/* ========================================
   RESET & BASE
   ======================================== */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Light (Balanced Luxury — cream) */
  --bg: #FAF7F0;
  --surface: #FFFFFF;
  --surface-2: #F2EDE0;
  --border: rgba(28, 27, 26, 0.10);
  --border-strong: rgba(28, 27, 26, 0.22);
  --text: #1C1B1A;
  --text-dim: #5A5550;
  --text-mute: #8A857E;

  /* Accents — translated from the app's DesignKit Classic palette */
  --accent: #2F5D3A;          /* forest */
  --accent-hover: #3E7349;
  --accent-soft: rgba(47, 93, 58, 0.10);
  --accent-border: rgba(47, 93, 58, 0.32);

  /* Secondary accents available for sparing use */
  --accent-navy: #1F3A5F;
  --accent-maroon: #6B2B2B;
  --accent-walnut: #6B4F3A;
  --accent-stone: #A8A095;

  /* Spacing scale — mirrors DesignKit */
  --space-xs: 4px;
  --space-s: 8px;
  --space-m: 16px;
  --space-l: 24px;
  --space-xl: 40px;
  --space-xxl: 72px;

  /* Geometry */
  --max-width: 1120px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Type */
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1C1B1A;
    --surface: #26241F;
    --surface-2: #2D2B26;
    --border: rgba(250, 247, 240, 0.10);
    --border-strong: rgba(250, 247, 240, 0.22);
    --text: #FAF7F0;
    --text-dim: #B8B2A8;
    --text-mute: #8A857E;

    --accent: #6FA17C;          /* lifted forest for dark contrast */
    --accent-hover: #84B591;
    --accent-soft: rgba(111, 161, 124, 0.14);
    --accent-border: rgba(111, 161, 124, 0.36);
  }
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   A11Y
   ======================================== */

.skip-link {
  position: absolute;
  top: -48px;
  left: 8px;
  background: var(--accent);
  color: var(--bg);
  padding: 10px 16px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 1000;
  transition: top 0.2s ease;
}

.skip-link:focus { top: 8px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-l);
}

/* ========================================
   NAV
   ======================================== */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 64px;
  flex-wrap: wrap;
  gap: var(--space-m);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-left: var(--space-s);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 4px;
  transition: color 0.15s ease;
}

.nav-link:hover,
.nav-link:focus,
.nav-link[aria-current="page"] {
  color: var(--text);
}

/* ========================================
   HERO
   ======================================== */

.hero {
  display: block;
  margin-bottom: 96px;
}

.h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0 0 24px;
  color: var(--text);
}

.sub {
  font-size: 20px;
  line-height: 1.45;
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 40px;
}

.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 640px) minmax(280px, 340px);
  align-items: center;
  justify-content: start;
  gap: clamp(24px, 4vw, 56px);
  min-height: 560px;
}

.hero-text { min-width: 0; max-width: 640px; }
.hero-phone { justify-self: start; }

.phone-frame {
  width: 100%;
  max-width: 280px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 3px solid var(--border-strong);
  background: var(--surface-2);
  box-shadow:
    0 24px 80px rgba(28, 27, 26, 0.18),
    0 8px 32px rgba(47, 93, 58, 0.08);
  aspect-ratio: 9 / 19.5;
}

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

.phone-frame.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
  padding: var(--space-l);
}

@media (max-width: 900px) {
  .hero-split { grid-template-columns: 1fr; min-height: auto; gap: 32px; }
  .hero-text { max-width: 100%; }
  .hero-phone { justify-self: center; width: min(100%, 280px); margin-top: 8px; }
  .phone-frame { max-width: 280px; }
}

@media (max-width: 480px) {
  .hero-phone { width: min(100%, 220px); }
  .phone-frame { max-width: 220px; }
}

/* ========================================
   BUTTONS
   ======================================== */

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: var(--space-l);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid var(--text);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
  cursor: pointer;
}

.btn:hover,
.btn:focus {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn.ghost:hover,
.btn.ghost:focus {
  background: var(--surface);
  border-color: var(--text-dim);
  color: var(--text);
}

.btn.appstore {
  padding: 0;
  border: 0;
  background: transparent;
}

.btn.appstore:hover,
.btn.appstore:focus { background: transparent; }

.btn.appstore img {
  height: 44px;
  width: auto;
  display: block;
}

.small {
  font-size: 13px;
  color: var(--text-mute);
  margin-top: var(--space-m);
}

.small a {
  color: var(--text-dim);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 3px;
}

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

/* ========================================
   SCREENSHOT CAROUSEL
   ======================================== */

.screenshot-carousel {
  margin-top: 56px;
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
  mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  border: 1px solid var(--border-strong);
  color: var(--text);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
  opacity: 0;
}

.carousel-btn svg { width: 20px; height: 20px; display: block; }
.carousel-btn[data-dir="prev"] { left: 16px; }
.carousel-btn[data-dir="next"] { right: 16px; }

.screenshot-carousel:hover .carousel-btn,
.carousel-btn:focus-visible { opacity: 1; }

.carousel-btn:hover {
  background: var(--surface);
  border-color: var(--text-dim);
}

.carousel-btn[disabled] {
  opacity: 0 !important;
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  .carousel-btn { display: inline-flex; }
}

.carousel-track {
  display: flex;
  gap: 16px;
  padding: 0 5vw;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
}

.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track:active { cursor: grabbing; }

.carousel-track img,
.carousel-track .shot-placeholder {
  flex: 0 0 auto;
  height: 520px;
  width: 240px;
  border-radius: var(--radius-lg);
  scroll-snap-align: center;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.carousel-track img {
  height: 520px;
  width: auto;
  object-fit: cover;
}

.carousel-track .shot-placeholder {
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
  padding: var(--space-l);
}

@media (max-width: 768px) {
  .carousel-track { padding: 0 24px; gap: 12px; }
  .carousel-track img,
  .carousel-track .shot-placeholder { height: 400px; width: 184px; }
}

@media (max-width: 480px) {
  .carousel-track img,
  .carousel-track .shot-placeholder { height: 340px; width: 156px; }
}

/* ========================================
   FEATURES GRID
   ======================================== */

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 56px;
  border-top: 1px solid var(--border);
  text-align: left;
}

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

.feature {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 768px) {
  .feature {
    padding: 56px 48px 56px 0;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .feature:nth-child(3n) { border-right: 0; padding-right: 0; }
  .feature:nth-child(3n+1) { padding-left: 0; }
  .feature:not(:nth-child(3n+1)):not(:nth-child(3n)) { padding-left: 48px; }
  .feature:nth-child(3n) { padding-left: 48px; }
}

.feature-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--space-m);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  margin-bottom: 18px;
}

.feature-icon svg { width: 22px; height: 22px; display: block; }

.feature h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--text);
}

.feature p {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.65;
}

/* Crosslink teaser (DesignKit teaser, etc.) */
.teaser {
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-m);
}

.teaser-label {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 4px;
  color: var(--text);
}

.teaser-hint {
  margin: 0;
  font-size: 14px;
  color: var(--text-dim);
}

/* Pull quote */
.pullquote {
  margin: 80px 0 0;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 500;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--text);
  max-width: 760px;
}

.pullquote-cite {
  display: block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-style: normal;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  margin-top: 80px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-mute);
  flex-wrap: wrap;
  gap: var(--space-m);
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  list-style: none;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* ========================================
   DOC PAGES (Privacy / Terms / Updates / Support / Press)
   ======================================== */

.doc {
  text-align: left;
  max-width: 720px;
  margin: 0 auto 80px;
}

.doc .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--space-m);
}

.doc h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 12px;
  color: var(--text);
}

.doc .lede {
  font-size: 18px;
  line-height: 1.5;
  color: var(--text-dim);
  margin-bottom: var(--space-m);
  max-width: 60ch;
}

.doc .meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--space-xl);
}

.doc h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-top: var(--space-xxl);
  margin-bottom: var(--space-m);
  color: var(--text);
}

.doc p {
  color: var(--text-dim);
  margin-bottom: var(--space-m);
  max-width: 65ch;
}

.doc p strong { color: var(--text); }

.doc ul,
.doc ol {
  color: var(--text-dim);
  margin: 0 0 var(--space-m);
  padding-left: var(--space-l);
  max-width: 65ch;
}

.doc li {
  margin-bottom: var(--space-xs);
}

.doc a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--accent-border);
  text-underline-offset: 3px;
}

.doc a:hover { text-decoration-color: var(--accent); }

.doc a.btn {
  color: var(--bg);
  text-decoration: none;
}

.doc a.btn:hover,
.doc a.btn:focus {
  color: #fff;
}

.doc a.btn.ghost {
  color: var(--text);
}

.doc-todo {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  border: 1px dashed var(--border-strong);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-l);
}

.doc code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text);
}

/* Updates list */
.updates-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border);
}

.updates-list li {
  padding: var(--space-l) 0;
  border-bottom: 1px solid var(--border);
}

.updates-list .ver {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-right: var(--space-m);
}

.updates-list strong {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -0.015em;
  color: var(--text);
}

.updates-list p {
  margin-top: var(--space-s);
  color: var(--text-dim);
  font-size: 15px;
}

/* Press asset card */
.press-asset {
  display: inline-flex;
  align-items: center;
  gap: var(--space-m);
  padding: var(--space-m);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text);
  margin-bottom: var(--space-l);
  transition: border-color 0.15s ease;
}

.press-asset:hover { border-color: var(--accent-border); }

.press-asset img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: block;
}

.press-asset span { display: block; }

.press-asset .eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 4px;
}

/* ========================================
   DESIGNKIT DEMO (designkit.html only)
   theme-demo.js writes --dk-* on .dk-demo
   ======================================== */

.dk-demo {
  --dk-bg: var(--bg);
  --dk-surface: var(--surface);
  --dk-accent: var(--accent);
  --dk-text: var(--text);
  --dk-rule: var(--border);

  background: var(--dk-bg);
  color: var(--dk-text);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: background 200ms ease, color 200ms ease;
}

.dk-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-l);
  margin-bottom: var(--space-xl);
}

.dk-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
}

.dk-swatch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-s);
  padding: 8px 14px;
  background: transparent;
  border: 1px solid var(--dk-rule);
  border-radius: var(--radius-pill);
  color: var(--dk-text);
  opacity: 0.65;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 120ms ease, opacity 120ms ease;
}

.dk-swatch[aria-pressed="true"] {
  border-color: var(--dk-text);
  opacity: 1;
}

.dk-swatch:hover { opacity: 1; }

.dk-swatch-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.dk-mode {
  display: inline-flex;
  border: 1px solid var(--dk-rule);
  border-radius: var(--radius-pill);
  overflow: hidden;
  align-self: flex-start;
}

.dk-mode button {
  background: transparent;
  border: 0;
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dk-text);
  opacity: 0.6;
  cursor: pointer;
}

.dk-mode button[aria-pressed="true"] {
  background: var(--dk-text);
  color: var(--dk-bg);
  opacity: 1;
}

.dk-card {
  background: var(--dk-surface);
  color: var(--dk-text);
  border: 1px solid var(--dk-rule);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 360px;
  margin-top: var(--space-l);
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.dk-card-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.55;
  margin-bottom: 8px;
}

.dk-card h4 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.dk-card p {
  font-size: 15px;
  margin: 0 0 16px;
  opacity: 0.78;
  line-height: 1.5;
}

.dk-card-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.dk-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: var(--dk-accent);
  color: var(--dk-surface);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-sans);
}

.dk-button {
  background: var(--dk-accent);
  color: var(--dk-surface);
  border: 0;
  border-radius: var(--radius-md);
  padding: 12px 18px;
  min-height: 44px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.dk-tokens {
  margin-top: var(--space-xl);
  border-top: 1px solid var(--dk-rule);
  padding-top: var(--space-l);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-m);
}

.dk-token { font-family: var(--font-mono); font-size: 12px; }

.dk-token-label {
  display: block;
  opacity: 0.55;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 10px;
  margin-bottom: 4px;
}

.dk-token-value {
  display: inline-flex;
  align-items: center;
  gap: var(--space-s);
  opacity: 0.85;
}

.dk-token-chip {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid var(--dk-rule);
  display: inline-block;
}

#dk-current {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin: 0;
}

/* ========================================
   PRINT
   ======================================== */

@media print {
  .nav, .footer, .screenshot-carousel, .skip-link { display: none; }
  body { background: white; color: black; }
}