/* ============================================================
   Sentra Digital Kreatif (SDK Group) — parent / holding site
   Premium neutral: graphite + paper + indigo. The four brands carry
   their own accent colors via per-card --c.
   Theme-aware: [data-theme="light"] (default) + [data-theme="dark"]
   ============================================================ */

:root {
  --accent:   #4f46e5;   /* indigo */
  --accent-2: #b16cff;   /* violet — two-tone ala Vespera */
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --font-display: 'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ease: cubic-bezier(.22,.61,.36,1);
}
/* LIGHT (default) */
:root, [data-theme="light"] {
  --bg:        #ffffff;
  --bg-alt:    #f5f5f8;
  --surface:   #ffffff;
  --ink:       #3a3a44;
  --ink-soft:  #6b6b78;
  --heading:   #0e0e14;
  --border:    rgba(14,14,20,.1);
  --border-soft: rgba(14,14,20,.06);
  --nav-bg:        rgba(255,255,255,.72);
  --nav-bg-solid:  rgba(255,255,255,.93);
  --shadow:    0 26px 60px -26px rgba(20,20,40,.22);
  --shadow-sm: 0 10px 30px -16px rgba(20,20,40,.14);
  --aura-op:   .14;
}
/* DARK */
[data-theme="dark"] {
  --bg:        #0e0e13;
  --bg-alt:    #16161d;
  --surface:   #181820;
  --ink:       #d6d6e0;
  --ink-soft:  #9595a6;
  --heading:   #ffffff;
  --border:    rgba(255,255,255,.1);
  --border-soft: rgba(255,255,255,.06);
  --accent:    #8b85ff;
  --accent-2:  #c9a2ff;
  --nav-bg:        rgba(14,14,19,.6);
  --nav-bg-solid:  rgba(14,14,19,.9);
  --shadow:    0 26px 60px -26px rgba(0,0,0,.6);
  --shadow-sm: 0 10px 30px -16px rgba(0,0,0,.5);
  --aura-op:   .22;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); color: var(--ink); background: var(--bg); line-height: 1.6; overflow-x: hidden; transition: background .4s var(--ease), color .4s var(--ease); }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 92vw); margin: 0 auto; }
h1,h2,h3 { font-family: var(--font-display); color: var(--heading); letter-spacing: -.02em; }

/* Glow dua nada: orb kedua adalah campuran accent -> accent-2, bukan warna
   mentah, jadi keduanya selalu terasa satu keluarga berapa pun accent-nya.
   Sebelumnya orb ini memakai #ff6a2b — oranye milik Forgia. Induk tidak boleh
   meminjam warna anak brand. */
.aura { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.aura span { position: absolute; border-radius: 50%; filter: blur(110px); opacity: var(--aura-op); background: radial-gradient(circle, var(--accent) 0%, transparent 65%); will-change: transform; }
.aura span:nth-child(1) { width: 540px; height: 540px; top: -200px; right: -140px; animation: aura-1 30s ease-in-out infinite alternate; }
.aura span:nth-child(2) { width: 460px; height: 460px; bottom: -200px; left: -160px; background: radial-gradient(circle, var(--accent-2) 0%, transparent 65%); background: radial-gradient(circle, color-mix(in oklab, var(--accent) 45%, var(--accent-2)) 0%, transparent 65%); opacity: calc(var(--aura-op) * .82); animation: aura-2 38s ease-in-out infinite alternate; }
.aura span:nth-child(3) { width: 360px; height: 360px; bottom: -120px; right: 12%; background: radial-gradient(circle, var(--accent-2) 0%, transparent 68%); opacity: calc(var(--aura-op) * .5); animation: aura-3 46s ease-in-out infinite alternate; }
@keyframes aura-1 { from { transform: none; } to { transform: translate(-11%, 13%) scale(1.16); } }
@keyframes aura-2 { from { transform: none; } to { transform: translate(14%, -10%) scale(1.12); } }
@keyframes aura-3 { from { transform: none; } to { transform: translate(-9%, -15%) scale(1.2); } }
@media (prefers-reduced-motion: reduce) { .aura span { animation: none; } }

/* nav */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; padding: 16px 0; background: var(--nav-bg); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border-soft); transition: padding .3s var(--ease), background .3s var(--ease); }
.nav.scrolled { padding: 10px 0; background: var(--nav-bg-solid); }
.nav-inner { width: min(1180px, 92vw); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark { width: 24px; height: 24px; flex: none; display: inline-flex;
  color: var(--heading); }
.brand-mark svg { width: 100%; height: 100%; }
.brand-word { font-family: var(--font-display); font-weight: 800; font-size: 1.02rem; color: var(--heading); white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 24px; font-weight: 500; font-size: .95rem; }
.nav-links > a:not(.btn) { position: relative; color: var(--ink); padding: 4px 0; }
.nav-links > a:not(.btn)::after { content:''; position:absolute; left:0; right:100%; bottom:-2px; height:2px; border-radius:2px; background: var(--accent); transition: right .3s var(--ease); }
.nav-links > a:not(.btn):hover { color: var(--heading); }
.nav-links > a:not(.btn):hover::after { right: 0; }
.nav-controls { display: inline-flex; align-items: center; gap: 12px; }

.lang-switch { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius-pill); overflow: hidden; }
.lang-switch button { appearance: none; background: transparent; border: 0; color: var(--ink-soft); font: inherit; font-weight: 700; font-size: .76rem; letter-spacing: .04em; padding: 6px 11px; cursor: pointer; transition: background .2s, color .2s; }
.lang-switch button.active { background: var(--accent); color: #fff; }
.lang-switch button:not(.active):hover { color: var(--heading); }

.theme-toggle { position: relative; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border); background: transparent; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; transition: border-color .2s, background .2s; }
.theme-toggle:hover { border-color: var(--accent); }
.theme-sun, .theme-moon { position: absolute; width: 18px; height: 18px; transition: opacity .3s var(--ease), transform .3s var(--ease); }
.theme-sun { border-radius: 50%; background: radial-gradient(circle, #f5b301 40%, transparent 42%); box-shadow: 0 -11px 0 -8px var(--accent),0 11px 0 -8px var(--accent),-11px 0 0 -8px var(--accent),11px 0 0 -8px var(--accent),8px 8px 0 -8px var(--accent),-8px -8px 0 -8px var(--accent),8px -8px 0 -8px var(--accent),-8px 8px 0 -8px var(--accent); }
.theme-moon { border-radius: 50%; box-shadow: inset -6px -2px 0 0 var(--ink); transform: rotate(-20deg); }
[data-theme="light"] .theme-sun { opacity: 0; transform: scale(.4) rotate(-40deg); }
[data-theme="light"] .theme-moon { opacity: 1; }
[data-theme="dark"] .theme-sun { opacity: 1; }
[data-theme="dark"] .theme-moon { opacity: 0; transform: scale(.4) rotate(40deg); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: var(--radius-pill); font-family: var(--font-display); font-weight: 700; font-size: .95rem; cursor: pointer; border: 1.5px solid transparent; transition: transform .2s var(--ease), background .2s, border-color .2s, color .2s; }
.btn-primary { background: linear-gradient(135deg, var(--accent), color-mix(in oklab, var(--accent) 55%, var(--accent-2))); color: #fff; box-shadow: 0 12px 30px -12px rgba(79,70,229,.55), 0 0 0 1px color-mix(in oklab, var(--accent) 35%, transparent); }
.btn-primary:hover { transform: translateY(-2px); background: var(--accent-2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--heading); transform: translateY(-2px); }

.mobile-toggle { display: none; background: transparent; border: 0; padding: 8px; cursor: pointer; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: transform .25s var(--ease), opacity .25s var(--ease); }
.mobile-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.mobile-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* sections */
.kicker { text-transform: uppercase; letter-spacing: .18em; font-family: var(--font-display); font-size: .76rem; font-weight: 700; color: var(--accent); margin: 0 0 16px; }
.nav-links > a:not(.btn)::after { box-shadow: 0 0 8px var(--accent); }
.section { position: relative; z-index: 1; padding: 104px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-title { font-size: clamp(1.9rem, 3.8vw, 2.9rem); line-height: 1.12; font-weight: 800; margin: 8px 0 0; }
.section-text { font-size: 1.06rem; color: var(--ink-soft); margin: 0 0 16px; }
.section-text.center { margin: 16px auto 0; max-width: 600px; }

/* hero */
.hero { position: relative; z-index: 1; min-height: 92vh; display: flex; align-items: center; padding: 150px 0 80px; text-align: center; }
.hero-inner { max-width: 880px; }
.kicker { display: inline-block; }
.hero-title { font-size: clamp(2.6rem, 6.5vw, 5rem); line-height: 1.05; font-weight: 800; margin: 8px 0 26px; }
.hero-title .grad { background: linear-gradient(120deg, var(--accent), var(--accent-2) 92%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-copy { max-width: 620px; margin: 0 auto 34px; font-size: clamp(1.05rem, 1.4vw, 1.22rem); color: var(--ink-soft); }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* about */
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: start; }

/* brands */
.brand-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.brand-card { position: relative; display: block; padding: 32px 30px 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; transition: transform .3s var(--ease), box-shadow .3s, border-color .3s; }
.brand-card::before { content: ''; position: absolute; top: 0; left: 0; height: 4px; width: 100%; background: var(--c); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.brand-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--c); }
.brand-card:hover::before { transform: scaleX(1); }
.bc-dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: var(--c); margin-bottom: 16px; box-shadow: 0 0 0 5px color-mix(in srgb, var(--c) 18%, transparent); }
.brand-card h3 { font-size: 1.7rem; margin: 0 0 4px; }
.bc-tag { font-family: var(--font-display); font-weight: 700; font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; color: var(--c); margin: 0 0 14px; }
.bc-copy { margin: 0 0 18px; color: var(--ink-soft); font-size: .98rem; }
.bc-link { font-family: var(--font-display); font-weight: 700; font-size: .92rem; color: var(--c); }

/* capabilities */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cap { padding: 26px 22px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); transition: transform .3s var(--ease), border-color .3s; }
.cap:hover { transform: translateY(-4px); border-color: var(--accent); }
.cap h3 { font-size: 1.12rem; margin: 0 0 8px; }
.cap p { margin: 0; font-size: .94rem; color: var(--ink-soft); }
.principles { list-style: none; margin: 48px 0 0; padding: 0; display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.principles li { font-family: var(--font-display); font-weight: 600; font-size: .9rem; padding: 10px 20px; border-radius: var(--radius-pill); border: 1px solid var(--border); color: var(--ink); }
.principles li::before { content: '◆'; color: var(--accent); margin-right: 8px; font-size: .7em; }

/* contact */
.contact-title { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.9rem, 4.5vw, 3rem); margin: 8px 0 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; max-width: 720px; margin-left: auto; margin-right: auto; }
.contact-card { display: flex; flex-direction: column; gap: 6px; padding: 26px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); transition: transform .25s var(--ease), border-color .25s; }
.contact-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.contact-label { font-family: var(--font-display); font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); font-weight: 700; }
.contact-value { font-weight: 600; color: var(--heading); word-break: break-word; }

/* footer */
.footer { position: relative; z-index: 1; padding: 38px 0; border-top: 1px solid var(--border-soft); background: var(--bg-alt); font-size: .9rem; color: var(--ink-soft); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 11px; }
.footer-brand .brand-mark { width: 30px; height: 30px; }
.footer-brand b { font-family: var(--font-display); font-size: 1.02rem; color: var(--heading); display: block; }
.footer-brand small { color: var(--ink-soft); }

/* reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease) var(--d,0s), transform .7s var(--ease) var(--d,0s); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* responsive */
@media (max-width: 940px) {
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 78px 0; }
}
@media (max-width: 600px) {
  .mobile-toggle { display: block; }
  .nav-links { position: fixed; inset: 60px 0 auto 0; flex-direction: column; background: var(--nav-bg-solid); backdrop-filter: blur(16px); padding: 22px 26px 30px; align-items: stretch; gap: 16px; transform: translateY(-130%); transition: transform .35s var(--ease); border-bottom: 1px solid var(--border-soft); }
  .nav-links.open { transform: translateY(0); }
  .nav-controls { justify-content: space-between; }
  .brand-grid, .cap-grid, .contact-grid { grid-template-columns: 1fr; }
  .brand-word { font-size: .95rem; white-space: normal; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } .reveal { opacity: 1; transform: none; } }

/* ---------- seksi transformasi digital ---------- */
.dx { text-align: center; }
.dx-mark { width: clamp(104px, 16vw, 152px); height: auto; margin: 0 auto 34px; display: block; color: var(--accent); filter: drop-shadow(0 0 26px color-mix(in oklab, var(--accent) 40%, transparent)); }
.dx-copy { max-width: 62ch; margin: 0 auto; color: var(--ink); font-size: 1.06rem; }
.dx-lead { font-size: 1.16rem; color: var(--heading); font-family: var(--font-display); font-weight: 600; margin-bottom: 14px; }
.dx-mark .orb, .dx-mark .core { transform-box: view-box; }
.dx-mark .core { transform-origin: 25.25px 25.25px; }
@keyframes dx-o0{0%{translate:10.431px -13.352px}10%{translate:10.431px -13.352px}24%{translate:7.154px -6.913px}36%{translate:3.022px -2.292px}58%{translate:0.000px 0.000px}100%{translate:0.000px 0.000px}}
.dx-mark.in-view .o0{animation:dx-o0 2.6s cubic-bezier(.22,.9,.24,1) both}
@keyframes dx-o1{0%{translate:13.352px 10.431px}10%{translate:13.352px 10.431px}24%{translate:6.913px 7.154px}36%{translate:2.292px 3.022px}58%{translate:0.000px 0.000px}100%{translate:0.000px 0.000px}}
.dx-mark.in-view .o1{animation:dx-o1 2.6s cubic-bezier(.22,.9,.24,1) both}
@keyframes dx-o2{0%{translate:-10.431px 13.352px}10%{translate:-10.431px 13.352px}24%{translate:-7.154px 6.913px}36%{translate:-3.022px 2.292px}58%{translate:0.000px 0.000px}100%{translate:0.000px 0.000px}}
.dx-mark.in-view .o2{animation:dx-o2 2.6s cubic-bezier(.22,.9,.24,1) both}
@keyframes dx-o3{0%{translate:-13.352px -10.431px}10%{translate:-13.352px -10.431px}24%{translate:-6.913px -7.154px}36%{translate:-2.292px -3.022px}58%{translate:0.000px 0.000px}100%{translate:0.000px 0.000px}}
.dx-mark.in-view .o3{animation:dx-o3 2.6s cubic-bezier(.22,.9,.24,1) both}
@keyframes dx-core{0%,26%{scale:0}62%,100%{scale:1}}
.dx-mark.in-view .core{animation:dx-core 2.6s cubic-bezier(.22,.9,.24,1) both}
.dx-mark:not(.in-view) .core{scale:0}
@media (prefers-reduced-motion: reduce){.dx-mark .orb,.dx-mark .core{animation:none!important;translate:none;scale:1}}

/* ---------- aksesibilitas ---------- */
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--accent); color: #fff; padding: 10px 18px; border-radius: var(--radius-pill); font-weight: 700; font-family: var(--font-display); transition: top .18s var(--ease); }
.skip:focus { top: 12px; }
/* WCAG 2.4.7 minta indikator fokus yang terlihat; sebelumnya situs ini hanya
   mengandalkan default peramban. */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.btn:focus-visible, .brand-card:focus-visible, .cap:focus-visible { outline-offset: 4px; }

/* ---------- halaman legal ---------- */
.legal { padding-top: 132px; }
.legal-inner { max-width: 760px; }
.legal-inner h1 { text-align: left; margin-bottom: 10px; }
.legal-meta { color: var(--ink-soft); font-size: .88rem; margin: 0 0 40px; }
.legal-inner h2 { font-family: var(--font-display); font-size: 1.18rem; font-weight: 800; color: var(--heading); margin: 38px 0 12px; letter-spacing: -.02em; }
.legal-inner p { margin: 0 0 14px; line-height: 1.75; }
.legal-inner a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal-inner code { font-size: .88em; background: var(--bg-alt); padding: 2px 6px; border-radius: 5px; border: 1px solid var(--border-soft); }
.legal-table { width: 100%; border-collapse: collapse; margin: 18px 0 22px; font-size: .9rem; }
.legal-table th { text-align: left; font-family: var(--font-display); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); padding: 0 12px 8px 0; border-bottom: 1px solid var(--border); white-space: nowrap; }
.legal-table td { padding: 12px 12px 12px 0; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
.footer-legal-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-legal-links a { color: var(--ink-soft); font-size: .85rem; }
.footer-legal-links a:hover { color: var(--heading); }
@media (max-width: 600px) { .legal { padding-top: 108px; } .legal-table, .legal-table thead, .legal-table tbody, .legal-table tr, .legal-table th, .legal-table td { display: block; } .legal-table th { display: none; } .legal-table td { padding: 4px 0; border: 0; } .legal-table tr { padding: 12px 0; border-bottom: 1px solid var(--border-soft); } }