/* ============================================================
   BLUELINK PAYMENT SOLUTIONS
   Signal Blue #0097FE / Ink #0A0E1A
   Display + Body: "Plus Jakarta Sans" (modern fintech register)
   Utility/data: "IBM Plex Mono"
   Signature: card-chip eyebrow marker + flow-line motif
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --ink: #0A0E1A;
  --ink-panel: #111726;
  --blue: #0097FE;
  --blue-deep: #0077CC;
  --blue-glow: #6CC6FF;
  --paper: #F5F8FC;
  --paper-dim: #EAF1F9;
  --text: #10131C;
  --text-soft: #565E6C;
  --line: rgba(10,14,26,0.12);
  --line-on-dark: rgba(255,255,255,0.14);
  --white: #FFFFFF;

  --display: 'Plus Jakarta Sans', sans-serif;
  --body: 'Plus Jakarta Sans', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--body);
  background: var(--paper);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.08;
  margin: 0;
  color: var(--ink);
}
p{ margin: 0 0 1em; }
ul{ margin:0; padding:0; list-style:none; }

.wrap{ max-width: var(--container); margin: 0 auto; padding: 0 32px; }

.eyebrow{
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before{
  content:'';
  width: 18px;
  height: 12px;
  background: var(--blue);
  border-radius: 3px;
  display:inline-block;
  flex-shrink:0;
}
.eyebrow.on-dark{ color: var(--blue-glow); }
.eyebrow.on-dark::before{ background: var(--blue-glow); }

:focus-visible{ outline: 3px solid var(--blue); outline-offset: 3px; }

/* ---------------- Header ---------------- */
header.site{
  position: sticky; top:0; z-index: 100;
  background: rgba(245,248,252,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav{ max-width: var(--container); margin: 0 auto; padding: 16px 32px; display:flex; align-items:center; gap: 24px; position: relative; }
.brand img{ height: 56px; width:auto; }
.nav-links{ display:flex; gap: 30px; align-items:center; flex: 1; justify-content: center; }
.nav-links a{ font-family: var(--display); font-weight: 600; font-size: 15px; color: var(--ink); position: relative; padding: 4px 0; }
.nav-links a::after{ content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav-links a:hover::after, .nav-links a.active::after{ transform: scaleX(1); }
.nav-links a.active{ color: var(--blue); }
.nav-links .nav-cta{ position:absolute; right:32px; top:50%; transform: translateY(-50%); }
.nav-cta{ font-family: var(--mono); font-size: 13px; font-weight: 600; background: var(--ink); color: var(--white) !important; padding: 10px 20px; border-radius: 8px; letter-spacing: 0.02em; }
.nav-cta:hover{ background: var(--blue-deep); }
.nav-toggle{ display:none; }

@media (max-width: 860px){
  .nav-links{ position: fixed; top: 64px; left:0; right:0; background: var(--paper); flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 32px 20px; border-bottom: 1px solid var(--line); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: all .2s ease; }
  .nav-links.open{ transform: translateY(0); opacity:1; pointer-events:auto; }
  .nav-links a{ padding: 12px 0; width:100%; border-bottom: 1px solid var(--line); }
  .nav-links a.active::after, .nav-links a::after{ display:none; }
  .nav-links .nav-cta{ position:static; transform:none; margin-top:10px; }
  .nav-toggle{ display:flex; flex-direction: column; gap: 5px; background:none; border:none; cursor:pointer; padding: 8px; }
  .nav-toggle span{ width: 22px; height: 2px; background: var(--ink); }
}

/* ---------------- Hero ---------------- */
.hero{ position: relative; overflow: hidden; color: var(--white); padding: 0; min-height: 640px; display:flex; align-items:center; }
.hero-bg{ position:absolute; inset:0; z-index:0; }
.hero-bg img{ width:100%; height:100%; object-fit:cover; object-position: center 20%; }
.hero-bg::after{ content:''; position:absolute; inset:0; background: linear-gradient(100deg, rgba(10,14,26,0.96) 0%, rgba(10,14,26,0.75) 42%, rgba(10,14,26,0.35) 70%, rgba(10,14,26,0.55) 100%); }
.hero-copy{ position:relative; z-index:2; padding: 90px 0; max-width: 620px; }
.hero h1{ color: var(--white); font-size: clamp(36px, 4.4vw, 58px); }
.hero h1 span{ color: var(--blue-glow); }
.hero .lede{ font-size: 17.5px; color: rgba(255,255,255,0.75); max-width: 500px; margin: 20px 0 34px; }
.hero-ctas{ display:flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 900px){
  .hero{ min-height: 560px; }
  .hero-copy{ padding: 64px 0; max-width:none; }
}

.btn{ font-family: var(--mono); font-size: 13px; font-weight: 600; letter-spacing: 0.03em; padding: 14px 26px; border-radius: 8px; display:inline-flex; align-items:center; gap: 10px; border: 1.5px solid transparent; transition: all .18s ease; }
.btn-blue{ background: var(--blue); color: var(--white); }
.btn-blue:hover{ background: var(--blue-deep); transform: translateY(-1px); }
.btn-outline{ border-color: rgba(255,255,255,0.35); color: var(--white); }
.btn-outline:hover{ border-color: var(--white); background: rgba(255,255,255,0.06); }
.btn-outline.dark{ border-color: rgba(10,14,26,0.3); color: var(--ink); }
.btn-outline.dark:hover{ border-color: var(--ink); background: rgba(10,14,26,0.05); }

/* Trust strip */
.trust-strip{ background: var(--white); border-bottom: 1px solid var(--line); padding: 20px 0; }
.trust-strip .wrap{ display:flex; align-items:center; gap: 40px; flex-wrap: wrap; justify-content: space-between; }
.trust-label{ font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-soft); white-space: nowrap; }
.trust-items{ display:flex; gap: 34px; flex-wrap: wrap; font-family: var(--display); font-weight: 700; font-size: 16px; color: var(--ink); }

/* ---------------- Sections ---------------- */
section{ padding: 92px 0; }
.section-head{ max-width: 620px; margin-bottom: 52px; }
.section-head h2{ font-size: clamp(28px, 3.6vw, 42px); }
.section-head p{ font-size: 16.5px; color: var(--text-soft); margin-top: 14px; }
.bg-ink{ background: var(--ink); color: rgba(255,255,255,0.85); }
.bg-ink h2, .bg-ink h3, .bg-ink h4{ color: var(--white); }
.bg-ink .section-head p{ color: rgba(255,255,255,0.6); }
.bg-dim{ background: var(--paper-dim); }

/* Service grid */
.service-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.service-card{ background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 30px; transition: transform .2s ease, box-shadow .2s ease; }
.service-card:hover{ transform: translateY(-3px); box-shadow: 0 16px 32px rgba(10,14,26,0.08); }
.service-card .num{ font-family: var(--mono); font-size: 12px; color: var(--blue); font-weight: 600; }
.service-card h3{ font-size: 19px; margin: 12px 0 10px; }
.service-card p{ color: var(--text-soft); font-size: 14.5px; margin-bottom: 0; }
@media (max-width: 900px){ .service-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px){ .service-grid{ grid-template-columns: 1fr; } }

/* Mission/vision */
.mv-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.mv-card{ background: var(--ink-panel); border: 1px solid var(--line-on-dark); border-radius: 14px; padding: 40px 36px; }
.mv-card p{ font-size: 18px; color: var(--white); font-weight:500; margin:0; line-height:1.55; }
@media (max-width: 760px){ .mv-grid{ grid-template-columns: 1fr; } }

/* Value grid */
.value-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.value-card{ background: var(--white); padding: 30px 26px; }
.value-card h3{ font-size: 18px; margin-bottom: 8px; }
.value-card p{ color: var(--text-soft); font-size: 14.5px; margin:0; }
@media (max-width: 900px){ .value-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .value-grid{ grid-template-columns: 1fr; } }

/* Why choose grid */
.why-grid{ display:grid; grid-template-columns: repeat(5,1fr); gap: 20px; }
.why-card{ border-top: 3px solid var(--blue-glow); padding-top: 18px; }
.why-card h3{ font-size: 16px; margin-bottom: 6px; color: var(--white); }
.why-card p{ font-size: 13.5px; color: rgba(255,255,255,0.62); margin:0; }
@media (max-width: 900px){ .why-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .why-grid{ grid-template-columns: 1fr; } }

/* App dev feature */
.appdev-grid{ display:grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.appdev-card{ background: var(--white); border:1px solid var(--line); border-radius:12px; padding:24px; }
.appdev-card h3{ font-size:16px; margin-bottom:8px; }
.appdev-card p{ font-size:14px; color:var(--text-soft); margin:0; }
@media (max-width: 760px){ .appdev-grid{ grid-template-columns: 1fr; } }

/* Team */
.team-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.team-card{ background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 30px; }
.team-card .role{ font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--blue); font-weight:600; }
.team-card h3{ font-size: 24px; margin: 8px 0 14px; }
.team-card .profile{ color: var(--text-soft); font-size: 14.5px; margin-bottom: 18px; }
.team-card h4{ font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); margin-bottom: 10px; }
.team-card .resp-list li{ font-size: 14px; color: var(--text-soft); padding: 5px 0 5px 16px; position:relative; }
.team-card .resp-list li::before{ content:'—'; position:absolute; left:0; color: var(--blue); }
.team-card .strengths{ display:flex; flex-wrap:wrap; gap:8px; margin-top: 16px; }
.team-card .strengths span{ font-family: var(--mono); font-size: 11px; background: var(--paper-dim); color: var(--ink); padding: 5px 10px; border-radius: 20px; }
@media (max-width: 760px){ .team-grid{ grid-template-columns: 1fr; } }

/* References */
.ref-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.ref-card{ background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.ref-card .org{ font-family: var(--display); font-weight:700; font-size:17px; color: var(--ink); }
.ref-card .contact{ font-size: 14px; color: var(--text-soft); margin-top: 8px; }
@media (max-width: 760px){ .ref-grid{ grid-template-columns: 1fr; } }

/* Contact */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-info h3{ font-size: 21px; margin-bottom: 18px; }
.contact-row{ padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-row .label{ font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); display:block; margin-bottom: 6px; }
.contact-row .value{ font-size: 16.5px; color: var(--ink); font-weight: 500; }
form.contact-form{ display:grid; gap: 18px; }
.field label{ font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-soft); display:block; margin-bottom: 8px; }
.field input, .field textarea, .field select{ width:100%; font-family: var(--body); font-size: 15px; padding: 13px 14px; border: 1.5px solid var(--line); background: var(--white); border-radius: 8px; color: var(--text); }
.field input:focus, .field textarea:focus, .field select:focus{ border-color: var(--blue); outline:none; }
.field textarea{ resize: vertical; min-height: 110px; }
.form-note{ font-size: 13px; color: var(--text-soft); margin-top:4px; }

/* CTA band */
.cta-band{ position:relative; overflow:hidden; background: linear-gradient(120deg, var(--blue-deep), var(--blue)); color: var(--white); padding: 64px 0; text-align:center; }
.cta-band h2{ color: var(--white); font-size: clamp(26px,3.6vw,40px); margin-bottom: 10px; }
.cta-band p{ color: rgba(255,255,255,0.8); margin-bottom: 26px; }
.cta-band .btn-outline{ border-color: rgba(255,255,255,0.5); color: var(--white); }
.cta-band .btn-outline:hover{ background: rgba(255,255,255,0.14); }

/* Footer */
footer.site{ background: var(--ink); color: rgba(255,255,255,0.55); padding: 56px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .logo-chip{ display:inline-block; background: var(--white); padding: 8px 14px; border-radius: 8px; margin-bottom: 16px; }
.footer-brand .logo-chip img{ height: 34px; margin-bottom:0; }
.footer-desc{ font-size: 14px; max-width: 320px; }
.footer-col h4{ font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue-glow); margin-bottom: 16px; }
.footer-col a, .footer-col li{ display:block; font-size: 14px; padding: 6px 0; color: rgba(255,255,255,0.6); }
.footer-col a:hover{ color: var(--blue-glow); }
.footer-bottom{ padding-top: 24px; display:flex; justify-content: space-between; flex-wrap:wrap; gap: 10px; font-size: 13px; font-family: var(--mono); }
@media (max-width: 900px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } }

/* Reveal-on-scroll */
.reveal{ opacity:0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } .reveal{ opacity:1; transform:none; transition:none; } }

/* Inner page hero */
.page-hero{ position: relative; overflow:hidden; background: var(--ink); color: var(--white); padding: 76px 0 60px; }
.page-hero h1{ color:var(--white); font-size: clamp(32px,4vw,48px); }
.page-hero p{ color: rgba(255,255,255,0.65); font-size: 16.5px; max-width:600px; margin-top: 14px; }

/* Slogan strip */
.slogan-strip{ background: var(--ink); padding: 26px 0; text-align:center; }
.slogan-strip p{ font-family: var(--display); font-style: italic; font-weight:600; font-size:18px; color: var(--blue-glow); margin:0; }