@import url('https://fonts.googleapis.com/css2?family=Amiri:wght@400;700&family=Noto+Naskh+Arabic:wght@400;600;700&family=Cinzel:wght@400;500;600&display=swap');

:root{
  --sand-50:  #f5f1e8;
  --sand-100: #e9e0d0;
  --sand-200: #d7c7aa;
  --sand-300: #bfa97d;
  --gold-400: #e1b968;
  --gold-500: #c9973e;
  --gold-600: #9b7029;
  --ink-900:  #102321;
  --ink-700:  #35504a;
  --ink-500:  #6b8179;
  --navy-950: #071918;
  --navy-900: #0c2523;
  --navy-800: #12332f;
  --white:    #fffdf8;

  --glass-bg:      rgba(255, 253, 248, 0.76);
  --glass-bg-soft: rgba(12, 37, 35, 0.94);
  --glass-border:  rgba(201, 151, 62, 0.28);
  --glass-shadow:  0 18px 48px rgba(7, 25, 24, 0.12);

  --grad-gold: linear-gradient(135deg, #f0cf83, var(--gold-500));
  --grad-page: linear-gradient(180deg, #fbfaf6 0%, #f1ece2 48%, #e8eee9 100%);

  --font-heading-ar: 'Amiri', serif;
  --font-body-ar: 'Noto Naskh Arabic', serif;
  --font-display-en: 'Cinzel', serif;

  --container-w: 1180px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 9px;

  --ease: cubic-bezier(.22, .8, .29, 1);
  --nav-h: 84px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  font-family: var(--font-body-ar);
  color: var(--ink-900);
  background: var(--grad-page);
  overflow-x: hidden;
  direction: rtl;
}

body::before{
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .3;
  background-image: radial-gradient(rgba(12,37,35,.2) .7px, transparent .7px);
  background-size: 13px 13px;
  mix-blend-mode: multiply;
  z-index: -1;
}

img{ max-width: 100%; display: block; }

a{ color: inherit; text-decoration: none; }

ul{ list-style: none; margin: 0; padding: 0; }

button{ font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4{
  font-family: var(--font-heading-ar);
  font-weight: 700;
  margin: 0;
  color: var(--ink-900);
}

p{ margin: 0; line-height: 1.9; color: var(--ink-700); }

section{ scroll-margin-top: var(--nav-h); position: relative; }

.container{
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display-en);
  font-size: 12.5px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 14px;
}
.eyebrow::before{
  content: '';
  width: 26px;
  height: 1px;
  background: var(--gold-500);
  display: inline-block;
}

.section-title{
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.35;
  margin-bottom: 18px;
}

.section-lead{
  max-width: 680px;
  font-size: 17px;
  color: var(--ink-500);
}

.section-head{
  text-align: center;
  margin: 0 auto 56px;
  max-width: 720px;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: 999px;
  font-family: var(--font-body-ar);
  font-weight: 600;
  font-size: 15.5px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
  white-space: nowrap;
}

.btn-primary{
  background: var(--grad-gold);
  color: var(--white);
  box-shadow: 0 10px 26px rgba(176, 134, 58, .35);
}
.btn-primary:hover{
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(176, 134, 58, .45);
}

.btn:focus-visible,
.nav-links a:focus-visible,
.nav-toggle:focus-visible,
.back-to-top:focus-visible,
.built-by:focus-visible{
  outline: 3px solid rgba(201,151,62,.48);
  outline-offset: 4px;
}

.btn-ghost{
  background: var(--glass-bg);
  color: var(--ink-900);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.btn-ghost:hover{
  transform: translateY(-3px);
  border-color: var(--gold-500);
  background: var(--white);
}

.glass{
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
}

.fingerprint-icon{ display: block; }
.fingerprint-icon path{
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
}

.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.reveal.in-view{
  opacity: 1;
  transform: translateY(0);
}

.scroll-progress{
  position: fixed;
  top: 0;
  right: 0;
  width: 0;
  height: 3px;
  background: var(--grad-gold);
  box-shadow: 0 0 14px rgba(225,185,104,.7);
  z-index: 1100;
  transition: width .1s linear;
}

.built-by{
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 901;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  padding: 5px 12px 5px 9px;
  border: 1px solid rgba(201,151,62,.5);
  border-radius: 999px;
  color: var(--sand-50);
  background: rgba(12, 37, 35, .9);
  box-shadow: 0 8px 22px rgba(7,25,24,.18), inset 0 0 0 1px rgba(255,255,255,.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  direction: ltr;
  font-family: var(--font-display-en);
  font-size: 10px;
  letter-spacing: .08em;
  line-height: 1;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}

.built-by::after{
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(225,185,104,.18);
  border-radius: inherit;
  pointer-events: none;
}

.built-by b{ color: var(--gold-400); font-weight: 600; }
.built-by-mark{ color: var(--gold-400); font-size: 12px; }
.built-by:hover{
  transform: translateY(-3px);
  border-color: var(--gold-400);
  background: rgba(18, 51, 47, .96);
  box-shadow: 0 12px 26px rgba(7,25,24,.26), 0 0 18px rgba(225,185,104,.12);
}

.back-to-top{
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--white);
  background: var(--navy-900);
  box-shadow: 0 12px 28px rgba(7,25,24,.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s var(--ease), visibility .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
  z-index: 900;
}

.back-to-top span{ font-size: 22px; line-height: 1; }
.back-to-top.is-visible{ opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover{ background: var(--gold-600); transform: translateY(-4px); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .reveal{ opacity: 1; transform: none; transition: none; }
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

@media (max-width: 720px){
  .container{ padding: 0 18px; }
  .section-head{ margin-bottom: 40px; }
  .back-to-top{ right: 16px; bottom: 16px; }
  .built-by{ left: 16px; bottom: 16px; }
}