@font-face {
  font-family: "Gotham Auzani";
  src: url("../fonts/GothamBook.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Gotham Auzani";
  src: url("../fonts/GothamMedium.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --orange: #ff5a14;
  --orange-dark: #df4406;
  --charcoal: #15191c;
  --ink: #202428;
  --muted: #616972;
  --line: #e3e6e8;
  --soft: #f5f6f5;
  --panel: #ffffff;
  --industrial: #2a3035;
  --max: 1320px;
  --shadow: 0 18px 42px rgba(20, 24, 28, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Gotham Auzani", Arial, sans-serif;
  background: #fff;
  line-height: 1.5;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  min-height: 88px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  color: #fff;
  background: rgba(18, 22, 25, 0.98);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand img {
  width: 182px;
  height: auto;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.site-nav a {
  position: relative;
  padding: 34px 2px 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.96rem;
  font-weight: 700;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: #fff;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.header-side {
  display: flex;
  align-items: center;
  gap: 28px;
}

.header-phones {
  display: grid;
  gap: 3px;
  color: #fff;
  font-size: 0.94rem;
  font-weight: 700;
}

.header-phones a:hover {
  color: #ffb08c;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.94rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: var(--orange);
  box-shadow: 0 14px 24px rgba(255, 90, 20, 0.24);
}

.btn-primary:hover {
  background: var(--orange-dark);
}

.btn-secondary,
.btn-outline {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.btn-secondary:hover,
.btn-outline:hover {
  color: var(--orange-dark);
  border-color: rgba(255, 90, 20, 0.5);
}

.btn-white {
  color: var(--orange-dark);
  background: #fff;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 660px;
  padding: 76px 0 54px;
  background:
    linear-gradient(100deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.96) 45%, rgba(245, 246, 245, 0.86) 100%),
    radial-gradient(circle at 76% 32%, rgba(255, 90, 20, 0.1), transparent 34%),
    linear-gradient(135deg, #ffffff, #eef1f2);
}

.hero::after {
  content: "";
  position: absolute;
  right: -72px;
  bottom: 0;
  width: 220px;
  height: 220px;
  background: var(--orange);
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
  opacity: 0.9;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 56px;
  align-items: center;
}

.hero-copy {
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(3rem, 5.6vw, 5.25rem);
  line-height: 0.99;
  letter-spacing: 0;
}

h1 span,
h2 span {
  color: var(--orange);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.2vw, 3.1rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
  line-height: 1.22;
  letter-spacing: 0;
}

.hero-lead,
.section-copy p,
.product-intro p,
.measures-copy p,
.contact-info p {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-lead {
  max-width: 560px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.hero-points div {
  display: grid;
  grid-template-columns: 38px auto;
  gap: 2px 12px;
  align-items: center;
  min-width: 148px;
}

.hero-points strong,
.hero-points span:not(.mini-icon) {
  display: block;
  font-size: 0.88rem;
}

.hero-points span:not(.mini-icon) {
  color: var(--muted);
}

.mini-icon {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--orange);
  border: 1px solid rgba(255, 90, 20, 0.35);
  border-radius: 8px;
}

.mini-icon svg,
.card-icon svg,
.whatsapp-float svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.product-stage {
  position: relative;
  width: min(100%, 720px);
  min-height: 430px;
  display: grid;
  place-items: center;
}

.product-stage::before {
  content: "";
  position: absolute;
  inset: 14% 8% 7% 12%;
  background: linear-gradient(135deg, rgba(27, 32, 36, 0.08), rgba(255, 90, 20, 0.18));
  clip-path: polygon(10% 0, 100% 0, 88% 100%, 0 100%);
}

.product-stage img {
  position: relative;
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  filter: drop-shadow(0 34px 32px rgba(20, 24, 28, 0.26));
}

.section {
  padding: 88px 0;
}

.about {
  background: #fff;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.industrial-frame {
  min-height: 320px;
  padding: 28px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(20, 24, 28, 0.75), rgba(20, 24, 28, 0.08)),
    linear-gradient(135deg, #2c3338, #f4f5f5 52%);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.spark-image {
  max-height: 360px;
  object-fit: contain;
  filter: drop-shadow(0 22px 20px rgba(20, 24, 28, 0.18));
}

.fact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.fact-row div {
  min-height: 80px;
  padding-left: 18px;
  border-left: 3px solid var(--orange);
}

.fact-row span,
.fact-row strong {
  display: block;
}

.fact-row span {
  margin-bottom: 3px;
  color: var(--ink);
  font-weight: 700;
}

.fact-row strong {
  color: var(--muted);
  font-size: 0.86rem;
}

.features {
  background: var(--soft);
}

.feature-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 2.8fr);
  gap: 46px;
  align-items: start;
}

.feature-intro h2 {
  max-width: 320px;
  font-size: clamp(2rem, 2.7vw, 2.75rem);
  overflow-wrap: anywhere;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.feature-card {
  min-height: 178px;
  padding: 22px 16px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(20, 24, 28, 0.06);
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin: 0 auto 16px;
  color: var(--orange);
  border: 1px solid rgba(255, 90, 20, 0.26);
  border-radius: 8px;
}

.products {
  background: #fff;
}

.product-layout {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 34px;
  align-items: start;
}

.product-intro .btn {
  margin-top: 16px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.product-card {
  min-height: 340px;
  padding: 18px;
  background: #f6f7f7;
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.product-card img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  margin-bottom: 18px;
}

.product-card p {
  color: var(--muted);
  font-size: 0.9rem;
}

.product-card a {
  color: var(--orange-dark);
  font-size: 0.9rem;
  font-weight: 700;
}

.product-card a::after {
  content: " ->";
}

.measures {
  background: var(--soft);
}

.measures-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 34px;
  align-items: start;
}

.measures-table {
  display: grid;
  grid-template-columns: repeat(6, minmax(138px, 1fr));
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(20, 24, 28, 0.06);
}

.measures-table ul {
  margin: 0;
  padding: 20px 18px;
  list-style: none;
  border-right: 1px solid var(--line);
}

.measures-table ul:last-child {
  border-right: 0;
}

.measures-table li {
  padding: 5px 0;
  color: #394147;
  font-size: 0.92rem;
  white-space: nowrap;
}

.measure-note {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  color: var(--muted);
}

.measure-note a {
  color: var(--orange-dark);
  font-weight: 700;
}

.cta-band {
  padding: 34px 0;
  color: #fff;
  background: linear-gradient(90deg, var(--orange), #ff6d22);
}

.cta-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-grid div {
  display: flex;
  align-items: center;
  gap: 22px;
}

.cta-grid h2 {
  max-width: 520px;
  margin: 0;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
}

.cube {
  width: 48px;
  height: 48px;
  border: 3px solid #fff;
  border-radius: 8px;
  transform: rotate(45deg);
}

.contact {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.93) 58%, rgba(20, 24, 28, 0.78) 100%),
    linear-gradient(135deg, #f6f7f7, #293036);
}

.contact::after {
  content: "A";
  position: absolute;
  right: 9%;
  bottom: 22%;
  color: rgba(255, 90, 20, 0.92);
  font-size: 8rem;
  font-weight: 700;
  transform: skew(-8deg);
}

.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.74fr 1fr;
  gap: 70px;
  align-items: start;
}

.contact-info address {
  display: grid;
  gap: 2px;
  margin: 28px 0 18px;
  color: var(--muted);
  font-style: normal;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list a {
  color: var(--ink);
  font-weight: 700;
}

.contact-list a:hover {
  color: var(--orange-dark);
}

.contact-form {
  padding: 28px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

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

label {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
}

label span {
  color: #4b545c;
  font-size: 0.84rem;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fff;
  outline: 0;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: rgba(255, 90, 20, 0.64);
  box-shadow: 0 0 0 3px rgba(255, 90, 20, 0.1);
}

.form-status {
  min-height: 20px;
  margin: 14px 0 0;
  color: var(--orange-dark);
  font-size: 0.9rem;
  font-weight: 700;
}

.site-footer {
  padding: 52px 0 20px;
  color: rgba(255, 255, 255, 0.76);
  background: #161b1f;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.8fr 1.2fr;
  gap: 48px;
}

.footer-brand img {
  width: 180px;
  height: auto;
  margin-bottom: 18px;
}

.footer-grid h3 {
  margin-bottom: 18px;
  color: #fff;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.footer-grid a,
.footer-grid p {
  display: block;
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.footer-grid a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.54);
}

.whatsapp-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: #fff;
  background: #25d366;
  border-radius: 8px;
  box-shadow: 0 16px 30px rgba(20, 24, 28, 0.22);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav,
  .header-side {
    position: fixed;
    left: 0;
    right: 0;
    display: none;
    padding: 0 24px;
    background: #161b1f;
  }

  .site-nav {
    top: 88px;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav a {
    padding: 18px 0;
  }

  .header-side {
    top: 360px;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 24px;
  }

  .site-nav.is-open,
  .header-side.is-open {
    display: flex;
  }

  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .feature-layout,
  .product-layout,
  .measures-layout {
    grid-template-columns: 1fr;
  }

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

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

  .measures-table {
    overflow-x: auto;
  }

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

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 30px), var(--max));
  }

  .site-header {
    min-height: 76px;
    padding-inline: 15px;
  }

  .brand img {
    width: 152px;
  }

  .site-nav {
    top: 76px;
  }

  .header-side {
    top: 348px;
  }

  .hero {
    min-height: auto;
    padding: 52px 0 44px;
  }

  .hero-grid {
    gap: 32px;
  }

  h1 {
    font-size: clamp(2.55rem, 13vw, 4.2rem);
  }

  .hero-actions,
  .cta-grid,
  .cta-grid div,
  .footer-bottom {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn,
  .cta-grid .btn {
    width: 100%;
  }

  .hero-points,
  .fact-row,
  .feature-grid,
  .product-grid,
  .field-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .product-stage {
    min-height: 260px;
  }

  .section {
    padding: 64px 0;
  }

  .industrial-frame {
    min-height: 250px;
    padding: 18px;
  }

  .measures-table {
    display: flex;
    overflow-x: auto;
  }

  .measures-table ul {
    min-width: 170px;
  }

  .measure-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact::after {
    display: none;
  }

  .contact-form {
    padding: 20px;
  }
}