/* ==========================================================================
   Design Decrypt — shared stylesheet
   Palette: ink / navy family, white & paper, single electric-blue accent
   Type: Space Grotesk (display) + Inter (body)
   ========================================================================== */

:root{
  --ink:        #05070d;
  --navy-950:   #060c1c;
  --navy-900:   #0a1636;
  --navy-800:   #0f1f47;
  --navy-700:   #17306b;
  --navy-500:   #2c4f9e;
  --accent:     #5b8dff;
  --accent-dim: #3d64c9;
  --white:      #f7f8fc;
  --paper:      #eef1f7;
  --paper-line: rgba(10,20,50,.12);
  --dark-line:  rgba(247,248,252,.14);
  --muted-on-dark: #a4afd1;
  --muted-on-light: #566089;
  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --max: 1180px;
  --pad: clamp(20px, 5vw, 64px);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@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{
  margin:0;
  background: var(--navy-950);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.08;
}

p{ margin: 0; }
a{ color: inherit; text-decoration: none; }
img,svg{ display:block; max-width:100%; }
button{ font-family: inherit; cursor:pointer; }
ul{ margin:0; padding:0; list-style:none; }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.section{ padding: clamp(64px, 10vw, 128px) 0; position: relative; }
.section--light{ background: var(--paper); color: var(--navy-950); }
.section--ink{ background: var(--ink); color: var(--white); }
.section--navy{ background: var(--navy-950); color: var(--white); }

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap: 24px;
  margin-bottom: clamp(36px, 6vw, 64px);
}
.section-head h2{ font-size: clamp(1.8rem, 3.4vw, 2.6rem); max-width: 20ch; }
.section-head .section-note{
  max-width: 34ch;
  font-size: .98rem;
}
.section--light .section-note{ color: var(--muted-on-light); }
.section--ink .section-note, .section--navy .section-note{ color: var(--muted-on-dark); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .95rem;
  border-radius: 3px;
  border: 1px solid transparent;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{
  background: var(--accent);
  color: var(--ink);
}
.btn-primary:hover{ background: #74a0ff; }
.btn-ghost-dark{
  border-color: var(--dark-line);
  color: var(--white);
}
.btn-ghost-dark:hover{ border-color: var(--accent); color: var(--accent); }
.btn-ghost-light{
  border-color: var(--paper-line);
  color: var(--navy-950);
}
.btn-ghost-light:hover{ border-color: var(--navy-700); background: rgba(15,31,71,.05); }

/* ---------- Header ---------- */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: padding .25s ease, background .25s ease, border-color .25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled{
  padding: 12px 0;
  background: rgba(6,12,28,.86);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--dark-line);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; gap: 24px; }

.brand{ display:flex; align-items:center; gap:10px; font-family: var(--font-display); font-weight:700; font-size:1.15rem; color:var(--white); }
.brand-mark{ width:30px; height:30px; flex-shrink:0; }

.main-nav{ display:flex; align-items:center; gap: 34px; }
.main-nav a{ font-size:.94rem; color: var(--muted-on-dark); transition: color .18s ease; }
.main-nav a:hover{ color: var(--white); }
.header-cta{ display:flex; align-items:center; gap:18px; }

.nav-toggle{
  display:none;
  width: 40px; height: 40px;
  background:none; border:1px solid var(--dark-line); border-radius:3px;
  align-items:center; justify-content:center;
  color: var(--white);
}
.nav-toggle svg{ width:18px; height:18px; }

@media (max-width: 880px){
  .main-nav{
    position: fixed;
    inset: 64px 16px auto 16px;
    background: var(--navy-900);
    border: 1px solid var(--dark-line);
    border-radius: 6px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    transform-origin: top right;
    transform: scale(.97);
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
  }
  .main-nav.is-open{ opacity:1; transform: scale(1); pointer-events:auto; }
  .main-nav a{ padding: 14px 12px; border-radius:4px; }
  .main-nav a:hover{ background: rgba(255,255,255,.05); }
  .nav-toggle{ display:flex; }
  .header-cta .btn-ghost-dark{ display:none; }
}

/* ---------- Hero ---------- */
.hero{
  min-height: 100vh;
  display:flex;
  align-items:center;
  padding-top: 120px;
  padding-bottom: 80px;
  background:
    radial-gradient(1100px 620px at 82% -10%, rgba(91,141,255,.16), transparent 60%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--ink) 100%);
  overflow: hidden;
  position: relative;
}
.hero .wrap{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 6vw, 72px);
  align-items:center;
}
.hero-eyebrow-line{
  display:flex; align-items:center; gap: 10px;
  color: var(--muted-on-dark);
  font-size: .9rem;
  margin-bottom: 22px;
}
.hero-eyebrow-line .dot{ width:7px; height:7px; border-radius:50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(91,141,255,.18); }

.hero h1{
  font-size: clamp(2.4rem, 5.6vw, 4.1rem);
  color: var(--white);
  max-width: 14ch;
}
.hero-sub{
  margin-top: 24px;
  max-width: 46ch;
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
  color: var(--muted-on-dark);
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-top: 40px; }

.hero-services-ticker{
  margin-top: 56px;
  display:flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  color: var(--muted-on-dark);
  font-size: .84rem;
}
.hero-services-ticker span{ position:relative; padding-left:16px; }
.hero-services-ticker span::before{ content:""; position:absolute; left:0; top:50%; width:7px; height:1px; background: var(--muted-on-dark); }

/* decrypt visual */
.decrypt-visual{
  position:relative;
  border:1px solid var(--dark-line);
  border-radius: 6px;
  background: rgba(10,20,50,.4);
  padding: 22px;
  font-family: var(--font-mono);
  font-size: clamp(.85rem, 1.6vw, 1.05rem);
  line-height: 1.7;
  color: var(--accent);
  overflow:hidden;
}
.decrypt-visual::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, transparent 70%, rgba(6,12,28,.9));
  pointer-events:none;
}
.decrypt-visual .cursor-row{ display:flex; justify-content:space-between; color: var(--muted-on-dark); font-size:.72rem; margin-bottom:14px; }
.decrypt-visual .cipher-line{ white-space:pre; letter-spacing:.02em; }
.decrypt-visual .cipher-line b{ color: var(--white); font-weight:500; }

/* ---------- Services list ---------- */
.services-list{ border-top: 1px solid var(--paper-line); }
.service-row{
  display:grid;
  grid-template-columns: 220px 1fr 260px;
  gap: 28px;
  align-items: start;
  padding: 34px 0;
  border-bottom: 1px solid var(--paper-line);
  transition: background .2s ease;
}
.service-row:hover{ background: rgba(15,31,71,.035); }
.service-index{ font-family: var(--font-mono); font-size: .8rem; color: var(--muted-on-light); }
.service-name{ font-family: var(--font-display); font-size: clamp(1.25rem, 2.2vw, 1.6rem); font-weight:600; }
.service-desc{ margin-top: 10px; color: var(--muted-on-light); max-width: 62ch; }
.service-tags{ display:flex; flex-wrap:wrap; gap:8px; align-content:flex-start; }
.service-tags span{
  font-size: .76rem;
  padding: 6px 11px;
  border: 1px solid var(--paper-line);
  border-radius: 3px;
  color: var(--muted-on-light);
}

@media (max-width: 780px){
  .service-row{ grid-template-columns: 1fr; gap: 10px; }
  .service-index{ order:1; }
  .service-name{ order:2; }
  .service-desc{ order:3; }
  .service-tags{ order:4; margin-top: 6px; }
}

/* ---------- Process ---------- */
.process-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--dark-line);
  border: 1px solid var(--dark-line);
  border-radius: 6px;
  overflow:hidden;
}
.process-step{ background: var(--navy-950); padding: 34px 30px; }
.process-num{ font-family: var(--font-mono); color: var(--accent); font-size:.85rem; }
.process-step h3{ margin-top: 16px; font-size: 1.3rem; color: var(--white); }
.process-step p{ margin-top: 12px; color: var(--muted-on-dark); font-size: .95rem; }
@media (max-width: 780px){ .process-grid{ grid-template-columns: 1fr; } }

/* ---------- Why us ---------- */
.why-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.why-card{ padding-top: 22px; border-top: 2px solid var(--navy-700); }
.why-card h3{ font-size: 1.15rem; color: var(--white); }
.why-card p{ margin-top: 10px; color: var(--muted-on-dark); font-size: .95rem; }
@media (max-width: 780px){ .why-grid{ grid-template-columns: 1fr; gap: 34px; } }

/* ---------- Contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 6vw, 72px);
}
.contact-info h2{ font-size: clamp(1.9rem, 3.6vw, 2.7rem); max-width: 14ch; }
.contact-info p{ margin-top: 20px; color: var(--muted-on-light); max-width: 40ch; }
.contact-detail{ margin-top: 34px; display:flex; flex-direction:column; gap: 14px; }
.contact-detail a{ font-family: var(--font-display); font-size: 1.1rem; color: var(--navy-950); border-bottom: 1px solid var(--navy-700); padding-bottom:2px; }

.field{ margin-bottom: 20px; }
.field label{ display:block; font-size: .82rem; margin-bottom: 8px; color: var(--muted-on-light); }
.field input, .field textarea, .field select{
  width:100%;
  padding: 13px 14px;
  background: var(--white);
  border: 1px solid var(--paper-line);
  border-radius: 3px;
  color: var(--navy-950);
  font-family: var(--font-body);
  font-size: .96rem;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:none;
  border-color: var(--navy-700);
  box-shadow: 0 0 0 3px rgba(23,48,107,.12);
}
.field textarea{ resize: vertical; min-height: 120px; }
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width:560px){ .field-row{ grid-template-columns: 1fr; } }

.hp-field{ position:absolute; left:-9999px; top:-9999px; opacity:0; }

.form-status{
  margin-top: 16px;
  font-size: .9rem;
  display:none;
  padding: 12px 14px;
  border-radius: 3px;
}
.form-status.is-visible{ display:block; }
.form-status.ok{ background: rgba(44,199,120,.12); color: #1f7a4d; }
.form-status.err{ background: rgba(220,60,60,.1); color: #a12626; }

.form-fineprint{ margin-top: 14px; font-size: .78rem; color: var(--muted-on-light); }

/* ---------- Footer ---------- */
.site-footer{ background: var(--ink); border-top: 1px solid var(--dark-line); padding: 56px 0 30px; }
.footer-top{ display:flex; flex-wrap:wrap; justify-content:space-between; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--dark-line); }
.footer-cols{ display:flex; gap: 64px; flex-wrap:wrap; }
.footer-col h4{ font-size:.82rem; color: var(--muted-on-dark); margin-bottom: 16px; font-weight:600; }
.footer-col a{ display:block; font-size:.92rem; color: var(--white); padding: 6px 0; opacity:.85; transition: opacity .15s ease, color .15s ease; }
.footer-col a:hover{ opacity:1; color: var(--accent); }
.footer-bottom{ display:flex; flex-wrap:wrap; justify-content:space-between; gap: 12px; padding-top: 24px; font-size:.82rem; color: var(--muted-on-dark); }
.footer-bottom a:hover{ color: var(--white); }

/* ---------- Reveal-on-scroll (single, quiet) ---------- */
.reveal{ opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ---------- Legal page ---------- */
.legal-hero{ padding: 150px 0 60px; background: linear-gradient(180deg, var(--navy-950), var(--ink)); }
.legal-hero h1{ font-size: clamp(2rem, 4.5vw, 3rem); }
.legal-hero p{ margin-top:16px; color: var(--muted-on-dark); }
.legal-body{ max-width: 760px; }
.legal-body h2{ font-size: 1.35rem; margin-top: 42px; margin-bottom: 14px; color: var(--navy-950); }
.legal-body h2:first-child{ margin-top:0; }
.legal-body p, .legal-body li{ color: var(--muted-on-light); margin-bottom: 12px; font-size: .98rem; }
.legal-body ul{ padding-left: 20px; list-style: disc; }
.legal-body a{ color: var(--navy-700); border-bottom: 1px solid var(--navy-700); }
.legal-updated{ font-size:.85rem; color: var(--muted-on-light); margin-bottom: 30px; }