:root {
  --bg: #06100b;
  --bg-deep: #020604;
  --bg-soft: #0a1710;
  --panel: rgba(12, 24, 17, .82);
  --panel-strong: rgba(18, 34, 24, .96);
  --line: rgba(185, 255, 56, .18);
  --line-soft: rgba(255, 255, 255, .1);
  --text: #f3f8f0;
  --muted: #aeb8aa;
  --green: #b9ff38;
  --green-2: #62e35f;
  --white: #fff;
  --danger: #ff6969;
  --radius: 8px;
  --container: min(1180px, calc(100% - 48px));
  --shadow: 0 24px 80px rgba(0, 0, 0, .4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(185, 255, 56, .13), transparent 34rem),
    radial-gradient(circle at 84% 18%, rgba(98, 227, 95, .1), transparent 28rem),
    linear-gradient(180deg, #08130d 0%, var(--bg-deep) 38%, #07120c 100%);
  font-family: Manrope, Arial, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .28;
  background-image:
    linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, #000, transparent 78%);
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
p { margin: 0; }
h1, h2, h3 {
  margin: 0;
  color: var(--white);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: 0;
}
h1 { font-size: clamp(38px, 4.8vw, 68px); max-width: 880px; }
h2 { font-size: clamp(34px, 4.6vw, 66px); max-width: 860px; }
h3 { font-size: clamp(20px, 2vw, 28px); line-height: 1.16; }
ul { margin: 0; padding: 0; list-style: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  width: var(--container);
  min-height: 78px;
  margin: 0 auto;
  color: var(--white);
  transition: min-height .24s ease, background .24s ease, border-color .24s ease, box-shadow .24s ease;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 8px -18px;
  z-index: -1;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: inherit;
}

.site-header.is-scrolled::before,
.site-header.is-open::before {
  border-color: var(--line-soft);
  background: rgba(4, 10, 7, .86);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .28);
  backdrop-filter: blur(18px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  text-transform: uppercase;
}


.logo-brand {
  flex-shrink: 0;
  gap: 0;
  text-transform: none;
}

.logo-brand img {
  display: block;
  width: clamp(132px, 12vw, 172px);
  height: auto;
  filter: drop-shadow(0 0 14px rgba(185, 255, 56, .18));
}

.footer-brand.logo-brand img {
  width: clamp(150px, 16vw, 210px);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  aspect-ratio: 1;
  border: 1px solid rgba(185, 255, 56, .5);
  border-radius: var(--radius);
  color: #07110c;
  background: var(--green);
  box-shadow: 0 0 26px rgba(185, 255, 56, .36);
  font-weight: 900;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2.4vw, 38px);
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.main-nav a,
.site-footer nav a {
  transition: color .2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.site-footer nav a:hover,
.site-footer nav a:focus-visible {
  color: var(--green);
}

.header-cta {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}

.header-cta:hover,
.header-cta:focus-visible {
  background: rgba(185, 255, 56, .1);
  box-shadow: 0 0 24px rgba(185, 255, 56, .15);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  color: var(--white);
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.section,
.section-dark {
  position: relative;
  padding: clamp(72px, 9vw, 124px) 0;
}

.hero {
  min-height: calc(100vh - 78px);
  display: grid;
  align-items: center;
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(42px, 5vw, 64px);
}

.hero::after,
.tariffs::before,
.vip::before {
  content: "";
  position: absolute;
  inset: auto 8% 8% auto;
  width: min(420px, 64vw);
  aspect-ratio: 1;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(185, 255, 56, .18), transparent 66%);
  filter: blur(18px);
  pointer-events: none;
}

.hero-shell,
.section-head,
.card-grid,
.format-grid,
.tariff-group,
.tech-grid,
.vip-shell,
.vip-grid,
.final-cta,
.site-footer {
  width: var(--container);
  margin: 0 auto;
}

.hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, .7fr);
  gap: clamp(24px, 4.4vw, 58px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-lead {
  max-width: 720px;
  margin-top: 18px;
  color: #dbe4d7;
  font-size: clamp(16px, 1.18vw, 19px);
}

.hero-price {
  display: grid;
  gap: 2px;
  width: fit-content;
  margin-top: 20px;
}

.hero-price span {
  color: #ff5f5f;
  font-size: 15px;
  font-weight: 800;
  text-decoration: line-through;
  text-decoration-color: rgba(255, 95, 95, .9);
}

.hero-price strong {
  color: var(--green);
  font-size: clamp(32px, 3.3vw, 48px);
  line-height: 1;
  text-shadow: 0 0 24px rgba(185, 255, 56, .2);
}

.hero-actions,
.lead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 900;
  line-height: 1.15;
  text-align: center;
  text-transform: uppercase;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: #06100b;
  background: var(--green);
  box-shadow: 0 0 28px rgba(185, 255, 56, .28);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #cdff61;
  box-shadow: 0 0 38px rgba(185, 255, 56, .42);
}

.btn-secondary {
  color: var(--white);
  border-color: var(--line);
  background: rgba(255, 255, 255, .035);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(185, 255, 56, .5);
  background: rgba(185, 255, 56, .08);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.hero-points div,
.info-card,
.format-card,
.step-card,
.tech-card,
.vip-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel);
  transition: transform .24s ease, border-color .24s ease, background .24s ease, box-shadow .24s ease;
}

.hero-points div {
  min-height: 96px;
  padding: 14px;
}

.hero-points strong {
  display: block;
  color: var(--white);
  font-size: 16px;
}

.hero-points span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.hero-points div:hover,
.info-card:hover,
.format-card:hover,
.step-card:hover,
.tech-card:hover,
.vip-card:hover {
  border-color: rgba(185, 255, 56, .55);
  background: rgba(18, 34, 24, .98);
  box-shadow: 0 0 34px rgba(185, 255, 56, .12);
  transform: translateY(-4px);
}

.hero-mockup {
  perspective: 1200px;
}

.browser-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(185, 255, 56, .28);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(185, 255, 56, .11), transparent 34%),
    rgba(5, 12, 8, .94);
  box-shadow: var(--shadow), 0 0 58px rgba(185, 255, 56, .12);
  transform: rotateY(var(--tilt-y, -7deg)) rotateX(var(--tilt-x, 3deg)) translateY(var(--tilt-lift, 0)) scale(var(--tilt-scale, 1));
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform .18s ease-out, box-shadow .45s ease, border-color .45s ease;
}

.hero-mockup:hover .browser-card,
.hero-mockup:focus-within .browser-card {
  --tilt-lift: -6px;
  --tilt-scale: 1.015;
  border-color: rgba(185, 255, 56, .46);
  box-shadow: var(--shadow), 0 0 76px rgba(185, 255, 56, .2);
}

.browser-top {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line-soft);
}

.browser-top span {
  width: 10px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(255, 255, 255, .32);
}

.browser-top span:first-child { background: var(--green); }
.browser-top em {
  margin-left: 8px;
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.browser-grid {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 3vw, 28px);
}

.mock-copy {
  display: grid;
  gap: 10px;
  min-height: 176px;
  align-content: end;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(185, 255, 56, .2), transparent 42%),
    rgba(255, 255, 255, .04);
}

.mock-copy small,
.card-label,
.tariff-card span {
  color: var(--green);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.mock-copy strong {
  max-width: 330px;
  color: var(--white);
  font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.05;
}

.mock-copy p,
.mock-form,
.mock-metrics span {
  color: var(--muted);
}

.mock-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
}

.mock-form span,
.mock-form button {
  min-height: 44px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .06);
}

.mock-form button {
  padding: 0 16px;
  color: #07110c;
  background: var(--green);
  font-size: 12px;
  font-weight: 900;
}

.mock-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.mock-metrics div {
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .04);
}

.mock-metrics b {
  display: block;
  color: var(--green);
  font-size: 24px;
  line-height: 1;
}

.section-head {
  margin-bottom: clamp(28px, 4vw, 46px);
}

.split-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
}

.split-head > p {
  color: var(--muted);
  font-size: 17px;
}

.card-grid,
.format-grid,
.tech-grid,
.vip-grid {
  display: grid;
  gap: 16px;
}

.four-grid,
.format-grid,
.tech-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card,
.format-card,
.step-card,
.tech-card,
.vip-card {
  min-height: 100%;
  padding: clamp(20px, 2.5vw, 28px);
}

.info-card h3,
.format-card h3,
.step-card h3,
.tech-card h3,
.vip-card h3 {
  margin-top: 16px;
}

.info-card p,
.format-card p:not(.card-label),
.step-card p,
.tech-card p,
.vip-card p,
.tariff-intro p,
.lead-copy p,
.site-footer p {
  margin-top: 14px;
  color: var(--muted);
}

.dot {
  display: block;
  width: 10px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px rgba(185, 255, 56, .52);
}

.mini-browser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  min-height: 154px;
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .08) 0 28px, transparent 28px),
    rgba(4, 10, 7, .62);
}

.mini-browser span,
.mini-browser b,
.mini-browser i {
  display: block;
  border-radius: 6px;
  background: rgba(255, 255, 255, .08);
}

.mini-browser span {
  grid-column: 1 / -1;
  height: 56px;
  margin-top: 22px;
  background: linear-gradient(90deg, rgba(185, 255, 56, .38), rgba(255, 255, 255, .08));
}

.mini-browser i { height: 44px; }
.mini-browser b {
  grid-column: 1 / -1;
  height: 16px;
  background: rgba(185, 255, 56, .28);
}

.tariffs {
  background: linear-gradient(180deg, rgba(185, 255, 56, .04), transparent 34%);
}

.tariff-group {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
  margin-top: 18px;
}

.tariff-intro {
  padding: 26px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .035);
}

.tariff-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.tariff-card {
  display: grid;
  gap: 14px;
  align-content: start;
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  color: var(--text);
  background: var(--panel);
  text-align: left;
  transition: transform .24s ease, border-color .24s ease, background .24s ease, box-shadow .24s ease;
}

.tariff-card:hover,
.tariff-card:focus-visible {
  border-color: rgba(185, 255, 56, .58);
  background: rgba(18, 34, 24, .98);
  box-shadow: 0 0 38px rgba(185, 255, 56, .14);
  transform: translateY(-4px);
}

.tariff-card.is-featured {
  border-color: rgba(185, 255, 56, .44);
  background:
    linear-gradient(135deg, rgba(185, 255, 56, .13), transparent 46%),
    var(--panel-strong);
}

.tariff-card strong {
  min-height: 62px;
  color: var(--white);
  font-size: clamp(21px, 2vw, 28px);
  line-height: 1.12;
}

.tariff-card b {
  color: var(--green);
  font-size: clamp(28px, 2.8vw, 42px);
  line-height: 1;
}

.tariff-card li,
.vip-card li {
  position: relative;
  padding-left: 16px;
  color: var(--muted);
  font-size: 14px;
}

.tariff-card li + li,
.vip-card li + li { margin-top: 8px; }
.tariff-card li::before,
.vip-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.step-card span {
  color: var(--green);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.implementation {
  background: rgba(255, 255, 255, .025);
}

.tech-card {
  min-height: 230px;
}

.vip {
  overflow: hidden;
}

.vip-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: stretch;
}

.vip-copy,
.vip-price {
  border: 1px solid rgba(185, 255, 56, .26);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(185, 255, 56, .12), transparent 42%),
    rgba(12, 24, 17, .9);
  box-shadow: 0 0 48px rgba(185, 255, 56, .08);
}

.vip-copy { padding: clamp(28px, 5vw, 46px); }
.vip-price {
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 30px;
}

.vip-price span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.vip-price strong {
  color: var(--green);
  font-size: 42px;
  line-height: 1;
}

.vip-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.faq-list {
  width: min(900px, calc(100% - 48px));
  margin: 0 auto;
}

details {
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
}

summary {
  min-height: 76px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  color: var(--white);
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: 800;
  line-height: 1.15;
}

summary::after {
  content: "+";
  color: var(--green);
  font-size: 30px;
}

details[open] summary::after { content: "-"; }

details p {
  max-width: 760px;
  padding: 0 0 24px;
  color: var(--muted);
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, .58fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: start;
  padding: clamp(36px, 6vw, 62px);
  border: 1px solid rgba(185, 255, 56, .22);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(185, 255, 56, .12), transparent 46%),
    rgba(10, 23, 16, .9);
}

.lead-form {
  display: grid;
  gap: 14px;
}

.lead-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  min-height: 56px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  color: var(--white);
  background: rgba(255, 255, 255, .055);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.lead-form textarea {
  min-height: 126px;
  resize: vertical;
}

.lead-form input:focus,
.lead-form textarea:focus {
  border-color: rgba(185, 255, 56, .6);
  background: rgba(255, 255, 255, .075);
  box-shadow: 0 0 0 3px rgba(185, 255, 56, .1);
}

.lead-form .is-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(255, 105, 105, .1);
}

.agree {
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 10px;
  text-transform: none !important;
  font-weight: 600 !important;
}

.agree input {
  width: 18px;
  min-height: 18px;
  margin-top: 2px;
  accent-color: var(--green);
}

.hidden-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  min-height: 22px;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
}

.form-status.is-error {
  color: var(--danger);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(220px, .4fr);
  gap: 28px;
  align-items: start;
  padding: 36px 0 42px;
  border-top: 1px solid var(--line-soft);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.footer-contact {
  text-align: right;
}

.footer-contact a {
  color: var(--green);
  font-weight: 900;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .68s ease, transform .68s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .18s; }
.delay-3 { transition-delay: .26s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}

@media (max-width: 1180px) {
  :root { --container: min(100% - 36px, 1040px); }
  .hero-shell,
  .final-cta {
    grid-template-columns: 1fr;
  }
  .hero-mockup {
    max-width: 640px;
  }
  .four-grid,
  .format-grid,
  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tariff-group {
    grid-template-columns: 1fr;
  }
  .tariff-intro {
    display: grid;
    grid-template-columns: minmax(180px, .32fr) 1fr;
    gap: 18px;
    align-items: end;
  }
}

@media (min-width: 1181px) and (max-height: 820px) {
  .site-header {
    min-height: 68px;
  }
  h1 {
    font-size: clamp(36px, 4.35vw, 62px);
    max-width: 820px;
  }
  .hero {
    min-height: calc(100vh - 68px);
    padding-top: 18px;
    padding-bottom: 34px;
  }
  .eyebrow {
    margin-bottom: 10px;
  }
  .hero-lead {
    max-width: 660px;
    margin-top: 14px;
    font-size: 16px;
  }
  .hero-price,
  .hero-actions,
  .hero-points {
    margin-top: 18px;
  }
  .hero-price strong {
    font-size: 40px;
  }
  .hero-points div {
    min-height: 86px;
    padding: 12px;
  }
  .browser-top {
    min-height: 42px;
  }
  .browser-grid {
    gap: 12px;
    padding: 20px;
  }
  .mock-copy {
    min-height: 150px;
    padding: 18px;
  }
  .mock-copy strong {
    font-size: 28px;
  }
  .mock-copy p {
    font-size: 14px;
  }
  .mock-form span,
  .mock-form button {
    min-height: 40px;
  }
  .mock-metrics div {
    padding: 12px;
  }
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }
  .main-nav {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    background: rgba(4, 10, 7, .96);
    box-shadow: var(--shadow);
  }
  .main-nav.is-open {
    display: flex;
  }
  .main-nav a {
    padding: 14px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }
  .main-nav a:last-child {
    border-bottom: 0;
  }
  .header-cta {
    display: none;
  }
  .nav-toggle {
    display: block;
    justify-self: end;
  }
  .split-head,
  .vip-shell,
  .site-footer {
    grid-template-columns: 1fr;
  }
  .vip-grid,
  .tariff-cards {
    grid-template-columns: 1fr;
  }
  .tariff-card strong {
    min-height: 0;
  }
  .footer-contact {
    text-align: left;
  }
}

@media (max-width: 640px) {
  :root { --container: calc(100% - 28px); }
  .site-header {
    min-height: 68px;
  }
  h1 {
    font-size: clamp(34px, 12vw, 48px);
  }
  h2 {
    font-size: clamp(30px, 10vw, 42px);
  }
  .section,
  .section-dark {
    padding: 58px 0;
  }
  .hero {
    min-height: auto;
    padding-top: 44px;
  }
  .hero-actions .btn,
  .lead-actions .btn,
  .lead-form .btn,
  .vip-price .btn {
    width: 100%;
  }
  .hero-points,
  .four-grid,
  .format-grid,
  .tech-grid {
    grid-template-columns: 1fr;
  }
  .browser-card,
  .hero-mockup:hover .browser-card,
  .hero-mockup:focus-within .browser-card {
    --tilt-x: 0deg;
    --tilt-y: 0deg;
    --tilt-lift: 0;
    --tilt-scale: 1;
    transform: none;
  }
  .mock-form,
  .mock-metrics {
    grid-template-columns: 1fr;
  }
  .tariff-intro {
    grid-template-columns: 1fr;
  }
  .final-cta {
    padding: 24px;
  }
  summary {
    min-height: 64px;
    font-size: 19px;
  }
}