/* Nadfny site. Shares Dawsha's tokens on purpose: the two are sibling apps. */
:root {
  --bg: #0c0e12;
  --surface: #11141a;
  --surface-2: #171b23;
  --border: #232833;
  --text: #d6dae3;
  --muted: #8a93a6;
  --heading: #eef1f6;
  --accent: #34d399;
  --accent-hover: #5fe3b4;
  --on-accent: #06281c;
  --radius: 10px;
  --radius-sm: 6px;
  --lift: 0 6px 24px rgb(4 8 14 / 0.4);
  --font-head: "Bricolage Grotesque", "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--radius-sm); }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.12; margin: 0; color: var(--heading); text-wrap: balance; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0; }
code { font-family: var(--font-mono); font-size: 0.88em; color: var(--heading); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
section { padding: 96px 0; }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 46ch; margin-top: 20px; text-wrap: pretty; }
.section-lead { color: var(--muted); margin-top: 14px; max-width: 62ch; text-wrap: pretty; }

.skip { position: absolute; left: 16px; top: -60px; background: var(--accent); color: var(--on-accent); padding: 8px 14px; border-radius: var(--radius); z-index: 20; }
.skip:focus { top: 12px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgb(12 14 18 / 0.86); -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%); border-bottom: 1px solid var(--border); }
.nav-row { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--heading); font: 700 1.1rem var(--font-head); text-decoration: none; }
.brand img { border-radius: 7px; }
.nav nav { display: flex; gap: 24px; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.nav nav a:hover { color: var(--text); }
.lang-switch { flex: none; padding: 6px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); font: 600 0.86rem var(--font-body); text-decoration: none; }
.lang-switch:hover { border-color: var(--accent); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 22px; border-radius: var(--radius-sm); border: 1px solid transparent; font: 600 1rem/1 var(--font-body); text-decoration: none; white-space: nowrap; transition: transform 0.15s var(--ease), background-color 0.15s, border-color 0.15s; }
.btn.primary { background: var(--accent); color: var(--on-accent); box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.18); }
.btn.primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn.secondary { border-color: #2f3644; color: var(--text); }
.btn.secondary:hover { border-color: #4a5262; background: var(--surface); transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }
.btn svg { width: 20px; height: 20px; flex: none; fill: currentColor; }
.btn.download { min-height: 56px; padding: 9px 22px 9px 18px; }
.btn-label { display: grid; gap: 3px; text-align: start; }
.btn-title { font-size: 1rem; font-weight: 650; line-height: 1.15; }
.btn-meta { font-size: 0.78rem; font-weight: 500; line-height: 1.2; opacity: 0.8; }
.cta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 32px; }

/* Screens */
.shot { margin: 0; padding: 8px; border-radius: 14px; background: var(--surface-2); box-shadow: var(--lift); }
.shot img { border-radius: var(--radius-sm); }
.shot.glow { position: relative; }
.shot.glow::before { content: ""; position: absolute; inset: -14% -8% -6%; z-index: -1; background: radial-gradient(55% 55% at 55% 45%, rgb(52 211 153 / 0.16), transparent 70%); pointer-events: none; }

/* Hero */
.hero { padding: 72px 0 80px; overflow: hidden; }
.hero-grid { display: grid; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(2.5rem, 5vw, 3.6rem); letter-spacing: -0.025em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.meaning { margin-top: 18px; color: var(--muted); font-size: 0.95rem; }
.meaning bdi { color: var(--heading); font-weight: 600; }

/* Proof strip: real numbers measured on a real machine */
.proof { padding: 30px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--surface); }
.proof dl { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin: 0; }
.proof dt { font: 700 1.9rem/1.1 var(--font-head); color: var(--heading); letter-spacing: -0.01em; }
.proof dd { margin: 6px 0 0; color: var(--muted); font-size: 0.92rem; }

/* Feature rows */
.feat-row { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; margin-top: 64px; }
.feat-row.flip { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.feat-row.flip .feat-copy { order: 2; }
.feat-copy p { color: var(--muted); margin-top: 12px; }
.feat-copy ul { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.feat-copy li { position: relative; padding-inline-start: 22px; color: var(--text); font-size: 0.98rem; }
.feat-copy li::before { content: ""; position: absolute; inset-inline-start: 2px; top: 0.62em; width: 8px; height: 8px; border-radius: 2px; background: var(--accent); }

/* More areas: a list, not cards */
.areas { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 56px; margin-top: 56px; border-top: 1px solid var(--border); }
.area { display: grid; grid-template-columns: 40px 1fr; gap: 16px; padding: 26px 0; border-bottom: 1px solid var(--border); }
.area-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: rgb(52 211 153 / 0.1); color: var(--accent); }
.area-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.area h3 { font-size: 1.08rem; }
.area p { color: var(--muted); margin-top: 6px; font-size: 0.97rem; }

/* Safety */
#safety { background: radial-gradient(60% 70% at 15% 30%, rgb(52 211 153 / 0.07), transparent 70%); border-top: 1px solid var(--border); }
.safety-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); gap: 56px; align-items: start; }
.guarantees { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
.guarantees li { display: grid; grid-template-columns: 28px 1fr; gap: 14px; }
.check { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: var(--on-accent); }
.check svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.guarantees strong { display: block; color: var(--heading); font-weight: 600; }
.guarantees span { color: var(--muted); font-size: 0.97rem; }

/* Download */
#download { border-top: 1px solid var(--border); }
.dl-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 40px; }
.dl-card { display: grid; gap: 14px; align-content: start; padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.dl-card.featured { border-color: rgb(52 211 153 / 0.45); background: linear-gradient(180deg, rgb(52 211 153 / 0.06), transparent 60%), var(--surface); }
.dl-card h3 { font-size: 1.3rem; }
.dl-card p { color: var(--muted); font-size: 0.96rem; }
.dl-card .btn { justify-self: start; }
.dl-file { font: 400 0.82rem var(--font-mono); color: var(--muted); }
.note { color: var(--muted); margin-top: 28px; max-width: 80ch; font-size: 0.95rem; }
.note strong { color: var(--text); font-weight: 600; }

/* Closing + footer */
.closing { text-align: center; border-top: 1px solid var(--border); }
.closing .section-lead { margin-inline: auto; }
.closing .cta { justify-content: center; }
.footer { border-top: 1px solid var(--border); padding: 32px 0; font-size: 0.95rem; }
.foot-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; color: var(--muted); }
.foot-row ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.foot-row a { color: var(--text); }

/* Arabic */
[dir="rtl"] body, [dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3, [dir="rtl"] .brand, [dir="rtl"] .btn { font-family: "IBM Plex Sans Arabic", "Segoe UI", sans-serif; }
[dir="rtl"] .hero h1 { letter-spacing: 0; line-height: 1.3; }
[dir="rtl"] h2 { letter-spacing: 0; line-height: 1.35; }
[dir="rtl"] code, [dir="rtl"] .dl-file { direction: ltr; unicode-bidi: isolate; }

/* Reveal: content is visible without JS; motion only enhances it. */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.js .hero .reveal { transition-delay: calc(var(--i, 0) * 90ms); }

@media (min-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 4.4fr) minmax(0, 6.6fr); }
}
@media (max-width: 900px) {
  section { padding: 68px 0; }
  .feat-row, .feat-row.flip, .safety-grid { grid-template-columns: 1fr; gap: 28px; }
  .feat-row.flip .feat-copy { order: 0; }
  .areas { grid-template-columns: 1fr; }
  .proof dl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav nav a:not(.keep) { display: none; }
  .hero { padding-top: 40px; }
  .cta .btn { flex: 1 1 100%; }
  .dl-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .js .reveal { transition: none; }
  .btn:hover, .btn:active { transform: none; }
  .js .reveal { opacity: 1; transform: none; }
}

.area-icon .ph, .area-icon .ph-fill { font-size: 22px; }
.check .ph-fill { font-size: 15px; }

/* ---------- Safety: icon tiles (shared language with the feature list) ---------- */
.guarantees { gap: 0; border-top: 1px solid var(--border); }
.guarantees li { grid-template-columns: 40px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.g-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: rgb(52 211 153 / 0.1); color: var(--accent); font-size: 21px; }
.guarantees span:not(.g-icon) { display: block; margin-top: 2px; }

/* ---------- Download panel ---------- */
.dl-panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 44px;
  border-radius: 22px;
  background:
    radial-gradient(70% 90% at 100% 0%, rgb(52 211 153 / 0.14), transparent 60%),
    radial-gradient(50% 60% at 0% 100%, rgb(52 211 153 / 0.06), transparent 70%),
    linear-gradient(180deg, #131720, #0f1218);
  border: 1px solid rgb(255 255 255 / 0.07);
  box-shadow: 0 1px 0 rgb(255 255 255 / 0.06) inset, 0 30px 80px rgb(0 0 0 / 0.35);
}
.dl-panel::before {
  /* faint grid that fades out: depth without decoration noise */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgb(255 255 255 / 0.035) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(80% 80% at 85% 10%, #000, transparent 70%);
}
.dl-head { display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: center; }
.dl-appicon { width: 72px; height: 72px; filter: drop-shadow(0 10px 30px rgb(52 211 153 / 0.25)); }
.dl-head h2 { margin-top: 8px; }
.dl-head p { color: var(--muted); margin-top: 6px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 4px 11px 4px 9px; border-radius: 999px; background: rgb(52 211 153 / 0.1); border: 1px solid rgb(52 211 153 / 0.25); color: var(--accent); font-size: 0.82rem; font-weight: 600; }
.pill-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgb(52 211 153 / 0.2); }

.dl-options { display: grid; gap: 12px; margin-top: 34px; }
.dl-option {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto 24px;
  align-items: center;
  gap: 18px;
  padding: 18px 22px 18px 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgb(255 255 255 / 0.02);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s var(--ease), border-color 0.2s, background-color 0.2s;
}
.dl-option:hover { border-color: #3a4252; background: rgb(255 255 255 / 0.04); transform: translateY(-2px); }
.dl-option:active { transform: scale(0.99); }
.dl-option.primary { border-color: rgb(52 211 153 / 0.45); background: linear-gradient(90deg, rgb(52 211 153 / 0.12), rgb(52 211 153 / 0.03)); }
.dl-option.primary:hover { border-color: var(--accent); }
.dl-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--surface-2); color: var(--text); font-size: 22px; }
.dl-option.primary .dl-icon { background: var(--accent); color: var(--on-accent); }
.dl-text strong { display: block; font: 600 1.12rem var(--font-head); color: var(--heading); }
.dl-text > span { display: block; margin-top: 3px; color: var(--muted); font-size: 0.94rem; }
.dl-size { font: 500 0.85rem var(--font-mono); color: var(--muted); padding: 4px 9px; border-radius: 999px; background: rgb(255 255 255 / 0.05); white-space: nowrap; }
.dl-arrow { font-size: 20px; color: var(--muted); transition: transform 0.2s var(--ease), color 0.2s; }
.dl-option:hover .dl-arrow { transform: translateX(4px); color: var(--accent); }
[dir="rtl"] .dl-arrow { transform: scaleX(-1); }
[dir="rtl"] .dl-option:hover .dl-arrow { transform: scaleX(-1) translateX(4px); }

.dl-facts { display: flex; flex-wrap: wrap; gap: 10px 26px; list-style: none; margin: 28px 0 0; padding: 22px 0 0; border-top: 1px solid rgb(255 255 255 / 0.06); color: var(--muted); font-size: 0.92rem; }
.dl-facts li { display: inline-flex; align-items: center; gap: 8px; }
.dl-facts .ph { color: var(--accent); font-size: 17px; }
.dl-facts a { color: inherit; text-decoration-color: rgb(138 147 166 / 0.5); }
.dl-facts a:hover { color: var(--text); }

.dl-tip { display: flex; gap: 10px; align-items: flex-start; max-width: 80ch; margin: 22px 4px 0; color: var(--muted); font-size: 0.9rem; }
.dl-tip .ph { color: var(--muted); font-size: 18px; margin-top: 2px; flex: none; }
.dl-tip strong { color: var(--text); font-weight: 600; }

@media (max-width: 640px) {
  .dl-panel { padding: 26px 20px; border-radius: 18px; }
  .dl-head { grid-template-columns: 1fr; gap: 16px; }
  .dl-appicon { width: 56px; height: 56px; }
  .dl-option { grid-template-columns: 40px minmax(0, 1fr) 20px; gap: 14px; padding: 16px; }
  .dl-icon { width: 40px; height: 40px; font-size: 19px; }
  .dl-size { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .dl-option, .dl-arrow { transition: none; }
  .dl-option:hover, .dl-option:active, .dl-option:hover .dl-arrow { transform: none; }
}
.guarantees .g-icon { color: var(--accent); }