/* ===========================================================================
   Numeraya — Gaya Utama (app.css)
   Mobile-first. Warna diatur melalui CSS variables agar mudah diganti.
   =========================================================================== */

:root {
    /* Palet merek */
    --nm-navy:        #16294a;   /* warna utama  */
    --nm-navy-700:    #1f386b;
    --nm-teal:        #0e9b8e;   /* warna pendukung */
    --nm-teal-600:    #0c8478;
    --nm-amber:       #f5b335;   /* aksen kuning hangat */
    --nm-amber-600:   #e0a020;
    --nm-cream:       #fcfbf8;   /* latar sangat muda */
    --nm-surface:     #ffffff;
    --nm-ink:         #2a2f38;   /* teks utama (abu-abu gelap) */
    --nm-muted:       #5b6470;   /* teks sekunder */
    --nm-border:      #e7e6e1;
    --nm-border-soft: #f0efea;
    --nm-whatsapp:    #25d366;

    /* Status */
    --nm-success:     #1f8a5b;
    --nm-danger:      #c0392b;

    /* Bentuk & bayangan */
    --nm-radius-sm:   8px;
    --nm-radius:      14px;
    --nm-radius-lg:   22px;
    --nm-shadow:      0 1px 2px rgba(22, 41, 74, .04), 0 8px 24px rgba(22, 41, 74, .06);
    --nm-shadow-soft: 0 1px 2px rgba(22, 41, 74, .04), 0 4px 14px rgba(22, 41, 74, .05);

    /* Tipografi */
    --nm-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* --- Dasar ---------------------------------------------------------------- */
html { scroll-behavior: smooth; }

body {
    font-family: var(--nm-font);
    color: var(--nm-ink);
    background-color: var(--nm-cream);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 { color: var(--nm-navy); font-weight: 700; line-height: 1.25; }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.4rem); }

a { color: var(--nm-teal-600); text-decoration: none; }
a:hover { color: var(--nm-navy); text-decoration: underline; }

.lead { color: var(--nm-muted); }
.text-muted-nm { color: var(--nm-muted) !important; }

.skip-link {
    position: absolute; top: .5rem; left: .5rem; z-index: 2000;
    background: var(--nm-navy); color: #fff; padding: .5rem .9rem; border-radius: var(--nm-radius-sm);
}

/* --- Tombol --------------------------------------------------------------- */
.btn { border-radius: 999px; font-weight: 600; padding: .6rem 1.35rem; }
.btn:focus-visible { outline: 3px solid rgba(14, 155, 142, .45); outline-offset: 2px; }

.btn-nm-primary { background: var(--nm-navy); border-color: var(--nm-navy); color: #fff; }
.btn-nm-primary:hover { background: var(--nm-navy-700); border-color: var(--nm-navy-700); color: #fff; }

.btn-nm-teal { background: var(--nm-teal); border-color: var(--nm-teal); color: #fff; }
.btn-nm-teal:hover { background: var(--nm-teal-600); border-color: var(--nm-teal-600); color: #fff; }

.btn-nm-accent { background: var(--nm-amber); border-color: var(--nm-amber); color: var(--nm-navy); }
.btn-nm-accent:hover { background: var(--nm-amber-600); border-color: var(--nm-amber-600); color: var(--nm-navy); }

.btn-nm-outline { background: transparent; border: 1.5px solid var(--nm-navy); color: var(--nm-navy); }
.btn-nm-outline:hover { background: var(--nm-navy); color: #fff; }

.btn-nm-whatsapp { background: var(--nm-whatsapp); border-color: var(--nm-whatsapp); color: #fff; }
.btn-nm-whatsapp:hover { background: #1eb257; border-color: #1eb257; color: #fff; }

/* --- Navbar --------------------------------------------------------------- */
.nm-navbar {
    background: rgba(252, 251, 248, .92);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--nm-border);
    padding-top: .55rem; padding-bottom: .55rem;
}
.nm-brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; }
.nm-brand, .nm-brand:hover { text-decoration: none; }
.nm-brand-mark {
    display: inline-grid; place-items: center;
    width: 34px; height: 34px; border-radius: 10px;
    background: var(--nm-navy); color: #fff; font-weight: 800; font-size: 1.05rem;
}
.nm-brand-text { color: var(--nm-navy); font-size: 1.2rem; letter-spacing: -.01em; }
.nm-navbar .nav-link { color: var(--nm-ink); font-weight: 500; padding: .5rem .85rem; border-radius: 8px; }
.nm-navbar .nav-link:hover { color: var(--nm-navy); }
.nm-navbar .nav-link.active { color: var(--nm-navy); font-weight: 700; }

/* --- Section umum --------------------------------------------------------- */
.nm-section { padding: clamp(2.75rem, 6vw, 4.75rem) 0; }
.nm-section--alt { background: var(--nm-surface); }
.nm-eyebrow {
    display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em;
    text-transform: uppercase; color: var(--nm-teal-600); margin-bottom: .6rem;
}
.nm-section-title { margin-bottom: .5rem; }
.nm-section-lead { color: var(--nm-muted); max-width: 42rem; }

/* --- Kartu ---------------------------------------------------------------- */
.nm-card {
    background: var(--nm-surface);
    border: 1px solid var(--nm-border);
    border-radius: var(--nm-radius);
    box-shadow: var(--nm-shadow-soft);
    padding: 1.5rem;
    height: 100%;
    transition: transform .18s ease, box-shadow .18s ease;
}
.nm-card:hover { transform: translateY(-3px); box-shadow: var(--nm-shadow); }
.nm-card-icon {
    display: inline-grid; place-items: center;
    width: 48px; height: 48px; border-radius: 12px;
    background: rgba(14, 155, 142, .12); color: var(--nm-teal-600);
    font-size: 1.4rem; margin-bottom: 1rem;
}
.nm-card-icon--navy { background: rgba(22, 41, 74, .09); color: var(--nm-navy); }
.nm-card-icon--amber { background: rgba(245, 179, 53, .18); color: var(--nm-amber-600); }
.nm-card h3 { font-size: 1.2rem; margin-bottom: .5rem; }
.nm-card p { color: var(--nm-muted); margin-bottom: 1rem; }

/* Badge status persiapan */
.nm-badge {
    display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .03em;
    padding: .2rem .6rem; border-radius: 999px; text-transform: uppercase;
}
.nm-badge--prep { background: rgba(245, 179, 53, .18); color: var(--nm-amber-600); }
.nm-badge--live { background: rgba(31, 138, 91, .14); color: var(--nm-success); }
.nm-badge--danger { background: rgba(192, 57, 43, .12); color: var(--nm-danger); }

/* --- Hero ----------------------------------------------------------------- */
.nm-hero { padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem, 5vw, 4rem); }
.nm-hero h1 { margin-bottom: 1rem; }
.nm-hero .lead { font-size: 1.12rem; max-width: 34rem; }
.nm-hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 1rem; }
.nm-hero-note {
    display: inline-flex; align-items: flex-start; gap: .5rem;
    font-size: .92rem; color: var(--nm-muted);
    background: rgba(14, 155, 142, .07); border: 1px solid var(--nm-border);
    padding: .6rem .9rem; border-radius: var(--nm-radius-sm);
}
.nm-hero-visual { display: flex; justify-content: center; }
.nm-hero-visual img, .nm-hero-visual svg { width: 100%; height: auto; max-width: 520px; }

/* --- Daftar keunggulan (ciri) -------------------------------------------- */
.nm-feature { display: flex; gap: .9rem; }
.nm-feature-icon {
    flex: none; width: 44px; height: 44px; border-radius: 12px;
    display: grid; place-items: center; font-size: 1.25rem;
    background: rgba(22, 41, 74, .07); color: var(--nm-navy);
}
.nm-feature h3 { font-size: 1.08rem; margin-bottom: .25rem; }
.nm-feature p { color: var(--nm-muted); margin: 0; font-size: .95rem; }

/* --- Alur / langkah ------------------------------------------------------- */
.nm-step { position: relative; padding-left: 3.25rem; }
.nm-step-num {
    position: absolute; left: 0; top: 0;
    width: 2.35rem; height: 2.35rem; border-radius: 50%;
    display: grid; place-items: center; font-weight: 800;
    background: var(--nm-navy); color: #fff;
}
.nm-step h3 { font-size: 1.05rem; margin-bottom: .2rem; }
.nm-step p { color: var(--nm-muted); font-size: .93rem; margin: 0; }

/* --- Banner CTA ----------------------------------------------------------- */
.nm-cta {
    background: linear-gradient(135deg, var(--nm-navy) 0%, var(--nm-navy-700) 100%);
    color: #fff; border-radius: var(--nm-radius-lg); padding: clamp(2rem, 5vw, 3.25rem);
    text-align: center;
}
.nm-cta h2 { color: #fff; }
.nm-cta p { color: rgba(255, 255, 255, .85); max-width: 40rem; margin: .5rem auto 1.5rem; }

/* --- Section untuk sekolah ----------------------------------------------- */
.nm-school {
    background: var(--nm-navy); color: #fff;
    border-radius: var(--nm-radius-lg); padding: clamp(1.75rem, 4vw, 3rem);
}
.nm-school h2 { color: #fff; }
.nm-school p { color: rgba(255,255,255,.85); }
.nm-school .nm-check { color: #fff; }
.nm-school .nm-check i { color: var(--nm-amber); }

/* --- Daftar centang ------------------------------------------------------- */
.nm-check-list { list-style: none; padding: 0; margin: 0; }
.nm-check { display: flex; gap: .6rem; align-items: flex-start; margin-bottom: .55rem; }
.nm-check i { color: var(--nm-teal-600); margin-top: .18rem; flex: none; }

/* --- Formulir ------------------------------------------------------------- */
.nm-form-wrap {
    background: var(--nm-surface); border: 1px solid var(--nm-border);
    border-radius: var(--nm-radius-lg); box-shadow: var(--nm-shadow-soft);
    padding: clamp(1.25rem, 4vw, 2.25rem);
}
.form-label { font-weight: 600; color: var(--nm-navy); font-size: .93rem; }
.form-label .req { color: var(--nm-danger); }
.form-control, .form-select {
    border-radius: var(--nm-radius-sm); border-color: var(--nm-border);
    padding: .6rem .8rem;
}
.form-control:focus, .form-select:focus {
    border-color: var(--nm-teal); box-shadow: 0 0 0 .2rem rgba(14, 155, 142, .18);
}
.nm-form-section-title {
    font-size: .82rem; text-transform: uppercase; letter-spacing: .06em;
    color: var(--nm-teal-600); font-weight: 700; margin: 1.5rem 0 .25rem;
}
.nm-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Kotak sukses referensi */
.nm-success-box {
    background: rgba(31, 138, 91, .08);
    border: 1px solid rgba(31, 138, 91, .3);
    border-radius: var(--nm-radius); padding: 1.5rem; text-align: center;
}
.nm-ref-number {
    font-size: 1.35rem; font-weight: 800; color: var(--nm-navy);
    letter-spacing: .02em; margin: .5rem 0;
}

/* --- Breadcrumb ----------------------------------------------------------- */
.nm-breadcrumb { font-size: .9rem; }
.nm-breadcrumb a { color: var(--nm-muted); }
.nm-breadcrumb .active { color: var(--nm-navy); }

/* --- FAQ (accordion) ------------------------------------------------------ */
.accordion-button { font-weight: 600; color: var(--nm-navy); }
.accordion-button:not(.collapsed) { background: rgba(14,155,142,.07); color: var(--nm-navy); }
.accordion-button:focus { box-shadow: 0 0 0 .2rem rgba(14, 155, 142, .18); }

/* --- Footer --------------------------------------------------------------- */
.nm-footer { background: var(--nm-navy); color: rgba(255,255,255,.82); padding: 3rem 0 1.75rem; }
.nm-footer h2.nm-footer-heading { color: #fff; font-size: .95rem; font-weight: 700; margin-bottom: .9rem; }
.nm-brand--footer .nm-brand-text { color: #fff; }
.nm-brand--footer .nm-brand-mark { background: #fff; color: var(--nm-navy); }
.nm-footer-tagline { color: rgba(255,255,255,.9); font-weight: 600; margin: .9rem 0 .5rem; }
.nm-footer-note { font-size: .9rem; color: rgba(255,255,255,.65); }
.nm-footer-links { list-style: none; padding: 0; margin: 0; }
.nm-footer-links li { margin-bottom: .5rem; }
.nm-footer-links a { color: rgba(255,255,255,.78); font-size: .93rem; }
.nm-footer-links a:hover { color: #fff; text-decoration: underline; }
.nm-footer-contact { margin-top: 1rem; font-size: .92rem; }
.nm-footer-contact a { color: rgba(255,255,255,.9); }
.nm-footer-divider { border-color: rgba(255,255,255,.15); margin: 2rem 0 1rem; }
.nm-footer-bottom { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: space-between; font-size: .88rem; color: rgba(255,255,255,.6); }
.nm-footer-small a { color: rgba(255,255,255,.75); }

/* --- WhatsApp mengambang -------------------------------------------------- */
.nm-wa-float {
    position: fixed; right: 1rem; bottom: 1rem; z-index: 1030;
    width: 54px; height: 54px; border-radius: 50%;
    background: var(--nm-whatsapp); color: #fff;
    display: grid; place-items: center; font-size: 1.6rem;
    box-shadow: 0 6px 18px rgba(37, 211, 102, .45);
}
.nm-wa-float:hover { color: #fff; transform: scale(1.05); text-decoration: none; }

/* --- Utilitas ------------------------------------------------------------- */
.nm-pill {
    display: inline-flex; align-items: center; gap: .4rem;
    background: rgba(14,155,142,.1); color: var(--nm-teal-600);
    font-size: .82rem; font-weight: 600; padding: .3rem .8rem; border-radius: 999px;
}
.nm-divider-soft { border: 0; border-top: 1px solid var(--nm-border); margin: 2.5rem 0; }
.bg-cream { background: var(--nm-cream); }

/* --- Hero illustration cards (SVG-free numeric motif) --------------------- */
.nm-hero-card {
    background: var(--nm-surface); border: 1px solid var(--nm-border);
    border-radius: var(--nm-radius); box-shadow: var(--nm-shadow);
    padding: 1.25rem;
}

/* --- Aksesibilitas: focus terlihat --------------------------------------- */
a:focus-visible, button:focus-visible, .accordion-button:focus-visible {
    outline: 3px solid rgba(14, 155, 142, .5); outline-offset: 2px;
}

@media (min-width: 992px) {
    .nm-hero h1 { font-size: clamp(2.4rem, 3.4vw, 3.1rem); }
}

/* --- Isi artikel: tipografi nyaman dibaca -------------------------------- */
.nm-article-body { font-size: 1.03rem; line-height: 1.75; color: var(--nm-ink, #2a2f38); }
.nm-article-body > * + * { margin-top: 1.05rem; }
.nm-article-body h2 {
    font-size: 1.4rem; font-weight: 700; color: var(--nm-navy, #16294a);
    margin-top: 2.2rem; margin-bottom: .6rem; line-height: 1.3;
}
.nm-article-body h3 {
    font-size: 1.15rem; font-weight: 700; color: var(--nm-navy, #16294a);
    margin-top: 1.7rem; margin-bottom: .5rem;
}
.nm-article-body h4 { font-size: 1.03rem; font-weight: 700; margin-top: 1.4rem; }
.nm-article-body ul, .nm-article-body ol { padding-left: 1.4rem; }
.nm-article-body li + li { margin-top: .4rem; }
.nm-article-body img { max-width: 100%; height: auto; border-radius: 10px; display: block; }
.nm-article-body a { color: #0e7f75; text-underline-offset: 3px; }
.nm-article-body blockquote {
    border-left: 4px solid var(--nm-teal, #0e9b8e); background: #f7fbfa;
    margin: 1.4rem 0; padding: .9rem 1.1rem; border-radius: 0 8px 8px 0; color: #40525c;
}
.nm-article-body pre {
    background: #f4f5f7; padding: .9rem 1rem; border-radius: 8px; overflow-x: auto; font-size: .92rem;
}
.nm-article-body code { background: #f4f5f7; padding: .12rem .35rem; border-radius: 4px; font-size: .93em; }
.nm-article-body pre code { background: none; padding: 0; }
.nm-article-body table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.nm-article-body th, .nm-article-body td { border: 1px solid var(--nm-border, #e7e6e1); padding: .55rem .7rem; text-align: left; }
.nm-article-body th { background: #f7f7f5; }
.nm-article-body figcaption { font-size: .87rem; color: var(--nm-muted, #5b6470); margin-top: .4rem; }