/* ==========================================================================
   SAFE STEPS HOME — Design System
   Warm, dignifying, trustworthy. For aging in place buyers.
   ========================================================================== */

:root,
[data-theme='light'] {
  /* Surfaces — soft cream + sage tints */
  --color-bg: #f7f4ec;
  --color-surface: #fbf8f1;
  --color-surface-2: #fffdf7;
  --color-surface-offset: #efeadd;
  --color-surface-offset-2: #e6dfce;
  --color-divider: #ddd6c5;
  --color-border: #cdc4ad;

  /* Text */
  --color-text: #2a2a25;
  --color-text-muted: #6e6c63;
  --color-text-faint: #a8a59a;
  --color-text-inverse: #faf7ef;

  /* Primary — deep sage / forest */
  --color-primary: #3d5a45;
  --color-primary-hover: #2c4533;
  --color-primary-active: #1f3225;
  --color-primary-highlight: #cfd8c9;

  /* Warm accent — terracotta */
  --color-accent: #b9613b;
  --color-accent-hover: #9c4d2c;
  --color-accent-highlight: #ecd5c5;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6vw, 6rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(60, 50, 30, 0.06);
  --shadow-md: 0 6px 18px rgba(60, 50, 30, 0.08);
  --shadow-lg: 0 16px 40px rgba(60, 50, 30, 0.12);

  /* Widths */
  --content-narrow: 680px;
  --content-default: 1080px;
  --content-wide: 1280px;

  /* Fonts */
  --font-display: 'Boska', 'Source Serif 4', Georgia, serif;
  --font-body: 'Work Sans', 'Inter', system-ui, sans-serif;
}

[data-theme='dark'] {
  --color-bg: #1a1a17;
  --color-surface: #21201d;
  --color-surface-2: #26251f;
  --color-surface-offset: #2c2a23;
  --color-surface-offset-2: #353229;
  --color-divider: #302d26;
  --color-border: #45413a;
  --color-text: #ece8dc;
  --color-text-muted: #97938a;
  --color-text-faint: #6a665e;
  --color-text-inverse: #1a1a17;
  --color-primary: #94b08d;
  --color-primary-hover: #b3c9ac;
  --color-primary-active: #7a9572;
  --color-primary-highlight: #3a4a37;
  --color-accent: #d98060;
  --color-accent-hover: #e89a7d;
  --color-accent-highlight: #4a3024;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #1a1a17;
    --color-surface: #21201d;
    --color-surface-2: #26251f;
    --color-surface-offset: #2c2a23;
    --color-surface-offset-2: #353229;
    --color-divider: #302d26;
    --color-border: #45413a;
    --color-text: #ece8dc;
    --color-text-muted: #97938a;
    --color-text-faint: #6a665e;
    --color-text-inverse: #1a1a17;
    --color-primary: #94b08d;
    --color-primary-hover: #b3c9ac;
    --color-accent: #d98060;
  }
}

/* ==========================================================================
   Base
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  transition: background 300ms ease, color 300ms ease;
}

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

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--color-text);
}

p, li { text-wrap: pretty; max-width: 68ch; }

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition-interactive);
}
a:hover { color: var(--color-primary-hover); }

::selection { background: var(--color-primary-highlight); color: var(--color-text); }

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

button {
  cursor: pointer; background: none; border: none; font: inherit; color: inherit;
}

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

/* ==========================================================================
   Layout primitives
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--wide { max-width: var(--content-wide); }
.container--narrow { max-width: var(--content-narrow); }

.section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }
.section--tight { padding-block: clamp(var(--space-10), 6vw, var(--space-20)); }

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 300ms ease;
}
.header.scrolled { border-bottom-color: var(--color-divider); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--color-primary); }
.brand-mark { color: var(--color-primary); }

.nav-links {
  display: none;
  gap: var(--space-8);
  align-items: center;
}
.nav-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
}
.nav-links a:hover { color: var(--color-text); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

@media (min-width: 860px) {
  .nav-links { display: inline-flex; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-interactive);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--accent {
  background: var(--color-accent);
  color: #fff;
}
.btn--accent:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }

.theme-toggle {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: all var(--transition-interactive);
}
.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding-block: clamp(var(--space-12), 8vw, var(--space-24)) clamp(var(--space-16), 9vw, var(--space-32));
}
.hero-grid {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1fr 1fr; gap: var(--space-16); }
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.hero h1 {
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}
.hero h1 em {
  font-style: italic;
  color: var(--color-primary);
  font-weight: 400;
}
.hero-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 50ch;
  line-height: 1.55;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.hero-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; }

/* ==========================================================================
   Trust strip
   ========================================================================== */

.trust {
  border-block: 1px solid var(--color-divider);
  padding-block: var(--space-10);
  background: var(--color-surface);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  text-align: center;
}
@media (min-width: 720px) { .trust-grid { grid-template-columns: repeat(4, 1fr); } }
.trust-stat .num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-1);
}
.trust-stat .lbl {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ==========================================================================
   Section heading
   ========================================================================== */

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-16);
}
.section-head .eyebrow { margin-bottom: var(--space-4); }
.section-head h2 {
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.section-head h2 em { font-style: italic; color: var(--color-primary); }
.section-head p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   Category cards
   ========================================================================== */

.cat-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 680px) { .cat-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1040px) { .cat-grid { grid-template-columns: repeat(3, 1fr); } }

.cat-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-interactive);
  text-decoration: none;
  color: inherit;
}
.cat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-highlight);
  color: inherit;
}
.cat-card-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-surface-offset);
}
.cat-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}
.cat-card:hover .cat-card-img img { transform: scale(1.04); }
.cat-card-body { padding: var(--space-6) var(--space-6) var(--space-8); }
.cat-card-meta {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.cat-card h3 {
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.cat-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: var(--space-4);
}
.cat-card .arrow {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* ==========================================================================
   Editorial / pull
   ========================================================================== */

.pull {
  background: var(--color-surface-offset);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-20));
  display: grid;
  gap: var(--space-10);
  align-items: center;
}
@media (min-width: 880px) { .pull { grid-template-columns: 1.1fr 1fr; gap: var(--space-16); } }
.pull h2 {
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-4);
}
.pull-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-xl);
  line-height: 1.3;
  color: var(--color-text);
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-6);
  margin-bottom: var(--space-6);
}
.pull cite {
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Article list (homepage editorial)
   ========================================================================== */

.article-grid {
  display: grid;
  gap: var(--space-10) var(--space-8);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .article-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1040px) { .article-grid { grid-template-columns: repeat(3, 1fr); } }

.article-card { text-decoration: none; color: inherit; display: block; }
.article-card:hover h3 { color: var(--color-primary); }
.article-card-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  background: var(--color-surface-offset);
}
.article-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 500ms ease;
}
.article-card:hover .article-card-img img { transform: scale(1.03); }
.article-card-meta {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.article-card h3 {
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: var(--space-2);
  transition: color var(--transition-interactive);
}
.article-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   CTA band — pay-per-call
   ========================================================================== */

.cta-band {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  display: grid;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 760px) { .cta-band { grid-template-columns: 1.4fr 1fr; } }
.cta-band h2 {
  color: var(--color-text-inverse);
  font-size: var(--text-2xl);
  font-weight: 400;
  margin-bottom: var(--space-4);
}
.cta-band h2 em { font-style: italic; }
.cta-band p {
  color: color-mix(in oklab, var(--color-text-inverse) 85%, transparent);
  font-size: var(--text-base);
  max-width: 50ch;
}
.cta-band-actions {
  display: flex; flex-direction: column; gap: var(--space-3);
}
.btn--phone {
  background: var(--color-text-inverse);
  color: var(--color-primary);
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-8);
}
.btn--phone:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.cta-band-note {
  font-size: var(--text-xs);
  color: color-mix(in oklab, var(--color-text-inverse) 70%, transparent);
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Article page
   ========================================================================== */

.article-hero {
  padding-block: var(--space-12) var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}
.article-hero .container { max-width: var(--content-narrow); }
.article-hero .meta {
  display: flex; gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}
.article-hero .meta span + span::before {
  content: '·'; padding-right: var(--space-3); color: var(--color-text-faint);
}
.article-hero h1 {
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}
.article-hero .lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.55;
}

.article-feature-img {
  width: 100%;
  max-width: var(--content-default);
  margin: var(--space-12) auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.article-feature-img img { width: 100%; height: 100%; object-fit: cover; }

.prose {
  max-width: 65ch;
  margin-inline: auto;
  padding-inline: var(--space-6);
  font-size: var(--text-base);
  line-height: 1.75;
}
.prose h2 {
  font-size: var(--text-xl);
  font-weight: 500;
  margin-top: var(--space-16);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}
.prose h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-top: var(--space-10);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.prose p { margin-bottom: var(--space-5); }
.prose ul, .prose ol {
  margin: var(--space-5) 0;
  padding-left: var(--space-6);
}
.prose li { margin-bottom: var(--space-2); }
.prose blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  line-height: 1.4;
  color: var(--color-text);
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-6);
  margin: var(--space-10) 0;
}
.prose strong { font-weight: 600; color: var(--color-text); }
.prose hr {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: var(--space-12) 0;
}

/* Affiliate product card inside article */
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-8) 0;
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 600px) { .product-card { grid-template-columns: 1fr 2fr; align-items: center; } }
.product-card .badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.product-card h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-2);
}
.product-card .price {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.product-card .product-img {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  overflow: hidden;
}
.product-card .product-img img { width: 100%; height: 100%; object-fit: cover; }

/* Inline phone CTA inside article */
.phone-inline {
  background: var(--color-primary-highlight);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin: var(--space-10) 0;
}
.phone-inline strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary-active);
  margin-bottom: var(--space-2);
}
[data-theme='dark'] .phone-inline strong { color: var(--color-primary-hover); }
.phone-inline a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  text-decoration: none;
  margin-top: var(--space-3);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--color-surface-offset);
  padding-block: var(--space-16) var(--space-8);
  margin-top: var(--space-24);
  border-top: 1px solid var(--color-divider);
}
.footer-grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-12);
}
@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.footer h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.footer ul { list-style: none; display: grid; gap: var(--space-2); }
.footer a {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
}
.footer a:hover { color: var(--color-primary); }
.footer-mark { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 36ch; }
.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Disclosure banner
   ========================================================================== */
.disclosure {
  background: var(--color-surface-offset-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}