/* ============================================================
   xpens — brand stylesheet (v1)
   Colors + type tokens map 1:1 to the Visual Brand Guidelines.
   To swap in the real licensed fonts, drop the .woff2 files in
   /assets/fonts and edit the @font-face blocks + the --font-*
   variables below. Nothing else needs to change.
   ============================================================ */

/* ---- FONTS ----------------------------------------------------
   Licensed brand fonts, self-hosted from /assets/fonts:
     Season Sans  -> body / corporate voice
     Season Mix   -> headlines / human voice
     Saans Mono   -> data / eyebrows / labels
--------------------------------------------------------------- */
@font-face{ font-family:'Season Sans'; src:url('assets/fonts/SeasonSans-Regular.woff2') format('woff2'); font-weight:400; font-style:normal; font-display:swap; }
@font-face{ font-family:'Season Sans'; src:url('assets/fonts/SeasonSans-Medium.woff2') format('woff2'); font-weight:500; font-style:normal; font-display:swap; }
@font-face{ font-family:'Season Sans'; src:url('assets/fonts/SeasonSans-SemiBold.woff2') format('woff2'); font-weight:600; font-style:normal; font-display:swap; }
@font-face{ font-family:'Season Sans'; src:url('assets/fonts/SeasonSans-Bold.woff2') format('woff2'); font-weight:700; font-style:normal; font-display:swap; }

@font-face{ font-family:'Season Mix'; src:url('assets/fonts/SeasonMix-Regular.woff2') format('woff2'); font-weight:400; font-style:normal; font-display:swap; }
@font-face{ font-family:'Season Mix'; src:url('assets/fonts/SeasonMix-Medium.woff2') format('woff2'); font-weight:500; font-style:normal; font-display:swap; }
@font-face{ font-family:'Season Mix'; src:url('assets/fonts/SeasonMix-SemiBold.woff2') format('woff2'); font-weight:600; font-style:normal; font-display:swap; }

@font-face{ font-family:'Saans Mono'; src:url('assets/fonts/SaansMono-Regular.woff2') format('woff2'); font-weight:400; font-style:normal; font-display:swap; }

:root{
  color-scheme: light;

  /* Primary palette */
  --velvet:   #261D45;
  --silk:     #A9FDAC;
  --olive:    #001D21;

  /* Secondary / neutral */
  --onyx:     #1C1917;
  --stone:    #B2ADA7;
  --linen:    #F5F2EF;

  /* Derived */
  --velvet-2: #34285e;      /* lighter velvet for bars/gradients */
  --velvet-3: #4a3a86;
  --ink:      #261D45;      /* default text on light */
  --muted:    #5b5470;      /* muted purple-grey text */

  /* Type */
  --font-sans: 'Season Sans', system-ui, -apple-system, sans-serif;
  --font-mix:  'Season Mix', 'Season Sans', system-ui, sans-serif;
  --font-mono: 'Saans Mono', ui-monospace, 'SFMono-Regular', monospace;

  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 18px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-sans);
  background: var(--linen);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }

.wrap{ max-width: var(--maxw); margin-inline:auto; padding-inline: var(--gutter); }
.section{ padding-block: clamp(64px, 9vw, 130px); }

/* eyebrow / mono labels */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin:0 0 18px;
}
.eyebrow--green{ color: var(--silk); }

/* headings */
h1,h2,h3{ font-family: var(--font-mix); font-weight:500; line-height:1.05; letter-spacing:-.01em; margin:0; }
h1{ font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2{ font-size: clamp(2rem, 4.4vw, 3.2rem); }
h3{ font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
p{ margin:0 0 1em; }
.lead{ font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--muted); max-width: 46ch; }

/* buttons */
.btn{
  display:inline-flex; align-items:center; gap:.6em;
  font-family: var(--font-sans); font-weight:600; font-size:1rem;
  padding: 14px 26px; border-radius: 999px; cursor:pointer;
  border:1.5px solid transparent; transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn--primary{ background: var(--silk); color: var(--velvet); }
.btn--primary:hover{ background:#c7ffca; }
.btn--ghost{ background: transparent; color: var(--velvet); border-color: rgba(38,29,69,.25); }
.btn--ghost:hover{ border-color: var(--velvet); }
.btn--on-dark{ border-color: rgba(245,242,239,.3); color: var(--linen); }
.btn--on-dark:hover{ border-color: var(--silk); color: var(--silk); }
.arrow{ font-family: var(--font-mono); }

/* ---- NAV ---- */
.nav{
  position: sticky; top:0; z-index:50;
  background: rgba(245,242,239,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(38,29,69,.08);
}
.nav__inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; padding-block:16px; }
.nav__logo{ height: 64px; width:auto; }
.nav__links{ display:flex; align-items:center; gap:30px; margin-left:auto; }
.nav__links a{ font-size:.98rem; font-weight:500; color:var(--velvet); opacity:.85; white-space:nowrap; }
.nav__links a:hover{ opacity:1; color: var(--velvet); }
.nav__actions{ display:flex; align-items:center; gap:14px; }

/* language switch */
.langswitch{ display:inline-flex; border:1.5px solid rgba(38,29,69,.2); border-radius:999px; overflow:hidden; font-family:var(--font-mono); font-size:12px; }
.langswitch button{ background:none; border:0; padding:7px 12px; cursor:pointer; color:var(--muted); font-family:inherit; letter-spacing:.05em; }
.langswitch button.active{ background: var(--velvet); color: var(--silk); }

.nav__toggle{ display:none; background:none;border:0;cursor:pointer; }
/* CTA shown only inside the mobile dropdown menu */
.menu-cta{ display:none; }

/* ---- HERO ---- */
.hero{
  position:relative; overflow:hidden;
  background: var(--velvet);
  color: var(--linen);
  padding-block: clamp(90px, 13vw, 170px);
}
.hero__bars{ position:absolute; inset:0; display:flex; align-items:flex-end; gap:2.2%; opacity:.5; z-index:0; pointer-events:none; }
.hero__bars span{ flex:1; background: linear-gradient(to top, rgba(169,253,172,0) 0%, var(--velvet-3) 55%, var(--velvet-2) 100%); border-radius: 6px 6px 0 0; }
.hero__inner{ position:relative; z-index:1; max-width: 1180px; }
.hero h1{ margin-bottom:24px; max-width: 15ch; }
.hero .lead{ color: rgba(245,242,239,.82); max-width: 48ch; }
.hero__cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:36px; }
.hero__eyebrow{ color: var(--silk); }

/* ---- transition line ---- */
.bigline{ text-align:center; }
.bigline h2{ max-width: 16ch; margin-inline:auto; }
.bigline .accent{ color: var(--velvet); font-style: italic; }

/* ---- STEPS ---- */
.section-head{ max-width: 34ch; margin-bottom: clamp(40px,6vw,64px); }
.section-head.center{ margin-inline:auto; text-align:center; }
.steps{ display:grid; grid-template-columns: repeat(3,1fr); gap:24px; counter-reset: step; }
.step{
  background: #fff; border:1px solid rgba(38,29,69,.08); border-radius: var(--radius);
  padding: 34px 30px 38px; position:relative; transition: transform .2s ease, box-shadow .2s ease;
}
.step:hover{ transform: translateY(-4px); box-shadow: 0 18px 40px -24px rgba(38,29,69,.4); }
.step__num{ font-family:var(--font-mono); font-size:13px; color: var(--muted); letter-spacing:.1em; }
.step__icon{ width:52px; height:52px; margin:14px 0 20px; }
.step h3{ margin-bottom:12px; }
.step p{ color: var(--muted); font-size:1rem; margin:0; }

/* ---- ARCHITECTURE (dark) ---- */
.arch{ background: var(--olive); color: var(--linen); position:relative; overflow:hidden; }
.arch .eyebrow{ color: var(--silk); }
.arch .lead{ color: rgba(245,242,239,.75); }
.pillars{ display:grid; grid-template-columns: repeat(4,1fr); gap:20px; margin-top: 54px; }
.pillar{ border:1px solid rgba(169,253,172,.18); border-radius: var(--radius); padding: 28px 24px 34px; background: rgba(255,255,255,.02); transition: background .2s ease, border-color .2s ease; }
.pillar:hover{ background: rgba(169,253,172,.06); border-color: rgba(169,253,172,.4); }
.pillar__dot{ width:44px;height:44px;border-radius:12px; background: var(--silk); display:grid;place-items:center; margin-bottom:18px; }
.pillar__dot svg{ width:26px;height:26px; }
.pillar h3{ font-size:1.25rem; margin-bottom:10px; }
.pillar p{ color: rgba(245,242,239,.72); font-size:.98rem; margin:0; }
.arch__cta{ margin-top:48px; }

/* ---- SOC2 band ---- */
.soc{ background: var(--silk); color: var(--velvet); }
.soc__inner{ display:flex; align-items:center; justify-content:center; gap:22px; text-align:center; flex-wrap:wrap; }
.soc h2{ font-size: clamp(1.5rem,3vw,2.3rem); max-width: 22ch; }
.soc__badge{ width:76px;height:76px;border-radius:50%; background: var(--velvet); color:var(--silk); display:grid;place-items:center; font-family:var(--font-mono); font-size:12px; line-height:1.1; text-align:center; font-weight:700; }

/* ---- ANALYTICS ---- */
.analytics__grid{ display:grid; grid-template-columns: 1fr 1fr; gap: clamp(30px,5vw,64px); align-items:center; }
.analytics__panel{ background: var(--velvet); border-radius: var(--radius); padding: 30px; position:relative; overflow:hidden; min-height: 320px; display:flex; align-items:flex-end; }
.analytics__panel .bars{ position:absolute; inset:30px; display:flex; align-items:flex-end; gap:8px; }
.analytics__panel .bars span{ flex:1; background: linear-gradient(to top, rgba(169,253,172,.15), var(--silk)); border-radius:4px 4px 0 0; }

/* ---- ABOUT ---- */
.about__grid{ display:grid; grid-template-columns: 1fr 1fr; gap: clamp(30px,5vw,70px); }
.mission-list{ list-style:none; padding:0; margin: 8px 0 0; }
.mission-list li{ padding: 16px 0; border-bottom:1px solid rgba(38,29,69,.1); display:flex; gap:14px; align-items:flex-start; color: var(--muted); }
.mission-list li::before{ content:"✕"; color: var(--velvet); font-family: var(--font-mono); margin-top:2px; }

/* ---- TEAM ---- */
.team{ display:grid; grid-template-columns: repeat(4,1fr); gap:24px; margin-top:48px; }
.member{ text-align:center; }
.member__photo{ aspect-ratio:1; border-radius: var(--radius); background: var(--velvet); display:grid; place-items:center; margin-bottom:16px; overflow:hidden; }
.member__photo svg{ width:46%; }
.member__photo img{ width:100%; height:100%; object-fit:cover; display:block; }
.member__name{ font-family:var(--font-mix); font-size:1.15rem; }
.member__role{ font-family:var(--font-mono); font-size:12px; letter-spacing:.06em; color: var(--muted); text-transform:uppercase; margin-top:4px; }

/* ---- FINAL CTA ---- */
.finalcta{ background: var(--velvet); color: var(--linen); text-align:center; position:relative; overflow:hidden; }
.finalcta__bars{ position:absolute; inset:0; display:flex; align-items:flex-end; gap:2.2%; opacity:.4; }
.finalcta__bars span{ flex:1; background: linear-gradient(to top, rgba(169,253,172,0), var(--velvet-3)); border-radius:6px 6px 0 0; }
.finalcta__inner{ position:relative; z-index:1; }
.finalcta h2{ max-width: 20ch; margin: 0 auto 30px; }
.finalcta .btn-row{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---- FOOTER ---- */
.footer{ background: var(--olive); color: rgba(245,242,239,.75); padding-block: 60px 40px; }
.footer__top{ display:flex; justify-content:space-between; gap:30px; flex-wrap:wrap; align-items:flex-start; }
.footer__logo{ height:28px; margin-bottom:16px; }
.footer__cols{ display:flex; gap:60px; flex-wrap:wrap; }
.footer__col h4{ font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color: var(--silk); margin:0 0 14px; font-weight:400; }
.footer__col a{ display:block; margin-bottom:10px; color: rgba(245,242,239,.75); font-size:.95rem; }
.footer__col a:hover{ color: var(--silk); }
.footer__bottom{ margin-top:44px; padding-top:22px; border-top:1px solid rgba(255,255,255,.1); display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; font-size:.85rem; font-family:var(--font-mono); }

/* ---- page hero for subpages ---- */
.pagehead{ background: var(--velvet); color: var(--linen); padding-block: clamp(80px,11vw,140px); position:relative; overflow:hidden; }
.pagehead__bars{ position:absolute; inset:0; display:flex; align-items:flex-end; gap:2.2%; opacity:.4; }
.pagehead__bars span{ flex:1; background: linear-gradient(to top, rgba(169,253,172,0), var(--velvet-3)); border-radius:6px 6px 0 0; }
.pagehead__inner{ position:relative; z-index:1; }

/* ---- blog ---- */
.posts{ display:grid; grid-template-columns: repeat(3,1fr); gap:28px; }
.post{ background:#fff; border:1px solid rgba(38,29,69,.08); border-radius: var(--radius); overflow:hidden; transition: transform .2s ease, box-shadow .2s ease; }
.post:hover{ transform: translateY(-4px); box-shadow:0 18px 40px -24px rgba(38,29,69,.4); }
.post__thumb{ aspect-ratio: 16/10; background: var(--velvet); display:flex; align-items:flex-end; gap:5px; padding:20px; overflow:hidden; }
.post__thumb span{ flex:1; background:linear-gradient(to top, rgba(169,253,172,0), var(--silk)); border-radius:3px 3px 0 0; }
.post__body{ padding:24px; }
.post__tag{ font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color: var(--muted); }
.post h3{ font-size:1.25rem; margin:10px 0; }
.post p{ color:var(--muted); font-size:.96rem; margin:0; }

/* ---- legal / prose ---- */
.prose{ max-width: 760px; }
.prose h2{ font-size: clamp(1.4rem,2.6vw,2rem); margin: 44px 0 14px; }
.prose h3{ font-size:1.2rem; margin:28px 0 10px; }
.prose p, .prose li{ color: var(--muted); }
.prose ul{ padding-left:1.2em; }
.prose li{ margin-bottom:8px; }
.prose a{ color: var(--velvet); text-decoration: underline; text-underline-offset:3px; }

/* language visibility */
[data-lang]{ display:none; }
html[lang="en"] [data-lang="en"]{ display:revert; }
html[lang="fr"] [data-lang="fr"]{ display:revert; }
/* inline variants keep inline */
span[data-lang]{ display:none; }
html[lang="en"] span[data-lang="en"]{ display:inline; }
html[lang="fr"] span[data-lang="fr"]{ display:inline; }

/* ---- responsive ---- */
@media (max-width: 960px){
  .steps{ grid-template-columns:1fr; }
  .pillars{ grid-template-columns: repeat(2,1fr); }
  .analytics__grid, .about__grid{ grid-template-columns:1fr; }
  .team{ grid-template-columns: repeat(2,1fr); }
  .posts{ grid-template-columns: 1fr 1fr; }

  /* --- mobile header --- */
  .nav__inner{ padding-block:12px; gap:12px; }
  .nav__logo{ height:42px; }
  .nav__actions{ gap:10px; }
  .nav__actions .btn--primary{ display:none; } /* CTA moves into the menu */
  .langswitch button{ padding:6px 11px; }

  .nav__links{ display:none; }
  .nav__links.open{ display:flex; position:absolute; top:100%; left:0; right:0; flex-direction:column; align-items:stretch; background:var(--linen); padding:20px var(--gutter); gap:16px; border-bottom:1px solid rgba(38,29,69,.1); box-shadow:0 16px 30px rgba(38,29,69,.12); }
  .nav__links.open a{ font-size:1.05rem; }
  .nav__links.open .menu-cta{ display:inline-flex; justify-content:center; margin-top:6px; }
  .nav__toggle{ display:block; }
}
@media (max-width: 560px){
  .pillars{ grid-template-columns:1fr; }
  .team{ grid-template-columns:1fr 1fr; }
  .posts{ grid-template-columns:1fr; }
  .footer__top{ flex-direction:column; }
  .nav__logo{ height:38px; }
  .hero{ padding-block: 72px; }
  .hero__cta{ gap:12px; }
  .hero__cta .btn{ width:100%; justify-content:center; }
}