/* VetaSphere public website — premium veterinary-medical design system (SAV family).
   RTL-ready via CSS logical properties. No build step, no dependencies. */
:root{
  --navy:#0b2440; --navy-2:#123255; --teal:#0f9d8f; --teal-2:#12b8a6; --teal-ink:#0a6b61;
  --ink:#0d1b2a; --body:#33475b; --muted:#6b7c8e; --line:#e4ecf1; --line-2:#d2dfe7;
  --bg:#ffffff; --bg-soft:#f4f8f9; --bg-navy:#0b2440; --card:#ffffff;
  --radius:16px; --radius-sm:11px; --shadow:0 18px 44px -22px rgba(11,36,64,.35);
  --shadow-sm:0 8px 24px -14px rgba(11,36,64,.30);
  --maxw:1200px; --font:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  --font-ar:'Cairo','Tajawal','Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
[dir="rtl"] body{font-family:var(--font-ar)}
img{max-width:100%;display:block}
a{color:var(--teal-ink);text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,4.6vw,3.75rem);font-weight:800}
h2{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1rem}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
.section{padding-block:clamp(56px,8vw,104px)}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-ink);background:rgba(15,157,143,.10);padding:6px 13px;border-radius:999px;margin-bottom:16px}
.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--muted);max-width:60ch}
.center{text-align:center;margin-inline:auto}
.grid{display:grid;gap:22px}
.muted{color:var(--muted)}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:.98rem;border-radius:999px;padding:14px 26px;border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--teal),var(--teal-2));color:#fff;box-shadow:0 12px 26px -12px rgba(15,157,143,.7)}
.btn-dark{background:var(--navy);color:#fff}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-ink)}
.btn-link{color:var(--teal-ink);font-weight:700;display:inline-flex;align-items:center;gap:7px}
.btn-sm{padding:10px 18px;font-size:.9rem}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);flex:0 0 auto}
.brand img{height:34px;width:auto}
.brand small{display:block;font-size:.66rem;font-weight:600;color:var(--muted);letter-spacing:.02em;white-space:nowrap;line-height:1.1}
.brand strong{font-size:1.12rem;letter-spacing:-.01em;line-height:1.05;white-space:nowrap}
.brand span{display:flex;flex-direction:column;justify-content:center}
.nav{display:flex;align-items:center;gap:2px;margin-inline-start:auto;flex-wrap:nowrap}
.nav a.navlink{color:var(--body);font-weight:600;font-size:.9rem;padding:8px 10px;border-radius:9px;transition:color .16s,background-color .16s;white-space:nowrap}
.nav a.navlink:hover{color:var(--teal-ink);background:var(--bg-soft)}
.navcta{display:none}
.demo-video{width:100%;display:block;border-radius:14px;background:#000;aspect-ratio:16/9;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.hdr-cta{display:flex;align-items:center;gap:8px;margin-inline-start:16px;flex:0 0 auto}
.langsw{display:inline-flex;align-items:center;text-decoration:none;border:1px solid var(--line-2);background:#fff;border-radius:999px;padding:8px 12px;font-weight:700;font-size:.82rem;color:var(--ink);cursor:pointer}
.langsw:hover{border-color:var(--teal);color:var(--teal-ink)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;margin-inline-start:auto}
.burger span{display:block;width:24px;height:2.5px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.25s}
/* hero */
.hero{position:relative;background:radial-gradient(120% 120% at 80% 0,#123255 0,#0b2440 55%);color:#fff;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 15% 20%,rgba(18,184,166,.22),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-block:clamp(56px,7vw,92px)}
.hero h1{color:#fff}
.hero .lead{color:#c6d6e4;max-width:52ch}
.hero .eyebrow{color:#8ee6db;background:rgba(18,184,166,.14)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-note{margin-top:18px;font-size:.86rem;color:#93a8bd}
.hero-shot{border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:0 40px 80px -30px rgba(0,0,0,.6);background:#0c1e33}
.hero-shot img{width:100%;display:block}
.hero-shot .ph{aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;color:#6f89a3;font-size:.9rem;background:linear-gradient(135deg,#0e2540,#0a1c30)}
/* trust strip */
.trust{border-top:1px solid rgba(255,255,255,.08);background:#0a1f37;color:#9fb4c8}
.trust .wrap{display:flex;flex-wrap:wrap;gap:14px 34px;justify-content:center;padding-block:18px;font-size:.86rem;font-weight:600}
.trust b{color:#cfe0ee}
/* journey */
.journey{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:34px}
.journey .step{display:flex;align-items:center;gap:10px}
.journey .chip{background:#fff;border:1px solid var(--line);border-radius:11px;padding:12px 16px;font-weight:700;color:var(--ink);font-size:.92rem;box-shadow:var(--shadow-sm)}
.journey .arrow{color:var(--teal);font-weight:800}
[dir="rtl"] .journey .arrow{transform:scaleX(-1)}
/* cards */
.cards{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card .ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(15,157,143,.14),rgba(18,184,166,.08));color:var(--teal-ink);margin-bottom:16px}
.card .ic svg{width:24px;height:24px}
.card h3{margin-bottom:8px}
.card p{font-size:.95rem;margin:0;color:var(--muted)}
.card ul{margin:12px 0 0;padding-inline-start:18px;font-size:.9rem;color:var(--muted)}
.card ul li{margin-bottom:5px}
.soft{background:var(--bg-soft)}
/* flow diagram (clinical intelligence) */
.flow{display:grid;gap:12px;max-width:720px;margin-inline:auto}
.flow .node{background:#fff;border:1px solid var(--line);border-inline-start:4px solid var(--teal);border-radius:12px;padding:16px 20px;box-shadow:var(--shadow-sm)}
.flow .node b{color:var(--ink);display:block;font-size:1.02rem}
.flow .node span{font-size:.9rem;color:var(--muted)}
.flow .down{text-align:center;color:var(--teal);font-weight:800}
/* species */
.species{grid-template-columns:repeat(4,1fr)}
.sp{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center;box-shadow:var(--shadow-sm)}
.sp .em{font-size:1.9rem}
.sp b{display:block;margin-top:6px;color:var(--ink)}
.sp span{font-size:.82rem;color:var(--muted)}
/* video / demo */
.video{position:relative;border-radius:var(--radius);overflow:hidden;background:#08182b;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}
.video .play{width:78px;height:78px;border-radius:50%;background:rgba(255,255,255,.95);display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px -8px rgba(0,0,0,.5)}
.video .play svg{width:30px;height:30px;color:var(--teal-ink);margin-inline-start:4px}
.video .cap{position:absolute;inset-block-end:16px;inset-inline-start:16px;color:#cfe0ee;font-size:.85rem;background:rgba(8,24,43,.7);padding:6px 12px;border-radius:8px}
/* CTA band */
.ctaband{background:radial-gradient(120% 140% at 85% 10%,#123255,#0b2440);color:#fff;border-radius:22px;padding:clamp(34px,5vw,60px);text-align:center;box-shadow:var(--shadow)}
.ctaband h2{color:#fff}
.ctaband .lead{color:#c6d6e4;margin-inline:auto;margin-bottom:24px}
.ctaband .hero-cta{justify-content:center}
/* forms */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);display:grid;gap:16px}
.field{display:grid;gap:6px}
.field label{font-weight:700;font-size:.88rem;color:var(--ink)}
.field input,.field select,.field textarea{border:1.5px solid var(--line-2);border-radius:11px;padding:12px 14px;font:inherit;color:var(--ink);background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.disclaimer{background:rgba(15,157,143,.07);border:1px solid rgba(15,157,143,.25);border-radius:12px;padding:14px 18px;font-size:.9rem;color:var(--teal-ink)}
/* footer */
.ftr{background:var(--bg-navy);color:#a9bdd0;padding-block:56px 26px}
.ftr a{color:#c6d6e4}
.ftr a:hover{color:#fff}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.ftr h4{color:#fff;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:.92rem}
.ftr .brand strong,.ftr .brand{color:#fff}
.ftr .brand small{color:#8ba0b6}
.ftr-brand{gap:14px;align-items:center}
.ftr-brand strong{font-size:1.2rem}
.ftr-logo-chip{display:inline-flex;align-items:center;justify-content:center;background:#fff;border-radius:14px;padding:9px 12px;box-shadow:0 6px 18px rgba(0,0,0,.28);flex:0 0 auto}
.ftr-logo-chip img{height:40px;width:auto;display:block}
.ftr-desc{font-size:.9rem;color:#8ba0b6;margin-top:14px;max-width:34ch}
.ftr-bottom{border-top:1px solid rgba(255,255,255,.09);margin-top:34px;padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.84rem;color:#7f95ab}
.support-line{font-size:.86rem;color:#9fb4c8}
.support-line b{color:#cfe0ee}
/* utilities */
.grid-2{grid-template-columns:1fr 1fr}
.sec-head{max-width:62ch;margin-bottom:40px}
.sec-head.center{margin-inline:auto}
.tag{display:inline-block;font-size:.74rem;font-weight:700;color:var(--teal-ink);background:rgba(15,157,143,.1);padding:4px 10px;border-radius:999px}
/* responsive */
@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:34px}
  .cards{grid-template-columns:1fr 1fr}
  .species{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:1200px){
  .hdr-cta .btn.btn-ghost{display:none}
  .nav a.navlink{padding:8px 8px;font-size:.88rem}
}
@media(max-width:1024px){
  .nav,.hdr-cta .btn.btn-ghost{display:none}
  .burger{display:block}
  .nav.open{display:flex;position:absolute;inset-block-start:72px;inset-inline:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;gap:4px;box-shadow:var(--shadow)}
  .nav.open a.navlink{padding:12px 10px}
}
@media(max-width:720px){
  .hdr-cta{display:none}
  .nav.open .navcta{display:flex;flex-direction:column;gap:10px;margin-top:10px;border-top:1px solid var(--line);padding-top:14px}
  .nav.open .navcta .langsw{align-self:flex-start}
  .nav.open .navcta .btn{justify-content:center}
  .cards,.species,.two{grid-template-columns:1fr}
  .journey{flex-direction:column}
  [dir="rtl"] .journey .arrow{transform:rotate(90deg)}
  .journey .arrow{transform:rotate(90deg)}
  .ftr-grid{grid-template-columns:1fr}
}
@media(max-width:420px){ .brand small{display:none} }

/* ===== Phase 2/3 additions ===== */
.nav a.navlink.active{color:var(--teal-ink);background:var(--bg-soft)}
/* real product screenshots */
.shot{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#0c1e33}
.shot img{width:100%;display:block}
.hero-shot img{width:100%;display:block;border-radius:var(--radius)}
.shot-cap{font-size:.82rem;color:var(--muted);margin-top:10px;font-weight:600}
/* page sub-hero (interior pages) */
.subhero{background:radial-gradient(120% 120% at 85% 0,#123255 0,#0b2440 60%);color:#fff;padding-block:clamp(48px,6vw,84px)}
.subhero .eyebrow{color:#8ee6db;background:rgba(18,184,166,.14)}
.subhero h1{color:#fff}
.subhero .lead{color:#c6d6e4}
/* feature blocks (alternating) */
.fblock{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.fblock.rev .ftext{order:2}
.fblock + .fblock{margin-top:clamp(48px,7vw,88px)}
.flist{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
.flist li{display:flex;gap:10px;align-items:flex-start;font-size:.96rem;color:var(--body)}
.flist li:before{content:"✓";color:var(--teal-ink);font-weight:900;flex:none}
/* pricing */
.ptable{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:6px}
.plan.pop{border-color:var(--teal);box-shadow:var(--shadow);position:relative}
.plan.pop:before{content:"Most popular";position:absolute;inset-block-start:-12px;inset-inline-start:24px;background:var(--teal);color:#fff;font-size:.72rem;font-weight:800;padding:4px 12px;border-radius:999px;letter-spacing:.05em}
[dir="rtl"] .plan.pop:before{content:"الأكثر اختياراً"}
.plan h3{font-size:1.35rem}
.plan .price{font-size:1.05rem;font-weight:800;color:var(--teal-ink);margin:4px 0 8px}
.plan ul{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:9px;font-size:.92rem;color:var(--body)}
.plan ul li:before{content:"✓ ";color:var(--teal-ink);font-weight:900}
.plan .btn{margin-top:18px}
/* faq accordion */
.faq{max-width:820px;margin-inline:auto;display:grid;gap:12px}
.qa{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.qa summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:12px}
.qa summary::-webkit-details-marker{display:none}
.qa summary:after{content:"+";color:var(--teal);font-weight:900;font-size:1.3rem}
.qa[open] summary:after{content:"–"}
.qa .qa-body{padding:0 22px 20px;color:var(--muted);font-size:.95rem}
/* legal prose */
.prose{max-width:820px;margin-inline:auto}
.prose h2{font-size:1.4rem;margin-top:36px}
.prose h3{font-size:1.08rem;margin-top:24px}
.prose p,.prose li{color:var(--body);font-size:.98rem}
.prose ul{padding-inline-start:22px;display:grid;gap:8px}
.prose .updated{color:var(--muted);font-size:.88rem}
/* academy layout */
.acad{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.toc{position:sticky;top:88px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm);max-height:calc(100vh - 120px);overflow:auto}
.toc h4{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:14px 0 8px}
.toc h4:first-child{margin-top:0}
.toc a{display:block;padding:8px 12px;border-radius:9px;font-size:.9rem;color:var(--body);font-weight:600}
.toc a:hover{background:var(--bg-soft);color:var(--teal-ink)}
.toc a.on{background:rgba(15,157,143,.12);color:var(--teal-ink)}
.lesson{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,4vw,40px);box-shadow:var(--shadow-sm)}
.lesson .kicker{font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-ink)}
.lesson h2{margin-top:6px}
.lesson h3{margin-top:26px;font-size:1.15rem}
.lesson p,.lesson li{color:var(--body);font-size:.98rem}
.lesson ol,.lesson ul{padding-inline-start:22px;display:grid;gap:8px;margin:12px 0}
.lesson .role-tags{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 4px}
.lesson .role-tags .tag{background:rgba(11,36,64,.06);color:var(--navy-2)}
.vidph{aspect-ratio:16/9;border-radius:12px;background:linear-gradient(135deg,#0e2540,#0a1c30);display:flex;align-items:center;justify-content:center;color:#6f89a3;font-size:.9rem;border:1px solid var(--line);margin:18px 0}
.prevnext{display:flex;justify-content:space-between;gap:12px;margin-top:26px;flex-wrap:wrap}
.prevnext a{flex:1;min-width:200px;border:1px solid var(--line);border-radius:12px;padding:14px 18px;background:var(--card);transition:border-color .2s,transform .2s}
.prevnext a:hover{border-color:var(--teal);transform:translateY(-2px)}
.prevnext small{display:block;color:var(--muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.06em}
.prevnext b{color:var(--ink)}
.prevnext .nx{text-align:end}
/* stat row */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow-sm)}
.stat b{display:block;font-size:1.9rem;color:var(--teal-ink);font-weight:800;letter-spacing:-.02em}
.stat span{font-size:.85rem;color:var(--muted)}
[dir="rtl"] .btn-link svg,[dir="rtl"] .flow .node{}
[dir="rtl"] .flow .node{border-inline-start:4px solid var(--teal)}
@media(max-width:960px){
  .fblock{grid-template-columns:1fr;gap:26px}
  .fblock.rev .ftext{order:0}
  .ptable{grid-template-columns:1fr;max-width:460px;margin-inline:auto}
  .acad{grid-template-columns:1fr}
  .toc{position:static;max-height:none}
  .stats{grid-template-columns:1fr 1fr}
}