/* ============================================================
   Nexus Marketing Site — built on Signal design tokens
   Dark-first · OKLCH · IBM Plex · logical properties (RTL-safe)
   ============================================================ */

/* ---------- Tokens (from design-input/tokens.css, dark default) ---------- */
:root {
  --background: oklch(0.16 0.02 262);
  --foreground: oklch(0.96 0.005 262);
  --card: oklch(0.19 0.022 262);
  --card-foreground: oklch(0.96 0.005 262);
  --popover: oklch(0.215 0.024 262);
  --primary: oklch(0.68 0.17 275);
  --primary-foreground: oklch(0.145 0.03 275);
  --secondary: oklch(0.25 0.025 265);
  --secondary-foreground: oklch(0.92 0.01 262);
  --muted: oklch(0.225 0.02 262);
  --muted-foreground: oklch(0.72 0.02 262);
  --accent: oklch(0.27 0.045 272);
  --accent-foreground: oklch(0.95 0.01 270);
  --destructive: oklch(0.64 0.19 25);
  --border: oklch(0.28 0.02 262);
  --input: oklch(0.30 0.02 262);
  --ring: oklch(0.68 0.17 275);
  --sidebar: oklch(0.135 0.018 262);
  --radius: 0.5rem;

  /* Channel identity */
  --channel-whatsapp: oklch(0.27 0.05 152);
  --channel-whatsapp-foreground: oklch(0.85 0.11 152);
  --channel-instagram: oklch(0.27 0.06 350);
  --channel-instagram-foreground: oklch(0.85 0.10 350);
  --channel-messenger: oklch(0.27 0.06 245);
  --channel-messenger-foreground: oklch(0.84 0.09 245);
  --channel-email: oklch(0.26 0.012 262);
  --channel-email-foreground: oklch(0.80 0.015 262);
  --channel-webchat: oklch(0.27 0.06 275);
  --channel-webchat-foreground: oklch(0.84 0.09 275);

  --status-open: oklch(0.72 0.13 245);
  --status-pending: oklch(0.80 0.13 80);
  --status-resolved: oklch(0.76 0.14 152);
  --deal-won: oklch(0.76 0.14 152);

  --chart-1: oklch(0.68 0.17 275);
  --chart-2: oklch(0.72 0.13 190);
  --chart-3: oklch(0.78 0.13 80);
  --chart-4: oklch(0.72 0.14 152);
  --chart-5: oklch(0.70 0.15 350);

  /* Motion (Signal) */
  --duration-fast: 120ms;
  --duration-base: 180ms;
  --duration-slow: 240ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);

  /* Marketing extensions (proposed additions to Signal) */
  --display-2xl: clamp(2.5rem, 6vw, 4.25rem);
  --display-xl: clamp(2rem, 4.5vw, 3rem);
  --display-lg: clamp(1.5rem, 3vw, 2.125rem);
  --section-pad: clamp(4rem, 9vw, 7.5rem);
  --container: 1180px;
  --glow: 0 0 80px oklch(0.68 0.17 275 / 0.25);
  --font-sans: "IBM Plex Sans", "IBM Plex Sans Arabic", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
[dir="rtl"] body { font-size: 17px; } /* Plex Arabic runs visually smaller */
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3, [dir="rtl"] h4 { letter-spacing: 0; }
p { margin: 0; }
::selection { background: oklch(0.68 0.17 275 / 0.35); }

.container { max-width: var(--container); margin-inline: auto; padding-inline: 24px; }

/* ---------- Typography helpers ---------- */
.display-2xl { font-size: var(--display-2xl); }
.display-xl { font-size: var(--display-xl); }
.display-lg { font-size: var(--display-lg); font-weight: 600; }
.lead { font-size: 1.1875rem; color: var(--muted-foreground); line-height: 1.65; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--primary);
}
[dir="rtl"] .eyebrow { letter-spacing: 0; }
.eyebrow::before { content: ""; inline-size: 20px; block-size: 2px; background: var(--primary); border-radius: 2px; }
.text-gradient {
  background: linear-gradient(100deg, oklch(0.96 0.005 262), oklch(0.75 0.14 275) 55%, oklch(0.72 0.13 190));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.muted { color: var(--muted-foreground); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 6px; border: 1px solid transparent;
  font: 600 0.9375rem/1 var(--font-sans); cursor: pointer; white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--primary); color: var(--primary-foreground);
  box-shadow: 0 0 0 0 transparent;
}
.btn-primary:hover { box-shadow: 0 4px 24px oklch(0.68 0.17 275 / 0.45); }
.btn-secondary {
  background: transparent; color: var(--foreground); border-color: var(--border);
}
.btn-secondary:hover { background: var(--accent); border-color: var(--input); }
.btn-lg { padding: 15px 28px; font-size: 1.0625rem; border-radius: 8px; }
.btn-ghost { background: transparent; color: var(--muted-foreground); padding-inline: 14px; }
.btn-ghost:hover { color: var(--foreground); background: var(--accent); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset-block-start: 0; inset-inline: 0; z-index: 50;
  background: oklch(0.16 0.02 262 / 0.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-block-end: 1px solid oklch(0.28 0.02 262 / 0.6);
}
.nav-inner {
  display: flex; align-items: center; gap: 32px;
  block-size: 68px; max-width: var(--container); margin-inline: auto; padding-inline: 24px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 700; }
.nav-logo img { inline-size: 30px; block-size: 30px; }
.nav-links { display: flex; gap: 4px; margin-inline-start: 12px; flex: 1; }
.nav-links a {
  padding: 8px 14px; border-radius: 6px; font-size: 0.9375rem; font-weight: 500;
  color: var(--muted-foreground);
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}
.nav-links a:hover { color: var(--foreground); background: var(--accent); }
.nav-links a.active { color: var(--foreground); background: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.lang-toggle {
  border: 1px solid var(--border); background: transparent; color: var(--muted-foreground);
  border-radius: 6px; padding: 7px 12px; font: 600 0.875rem var(--font-sans); cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.lang-toggle:hover { color: var(--foreground); border-color: var(--input); background: var(--accent); }
.nav-burger { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding-block: calc(68px + clamp(4rem, 10vw, 8rem)) var(--section-pad);
  text-align: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  background-size: cover; background-position: center;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(to bottom, black 30%, transparent 95%);
  mask-image: linear-gradient(to bottom, black 30%, transparent 95%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 30%, transparent 30%, var(--background) 100%);
}
.hero .lead { max-width: 640px; margin-inline: auto; margin-block-start: 22px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; margin-block-end: 26px;
  padding: 7px 16px; border-radius: 999px;
  border: 1px solid oklch(0.68 0.17 275 / 0.4);
  background: oklch(0.68 0.17 275 / 0.1);
  color: var(--accent-foreground); font-size: 0.875rem; font-weight: 500;
}
.hero-badge .dot { inline-size: 7px; block-size: 7px; border-radius: 999px; background: var(--status-resolved); box-shadow: 0 0 8px var(--status-resolved); }
.hero-actions { display: flex; gap: 14px; justify-content: center; margin-block-start: 36px; flex-wrap: wrap; }
.hero-note { margin-block-start: 16px; font-size: 0.875rem; color: var(--muted-foreground); }

/* ---------- Product shot / browser frame ---------- */
.browser {
  margin-block-start: clamp(3rem, 6vw, 5rem);
  border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
  background: var(--card);
  box-shadow: 0 30px 90px oklch(0 0 0 / 0.5), var(--glow);
  text-align: start;
}
.browser-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; background: var(--sidebar); border-block-end: 1px solid var(--border);
}
.browser-bar .b-dot { inline-size: 11px; block-size: 11px; border-radius: 999px; background: var(--muted); }
.browser-bar .b-url {
  margin-inline-start: 12px; flex: 1; max-width: 380px;
  background: var(--muted); border-radius: 6px; padding: 5px 14px;
  font: 400 0.75rem var(--font-mono); color: var(--muted-foreground);
  direction: ltr; text-align: start;
}

/* ---------- App mockup ---------- */
.app { display: grid; grid-template-columns: 200px 300px 1fr; min-block-size: 460px; font-size: 0.8125rem; }
.app-side { background: var(--sidebar); border-inline-end: 1px solid var(--border); padding: 14px 10px; }
.app-side .s-item {
  display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: 6px;
  color: var(--muted-foreground); font-weight: 500; margin-block-end: 2px;
}
.app-side .s-item.on { background: var(--accent); color: var(--accent-foreground); }
.app-side .s-item svg { flex-shrink: 0; }
.app-list { border-inline-end: 1px solid var(--border); overflow: hidden; }
.app-list-head { padding: 13px 14px; border-block-end: 1px solid var(--border); font-weight: 600; font-size: 0.9375rem; display:flex; justify-content: space-between; align-items:center; }
.conv { padding: 11px 14px; border-block-end: 1px solid oklch(0.28 0.02 262 / 0.5); display: grid; grid-template-columns: 34px 1fr auto; gap: 10px; align-items: center; }
.conv.on { background: var(--accent); }
.conv .avatar {
  inline-size: 34px; block-size: 34px; border-radius: 999px; display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 0.75rem; color: var(--foreground); background: var(--secondary);
}
.conv .c-name { font-weight: 600; }
.conv .c-prev { color: var(--muted-foreground); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-inline-size: 180px; font-size: 0.75rem; }
.conv .c-time { color: var(--muted-foreground); font-size: 0.6875rem; }
.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 4px;
  font-size: 0.6875rem; font-weight: 500;
}
.badge-wa { background: var(--channel-whatsapp); color: var(--channel-whatsapp-foreground); }
.badge-ig { background: var(--channel-instagram); color: var(--channel-instagram-foreground); }
.badge-ms { background: var(--channel-messenger); color: var(--channel-messenger-foreground); }
.badge-em { background: var(--channel-email); color: var(--channel-email-foreground); }
.badge-wc { background: var(--channel-webchat); color: var(--channel-webchat-foreground); }
.app-thread { display: flex; flex-direction: column; background: var(--card); }
.thread-head { padding: 12px 18px; border-block-end: 1px solid var(--border); display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 0.9375rem; }
.thread-body { flex: 1; padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.bubble {
  max-inline-size: 72%; padding: 9px 13px; border-radius: 12px; line-height: 1.5;
  background: var(--secondary); color: var(--secondary-foreground);
  border-start-start-radius: 4px; align-self: flex-start;
}
.bubble.out {
  background: oklch(0.35 0.09 275); color: oklch(0.96 0.005 262);
  border-start-start-radius: 12px; border-start-end-radius: 4px; align-self: flex-end;
}
.bubble .b-meta { display: block; margin-block-start: 4px; font-size: 0.6875rem; color: var(--muted-foreground); }
.bubble.out .b-meta { color: oklch(0.85 0.03 275); }
.ai-chip {
  display: inline-flex; align-items: center; gap: 6px; align-self: flex-end;
  font-size: 0.6875rem; color: var(--primary); font-weight: 600;
}
.thread-input { margin: 0 18px 16px; border: 1px solid var(--input); border-radius: 8px; padding: 11px 14px; color: var(--muted-foreground); display: flex; justify-content: space-between; align-items: center; }

/* ---------- Sections ---------- */
.section { padding-block: var(--section-pad); position: relative; }
.section-head { max-width: 720px; margin-block-end: clamp(2.5rem, 5vw, 4rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-block-start: 14px; }
.section-head .lead { margin-block-start: 16px; }
.section-alt { background: oklch(0.14 0.018 262); border-block: 1px solid var(--border); }

/* ---------- Cards / grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 26px; transition: border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}
.card:hover { border-color: oklch(0.68 0.17 275 / 0.5); transform: translateY(-3px); box-shadow: 0 12px 40px oklch(0 0 0 / 0.35); }
.card h3 { font-size: 1.125rem; font-weight: 600; margin-block: 16px 8px; }
.card p { color: var(--muted-foreground); font-size: 0.9375rem; }
.card-icon {
  inline-size: 44px; block-size: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  background: oklch(0.68 0.17 275 / 0.14); color: var(--primary); border: 1px solid oklch(0.68 0.17 275 / 0.25);
}
.card-img { border-radius: 10px; margin-block-end: 18px; border: 1px solid var(--border); aspect-ratio: 16/10; object-fit: cover; inline-size: 100%; }

/* ---------- Feature split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5.5rem); align-items: center; }
.split + .split { margin-block-start: var(--section-pad); }
.split .eyebrow { margin-block-end: 12px; }
.split h3 { font-size: var(--display-lg); font-weight: 650; }
.split .lead { font-size: 1.0625rem; margin-block-start: 14px; }
.split ul.checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.split ul.checks li { display: flex; gap: 11px; align-items: flex-start; color: var(--secondary-foreground); font-size: 0.9875rem; }
.split ul.checks svg { flex-shrink: 0; margin-block-start: 3px; color: var(--status-resolved); }
.split-visual {
  border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--card);
  box-shadow: 0 20px 60px oklch(0 0 0 / 0.4);
}
.split-visual img { inline-size: 100%; aspect-ratio: 4/3; object-fit: cover; }
.split-visual.pad { padding: 22px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; padding: 26px 14px; border: 1px solid var(--border); border-radius: 12px; background: oklch(0.19 0.022 262 / 0.6); }
.stat .n { font-size: 2.375rem; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--foreground); }
.stat .n span { color: var(--primary); }
.stat .l { color: var(--muted-foreground); font-size: 0.875rem; margin-block-start: 6px; }

/* ---------- Logos strip ---------- */
.logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 44px; align-items: center; opacity: 0.75; }
.logos span { font: 600 1.05rem var(--font-sans); color: var(--muted-foreground); letter-spacing: 0.02em; }

/* ---------- Kanban mockup ---------- */
.kanban { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 18px; font-size: 0.8125rem; }
.kb-col { background: var(--muted); border-radius: 8px; padding: 10px; }
.kb-col .kb-head { display: flex; justify-content: space-between; font-weight: 600; padding: 4px 6px 10px; color: var(--muted-foreground); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
[dir="rtl"] .kb-col .kb-head { letter-spacing: 0; }
.kb-card { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; margin-block-end: 8px; }
.kb-card .kc-t { font-weight: 600; }
.kb-card .kc-m { display: flex; justify-content: space-between; margin-block-start: 8px; color: var(--muted-foreground); font-size: 0.6875rem; }
.kb-card .kc-v { font-family: var(--font-mono); color: var(--foreground); }
.kb-card.won { border-color: oklch(0.76 0.14 152 / 0.5); }

/* ---------- Pricing ---------- */
.pricing-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; padding: 4px; gap: 4px; margin-block-start: 26px; }
.pricing-toggle button {
  border: 0; background: transparent; color: var(--muted-foreground); padding: 8px 20px;
  border-radius: 999px; font: 600 0.875rem var(--font-sans); cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.pricing-toggle button.on { background: var(--primary); color: var(--primary-foreground); }
.plan { display: flex; flex-direction: column; position: relative; }
.plan.featured { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary), 0 20px 60px oklch(0.68 0.17 275 / 0.18); }
.plan.featured:hover { transform: none; }
.plan .p-tag {
  position: absolute; inset-block-start: -13px; inset-inline-start: 50%; transform: translateX(-50%);
  background: var(--primary); color: var(--primary-foreground); padding: 4px 14px; border-radius: 999px;
  font-size: 0.75rem; font-weight: 700; white-space: nowrap;
}
[dir="rtl"] .plan .p-tag { transform: translateX(50%); }
.plan .p-name { font-size: 1.125rem; font-weight: 600; }
.plan .p-for { color: var(--muted-foreground); font-size: 0.875rem; margin-block-start: 4px; min-block-size: 42px; }
.plan .p-price { margin-block: 18px 4px; font-size: 2.75rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.plan .p-price .cur { font-size: 1.125rem; font-weight: 600; color: var(--muted-foreground); }
.plan .p-per { color: var(--muted-foreground); font-size: 0.8125rem; margin-block-end: 20px; }
.plan ul { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 11px; flex: 1; }
.plan ul li { display: flex; gap: 10px; font-size: 0.9375rem; color: var(--secondary-foreground); align-items: flex-start; }
.plan ul li svg { flex-shrink: 0; margin-block-start: 4px; color: var(--primary); }
.plan ul li.dim { color: var(--muted-foreground); }
.plan ul li.dim svg { color: var(--muted-foreground); }
.plan .btn { margin-block-start: 26px; inline-size: 100%; }

/* ---------- Comparison table ---------- */
.cmp { inline-size: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.cmp th, .cmp td { padding: 14px 18px; text-align: start; border-block-end: 1px solid var(--border); }
.cmp thead th { font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted-foreground); }
[dir="rtl"] .cmp thead th { letter-spacing: 0; }
.cmp td:not(:first-child), .cmp th:not(:first-child) { text-align: center; }
.cmp .yes { color: var(--status-resolved); }
.cmp .no { color: var(--muted-foreground); }

/* ---------- Testimonials ---------- */
.quote { display: flex; flex-direction: column; gap: 18px; }
.quote p { font-size: 1.0625rem; color: var(--foreground); line-height: 1.7; }
.quote .q-who { display: flex; align-items: center; gap: 12px; margin-block-start: auto; }
.quote .q-who img { inline-size: 44px; block-size: 44px; border-radius: 999px; object-fit: cover; border: 1px solid var(--border); }
.quote .q-name { font-weight: 600; font-size: 0.9375rem; }
.quote .q-role { color: var(--muted-foreground); font-size: 0.8125rem; }
.stars { color: var(--status-pending); letter-spacing: 2px; font-size: 0.875rem; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin-inline: auto; display: grid; gap: 12px; }
.faq details { border: 1px solid var(--border); border-radius: 10px; background: var(--card); overflow: hidden; }
.faq summary {
  padding: 18px 22px; font-weight: 600; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.375rem; color: var(--primary); font-weight: 400; transition: transform var(--duration-base) var(--ease-out); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 22px 20px; color: var(--muted-foreground); font-size: 0.9375rem; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; text-align: center; border-radius: 20px; overflow: hidden;
  padding: clamp(3rem, 7vw, 5.5rem) 24px;
  border: 1px solid oklch(0.68 0.17 275 / 0.35);
  background:
    radial-gradient(ellipse 60% 90% at 50% 110%, oklch(0.68 0.17 275 / 0.22), transparent 70%),
    var(--card);
}
.cta-band h2 { font-size: var(--display-xl); }
.cta-band .lead { max-width: 560px; margin: 16px auto 0; }

/* ---------- Forms ---------- */
.field { display: grid; gap: 7px; }
.field label { font-size: 0.875rem; font-weight: 500; }
.field input, .field textarea, .field select {
  background: var(--muted); border: 1px solid var(--input); border-radius: 6px;
  padding: 12px 14px; color: var(--foreground); font: 400 0.9375rem var(--font-sans);
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--ring); box-shadow: 0 0 0 3px oklch(0.68 0.17 275 / 0.25);
}
.field .hint { font-size: 0.8125rem; color: var(--muted-foreground); }

/* ---------- Footer ---------- */
.footer { border-block-start: 1px solid var(--border); background: var(--sidebar); padding-block: 64px 32px; margin-block-start: var(--section-pad); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer h4 { font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted-foreground); font-weight: 600; margin-block-end: 16px; }
[dir="rtl"] .footer h4 { letter-spacing: 0; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer ul a { color: var(--muted-foreground); font-size: 0.9375rem; transition: color var(--duration-fast) var(--ease-out); }
.footer ul a:hover { color: var(--foreground); }
.footer-brand p { color: var(--muted-foreground); font-size: 0.9375rem; max-width: 300px; margin-block-start: 14px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  margin-block-start: 52px; padding-block-start: 24px; border-block-start: 1px solid var(--border);
  color: var(--muted-foreground); font-size: 0.8125rem;
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation: none !important; transition-duration: 0s !important; }
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding-block: calc(68px + 5.5rem) 3.5rem; text-align: center; position: relative; overflow: hidden; }
.page-hero .lead { max-width: 620px; margin: 18px auto 0; }
.page-hero::before {
  content: ""; position: absolute; inset-block-start: -50%; inset-inline: -10%; block-size: 120%;
  background: radial-gradient(ellipse 45% 55% at 50% 0%, oklch(0.68 0.17 275 / 0.14), transparent 70%);
  pointer-events: none;
}

/* ---------- Legal pages (privacy / terms / data deletion) ---------- */
.legal { max-width: 780px; margin-inline: auto; color: var(--secondary-foreground); font-size: 1rem; line-height: 1.75; }
.legal .legal-meta { color: var(--muted-foreground); font-size: 0.875rem; margin-block-end: 28px; }
.legal h2 { font-size: 1.375rem; font-weight: 650; color: var(--foreground); margin-block: 2.5rem 0.75rem; scroll-margin-top: 90px; }
.legal h3 { font-size: 1.0625rem; font-weight: 600; color: var(--foreground); margin-block: 1.5rem 0.5rem; }
.legal p, .legal ul, .legal ol { margin-block: 0 1rem; }
.legal ul, .legal ol { padding-inline-start: 1.4rem; display: grid; gap: 6px; }
.legal a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.legal strong { color: var(--foreground); }
.legal code { font-family: var(--font-mono); font-size: 0.875em; background: var(--muted); border: 1px solid var(--border); border-radius: 4px; padding: 1px 6px; }
.legal .toc { border: 1px solid var(--border); border-radius: 12px; background: var(--card); padding: 20px 24px; margin-block-end: 8px; }
.legal .toc ol { margin: 0; columns: 2; column-gap: 32px; display: block; }
.legal .toc li { margin-block-end: 6px; }
.legal .callout { border: 1px solid oklch(0.68 0.17 275 / 0.4); background: oklch(0.68 0.17 275 / 0.08); border-radius: 12px; padding: 18px 22px; margin-block: 1.25rem; }
.legal .callout p:last-child { margin-block-end: 0; }
.legal table { inline-size: 100%; border-collapse: collapse; font-size: 0.9375rem; margin-block: 0 1.25rem; }
.legal th, .legal td { text-align: start; padding: 10px 12px; border-block-end: 1px solid var(--border); vertical-align: top; }
.legal th { color: var(--muted-foreground); font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.05em; }
.legal .steps { counter-reset: step; list-style: none; padding: 0; gap: 14px; }
.legal .steps > li { counter-increment: step; position: relative; padding: 16px 18px 16px 58px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); }
[dir="rtl"] .legal .steps > li { padding: 16px 58px 16px 18px; }
.legal .steps > li::before { content: counter(step); position: absolute; inset-inline-start: 16px; inset-block-start: 14px; inline-size: 28px; block-size: 28px; border-radius: 999px; display: grid; place-items: center; background: var(--primary); color: var(--primary-foreground); font-weight: 700; font-size: 0.875rem; }
@media (max-width: 860px) { .legal .toc ol { columns: 1; } .legal table { font-size: 0.8125rem; } }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .app { grid-template-columns: 250px 1fr; }
  .app-side { display: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-links { display: none; position: fixed; inset-block-start: 68px; inset-inline: 0; flex-direction: column; background: var(--sidebar); padding: 16px 20px 24px; border-block-end: 1px solid var(--border); gap: 6px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; font-size: 1.0625rem; }
  .nav-burger { display: inline-flex; background: none; border: 1px solid var(--border); border-radius: 6px; color: var(--foreground); padding: 8px 10px; cursor: pointer; }
  .nav-cta .btn-secondary { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split.flip .split-visual { order: -1; }
  .app { grid-template-columns: 1fr; }
  .app-list { display: none; }
  .kanban { grid-template-columns: 1fr; }
  .cmp { font-size: 0.8125rem; }
  .cmp th, .cmp td { padding: 10px 8px; }
}