:root {
  --dark: #100c1a;
  --dark-2: #171225;
  --ink: #17131f;
  --text: #f8f7ff;
  --muted: #bdb5d8;
  --yellow: #ffd200;
  --orange: #ff7a00;
  --red: #ff1744;
  --pink: #ff2ea6;
  --blue: #24b7ff;
  --green: #2cff8d;
  --card: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.16);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 210, 0, 0.2), transparent 26rem),
    radial-gradient(circle at 88% 18%, rgba(36, 183, 255, 0.18), transparent 28rem),
    linear-gradient(180deg, #0e0a18 0%, #170f26 44%, #0f0b18 100%);
  overflow-x: hidden;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(12, 8, 20, 0.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand img {
  width: 184px;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
  font-size: 0.95rem;
}

.main-nav a {
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -8px;
  width: 0;
  height: 3px;
  border-radius: 20px;
  background: linear-gradient(90deg, var(--yellow), var(--red), var(--blue));
  transition: width 0.25s ease;
}

.main-nav a:hover::after {
  left: 0;
  width: 100%;
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 999px;
  border: 0;
  padding: 0 22px;
  font-weight: 900;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.header-cta,
.btn-primary {
  color: #140d00;
  background: linear-gradient(135deg, var(--yellow), var(--orange), var(--red));
  box-shadow: 0 16px 34px rgba(255, 122, 0, 0.3);
}

.btn-secondary {
  color: white;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.header-cta:hover,
.btn:hover {
  transform: translateY(-3px);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 150px clamp(20px, 5vw, 80px) 90px;
  overflow: hidden;
}

.video-bg,
.video-bg iframe,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.video-bg {
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: #090711;
}

.video-bg iframe {
  width: 100vw;
  height: 56.25vw;
  min-height: 100vh;
  min-width: 177.77vh;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 0;
  opacity: 0.4;
}

.hero-overlay {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(13, 8, 23, 0.94), rgba(13, 8, 23, 0.72), rgba(13, 8, 23, 0.92)),
    radial-gradient(circle at 70% 30%, rgba(255, 46, 166, 0.22), transparent 24rem);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1020px, 100%);
  text-align: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--yellow);
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(3.2rem, 8vw, 8.6rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
  text-transform: uppercase;
  text-shadow: 0 4px 0 rgba(0, 0, 0, 0.38);
}

h2 {
  font-size: clamp(2.1rem, 4.4vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
  margin-bottom: 22px;
}

h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

.hero-text {
  max-width: 790px;
  margin: 0 auto 34px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 42px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 760px;
  margin: 0 auto;
}

.hero-stats div {
  padding: 20px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(14px);
}

.hero-stats strong {
  display: block;
  color: var(--yellow);
  font-size: 2rem;
  line-height: 1;
}

.hero-stats span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.section,
.split-section {
  padding: clamp(70px, 9vw, 140px) clamp(20px, 5vw, 80px);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
}

.split-image {
  position: relative;
}

.split-image::before {
  content: "";
  position: absolute;
  inset: -16px;
  border-radius: 38px;
  background: linear-gradient(135deg, var(--yellow), var(--pink), var(--blue), var(--green));
  filter: blur(18px);
  opacity: 0.45;
  z-index: -1;
}

.split-image img,
.performance-panel,
.contact-card,
.service-card {
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.split-image img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
}

.split-copy p,
.section-head p,
.method-card p,
.card-content p,
.contact-copy p,
.check-list {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.75;
  font-size: 1.03rem;
}

.section-head {
  max-width: 850px;
  margin: 0 auto 44px;
  text-align: center;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.service-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  transform: translateZ(0);
}

.service-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover img {
  transform: scale(1.08);
}

.card-content {
  padding: 24px;
}

.card-content svg,
.method-card svg {
  width: 32px;
  height: 32px;
  color: var(--yellow);
  margin-bottom: 18px;
}

.method {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 210, 0, 0.13), transparent 30%),
    linear-gradient(225deg, rgba(36, 183, 255, 0.12), transparent 32%),
    #0b0713;
}

.method-bg {
  position: absolute;
  inset: 0;
  background-image: url("images/ART4-100.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.09;
  mix-blend-mode: screen;
}

.method > *:not(.method-bg) {
  position: relative;
  z-index: 1;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.method-card {
  min-height: 270px;
  padding: 30px;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.085);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.method-card span {
  display: inline-flex;
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.35);
  font-size: 2.2rem;
  font-weight: 950;
}

.accent-card {
  background: linear-gradient(135deg, rgba(255, 210, 0, 0.22), rgba(255, 46, 166, 0.16), rgba(36, 183, 255, 0.16));
}

.performance-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 40px);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04)),
    #171123;
  border: 1px solid var(--border);
}

.target-icon {
  width: 120px;
  margin-left: auto;
  margin-bottom: -20px;
  filter: drop-shadow(0 15px 30px rgba(36, 183, 255, 0.25));
}

.panel-card {
  position: relative;
  z-index: 2;
  max-width: 420px;
  padding: 28px;
  border-radius: 28px;
  background: rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.panel-card p {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 0;
}

.panel-img {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: 28px;
  margin-top: 22px;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 13px 0;
}

.check-list svg {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  color: var(--green);
  margin-top: 3px;
}

.gallery-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 280px;
}

.gallery-strip img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  filter: saturate(1.25) contrast(1.05);
}

.contact {
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 46, 166, 0.2), transparent 26rem),
    radial-gradient(circle at 85% 25%, rgba(44, 255, 141, 0.16), transparent 24rem);
}

.contact-card {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(26px, 5vw, 70px);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05)),
    rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
}

.lead-form {
  display: grid;
  gap: 18px;
}

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

label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.84);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  padding: 15px 16px;
  color: white;
  background: rgba(9, 7, 17, 0.72);
  outline: none;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 4px rgba(255, 210, 0, 0.15);
}

.form-note {
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.9rem;
  margin: -4px 0 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 30px clamp(20px, 5vw, 80px);
  background: #090711;
  color: rgba(255, 255, 255, 0.58);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer img {
  width: 160px;
}

@media (max-width: 1100px) {
  .cards-grid,
  .method-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .main-nav {
    display: none;
  }
}

@media (max-width: 800px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand img {
    width: 142px;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 14px;
    font-size: 0.85rem;
  }

  .hero {
    min-height: 92vh;
    padding: 125px 18px 70px;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 5rem);
  }

  .hero-stats,
  .split-section,
  .contact-card,
  .form-row {
    grid-template-columns: 1fr;
  }

  .split-image img {
    min-height: 300px;
  }

  .cards-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }

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

  .site-footer {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 500px) {
  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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