/* =========================================================
   keepthinKING SDG — main stylesheet
   Structure:
     1. Reset & base
     2. Typography utilities
     3. Layout utilities (container, grid)
     4. Components (button, card, eyebrow)
     5. Nav
     6. Section 1 — Hero
     7. Section 2 — Pain checklist
     8. Section 3 — Reframe
     9. Section 4 — Diagnostic value
    10. Section 5 — Methodology
    11. Section 6 — Cases
    12. Section 7 — Comparison
    13. Section 8 — About author
    14. Section 9 — FAQ
    15. Section 10 — Final CTA + form
    16. Footer
    17. Responsive overrides
   ========================================================= */


/* =========================================================
   1. Reset & base
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern", "liga", "calt";
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--text-primary-dark);
  background: var(--bg-dark);
  font-variant-numeric: lining-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Latin scripts (EN/UZ) render ~3% narrower than Cyrillic in Inter.
   Compensate perceived density on body-scale text. */
html[lang="en"] .hero__lead,
html[lang="uz"] .hero__lead,
html[lang="en"] .section-lead,
html[lang="uz"] .section-lead,
html[lang="en"] .pain__item,
html[lang="uz"] .pain__item,
html[lang="en"] .card-text,
html[lang="uz"] .card-text,
html[lang="en"] .methodology__step-text,
html[lang="uz"] .methodology__step-text,
html[lang="en"] .methodology__step-result,
html[lang="uz"] .methodology__step-result,
html[lang="en"] .case__row-text,
html[lang="uz"] .case__row-text,
html[lang="en"] .about__text p,
html[lang="uz"] .about__text p,
html[lang="en"] .faq__a-inner,
html[lang="uz"] .faq__a-inner,
html[lang="en"] .final-cta__filter,
html[lang="uz"] .final-cta__filter {
  letter-spacing: 0.005em;
}

/* Instrument Serif reads dense in Cyrillic and thin in Latin.
   For EN/UZ, switch display serif to Fraunces (variable, opsz axis)
   — editorial tone preserved, Latin proportions properly balanced. */
html[lang="en"] .hero__title,
html[lang="uz"] .hero__title,
html[lang="en"] .section-title,
html[lang="uz"] .section-title,
html[lang="en"] .final-cta__title,
html[lang="uz"] .final-cta__title,
html[lang="en"] .hero__stat-number,
html[lang="uz"] .hero__stat-number,
html[lang="en"] .card-number,
html[lang="uz"] .card-number,
html[lang="en"] .methodology__step-num,
html[lang="uz"] .methodology__step-num,
html[lang="en"] .pain__closer,
html[lang="uz"] .pain__closer,
html[lang="en"] .reframe__col-title,
html[lang="uz"] .reframe__col-title,
html[lang="en"] .reframe__punchline,
html[lang="uz"] .reframe__punchline,
html[lang="en"] .case__title,
html[lang="uz"] .case__title,
html[lang="en"] .compare__closer,
html[lang="uz"] .compare__closer,
html[lang="en"] .about__quote,
html[lang="uz"] .about__quote,
html[lang="en"] .final-cta__tg-title,
html[lang="uz"] .final-cta__tg-title {
  font-family: 'Fraunces', 'Instrument Serif', Georgia, serif;
  font-optical-sizing: auto;
}

/* Fraunces tracks slightly looser than Instrument Serif —
   relax tight negative tracking on display sizes for EN/UZ. */
html[lang="en"] .hero__title,
html[lang="uz"] .hero__title,
html[lang="en"] .section-title,
html[lang="uz"] .section-title,
html[lang="en"] .final-cta__title,
html[lang="uz"] .final-cta__title {
  letter-spacing: -0.015em;
}
html[lang="en"] .hero__stat-number,
html[lang="uz"] .hero__stat-number {
  letter-spacing: -0.02em;
}
html[lang="en"] .reframe__punchline,
html[lang="uz"] .reframe__punchline {
  letter-spacing: -0.005em;
}

/* RU stays in Instrument Serif for text, but display numerals get Fraunces
   for visual parity with EN/UZ — Instrument Serif digits are narrow/elongated. */
html[lang="ru"] .hero__stat-number,
html[lang="ru"] .card-number,
html[lang="ru"] .methodology__step-num {
  font-family: 'Fraunces', 'Instrument Serif', Georgia, serif;
  font-optical-sizing: auto;
}

/* Точечная коррекция цифр в RU — только указанные селекторы. */
html[lang="ru"] [data-i18n="pain.title"],
html[lang="ru"] [data-i18n="reframe.title"],
html[lang="ru"] [data-i18n="diag.title"],
html[lang="ru"] [data-i18n="about.title"],
html[lang="ru"] [data-i18n="hero.trust.1"],
html[lang="ru"] [data-i18n="tg.title"],
html[lang="ru"] .reframe__punchline {
  font-family: 'Fraunces', 'Instrument Serif', Georgia, serif;
  font-optical-sizing: auto;
}

img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }


/* =========================================================
   2. Typography utilities
   ========================================================= */
.serif { font-family: var(--font-serif); font-weight: 400; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-sans);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--text-secondary-dark);
  line-height: 1.3;
}

.eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--text-secondary-dark);
}

.on-light .eyebrow { color: var(--text-secondary-light); }
.on-light .eyebrow::before { background: var(--text-secondary-light); }

.section-title {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-h1);
  margin-top: 24px;
}

.section-lead {
  font-size: var(--fs-lead);
  line-height: var(--lh-lead);
  color: var(--text-primary-dark);
  opacity: 0.85;
  max-width: 720px;
  margin-top: 24px;
}

.on-light .section-lead { color: var(--text-primary-light); opacity: 1; }


/* =========================================================
   3. Layout utilities
   ========================================================= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--section-gap) 0;
}

.section--light {
  background: var(--bg-light);
  color: var(--text-primary-light);
}

.section-header {
  max-width: 800px;
  margin-bottom: 72px;
}


/* =========================================================
   4. Components
   ========================================================= */

/* ---------- Primary CTA button (gold, filled) ---------- */
.btn-primary {
  display: inline-block;
  padding: 20px 36px;
  background: var(--accent-gold);
  color: var(--text-primary-light);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: var(--ls-btn);
  border-radius: var(--radius-btn);
  transition: background var(--transition-fast), transform var(--transition-fast);
  text-align: center;
}

.btn-primary:hover {
  background: var(--accent-gold-hover);
  transform: translateY(-1px);
}

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

/* ---------- Secondary CTA (nav — outlined) ---------- */
.btn-outline {
  display: inline-block;
  padding: 12px 24px;
  background: transparent;
  color: var(--text-primary-dark);
  border: 1px solid var(--accent-gold);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: var(--ls-btn);
  border-radius: var(--radius-btn);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-outline:hover {
  background: var(--accent-gold);
  color: var(--text-primary-light);
}

/* ---------- Card ---------- */
.card {
  background: var(--card-dark);
  border: var(--border-width) solid var(--border-dark);
  border-radius: var(--radius-card);
  padding: 40px;
}

.on-light .card {
  background: var(--card-light);
  border-color: var(--border-light);
}

.card-number {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  line-height: 1;
  color: var(--text-secondary-dark);
  letter-spacing: 0;
  margin-bottom: 20px;
}

.on-light .card-number { color: var(--text-secondary-light); }

.card-title {
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 16px;
}

.card-text {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--text-primary-dark);
  opacity: 0.85;
}

.on-light .card-text { color: var(--text-primary-light); opacity: 1; }


/* =========================================================
   5. Nav
   ========================================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 100;
  transition: background var(--transition-base), border-color var(--transition-base);
  background: transparent;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: var(--bg-dark);
  border-bottom-color: var(--border-dark);
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  line-height: 1;
  text-decoration: none;
}

.nav__logo-img {
  display: block;
  height: 32px;
  width: auto;
  flex-shrink: 0;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
}

.nav__logo-main {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary-dark);
  letter-spacing: -0.01em;
}

.nav__logo-sub {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary-dark);
  margin-top: 6px;
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
}

.lang-switch__btn {
  background: transparent;
  border: 0;
  padding: 6px 4px;
  margin: 0;
  color: var(--text-secondary-dark);
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  transition: color var(--transition-base);
}

.lang-switch__btn:hover {
  color: var(--text-primary-dark);
}

.lang-switch__btn.is-active {
  color: var(--text-primary-dark);
}

.lang-switch__sep {
  color: var(--text-secondary-dark);
  opacity: 0.45;
  user-select: none;
  pointer-events: none;
}


/* =========================================================
   6. Hero
   ========================================================= */
.hero {
  min-height: max(720px, 100vh);
  padding: calc(var(--nav-height) + 60px) 0 60px;
  display: flex;
  align-items: center;
  background: var(--bg-dark);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 80px;
  align-items: center;
  width: 100%;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: var(--fs-h1);
  font-weight: 400;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-h1);
  margin-top: 48px;
  color: var(--text-primary-dark);
}

.hero__title-line {
  display: block;
}

.hero__lead {
  font-family: var(--font-sans);
  font-size: var(--fs-lead);
  line-height: var(--lh-lead);
  color: var(--text-primary-dark);
  opacity: 0.85;
  max-width: 580px;
  margin-top: 40px;
}

.hero__cta {
  margin-top: 48px;
}

.hero__trust {
  font-size: var(--fs-small);
  color: var(--text-secondary-dark);
  margin-top: 24px;
  letter-spacing: 0.01em;
}

.hero__trust span { margin: 0 12px; }
.hero__trust span:first-child { margin-left: 0; }
.hero__trust span:last-child { margin-right: 0; }

/* Right column — statistical widget */
.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__stat-micro {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary-dark);
}

.hero__stat-micro::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--text-secondary-dark);
}

.hero__stat-number {
  font-family: var(--font-serif);
  font-size: var(--fs-number-hero);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent-gold);
  margin-top: 24px;
  white-space: nowrap;
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum", "kern";
}

.hero__stat-divider {
  width: 100%;
  height: 1px;
  background: var(--border-dark);
  margin: 40px 0 24px;
}

.hero__stat-caption {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary-dark);
  max-width: 360px;
}


/* =========================================================
   7. Pain checklist
   ========================================================= */
.pain__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 48px;
  margin-top: 32px;
}

.pain__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--text-primary-light);
}

.pain__item::before {
  content: '';
  flex-shrink: 0;
  width: 24px;
  height: 1px;
  background: var(--text-secondary-light);
  margin-top: 14px;
}

.pain__closer {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--text-primary-light);
  margin-top: 64px;
  max-width: 720px;
  letter-spacing: -0.01em;
}


/* =========================================================
   8. Reframe — math
   ========================================================= */
.reframe__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 48px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.reframe__col {
  padding: 48px;
}

.reframe__col--left {
  border-right: 1px solid var(--border-dark);
}

.reframe__col-label {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary-dark);
  margin-bottom: 24px;
}

.reframe__col-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 32px;
  color: var(--text-primary-dark);
}

.reframe__row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-dark);
  font-size: 16px;
}

.reframe__row:last-child { border-bottom: none; }

.reframe__row-key { color: var(--text-secondary-dark); }
.reframe__row-val {
  color: var(--text-primary-dark);
  font-weight: 500;
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "tnum", "lnum", "kern";
  letter-spacing: 0.005em;
  word-spacing: 0.05em;
}

.reframe__highlight {
  color: var(--text-primary-dark);
  font-weight: 600;
}

.reframe__punchline {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  line-height: 1.25;
  margin-top: 64px;
  max-width: 900px;
  color: var(--text-primary-dark);
  letter-spacing: -0.01em;
}

.reframe__punchline-accent {
  color: var(--accent-gold);
}


/* =========================================================
   9. Diagnostic — anchor block
   ========================================================= */
.diagnostic {
  padding: calc(var(--section-gap) + 40px) 0;
}

.diagnostic__price-anchor {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--accent-gold);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 24px;
}

.diagnostic__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 72px;
}

.diagnostic__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border-dark);
  font-size: var(--fs-small);
  color: var(--text-secondary-dark);
}

.diagnostic__meta-item strong {
  color: var(--text-primary-dark);
  font-weight: 500;
}

.diagnostic__cta {
  margin-top: 48px;
}


/* =========================================================
   10. Methodology — vertical timeline
   ========================================================= */
.methodology__steps {
  margin-top: 64px;
  counter-reset: step;
}

.methodology__step {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 48px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border-light);
}

.methodology__step:last-child { border-bottom: none; }

.methodology__step-num {
  font-family: var(--font-serif);
  font-size: var(--fs-number-lg);
  font-weight: 400;
  line-height: 1;
  color: var(--text-primary-light);
  opacity: 0.25;
}

.methodology__step-content { padding-top: 8px; }

.methodology__step-title {
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary-light);
  margin-bottom: 12px;
}

.methodology__step-text {
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-primary-light);
  margin-bottom: 12px;
  max-width: 680px;
}

.methodology__step-result {
  font-size: 15px;
  color: var(--text-secondary-light);
  font-style: italic;
}


/* =========================================================
   11. Cases
   ========================================================= */
.cases__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.case {
  padding: 48px;
  background: var(--card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-card);
}

.case__label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary-dark);
  margin-bottom: 16px;
}

.case__title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--text-primary-dark);
  margin-bottom: 32px;
}

.case__row {
  padding: 16px 0;
  border-top: 1px solid var(--border-dark);
}

.case__row-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary-dark);
  margin-bottom: 8px;
}

.case__row-text {
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary-dark);
  opacity: 0.9;
}

.case__result {
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid var(--border-dark);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.5;
  color: var(--text-primary-dark);
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "tnum", "lnum", "kern";
  letter-spacing: 0.005em;
  word-spacing: 0.04em;
}

.case__result span:not(.case__result-accent) {
  font-weight: 700;
  color: var(--text-primary-dark);
  letter-spacing: 0.01em;
}

.case__result-accent {
  color: var(--accent-gold);
  font-weight: 700;
  letter-spacing: 0.015em;
}

.cases__note {
  margin-top: 40px;
  font-size: var(--fs-small);
  color: var(--text-secondary-dark);
  font-style: italic;
}


/* =========================================================
   12. Comparison table
   ========================================================= */
.compare__table {
  margin-top: 64px;
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.compare__table th,
.compare__table td {
  padding: 20px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  font-size: 15px;
  line-height: 1.4;
  color: var(--text-primary-light);
  vertical-align: middle;
  font-variant-numeric: lining-nums tabular-nums;
}

.compare__table th:last-child,
.compare__table td:last-child { border-right: none; }

.compare__table tr:last-child th,
.compare__table tr:last-child td { border-bottom: none; }

.compare__table thead th {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary-light);
  background: transparent;
}

.compare__table thead th.is-us {
  color: var(--text-primary-light);
  font-weight: 700;
  background: rgba(201, 169, 97, 0.26);
}

.compare__table tbody th {
  font-weight: 500;
  color: var(--text-primary-light);
  width: 32%;
}

.compare__table td.is-us {
  background: rgba(201, 169, 97, 0.20);
  font-weight: 700;
  color: var(--text-primary-light);
}

.compare__check { color: var(--text-primary-light); font-weight: 600; letter-spacing: 0.01em; }
.compare__dash { color: var(--text-secondary-light); opacity: 0.7; font-weight: 500; letter-spacing: 0.02em; }

.compare__closer {
  font-family: var(--font-serif);
  font-size: 26px;
  line-height: 1.35;
  color: var(--text-primary-light);
  margin-top: 48px;
  max-width: 800px;
}


/* =========================================================
   13. About author
   ========================================================= */
.about {
  background: var(--bg-dark);
}

.about__grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 80px;
  align-items: flex-start;
  margin-top: 64px;
}

.about__photo {
  aspect-ratio: 4 / 5;
  background: var(--card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary-dark);
  font-size: 13px;
  font-style: italic;
}

.about__text p {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-primary-dark);
  opacity: 0.92;
  margin-bottom: 24px;
  max-width: 640px;
}

.about__quote {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.35;
  color: var(--text-primary-dark);
  opacity: 1;
  padding: 32px 0 32px 32px;
  border-left: 2px solid var(--border-dark);
  margin: 40px 0;
  letter-spacing: -0.01em;
}

.about__signature {
  font-size: 14px;
  color: var(--text-secondary-dark);
  letter-spacing: 0.02em;
  margin-top: 32px;
}


/* =========================================================
   14. FAQ accordion
   ========================================================= */
.faq__list {
  margin-top: 48px;
  border-top: 1px solid var(--border-light);
}

.faq__item {
  border-bottom: 1px solid var(--border-light);
}

.faq__q {
  width: 100%;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary-light);
  text-align: left;
  transition: color var(--transition-fast);
}

.faq__q:hover { color: var(--accent-gold); }

.faq__q-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
}

.faq__q-icon::before,
.faq__q-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.faq__q-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1.5px;
  transform: translateY(-50%);
}

.faq__q-icon::after {
  top: 0;
  left: 50%;
  width: 1.5px;
  height: 100%;
  transform: translateX(-50%);
}

.faq__item.is-open .faq__q-icon::after { transform: translateX(-50%) scaleY(0); }

.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq__a-inner {
  padding: 0 0 32px;
  max-width: 800px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-primary-light);
  opacity: 0.85;
}

.faq__item.is-open { background: rgba(10, 22, 40, 0.03); }
.faq__item.is-open .faq__q { font-weight: 600; }


/* =========================================================
   15. Final CTA + form
   ========================================================= */
.final-cta {
  background: var(--bg-dark);
  padding: var(--section-gap) 0;
}

.final-cta__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.final-cta__title {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-h1);
  color: var(--text-primary-dark);
}

.final-cta__lead {
  font-size: var(--fs-lead);
  line-height: var(--lh-lead);
  color: var(--text-primary-dark);
  opacity: 0.85;
  margin-top: 24px;
}

.form {
  max-width: 560px;
  margin: 0 auto;
}

.form__field {
  margin-bottom: 20px;
}

.form__label {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary-dark);
  margin-bottom: 8px;
}

.form__input,
.form__select {
  width: 100%;
  padding: 16px 20px;
  background: var(--card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-btn);
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--text-primary-dark);
  transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__select:focus {
  outline: none;
  border-color: var(--accent-gold);
}

.form__input::placeholder { color: var(--text-secondary-dark); }

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M1 1L6 6L11 1' stroke='%238A94A6' stroke-width='1.5'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 20px center;
  padding-right: 48px;
}

.form__submit {
  width: 100%;
  margin-top: 12px;
}

.form__note {
  text-align: center;
  font-size: var(--fs-small);
  color: var(--text-secondary-dark);
  margin-top: 20px;
}

.final-cta__tg {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.final-cta__tg-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-h1);
  color: var(--text-primary-dark);
  margin-bottom: 20px;
}

.final-cta__filter {
  max-width: 640px;
  margin: 24px auto 0;
  text-align: center;
  font-size: 15px;
  font-style: italic;
  line-height: 1.55;
  color: var(--text-secondary-dark);
}

.diagnostic__value-frame {
  margin-top: 32px;
}


/* =========================================================
   16. Footer
   ========================================================= */
.footer {
  padding: 48px 0;
  background: var(--bg-dark);
  border-top: 1px solid var(--border-dark);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__brand {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary-dark);
  margin-bottom: 6px;
}

.footer__tagline {
  font-size: 13px;
  color: var(--text-secondary-dark);
}

.footer__right {
  text-align: right;
  font-size: 13px;
  color: var(--text-secondary-dark);
}

.footer__right a { color: var(--text-secondary-dark); transition: color var(--transition-fast); }
.footer__right a:hover { color: var(--accent-gold); }
.footer__right span { margin: 0 8px; }


/* =========================================================
   17. Responsive overrides
   ========================================================= */

/* ---------- Laptop (≤1199px) ---------- */
@media (max-width: 1199px) {
  .hero__grid { grid-template-columns: 1fr 320px; gap: 60px; }
}

/* ---------- Tablet (≤1023px) ---------- */
@media (max-width: 1023px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 64px;
    align-items: flex-start;
  }

  .hero__stat { max-width: 480px; }

  .pain__list { grid-template-columns: 1fr; gap: 0; }
  .pain__closer { font-size: 28px; }

  .reframe__grid { grid-template-columns: 1fr; }
  .reframe__col--left { border-right: none; border-bottom: 1px solid var(--border-dark); }
  .reframe__col { padding: 32px; }
  .reframe__punchline { font-size: 28px; }

  .diagnostic__cards { grid-template-columns: 1fr; }
  .card { padding: 32px; }

  .methodology__step { grid-template-columns: 80px 1fr; gap: 32px; }
  .methodology__step-num { font-size: var(--fs-number-lg); }
  .methodology__step-title { font-size: 22px; }

  .cases__grid { grid-template-columns: 1fr; }
  .case { padding: 32px; }
  .case__title { font-size: 24px; }

  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .about__photo { max-width: 360px; }
  .about__quote { font-size: 26px; padding-left: 24px; }

  .compare__table th,
  .compare__table td { padding: 16px; font-size: 14px; }

  .faq__q { font-size: 18px; }
}

/* ---------- Mobile (≤767px) ---------- */
@media (max-width: 767px) {
  .section-header { margin-bottom: 48px; }

  .nav__logo-img { height: 28px; }
  .nav__logo-sub { display: none; }
  .btn-outline { padding: 10px 16px; font-size: 12px; }
  .nav__right { gap: 14px; }
  .lang-switch { font-size: 11px; gap: 2px; }
  .lang-switch__btn { padding: 6px 3px; }

  .hero { padding-top: calc(var(--nav-height) + 40px); padding-bottom: 80px; min-height: auto; }
  .hero__title { margin-top: 32px; }
  .hero__lead { margin-top: 28px; }
  .hero__cta { margin-top: 36px; width: 100%; display: block; text-align: center; }
  .hero__trust { font-size: 13px; line-height: 1.7; }
  .hero__trust span { display: inline; }
  .hero__stat-number { margin-top: 16px; }
  .hero__stat-divider { margin: 28px 0 20px; }

  .pain__item { padding: 16px 0; font-size: 16px; }
  .pain__closer { font-size: 24px; margin-top: 48px; }

  .reframe__col { padding: 24px; }
  .reframe__col-title { font-size: 22px; margin-bottom: 20px; }
  .reframe__row { font-size: 14px; }
  .reframe__punchline { font-size: 22px; margin-top: 40px; }

  .diagnostic__price-anchor { font-size: 11px; padding: 6px 12px; }
  .diagnostic__cards { margin-top: 48px; }
  .card-title { font-size: 20px; }
  .diagnostic__meta { gap: 20px; }
  .diagnostic__cta { width: 100%; text-align: center; display: block; }

  .methodology__step { grid-template-columns: 56px 1fr; gap: 20px; padding: 28px 0; }
  .methodology__step-num { font-size: 44px; }
  .methodology__step-title { font-size: 19px; }
  .methodology__step-text { font-size: 15px; }

  .case { padding: 24px; }
  .case__title { font-size: 22px; margin-bottom: 24px; }
  .case__result { font-size: 18px; }

  /* Comparison table → stacked cards on mobile */
  .compare__table,
  .compare__table thead,
  .compare__table tbody,
  .compare__table tr,
  .compare__table th,
  .compare__table td { display: block; width: 100%; border: none; }

  .compare__table { border: 1px solid var(--border-light); }
  .compare__table thead { display: none; }
  .compare__table tbody tr {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-light);
  }
  .compare__table tbody tr:last-child { border-bottom: none; }
  .compare__table tbody th {
    padding: 16px 20px 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary-light);
  }
  .compare__table tbody td {
    padding: 6px 20px;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
  }
  .compare__table tbody td::before {
    content: attr(data-label);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary-light);
  }
  .compare__table tbody td.is-us::before { color: var(--accent-gold); }
  .compare__table tbody td.is-us { background: transparent; }
  .compare__closer { font-size: 20px; margin-top: 32px; }

  .about__quote { font-size: 20px; padding: 24px 0 24px 20px; margin: 28px 0; }
  .about__text p { font-size: 16px; }

  .faq__list { margin-top: 32px; }
  .faq__q { font-size: 16px; padding: 20px 0; }
  .faq__a-inner { font-size: 15px; padding-bottom: 24px; }

  .final-cta__header { margin-bottom: 40px; }
  .footer__inner { flex-direction: column; }
  .footer__right { text-align: left; }
}