/* ==========================================================================
   PT. COKAP BAHASA — Design Tokens
   Display: Fraunces (editorial serif, used sparingly)
   Body:    Manrope (clean, legible, multilingual-friendly)
   ========================================================================== */

:root{
  --navy-deep:   #0D1730;
  --navy:        #14213D;
  --navy-soft:   #24345A;
  --cream:       #FAF7F1;
  --cream-dim:   #F1ECE1;
  --ink:         #1B1F2A;
  --ink-soft:    #55596B;
  --gold:        #E8A33D;
  --gold-deep:   #C9832A;
  --line:        rgba(20,33,61,0.12);
  --line-invert: rgba(250,247,241,0.16);
  --white:       #FFFFFF;

  /* language accent chips — echo the four language tracks */
  --lang-en: #4A7FE8;
  --lang-cn: #D64550;
  --lang-jp: #E0819E;
  --lang-kr: #6C63FF;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --shadow-card: 0 12px 32px -16px rgba(13,23,48,0.28);
  --shadow-lift: 0 24px 60px -24px rgba(13,23,48,0.38);

  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:'Manrope', system-ui, -apple-system, sans-serif;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
input,select,textarea{ font-family:inherit; font-size:1rem; }

h1,h2,h3,h4{
  font-family:'Fraunces', Georgia, serif;
  font-weight:500;
  line-height:1.12;
  margin:0;
  color:var(--navy-deep);
  letter-spacing:-0.01em;
}
.container{ max-width:var(--container); margin:0 auto; padding:0 28px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:0.78rem; font-weight:700; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--gold-deep);
}
.eyebrow::before{ content:""; width:22px; height:2px; background:var(--gold); display:inline-block; }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--gold-deep); outline-offset:3px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------------- Header ---------------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(250,247,241,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-bar{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px; max-width:var(--container); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{
  width:38px; height:38px; border-radius:10px;
  background:linear-gradient(145deg,var(--navy),var(--navy-deep));
  display:flex; align-items:center; justify-content:center;
  color:var(--gold); font-family:'Fraunces',serif; font-weight:600; font-size:1.15rem;
}
.brand-name{ font-family:'Fraunces',serif; font-size:1.15rem; color:var(--navy-deep); font-weight:600; }
.brand-name small{ display:block; font-family:'Manrope',sans-serif; font-size:0.62rem; font-weight:700; letter-spacing:0.12em; color:var(--ink-soft); text-transform:uppercase; }

.main-nav{ display:flex; align-items:center; gap:30px; }
.main-nav a{
  font-size:0.92rem; font-weight:600; color:var(--navy);
  position:relative; padding:6px 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--gold-deep); transition:width .25s ease;
}
.main-nav a:hover::after, .main-nav a.active::after{ width:100%; }
.main-nav a.active{ color:var(--gold-deep); }

.header-actions{ display:flex; align-items:center; gap:12px; }
.lang-toggle{
  display:flex; border:1px solid var(--line); border-radius:999px; padding:3px; gap:2px;
  background:var(--white);
}
.lang-toggle button{
  border:none; background:transparent; padding:5px 12px; border-radius:999px;
  font-size:0.76rem; font-weight:700; letter-spacing:0.04em; color:var(--ink-soft);
}
.lang-toggle button.active{ background:var(--navy); color:var(--cream); }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 24px; border-radius:999px; font-weight:700; font-size:0.9rem;
  border:1px solid transparent; transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--gold); color:var(--navy-deep); box-shadow:0 10px 24px -10px rgba(232,163,61,0.7); }
.btn-primary:hover{ background:var(--gold-deep); transform:translateY(-1px); }
.btn-ghost{ border-color:var(--line); color:var(--navy); background:transparent; }
.btn-ghost:hover{ border-color:var(--navy); }
.btn-invert{ background:var(--cream); color:var(--navy-deep); }
.btn-invert:hover{ background:var(--white); transform:translateY(-1px); }
.btn-outline-invert{ border-color:var(--line-invert); color:var(--cream); }
.btn-outline-invert:hover{ border-color:var(--cream); }
.btn-block{ width:100%; }
.btn-sm{ padding:9px 16px; font-size:0.8rem; }

.nav-toggle{ display:none; background:none; border:none; padding:8px; }
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--navy); margin:5px 0; }

/* ---------------- Hero ---------------- */
.hero{
  position:relative; overflow:hidden;
  background:radial-gradient(120% 100% at 100% 0%, #1B2C52 0%, var(--navy) 42%, var(--navy-deep) 100%);
  color:var(--cream);
}
.hero-grid{
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;
  padding:76px 28px 64px; max-width:var(--container); margin:0 auto;
}
.hero-eyebrow{ color:var(--gold); }
.hero-eyebrow::before{ background:var(--gold); }
.hero h1{ color:var(--cream); font-size:clamp(2.1rem,3.6vw,3.35rem); margin-top:18px; }
.hero-ticker-wrap{
  display:inline-flex; align-items:baseline; gap:10px; margin-top:2px;
}
.hero-ticker{
  position:relative; display:inline-block; height:1.18em; overflow:hidden; vertical-align:bottom;
  min-width:200px;
}
.hero-ticker-item{
  position:absolute; top:0; left:0; font-style:italic; font-weight:500;
  opacity:0; transform:translateY(14px);
  transition:opacity .5s ease, transform .5s ease;
  border-bottom:3px solid var(--gold);
  white-space:nowrap;
}
.hero-ticker-item.is-active{ opacity:1; transform:translateY(0); }
.hero-sub{ margin-top:22px; font-size:1.05rem; color:rgba(250,247,241,0.82); max-width:46ch; }
.hero-cta-row{ display:flex; gap:14px; margin-top:32px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:34px; margin-top:52px; flex-wrap:wrap; }
.hero-stat b{ display:block; font-family:'Fraunces',serif; font-size:1.7rem; color:var(--gold); font-weight:600; }
.hero-stat span{ font-size:0.78rem; color:rgba(250,247,241,0.72); }

.hero-photo{
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  aspect-ratio:4/5; box-shadow:var(--shadow-lift);
  border:1px solid var(--line-invert);
}
.hero-photo img{ width:100%; height:100%; object-fit:cover; }
.hero-photo-badge{
  position:absolute; left:18px; bottom:18px; right:18px;
  background:rgba(13,23,48,0.72); backdrop-filter:blur(6px);
  border-radius:var(--radius-md); padding:14px 16px;
  display:flex; align-items:center; gap:12px; color:var(--cream);
  border:1px solid var(--line-invert);
}
.hero-photo-badge .dot{ width:10px; height:10px; border-radius:50%; background:#4ADE80; box-shadow:0 0 0 4px rgba(74,222,128,0.22); }
.hero-photo-badge span{ font-size:0.82rem; }

/* ---------------- Sections ---------------- */
section{ padding:88px 0; }
.section-tight{ padding:64px 0; }
.section-head{ max-width:640px; margin-bottom:48px; }
.section-head h2{ font-size:clamp(1.6rem,2.6vw,2.35rem); margin-top:16px; }
.section-head p{ margin-top:14px; color:var(--ink-soft); font-size:1.02rem; }
.section-alt{ background:var(--cream-dim); }
.section-dark{ background:var(--navy-deep); color:var(--cream); }
.section-dark h2, .section-dark h3, .section-dark h4{ color:var(--cream); }
.section-dark .section-head p{ color:rgba(250,247,241,0.72); }

/* language program cards */
.lang-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.lang-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:28px 24px; box-shadow:var(--shadow-card); transition:transform .25s ease, box-shadow .25s ease;
}
.lang-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lift); }
.lang-chip{
  width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  font-family:'Fraunces',serif; font-weight:600; color:var(--white); font-size:1.1rem; margin-bottom:18px;
}
.lang-card h3{ font-size:1.2rem; }
.lang-card ul{ margin-top:16px; display:flex; flex-direction:column; gap:9px; }
.lang-card li{ font-size:0.9rem; color:var(--ink-soft); padding-left:18px; position:relative; }
.lang-card li::before{ content:"—"; position:absolute; left:0; color:var(--gold-deep); }
.lang-card.en .lang-chip{ background:var(--lang-en); } .lang-card.en{ border-top:3px solid var(--lang-en); }
.lang-card.cn .lang-chip{ background:var(--lang-cn); } .lang-card.cn{ border-top:3px solid var(--lang-cn); }
.lang-card.jp .lang-chip{ background:var(--lang-jp); } .lang-card.jp{ border-top:3px solid var(--lang-jp); }
.lang-card.kr .lang-chip{ background:var(--lang-kr); } .lang-card.kr{ border-top:3px solid var(--lang-kr); }

/* professional dev grid */
.pro-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:14px; }
.pro-pill{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-md);
  padding:18px 16px; font-size:0.86rem; font-weight:700; color:var(--navy);
  display:flex; align-items:center; gap:10px;
}
.pro-pill::before{ content:""; width:8px; height:8px; border-radius:50%; background:var(--gold); flex:none; }

/* why-us / feature grid */
.feature-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.feature-card{ padding:8px 4px; }
.feature-num{ font-family:'Fraunces',serif; font-size:0.95rem; color:var(--gold-deep); font-weight:600; }
.feature-card h3{ font-size:1.14rem; margin-top:12px; }
.feature-card p{ margin-top:10px; color:var(--ink-soft); font-size:0.94rem; }

/* method grid */
.method-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.method-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:26px; display:flex; gap:18px; align-items:flex-start;
}
.method-icon{
  width:48px; height:48px; border-radius:12px; background:var(--cream-dim);
  display:flex; align-items:center; justify-content:center; flex:none;
  font-family:'Fraunces',serif; font-weight:600; color:var(--navy);
}
.method-card h3{ font-size:1.06rem; }
.method-card p{ margin-top:8px; font-size:0.9rem; color:var(--ink-soft); }

/* timeline (achievements — genuine chronology) */
.timeline{ position:relative; margin-top:12px; padding-left:2px; }
.timeline::before{ content:""; position:absolute; left:64px; top:8px; bottom:8px; width:1px; background:var(--line-invert); }
.timeline-row{ display:grid; grid-template-columns:64px 1fr; gap:26px; padding:26px 0; position:relative; }
.timeline-row + .timeline-row{ border-top:1px solid rgba(250,247,241,0.08); }
.timeline-year{ font-family:'Fraunces',serif; font-weight:600; color:var(--gold); font-size:1.05rem; position:relative; }
.timeline-year::after{
  content:""; position:absolute; left:60px; top:6px; width:9px; height:9px; border-radius:50%;
  background:var(--gold); box-shadow:0 0 0 4px rgba(13,23,48,1), 0 0 0 5px var(--line-invert);
}
.timeline-row h3{ font-size:1.08rem; color:var(--cream); }
.timeline-row p{ margin-top:6px; font-size:0.9rem; color:rgba(250,247,241,0.72); max-width:56ch; }

/* values */
.value-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.value-card{ text-align:left; }
.value-card h3{ font-size:1.05rem; margin-top:14px; }
.value-card p{ margin-top:8px; font-size:0.88rem; color:var(--ink-soft); }
.value-mark{ font-family:'Fraunces',serif; font-style:italic; font-size:1.6rem; color:var(--gold-deep); }

/* testimonial-esque trust strip */
.trust-strip{ display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap; padding:26px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.trust-item{ font-size:0.82rem; font-weight:700; letter-spacing:0.04em; color:var(--ink-soft); display:flex; align-items:center; gap:10px; }
.trust-item b{ color:var(--navy); font-family:'Fraunces',serif; font-weight:600; }

/* CTA band */
.cta-band{
  border-radius:var(--radius-lg); background:linear-gradient(120deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:var(--cream); padding:52px 48px; display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
}
.cta-band h2{ color:var(--cream); font-size:clamp(1.4rem,2.4vw,1.9rem); max-width:32ch; }
.cta-band p{ color:rgba(250,247,241,0.75); margin-top:8px; }

/* forms (contact / register / login) */
.form-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:36px; box-shadow:var(--shadow-card);
}
.form-row{ margin-bottom:18px; }
.form-row label{ display:block; font-size:0.82rem; font-weight:700; color:var(--navy); margin-bottom:7px; }
.form-row input, .form-row select, .form-row textarea{
  width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:var(--radius-sm);
  background:var(--cream-dim); color:var(--ink);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{ background:var(--white); }
.form-grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-check{ display:flex; align-items:flex-start; gap:10px; font-size:0.84rem; color:var(--ink-soft); margin-bottom:22px; }
.form-check input{ margin-top:3px; width:auto; }
.form-note{ font-size:0.78rem; color:var(--ink-soft); margin-top:14px; }
.form-split{ display:grid; grid-template-columns:1fr 1fr; gap:0; border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-card); }
.form-split-visual{
  background:linear-gradient(150deg,var(--navy) 0%, var(--navy-deep) 100%); color:var(--cream);
  padding:48px 40px; display:flex; flex-direction:column; justify-content:space-between;
}
.form-split-visual h3{ color:var(--cream); font-size:1.4rem; }
.form-split-visual p{ color:rgba(250,247,241,0.75); margin-top:12px; font-size:0.92rem; }
.form-split-form{ background:var(--white); padding:48px 40px; }
.auth-switch{ text-align:center; margin-top:20px; font-size:0.88rem; color:var(--ink-soft); }
.auth-switch a{ color:var(--gold-deep); font-weight:700; }

/* contact page layout */
.contact-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:36px; }
.contact-info-card{ background:var(--navy); color:var(--cream); border-radius:var(--radius-lg); padding:34px; }
.contact-info-card h3{ color:var(--cream); font-size:1.15rem; }
.contact-info-row{ display:flex; gap:14px; margin-top:22px; align-items:flex-start; }
.contact-info-icon{ width:38px; height:38px; border-radius:10px; background:rgba(250,247,241,0.1); display:flex; align-items:center; justify-content:center; flex:none; }
.contact-info-row div p{ margin:0; font-size:0.86rem; color:rgba(250,247,241,0.78); line-height:1.55; }
.contact-info-row div span{ display:block; font-size:0.76rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--gold); font-weight:700; margin-bottom:4px; }
.contact-map{ margin-top:26px; border-radius:var(--radius-md); overflow:hidden; border:1px solid var(--line-invert); aspect-ratio:16/10; }

/* legal pages */
.legal-shell{ max-width:820px; margin:0 auto; }
.legal-shell h2{ font-size:1.9rem; }
.legal-updated{ font-size:0.82rem; color:var(--ink-soft); margin-top:10px; }
.legal-body h3{ font-size:1.15rem; margin-top:36px; }
.legal-body p, .legal-body li{ color:var(--ink-soft); font-size:0.96rem; margin-top:12px; }
.legal-body ul{ margin-top:12px; display:flex; flex-direction:column; gap:8px; }
.legal-body li{ padding-left:20px; position:relative; margin-top:0; }
.legal-body li::before{ content:"—"; position:absolute; left:0; color:var(--gold-deep); }
.legal-toc{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius-md); padding:22px 26px; margin-top:28px; }
.legal-toc a{ display:block; font-size:0.88rem; padding:6px 0; color:var(--navy); font-weight:600; }
.legal-toc a:hover{ color:var(--gold-deep); }

/* unsubscribe */
.unsub-card{ max-width:560px; margin:0 auto; text-align:center; background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg); padding:48px 40px; box-shadow:var(--shadow-card); }
.unsub-icon{ width:64px; height:64px; border-radius:50%; background:var(--cream-dim); display:flex; align-items:center; justify-content:center; margin:0 auto 20px; font-family:'Fraunces',serif; font-size:1.6rem; color:var(--navy); }
.unsub-success{ display:none; }
.unsub-success.show{ display:block; }
.unsub-form.hide{ display:none; }

/* footer */
.site-footer{ background:var(--navy-deep); color:rgba(250,247,241,0.72); padding:64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; }
.footer-brand p{ margin-top:14px; font-size:0.88rem; max-width:34ch; color:rgba(250,247,241,0.6); }
.footer-col h4{ color:var(--cream); font-size:0.82rem; text-transform:uppercase; letter-spacing:0.1em; margin-bottom:16px; }
.footer-col ul{ display:flex; flex-direction:column; gap:10px; }
.footer-col a{ font-size:0.88rem; color:rgba(250,247,241,0.7); }
.footer-col a:hover{ color:var(--gold); }
.footer-badges{ display:flex; gap:10px; margin-top:16px; flex-wrap:wrap; }
.footer-badge{ font-size:0.68rem; border:1px solid var(--line-invert); border-radius:999px; padding:5px 12px; color:rgba(250,247,241,0.6); }
.footer-bottom{ margin-top:52px; padding-top:24px; border-top:1px solid var(--line-invert); display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; font-size:0.78rem; }
.footer-bottom-links{ display:flex; gap:20px; }

/* utility */
.mt-0{ margin-top:0 !important; }
.text-center{ text-align:center; }
.tag-list{ display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; }
.tag{ font-size:0.72rem; font-weight:700; letter-spacing:0.04em; text-transform:uppercase; padding:6px 12px; border-radius:999px; background:var(--cream-dim); color:var(--navy); }

/* ---------------- Responsive ---------------- */
@media (max-width: 1024px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-photo{ order:-1; aspect-ratio:16/9; }
  .lang-grid{ grid-template-columns:repeat(2,1fr); }
  .pro-grid{ grid-template-columns:repeat(2,1fr); }
  .feature-grid{ grid-template-columns:repeat(2,1fr); }
  .method-grid{ grid-template-columns:1fr; }
  .value-grid{ grid-template-columns:repeat(2,1fr); }
  .contact-grid{ grid-template-columns:1fr; }
  .form-split{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 760px){
  .main-nav{ display:none; }
  .nav-toggle{ display:block; }
  .header-actions .btn-ghost{ display:none; }
  .lang-grid{ grid-template-columns:1fr; }
  .pro-grid{ grid-template-columns:1fr; }
  .feature-grid{ grid-template-columns:1fr; }
  .value-grid{ grid-template-columns:1fr; }
  .form-grid-2{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
  .cta-band{ flex-direction:column; align-items:flex-start; }
  .timeline::before{ left:44px; }
  .timeline-row{ grid-template-columns:44px 1fr; gap:16px; }
  .timeline-year::after{ left:40px; }
  section{ padding:64px 0; }
  .hero-grid{ padding:52px 20px 44px; }
}

/* mobile nav drawer */
.mobile-nav{
  display:none; position:fixed; inset:0; z-index:200; background:var(--navy-deep);
  padding:24px 28px; flex-direction:column;
}
.mobile-nav.open{ display:flex; }
.mobile-nav-top{ display:flex; justify-content:space-between; align-items:center; }
.mobile-nav-close{ background:none; border:1px solid var(--line-invert); color:var(--cream); border-radius:50%; width:38px; height:38px; }
.mobile-nav a{ color:var(--cream); font-family:'Fraunces',serif; font-size:1.5rem; padding:16px 0; border-bottom:1px solid var(--line-invert); }
.mobile-nav .btn{ margin-top:28px; }