:root {
  --bg: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --soft: #f7fafc;
  --accent: #2d3748;
  --accent-2: #4a5568;
  --on-accent: #ffffff;
  --shadow: 0 12px 32px rgba(17, 24, 39, 0.08);
  --radius: 18px;
  --radius-sm: 14px;
  --container: 1200px;
  --gutter: 24px;
  --header-h: 80px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

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

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  background: var(--accent);
  color: var(--on-accent);
  padding: 10px 14px;
  border-radius: 12px;
  z-index: 9999;
}
.skip-link:focus {
  left: 12px;
}

.container {
  width: min(var(--container), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

.section {
  padding: 88px 0;
}

.section__head {
  max-width: 820px;
  margin-bottom: 34px;
}
.section__head--invert {
  color: var(--on-accent);
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 3vw, 3.2rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.6rem, 2.3vw, 2.2rem);
  line-height: 1.2;
}

h3 {
  font-size: 1.12rem;
  line-height: 1.25;
}

p {
  margin: 0 0 14px;
  color: var(--text);
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0;
}
.lead--invert {
  color: rgba(255, 255, 255, 0.82);
}

.microcopy {
  margin-top: 14px;
  font-size: 0.92rem;
  color: var(--muted);
}
.microcopy--invert {
  color: rgba(255, 255, 255, 0.72);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
  color: var(--muted);
  font-weight: 500;
  font-size: 0.92rem;
  margin: 0 0 14px;
  backdrop-filter: blur(8px);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(229, 231, 235, 0.8);
  backdrop-filter: blur(10px);
}

.header__grid {
  height: var(--header-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
}
.brand__logo {
  width: 120px;
  height: 40px;
  object-fit: contain;
}
.brand__name {
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 0.95rem;
}

.nav {
  display: flex;
  justify-content: center;
}

.nav__toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  padding: 10px 12px;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(17, 24, 39, 0.06);
}
.nav__toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 999px;
}
.nav__toggle-line + .nav__toggle-line {
  margin-top: 5px;
}

.nav__list {
  list-style: none;
  display: flex;
  gap: 22px;
  padding: 0;
  margin: 0;
}
.nav__link {
  color: var(--muted);
  font-weight: 500;
  padding: 10px 10px;
  border-radius: 12px;
  transition: background 160ms ease, color 160ms ease;
}
.nav__link:hover {
  background: rgba(74, 85, 104, 0.08);
  color: var(--text);
}

.header__cta {
  justify-self: end;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 14px;
  padding: 12px 16px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
  user-select: none;
}
.btn:active {
  transform: translateY(1px);
}
.btn--lg {
  padding: 14px 18px;
  border-radius: 16px;
}
.btn--full {
  width: 100%;
}
.btn--primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 14px 30px rgba(45, 55, 72, 0.25);
}
.btn--primary:hover {
  background: #243043;
  box-shadow: 0 16px 34px rgba(45, 55, 72, 0.32);
}
.btn--ghost {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--line);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: rgba(74, 85, 104, 0.35);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.08);
}

/* Hero */
.hero {
  min-height: calc(100vh - var(--header-h));
  padding: 48px 0 80px;
  background: radial-gradient(1200px 600px at 20% 10%, #ffffff 0%, #f2f4f8 45%, #eef2f7 100%);
}

.hero__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  align-items: center;
  gap: 26px;
  padding-top: 28px;
}

.hero__copy {
  grid-column: 1 / span 6;
  max-width: 560px;
}
.hero__title {
  margin-bottom: 12px;
}
.hero__subtitle {
  font-size: 1.08rem;
  color: var(--muted);
  margin: 0 0 18px;
}
.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.hero__media {
  grid-column: 7 / span 6;
  display: grid;
  justify-items: end;
}

.media-card {
  margin: 0;
  width: min(600px, 100%);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(229, 231, 235, 0.75);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.media-card__img {
  border-radius: calc(var(--radius) - 8px);
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.media-card__caption {
  margin-top: 12px;
  font-size: 0.92rem;
  color: var(--muted);
}

/* Problem */
.problem__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 26px;
  align-items: start;
}
.problem__text {
  grid-column: 1 / span 7;
}
.problem__media {
  grid-column: 1 / span 7;
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.05);
}
.problem__img {
  width: 100%;
  border-radius: calc(var(--radius) - 8px);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: grayscale(1);
}
.problem__caption {
  margin-top: 10px;
  font-size: 0.92rem;
  color: var(--muted);
}
.stats {
  grid-column: 8 / span 5;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: grid;
  grid-template-columns: 48px 1fr;
  column-gap: 12px;
  align-items: center;
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.05);
}
.stat__emoji {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(74, 85, 104, 0.08);
  color: var(--accent);
  font-size: 1.15rem;
}
.stat__value {
  grid-column: 2;
  font-weight: 700;
  font-size: 1.15rem;
}
.stat__label {
  grid-column: 2;
  color: var(--muted);
  margin-top: -2px;
}

/* Product */
.product {
  background: var(--accent-2);
  color: var(--on-accent);
}
.product p {
  color: rgba(255, 255, 255, 0.84);
}
.product__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 26px;
  align-items: center;
}
.product__media {
  grid-column: 1 / span 5;
}
.product__copy {
  grid-column: 6 / span 7;
}
.product__img {
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-list {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}
.feature {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: start;
  gap: 12px;
  padding: 14px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(0, 0, 0, 0.12);
}
.feature__emoji {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 1.15rem;
}
.feature__title {
  font-weight: 700;
}
.feature__desc {
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.95rem;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.cards--benefits .card {
  grid-column: span 4;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px;
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.05);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 30px rgba(17, 24, 39, 0.09);
  border-color: rgba(74, 85, 104, 0.25);
}
.card__emoji {
  width: 64px;
  height: 64px;
  margin-bottom: 10px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: rgba(74, 85, 104, 0.08);
  color: var(--accent);
  font-size: 1.55rem;
}
.card p {
  color: var(--muted);
  margin: 0;
}

/* Optional images */
.infographic,
.comic {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: #fff;
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.05);
}
.infographic__img {
  width: 100%;
  border-radius: calc(var(--radius) - 8px);
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.comic__img {
  width: 100%;
  border-radius: calc(var(--radius) - 8px);
  aspect-ratio: 4 / 1;
  object-fit: cover;
}

/* How it works */
.how {
  background: var(--soft);
}
.steps {
  list-style: none;
  padding: 0;
  margin: 18px 0 10px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  top: 28px;
  height: 2px;
  background: rgba(45, 55, 72, 0.12);
}
.step {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(229, 231, 235, 0.9);
  border-radius: var(--radius-sm);
  padding: 14px 12px;
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 108px;
}
.step__num {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(45, 55, 72, 0.18);
  background: rgba(255, 255, 255, 0.9);
  color: var(--accent);
  font-weight: 800;
}
.step__text {
  font-weight: 600;
  color: var(--accent);
}
.footnote {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.testimonial {
  grid-column: span 4;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: #fff;
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.05);
}
.testimonial__head {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}
.avatar {
  width: 80px;
  height: 80px;
  border-radius: 999px;
  border: 1px solid var(--line);
  object-fit: cover;
}
.avatar--1 {
  object-position: 18% 35%;
}
.avatar--2 {
  object-position: 50% 30%;
}
.avatar--3 {
  object-position: 82% 32%;
}
.testimonial__name {
  font-weight: 700;
}
.rating {
  color: #111827;
  letter-spacing: 0.06em;
  opacity: 0.9;
  font-size: 0.95rem;
}
.testimonial__quote {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

/* Pricing */
.pricing {
  background: var(--accent);
  color: var(--on-accent);
}
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.pricing__media {
  margin: 0 0 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  padding: 14px;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
}
.pricing__img {
  width: 100%;
  border-radius: calc(var(--radius) - 8px);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.95;
}
.price-card {
  grid-column: span 4;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  padding: 18px;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
  position: relative;
}
.price-card__top h3 {
  margin-bottom: 6px;
}
.price-card__desc {
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}
.price-card__price {
  font-size: 1.8rem;
  font-weight: 800;
  margin: 14px 0 14px;
}
.plan-emoji {
  margin-bottom: 10px;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(0, 0, 0, 0.14);
  font-size: 1.05rem;
}
.price-card--featured {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.22);
  transform: translateY(-6px);
}
.badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: #111827;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 0.82rem;
  font-weight: 700;
}

.order {
  margin-top: 28px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(0, 0, 0, 0.12);
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
  align-items: start;
}
.order__copy {
  grid-column: 1 / span 5;
}
.order__title {
  margin-bottom: 6px;
}
.order__subtitle {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}
.form {
  grid-column: 6 / span 7;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.form button {
  grid-column: 1 / -1;
}
.form .microcopy {
  grid-column: 1 / -1;
  margin: 0;
}
.field {
  display: grid;
  gap: 8px;
}
.field__label {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}
.field__input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  padding: 12px 12px;
  color: #fff;
  outline: none;
}
.field__input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}
.field__input:focus {
  border-color: rgba(255, 255, 255, 0.38);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08);
}

/* FAQ */
.accordion {
  display: grid;
  gap: 10px;
  max-width: 920px;
}
.accordion__item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 0;
  overflow: hidden;
}
.accordion__summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.accordion__summary::-webkit-details-marker {
  display: none;
}
.accordion__summary::after {
  content: "+";
  font-weight: 800;
  color: var(--accent-2);
}
details[open] > .accordion__summary::after {
  content: "—";
}
.accordion__content {
  padding: 0 16px 16px;
  color: var(--muted);
}

/* Footer */
.footer {
  background: #1a202c;
  color: rgba(255, 255, 255, 0.82);
  padding: 60px 0 30px;
}
.footer__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
  align-items: start;
}
.footer__brand {
  grid-column: 1 / span 5;
}
.footer__col {
  grid-column: span 2;
}
.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer__name {
  font-weight: 800;
  letter-spacing: 0.06em;
}
.footer__title {
  font-weight: 800;
  margin-bottom: 10px;
}
.footer__link {
  display: inline-block;
  color: rgba(255, 255, 255, 0.72);
  padding: 6px 0;
}
.footer__link:hover {
  color: #fff;
}
.footer__tagline {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  max-width: 420px;
}
.social {
  display: flex;
  gap: 10px;
  align-items: center;
}
.social__link {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.social__emoji {
  font-weight: 800;
  letter-spacing: 0.04em;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.86);
}
.social__link:hover {
  background: rgba(255, 255, 255, 0.1);
}
.footer__bottom {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer__legal {
  color: rgba(255, 255, 255, 0.62);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.footer__dot {
  opacity: 0.55;
}
.backtop {
  color: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  padding: 10px 12px;
  border-radius: 14px;
}
.backtop:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 520ms ease, transform 520ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn {
    transition: none;
  }
}

/* Responsive */
@media (max-width: 980px) {
  .header__grid {
    grid-template-columns: 1fr auto auto;
  }
  .brand {
    min-width: auto;
  }
  .nav {
    justify-content: end;
  }
  .nav__toggle {
    display: inline-flex;
    flex-direction: column;
  }
  .nav__list {
    position: absolute;
    top: calc(var(--header-h) + 10px);
    left: var(--gutter);
    right: var(--gutter);
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(229, 231, 235, 0.9);
    border-radius: 18px;
    padding: 12px;
    gap: 8px;
    flex-direction: column;
    box-shadow: var(--shadow);
    display: none;
  }
  .nav__list.is-open {
    display: flex;
  }
  .nav__link {
    padding: 12px 12px;
  }
  .header__cta {
    display: none;
  }

  .hero__copy {
    grid-column: 1 / -1;
    max-width: 760px;
  }
  .hero__media {
    grid-column: 1 / -1;
    justify-items: start;
  }
  .problem__text {
    grid-column: 1 / -1;
  }
  .problem__media {
    grid-column: 1 / -1;
  }
  .stats {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, 1fr);
  }
  .stat {
    grid-template-columns: 48px 1fr;
  }

  .product__media {
    grid-column: 1 / -1;
  }
  .product__copy {
    grid-column: 1 / -1;
  }

  .cards--benefits .card {
    grid-column: span 6;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps::before {
    display: none;
  }

  .testimonial {
    grid-column: span 6;
  }

  .price-card {
    grid-column: span 12;
  }
  .price-card--featured {
    transform: none;
  }
  .order__copy {
    grid-column: 1 / -1;
  }
  .form {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .section {
    padding: 68px 0;
  }
  .stats {
    grid-template-columns: 1fr;
  }
  .cards--benefits .card {
    grid-column: span 12;
  }
  .testimonial {
    grid-column: span 12;
  }
  .form {
    grid-template-columns: 1fr;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
  .footer__col {
    grid-column: span 6;
  }
}