/* ============================================================
   Quran Study — shared stylesheet
   Default theme: near-black midnight blue + warm gold
   Toggle theme:  parchment cream + deep teal (original palette)
   ============================================================ */

:root{
  /* ---- dark (default) theme ---- */
  --bg:#050912;
  --bg-alt:#080E1A;
  --card:#0F1729;
  --card-alt:#0B1220;
  --ink:#E9ECF5;
  --heading:#F1DFAF;
  --muted:#93A0BE;
  --line:#212C48;
  --gold:#D8A94B;
  --gold-light:#F0CE8B;
  --teal:#2FAE9E;
  --teal-light:#48C8B7;
  --teal-dark:#0A2A26;
  --sage:#7FBFA0;
  --danger:#E2796A;
  --danger-bg:#2A1613;
  --ok-bg:#122B1D;
  --ok-ink:#8FD6A6;
  --ok-line:#215B3B;
  --err-bg:#2E1712;
  --err-line:#5A2A22;
  --on-teal:#08150F;
  --max-w:1080px;
  color-scheme: dark;
}

:root[data-theme="light"]{
  --bg:#F6F1E4;
  --bg-alt:#FBF8F0;
  --card:#FBF8F0;
  --card-alt:#FFFFFF;
  --ink:#1E2B27;
  --heading:#0E3B36;
  --muted:#7A7364;
  --line:#DED5BE;
  --gold:#B8862E;
  --gold-light:#8A611F;
  --teal:#0E3B36;
  --teal-light:#155048;
  --teal-dark:#0A2A26;
  --sage:#4C6E58;
  --danger:#B24A3D;
  --danger-bg:#F8E7E4;
  --ok-bg:#E6F0E2;
  --ok-ink:#2F5C29;
  --ok-line:#BFDCB6;
  --err-bg:#F8E7E4;
  --err-line:#EBC3BC;
  --on-teal:#FBF8F0;
  color-scheme: light;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Work Sans',sans-serif;
  line-height:1.6;
  transition:background .25s ease,color .25s ease;
}
img{max-width:100%;display:block;}
a{color:inherit;}

.container{max-width:var(--max-w);margin:0 auto;padding:0 20px;}

/* ---------- header / nav ---------- */
.site-header{
  border-bottom:1px solid var(--line);
  background:var(--bg-alt);
  position:sticky;top:0;z-index:50;
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;padding-bottom:14px;
}

.brand{
  font-family:'Amiri',serif;font-weight:700;font-size:21px;
  letter-spacing:.01em;
  text-decoration:none;display:flex;align-items:center;gap:10px;
  color:var(--gold-light);
}
.brand .brand-text{
  background:linear-gradient(120deg,var(--gold-light),var(--gold) 60%,var(--teal-light));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-style:italic;
}
.brand .mark{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  background:radial-gradient(circle at 32% 28%,var(--gold-light),var(--gold) 55%,var(--teal-dark) 145%);
  border:2px solid var(--gold-light);
  color:#0A0F1C;
  display:flex;align-items:center;justify-content:center;
  font-family:'Amiri',serif;font-style:italic;font-weight:700;font-size:14px;
  letter-spacing:-1px;
}
:root[data-theme="light"] .brand .mark{color:#FBF8F0;}

nav.main-nav{display:flex;gap:26px;}
nav.main-nav a{
  text-decoration:none;font-weight:500;font-size:14px;color:var(--muted);
  padding:6px 2px;border-bottom:2px solid transparent;transition:color .15s ease,border-color .15s ease;
}
nav.main-nav a:hover,nav.main-nav a.active{color:var(--heading);border-bottom-color:var(--gold);}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:6px;padding:6px 10px;font-size:20px;cursor:pointer;color:var(--heading);}

@media (max-width:680px){
  nav.main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-alt);
    flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:8px 20px 16px;
  }
  nav.main-nav.open{display:flex;}
  nav.main-nav a{padding:10px 0;border-bottom:1px solid var(--line);}
  .nav-toggle{display:block;}
}

/* ---------- section anchor offset (so sticky header never covers a heading on scroll) ---------- */
#home,#teachers,#contact{scroll-margin-top:76px;}

/* ---------- eyebrow / headings ---------- */
.eyebrow{
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--sage);font-weight:600;margin:0 0 8px;
}
h1,h2,h3{font-family:'Amiri',serif;color:var(--heading);margin:0 0 12px;}
h1{font-size:36px;font-weight:700;line-height:1.2;}
h2{font-size:26px;font-weight:700;}
h3{font-size:19px;font-weight:700;}
p{margin:0 0 14px;}
.lede{font-size:17px;color:var(--muted);max-width:60ch;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:8px;font-weight:600;font-size:15px;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  font-family:'Work Sans',sans-serif;
}
.btn-primary{background:var(--teal);color:var(--on-teal);}
.btn-primary:hover{background:var(--teal-light);}
.btn-gold{background:var(--gold);color:#241A05;}
.btn-gold:hover{background:var(--gold-light);}
.btn-outline{background:transparent;border-color:var(--gold);color:var(--heading);}
.btn-outline:hover{background:var(--gold);color:#241A05;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* ---------- sections ---------- */
section{padding:56px 0;}
section.tight{padding:36px 0;}
.section-alt{background:var(--card-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- hero ---------- */
.hero{padding:64px 0 48px;position:relative;}
.hero .badge{
  display:inline-block;background:var(--card);border:1px solid var(--gold);color:var(--gold-light);
  font-size:12px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;}

/* ---------- cards / grid ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
@media (max-width:820px){.grid-3,.grid-4{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:22px;
}
.card h3{margin-bottom:6px;}
.card .muted{color:var(--muted);font-size:14px;}

/* ---------- pricing ---------- */
.price-card{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:24px;display:flex;flex-direction:column;gap:10px;position:relative;
}
.price-card.featured{border:2px solid var(--gold);}
.price-card .tag{
  position:absolute;top:-12px;left:20px;background:var(--gold);color:#241A05;
  font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.05em;
}
.price-amount{font-family:'Amiri',serif;font-size:34px;font-weight:700;color:var(--heading);}
.price-amount span{font-size:14px;font-family:'Work Sans',sans-serif;font-weight:500;color:var(--muted);}
.price-card ul{margin:0;padding-left:18px;font-size:14px;color:var(--ink);}
.price-card ul li{margin-bottom:6px;}

/* ---------- teacher bios ---------- */
.teacher-card{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;
  display:flex;flex-direction:column;gap:14px;
}
.teacher-head{display:flex;align-items:center;gap:14px;}
.avatar{
  width:56px;height:56px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,var(--gold-light),var(--gold) 60%,var(--teal-dark) 150%);
  color:#0A0F1C;
  display:flex;align-items:center;justify-content:center;font-family:'Amiri',serif;font-weight:700;font-size:20px;flex-shrink:0;
  border:2px solid var(--gold-light);
}
:root[data-theme="light"] .avatar{color:#FBF8F0;}
.teacher-head .role{font-size:13px;color:var(--sage);font-weight:600;}
.teacher-card ul{margin:0;padding-left:18px;font-size:14px;}
.teacher-card ul li{margin-bottom:4px;}

.audio-block{
  background:var(--card-alt);border:1px solid var(--line);border-radius:8px;padding:14px 16px;
}
.audio-block p{margin:0 0 8px;font-size:13px;color:var(--muted);}
audio{width:100%;}

.teacher-contact{
  display:flex;flex-wrap:wrap;gap:10px;font-size:13px;
}
.teacher-contact a{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--card-alt);border:1px solid var(--line);border-radius:999px;
  padding:6px 12px;text-decoration:none;color:var(--ink);font-weight:500;
}
.teacher-contact a:hover{border-color:var(--gold);color:var(--heading);}

/* ---------- contact layout ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}

.contact-email{
  display:inline-flex;align-items:center;gap:8px;background:var(--card);
  border:1px solid var(--line);border-radius:8px;padding:10px 16px;font-weight:600;color:var(--heading);
  text-decoration:none;font-size:15px;
}
.contact-email:hover{border-color:var(--gold);}

/* ---------- form ---------- */
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--heading);margin-bottom:6px;}
.field .req{color:var(--danger);}
input[type=text],input[type=email],input[type=tel],select,textarea{
  width:100%;border-radius:6px;border:1px solid var(--line);background:var(--card-alt);
  color:var(--ink);font-family:'Work Sans',sans-serif;font-size:14px;padding:10px 12px;
}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--gold);outline-offset:1px;}
textarea{resize:vertical;min-height:90px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media (max-width:520px){.field-row{grid-template-columns:1fr;}}

.form-status{
  margin-top:14px;padding:12px 14px;border-radius:8px;font-size:14px;display:none;
}
.form-status.show{display:block;}
.form-status.ok{background:var(--ok-bg);color:var(--ok-ink);border:1px solid var(--ok-line);}
.form-status.err{background:var(--err-bg);color:var(--danger);border:1px solid var(--err-line);}

/* ---------- schedule picker ---------- */
.schedule-row{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;align-items:end;}
@media (max-width:560px){.schedule-row{grid-template-columns:1fr;}}
.schedule-count{margin:14px 0 0;padding:8px 12px;border:none;background:none;color:var(--muted);}
.schedule-empty{color:var(--muted);font-size:13px;font-style:italic;margin:0;}
.schedule-day-group{border:1px solid var(--line);border-radius:8px;padding:12px 14px;background:var(--card-alt);}
.schedule-day-group h4{
  margin:0 0 8px;font-size:13px;font-weight:700;color:var(--heading);text-transform:uppercase;
  letter-spacing:.06em;font-family:'Work Sans',sans-serif;
}
.schedule-entry{
  display:flex;align-items:center;justify-content:space-between;font-size:13px;padding:6px 0;
  border-top:1px solid var(--line);
}
.schedule-entry button{
  background:none;border:none;cursor:pointer;color:var(--muted);font-size:16px;line-height:1;padding:2px 6px;
}
.schedule-entry button:hover{color:var(--danger);}

/* ---------- theme toggle ---------- */
.theme-toggle{
  position:fixed;right:20px;bottom:20px;z-index:60;
  width:52px;height:52px;border-radius:50%;
  background:var(--card);border:1px solid var(--gold);
  color:var(--heading);font-size:20px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.35);
  transition:transform .15s ease,background .2s ease;
}
.theme-toggle:hover{transform:translateY(-2px);}
.theme-toggle:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:32px 0;margin-top:16px;}
footer .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;}
footer p{margin:0;font-size:13px;color:var(--muted);}
footer nav{display:flex;gap:18px;}
footer nav a{font-size:13px;text-decoration:none;color:var(--muted);}
footer nav a:hover{color:var(--heading);}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}