/*
  Lyra Focus Landing Page Styles
  Design tokens inspired by LyraDesignTokens (Colors, Typography, Spacing, Layout, Effects).
  No external frameworks. System font stack for performance.
*/

/* Import premium fonts for compelling typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ========================
   Design Tokens (CSS Vars)
   ======================== */
:root {
  /* Colors (LyraColors - aligned with LyraDesignTokens.swift) */
  --color-bg: #000000;            /* LyraColors.deepBackground */
  --color-rich-bg: #0b0b1e;       /* LyraColors.richBackground */
  --color-surface: #0b0b1e;       /* LyraColors.surface */
  --color-elevated: #0b0b1e;      /* LyraColors.surface */
  --color-border: rgba(255, 255, 255, 0.1);
  --color-text: #ffffff;          /* LyraColors.primaryText */
  --color-text-muted: rgba(255, 255, 255, 0.7);  /* LyraColors.secondaryText */
  --color-primary: #60a5fa;       /* LyraColors.primaryAccent */
  --color-primary-weak: rgba(96, 165, 250, 0.15);
  --color-energy: #f97316;        /* LyraColors.energyAccent */
  --color-high: #e66699;          /* LyraColors.Priority.high */
  --color-medium: #ffa640;        /* LyraColors.Priority.medium */
  --color-low: #40ccd9;           /* LyraColors.Priority.low */
  --color-habits: #d9ccf2;        /* LyraColors.Priority.habits */
  --color-highlight: #88c9ff;     /* star + accent glows */

  /* Accent roles (match app buckets) */
  --accent-deep: #ef5da8;         /* Deep Work (pink) */
  --accent-essential: #f59e0b;    /* Essential (orange) */
  --accent-non: #22d3ee;          /* Non-Essential (teal) */
  --accent-habits: #a78bfa;       /* Habits (lavender) */

  /* Typography (LyraTypography) */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  --font-size-xs: clamp(12px, 0.74vw, 13px);
  --font-size-sm: clamp(14px, 0.9vw, 15px);
  --font-size-base: clamp(16px, 1.0vw, 17px);
  --font-size-md: clamp(18px, 1.1vw, 19px);
  --font-size-lg: clamp(22px, 1.6vw, 26px);
  --font-size-xl: clamp(28px, 2.4vw, 36px);
  --font-size-2xl: clamp(38px, 3.2vw, 52px);

  /* Spacing (LyraSpacing - aligned with LyraDesignTokens.swift 8pt grid) */
  --space-4: 4px;                 /* LyraSpacing.tiny */
  --space-8: 8px;                 /* LyraSpacing.small */
  --space-12: 12px;               /* LyraSpacing.Card.internalPadding */
  --space-16: 16px;               /* LyraSpacing.medium */
  --space-20: 20px;
  --space-24: 24px;               /* LyraSpacing.large */
  --space-32: 32px;               /* LyraSpacing.extraLarge */
  --space-48: 48px;               /* LyraSpacing.huge */
  --space-64: 64px;
  --space-96: 96px;

  /* Layout (LyraEffects - aligned with LyraDesignTokens.swift) */
  --container-max: 1120px;
  --radius-sm: 8px;               /* LyraEffects.smallRadius */
  --radius-md: 12px;              /* LyraEffects.mediumRadius */
  --radius-lg: 16px;              /* LyraEffects.largeRadius */
  --radius-xl: 24px;              /* LyraEffects.extraLargeRadius */
  --shadow-soft: 0 8px 24px rgba(0,0,0,0.25);
  --shadow-strong: 0 16px 44px rgba(0,0,0,0.35);
}



/* ========================
   Base
   ======================== */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: 
    radial-gradient(1200px 600px at 80% -10%, rgba(96,165,250,0.2), transparent 55%),
    radial-gradient(800px 400px at 10% -10%, rgba(96,165,250,0.12), transparent 50%),
    radial-gradient(2px 2px at 20px 20px, rgba(255,255,255,0.15), transparent 1px),
    radial-gradient(2px 2px at 40px 60px, rgba(255,255,255,0.1), transparent 1px),
    radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.12), transparent 1px),
    radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.08), transparent 1px),
    radial-gradient(1px 1px at 160px 30px, rgba(255,255,255,0.1), transparent 1px),
    radial-gradient(1px 1px at 200px 70px, rgba(255,255,255,0.06), transparent 1px),
    radial-gradient(1px 1px at 240px 20px, rgba(255,255,255,0.09), transparent 1px),
    radial-gradient(1px 1px at 280px 90px, rgba(255,255,255,0.07), transparent 1px),
    radial-gradient(1px 1px at 320px 50px, rgba(255,255,255,0.11), transparent 1px),
    var(--color-bg);
  background-size: 100% 100%, 100% 100%, 200px 200px, 200px 200px, 200px 200px, 200px 200px, 200px 200px, 200px 200px, 200px 200px, 200px 200px, 200px 200px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  padding: 0 var(--space-20);
  margin: 0 auto;
}

.muted { color: var(--color-text-muted); }
.small { font-size: var(--font-size-sm); }

/* ========================
   Header / Navigation
   ======================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(140%) blur(8px);
  background: color-mix(in oklab, var(--color-bg) 75%, transparent);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text);
}
.brand-name { 
  font-family: var(--font-display);
  font-weight: 700; 
  font-size: 20px;
  letter-spacing: -0.02em;
  line-height: 1;
}
.brand-lyra { color: #ffffff; }
.brand-focus { color: var(--color-primary); }

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: 22px;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-list a { color: var(--color-text); text-decoration: none; }
.nav-list .divider { width: 1px; height: 24px; background: var(--color-border); }

/* ========================
   Buttons
   ======================== */
.btn {
  --btn-h: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--btn-h);
  padding: 0 var(--space-20);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: var(--color-elevated);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.2px;
  transition: transform .06s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.05) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.btn:hover::before { opacity: 1; }
.btn:active { transform: translateY(1px); }

.btn-primary { 
  background: linear-gradient(135deg, var(--color-energy), color-mix(in oklab, var(--color-energy) 90%, #000));
  color: #fff;
  box-shadow: 
    0 0 0 1px rgba(249, 115, 22, 0.3),
    0 4px 12px rgba(249, 115, 22, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}
.btn-primary:hover { 
  box-shadow: 
    0 0 0 1px rgba(249, 115, 22, 0.4),
    0 6px 20px rgba(249, 115, 22, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.15) inset;
}


.btn-outline { 
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--color-border);
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255, 0.05) inset,
    0 2px 8px rgba(0, 0, 0, 0.1);
}
.btn-outline:hover {
  border-color: var(--color-energy);
  box-shadow: 
    0 0 0 1px rgba(249, 115, 22, 0.2),
    0 4px 12px rgba(249, 115, 22, 0.1);
}

.btn-ghost { 
  background: color-mix(in oklab, var(--color-primary-weak), transparent);
  box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.1) inset;
}

/* Button size variants */
.btn.compact {
  --btn-h: 40px;
  padding: 0 var(--space-16);
}
.btn.large {
  --btn-h: 56px;
  padding: 0 var(--space-24);
}

/* ========================
   Hero
   ======================== */
.hero { padding: var(--space-64) 0 var(--space-48); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-32);
  align-items: center;
}
.hero h1 { 
  font-family: var(--font-display);
  font-size: var(--font-size-2xl); 
  font-weight: 700;
  line-height: 1.12; 
  margin: 0 0 var(--space-16);
  letter-spacing: -0.02em;
}
.lead { font-size: var(--font-size-lg); color: var(--color-text-muted); margin-bottom: var(--space-24); }
.cta-row { display: flex; gap: var(--space-12); margin-bottom: var(--space-16); flex-wrap: wrap; }
.hero-points { margin: var(--space-12) 0 0; padding: 0; list-style: none; color: var(--color-text-muted); }
.hero-points li { padding-left: var(--space-20); position: relative; margin: var(--space-6) 0; }
.hero-points li::before { content: "✦"; position: absolute; left: 0; color: var(--color-highlight); filter: drop-shadow(0 0 8px rgba(136,201,255,0.4)); }

.device-frame {
  border-radius: calc(var(--radius-lg) + 8px);
  padding: var(--space-12);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-strong);
}
.device-frame img { width: 100%; height: auto; border-radius: var(--radius-lg); display: block; }

/* ========================
   Sections
   ======================== */
.section-header { text-align: center; margin-bottom: var(--space-32); }
.section-header h2 { 
  font-family: var(--font-display);
  font-size: var(--font-size-xl); 
  font-weight: 700;
  margin: 0 0 var(--space-8);
  letter-spacing: -0.01em;
}
.section-header p { color: var(--color-text-muted); margin: 0; }

.features { padding: var(--space-64) 0; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-24);
  max-width: 900px;
  margin: 0 auto;
}

.feature-grid.modern {
  grid-template-columns: repeat(2, 1fr);
}
.card {
  --accent: var(--color-primary);
  position: relative;
  /* Match app card styling exactly - dark navy background */
  background: rgba(11, 11, 30, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);  /* 16px like app cards */
  padding: var(--space-20) var(--space-24);  /* Match app card padding */
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  transition: all 0.2s ease;
}

/* Remove complex pseudo-elements for cleaner app-like styling */
.card::before,
.card::after {
  display: none;
}
.card h3 { 
  margin-top: 0; 
  margin-bottom: var(--space-12); 
  font-family: var(--font-display);
  font-size: 18px;  /* Match app card title size */
  font-weight: 600;
  color: var(--color-text);  /* Full white like app */
  letter-spacing: -0.01em;
}

.card p { 
  margin: 0; 
  color: rgba(255, 255, 255, 0.8);  /* Match app card description text */
  font-size: 15px;  /* Match app card description size */
  line-height: 1.4;
}

/* Card accents - subtle like app cards */
.card.accent-deep { border-left: 3px solid var(--accent-deep); }
.card.accent-essential { border-left: 3px solid var(--accent-essential); }
.card.accent-non { border-left: 3px solid var(--accent-non); }
.card.accent-habits { border-left: 3px solid var(--accent-habits); }

.card:hover {
  background: rgba(11, 11, 30, 0.95);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.screenshots { padding: var(--space-64) 0; }

.view-section {
  margin-bottom: var(--space-96);
  padding-bottom: var(--space-64);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.view-section h3 {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.view-section p {
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.view-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.view-section h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0 0 var(--space-8);
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.view-section p {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-24);
  font-size: var(--font-size-base);
}

.shots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-20);
  grid-auto-flow: row;
  max-width: 600px;
  margin: 0 auto;
}

.shots-grid.compact {
  grid-template-columns: 1fr;
  max-width: 320px;
}

.shot.featured {
  transform: scale(1.05);
  border-color: var(--color-primary);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 0 2px rgba(96,165,250,0.2) inset;
}
.shot {
  position: relative;
  border: 1px solid color-mix(in oklab, var(--color-highlight) 16%, var(--color-border));
  border-radius: calc(var(--radius-lg) + 2px);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)),
    var(--color-surface);
  padding: var(--space-8);
  cursor: zoom-in;
  box-shadow: 0 6px 22px rgba(0,0,0,0.35);
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.shot::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(120% 80% at -15% -20%, rgba(136,201,255,0.14), transparent 55%),
    radial-gradient(90% 70% at 120% 0%, rgba(136,201,255,0.08), transparent 60%);
  pointer-events: none;
}
.shot:hover {
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--color-highlight) 28%, var(--color-border));
  box-shadow: 0 10px 32px rgba(0,0,0,0.45), 0 0 0 1px rgba(136,201,255,0.12) inset;
}
.shot img { width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }

.lightbox {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.7);
  z-index: 50;
}
.lightbox[aria-hidden="false"] { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: var(--radius-lg); box-shadow: var(--shadow-strong); }
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-elevated);
  color: var(--color-text);
  font-size: 24px;
}

.pricing { padding: var(--space-64) 0; }
.pricing-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-24); justify-items: center; }
.price-card { text-align: center; max-width: 520px; }
.price { display: inline-flex; align-items: baseline; gap: var(--space-8); margin: var(--space-8) 0; }
.price .amount { font-size: var(--font-size-2xl); font-weight: 700; }
.price .period { color: var(--color-text-muted); }
.included { list-style: none; margin: var(--space-16) 0 var(--space-24); padding: 0; color: var(--color-text-muted); }
.included li { margin: var(--space-6) 0; }
.or { color: var(--color-text-muted); margin: var(--space-8) 0; }

.faq { padding: var(--space-64) 0; }
.faq-list { max-width: 760px; margin: 0 auto; display: grid; gap: var(--space-12); }
details { background: var(--color-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-16) var(--space-20); }
summary { font-weight: 600; cursor: pointer; }
details[open] summary { color: var(--color-highlight); }

.download { padding: var(--space-64) 0; }
.cta { text-align: center; }




.site-footer {
  margin-top: var(--space-64);
  padding: var(--space-32) 0 var(--space-24);
  border-top: 1px solid var(--color-border);
}
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: var(--space-24); align-items: start; }
.footer-nav { display: grid; gap: var(--space-8); }
.footer-nav a { color: var(--color-text-muted); text-decoration: none; }
.legal { display: flex; justify-content: space-between; gap: var(--space-12); padding-top: var(--space-16); }
.legal a { color: var(--color-text-muted); }

/* ========================
   Animations / Effects
   ======================== */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .5s ease, transform .5s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* ========================
   Responsive
   ======================== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .feature-grid, .shots-grid { grid-template-columns: 1fr; }
  .feature-grid.modern { grid-template-columns: 1fr; }  /* Stack cards on mobile */
  .shots-grid.compact { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .legal { flex-direction: column; align-items: center; text-align: center; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav-list { position: absolute; top: 64px; right: 16px; background: var(--color-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-12); display: none; flex-direction: column; min-width: 220px; box-shadow: var(--shadow-soft); }
  .nav-list.open { display: flex; }
}

@media (max-width: 560px) {
  .feature-grid, .shots-grid { grid-template-columns: 1fr; }
}