:root {
  color-scheme: dark;
  --background: #000000;
  --surface: rgba(18, 18, 18, 0.94);
  --surface-strong: #111111;
  --accent: #ff5500;
  --accent-strong: #ff6a1a;
  --accent-soft: rgba(255, 85, 0, 0.16);
  --text: #f9f9f9;
  --muted: #c6c6c6;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 24px;
  --button-text: #ffffff;
  font-family: 'Inter', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--text);
  position: relative;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  transition: opacity 0.4s ease;
}

body::before {
  background: radial-gradient(circle at 20% 10%, rgba(255, 85, 0, 0.18), transparent 24%),
              radial-gradient(circle at 80% 20%, rgba(255, 85, 0, 0.10), transparent 20%),
              radial-gradient(circle at 20% 80%, rgba(255, 85, 0, 0.08), transparent 24%);
  opacity: 0.95;
}

body::after {
  background: linear-gradient(120deg, rgba(255, 85, 0, 0.04), transparent 35%, rgba(255, 85, 0, 0.06) 70%, transparent);
  mix-blend-mode: screen;
  opacity: 0.8;
}

body:hover::before,
body:hover::after {
  opacity: 1;
}

img {
  max-width: 100%;
  display: block;
}

button, .button {
  font: inherit;
  cursor: pointer;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: var(--text);
}

.brand-logo {
  width: 42px;
  height: 42px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.96rem;
  letter-spacing: 0.01em;
  transition: color 180ms ease;
}

.nav a:hover {
  color: var(--accent);
}

.nav-cta {
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: var(--button-text);
  box-shadow: 0 18px 60px rgba(255, 85, 0, 0.24);
}

.nav a.nav-cta:hover {
  color: var(--button-text);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 50%;
  width: 22px;
  height: 2px;
  background: var(--text);
  transform: translateX(-50%);
  border-radius: 999px;
}

.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 22px; }
.nav-toggle span:nth-child(3) { top: 31px; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  padding: 5rem 2rem 3rem;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  font-size: 0.8rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.1rem, 4.4vw, 4.8rem);
  line-height: 1.02;
}

.hero p {
  max-width: 38rem;
  line-height: 1.8;
  color: var(--muted);
  margin: 1.5rem 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.8rem;
  border-radius: 999px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: var(--button-text);
  box-shadow: 0 18px 55px rgba(255, 85, 0, 0.24);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary:hover {
  box-shadow: 0 20px 60px rgba(255, 85, 0, 0.35);
}

.button-secondary:hover {
  background: rgba(255, 85, 0, 0.12);
  border-color: rgba(255, 85, 0, 0.5);
  color: var(--button-text);
}

.button:focus-visible,
.nav a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  position: relative;
  width: min(520px, 100%);
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: rgba(15, 15, 15, 0.86);
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 85, 0, 0.18), transparent 45%, rgba(255, 85, 0, 0.08));
  z-index: -1;
}

.hero-card .tag {
  display: inline-flex;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 85, 0, 0.12);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
}

.hero-card h2 {
  margin: 1.5rem 0 0.75rem;
  font-size: 1.9rem;
}

.hero-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.metrics {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.metrics div {
  padding: 1.2rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.metrics div:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 85, 0, 0.35);
  background: rgba(255, 85, 0, 0.08);
}

.metrics strong {
  display: block;
  font-size: 1.15rem;
  color: #ffffff;
}

.metrics span {
  color: var(--muted);
  display: block;
  margin-top: 0.4rem;
}

.section {
  padding: 4.5rem 2rem;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

.surface {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.section-intro {
  max-width: 720px;
  margin-bottom: 2.2rem;
}

.section-intro h2 {
  margin: 0.4rem 0 1rem;
  font-size: clamp(2rem, 2.8vw, 3rem);
}

.cards-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 85, 0, 0.35);
  background: rgba(255, 85, 0, 0.08);
}

.card h3 {
  margin: 0 0 1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.section-highlight {
  background: linear-gradient(180deg, rgba(255, 85, 0, 0.08), transparent 65%),
              var(--background);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.highlight-panel {
  padding: 2rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(20, 20, 20, 0.98), rgba(10, 10, 10, 0.96));
  border: 1px solid rgba(255, 85, 0, 0.16);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.steps {
  display: grid;
  gap: 1rem;
}

.steps div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.steps span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: var(--button-text);
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(255, 85, 0, 0.25);
}

.feature-list {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.feature-list li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--muted);
}

.feature-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 85, 0, 0.35);
  background: rgba(255, 85, 0, 0.08);
}

.info-panel {
  display: grid;
  gap: 1rem;
}

.info-box {
  padding: 1.2rem 1.4rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.info-box:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 85, 0, 0.35);
  background: rgba(255, 85, 0, 0.08);
}

.info-box strong {
  display: block;
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.info-box span {
  color: var(--muted);
  line-height: 1.6;
}

.feature-card h3 {
  margin: 0 0 1rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.action-panel {
  padding: 4rem 2rem;
}

.action-card {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  text-align: center;
  transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.action-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 85, 0, 0.35);
  background: rgba(255, 85, 0, 0.08);
}

.action-card h2 {
  margin: 0.8rem 0 1.6rem;
  font-size: clamp(2rem, 2.8vw, 3rem);
}

.action-actions {
  justify-content: center;
}

.contact-email {
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.contact-email a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.contact-email a:hover {
  text-decoration: underline;
}

.footer {
  position: relative;
  padding: 1.5rem 2rem 2rem;
  color: var(--muted);
  text-align: center;
}

.footer::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 90px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0));
  backdrop-filter: blur(14px);
  opacity: 1;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

body.scrolled .footer::after {
  opacity: 0;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .split {
    grid-template-columns: 1fr;
  }

  .split-reverse {
    direction: ltr;
  }

  .grid-3,
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .topbar {
    gap: 1rem;
    padding: 1rem 1.25rem;
  }

  .nav {
    display: none;
    position: absolute;
    inset: 74px 1.25rem auto;
    flex-direction: column;
    width: calc(100% - 2.5rem);
    padding: 1.2rem;
    border-radius: 22px;
    background: rgba(10, 10, 10, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.9rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .nav-toggle {
    display: inline-flex;
  }
}
