:root {
  --ink: #111111;
  --ink-soft: #ececec;
  --surface: #ffffff;
  --surface-soft: #f6f6f6;
  --line: #dcdcdc;
  --dark: #0c0c0c;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
}

h1, h2, h3 {
  font-family: "Montserrat", "Segoe UI", sans-serif;
  margin: 0;
  letter-spacing: -0.02em;
}

a { color: inherit; text-decoration: none; }

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  height: 78px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 0 28px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(7px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.brand img {
  width: 136px;
  height: 52px;
  object-fit: contain;
  filter: contrast(1.08) saturate(1.08);
}

.nav {
  justify-self: center;
  display: flex;
  gap: 24px;
}

.nav a {
  font-size: 0.96rem;
  font-weight: 700;
  color: #222;
}

.right-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid #cfcfcf;
  border-radius: 999px;
  padding: 3px;
  background: #fff;
}

.lang-switch a {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  color: #333;
}

.lang-switch a.active {
  background: #111;
  color: #fff;
}

.menu-toggle {
  display: none;
  border: 1px solid #cbcbcb;
  background: #fff;
  border-radius: 10px;
  padding: 8px 10px;
  font: inherit;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 170px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 700;
  transition: opacity 0.2s ease;
}

.btn:hover { opacity: 0.86; }

.btn-outline {
  border-color: #bbb;
  background: rgba(255, 255, 255, 0.92);
}

.btn-white {
  background: #fff;
  color: #111;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff;
  background: transparent;
}

.btn-dark {
  background: #111;
  color: #fff;
}

.snap {
  scroll-snap-type: y mandatory;
}

.panel {
  position: relative;
  min-height: 100vh;
  scroll-snap-align: start;
  padding: 118px 24px 38px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.panel-dark {
  color: #fff;
  background: #101010;
}

.panel-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.panel-dark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.56) 0%,
    rgba(0, 0, 0, 0.42) 40%,
    rgba(0, 0, 0, 0.6) 100%
  );
  z-index: 1;
}

.panel-hero-main {
  overflow: hidden;
}

.panel-hero-main::before {
  background-position: center 72%;
}

.panel-hero-main::after {
  background: linear-gradient(
    180deg,
    rgba(3, 10, 16, 0.84) 0%,
    rgba(3, 10, 16, 0.7) 26%,
    rgba(0, 0, 0, 0.58) 55%,
    rgba(0, 0, 0, 0.72) 100%
  );
}

.panel-hero-main .panel-content.center {
  margin-top: 10vh;
}

.panel-modules-qr {
  overflow: hidden;
}

.panel-modules-qr::before {
  background-position: center center;
}

.panel-modules-qr::after {
  background: linear-gradient(
    180deg,
    rgba(4, 11, 18, 0.78) 0%,
    rgba(4, 11, 18, 0.64) 35%,
    rgba(0, 0, 0, 0.62) 100%
  );
}

.panel-light {
  background: var(--surface-soft);
  color: #111;
}

.panel-content,
.panel-actions,
.feature-inline,
.cards {
  position: relative;
  z-index: 2;
}

.panel-content {
  width: min(980px, 92vw);
  text-align: center;
}

.panel-content.center {
  margin-top: 7vh;
}

.panel-content.top {
  margin-top: 2vh;
}

.overline {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.2rem, 5.5vw, 4.5rem);
  line-height: 1.04;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3.1rem);
}

.lead {
  margin: 12px auto 0;
  max-width: 64ch;
  font-size: clamp(1.02rem, 1.55vw, 1.28rem);
  color: var(--ink-soft);
}

.lead.dark { color: #333; }

.panel-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3vh;
}

.static-actions {
  margin-top: 18px;
  margin-bottom: 7vh;
}

.feature-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 7vh;
}

.feature-inline span {
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.25);
  font-size: 0.92rem;
  font-weight: 600;
}

.cards {
  width: min(1380px, 96vw);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 18px;
  padding: 20px;
  text-align: left;
}

.card.highlighted {
  border-color: #111;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.09);
}

.card h3 {
  font-size: 1.45rem;
  margin-bottom: 2px;
}

.card p {
  margin: 0 0 12px;
  color: #545454;
  font-weight: 600;
}

.card ul {
  margin: 0;
  padding-left: 18px;
  color: #303030;
}

.card li { margin-bottom: 6px; }

.plan-subtitle {
  margin: 0 0 6px;
  color: #545454;
  font-weight: 700;
  font-size: 0.95rem;
}

.plan-price {
  margin: 0;
  color: #111;
  font-family: "Montserrat", "Segoe UI", sans-serif;
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.plan-price span {
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color: #666;
  font-size: 0.96rem;
  font-weight: 700;
}

.plan-alt {
  margin: 4px 0 10px;
  color: #5a5a5a;
  font-size: 0.9rem;
  font-weight: 600;
}

.plan-note {
  margin: 8px 0 12px;
  color: #3e3e3e;
  font-size: 0.92rem;
  font-weight: 700;
}

.plan-features {
  margin: 0;
  padding-left: 18px;
  color: #303030;
}

.plan-fit {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed #dfdfdf;
  display: grid;
  gap: 10px;
}

.fit-block {
  display: grid;
  gap: 6px;
}

.fit-title {
  color: #5f5f5f;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.fit-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.fit-tags span {
  display: inline-flex;
  align-items: center;
  border: 1px solid #d7d7d7;
  background: #fafafa;
  color: #2f2f2f;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.2;
}

.plan-footer {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid #ececec;
  color: #4b4b4b;
  font-size: 0.86rem;
  font-weight: 700;
}

.keyword-grid {
  width: min(1120px, 96vw);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 16px;
}

.keyword-grid span {
  border: 1px solid #cfcfcf;
  background: #fff;
  color: #222;
  border-radius: 999px;
  padding: 8px 13px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.panel-seo-copy .panel-content {
  max-width: 84ch;
}

.faq-wrap {
  width: min(920px, 92vw);
  display: grid;
  gap: 10px;
  margin-bottom: 8vh;
  position: relative;
  z-index: 2;
}

.faq-item {
  border: 1px solid #d4d4d4;
  border-radius: 14px;
  background: #fff;
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 15px 18px;
  font-weight: 700;
  font-size: 1rem;
  color: #1b1b1b;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 0;
  padding: 0 18px 16px;
  color: #3a3a3a;
  font-size: 0.98rem;
  line-height: 1.5;
}

.panel-video {
  overflow: hidden;
}

.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.dark-content h2,
.dark-content p {
  color: #111;
}

@media (max-width: 1020px) {
  .topbar {
    grid-template-columns: auto auto 1fr auto;
    padding: 0 14px;
    gap: 10px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid #dedede;
    padding: 12px 14px;
    flex-direction: column;
    gap: 10px;
    z-index: 40;
  }

  .nav.open { display: flex; }

  .cards {
    grid-template-columns: 1fr;
    width: min(700px, 92vw);
  }

  .keyword-grid {
    width: min(700px, 92vw);
  }

  .right-actions .btn-outline {
    display: none;
  }

  .panel-hero-main::before {
    background-position: 46% 66%;
  }

  .panel-modules-qr::before {
    background-position: 56% center;
  }
}

@media (max-width: 1380px) and (min-width: 1021px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(980px, 94vw);
  }
}

@media (max-width: 640px) {
  .panel {
    padding-top: 106px;
  }

  .btn {
    min-width: 150px;
    height: 40px;
    font-size: 0.9rem;
  }

  .brand img {
    width: 112px;
    height: 44px;
  }

  .lang-switch a {
    padding: 5px 8px;
  }

  .panel-hero-main .panel-content.center {
    margin-top: 7vh;
  }

  .panel-hero-main::before {
    background-position: 42% 61%;
  }

  .panel-modules-qr::before {
    background-position: 64% center;
  }
}