/* Надежный ВПН — strict navy + gold theme. Custom CSS, written from scratch. */

:root {
  --primary: #0F3460;
  --primary-dark: #0A2447;
  --primary-light: #1B4A85;
  --accent: #C9A227;
  --accent-light: #E0BC4A;
  --accent-dark: #A6841A;
  --bg: #F5F5F0;
  --bg-alt: #EAEAE0;
  --bg-deep: #0A1F38;
  --bg-deeper: #061528;
  --text: #14223A;
  --text-muted: #5A6478;
  --text-on-dark: #E8ECF3;
  --text-on-dark-muted: #9BA8BD;
  --card-bg: #FFFFFF;
  --border: #D8D8CD;
  --border-dark: #1F3552;
  --radius: 6px;
  --radius-lg: 14px;
  --shadow-sm: 0 2px 6px rgba(15, 52, 96, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 52, 96, 0.10);
  --shadow-lg: 0 18px 50px rgba(10, 31, 56, 0.18);
  --gradient-primary: linear-gradient(135deg, #0F3460 0%, #1B4A85 100%);
  --gradient-gold: linear-gradient(135deg, #C9A227 0%, #E0BC4A 100%);
  --gradient-hero: linear-gradient(160deg, #061528 0%, #0F3460 60%, #1B4A85 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Source Sans 3', -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent-dark); }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 26px;
}

/* Headings — Raleway thin/light */
h1, h2, h3, h4 {
  font-family: 'Raleway', serif;
  color: var(--text);
  font-weight: 200;
  letter-spacing: 0.5px;
}

h1 {
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: 1px;
  font-weight: 200;
}

h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
  font-weight: 200;
  letter-spacing: 0.8px;
  line-height: 1.18;
  margin-bottom: 14px;
}

h3 {
  font-size: 1.22rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  font-family: 'Raleway', serif;
}

p { margin-bottom: 14px; }

.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-dark);
  font-weight: 700;
  margin-bottom: 14px;
  font-family: 'Source Sans 3', sans-serif;
}

.section-lead {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 760px;
  margin-bottom: 46px;
}

/* ---------- Buttons (gradient) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border: none;
  border-radius: var(--radius);
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.3px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 22px rgba(15, 52, 96, 0.32);
}
.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 12px 30px rgba(15, 52, 96, 0.42);
}

.btn-gold {
  background: var(--gradient-gold);
  color: #1A1408;
  box-shadow: 0 8px 22px rgba(201, 162, 39, 0.36);
}
.btn-gold:hover {
  filter: brightness(1.06);
  transform: translateY(-2px);
  color: #1A1408;
  box-shadow: 0 12px 30px rgba(201, 162, 39, 0.50);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(15, 52, 96, 0.04);
}

.btn-light {
  background: #fff;
  color: var(--primary);
  border: 1.5px solid #fff;
}
.btn-light:hover {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

/* ---------- Header (dark) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border-dark);
  transition: box-shadow .2s ease, background .2s ease;
}
.site-header.scrolled {
  box-shadow: 0 10px 28px rgba(6, 21, 40, 0.45);
  background: var(--bg-deeper);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Raleway', sans-serif;
  font-weight: 300;
  font-size: 1.18rem;
  color: #fff;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}
.nav-logo:hover { color: var(--accent-light); }
.nav-logo img { width: 36px; height: 36px; border-radius: 6px; }
.nav-logo b {
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 9px 16px;
  border-radius: 4px;
  color: var(--text-on-dark);
  font-weight: 500;
  font-size: 0.97rem;
  letter-spacing: 0.4px;
  transition: background .18s ease, color .18s ease;
}
.nav-links a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-links a.nav-cta {
  background: var(--gradient-gold);
  color: #000000;
  font-weight: 800;
  margin-left: 12px;
  padding: 10px 22px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.nav-links a.nav-cta:hover {
  color: #000000;
  filter: brightness(1.08);
  background: var(--gradient-gold);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.burger span {
  width: 26px; height: 2px; background: #fff; transition: transform .25s, opacity .2s;
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0; right: 0;
  background: var(--bg-deeper);
  padding: 22px;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--border-dark);
  z-index: 99;
  box-shadow: 0 18px 40px rgba(0,0,0,0.4);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 14px 16px;
  color: var(--text-on-dark);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-weight: 500;
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a.mobile-cta {
  background: var(--gradient-gold);
  color: #000;
  font-weight: 800;
  border-radius: 4px;
  margin-top: 8px;
  text-align: center;
}

/* ---------- Hero (full-screen navy gradient) ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(201, 162, 39, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(27, 74, 133, 0.4) 0%, transparent 50%),
    var(--gradient-hero);
  color: var(--text-on-dark);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 920px;
  padding: 80px 0 100px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(201, 162, 39, 0.12);
  border: 1px solid rgba(201, 162, 39, 0.45);
  border-radius: 40px;
  color: var(--accent-light);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--accent-light);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-light);
}

.hero h1 {
  color: #fff;
  font-weight: 200;
  letter-spacing: 1.5px;
  margin-bottom: 26px;
}
.hero h1 .gold {
  color: var(--accent-light);
  font-weight: 300;
}

.hero-desc {
  font-size: 1.18rem;
  color: var(--text-on-dark-muted);
  max-width: 680px;
  margin-bottom: 38px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.trust-badges div {
  color: var(--text-on-dark-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 9px;
}
.trust-badges div::before {
  content: "";
  width: 5px; height: 5px;
  background: var(--accent);
  display: inline-block;
  transform: rotate(45deg);
}

/* ---------- Stats ---------- */
.stats {
  background: #fff;
  padding: 50px 0;
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-num {
  font-family: 'Raleway', serif;
  font-weight: 200;
  font-size: 2.6rem;
  color: var(--primary);
  letter-spacing: 1px;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-num span { color: var(--accent-dark); font-weight: 300; }
.stat-label {
  font-size: 0.86rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.6px;
}

/* ---------- Sections (alternating bg) ---------- */
section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }
.section-light { background: #fff; }
.section-deep { background: var(--bg-deep); color: var(--text-on-dark); }
.section-deep h2 { color: #fff; }
.section-deep .section-lead { color: var(--text-on-dark-muted); }

.section-head {
  margin-bottom: 50px;
  max-width: 780px;
}
.section-head.center { margin: 0 auto 50px; text-align: center; }

/* ---------- Features (cards with coloured border-top) ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.feature-card {
  background: #fff;
  padding: 36px 30px 32px;
  border-radius: var(--radius);
  border-top: 4px solid var(--primary);
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-card:nth-child(2) { border-top-color: var(--accent); }
.feature-card:nth-child(3) { border-top-color: #2D6A4F; }
.feature-card:nth-child(4) { border-top-color: #7B2D26; }
.feature-card:nth-child(5) { border-top-color: #1B4A85; }
.feature-card:nth-child(6) { border-top-color: #5C3A91; }

.feature-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  font-family: 'Raleway', serif;
  font-weight: 200;
  font-size: 1.7rem;
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-alt);
}
.feature-card h3 {
  margin-bottom: 10px;
  color: var(--text);
}
.feature-card p {
  font-size: 0.97rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ---------- Platforms ---------- */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.platform-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  display: flex;
  align-items: center;
  gap: 22px;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.platform-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  color: inherit;
}
.platform-icon {
  width: 54px; height: 54px;
  background: var(--gradient-primary);
  color: #fff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Raleway', serif;
  font-weight: 300;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.platform-info h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
  font-family: 'Raleway', sans-serif;
}
.platform-info span {
  color: var(--text-muted);
  font-size: 0.88rem;
  letter-spacing: 0.5px;
}

/* ---------- Why-us long text block ---------- */
.why-block {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 70px;
  align-items: start;
}
.why-block .why-text p {
  font-size: 1.04rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 18px;
}
.why-list {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}
.why-list h3 {
  margin-bottom: 22px;
  font-weight: 300;
  font-size: 1.5rem;
  color: var(--primary);
  letter-spacing: 0.6px;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 14px;
  display: inline-block;
}
.why-list ul {
  list-style: none;
}
.why-list li {
  padding: 12px 0 12px 26px;
  position: relative;
  border-bottom: 1px dashed var(--border);
  color: var(--text);
  font-size: 0.98rem;
}
.why-list li:last-child { border-bottom: none; }
.why-list li::before {
  content: "—";
  position: absolute;
  left: 0; top: 12px;
  color: var(--accent-dark);
  font-weight: 700;
}

/* ---------- Use cases ---------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.case-card {
  background: #fff;
  padding: 30px 28px;
  border-radius: var(--radius);
  border-top: 4px solid var(--accent);
  box-shadow: var(--shadow-sm);
}
.case-card:nth-child(2) { border-top-color: var(--primary); }
.case-card:nth-child(3) { border-top-color: #2D6A4F; }
.case-card:nth-child(4) { border-top-color: #7B2D26; }
.case-card:nth-child(5) { border-top-color: #1B4A85; }
.case-card:nth-child(6) { border-top-color: #5C3A91; }
.case-card h4 {
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  font-size: 1.08rem;
  margin-bottom: 10px;
  color: var(--primary);
}
.case-card p {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.7;
  margin: 0;
}

/* ---------- Price banner (horizontal) ---------- */
.price-banner {
  background: var(--gradient-hero);
  border-radius: var(--radius-lg);
  padding: 50px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.price-banner::before {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(201,162,39,0.35) 0%, transparent 70%);
  pointer-events: none;
}
.price-info {
  flex: 1;
  position: relative;
  z-index: 2;
}
.price-info .label {
  font-size: 0.82rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-light);
  font-weight: 700;
  margin-bottom: 12px;
}
.price-info .value {
  font-family: 'Raleway', serif;
  font-weight: 200;
  font-size: 2.5rem;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 8px;
  line-height: 1.1;
}
.price-info p {
  color: var(--text-on-dark-muted);
  margin: 0;
  font-size: 1rem;
  max-width: 540px;
}
.price-cta {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--bg-deep);
  color: #fff;
  text-align: center;
  padding: 80px 30px;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(201,162,39,0.15) 0%, transparent 40%),
    radial-gradient(circle at 70% 50%, rgba(27,74,133,0.4) 0%, transparent 50%);
}
.cta-banner > * { position: relative; z-index: 2; }
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p {
  color: var(--text-on-dark-muted);
  font-size: 1.1rem;
  max-width: 620px;
  margin: 0 auto 32px;
}

/* ---------- FAQ — two columns, all open ---------- */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px 30px;
  box-shadow: var(--shadow-sm);
}
.faq-item:nth-child(even) {
  border-left-color: var(--primary);
}
.faq-item h3 {
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary);
  letter-spacing: 0.3px;
  font-family: 'Raleway', sans-serif;
}
.faq-item p {
  color: var(--text);
  font-size: 0.97rem;
  line-height: 1.75;
  margin: 0;
}

/* ---------- Footer (4 dark columns) ---------- */
.site-footer {
  background: var(--bg-deeper);
  color: var(--text-on-dark-muted);
  padding: 70px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}
.footer-col h4 {
  color: #fff;
  font-family: 'Raleway', sans-serif;
  font-weight: 400;
  font-size: 0.9rem;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: var(--text-on-dark-muted);
  font-size: 0.94rem;
  transition: color .15s ease;
}
.footer-col a:hover { color: var(--accent-light); }
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  font-family: 'Raleway', sans-serif;
  font-weight: 300;
  font-size: 1.2rem;
  color: #fff;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}
.footer-brand img { width: 44px; height: 44px; border-radius: 6px; }
.footer-brand b { color: var(--accent-light); font-weight: 600; }
.footer-about {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-on-dark-muted);
}
.footer-about .small-eng {
  display: block;
  font-size: 0.78rem;
  color: rgba(155, 168, 189, 0.6);
  margin-top: 12px;
  letter-spacing: 0.4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.85rem;
  color: rgba(155, 168, 189, 0.7);
  letter-spacing: 0.3px;
}

/* ---------- Instruktsiya page ---------- */
.guide-hero {
  background: var(--gradient-hero);
  color: #fff;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}
.guide-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(201,162,39,0.18) 0%, transparent 55%);
}
.guide-hero > * { position: relative; z-index: 2; }
.guide-hero h1 {
  color: #fff;
  margin-bottom: 18px;
  font-weight: 200;
  letter-spacing: 1.5px;
}
.guide-hero h1 .gold { color: var(--accent-light); font-weight: 300; }
.guide-hero p {
  font-size: 1.15rem;
  color: var(--text-on-dark-muted);
  max-width: 700px;
  margin: 0;
}

.steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.step-card {
  background: #fff;
  padding: 44px 38px;
  border-radius: var(--radius);
  border-top: 4px solid var(--primary);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.step-card:nth-child(2) { border-top-color: var(--accent); }
.step-num {
  position: absolute;
  top: -22px; left: 38px;
  background: var(--gradient-gold);
  color: #1A1408;
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem;
  box-shadow: 0 6px 18px rgba(201, 162, 39, 0.45);
}
.step-card h3 {
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 14px;
  color: var(--primary);
  letter-spacing: 0.4px;
  margin-top: 14px;
}
.step-card p {
  color: var(--text);
  font-size: 0.99rem;
  line-height: 1.75;
}
.step-card .step-cta {
  display: inline-flex;
  margin-top: 16px;
}

.guide-tips {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 22px;
}
.tip-card {
  background: #fff;
  border: 1px solid var(--border);
  padding: 28px;
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}
.tip-card:nth-child(2) { border-left-color: var(--primary); }
.tip-card:nth-child(3) { border-left-color: #2D6A4F; }
.tip-card h4 {
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 1.05rem;
}
.tip-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- Animations (fade-up) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .features-grid, .platforms-grid, .cases-grid, .guide-tips { grid-template-columns: repeat(2, 1fr); }
  .why-block { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .price-banner { flex-direction: column; align-items: flex-start; padding: 40px; }
  .faq-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { padding: 0 18px; }
  section { padding: 64px 0; }
  .nav-links { display: none; }
  .burger { display: flex; }
  .features-grid, .platforms-grid, .cases-grid, .guide-tips, .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero { min-height: auto; padding-bottom: 40px; }
  .hero-content { padding: 60px 0 70px; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .price-banner { padding: 32px 24px; }
  .price-info .value { font-size: 1.9rem; }
  .stat-num { font-size: 2.2rem; }
  .why-list { padding: 26px; }
  .step-card { padding: 36px 26px; }
}