/* ============================================================
   platologica.com — Main Stylesheet
   Design spec: PL-848
   Stack: Static HTML + CSS, no framework, no bundler
   ============================================================ */

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
}

/* ── Design Tokens ── */
:root {
  /* Colors */
  --color-bg:           #FAFAF8;
  --color-surface:      #F2F2EF;
  --color-border:       #E4E4DE;
  --color-text:         #18181A;
  --color-muted:        #6B6B68;
  --color-accent:       #12604C;
  --color-accent-hover: #0E4E3E;
  /* Theme-toggle active pill tint — the brand green; override here to retint. */
  --toggle-active:      var(--color-accent);
  --color-white:        #FFFFFF;

  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono:    'SF Mono', ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  --font-wordmark: 'Space Grotesk', 'Inter', -apple-system, sans-serif;

  /* Spacing — 4px base */
  --space-1:  0.25rem;   /*  4px */
  --space-2:  0.5rem;    /*  8px */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-24: 6rem;      /* 96px */
  --space-32: 8rem;      /* 128px */

  /* Border Radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  24px;
  --radius-full: 9999px;

  /* Layout */
  --container-width:   1152px;
  --container-padding: 24px;
}

/* ── Dark Mode ── */
/* ── Dark palette ──
   Applied in two cases: (1) the visitor explicitly chose Dark via the theme
   toggle (`data-theme="dark"`), or (2) the OS is dark AND the visitor has not
   forced Light or Dark (System mode). Lighter emerald keeps links/buttons
   legible on the near-black background. */
:root[data-theme="dark"] {
  --color-bg:      #0C0C0A;
  --color-surface: #18181A;
  --color-border:  #2D2D2B;
  --color-text:    #FAFAF8;
  --color-muted:   #9B9B96;
  --color-white:   #1C1C1E;
  --color-accent:       #35B98C;
  --color-accent-hover: #4ECBA0;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --color-bg:      #0C0C0A;
    --color-surface: #18181A;
    --color-border:  #2D2D2B;
    --color-text:    #FAFAF8;
    --color-muted:   #9B9B96;
    --color-white:   #1C1C1E;
    --color-accent:       #35B98C;
    --color-accent-hover: #4ECBA0;
  }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto !important;
  }
}

/* ── Base ── */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Skip Link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-accent);
  color: #FFFFFF;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  z-index: 9999;
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-2);
}

/* ── Container ── */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-8);
  }
}

/* ── Global Focus Ring ── */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── Links ── */
a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover {
  color: var(--color-accent-hover);
}

/* ============================================================
   STICKY NAV
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  height: 64px;
  background: transparent;
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: background 200ms ease, border-color 200ms ease, backdrop-filter 200ms ease;
  z-index: 100;
}

.site-nav.scrolled {
  background: var(--color-white);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
}

.nav-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .nav-inner {
    padding: 0 var(--space-8);
  }
}

/* Wordmark */
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-wordmark);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.wordmark-mark {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: block;
}
.wordmark:hover {
  color: var(--color-text);
}

/* Nav Links */
.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 400;
  color: var(--color-muted);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color 150ms ease;
}

.nav-links a:hover {
  color: var(--color-text);
}

@media (max-width: 767px) {
  .nav-links {
    gap: var(--space-3);
  }

  .nav-links a {
    font-size: 13px;
  }

  .wordmark {
    font-size: 15px;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  min-height: 44px;
  text-decoration: none;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #FFFFFF;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #FFFFFF;
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  padding: var(--space-32) 0;
  text-align: center;
  border-top: none;
}

@media (max-width: 767px) {
  #hero {
    padding: var(--space-16) 0;
  }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 var(--space-4);
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: 64px;
  font-weight: 700;
  line-height: 1.08;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-6);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 767px) {
  .hero-headline {
    font-size: 40px;
    letter-spacing: -0.02em;
  }
}

.hero-subhead {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-muted);
  margin: 0 0 var(--space-8);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 767px) {
  .hero-subhead {
    font-size: 17px;
  }
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

/* ============================================================
   SECTIONS — shared
   ============================================================ */
section {
  padding: var(--space-32) 0;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 767px) {
  section {
    padding: var(--space-16) 0;
  }
}

.section-heading {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-6);
}

@media (max-width: 767px) {
  .section-heading {
    font-size: 32px;
  }
}

.section-lead {
  font-size: 18px;
  line-height: 1.65;
  color: var(--color-muted);
  margin: 0 0 var(--space-12);
  max-width: 640px;
}

@media (max-width: 767px) {
  .section-lead {
    font-size: 17px;
    margin-bottom: var(--space-8);
  }
}

/* ============================================================
   ABOUT — Values Grid
   ============================================================ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

@media (max-width: 640px) {
  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

@media (min-width: 641px) and (max-width: 767px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.value-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.value-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0 0 var(--space-3);
}

.value-body {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

/* ============================================================
   PRODUCTS — App Cards
   ============================================================ */
#products {
  background: var(--color-surface);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 767px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

.app-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  transition: box-shadow 200ms ease;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.app-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.app-card--coming-soon {
  background: var(--color-surface);
  opacity: 0.75;
}

.app-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

/* App Icon */
.app-icon-placeholder {
  width: 80px;
  height: 80px;
  min-width: 80px;
  border-radius: 18px;
  background: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.app-icon-placeholder--muted {
  background: var(--color-border);
  color: var(--color-muted);
  font-size: 28px;
}

.app-icon {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  flex-shrink: 0;
}

.app-card-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-1);
}

.app-name {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0;
}

.app-tagline {
  font-size: 14px;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.5;
}

.app-platform {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(18, 96, 76, 0.08);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-top: var(--space-1);
  align-self: flex-start;
}

.app-badge--coming-soon {
  color: var(--color-muted);
  background: var(--color-border);
}

.app-description {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
  flex: 1;
}

.app-actions {
  margin-top: auto;
  padding-top: var(--space-2);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.app-learn-more {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  transition: color 150ms ease;
}
.app-learn-more:hover { color: var(--color-accent-hover); }

.badge-link {
  display: inline-block;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: opacity 150ms ease;
}

.badge-link:hover {
  opacity: 0.85;
}

.badge-link svg {
  display: block;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.contact-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-3) var(--space-6);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  min-height: 44px;
  transition: border-color 150ms ease, color 150ms ease;
}

.contact-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.contact-icon {
  flex-shrink: 0;
  color: currentColor;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.footer-wordmark {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-muted);
}
.footer-wordmark:hover {
  color: var(--color-text);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-links a {
  font-size: 14px;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 150ms ease;
}

.footer-links a:hover {
  color: var(--color-text);
}

.footer-sep {
  color: var(--color-border);
  user-select: none;
}

.footer-copy {
  font-size: 12px;
  color: var(--color-muted);
  margin: 0;
}

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-3);
  }
}

/* ============================================================
   RESPONSIVE — container padding on md+
   ============================================================ */
@media (min-width: 768px) {
  :root {
    --container-padding: 32px;
  }
}

/* ============================================================
   NAV CLUSTER — groups the nav links + theme toggle on the right
   ============================================================ */
.nav-cluster {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

/* Hamburger button — hidden on desktop, shown on mobile (see media query). */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: none;
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-md);
}

.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 200ms ease, opacity 200ms ease;
}

/* Bars morph into an X when the menu is open. */
.site-nav.nav-open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav.nav-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
.site-nav.nav-open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   THEME TOGGLE — Light / System / Dark (last item in the nav)
   Adapted from cbounta.com. Collapses to the active icon.
   Pointer devices expand it on hover / keyboard focus; touch
   devices keep the single icon and cycle modes on tap (see JS).
   ============================================================ */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px;
}

.theme-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin: 0 1px;
  padding: 0;
  border: none;
  background: none;
  color: var(--color-muted);
  border-radius: var(--radius-full);
  cursor: pointer;
  overflow: hidden;
  transition: width 250ms ease, margin 250ms ease, opacity 200ms ease,
    color 150ms ease, background-color 150ms ease;
}

.theme-btn svg {
  flex: 0 0 auto;
}

.theme-btn:hover {
  color: var(--color-text);
}

.theme-btn.active {
  color: var(--color-white);
  background: var(--toggle-active);
}

/* Collapsed by default everywhere: only the active button shows. */
.theme-btn:not(.active) {
  width: 0;
  margin-left: 0;
  margin-right: 0;
  opacity: 0;
  pointer-events: none;
}

/* Pointer devices: reveal all three on hover or keyboard focus.
   Touch devices have no hover, so they stay collapsed (JS cycles on tap). */
@media (hover: hover) {
  .theme-toggle:hover .theme-btn:not(.active),
  .theme-toggle:focus-within .theme-btn:not(.active) {
    width: 30px;
    margin-left: 1px;
    margin-right: 1px;
    opacity: 1;
    pointer-events: auto;
  }
}

/* ── Mobile nav (≤767px): links + theme toggle collapse into a hamburger menu ── */
@media (max-width: 767px) {
  .nav-toggle { display: inline-flex; }

  /* The links + theme toggle live in a dropdown, hidden until the menu opens. */
  .nav-cluster { display: none; }

  .site-nav.nav-open .nav-cluster {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6) var(--container-padding);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.10);
  }

  .site-nav.nav-open .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }

  .site-nav.nav-open .nav-links a {
    font-size: 16px;
  }

  /* Touch has no hover, so reveal all three theme options in the open menu. */
  .site-nav.nav-open .theme-btn:not(.active) {
    width: 30px;
    margin-left: 1px;
    margin-right: 1px;
    opacity: 1;
    pointer-events: auto;
  }

  .wordmark-mark { width: 22px; height: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .theme-btn {
    transition: none;
  }
}

/* ============================================================
   MARK FOR LATER — product page
   Shares the studio design system (emerald, flat cards, Space
   Grotesk headings). Device frames are brand-neutral hardware.
   ============================================================ */

/* ── Scroll reveal (progressive enhancement) ──
   Content is visible by default; only once script.js adds
   `.js-enabled` do `.reveal` elements start hidden and fade in. */
.js-enabled .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms ease, transform 500ms ease;
}
.js-enabled .reveal.revealed {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .js-enabled .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Product hero (split copy + device) ── */
.mfl-hero {
  padding: var(--space-24) 0 var(--space-16);
  border-top: none;
}

.mfl-hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

@media (max-width: 900px) {
  .mfl-hero .container {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }
}

.mfl-hero-copy .hero-eyebrow { margin-bottom: var(--space-3); }

.mfl-hero-title {
  font-family: var(--font-heading);
  font-size: 52px;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin: 0 0 var(--space-5);
}

@media (max-width: 767px) {
  .mfl-hero-title { font-size: 38px; }
}

.mfl-hero-lead {
  font-size: 18px;
  line-height: 1.65;
  color: var(--color-muted);
  margin: 0 0 var(--space-8);
  max-width: 520px;
}

@media (max-width: 900px) {
  .mfl-hero-lead { margin-left: auto; margin-right: auto; }
}

.app-store-badge { display: inline-block; text-decoration: none; }
.app-store-badge img { display: block; height: 48px; width: auto; }

.mfl-hero-meta {
  font-size: 14px;
  color: var(--color-muted);
  margin: var(--space-4) 0 0;
}

.mfl-hero-media {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

/* ── Device frame (brand-neutral hardware) ── */
.device {
  position: relative;
  width: 100%;
  max-width: 300px;
  background: #0b0b0d;
  border-radius: 46px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 30px 60px -24px rgba(0, 0, 0, 0.45), 0 2px 10px rgba(0, 0, 0, 0.18);
}

.device.device--sm { max-width: 210px; }

.device-screen {
  position: relative;
  overflow: hidden;
  border-radius: 37px;
  background: #000;
  aspect-ratio: 900 / 1955;
}

.device-screen > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Hero carousel track */
.mfl-track {
  display: flex;
  height: 100%;
  transition: transform 600ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.mfl-frame {
  min-width: 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Carousel dots */
.mfl-dots {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}

.mfl-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-border);
  cursor: pointer;
  transition: background 200ms ease, transform 200ms ease;
}

.mfl-dot.is-active {
  background: var(--color-accent);
  transform: scale(1.25);
}

/* ── Features grid ── */
.mfl-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .mfl-features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .mfl-features-grid { grid-template-columns: 1fr; }
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.feature-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(18, 96, 76, 0.08);
  font-size: 22px;
  line-height: 1;
  margin-bottom: var(--space-4);
}

:root[data-theme="dark"] .feature-ic { background: rgba(53, 185, 140, 0.12); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .feature-ic {
    background: rgba(53, 185, 140, 0.12);
  }
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-2);
}

.feature-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

/* ── Reader showcase (three themed phones) ── */
#mfl-reader { background: var(--color-surface); }

.reader-showcase {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.reader-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.reader-item.raised { margin-bottom: var(--space-8); }

@media (max-width: 767px) {
  .reader-item.raised { margin-bottom: 0; }
}

.reader-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ── Platforms (iPad + Mac + iPhone) ── */
.platforms-family {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.frame-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 45px -22px rgba(0, 0, 0, 0.4);
  background: var(--color-white);
}

.frame-card img { display: block; width: 100%; height: auto; }

.frame-card--ipad { max-width: 420px; }
.frame-card--mac { max-width: 480px; }

/* ── Closing CTA ── */
.mfl-cta {
  text-align: center;
  background: var(--color-surface);
}

.mfl-cta .section-heading {
  margin-left: auto;
  margin-right: auto;
  max-width: 640px;
}

.mfl-cta .section-lead {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.mfl-cta .app-store-badge { margin: 0 auto; }

/* Center section heads on the product page */
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}
.section-head .section-lead { margin: 0 auto; }

/* ── Landing hero device (studio home page) ── */
.hero-device {
  margin: var(--space-16) auto 0;
  display: flex;
  justify-content: center;
}