/* ============================================================
   Vinnovation — shared design system
   Palette:  ink #14181F · paper #F7F8FA · accent (signal blue) #2F6FED
             coral (CTA pop) #FF6B4A · mint (success/tags) #0EA5A5
   Type:     display "Sora" / body "Inter"
   ============================================================ */

:root{
  --ink:#14181F;
  --ink-soft:rgba(20,24,31,.66);
  --ink-faint:rgba(20,24,31,.46);
  --paper:#F7F8FA;
  --paper-dim:#ECEEF2;
  --white:#FFFFFF;
  --accent:#2F6FED;
  --accent-deep:#1E4FCB;
  --accent-dim:rgba(47,111,237,.10);
  --coral:#FF6B4A;
  --coral-dim:rgba(255,107,74,.12);
  --mint:#0EA5A5;
  --mint-dim:rgba(14,165,165,.12);
  --border:rgba(20,24,31,.12);
  --border-soft:rgba(20,24,31,.08);
  --font-display:'Sora',sans-serif;
  --font-body:'Inter',sans-serif;
  --radius:14px;
  --radius-sm:8px;
  --container:1180px;
  --shadow:0 1px 2px rgba(20,24,31,.04), 0 16px 32px -16px rgba(20,24,31,.18);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font:inherit;color:inherit}

.container{max-width:var(--container);margin:0 auto;padding:0 28px}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:-0.02em;
  line-height:1.14;
  color:var(--ink);
}
h1{font-size:clamp(2.2rem,4.2vw,3.7rem);font-weight:700}
h2{font-size:clamp(1.8rem,3.2vw,2.5rem)}
h3{font-size:1.22rem}
p{color:var(--ink-soft)}
.lede{font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--ink-soft);max-width:640px}

/* ---------- eyebrow label ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-body);
  font-size:.8rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.09em;
  color:var(--accent-deep);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--coral);display:inline-block}
.eyebrow.on-dark{color:#9DBBFF}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;
  border-radius:var(--radius-sm);
  font-family:var(--font-body);font-weight:600;font-size:.95rem;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--accent-deep);outline-offset:3px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 12px 24px -10px rgba(47,111,237,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 28px -10px rgba(47,111,237,.6);background:var(--accent-deep)}
.btn-secondary{background:transparent;color:var(--ink);border:1.5px solid var(--border)}
.btn-secondary:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 12px 24px -10px rgba(255,107,74,.5)}
.btn-coral:hover{transform:translateY(-2px);background:#E85735}
.btn-on-dark{background:var(--accent);color:#fff}
.btn-on-dark:hover{transform:translateY(-2px);background:#4C82FF}
.btn-ghost-dark{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.35)}
.btn-ghost-dark:hover{border-color:#fff;transform:translateY(-2px)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.btn-sm{padding:10px 18px;font-size:.85rem}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,248,250,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-soft);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 28px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.14rem;color:var(--ink)}
.logo img{height:36px;width:36px;display:block}
.logo .v-letter{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  padding:9px 16px;border-radius:20px;font-size:.93rem;font-weight:500;color:var(--ink-soft);
  transition:background .15s ease, color .15s ease;
}
.nav-links a:hover{background:var(--paper-dim);color:var(--ink)}
.nav-links a.active{color:var(--accent-deep);background:var(--accent-dim)}
.nav-cta{display:flex;align-items:center;gap:18px}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease, opacity .2s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{display:none}

@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-cta .btn-primary{padding:10px 16px;font-size:.85rem}
  .mobile-panel{display:none;flex-direction:column;gap:2px;padding:10px 28px 20px;border-top:1px solid var(--border-soft)}
  .mobile-panel.open{display:flex}
  .mobile-panel a{padding:12px 6px;font-size:.98rem;color:var(--ink-soft);border-bottom:1px solid var(--border-soft)}
  .mobile-panel a.active{color:var(--accent-deep)}
}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-dim{background:var(--paper-dim)}
.section-dark{background:var(--ink);color:#fff}
.section-dark p{color:rgba(255,255,255,.7)}
.section-dark h1,.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:680px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- hero ---------- */
.hero{padding:76px 0 88px;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero-stats{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap}
.hero-stat b{display:block;font-family:var(--font-display);font-size:1.7rem;color:var(--ink)}
.hero-stat span{font-size:.85rem;color:var(--ink-faint)}
.hero-panel{
  background:linear-gradient(160deg,var(--ink),#1F2530);
  border-radius:20px;padding:34px;color:#fff;
  box-shadow:var(--shadow);
}
.hero-panel .eyebrow{color:#9DBBFF}
.hero-panel .eyebrow::before{background:var(--coral)}
.hero-panel ul{display:flex;flex-direction:column;gap:14px;margin-top:18px}
.hero-panel li{display:flex;align-items:flex-start;gap:10px;font-size:.95rem;color:rgba(255,255,255,.82)}
.hero-panel li::before{content:"";width:7px;height:7px;margin-top:7px;border-radius:2px;background:var(--accent);flex:none}
@media (max-width:900px){.hero{grid-template-columns:1fr;padding-top:44px}}

/* ---------- technology marquee ---------- */
.tech-strip{padding:34px 0;background:var(--white);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.tech-strip-label{display:block;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-faint);margin-bottom:20px}
.marquee{overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:14px;width:max-content;animation:marquee-scroll 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.tech-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 22px;border-radius:999px;border:1.5px solid var(--border);
  background:var(--paper);font-family:var(--font-display);font-weight:600;font-size:.92rem;
  color:var(--ink-soft);white-space:nowrap;flex:none;
}
.tech-chip::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--accent);flex:none}
.tech-chip:nth-child(3n+2)::before{background:var(--coral)}
.tech-chip:nth-child(3n)::before{background:var(--mint)}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{
  background:var(--white);border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:28px;transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--border)}
.card.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.card-tag{display:inline-block;font-size:.75rem;font-weight:700;color:var(--accent-deep);background:var(--accent-dim);padding:4px 10px;border-radius:20px;margin-bottom:14px}
.card h3{margin-bottom:10px}
.card p{font-size:.94rem;margin-bottom:14px}
.card-list{display:flex;flex-direction:column;gap:9px}
.card-list li{position:relative;padding-left:20px;font-size:.92rem;color:var(--ink-soft)}
.card-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--mint)}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media (max-width:860px){.two-col{grid-template-columns:1fr;gap:36px}}

/* ---------- process steps ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding-top:8px}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-display);font-weight:700;font-size:2.1rem;color:var(--accent-dim);
  -webkit-text-stroke:1.5px var(--accent);
}
.step h3{margin:10px 0 8px}
.step p{font-size:.92rem}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--ink),#1F2A44);
  border-radius:20px;padding:52px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  color:#fff;
}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.72);margin-top:6px}

/* ---------- forms ---------- */
.form-card{background:var(--white);border:1px solid var(--border-soft);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.86rem;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--border);
  background:var(--paper);transition:border-color .15s ease, background .15s ease;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);background:#fff}
.field textarea{min-height:120px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.field-row{grid-template-columns:1fr}}
.form-note{font-size:.82rem;color:var(--ink-faint);margin-top:14px;text-align:center}
.form-note.success{color:var(--mint);font-weight:600}
.form-note.error{color:var(--coral);font-weight:600}
.info-list{display:flex;flex-direction:column;gap:26px}
.info-item p{font-size:1rem;color:var(--ink)}
.hp-field{position:absolute;left:-9999px;top:-9999px;opacity:0}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;row-gap:32px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.1rem;color:#fff;margin-bottom:14px}
.footer-logo img{height:32px;width:32px}
.footer-col h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:.92rem;color:rgba(255,255,255,.65);transition:color .15s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:.82rem;color:rgba(255,255,255,.45);flex-wrap:wrap;gap:10px}

/* ---------- misc utility ---------- */
.center{text-align:center}
.mt-0{margin-top:0}