/* ============================================================
   MY Water LLC — Design Tokens & Component Styles
   Clean & Modern Water Company Theme
   ============================================================ */

/* --- Type Scale --- */
:root {
  --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);

  /* --- Spacing (4px system) --- */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --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: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Content widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* --- Fonts --- */
  --font-display: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

/* --- Water-Inspired Color Palette --- */
:root, [data-theme="light"] {
  --color-bg:             #f8fafb;
  --color-surface:        #ffffff;
  --color-surface-2:      #f0f4f6;
  --color-surface-offset: #e8eef2;
  --color-divider:        #d1dbe3;
  --color-border:         #c5d1da;

  --color-text:           #1a2b3c;
  --color-text-muted:     #5a6f82;
  --color-text-faint:     #98a8b8;
  --color-text-inverse:   #ffffff;

  /* Deep Water Blue — primary */
  --color-primary:        #0369a1;
  --color-primary-hover:  #075985;
  --color-primary-active: #0c4a6e;
  --color-primary-light:  #e0f2fe;

  /* Success */
  --color-success:        #16a34a;
  --color-success-light:  #dcfce7;

  /* Warning */
  --color-warning:        #d97706;

  /* Error */
  --color-error:          #dc2626;

  --shadow-sm: 0 1px 2px rgba(26, 43, 60, 0.06);
  --shadow-md: 0 4px 12px rgba(26, 43, 60, 0.08);
  --shadow-lg: 0 12px 32px rgba(26, 43, 60, 0.12);
}

[data-theme="dark"] {
  --color-bg:             #0f1a24;
  --color-surface:        #162332;
  --color-surface-2:      #1c2d3e;
  --color-surface-offset: #1a2838;
  --color-divider:        #2a3d50;
  --color-border:         #344d63;

  --color-text:           #d4e0eb;
  --color-text-muted:     #8ba3b8;
  --color-text-faint:     #5a7488;
  --color-text-inverse:   #0f1a24;

  --color-primary:        #38bdf8;
  --color-primary-hover:  #7dd3fc;
  --color-primary-active: #0ea5e9;
  --color-primary-light:  #0c2d4a;

  --color-success:        #4ade80;
  --color-success-light:  #0f2a1a;

  --color-warning:        #fbbf24;
  --color-error:          #f87171;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #0f1a24;
    --color-surface:        #162332;
    --color-surface-2:      #1c2d3e;
    --color-surface-offset: #1a2838;
    --color-divider:        #2a3d50;
    --color-border:         #344d63;
    --color-text:           #d4e0eb;
    --color-text-muted:     #8ba3b8;
    --color-text-faint:     #5a7488;
    --color-text-inverse:   #0f1a24;
    --color-primary:        #38bdf8;
    --color-primary-hover:  #7dd3fc;
    --color-primary-active: #0ea5e9;
    --color-primary-light:  #0c2d4a;
    --color-success:        #4ade80;
    --color-success-light:  #0f2a1a;
    --color-warning:        #fbbf24;
    --color-error:          #f87171;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  }
}

/* ============================================================
   COMPONENTS
   ============================================================ */

/* --- Header / Nav --- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s ease;
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
}
.header-logo svg { flex-shrink: 0; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-interactive);
}
.nav-links a:hover { color: var(--color-primary); }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.header-phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--text-sm);
  white-space: nowrap;
}
.header-phone svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

.theme-toggle {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-2); }

/* Mobile menu */
.mobile-toggle {
  display: none;
  padding: var(--space-2);
  color: var(--color-text);
}
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 60px;
  background: var(--color-bg);
  z-index: 40;
  padding: var(--space-8) var(--space-4);
  flex-direction: column;
  gap: var(--space-6);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a {
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 500;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .header-phone span { display: none; }
  .mobile-toggle { display: flex; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  transition: all var(--transition-interactive);
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-4);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-primary-light) 50%, var(--color-bg) 100%);
}
.hero-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: var(--space-6);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.2);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}
.hero h1 span { color: var(--color-primary); }
.hero-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 52ch;
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.hero-stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
}
.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image img {
  max-height: 480px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-image { order: -1; }
  .hero-image img { max-height: 320px; }
  .hero-desc { margin-inline: auto; }
}

/* --- Sections --- */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-4);
}
.section-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-16));
}
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin: var(--space-4) auto 0;
  line-height: 1.7;
}
.section-alt { background: var(--color-surface-2); }

/* --- Product Cards --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-6);
}
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-interactive);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}
.product-card-image {
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: var(--space-4);
}
.product-card-image img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}
.product-card-badge {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: var(--space-3);
  align-self: flex-start;
}
.product-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.product-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex-grow: 1;
}
.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.product-spec {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.product-spec svg {
  width: 14px;
  height: 14px;
  color: var(--color-primary);
}

/* --- Features / Benefits --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-6);
}
.feature-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  transition: all var(--transition-interactive);
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  border-color: oklch(from var(--color-primary) l c h / 0.3);
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Why Switch / Problem-Solution --- */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.comparison-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
}
.comparison-card.problem {
  background: oklch(from var(--color-error) l c h / 0.06);
  border: 1px solid oklch(from var(--color-error) l c h / 0.15);
}
.comparison-card.solution {
  background: oklch(from var(--color-success) l c h / 0.06);
  border: 1px solid oklch(from var(--color-success) l c h / 0.15);
}
.comparison-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.comparison-card.problem h3 { color: var(--color-error); }
.comparison-card.solution h3 { color: var(--color-success); }
.comparison-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.comparison-card li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.comparison-card li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}
.comparison-card.problem li svg { color: var(--color-error); }
.comparison-card.solution li svg { color: var(--color-success); }

@media (max-width: 768px) {
  .comparison-grid { grid-template-columns: 1fr; }
}

/* --- Installation Steps --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  counter-reset: step;
}
.step-card {
  text-align: center;
  counter-increment: step;
}
.step-image {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-4);
  background: var(--color-surface-2);
}
.step-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}
.step-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.step-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-inline: auto;
}

@media (max-width: 768px) {
  .steps-grid { grid-template-columns: 1fr; max-width: 400px; margin-inline: auto; }
}

/* --- Trial CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-active) 100%);
  color: var(--color-text-inverse);
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-4);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1), transparent 60%);
}
.cta-banner-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.cta-banner p {
  font-size: var(--text-base);
  opacity: 0.9;
  max-width: 50ch;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}
.btn-white {
  background: white;
  color: var(--color-primary);
  font-weight: 700;
}
.btn-white:hover {
  background: var(--color-surface-2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.about-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.about-highlight {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.about-highlight svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.about-highlight span {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}
.contact-info h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.contact-info > p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.contact-detail-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}
.contact-detail h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.contact-detail p, .contact-detail a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.contact-detail a:hover { color: var(--color-primary); }

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
.contact-form h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.form-group {
  margin-bottom: var(--space-4);
}
.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-sm);
  transition: all var(--transition-interactive);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* --- Footer --- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-12) var(--space-4) var(--space-6);
}
.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: var(--space-3);
  max-width: 32ch;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-col a:hover { color: var(--color-primary); }

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-bottom p, .footer-bottom a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
}
.footer-bottom a:hover { color: var(--color-primary); }

@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Product category tabs --- */
.tab-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.tab-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  cursor: pointer;
  transition: all var(--transition-interactive);
}
.tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.tab-btn.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* --- Testimonials --- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-6);
}
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-4);
  color: var(--color-warning);
}
.testimonial-card blockquote {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  font-style: italic;
}
.testimonial-author {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.testimonial-role {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}