/* ==========================================================
   GoPlafon.id — Stylesheet utama
   Warna & ukuran diatur di :root, ubah di sini kalau mau
   mengganti tema seluruh halaman sekaligus.
   ========================================================== */

:root {
    --navy: #243c5a;
    --navy-tua: #1a2c43;
    --navy-muda: #35547a;
    --wa: #25d366;
    --wa-tua: #1da851;
    --abu-bg: #f1f3f6;
    --abu-teks: #5b6472;
    --putih: #ffffff;
    --radius: 24px;
    --radius-kecil: 14px;
    --lebar: 960px;
    --bayang: 0 10px 30px rgba(36, 60, 90, .10);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--abu-bg);
    color: var(--navy);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

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

.wadah {
    max-width: var(--lebar);
    margin: 0 auto;
    padding: 0 16px;
}

/* ---------- HEADER ---------- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
}

.header-isi {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    max-width: var(--lebar);
    margin: 0 auto;
}

.merek {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -.02em;
}

.merek img {
    height: 38px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav a {
    padding: 7px 14px;
    border-radius: 999px;
    font-size: .9rem;
    font-weight: 500;
    transition: background .2s, color .2s;
}

.nav a:hover,
.nav a:focus-visible {
    background: var(--abu-bg);
}

.nav .nav-wa {
    background: var(--wa);
    color: #fff;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.nav .nav-wa:hover {
    background: var(--wa-tua);
}

.nav-wa svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    flex-shrink: 0;
}

/* tombol hamburger — hanya tampil di layar kecil */
.tombol-menu {
    display: none;
    background: none;
    border: 1.5px solid var(--navy);
    border-radius: 10px;
    padding: 7px 9px;
    cursor: pointer;
    color: var(--navy);
}

.tombol-menu svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
}

/* ---------- HERO ---------- */
.hero {
    position: relative;
    max-width: var(--lebar);
    margin: 20px auto 40px;
    padding: 0 16px;
    scroll-margin-top: 90px;
}

.hero-kotak {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--bayang);
    min-height: 460px;
    display: flex;
    align-items: flex-end;
}

.hero-kotak img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* lapisan gelap supaya teks putih terbaca jelas */
.hero-kotak::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(20, 32, 48, .72) 0%, rgba(20, 32, 48, .55) 45%, rgba(20, 32, 48, .82) 100%);
}

.hero-teks {
    position: relative;
    z-index: 2;
    padding: 32px 26px;
    color: #fff;
    width: 100%;
}

.hero-label {
    display: inline-block;
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .3);
    padding: 5px 14px;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 500;
    margin-bottom: 14px;
}

.hero h1 {
    font-size: 1.75rem;
    line-height: 1.25;
    font-weight: 700;
    letter-spacing: -.02em;
    margin-bottom: 12px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, .35);
}

.hero p {
    font-size: 1rem;
    max-width: 540px;
    margin-bottom: 22px;
    color: rgba(255, 255, 255, .93);
}

.hero-harga {
    font-weight: 600;
    color: #ffd98a;
}

.hero-tombol {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 26px;
}

.tombol {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 13px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .95rem;
    transition: transform .15s, background .2s, box-shadow .2s;
}

.tombol:active {
    transform: scale(.97);
}

.tombol svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    flex-shrink: 0;
}

.tombol-wa {
    background: var(--wa);
    color: #fff;
    box-shadow: 0 6px 18px rgba(37, 211, 102, .35);
}

.tombol-wa:hover {
    background: var(--wa-tua);
}

.tombol-putih {
    background: rgba(255, 255, 255, .14);
    border: 1.5px solid rgba(255, 255, 255, .65);
    color: #fff;
    backdrop-filter: blur(4px);
}

.tombol-putih:hover {
    background: #fff;
    color: var(--navy);
}

/* baris bukti: sejak 2017 · 50+ proyek · 7 kota */
.hero-bukti {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, .22);
    font-size: .85rem;
    color: rgba(255, 255, 255, .92);
}

.hero-bukti span {
    display: flex;
    align-items: center;
    gap: 7px;
}

.hero-bukti b {
    font-size: 1.05rem;
    font-weight: 700;
}

/* ---------- BLOK SEKSI ---------- */
.seksi {
    padding: 0 16px;
    margin-bottom: 36px;
    scroll-margin-top: 90px;
}

.kartu-besar {
    max-width: var(--lebar);
    margin: 0 auto;
    background: var(--navy);
    border-radius: var(--radius);
    padding: 34px 26px;
    box-shadow: var(--bayang);
    color: #fff;
}

.kartu-besar.terang {
    background: #fff;
    color: var(--navy);
}

.judul-seksi {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -.02em;
    margin-bottom: 6px;
}

.sub-seksi {
    font-size: .95rem;
    opacity: .85;
    margin-bottom: 24px;
    max-width: 620px;
}

.kartu-besar.terang .sub-seksi {
    color: var(--abu-teks);
    opacity: 1;
}

/* ---------- LAYANAN ---------- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.kartu-layanan {
    background: #fff;
    color: var(--navy);
    border-radius: var(--radius-kecil);
    padding: 28px 24px;
    text-align: center;
}

.kartu-layanan img {
    height: 74px;
    width: auto;
    margin: 0 auto 16px;
    object-fit: contain;
}

.kartu-layanan h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.kartu-layanan p {
    font-size: .92rem;
    color: var(--abu-teks);
}

.kartu-layanan .catatan {
    display: inline-block;
    margin-top: 14px;
    background: var(--abu-bg);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: .82rem;
    font-weight: 600;
    color: var(--navy);
}

/* ---------- HARGA & PROSES ---------- */
.harga-kotak {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-muda) 100%);
    color: #fff;
    border-radius: var(--radius-kecil);
    padding: 26px;
    text-align: center;
    margin-bottom: 26px;
}

.harga-angka {
    font-size: 2.1rem;
    font-weight: 700;
    letter-spacing: -.03em;
    line-height: 1.2;
}

.harga-angka small {
    font-size: .95rem;
    font-weight: 500;
    opacity: .85;
}

.harga-kotak p {
    font-size: .9rem;
    opacity: .88;
    margin-top: 8px;
}

.langkah {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    counter-reset: nomor;
}

.langkah-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--abu-bg);
    border-radius: var(--radius-kecil);
    padding: 16px 18px;
}

.langkah-item::before {
    counter-increment: nomor;
    content: counter(nomor);
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--navy);
    color: #fff;
    font-weight: 700;
    font-size: .9rem;
    display: grid;
    place-items: center;
}

.langkah-item h4 {
    font-size: .98rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.langkah-item p {
    font-size: .88rem;
    color: var(--abu-teks);
}

/* ---------- GALERI ---------- */
.grid-galeri {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.galeri-item {
    position: relative;
    border: none;
    padding: 0;
    background: none;
    cursor: zoom-in;
    border-radius: var(--radius-kecil);
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

.galeri-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
}

.galeri-item:hover img {
    transform: scale(1.06);
}

/* ---------- MENGAPA ---------- */
.grid-mengapa {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.kartu-mengapa {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--radius-kecil);
    padding: 18px;
}

.kartu-mengapa svg {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: .92;
}

.kartu-mengapa h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.kartu-mengapa p {
    font-size: .87rem;
    color: rgba(255, 255, 255, .84);
    line-height: 1.6;
}

/* ---------- AREA LAYANAN ---------- */
.daftar-area {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
}

.daftar-area li {
    background: var(--abu-bg);
    border-radius: 999px;
    padding: 9px 18px;
    font-size: .92rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.daftar-area svg {
    width: 15px;
    height: 15px;
    fill: var(--navy);
    opacity: .6;
}

.catatan-area {
    margin-top: 18px;
    font-size: .88rem;
    color: var(--abu-teks);
}

/* ---------- FAQ ---------- */
.faq {
    display: grid;
    gap: 12px;
}

.faq-item {
    border: 1px solid #e4e8ee;
    border-radius: var(--radius-kecil);
    overflow: hidden;
    background: #fff;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 16px 48px 16px 18px;
    font-weight: 600;
    font-size: .98rem;
    color: var(--navy);
    position: relative;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    font-weight: 400;
    line-height: 1;
    color: var(--navy-muda);
}

.faq-item[open] summary::after {
    content: "\2212";
    /* tanda minus */
}

.faq-item summary:focus-visible {
    outline: 3px solid #ffd98a;
    outline-offset: -3px;
}

.faq-isi {
    padding: 0 18px 16px;
}

.faq-isi p {
    font-size: .92rem;
    color: var(--abu-teks);
}

/* ---------- KONTAK ---------- */
.kontak-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 24px;
}

.info-item {
    display: flex;
    gap: 13px;
    align-items: flex-start;
    background: rgba(255, 255, 255, .08);
    border-radius: var(--radius-kecil);
    padding: 16px 18px;
}

.info-item svg {
    width: 21px;
    height: 21px;
    fill: #fff;
    flex-shrink: 0;
    opacity: .85;
    margin-top: 2px;
}

.info-item h4 {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    opacity: .7;
    font-weight: 500;
    margin-bottom: 2px;
}

.info-item p {
    font-size: .95rem;
    font-weight: 500;
}

.tombol-wa-besar {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
    margin-bottom: 22px;
}

.sosmed {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.sosmed a {
    background: #fff;
    color: var(--navy);
    border-radius: 999px;
    padding: 12px;
    font-weight: 600;
    font-size: .92rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    transition: transform .15s, box-shadow .2s;
}

.sosmed a:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(0, 0, 0, .18);
}

.sosmed svg {
    width: 19px;
    height: 19px;
    fill: var(--navy);
    flex-shrink: 0;
}

/* pin lokasi bentuknya ramping, sedikit diperbesar agar seimbang
   dengan ikon merek di sebelahnya */
.sosmed svg.ikon-pin {
    width: 23px;
    height: 23px;
    margin: -2px 0;
}

/* ---------- FOOTER ---------- */
.footer {
    background: var(--navy-tua);
    color: rgba(255, 255, 255, .8);
    padding: 34px 16px 28px;
    text-align: center;
}

.footer .merek {
    justify-content: center;
    color: #fff;
    margin-bottom: 12px;
}

.footer p {
    font-size: .88rem;
    margin-bottom: 6px;
}

.footer-garis {
    max-width: var(--lebar);
    margin: 20px auto 0;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, .14);
    font-size: .8rem;
    opacity: .7;
}

/* ---------- TOMBOL WA MELAYANG ---------- */
.wa-melayang {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 90;
    background: var(--wa);
    color: #fff;
    border-radius: 999px;
    padding: 13px 20px;
    font-weight: 600;
    font-size: .93rem;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    box-shadow: 0 8px 24px rgba(37, 211, 102, .45);
    transition: transform .15s, background .2s;
}

.wa-melayang:hover {
    background: var(--wa-tua);
    transform: translateY(-2px);
}

.wa-melayang svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    flex-shrink: 0;
}

/* ---------- LIGHTBOX GALERI ---------- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(12, 20, 32, .93);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lightbox.tampil {
    display: flex;
}

.lightbox img {
    max-width: 100%;
    max-height: 86vh;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}

.lightbox button {
    position: absolute;
    background: rgba(255, 255, 255, .14);
    border: none;
    color: #fff;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background .2s;
}

.lightbox button:hover {
    background: rgba(255, 255, 255, .3);
}

.lb-tutup {
    top: 18px;
    right: 18px;
}

.lb-prev {
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
}

.lb-next {
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
}

/* aksesibilitas: garis fokus jelas untuk pengguna keyboard */
a:focus-visible,
button:focus-visible {
    outline: 3px solid #ffd98a;
    outline-offset: 3px;
}

/* ==========================================================
   LAYAR BESAR (tablet ke atas)
   ========================================================== */
@media (min-width: 768px) {
    body {
        padding-bottom: 0;
    }

    .hero-kotak {
        min-height: 480px;
    }

    .hero-teks {
        padding: 44px 46px;
    }

    .hero h1 {
        font-size: 2.6rem;
    }

    .hero p {
        font-size: 1.08rem;
    }

    .kartu-besar {
        padding: 42px 40px;
    }

    .judul-seksi {
        font-size: 1.9rem;
    }

    .grid-2,
    .grid-mengapa,
    .kontak-info {
        grid-template-columns: 1fr 1fr;
    }

    .grid-galeri {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .langkah {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .harga-angka {
        font-size: 2.6rem;
    }

    .tombol-wa-besar {
        width: auto;
        min-width: 320px;
        margin-left: auto;
        margin-right: auto;
    }

    .kontak-tengah {
        text-align: center;
    }
}

/* ==========================================================
   LAYAR KECIL (HP) — menu hamburger
   ========================================================== */
@media (max-width: 767px) {

    /* ruang untuk tombol WA melayang dibuat di dalam footer,
       supaya bagian paling bawah tetap berwarna gelap (tidak putih) */
    .footer {
        padding-bottom: 96px;
    }

    .tombol-menu {
        display: block;
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 12px 16px 18px;
        box-shadow: 0 12px 24px rgba(0, 0, 0, .12);
        border-top: 1px solid #eceff3;
    }

    .nav.buka {
        display: flex;
    }

    .nav a {
        padding: 12px 14px;
        border-radius: var(--radius-kecil);
        font-size: 1rem;
    }

    .nav .nav-wa {
        justify-content: center;
        margin-top: 6px;
    }

    .merek {
        font-size: 1.1rem;
    }

    .merek img {
        height: 32px;
    }
}

/* hormati preferensi pengguna yang mematikan animasi */
@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    * {
        transition: none !important;
        animation: none !important;
    }
}