/* ===========================================================
   Nur 'Ala Nur — design system
   Theme: "light upon light" (Surah An-Nur 24:35) — a deep
   night-navy field with warm lantern-gold light breaking
   through it. Built around the site's own Arabic name and verse
   rather than a generic dark-mode default.
   =========================================================== */
:root{
  --bg:          #16110D;   /* deep espresso brown */
  --bg-soft:     #1E1611;   /* slightly lifted dark walnut */
  --surface:     #2A1F17;   /* rich mocha for cards */
  --surface-line:rgba(248,243,230,0.06); 
  --line:        rgba(248,243,230,0.12);
  --gold:        #E5B25D;   /* warm antique gold accent */
  --gold-bright: #F8D07C;
  --gold-dim:    rgba(229,178,93,0.35);
  --gold-wash:   rgba(229,178,93,0.10);
  --cream:       #F8F3E6;   /* warm parchment white for primary text */
  --slate:       #A69B8F;   /* taupe/brownish-grey for secondary text */

  --font-display: 'Amiri', serif;
  --font-body:    'Manrope', sans-serif;

  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1180px;
  --header-h: 76px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html, body{ max-width: 100%; overflow-x: hidden; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }

h1, h2, h3{
  font-family: var(--font-display);
  color: var(--cream);
  font-weight: 700;
  margin: 0 0 0.4em;
  line-height: 1.15;
}
h1{ font-size: clamp(2.4rem, 5.5vw, 4.2rem); }
h2{ font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3{ font-size: 1.25rem; }

p{ margin: 0 0 1em; color: var(--slate); font-size: 1.05rem; line-height: 1.75; }

.container{ max-width: var(--max-width); margin: 0 auto; padding: 0 28px; }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

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

section[id]{ scroll-margin-top: calc(var(--header-h) + 18px); }

/* Section label — replaces the old tracked-out all-caps eyebrow with a
   plain-weight gold word and a short rule, so it reads as a quiet
   signpost rather than template chrome. */
.tag-label{
  display:inline-flex; align-items:center; gap:12px;
  font-weight:600; font-size:0.95rem; color: var(--gold);
  margin-bottom: 16px;
}
.tag-label::before{ content:""; width:30px; height:1px; background: var(--gold); }

/* Sandal brand mark — reused throughout, now rendered in gold as a
   glowing light-mark rather than a plain cream cutout. */
.sandal-logo{
  display:inline-block; width:52px; height:30px;
  background-color: var(--gold);
  -webkit-mask-image: url('sandal.png'); mask-image: url('sandal.png');
  -webkit-mask-size: contain; mask-size: contain;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-position: center; mask-position: center;
  flex-shrink: 0;
}

/* ===========================================================
   Header / nav — fixed, always visible, glass surface
   =========================================================== */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 200;
  height: var(--header-h);
  background: rgba(22,17,13,0.7);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled{
  background: rgba(22,17,13,0.94);
  box-shadow: 0 14px 34px rgba(0,0,0,0.35);
}
.site-header .container{
  height: 100%;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.brand-text{
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--cream);
  flex-shrink: 0;
}
.header-left{ display:flex; align-items:center; gap:14px; }

nav.main-nav ul{ list-style:none; display:flex; gap:40px; margin:0; padding:0; }
nav.main-nav a{
  position:relative;
  font-weight:600; font-size:0.95rem; color: var(--slate);
  padding: 6px 1px;
}
nav.main-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:-8px; height:2px;
  background: var(--gold);
  transform: scaleX(0); transform-origin:left;
  transition: transform .25s ease;
}
nav.main-nav a:hover, nav.main-nav a.active{ color: var(--cream); }
nav.main-nav a:hover::after, nav.main-nav a.active::after{ transform: scaleX(1); }

.nav-toggle{
  display:none; background:none; border:none; color: var(--cream);
  font-size: 1.7rem; cursor:pointer; line-height:1; padding: 4px;
}

@media (max-width: 860px){
  .nav-toggle{ display:block; z-index: 210; } /* keep toggle button clickable above the menu overlay */
  nav.main-nav{
    position: fixed;
    top: 0; 
    left: 0; 
    right: 0;
    height: 100vh;
    padding-top: var(--header-h);
    background: rgba(22, 17, 13, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display:flex; align-items:center; justify-content:center;
    opacity:0; visibility:hidden; transform: translateY(-8px);
    transition: opacity .3s ease, transform .3s ease, visibility .3s;
    z-index: 205;
  }
  nav.main-nav.open{ opacity:1; visibility:visible; transform:none; }
  nav.main-nav ul{ flex-direction:column; align-items:center; gap:34px; }
  nav.main-nav a{ font-size: 1.5rem; }
  nav.main-nav a::after{ bottom:-10px; }
}

/* ===========================================================
   Buttons
   =========================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family: var(--font-body); font-weight:700; font-size:0.95rem;
  padding: 15px 34px; border-radius: 999px;
  border: 1px solid transparent; cursor:pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary{ background: var(--gold); color:#1B1608; }
.btn-primary:hover{ background: var(--gold-bright); transform: translateY(-2px); box-shadow: 0 14px 32px rgba(211,161,92,.32); }
.btn-outline{ background:transparent; border-color: var(--line); color: var(--cream); }
.btn-outline:hover{ border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }
.btn-block{ width:100%; text-align:center; }

/* ===========================================================
   Sections (generic rhythm)
   =========================================================== */
section{ padding: 120px 0; }
section.alt{ background: var(--bg-soft); }
@media (max-width: 760px){ section{ padding: 76px 0; } }

.section-head{ max-width: 720px; padding-bottom: 8px; }

/* ===========================================================
   Home — hero
   =========================================================== */
.hero{
  position:relative;
  min-height: 88vh;
  display:flex; align-items:center;
  overflow:hidden;
  background:
    radial-gradient(ellipse 60% 50% at 50% 18%, rgba(211,161,92,0.20), transparent 65%),
    var(--bg);
  padding: 60px 0 70px;
}
.hero-watermark{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  pointer-events:none; overflow:hidden;
}
.hero-watermark span{
  font-family: var(--font-display);
  direction: rtl;
  font-size: clamp(7rem, 26vw, 22rem);
  color: var(--gold);
  opacity: 0.05;
  white-space: nowrap;
}
.hero-inner{
  position:relative; z-index:1;
  max-width: 780px; margin: 0 auto; text-align:center;
}
.hero-inner .tag-label{ justify-content:center; }
.hero-inner .tag-label::after{ content:""; width:30px; height:1px; background: var(--gold); }
.hero-inner h1{ margin-bottom: 0.25em; }
.hero-tagline{
  font-size: 1.2rem; color: var(--slate);
  max-width: 48ch; margin: 0 auto 2.4em;
}
.hero-cta{ display:flex; gap:18px; justify-content:center; flex-wrap:wrap; margin-bottom: 3.2rem; }

.verse-panel{
  background: rgba(244,238,223,0.03);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 40px 44px;
  max-width: 680px; margin: 0 auto;
  text-align:center;
}
.hero-verse-ar{
  direction: rtl; font-family: var(--font-display);
  font-size: 1.7rem; line-height: 2; color: var(--cream);
  margin: 0 0 20px; padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.hero-verse-en{
  font-family: var(--font-display); font-style: italic;
  font-size: 1.15rem; line-height: 1.7; color: var(--slate);
  margin: 0;
}
.hero-verse-ref{
  display:block; margin-top: 14px;
  font-size: 0.8rem; color: var(--gold); font-style: normal;
}

@media (max-width: 760px){
  .hero{ min-height: auto; padding: 48px 0 56px; }
  .verse-panel{ padding: 30px 26px; }
}

/* ===========================================================
   Mission pull-quote
   =========================================================== */
.mission-section{ padding: 90px 0; text-align:center; }
.mission-quote{
  position:relative;
  max-width: 760px; margin: 0 auto;
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  color: var(--cream); line-height: 1.55;
}
.mission-quote::before{
  content: "\201C"; position:absolute; top:-0.55em; left:50%;
  transform: translateX(-50%);
  font-size: 4.2em; color: var(--gold-dim);
  font-family: var(--font-display); z-index:-1;
}

.divider{ display:flex; align-items:center; justify-content:center; gap:22px; padding: 0 28px 100px; }
.divider::before, .divider::after{ content:""; flex:1; max-width:340px; height:1px; background: var(--line); }

/* ===========================================================
   Methodology
   =========================================================== */
.method-grid{ display:grid; grid-template-columns: 1.15fr 1fr; gap: 60px; align-items:center; }
@media (max-width: 860px){ .method-grid{ grid-template-columns:1fr; gap:44px; } }

.fact-panel{
  background: var(--surface);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius);
  padding: 40px 38px;
}
.fact-panel h3{ margin-bottom: 1em; }
.fact-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:18px; }
.fact-list li{ display:flex; align-items:flex-start; gap:14px; color: var(--slate); font-size: 0.98rem; }
.fact-list li::before{ content:""; width:6px; height:6px; margin-top:9px; border-radius:50%; background: var(--gold); flex-shrink:0; }

/* ===========================================================
   About
   =========================================================== */
.about-layout{ display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 70px; align-items:center; }
@media (max-width: 860px){ .about-layout{ grid-template-columns:1fr; gap:40px; } }

.portrait-frame{
  position:relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  overflow:hidden;
  border: 1px solid var(--line);
}
.portrait-frame::after{
  content:""; position:absolute; inset:16px;
  border: 1px solid var(--gold-dim);
  border-radius: calc(var(--radius) - 6px);
  pointer-events:none;
}
.portrait-frame img{ width:100%; height:100%; object-fit:cover; }

.email-pill{
  display:inline-flex; align-items:center; gap:10px;
  margin-top: 1.4em;
  padding: 13px 26px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--cream);
  font-weight:600; font-size:0.92rem;
  transition: border-color .2s ease, color .2s ease;
}
.email-pill:hover{ border-color: var(--gold); color: var(--gold); }
.email-pill svg{ color: var(--gold); flex-shrink:0; }

.lineage-layout{ display:grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items:center; }
@media (max-width: 860px){ .lineage-layout{ grid-template-columns:1fr; gap:36px; } }
.lineage-photo{
  border-radius: var(--radius); overflow:hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16/10;
}
.lineage-photo img{ width:100%; height:100%; object-fit:cover; }

/* ===========================================================
   Classes
   =========================================================== */
.filter-bar{
  display:flex; flex-wrap:wrap;
  border-bottom: 1px solid var(--line);
  margin-bottom: 3rem;
}
.filter-chip{
  background:none; border:none; cursor:pointer;
  font-family: var(--font-body); font-weight:600; font-size:0.95rem;
  color: var(--slate);
  padding: 14px 4px; margin-right: 30px;
  position:relative;
}
.filter-chip::after{
  content:""; position:absolute; left:0; right:0; bottom:-1px; height:2px;
  background: var(--gold); transform: scaleX(0); transform-origin:left;
  transition: transform .25s ease;
}
.filter-chip:hover{ color: var(--cream); }
.filter-chip.active{ color: var(--cream); }
.filter-chip.active::after{ transform: scaleX(1); }

.class-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 26px;
}
.class-card{
  background: var(--surface);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius);
  padding: 34px 32px 30px;
  position:relative;
  display:flex; flex-direction:column;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.class-card:hover{
  transform: translateY(-6px);
  border-color: var(--gold-dim);
  box-shadow: 0 24px 50px rgba(0,0,0,0.4);
}
.class-card::before{
  content:"";
  position:absolute; top:22px; right:24px;
  width:24px; height:14px;
  background-color: var(--gold);
  opacity:.45;
  -webkit-mask-image: url('sandal.png'); mask-image: url('sandal.png');
  -webkit-mask-size: contain; mask-size: contain;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-position: center; mask-position: center;
}
.class-tag{
  font-size: 0.76rem; font-weight:700;
  color: var(--gold); background: var(--gold-wash);
  padding: 5px 14px; border-radius: 999px;
  display:inline-block; margin-bottom: 14px; width: fit-content;
}
.class-meta{
  font-size: 0.86rem; color: var(--slate);
  border-top: 1px solid var(--surface-line);
  margin-top:auto; padding-top: 16px;
  display:flex; flex-direction:column; gap:6px;
}
.class-meta .price{ color: var(--gold); font-weight:700; font-size: 0.98rem; }
.class-card .btn{ margin-top: 20px; }

/* ===========================================================
   Videos
   =========================================================== */
.video-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}
.video-card{
  background: var(--surface);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius);
  overflow:hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.video-card:hover{ transform: translateY(-4px); border-color: var(--gold-dim); }
.video-frame{ aspect-ratio: 16/9; background: #000; position:relative; }
.video-frame iframe, .video-frame video{ width:100%; height:100%; border:0; }
.video-info{ padding: 22px 24px 26px; }
.video-info .class-tag{ margin-bottom: 10px; }

/* ===========================================================
   Contact
   =========================================================== */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:start; }
@media (max-width: 860px){ .contact-grid{ grid-template-columns:1fr; gap:48px; } }

.info-block{ margin-bottom: 2rem; }
.info-block .label{
  font-weight:700; font-size: 0.85rem; color: var(--gold);
  display:block; margin-bottom: 6px;
}
.info-block p{ color: var(--cream); }
.info-block a:hover{ color: var(--gold); }

.map-frame{
  border: 1px solid var(--line); border-radius: var(--radius);
  aspect-ratio: 4/3; overflow:hidden;
}
.map-frame iframe{
  width:100%; height:100%; border:0;
  filter: invert(92%) hue-rotate(180deg) contrast(90%);
}

form.contact-form{ display:flex; flex-direction:column; gap: 26px; }
.field label{ display:block; font-size:0.88rem; margin-bottom:8px; color: var(--cream); font-weight:600; }
.field input, .field select, .field textarea{
  width:100%;
  font-family: var(--font-body); font-size: 0.98rem;
  padding: 10px 2px;
  background: transparent; color: var(--cream);
  border: none; border-bottom: 1px solid var(--line);
  border-radius: 0;
}
.field select option{ background: var(--surface); color: var(--cream); }
.field textarea{ resize: vertical; min-height: 100px; }
.field input:focus, .field select:focus, .field textarea:focus{ border-bottom-color: var(--gold); }

/* ===========================================================
   Footer
   =========================================================== */
footer{
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding: 70px 0 30px;
  font-size: 0.92rem;
}
footer .container{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:36px; }
footer .brand{ font-family: var(--font-display); font-size:1.4rem; color: var(--cream); display:flex; align-items:center; gap:12px; margin-bottom:10px; }
footer a{ color: var(--slate); }
footer a:hover{ color: var(--gold); }
.footer-bottom{
  border-top: 1px solid var(--line);
  margin-top: 40px; padding-top: 24px;
  font-size: 0.78rem; color: var(--slate);
  text-align:center;
}
.logo-photo{ width: 6.5rem; display:block; margin: 14px auto 0; }

@media (max-width: 480px){
  p{ font-size: 1rem; }
  .container{ padding: 0 20px; }
}