:root {
  --black: #050505;
  --ink: #071428;
  --text: #1b2430;
  --yellow: #ffc400;
  --white: #ffffff;
  --header-height: 82px;
  --section-title-size: clamp(40px, 4vw, 60px);
  --section-copy-size: clamp(16px, 1.08vw, 18px);
  --section-label-size: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
}
a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  padding: 0 clamp(24px, 4vw, 72px);
  display: grid;
  grid-template-columns: 160px 1fr 44px;
  align-items: center;
  gap: 24px;
  background: var(--black);
  color: var(--white);
}

.brand {
  width: 92px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.main-nav {
  justify-self: center;
  display: flex;
  gap: clamp(34px, 5vw, 80px);
  height: 100%;
  align-items: center;
}
.main-nav a {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
  color: #fff;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}
.main-nav a {
  transition: color .22s ease;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--yellow);
}

.language-button,
.menu-button {
  appearance: none;
  border: 0;
  background: transparent;
  color: #fff;
  cursor: pointer;
}
.language-button {
  width: 38px;
  height: 38px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  transition: color .22s ease, border-color .22s ease, background .22s ease;
}
.language-button:hover {
  color: var(--yellow);
  border-color: var(--yellow);
}
.menu-button { display: block; }

.hero {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(420px, 45%) 1fr;
  overflow: hidden;
  background: #fff;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding: clamp(44px, 5.4vw, 88px) clamp(38px, 6vw, 108px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(90deg, #fff 0%, #fff 82%, rgba(255,255,255,.96) 91%, rgba(255,255,255,0) 100%);
  margin-right: -110px;
}

.anti-theft-logo {
  width: clamp(125px, 11vw, 175px);
  height: auto;
  margin: 0 0 22px;
  filter: drop-shadow(0 5px 12px rgba(0,0,0,.12));
}

h1 {
  margin: 0;
  max-width: 650px;
  color: var(--ink);
  font-size: clamp(44px, 4.8vw, 72px);
  line-height: .88;
  letter-spacing: -.045em;
  font-weight: 800;
}
.hero-kicker {
  margin: 30px 0 0;
  color: var(--ink);
  font-size: clamp(20px, 1.45vw, 24px);
  font-weight: 700;
}
.accent-line {
  width: 70px;
  height: 5px;
  margin: 24px 0 28px;
  border-radius: 99px;
  background: var(--yellow);
}
.hero-description {
  max-width: 590px;
  margin: 0;
  font-size: var(--section-copy-size);
  line-height: 1.5;
}
.cta {
  width: max-content;
  margin-top: 34px;
  min-height: 62px;
  padding: 0 28px;
  display: inline-flex;
  align-items: center;
  gap: 26px;
  border-radius: 3px;
  background: var(--yellow);
  color: #080808;
  text-decoration: none;
  font-size: 18px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease;
}
.cta:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,.14); }
.cta svg { width: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; }

.hero-media {
  min-height: calc(100vh - var(--header-height));
  background-image: url("assets/images/hero-robo.jpg");
  background-size: cover;
  background-position: 53% center;
}

.placeholder-section {
  min-height: 58vh;
  padding: 100px 8vw;
  display: grid;
  align-content: center;
  background: #f5f5f2;
}
.placeholder-section.dark { background: #101214; color: #fff; }
.placeholder-section p { color: var(--yellow); font-weight: 800; letter-spacing: .18em; }
.placeholder-section h2 { max-width: 850px; margin: 14px 0 0; font-size: clamp(38px, 5vw, 74px); line-height: .98; }

@media (max-width: 980px) {
  :root { --header-height: 64px; }
  .site-header {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 10px;
    padding: 0 10px;
    overflow: hidden;
  }
  .brand { width: 58px; }
  .main-nav {
    position: static;
    min-width: 0;
    width: 100%;
    height: var(--header-height);
    padding: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    justify-self: stretch;
    gap: 8px;
    overflow: hidden;
    white-space: nowrap;
    background: transparent;
  }
  .main-nav::-webkit-scrollbar { display: none; }
  .main-nav a {
    flex: 1 1 0;
    min-width: 0;
    height: var(--header-height);
    justify-content: center;
    text-align: center;
    font-size: 8.2px;
    letter-spacing: .03em;
    line-height: 1.1;
  }
  .language-button {
    width: 30px;
    height: 30px;
    justify-self: end;
    font-size: 9px;
  }
  .menu-button { display: none; }

  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy {
    margin: 0;
    padding: 44px 24px 40px 20px;
    background: #fff;
  }
  .hero-copy h1 { font-size: clamp(46px, 10vw, 58px); }
  .hero-kicker {
    margin-top: 20px;
    font-size: clamp(17px, 4.5vw, 20px);
  }
  .hero-description {
    max-width: 100%;
    font-size: 15px;
    line-height: 1.55;
  }
  .cta {
    min-height: 56px;
    padding: 0 22px;
    font-size: 16px;
  }
  .hero-media {
    min-height: 62vh;
    background-position: 58% center;
  }
}

@media (max-width: 640px) {
  .site-header { gap: 8px; padding: 0 8px; }
  .brand { width: 54px; }
  .main-nav { gap: 6px; }
  .main-nav a { font-size: 7.6px; letter-spacing: .02em; }
  .language-button { width: 28px; height: 28px; font-size: 8px; }
  .anti-theft-logo { width: 76px; margin-bottom: 16px; }
  .hero-copy { padding: 38px 18px 36px 16px; }
  .hero-copy h1 { font-size: clamp(42px, 13vw, 52px); line-height: .92; }
  .hero-kicker { margin-top: 18px; font-size: 17px; }
  .accent-line { margin: 20px 0 22px; }
  .hero-description { font-size: 14px; }
  .cta { width: 100%; justify-content: space-between; }
  .hero-media { min-height: 54vh; }
}

@media (max-width: 390px) {
  .site-header { padding: 0 7px; gap: 7px; }
  .brand { width: 50px; }
  .main-nav { gap: 5px; }
  .main-nav a { font-size: 7.2px; letter-spacing: .01em; }
  .language-button { width: 27px; height: 27px; }
  .hero-copy { padding-left: 14px; padding-right: 14px; }
  .hero-copy h1 { font-size: 44px; }
}

/* Technology introduction */
.technology-intro {
  scroll-margin-top: var(--header-height);
  background: #f7f5f1;
}

.benefits {
  max-width: 1500px;
  margin: 0 auto;
  padding: clamp(24px, 2.4vw, 34px) clamp(24px, 5vw, 72px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: #f7f5f1;
  border-bottom: 8px solid var(--yellow);
}

.benefit {
  min-width: 0;
  padding: 0 clamp(24px, 3vw, 52px);
  display: grid;
  grid-template-columns: 82px 1fr;
  align-items: center;
  gap: 14px;
}

.benefit + .benefit { border-left: 1px solid #e0e3e7; }

.benefit-icon {
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border: 2px solid var(--yellow);
  border-radius: 50%;
  color: var(--yellow);
  background: #fff;
}
.benefit-icon.highlighted { background: #fff; }
.benefit-icon svg,
.use-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.benefit h2 {
  margin: 0 0 7px;
  color: var(--ink);
  font-size: clamp(18px, 1.35vw, 21px);
  line-height: 1.14;
  letter-spacing: -.025em;
}
.benefit p {
  max-width: 280px;
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  color: #4c5561;
}

.daily-design {
  max-width: 1500px;
  margin: 0 auto;
  padding: clamp(24px, 2.4vw, 34px) clamp(24px, 6vw, 92px);
  display: grid;
  grid-template-columns: minmax(380px, .95fr) minmax(430px, 1.05fr);
  gap: clamp(26px, 3vw, 40px);
  align-items: start;
  background: #f7f5f1;
  border-bottom: 6px solid var(--yellow);
}

.daily-image {
  margin: 0;
  min-height: 330px;
  overflow: hidden;
  background: #eceff1;
}
.daily-image img {
  width: 100%;
  height: 100%;
  min-height: 330px;
  display: block;
  object-fit: cover;
  object-position: center 48%;
}

.daily-copy {
  padding-top: 2.5cm;
  margin-top: 0;
}

.section-label {
  margin: 0 0 16px;
  color: #6c7480;
  font-size: var(--section-label-size);
  font-weight: 800;
  letter-spacing: .18em;
}
.daily-copy .section-label {
  margin: 0 0 1cm;
}
.daily-copy h2 {
  max-width: 720px;
  margin: 0;
  color: var(--ink);
  font-size: var(--section-title-size);
  line-height: 1;
  letter-spacing: -.045em;
}
.daily-copy h2 {
  margin-bottom: .35cm;
}
.daily-copy .accent-line.small {
  width: 50px;
  height: 4px;
  margin: .2cm 0 .45cm;
}
.accent-line.small {
  width: 50px;
  height: 4px;
  margin: 22px 0 28px;
}
.daily-description {
  max-width: 680px;
  margin: 0;
  color: #3f4854;
  font-size: var(--section-copy-size);
  line-height: 1.62;
}

.use-cases {
  margin-top: 1.5cm;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.use-case {
  min-width: 0;
  padding: 0 18px;
  display: grid;
  justify-items: center;
  gap: 14px;
  text-align: center;
  color: var(--ink);
}
.use-case:first-child { padding-left: 0; }
.use-case:last-child { padding-right: 0; }
.use-case + .use-case { border-left: 1px solid #dfe3e7; }
.use-icon {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border: 1.7px solid var(--yellow);
  border-radius: 50%;
  color: var(--yellow);
  background: #fff;
}
.use-icon svg { width: 34px; height: 34px; stroke-width: 1.8; }
.use-case strong { font-size: 13px; line-height: 1.35; }

#diseno,
#detalles { scroll-margin-top: var(--header-height); }

@media (max-width: 1100px) {
  .benefit { grid-template-columns: 68px 1fr; padding: 0 22px; gap: 16px; }
  .benefit-icon { width: 62px; height: 62px; }
  .benefit-icon svg { width: 34px; height: 34px; }
  .daily-design { grid-template-columns: .9fr 1.1fr; gap: 44px; }
  .use-cases { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .use-case:nth-child(3) { border-left: 0; }
}

@media (max-width: 820px) {
  .benefits { grid-template-columns: 1fr; padding-top: 12px; padding-bottom: 12px; }
  .benefit { padding: 18px 0; }
  .benefit + .benefit { border-left: 0; border-top: 1px solid #e0e3e7; }
  .benefit p { max-width: none; }
  .daily-design { grid-template-columns: 1fr; }
  .daily-copy { margin-top: 0; padding-top: 18px; }
  .daily-image { min-height: 56vw; }
  .daily-image img { min-height: 56vw; }
}

@media (max-width: 520px) {
  .daily-design { padding-top: 22px; padding-bottom: 30px; gap: 22px; }
  .daily-copy { padding-top: 12px; }
  .daily-copy h2 { font-size: 40px; }
  .use-cases { grid-template-columns: repeat(2, 1fr); }
  .use-case { padding: 0 12px; }
  .use-case:nth-child(3), .use-case:nth-child(4) { padding-top: 24px; border-top: 1px solid #dfe3e7; }
}

/* Technology detail */
.technology-detail {
  width: min(1520px, 100%);
  margin: 0 auto;
  padding: clamp(20px, 2.2vw, 30px) clamp(24px, 4vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(340px, .72fr);
  gap: clamp(22px, 2.4vw, 34px);
  align-items: start;
  background: #f7f5f1;
  border-bottom: 8px solid var(--yellow);
}

.technology-visual {
  position: relative;
  width: min(100%, 610px);
  justify-self: start;
  min-height: clamp(220px, 22vw, 290px);
  overflow: hidden;
}

.technology-visual img {
  width: 100%;
  height: 100%;
  min-height: clamp(220px, 22vw, 290px);
  display: block;
  object-fit: cover;
  object-position: 57% center;
}

.feature-marker {
  display: none;
  --line-width: clamp(150px, 18vw, 330px);
  position: absolute;
  z-index: 3;
  width: 17px;
  height: 17px;
  border: 3px solid var(--yellow);
  border-radius: 50%;
  background: rgba(7, 20, 40, .2);
  box-shadow: 0 0 0 3px rgba(255, 196, 0, .16);
}
.feature-marker::after {
  content: none;
}
.marker-zip { top: 29%; left: 75%; }
.marker-pocket { top: 49%; left: 75%; }
.marker-access { top: 70%; left: 75%; }

.technology-panel {
  position: relative;
  z-index: 4;
  color: var(--ink);
  max-width: 400px;
  justify-self: end;
  align-self: start;
  padding-top: calc(18px + 1cm);
}
.technology-accent {
  width: 46px;
  height: 5px;
  margin: 0 0 16px;
}
.technology-panel > h2 {
  margin: 0 0 18px;
  font-size: var(--section-title-size);
  line-height: .92;
  letter-spacing: -.05em;
  color: var(--ink);
}
.technology-lead {
  max-width: 380px;
  margin: 0 0 32px;
  font-size: var(--section-copy-size);
  line-height: 1.6;
  color: #333d49;
}
.technology-features {
  display: grid;
  gap: 14px;
}
.technology-feature {
  --connector-width: 0px;
  position: relative;
  min-height: 90px;
  padding: 14px 0;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: start;
}
.technology-feature::before {
  content: none;
  position: absolute;
  z-index: 1;
  top: 50%;
  right: calc(100% - 2px);
  width: var(--connector-width);
  height: 2px;
  background: var(--yellow);
  transform: translateY(-50%);
  pointer-events: none;
}
.technology-feature::after {
  content: none;
  position: absolute;
  z-index: 2;
  top: 50%;
  right: calc(100% + var(--connector-width) - 7px);
  width: 14px;
  height: 14px;
  border: 3px solid var(--yellow);
  border-radius: 50%;
  background: rgba(7, 20, 40, .18);
  box-shadow: 0 0 0 3px rgba(255, 196, 0, .16);
  transform: translateY(-50%);
  pointer-events: none;
}
.technology-feature + .technology-feature {
  border-top: 1px solid #d5d4d0;
  padding-top: 22px;
}
.technology-feature-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 2px solid var(--yellow);
  border-radius: 50%;
  background: #fff;
  color: var(--yellow);
}
.technology-feature-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.technology-feature h3 {
  margin: 0 0 10px;
  font-size: clamp(16px, 1vw, 18px);
  line-height: 1.08;
  letter-spacing: -.03em;
  text-transform: uppercase;
}
.technology-feature p {
  max-width: 340px;
  margin: 0;
  color: #3f4854;
  font-size: var(--section-copy-size);
  line-height: 1.5;
}

@media (max-width: 1180px) {
  .technology-detail {
    grid-template-columns: minmax(0, .92fr) minmax(300px, .78fr);
    gap: 18px;
  }
  .technology-visual { width: min(100%, 520px); min-height: clamp(210px, 21vw, 270px); }
  .technology-visual img { min-height: clamp(210px, 21vw, 270px); }
  .technology-feature { --connector-width: 0px; grid-template-columns: 50px 1fr; gap: 12px; min-height: 78px; }
  .technology-feature-icon { width: 42px; height: 42px; }
  .technology-feature-icon svg { width: 20px; height: 20px; }
  .technology-panel { max-width: 360px; }
}

@media (max-width: 900px) {
  .technology-detail {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .technology-visual,
  .technology-visual img {
    width: 100%;
    min-height: min(72vw, 340px);
  }
  .technology-visual { justify-self: stretch; }
  .technology-visual img { object-position: 52% center; }
  .feature-marker,
  .technology-feature::before,
  .technology-feature::after { display: none; }
  .technology-panel { max-width: none; padding-top: 6px; }
  .technology-panel > h2 { font-size: clamp(38px, 9vw, 54px); }
  .technology-lead { margin: 0 0 22px; }
  .technology-features { gap: 8px; }
  .technology-feature + .technology-feature { padding-top: 16px; }
}

@media (max-width: 520px) {
  .technology-detail { padding-top: 20px; padding-bottom: 28px; }
  .technology-visual,
  .technology-visual img { min-height: 82vw; }
  .technology-feature {
    min-height: 0;
    grid-template-columns: 58px 1fr;
    gap: 16px;
    padding: 22px 0;
  }
  .technology-feature-icon { width: 54px; height: 54px; }
  .technology-feature-icon svg { width: 29px; height: 29px; }
  .technology-feature h3 { font-size: 17px; }
  .technology-feature p { font-size: 14px; }
}

/* Style protection */
.style-protection {
  scroll-margin-top: var(--header-height);
  width: min(1760px, 100%);
  margin: 0 auto;
  padding: clamp(31px, 3.4vw, 57px) clamp(24px, 5vw, 92px);
  display: grid;
  grid-template-columns: minmax(360px, .88fr) minmax(420px, 1.12fr);
  gap: clamp(28px, 3.4vw, 44px);
  align-items: center;
  background: #f7f5f1;
  border-bottom: 8px solid var(--yellow);
}

.style-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: var(--section-title-size);
  line-height: .96;
  letter-spacing: -.05em;
}

.style-description {
  max-width: 690px;
  margin: 0;
  color: #3f4854;
  font-size: var(--section-copy-size);
  line-height: 1.62;
}

.style-checks {
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
  list-style: none;
}

.style-checks li {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--ink);
  font-size: clamp(18px, 1.2vw, 20px);
}

.check-icon {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 2px solid var(--yellow);
  border-radius: 50%;
  color: var(--yellow);
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
}

.style-gallery {
  min-width: 0;
  min-height: clamp(330px, 30vw, 430px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
  overflow: hidden;
  background: #e9ecee;
  max-width: 430px;
  justify-self: end;
}

.style-image {
  margin: 0;
  min-width: 0;
  overflow: hidden;
}

.style-image img {
  width: 100%;
  height: 100%;
  min-height: clamp(330px, 30vw, 430px);
  display: block;
  object-fit: cover;
}

.style-image-main img { object-position: center 42%; }
.style-image-secondary img { object-position: 53% center; }
.style-divider { background: var(--yellow); }
.style-gallery.single-image { min-height: clamp(330px, 30vw, 430px); }

@media (max-width: 1100px) {
  .style-protection {
    grid-template-columns: minmax(330px, .82fr) minmax(500px, 1.18fr);
    gap: 48px;
  }
  .style-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .style-protection {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .style-gallery {
    min-height: min(80vw, 420px);
    max-width: 520px;
    justify-self: center;
  }
  .style-image img {
    min-height: min(80vw, 420px);
  }
}

@media (max-width: 560px) {
  .style-protection {
    padding-top: 39px;
    padding-bottom: 49px;
  }
  .style-copy h2 { font-size: 40px; }
  .style-description { font-size: 16px; }
  .style-checks { margin-top: 32px; gap: 18px; }
  .check-icon { width: 42px; height: 42px; font-size: 24px; }
  .style-gallery {
    min-height: 84vw;
    grid-template-columns: 1fr;
  }
  .style-image img { min-height: 84vw; }
}

/* Product details */
.product-details {
  scroll-margin-top: var(--header-height);
  padding: clamp(31px, 3.6vw, 57px) clamp(24px, 6vw, 96px);
  background: #f7f5f1;
  border-bottom: 8px solid var(--yellow);
}

.details-heading {
  max-width: 760px;
  margin: 0 auto 26px;
  text-align: center;
}

.details-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: var(--section-title-size);
  line-height: .98;
  letter-spacing: -.045em;
}

.details-heading .accent-line {
  margin-left: auto;
  margin-right: auto;
}

.details-heading > p:last-child {
  max-width: 690px;
  margin: 0 auto;
  color: #4a535e;
  font-size: var(--section-copy-size);
  line-height: 1.6;
}

.details-gallery {
  width: min(700px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 24px);
  align-items: stretch;
}

.detail-card {
  margin: 0;
  padding: 14px 14px 12px;
  background: #f7f7f4;
  border: 1px solid #e5e5e0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.detail-card img {
  width: 100%;
  height: 200px;
  display: block;
  object-fit: contain;
  object-position: center;
  background: #fff;
}

.detail-card figcaption {
  padding: 12px 4px 0;
  margin-top: auto;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
}

@media (max-width: 700px) {
  .details-gallery {
    grid-template-columns: 1fr;
    width: min(520px, 100%);
  }
  .detail-card img { height: 190px; }
}

/* Share */
.share-section {
  padding: clamp(24px, 2.4vw, 34px) clamp(24px, 6vw, 96px);
  background: var(--black);
  color: #fff;
}

.share-inner {
  width: min(1320px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(320px, .92fr) minmax(480px, 1.08fr);
  gap: clamp(18px, 2vw, 26px);
  align-items: center;
}

.share-copy .section-label { color: var(--yellow); }
.share-copy h2 {
  max-width: 680px;
  margin: 0;
  color: #fff;
  font-size: var(--section-title-size);
  line-height: .98;
  letter-spacing: -.045em;
}
.share-copy > p:last-child {
  max-width: 620px;
  margin: 0;
  color: #c8cbd0;
  font-size: var(--section-copy-size);
  line-height: 1.6;
}

.share-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.share-button {
  appearance: none;
  min-height: 68px;
  padding: 8px 10px;
  border: 1px solid #3a3a3a;
  border-radius: 2px;
  background: #111;
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  transition: border-color .2s ease, color .2s ease, transform .2s ease, background .2s ease;
}
.share-button:hover,
.share-button:focus-visible {
  outline: none;
  border-color: var(--yellow);
  color: #fff;
  background: #171717;
  transform: translateY(-2px);
}
.share-button:hover .share-icon,
.share-button:focus-visible .share-icon {
  color: #fff;
}
.share-icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: var(--yellow);
}
.share-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.share-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 100;
  padding: 13px 20px;
  border-radius: 3px;
  background: var(--yellow);
  color: #090909;
  font-size: 14px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 18px);
  transition: opacity .22s ease, transform .22s ease;
  box-shadow: 0 12px 32px rgba(0,0,0,.25);
}
.share-toast.visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 900px) {
  .share-inner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .share-actions { grid-template-columns: 1fr; }
  .share-button {
    min-height: 54px;
    padding: 8px 14px;
    grid-template-columns: 24px 1fr;
    justify-items: start;
    text-align: left;
  }
}

.site-credit {
  margin: 18px 0 0;
  text-align: center;
  color: var(--yellow);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
}

.detail-card:nth-child(2) img { transform: scale(1.08); transform-origin: center; }
@media (max-width: 700px) { .detail-card:nth-child(2) img { transform: scale(1.05); } }

/* Final polish */
.menu-button { display: none; }
.hero-media { background-image: url("assets/images/hero-robo.jpg"); }

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

.reveal,
.reveal-item {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.is-visible,
.reveal-item.is-visible {
  opacity: 1;
  transform: none;
}
.reveal-group .reveal-item:nth-child(2) { transition-delay: .1s; }
.reveal-group .reveal-item:nth-child(3) { transition-delay: .2s; }

.technology-visual {
  isolation: isolate;
}
.technology-visual img {
  transition: transform .55s ease;
}
.technology-visual:hover img {
  transform: scale(1.025);
}
.technology-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 2;
  padding: 9px 13px;
  border-left: 4px solid var(--yellow);
  background: rgba(5, 5, 5, .82);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  backdrop-filter: blur(3px);
}

.final-cta {
  padding: clamp(48px, 6vw, 86px) clamp(24px, 6vw, 96px);
  background: #f7f5f1;
  border-bottom: 8px solid var(--yellow);
  text-align: center;
}
.final-cta-inner {
  width: min(860px, 100%);
  margin: 0 auto;
}
.final-cta .section-label { color: #6c7480; }
.final-cta h2 {
  margin: 0;
  color: var(--ink);
  font-size: var(--section-title-size);
  line-height: .98;
  letter-spacing: -.045em;
}
.final-cta .accent-line { margin-left: auto; margin-right: auto; }
.final-cta p:last-of-type {
  max-width: 680px;
  margin: 0 auto;
  color: #3f4854;
  font-size: var(--section-copy-size);
  line-height: 1.6;
}
.final-cta-button {
  margin: 28px auto 0;
}

@media (max-width: 980px) {
  .menu-button { display: none; }
  .hero-copy { padding-top: 42px; padding-bottom: 38px; }
  .anti-theft-logo { width: 112px; }
  h1 { font-size: clamp(46px, 10vw, 68px); line-height: .94; }
  .hero-kicker { font-size: 20px; }
  .hero-media { min-height: 58vh; background-position: 56% center; }
  .benefits { padding-left: 28px; padding-right: 28px; }
  .benefit { grid-template-columns: 68px 1fr; }
  .daily-copy { padding-top: 22px; }
  .technology-panel { padding-top: 8px; }
}

@media (max-width: 700px) {
  .site-header { padding: 0 8px; gap: 8px; }
  .language-button { width: 28px; height: 28px; font-size: 8px; }
  .hero-copy { padding: 38px 18px 34px 14px; }
  .anti-theft-logo { width: 100px; }
  h1 { font-size: 50px; }
  .hero-description { line-height: 1.6; }
  .hero-media { min-height: 50vh; background-position: 59% center; }
  .benefits { padding: 10px 22px; }
  .benefit { padding: 22px 0; gap: 16px; }
  .benefit-icon { width: 58px; height: 58px; }
  .benefit h2 { font-size: 18px; }
  .benefit p { font-size: 14px; }
  .daily-design,
  .technology-detail,
  .style-protection,
  .product-details,
  .final-cta { padding-left: 22px; padding-right: 22px; }
  .daily-copy .section-label { margin-bottom: 22px; }
  .daily-copy h2 { margin-bottom: 10px; }
  .daily-copy .accent-line.small { margin: 8px 0 18px; }
  .use-cases { margin-top: 30px; }
  .technology-badge { left: 12px; bottom: 12px; font-size: 11px; }
  .style-gallery { width: 100%; max-width: 430px; }
  .details-gallery { gap: 18px; }
  .detail-card img { height: 210px; }
  .share-inner { gap: 24px; }
  .share-copy h2 { font-size: 38px; }
  .final-cta { text-align: left; }
  .final-cta .accent-line { margin-left: 0; }
  .final-cta p:last-of-type { margin-left: 0; }
  .final-cta-button { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal,
  .reveal-item { opacity: 1; transform: none; }
}


/* Mobile navigation final correction: readable two-row header, no horizontal scroll */
@media (max-width: 980px) {
  :root { --header-height: 104px; }

  .site-header {
    height: var(--header-height);
    padding: 0 12px;
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: 54px 50px;
    grid-template-areas:
      "brand language"
      "nav nav";
    column-gap: 12px;
    row-gap: 0;
    overflow: visible;
  }

  .brand {
    grid-area: brand;
    width: 68px;
    justify-self: start;
    align-self: center;
  }

  .language-button {
    grid-area: language;
    width: 32px;
    height: 32px;
    justify-self: end;
    align-self: center;
    font-size: 10px;
  }

  .main-nav {
    grid-area: nav;
    position: static;
    width: 100%;
    min-width: 0;
    height: 50px;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: stretch;
    gap: 0;
    overflow: visible;
    white-space: normal;
    background: transparent;
  }

  .main-nav a {
    min-width: 0;
    height: 50px;
    padding: 0 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 9.5px;
    line-height: 1.15;
    letter-spacing: .035em;
    overflow-wrap: normal;
    word-break: normal;
  }

  .menu-button { display: none !important; }
}

@media (max-width: 420px) {
  .site-header { padding-left: 8px; padding-right: 8px; }
  .brand { width: 60px; }
  .main-nav a {
    padding-left: 2px;
    padding-right: 2px;
    font-size: 8.5px;
    letter-spacing: .015em;
  }
}

/* Mobile header final: two rows, all navigation items visible */
@media (max-width: 980px) {
  :root { --header-height: 104px; }
  .site-header {
    height: var(--header-height);
    padding: 0 12px;
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: 52px 52px;
    grid-template-areas:
      "brand language"
      "navigation navigation";
    gap: 0 12px;
    overflow: visible;
  }
  .brand {
    grid-area: brand;
    width: 64px;
    align-self: center;
    justify-self: start;
  }
  .language-button {
    grid-area: language;
    width: 32px;
    height: 32px;
    align-self: center;
    justify-self: end;
    font-size: 10px;
  }
  .main-nav {
    grid-area: navigation;
    position: static;
    width: 100%;
    min-width: 0;
    height: 52px;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: stretch;
    gap: 0;
    overflow: visible;
    white-space: normal;
    background: transparent;
  }
  .main-nav a {
    min-width: 0;
    height: 52px;
    padding: 0 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 9px;
    line-height: 1.15;
    letter-spacing: .035em;
    overflow-wrap: normal;
    word-break: normal;
  }
  .menu-button { display: none !important; }
}

@media (max-width: 420px) {
  :root { --header-height: 100px; }
  .site-header {
    padding: 0 8px;
    grid-template-rows: 50px 50px;
  }
  .brand { width: 58px; }
  .language-button { width: 29px; height: 29px; font-size: 9px; }
  .main-nav, .main-nav a { height: 50px; }
  .main-nav a {
    padding: 0 2px;
    font-size: 8px;
    letter-spacing: .015em;
  }
}