/* =========================================
   DESIGN TOKENS
   Palet dipersempit jadi satu keluarga warna
   (tinta gelap + krem hangat + satu aksen kuningan)
   supaya terasa lebih "dipilih", bukan sekadar
   oranye/biru/pink yang bersaing satu sama lain.
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600&display=swap');

:root {
    /* Warna inti */
    --ink: #16151a;
    --ink-soft: #4a4850;
    --paper: #fdfcf9;         /* putih hangat, bukan putih tajam */
    --paper-alt: #f6f4ef;
    --line: #e7e3da;

    --accent: #a9812f;        /* satu aksen kuningan/brass, dipakai konsisten */
    --accent-soft: rgba(169, 129, 47, 0.12);
    --accent-line: rgba(169, 129, 47, 0.35);

    /* Tipografi */
    --font-display: 'Fraunces', 'Plus Jakarta Sans', serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Radius & transisi */
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-pill: 999px;
    --ease: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--paper);
    color: var(--ink);
    line-height: 1.65;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

a { font-family: inherit; }

::selection {
    background: var(--accent-soft);
    color: var(--ink);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* =========================================
   ATMOSFER LATAR — satu titik cahaya lembut,
   bukan tiga blob warna-warni yang saling
   berebut perhatian. Gerakannya dipelankan
   supaya terasa "napas", bukan animasi ramai.
   ========================================= */
body::before {
    content: '';
    position: fixed;
    inset: -10%;
    z-index: -2;
    background-image:
        radial-gradient(circle at 18% 12%, rgba(169, 129, 47, 0.10) 0%, transparent 45%),
        radial-gradient(circle at 85% 85%, rgba(169, 129, 47, 0.06) 0%, transparent 50%);
    animation: breathe 26s ease-in-out infinite;
    pointer-events: none;
}

@keyframes breathe {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(-2%, 2%) scale(1.05); }
}

/* Butir halus, jumlah dikurangi (3, bukan 6) dan
   warna disatukan ke aksen tunggal agar terasa
   sebagai detail, bukan efek. */
.particles {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.particles span {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: var(--size);
    height: var(--size);
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-line) 0%, transparent 70%);
    opacity: 0;
    animation: particleFloat var(--duration) ease-in-out infinite;
    animation-delay: var(--delay, 0s);
}

.particles span:nth-child(1) { --x: 12%; --y: 92%; --size: 5px; --duration: 18s; }
.particles span:nth-child(2) { --x: 50%; --y: 90%; --size: 4px; --duration: 22s; --delay: 3s; }
.particles span:nth-child(3) { --x: 82%; --y: 88%; --size: 6px; --duration: 20s; --delay: 6s; }

@keyframes particleFloat {
    0%   { transform: translateY(0); opacity: 0; }
    15%  { opacity: 0.5; }
    85%  { opacity: 0.25; }
    100% { transform: translateY(-90vh); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    body::before,
    .hero::after,
    .particles span {
        animation: none !important;
    }
}

/* =========================================
   HEADER & NAVIGASI
   Pill nav dibuat lebih "diam": garis tipis,
   bukan latar abu-abu tebal. Status aktif
   dibedakan lewat warna tinta solid, bukan
   kotak abu-abu generik.
   ========================================= */
header {
    background-color: rgba(253, 252, 249, 0.8);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding-top: 10px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2.1rem;
    background: transparent;
    padding: 0;
    border-radius: 0;
    border: none;
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-soft);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92rem;
    letter-spacing: 0.01em;
    padding: 0.4rem 0.05rem;
    border-radius: 0;
    transition: color var(--ease);
}

/* Garis bawah tipis yang muncul dari tengah, bukan
   latar kotak — jejak aktif/hover terasa halus. */
.nav-link::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -2px;
    width: 0;
    height: 1.5px;
    background: var(--accent);
    transform: translateX(-50%);
    transition: width var(--ease);
}

.nav-link:hover {
    color: var(--ink);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    background-color: transparent;
    color: var(--ink);
    font-weight: 600;
}

.nav-link.active::after {
    width: 100%;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--ink);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    transition: opacity var(--ease);
    z-index: 1001;
}

.brand:hover { opacity: 0.8; }

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.brand-text,
.brand-text span {
    color: var(--ink);
}

.brand-text span {
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--ink-soft);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 22px;
    height: 1.5px;
    background-color: var(--ink);
    border-radius: 2px;
    transition: transform var(--ease), opacity var(--ease);
}

/* =========================================
   HERO
   Judul memakai serif display (Fraunces) supaya
   ada karakter dan bobot, bukan sans generik yang
   dibesarkan. Garis tipis di bawah eyebrow jadi
   elemen tanda tangan halaman — satu detail kecil
   yang konsisten dipakai ulang, bukan dekorasi acak.
   ========================================= */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 620px;
    height: 620px;
    background: radial-gradient(circle, rgba(169, 129, 47, 0.07) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: -1;
    animation: pulseGlow 9s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.7; }
    50%      { opacity: 1; }
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
}

.hero-eyebrow::before {
    content: '';
    width: 22px;
    height: 1px;
    background: var(--accent);
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 4.2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.08;
    margin-bottom: 22px;
    max-width: 780px;
    color: var(--ink);
}

.hero p {
    font-size: 1.15rem;
    color: var(--ink-soft);
    max-width: 560px;
    margin-bottom: 40px;
}

.btn-primary {
    display: inline-block;
    background-color: var(--ink);
    color: var(--paper);
    padding: 13px 32px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    border: 1px solid var(--ink);
    transition: background-color var(--ease), color var(--ease), transform var(--ease);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--ink);
    transform: translateY(-2px);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    background: var(--paper-alt);
    border-top: 1px solid var(--line);
    padding: 64px 20px 24px;
    margin-top: 100px;
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto 44px;
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1fr;
    gap: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--ink);
    margin-bottom: 15px;
}

.footer-logo { height: 32px; }

.footer-desc {
    color: var(--ink-soft);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    color: var(--ink);
    margin-bottom: 18px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--ease);
}

.footer-links a:hover { color: var(--accent); }

.contact-item {
    color: var(--ink-soft);
    font-size: 0.88rem;
    margin-bottom: 10px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.social-btn {
    display: inline-block;
    padding: 9px 14px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    color: var(--ink);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    transition: background-color var(--ease), color var(--ease), border-color var(--ease);
}

.social-btn:hover {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--paper);
}

.footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    padding-top: 25px;
    border-top: 1px solid var(--line);
    text-align: center;
    font-size: 0.83rem;
    color: var(--ink-soft);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
    header {
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .hamburger {
        display: flex;
        position: relative;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: var(--paper-alt);
        border: 1px solid var(--line);
        transition: background-color var(--ease), border-color var(--ease);
    }

    .hamburger span {
        position: absolute;
        width: 18px;
        transition: transform var(--ease), opacity .2s ease, width var(--ease);
    }
    .hamburger span:nth-child(1) { transform: translateY(-5px); }
    .hamburger span:nth-child(2) { transform: translateY(0); }
    .hamburger span:nth-child(3) { transform: translateY(5px); }

    .hamburger.open {
        background: var(--ink);
        border-color: var(--ink);
    }
    .hamburger.open span { background: var(--paper); }
    .hamburger.open span:nth-child(1) { transform: rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
    .hamburger.open span:nth-child(3) { transform: rotate(-45deg); }

    /* Panel menu: melebar penuh, meluncur turun dari atas */
    .nav-menu {
        display: flex;
        flex-direction: column;
        gap: 4px;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 100vh;
        overflow-y: auto;
        padding: 84px 1.5rem 2rem;
        background: rgba(253, 252, 249, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: none;
        border-bottom: 1px solid var(--line);
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        box-shadow: 0 18px 40px rgba(22, 21, 26, 0.12);
        opacity: 0;
        transform: translateY(-100%);
        pointer-events: none;
        visibility: hidden;
        transition: transform .45s var(--ease), opacity .3s ease, visibility .45s;
        z-index: 999;
    }

    .nav-menu.active {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
        visibility: visible;
    }

    /* Item muncul satu per satu */
    .nav-menu li {
        width: 100%;
        opacity: 0;
        transform: translateX(14px);
        transition: opacity .3s ease, transform var(--ease);
    }
    .nav-menu.active li {
        opacity: 1;
        transform: none;
    }
    .nav-menu.active li:nth-child(1) { transition-delay: .05s; }
    .nav-menu.active li:nth-child(2) { transition-delay: .10s; }
    .nav-menu.active li:nth-child(3) { transition-delay: .15s; }
    .nav-menu.active li:nth-child(4) { transition-delay: .20s; }
    .nav-menu.active li:nth-child(5) { transition-delay: .25s; }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: 12px 14px;
        border-radius: var(--radius-sm);
        font-size: 0.95rem;
        transition: background-color var(--ease), color var(--ease);
    }
    .nav-link::after { display: none; }

    .nav-link:hover,
    .nav-link:active {
        background: var(--accent-soft);
        color: var(--ink);
    }

    .nav-link.active {
        background: var(--ink);
        color: var(--paper);
        font-weight: 600;
    }

    .hero { min-height: 68vh; }
    .hero h1 { font-size: 2.4rem; }
    .hero p { font-size: 1rem; padding: 0 10px; }
    .brand-text { font-size: 0.9rem; }
    .particles span:nth-child(3) { display: none; }
    .footer-container { grid-template-columns: 1fr; gap: 32px; }
}

/* =========================================
   EFEK GERAK BACKGROUND — HANYA DESKTOP
   Aktif di layar > 768px, dan tetap dimatikan
   jika pengguna mengaktifkan reduced motion.
   ========================================= */
@media (min-width: 769px) and (prefers-reduced-motion: no-preference) {

    /* Blob cahaya kuningan yang bergerak pelan
       di belakang konten, melengkapi titik cahaya
       yang sudah ada di body::before */
    body::after {
        content: '';
        position: fixed;
        inset: 0;
        z-index: -2;
        pointer-events: none;
        background-image:
            radial-gradient(circle at 30% 40%, rgba(169, 129, 47, 0.08) 0%, transparent 35%),
            radial-gradient(circle at 70% 60%, rgba(169, 129, 47, 0.05) 0%, transparent 40%);
        animation: drift 32s ease-in-out infinite alternate;
        will-change: transform;
    }

    /* Garis-garis tipis diagonal yang perlahan bergeser,
       memberi tekstur halus tanpa mengganggu bacaan */
    .bg-lines {
        position: fixed;
        inset: -50%;
        z-index: -3;
        pointer-events: none;
        background-image: repeating-linear-gradient(
            115deg,
            transparent 0px,
            transparent 118px,
            var(--line) 119px,
            transparent 120px
        );
        opacity: 0.35;
        animation: linesShift 60s linear infinite;
        will-change: transform;
    }

    @keyframes drift {
        0%   { transform: translate(0, 0) scale(1); }
        100% { transform: translate(4%, -3%) scale(1.08); }
    }

    @keyframes linesShift {
        0%   { transform: translate(0, 0); }
        100% { transform: translate(120px, 120px); }
    }
}

/* =========================================
   PEMBEDAAN NAVBAR & FOOTER (REVISI)
   Navbar sedikit lebih terang dari sebelumnya,
   footer lebih terang dari body, dan semua
   teks footer dibuat ulang agar terbaca.
   ========================================= */
:root {
    --nav-bg: rgba(16, 28, 54, 0.88);
    --nav-bg-solid: rgba(16, 28, 54, 0.98);

    --footer-bg-top: #17274a;
    --footer-bg-bottom: #0c1730;
    --footer-line: rgba(245, 179, 60, 0.5);
    --footer-divider: rgba(159, 179, 209, 0.16);

    --footer-text: #c9d6ec;
    --footer-muted: #9fb3d1;
    --footer-heading: #f5b33c;
    --footer-white: #e8eefb;
}

header {
    background-color: var(--nav-bg);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}

@media (max-width: 768px) {
    .nav-menu {
        background: var(--nav-bg-solid);
    }
}

/* ---------- FOOTER ---------- */
.footer {
    background: linear-gradient(180deg, var(--footer-bg-top) 0%, var(--footer-bg-bottom) 100%);
    border-top: 1px solid var(--footer-line);
}

.footer-brand,
.footer-col h4 {
    color: var(--footer-white);
}

.footer-col h4 {
    color: var(--footer-heading);
}

.footer-desc,
.contact-item,
.footer-bottom {
    color: var(--footer-text);
}

.footer-links a {
    color: var(--footer-text);
}

.footer-links a:hover {
    color: var(--footer-heading);
}

.social-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--footer-divider);
    color: var(--footer-white);
}

.social-btn:hover {
    background: var(--footer-heading);
    border-color: var(--footer-heading);
    color: var(--ink-on-accent, #0b1220);
}

.footer-bottom {
    border-top: 1px solid var(--footer-divider);
}

/* =========================================
   FIX MENU MOBILE
   Latar panel dibuat solid dan semua link
   dipaksa memakai warna terang agar terbaca.
   ========================================= */
@media (max-width: 768px) {
    .nav-menu {
        background-color: #101c36;
        opacity: 1;
    }

    .nav-menu.active {
        opacity: 1;
    }

    .nav-menu .nav-link {
        color: #c9d6ec;
        background-color: transparent;
        font-weight: 500;
    }

    .nav-menu .nav-link:hover,
    .nav-menu .nav-link:active {
        background-color: rgba(245, 179, 60, 0.12);
        color: #e8eefb;
    }

    .nav-menu .nav-link.active {
        background-color: #f5b33c;
        color: #0b1220;
        font-weight: 600;
    }
}

/* =========================================
   FIX KETERBACAAN NAVBAR DESKTOP
   Latar dibuat lebih solid agar tidak
   tembus ke gambar di belakang, dan semua
   teks navbar dipaksa terang.
   ========================================= */
header {
    background-color: #101c36;
    background-image: none;
}

header .navbar .brand,
header .navbar .brand-text,
header .navbar .brand-text span {
    color: #ffffff;
}

header .navbar .brand-text span {
    color: #c9d6ec;
}

header .navbar .nav-menu .nav-link {
    color: #d6e2f5;
    font-weight: 500;
}

header .navbar .nav-menu .nav-link:hover {
    color: #ffffff;
}

header .navbar .nav-menu .nav-link.active {
    color: #ffffff;
    font-weight: 600;
}

header .navbar .nav-menu .nav-link::after {
    background: #f5b33c;
    height: 2px;
}

@media (max-width: 768px) {
    header .navbar .nav-menu .nav-link {
        color: #c9d6ec;
    }
}

/* =========================================
   FIX TOMBOL HAMBURGER
   Dibuat gelap dengan garis emas/terang
   agar serasi dengan navbar.
   ========================================= */
@media (max-width: 768px) {
    header .navbar .hamburger {
        background: rgba(245, 179, 60, 0.12);
        border: 1px solid rgba(245, 179, 60, 0.35);
    }

    header .navbar .hamburger span {
        background-color: #f5b33c;
    }

    header .navbar .hamburger.open {
        background: #f5b33c;
        border-color: #f5b33c;
    }

    header .navbar .hamburger.open span {
        background-color: #0b1220;
    }
}

/* =========================================
   LATAR PUTIH DI BELAKANG LOGO (SIMETRIS)
   Logo dibuat persegi dengan lingkaran putih
   yang tidak lonjong.
   ========================================= */
header .navbar .logo-img,
header .navbar img {
    width: 40px;
    height: 40px;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    background-color: #ffffff;
    border-radius: 50%;
    padding: 4px;
    box-sizing: border-box;
    display: block;
}