:root {
  --green-900: #06351f;
  --green-800: #0b4b2d;
  --green-700: #0f6b3e;
  --green-500: #25a45a;
  --green-100: #e5f7eb;
  --black: #07100b;
  --ink: #15231b;
  --muted: #5f6b63;
  --line: #dbe8df;
  --white: #ffffff;
  --soft: #f5f8f4;
  --gold: #c7a24b;
  --shadow: 0 24px 70px rgba(7, 16, 11, 0.16);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 92px;
}

body {
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 12px 16px;
  background: var(--black);
  color: var(--white);
  border-radius: 8px;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(219, 232, 223, 0.8);
  backdrop-filter: blur(16px);
}

.site-header.is-scrolled {
  box-shadow: 0 12px 34px rgba(7, 16, 11, 0.08);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--black);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: var(--green-700);
  border-radius: 8px;
  font-weight: 900;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--muted);
}

.site-nav a {
  transition:
    color 180ms ease,
    background 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--green-700);
}

.nav-cta {
  color: var(--white) !important;
  background: var(--black);
  padding: 12px 16px;
  border-radius: 8px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--black);
  border-radius: 8px;
  place-items: center;
}

.hero {
  min-height: 88svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--green-900);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(4, 15, 9, 0.94) 0%, rgba(6, 53, 31, 0.78) 47%, rgba(6, 53, 31, 0.12) 100%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  z-index: 2;
  height: 22%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), var(--white));
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 3;
  padding: 94px 0 110px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 710px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--green-500);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 0.78rem;
}

.hero .eyebrow {
  color: #86f0ad;
}

.hero h1,
.section h2,
.offer-copy h2,
.final-cta h2 {
  margin: 0;
  color: inherit;
  line-height: 1.04;
  font-weight: 900;
}

.hero h1 {
  max-width: 720px;
  font-size: 4.7rem;
}

.hero-subtitle {
  max-width: 650px;
  margin: 24px 0 0;
  font-size: 1.22rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions,
.final-cta-inner,
.footer-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 34px;
}

.btn {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 22px;
  border: 0;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.btn svg,
.btn i[data-lucide],
.site-nav svg,
.menu-toggle svg,
.menu-toggle i[data-lucide],
.feature-card svg,
.feature-card i[data-lucide],
.check-list svg,
.check-list i[data-lucide],
.slider-btn svg,
.slider-btn i[data-lucide],
.faq-item svg,
.faq-item i[data-lucide],
.whatsapp-float svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  display: inline-block;
}

.whatsapp-icon {
  fill: currentColor;
}

.btn-primary {
  color: var(--white);
  background: var(--green-700);
  box-shadow: 0 12px 34px rgba(37, 164, 90, 0.34);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  background: var(--green-500);
  box-shadow: 0 18px 42px rgba(37, 164, 90, 0.4);
}

.btn-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.2);
}

.btn-wide {
  width: 100%;
  max-width: 430px;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 800;
  font-size: 0.93rem;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-proof svg {
  width: 18px;
  height: 18px;
  color: #86f0ad;
}

.hero-proof i[data-lucide] {
  width: 18px;
  height: 18px;
  color: #86f0ad;
  flex: 0 0 auto;
  display: inline-block;
}

.section {
  padding: 92px 0;
}

.section-soft {
  background: var(--soft);
}

.intro-section {
  padding-top: 76px;
}

.intro-grid,
.habits-grid,
.author-grid,
.offer-grid,
.guarantee-grid,
.faq-grid {
  display: grid;
  align-items: center;
  gap: 54px;
}

.intro-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.intro-grid h2,
.section-heading h2,
.habits-copy h2,
.author-grid h2,
.guarantee-grid h2,
.faq-grid h2,
.final-cta h2 {
  font-size: 2.55rem;
  color: var(--black);
}

.intro-grid p,
.section-heading p,
.habits-copy p,
.author-grid p,
.guarantee-grid p,
.faq-grid p,
.offer-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.78;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-heading h2 {
  margin-bottom: 16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-card {
  min-height: 236px;
  padding: 26px;
}

.feature-card svg {
  color: var(--green-700);
  width: 28px;
  height: 28px;
}

.feature-card i[data-lucide] {
  color: var(--green-700);
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  min-height: 58px;
  margin: 18px 0 10px;
  color: var(--black);
  font-size: 1.18rem;
  line-height: 1.25;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.habits-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
}

.habits-media img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.habits-copy h2 {
  margin-bottom: 24px;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.55;
}

.check-list svg {
  margin-top: 2px;
  color: var(--green-700);
}

.check-list i[data-lucide] {
  margin-top: 2px;
  color: var(--green-700);
}

.author-section {
  background: var(--black);
  color: var(--white);
}

.author-grid {
  grid-template-columns: 250px minmax(0, 1fr);
}

.author-grid h2,
.author-grid p {
  color: var(--white);
}

.author-grid p {
  max-width: 880px;
  color: rgba(255, 255, 255, 0.78);
}

.author-photo {
  margin: 0;
}

.author-photo img {
  width: min(250px, 100%);
  height: auto;
  object-fit: cover;
  object-position: center top;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.28);
}

.testimonial-shell {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 48px;
  align-items: center;
  gap: 16px;
}

.testimonial-viewport {
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 420ms ease;
}

.testimonial-card {
  flex: 0 0 100%;
  min-height: 288px;
  padding: 36px;
}

.testimonial-card > svg {
  width: 30px;
  height: 30px;
  color: var(--green-700);
}

.testimonial-card > i[data-lucide] {
  width: 30px;
  height: 30px;
  color: var(--green-700);
  display: inline-block;
}

.testimonial-card p {
  margin: 18px 0 22px;
  color: var(--ink);
  font-size: 1.12rem;
  line-height: 1.72;
}

.testimonial-card strong {
  color: var(--black);
}

.testimonial-label {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.is-placeholder {
  background: #fbfdfb;
  border-style: dashed;
}

.slider-btn {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--black);
  cursor: pointer;
  transition:
    background 180ms ease,
    color 180ms ease;
}

.slider-btn:hover,
.slider-btn:focus-visible {
  background: var(--green-700);
  color: var(--white);
}

.slider-dots {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 10px;
  min-height: 16px;
}

.slider-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #c9d6ce;
  cursor: pointer;
}

.slider-dots button.is-active {
  background: var(--green-700);
}

.offer-section {
  padding: 98px 0;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(6, 53, 31, 0.94), rgba(7, 16, 11, 0.98)),
    var(--black);
}

.offer-grid {
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
}

.book-mockup {
  display: flex;
  justify-content: center;
  perspective: 1000px;
}

.book-mockup img {
  width: min(100%, 340px);
  height: auto;
  border-radius: 8px;
  background: transparent;
  filter: drop-shadow(28px 32px 30px rgba(0, 0, 0, 0.32));
  transform: rotateY(-9deg) rotateX(2deg);
}

.offer-copy h2 {
  font-size: 3rem;
  max-width: 760px;
  margin-bottom: 20px;
}

.offer-copy p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.78);
}

.price-box {
  width: min(100%, 430px);
  margin: 28px 0 22px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.price-box span {
  display: block;
  margin-bottom: 6px;
  color: #a9f3c1;
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.price-box strong {
  display: block;
  font-size: 1.32rem;
  line-height: 1.3;
}

.guarantee-section {
  background: var(--green-100);
}

.guarantee-grid {
  grid-template-columns: 120px minmax(0, 1fr);
}

.guarantee-icon {
  display: grid;
  place-items: center;
  width: 120px;
  height: 120px;
  color: var(--green-700);
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(15, 107, 62, 0.14);
}

.guarantee-icon svg {
  width: 54px;
  height: 54px;
}

.guarantee-icon i[data-lucide] {
  width: 54px;
  height: 54px;
  display: inline-block;
}

.faq-grid {
  grid-template-columns: minmax(250px, 0.75fr) minmax(0, 1.25fr);
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  overflow: hidden;
}

.faq-item button {
  width: 100%;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px;
  border: 0;
  background: transparent;
  color: var(--black);
  font: inherit;
  font-weight: 850;
  text-align: left;
  cursor: pointer;
}

.faq-item button svg {
  color: var(--green-700);
  transition: transform 180ms ease;
}

.faq-item.is-open button svg {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 220ms ease;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer p {
  min-height: 0;
  overflow: hidden;
  padding: 0 22px;
}

.faq-item.is-open .faq-answer p {
  padding-bottom: 22px;
}

.faq-answer a {
  color: var(--green-700);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.final-cta {
  padding: 54px 0;
  color: var(--white);
  background: var(--black);
}

.final-cta-inner {
  justify-content: space-between;
}

.final-cta h2 {
  color: var(--white);
  font-size: 2rem;
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--green-700);
  border-radius: 50%;
  box-shadow: 0 18px 46px rgba(15, 107, 62, 0.34);
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  background: var(--green-500);
}

.whatsapp-float .whatsapp-icon {
  width: 30px;
  height: 30px;
}

.site-footer {
  padding: 28px 0;
  color: rgba(255, 255, 255, 0.7);
  background: #030704;
}

.footer-inner {
  justify-content: space-between;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  color: var(--white);
  font-weight: 800;
}

.footer-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-whatsapp .whatsapp-icon {
  width: 20px;
  height: 20px;
  color: #25d366;
}

@media (max-width: 980px) {
  .site-nav {
    position: fixed;
    inset: 76px 0 auto 0;
    display: grid;
    gap: 0;
    padding: 16px 20px 26px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 30px 44px rgba(7, 16, 11, 0.14);
    transform: translateY(-130%);
    transition: transform 220ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
  }

  .site-nav a {
    padding: 15px 0;
    color: var(--ink);
  }

  .nav-cta {
    display: inline-flex;
    justify-content: center;
    margin-top: 8px;
    padding: 15px 16px !important;
  }

  .menu-toggle {
    display: grid;
  }

  .hero {
    min-height: 86svh;
  }

  .hero-bg {
    object-position: 76% center;
  }

  .hero::before {
    background: linear-gradient(180deg, rgba(4, 15, 9, 0.9) 0%, rgba(6, 53, 31, 0.78) 58%, rgba(6, 53, 31, 0.34) 100%);
  }

  .hero h1 {
    font-size: 3.4rem;
  }

  .intro-grid,
  .habits-grid,
  .author-grid,
  .offer-grid,
  .guarantee-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .author-grid,
  .guarantee-grid {
    gap: 28px;
  }

  .offer-grid {
    gap: 64px;
  }

  .testimonial-shell {
    grid-template-columns: 1fr;
  }

  .slider-btn {
    display: none;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .header-inner {
    min-height: 68px;
  }

  .brand span:last-child {
    max-width: 160px;
    line-height: 1.15;
  }

  .site-nav {
    inset: 68px 0 auto 0;
  }

  .hero {
    min-height: 84svh;
  }

  .hero-bg {
    object-position: 77% center;
  }

  .hero::before {
    background: linear-gradient(180deg, rgba(4, 15, 9, 0.94) 0%, rgba(6, 53, 31, 0.8) 58%, rgba(6, 53, 31, 0.42) 100%);
  }

  .hero-layout {
    padding: 72px 0 88px;
  }

  .hero h1 {
    font-size: 2.65rem;
  }

  .hero-subtitle {
    font-size: 1rem;
    line-height: 1.62;
  }

  .hero-actions {
    align-items: stretch;
  }

  .btn {
    width: 100%;
    padding: 15px 16px;
  }

  .hero-proof {
    align-items: flex-start;
    gap: 12px;
  }

  .section {
    padding: 68px 0;
  }

  .intro-grid h2,
  .section-heading h2,
  .habits-copy h2,
  .author-grid h2,
  .guarantee-grid h2,
  .faq-grid h2 {
    font-size: 2rem;
  }

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

  .feature-card {
    min-height: auto;
  }

  .feature-card h3 {
    min-height: 0;
  }

  .author-photo img,
  .guarantee-icon {
    width: 112px;
    height: 112px;
  }

  .author-photo img {
    aspect-ratio: 1;
    object-fit: cover;
  }

  .testimonial-card {
    min-height: 360px;
    padding: 26px;
  }

  .offer-section {
    padding: 72px 0;
  }

  .book-mockup img {
    transform: none;
  }

  .offer-copy h2 {
    font-size: 2.25rem;
  }

  .price-box strong {
    font-size: 1.08rem;
  }

  .faq-item button {
    min-height: 64px;
    padding: 18px;
  }

  .faq-answer p {
    padding: 0 18px;
  }

  .faq-item.is-open .faq-answer p {
    padding-bottom: 18px;
  }

  .final-cta-inner {
    align-items: stretch;
  }

  .final-cta h2 {
    font-size: 1.65rem;
  }

  .footer-inner {
    align-items: flex-start;
  }
}