/**
 * Mezzo — Landing Page Styles
 * Uses design token custom properties exclusively for colors, fonts, spacing.
 */

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

.hidden {
  display: none !important;
}

/* ── Base ── */
html {
  scroll-behavior: smooth;
  overflow-y: scroll;
}

body {
  background: var(--surface);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ── Page container ── */
.page {
  opacity: 0;
  transition: opacity 300ms ease;

  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: clip;
  isolation: isolate;
  margin-top: -76px;
  padding-top: 76px;
}


.page.is-visible {
  opacity: 1;
}

.hero,
.landing-section,
.how-it-works {
  position: relative;
  z-index: 2;
}

/* ═══════════════════════════════════════════
   Navigation
   ═══════════════════════════════════════════ */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 10;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, -webkit-backdrop-filter 0.3s ease;
}

.nav-scrolled {
  background: var(--surface-nav, rgba(240, 235, 226, 0.9));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #D8D0C3;
}

.type-nav-wordmark {
  text-decoration: none;
}

.nav-links,
.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: 14px;
  transition: opacity 0.2s ease;
}

.nav-link:hover {
  opacity: 0.7;
}

.nav-link-quiet {
  color: var(--text-subdued);
}

.nav-link-accent {
  color: var(--hanko-fill);
}

.nav-link-active {
  color: var(--text-default);
  cursor: default;
  padding-bottom: 3px;
  border-bottom: 4px solid rgba(194, 92, 65, 0.5);
}

.nav-link-active:hover {
  opacity: 1;
}

/* ═══════════════════════════════════════════
   Background Ring Graphic
   ═══════════════════════════════════════════ */

.hero-ring {
  position: absolute;
  left: calc(-8vw + 10px);
  top: -5vh;
  width: 55vw;
  height: auto;
  pointer-events: none;
  user-select: none;
  z-index: 1;
}

/* ═══════════════════════════════════════════
   Section 1: Hero (centered)
   ═══════════════════════════════════════════ */

.hero {
  position: relative;
  padding: 96px 32px 72px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}

.hero-content .type-hero-heading {
  margin-bottom: var(--space-heading-to-content);
}

.hero-body {
  margin-bottom: 48px;
  max-width: 500px;
  margin-inline: auto;
}

.hero-how-link {
  color: var(--text-default);
  text-decoration: underline;
}

/* ── Buttons with icon ── */
.btn-with-icon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-icon {
  width: 14px;
  height: 19px;
  flex-shrink: 0;
}

.microcopy-cta {
  margin-top: 24px;
}

/* Statement line — inside hero, spaced from microcopy */
.statement-line {
  margin-top: 48px;
}

/* ── CTA link styled as button ── */
a.btn-primary {
  text-decoration: none;
}

/* ═══════════════════════════════════════════
   Shared Landing Sections (single-column centered)
   ═══════════════════════════════════════════ */

.landing-section {
  padding: 168px 32px 0;
  display: flex;
  justify-content: center;
}

.landing-section-last {
  padding-bottom: 72px;
}

.landing-col {
  width: 100%;
  max-width: 520px;
  text-align: center;
}

.landing-section-heading {
  margin-bottom: 48px;
}

/* ── Steps ── */
.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  text-align: left;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 48px 0;
  border-top: 2px solid #F0EBE2;
}

.step:last-child {
  border-bottom: 2px solid #F0EBE2;
}

.step .type-step-number {
  flex-shrink: 0;
  width: 40px;
}

.step .type-step-heading {
  margin-bottom: 4px;
}

/* ═══════════════════════════════════════════
   Section 2: How It Works (full-bleed background + two columns)
   ═══════════════════════════════════════════ */

.how-it-works {
  background: #E6DFD4;
  padding: 96px 32px 72px;
}

.how-it-works-grid {
  display: grid;
  grid-template-columns: 1fr;
}

.how-it-works-card {
  display: none;
  width: 353px;
  height: 404px;
  border-radius: 16px;
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  flex-shrink: 0;
}

.how-it-works-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.how-it-works-heading {
  margin-bottom: 48px;
}

/* ── Good-for list ── */
.good-for-list {
  list-style: none;
  display: inline-block;
  text-align: left;
}

.good-for-list li {
  margin-bottom: 8px;
}

.good-for-list li::before {
  content: '—  ';
  color: var(--text-body);
}

.good-for-note {
  margin-top: 16px;
}

/* ═══════════════════════════════════════════
   Scroll-triggered Reveal
   ═══════════════════════════════════════════ */

.reveal {
  opacity: 0;
  transform: translateY(var(--reveal-offset));
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════ */

/* Desktop: 12-column grid (120px margins, 20px gutters) */
@media (min-width: 900px) {
  .nav {
    padding-left: 120px;
    padding-right: 120px;
  }

  .hero {
    padding: 96px 120px 72px;
  }

  /* Hero heading uses character-based width; body content keeps its own max-width */
  .hero-content {
    max-width: none;
  }

  .hero-content .type-hero-heading {
    max-width: 20ch;
    margin-inline: auto;
  }

  /* 8 of 12 columns centered */
  .landing-col {
    max-width: calc((100vw - 240px) * 2 / 3);
  }

  /* Section headings use character-based width */
  .landing-section-heading {
    max-width: 40ch;
    margin-inline: auto;
  }

  /* How It Works: two-column layout with screenshot */
  .how-it-works {
    padding: 96px 120px 72px;
  }

  .how-it-works-grid {
    grid-template-columns: 353px 1fr;
    grid-template-rows: auto 1fr;
    column-gap: 48px;
    max-width: calc(353px + 48px + (100vw - 240px) * 5 / 12);
    margin-inline: auto;
  }

  .how-it-works-heading {
    grid-column: 2;
    grid-row: 1;
  }

  .how-it-works-card {
    display: block;
    grid-column: 1;
    grid-row: 2;
    align-self: start;
  }

  .how-it-works .steps {
    grid-column: 2;
    grid-row: 2;
  }

  .landing-section {
    padding-left: 120px;
    padding-right: 120px;
  }
}

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