/* ==========================================================================
   FRAVENTURE — Design System
   Signature: a schematic route map — nodes, dashed connectors and mono
   coordinate labels running through hero, dividers and service marks.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;1,8..60,400&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* Color */
  --ink:        #14181F;
  --ink-soft:   #3A4049;
  --paper:      #EDEEE7;
  --paper-alt:  #E2E4DA;
  --white:      #FBFBF9;
  --brass:      #B07C33;
  --brass-dark: #8C6224;
  --route:      #2B4C6F;
  --route-soft: #4E7196;
  --line:       rgba(20,24,31,0.14);
  --line-strong:rgba(20,24,31,0.28);

  /* Type */
  --f-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --f-body:    'Source Serif 4', Georgia, 'Times New Roman', serif;
  --f-mono:    'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  /* Scale */
  --step--1: clamp(0.8rem, 0.78rem + 0.1vw, 0.875rem);
  --step-0:  clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  --step-1:  clamp(1.2rem, 1.15rem + 0.25vw, 1.35rem);
  --step-2:  clamp(1.5rem, 1.4rem + 0.5vw, 1.85rem);
  --step-3:  clamp(2rem, 1.75rem + 1.2vw, 2.75rem);
  --step-4:  clamp(2.75rem, 2.2rem + 2.6vw, 4.25rem);

  --container: 1180px;
  --gutter: clamp(1.25rem, 1rem + 2vw, 3rem);
  --radius: 2px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; }
h1,h2,h3,h4{ font-family: var(--f-display); font-weight: 600; line-height: 1.12; margin: 0 0 0.5em; letter-spacing: -0.01em; }
p{ margin: 0 0 1.1em; }
p:last-child{ margin-bottom: 0; }

:focus-visible{ outline: 2px solid var(--route); outline-offset: 3px; }

.skip-link{
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--white); font-family: var(--f-mono);
  font-size: 0.85rem; padding: 0.7rem 1.1rem; border-radius: var(--radius);
}
.skip-link:focus{ left: 1rem; top: 1rem; }

.wrap{ max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }

/* ---- Eyebrow / mono labels ---- */
.eyebrow{
  font-family: var(--f-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--route);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 0.9em;
}
.eyebrow::before{
  content: "";
  width: 7px; height: 7px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  flex: none;
}

/* ---- Header ---- */
.site-header{
  position: sticky; top: 0; z-index: 40;
  background: rgba(237,238,231,0.96);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 1.1rem;
}
.brand{ display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--ink); }
.brand svg{ width: 30px; height: 30px; flex: none; }
.brand-word{ font-family: var(--f-display); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.02em; }

.main-nav{ display: flex; align-items: center; gap: clamp(1.1rem, 2vw, 2rem); }
.main-nav a{
  font-family: var(--f-display); font-size: 0.92rem; text-decoration: none;
  color: var(--ink-soft); position: relative; padding-block: 0.2rem;
}
.main-nav a:hover, .main-nav a[aria-current="page"]{ color: var(--ink); }
.main-nav a[aria-current="page"]::after{
  content:""; position:absolute; left:0; right:0; bottom:-4px; height:2px; background: var(--brass);
}
.lang-switch{
  display:flex; align-items:center; gap:0.35rem;
  font-family: var(--f-mono); font-size: 0.78rem; letter-spacing:0.04em;
  border-left: 1px solid var(--line); padding-left: clamp(1.1rem,2vw,2rem);
}
.lang-switch a{ text-decoration:none; color: var(--ink-soft); padding: 0.2rem 0.35rem; }
.lang-switch a.is-active{ color: var(--ink); font-weight: 600; }
.lang-switch span{ color: var(--line-strong); }

.nav-toggle{ display:none; }

/* ---- Buttons ---- */
.btn{
  font-family: var(--f-display); font-size: 0.92rem; font-weight: 600;
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.85rem 1.4rem; border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn-primary{ background: var(--ink); color: var(--white); }
.btn-primary:hover{ background: var(--route); transform: translateY(-1px); }
.btn-ghost{ border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn-ghost:hover{ border-color: var(--ink); }
.section-ink .btn-primary{ background: var(--brass); color: var(--ink); }
.section-ink .btn-primary:hover{ background: #C89454; }
.section-ink .btn-ghost{ border-color: rgba(251,251,249,0.4); color: var(--paper); }
.section-ink .btn-ghost:hover{ border-color: var(--paper); }
.btn-arrow{ transition: transform .18s ease; }
.btn:hover .btn-arrow{ transform: translateX(3px); }

/* ---- Hero ---- */
.hero{ padding-block: clamp(3rem, 6vw, 6.5rem) clamp(2.5rem, 5vw, 5rem); position: relative; overflow: hidden; }
.hero .wrap{ display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1{ font-size: var(--step-4); max-width: 12ch; }
.hero .lede{ font-size: var(--step-1); color: var(--ink-soft); max-width: 46ch; margin-bottom: 1.6em; }
.hero-actions{ display: flex; flex-wrap: wrap; gap: 0.9rem; align-items:center; }
.hero-figure{ position: relative; }
.hero-figure svg{ width: 100%; height: auto; }

/* ---- Sections ---- */
section{ padding-block: clamp(3rem, 6vw, 5.5rem); }
.section-alt{ background: var(--paper-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-ink{ background: var(--ink); color: var(--paper); }
.section-ink .eyebrow{ color: var(--brass); }
.section-head{ max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head h2{ font-size: var(--step-3); }
.section-head .lede{ color: var(--ink-soft); font-size: var(--step-1); }
.section-ink .section-head .lede{ color: #C9CCC3; }

/* ---- Capability / service grid ---- */
.cap-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-strong); border: 1px solid var(--line-strong); }
.cap-card{ background: var(--paper); padding: clamp(1.6rem, 3vw, 2.4rem); display: flex; flex-direction: column; gap: 1rem; }
.cap-code{ font-family: var(--f-mono); font-size: 0.78rem; color: var(--route); letter-spacing: 0.06em; }
.cap-card h3{ font-size: var(--step-2); margin-bottom: 0.3em; }
.cap-card svg{ width: 100%; height: auto; margin-bottom: 0.4rem; }
.cap-card p{ color: var(--ink-soft); font-size: 0.96rem; }
.cap-card ul{ margin: 0.4rem 0 0; padding-left: 1.1em; color: var(--ink-soft); font-size: 0.92rem; }
.cap-card li{ margin-bottom: 0.35em; }

/* ---- Route divider ---- */
.route-divider{ width: 100%; height: auto; display: block; margin-block: clamp(1rem,3vw,2rem); }
.route-line{ stroke-dasharray: 6 6; }

/* ---- Stat strip ---- */
.stat-strip{ display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat{ padding: 1.6rem clamp(1rem,2vw,1.6rem); border-left: 1px solid var(--line); }
.stat:first-child{ border-left: none; }
.stat b{ display:block; font-family: var(--f-display); font-size: var(--step-3); font-weight: 700; }
.stat span{ font-family: var(--f-mono); font-size: 0.78rem; color: var(--ink-soft); letter-spacing: 0.03em; }

/* ---- Approach / process list ---- */
.process{ display: flex; flex-direction: column; }
.process-row{ display: grid; grid-template-columns: 8rem 1fr; gap: clamp(1rem,3vw,2.5rem); padding-block: 1.8rem; border-top: 1px solid var(--line); }
.process-row:last-child{ border-bottom: 1px solid var(--line); }
.process-code{ font-family: var(--f-mono); font-size: 0.85rem; color: var(--route); padding-top: 0.2em; }
.process-row h3{ font-size: var(--step-1); margin-bottom: 0.35em; }
.process-row p{ color: var(--ink-soft); max-width: 62ch; }

/* ---- Two column ---- */
.split{ display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4.5rem); align-items: start; }
.split figure{ margin: 0; }

/* ---- Quote / callout ---- */
.callout{ border-left: 3px solid var(--brass); padding-left: 1.4rem; font-family: var(--f-display); font-size: var(--step-1); font-weight: 500; max-width: 58ch; }

/* ---- Region list ---- */
.tag-row{ display:flex; flex-wrap:wrap; gap: 0.6rem; margin-top: 1rem; }
.tag{ font-family: var(--f-mono); font-size: 0.78rem; border: 1px solid var(--line-strong); padding: 0.35rem 0.7rem; border-radius: var(--radius); color: var(--ink-soft); }

/* ---- Contact ---- */
.contact-grid{ display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem,5vw,4.5rem); }
.contact-info dt{ font-family: var(--f-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--route); margin-top: 1.6rem; }
.contact-info dt:first-child{ margin-top: 0; }
.contact-info dd{ margin: 0.35rem 0 0; font-family: var(--f-display); font-size: 1.05rem; }
.contact-info a{ text-decoration: none; border-bottom: 1px solid var(--line-strong); }
.contact-info a:hover{ border-color: var(--ink); }

.field{ margin-bottom: 1.3rem; }
.field label{ display:block; font-family: var(--f-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-soft); margin-bottom: 0.5rem; }
.field input, .field textarea, .field select{
  width: 100%; font-family: var(--f-body); font-size: 1rem; color: var(--ink);
  background: var(--white); border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 0.8rem 0.9rem; resize: vertical;
}
.field input:focus, .field textarea:focus, .field select:focus{ outline: 2px solid var(--route); outline-offset: 1px; border-color: var(--route); }
.field-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-note{ font-size: 0.85rem; color: var(--ink-soft); margin-top: 0.9rem; }
.form-status{ font-family: var(--f-mono); font-size: 0.85rem; margin-top: 1rem; display:none; }
.form-status.is-visible{ display:block; }
.form-status.ok{ color: #2E6B45; }
.form-status.err{ color: #A23B3B; }
.hp-field{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

/* ---- Footer ---- */
.site-footer{ background: var(--ink); color: var(--paper); }
.site-footer .wrap{ padding-block: clamp(2.5rem, 5vw, 4rem); }
.footer-grid{ display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: clamp(2rem,4vw,3rem); }
.footer-brand{ display:flex; align-items:center; gap:0.6rem; margin-bottom: 1rem; }
.footer-brand svg{ width: 26px; height:26px; }
.footer-brand span{ font-family: var(--f-display); font-weight: 700; }
.site-footer p{ color: #AEB2A6; max-width: 34ch; font-size: 0.95rem; }
.footer-col h4{ font-family: var(--f-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: #AEB2A6; font-weight: 400; margin-bottom: 0.9rem; }
.footer-col a, .footer-col li{ color: #D8DACE; text-decoration: none; font-size: 0.92rem; }
.footer-col ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:0.6rem; }
.footer-col a:hover{ color: var(--white); }
.footer-legal{ font-family: var(--f-mono); font-size: 0.76rem; color: #8B8F82; }
.footer-bottom{ margin-top: clamp(2rem,4vw,3rem); padding-top: 1.4rem; border-top: 1px solid rgba(251,251,249,0.14); display:flex; flex-wrap:wrap; gap:1rem; justify-content:space-between; align-items:center; }

/* ---- Legal page ---- */
.legal-body h2{ font-size: var(--step-2); margin-top: 2.2em; }
.legal-body h2:first-child{ margin-top: 0; }
.legal-body p, .legal-body li{ color: var(--ink-soft); }
.legal-body{ max-width: 72ch; }
.legal-meta{ font-family: var(--f-mono); font-size: 0.85rem; color: var(--route); border: 1px solid var(--line-strong); padding: 1.1rem 1.3rem; margin-bottom: 2.4rem; display:grid; gap:0.4rem; }

/* ---- Page intro (non-home pages) ---- */
.page-intro{ padding-block: clamp(2.5rem,5vw,4rem) clamp(1.5rem,3vw,2rem); }
.page-intro h1{ font-size: var(--step-3); max-width: 20ch; }
.page-intro .lede{ font-size: var(--step-1); color: var(--ink-soft); max-width: 60ch; }
.breadcrumb{ font-family: var(--f-mono); font-size: 0.78rem; color: var(--route); text-decoration:none; }

/* ---- Reveal animation ---- */
[data-reveal]{ opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible{ opacity: 1; transform: translateY(0); }

/* ---- CTA band ---- */
.cta-band{ text-align:left; }
.cta-band .wrap{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:1.5rem; }
.cta-band h2{ font-size: var(--step-2); max-width: 20ch; margin:0; }

/* ---- Responsive ---- */
@media (max-width: 900px){
  .main-nav{
    position: fixed; inset: 0;
    z-index: 60;
    background: var(--paper);
    flex-direction: column; align-items: flex-start;
    padding: 6.5rem var(--gutter) 2rem;
    gap: 1.4rem;
    transform: translateX(100%);
    transition: transform .3s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .main-nav.is-open{ transform: translateX(0); }
  .lang-switch{ border-left: none; padding-left: 0; margin-top: 1rem; }
  .nav-toggle{
    position: relative; z-index: 61;
    display:flex; align-items:center; justify-content:center;
    width: 40px; height: 40px; border: 1px solid var(--line-strong);
    background: var(--paper); border-radius: var(--radius); cursor: pointer;
  }
  .nav-toggle .icon-bars, .nav-toggle .icon-close{ width: 18px; height: 18px; }
  .nav-toggle .icon-close{ display: none; }
  .nav-toggle[aria-expanded="true"] .icon-bars{ display: none; }
  .nav-toggle[aria-expanded="true"] .icon-close{ display: block; }
  .hero .wrap{ grid-template-columns: 1fr; }
  .hero-figure{ order: -1; }
  .cap-grid{ grid-template-columns: 1fr; }
  .stat-strip{ grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(3){ border-left: none; }
  .split{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child{ grid-column: 1 / -1; }
  .field-row{ grid-template-columns: 1fr; }
  .process-row{ grid-template-columns: 1fr; gap: 0.4rem; }
}
@media (max-width: 560px){
  .footer-grid{ grid-template-columns: 1fr; }
}