/* ==========================================================================
   Nathan Pool — stylesheet utama
   Satu file untuk seluruh halaman. Urutan: token → dasar → komponen → seksi.
   ========================================================================== */

:root{
  --abyss:#04243F; --deep:#073763; --ocean:#0B5A96; --surf:#1594D6;
  --glow:#7FD8F7; --foam:#E7F3FA; --paper:#FAFCFD;
  --ink:#0A1F33; --muted:#54697D; --line:#D8E6F0;
  --wa:#25D366;
  --display:'Archivo',system-ui,-apple-system,sans-serif;
  --body:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;
  --wrap:1140px; --r:14px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{font-family:var(--body);color:var(--ink);background:var(--paper);
  line-height:1.65;font-size:17px;overflow-x:hidden;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:var(--ocean);text-decoration:none}
:focus-visible{outline:3px solid var(--surf);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;background:var(--deep);color:#fff;
  padding:12px 20px;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}

h1,h2,h3,h4{font-family:var(--display);line-height:1.1;letter-spacing:-.02em;font-weight:700}
h2{font-size:clamp(1.85rem,4.2vw,2.9rem);margin-bottom:14px}
h3{font-size:1.06rem;letter-spacing:-.01em;margin-bottom:7px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.sec-sm{padding:60px 0}
.sec-tint{background:var(--foam)}
.sec-dark{background:linear-gradient(165deg,var(--deep),var(--abyss));color:#fff}
.sec-head{max-width:60ch;margin-bottom:44px}
.center{text-align:center;margin-left:auto;margin-right:auto}
.center .eyebrow{justify-content:center}

.eyebrow{font-family:var(--display);font-size:.72rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ocean);display:flex;align-items:center;gap:10px;
  margin-bottom:16px}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--surf)}
.sec-dark .eyebrow,.on-dark .eyebrow{color:var(--glow)}
.sec-dark .eyebrow::before,.on-dark .eyebrow::before{background:var(--glow)}

.lede{font-size:1.06rem;color:var(--muted);max-width:58ch}
.sec-dark .lede,.on-dark .lede{color:#A9C6DC}
.prose p{margin-bottom:18px;max-width:68ch}
.prose h2{margin-top:44px}
.prose h3{margin-top:30px;font-size:1.18rem}
.prose ul,.prose ol{margin:0 0 20px 22px;max-width:66ch}
.prose li{margin-bottom:9px}

/* --- tombol --- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:15px 28px;border-radius:999px;
  font-weight:700;font-size:1rem;transition:transform .18s,box-shadow .18s}
.btn:hover{transform:translateY(-2px)}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 8px 26px rgba(37,211,102,.32)}
.btn-solid{background:var(--ocean);color:#fff}
.btn-ghost{border:1.5px solid rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-line{border:1.5px solid var(--line);color:var(--ocean);background:#fff}

/* --- pita mozaik garis air (elemen khas brand) --- */
.waterline{height:16px;width:100%;
  background:repeating-linear-gradient(90deg,var(--surf) 0 16px,var(--ocean) 16px 18px,
    var(--glow) 18px 34px,var(--ocean) 34px 36px);opacity:.85}

/* --- header --- */
.site-head{position:sticky;top:0;z-index:60;background:rgba(250,252,253,.92);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.head-in{max-width:var(--wrap);margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:26px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-name{font-family:var(--display);font-weight:800;font-size:1.16rem;
  letter-spacing:.22em;color:var(--deep);display:block}
.brand-sub{display:block;font-size:.46rem;letter-spacing:.11em;color:var(--muted);font-weight:600;white-space:nowrap}
.brand img{height:44px;width:44px;object-fit:contain;flex-shrink:0}
@media(max-width:400px){.brand img{height:36px;width:36px}}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{font-size:.92rem;font-weight:500;color:var(--ink)}
.nav a:hover{color:var(--surf)}
.nav a[aria-current="page"]{color:var(--ocean);font-weight:700}
.head-cta{background:var(--wa);color:#fff;padding:10px 20px;border-radius:999px;
  font-weight:700;font-size:.9rem;white-space:nowrap}

.nav-toggle{display:none;background:none;border:1.5px solid var(--line);border-radius:9px;
  width:44px;height:44px;cursor:pointer;color:var(--deep);align-items:center;justify-content:center;margin-left:auto}
.nav-toggle span{display:block;width:20px;height:2px;background:currentColor;position:relative;
  transition:background .2s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;
  height:2px;background:currentColor;transition:transform .22s}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

@media(max-width:960px){
  .nav-toggle{display:flex}
  .head-in{gap:10px}
  .head-cta{margin-left:auto;padding:9px 15px;font-size:.84rem}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;margin-left:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    box-shadow:0 14px 34px rgba(4,36,63,.13);
    max-height:0;overflow:hidden;visibility:hidden;
    transition:max-height .28s ease,visibility .28s}
  .nav[data-open="true"]{max-height:420px;visibility:visible}
  .nav a{padding:15px 24px;border-bottom:1px solid var(--line);font-size:1rem;font-weight:600}
  .nav a:last-child{border-bottom:none}
}
@media(max-width:400px){
  .brand-name{font-size:.98rem}
  .head-cta{padding:9px 12px;font-size:.78rem}
}

/* --- lapisan foto + scrim --- */
.media{position:absolute;inset:0;overflow:hidden}
.media img{width:100%;height:100%;object-fit:cover;object-position:center 70%}
.scrim{position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(4,36,63,.10) 0%,rgba(4,36,63,.5) 42%,rgba(4,36,63,.1) 78%),
  linear-gradient(to top,rgba(4,36,63,.10),transparent 30%)}
@media(max-width:760px){
  .media img{object-position:center 75%}
  .hero{min-height:520px}
  .scrim{background:linear-gradient(to bottom,rgba(4,36,63,.35),rgba(4,36,63,.45))}
}

/* --- hero --- */
.hero{position:relative;background:linear-gradient(168deg,var(--deep),var(--abyss));
  color:#fff;overflow:hidden;padding:96px 0 88px}
.hero-sm{padding:66px 0 58px}
.hero-glow{position:absolute;width:70vw;height:70vw;right:-22vw;top:-26vw;border-radius:50%;
  background:radial-gradient(circle,rgba(21,148,214,.5),transparent 62%);pointer-events:none}
.caustics{position:absolute;inset:-10%;opacity:.32;pointer-events:none}
.hero-in{position:relative;z-index:3;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.hero h1{font-size:clamp(2.2rem,5.8vw,4rem);max-width:16ch;margin-bottom:20px}
.hero-sm h1{font-size:clamp(2rem,4.6vw,3.1rem);max-width:20ch}
.hero h1 em{font-style:normal;color:var(--glow);display:block}
.hero .lede{font-size:1.1rem;color:#BDD8EA;max-width:48ch;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:50px}
.hero-sm .hero-actions{margin-bottom:0}

.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  border-top:1px solid rgba(255,255,255,.16);padding-top:28px}
.pillar b{display:block;font-family:var(--display);font-size:1.45rem;color:var(--glow);
  letter-spacing:-.01em}
.pillar span{font-size:.86rem;color:#A9C6DC}
@media(max-width:700px){.pillars{grid-template-columns:repeat(2,1fr);gap:22px}}

/* --- breadcrumb --- */
.crumb{font-size:.85rem;color:#A9C6DC;margin-bottom:16px}
.crumb a{color:var(--glow)}
.crumb span{opacity:.6;margin:0 7px}

/* --- kartu layanan --- */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;
  display:flex;gap:18px;transition:border-color .2s,box-shadow .2s}
.svc:hover{border-color:var(--surf);box-shadow:0 10px 32px rgba(11,90,150,.1)}
.svc-ico{flex-shrink:0;width:46px;height:46px;border-radius:11px;background:var(--foam);
  display:grid;place-items:center;color:var(--ocean)}
.svc p{font-size:.95rem;color:var(--muted)}
@media(max-width:760px){.svc-grid{grid-template-columns:1fr}}

/* --- proyek --- */
.proj-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.proj-grid-2{grid-template-columns:repeat(3,1fr)}
.proj{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/5;
  background:linear-gradient(160deg,var(--surf),var(--deep) 70%);display:flex;align-items:flex-end}
.proj::after{content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(4,36,63,.9) 8%,transparent 58%)}
.proj img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.proj figcaption{position:relative;z-index:2;padding:20px;color:#fff}
.proj b{font-family:var(--display);font-size:1.02rem;display:block}
.proj span{font-size:.83rem;color:#B9D5E8}
@media(max-width:880px){.proj-grid,.proj-grid-2{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.proj-grid,.proj-grid-2{grid-template-columns:1fr}}

/* --- proses (urutan nyata, jadi penomoran bermakna) --- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.step{padding:26px 20px 0;border-top:2px solid rgba(255,255,255,.2);position:relative}
.step::before{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;
  border-radius:50%;background:var(--glow)}
.step b{font-family:var(--display);font-size:.72rem;letter-spacing:.16em;color:var(--glow);
  display:block;margin-bottom:8px}
.step h3{color:#fff;margin-bottom:6px}
.step p{font-size:.88rem;color:#A9C6DC}
@media(max-width:880px){.steps{grid-template-columns:1fr;gap:4px}.step{padding:22px 0 0}}

/* --- harga --- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px}
.price.feature{border:2px solid var(--surf);box-shadow:0 14px 40px rgba(11,90,150,.13)}
.price .amt{font-family:var(--display);font-size:1.7rem;color:var(--deep);
  margin:12px 0 4px;letter-spacing:-.02em}
.price .unit{font-size:.83rem;color:var(--muted);display:block;margin-bottom:18px}
.price ul{list-style:none;font-size:.92rem;color:var(--muted)}
.price li{padding:7px 0 7px 24px;position:relative}
.price li::before{content:"";position:absolute;left:0;top:15px;width:11px;height:6px;
  border-left:2px solid var(--surf);border-bottom:2px solid var(--surf);transform:rotate(-45deg)}
.tag{font-family:var(--display);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  background:var(--surf);color:#fff;padding:4px 10px;border-radius:999px;display:inline-block}
.tag-soft{background:var(--foam);color:var(--ocean)}
@media(max-width:880px){.price-grid{grid-template-columns:1fr}}

/* --- tabel --- */
.tbl{width:100%;border-collapse:collapse;font-size:.94rem;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.tbl th,.tbl td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{background:var(--foam);font-family:var(--display);font-size:.78rem;
  letter-spacing:.09em;text-transform:uppercase;color:var(--deep)}
.tbl tr:last-child td{border-bottom:none}
.tbl-scroll{overflow-x:auto}

/* --- tips di atas foto --- */
.sec-photo{position:relative;overflow:hidden;padding:96px 0;color:#fff}
.sec-photo .wrap{position:relative;z-index:2}
.tips-card{background:rgba(255,255,255,.97);color:var(--ink);border-radius:18px;
  padding:36px;max-width:560px;box-shadow:0 26px 60px rgba(4,36,63,.34)}
.tips-card h2{color:var(--ink);font-size:clamp(1.65rem,3.4vw,2.3rem);margin-bottom:22px}
.tip{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.tip:last-child{border-bottom:none;padding-bottom:0}
.tip-ico{flex-shrink:0;width:34px;height:34px;border-radius:9px;background:var(--foam);
  display:grid;place-items:center;color:var(--ocean);font-size:.85rem;font-weight:700;
  font-family:var(--display)}
.tip h3{font-size:.98rem;margin-bottom:3px}
.tip p{font-size:.89rem;color:var(--muted);line-height:1.5}
.hashtag{margin-top:26px;font-family:var(--display);font-weight:600;letter-spacing:.03em;
  color:#fff;text-shadow:0 2px 12px rgba(4,36,63,.6)}
@media(max-width:760px){.sec-photo{padding:64px 0}.tips-card{padding:26px}}

/* --- testimoni --- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}
.stars{color:#F5A623;letter-spacing:2px;margin-bottom:12px;font-size:.95rem}
.quote blockquote{font-size:.98rem;margin-bottom:18px}
.quote cite{font-style:normal;font-weight:700;font-size:.93rem;display:block}
.quote small{color:var(--muted);font-size:.83rem}
@media(max-width:880px){.quotes{grid-template-columns:1fr}}

/* --- klien --- */
.clients{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.client{font-family:var(--display);font-weight:600;font-size:.94rem;color:var(--deep);
  background:#fff;border:1px solid var(--line);padding:13px 26px;border-radius:8px}

/* --- FAQ --- */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:11px;margin-bottom:10px}
.faq summary{padding:19px 22px;font-weight:600;cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--display);font-size:1.5rem;color:var(--surf);
  line-height:1;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 22px 20px;color:var(--muted);font-size:.96rem}
.faq .ans p{margin-bottom:12px}
.faq .ans p:last-child{margin-bottom:0}

/* --- CTA --- */
.cta{background:linear-gradient(160deg,var(--ocean),var(--abyss));color:#fff;
  padding:82px 0;text-align:center;position:relative;overflow:hidden}
.cta h2{max-width:19ch;margin:0 auto 16px}
.cta .lede{margin:0 auto 30px;color:#BDD8EA}
.cta-list{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:28px;
  font-size:.92rem;color:#A9C6DC}

/* --- grid dua kolom --- */
.two{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start}
@media(max-width:900px){.two{grid-template-columns:1fr;gap:34px}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}

/* --- footer --- */
.foot{background:var(--abyss);color:#8FB2CA;padding:56px 0 26px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:34px}
.foot h2{color:#fff;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;
  margin-bottom:16px;font-weight:700}
.foot a{color:#8FB2CA;display:block;padding:4px 0}
.foot a:hover{color:var(--glow)}
.foot a.inline{display:inline}
.foot-base{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:.84rem}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr;gap:28px}}

/* --- tombol WA melayang --- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:80;background:var(--wa);color:#fff;
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  box-shadow:0 8px 26px rgba(37,211,102,.44)}

/* --- halaman 404 --- */
.err{min-height:64vh;display:grid;place-items:center;text-align:center;padding:80px 24px}
.err .code{font-family:var(--display);font-size:clamp(4rem,14vw,8rem);color:var(--surf);
  line-height:1;letter-spacing:-.04em}

/* --- masonry gallery --- */
.masonry{
  columns:3;column-gap:14px;
}
.mason{
  break-inside:avoid;margin-bottom:14px;border-radius:var(--r);
  overflow:hidden;cursor:pointer;display:block;position:relative;
  background:var(--foam);
}
.mason img{
  width:100%;height:auto;display:block;
  transition:transform .3s ease,filter .3s ease;
}
.mason:hover img{transform:scale(1.04);filter:brightness(.88)}
.mason::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(4,36,63,.5) 0%,transparent 50%);
  opacity:0;transition:opacity .3s;
}
.mason:hover::after{opacity:1}
@media(max-width:880px){.masonry{columns:2}}
@media(max-width:520px){.masonry{columns:1}}
  
/* --- lightbox --- */
.lb-overlay{position:fixed;inset:0;z-index:200;background:rgba(4,24,40,.96);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;
  padding:20px}
.lb-overlay.aktif{opacity:1;visibility:visible}
.lb-box{position:relative;max-width:1060px;width:100%;
  display:flex;flex-direction:column;align-items:center;gap:16px}
.lb-img{max-height:80vh;max-width:100%;width:auto;border-radius:10px;
  object-fit:contain;box-shadow:0 24px 64px rgba(0,0,0,.6);
  transform:scale(.96);transition:transform .25s}
.lb-overlay.aktif .lb-img{transform:scale(1)}
.lb-caption{color:#fff;text-align:center}
.lb-caption b{font-family:var(--display);font-size:1.1rem;display:block}
.lb-caption span{font-size:.88rem;color:#A9C6DC}
.lb-tutup{position:absolute;top:-14px;right:-14px;width:44px;height:44px;
  border-radius:50%;background:rgba(255,255,255,.12);border:1.5px solid rgba(255,255,255,.25);
  color:#fff;cursor:pointer;display:grid;place-items:center;font-size:1.4rem;line-height:1;
  transition:background .18s}
.lb-tutup:hover{background:rgba(255,255,255,.24)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);
  width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.12);
  border:1.5px solid rgba(255,255,255,.25);color:#fff;cursor:pointer;
  display:grid;place-items:center;font-size:1.5rem;transition:background .18s}
.lb-nav:hover{background:rgba(255,255,255,.24)}
.lb-prev{left:-60px}
.lb-next{right:-60px}
.lb-counter{font-size:.82rem;color:#7FD8F7;font-family:var(--display);
  letter-spacing:.1em;margin-top:4px}
.proj{cursor:pointer}
.proj:hover figcaption b{color:var(--glow)}
@media(max-width:760px){
  .lb-prev{left:-4px}
  .lb-nav{width:38px;height:38px;font-size:1.2rem}
  .lb-next{right:-4px}
  .lb-tutup{top:6px;right:6px}
}  


/* --- tips card override: gradient ocean atas ke navy bawah --- */
.tips-card{background:linear-gradient(135deg,rgba(11,90,150,.88) 0%,rgba(4,36,63,.92) 100%) !important;color:#fff !important}
.tips-card h2{color:#fff !important}
.tips-card .eyebrow{color:var(--glow) !important}
.tips-card .eyebrow::before{background:var(--glow) !important}
.tips-card a{color:var(--glow) !important}
.tip h3{color:#fff !important}
.tip p{color:#BDD8EA !important}
.tip{border-bottom:1px solid rgba(255,255,255,.15) !important}
.tip:last-child{border-bottom:none !important}
.tip-ico{background:rgba(255,255,255,.12) !important;color:var(--glow) !important}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}