/* ═══════════════════════════════════════════════════
   RxSystem Landing Page — Premium Design
   ═══════════════════════════════════════════════════ */
:root {
    --primary: #0077b6;
    --primary-light: #00b4d8;
    --accent: #06d6a0;
    --accent-dark: #0abe8e;
    --bg: #f0f5fb;
    --surface: #ffffff;
    --card: #ffffff;
    --card-hover: #f7faff;
    --border: #dde5f0;
    --text: #1a2235;
    --muted: #6b7a99;
    --danger: #dc2626;
    --radius: 16px;
    --glow-primary: rgba(0,119,182,.15);
    --glow-accent: rgba(6,214,160,.12);
}
[data-theme="dark"] {
    --bg: #060b18;
    --surface: #0d1425;
    --card: #111d33;
    --card-hover: #152540;
    --border: #1e3050;
    --text: #e8f0fa;
    --muted: #6b8aad;
    --danger: #ef476f;
    --glow-primary: rgba(0,180,216,.25);
    --glow-accent: rgba(6,214,160,.2);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Cairo',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}

/* ── ANIMATED BG ─────────────────────────── */
.bg-grid{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(ellipse 80% 60% at 20% 10%,rgba(0,119,182,.12),transparent),
    radial-gradient(ellipse 60% 50% at 80% 80%,rgba(6,214,160,.08),transparent);
}
.bg-grid::after{content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:60px 60px;
}

/* ── NAVBAR ──────────────────────────────── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 40px;
  background:rgba(6,11,24,.7);backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(30,48,80,.5);
  transition:background .3s}
.navbar.scrolled{background:rgba(6,11,24,.95)}
.nav-logo{display:flex;align-items:center;gap:12px}
.nav-logo .icon-box{width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  display:flex;align-items:center;justify-content:center;font-size:20px;
  box-shadow:0 4px 20px var(--glow-primary)}
.nav-logo h2{font-size:22px;font-weight:900;letter-spacing:-1px}
.nav-logo h2 span{color:var(--primary-light)}
.nav-btn{display:flex;align-items:center;gap:8px;
  padding:10px 28px;border:none;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-family:'Cairo',sans-serif;font-size:14px;font-weight:700;
  cursor:pointer;transition:all .25s;text-decoration:none;
  box-shadow:0 4px 20px var(--glow-primary)}
.nav-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--glow-primary)}

/* ── HERO ────────────────────────────────── */
.hero{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;
  padding:120px 40px 60px}
.hero-grid{max-width:1200px;margin:0 auto;display:grid;
  grid-template-columns:1fr 1fr;gap:60px;align-items:center;width:100%}
.hero-text h1{font-size:clamp(32px,5vw,52px);font-weight:900;line-height:1.3;margin-bottom:20px}
.hero-text h1 .gradient{background:linear-gradient(135deg,var(--primary-light),var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-text p{font-size:18px;color:var(--muted);line-height:1.8;margin-bottom:32px}
.hero-badges{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;
  border-radius:30px;font-size:13px;font-weight:700;
  border:1px solid var(--border);background:rgba(17,29,51,.6);
  backdrop-filter:blur(10px)}
.badge.doc{border-color:rgba(0,180,216,.3);color:var(--primary-light)}
.badge.pat{border-color:rgba(6,214,160,.3);color:var(--accent)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn-hero{padding:14px 32px;border:none;border-radius:12px;
  font-family:'Cairo',sans-serif;font-size:16px;font-weight:700;
  cursor:pointer;transition:all .25s;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.btn-hero.primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;box-shadow:0 6px 30px var(--glow-primary)}
.btn-hero.secondary{background:rgba(6,214,160,.1);border:1px solid rgba(6,214,160,.3);color:var(--accent)}
.btn-hero:hover{transform:translateY(-2px)}

/* Hero Visual */
.hero-visual{position:relative}
.hero-card{background:var(--card);border:1px solid var(--border);border-radius:20px;
  padding:32px;position:relative;overflow:hidden;
  box-shadow:0 20px 60px rgba(0,0,0,.3)}
.hero-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--primary-light),var(--accent))}
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.stat-box{text-align:center;padding:16px;background:var(--surface);border-radius:12px;
  border:1px solid var(--border)}
.stat-box .num{font-size:28px;font-weight:900;
  background:linear-gradient(135deg,var(--primary-light),var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat-box .lbl{font-size:11px;color:var(--muted);margin-top:4px}
.float-badge{position:absolute;padding:10px 18px;border-radius:12px;
  font-size:12px;font-weight:700;
  background:rgba(17,29,51,.9);backdrop-filter:blur(10px);
  border:1px solid var(--border);
  animation:float 3s ease-in-out infinite}
.float-badge.fb1{top:-15px;right:-10px;border-color:rgba(0,180,216,.3);color:var(--primary-light)}
.float-badge.fb2{bottom:-15px;left:-10px;border-color:rgba(6,214,160,.3);color:var(--accent);animation-delay:1.5s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ── FEATURES ────────────────────────────── */
.features{position:relative;z-index:1;padding:80px 40px}
.section-header{text-align:center;margin-bottom:50px}
.section-header .chip{display:inline-flex;align-items:center;gap:6px;
  padding:6px 18px;border-radius:20px;font-size:12px;font-weight:700;
  background:rgba(0,180,216,.1);border:1px solid rgba(0,180,216,.2);color:var(--primary-light);margin-bottom:16px}
.section-header h2{font-size:clamp(26px,4vw,38px);font-weight:900;margin-bottom:12px}
.section-header p{color:var(--muted);font-size:16px;max-width:600px;margin:0 auto}
.features-grid{max-width:1100px;margin:0 auto;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;transition:all .3s;position:relative;overflow:hidden;cursor:default}
.feature-card:hover{border-color:rgba(0,180,216,.3);transform:translateY(-4px);
  box-shadow:0 12px 40px rgba(0,0,0,.2)}
.feature-card .f-icon{width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.feature-card:nth-child(odd) .f-icon{background:rgba(0,180,216,.12)}
.feature-card:nth-child(even) .f-icon{background:rgba(6,214,160,.12)}
.feature-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:13px;color:var(--muted);line-height:1.7}

/* ── WHO SECTION ─────────────────────────── */
.who-section{position:relative;z-index:1;padding:80px 40px}
.who-grid{max-width:900px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.who-card{background:var(--card);border-radius:20px;padding:36px;text-align:center;
  border:2px solid var(--border);transition:all .3s;position:relative;overflow:hidden}
.who-card::before{content:'';position:absolute;inset:0;opacity:.05;transition:opacity .3s}
.who-card:hover::before{opacity:.1}
.who-card.for-doc{border-color:rgba(0,180,216,.2)}
.who-card.for-doc::before{background:var(--primary)}
.who-card.for-doc:hover{border-color:rgba(0,180,216,.5);box-shadow:0 0 40px var(--glow-primary)}
.who-card.for-pat{border-color:rgba(6,214,160,.2)}
.who-card.for-pat::before{background:var(--accent)}
.who-card.for-pat:hover{border-color:rgba(6,214,160,.5);box-shadow:0 0 40px var(--glow-accent)}
.who-card .w-icon{font-size:56px;display:block;margin-bottom:16px}
.who-card h3{font-size:22px;font-weight:900;margin-bottom:10px}
.who-card p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:20px}
.who-card ul{list-style:none;text-align:right;font-size:13px;color:var(--muted)}
.who-card ul li{padding:6px 0;border-bottom:1px solid rgba(30,48,80,.5);display:flex;align-items:center;gap:8px}
.who-card ul li::before{content:'✓';color:var(--accent);font-weight:700;font-size:14px}
.who-card.for-doc ul li::before{color:var(--primary-light)}

/* ── LOGIN MODAL ─────────────────────────── */
.modal-overlay{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.6);
  backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.show{display:flex}
.modal-box{background:var(--card);border:1px solid var(--border);border-radius:20px;
  width:100%;max-width:500px;max-height:90vh;overflow-y:auto;padding:32px;position:relative;
  box-shadow:0 20px 60px rgba(0,0,0,.5);animation:modalIn .3s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:16px;left:16px;width:36px;height:36px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);color:var(--muted);
  font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}
.modal-close:hover{background:var(--danger);color:#fff;border-color:var(--danger)}
.modal-title{font-size:22px;font-weight:900;margin-bottom:6px;text-align:center}
.modal-subtitle{font-size:13px;color:var(--muted);text-align:center;margin-bottom:24px}

/* Chooser inside modal */
.modal-chooser{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
.mc-btn{padding:12px;border-radius:12px;border:2px solid var(--border);background:transparent;
  color:var(--muted);font-family:'Cairo',sans-serif;font-size:14px;font-weight:700;
  cursor:pointer;transition:all .2s;text-align:center}
.mc-btn.active.doc-c{border-color:var(--primary-light);color:var(--primary-light);
  background:rgba(0,180,216,.08)}
.mc-btn.active.pat-c{border-color:var(--accent);color:var(--accent);
  background:rgba(6,214,160,.08)}
/* Tabs */
.m-tabs{display:grid;grid-template-columns:1fr 1fr;background:var(--surface);
  border-radius:12px;padding:4px;margin-bottom:20px;border:1px solid var(--border)}
.m-tab{padding:10px;border:none;background:transparent;color:var(--muted);
  font-family:'Cairo',sans-serif;font-size:13px;font-weight:600;cursor:pointer;
  border-radius:8px;transition:all .2s}
.m-tab.active.doc{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff}
.m-tab.active.pat{background:linear-gradient(135deg,var(--accent-dark),var(--accent));color:#fff}

/* Form fields */
.fg{margin-bottom:14px}
.fg label{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:6px}
.fg input,.fg select{width:100%;background:var(--surface);border:1px solid var(--border);
  border-radius:10px;padding:11px 14px;font-family:'Cairo',sans-serif;font-size:14px;
  color:var(--text);outline:none;direction:rtl;transition:border-color .2s,box-shadow .2s}
.fg input:focus,.fg select:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px var(--glow-primary)}
.pat-active-form .fg input:focus,.pat-active-form .fg select:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px var(--glow-accent)}
.fg input::placeholder{color:var(--muted)}
.fg select option{background:var(--surface)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.code-inp{text-align:center;letter-spacing:4px;font-size:18px;font-weight:700;
  font-family:monospace;text-transform:uppercase}
.btn-submit{width:100%;padding:13px;border:none;border-radius:10px;
  font-family:'Cairo',sans-serif;font-size:15px;font-weight:700;
  cursor:pointer;transition:all .2s;margin-top:6px;color:#fff}
.btn-submit:hover{opacity:.9;transform:translateY(-1px)}
.btn-submit.doc-s{background:linear-gradient(135deg,var(--primary),var(--primary-light))}
.btn-submit.pat-s{background:linear-gradient(135deg,var(--accent-dark),var(--accent))}
.alert{padding:12px 16px;border-radius:10px;font-size:13px;margin-bottom:16px;font-weight:600;white-space:pre-line}
.alert-danger{background:rgba(239,71,111,.12);border:1px solid rgba(239,71,111,.3);color:var(--danger)}
.alert-success{background:rgba(6,214,160,.1);border:1px solid rgba(6,214,160,.3);color:var(--accent)}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin:14px 0}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border)}
.link-btn{width:100%;padding:11px;border:1px solid rgba(6,214,160,.3);border-radius:10px;
  background:rgba(6,214,160,.08);color:var(--accent);font-family:'Cairo',sans-serif;
  font-size:14px;font-weight:700;cursor:pointer;transition:all .2s}
.link-btn:hover{background:rgba(6,214,160,.15)}
.hidden{display:none!important}

/* Password strength */
.pw-rules{font-size:11px;color:var(--muted);margin-top:6px;line-height:1.8}
.pw-rules .rule{display:flex;align-items:center;gap:6px}
.pw-rules .rule.pass{color:var(--accent)}
.pw-rules .rule.fail{color:var(--danger)}

/* ── LIGHT THEME OVERRIDES ───────────────── */
:root .bg-grid{
  background-image:
    radial-gradient(ellipse 80% 60% at 20% 10%,rgba(0,119,182,.06),transparent),
    radial-gradient(ellipse 60% 50% at 80% 80%,rgba(6,214,160,.04),transparent);
}
:root .bg-grid::after{
  background-image:linear-gradient(rgba(0,0,0,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(0,0,0,.03) 1px,transparent 1px);
}
:root .navbar{background:rgba(255,255,255,.8);border-bottom-color:rgba(221,229,240,.8)}
:root .navbar.scrolled{background:rgba(255,255,255,.95)}
:root .badge{background:rgba(255,255,255,.7)}
:root .float-badge{background:rgba(255,255,255,.9)}
:root .hero-card{box-shadow:0 20px 60px rgba(0,0,0,.08)}
:root .feature-card:hover{box-shadow:0 12px 40px rgba(0,0,0,.08)}
:root .who-card ul li{border-bottom-color:rgba(221,229,240,.8)}
:root .modal-box{box-shadow:0 20px 60px rgba(0,0,0,.15)}

[data-theme="dark"] .bg-grid{
  background-image:
    radial-gradient(ellipse 80% 60% at 20% 10%,rgba(0,119,182,.12),transparent),
    radial-gradient(ellipse 60% 50% at 80% 80%,rgba(6,214,160,.08),transparent);
}
[data-theme="dark"] .bg-grid::after{
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
}
[data-theme="dark"] .navbar{background:rgba(6,11,24,.7);border-bottom-color:rgba(30,48,80,.5)}
[data-theme="dark"] .navbar.scrolled{background:rgba(6,11,24,.95)}
[data-theme="dark"] .badge{background:rgba(17,29,51,.6)}
[data-theme="dark"] .float-badge{background:rgba(17,29,51,.9)}
[data-theme="dark"] .hero-card{box-shadow:0 20px 60px rgba(0,0,0,.3)}
[data-theme="dark"] .feature-card:hover{box-shadow:0 12px 40px rgba(0,0,0,.2)}
[data-theme="dark"] .who-card ul li{border-bottom-color:rgba(30,48,80,.5)}
[data-theme="dark"] .modal-box{box-shadow:0 20px 60px rgba(0,0,0,.5)}

/* ── FOOTER ──────────────────────────────── */
.landing-footer{position:relative;z-index:1;text-align:center;padding:30px 20px;
  border-top:1px solid var(--border);font-size:12px;color:var(--muted)}
.landing-footer span{color:var(--primary-light)}

/* ── RESPONSIVE ──────────────────────────── */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-badges{justify-content:center}
  .hero-cta{justify-content:center}
  .hero-visual{max-width:500px;margin:0 auto}
  .who-grid{grid-template-columns:1fr}
  .navbar{padding:14px 20px}
}
@media(max-width:600px){
  .hero{padding:100px 20px 40px}
  .features,.who-section{padding:50px 20px}
  .features-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
}