/* ============================================================
   Richter Tax & Advisory — styles.css
   Brand colors: Navy #0B1320 / Teal #11776E
   ============================================================ */

:root {
  --ink: #0b1320;
  --muted: #556070;
  --navy: #0b1320;
  --navy-light: #162033;
  --teal-900: #0b3b37;
  --teal-800: #0f4c46;
  --teal-700: #11776e;
  --teal-600: #159a8e;
  --teal-500: #1ab5a6;
  --gold-500: #c8922a;
  --sand-100: #f9f3e8;
  --sand-50: #fdf8f1;
  --card: #fffdf9;
  --card-hover: #fff9f0;
  --border: rgba(11, 19, 32, 0.08);
  --shadow-1: 0 4px 16px rgba(11,19,32,.05), 0 1px 3px rgba(11,19,32,.04);
  --shadow-2: 0 10px 28px rgba(11,19,32,.08), 0 2px 6px rgba(11,19,32,.04);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --focus: 2px solid rgba(17,119,110,.4);
  --max: 1100px;
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}

body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--sand-50);
  background-image:
    radial-gradient(ellipse 1100px 500px at 5% -5%,rgba(200,146,42,.14),transparent 55%),
    radial-gradient(ellipse 1100px 600px at 95% -10%,rgba(17,119,110,.10),transparent 55%);
  -webkit-font-smoothing:antialiased;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(100% - 2rem,var(--max));margin-inline:auto}

/* Top accent bar */
body::before{
  content:"";display:block;height:3px;
  background:linear-gradient(90deg,var(--teal-700),var(--teal-500),var(--teal-700));
  position:sticky;top:0;z-index:60;
}

/* ---- Header ---- */
.site-header{
  position:sticky;top:3px;z-index:50;
  background:rgba(253,248,241,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 0}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none}
.brand-logo{width:42px;height:42px;flex:0 0 auto;display:grid;place-items:center}
.brand-logo img{width:100%;height:100%;object-fit:contain}
.brand-text{line-height:1.1}
.brand-text .name{font-weight:800;letter-spacing:.3px;font-size:1.04rem;display:block;color:var(--navy)}
.brand-text .tag{font-size:.82rem;color:var(--teal-700);margin-top:.15rem;display:block;font-weight:500}

.nav-links{display:flex;align-items:center;gap:1rem;font-size:.95rem;color:#334155}
.nav-links a{padding:.35rem .25rem;border-bottom:2px solid transparent;transition:border-color .15s,color .15s}
.nav-links a:hover,.nav-links a.active{border-bottom-color:var(--teal-700);color:var(--teal-800)}
.nav-cta{display:flex;align-items:center;gap:.6rem}
.nav-toggle{display:none;cursor:pointer}

.mobile-nav{display:none;position:fixed;inset:0;z-index:100;background:rgba(11,19,32,.55);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.mobile-nav.open{display:flex}
.mobile-nav-panel{margin-left:auto;width:min(320px,85vw);height:100%;background:var(--sand-50);padding:1.5rem;display:flex;flex-direction:column;gap:.5rem;box-shadow:-8px 0 30px rgba(0,0,0,.15);animation:slideIn .2s ease}
@keyframes slideIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
.mobile-nav-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}
.mobile-nav-close{background:none;border:1px solid var(--border);border-radius:999px;padding:.5rem .85rem;font-weight:700;font-size:.9rem;cursor:pointer}
.mobile-nav-panel a{display:block;padding:.75rem 0;font-size:1.1rem;font-weight:600;border-bottom:1px solid var(--border)}
.mobile-nav-panel a:last-of-type{border-bottom:none}
.mobile-nav-panel .btn{margin-top:1rem;text-align:center}

@media(max-width:860px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex;padding:.6rem .8rem}
}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.1rem;border-radius:999px;font-weight:650;font-size:.95rem;border:1px solid transparent;box-shadow:var(--shadow-1);transition:transform .15s,box-shadow .15s,background .15s;cursor:pointer;white-space:nowrap;text-decoration:none}
.btn:focus{outline:var(--focus)}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary{color:#fff;background:var(--teal-700)}
.btn-primary:hover{background:var(--teal-800)}
.btn-secondary{background:var(--card);border:1px solid var(--border);color:var(--navy);box-shadow:none}
.btn-secondary:hover{background:var(--card-hover)}
.btn-soft{background:rgba(17,119,110,.08);border:1px solid rgba(17,119,110,.18);color:var(--teal-900);box-shadow:none}
.btn-soft:hover{background:rgba(17,119,110,.13)}

/* ---- Typography ---- */
section{padding:clamp(2.2rem,4.5vw,3.2rem) 0}
h1{margin:.7rem 0 .55rem;font-size:clamp(2.05rem,3.9vw,2.95rem);letter-spacing:-.015em;line-height:1.08;color:var(--navy)}
h2{margin:0 0 .45rem;font-size:clamp(1.45rem,2.6vw,1.95rem);letter-spacing:-.01em;color:var(--navy)}
h3{margin:.1rem 0 .35rem;font-size:1.12rem;color:var(--navy)}
.sub{margin:0;color:var(--muted);max-width:85ch;line-height:1.58}
.kicker{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem .65rem;border-radius:999px;font-size:.78rem;font-weight:650;color:var(--teal-800);background:rgba(17,119,110,.08);border:1px solid rgba(17,119,110,.16)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--teal-700);box-shadow:0 0 0 2px rgba(17,119,110,.18)}

/* ---- Hero ---- */
.hero{display:grid;grid-template-columns:1.08fr .92fr;gap:1.2rem;align-items:center;padding-top:1.7rem}
@media(max-width:980px){.hero{grid-template-columns:1fr}}
.hero-art{border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow-1);overflow:hidden;padding:.7rem}
.hero-art .frame{aspect-ratio:16/10;width:100%;border-radius:var(--radius-md);overflow:hidden;background:linear-gradient(135deg,rgba(17,119,110,.05),rgba(200,146,42,.05));display:grid;place-items:center}
.hero-art img{width:100%;height:100%;object-fit:cover;object-position:center}
.cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.1rem}
.mini{margin-top:.9rem;color:#334155;font-size:.92rem}
.mini strong{color:var(--navy)}

/* ---- Cards ---- */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:1.1rem;transition:box-shadow .15s}
.card:hover{box-shadow:var(--shadow-2)}
.card p{margin:0;color:var(--muted);line-height:1.58}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.2rem}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.2rem}
@media(max-width:980px){.grid2,.grid3{grid-template-columns:1fr}}

/* ---- Accordion ---- */
details{border:1px solid var(--border);border-left:3px solid var(--teal-700);border-radius:var(--radius-lg);background:var(--card);box-shadow:var(--shadow-1);padding:.95rem 1rem;transition:box-shadow .15s}
details[open]{box-shadow:var(--shadow-2)}
summary{cursor:pointer;font-weight:750;display:flex;align-items:center;justify-content:space-between;gap:.8rem;color:var(--navy)}
summary:focus{outline:var(--focus)}
details p{margin:.6rem 0 0;color:var(--muted);line-height:1.6}

/* ---- Profile / Team ---- */
.profile{display:grid;grid-template-columns:1fr 1.15fr;gap:1.4rem;align-items:start;margin-top:1.2rem}
@media(max-width:980px){.profile{grid-template-columns:1fr}}
.photo{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-1);background:var(--card)}
.photo img{width:100%;height:520px;object-fit:cover;object-position:center top}
@media(max-width:980px){.photo img{height:420px}}
.links{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1rem}
.small-link{display:inline-flex;align-items:center;gap:.45rem;padding:.65rem .9rem;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--navy);transition:transform .12s,box-shadow .12s,background .12s}
.small-link:hover{transform:translateY(-1px);box-shadow:var(--shadow-1);background:var(--card-hover)}
.small-link:focus{outline:var(--focus)}
.list{margin:.8rem 0 0;padding-left:1.1rem;color:var(--muted);line-height:1.6}
.list li{margin:.35rem 0}

/* ---- Image Grid ---- */
.img-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.2rem}
@media(max-width:980px){.img-grid{grid-template-columns:1fr}}
.img-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden;cursor:pointer;transition:transform .12s,box-shadow .12s}
.img-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.img-wrap{aspect-ratio:16/10;background:linear-gradient(135deg,rgba(17,119,110,.04),rgba(200,146,42,.04));padding:.75rem;display:grid;place-items:center}
.img-wrap img{width:100%;height:100%;object-fit:contain;object-position:center;border-radius:var(--radius-md);background:var(--card)}
.img-card .cap{padding:.9rem 1rem}
.img-card .cap strong{display:block;margin-bottom:.25rem;color:var(--navy)}
.img-card .cap span{color:var(--muted);font-size:.95rem;line-height:1.45}

/* ---- Form ---- */
.alert{border:1px solid rgba(200,146,42,.25);background:rgba(200,146,42,.06);border-radius:var(--radius-md);padding:.9rem 1rem;color:#334155;margin-top:1rem;line-height:1.55}
form{margin-top:1rem;display:grid;gap:.8rem}
label{font-weight:650;font-size:.92rem;color:var(--navy)}
input,textarea,select{width:100%;padding:.75rem .85rem;border-radius:var(--radius-md);border:1px solid var(--border);font:inherit;background:#fff;transition:border-color .15s}
input:focus,textarea:focus,select:focus{outline:var(--focus);border-color:var(--teal-700)}
textarea{min-height:110px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
@media(max-width:720px){.form-row{grid-template-columns:1fr}}
.helper{font-size:.88rem;color:#6b7280;line-height:1.5}

/* ---- Modal ---- */
.modal{position:fixed;inset:0;z-index:999;background:rgba(11,19,32,.72);display:none;padding:1.2rem}
.modal.open{display:grid;place-items:center}
.modal-inner{width:min(1100px,100%);background:var(--card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:0 18px 50px rgba(0,0,0,.35)}
.modal-top{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1rem;border-bottom:1px solid var(--border);background:var(--sand-50)}
.modal-top strong{font-size:.98rem;color:var(--navy)}
.modal-close{border:1px solid var(--border);background:#fff;border-radius:999px;padding:.55rem .8rem;cursor:pointer;font-weight:700}
.modal-close:focus{outline:var(--focus)}
.modal-body{background:#fff;padding:1rem;display:grid;place-items:center}
.modal-body img{width:100%;height:auto;max-height:78vh;object-fit:contain;border-radius:var(--radius-md)}

/* ---- Footer (Dark Navy) ---- */
footer{padding:2.8rem 0 2.4rem;background:var(--navy);color:#c8cdd5}
footer .brand-text .name{color:#fff}
footer .brand-text .tag{color:rgba(255,255,255,.55)}
footer .brand-logo{filter:brightness(0) invert(1)}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:1.2rem}
@media(max-width:980px){.footer-grid{grid-template-columns:1fr}}
.footer-col h4{margin:0 0 .6rem;font-size:1.02rem;color:#fff}
.footer-col p,.footer-col a{color:rgba(255,255,255,.6);font-size:.95rem;line-height:1.55}
.footer-links{display:grid;gap:.35rem}
.footer-links a{transition:color .15s}
.footer-links a:hover{color:var(--teal-500)}
.fine-print{margin-top:1.6rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.1);font-size:.82rem;color:rgba(255,255,255,.4);line-height:1.5}