border: 1px solid color-mix(in srgb, var(--accent) 35%, white);
}

.notice-badge {
    display: inline-block;
    margin-bottom: 14px;
    padding: 7px 12px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent) 24%, white);
    color: var(--text);
    font-weight: 700;
    font-size: 12px;
}

.notice-card h2 {
    margin: 0 0 10px;
    font-size: 26px;
}

.notice-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.steps-grid {
    display: grid;
    gap: 20px;
    margin-top: 26px;
}

.step-card {
    display: block;
    padding: 24px;
}

.step-number {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 14px;
}

.step-body h3 {
    margin: 0;
    font-size: 24px;
}

.step-body p {
    margin: 10px 0 0;
    color: var(--muted);
    line-height: 1.8;
}

.step-body img,
.image-placeholder {
    width: 100%;
    margin-top: 18px;
    border-radius: 22px;
    overflow: hidden;
}

.step-body img {
    display: block;
    object-fit: cover;
    max-height: 440px;
}

.image-placeholder {
    display: grid;
    place-items: center;
    min-height: 240px;
    border: 1px dashed color-mix(in srgb, var(--primary) 25%, white);
    color: var(--muted);
    background: color-mix(in srgb, var(--surface) 80%, white);
}

.public-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    max-width: 100%;
    margin-top: 8px;
    padding: 10px 16px;
    border-radius: 999px;
}

.public-step-actions {
    margin-top: 18px;
}

@media (max-width: 860px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        padding: 30px;
    }

    .step-card {
        grid-template-columns: 1fr;
    }
}