/* ============================================================================
   insAId — Russian landing (useinsaid.com / Impact Launch)
   Design system: warm paper background, graphite ink, single amber accent.
   Hand-written CSS — no utility framework, no dead classes.
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@400;500;600;700;800&family=Golos+Text:wght@400;500;600;700&display=swap');

:root {
  --paper: 42 33% 95%;        /* warm off-white */
  --paper-raised: 40 30% 98%;
  --ink: 20 8% 11%;            /* near-black graphite */
  --ink-soft: 20 6% 32%;
  --ink-faint: 20 6% 48%;
  --line: 30 12% 85%;
  --amber: 34 74% 51%;         /* single accent */
  --amber-deep: 28 70% 42%;
  --amber-ink: 34 60% 22%;
  --amber-tint: 34 74% 96%;
  --white: 40 30% 98%;
  --shadow-color: 20 20% 15%;

  --font-display: 'Unbounded', system-ui, sans-serif;
  --font-body: 'Golos Text', system-ui, sans-serif;

  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: hsl(var(--paper));
  color: hsl(var(--ink));
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: hsl(var(--amber-deep));
}
.eyebrow::before {
  content: '';
  width: 1.5rem;
  height: 2px;
  background: hsl(var(--amber));
}
.eyebrow--center { justify-content: center; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }

.section { padding: 5rem 0; }
.section--tight { padding: 3.5rem 0; }
.section--ink { background: hsl(var(--ink)); color: hsl(var(--paper)); }
.section--raised { background: hsl(var(--paper-raised)); }

.section-head { max-width: 640px; margin-bottom: 3rem; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1.2; margin: 0.75rem 0 1rem; }
.section-head p { color: hsl(var(--ink-soft)); font-size: 1.0625rem; line-height: 1.65; }
.section--ink .section-head p { color: hsl(var(--paper) / 0.72); }

.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, hsl(var(--line)), transparent);
}

/* ---- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.9rem 1.75rem;
  border-radius: 0.5rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn-amber {
  background: hsl(var(--amber));
  color: hsl(var(--ink));
  box-shadow: 0 6px 20px -6px hsl(var(--amber) / 0.55);
}
.btn-amber:hover { transform: translateY(-2px); box-shadow: 0 10px 26px -6px hsl(var(--amber) / 0.65); }
.btn-ink {
  background: hsl(var(--ink));
  color: hsl(var(--paper));
}
.btn-ink:hover { transform: translateY(-2px); background: hsl(var(--ink) / 0.85); }
.btn-outline {
  background: transparent;
  border-color: hsl(var(--ink) / 0.2);
  color: hsl(var(--ink));
}
.btn-outline:hover { border-color: hsl(var(--ink)); }
.section--ink .btn-outline { border-color: hsl(var(--paper) / 0.3); color: hsl(var(--paper)); }
.section--ink .btn-outline:hover { border-color: hsl(var(--paper)); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ---- Header ----------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.1rem 0;
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
}
.header.is-scrolled {
  background: hsl(var(--paper) / 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 hsl(var(--line));
  padding: 0.8rem 0;
}
.header .container { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.logo { display: flex; align-items: baseline; gap: 0.6rem; }
.logo__mark { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.logo span.ai { color: hsl(var(--amber-deep)); }
.logo .sub { font-family: var(--font-body); font-weight: 500; font-size: 0.75rem; color: hsl(var(--ink-faint)); letter-spacing: 0; white-space: nowrap; }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { font-size: 0.9375rem; font-weight: 500; color: hsl(var(--ink-soft)); transition: color 0.2s ease; }
.nav-links a:hover { color: hsl(var(--ink)); }

.header-cta { display: flex; align-items: center; gap: 1rem; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 0.5rem; }
.nav-toggle span { width: 22px; height: 2px; background: hsl(var(--ink)); transition: transform 0.2s ease, opacity 0.2s ease; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav { display: none; position: fixed; inset: 64px 0 0 0; background: hsl(var(--paper)); z-index: 90; padding: 2rem 1.5rem; }
.mobile-nav.is-open { display: flex; flex-direction: column; gap: 1.5rem; }
.mobile-nav a { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; }
.mobile-nav__cta { margin-top: 0.5rem; }

/* ---- Hero --------------------------------------------------------------------- */
.hero { padding: 9rem 0 5rem; position: relative; overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 85% 0%, hsl(var(--amber) / 0.14), transparent 60%),
    radial-gradient(ellipse 50% 40% at 0% 100%, hsl(var(--amber) / 0.08), transparent 60%);
}
.hero__grid {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(hsl(var(--ink) / 0.035) 1px, transparent 1px), linear-gradient(90deg, hsl(var(--ink) / 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.hero__content { max-width: 760px; }
.hero h1 { font-size: clamp(2.25rem, 5vw, 3.6rem); line-height: 1.08; margin: 1.25rem 0 1.5rem; }
.hero h1 em { font-style: normal; color: hsl(var(--amber-deep)); }
.hero__lede { font-size: 1.1875rem; color: hsl(var(--ink-soft)); max-width: 620px; margin-bottom: 2.25rem; line-height: 1.65; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem; }

.hero__partner { font-size: 0.875rem; color: hsl(var(--ink-faint)); margin-bottom: 2rem; }
.hero__partner a { color: hsl(var(--amber-deep)); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }

.hero__stats { display: grid; grid-template-columns: repeat(2, auto); gap: 3rem; padding-top: 2rem; border-top: 1px solid hsl(var(--line)); max-width: 100%; }
.hero__stat-num { font-family: var(--font-display); font-size: 1.75rem; font-weight: 700; color: hsl(var(--ink)); white-space: nowrap; }
.hero__stat-label { font-size: 0.8125rem; color: hsl(var(--ink-faint)); margin-top: 0.2rem; }

/* ---- Marquee (marketplace logos as text, no fake logos) --------------------- */
.marquee-strip { border-top: 1px solid hsl(var(--line)); border-bottom: 1px solid hsl(var(--line)); padding: 1.75rem 0; }
.marquee-strip .container { display: block; }
.marquee-strip__label { display: block; font-size: 0.8125rem; color: hsl(var(--ink-faint)); margin-bottom: 0.75rem; }
.marquee-viewport { overflow: hidden; width: 100%; }
.marquee-track { display: flex; gap: 3rem; width: max-content; animation: marquee-scroll 26s linear infinite; }
.marquee-track span { font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem; color: hsl(var(--ink-soft)); white-space: nowrap; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---- Reason / problem cards --------------------------------------------------- */
.reason-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.reason-card { background: hsl(var(--paper-raised)); border: 1px solid hsl(var(--line)); border-radius: 1rem; padding: 1.75rem; }
.reason-card__num { font-family: var(--font-display); font-size: 0.8125rem; font-weight: 700; color: hsl(var(--amber-deep)); margin-bottom: 1rem; display: block; }
.reason-card h3 { font-size: 1.0625rem; margin-bottom: 0.6rem; line-height: 1.3; }
.reason-card p { font-size: 0.9375rem; color: hsl(var(--ink-soft)); line-height: 1.55; }

/* ---- Barrier list (why brands don't launch alone) ----------------------------- */
.barrier-list { display: grid; gap: 1px; background: hsl(var(--line)); border: 1px solid hsl(var(--line)); border-radius: 1rem; overflow: hidden; }
.barrier-item { background: hsl(var(--paper)); padding: 1.5rem 1.75rem; display: flex; gap: 1.25rem; align-items: flex-start; }
.barrier-item__icon { flex-shrink: 0; width: 2.25rem; height: 2.25rem; border-radius: 50%; background: hsl(var(--ink)); color: hsl(var(--paper)); display: flex; align-items: center; justify-content: center; }
.barrier-item p { font-size: 1rem; color: hsl(var(--ink)); line-height: 1.55; }
.barrier-item p strong { font-weight: 600; }

/* ---- Solution: checklist two-col ---------------------------------------------- */
.solution-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
.solution-list { display: grid; gap: 0.9rem; }
.solution-list li { display: flex; gap: 0.9rem; align-items: flex-start; font-size: 1rem; line-height: 1.55; }
.solution-list .check { flex-shrink: 0; width: 1.375rem; height: 1.375rem; border-radius: 50%; background: hsl(var(--amber-tint)); color: hsl(var(--amber-deep)); display: flex; align-items: center; justify-content: center; margin-top: 0.1rem; }

.solution-card { background: hsl(var(--ink)); color: hsl(var(--paper)); border-radius: 1.25rem; padding: 2.25rem; }
.solution-card h3 { font-size: 1.375rem; margin-bottom: 1rem; }
.solution-card p { color: hsl(var(--paper) / 0.72); font-size: 0.9688rem; line-height: 1.6; margin-bottom: 1.5rem; }
.solution-card__badge { display: inline-flex; align-items: center; gap: 0.5rem; background: hsl(var(--amber) / 0.15); color: hsl(var(--amber)); font-size: 0.8125rem; font-weight: 600; padding: 0.4rem 0.85rem; border-radius: 999px; margin-bottom: 1.25rem; }

/* ---- Why us grid --------------------------------------------------------------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.75rem; }
.why-card { padding: 2rem; border-radius: 1rem; border: 1px solid hsl(var(--line)); background: hsl(var(--paper)); position: relative; }
.why-card__mark { font-family: var(--font-display); font-size: 2.5rem; font-weight: 800; color: hsl(var(--amber) / 0.28); line-height: 1; margin-bottom: 1rem; }
.why-card h3 { font-size: 1.125rem; margin-bottom: 0.6rem; }
.why-card p { font-size: 0.9375rem; color: hsl(var(--ink-soft)); line-height: 1.6; }

/* ---- Pricing / formats ---------------------------------------------------------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; align-items: stretch; }
.price-card { display: flex; flex-direction: column; background: hsl(var(--paper-raised)); border: 1px solid hsl(var(--line)); border-radius: 1.25rem; padding: 2rem; position: relative; }
.price-card--featured { background: hsl(var(--ink)); color: hsl(var(--paper)); border-color: hsl(var(--ink)); box-shadow: 0 24px 48px -20px hsl(var(--shadow-color) / 0.45); }
.price-card__tag { position: absolute; top: -0.75rem; left: 2rem; background: hsl(var(--amber)); color: hsl(var(--ink)); font-family: var(--font-display); font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; padding: 0.3rem 0.75rem; border-radius: 999px; }
.price-card__format { font-size: 0.8125rem; color: hsl(var(--ink-faint)); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.5rem; }
.price-card--featured .price-card__format { color: hsl(var(--paper) / 0.6); }
.price-card h3 { font-size: 1.375rem; margin-bottom: 0.75rem; line-height: 1.25; }
.price-card__for { font-size: 0.9375rem; color: hsl(var(--ink-soft)); margin-bottom: 1.5rem; line-height: 1.5; }
.price-card--featured .price-card__for { color: hsl(var(--paper) / 0.72); }
.price-card__price { margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid hsl(var(--line)); }
.price-card--featured .price-card__price { border-color: hsl(var(--paper) / 0.15); }
.price-card__price .from { font-size: 0.8125rem; color: hsl(var(--ink-faint)); }
.price-card--featured .price-card__price .from { color: hsl(var(--paper) / 0.55); }
.price-card__price .amount { font-family: var(--font-display); font-size: 1.875rem; font-weight: 700; display: block; margin: 0.15rem 0; }
.price-card__price .amount .amber { color: hsl(var(--amber-deep)); }
.price-card--featured .price-card__price .amount .amber { color: hsl(var(--amber)); }
.price-card__price .monthly { font-size: 0.875rem; color: hsl(var(--ink-soft)); }
.price-card--featured .price-card__price .monthly { color: hsl(var(--paper) / 0.72); }
.price-card__list { display: grid; gap: 0.7rem; margin-bottom: 2rem; flex-grow: 1; }
.price-card__list li { font-size: 0.9375rem; display: flex; gap: 0.6rem; align-items: flex-start; line-height: 1.5; }
.price-card__list li::before { content: '—'; color: hsl(var(--amber-deep)); flex-shrink: 0; }
.price-card--featured .price-card__list li::before { color: hsl(var(--amber)); }
.pricing-note { text-align: center; font-size: 0.875rem; color: hsl(var(--ink-faint)); margin-top: 2rem; }

/* ---- Process steps --------------------------------------------------------------- */
.process-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: step; }
.process-step { position: relative; padding-top: 3.25rem; }
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  color: hsl(var(--amber-deep));
  position: absolute; top: 0; left: 0;
  width: 2.5rem; height: 2.5rem;
  border: 1px solid hsl(var(--line));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: hsl(var(--paper));
}
.process-step h3 { font-size: 1.0625rem; margin-bottom: 0.5rem; }
.process-step p { font-size: 0.9375rem; color: hsl(var(--ink-soft)); line-height: 1.55; }

/* ---- Experience / "cases coming" strip --------------------------------------------- */
.experience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.experience-card { border: 1px solid hsl(var(--line)); border-radius: 1rem; padding: 1.75rem; background: hsl(var(--paper)); }
.experience-card h3 { font-size: 1.0625rem; margin-bottom: 0.6rem; }
.experience-card p { font-size: 0.9375rem; color: hsl(var(--ink-soft)); line-height: 1.6; }
.cases-teaser { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; border: 1px dashed hsl(var(--ink) / 0.25); border-radius: 1rem; padding: 1.75rem 2rem; margin-top: 1.5rem; }
.cases-teaser p { font-size: 0.9375rem; color: hsl(var(--ink-soft)); max-width: 520px; line-height: 1.55; }
.cases-teaser strong { color: hsl(var(--ink)); }

/* ---- FAQ accordion --------------------------------------------------------------- */
.faq-list { max-width: 760px; margin: 0 auto; display: grid; gap: 0.75rem; }
.faq-item { border: 1px solid hsl(var(--line)); border-radius: 0.875rem; background: hsl(var(--paper-raised)); overflow: hidden; }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 1.5rem; background: none; border: none; text-align: left; font-family: var(--font-body); font-size: 1rem; font-weight: 600; color: hsl(var(--ink)); }
.faq-q .icon { flex-shrink: 0; width: 1.5rem; height: 1.5rem; display: flex; align-items: center; justify-content: center; transition: transform 0.25s ease; color: hsl(var(--amber-deep)); }
.faq-q[aria-expanded="true"] .icon { transform: rotate(45deg); }
.faq-a { padding: 0 1.5rem 1.25rem; font-size: 0.9375rem; color: hsl(var(--ink-soft)); line-height: 1.65; }

/* ---- Lead form ------------------------------------------------------------------- */
.form-panel { background: hsl(var(--paper-raised)); border: 1px solid hsl(var(--line)); border-radius: 1.5rem; padding: 2.5rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: 0.4rem; color: hsl(var(--ink)); }
.field .req { color: hsl(var(--amber-deep)); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 0.6rem;
  border: 1px solid hsl(var(--ink) / 0.18);
  background: hsl(var(--paper));
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: hsl(var(--ink));
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input::placeholder, .field textarea::placeholder { color: hsl(var(--ink-faint)); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: hsl(var(--amber));
  box-shadow: 0 0 0 3px hsl(var(--amber) / 0.18);
}
.field textarea { resize: vertical; min-height: 6rem; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; margin-top: 1.75rem; flex-wrap: wrap; }
.form-foot p { font-size: 0.8125rem; color: hsl(var(--ink-faint)); max-width: 320px; }
.form-success { text-align: center; padding: 2.5rem 1rem; }
.form-success .icon { width: 3.5rem; height: 3.5rem; border-radius: 50%; background: hsl(var(--amber-tint)); color: hsl(var(--amber-deep)); display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; }
.form-success h3 { font-size: 1.375rem; margin-bottom: 0.6rem; }
.form-success p { color: hsl(var(--ink-soft)); }

.contact-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 2rem; align-items: start; max-width: 1040px; margin: 0 auto; }
.contact-side { display: grid; gap: 1.25rem; align-content: start; }
.contact-card { border: 1px solid hsl(var(--line)); border-radius: 1rem; padding: 1.5rem; display: flex; gap: 1rem; align-items: flex-start; }
.contact-card__icon { flex-shrink: 0; width: 2.5rem; height: 2.5rem; border-radius: 0.6rem; background: hsl(var(--amber-tint)); color: hsl(var(--amber-deep)); display: flex; align-items: center; justify-content: center; }
.contact-card h4 { font-size: 0.9375rem; margin-bottom: 0.25rem; }
.contact-card p, .contact-card a { font-size: 0.9375rem; color: hsl(var(--ink-soft)); }
.contact-card a:hover { color: hsl(var(--amber-deep)); }

/* ---- Final CTA band ---------------------------------------------------------------- */
.cta-band { text-align: center; }
.cta-band h2 { font-size: clamp(1.75rem, 3.4vw, 2.75rem); margin-bottom: 1.25rem; max-width: 700px; margin-left: auto; margin-right: auto; }
.cta-band p { color: hsl(var(--paper) / 0.72); max-width: 520px; margin: 0 auto 2rem; font-size: 1.0625rem; }

/* ---- Footer -------------------------------------------------------------------------- */
.footer { padding: 3.5rem 0 2rem; }
.footer__top { display: flex; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.footer__brand p { font-size: 0.9375rem; color: hsl(var(--ink-soft)); max-width: 280px; margin-top: 0.75rem; }
.footer__cols { display: flex; gap: 3.5rem; flex-wrap: wrap; }
.footer__col h4 { font-size: 0.8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: hsl(var(--ink-faint)); margin-bottom: 0.9rem; }
.footer__col a, .footer__col span { display: block; font-size: 0.9375rem; color: hsl(var(--ink-soft)); margin-bottom: 0.6rem; }
.footer__col a:hover { color: hsl(var(--ink)); }
.footer__bottom { border-top: 1px solid hsl(var(--line)); padding-top: 1.5rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.8125rem; color: hsl(var(--ink-faint)); }

/* ---- Reveal-on-scroll (subtle, CSS-driven) -------------------------------------------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---- Responsive ------------------------------------------------------------------------ */
@media (max-width: 960px) {
  .nav-links, .header-cta .btn-outline { display: none; }
  .nav-toggle { display: flex; }
  .reason-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .process-row { grid-template-columns: repeat(2, 1fr); }
  .experience-grid { grid-template-columns: 1fr; }
  .solution-layout { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 3.5rem 0; }
  .reason-grid { grid-template-columns: 1fr; }
  .process-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer__top { flex-direction: column; }
  .barrier-item { padding: 1.25rem; }
  .hero { padding: 7.5rem 0 3.5rem; }
  .hero__stats { grid-template-columns: 1fr; gap: 1.5rem; }
  .form-panel { padding: 1.75rem; }
  .price-card__tag { left: 1.5rem; }
}