/* =====================================================================
   سدو الخزامى — Design System (derived via ui-design-system skill)
   8-pt spacing · 1.25 fluid type scale · WCAG-AA colour · motion tokens
   ===================================================================== */
:root{
  /* brand colour scales */
  --green:#2a4a30; --green-600:#273b2b; --green-700:#1c2c1f; --green-soft:#3c6b43;
  --gold:#bb8f3c; --gold-d:#8f6012; --gold-l:#d8b25a;
  --purple:#6f54a8; --purple-d:#4f3a80; --purple-l:#b9a3e0;
  --cream:#faf5ec; --sand:#efe6d3; --sand-2:#e7d8bf; --terra:#bd8051; --terra-d:#9a6238;
  --ink:#2c2a22; --ink-soft:#615a48; --line:rgba(60,40,18,.14);
  /* semantic */
  --fg:var(--ink); --fg-soft:var(--ink-soft); --surface:var(--cream); --accent:var(--gold-d); --accent2:var(--purple-d);
  /* fluid type — BIGGER, generous (min ≈18px). NOTE: spaces around + are REQUIRED (CSS math) */
  --fs-0:clamp(1.05rem, 1rem + 0.25vw, 1.2rem);    /* small labels/badges */
  --fs-1:clamp(1.18rem, 1.1rem + 0.35vw, 1.4rem);  /* body / nav */
  --fs-2:clamp(1.4rem, 1.2rem + 0.8vw, 1.85rem);   /* lead */
  --fs-3:clamp(1.7rem, 1.35rem + 1.5vw, 2.4rem);
  --fs-4:clamp(2.1rem, 1.55rem + 2.4vw, 3.3rem);
  --fs-5:clamp(2.6rem, 1.9rem + 3.4vw, 4.4rem);
  --fs-6:clamp(3.2rem, 2.2rem + 4.8vw, 5.6rem);
  --fs-7:clamp(3.8rem, 2.6rem + 6.4vw, 7rem);
  /* 8-pt spacing */
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;--s9:96px;--s10:128px;
  --sec:clamp(3.5rem,8vw,7.5rem);
  /* radius / shadow / motion */
  --r-sm:10px;--r:18px;--r-lg:28px;--r-pill:999px;
  --sh-1:0 2px 8px -2px rgba(44,28,8,.18);
  --sh-2:0 18px 40px -22px rgba(44,28,8,.4);
  --sh-3:0 40px 90px -40px rgba(30,18,8,.55);
  --dur-fast:200ms;--dur:350ms;--dur-slow:650ms;--ease:cubic-bezier(.22,.8,.24,1);
  /* ONE font everywhere — Tajawal: clean, modern, highly legible */
  --f-display:"Tajawal",system-ui,sans-serif; --f-head:"Tajawal",system-ui,sans-serif; --f-body:"Tajawal",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--f-body);font-size:var(--fs-1);color:var(--fg);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden;opacity:0;transition:opacity .8s var(--ease)}
body.ready{opacity:1}
img{display:block;max-width:100%}a{color:inherit;text-decoration:none}
h1,h2,h3,.display{font-family:var(--f-display);font-weight:800;line-height:1.18}
.head-f{font-family:var(--f-head)}
.wrap{max-width:1280px;margin:0 auto;padding:0 clamp(1.2rem,5vw,3rem)}
.wrap-wide{max-width:1480px;margin:0 auto;padding:0 clamp(1.2rem,5vw,3.5rem)}
.sec{padding:var(--sec) 0;position:relative}
.kicker{font-family:var(--f-head);font-size:clamp(.92rem, 0.86rem + 0.3vw, 1.05rem);letter-spacing:.16em;color:var(--accent);font-weight:700}
.lead{font-size:var(--fs-2);color:var(--fg-soft);line-height:1.95}
/* buttons (sm/md/lg · primary/gold/ghost) — 44px+ touch targets */
.btn{position:relative;display:inline-flex;align-items:center;gap:.5em;font-family:var(--f-head);font-weight:600;
  border-radius:var(--r-pill);padding:.82em 2em;font-size:var(--fs-1);min-height:46px;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur),background var(--dur);overflow:hidden}
.btn::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.4),transparent 70%);transform:translateX(-120%);transition:transform .7s var(--ease)}
.btn:hover::before{transform:translateX(120%)}.btn:hover{transform:translateY(-3px)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 14px 30px -14px rgba(35,74,48,.7)}
.btn-gold{background:var(--gold);color:#2a2110}
.btn-ghost{border:1.5px solid currentColor;background:transparent}
.btn-glass{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.5);color:#fff;backdrop-filter:blur(8px)}
/* surfaces */
.card{background:var(--cream);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur)}
.card:hover{transform:translateY(-8px);box-shadow:var(--sh-2)}
.glass{background:rgba(250,245,236,.6);-webkit-backdrop-filter:blur(16px) saturate(1.05);backdrop-filter:blur(16px) saturate(1.05);border:1px solid rgba(255,252,244,.55);border-radius:var(--r-lg);box-shadow:var(--sh-3)}
/* nav */
/* scroll-progress bar */
.scrollprog{position:fixed;top:0;left:0;width:100%;height:3px;z-index:50;transform:scaleX(0);transform-origin:100% 50%;background:linear-gradient(90deg,var(--purple),var(--gold),var(--green))}
/* horizontal shelves: smooth scroll; grab cursor only while actively dragging */
.track,.treetrack{scroll-behavior:smooth}
.track.grabbing,.treetrack.grabbing{cursor:grabbing;scroll-behavior:auto}
.nav{position:fixed;inset-inline:0;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:1rem clamp(1.2rem,5vw,2.6rem);transition:var(--dur) var(--ease);color:#fff}
.nav.s{background:rgba(250,245,236,.92);backdrop-filter:blur(16px);color:var(--ink);box-shadow:0 1px 0 var(--line);padding-block:.65rem}
.nav .b{font-family:var(--f-display);font-size:1.45rem;font-weight:700;transition:var(--dur);display:inline-flex;align-items:center;gap:.45em}
.nav .b img{height:1.7em;width:auto;flex:none;filter:drop-shadow(0 1px 4px rgba(40,22,6,.35))}
.nav.s .b{color:var(--green);font-size:1.28rem}
.nav .lnk{display:flex;gap:1.5rem;font-size:var(--fs-1)}
.nav .lnk a{position:relative;padding-block:.2rem}.nav .lnk a::after{content:"";position:absolute;bottom:-2px;inset-inline:0;height:2px;background:currentColor;transform:scaleX(0);transform-origin:100% 50%;transition:transform var(--dur) var(--ease)}
.nav .lnk a:hover::after{transform:scaleX(1)}
@media(max-width:760px){.nav .lnk{display:none}}
/* motion primitives (respect reduced-motion) */
.r{opacity:0;transform:translateY(42px);transition:opacity var(--dur-slow) var(--ease),transform var(--dur-slow) var(--ease)}.r.in{opacity:1;transform:none}
.word{display:inline-block;opacity:0;transform:translateY(60%) rotate(2deg);transition:opacity .8s var(--ease),transform .8s var(--ease)}.word.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.r,.word{opacity:1!important;transform:none!important}}
.tag{position:fixed;bottom:14px;inset-inline-start:14px;z-index:60;background:var(--green);color:#fff;border-radius:var(--r-pill);padding:.5em 1.1em;font-size:.85rem;font-weight:700;font-family:var(--f-head)}.tag a{color:#cfe6d4}