/* ==========================================================================
   RAST CONSULTANTS — Shared Design System
   Burgundy + Champagne Gold · Space Grotesk · warm ivory
   ========================================================================== */
:root {
  --bg-primary:#FDFCFA; --bg-secondary:#F8F6F3; --bg-tertiary:#F0EDE8; --bg-dark:#1A1614; --bg-card:#FFFFFF;
  --wine:#8B2942; --wine-light:#A33D56; --wine-dark:#6B1F33;
  --gold:#C9A76C; --gold-light:#D4BC8E; --gold-dark:#B8955A; --copper:#B87333; --rose:#E8C4C4;
  --text-primary:#1A1614; --text-secondary:#4A4543; --text-tertiary:#7A7775; --text-muted:#A5A3A1; --text-light:#FDFCFA;
  --border:rgba(26,22,20,.08); --border-strong:rgba(26,22,20,.15);
  --shadow-sm:0 2px 8px rgba(26,22,20,.04); --shadow-md:0 8px 30px rgba(26,22,20,.08);
  --shadow-lg:0 20px 60px rgba(26,22,20,.12); --shadow-xl:0 40px 100px rgba(26,22,20,.16);
  --shadow-wine:0 20px 60px rgba(139,41,66,.2); --shadow-gold:0 20px 60px rgba(201,167,108,.25);
  --gradient-wine:linear-gradient(135deg,#8B2942 0%,#6B1F33 100%);
  --gradient-gold:linear-gradient(135deg,#D4BC8E 0%,#C9A76C 50%,#B8955A 100%);
  --gradient-warm:linear-gradient(180deg,#FDFCFA 0%,#F8F6F3 100%);
  --gradient-hero:radial-gradient(ellipse at 30% 0%,rgba(139,41,66,.03) 0%,transparent 50%),radial-gradient(ellipse at 70% 100%,rgba(201,167,108,.05) 0%,transparent 50%);
  --gradient-text:linear-gradient(135deg,#8B2942 0%,#C9A76C 100%);
  --ease-out-expo:cubic-bezier(.16,1,.3,1); --ease-out-quart:cubic-bezier(.25,1,.5,1);
  --ease-in-out-circ:cubic-bezier(.85,0,.15,1); --ease-elastic:cubic-bezier(.68,-.55,.265,1.55);
  --section-padding:clamp(80px,12vw,180px); --container-width:1440px;
  --ok:#2F6B4F; --danger:#B3261E; --radius:16px; --radius-lg:24px; --radius-pill:999px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Space Grotesk',-apple-system,sans-serif;font-size:16px;line-height:1.6;color:var(--text-primary);
  background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{font-weight:600;line-height:1.1;letter-spacing:-.03em}
::selection{background:var(--wine);color:var(--text-light)}
:focus-visible{outline:2px solid var(--wine);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container-width);margin:0 auto;padding:0 clamp(20px,4vw,56px)}
.section{padding:var(--section-padding) 0}
.section-sm{padding:clamp(56px,8vw,112px) 0}
.grad-text{background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--wine)}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold)}
.eyebrow.light{color:var(--gold-light)}
.section-head{max-width:720px;margin-bottom:clamp(40px,6vw,80px)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section-head h2{font-size:clamp(2rem,4.2vw,3.5rem);margin:16px 0}
.section-head p{color:var(--text-secondary);font-size:1.1rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:var(--radius-pill);
  border:1px solid var(--border-strong);background:transparent;font-weight:600;font-size:.95rem;cursor:pointer;
  transition:transform .4s var(--ease-out-expo),box-shadow .4s var(--ease-out-expo),background .3s,color .3s,border-color .3s}
.btn:hover{transform:translateY(-2px);border-color:var(--wine);color:var(--wine)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn-primary{background:var(--gradient-wine);color:var(--text-light);border-color:transparent;box-shadow:0 10px 30px rgba(139,41,66,.25)}
.btn-primary:hover:not(:disabled){color:var(--text-light);border-color:transparent;box-shadow:var(--shadow-wine)}
.btn-gold{background:var(--gradient-gold);color:var(--bg-dark);border-color:transparent}
.btn-gold:hover{color:var(--bg-dark);box-shadow:var(--shadow-gold);border-color:transparent}
.btn-light{border-color:rgba(253,252,250,.3);color:var(--text-light)}
.btn-light:hover{background:var(--text-light);color:var(--bg-dark);border-color:var(--text-light)}
.btn-lg{padding:17px 34px;font-size:1rem}
.btn svg{width:16px;height:16px;transition:transform .4s var(--ease-out-expo)}
.btn:hover svg{transform:translateX(3px)}

/* Navigation */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;padding:18px 0;transition:background .4s,box-shadow .4s,padding .4s var(--ease-out-expo)}
.nav.scrolled{background:rgba(253,252,250,.86);backdrop-filter:saturate(1.4) blur(18px);-webkit-backdrop-filter:saturate(1.4) blur(18px);
  box-shadow:0 1px 0 var(--border);padding:12px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--gradient-wine);display:grid;place-items:center;
  color:var(--gold-light);font-weight:700;font-size:1.25rem;letter-spacing:-.04em;box-shadow:0 8px 20px rgba(139,41,66,.25);
  border:1px solid rgba(201,167,108,.4)}
.brand-name{font-weight:700;font-size:1.02rem;letter-spacing:.14em;line-height:1}
.brand-name small{display:block;font-weight:500;font-size:.6rem;letter-spacing:.32em;color:var(--gold-dark);margin-top:5px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:9px 16px;border-radius:var(--radius-pill);font-size:.92rem;font-weight:500;color:var(--text-secondary);transition:color .3s,background .3s}
.nav-links a:hover,.nav-links a.active{color:var(--wine);background:rgba(139,41,66,.06)}
.nav-links a.nav-cta,.nav-links a.nav-cta:hover{color:var(--text-light);background:var(--gradient-wine);padding:11px 22px}
.nav-links a.nav-cta:hover{box-shadow:var(--shadow-wine)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border-strong);background:var(--bg-card);cursor:pointer;place-items:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:18px;height:1.5px;background:var(--text-primary);position:relative;transition:transform .35s var(--ease-out-expo),background .2s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.nav.open .nav-toggle span{background:transparent}
.nav.open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
.nav.open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}
@media(max-width:820px){
  .nav-toggle{display:grid}
  .nav-links{position:fixed;inset:68px 16px auto 16px;flex-direction:column;align-items:stretch;gap:2px;padding:12px;background:var(--bg-card);
    border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .3s,transform .4s var(--ease-out-expo),visibility .3s}
  .nav.open .nav-links{opacity:1;visibility:visible;transform:none}
  .nav-links a{padding:14px 16px}.nav-cta{margin:6px 0 0}
}

/* Nav over a dark hero (before scrolling) */
.nav.on-dark:not(.scrolled) .brand-name{color:var(--text-light)}
.nav.on-dark:not(.scrolled) .nav-links a:not(.nav-cta){color:rgba(253,252,250,.75)}
.nav.on-dark:not(.scrolled) .nav-links a:not(.nav-cta):hover,.nav.on-dark:not(.scrolled) .nav-links a.active:not(.nav-cta){color:var(--gold-light);background:rgba(253,252,250,.08)}
.nav.on-dark:not(.scrolled) .nav-toggle{background:rgba(253,252,250,.08);border-color:rgba(253,252,250,.25)}
.nav.on-dark:not(.scrolled) .nav-toggle span,.nav.on-dark:not(.scrolled) .nav-toggle span::before,.nav.on-dark:not(.scrolled) .nav-toggle span::after{background:var(--text-light)}
.nav.on-dark.open .nav-toggle span{background:transparent!important}
@media(max-width:820px){.nav.on-dark:not(.scrolled) .nav-links a:not(.nav-cta){color:var(--text-secondary)}.nav.on-dark:not(.scrolled) .nav-links a.active:not(.nav-cta){color:var(--wine)}}

/* Cards / chips */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:clamp(24px,3vw,40px);
  box-shadow:var(--shadow-sm);transition:transform .6s var(--ease-out-expo),box-shadow .6s var(--ease-out-expo),border-color .4s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(201,167,108,.5)}
.icon-tile{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:rgba(139,41,66,.07);color:var(--wine);margin-bottom:22px;
  transition:background .4s,color .4s}
.card:hover .icon-tile{background:var(--gradient-wine);color:var(--gold-light)}
.icon-tile svg{width:24px;height:24px}
.chip{display:inline-flex;align-items:center;padding:6px 12px;border-radius:var(--radius-pill);font-size:.76rem;font-weight:600;
  background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border)}
.chip.wine{background:rgba(139,41,66,.07);color:var(--wine);border-color:rgba(139,41,66,.15)}
.chip.gold{background:rgba(201,167,108,.15);color:var(--gold-dark);border-color:rgba(201,167,108,.35)}

/* Forms */
.form-group{margin-bottom:18px}
.form-group>label{display:block;font-size:.8rem;font-weight:600;margin-bottom:8px;color:var(--text-primary)}
.form-group input[type=text],.form-group input[type=tel],.form-group input[type=email],.form-group select,.input{
  width:100%;padding:14px 16px;border-radius:14px;border:1.5px solid var(--border-strong);background:var(--bg-primary);outline:none;
  transition:border-color .3s,box-shadow .3s,background .3s}
.form-group input:hover,.form-group select:hover,.input:hover{border-color:var(--text-muted)}
.form-group input:focus,.form-group select:focus,.input:focus{border-color:var(--wine);background:#fff;box-shadow:0 0 0 4px rgba(139,41,66,.1)}
.radio-group,.checkbox-group{display:flex;flex-wrap:wrap;gap:8px}
.radio-group label,.checkbox-group label{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1.5px solid var(--border-strong);
  border-radius:var(--radius-pill);font-size:.88rem;font-weight:500;cursor:pointer;transition:border-color .3s,background .3s,color .3s}
.radio-group label:hover,.checkbox-group label:hover{border-color:var(--wine)}
.radio-group label:has(input:checked),.checkbox-group label:has(input:checked){border-color:var(--wine);background:rgba(139,41,66,.07);color:var(--wine)}
.radio-group input,.checkbox-group input{accent-color:var(--wine)}
.form-msg{margin-top:14px;font-size:.88rem;font-weight:500;min-height:1.3em}
.form-msg.success{color:var(--ok)}.form-msg.error{color:var(--danger)}

/* Modal */
.modal-overlay{position:fixed;inset:0;z-index:200;background:rgba(26,22,20,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{position:relative;width:100%;max-width:560px;max-height:90vh;overflow:auto;background:var(--bg-card);border-radius:var(--radius-lg);
  padding:clamp(24px,4vw,40px);box-shadow:var(--shadow-xl);transform:translateY(24px) scale(.98);transition:transform .5s var(--ease-out-expo)}
.modal-overlay.open .modal{transform:none}
.modal h2{font-size:1.5rem;margin-bottom:6px;padding-right:44px}
.modal .sub{color:var(--text-tertiary);font-size:.92rem;margin-bottom:26px}
.modal-close{position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:var(--bg-secondary);
  font-size:1.3rem;line-height:1;cursor:pointer;transition:background .3s,color .3s,transform .4s var(--ease-out-expo)}
.modal-close:hover{background:var(--wine);color:#fff;transform:rotate(90deg)}
.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px;flex-wrap:wrap}

/* Footer */
.footer{background:var(--bg-dark);color:var(--text-light);padding:clamp(56px,8vw,96px) 0 32px;position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 80% 0%,rgba(139,41,66,.28),transparent 55%),radial-gradient(ellipse at 10% 100%,rgba(201,167,108,.1),transparent 50%);pointer-events:none}
.footer .container{position:relative}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(253,252,250,.1)}
.footer p{color:rgba(253,252,250,.6);font-size:.94rem;max-width:380px;margin-top:18px}
.footer h4{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-light);margin-bottom:18px;font-weight:600}
.footer li{list-style:none;margin-bottom:10px}
.footer li a{color:rgba(253,252,250,.7);font-size:.94rem;transition:color .3s}
.footer li a:hover{color:var(--gold-light)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:28px;font-size:.82rem;color:rgba(253,252,250,.45)}
@media(max-width:820px){.footer-top{grid-template-columns:1fr;gap:36px}}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease-out-expo),transform .9s var(--ease-out-expo);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}