:root{
  --oil:#0b0d0e; --oil2:#20282a;
  --teal:#2f6b63; --teal-bright:#3f8b80; --teal-soft:#e6f2ef;
  --gold:#b98f39; --gold-soft:#f4ead2;
  --ink:#12181a; --body:#414d4e; --muted:#7b8887; --line:#eceeed;
  --bg:#ffffff; --bg2:#f6f8f7; --card:#ffffff;
  --radius:18px; --wrap:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Tajawal',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Tajawal',sans-serif;line-height:1.35;font-weight:800}
.serif{font-family:'Amiri',serif}

/* ===== NAV ===== */
nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
nav .brand{color:#000;font-weight:800;font-size:1.05rem;display:inline-flex;align-items:center;gap:10px}
nav .brand .brand-logo{height:30px;width:auto;object-fit:contain;display:block;flex-shrink:0;align-self:center}
nav .brand .brand-txt{transform:translateY(3px)}
nav .brand span{color:var(--teal)}
nav .brand .oil{color:#000}
nav .brand span{color:var(--teal)}
nav .links{display:flex;gap:26px}
nav .links a{color:var(--body);font-size:.95rem;font-weight:500;transition:color .2s}
nav .links a:hover{color:var(--teal)}
@media(max-width:720px){nav .links{display:none}}

/* ===== HERO ===== */
.hero{background:
   radial-gradient(1000px 600px at 90% -6%, rgba(63,139,128,.16), transparent 58%),
   radial-gradient(760px 560px at 4% 96%, rgba(185,143,57,.10), transparent 60%),
   linear-gradient(180deg,#ffffff 0%,#f4f8f7 100%);
   overflow:hidden;position:relative}
/* subtle dotted texture + soft blobs */
.hero::before{content:"";position:absolute;inset:0;
   background-image:radial-gradient(rgba(47,107,99,.10) 1px,transparent 1px);
   background-size:26px 26px;-webkit-mask-image:radial-gradient(70% 60% at 70% 30%,#000,transparent 75%);mask-image:radial-gradient(70% 60% at 70% 30%,#000,transparent 75%);opacity:.5;pointer-events:none}
.hero::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;
   background:radial-gradient(circle,rgba(63,139,128,.18),transparent 65%);
   top:-140px;left:-120px;filter:blur(20px);pointer-events:none;animation:floatBlob 14s ease-in-out infinite}
@keyframes floatBlob{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,30px)}}
.hero .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;min-height:92vh;padding:56px 24px;position:relative;z-index:1}
.hero .art{position:relative;order:2;display:flex;flex-direction:column;align-items:center}
.hero .art .glow{position:absolute;width:78%;height:70%;top:14%;border-radius:50%;
   background:radial-gradient(circle,rgba(47,107,99,.22),transparent 62%);filter:blur(46px);z-index:0}
.hero .art img{position:relative;z-index:1;width:100%;max-width:470px;display:block;
   filter:drop-shadow(0 34px 46px rgba(20,40,38,.22));animation:bookFloat 6s ease-in-out infinite}
@keyframes bookFloat{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-14px) rotate(-.4deg)}}
.hero .copy{order:1;max-width:100%}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--teal);font-weight:700;letter-spacing:.5px;font-size:.85rem;margin-bottom:22px;background:var(--teal-soft);padding:8px 18px;border-radius:100px;border:1px solid rgba(47,107,99,.16)}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(47,107,99,.18);animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(47,107,99,.20)}50%{box-shadow:0 0 0 7px rgba(47,107,99,.06)}}
.hero h1{font-size:clamp(2.7rem,5.2vw,4.4rem);font-weight:800;color:var(--ink);margin-bottom:16px;line-height:1.12;word-break:break-word;letter-spacing:-.5px}
.hero h1 .b{color:var(--oil)}
.hero h1 .g{background:linear-gradient(120deg,var(--teal-bright),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .divider{width:64px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--teal),var(--oil));margin-bottom:22px}
.hero .sub{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--body);font-weight:400;margin-bottom:20px;max-width:42ch;line-height:1.85}
.hero .author{color:var(--ink);font-weight:600;margin-bottom:30px;font-size:1.05rem}
.hero .author b{color:var(--teal)}
.cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero .stats{display:flex;gap:30px;margin-top:34px;flex-wrap:wrap;justify-content:center;text-align:center}
.hero .stat{display:flex;flex-direction:column;gap:2px}
.hero .stat .n{font-size:1.7rem;font-weight:800;color:var(--teal);line-height:1}
.hero .stat .l{font-size:.85rem;color:var(--muted);font-weight:500}
.hero .stat + .stat{padding-inline-start:30px;border-inline-start:1px solid var(--line)}
/* entrance animations */
.reveal{opacity:0;transform:translateY(22px);animation:rise .8s cubic-bezier(.2,.7,.2,1) forwards}
.reveal.d1{animation-delay:.05s}.reveal.d2{animation-delay:.18s}.reveal.d3{animation-delay:.31s}.reveal.d4{animation-delay:.44s}.reveal.d5{animation-delay:.57s}
@keyframes rise{to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.reveal,.hero .art img,.hero::after,.eyebrow::before{animation:none;opacity:1;transform:none}}
.scrollcue{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);font-size:.78rem;font-weight:600}
.scrollcue .mouse{width:24px;height:38px;border:2px solid var(--muted);border-radius:14px;position:relative}
.scrollcue .mouse::before{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);width:4px;height:7px;border-radius:3px;background:var(--muted);animation:wheel 1.6s ease-in-out infinite}
@keyframes wheel{0%{opacity:0;top:6px}40%{opacity:1}100%{opacity:0;top:16px}}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:1rem;padding:14px 26px;border-radius:100px;transition:transform .15s,box-shadow .2s,background .2s,border-color .2s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--teal-bright),var(--teal));color:#fff;box-shadow:0 12px 26px rgba(47,107,99,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(47,107,99,.36)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
@media(max-width:820px){
  .hero .wrap{grid-template-columns:1fr;text-align:center;min-height:auto;padding-top:40px;padding-bottom:64px}
  .hero .art{order:1;margin-bottom:8px}.hero .copy{order:2}
  .hero .art img{max-width:300px}
  .hero .sub{margin-inline:auto}
  .hero .divider{margin-inline:auto}
  .cta{justify-content:center}
  .hero .stats{justify-content:center;gap:22px}
  .hero .stat + .stat{padding-inline-start:22px}
  .scrollcue{display:none}
}

/* ===== SECTIONS ===== */
section{padding:92px 0}
.section-tag{color:var(--teal);font-weight:700;letter-spacing:.5px;font-size:.9rem;margin-bottom:10px}
.section-title{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:20px;color:var(--ink)}
.lead{font-size:1.15rem;color:var(--body);max-width:70ch}
.lead.oneline{max-width:none}
@media(min-width:860px){.lead.oneline{white-space:nowrap}}

/* idea band */
.idea{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative}
.idea .rule{width:60px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--teal),var(--oil));margin-bottom:26px}
.idea blockquote{font-family:'Amiri',serif;font-size:clamp(1.45rem,3.4vw,2.15rem);line-height:1.7;color:var(--ink);border:none;max-width:62ch}
.idea blockquote .q{color:var(--gold);font-size:2.2rem;display:block;margin-bottom:4px;line-height:1}
.idea .who{margin-top:22px;color:var(--teal);font-weight:600}

/* about */
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:start}
.about-grid p{margin-bottom:18px;color:var(--body)}
.pull{background:linear-gradient(160deg,#317065,#1e4a44);border:1px solid rgba(255,255,255,.08);border-radius:22px;padding:34px 30px;box-shadow:0 26px 54px rgba(20,55,48,.28);position:sticky;top:88px;overflow:hidden}
.pull::before{content:"";position:absolute;width:230px;height:230px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.10),transparent 66%);top:-80px;left:-50px;pointer-events:none}
.pull::after{content:"";position:absolute;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(185,143,57,.16),transparent 66%);bottom:-70px;right:-40px;pointer-events:none}
.pull h3{color:#fff;font-size:1.35rem;margin-bottom:10px;position:relative}
.pull .headrule{width:52px;height:3px;border-radius:3px;background:var(--gold);margin-bottom:14px;position:relative}
.pull ul{list-style:none;position:relative}
.pull li{padding:14px 2px;border-bottom:1px solid rgba(255,255,255,.12);color:#e9f3f0;font-weight:500;display:flex;gap:14px;align-items:flex-start;transition:transform .2s,background .2s;border-radius:10px}
.pull li:last-child{border-bottom:none}
.pull li:hover{transform:translateX(-5px)}
.pull .fi{flex-shrink:0;width:9px;height:9px;margin-top:11px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(185,143,57,.18)}
@media(max-width:820px){.about-grid{grid-template-columns:1fr}}

/* reasons cards */
.reasons{background:var(--bg)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(20,40,38,.09)}
.card .ic{width:48px;height:48px;border-radius:13px;background:var(--teal-soft);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px}
.card h3{font-size:1.15rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.98rem}
@media(max-width:820px){.cards{grid-template-columns:1fr}}

/* contents / TOC */
.toc{background:var(--bg2);border-top:1px solid var(--line)}
.parts{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:36px;align-items:start}
.part{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.part .num{color:var(--gold);font-weight:800;font-size:.85rem;letter-spacing:1px}
.part h3{font-size:1.3rem;margin:6px 0 10px;color:var(--ink);cursor:pointer;user-select:none;display:flex;align-items:center;gap:12px}
.part h3::after{content:"اقرأ المزيد ⌄";margin-inline-start:auto;color:var(--teal);font-size:.85rem;font-weight:700;white-space:nowrap;background:var(--teal-soft);padding:5px 12px;border-radius:100px;transition:background .2s}
.part.open h3::after{content:"طيّ المحتوى ⌃"}
.part h3:hover::after{background:#d4e9e4}
.part-body{overflow:hidden;max-height:0;opacity:0;transition:max-height .4s ease,opacity .3s ease}
.part.open .part-body{max-height:1400px;opacity:1}
.part-intro{color:var(--body);font-size:.96rem;line-height:1.75;margin-bottom:12px}
.whyread{background:var(--teal-soft);border:1px solid rgba(47,107,99,.14);border-radius:12px;padding:11px 14px;margin-bottom:18px;font-size:.9rem;color:var(--body);line-height:1.6}
.whyread .wt{display:block;color:var(--teal);font-weight:800;font-size:.82rem;margin-bottom:2px}
.part ol{list-style:none;counter-reset:c}
.part li{counter-increment:c;padding:7px 0;color:var(--body);font-weight:500;display:flex;gap:12px;font-size:.98rem}
.part li::before{content:counter(c);background:var(--teal-soft);color:var(--teal);font-weight:700;width:24px;height:24px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:.8rem;flex-shrink:0}
.extra{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.chip{background:#fff;border:1px solid var(--line);border-radius:100px;padding:8px 16px;font-size:.9rem;color:var(--teal);font-weight:600}
@media(max-width:820px){.parts{grid-template-columns:1fr}}

/* buy */
.buy{background:var(--bg);text-align:center}
.buy .lead{margin:0 auto 34px;color:var(--body)}
.stores{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.store{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 30px;min-width:200px;transition:.2s;display:flex;flex-direction:column;gap:4px;align-items:center}
.store:hover{border-color:var(--teal);transform:translateY(-3px);box-shadow:0 14px 30px rgba(20,40,38,.08)}
.store .n{font-weight:700;font-size:1.1rem;color:var(--ink)}
.store .s{font-size:.82rem;color:var(--muted)}
.soon{opacity:.6}
.soon:hover{transform:none;box-shadow:none;border-color:var(--line)}
.note{margin-top:28px;font-size:.88rem;color:var(--muted)}

/* author */
.author-sec{background:var(--bg2);border-top:1px solid var(--line)}
.author-card{display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:start;background:linear-gradient(160deg,#317065,#1e4a44);border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:40px;box-shadow:0 26px 54px rgba(20,55,48,.28);color:#e9f3f0}
.author-card h3{color:#fff}
.author-card p{color:#ffffff}
.author-card .avatar{position:sticky;top:88px}
.author-card p{margin-bottom:14px}
.author-card p:last-child{margin-bottom:0}
.author-tag{font-family:'Amiri',serif;font-size:1.25rem;color:var(--teal);font-weight:700;border-inline-start:3px solid var(--gold);padding-inline-start:14px}
.author-meta{display:flex;flex-direction:column;gap:10px;background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:6px 0 18px}
.author-meta .row{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap}
.author-meta .mlabel{color:var(--teal);font-weight:800;font-size:.85rem;min-width:52px}
.author-card .avatar{width:132px;height:132px;border-radius:50%;overflow:hidden;flex-shrink:0;box-shadow:0 10px 26px rgba(20,40,38,.18);border:3px solid #fff;background:var(--teal-soft)}
.author-card .avatar img{width:100%;height:100%;object-fit:cover;display:block}
.author-card h3{font-size:1.5rem;margin-bottom:6px}
.author-card .role{color:var(--teal);font-weight:600;margin-bottom:14px}
.author-card p{color:#ffffff}
@media(max-width:640px){.author-card{grid-template-columns:1fr;text-align:center}.author-card .avatar{margin-inline:auto}}

/* footer */
footer{background:var(--oil);color:#8ea09d;padding:48px 0;text-align:center;font-size:.9rem}
footer .brand{color:#fff;font-weight:800;font-size:1.2rem;margin-bottom:16px}
footer .brand span{color:var(--teal-bright)}
footer .foot-connect{color:#cfd8d6;font-weight:600;margin-bottom:16px}
.social{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.social .sbtn{display:inline-flex;align-items:center;gap:9px;color:#e7efed;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:100px;padding:10px 18px;font-weight:600;font-size:.92rem;transition:.2s}
.social .sbtn:hover{background:rgba(79,165,150,.18);border-color:var(--teal-bright);color:#fff;transform:translateY(-2px)}
.social .sbtn.primary{background:linear-gradient(135deg,var(--teal-bright),var(--teal));border-color:transparent;color:#fff;cursor:pointer}
.social .sbtn.primary:hover{box-shadow:0 10px 24px rgba(47,107,99,.4)}
.social .sbtn.icon{width:46px;height:46px;padding:0;justify-content:center;border-radius:50%}
.social .sbtn.articles .site-logo{width:20px;height:20px;object-fit:contain;border-radius:5px}
footer .copy{color:#8ea09d;font-size:.86rem;margin-top:6px}

/* ===== CONTACT MODAL ===== */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(8,14,14,.55);backdrop-filter:blur(4px)}
.modal-card{position:relative;background:#fff;border-radius:22px;width:100%;max-width:460px;padding:34px 30px;box-shadow:0 30px 70px rgba(10,25,22,.4);animation:rise .35s cubic-bezier(.2,.7,.2,1)}
.modal-x{position:absolute;top:14px;left:16px;inset-inline-start:16px;inset-inline-end:auto;background:var(--bg2);border:1px solid var(--line);width:34px;height:34px;border-radius:50%;font-size:1.3rem;line-height:1;color:var(--body);cursor:pointer}
.modal-x:hover{background:#eceeed}
.modal-card h3{font-size:1.5rem;color:var(--ink);margin-bottom:6px}
.modal-sub{color:var(--muted);font-size:.95rem;margin-bottom:20px}
#contactForm{display:flex;flex-direction:column;gap:14px}
#contactForm label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem;color:var(--ink)}
#contactForm input,#contactForm textarea{font-family:inherit;font-size:1rem;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--bg2);color:var(--ink);transition:border-color .2s;resize:vertical}
#contactForm input:focus,#contactForm textarea:focus{outline:none;border-color:var(--teal-bright);background:#fff}
.cm-submit{justify-content:center;margin-top:4px;cursor:pointer}
.form-status{font-size:.9rem;font-weight:600;min-height:1.2em;margin-top:2px}
.form-status.ok{color:var(--teal)}
.form-status.err{color:#b4462f}