:root {
  --ink: #141716;
  --muted: #5d6662;
  --line: #dfe4df;
  --paper: #fbfcf7;
  --panel: #ffffff;
  --field: #eef4ec;
  --green: #245f4a;
  --lime: #d9ff3f;
  --red: #d54a33;
  --shadow: 0 22px 70px rgba(20, 23, 22, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(251, 252, 247, 0.9);
  border-bottom: 1px solid rgba(20, 23, 22, 0.09);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--ink);
  color: var(--lime);
  border-radius: 50%;
  font-size: 13px;
  letter-spacing: 0;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  font-size: 14px;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
}

nav a:hover,
nav a:focus {
  color: var(--ink);
}

.nav-cta {
  padding: 9px 15px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(54px, 8vw, 92px) 0;
}

.hero {
  min-height: calc(100dvh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding-top: clamp(36px, 5vw, 62px);
}

.hero-copy {
  max-width: 560px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.15;
}

.hero-text,
.section-heading p,
.app-copy p,
  .support-section p,
.contact-copy p,
.contact-panel p {
  color: var(--muted);
  font-size: 18px;
}

.hero-text {
  max-width: 500px;
  margin-bottom: 28px;
}

.hero-actions,
.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  white-space: nowrap;
}

.button:active {
  transform: translateY(1px);
}

.button.primary {
  background: var(--ink);
  color: var(--lime);
}

.button.secondary {
  border: 1px solid var(--ink);
  color: var(--ink);
}

.text-link {
  display: inline-block;
  color: var(--green);
  font-weight: 900;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--field);
}

.hero-media img {
  width: 100%;
  min-height: 520px;
  object-fit: cover;
}

.hero-carousel {
  min-height: 520px;
}

.hero-carousel .hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  opacity: 0;
  object-fit: cover;
  animation: heroFade 28s infinite;
}

.hero-carousel .slide-one {
  opacity: 1;
  animation: none;
  z-index: 1;
}

.hero-carousel .slide-two {
  z-index: 2;
  animation-delay: 7s;
  object-position: center top;
}

.hero-carousel .slide-three {
  z-index: 2;
  animation-delay: 14s;
}

.hero-carousel .slide-four {
  z-index: 2;
  animation-delay: 21s;
}

.seo-hero .hero-media img {
  min-height: 500px;
  object-fit: contain;
  background: var(--field);
}

@keyframes heroFade {
  0% {
    opacity: 0;
  }

  4% {
    opacity: 1;
  }

  24% {
    opacity: 1;
  }

  30% {
    opacity: 0;
  }

  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-carousel .hero-slide {
    animation: none;
  }

  .hero-carousel .slide-one {
    opacity: 1;
  }
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  width: min(1180px, calc(100% - 36px));
  margin: -34px auto 0;
  position: relative;
  z-index: 2;
  background: var(--ink);
  color: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
}

.proof-strip div {
  padding: 22px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.proof-strip div:last-child {
  border-right: 0;
}

.proof-strip strong,
.proof-strip span {
  display: block;
}

.proof-strip strong {
  color: var(--lime);
  font-size: 20px;
}

.proof-strip span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading.compact {
  max-width: 690px;
}

.product-feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.product-feature-copy .section-heading {
  margin-bottom: 28px;
}

.feature-table-card {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.feature-table {
  margin: 0;
}

.feature-table div {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 18px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--line);
}

.feature-table div:last-child {
  border-bottom: 0;
}

.feature-table dt {
  font-weight: 900;
  color: var(--ink);
}

.feature-table dd {
  margin: 0;
  color: var(--muted);
}

.product-feature-image {
  position: relative;
  margin: 0;
  padding: clamp(16px, 3vw, 28px);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 678px;
}

.product-feature-image img {
  width: 100%;
  max-height: 620px;
  object-fit: contain;
}

.feature-carousel .feature-slide {
  position: absolute;
  inset: clamp(16px, 3vw, 28px);
  width: calc(100% - clamp(16px, 3vw, 28px) * 2);
  height: calc(100% - clamp(16px, 3vw, 28px) * 2);
  max-height: none;
  opacity: 0;
  object-fit: contain;
  animation: featureFade 24s infinite;
}

.feature-carousel .feature-slide-one {
  opacity: 1;
  animation: none;
  z-index: 1;
}

.feature-carousel .feature-slide-two {
  z-index: 2;
  animation-delay: 4s;
}

.feature-carousel .feature-slide-three {
  z-index: 2;
  animation-delay: 10s;
}

.feature-carousel .feature-slide-four {
  z-index: 2;
  animation-delay: 16s;
}

@keyframes featureFade {
  0% {
    opacity: 0;
  }

  7% {
    opacity: 1;
  }

  30% {
    opacity: 1;
  }

  38% {
    opacity: 0;
  }

  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .feature-carousel .feature-slide {
    animation: none;
  }

  .feature-carousel .feature-slide-one {
    opacity: 1;
  }
}

.app-section {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.spec-list {
  margin: 30px 0 0;
  border-top: 1px solid var(--line);
}

.spec-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.spec-list dt {
  font-weight: 800;
}

.spec-list dd {
  margin: 0;
  color: var(--muted);
}

.phone-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.phone-frame {
  margin: 0;
  padding: 16px 16px 14px;
  background: #101312;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.phone-frame video,
.phone-frame .phone-image {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 6px;
  background: #000;
}

.phone-frame .phone-image {
  object-fit: contain;
  background: #ffffff;
}

.phone-frame figcaption {
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  font-weight: 700;
  margin-top: 12px;
}

.video-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
  gap: 18px;
}

.youtube-embed {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink);
  aspect-ratio: 16 / 9;
}

.youtube-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-links {
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.video-links a {
  color: var(--green);
  font-weight: 800;
}

.video-links ul {
  padding-left: 20px;
  color: var(--muted);
}

.comparison-section {
  padding-top: 0;
}

.comparison-disclosure {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.comparison-disclosure summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 88px;
  padding: 22px 64px 22px 24px;
  cursor: pointer;
  list-style: none;
}

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

.comparison-disclosure summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  transform: translateY(-50%);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--green);
  font-size: 24px;
  line-height: 1;
}

.comparison-disclosure[open] summary {
  border-bottom: 1px solid var(--line);
}

.comparison-disclosure[open] summary::after {
  content: "-";
}

.comparison-disclosure summary strong,
.comparison-disclosure summary small {
  display: block;
}

.comparison-disclosure summary strong {
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.08;
}

.comparison-disclosure summary small {
  margin-top: 6px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.comparison-content {
  padding: 24px;
}

.comparison-content > p {
  max-width: 820px;
  color: var(--muted);
  font-size: 17px;
}

.comparison-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.comparison-table {
  width: 100%;
  min-width: 850px;
  border-collapse: collapse;
  background: var(--panel);
}

.comparison-table th,
.comparison-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.comparison-table th {
  background: var(--field);
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.comparison-table tr:last-child td {
  border-bottom: 0;
}

.comparison-table td:first-child {
  width: 24%;
  color: var(--ink);
  font-weight: 850;
}

.comparison-table td:nth-child(2) strong {
  color: var(--green);
}

.comparison-warranty {
  margin-top: 0;
  padding: 18px 20px;
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.comparison-warranty strong {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 900;
}

.comparison-warranty p {
  margin: 0;
  color: var(--muted);
}

.support-section .comparison-warranty {
  max-width: 720px;
  margin-top: 18px;
}

.comparison-note {
  margin: 14px 0 0;
  font-size: 13px !important;
}

.support-section,
.contact-section {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  border-top: 1px solid var(--line);
}

.support-section h2,
.contact-section h2 {
  max-width: 720px;
}

.faq-section {
  padding-top: 0;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 920px;
}

.faq-list details {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.faq-list summary {
  position: relative;
  padding: 18px 58px 18px 20px;
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
  list-style: none;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  transform: translateY(-50%);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--green);
  font-size: 20px;
  line-height: 1;
}

.faq-list details[open] summary {
  border-bottom: 1px solid var(--line);
}

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

.faq-list p {
  margin: 0;
  padding: 16px 20px 18px;
  color: var(--muted);
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.seo-grid article {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.seo-grid p {
  margin: 0;
  color: var(--muted);
}

.seo-media-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.seo-media-section figure {
  margin: 0;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.seo-media-section img {
  width: 100%;
  object-fit: cover;
}

.seo-feature-table {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.contact-panel {
  min-width: min(390px, 100%);
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.mail-link {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--green);
  font-size: 24px;
  font-weight: 900;
  text-decoration: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .app-section,
  .video-layout,
  .seo-media-section,
  .support-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media img {
    min-height: 360px;
  }

  .hero-carousel {
    min-height: 360px;
  }

  .proof-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 0;
  }

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

  .support-actions {
    justify-self: start;
  }
}

@media (max-width: 760px) {
  .product-feature-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .section {
    width: min(100% - 28px, 1180px);
    padding: 46px 0;
  }

  h1 {
    font-size: 40px;
  }

  .hero-text,
  .section-heading p,
  .app-copy p,
  .support-section p,
  .contact-copy p,
  .contact-panel p {
    font-size: 16px;
  }

  .proof-strip,
  .phone-row {
    grid-template-columns: 1fr;
  }

  .proof-strip div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .proof-strip div:last-child {
    border-bottom: 0;
  }

  .spec-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .feature-table div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .product-feature-image img {
    max-height: 440px;
  }

  .site-footer {
    flex-direction: column;
  }
}
