/* =========================================
   AMPRO LIVE 16 PLUS
========================================= */

:root {
  --bg: #ffffff;
  --bg-soft: #f5f6f7;
  --bg-dark: #101113;

  --text: #18191b;
  --text-soft: #6a6e74;
  --text-dark-soft: #b8bcc3;

  --border: #e4e6e8;
  --border-dark: #2c2f34;

  --accent: #e72b30;

  --warning-bg: #fff6e8;
  --warning-border: #efb455;
  --warning-text: #744800;

  --success-bg: #eef8f1;
  --success-border: #bedfc7;
  --success-text: #245e34;

  --radius: 15px;
  --radius-small: 9px;

  --container: 1120px;
  --content: 940px;

  --shadow:
    0 10px 30px rgba(0, 0, 0, 0.07);
}


/* =========================================
   RESET
========================================= */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;

  background: var(--bg);
  color: var(--text);

  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Helvetica,
    Arial,
    sans-serif;

  font-size: 16px;
  line-height: 1.55;

  -webkit-font-smoothing: antialiased;
}

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

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

strong {
  font-weight: 700;
}

code {
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    monospace;
}


/* =========================================
   GENERAL
========================================= */

.container {
  width: min(calc(100% - 36px), var(--container));
  margin: 0 auto;
}

.content-width {
  max-width: var(--content);
}

.section {
  padding: 58px 0;
}

.section-soft {
  background: var(--bg-soft);
}

.section-dark {
  background: var(--bg-dark);
  color: #ffffff;
}

.section-kicker {
  margin: 0 0 4px;

  color: var(--accent);

  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}


/* =========================================
   HEADER
========================================= */

.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 72px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 24px;
}

.brand-logo {
  width: auto;
  height: 39px;
}

.header-product {
  display: flex;
  flex-direction: column;
  align-items: flex-end;

  line-height: 1.15;
}

.header-product span {
  margin-bottom: 4px;

  color: var(--text-soft);

  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-product strong {
  font-size: 15px;
}


/* =========================================
   HERO
========================================= */

.hero {
  background:
    radial-gradient(
      circle at 85% 0%,
      rgba(231, 43, 48, 0.10),
      transparent 33%
    ),
    linear-gradient(
      180deg,
      #fafafa 0%,
      #ffffff 100%
    );

  border-bottom: 1px solid var(--border);
}

.hero-inner {
  padding-top: 62px;
  padding-bottom: 64px;

  text-align: center;
}

.eyebrow {
  display: inline-flex;

  margin-bottom: 17px;
  padding: 5px 11px;

  background: #f0f1f2;
  border-radius: 999px;

  color: #555960;

  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;

  font-size: clamp(45px, 7vw, 68px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.hero-subtitle {
  margin: 11px 0 0;

  color: var(--accent);

  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
}

.hero-description {
  max-width: 620px;

  margin: 17px auto 0;

  color: var(--text-soft);

  font-size: 16px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;

  gap: 7px;
  margin-top: 20px;
}

.hero-badges span {
  padding: 6px 10px;

  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 999px;

  color: #5b5f64;

  font-size: 11px;
  font-weight: 700;
}


/* =========================================
   SECTION HEADING
========================================= */

.section-heading {
  display: flex;
  align-items: flex-start;

  gap: 14px;
  margin-bottom: 30px;
}

.section-number {
  display: flex;

  width: 38px;
  height: 38px;
  flex: 0 0 38px;

  align-items: center;
  justify-content: center;

  background: #17181a;
  border-radius: 50%;

  color: #ffffff;

  font-size: 10px;
  font-weight: 800;
}

.section-heading h2 {
  margin: 0;

  font-size: clamp(27px, 4vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-heading-light .section-number {
  background: #ffffff;
  color: #111214;
}


/* =========================================
   REQUIREMENTS
========================================= */

.requirements {
  display: grid;

  grid-template-columns:
    1.2fr
    0.8fr
    1fr;

  gap: 12px;
}

.requirement {
  min-width: 0;

  padding: 20px;

  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.requirement-number {
  display: inline-flex;

  width: 27px;
  height: 27px;

  align-items: center;
  justify-content: center;

  margin-bottom: 13px;

  background: var(--bg-soft);
  border-radius: 50%;

  color: var(--text-soft);

  font-size: 11px;
  font-weight: 800;
}

.requirement strong {
  display: block;
  margin-bottom: 5px;
}

.requirement p {
  margin: 0;

  color: var(--text-soft);
  font-size: 13px;
}

.requirement-download {
  border-color: #efc3c5;
}


/* =========================================
   CONSOLE CARD
========================================= */

.requirement-console {
  display: grid;

  grid-template-columns: 125px 1fr;

  gap: 17px;

  align-items: center;
}

.requirement-image img {
  width: 125px;
  max-height: 115px;

  object-fit: contain;
  object-position: center;

  margin: 0 auto;
}

.requirement-console .requirement-number {
  margin-bottom: 8px;
}


/* =========================================
   DOWNLOAD
========================================= */

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  gap: 8px;

  margin-top: 14px;
  padding: 9px 13px;

  background: var(--accent);
  border-radius: 7px;

  color: #ffffff;

  font-size: 12px;
  font-weight: 800;

  transition:
    transform 0.15s ease,
    opacity 0.15s ease;
}

.download-button:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.download-icon {
  font-size: 16px;
}


/* =========================================
   USB SETUP
========================================= */

.usb-setup {
  display: grid;

  grid-template-columns:
    minmax(0, 1.25fr)
    minmax(270px, 0.75fr);

  gap: 26px;

  margin-top: 24px;
  padding: 26px;

  background: #f7f7f8;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.usb-setup-content h3 {
  margin: 0 0 8px;

  font-size: 23px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.usb-setup-content > p:not(.section-kicker) {
  margin: 0;

  color: var(--text-soft);
  font-size: 14px;
}

.usb-rules {
  display: grid;

  gap: 8px;
  margin-top: 17px;
}

.usb-rule {
  display: grid;

  grid-template-columns: 28px 1fr;

  gap: 10px;

  padding: 13px;

  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 9px;
}

.usb-rule-number {
  display: flex;

  width: 25px;
  height: 25px;

  align-items: center;
  justify-content: center;

  background: #191a1c;
  border-radius: 50%;

  color: #ffffff;

  font-size: 10px;
  font-weight: 800;
}

.usb-rule strong {
  display: block;
  margin-bottom: 3px;

  font-size: 14px;
}

.usb-rule p {
  margin: 0;

  color: var(--text-soft);
  font-size: 12.5px;
}

.usb-rule code {
  padding: 2px 4px;

  background: #f0f1f2;
  border-radius: 4px;

  color: #222;
  font-size: 12px;
  font-weight: 700;
}

.usb-image {
  margin: 0;

  align-self: center;
}

.usb-image img {
  width: 100%;
  max-height: 320px;

  object-fit: contain;

  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 10px;

  box-shadow: var(--shadow);
}

.usb-image figcaption {
  margin-top: 7px;

  color: var(--text-soft);

  font-size: 11px;
  line-height: 1.4;
}


/* =========================================
   STATUS BOXES
========================================= */

.success-box,
.warning-box {
  display: flex;
  align-items: flex-start;

  gap: 13px;

  margin-top: 16px;
  padding: 15px 17px;

  border-radius: var(--radius-small);

  font-size: 13px;
}

.success-box {
  background: var(--success-bg);
  border: 1px solid var(--success-border);

  color: var(--success-text);
}

.warning-box {
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);

  color: var(--warning-text);
}

.status-icon {
  display: flex;

  width: 25px;
  height: 25px;
  flex: 0 0 25px;

  align-items: center;
  justify-content: center;

  border-radius: 50%;

  background: currentColor;

  color: #ffffff;

  font-size: 12px;
  font-weight: 900;
}

.success-box strong,
.warning-box strong {
  display: block;
  margin-bottom: 2px;

  font-size: 13px;
}

.success-box p,
.warning-box p {
  margin: 0;
}


/* =========================================
   TEXT STEPS
========================================= */

.text-steps {
  display: grid;
  gap: 10px;
}

.compact-steps {
  grid-template-columns: repeat(3, 1fr);
}

.text-step {
  min-width: 0;

  padding: 18px;

  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.step-badge {
  display: inline-flex;

  width: max-content;

  padding: 4px 8px;

  background: var(--accent);
  border-radius: 5px;

  color: #ffffff;

  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.text-step .step-badge {
  margin-bottom: 11px;
}

.text-step h3,
.visual-step h3 {
  margin: 0 0 7px;

  font-size: 19px;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.text-step p {
  margin: 0;

  color: var(--text-soft);
  font-size: 13px;
}


/* =========================================
   PASSWORD
========================================= */

.single-password {
  display: inline-block;

  margin-top: 11px;
  padding: 8px 12px;

  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 7px;
}

.single-password code {
  color: var(--text);

  font-size: 17px;
  font-weight: 800;
}


/* =========================================
   VISUAL STEPS
========================================= */

.visual-step {
  display: grid;

  grid-template-columns:
    minmax(220px, 0.75fr)
    minmax(0, 1.25fr);

  gap: 28px;

  align-items: center;

  margin-bottom: 18px;
  padding: 20px;

  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.visual-step-content {
  min-width: 0;
}

.visual-step-content .step-badge {
  margin-bottom: 10px;
}

.visual-step-content p {
  margin: 0;

  color: var(--text-soft);
  font-size: 13.5px;
}

.visual-step-content p + p {
  margin-top: 8px;
}


/* =========================================
   TUTORIAL IMAGES
========================================= */

.tutorial-image {
  margin: 0;
  text-align: center;
}

.tutorial-image img {
  width: auto;
  max-width: min(100%, 560px);
  max-height: 330px;
  height: auto;

  object-fit: contain;

  margin: 0 auto;

  background: #111111;
  border: 1px solid var(--border);
  border-radius: 9px;

  box-shadow: var(--shadow);
}

.tutorial-image figcaption {
  margin-top: 6px;

  color: var(--text-soft);

  font-size: 11px;
  text-align: center;
}


/* =========================================
   GUI DARK
========================================= */

.section-dark .section-kicker {
  color: #ff5559;
}

.section-dark .visual-step {
  background: #181a1d;
  border-color: var(--border-dark);
}

.section-dark .visual-step-content p {
  color: var(--text-dark-soft);
}

.section-dark .tutorial-image img {
  border-color: var(--border-dark);
  box-shadow: none;
}

.section-dark .tutorial-image figcaption {
  color: #8f949b;
}

.dark-intro {
  margin-bottom: 18px;
  padding: 14px 17px;

  background: #181a1d;
  border: 1px solid var(--border-dark);
  border-radius: 9px;
}

.dark-intro p {
  margin: 0;

  color: var(--text-dark-soft);
  font-size: 13px;
}

.dark-intro strong {
  color: #ffffff;
}

.file-name {
  display: inline-block;

  margin-top: 10px;
  padding: 7px 11px;

  background: #050506;
  border: 1px solid #363940;
  border-radius: 6px;

  color: #ffffff;

  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    monospace;

  font-size: 15px;
  font-weight: 700;
}

.image-pair {
  display: grid;
  grid-template-columns: repeat(2, 1fr);

  gap: 10px;
}

.image-pair .tutorial-image img {
  width: 100%;
  max-height: 260px;
}

.warning-box-dark {
  background: rgba(240, 180, 85, 0.08);
  border-color: rgba(240, 180, 85, 0.4);

  color: #ffdba2;
}


/* =========================================
   COMPLETE
========================================= */

.complete-section {
  padding: 48px 0;
  text-align: center;
}

.complete-section .container {
  display: flex;
  align-items: center;
  justify-content: center;

  gap: 18px;
}

.complete-icon {
  display: flex;

  width: 54px;
  height: 54px;
  flex: 0 0 54px;

  align-items: center;
  justify-content: center;

  background: #17181a;
  border-radius: 50%;

  color: #ffffff;

  font-size: 23px;
  font-weight: 800;
}

.complete-section h2 {
  margin: 2px 0 5px;

  font-size: 29px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.complete-section p:last-child {
  margin: 0;

  color: var(--text-soft);
  font-size: 14px;
}


/* =========================================
   RELEASE NOTES
========================================= */

.release-section {
  padding: 0 0 52px;
}

.release-details {
  overflow: hidden;

  background: #f5f6f7;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.release-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;

  padding: 18px 20px;

  cursor: pointer;

  list-style: none;
}

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

.release-details summary strong {
  display: block;

  font-size: 15px;
}

.release-label {
  display: block;

  margin-bottom: 3px;

  color: var(--accent);

  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.details-plus {
  display: flex;

  width: 28px;
  height: 28px;

  align-items: center;
  justify-content: center;

  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 50%;

  font-size: 18px;

  transition: transform 0.2s ease;
}

.release-details[open] .details-plus {
  transform: rotate(45deg);
}

.release-content {
  padding: 0 20px 20px;

  border-top: 1px solid var(--border);
}

.release-content > p:first-child {
  margin: 16px 0;

  color: var(--text-soft);
  font-size: 13px;
}

.release-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);

  gap: 24px;
}

.release-columns ul {
  margin: 0;
  padding-left: 18px;

  color: var(--text-soft);

  font-size: 12.5px;
}

.release-columns li + li {
  margin-top: 5px;
}

.release-note {
  margin: 15px 0 0;

  color: #8b8e93;

  font-size: 10.5px;
}


/* =========================================
   FOOTER
========================================= */

.site-footer {
  padding: 28px 0;

  background: #ffffff;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;
}

.footer-logo {
  width: auto;
  height: 26px;
}

.footer-inner p {
  margin: 0;

  color: var(--text-soft);
  font-size: 11px;
}


/* =========================================
   RESPONSIVE
========================================= */

@media (max-width: 800px) {

  .section {
    padding: 46px 0;
  }

  .requirements {
    grid-template-columns: 1fr;
  }

  .requirement-console {
    grid-template-columns: 120px 1fr;
  }

  .compact-steps {
    grid-template-columns: 1fr;
  }

  .usb-setup {
    grid-template-columns: 1fr;
  }

  .usb-image img {
    max-height: 360px;
  }

  .visual-step {
    grid-template-columns: 1fr;

    gap: 16px;
  }

  .tutorial-image img {
    max-width: 100%;
    max-height: 360px;
  }

}


@media (max-width: 560px) {

  .container {
    width: min(calc(100% - 26px), var(--container));
  }

  .header-inner {
    min-height: 64px;
  }

  .brand-logo {
    height: 33px;
  }

  .header-product span {
    display: none;
  }

  .header-product strong {
    font-size: 13px;
  }

  .hero-inner {
    padding-top: 45px;
    padding-bottom: 48px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero-description {
    font-size: 14px;
  }

  .section-heading {
    margin-bottom: 24px;
  }

  .requirement-console {
    grid-template-columns: 90px 1fr;
  }

  .requirement-image img {
    width: 90px;
    max-height: 90px;
  }

  .usb-setup {
    padding: 18px;
  }

  .usb-rule {
    grid-template-columns: 25px 1fr;
  }

  .visual-step {
    padding: 15px;
  }

  .image-pair {
    grid-template-columns: 1fr;
  }

  .complete-section .container {
    align-items: flex-start;

    text-align: left;
  }

  .complete-section h2 {
    font-size: 24px;
  }

  .release-columns {
    grid-template-columns: 1fr;

    gap: 7px;
  }

  .download-button {
    width: 100%;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

}