/* ===========================================================
   PT AHTA DIGITAL ADVERTISING — Agency Website
   Gaya: korporat-modern, indigo→ungu, premium
   =========================================================== */
:root{
  --bg:#0B0F1A; --bg2:#0F1626; --ink:#0F172A; --muted:#64748B; --muted2:#94A3B8;
  --light:#F8FAFC; --line:#E2E8F0; --card:#fff;
  --indigo:#6366F1; --indigo-d:#4F46E5; --purple:#8B5CF6; --wa:#25D366; --wa-d:#1EB855;
  --grad:linear-gradient(120deg,#6366F1,#8B5CF6);
  --radius:18px; --maxw:1160px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden;}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.6;overflow-x:hidden;}
h1,h2,h3,.dsp{font-family:'Sora','Plus Jakarta Sans',sans-serif;letter-spacing:-.02em;line-height:1.12;}
img{max-width:100%;display:block;} a{text-decoration:none;color:inherit;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px;}
.section{padding:88px 0;}
.eyebrow{display:inline-block;font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--indigo);background:#EEF2FF;padding:6px 14px;border-radius:999px;margin-bottom:16px;}
.sec-head{max-width:660px;margin:0 auto 50px;text-align:center;}
.sec-head h2{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:700;}
.sec-head p{color:var(--muted);margin-top:14px;font-size:1.08rem;}

.btn{display:inline-flex;align-items:center;gap:9px;justify-content:center;font-weight:700;font-size:.96rem;
  padding:14px 26px;border-radius:12px;border:0;cursor:pointer;transition:.18s;}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(99,102,241,.4);}
.btn-grad:hover{transform:translateY(-2px);}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 12px 28px rgba(37,211,102,.35);}
.btn-wa:hover{background:var(--wa-d);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.25);}
.btn-ghost:hover{background:rgba(255,255,255,.08);}
.btn-dark{background:var(--ink);color:#fff;} .btn-dark:hover{transform:translateY(-2px);}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(11,15,26,.72);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.07);}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;}
.brand .logo{width:42px;height:42px;border-radius:11px;background:var(--grad);display:grid;place-items:center;font-family:'Sora';font-weight:800;font-size:1.3rem;color:#fff;}
.brand b{font-family:'Sora';font-weight:700;font-size:1.02rem;line-height:1.1;}
.brand small{display:block;font-size:.64rem;letter-spacing:.12em;color:var(--muted2);text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{color:#CBD5E1;font-weight:600;font-size:.95rem;transition:.15s;}
.nav-links a:hover{color:#fff;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.burger span{display:block;width:24px;height:2.5px;background:#fff;border-radius:2px;margin:5px 0;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--bg);color:#fff;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(700px 400px at 80% -5%,rgba(139,92,246,.35),transparent 60%),
             radial-gradient(600px 400px at 5% 105%,rgba(99,102,241,.3),transparent 55%);}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;padding:80px 0 90px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  padding:7px 15px;border-radius:999px;font-size:.84rem;font-weight:600;margin-bottom:22px;}
.hero h1{font-size:clamp(2.3rem,5vw,3.7rem);font-weight:800;}
.hero h1 .gr{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.hero p.lead{color:#CBD5E1;font-size:1.16rem;margin:22px 0 30px;max-width:520px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:34px;margin-top:42px;}
.hero-stats b{font-family:'Sora';font-size:1.8rem;font-weight:700;display:block;}
.hero-stats span{color:var(--muted2);font-size:.86rem;font-weight:600;}
.hero-visual{position:relative;}
.hero-visual .stack{position:relative;height:440px;}
.hero-visual img{position:absolute;border-radius:16px;box-shadow:0 24px 60px rgba(0,0,0,.5);width:62%;border:1px solid rgba(255,255,255,.1);}
.hero-visual .i1{top:0;left:0;transform:rotate(-5deg);z-index:2;}
.hero-visual .i2{top:40px;right:0;transform:rotate(5deg);z-index:1;width:58%;}
.hero-visual .i3{bottom:0;left:18%;transform:rotate(2deg);z-index:3;width:60%;}

/* ---------- Logos / trust ---------- */
.trust{background:var(--bg2);color:var(--muted2);padding:26px 0;border-top:1px solid rgba(255,255,255,.06);}
.trust .wrap{display:flex;flex-wrap:wrap;gap:18px 40px;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;}
.trust .wrap span{opacity:.85;}

/* ---------- Services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.svc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.2s;}
.svc:hover{transform:translateY(-6px);box-shadow:0 22px 50px rgba(15,23,42,.1);border-color:#C7D2FE;}
.svc .ico{width:56px;height:56px;border-radius:14px;background:#EEF2FF;display:grid;place-items:center;font-size:1.7rem;margin-bottom:18px;}
.svc h3{font-size:1.25rem;font-weight:700;margin-bottom:9px;}
.svc p{color:var(--muted);font-size:.95rem;}
.svc ul{list-style:none;margin-top:14px;}
.svc li{font-size:.88rem;color:var(--muted);padding-left:22px;position:relative;margin:6px 0;}
.svc li::before{content:"✓";position:absolute;left:0;color:var(--indigo);font-weight:800;}

/* ---------- Portfolio ---------- */
.portfolio{background:var(--bg);color:#fff;}
.portfolio .eyebrow{background:rgba(99,102,241,.18);}
.case{background:var(--bg2);border:1px solid rgba(255,255,255,.08);border-radius:24px;overflow:hidden;
  display:grid;grid-template-columns:1.05fr .95fr;gap:0;align-items:center;}
.case-body{padding:44px;}
.case-body .tag{display:inline-block;background:rgba(139,92,246,.2);color:#C4B5FD;font-weight:700;font-size:.78rem;
  padding:5px 13px;border-radius:999px;margin-bottom:16px;}
.case-body h3{font-size:1.9rem;font-weight:700;}
.case-body p{color:#CBD5E1;margin:14px 0 22px;}
.case-metrics{display:flex;gap:26px;margin:22px 0;}
.case-metrics b{font-family:'Sora';font-size:1.5rem;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.case-metrics span{color:var(--muted2);font-size:.8rem;}
.case-shots{position:relative;height:100%;min-height:380px;background:linear-gradient(135deg,#1E1B4B,#0F1626);display:flex;align-items:center;justify-content:center;padding:30px;}
.case-shots img{position:absolute;width:34%;border-radius:12px;box-shadow:0 18px 44px rgba(0,0,0,.5);}
.case-shots .s1{transform:rotate(-7deg) translateX(-40%);z-index:1;}
.case-shots .s2{transform:rotate(4deg);z-index:3;width:38%;}
.case-shots .s3{transform:rotate(8deg) translateX(60%);z-index:2;}

/* ---------- Process ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s;}
.step{text-align:center;position:relative;}
.step .n{counter-increment:s;width:54px;height:54px;margin:0 auto 14px;border-radius:14px;background:var(--grad);color:#fff;
  font-family:'Sora';font-weight:700;font-size:1.3rem;display:grid;place-items:center;box-shadow:0 10px 24px rgba(99,102,241,.35);}
.step .n::before{content:counter(s);}
.step h3{font-size:1.02rem;font-weight:700;margin-bottom:5px;}
.step p{color:var(--muted);font-size:.85rem;}
.process-note{margin-top:40px;background:#EEF2FF;border:1px solid #C7D2FE;border-radius:16px;padding:22px 26px;text-align:center;}
.process-note b{color:var(--indigo-d);}

/* ---------- Why ---------- */
.why{background:var(--light);}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.why-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;}
.why-card .ico{font-size:1.9rem;margin-bottom:12px;}
.why-card h3{font-size:1.1rem;font-weight:700;margin-bottom:7px;}
.why-card p{color:var(--muted);font-size:.9rem;}

/* ---------- Pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.price{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;display:flex;flex-direction:column;}
.price.feat{border:2px solid var(--indigo);box-shadow:0 22px 50px rgba(99,102,241,.18);position:relative;}
.price.feat::after{content:"POPULER";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;
  font-size:.7rem;font-weight:800;letter-spacing:.08em;padding:5px 14px;border-radius:999px;}
.price h3{font-size:1.15rem;font-weight:700;}
.price .amt{font-family:'Sora';font-size:1.7rem;font-weight:700;margin:12px 0;}
.price .amt small{font-size:.8rem;color:var(--muted);font-weight:500;}
.price ul{list-style:none;margin:8px 0 20px;flex:1;}
.price li{font-size:.88rem;color:var(--muted);padding:6px 0 6px 22px;position:relative;border-bottom:1px solid var(--line);}
.price li::before{content:"✓";position:absolute;left:0;color:var(--indigo);font-weight:800;}

/* ---------- CTA ---------- */
.cta{background:var(--grad);color:#fff;border-radius:28px;padding:60px 40px;text-align:center;}
.cta h2{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;}
.cta p{font-size:1.1rem;opacity:.95;margin:14px auto 28px;max-width:560px;}
.cta .btn-wa{background:#fff;color:var(--wa-d);}

/* ---------- Footer ---------- */
.footer{background:var(--bg);color:var(--muted2);padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;margin-bottom:36px;}
.footer .brand{margin-bottom:14px;}
.footer p{font-size:.92rem;max-width:320px;}
.footer h4{color:#fff;font-family:'Sora';font-size:1rem;margin-bottom:14px;}
.footer a{display:block;color:var(--muted2);margin-bottom:9px;font-size:.92rem;}
.footer a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;text-align:center;font-size:.85rem;}

.wa-fab{position:fixed;bottom:22px;right:22px;z-index:60;width:60px;height:60px;border-radius:50%;background:var(--wa);
  color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(37,211,102,.45);transition:.2s;}
.wa-fab:hover{transform:scale(1.08);}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:36px;} .hero-visual{max-width:440px;margin:0 auto;}
  .svc-grid,.why-grid,.price-grid{grid-template-columns:1fr 1fr;}
  .case{grid-template-columns:1fr;} .case-shots{min-height:320px;}
  .steps{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:680px){
  .nav-links{position:fixed;inset:74px 0 auto 0;background:var(--bg2);flex-direction:column;align-items:stretch;
    gap:0;padding:10px 22px 20px;transform:translateY(-130%);transition:.3s;border-bottom:1px solid rgba(255,255,255,.1);}
  .nav-links.open{transform:translateY(0);}
  .nav-links a{padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.08);}
  .burger{display:block;} .nav-cta .btn-ghost{display:none;}
  .section{padding:60px 0;}
  .svc-grid,.why-grid,.price-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;} .hero-stats{gap:22px;}
  .case-body{padding:30px;}
}