/* ===================== Design tokens ===================== */
:root,
[data-theme='light'] {
  --color-bg: #f8f6f2;
  --color-surface: #ffffff;
  --color-surface-2: #f2efe9;
  --color-surface-offset: #eeeae2;
  --color-border: #e0dbd1;
  --color-divider: #e6e1d7;

  --color-text: #201c16;
  --color-text-muted: #6e6a62;
  --color-text-faint: #a8a297;
  --color-text-inverse: #f8f6f2;

  --color-primary: #9b5704;
  --color-primary-hover: #7a4503;
  --color-primary-highlight: #fde8d2;
  --color-primary-solid: #f99010;
  --color-primary-solid-hover: #e07d00;
  --color-on-primary: #1d242b;

  --color-ink: #16181d;
  --color-ink-2: #1f232b;

  --color-success: #437a22;
  --color-error: #a12c7b;

  --radius-sm: 0.4rem;
  --radius-md: 0.7rem;
  --radius-lg: 1.1rem;
  --radius-xl: 1.6rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.08);
  --shadow-md: 0 8px 24px oklch(0.2 0.02 40 / 0.10);
  --shadow-lg: 0 24px 60px oklch(0.15 0.02 40 / 0.18);

  --content-narrow: 640px;
  --content-default: 1000px;
  --content-wide: 1240px;

  --font-display: 'Cabinet Grotesk', 'General Sans', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'General Sans', 'Segoe UI', sans-serif;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.85rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.95rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.1rem);
  --text-lg: clamp(1.15rem, 1.02rem + 0.6vw, 1.4rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.1vw, 2.1rem);
  --text-2xl: clamp(2rem, 1.3rem + 2.4vw, 3.4rem);
  --text-3xl: clamp(2.4rem, 1.1rem + 3.6vw, 4.6rem);
}

[data-theme='dark'] {
  --color-bg: #14120f;
  --color-surface: #1c1916;
  --color-surface-2: #211d19;
  --color-surface-offset: #262119;
  --color-border: #372f26;
  --color-divider: #2c261f;

  --color-text: #efe9df;
  --color-text-muted: #a89f92;
  --color-text-faint: #756c60;
  --color-text-inverse: #14120f;

  --color-primary: #fdab43;
  --color-primary-hover: #ffc26b;
  --color-primary-highlight: #4a3322;
  --color-primary-solid: #f99010;
  --color-primary-solid-hover: #ffa53d;
  --color-on-primary: #1d242b;

  --color-ink: #0c0d10;
  --color-ink-2: #14171d;

  --color-success: #6daa45;
  --color-error: #d163a7;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 24px 60px oklch(0 0 0 / 0.5);
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
  overflow-x: hidden;
}

img, picture, video, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'] { list-style: none; }
button, input { font: inherit; color: inherit; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.12; font-family: var(--font-body); }
p, li, figcaption { text-wrap: pretty; }

a { color: inherit; text-decoration: none; }

::selection { background: oklch(from var(--color-primary) l c h / 0.25); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

.wrap {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.wrap--narrow { max-width: var(--content-default); }

section { padding-block: clamp(3.5rem, 8vw, 7rem); }

/* ===================== Header ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 5.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
}

.brand img { width: 42px; height: 42px; border-radius: 10px; }

.main-nav { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); }

.main-nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.main-nav a:hover { color: var(--color-text); }

.header-actions { display: flex; align-items: center; gap: 0.75rem; }

.nav-toggle { display: none; }

/* Theme toggle */
.theme-toggle {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: border-color var(--transition-interactive), color var(--transition-interactive);
}
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* ===================== Buttons ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  transition: transform var(--transition-interactive), background var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary-solid);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--color-primary-solid-hover); box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn--sm { padding: 0.55rem 1.1rem; font-size: var(--text-xs); }

/* ===================== Hero ===================== */
.hero {
  padding-block: clamp(3rem, 9vw, 6rem) clamp(2rem, 6vw, 4rem);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
  margin-bottom: 1.75rem;
}

.price-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.9rem 1.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}
.price-badge strong { font-family: var(--font-body); font-size: var(--text-lg); color: var(--color-primary); }
.price-badge span { font-size: var(--text-sm); color: var(--color-text-muted); }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-bottom: 1.25rem; }

.hero-note { font-size: var(--text-xs); color: var(--color-text-faint); }

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.device-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  background: var(--color-ink);
  max-width: 480px;
}
.device-frame img { display: block; width: 100%; cursor: zoom-in; }

.device-frame--browser::before {
  content: '';
  display: block;
  height: 1.6rem;
  background: linear-gradient(180deg, #2a2620, #1c1916);
}

.phone-float {
  position: absolute;
  bottom: -2.5rem;
  right: -2.25rem;
  width: 34%;
  border-radius: 1.6rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 6px solid var(--color-ink);
  background: var(--color-ink);
}

/* ===================== Section headings ===================== */
.section-head {
  max-width: 640px;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.section-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
  display: block;
}
.section-head h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.section-head p { color: var(--color-text-muted); font-size: var(--text-base); }
.section-head--center { margin-inline: auto; text-align: center; }

/* ===================== Reasons ===================== */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.reasons-grid--2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 640px;
  margin-inline: auto;
}
.reason-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
}
.reason-card .num {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: 0.9rem;
  display: block;
}
.reason-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.reason-card p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* ===================== Tier comparison (LIFA vs LIFA PLUS) ===================== */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}
.tier-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.tier-card--highlight {
  border-color: var(--color-primary-solid);
  box-shadow: var(--shadow-md);
}
.tier-card h3 { font-size: var(--text-lg); font-weight: 700; margin: 0.75rem 0 0.15rem; }
.tier-sub { display: block; font-size: var(--text-xs); color: var(--color-text-muted); margin-bottom: 0.6rem; }
.tier-card > p { color: var(--color-text-muted); font-size: var(--text-sm); margin-bottom: 1rem; }
.tier-card ul[role='list'] { display: grid; gap: 0.55rem; margin-bottom: 1.25rem; }
.tier-card li { display: flex; gap: 0.55rem; font-size: var(--text-sm); color: var(--color-text); }
.tier-card li svg { flex-shrink: 0; color: var(--color-success); margin-top: 0.15rem; }
.tier-card .btn { margin-top: auto; align-self: flex-start; }
.tier-badge {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-full);
  width: fit-content;
}
.tier-badge--free { background: var(--color-surface-2); color: var(--color-success); }
.tier-badge--paid { background: var(--color-primary-highlight); color: var(--color-primary); }

/* ===================== Feature showcase rows ===================== */
.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--color-divider);
}
.showcase-row:last-of-type { border-bottom: none; }
.showcase-row.reverse .showcase-media { order: 2; }
.showcase-row.reverse .showcase-copy { order: 1; }

.showcase-copy .section-eyebrow { margin-bottom: 0.5rem; }
.showcase-copy h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: 0.9rem;
}
.showcase-copy p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: 1rem;
  max-width: 44ch;
}
.showcase-copy ul { display: grid; gap: 0.5rem; margin-top: 1rem; }
.showcase-copy li {
  display: flex;
  gap: 0.55rem;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.showcase-copy li svg { flex-shrink: 0; color: var(--color-success); margin-top: 0.15rem; }

.showcase-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.showcase-media img { display: block; width: 100%; cursor: zoom-in; }

/* ===================== Image lightbox ===================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(10, 9, 8, 0.86);
  cursor: zoom-out;
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  cursor: default;
}
.lightbox-close {
  position: absolute;
  top: clamp(0.75rem, 3vw, 1.75rem);
  right: clamp(0.75rem, 3vw, 1.75rem);
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.22); }

/* ===================== Feature list grid ===================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.feature-item {
  display: flex;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}
.feature-item .icon {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: grid;
  place-items: center;
}
.feature-item h4 { font-size: var(--text-base); font-weight: 700; margin-bottom: 0.3rem; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.feature-tag { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.02em; text-transform: uppercase; color: var(--color-primary); background: var(--color-primary-highlight); padding: 0.15rem 0.5rem; border-radius: 999px; }
.feature-item p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ===================== Mobile strip ===================== */
.mobile-strip {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}
.mobile-strip .device-frame { max-width: 280px; margin-inline: auto; }

/* ===================== CTA band ===================== */
.cta-band {
  background: var(--color-ink);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band h2 {
  font-size: var(--text-xl);
  color: #fff;
  margin-bottom: 0.75rem;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 42ch;
  margin-inline: auto;
  margin-bottom: 2rem;
}
.cta-band p strong { color: #fff; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.85rem; }
.cta-band .btn--ghost { border-color: rgba(255, 255, 255, 0.25); color: #fff; }
.cta-band .btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ===================== Footer ===================== */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: var(--text-sm); color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }
.disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  border-top: 1px solid var(--color-divider);
  padding-top: 1.5rem;
  max-width: 72ch;
}
.copyright { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: 1rem; }

/* ===================== Responsive ===================== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 1rem; }
  .reasons-grid { grid-template-columns: 1fr; }
  .tier-grid { grid-template-columns: 1fr; }
  .showcase-row, .showcase-row.reverse { grid-template-columns: 1fr; }
  .showcase-row.reverse .showcase-media,
  .showcase-row.reverse .showcase-copy { order: unset; }
  .feature-grid { grid-template-columns: 1fr; }
  .mobile-strip { grid-template-columns: 1fr; text-align: center; }
  .phone-float { display: none; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
}