/* ============================================================
   BitFy — design tokens
   ============================================================ */
:root{
  --ink:        #121212;
  --ink-soft:   #1A1A1A;
  --panel:      #202020;
  --panel-2:    #292929;
  --line:       rgba(245,245,245,0.09);
  --line-strong:rgba(245,245,245,0.17);
  --fog:        #A6A6A6;
  --white:      #F5F5F5;
  --orange:     #FF7A1A;
  --orange-dim: rgba(255,122,26,0.20);
  --amber:      #FFC107;
  --amber-dim:  rgba(255,193,7,0.20);
  --danger:     #E2685A;

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'SFMono-Regular', monospace;

  --wrap: 1160px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }

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

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.2rem, 4.4vw, 3.4rem); line-height: 1.08; font-weight: 700; }
h2{ font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.16; margin-top: 10px; }
h3{ font-size: 1.15rem; }
p{ margin: 0; color: var(--fog); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0;
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}

/* faint grain overlay for texture, purely decorative */
.noise-overlay{
  position: fixed; inset:0; pointer-events:none; z-index: 2; opacity: 0.035;
  background-image: radial-gradient(circle at 1px 1px, #ffffff 1px, transparent 0);
  background-size: 3px 3px;
  mix-blend-mode: overlay;
}

.network-bg{
  position: fixed; inset:0; z-index: -1; display:block; pointer-events:none;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  -webkit-appearance: none; appearance: none; -webkit-tap-highlight-color: transparent;
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 13px 24px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor:pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: var(--orange);
  color: #06231A;
}
.btn-primary:hover{ background:#5CE0BB; }
.btn-ghost{
  background: transparent;
  border-color: var(--line-strong);
  color: var(--white);
}
.btn-ghost:hover{ border-color: var(--orange); color: var(--orange); }

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(15,23,31,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 72px;
}
.brand{ display:flex; align-items:center; gap:12px; line-height:1; }
.brand-logo-img{ height: 40px; width:auto; display:block; }
.brand-word{ display:flex; flex-direction:column; gap:2px; }
.brand-mark{ font-family: var(--font-display); font-weight:700; font-size:1.3rem; letter-spacing: -0.01em; }
.brand-mark.small{ font-size:1.05rem; }
.brand-mark-accent{ color: var(--orange); }
.brand-tag{ font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; color: var(--fog); text-transform: uppercase; }

.main-nav{ display:flex; align-items:center; gap: 30px; }
.main-nav a{ font-size: 0.92rem; color: var(--fog); transition: color .2s ease; }
.main-nav a:hover{ color: var(--white); }
.nav-cta{
  padding: 9px 18px; border-radius: 7px;
  background: var(--panel-2); color: var(--white) !important;
  border: 1px solid var(--line-strong);
}
.nav-cta:hover{ border-color: var(--orange); color: var(--orange) !important; }

.nav-support{
  padding: 9px 18px; border-radius: 7px;
  background: var(--orange); color: #241000 !important;
  font-weight: 700;
  transition: background .2s ease, transform .15s ease;
}
.nav-support:hover{ background: #FF8C3D; transform: translateY(-1px); }

.mobile-nav-support{
  margin-top: 8px; text-align:center; border-radius: 8px;
  background: var(--orange); color: #241000 !important; font-weight: 700;
}

.nav-toggle{
  -webkit-appearance: none; appearance: none;
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width: 38px; height: 38px; background:none; border:none; cursor:pointer;
}
.nav-toggle span{ width:100%; height:2px; background: var(--white); border-radius: 2px; }

.mobile-nav{
  display:none; flex-direction:column;
  padding: 10px 28px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--ink-soft);
}
.mobile-nav a{ padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--fog); }
.mobile-nav.is-open{ display:flex; }

@media (max-width: 860px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  padding: 96px 0 88px;
  background:
    radial-gradient(680px 420px at 82% -10%, rgba(255,122,26,0.12), transparent 60%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items:center;
}
.hero-text .eyebrow{ margin-bottom: 16px; display:block; }
.hero-lead{
  margin-top: 20px;
  font-size: 1.08rem;
  max-width: 480px;
}
.hero-actions{ display:flex; gap:14px; margin-top: 34px; flex-wrap:wrap; }

/* --- signature element: status panel --- */
.panel-card{
  background: linear-gradient(180deg, var(--panel), var(--ink-soft));
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}
.panel-card-head{
  display:flex; align-items:center; gap:10px;
  padding-bottom: 16px; margin-bottom: 14px;
  border-bottom: 1px dashed var(--line-strong);
}
.panel-dot{
  width:8px; height:8px; border-radius:50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px var(--orange-dim);
}
.panel-title{
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em;
  color: var(--fog);
}
.panel-live{
  margin-left:auto;
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em;
  color: var(--orange);
  border: 1px solid var(--orange-dim);
  padding: 3px 8px; border-radius: 20px;
}
.panel-list{ display:flex; flex-direction:column; gap: 12px; }
.panel-row{
  display:grid;
  grid-template-columns: 14px 1fr auto auto;
  align-items:center;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.row-led{
  width:9px; height:9px; border-radius:50%;
  background: var(--fog);
  display:inline-block;
}
.row-led.ok{ background: var(--orange); box-shadow: 0 0 0 4px var(--orange-dim); animation: pulse 2.4s ease-in-out infinite; }
.row-led.warn{ background: var(--amber); box-shadow: 0 0 0 4px var(--amber-dim); }
@keyframes pulse{
  0%,100%{ opacity:1; }
  50%{ opacity:0.45; }
}
.row-name{ font-family: var(--font-mono); font-size: 0.82rem; color: var(--white); }
.row-detail{ font-size: 0.8rem; color: var(--fog); text-align:right; }
.row-status{
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em;
  color: var(--orange); text-align:right;
}
.row-status.warn{ color: var(--amber); }
.panel-foot{
  margin-top: 16px; padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  display:flex; justify-content:space-between; align-items:center;
  font-size: 0.8rem; color: var(--fog);
}
.panel-uptime{
  font-family: var(--font-mono); color: var(--white); font-size: 0.95rem; letter-spacing: 0.02em;
}

@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero{ padding: 64px 0 56px; }
}

/* ============================================================
   Stack strip
   ============================================================ */
.stack-strip{
  border-bottom: 1px solid var(--line);
  background: var(--ink-soft);
  overflow: hidden;
}
.stack-strip-inner{
  display:flex; align-items:center; gap: 18px;
  padding: 16px 28px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fog);
  flex-wrap: wrap;
}
.stack-label{ color: var(--white); }
.stack-items{ display:flex; gap:10px; flex-wrap:wrap; }
.stack-items .dot{ color: var(--line-strong); }

.partners-strip{ padding: 20px 0 22px; border-bottom: 1px solid var(--line); }
.partners-label{
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em;
  color: var(--fog); text-transform: uppercase; margin-bottom: 14px; display:block;
}
.partner-badges{ display:flex; flex-wrap: wrap; gap: 10px; }
.partner-badge{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fog);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 7px 14px;
  background: var(--panel);
  transition: color .2s ease, border-color .2s ease;
}
.partner-badge:hover{ color: var(--orange); border-color: var(--orange-dim); }

.partner-badge-logo{
  display:flex; align-items:center; justify-content:center;
  padding: 8px 16px;
  background: #ffffff;
  border-color: var(--line-strong);
}
.partner-badge-logo:hover{ border-color: var(--orange); }
.partner-badge-logo img{
  height: 22px; width: auto; max-width: 120px; object-fit: contain; display:block;
}

/* ============================================================
   Services
   ============================================================ */
.services{ padding: 96px 0; border-bottom: 1px solid var(--line); }
.service-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 44px;
}
.service-card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  transition: border-color .2s ease, transform .2s ease;
}
.service-card:hover{ border-color: var(--line-strong); transform: translateY(-2px); }
.service-card.is-primary{
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border-color: var(--orange-dim);
}
.service-head{ display:flex; flex-direction:column; gap:10px; margin-bottom: 12px; }
.service-tag{
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em;
  color: var(--orange); width: fit-content;
  border: 1px solid var(--orange-dim); padding: 4px 9px; border-radius: 20px;
}
.service-card p{ margin-top: 4px; }
.service-points{ margin-top: 16px; display:flex; flex-direction:column; gap:8px; }
.service-points li{
  font-size: 0.9rem; color: var(--white); padding-left: 18px; position:relative;
}
.service-points li::before{
  content: "";
  position:absolute; left:0; top: 9px;
  width: 6px; height: 1px; background: var(--orange);
}

@media (max-width: 760px){
  .service-grid{ grid-template-columns: 1fr; }
}

/* ============================================================
   Why us
   ============================================================ */
.why{ padding: 96px 0; border-bottom: 1px solid var(--line); background: var(--ink-soft); }
.why-inner{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; }
.why-lead{ margin-top: 18px; max-width: 420px; }
.why-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 26px 32px; }
.why-item{ border-top: 1px solid var(--line-strong); padding-top: 16px; }
.why-index{
  display:block; font-family: var(--font-display); font-weight:600;
  color: var(--orange); margin-bottom: 8px; font-size: 1.05rem;
}
.why-item p{ font-size: 0.92rem; }

@media (max-width: 860px){
  .why-inner{ grid-template-columns: 1fr; }
  .why-grid{ grid-template-columns: 1fr; }
}

/* ============================================================
   Panel detail / terminal
   ============================================================ */
.panel-detail{ padding: 96px 0; border-bottom: 1px solid var(--line); }
.panel-detail-inner{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center; }
.panel-detail-text p:not(.eyebrow){ margin-top: 18px; max-width: 460px; }
.mini-legend{ display:flex; gap: 22px; margin-top: 22px; font-size: 0.85rem; color: var(--fog); flex-wrap:wrap; }
.mini-legend span{ display:flex; align-items:center; gap: 8px; }
.mini-legend .row-led{ position:relative; top:0; }

.term-window{
  background: #0B1218;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}
.term-bar{
  display:flex; align-items:center; gap:8px;
  padding: 10px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.term-dot{ width:9px; height:9px; border-radius:50%; display:inline-block; }
.term-dot.r{ background: var(--danger); }
.term-dot.y{ background: var(--amber); }
.term-dot.g{ background: var(--orange); }
.term-path{ margin-left: 10px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--fog); }
.term-body{
  padding: 18px 16px 22px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #FFD98A;
  min-height: 210px;
  line-height: 1.7;
  white-space: pre-wrap;
}
.term-body .line-fade{ color: var(--fog); }
.term-cursor{ display:inline-block; width:7px; height:14px; background:#FFD98A; vertical-align:-2px; animation: blink 1s step-start infinite; }
@keyframes blink{ 50%{ opacity:0; } }

@media (max-width: 860px){
  .panel-detail-inner{ grid-template-columns: 1fr; }
}

/* ============================================================
   Contact
   ============================================================ */
.contact{ padding: 96px 0 110px; }
.contact-inner{ display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; }
.contact-lead{ margin-top: 18px; max-width: 420px; }
.contact-info{ margin-top: 34px; display:flex; flex-direction:column; gap: 18px; }
.contact-info li{ display:flex; flex-direction:column; gap: 3px; }
.ci-label{ font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--fog); text-transform: uppercase; }
.contact-info a{ font-size: 1.02rem; transition: color .2s ease; }
.contact-info a:hover{ color: var(--orange); }

.contact-form{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px;
  display:flex; flex-direction:column; gap: 18px;
}

.form-type-toggle{ display:flex; gap: 8px; margin-bottom: 4px; flex-wrap: wrap; }
.form-type-btn{
  -webkit-appearance: none; appearance: none; -webkit-tap-highlight-color: transparent;
  flex: 1; min-width: 150px;
  background: var(--ink-soft); border: 1px solid var(--line-strong); border-radius: 8px;
  padding: 11px 14px; color: var(--fog); font-family: var(--font-body); font-size: 0.88rem; font-weight: 600;
  cursor: pointer; transition: all .15s ease;
}
.form-type-btn:hover{ border-color: var(--orange-dim); color: var(--white); }
.form-type-btn.is-active{ background: var(--orange); border-color: var(--orange); color: #241000; }

.audit-fields{
  display:flex; flex-direction:column; gap: 18px;
  background: rgba(255,122,26,0.06); border: 1px solid var(--orange-dim); border-radius: 10px;
  padding: 18px; margin: -4px 0 -4px;
}
.audit-fields[hidden]{ display:none; }
.audit-fields select{
  -webkit-appearance: none; appearance: none;
  background: var(--ink-soft); border: 1px solid var(--line-strong); border-radius: 8px;
  padding: 12px 36px 12px 14px; color: var(--white); font-family: var(--font-body); font-size: 0.95rem; width: 100%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'><path d='M1 1l6 6 6-6' fill='none' stroke='%238A9BAA' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center;
}
.audit-fields select:focus{ outline: 2px solid var(--orange); border-color: var(--orange); }

.form-row{ display:flex; flex-direction:column; gap: 8px; }
.form-row-split{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-row label{ font-size: 0.85rem; color: var(--fog); }
.form-row .opt{ color: #707070; }
input, textarea{
  background: var(--ink-soft);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
  transition: border-color .2s ease;
}
input:focus, textarea:focus{ border-color: var(--orange); }
input::placeholder, textarea::placeholder{ color: #707070; }

.hp-field{ position:absolute; left:-9999px; top:-9999px; }

.btn-submit{ margin-top: 6px; position:relative; }
.btn-spinner{
  display:none;
  width: 15px; height:15px;
  border: 2px solid rgba(6,35,26,0.35);
  border-top-color: #06231A;
  border-radius: 50%;
}
.contact-form.is-loading .btn-spinner{ display:inline-block; animation: spin .7s linear infinite; }
.contact-form.is-loading .btn-label{ opacity: 0.7; }
@keyframes spin{ to{ transform: rotate(360deg); } }

.form-status{
  margin:0; font-size: 0.88rem; min-height: 1.2em;
}
.form-status.ok{ color: var(--orange); }
.form-status.err{ color: var(--danger); }

@media (max-width: 860px){
  .contact-inner{ grid-template-columns: 1fr; }
  .form-row-split{ grid-template-columns: 1fr; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer{ border-top: 1px solid var(--line); padding: 30px 0; }
.footer-inner{
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-inner p{ font-size: 0.82rem; color: #707070; }

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal{ opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ============================================================
   Contact success modal
   ============================================================ */
.confirm-modal{
  position: fixed; inset: 0; z-index: 100;
  display:flex; align-items:center; justify-content:center; padding: 24px;
}
.confirm-modal[hidden]{ display:none; }
.confirm-modal-backdrop{
  position:absolute; inset:0; background: rgba(9,13,17,0.72); backdrop-filter: blur(3px);
  animation: modalFade .18s ease;
}
.confirm-modal-card{
  position:relative; z-index:1; max-width: 400px; width:100%;
  background: var(--panel); border: 1px solid var(--line-strong); border-radius: 16px;
  padding: 36px 30px 30px; text-align:center;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.6);
  animation: modalPop .22s cubic-bezier(.2,.9,.3,1.2);
}
.confirm-modal-icon{ color: var(--orange); display:flex; justify-content:center; margin-bottom: 18px; }
.confirm-modal-card h3{ font-family: var(--font-display); font-size: 1.4rem; margin: 0 0 10px; }
.confirm-modal-card p{ color: var(--fog); font-size: 0.95rem; margin: 0 0 24px; }
.confirm-modal-close{
  -webkit-appearance: none; appearance: none;
  position:absolute; top:14px; right:14px; width:32px; height:32px; border-radius:50%;
  background: transparent; border: 1px solid var(--line-strong); color: var(--fog);
  font-size: 1.2rem; line-height:1; cursor:pointer;
}
.confirm-modal-close:hover{ color: var(--white); border-color: var(--orange-dim); }
.confirm-modal-card .btn{ width:100%; justify-content:center; }

@keyframes modalFade{ from{ opacity:0; } to{ opacity:1; } }
@keyframes modalPop{ from{ opacity:0; transform: translateY(10px) scale(.97); } to{ opacity:1; transform: translateY(0) scale(1); } }