:root {
  --ink: #111315;
  --ink-soft: #202326;
  --paper: #f4f5f2;
  --white: #ffffff;
  --signal: #ff4b23;
  --signal-dark: #d93212;
  --safety: #f7c948;
  --whatsapp: #1fbd69;
  --muted: #666b70;
  --line: #d9dcda;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Inter", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 78px;
  padding: 0 clamp(24px, 4vw, 72px);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 11px;
  font-family: var(--display);
  font-size: 25px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--ink);
  background: var(--signal);
  clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
  font-size: 19px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 13px;
  font-weight: 600;
}

.nav-links a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  border-color: var(--signal);
}

.header-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  background: rgba(17, 19, 21, 0.64);
  border: 1px solid rgba(255, 255, 255, 0.45);
  font-size: 13px;
  font-weight: 700;
}

.header-cta svg {
  width: 17px;
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: min(880px, 92vh);
  padding: 130px clamp(24px, 7vw, 132px) 80px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero-photo,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-photo {
  object-fit: cover;
  object-position: center;
  filter: saturate(0.7) contrast(1.08);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(10, 12, 13, 0.96) 0%, rgba(10, 12, 13, 0.75) 45%, rgba(10, 12, 13, 0.2) 72%),
    linear-gradient(0deg, rgba(10, 12, 13, 0.72), transparent 48%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(660px, 54vw);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  text-transform: uppercase;
  font-size: 11px;
  line-height: 1.2;
  font-weight: 700;
}

.eyebrow span {
  width: 32px;
  height: 3px;
  background: var(--signal);
}

.eyebrow.dark {
  color: var(--muted);
}

.hero h1,
.section-heading h2,
.inquiry-copy h2 {
  margin: 0;
  font-family: var(--display);
  text-transform: uppercase;
  font-weight: 800;
  line-height: 0.86;
}

.hero h1 {
  max-width: 640px;
  font-size: clamp(72px, 8.4vw, 142px);
}

.hero-copy {
  max-width: 540px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(16px, 1.25vw, 20px);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 22px;
  border: 0;
  border-radius: 3px;
  cursor: pointer;
  font-weight: 700;
}

.button svg {
  width: 19px;
  height: 19px;
}

.button-primary {
  color: var(--white);
  background: var(--signal);
  box-shadow: 0 12px 28px rgba(255, 75, 35, 0.24);
}

.button-primary:hover {
  background: var(--signal-dark);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  color: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  font-size: 13px;
  font-weight: 600;
}

.text-link svg {
  width: 15px;
}

.hero-proof {
  display: flex;
  gap: 1px;
  width: fit-content;
  margin-top: 52px;
  background: rgba(255, 255, 255, 0.2);
}

.hero-proof div {
  display: flex;
  flex-direction: column;
  min-width: 142px;
  padding: 15px 22px;
  background: rgba(17, 19, 21, 0.72);
  backdrop-filter: blur(8px);
}

.hero-proof strong {
  font-family: var(--display);
  font-size: 25px;
  line-height: 1;
}

.hero-proof span {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 10px;
  text-transform: uppercase;
}

.product-stage {
  position: absolute;
  z-index: 3;
  right: clamp(36px, 8vw, 152px);
  bottom: 72px;
  width: clamp(330px, 33vw, 560px);
  aspect-ratio: 1.1;
  transform: rotate(-4deg);
  filter: drop-shadow(0 34px 22px rgba(0, 0, 0, 0.42));
}

.device {
  position: absolute;
  inset: 19% 5% 16% 7%;
  border: 3px solid #3b3f42;
  border-radius: 24px;
  background: #121416;
  box-shadow: inset 0 0 0 5px #202326, inset 0 -40px 65px #050606;
}

.device-ridge {
  position: absolute;
  inset: 9px;
  border: 2px solid #2e3235;
  border-radius: 16px;
}

.device-face {
  position: absolute;
  inset: 13% 13%;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr auto;
  padding: 10%;
  border-radius: 8px;
  color: #e8e9e7;
  background: linear-gradient(145deg, #25282a, #141617);
  box-shadow: inset 0 0 0 1px #44494d;
}

.device-brand {
  font-family: var(--display);
  font-size: clamp(18px, 2vw, 30px);
  font-weight: 800;
}

.device-screen {
  grid-column: 1;
  grid-row: 2;
  align-self: center;
  width: 62%;
  min-width: 105px;
  padding: 9px 12px;
  border: 1px solid #53605d;
  color: #9fffd1;
  background: #0c1713;
  box-shadow: inset 0 0 18px rgba(31, 189, 105, 0.12);
}

.device-screen small,
.device-screen strong {
  display: block;
  font-family: var(--display);
}

.device-screen small {
  font-size: 8px;
}

.device-screen strong {
  font-size: clamp(30px, 4vw, 60px);
  line-height: 0.9;
}

.device-screen strong span {
  font-size: 0.35em;
}

.device-dial {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  display: grid;
  place-items: center;
  width: clamp(48px, 5vw, 70px);
  aspect-ratio: 1;
  border: 3px solid #414549;
  border-radius: 50%;
  color: var(--signal);
  background: #101214;
}

.device-label {
  grid-column: 1 / -1;
  color: #777e82;
  font-size: 8px;
}

.device-light {
  position: absolute;
  right: -5px;
  top: 32%;
  width: 13px;
  height: 34%;
  border-radius: 2px;
  background: #f8e9b7;
  box-shadow: 10px 0 35px rgba(255, 242, 181, 0.55);
}

.cable {
  position: absolute;
  z-index: -1;
  width: 50%;
  height: 40%;
  border: 10px solid;
  border-left-color: transparent;
  border-radius: 50%;
}

.cable-red {
  right: -9%;
  top: 0;
  border-color: #d93d25;
  border-left-color: transparent;
}

.cable-black {
  left: -8%;
  bottom: 2%;
  border-color: #161819;
  border-left-color: transparent;
}

.product-caption {
  position: absolute;
  right: 8%;
  bottom: 2%;
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  font-size: 9px;
  font-weight: 700;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 19px;
  width: 24px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 20px;
}

.scroll-cue span {
  position: absolute;
  top: 8px;
  left: 10px;
  width: 3px;
  height: 7px;
  border-radius: 4px;
  background: var(--signal);
  animation: scroll-dot 1.8s infinite;
}

@keyframes scroll-dot {
  0% { transform: translateY(0); opacity: 0; }
  30% { opacity: 1; }
  80%, 100% { transform: translateY(13px); opacity: 0; }
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.feature-strip article {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 118px;
  padding: 25px clamp(18px, 2.7vw, 48px);
  border-right: 1px solid var(--line);
}

.feature-strip article:last-child {
  border-right: 0;
}

.feature-strip svg {
  flex: 0 0 auto;
  width: 27px;
  height: 27px;
  color: var(--signal);
}

.feature-strip div {
  display: flex;
  flex-direction: column;
}

.feature-strip strong {
  font-family: var(--display);
  font-size: 20px;
  text-transform: uppercase;
}

.feature-strip span {
  color: var(--muted);
  font-size: 11px;
}

.product-story,
.specs-section {
  padding: clamp(78px, 9vw, 140px) clamp(24px, 8vw, 150px);
}

.section-heading {
  display: flex;
  flex-direction: column;
  max-width: 720px;
  margin-bottom: 52px;
}

.section-heading h2,
.inquiry-copy h2 {
  font-size: clamp(54px, 6vw, 96px);
}

.story-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.8fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
}

.story-main,
.story-card {
  border-radius: 6px;
  overflow: hidden;
}

.story-main {
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 610px;
  padding: clamp(28px, 5vw, 72px);
  color: var(--white);
  background:
    radial-gradient(circle at 70% 30%, rgba(61, 70, 75, 0.68), transparent 34%),
    var(--ink-soft);
}

.pressure-display {
  align-self: center;
  display: grid;
  place-items: center;
  width: min(62%, 340px);
  aspect-ratio: 1;
  border: 2px solid #444b4f;
  border-radius: 50%;
  color: #bfffdc;
  background: #0b1110;
  box-shadow: 0 0 0 16px #292e31, 0 0 90px rgba(31, 189, 105, 0.1);
  font-family: var(--display);
}

.pressure-display span {
  align-self: end;
  color: #84928c;
  font-size: 12px;
}

.pressure-display strong {
  font-size: clamp(62px, 7vw, 108px);
  line-height: 0.8;
}

.pressure-display small {
  align-self: start;
  padding: 5px 9px;
  color: var(--ink);
  background: var(--whatsapp);
  font-size: 8px;
}

.story-kicker {
  margin: 0 0 10px;
  color: var(--signal);
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
}

.story-main h3 {
  max-width: 560px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(36px, 4vw, 64px);
  line-height: 0.98;
  text-transform: uppercase;
}

.story-main p:last-child {
  max-width: 520px;
  margin: 18px 0 0;
  color: #aeb3b5;
}

.story-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 295px;
  padding: 34px;
}

.story-card svg {
  width: 34px;
  height: 34px;
}

.story-card div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.story-card strong {
  font-family: var(--display);
  font-size: clamp(42px, 4.5vw, 70px);
  line-height: 1;
}

.story-card span {
  max-width: 310px;
  font-size: 13px;
}

.red-card {
  color: var(--white);
  background: var(--signal);
}

.light-card {
  background: #e5e7e3;
}

.light-card svg {
  color: var(--whatsapp);
}

.how-section {
  padding: clamp(78px, 9vw, 140px) clamp(24px, 8vw, 150px);
  color: var(--white);
  background: var(--ink);
}

.section-heading.light .eyebrow {
  color: #a9adb0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #3b3f42;
}

.steps li {
  position: relative;
  min-height: 315px;
  padding: 34px clamp(20px, 3vw, 46px);
  border-right: 1px solid #3b3f42;
}

.steps li:last-child {
  border-right: 0;
}

.step-number {
  color: var(--signal);
  font-family: var(--display);
  font-size: 16px;
  font-weight: 700;
}

.steps svg {
  display: block;
  width: 38px;
  height: 38px;
  margin-top: 58px;
  color: var(--safety);
}

.steps h3 {
  margin: 24px 0 8px;
  font-family: var(--display);
  font-size: 32px;
  text-transform: uppercase;
}

.steps p {
  max-width: 270px;
  margin: 0;
  color: #989da0;
  font-size: 13px;
}

.specs-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(50px, 8vw, 130px);
  align-items: center;
}

.spec-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 540px;
  border-radius: 6px;
  background: #dedfda;
}

.spec-device {
  width: 62%;
  aspect-ratio: 1.55;
  padding: 8%;
  color: #e3e5e2;
  border: 8px solid #272a2c;
  border-radius: 25px;
  background: linear-gradient(145deg, #292d30, #121416);
  box-shadow: 18px 24px 32px rgba(17, 19, 21, 0.26), inset 0 0 0 2px #41464a;
  transform: rotate(-7deg);
}

.spec-device > span {
  font-family: var(--display);
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 800;
}

.spec-device div {
  width: 62%;
  margin-top: 12%;
  padding: 9px;
  color: #aaffd3;
  background: #08120e;
}

.spec-device small,
.spec-device strong {
  display: block;
  font-family: var(--display);
}

.spec-device strong {
  font-size: clamp(32px, 4vw, 60px);
  line-height: 0.9;
}

.spec-device p {
  margin: 7% 0 0;
  color: #7c8285;
  font-size: 8px;
}

.measure {
  position: absolute;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.measure::before {
  content: "";
  position: absolute;
  background: #9da19e;
}

.measure-width {
  left: 26%;
  bottom: 12%;
  width: 48%;
  padding-top: 12px;
  text-align: center;
  border-top: 1px solid #9da19e;
}

.measure-height {
  right: 10%;
  top: 31%;
  height: 38%;
  padding-left: 12px;
  border-left: 1px solid #9da19e;
  writing-mode: vertical-rl;
}

.spec-list {
  margin: 0;
}

.spec-list div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: baseline;
  padding: 21px 0;
  border-bottom: 1px solid var(--line);
}

.spec-list dt {
  color: var(--muted);
  font-size: 13px;
}

.spec-list dd {
  margin: 0;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
}

.inquiry-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(60px, 9vw, 150px);
  padding: clamp(78px, 9vw, 140px) clamp(24px, 8vw, 150px);
  color: var(--white);
  background: var(--ink-soft);
}

.inquiry-copy > p:not(.eyebrow) {
  max-width: 520px;
  margin: 26px 0;
  color: #aeb3b5;
}

.inquiry-copy ul {
  display: grid;
  gap: 11px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  color: #d6d8d6;
  font-size: 13px;
}

.inquiry-copy li {
  display: flex;
  gap: 10px;
  align-items: center;
}

.inquiry-copy li svg {
  width: 16px;
  color: var(--whatsapp);
}

.inquiry-form {
  display: grid;
  gap: 20px;
  padding: clamp(26px, 4vw, 48px);
  color: var(--ink);
  border-radius: 6px;
  background: var(--white);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
}

.inquiry-form label span {
  color: var(--muted);
  font-weight: 400;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  color: var(--ink);
  border: 1px solid #cdd1ce;
  border-radius: 3px;
  background: var(--white);
  resize: vertical;
}

.inquiry-form textarea {
  min-height: 90px;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--ink);
  outline: 2px solid rgba(17, 19, 21, 0.12);
}

.button-whatsapp {
  width: 100%;
  color: var(--white);
  background: var(--whatsapp);
}

.button-whatsapp:hover {
  background: #159957;
}

.button-whatsapp svg:last-child {
  margin-left: auto;
}

.form-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.form-note svg {
  width: 13px;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 32px clamp(24px, 4vw, 72px);
  color: #aeb3b5;
  background: #090a0b;
  font-size: 11px;
}

.footer-brand {
  color: var(--white);
}

.copyright {
  justify-self: end;
}

.mobile-whatsapp {
  display: none;
}

.toast {
  position: fixed;
  z-index: 50;
  left: 50%;
  bottom: 24px;
  width: min(90vw, 480px);
  padding: 14px 18px;
  color: var(--white);
  border-radius: 4px;
  background: var(--ink);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.28);
  text-align: center;
  font-size: 13px;
  transform: translate(-50%, 130%);
  transition: transform 220ms ease;
}

.toast.visible {
  transform: translate(-50%, 0);
}

@media (max-width: 1050px) {
  .nav-links {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .hero-content {
    width: 62vw;
  }

  .product-stage {
    right: -5vw;
    bottom: 80px;
    width: 43vw;
  }

  .feature-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-strip article:nth-child(2) {
    border-right: 0;
  }

  .feature-strip article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  body {
    padding-bottom: 72px;
  }

  .site-header {
    min-height: 68px;
    padding: 0 20px;
  }

  .header-cta {
    display: none;
  }

  .brand {
    font-size: 22px;
  }

  .brand-mark {
    width: 31px;
    height: 31px;
  }

  .hero {
    align-items: flex-start;
    min-height: 820px;
    padding: 118px 22px 36px;
  }

  .hero-photo {
    object-position: 58% center;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(10, 12, 13, 0.95) 0%, rgba(10, 12, 13, 0.77) 50%, rgba(10, 12, 13, 0.46) 72%, rgba(10, 12, 13, 0.92) 100%);
  }

  .hero-content {
    width: 100%;
  }

  .hero h1 {
    font-size: clamp(66px, 22vw, 96px);
  }

  .hero-copy {
    max-width: 460px;
    margin-top: 20px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-top: 24px;
  }

  .hero-proof {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    margin-top: 32px;
  }

  .hero-proof div {
    min-width: 0;
    padding: 12px 10px;
  }

  .hero-proof strong {
    font-size: 21px;
  }

  .product-stage {
    display: none;
  }

  .scroll-cue {
    display: none;
  }

  .feature-strip {
    grid-template-columns: 1fr;
  }

  .feature-strip article,
  .feature-strip article:nth-child(2) {
    min-height: 92px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .story-grid,
  .specs-layout,
  .inquiry-section {
    grid-template-columns: 1fr;
  }

  .story-main {
    grid-row: auto;
    min-height: 520px;
  }

  .story-card {
    min-height: 235px;
  }

  .pressure-display {
    width: min(74%, 280px);
  }

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

  .steps li {
    min-height: 250px;
    border-right: 0;
    border-bottom: 1px solid #3b3f42;
  }

  .steps svg {
    margin-top: 34px;
  }

  .spec-visual {
    min-height: 390px;
  }

  .spec-device {
    width: 72%;
  }

  .inquiry-section {
    min-width: 0;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 14px;
    text-align: left;
  }

  .copyright {
    justify-self: start;
  }

  .mobile-whatsapp {
    position: fixed;
    z-index: 40;
    left: 12px;
    right: 12px;
    bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    color: var(--white);
    border-radius: 4px;
    background: var(--whatsapp);
    box-shadow: 0 12px 30px rgba(4, 40, 22, 0.3);
    font-size: 14px;
    font-weight: 700;
  }

  .mobile-whatsapp svg {
    width: 19px;
  }
}

@media (max-width: 420px) {
  .hero {
    min-height: 780px;
  }

  .hero-proof span {
    font-size: 8px;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}