/* ── Alias · privacy page ────────────────────────────────────────────────
   Standalone static page, no React. Mirrors the app's Wise-inspired tokens
   (see src/index.css / DESIGN.md). All CSS lives here because the site CSP is
   style-src 'self' — no inline styles allowed. */

:root {
  /* Brand & accent */
  --primary: #9fe870;
  --primary-active: #cdffad;
  --primary-pale: #e2f6d5;
  --on-primary: #0e0f0c;

  /* Text */
  --ink: #0e0f0c;
  --ink-deep: #163300;
  --body: #454745;
  --mute: #868685;

  /* Surface */
  --canvas: #ffffff;
  --canvas-soft: #e8ebe6;
  --hairline: rgba(14, 15, 12, 0.1);
  --hairline-strong: rgba(14, 15, 12, 0.16);

  /* Type */
  --font-display: "Manrope", system-ui, sans-serif;
  --font-sans: "Inter", system-ui, sans-serif;

  /* 4pt spacing scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-4xl: 72px;

  /* Radius */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-pill: 9999px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #9fe870;
    --primary-active: #b9f598;
    --primary-pale: #213019;
    --on-primary: #0e0f0c;

    --ink: #eef1ea;
    --ink-deep: #c3f5a0;
    --body: #b3b7af;
    --mute: #7c7f78;

    --canvas: #1b1e19;
    --canvas-soft: #101210;
    --hairline: rgba(238, 241, 234, 0.12);
    --hairline-strong: rgba(238, 241, 234, 0.2);
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--canvas-soft);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

::selection {
  background: var(--primary);
  color: var(--on-primary);
}

/* ── Top nav ─────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) clamp(var(--space-lg), 5vw, var(--space-3xl));
  background: color-mix(in srgb, var(--canvas-soft) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--hairline);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  display: block;
}

.nav-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--r-pill);
  background: var(--canvas);
  border: 1px solid var(--hairline-strong);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.18s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.18s;
}

.nav-back svg {
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.nav-back:hover {
  background: var(--primary);
  color: var(--on-primary);
  border-color: transparent;
}

.nav-back:hover svg {
  transform: translateX(3px);
}

/* ── Layout shell ────────────────────────────────────────────────────── */
main {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(var(--space-2xl), 6vw, var(--space-4xl))
    clamp(var(--space-lg), 5vw, var(--space-2xl)) var(--space-3xl);
}

/* ── Hero ────────────────────────────────────────────────────────────── */
.hero {
  margin-bottom: clamp(var(--space-2xl), 5vw, var(--space-3xl));
}

.eyebrow {
  margin: 0 0 var(--space-md);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-deep);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 3.9rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--ink);
  max-width: 14ch;
}

.lead {
  margin: var(--space-xl) 0 0;
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  line-height: 1.55;
  color: var(--body);
  max-width: 56ch;
}

.updated {
  margin: var(--space-xl) 0 0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--mute);
}

/* ── Essentials (green-pale highlight card, no side stripe) ──────────── */
.essentials {
  margin-bottom: clamp(var(--space-xl), 4vw, var(--space-2xl));
  padding: clamp(var(--space-xl), 4vw, var(--space-2xl));
  background: var(--primary-pale);
  border-radius: var(--r-xl);
}

.essentials h2 {
  margin: 0 0 var(--space-lg);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-deep);
}

.checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-md);
}

.checks li {
  position: relative;
  padding-left: 2.1rem;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink);
}

.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.12em;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: var(--r-pill);
  background-color: var(--primary);
  /* dark check mark drawn as a mask so it tracks --on-primary */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%230e0f0c' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round' d='M5 13l4 4L19 7'/%3E%3C/svg%3E");
  background-size: 0.95rem;
  background-position: center;
  background-repeat: no-repeat;
}

/* ── Legal sheet (white paper on sage) ───────────────────────────────── */
.sheet {
  background: var(--canvas);
  border-radius: var(--r-xl);
  padding: clamp(var(--space-xl), 5vw, var(--space-3xl));
  border: 1px solid var(--hairline);
}

.sheet section + section {
  margin-top: clamp(var(--space-2xl), 4vw, var(--space-3xl));
  padding-top: clamp(var(--space-2xl), 4vw, var(--space-3xl));
  border-top: 1px solid var(--hairline);
}

.sheet h2 {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  line-height: 1.18;
  letter-spacing: -0.018em;
  color: var(--ink);
}

.sheet p {
  margin: var(--space-md) 0;
  color: var(--body);
  max-width: 64ch;
}

.sheet ul {
  margin: var(--space-lg) 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-md);
  max-width: 64ch;
}

.sheet li {
  position: relative;
  padding-left: var(--space-xl);
  color: var(--body);
  line-height: 1.5;
}

.sheet li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: var(--r-pill);
  background: var(--primary);
}

strong {
  font-weight: 600;
  color: var(--ink);
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.84em;
  padding: 0.12em 0.42em;
  border-radius: var(--r-sm);
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  color: var(--ink);
  white-space: nowrap;
}

/* "opcional" inline tag next to the sync heading */
.opt {
  display: inline-block;
  vertical-align: middle;
  margin-left: var(--space-sm);
  padding: 0.18em 0.7em;
  border-radius: var(--r-pill);
  background: var(--primary-pale);
  color: var(--ink-deep);
  font-family: var(--font-sans);
  font-size: 0.62em;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* the one emphasized takeaway inside the sync section */
.pull {
  margin-top: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--r-lg);
  background: var(--canvas-soft);
  color: var(--ink);
  font-size: 1.05rem;
}

/* ── Contact band ────────────────────────────────────────────────────── */
.contact {
  margin-top: clamp(var(--space-xl), 4vw, var(--space-2xl));
  padding: clamp(var(--space-xl), 4vw, var(--space-2xl));
  border-radius: var(--r-xl);
  background: var(--ink);
  color: var(--canvas-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

@media (prefers-color-scheme: dark) {
  .contact {
    background: var(--canvas);
    border: 1px solid var(--hairline);
  }
}

.contact-eyebrow {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--canvas);
}

@media (prefers-color-scheme: dark) {
  .contact-eyebrow {
    color: var(--ink);
  }
}

.contact-lead {
  margin: var(--space-xs) 0 0;
  font-size: 0.95rem;
  color: color-mix(in srgb, var(--canvas-soft) 72%, transparent);
}

@media (prefers-color-scheme: dark) {
  .contact-lead {
    color: var(--mute);
  }
}

.contact-cta {
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--r-pill);
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.18s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.18s;
}

.contact-cta:hover {
  background: var(--primary-active);
  transform: translateY(-2px);
}

/* ── Footer ──────────────────────────────────────────────────────────── */
.foot {
  border-top: 1px solid var(--hairline);
  margin-top: var(--space-2xl);
}

.foot-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-2xl) clamp(var(--space-lg), 5vw, var(--space-2xl));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md) var(--space-xl);
}

.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
}

.foot-inner p {
  margin: 0;
  color: var(--mute);
  font-size: 0.9rem;
}

.foot-back {
  margin-left: auto;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink-deep);
  text-decoration: none;
}

.foot-back:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Motion: one calm entrance, respectful of reduced-motion ─────────── */
@media (prefers-reduced-motion: no-preference) {
  .hero,
  .essentials,
  .sheet,
  .contact {
    animation: rise 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) both;
  }
  .essentials {
    animation-delay: 0.06s;
  }
  .sheet {
    animation-delay: 0.12s;
  }
  .contact {
    animation-delay: 0.18s;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}