/* FYRVEK — main.css — built from Chapter 05 Design System */

/* ---------- Fonts ---------- */
@font-face{font-family:'Space Grotesk';src:url('../fonts/space-grotesk-latin-700-normal.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:'Space Grotesk';src:url('../fonts/space-grotesk-latin-500-normal.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'Inter';src:url('../fonts/inter-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Inter';src:url('../fonts/inter-latin-500-normal.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'Inter';src:url('../fonts/inter-latin-600-normal.woff2') format('woff2');font-weight:600;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --midnight:#0F172A;
  --midnight-90:#1E293B;
  --offwhite:#F8FAFC;
  --blue:#2563EB;
  --blue-soft:#DBEAFE;
  --neutral:#64748B;
  --line:#E2E8F0;
  --success:#22C55E;
  --radius:12px;
  --container:1120px;
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
body{font-family:var(--font-body);font-size:17px;line-height:1.65;color:var(--midnight-90);background:var(--offwhite);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}

h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.15;color:var(--midnight);letter-spacing:-0.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.3rem)}
h2{font-size:clamp(1.6rem,3vw,2.2rem)}
h3{font-size:1.15rem}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
section{padding:88px 0}
@media(max-width:720px){section{padding:60px 0}}

.eyebrow{font-family:var(--font-display);font-weight:500;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.section-head{max-width:720px;margin-bottom:44px}
.section-head p{margin-top:14px;color:var(--neutral);font-size:1.05rem}
.lead{font-size:1.12rem;color:var(--neutral)}

/* ---------- Buttons ---------- */
.btn{display:inline-block;font-family:var(--font-body);font-weight:600;font-size:1rem;padding:16px 28px;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:background .18s,color .18s,border-color .18s;text-decoration:none}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--midnight);color:#fff}
.btn-primary:hover{background:#233250}
.btn-outline{border-color:var(--midnight);color:var(--midnight);background:transparent}
.btn-outline:hover{background:var(--midnight);color:#fff}
.btn-inverse{background:#fff;color:var(--midnight)}
.btn-inverse:hover{background:var(--blue-soft)}
.btn-group{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.microcopy{margin-top:14px;font-size:.9rem;color:var(--neutral)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:transparent;transition:background .2s,box-shadow .2s}
.site-header.scrolled{background:rgba(248,250,252,.94);backdrop-filter:blur(8px);box-shadow:0 1px 0 var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:11px;color:var(--midnight);text-decoration:none}
.brand:hover{text-decoration:none}
.brand svg{width:26px;height:26px;color:var(--midnight)}
.brand span{font-family:var(--font-display);font-weight:700;font-size:1.12rem;letter-spacing:.24em}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none}
.nav-links a{color:var(--midnight-90);font-weight:500;font-size:.97rem}
.nav-links a:hover{color:var(--blue);text-decoration:none}
.nav-links .btn{padding:11px 20px;font-size:.94rem}
.nav-links a.btn-primary{color:#fff}
.nav-links a.btn-primary:hover{color:#fff;background:#233250}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:8px}
.menu-btn svg{width:26px;height:26px;color:var(--midnight)}
@media(max-width:860px){
  .nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:var(--offwhite);flex-direction:column;align-items:stretch;padding:18px 24px 26px;gap:16px;box-shadow:0 12px 24px rgba(15,23,42,.08)}
  .nav-links.open{display:flex}
  .nav-links .btn{text-align:center;width:100%}
  .menu-btn{display:block}
}

/* ---------- Hero ---------- */
.hero{padding:96px 0 100px;position:relative;overflow:hidden}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{margin:0 0 20px}
.hero .lead{margin-bottom:30px}
@media(max-width:920px){.hero .container{grid-template-columns:1fr;gap:48px}.hero{padding:64px 0}}

/* Journey visual — conceptual, no fake data (Ch.04 rule) */
.journey-visual{display:grid;gap:14px;position:relative;padding-left:26px}
.journey-visual::before{content:'';position:absolute;left:9px;top:26px;bottom:26px;width:2px;background:linear-gradient(var(--blue),var(--line))}
.jcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;display:flex;align-items:center;gap:14px;position:relative;box-shadow:0 6px 18px rgba(15,23,42,.05)}
.jcard::before{content:'';position:absolute;left:-22px;top:50%;width:10px;height:10px;border-radius:50%;background:var(--blue);transform:translateY(-50%)}
.jcard svg{width:22px;height:22px;color:var(--blue);flex:none}
.jcard b{font-family:var(--font-display);font-weight:500;color:var(--midnight);display:block;font-size:.98rem}
.jcard small{color:var(--neutral);font-size:.84rem}
.jcard:nth-child(2){transform:translateX(18px)}
.jcard:nth-child(3){transform:translateX(36px)}
.jcard:nth-child(4){transform:translateX(54px)}
@media(max-width:920px){.jcard:nth-child(n){transform:none}}

/* ---------- Cards / grids ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:920px){.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.grid-2,.grid-4{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;overflow:hidden}
.card svg{width:24px;height:24px;color:var(--blue);margin-bottom:14px}
.card h3{margin-bottom:8px}
.card p{color:var(--neutral);font-size:.95rem}
.card .card-link{display:inline-block;margin-top:14px;font-weight:600;font-size:.92rem}
/* Signature: the FV diagonal as a clipped corner accent */
.card.accent::after{content:'';position:absolute;top:0;right:0;width:34px;height:34px;background:var(--blue);clip-path:polygon(100% 0,0 0,100% 100%);opacity:.12}
.card:hover{border-color:#CBD5E1}

/* ---------- Dark sections ---------- */
.dark{background:var(--midnight);color:#CBD5E1}
.dark h2,.dark h3{color:#fff}
.dark .eyebrow{color:#93C5FD}
.dark .card{background:#16213A;border-color:#25324D}
.dark .card p{color:#94A3B8}
.dark .section-head p{color:#94A3B8}

/* ---------- Journey flow (home section 5) ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step;position:relative;margin-top:10px}
.flow::before{content:'';position:absolute;top:27px;left:12%;right:12%;height:2px;background:#25324D}
.step{padding:0 18px;text-align:left;position:relative}
.step .dot{width:54px;height:54px;border-radius:50%;background:#16213A;border:2px solid var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:18px;position:relative;z-index:1}
.step .dot svg{width:22px;height:22px;color:#93C5FD}
.step h3{font-size:1.02rem;margin-bottom:6px}
.step p{font-size:.9rem;color:#94A3B8}
@media(max-width:860px){.flow{grid-template-columns:1fr;gap:26px}.flow::before{display:none}}
.flow-close{margin-top:40px;font-family:var(--font-display);font-weight:500;font-size:1.15rem;color:#fff;max-width:640px}

/* ---------- Process steps ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:860px){.process{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.process{grid-template-columns:1fr}}
.pstep{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.pstep .num{font-family:var(--font-display);font-weight:700;color:var(--blue);font-size:.9rem;letter-spacing:.1em;margin-bottom:10px}
.pstep h3{font-size:1.05rem;margin-bottom:8px}
.pstep p{color:var(--neutral);font-size:.93rem}

/* ---------- Work cards ---------- */
.work-label{display:inline-block;font-family:var(--font-display);font-weight:500;font-size:.68rem;letter-spacing:.12em;color:var(--blue);background:var(--blue-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px}

/* ---------- Expect / avoid ---------- */
.expect{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:720px){.expect{grid-template-columns:1fr}}
.expect .card ul{list-style:none;margin-top:6px}
.expect .card li{padding:9px 0 9px 30px;position:relative;font-size:.95rem;color:var(--midnight-90);border-top:1px solid var(--line)}
.expect .card li:first-child{border-top:0}
.expect .card li::before{content:'';position:absolute;left:2px;top:14px;width:16px;height:16px;background-repeat:no-repeat}
.expect .yes li::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322C55E' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E")}
.expect .no li::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E")}

/* ---------- Ladder ---------- */
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:820px){.ladder{grid-template-columns:1fr}}
.ladder .card b{font-family:var(--font-display);color:var(--blue);font-size:.8rem;letter-spacing:.12em;display:block;margin-bottom:8px}

/* ---------- Offer spec ---------- */
.spec{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.spec .row{display:grid;grid-template-columns:220px 1fr;border-top:1px solid var(--line)}
.spec .row:first-child{border-top:0}
.spec .k{background:var(--offwhite);padding:16px 20px;font-weight:600;color:var(--midnight);font-size:.94rem}
.spec .v{padding:16px 20px;font-size:.97rem}
@media(max-width:640px){.spec .row{grid-template-columns:1fr}.spec .k{padding-bottom:4px}}
.price{font-family:var(--font-display);font-weight:700;font-size:2rem;color:var(--midnight)}
.price small{font-family:var(--font-body);font-weight:400;font-size:.95rem;color:var(--neutral);margin-left:8px}

/* ---------- FAQ ---------- */
.faq{max-width:780px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;color:var(--midnight);display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-family:var(--font-display);font-size:1.3rem;color:var(--blue);flex:none;transition:transform .18s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 22px 20px;color:var(--neutral);font-size:.97rem}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
@media(max-width:860px){.form-grid{grid-template-columns:1fr}}
form .field{margin-bottom:18px}
label{display:block;font-weight:600;font-size:.92rem;color:var(--midnight);margin-bottom:7px}
input,select,textarea{width:100%;font-family:var(--font-body);font-size:1rem;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--midnight-90)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
textarea{min-height:120px;resize:vertical}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-note{font-size:.88rem;color:var(--neutral);margin-top:10px}
.form-status{display:none;margin-top:16px;padding:14px 18px;border-radius:10px;font-weight:500}
.form-status.ok{display:block;background:#DCFCE7;color:#166534}
.form-status.err{display:block;background:#FEE2E2;color:#991B1B}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.aside-card h3{margin-bottom:10px}
.aside-card p{color:var(--neutral);font-size:.94rem;margin-bottom:14px}

/* ---------- CTA band ---------- */
.cta-band{position:relative}
.cta-band .container{position:relative}
.cta-band h2{max-width:640px;margin-bottom:26px}
/* Signature diagonal divider echoing the FV mark */
.diag-top{clip-path:polygon(0 0,100% 48px,100% 100%,0 100%);margin-top:-48px;padding-top:130px}
@media(max-width:720px){.diag-top{clip-path:polygon(0 0,100% 28px,100% 100%,0 100%);margin-top:-28px;padding-top:96px}}

/* ---------- Founder ---------- */
.founder{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
@media(max-width:820px){.founder{grid-template-columns:1fr}}
.founder-mark{background:var(--midnight);border-radius:var(--radius);aspect-ratio:4/5;display:flex;align-items:center;justify-content:center}
.founder-mark svg{width:38%;color:#fff}
.founder p{margin-bottom:16px}

/* ---------- Footer ---------- */
.site-footer{background:var(--midnight);color:#94A3B8;padding:56px 0 40px;font-size:.94rem}
.site-footer .cols{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:flex-start}
.site-footer .brand{color:#fff}
.site-footer .brand svg{color:#fff}
.site-footer a{color:#CBD5E1}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;display:flex;gap:26px;flex-wrap:wrap}
.site-footer .legal{margin-top:34px;padding-top:22px;border-top:1px solid #1E293B;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.86rem}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{padding:76px 0 56px}
.page-hero h1{max-width:760px}
.page-hero .lead{max-width:680px;margin-top:18px}
.breadcrumb{font-size:.88rem;color:var(--neutral);margin-bottom:18px}
.breadcrumb a{color:var(--neutral)}