/* ============================================================
   Aksara Akademia Indonesia — style.css
   Palet: navy akademik + emas, selaras logo, ground kertas hangat.
   Tipografi: Fraunces (display) + Libre Franklin (teks/UI).
   ============================================================ */

/* ---------- TOKENS: LIGHT (default) ---------- */
:root{
  --bg:#faf6ef;            /* ground kertas hangat */
  --section-alt:#f1e9da;   /* section selang-seling */
  --surface:#ffffff;       /* kartu putih bersih */
  --ink:#1b1418;           /* teks utama (kontras tinggi) */
  --ink-2:#574a4f;         /* teks sekunder (tetap terbaca) */
  --maroon:#0b3d74;
  --maroon-deep:#072a52;
  --brass:#a97c2b;         /* label emas — cukup gelap utk latar terang */
  --brass-bright:#d9b45f;  /* emas terang utk latar gelap */
  --line:rgba(27,20,24,.14);
  --line-strong:rgba(27,20,24,.22);
  --shadow-sm:0 2px 10px -4px rgba(27,20,24,.18);
  --shadow-lg:0 24px 60px -32px rgba(27,20,24,.40);
  --on-dark:#f6ecdd;       /* teks di atas panel maroon/ink */
  --on-dark-2:rgba(246,236,221,.78);
}

/* ---------- TOKENS: DARK ---------- */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#15100f;
    --section-alt:#1d1618;
    --surface:#221a1c;
    --ink:#f4ece2;
    --ink-2:#bcaca4;
    --maroon:#6fa3e0;        /* aksen lebih terang di gelap */
    --maroon-deep:#041c38;
    --brass:#d9b45f;
    --brass-bright:#ecd08c;
    --line:rgba(244,236,226,.16);
    --line-strong:rgba(244,236,226,.26);
    --shadow-sm:0 2px 12px -4px rgba(0,0,0,.6);
    --shadow-lg:0 24px 60px -28px rgba(0,0,0,.75);
    --on-dark:#f6ecdd;
    --on-dark-2:rgba(246,236,221,.80);
  }
}
:root[data-theme="dark"]{
  --bg:#15100f;
  --section-alt:#1d1618;
  --surface:#221a1c;
  --ink:#f4ece2;
  --ink-2:#bcaca4;
  --maroon:#6fa3e0;
  --maroon-deep:#041c38;
  --brass:#d9b45f;
  --brass-bright:#ecd08c;
  --line:rgba(244,236,226,.16);
  --line-strong:rgba(244,236,226,.26);
  --shadow-sm:0 2px 12px -4px rgba(0,0,0,.6);
  --shadow-lg:0 24px 60px -28px rgba(0,0,0,.75);
  --on-dark:#f6ecdd;
  --on-dark-2:rgba(246,236,221,.80);
}

/* ---------- RESET ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Libre Franklin",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{
  font-family:"Fraunces",Georgia,"Times New Roman",serif;
  font-weight:600;line-height:1.1;margin:0;
  text-wrap:balance;color:var(--ink);
  letter-spacing:-.01em;
}
p{margin:0}

/* ---------- LAYOUT HELPERS ---------- */
.wrap{max-width:1140px;margin:0 auto;padding:0 clamp(20px,5vw,52px)}
.eyebrow{
  display:inline-block;font-size:.74rem;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:var(--brass);
}
section{padding:clamp(64px,9vw,116px) 0}
.section-alt{background:var(--section-alt)}
.sec-head{max-width:60ch;margin-bottom:clamp(36px,5vw,60px)}
.sec-head h2{font-size:clamp(2rem,4vw,3.1rem);margin-top:16px}
.sec-head .sub{margin-top:18px;color:var(--ink-2);font-size:1.12rem;max-width:56ch}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-weight:600;font-size:.96rem;text-decoration:none;
  padding:13px 26px;border-radius:10px;border:1.5px solid transparent;
  transition:transform .15s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  cursor:pointer;line-height:1;
}
.btn-primary{background:var(--maroon);color:#fbf3e8;box-shadow:var(--shadow-sm)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px var(--maroon)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--maroon);color:var(--maroon)}
.btn-on-dark{background:var(--brass-bright);color:#041c38}
.btn-on-dark:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(0,0,0,.5)}
.btn-ghost-dark{background:transparent;color:var(--on-dark);border-color:rgba(246,236,221,.35)}
.btn-ghost-dark:hover{border-color:var(--brass-bright);color:var(--brass-bright)}

/* ---------- NAV ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:color-mix(in srgb,var(--bg) 90%,transparent);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none}
.brand img{width:44px;height:44px}
.brand .name{font-family:"Fraunces",serif;font-weight:600;font-size:1.12rem;line-height:1.05;color:var(--ink)}
.brand .name span{
  display:block;font-family:"Libre Franklin",sans-serif;font-size:.66rem;font-weight:700;
  letter-spacing:.24em;text-transform:uppercase;color:var(--ink-2);margin-top:2px;
}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{text-decoration:none;font-size:.95rem;font-weight:600;color:var(--ink-2);transition:color .18s}
.nav-links a:hover{color:var(--maroon)}
.nav-right{display:flex;gap:14px;align-items:center}
.theme-toggle{
  width:42px;height:42px;border-radius:10px;border:1.5px solid var(--line-strong);
  background:transparent;color:var(--ink);cursor:pointer;font-size:1.05rem;
  display:grid;place-items:center;transition:border-color .18s,color .18s;
}
.theme-toggle:hover{border-color:var(--maroon);color:var(--maroon)}
@media(max-width:900px){.nav-links{display:none}}
@media(max-width:560px){.brand .name span{display:none}.nav-cta{display:none}}

/* ---------- HERO ---------- */
.hero{padding:clamp(56px,7vw,96px) 0 clamp(64px,8vw,104px);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(36px,6vw,72px);align-items:center}
.hero h1{font-size:clamp(2.7rem,6.2vw,4.7rem);line-height:1.02}
.hero h1 em{font-style:italic;color:var(--maroon)}
.hero .lead{margin-top:26px;font-size:clamp(1.12rem,1.7vw,1.3rem);color:var(--ink-2);max-width:38ch}
.hero .cta{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{margin-top:48px;display:flex;gap:14px;flex-wrap:wrap}
.hero-stats .stat{
  flex:1;min-width:130px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:18px 20px;box-shadow:var(--shadow-sm);
}
.hero-stats .n{font-family:"Fraunces",serif;font-size:1.6rem;font-weight:600;color:var(--maroon);line-height:1}
.hero-stats .l{font-size:.86rem;color:var(--ink-2);margin-top:8px;line-height:1.35}
.hero-emblem{position:relative}
.hero-emblem img{width:100%;border-radius:24px;box-shadow:var(--shadow-lg)}
@media(max-width:880px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-emblem{max-width:420px;margin:0 auto;order:-1}
}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(32px,5vw,64px);align-items:start}
.about-copy p{color:var(--ink-2);font-size:1.08rem}
.about-copy p + p{margin-top:18px}
.pillars{display:grid;gap:16px;margin-top:4px}
.pillar{
  display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);
  border-left:4px solid var(--maroon);border-radius:12px;padding:22px 24px;box-shadow:var(--shadow-sm);
}
.pillar .k{font-family:"Fraunces",serif;font-size:1.5rem;font-weight:600;color:var(--brass);flex:none;line-height:1.2}
.pillar h3{font-size:1.2rem}
.pillar p{margin-top:6px;color:var(--ink-2);font-size:.98rem}
@media(max-width:840px){.about-grid{grid-template-columns:1fr;gap:32px}}

/* ---------- SERVICES ---------- */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.svc{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:clamp(28px,3.2vw,40px);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
}
.svc .tag{
  align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:#fbf3e8;background:var(--maroon);padding:7px 14px;border-radius:999px;
}
.svc h3{font-size:1.7rem;margin-top:20px}
.svc .svc-desc{margin-top:12px;color:var(--ink-2)}
.svc ul{list-style:none;padding:0;margin:24px 0 0;display:flex;flex-direction:column;gap:13px}
.svc li{display:flex;gap:12px;font-size:1rem;color:var(--ink);align-items:flex-start}
.svc li svg{flex:none;width:20px;height:20px;margin-top:3px;color:var(--maroon)}
@media(max-width:840px){.cards{grid-template-columns:1fr}}

/* ---------- PROCESS ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px 24px;box-shadow:var(--shadow-sm)}
.step .num{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:10px;
  background:var(--maroon-deep);color:var(--brass-bright);
  font-family:"Fraunces",serif;font-size:1.25rem;font-weight:600;
}
.step h3{font-size:1.22rem;margin-top:18px}
.step p{margin-top:9px;font-size:.96rem;color:var(--ink-2)}
@media(max-width:840px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- TRUST / INDEKSASI (panel gelap, single-look) ---------- */
.trust{background:var(--maroon-deep);color:var(--on-dark)}
.trust .eyebrow{color:var(--brass-bright)}
.trust h2{color:#fdf6ec}
.trust .sub{color:var(--on-dark-2)}
.chips{display:flex;flex-wrap:wrap;gap:13px;margin-top:8px}
.chip{
  display:inline-flex;align-items:center;gap:9px;
  border:1px solid rgba(217,180,95,.4);color:var(--on-dark);
  border-radius:999px;padding:11px 20px;font-size:.92rem;font-weight:500;
  background:rgba(217,180,95,.06);
}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brass-bright)}

/* ---------- CTA ---------- */
.cta-band{text-align:center}
.cta-box{
  background:var(--surface);border:1px solid var(--line-strong);border-radius:24px;
  padding:clamp(40px,6vw,72px);box-shadow:var(--shadow-lg);max-width:820px;margin:0 auto;
}
.cta-box h2{font-size:clamp(2.1rem,4.4vw,3.1rem)}
.cta-box p{margin:18px auto 0;max-width:48ch;color:var(--ink-2);font-size:1.1rem}
.cta-box .cta{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- FOOTER ---------- */
.footer{background:#0a1a2e;color:#d3dbe6;padding:clamp(56px,7vw,80px) 0 34px}
:root[data-theme="dark"] .footer{background:#04101c}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .footer{background:#04101c}}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer .brand .name,.footer .brand .name{color:#fdf6ec}
.footer .desc{margin-top:18px;font-size:.96rem;color:#9aa8ba;max-width:38ch}
.footer h4{font-size:.76rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--brass-bright);margin:0 0 18px}
.footer a{color:#b7c3d1;text-decoration:none;display:block;margin-bottom:12px;font-size:.98rem;transition:color .18s}
.footer a:hover{color:#fff}
.foot-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.13);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.86rem;color:#9aa8ba;
}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr;gap:32px}}

/* ============================================================
   ANIMASI & DINAMIKA
   ============================================================ */

/* Nav: bayangan saat digulir */
.nav{transition:box-shadow .3s ease,background .3s ease,border-color .3s ease}
.nav.scrolled{box-shadow:0 10px 30px -18px rgba(27,20,24,.5);border-bottom-color:var(--line-strong)}

/* Scroll-reveal (hanya aktif jika JS hidup: html.js) */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1);will-change:opacity,transform}
.js .reveal.in{opacity:1;transform:none}
/* Varian arah */
.js .reveal.from-left{transform:translateX(-30px)}
.js .reveal.from-right{transform:translateX(30px)}
.js .reveal.from-left.in,.js .reveal.from-right.in{transform:none}
.js .reveal.zoom{transform:scale(.96);opacity:0}
.js .reveal.zoom.in{transform:none;opacity:1}

/* Entrance hero saat load */
@keyframes rise{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
.js .hero-copy > *{opacity:0;animation:rise .9s cubic-bezier(.22,1,.36,1) forwards}
.js .hero-copy > :nth-child(1){animation-delay:.05s}
.js .hero-copy > :nth-child(2){animation-delay:.18s}
.js .hero-copy > :nth-child(3){animation-delay:.31s}
.js .hero-copy > :nth-child(4){animation-delay:.44s}
.js .hero-copy > :nth-child(5){animation-delay:.57s}
@keyframes fadeScale{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}
.js .hero-emblem{opacity:0;animation:fadeScale 1.1s cubic-bezier(.22,1,.36,1) .3s forwards}

/* Emblem melayang lembut */
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.hero-emblem img{animation:float 7s ease-in-out infinite}

/* Garis aksen bergerak di bawah eyebrow section */
.sec-head .eyebrow,.about-grid .eyebrow{position:relative}

/* Kartu: angkat halus saat hover */
.stat,.svc,.step,.pillar{transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s ease,border-color .3s ease}
.stat:hover,.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.pillar:hover{transform:translateX(5px);box-shadow:var(--shadow-lg)}

/* Tombol primer: kilau saat hover */
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.28),transparent);
  transform:skewX(-18deg);transition:left .6s ease}
.btn-primary:hover::after{left:130%}

/* Chip indeksasi: dorong halus */
.chip{transition:transform .25s ease,background .25s ease,border-color .25s ease}
.chip:hover{transform:translateY(-3px);background:rgba(217,180,95,.16);border-color:var(--brass-bright)}

/* Titik chip berdenyut lembut */
@keyframes pulse{0%,100%{opacity:.7}50%{opacity:1;box-shadow:0 0 0 4px rgba(217,180,95,.18)}}
.chip::before{animation:pulse 3.2s ease-in-out infinite}

/* Ikon centang layanan: gambar saat masuk */
@keyframes drawin{from{stroke-dashoffset:26}to{stroke-dashoffset:0}}
.js .svc.in li svg path{stroke-dasharray:26;stroke-dashoffset:26;animation:drawin .5s ease forwards}
.js .svc.in li:nth-child(1) svg path{animation-delay:.15s}
.js .svc.in li:nth-child(2) svg path{animation-delay:.27s}
.js .svc.in li:nth-child(3) svg path{animation-delay:.39s}
.js .svc.in li:nth-child(4) svg path{animation-delay:.51s}
.js .svc.in li:nth-child(5) svg path{animation-delay:.63s}

/* Nomor proses: kilau brass */
.step .num{transition:transform .3s ease,background .3s ease}
.step:hover .num{transform:scale(1.08) rotate(-3deg)}

/* Link nav: garis bawah tumbuh */
.nav-links a{position:relative}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--maroon);transition:width .25s ease}
.nav-links a:hover::after{width:100%}

/* Latar hero: gradien lembut yang bernafas */
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-30%;right:-10%;width:60%;height:120%;
  background:radial-gradient(circle at center,color-mix(in srgb,var(--maroon) 12%,transparent),transparent 62%);
  pointer-events:none;animation:breathe 12s ease-in-out infinite;z-index:0}
@keyframes breathe{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:.9;transform:scale(1.12)}}
.hero .wrap,.hero-grid{position:relative;z-index:1}

/* ---------- MOTION PREFERENCE ---------- */
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
  .js .reveal{opacity:1!important;transform:none!important}
  .js .hero-copy > *,.js .hero-emblem{opacity:1!important;animation:none!important}
  .js .svc.in li svg path{stroke-dashoffset:0!important}
}
:focus-visible{outline:2.5px solid var(--maroon);outline-offset:3px;border-radius:4px}