/* MediDrone — public site & login */
:root {
  --bg: #F4F7F9;
  --surface: #FFFFFF;
  --surface-2: #EDF3F6;
  --ink: #0C1E26;
  --ink-2: #29404A;
  --muted: #5C707A;
  --line: #DCE6EB;
  --brand: #0E8C8A;
  --brand-strong: #08605E;
  --brand-soft: #E1F3F2;
  --red: #E2434B;
  --red-soft: #FDEBEC;
  --amber: #D98B0B;
  --mon-bg: #07121A;
  --mon-panel: #0D1C25;
  --mon-line: #1A303C;
  --mon-text: #E4F0F4;
  --mon-muted: #7E98A4;
  --mon-temp: #FFB547;
  --mon-resp: #3DD6EA;
  --mon-ok: #3DDC97;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(12, 30, 38, .05), 0 12px 32px -8px rgba(12, 30, 38, .10);
  --font: "IBM Plex Sans Arabic", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent); outline-offset: 3px; border-radius: 8px; }

.container { width: min(1180px, 100% - 32px); margin-inline: auto; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; direction: ltr; unicode-bidi: isolate; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 22px; border-radius: 12px; border: 1px solid transparent;
  font-weight: 600; font-size: 15.5px; transition: background .2s, border-color .2s, transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px -6px rgba(14, 140, 138, .6); }
.btn-primary:hover { background: var(--brand-strong); transform: translateY(-1px); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-strong); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 14.5px; border-radius: 10px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.site-header .container { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: -.01em; }
.brand img { width: 36px; height: 36px; }
.brand small { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--muted); font-weight: 500; line-height: 1; margin-top: 2px; }
.brand-text { line-height: 1.15; }
.nav { display: flex; gap: 4px; margin-inline-start: auto; }
.nav a { padding: 8px 14px; border-radius: 10px; color: var(--ink-2); font-weight: 500; font-size: 15px; transition: background .2s, color .2s; }
.nav a:hover { background: var(--surface-2); color: var(--ink); }
.header-cta { margin-inline-start: 8px; }
.menu-btn { display: none; margin-inline-start: auto; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); align-items: center; justify-content: center; }
.menu-btn svg { width: 22px; height: 22px; }

/* ---------- hero ---------- */
.hero { position: relative; padding: 56px 0 88px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto auto; width: 70%; height: 120%;
  background: radial-gradient(closest-side, rgba(14, 140, 138, .13), transparent 70%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; }
.status-pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px;
  font-size: 14px; color: var(--ink-2); font-weight: 500; box-shadow: var(--shadow);
}
.status-pill .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); position: relative; }
.status-pill.online .dot { background: #18B26B; }
.status-pill.online .dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid #18B26B; animation: ping 1.8s ease-out infinite; }
.status-pill.standby .dot { background: var(--brand); }
@keyframes ping { from { transform: scale(.6); opacity: .9; } to { transform: scale(1.8); opacity: 0; } }

.hero h1 {
  font-size: clamp(36px, 5.2vw, 60px); line-height: 1.22; margin: 22px 0 18px; font-weight: 700; letter-spacing: -.015em;
}
.hero h1 em { font-style: normal; color: var(--brand); }
.hero .lead { font-size: 18.5px; color: var(--ink-2); max-width: 34em; margin: 0 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 38px; padding-top: 26px; border-top: 1px solid var(--line); font-size: 14.5px; color: var(--muted); }
.hero-facts span { display: inline-flex; align-items: center; gap: 8px; }
.hero-facts svg { width: 18px; height: 18px; color: var(--brand); }

/* hero monitor mock */
.hero-visual { position: relative; }
.mock {
  position: relative; background: var(--mon-bg); color: var(--mon-text); border-radius: 22px; padding: 14px;
  box-shadow: 0 40px 80px -30px rgba(7, 18, 26, .55), 0 0 0 1px rgba(255, 255, 255, .04) inset;
  transform: perspective(1400px) rotateY(6deg) rotateX(2deg);
}
.mock-top { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--mon-muted); padding: 4px 6px 12px; }
.mock-top b { color: var(--mon-text); font-weight: 600; }
.rec { width: 8px; height: 8px; border-radius: 50%; background: #FF4D5E; box-shadow: 0 0 0 4px rgba(255, 77, 94, .18); animation: blink 1.4s steps(2) infinite; }
@keyframes blink { 50% { opacity: .25; } }
.mock-tag { margin-inline-start: auto; font-size: 11.5px; border: 1px solid var(--mon-line); border-radius: 999px; padding: 2px 10px; }
.mock-cam {
  position: relative; aspect-ratio: 16 / 10; border-radius: 14px; overflow: hidden;
  background:
    radial-gradient(60% 70% at 55% 55%, rgba(61, 214, 234, .10), transparent 70%),
    repeating-linear-gradient(115deg, #0B1A22 0 14px, #0C1C25 14px 28px);
}
.mock-cam svg.patient { position: absolute; inset: 0; width: 100%; height: 100%; }
.mock-cam .roi {
  position: absolute; inset: 30% 25% 15% 25%; border: 1.5px dashed rgba(61, 214, 234, .75); border-radius: 10px;
}
.mock-cam .roi span { position: absolute; top: -26px; inset-inline-start: 0; font-size: 11.5px; color: var(--mon-resp); background: rgba(7, 18, 26, .7); padding: 1px 8px; border-radius: 6px; }
.mock-cam .corner { position: absolute; width: 18px; height: 18px; border-color: rgba(228, 240, 244, .55); border-style: solid; }
.mock-cam .c1 { top: 10px; right: 10px; border-width: 2px 2px 0 0; }
.mock-cam .c2 { top: 10px; left: 10px; border-width: 2px 0 0 2px; }
.mock-cam .c3 { bottom: 10px; right: 10px; border-width: 0 2px 2px 0; }
.mock-cam .c4 { bottom: 10px; left: 10px; border-width: 0 0 2px 2px; }
.mock-vitals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
.mv { background: var(--mon-panel); border: 1px solid var(--mon-line); border-radius: 12px; padding: 10px 12px; }
.mv small { display: block; font-size: 12px; color: var(--mon-muted); }
.mv b { direction: ltr; unicode-bidi: isolate; font-family: var(--mono); font-size: 28px; font-weight: 600; line-height: 1.25; }
.mv i { font-style: normal; font-size: 12px; color: var(--mon-muted); margin-inline-start: 4px; }
.mv.temp b { color: var(--mon-temp); }
.mv.resp b { color: var(--mon-resp); }
.mv.state b { direction: rtl; font-family: var(--font); font-size: 20px; color: var(--mon-ok); line-height: 1.7; }
.mock-wave { width: 100%; height: 64px; margin-top: 10px; border-radius: 12px; background: var(--mon-panel); border: 1px solid var(--mon-line); }
.float-chip {
  position: absolute; display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 10px 14px; box-shadow: var(--shadow); font-size: 13.5px; font-weight: 500;
}
.float-chip svg { width: 22px; height: 22px; }
.chip-a { top: -18px; inset-inline-start: -22px; color: var(--ink-2); }
.chip-a svg { color: var(--brand); }
.chip-b { bottom: -26px; inset-inline-end: 28px; }
.chip-b .ic { width: 34px; height: 34px; border-radius: 10px; background: var(--red-soft); color: var(--red); display: grid; place-items: center; }
.chip-b small { display: block; color: var(--muted); font-size: 12px; font-weight: 400; line-height: 1.3; }

/* ---------- sections ---------- */
section.block { padding: 96px 0; }
.section-head { max-width: 680px; margin-bottom: 48px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-strong); font-weight: 600; font-size: 14px; letter-spacing: .02em; margin-bottom: 12px; }
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--brand); border-radius: 2px; }
.section-head h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.3; margin: 0 0 14px; letter-spacing: -.01em; }
.section-head p { color: var(--muted); font-size: 17.5px; margin: 0; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; position: relative; }
.step { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px 24px; }
.step-num { font-family: var(--mono); font-size: 13px; color: var(--brand-strong); background: var(--brand-soft); border-radius: 8px; padding: 2px 9px; display: inline-block; }
.step .ic { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: var(--surface-2); color: var(--ink); margin: 18px 0 14px; }
.step .ic svg { width: 24px; height: 24px; }
.step h3 { font-size: 19px; margin: 0 0 6px; }
.step p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* sensors */
.sensors { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.sensor {
  display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: start;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  transition: border-color .25s, box-shadow .25s;
}
.sensor:hover { border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); box-shadow: var(--shadow); }
.sensor .ic { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; }
.sensor .ic svg { width: 28px; height: 28px; }
.ic-teal { background: var(--brand-soft); color: var(--brand-strong); }
.ic-amber { background: #FFF3DE; color: #B06F00; }
.ic-violet { background: #EFEAFE; color: #5B3FD0; }
.ic-red { background: var(--red-soft); color: #B4232B; }
.sensor h3 { margin: 2px 0 6px; font-size: 20px; }
.sensor p { margin: 0 0 14px; color: var(--muted); font-size: 15.5px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-size: 13px; padding: 3px 11px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); }

/* control room band */
.band { background: var(--mon-bg); color: var(--mon-text); border-radius: 28px; padding: 64px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; overflow: hidden; position: relative; }
.band::after { content: ""; position: absolute; width: 520px; height: 520px; inset: auto -160px -260px auto; background: radial-gradient(closest-side, rgba(61, 214, 234, .14), transparent); }
.band .eyebrow { color: var(--mon-resp); }
.band .eyebrow::before { background: var(--mon-resp); }
.band h2 { font-size: clamp(28px, 3.4vw, 38px); line-height: 1.3; margin: 0 0 14px; }
.band p { color: var(--mon-muted); margin: 0 0 28px; font-size: 17px; }
.band .btn-primary { background: var(--mon-resp); color: #04232A; box-shadow: none; }
.band .btn-primary:hover { background: #7BE6F3; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; position: relative; z-index: 1; }
.feature { background: var(--mon-panel); border: 1px solid var(--mon-line); border-radius: 16px; padding: 20px; }
.feature svg { width: 22px; height: 22px; color: var(--mon-resp); margin-bottom: 10px; }
.feature h4 { margin: 0 0 4px; font-size: 16.5px; }
.feature p { margin: 0; font-size: 14.5px; color: var(--mon-muted); }

/* trust */
.trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.trust-item { padding: 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.trust-item svg { width: 26px; height: 26px; color: var(--brand); margin-bottom: 12px; }
.trust-item h3 { margin: 0 0 6px; font-size: 18px; }
.trust-item p { margin: 0; color: var(--muted); font-size: 15px; }
.disclaimer { margin-top: 18px; display: flex; gap: 14px; align-items: flex-start; padding: 18px 22px; border-radius: 14px; background: #FFF8EB; border: 1px solid #F5DFB3; color: #6B4A08; font-size: 15px; }
.disclaimer svg { width: 22px; height: 22px; flex: none; margin-top: 3px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0 40px; margin-top: 40px; color: var(--muted); font-size: 14.5px; }
.site-footer .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- login ---------- */
.login-page { min-height: 100vh; display: grid; grid-template-columns: 1fr 1.05fr; }
.login-form-side { display: flex; flex-direction: column; padding: 32px clamp(20px, 6vw, 80px); background: var(--surface); }
.login-form-side .brand { margin-bottom: auto; }
.login-card { width: 100%; max-width: 400px; margin: 48px auto; }
.login-card h1 { font-size: 30px; margin: 0 0 6px; }
.login-card > p { color: var(--muted); margin: 0 0 32px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: 14.5px; margin-bottom: 8px; color: var(--ink-2); }
.input-wrap { position: relative; }
.input-wrap svg { position: absolute; inset-inline-start: 14px; top: 50%; transform: translateY(-50%); width: 19px; height: 19px; color: var(--muted); pointer-events: none; }
.field input {
  width: 100%; height: 52px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--bg);
  padding: 0 46px 0 14px; font: inherit; font-size: 16px; color: var(--ink); transition: border-color .2s, background .2s, box-shadow .2s;
}
.field input:focus { outline: none; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 4px rgba(14, 140, 138, .12); }
.toggle-pw { position: absolute; inset-inline-end: 8px; top: 50%; transform: translateY(-50%); background: none; border: 0; color: var(--muted); padding: 8px; border-radius: 8px; }
.toggle-pw svg { position: static; transform: none; width: 19px; height: 19px; }
.form-error { display: none; gap: 10px; align-items: center; background: var(--red-soft); color: #A61E26; border-radius: 12px; padding: 12px 14px; font-size: 14.5px; margin-bottom: 18px; }
.form-error.show { display: flex; }
.form-error svg { width: 18px; height: 18px; flex: none; }
.login-card .btn { width: 100%; height: 52px; margin-top: 8px; }
.btn[disabled] { opacity: .7; pointer-events: none; }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid rgba(255, 255, 255, .35); border-top-color: #fff; animation: spin .8s linear infinite; display: none; }
.loading .spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }
.login-foot { margin-top: auto; font-size: 13.5px; color: var(--muted); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.login-foot a:hover { color: var(--brand-strong); }

.login-visual { position: relative; background: var(--mon-bg); color: var(--mon-text); display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(32px, 5vw, 64px); overflow: hidden; }
.login-visual canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.login-visual .copy { position: relative; max-width: 460px; }
.login-visual h2 { font-size: clamp(26px, 2.8vw, 34px); line-height: 1.35; margin: 0 0 12px; }
.login-visual p { color: var(--mon-muted); margin: 0; }
.login-visual .live-row { display: flex; gap: 12px; margin-bottom: 28px; flex-wrap: wrap; }
.login-visual .mv { min-width: 130px; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; gap: 64px; }
  .mock { transform: none; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .band { grid-template-columns: 1fr; padding: 44px 28px; }
  .trust { grid-template-columns: 1fr; }
  .login-page { grid-template-columns: 1fr; }
  .login-visual { display: none; }
}
@media (max-width: 760px) {
  .nav, .header-cta { display: none; }
  .menu-btn { display: inline-flex; }
  .site-header.open .nav {
    display: flex; flex-direction: column; position: absolute; top: 72px; inset-inline: 0; padding: 12px 16px 18px;
    background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  .site-header.open .nav a { padding: 12px 14px; }
  .hero { padding: 28px 0 64px; }
  .hero .lead { font-size: 17px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .sensors, .features { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .sensor { grid-template-columns: 1fr; padding: 22px; }
  section.block { padding: 64px 0; }
  .chip-a { inset-inline-start: 8px; top: -22px; }
  .chip-b { inset-inline-end: 8px; bottom: -26px; }
  .mv b { font-size: 22px; }
  .mv.state b { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}