/* ── Google Fonts ──────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ── Variables ─────────────────────────────────────────────────────────────── */
:root {
  --purple:       #7F77DD;
  --purple-dark:  #534AB7;
  --purple-darker:#3C3489;
  --purple-light: #EEEDFE;
  --white:        #FFFFFF;
  --text:         #1A1A1A;
  --text-sub:     #666666;
  --bg:           #F8F8FF;
  --border:       #E5E3F5;
  --radius-card:  16px;
  --radius-btn:   12px;
  --shadow-sm:    0 2px 8px rgba(127,119,221,0.10);
  --shadow-md:    0 4px 20px rgba(127,119,221,0.15);
  --shadow-lg:    0 8px 40px rgba(127,119,221,0.20);
  --transition:   0.2s ease;
}

/* ── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  outline: none;
}

/* ── Typography ────────────────────────────────────────────────────────────── */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: 1.125rem; font-weight: 700; line-height: 1.3; }
p  { line-height: 1.75; }

/* ── Layout ────────────────────────────────────────────────────────────────── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }
.section--sm { padding: 72px 0; }

/* ── Navigation ────────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 32px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--purple);
  flex-shrink: 0;
}
.nav__logo svg { width: 34px; height: 34px; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-sub);
  transition: color var(--transition);
}
.nav__link:hover, .nav__link.active { color: var(--purple); }
.nav__cta {
  background: var(--purple);
  color: var(--white);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  transition: background var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.nav__cta:hover { background: var(--purple-dark); transform: translateY(-1px); }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav__mobile {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--border);
  padding: 16px 0 24px;
}
.nav__mobile.open { display: flex; }
.nav__mobile-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  padding: 12px 24px;
  transition: color var(--transition);
}
.nav__mobile-link:hover { color: var(--purple); }
.nav__mobile-cta {
  margin: 12px 24px 0;
  background: var(--purple);
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px;
  border-radius: var(--radius-btn);
  text-align: center;
  display: block;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: var(--radius-btn);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  cursor: pointer;
  border: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--primary   { background: var(--purple); color: var(--white); }
.btn--primary:hover { background: var(--purple-dark); }
.btn--white     { background: var(--white); color: var(--text); }
.btn--white:hover { background: #F0EFFE; }
.btn--outline   { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.75); }
.btn--outline:hover { background: rgba(255,255,255,0.15); }
.btn--outline-purple { background: transparent; color: var(--purple); border: 2px solid var(--purple); }
.btn--outline-purple:hover { background: var(--purple-light); }
.btn--lg { font-size: 1.0625rem; padding: 16px 32px; }
.btn--full { width: 100%; }

/* ── Store Buttons ─────────────────────────────────────────────────────────── */
.store-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 22px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.store-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.store-btn--white   { background: var(--white); color: var(--text); }
.store-btn--outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.75); }
.store-btn__icon { font-size: 1.375rem; }
.store-btn__text { display: flex; flex-direction: column; line-height: 1.2; }
.store-btn__small { font-size: 0.6875rem; font-weight: 400; opacity: 0.75; }
.store-btn__big   { font-size: 1rem; font-weight: 700; }

/* ── Hero ──────────────────────────────────────────────────────────────────── */
.hero {
  background: var(--purple);
  padding: 80px 0 64px;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero__sub {
  color: rgba(255,255,255,0.88);
  font-size: 1.125rem;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero__rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: rgba(255,255,255,0.85);
  font-size: 0.9375rem;
}
.hero__stars { color: #FFD700; font-size: 1.125rem; letter-spacing: 1px; }

/* ── Phone Mockup ──────────────────────────────────────────────────────────── */
.phone-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}
.phone {
  width: 260px;
  height: 520px;
  background: #1A1A2E;
  border-radius: 44px;
  padding: 12px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.4), inset 0 0 0 1px rgba(255,255,255,0.12);
  position: relative;
}
.phone__screen {
  background: var(--white);
  border-radius: 34px;
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.phone__notch {
  width: 90px;
  height: 22px;
  background: #1A1A2E;
  border-radius: 0 0 14px 14px;
  align-self: center;
  margin-bottom: 2px;
  flex-shrink: 0;
}
.phone__header {
  background: var(--purple);
  padding: 10px 14px 14px;
  flex-shrink: 0;
}
.phone__header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.phone__logo-txt {
  font-size: 16px;
  font-weight: 800;
  color: var(--white);
}
.phone__streak {
  background: rgba(255,255,255,0.2);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
}
.phone__progress-card {
  background: rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.phone__level-txt { color: rgba(255,255,255,0.9); font-size: 11px; font-weight: 600; }
.phone__cefr { background: var(--white); color: var(--purple); font-size: 11px; font-weight: 800; padding: 2px 7px; border-radius: 6px; }
.phone__body { padding: 10px; flex: 1; overflow: hidden; }
.phone__stats {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}
.phone__stat {
  flex: 1;
  background: var(--bg);
  border-radius: 8px;
  padding: 6px 0;
  text-align: center;
}
.phone__stat-val { font-size: 13px; font-weight: 700; color: var(--text); }
.phone__stat-lbl { font-size: 9px; color: var(--text-sub); }
.phone__section-lbl { font-size: 11px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.phone__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.phone__card {
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 9px;
}
.phone__card-emoji { font-size: 18px; margin-bottom: 4px; }
.phone__card-title { font-size: 10px; font-weight: 700; color: var(--text); }
.phone__card-sub   { font-size: 9px; color: var(--text-sub); }

/* ── Problem Section ───────────────────────────────────────────────────────── */
.problem { background: var(--white); }
.problem__intro { text-align: center; max-width: 600px; margin: 0 auto 48px; }
.problem__intro h2 { margin-bottom: 16px; }
.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.problem__card {
  background: #FFF5F5;
  border: 1px solid #FECACA;
  border-radius: var(--radius-card);
  padding: 28px 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: transform var(--transition);
}
.problem__card:hover { transform: translateY(-4px); }
.problem__icon {
  width: 36px;
  height: 36px;
  background: #FEE2E2;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.problem__card h3 { font-size: 1rem; margin-bottom: 6px; color: var(--text); }
.problem__card p  { font-size: 0.875rem; color: var(--text-sub); line-height: 1.55; }
.problem__cta {
  text-align: center;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--purple-dark);
}

/* ── Features ──────────────────────────────────────────────────────────────── */
.features { background: var(--purple-light); }
.features__header { text-align: center; max-width: 560px; margin: 0 auto 56px; }
.features__header h2 { margin-bottom: 14px; }
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-card__icon {
  width: 48px;
  height: 48px;
  background: var(--purple-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.feature-card h3 { margin-bottom: 10px; color: var(--text); }
.feature-card p  { font-size: 0.9375rem; color: var(--text-sub); line-height: 1.65; }

/* ── Languages ─────────────────────────────────────────────────────────────── */
.languages { background: var(--white); }
.languages__header { text-align: center; max-width: 640px; margin: 0 auto 16px; }
.languages__header h2 { margin-bottom: 16px; }
.languages__sub { color: var(--text-sub); font-size: 1rem; text-align: center; max-width: 600px; margin: 0 auto 48px; }
.languages__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.lang-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: transform var(--transition), box-shadow var(--transition);
  text-align: center;
}
.lang-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.lang-card__flag { font-size: 2.5rem; }
.lang-card__name { font-size: 1rem; font-weight: 600; color: var(--text); }
.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
}
.badge--free    { background: #DCFCE7; color: #166534; }
.badge--price   { background: var(--purple-light); color: var(--purple-dark); }

/* ── How It Works ──────────────────────────────────────────────────────────── */
.how { background: var(--purple-light); }
.how__header { text-align: center; max-width: 560px; margin: 0 auto 56px; }
.how__header h2 { margin-bottom: 14px; }
.how__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.how__grid::before {
  content: '';
  position: absolute;
  top: 38px;
  left: calc(16.67% + 24px);
  right: calc(16.67% + 24px);
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.how-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}
.how-step__num {
  width: 76px;
  height: 76px;
  background: var(--purple);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 24px;
  border: 4px solid var(--white);
  box-shadow: var(--shadow-sm);
}
.how-step h3 { margin-bottom: 10px; font-size: 1.125rem; }
.how-step p  { font-size: 0.9375rem; color: var(--text-sub); line-height: 1.65; }

/* ── Pricing ───────────────────────────────────────────────────────────────── */
.pricing { background: var(--white); }
.pricing__header { text-align: center; max-width: 560px; margin: 0 auto 56px; }
.pricing__header h2 { margin-bottom: 14px; }
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 780px;
  margin: 0 auto;
}
.price-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  border: 2px solid var(--border);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.price-card--featured { border-color: var(--purple); }
.price-card--free     { border-color: #22C55E; }
.price-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--purple);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}
.price-card__label { font-size: 0.875rem; font-weight: 600; color: var(--text-sub); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.06em; }
.price-card__price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 6px; }
.price-card__amount { font-size: 3rem; font-weight: 800; color: var(--text); line-height: 1; }
.price-card__period { font-size: 0.9375rem; color: var(--text-sub); font-weight: 500; }
.price-card__note { font-size: 0.875rem; color: var(--text-sub); margin-bottom: 28px; }
.price-card__divider { height: 1px; background: var(--border); margin-bottom: 24px; }
.price-card__features { margin-bottom: 28px; }
.price-card__feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text);
  padding: 6px 0;
}
.price-card__check {
  width: 20px;
  height: 20px;
  background: #DCFCE7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #166534;
  font-size: 11px;
  flex-shrink: 0;
  font-weight: 700;
}

/* ── Testimonials ──────────────────────────────────────────────────────────── */
.testimonials { background: var(--purple-light); }
.testimonials__header { text-align: center; max-width: 560px; margin: 0 auto 56px; }
.testimonials__header h2 { margin-bottom: 14px; }
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.testimonial-card__stars { font-size: 1.125rem; color: #FFD700; letter-spacing: 2px; margin-bottom: 16px; }
.testimonial-card__quote { font-size: 0.9375rem; color: var(--text); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-card__author { font-size: 0.875rem; font-weight: 600; color: var(--purple-dark); }
.testimonial-card__role   { font-size: 0.8125rem; color: var(--text-sub); margin-top: 2px; }

/* ── CTA Section ───────────────────────────────────────────────────────────── */
.cta-section {
  background: var(--purple);
  padding: 96px 0;
  text-align: center;
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; }
.cta-section__sub { color: rgba(255,255,255,0.85); font-size: 1.125rem; margin-bottom: 40px; max-width: 480px; margin-left: auto; margin-right: auto; }
.cta-section .store-btns { justify-content: center; margin-bottom: 20px; }
.cta-section__fine { color: rgba(255,255,255,0.6); font-size: 0.875rem; }

/* ── Footer ────────────────────────────────────────────────────────────────── */
.footer {
  background: #26215C;
  padding: 48px 0;
  color: rgba(255,255,255,0.75);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--white);
}
.footer__logo svg { width: 28px; height: 28px; }
.footer__copy { font-size: 0.8125rem; }
.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  justify-content: center;
}
.footer__link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer__link:hover { color: var(--white); }
.footer__made { font-size: 0.875rem; text-align: right; }

/* ── Page Hero (inner pages) ────────────────────────────────────────────────── */
.page-hero {
  background: var(--purple);
  padding: 72px 0;
  text-align: center;
}
.page-hero h1 { color: var(--white); font-size: clamp(1.75rem, 4vw, 2.75rem); margin-bottom: 12px; }
.page-hero__sub { color: rgba(255,255,255,0.82); font-size: 1.0625rem; }

/* ── Prose / Legal Content ─────────────────────────────────────────────────── */
.prose {
  max-width: 800px;
  margin: 0 auto;
  padding: 72px 24px;
}
.prose h2 { font-size: 1.375rem; margin-top: 48px; margin-bottom: 14px; color: var(--text); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.0625rem; margin-top: 28px; margin-bottom: 10px; color: var(--text); }
.prose p  { font-size: 0.9375rem; color: var(--text-sub); margin-bottom: 16px; line-height: 1.8; }
.prose ul { margin-bottom: 16px; padding-left: 0; }
.prose ul li {
  font-size: 0.9375rem;
  color: var(--text-sub);
  padding: 4px 0 4px 20px;
  position: relative;
  line-height: 1.7;
}
.prose ul li::before {
  content: '•';
  position: absolute;
  left: 6px;
  color: var(--purple);
  font-weight: 700;
}
.prose a { color: var(--purple); text-decoration: underline; }
.prose a:hover { color: var(--purple-dark); }

/* ── Support Page ──────────────────────────────────────────────────────────── */
.support-hero { background: var(--purple); padding: 72px 0; text-align: center; }
.support-hero h1 { color: var(--white); margin-bottom: 14px; }
.support-hero__sub { color: rgba(255,255,255,0.82); font-size: 1.0625rem; margin-bottom: 24px; }
.support-hero__email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--white);
  font-size: 1.0625rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 100px;
  transition: background var(--transition);
}
.support-hero__email:hover { background: rgba(255,255,255,0.28); }

/* ── FAQ ───────────────────────────────────────────────────────────────────── */
.faq { background: var(--white); }
.faq__header { text-align: center; max-width: 560px; margin: 0 auto 48px; }
.faq__header h2 { margin-bottom: 14px; }
.faq__list { max-width: 760px; margin: 0 auto; }
.faq__item {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq__question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  background: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: background var(--transition);
}
.faq__question:hover { background: var(--bg); }
.faq__question.open  { background: var(--purple-light); color: var(--purple-dark); }
.faq__chevron {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--text-sub);
  transition: transform 0.25s ease;
}
.faq__question.open .faq__chevron { transform: rotate(180deg); color: var(--purple); }
.faq__answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--text-sub);
  line-height: 1.75;
  background: var(--white);
}
.faq__answer.open { display: block; }

/* ── Contact Form ──────────────────────────────────────────────────────────── */
.contact { background: var(--purple-light); }
.contact__header { text-align: center; max-width: 560px; margin: 0 auto 48px; }
.contact__header h2 { margin-bottom: 14px; }
.contact__form {
  max-width: 640px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(127,119,221,0.15);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-error { font-size: 0.8125rem; color: #DC2626; margin-top: 5px; display: none; }
.form-error.visible { display: block; }
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
}
.form-success.visible { display: block; }
.form-success__icon { font-size: 3rem; margin-bottom: 16px; }
.form-success h3 { margin-bottom: 10px; color: var(--purple-dark); }
.form-success p  { color: var(--text-sub); }
.contact__promise {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9375rem;
  color: var(--text-sub);
}
.contact__promise strong { color: var(--purple-dark); }

/* ── About Page ────────────────────────────────────────────────────────────── */
.about-story { background: var(--white); }
.about-story__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-story__text h2 { margin-bottom: 20px; }
.about-story__text p  { color: var(--text-sub); font-size: 1rem; margin-bottom: 16px; line-height: 1.8; }
.about-mission { background: var(--purple); padding: 80px 0; text-align: center; }
.about-mission h2 { color: var(--white); margin-bottom: 20px; }
.about-mission p  { color: rgba(255,255,255,0.88); font-size: 1.125rem; max-width: 600px; margin: 0 auto; line-height: 1.75; }
.about-values { background: var(--purple-light); }
.about-values__header { text-align: center; max-width: 560px; margin: 0 auto 48px; }
.about-values__header h2 { margin-bottom: 14px; }
.about-values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  border: 1px solid var(--border);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.value-card__icon { font-size: 2.5rem; margin-bottom: 16px; }
.value-card h3 { margin-bottom: 10px; }
.value-card p  { font-size: 0.9375rem; color: var(--text-sub); line-height: 1.65; }
.about-company { background: var(--white); }
.about-company__header { text-align: center; max-width: 560px; margin: 0 auto 48px; }
.about-company__header h2 { margin-bottom: 14px; }
.company-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 680px; margin: 0 auto; }
.company-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
}
.company-item__label { font-size: 0.75rem; font-weight: 700; color: var(--text-sub); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.company-item__value { font-size: 1rem; font-weight: 600; color: var(--text); }
.company-item__value a { color: var(--purple); }
.company-item__value a:hover { text-decoration: underline; }
.about-built { background: var(--purple-light); }
.about-built__header { text-align: center; max-width: 560px; margin: 0 auto 48px; }
.about-built__header h2 { margin-bottom: 14px; }
.built-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.built-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition: transform var(--transition), box-shadow var(--transition);
}
.built-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.built-item__icon { font-size: 1.5rem; }

/* ── About Story Visual ─────────────────────────────────────────────────────── */
.about-visual {
  background: var(--purple-light);
  border-radius: var(--radius-card);
  padding: 48px 40px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.about-stat {
  display: flex;
  align-items: center;
  gap: 20px;
}
.about-stat__icon {
  width: 56px;
  height: 56px;
  background: var(--purple);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.about-stat__num { font-size: 2rem; font-weight: 800; color: var(--text); line-height: 1; }
.about-stat__lbl { font-size: 0.875rem; color: var(--text-sub); }

/* ── Fade-in animation ─────────────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in--delay-1 { transition-delay: 0.1s; }
.fade-in--delay-2 { transition-delay: 0.2s; }
.fade-in--delay-3 { transition-delay: 0.3s; }
.fade-in--delay-4 { transition-delay: 0.4s; }
.fade-in--delay-5 { transition-delay: 0.5s; }

/* ── 404 Page ──────────────────────────────────────────────────────────────── */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
  background: var(--bg);
}
.error-page__code { font-size: 8rem; font-weight: 900; color: var(--purple-light); line-height: 1; margin-bottom: 8px; }
.error-page h1 { font-size: 2rem; margin-bottom: 16px; }
.error-page p  { color: var(--text-sub); margin-bottom: 32px; font-size: 1.0625rem; }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__inner { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  /* Nav */
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  /* Hero */
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__badge { margin-left: auto; margin-right: auto; }
  .store-btns { justify-content: center; }
  .hero__rating { justify-content: center; }
  .phone-wrap { display: none; }

  /* Grids */
  .problem__grid        { grid-template-columns: 1fr; }
  .features__grid       { grid-template-columns: 1fr; }
  .languages__grid      { grid-template-columns: repeat(2, 1fr); }
  .how__grid            { grid-template-columns: 1fr; gap: 40px; }
  .how__grid::before    { display: none; }
  .pricing__grid        { grid-template-columns: 1fr; }
  .testimonials__grid   { grid-template-columns: 1fr; }
  .about-story__inner   { grid-template-columns: 1fr; gap: 40px; }
  .about-values__grid   { grid-template-columns: 1fr; }
  .company-grid         { grid-template-columns: 1fr; }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
  }
  .footer__made { text-align: center; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .contact__form { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .languages__grid { grid-template-columns: repeat(2, 1fr); }
  .store-btns { flex-direction: column; align-items: center; }
  .pricing__grid { max-width: 100%; }
}