/* ─── Vitanzo Shared Stylesheet ─────────────────────────────────────────────
   Production build — April 2026
   Spec: design/website-spec-v2.md (John, Head of Design)
   Built by: Jenny (Website)
   ─────────────────────────────────────────────────────────────────────────── */

/* ─── Design Tokens (inlined from vitanzo-business/design/tokens/tokens.css) ──
   Source of truth: Max, Corporate Identity & Corporate Design.
   Inlined here because @import of a cross-repo path fails in production.
   When tokens.css is updated, re-inline this block.
   ─────────────────────────────────────────────────────────────────────────── */

/*
 * Vitanzo Design Tokens — Canonical CSS Custom Properties
 * Version: 1.0 — April 2026
 * Owner: Max, Corporate Identity & Corporate Design
 */


/* ==========================================================================
   1. COLOUR — Semantic roles
   ========================================================================== */

:root {

  /* --- Surfaces --- */

  --color-background:           #F4F6FA;
  --color-background-app:       #0E1119;
  --color-background-grouped:   #ECEEF3;
  --color-surface-primary:      #FFFFFF;
  --color-surface-secondary:    #F0F2F6;
  --color-surface-interactive:  #E9EBF0;
  --color-surface-accent-tint:  #EBF4FF;

  /* --- Text --- */

  --color-text-primary:         #111827;
  --color-text-secondary:       #6B7280;
  --color-text-inverse:         #FFFFFF;

  /* --- Borders --- */

  --color-border:               #E5E7EB;
  --color-border-strong:        #D1D5DB;

  /* --- Accent --- */

  --color-accent:               #0074C8;
  --color-accent-pressed:       #005FA3;

  /* --- Semantic foreground states --- */

  --color-success:              #16A34A;
  --color-warning:              #D97706;
  --color-error:                #DC2626;
  --color-info:                 #0074C8;

  /* --- Semantic background tints --- */

  --color-success-tint:         #F0FDF4;
  --color-warning-tint:         #FFFBEB;
  --color-error-tint:           #FEF2F2;
  --color-info-tint:            #EBF4FF;

  /* --- Data visualisation series --- */

  --color-series-1:             #0074C8;
  --color-series-2:             #2D907C;
  --color-series-3:             #45A054;
  --color-series-4:             #D97706;
  --color-series-5:             #DC2626;

  /* --- Illustration tokens --- */

  --color-gradient-dial-start:  #0074C8;
  --color-gradient-dial-mid:    #0074C8;
  --color-gradient-dial-end:    #16A34A;

  /* --- Special section tokens --- */

  --color-after40-start:        #0074C8;
  --color-after40-end:          #0056A3;

}

@media (prefers-color-scheme: dark) {
  :root {

    /* --- Surfaces --- */

    --color-background:           #131620;
    --color-background-grouped:   #181C26;
    --color-surface-primary:      #1E2233;
    --color-surface-secondary:    #252A3A;
    --color-surface-interactive:  #2D3346;
    --color-surface-accent-tint:  #0C2742;

    /* --- Text --- */

    --color-text-primary:         #ECEEF2;
    --color-text-secondary:       #9BA2AE;
    --color-text-inverse:         #111827;

    /* --- Borders --- */

    --color-border:               #2B303E;
    --color-border-strong:        #3A3F52;

    /* --- Accent --- */

    --color-accent:               #3B9FE8;
    --color-accent-pressed:       #3996DE;

    /* --- Semantic foreground states --- */

    --color-success:              #22C55E;
    --color-warning:              #F5A31A;
    --color-error:                #F05050;
    --color-info:                 #3B9FE8;

    /* --- Semantic background tints --- */

    --color-success-tint:         #072F18;
    --color-warning-tint:         #1D1502;
    --color-error-tint:           #200808;
    --color-info-tint:            #0C2137;

    /* --- Data visualisation series --- */

    --color-series-1:             #3B9FE8;
    --color-series-2:             #45BFA6;
    --color-series-3:             #64C972;
    --color-series-4:             #F5A31A;
    --color-series-5:             #F05050;

    /* --- Illustration tokens — dark mode --- */

    --color-gradient-dial-start:  #3B9FE8;
    --color-gradient-dial-mid:    #3B9FE8;
    --color-gradient-dial-end:    #22C55E;

  }
}


/* ==========================================================================
   2. TYPOGRAPHY
   ========================================================================== */

:root {

  --font-family-base:         'Manrope', system-ui, -apple-system, sans-serif;
  --font-smoothing:           antialiased;

  --font-size-display:        clamp(2.25rem, 5vw, 3.5rem);
  --font-weight-display:      800;
  --line-height-display:      1.1;
  --letter-spacing-display:  -0.02em;

  --font-size-h1:             clamp(2.25rem, 5vw, 3.25rem);
  --font-weight-h1:           800;
  --line-height-h1:           1.15;
  --letter-spacing-h1:       -0.02em;

  --font-size-h2:             clamp(1.5rem, 3.5vw, 2.25rem);
  --font-weight-h2:           700;
  --line-height-h2:           1.2;
  --letter-spacing-h2:       -0.02em;

  --font-size-h3:             clamp(1.35rem, 3vw, 1.75rem);
  --font-weight-h3:           700;
  --line-height-h3:           1.25;
  --letter-spacing-h3:       -0.015em;

  --font-size-card-title:     1.1rem;
  --font-weight-card-title:   700;
  --line-height-card-title:   1.3;
  --letter-spacing-card-title:-0.01em;

  --font-size-body-large:     1.05rem;
  --font-weight-body-large:   400;
  --line-height-body-large:   1.65;

  --font-size-body:           1rem;
  --font-weight-body:         400;
  --line-height-body:         1.65;

  --font-size-body-small:     0.95rem;
  --font-weight-body-small:   400;
  --line-height-body-small:   1.65;

  --font-size-label:          0.875rem;
  --font-weight-label:        500;
  --line-height-label:        1.4;

  --font-size-eyebrow:        11px;
  --font-weight-eyebrow:      700;
  --line-height-eyebrow:      1;
  --letter-spacing-eyebrow:   0.1em;

  --font-size-caption:        0.75rem;
  --font-weight-caption:      400;
  --line-height-caption:      1.5;
  --letter-spacing-caption:   0.02em;

  --font-size-min-body-ios:   16px;
  --font-size-min-label-ios:  14px;

  --prose-max-width:          640px;

}


/* ==========================================================================
   3. SPACING
   ========================================================================== */

:root {

  --space-1:   4px;
  --space-2:   8px;
  --space-3:   12px;
  --space-4:   16px;
  --space-6:   24px;
  --space-8:   32px;
  --space-12:  48px;
  --space-16:  64px;
  --space-20:  80px;
  --space-24:  96px;

  --page-margin-mobile:   var(--space-4);
  --page-margin-desktop:  var(--space-8);

  --container-max-width:  1080px;

}


/* ==========================================================================
   4. RADIUS
   ========================================================================== */

:root {

  --radius-card:    24px;
  --radius-btn:     18px;
  --radius-control: 18px;
  --radius-badge:   12px;
  --radius-tile:    20px;
  --radius-icon:    14px;
  --radius-pill:    40px;
  --radius-faq:     16px;

}


/* ==========================================================================
   5. SHADOW
   ========================================================================== */

:root {

  --shadow-card:    0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-overlay: 0 8px 16px rgba(0, 0, 0, 0.10);

}


/* ==========================================================================
   6. MOTION
   ========================================================================== */

:root {

  --duration-fast:    150ms;
  --duration-base:    200ms;
  --duration-slow:    300ms;
  --duration-slower:  450ms;

  --ease-default:     ease;
  --ease-out:         cubic-bezier(0.0, 0.0, 0.2, 1.0);
  --ease-in:          cubic-bezier(0.4, 0.0, 1.0, 1.0);
  --ease-in-out:      cubic-bezier(0.4, 0.0, 0.2, 1.0);

  --transition-hover: opacity var(--duration-base) var(--ease-default),
                      transform var(--duration-base) var(--ease-default),
                      border-color var(--duration-base) var(--ease-default);

}


/* ==========================================================================
   7. STROKE WIDTHS
   ========================================================================== */

:root {

  --stroke-subtle:  1px;
  --stroke-strong:  3px;

}


/* ==========================================================================
   8. LINE SPACING OFFSETS
   ========================================================================== */

:root {

  --line-spacing-tight:        0;
  --line-spacing-comfortable:  8px;

}


/* ==========================================================================
   LEGACY ALIAS MAP — backward compatibility with existing styles.css references
   ========================================================================== */

:root {
  --bg:               var(--color-background);
  --surface-primary:  var(--color-surface-primary);
  --surface-secondary:var(--color-surface-secondary);
  --text-primary:     var(--color-text-primary);
  --text-secondary:   var(--color-text-secondary);
  --accent:           var(--color-accent);
  --border:           var(--color-border);
  --border-strong:    var(--color-border-strong);
  --success:          var(--color-success);
  --warning:          var(--color-warning);
  --error:            var(--color-error);
}

/* ─── Self-hosted Font ─────────────────────────────────────────────────────── */
@font-face {
  font-family: 'Manrope';
  src: url('assets/fonts/Manrope[wght].ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ─── Local Tokens ──────────────────────────────────────────────────────────── */
/* All colour, typography, spacing, radius, shadow, and motion tokens are now
   sourced from tokens.css (imported above). The legacy alias map in that file
   preserves --bg, --surface-*, --text-*, --accent, --border, --success,
   --radius-*, and --shadow-card so all existing references below continue to work.
   Screenshot framing still needs a local shadow token. */
:root {
  --shadow-phone: 0 24px 64px rgba(0,0,0,.12), 0 8px 24px rgba(0,0,0,.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --shadow-phone: 0 24px 64px rgba(0,0,0,.5), 0 8px 24px rgba(0,0,0,.4);
  }
}

/* ─── Dark section override ────────────────────────────────────────────────── */
/* Used for Problem Statement and Privacy sections */
.section--dark {
  background: var(--color-background-app);
  --text-primary:      #ECEEF2;
  --text-secondary:    #9BA2AE;
  --accent:            #3B9FE8;
  --border:            #2B303E;
  --surface-primary:   #1E2233;
  --surface-secondary: #252A3A;
  color: var(--color-text-inverse);
}

/* In OS dark mode, deepen the dark sections further to maintain rhythm */
@media (prefers-color-scheme: dark) {
  .section--dark {
    background: #0B0E17;
  }
}

/* ─── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family-base);
  background-color: var(--bg);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

/* ─── Layout ───────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 640px) {
  .container { padding: 0 32px; }
}

/* ─── Typography ───────────────────────────────────────────────────────────── */
.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.section--dark .eyebrow {
  color: var(--accent);
}

h1 {
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
}

h2 {
  font-size: clamp(28px, 4.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
  line-height: 1.65;
}

.lead {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ─── Nav ──────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo-img {
  height: 28px;
  width: auto;
}

.logo-light { display: block; }
.logo-dark  { display: none; }

@media (prefers-color-scheme: dark) {
  .logo-light { display: none; }
  .logo-dark  { display: block; }
}

.nav__links {
  display: none;
  align-items: center;
  gap: 24px;
  list-style: none;
}

@media (min-width: 768px) {
  .nav__links { display: flex; }
}

.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color .15s ease;
  white-space: nowrap;
}

.nav__link:hover { color: var(--text-primary); }

.nav__right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__lang {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color .15s ease;
}

.nav__lang:hover { color: var(--text-primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-base);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity .15s ease, transform .1s ease;
  white-space: nowrap;
  text-decoration: none;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 14px 28px;
  font-size: 16px;
}

.btn--primary:hover { opacity: 0.9; }

.btn--nav {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
}

.btn--nav:hover { opacity: 0.9; }

/* Mobile hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

@media (min-width: 768px) {
  .nav__hamburger { display: none; }
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

.nav__hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__drawer {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background-color: var(--surface-primary);
  border-bottom: 1px solid var(--border);
  padding: 16px;
  z-index: 99;
}

.nav__drawer.is-open { display: block; }

.nav__drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav__drawer-links li a {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
}

.nav__drawer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
}

/* ─── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  background: var(--bg);
  padding: 80px 0 64px;
}

@media (max-width: 767px) {
  .hero { padding: 48px 0 40px; }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}

@media (min-width: 768px) {
  .hero__inner {
    grid-template-columns: 52% 1fr;
    gap: 40px;
  }
}

.hero__text h1 {
  margin-bottom: 24px;
}

.hero__text .lead {
  margin-bottom: 24px;
}

/* Hero form */
.hero__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero__form-row {
  display: flex;
  gap: 8px;
  flex-direction: column;
}

@media (min-width: 480px) {
  .hero__form-row { flex-direction: row; }
}

/* ─── App Screenshots ─────────────────────────────────────────────────────── */
.app-shot-wrap {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.app-shot {
  position: relative;
  margin: 0;
  width: min(100%, 344px);
  padding: 14px;
  border-radius: 48px;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.22) 0%, rgba(255,255,255,0.04) 20%, transparent 36%),
    linear-gradient(160deg, #5A5D67 0%, #1B1C22 22%, #3E424D 50%, #181A20 78%, #090A0D 100%);
  box-shadow:
    0 24px 64px rgba(0,0,0,.22),
    0 10px 28px rgba(0,0,0,.16),
    inset 0 0 0 1px rgba(255,255,255,0.18),
    inset 0 0 0 2px rgba(10,10,14,0.52);
}

.app-shot::before,
.app-shot::after {
  content: "";
  position: absolute;
  top: 22%;
  width: 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, #7B7E88 0%, #262932 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}

.app-shot::before {
  left: -2px;
  height: 88px;
}

.app-shot::after {
  right: -2px;
  height: 116px;
}

.app-shot--step {
  width: min(100%, 252px);
  padding: 11px;
  border-radius: 40px;
}

.app-shot__media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 36px;
  background: #050608;
  border: 1px solid rgba(255,255,255,0.05);
  box-shadow:
    inset 0 0 0 1px rgba(0,0,0,0.36),
    inset 0 18px 28px rgba(255,255,255,0.03);
}

.app-shot__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0) 11%);
  pointer-events: none;
  z-index: 1;
}

.app-shot--step .app-shot__media {
  border-radius: 30px;
}

.app-shot__image {
  width: 100%;
  height: auto;
}

/* ─── Trust Strip ──────────────────────────────────────────────────────────── */
.trust-strip {
  background: var(--surface-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.trust-strip__inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0 16px;
}

.trust-strip__inner::-webkit-scrollbar { display: none; }

@media (min-width: 640px) {
  .trust-strip__inner {
    padding: 0 32px;
    justify-content: center;
    flex-wrap: wrap;
    overflow-x: visible;
    white-space: normal;
  }
}

.chip {
  background: var(--surface-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-badge);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  color: var(--text-primary);
}

.chip svg {
  flex-shrink: 0;
}

/* ─── Section base ─────────────────────────────────────────────────────────── */
.section {
  padding: 96px 0;
}

@media (max-width: 767px) {
  .section { padding: 64px 0; }
}

.section--light {
  background: var(--bg);
}

.section--surface {
  background: var(--surface-secondary);
}

.section--sm {
  padding: 80px 0;
}

@media (max-width: 767px) {
  .section--sm { padding: 56px 0; }
}

/* ─── Problem Section ──────────────────────────────────────────────────────── */
.problem__inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
}

.problem__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 32px 0;
}

.problem__body p {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.problem__body p:last-child {
  color: var(--text-primary);
}

.problem__callout {
  border-left: 3px solid var(--accent);
  padding-left: 24px;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 500;
  font-style: normal;
  line-height: 1.4;
  margin-top: 8px;
}

.section--dark h2 {
  color: var(--text-primary);
}

/* ─── How It Works ─────────────────────────────────────────────────────────── */
.hiw__header {
  text-align: center;
  margin-bottom: 64px;
}

.hiw__header .lead {
  max-width: 540px;
  margin: 16px auto 0;
}

.hiw__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}

@media (min-width: 768px) {
  .hiw__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}

.hiw__step-number {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.hiw__step h3 {
  margin-bottom: 12px;
}

.hiw__step p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.app-shot-wrap--step {
  margin-top: 32px;
  display: flex;
  justify-content: center;
}

.hiw__callout {
  max-width: 560px;
  margin: 56px auto 0;
  background: var(--surface-secondary);
  border-radius: var(--radius-card);
  padding: 32px 40px;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.55;
}

@media (max-width: 639px) {
  .hiw__callout { padding: 24px 20px; font-size: 16px; }
}

/* ─── Feature Grid ─────────────────────────────────────────────────────────── */
.features__header {
  text-align: center;
  margin-bottom: 56px;
}

.features__header .lead {
  max-width: 560px;
  margin: 12px auto 0;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .features-grid { grid-template-columns: repeat(4, 1fr); }
}

.feature-card {
  background: var(--surface-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
}

.feature-card__icon {
  margin-bottom: 16px;
  color: var(--accent);
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.feature-card__badge {
  display: inline-block;
  background: var(--color-surface-accent-tint);
  color: var(--accent);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-top: 10px;
}

/* ─── Wearable Compatibility ───────────────────────────────────────────────── */
.compat__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

@media (min-width: 768px) {
  .compat__inner { grid-template-columns: 48% 1fr; gap: 56px; }
}

.compat__text h2 { margin-bottom: 20px; }
.compat__text .lead { margin-bottom: 0; }

.compat__devices {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.device-card {
  background: var(--surface-primary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.device-card__icon {
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 2px;
}

.device-card__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.device-card__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.compat__note {
  background: var(--color-surface-accent-tint);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-top: 4px;
}

/* ─── Privacy ──────────────────────────────────────────────────────────────── */
.privacy__header {
  text-align: center;
  margin-bottom: 48px;
}

.privacy__header .lead {
  max-width: 540px;
  margin: 16px auto 0;
  color: var(--text-secondary);
}

.section--dark .privacy__header h2 { color: var(--text-primary); }

.privacy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .privacy-grid { grid-template-columns: repeat(3, 1fr); }
}

.privacy-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-card);
  padding: 28px 24px;
}

.privacy-card__icon {
  margin-bottom: 16px;
  color: var(--accent);
}

.privacy-card h3 {
  color: var(--text-primary);
  margin-bottom: 8px;
}

.privacy-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.privacy__footnote {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  text-align: center;
  margin-top: 32px;
}

/* ─── Social Proof ─────────────────────────────────────────────────────────── */
.social__header {
  text-align: center;
  margin-bottom: 48px;
}

.social__header .lead {
  max-width: 480px;
  margin: 12px auto 0;
}

.testimonials {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .testimonials { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  background: var(--surface-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
}

.testimonial-card__quote {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.testimonial-card__attr {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.social__trust {
  text-align: center;
  margin-top: 32px;
}

.badge--success {
  display: inline-block;
  background: var(--color-success-tint);
  color: var(--success);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
}

/* ─── Featured Article ───────────────────────────────────────────────────── */
.featured-article__header {
  text-align: center;
  margin-bottom: 40px;
}

.featured-article__header .lead {
  max-width: 620px;
  margin: 14px auto 0;
}

.featured-article__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
  background:
    linear-gradient(135deg, var(--color-surface-accent-tint), color-mix(in srgb, var(--color-accent) 3%, transparent)),
    var(--surface-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
}

@media (min-width: 768px) {
  .featured-article__card {
    grid-template-columns: minmax(0, 1.3fr) minmax(220px, 0.7fr);
    gap: 32px;
    padding: 32px;
  }
}

.featured-article__topic {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.featured-article__title {
  display: block;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.featured-article__title a {
  color: inherit;
  text-decoration: none;
}

.featured-article__title a:hover {
  color: var(--accent);
}

.featured-article__excerpt {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.featured-article__meta {
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: space-between;
  min-width: 0;
}

.featured-article__meta-copy {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.featured-article__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.featured-article__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

.featured-article__link:hover {
  color: var(--accent-pressed);
}

.featured-article__all {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.featured-article__all:hover {
  color: var(--text-primary);
}

/* ─── CTA Section ──────────────────────────────────────────────────────────── */
.cta-section {
  padding: 96px 0;
  background: var(--bg);
}

@media (max-width: 767px) {
  .cta-section { padding: 72px 0; }
}

.cta__inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.cta__inner h2 {
  font-size: clamp(28px, 4.5vw, 40px);
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
}

.cta__body {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.65;
}

.cta__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  width: 100%;
}

.cta__form-row {
  display: flex;
  gap: 8px;
  width: 100%;
  flex-direction: column;
}

@media (min-width: 480px) {
  .cta__form-row { flex-direction: row; }
}

.cta__sub {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.cta__gdpr {
  font-size: 12px;
  color: var(--text-secondary);
  opacity: 0.75;
  line-height: 1.5;
  text-align: center;
}

.cta__gdpr a {
  text-decoration: underline;
}

/* ─── FAQ ──────────────────────────────────────────────────────────────────── */
.faq {
  padding: 64px 0;
  background: var(--bg);
}

.faq__header {
  text-align: center;
  margin-bottom: 40px;
}

.faq__list {
  max-width: 680px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--border);
}

.faq__item:first-child {
  border-top: 1px solid var(--border);
}

.faq__question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-family: var(--font-family-base);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  gap: 16px;
  -webkit-tap-highlight-color: transparent;
}

.faq__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  color: var(--text-secondary);
  transition: transform .2s ease;
  line-height: 1;
}

.faq__answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height .3s ease;
}

.faq__answer-inner {
  padding: 0 0 20px;
  font-size: 15px;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq__item.is-open .faq__answer {
  max-height: 400px;
}

.faq__item.is-open .faq__icon {
  transform: rotate(45deg);
}

/* ─── Footer ───────────────────────────────────────────────────────────────── */
.footer {
  background: var(--surface-secondary);
  border-top: 1px solid var(--border);
  padding: 32px 0 28px;
}

.footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px 28px;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.footer__logo img {
  display: none;
  height: 28px;
  width: auto;
  max-width: none;
}

.footer__logo-light {
  display: block;
}

.footer__links,
.footer__copy {
  min-width: 0;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: center;
}

.footer__link {
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer__link:hover {
  color: var(--text-primary);
  text-decoration: none;
}

.footer__copy {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  text-align: right;
}

@media (prefers-color-scheme: dark) {
  .footer__logo-light {
    display: none;
  }

  .footer__logo-dark {
    display: block;
  }
}

@media (max-width: 767px) {
  .footer {
    padding: 28px 0 24px;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    align-items: flex-start;
    gap: 14px;
  }

  .footer__inner nav {
    width: 100%;
  }

  .footer__links {
    justify-content: flex-start;
  }

  .footer__copy {
    white-space: normal;
    text-align: left;
  }
}

/* ─── Utilities ────────────────────────────────────────────────────────────── */
.mt-6  { margin-top: 24px; }

/* ─── Entity Definition (GEO) ──────────────────────────────────────────────── */
/* Visible but visually quiet — aids AI extraction without dominating the layout */
.section--entity-def {
  padding: 24px 0;
  background: var(--color-background-app);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.entity-def {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 72ch;
}