:root {
    --turf: #0f3d2a;
    --chalk: #f5f6f0;
    --card: #ffd23f;
    --ink: #14201a;
    --line: #d9ddd0;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Source Sans 3", system-ui, sans-serif;
    background: var(--chalk);
    color: var(--ink);
    line-height: 1.6;
}

h1,
h2,
h3,
.brand {
    font-family: "Bricolage Grotesque", sans-serif;
    line-height: 1.15;
}

a {
    color: inherit;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 5%;
    background: var(--turf);
    color: var(--chalk);
    position: sticky;
    top: 0;
    z-index: 10;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    text-decoration: none;
    font-size: 1.15rem;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    text-decoration: none;
    padding: 4px 0;
    border-bottom: 3px solid transparent;
}

nav a.active,
nav a:hover {
    border-color: var(--card);
}

.menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--chalk);
    color: inherit;
    padding: 6px 12px;
    border-radius: 6px;
    font: inherit;
}

.hero {
    background:
        linear-gradient(90deg, rgba(15, 61, 42, .92) 0%, rgba(15, 61, 42, .7) 45%, rgba(15, 61, 42, .25) 100%),
        url("../assets/Beranda.png") center / cover no-repeat;
    color: var(--chalk);
    padding: 90px 5% 100px;
    min-height: 480px;
}

.hero-in {
    max-width: 760px;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4.4rem);
    font-weight: 800;
    margin: 0 0 16px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 560px;
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.btn {
    display: inline-block;
    background: var(--card);
    color: var(--ink);
    font-weight: 600;
    padding: 12px 24px;
    border: 2px solid var(--card);
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.btn:hover {
    filter: brightness(.94);
}

.btn.ghost {
    background: transparent;
    color: var(--chalk);
    border-color: var(--chalk);
}

.btn.sm {
    padding: 8px 18px;
}

.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 56px 5%;
}

.narrow {
    max-width: 640px;
}

.lead {
    font-size: 1.15rem;
    max-width: 60ch;
}

h2 {
    font-size: 1.8rem;
    margin: 0 0 16px;
}

/* ===== GRID ===== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

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

.box {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 22px;
}

.box h3 {
    margin: 0 0 8px;
}

.field {
    border-top: 6px solid var(--turf);
}

.tag {
    display: inline-block;
    background: var(--card);
    font-size: .85rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 99px;
    margin-bottom: 10px;
}

.price {
    font-weight: 600;
    font-size: 1.1rem;
}

.form {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

label {
    display: grid;
    gap: 6px;
    font-weight: 600;
}

input,
select,
textarea {
    font: inherit;
    padding: 10px 12px;
    border: 1px solid #b8bfae;
    border-radius: 6px;
    background: #fff;
}

:focus-visible {
    outline: 3px solid var(--card);
    outline-offset: 2px;
}

.estimate {
    font-size: 1.15rem;
    margin: 0;
}

.info {
    padding-left: 20px;
}

.site-footer {
    background: var(--turf);
    color: var(--chalk);
    text-align: center;
    padding: 24px 5%;
}

.site-footer p {
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .grid.grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .menu-btn {
        display: block;
    }

    nav {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 8px;
    }

    nav.open {
        display: flex;
    }
}

@media (max-width: 560px) {
    .grid.grid-4 {
        grid-template-columns: 1fr;
    }
}
.warning {
    margin: 0;
    padding: 10px 14px;
    background: #fdecea;
    color: #8a1c14;
    border-left: 4px solid #d93025;
    border-radius: 6px;
    font-weight: 600;
}

.warning[hidden] {
    display: none;
}