@layer modules {
  /* ─── Flash Messages ─── */

  .flash {
    padding: 0.7em 1em;
    border-radius: 0;
    font-size: var(--text-small);
    font-weight: 500;
    text-align: center;
  }

  .flash--notice {
    background-color: oklch(var(--lch-green-2));
    color: oklch(35% 0.10 150);
    border: 1px solid oklch(85% 0.05 150);
  }

  .flash--alert {
    background-color: oklch(var(--lch-red-2));
    color: oklch(45% 0.15 25);
    border: 1px solid oklch(85% 0.06 25);
  }

  /* ─── Layout ─── */

  .landing-container {
    max-width: 1120px;
    margin-inline: auto;
    padding-inline: clamp(1.25ch, 4vw, 3ch);
  }

  .landing-container--narrow {
    max-width: 720px;
  }

  /* ─── Header ─── */

  .landing-header {
    padding-block: 1rem;
    border-block-end: 1px solid var(--border-color);
  }

  .landing-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .landing-header__logo {
    height: 2.5rem;
    width: auto;
  }

  .landing-header__brand {
    display: flex;
    align-items: center;
    gap: 0.75ch;
    text-decoration: none;
  }

  .landing-header__brand-name {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
    color: #3BBCAD;
  }

  .landing-header__nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  /* ─── Language Switcher ─── */

  .landing-header__locales {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .landing-header__locale {
    font-size: var(--text-small);
    color: var(--color-ink-lighter);
    text-decoration: none;
  }

  .landing-header__locale:hover {
    color: var(--color-ink);
  }

  .landing-header__locale--current {
    color: var(--color-ink);
    font-weight: 600;
  }

  .landing-header__locale + .landing-header__locale::before {
    content: "·";
    margin-inline-end: 0.5rem;
    color: var(--color-ink-lighter);
  }

  /* ─── Hero ─── */

  .landing-hero {
    padding-block: clamp(4rem, 10vw, 8rem) clamp(3rem, 8vw, 6rem);
  }

  .landing-hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
  }

  .landing-hero__content {
    max-width: 520px;
  }

  .landing-hero__media {
    order: 1;
  }

  .landing-hero__image {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }

  .landing-hero__headline {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-block-end: 1.25rem;
  }

  .landing-hero__subheadline {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    line-height: 1.6;
    color: var(--color-ink-light);
    margin-block-end: 2rem;
  }

  .landing-hero__microcopy {
    margin-block-start: 1rem;
    font-size: var(--text-small);
    color: var(--color-ink-lighter);
  }

  /* ─── Large button variant ─── */

  .btn--large {
    --btn-padding: 0.75em 2em;
    font-size: 1.05rem;
  }

  /* ─── Problem ─── */

  .landing-problem {
    padding-block: clamp(3rem, 8vw, 5rem);
    background-color: oklch(var(--lch-teal-1));
  }

  .landing-problem__headline {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(1.5rem, 3vw, 2rem);
    line-height: 1.3;
    margin-block-end: 1.25rem;
  }

  .landing-problem__body {
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    line-height: 1.75;
    color: var(--color-ink-light);
  }

  /* ─── Core Features ─── */

  .landing-features {
    padding-block: clamp(3rem, 8vw, 5rem);
  }

  .landing-features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .landing-features__card {
    border-block-start: 3px solid var(--color-primary);
    padding-block-start: 1.5rem;
  }

  .landing-features__card h3 {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: var(--text-medium);
    margin-block-end: 0.75rem;
  }

  .landing-features__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    margin-block-end: 1.25rem;
  }

  .landing-features__card p {
    font-size: var(--text-normal);
    line-height: 1.65;
    color: var(--color-ink-light);
  }

  /* ─── Pricing ─── */

  .landing-pricing {
    padding-block: clamp(3rem, 8vw, 5rem);
    background-color: oklch(var(--lch-teal-1));
  }

  .landing-section-headline {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(1.5rem, 3vw, 2rem);
    line-height: 1.3;
    margin-block-end: 2rem;
    text-align: center;
  }

  .landing-pricing__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 720px;
    margin-inline: auto;
  }

  .landing-pricing__card {
    background-color: var(--color-canvas-raised);
    border: 1px solid var(--border-color);
    padding: 2rem;
  }

  .landing-pricing__card h3 {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: var(--text-medium);
    margin-block-end: 0.75rem;
  }

  .landing-pricing__price {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    margin-block-end: 0.75rem;
  }

  .landing-pricing__detail {
    font-size: var(--text-small);
    color: var(--color-ink-light);
    line-height: 1.6;
    margin-block-end: 1.5rem;
  }

  .landing-pricing__comparison {
    text-align: center;
    margin-block-start: 1.5rem;
    font-size: var(--text-small);
    color: var(--color-ink-lighter);
  }

  /* ─── Secondary Features ─── */

  .landing-secondary {
    padding-block: clamp(3rem, 8vw, 5rem);
  }

  .landing-secondary__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .landing-secondary__card h3 {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: var(--text-normal);
    margin-block-end: 0.5rem;
  }

  .landing-secondary__card p {
    font-size: var(--text-small);
    line-height: 1.65;
    color: var(--color-ink-light);
  }

  /* ─── FAQ ─── */

  .landing-faq {
    padding-block: clamp(3rem, 8vw, 5rem);
    background-color: oklch(var(--lch-teal-1));
  }

  .landing-faq__list {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .landing-faq__item {
    border-block-end: 1px solid var(--border-color);
    padding-block: 1.25rem;
  }

  .landing-faq__item:first-child {
    border-block-start: 1px solid var(--border-color);
  }

  .landing-faq__item summary {
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  .landing-faq__item summary::after {
    content: "+";
    font-size: 1.4em;
    font-weight: 300;
    line-height: 1;
    flex-shrink: 0;
    transition: transform 200ms ease;
  }

  .landing-faq__item[open] summary::after {
    content: "\2212"; /* minus sign */
  }

  .landing-faq__item summary::-webkit-details-marker {
    display: none;
  }

  .landing-faq__item p {
    margin-block-start: 1rem;
    font-size: var(--text-normal);
    line-height: 1.7;
    color: var(--color-ink-light);
  }

  /* ─── Final CTA ─── */

  .landing-cta {
    padding-block: clamp(4rem, 10vw, 6rem);
    background-color: oklch(var(--lch-teal-7));
    color: oklch(var(--lch-white));
  }

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

  .landing-cta__headline {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    line-height: 1.3;
    margin-block-end: 1rem;
    color: inherit;
  }

  .landing-cta__subheadline {
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    line-height: 1.6;
    opacity: 0.8;
    margin-block-end: 2rem;
  }

  .landing-cta__btn {
    --btn-background: oklch(var(--lch-white));
    --btn-border-color: oklch(var(--lch-white));
    --btn-color: oklch(var(--lch-teal-7));
  }

  .landing-cta__btn:hover {
    --btn-background: oklch(var(--lch-teal-1));
    --btn-border-color: oklch(var(--lch-teal-1));
  }

  /* ─── Footer ─── */

  .landing-footer {
    padding-block: 2rem;
    border-block-start: 1px solid var(--border-color);
    font-size: var(--text-small);
    color: var(--color-ink-lighter);
  }

  .landing-footer__inner {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }

  .landing-footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .landing-footer__bottom p {
    margin: 0;
  }

  .landing-footer__inner a {
    color: var(--color-ink-lighter);
    text-decoration: underline;
    text-underline-offset: 0.15em;
  }

  .landing-footer__inner a:hover {
    color: var(--color-ink);
  }

  /* ─── Footer Newsletter ─── */

  .footer-newsletter {
    text-align: center;
    padding-block-end: 2rem;
    border-block-end: 1px solid var(--border-color);
  }

  .footer-newsletter h3 {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    margin-block-end: 0.5rem;
    color: var(--color-ink);
  }

  .footer-newsletter p {
    margin-block-end: 1.25rem;
    color: var(--color-ink-light);
  }

  .footer-newsletter__form {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
  }

  .footer-newsletter__fields {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-newsletter__input {
    font-size: max(16px, 1em);
    padding: 0.5em 0.75em;
    border: 1px solid var(--border-color);
    background-color: var(--color-canvas);
    color: var(--color-ink);
    min-width: 0;
  }

  .footer-newsletter__input[type="email"] {
    width: 16rem;
  }

  .footer-newsletter__input[type="text"] {
    width: 12rem;
  }

  .footer-newsletter__input::placeholder {
    color: var(--color-ink-lighter);
  }

  .footer-newsletter__button {
    font-size: max(16px, 1em);
    padding: 0.5em 1.5em;
    background-color: var(--color-primary);
    color: oklch(var(--lch-white));
    border: 1px solid var(--color-primary);
    cursor: pointer;
    font-weight: 600;
    white-space: nowrap;
  }

  .footer-newsletter__button:hover {
    opacity: 0.9;
  }

  /* ─── Header Nav Link ─── */

  .landing-header__link {
    font-size: var(--text-normal);
    color: var(--color-ink-light);
    text-decoration: none;
  }

  .landing-header__link:hover {
    color: var(--color-ink);
  }

  /* ─── Browser Frame ─── */

  .browser-frame {
    border: 1px solid var(--border-color);
    overflow: hidden;
  }

  .browser-frame__toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background-color: oklch(var(--lch-teal-1));
    border-block-end: 1px solid var(--border-color);
  }

  .browser-frame__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
  }

  .browser-frame__image {
    display: block;
    width: 100%;
  }

  .browser-frame--compact .browser-frame__toolbar {
    padding: 7px 10px;
    gap: 5px;
  }

  .browser-frame--compact .browser-frame__dot {
    width: 8px;
    height: 8px;
  }

  /* ─── Features Hero ─── */

  .landing-features-hero {
    padding-block: clamp(4rem, 10vw, 7rem) clamp(2rem, 5vw, 3rem);
    text-align: center;
  }

  .landing-features-hero__headline {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(2rem, 4.5vw, 3rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-block-end: 1.25rem;
  }

  .landing-features-hero__subheadline {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    line-height: 1.6;
    color: var(--color-ink-light);
  }

  /* ─── Feature Showcase ─── */

  .landing-showcase__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
    padding-block: clamp(2.5rem, 6vw, 4rem);
    border-block-end: 1px solid var(--border-color);
  }

  .landing-showcase__row:last-child {
    border-block-end: none;
  }

  .landing-showcase__row--reversed .landing-showcase__media {
    order: 1;
  }

  .landing-showcase__title {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    line-height: 1.3;
    margin-block-end: 1rem;
  }

  .landing-showcase__body {
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    line-height: 1.75;
    color: var(--color-ink-light);
  }

  /* ─── Responsive ─── */

  @media (max-width: 768px) {
    .landing-hero__inner {
      grid-template-columns: 1fr;
      text-align: center;
    }

    .landing-hero__content {
      max-width: none;
    }

    .landing-features__grid {
      grid-template-columns: 1fr;
    }

    .landing-pricing__grid {
      grid-template-columns: 1fr;
    }

    .landing-secondary__grid {
      grid-template-columns: 1fr;
    }

    .landing-footer__bottom {
      flex-direction: column;
      gap: 0.5rem;
      text-align: center;
    }

    .footer-newsletter__input[type="email"],
    .footer-newsletter__input[type="text"] {
      width: 100%;
    }

    .landing-showcase__row {
      grid-template-columns: 1fr;
    }

    .landing-showcase__row--reversed .landing-showcase__media {
      order: 0;
    }
  }
}