@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@600;700;800&display=swap');

:root {
  --navy: #2b160b;
  --navy-2: #351508;
  --blue: #df5b08;
  --cyan: #f97316;
  --ice: #fff0e5;
  --paper: #fff8f3;
  --white: #fff;
  --ink: #30251f;
  --muted: #76675e;
  --line: #eadfd7;
  --shadow: 0 24px 70px rgba(105, 48, 12, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "DM Sans", Arial, sans-serif; line-height: 1.65; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: Manrope, Arial, sans-serif; line-height: 1.16; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 99; padding: 10px 16px; color: #fff; background: var(--blue); }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid #f1e4db; color: var(--ink); background: rgba(255,255,255,.97); box-shadow: 0 4px 20px rgba(84,37,8,.05); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; gap: 38px; }
.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; }
.brand img { width: 48px; height: 48px; object-fit: cover; object-position: center; border-radius: 8px; background: #fff; }
.brand span { display: grid; }
.brand strong { font: 700 16px Manrope, sans-serif; }
.brand small { color: #a85a27; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
nav { display: flex; align-items: center; gap: 26px; font-size: 14px; }
nav a { color: #49372d; transition: color .2s; }
nav a:hover { color: var(--blue); }
nav .main-site-link { display: inline-flex; align-items: center; gap: 7px; color: var(--blue); font-weight: 700; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 0 24px; border: 1px solid var(--cyan); border-radius: 10px; color: #fff; background: linear-gradient(135deg, #ff8a2b, #ec620b); font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(249,115,22,.24); }
.button-small { min-height: 42px; padding-inline: 18px; font-size: 14px; white-space: nowrap; }
.button-outline { color: #fff; background: transparent; border-color: rgba(255,255,255,.35); }

.hero { position: relative; overflow: hidden; color: #fff; background: linear-gradient(125deg, #b74205 0%, #ef6f11 52%, #ffa45a 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .2; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 70px 70px; mask-image: linear-gradient(to right, #000, transparent 75%); }
.hero-glow { position: absolute; width: 650px; height: 650px; right: -180px; left: auto; top: -230px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; background: transparent; box-shadow: 0 0 0 80px rgba(255,255,255,.04), 0 0 0 160px rgba(255,255,255,.025); }
.hero-grid { position: relative; min-height: 690px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 58px; padding-block: 80px; }
.eyebrow { color: #fff; font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { display: inline-block; width: 28px; height: 2px; margin: 0 10px 3px 0; background: var(--cyan); }
.eyebrow.dark { color: var(--blue); }
.hero h1 { max-width: 730px; margin-bottom: 24px; font-size: clamp(40px, 5vw, 68px); letter-spacing: -.045em; }
.hero-lead { max-width: 650px; color: #fff6ef; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-points { display: flex; gap: 0; margin: 52px 0 0; padding: 0; list-style: none; }
.hero-points li { display: grid; min-width: 126px; padding-right: 26px; margin-right: 26px; border-right: 1px solid rgba(255,255,255,.18); }
.hero-points li:last-child { border: 0; }
.hero-points b { font: 700 23px Manrope, sans-serif; }
.hero-points span { color: #ffe5d1; font-size: 12px; }
.hero-visual { position: relative; min-height: 510px; }
.hero-visual > img { width: 100%; height: 510px; object-fit: cover; border: 1px solid rgba(255,255,255,.35); border-radius: 24px 6px 24px 6px; box-shadow: 0 25px 70px rgba(112,38,0,.24); filter: saturate(.82) contrast(1.04); }
.hero-visual::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.15); pointer-events: none; }
.monitor-card { position: absolute; right: -22px; bottom: -24px; width: 270px; padding: 22px; color: #fff; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.36); border-radius: 18px; box-shadow: 0 25px 70px rgba(112,38,0,.24); backdrop-filter: blur(14px); }
.monitor-card small { font-size: 9px; letter-spacing: .12em; }
.live-dot { display: inline-block; width: 8px; height: 8px; margin-right: 7px; border-radius: 50%; background: #40d49b; box-shadow: 0 0 0 5px rgba(64,212,155,.13); }
.monitor-card strong { display: block; margin: 8px 0; font: 700 42px Manrope, sans-serif; }
.monitor-card sup { color: var(--cyan); font-size: 16px; }
.monitor-card p { margin: 8px 0 0; color: #fff0e5; font-size: 10px; }
.temperature-line { height: 40px; display: flex; align-items: end; gap: 8px; border-bottom: 1px solid rgba(255,255,255,.14); }
.temperature-line i { flex: 1; background: var(--cyan); height: 45%; opacity: .55; }
.temperature-line i:nth-child(2), .temperature-line i:nth-child(6) { height: 75%; }
.temperature-line i:nth-child(4) { height: 90%; }

.trust-strip { background: #fff; color: #745b4f; border-bottom: 1px solid #f0e3dc; }
.trust-strip .container { min-height: 74px; display: flex; justify-content: space-around; align-items: center; gap: 24px; text-transform: uppercase; font-size: 11px; letter-spacing: .1em; }
.trust-strip i { width: 4px; height: 4px; border-radius: 50%; background: var(--cyan); }
.section { padding: 110px 0; }
.section-heading { margin-bottom: 50px; }
.section-heading h2, .technical h2, .iot h2, .faq h2 { font-size: clamp(31px, 4vw, 48px); letter-spacing: -.035em; }
.split-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 90px; align-items: end; }
.split-heading h2 { margin-bottom: 0; }
.split-heading > p, .section-intro, .faq-grid > div > p { color: var(--muted); }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.problem-grid article { position: relative; padding: 34px; border: 1px solid var(--line); background: #fff; }
.problem-grid article > span { position: absolute; right: 24px; top: 20px; color: #bbcad3; font: 700 12px Manrope, sans-serif; }
.icon-box { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 25px; color: var(--blue); background: var(--ice); font-size: 25px; }
.icon-box svg, .feature-callout svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.problem-grid h3 { font-size: 21px; }
.problem-grid p { color: var(--muted); font-size: 14px; }
.problem-grid b { color: var(--blue); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.solution-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.solution-gallery figure { position: relative; min-height: 260px; margin: 0; overflow: hidden; background: var(--navy); }
.solution-gallery img { width: 100%; height: 260px; object-fit: cover; transition: transform .5s ease; }
.solution-gallery figure:hover img { transform: scale(1.045); }
.solution-gallery figure::after { content: ""; position: absolute; inset: 40% 0 0; background: linear-gradient(transparent, rgba(43,22,11,.92)); }
.solution-gallery figcaption { position: absolute; z-index: 1; right: 22px; bottom: 18px; left: 22px; display: grid; color: #fff; }
.solution-gallery figcaption b { font: 700 17px Manrope, sans-serif; }
.solution-gallery figcaption span { color: #f6d7c3; font-size: 12px; }

.case-section { background: #fff8f3; }
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-grid article { padding: 34px; border: 1px solid var(--line); background: #fff; box-shadow: 0 12px 35px rgba(105,48,12,.06); }
.case-label { color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.case-grid h3 { margin: 15px 0 20px; font-size: 22px; }
.case-grid p { color: var(--muted); font-size: 14px; }
.case-grid p strong { color: var(--ink); }
.case-result { margin-top: 22px; padding: 13px 16px; border-left: 3px solid var(--cyan); color: var(--navy); background: var(--ice); font-size: 13px; font-weight: 700; }
.decision-section { background: #fff; }
.decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.decision-grid article { padding: 30px; background: #fff; }
.decision-grid b { color: var(--cyan); font: 800 25px Manrope, sans-serif; }
.decision-grid h3 { margin: 14px 0 10px; font-size: 18px; }
.decision-grid p { margin: 0; color: var(--muted); font-size: 13px; }
.price-note { display: flex; justify-content: space-between; gap: 45px; margin-top: 28px; padding: 26px 30px; color: #fff; background: var(--navy); }
.price-note strong { min-width: 230px; color: var(--cyan); }
.price-note p { margin: 0; color: #ddc6bb; font-size: 14px; }

.technical { color: #fff; background: var(--navy); }
.technical-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: center; }
.technical .section-intro { color: #ddc6bb; }
.feature-callout { display: flex; gap: 18px; margin-top: 35px; padding: 22px; border-left: 3px solid var(--cyan); background: rgba(255,255,255,.05); }
.feature-callout > span { color: var(--cyan); font-size: 25px; }
.feature-callout p { margin: 5px 0 0; color: #c9aaa0; font-size: 13px; }
.technical-photo { position: relative; height: 225px; margin: 30px 0 0; overflow: hidden; }
.technical-photo img { width: 100%; height: 100%; object-fit: cover; }
.technical-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 50%, rgba(43,22,11,.75)); }
.technical-photo figcaption { position: absolute; z-index: 1; left: 18px; bottom: 14px; color: #fff; font-size: 10px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.technical-photo figcaption i { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: #43d89f; box-shadow: 0 0 0 5px rgba(67,216,159,.12); }
.spec-table-wrap { overflow-x: auto; background: #fff; box-shadow: var(--shadow); }
table { width: 100%; color: var(--ink); border-collapse: collapse; font-size: 14px; }
caption { padding: 22px 26px; color: var(--navy); background: #fff0e5; text-align: left; font: 700 13px Manrope, sans-serif; text-transform: uppercase; letter-spacing: .08em; }
th, td { padding: 19px 22px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { color: #78909f; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
tbody th { width: 27%; font-size: 13px; }
td strong { color: var(--blue); }
.table-note { margin: 0; padding: 15px 22px; color: var(--muted); font-size: 11px; }

.iot { background: var(--paper); }
.iot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.dashboard-mockup { padding: 28px; color: #fff; background: var(--navy-2); box-shadow: 24px 24px 0 rgba(249,115,22,.13); }
.dash-top { display: flex; justify-content: space-between; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 12px; }
.dash-top i { display: inline-block; width: 9px; height: 9px; margin-right: 8px; background: var(--cyan); }
.dash-top small { color: #53dfa7; font-weight: 700; letter-spacing: .13em; }
.dash-main { padding-top: 28px; }
.dash-main p, .dash-main span { margin: 0; color: #b08e81; font-size: 11px; letter-spacing: .1em; }
.dash-main strong { display: block; font: 700 58px Manrope, sans-serif; }
.dash-main sup { color: var(--cyan); font-size: 19px; }
.chart { position: relative; height: 150px; margin-top: 15px; background: repeating-linear-gradient(to bottom, transparent, transparent 36px, rgba(255,255,255,.08) 37px); }
.chart svg { width: 100%; height: 100%; overflow: visible; }
.chart polyline { fill: none; stroke: var(--cyan); stroke-width: 3; vector-effect: non-scaling-stroke; }
.dash-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 16px; background: rgba(255,255,255,.1); }
.dash-stats div { display: grid; padding: 16px; background: var(--navy-2); }
.dash-stats small { color: #b08e81; font-size: 9px; }
.dash-stats b { font-size: 12px; }
.dash-stats .safe { color: #53dfa7; }
.iot-list { margin-top: 34px; }
.iot-list article { display: flex; gap: 20px; padding: 18px 0; border-top: 1px solid var(--line); }
.iot-list article > span { color: var(--blue); font: 700 11px Manrope, sans-serif; }
.iot-list h3 { margin-bottom: 5px; font-size: 17px; }
.iot-list p { margin: 0; color: var(--muted); font-size: 14px; }

.centered { max-width: 720px; margin-inline: auto; text-align: center; }
.centered > p:last-child { color: var(--muted); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; counter-reset: steps; }
.process-grid li { position: relative; padding: 32px 28px; border-top: 2px solid var(--line); }
.process-grid li::before { content: ""; position: absolute; top: -7px; left: 28px; width: 12px; height: 12px; border: 3px solid #fff; border-radius: 50%; background: var(--blue); }
.process-grid li:not(:last-child)::after { content: "→"; position: absolute; right: -7px; top: -18px; z-index: 2; color: #8da3b2; background: #fff; }
.process-grid span { color: #f3c09e; font: 700 34px Manrope, sans-serif; }
.process-grid h3 { margin: 15px 0 10px; font-size: 18px; }
.process-grid p { color: var(--muted); font-size: 13px; }

.faq { background: var(--paper); }
.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; }
.faq-grid > div > a { color: var(--blue); font-weight: 700; }
.accordion details { border-top: 1px solid #cbdbe3; }
.accordion details:last-child { border-bottom: 1px solid #cbdbe3; }
.accordion summary { display: flex; justify-content: space-between; gap: 24px; padding: 23px 0; cursor: pointer; font: 700 16px Manrope, sans-serif; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { color: var(--blue); font-size: 22px; }
.accordion details[open] summary span { transform: rotate(45deg); }
.accordion details p { padding-right: 50px; color: var(--muted); font-size: 14px; }

.final-cta { padding: 70px 0; color: #fff; background: linear-gradient(110deg, #df5808, #fb8a32); }
.final-cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 80px; align-items: center; }
.final-cta h2 { margin-bottom: 12px; font-size: clamp(29px, 4vw, 43px); }
.final-cta p { max-width: 760px; margin-bottom: 0; color: #fff3e9; }
.button-light { color: var(--navy); background: #fff; border-color: #fff; white-space: nowrap; }
.site-footer { padding: 70px 0 22px; color: #d5c4b8; background: #25140b; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .7fr .7fr; gap: 80px; }
.footer-brand p { max-width: 460px; margin-top: 22px; font-size: 14px; }
.footer-grid h2 { color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: .1em; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer-grid address { display: flex; flex-direction: column; gap: 10px; font-style: normal; }
.footer-grid a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 55px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: 11px; }

.whatsapp-sticky { position: fixed; right: 24px; bottom: 24px; z-index: 30; width: 60px; height: 60px; display: flex; align-items: center; gap: 0; padding: 7px; overflow: hidden; border: 1px solid rgba(255,255,255,.5); border-radius: 999px; color: #fff; background: #25d366; box-shadow: 0 14px 38px rgba(16,91,50,.3); transition: width .32s ease, transform .2s, box-shadow .2s; }
.whatsapp-sticky:hover, .whatsapp-sticky:focus-visible { width: 188px; gap: 10px; transform: translateY(-3px); box-shadow: 0 18px 42px rgba(16,91,50,.38); }
.whatsapp-sticky:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.whatsapp-icon { display: grid; place-items: center; width: 44px; height: 44px; flex: 0 0 44px; border-radius: 50%; background: rgba(255,255,255,.16); }
.whatsapp-icon svg { width: 27px; height: 27px; fill: currentColor; }
.whatsapp-label { width: 116px; flex: 0 0 116px; display: grid; opacity: 0; transform: translateX(8px); line-height: 1.2; transition: opacity .2s .08s, transform .25s .05s; }
.whatsapp-sticky:hover .whatsapp-label, .whatsapp-sticky:focus-visible .whatsapp-label { opacity: 1; transform: none; }
.whatsapp-label strong { font: 700 13px Manrope, sans-serif; }
.whatsapp-label small { margin-top: 3px; color: rgba(255,255,255,.86); font-size: 10px; }

@media (max-width: 980px) {
  .site-header nav { display: none; }
  .hero-grid, .technical-grid, .iot-grid, .faq-grid { grid-template-columns: 1fr; }
  .hero-grid { padding-top: 60px; }
  .hero-visual { max-width: 700px; }
  .split-heading { grid-template-columns: 1fr; gap: 20px; }
  .problem-grid { grid-template-columns: 1fr 1fr; }
  .solution-gallery { grid-template-columns: 1fr 1fr; }
  .technical-grid, .iot-grid, .faq-grid { gap: 50px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .process-grid li:nth-child(2)::after { display: none; }
  .final-cta-inner { grid-template-columns: 1fr; gap: 30px; }
  .final-cta-inner .button { justify-self: start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .decision-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1160px); }
  .nav-wrap { min-height: 68px; }
  .brand img { width: 42px; height: 42px; }
  .site-header .brand small { display: none; }
  .site-header .button-small { padding-inline: 12px; font-size: 12px; }
  .hero-grid { min-height: 0; padding-block: 58px 75px; gap: 42px; }
  .hero h1 { font-size: 38px; }
  .hero-lead { font-size: 16px; }
  .hero-actions .button { width: 100%; }
  .hero-points { margin-top: 38px; }
  .hero-points li { min-width: 0; flex: 1; margin-right: 12px; padding-right: 12px; }
  .hero-points b { font-size: 18px; }
  .hero-visual, .hero-visual > img { min-height: 380px; height: 380px; }
  .monitor-card { right: 12px; bottom: -35px; width: 240px; }
  .trust-strip .container { overflow-x: auto; justify-content: start; white-space: nowrap; }
  .section { padding: 76px 0; }
  .problem-grid, .process-grid, .footer-grid { grid-template-columns: 1fr; }
  .solution-gallery { grid-template-columns: 1fr; }
  .technical-grid, .iot-grid, .faq-grid { gap: 38px; }
  .spec-table-wrap { margin-inline: -14px; }
  th, td { min-width: 150px; padding: 15px; }
  .dashboard-mockup { padding: 18px; }
  .dash-main strong { font-size: 48px; }
  .dash-stats div { padding: 10px; }
  .process-grid li:not(:last-child)::after { display: none; }
  .final-cta { padding-block: 55px; }
  .footer-grid { gap: 35px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { display: grid; gap: 8px; }
  .whatsapp-sticky, .whatsapp-sticky:hover, .whatsapp-sticky:focus-visible { right: 14px; bottom: 14px; width: 60px; padding: 7px; transform: none; }
  .whatsapp-icon { width: 46px; height: 46px; flex-basis: 46px; }
  .whatsapp-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .case-grid, .decision-grid { grid-template-columns: 1fr; }
  .case-grid article, .decision-grid article { padding: 25px; }
  .price-note { display: grid; gap: 10px; padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}