/* =============================================
   CLUBE DO LIVRO — Landing Page Stylesheet
   ============================================= */

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

:root {
  /* Colors */
  --clr-primary:        #7c3aed;
  --clr-primary-light:  #9d5ffd;
  --clr-primary-dark:   #5b21b6;
  --clr-accent:         #f97316;
  --clr-accent-light:   #fb923c;

  --clr-bg:             #0a0a1a;
  --clr-bg-alt:         #12122b;
  --clr-surface:        #1e1e3e;
  --clr-surface-high:   #2d2d52;
  --clr-border:         rgba(255,255,255,0.08);

  --clr-text:           #f9fafb;
  --clr-text-muted:     #9ca3af;
  --clr-text-subtle:    #6b7280;

  /* Typography */
  --font:               'Inter', system-ui, -apple-system, sans-serif;
  --fs-xs:              0.75rem;
  --fs-sm:              0.875rem;
  --fs-base:            1rem;
  --fs-lg:              1.125rem;
  --fs-xl:              1.25rem;
  --fs-2xl:             1.5rem;
  --fs-3xl:             1.875rem;
  --fs-4xl:             2.25rem;
  --fs-5xl:             3rem;

  /* Spacing */
  --space-xs:   0.5rem;
  --space-sm:   0.75rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;

  /* Radius */
  --radius-sm:  0.5rem;
  --radius-md:  1rem;
  --radius-lg:  1.5rem;
  --radius-xl:  2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.5);
  --shadow-purple: 0 8px 40px rgba(124,58,237,0.3);
  --shadow-orange: 0 8px 32px rgba(249,115,22,0.25);

  /* Transitions */
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

details summary {
  cursor: pointer;
  list-style: none;
}
details summary::-webkit-details-marker { display: none; }


/* === CONTAINER === */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}


/* === TYPOGRAPHY UTILITIES === */
.text-gradient {
  background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* === BADGE === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(124,58,237,0.15);
  color: var(--clr-primary-light);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius-full);
  padding: 0.35rem var(--space-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-md);
}


/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  color: #fff;
  box-shadow: var(--shadow-purple);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-primary));
  transform: translateY(-2px);
  box-shadow: 0 12px 48px rgba(124,58,237,0.45);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--sm {
  font-size: var(--fs-sm);
  padding: 0.5rem var(--space-lg);
}

.btn--md {
  font-size: var(--fs-base, 1rem);
  padding: 0.75rem var(--space-xl);
}

.btn--lg {
  font-size: var(--fs-lg);
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-lg);
}

.btn--outline {
  background: transparent;
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}

.btn--outline:hover {
  background: var(--clr-surface-high);
  border-color: var(--clr-primary-light);
  transform: translateY(-2px);
}

.btn--outline:active {
  transform: translateY(0);
}

.btn--full {
  width: 100%;
}

.btn-arrow {
  transition: transform var(--transition);
}
.btn:hover .btn-arrow {
  transform: translateX(4px);
}


/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10,10,26,0.85);
  border-bottom: 1px solid var(--clr-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-lg);
  font-weight: 800;
  color: var(--clr-text);
}

.logo-icon {
  font-size: 1.4rem;
}

.nav nav {
  display: none;
  gap: var(--space-xl);
}

.nav__link {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: color var(--transition);
}

.nav__link:hover {
  color: var(--clr-text);
}

@media (min-width: 768px) {
  .nav nav {
    display: flex;
  }
}


/* === SECTIONS === */
.section {
  padding: var(--space-4xl) 0;
}

.section--alt {
  background: var(--clr-bg-alt);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__title {
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section__sub {
  font-size: var(--fs-lg);
  color: var(--clr-text-muted);
  max-width: 560px;
  margin: 0 auto;
}


/* === HERO === */
.hero {
  position: relative;
  padding-top: calc(var(--space-2xl) + 72px);
  padding-bottom: var(--space-4xl);
  overflow: hidden;
}

.hero__bg-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(124,58,237,0.2) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (min-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
  }
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero__title {
  font-size: clamp(var(--fs-3xl), 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero__sub {
  font-size: var(--fs-lg);
  color: var(--clr-text-muted);
  line-height: 1.7;
  max-width: 500px;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.hero__note {
  font-size: var(--fs-sm);
  color: var(--clr-text-subtle);
  font-weight: 500;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  font-weight: 500;
}

.premium-trust {
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  color: var(--clr-text);
  font-weight: 600;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 2px 8px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(4px);
  transition: transform var(--transition), border-color var(--transition);
}

.premium-trust:hover {
  transform: translateY(-2px);
  border-color: rgba(124, 58, 237, 0.4);
}

.trust-icon {
  font-size: 1rem;
}

/* Hero Visual */
.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__mockup {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  min-height: 440px;
}

.hero__phone-img {
  width: 360px; /* Increased 20% from 300px */
  height: auto;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 16px 40px rgba(124,58,237,0.35));
}

@media (max-width: 900px) {
  .hero__phone-img {
    width: 288px; /* Increased 20% from 240px */
  }
}

@media (max-width: 520px) {
  .hero__phone-img {
    width: 240px; /* Increased 20% from 200px */
  }
}


.mockup-phone {
  background: var(--clr-surface);
  border: 2px solid var(--clr-border);
  border-radius: 2rem;
  width: 220px;
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(124,58,237,0.2);
  flex-shrink: 0;
}

.mockup-screen {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  font-weight: 700;
}

.mockup-pts {
  color: var(--clr-accent);
}

.mockup-book {
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 120px;
}

.mockup-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.mockup-progress { display: flex; flex-direction: column; gap: 4px; }
.mockup-progress-label { font-size: 10px; color: var(--clr-text-muted); }
.mockup-bar { height: 6px; background: var(--clr-surface-high); border-radius: 99px; overflow: hidden; }
.mockup-bar-fill { height: 100%; background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent)); border-radius: 99px; }

.mockup-badges { display: flex; gap: 4px; flex-wrap: wrap; }
.mockup-badge { font-size: 9px; font-weight: 700; padding: 2px 6px; border-radius: 99px; }
.badge--purple { background: rgba(124,58,237,0.25); color: var(--clr-primary-light); }
.badge--orange { background: rgba(249,115,22,0.2); color: var(--clr-accent-light); }

.hero__photo {
  position: absolute;
  bottom: -24px;
  right: -60px;
  width: 288px; /* Increased 20% from 240px */
  height: auto;
  filter: drop-shadow(0 8px 32px rgba(0,0,0,0.5));
  z-index: 2;
}

@media (max-width: 900px) {
  .hero__photo {
    right: -24px;
    width: 216px; /* Increased 20% from 180px */
  }
}

@media (max-width: 520px) {
  .hero__photo {
    display: none;
  }
}


/* === PROBLEM === */
.problem-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}

@media (min-width: 600px) {
  .problem-list {
    grid-template-columns: 1fr 1fr;
  }
}

.problem-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--fs-base);
  font-weight: 500;
}

.problem-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.problem-contrast {
  text-align: center;
  font-size: var(--fs-xl);
  font-weight: 700;
  padding: var(--space-xl);
  background: var(--clr-surface);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-lg);
  max-width: 480px;
  margin: 0 auto;
}


/* === SOLUTION === */
.solution__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

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

.solution__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.solution__desc {
  color: var(--clr-text-muted);
  font-size: var(--fs-lg);
  line-height: 1.75;
}

.solution__actions {
  margin-top: var(--space-sm);
}

.solution__image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution__screens-wrapper {
  position: relative;
  width: 100%;
  max-width: 580px;
  display: flex;
  justify-content: flex-start;
  align-items: flex-end;
  padding-right: 80px; /* Space for absolute mobile screen */
}

.solution-desktop-frame {
  width: 100%;
}

.solution-mobile-frame {
  position: absolute;
  right: 0;
  bottom: -40px;
  width: 25%;
  min-width: 120px;
  max-width: 160px;
  z-index: 10;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,0.05);
  border: 4px solid var(--clr-surface-high);
  background: var(--clr-surface);
  transition: transform var(--transition);
}

.solution-mobile-frame:hover {
  transform: translateY(-10px);
}

.solution-mobile-img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 600px) {
  .solution__screens-wrapper {
    padding-right: 60px;
  }
  .solution-mobile-frame {
    bottom: -20px;
  }
}


/* === APP SCREENSHOT FRAME === */
.app-screenshot-frame {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(124,58,237,0.15);
  width: 100%;
  max-width: 600px;
}

.app-screenshot-frame__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px var(--space-md);
  background: var(--clr-surface-high);
  border-bottom: 1px solid var(--clr-border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot--red    { background: #ff5f57; }
.dot--yellow { background: #ffbd2e; }
.dot--green  { background: #28c840; }

.app-screenshot-img {
  width: 100%;
  height: auto;
  display: block;
}


/* === APP PREVIEW SECTIONS === */
.app-preview { background: var(--clr-bg); }
.app-preview.section--alt { background: var(--clr-bg-alt); }

.app-preview__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (min-width: 768px) {
  .app-preview__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
  }

}

.app-preview__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.app-preview__desc {
  color: var(--clr-text-muted);
  font-size: var(--fs-lg);
  line-height: 1.75;
}

.app-preview__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
}

.app-preview__list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--clr-text-muted);
}

.app-preview__icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.app-preview__screen {
  display: flex;
  justify-content: center;
}


/* === FEATURES === */

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-purple);
  border-color: rgba(124,58,237,0.3);
}

.feature-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.feature-card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature-card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.7;
}


/* === HOW IT WORKS === */
.steps-with-screens {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (min-width: 900px) {
  .steps-with-screens {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
  }
}

.steps-screen {
  display: flex;
  justify-content: center;
}

.steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}


.step {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
  width: 100%;
  padding: var(--space-xl);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
}

.step-connector {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--clr-primary), var(--clr-accent));
  opacity: 0.4;
}

.step__number {
  font-size: var(--fs-3xl);
  font-weight: 900;
  background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
  width: 3rem;
}

.step__title {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.step__desc {
  font-size: var(--fs-base);
  color: var(--clr-text-muted);
  line-height: 1.7;
}


/* === RESULTS === */
.results__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

@media (min-width: 768px) {
  .results__inner {
    grid-template-columns: 1fr 2fr;
    align-items: center;
  }
}

.results__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.results__desc {
  color: var(--clr-text-muted);
  font-size: var(--fs-lg);
  line-height: 1.75;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.result-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.result-icon {
  font-size: 1.75rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.result-item h3 {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.result-item p {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.6;
}


/* === PRICING === */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

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

.pricing-card {
  background: var(--clr-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  position: relative;
}

.pricing-card--pro {
  border: 2px solid rgba(124,58,237,0.3);
  box-shadow: var(--shadow-purple);
}

.pricing-card--free {
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-md);
}

.pricing-card__badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: 700;
  padding: 0.35rem var(--space-lg);
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: var(--shadow-orange);
}

.pricing-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.pricing-card__name {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.pricing-card__price {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: var(--space-sm);
}

.price-currency {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--clr-text-muted);
  padding-top: 0.4rem;
}

.price-value {
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-card__note {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.pricing-card__equiv {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.5;
}

.pricing-card__features {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  list-style: none;
}

.pricing-card__features li {
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--clr-text-muted);
}

.pricing-card__guarantee {
  margin-top: var(--space-md);
  font-size: var(--fs-sm);
  color: var(--clr-text-subtle);
}


/* === COMPARISON === */
.comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .comparison {
    grid-template-columns: 1fr;
  }
  .comparison__divider {
    justify-self: center;
  }
}

.comparison__col {
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.comparison__col--before {
  background: rgba(239,68,68,0.07);
  border: 1px solid rgba(239,68,68,0.15);
}

.comparison__col--after {
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.25);
}

.comparison__label {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.comparison__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.comparison__list li {
  font-size: var(--fs-base);
  color: var(--clr-text-muted);
  padding-left: var(--space-md);
  position: relative;
  line-height: 1.5;
}

.comparison__divider {
  font-size: var(--fs-xl);
  font-weight: 900;
  color: var(--clr-text-subtle);
  text-align: center;
  padding: var(--space-md);
}


/* === FAQ === */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item[open] {
  border-color: rgba(124,58,237,0.3);
}

.faq-item__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  font-size: var(--fs-lg);
  font-weight: 600;
  user-select: none;
}

.faq-item__question::after {
  content: '+';
  font-size: var(--fs-xl);
  color: var(--clr-primary-light);
  font-weight: 700;
  transition: transform var(--transition);
  flex-shrink: 0;
}

details[open] .faq-item__question::after {
  transform: rotate(45deg);
}

.faq-item__answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--clr-text-muted);
  line-height: 1.75;
  font-size: var(--fs-base);
}

.faq-item__answer strong {
  color: var(--clr-text);
}


/* === FINAL CTA === */
.final-cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(124,58,237,0.12) 0%, rgba(249,115,22,0.07) 100%);
  border-top: 1px solid rgba(124,58,237,0.15);
  border-bottom: 1px solid rgba(124,58,237,0.15);
}

.final-cta__glow {
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 600px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(249,115,22,0.1), transparent 70%);
  pointer-events: none;
}

.final-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .final-cta__inner {
    grid-template-columns: auto 1fr;
    text-align: left;
  }
}

.final-cta__book {
  display: flex;
  justify-content: center;
}

.final-cta__cover {
  width: 160px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(124,58,237,0.3);
}

.final-cta__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.final-cta__title {
  font-size: clamp(var(--fs-2xl), 3.5vw, var(--fs-4xl));
  font-weight: 800;
  line-height: 1.25;
}

.final-cta__desc {
  color: var(--clr-text-muted);
  font-size: var(--fs-lg);
}

.final-cta__note {
  font-size: var(--fs-sm);
  color: var(--clr-text-subtle);
  font-weight: 500;
}


/* === FOOTER === */
.footer {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-border);
  padding: var(--space-2xl) 0;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-lg);
  font-weight: 800;
}

.footer__name { font-weight: 800; }

.footer__copy {
  font-size: var(--fs-sm);
  color: var(--clr-text-subtle);
}

.footer__link {
  font-size: var(--fs-sm);
  color: var(--clr-primary-light);
  font-weight: 600;
  transition: color var(--transition);
}
.footer__link:hover { color: var(--clr-primary-light); text-decoration: underline; }


/* === ANIMATIONS === */
.animate-fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-fade-in {
  opacity: 0;
  transition: opacity 0.8s ease 0.2s;
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

.is-visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Stagger children of containers */
.features-grid .feature-card:nth-child(2) { transition-delay: 0.1s; }
.features-grid .feature-card:nth-child(3) { transition-delay: 0.2s; }
.features-grid .feature-card:nth-child(4) { transition-delay: 0.1s; }
.features-grid .feature-card:nth-child(5) { transition-delay: 0.2s; }
.features-grid .feature-card:nth-child(6) { transition-delay: 0.3s; }

.steps .step:nth-child(3) { transition-delay: 0.15s; }
.steps .step:nth-child(5) { transition-delay: 0.3s; }


/* === RESPONSIVE UTILITIES === */
@media (max-width: 480px) {
  .btn--lg {
    font-size: var(--fs-base);
    padding: var(--space-md) var(--space-xl);
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

  .hero__mockup {
    flex-direction: column;
    align-items: center;
  }

  .mockup-phone {
    width: 200px;
  }
}

/* === PRINT / PREFERS-REDUCED-MOTION === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .animate-fade-up,
  .animate-fade-in {
    opacity: 1;
    transform: none;
  }
  .animate-float {
    animation: none;
  }
}