/* ==========================================================================
   Cuadernillo Profesional de Práctica de Uñas — Stylesheet
   Auto-hospedado, cero dependencias, < 15 KB comprimido
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Palette */
  --color-bg:        #06060f;
  --color-text:      #f8f8f8;
  --color-text-muted:#9e9e9e;
  --color-card:      #10111a;
  --color-border:    #2c2d38;
  --color-accent:    #C78BA5;   /* Rosa empolvado */
  --color-accent-hover:#b07a92;
  --color-cta:       #C9A96E;   /* Dorado suave */
  --color-cta-hover: #b8975c;
  --color-danger:    #e40014;
  --color-danger2:   #fb2c36;
  --color-white:     #ffffff;
  --color-black:     #0b0b0b;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Poppins', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --section-padding: 4rem 1rem;
  --content-max: 64rem;

  /* Shadows */
  --shadow-card:   0 4px 24px rgba(199, 139, 165, 0.08);
  --shadow-cta:    0 8px 32px rgba(201, 169, 110, 0.25);
  --shadow-accent: 0 8px 32px rgba(199, 139, 165, 0.15);

  /* Radii */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.625;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video {
  display: block;
  max-width: 100%;
  height: auto;
}

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

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: clamp(1.75rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

.section-title {
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-divider {
  width: 6rem;
  height: 0.25rem;
  background: var(--color-cta);
  margin: 0 auto 3rem;
  border-radius: var(--radius-full);
}

.text-accent  { color: var(--color-accent); }
.text-cta     { color: var(--color-cta); }
.text-muted   { color: var(--color-text-muted); }
.text-danger  { color: var(--color-danger); }

.font-heading { font-family: var(--font-heading); }
.font-body    { font-family: var(--font-body); }

/* --------------------------------------------------------------------------
   4. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: var(--section-padding);
}

@media (min-width: 768px) {
  .section { padding: 5rem 2rem; }
}

.section-alt {
  background-color: rgba(16, 17, 26, 0.3);
}

.bg-gradient-section {
  background: linear-gradient(to bottom, rgba(16, 17, 26, 0.3), var(--color-bg));
}

.text-center { text-align: center; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --------------------------------------------------------------------------
   5. Sticky Header
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 6, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: transform var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out);
  transform: translateY(-100%);
}

.site-header.visible {
  transform: translateY(0);
  border-bottom-color: var(--color-border);
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0.75rem 1rem;
}

.site-header .logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-accent);
}

.site-header .header-cta {
  display: inline-block;
  background: var(--color-cta);
  color: var(--color-black);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  transition: background var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.site-header .header-cta:hover {
  background: var(--color-cta-hover);
  transform: scale(1.05);
}

/* --------------------------------------------------------------------------
   6. Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.card:hover {
  border-color: rgba(199, 139, 165, 0.5);
  box-shadow: var(--shadow-card);
}

/* --------------------------------------------------------------------------
   7. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}

.btn:hover {
  transform: scale(1.05);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #b07a92);
  color: var(--color-white);
  box-shadow: var(--shadow-accent);
}

.btn-cta {
  background: linear-gradient(135deg, var(--color-cta), #d4b87a, var(--color-cta));
  color: var(--color-black);
  box-shadow: var(--shadow-cta);
  font-size: 1.125rem;
  padding: 1rem 2.5rem;
}

.btn-cta:hover {
  box-shadow: 0 12px 40px rgba(201, 169, 110, 0.35);
}

.btn-lg {
  font-size: 1.25rem;
  padding: 1.125rem 3rem;
}

/* --------------------------------------------------------------------------
   8. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  padding: 6rem 1rem 4rem;
  position: relative;
}

.hero .hero-content {
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero h1 .highlight {
  color: var(--color-cta);
}

.hero h1 .hero-deco {
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.25em;
  text-decoration-thickness: 2px;
}

.hero .hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 42rem;
  margin: 0 auto 2rem;
  line-height: 1.625;
}

.hero .hero-stat {
  background: rgba(16, 17, 26, 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  max-width: 36rem;
  margin: 0 auto 2rem;
  font-size: 1.125rem;
  line-height: 1.625;
}

.hero .hero-stat .stat-number {
  color: var(--color-cta);
  font-weight: 800;
  font-size: 1.5rem;
}

.hero .hero-stat .stat-badge {
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
}

/* Video wrapper */
.video-wrapper {
  position: relative;
  max-width: 36rem;
  margin: 0 auto 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 4px solid rgba(199, 139, 165, 0.3);
  box-shadow: 0 0 40px rgba(199, 139, 165, 0.1);
  background: var(--color-card);
}

.video-wrapper video {
  width: 100%;
  display: block;
}

.video-wrapper .video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 6, 15, 0.5);
  cursor: pointer;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.video-wrapper .video-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.video-wrapper .video-overlay .play-icon {
  width: 4rem;
  height: 4rem;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(199, 139, 165, 0.4);
  transition: transform var(--duration-fast) var(--ease-out);
}

.video-wrapper .video-overlay:hover .play-icon {
  transform: scale(1.1);
}

/* Video portrait (vertical) */
.video-wrapper.video-portrait {
  max-width: 20rem;
}

/* Hero gallery */
.hero-gallery {
  margin-top: 3rem;
}

.hero-gallery h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 42rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); }
}

.gallery-grid .gallery-item {
  aspect-ratio: 3 / 4;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 2px solid rgba(199, 139, 165, 0.2);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out);
}

.gallery-grid .gallery-item:hover {
  transform: scale(1.05);
}

.gallery-grid .gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Email delivery notice */
.delivery-notice {
  background: linear-gradient(to right, rgba(199, 139, 165, 0.15), rgba(16, 17, 26, 0.8), rgba(199, 139, 165, 0.15));
  border: 1px solid rgba(199, 139, 165, 0.3);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  max-width: 36rem;
  margin: 0 auto;
  font-size: 1.125rem;
  line-height: 1.625;
}

.delivery-notice .email-highlight {
  color: var(--color-accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   9. Benefits Section
   -------------------------------------------------------------------------- */
.benefit-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 36rem;
  margin: 0 auto;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.benefit-item:hover {
  border-color: rgba(199, 139, 165, 0.5);
}

.benefit-item .benefit-icon {
  flex-shrink: 0;
  color: var(--color-cta);
}

.benefit-item .benefit-label {
  color: var(--color-accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   10. Target Audience Section
   -------------------------------------------------------------------------- */
.audience-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 36rem;
  margin: 0 auto;
}

.audience-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: linear-gradient(to right, var(--color-card), rgba(16,17,26,0.5));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.audience-item:hover {
  border-color: rgba(199, 139, 165, 0.5);
}

.audience-item .audience-bullet {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.125rem;
}

/* --------------------------------------------------------------------------
   11. Practice Section
   -------------------------------------------------------------------------- */
.practice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 42rem;
  margin: 0 auto 2rem;
}

@media (min-width: 768px) {
  .practice-grid { grid-template-columns: repeat(2, 1fr); }
}

.practice-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.practice-item:hover {
  border-color: rgba(199, 139, 165, 0.5);
}

.practice-item .practice-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--color-accent), #b07a92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.practice-banner {
  max-width: 42rem;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(199, 139, 165, 0.1), rgba(16,17,26,0.8), rgba(201, 169, 110, 0.1));
  border: 1px solid rgba(199, 139, 165, 0.3);
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
}

.practice-banner .banner-number {
  color: var(--color-cta);
  font-weight: 800;
  font-size: 1.5rem;
}

/* --------------------------------------------------------------------------
   12. Features Section
   -------------------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 48rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: center;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.feature-card:hover {
  border-color: rgba(199, 139, 165, 0.5);
}

.feature-card .feature-icon-wrap {
  width: 4rem;
  height: 4rem;
  background: linear-gradient(135deg, var(--color-accent), #b07a92);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-white);
  transition: transform var(--duration-fast) var(--ease-out);
}

.feature-card:hover .feature-icon-wrap {
  transform: scale(1.1);
}

.feature-card .feature-check {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.feature-card h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-accent);
  text-transform: uppercase;
  font-weight: 700;
}

.feature-card p {
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   13. Bonuses Section
   -------------------------------------------------------------------------- */
.bonus-header {
  text-align: center;
  margin-bottom: 2rem;
}

.bonus-header .bonus-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(201, 169, 110, 0.15);
  color: var(--color-cta);
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.bonus-intro {
  max-width: 42rem;
  margin: 0 auto 2rem;
  text-align: center;
  background: var(--color-card);
  border: 1px solid rgba(199, 139, 165, 0.3);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.bonus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 56rem;
  margin: 0 auto 2.5rem;
}

@media (min-width: 640px) {
  .bonus-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .bonus-grid { grid-template-columns: repeat(3, 1fr); }
}

.bonus-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.bonus-card:hover {
  border-color: rgba(199, 139, 165, 0.5);
  box-shadow: var(--shadow-card);
}

.bonus-card .bonus-img-wrap {
  background: rgba(32, 33, 43, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
}

.bonus-card .bonus-img-wrap img {
  max-width: 200px;
  width: 100%;
  object-fit: contain;
  aspect-ratio: 3 / 4;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.3));
  transition: transform var(--duration-normal) var(--ease-out);
}

.bonus-card:hover .bonus-img-wrap img {
  transform: scale(1.05);
}

.bonus-card .bonus-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.bonus-card .bonus-num {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  align-self: flex-start;
}

.bonus-card .bonus-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.bonus-card .bonus-desc {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  flex: 1;
}

.bonus-card .bonus-price {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bonus-card .bonus-price .price-old {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-decoration: line-through;
}

.bonus-card .bonus-price .price-free {
  color: var(--color-cta);
  font-weight: 700;
  font-size: 0.875rem;
}

.bonus-more {
  text-align: center;
  max-width: 42rem;
  margin: 0 auto;
  background: linear-gradient(to right, rgba(199, 139, 165, 0.15), rgba(201, 169, 110, 0.1), rgba(199, 139, 165, 0.15));
  border: 1px solid rgba(199, 139, 165, 0.3);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

/* --------------------------------------------------------------------------
   14. Pricing Section
   -------------------------------------------------------------------------- */
#precio {
  background: linear-gradient(to bottom, var(--color-bg), rgba(199, 139, 165, 0.03), var(--color-bg));
}

.discount-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-danger2);
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.25rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  margin-bottom: 2rem;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.pricing-card {
  max-width: 36rem;
  margin: 0 auto;
  background: var(--color-card);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 0 40px rgba(199, 139, 165, 0.1);
}

.pricing-header {
  background: linear-gradient(135deg, var(--color-accent), #b07a92);
  padding: 1.5rem;
  text-align: center;
}

.pricing-header h2 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.pricing-header p {
  color: rgba(255,255,255,0.85);
}

.pricing-body {
  padding: 2rem;
}

.pricing-body .price-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.pricing-body .price-old {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.pricing-body .price-current {
  font-size: clamp(3rem, 8vw, 4rem);
  font-weight: 800;
  color: var(--color-cta);
  line-height: 1;
}

/* Countdown */
.countdown {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin: 2rem 0;
}

.countdown-block {
  text-align: center;
}

.countdown-block .countdown-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(3.5rem, 10vw, 5rem);
  height: clamp(3.5rem, 10vw, 5rem);
  background: linear-gradient(to bottom, var(--color-accent), #b07a92);
  color: var(--color-white);
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 800;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(199, 139, 165, 0.3);
}

.countdown-block .countdown-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.375rem;
  text-transform: uppercase;
}

/* Stock scarcity */
.stock-alert {
  background: rgba(228, 0, 20, 0.15);
  border: 1px solid rgba(228, 0, 20, 0.5);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.stock-alert .stock-number {
  color: var(--color-danger);
  font-weight: 800;
  font-size: 1.5rem;
}

.stock-alert .stock-discount {
  color: var(--color-cta);
  font-weight: 700;
}

/* Extra bonuses */
.extra-bonuses {
  background: rgba(201, 169, 110, 0.1);
  border: 1px solid rgba(201, 169, 110, 0.3);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.extra-bonuses h3 {
  font-family: var(--font-body);
  font-weight: 700;
  margin-bottom: 1rem;
}

.extra-bonus-item {
  background: rgba(16, 17, 26, 0.5);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 0.75rem;
}

/* --------------------------------------------------------------------------
   15. Testimonials
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 48rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.testimonial-card:hover {
  border-color: rgba(199, 139, 165, 0.5);
}

.testimonial-card .testimonial-avatar {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--color-accent), #b07a92);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.testimonial-card .testimonial-stars {
  display: flex;
  gap: 0.125rem;
  margin-bottom: 0.75rem;
  color: var(--color-cta);
}

.testimonial-card .testimonial-author {
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-card .testimonial-location {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   16. Video Tutorial + Guarantees
   -------------------------------------------------------------------------- */
.guarantees-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 36rem;
  margin: 2rem auto 0;
}

@media (min-width: 768px) {
  .guarantees-grid { grid-template-columns: repeat(4, 1fr); }
}

.guarantee-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.guarantee-item .guarantee-icon {
  color: var(--color-accent);
}

.guarantee-item .guarantee-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   17. FAQ
   -------------------------------------------------------------------------- */
.faq-list {
  max-width: 42rem;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-item summary {
  padding: 1.25rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
  transition: color var(--duration-fast) var(--ease-out);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--duration-fast) var(--ease-out);
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item summary:hover {
  color: var(--color-accent);
}

.faq-item .faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.625;
}

/* --------------------------------------------------------------------------
   18. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: rgba(16, 17, 26, 0.5);
  padding: 2rem 1rem;
  text-align: center;
}

.site-footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  transition: color var(--duration-fast) var(--ease-out);
}

.site-footer a:hover {
  color: var(--color-accent);
}

.site-footer .copyright {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   19. Animations
   -------------------------------------------------------------------------- */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* --------------------------------------------------------------------------
   20. Utility classes
   -------------------------------------------------------------------------- */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.uppercase { text-transform: uppercase; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.tracking-wide { letter-spacing: 0.025em; }

/* --------------------------------------------------------------------------
   21. Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}