:root {
  --col-bg: #0a0a0a;
  --col-surface: #141414;
  --col-surface-alt: #1f1f1f;
  --col-text-main: #f0f0f0;
  --col-text-muted: #888888;
  --col-accent: #ff4d00;
  --col-accent-dim: rgba(255, 77, 0, 0.1);
  --font-head: 'Syne', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Inter', sans-serif;
  --container-width: 1280px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --spacing-unit: 1rem;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--col-bg);
  color: var(--col-text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
ul { list-style: none; }
img { max-width: 100%; display: block; height: auto; }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 8vw, 5rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); margin-bottom: 0.5rem; }

p { margin-bottom: 1.5rem; color: var(--col-text-muted); max-width: 65ch; }

.mono { font-family: var(--font-mono); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* Utility */
.wrap {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: clamp(1rem, 4vw, 2.5rem);
  padding-right: clamp(1rem, 4vw, 2.5rem);
}

.section {
  padding-top: clamp(4rem, 10vh, 8rem);
  padding-bottom: clamp(4rem, 10vh, 8rem);
  border-bottom: 1px solid var(--col-surface);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--col-accent);
  color: #fff;
}

.btn-primary:hover {
  background-color: #e04400;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -10px var(--col-accent-dim);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--col-text-main);
  color: var(--col-text-main);
}

.btn-outline:hover {
  background-color: var(--col-text-main);
  color: var(--col-bg);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--col-surface);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header__logo {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--col-text-main);
  letter-spacing: -0.05em;
}

.header__logo span { color: var(--col-accent); }

.header__nav { display: flex; gap: 2rem; }

.header__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--col-text-muted);
  position: relative;
}

.header__link:hover, .header__link.active { color: var(--col-text-main); }
.header__link::after {
  content: '';
  position: absolute;
  bottom: -5px; left: 0; width: 0; height: 2px;
  background: var(--col-accent);
  transition: width 0.3s ease;
}
.header__link:hover::after { width: 100%; }

.header__actions { display: flex; gap: 1.5rem; align-items: center; }

/* Hero */
.hero { padding-top: 12rem; padding-bottom: 10rem; position: relative; overflow: hidden; }
.hero::before {
  content: '';
  position: absolute; top: -20%; right: -10%; width: 60%; height: 60%;
  background: radial-gradient(circle, var(--col-accent-dim) 0%, transparent 70%);
  opacity: 0.5; filter: blur(80px); z-index: -1;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__eyebrow { color: var(--col-accent); font-weight: 700; margin-bottom: 1.5rem; display: block; }
.hero__title { margin-bottom: 1.5rem; color: #fff; }
.hero__subtitle { font-size: clamp(1.2rem, 2vw, 1.5rem); margin-bottom: 3rem; color: var(--col-text-main); }
.hero__buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__image-wrapper {
  position: relative;
  border: 1px solid var(--col-surface);
  padding: 1rem;
  background: var(--col-surface);
}

.hero__img {
  width: 100%;
  height: auto;
  filter: grayscale(100%) contrast(1.2);
  transition: filter 0.5s ease;
}
.hero__image-wrapper:hover .hero__img { filter: grayscale(0%) contrast(1); }

/* Grid Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.card {
  background: var(--col-surface);
  border: 1px solid var(--col-surface-alt);
  padding: 2.5rem;
  transition: transform 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 350px;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--col-accent);
}

.card__tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--col-accent);
  margin-bottom: 1rem;
  display: inline-block;
}

.card__title { color: var(--col-text-main); font-size: 1.5rem; margin-bottom: 1rem; }
.card__text { font-size: 0.95rem; margin-bottom: 2rem; }

/* Stats */
.stats {
  border-top: 1px solid var(--col-surface);
  border-bottom: 1px solid var(--col-surface);
  padding: 4rem 0;
}
.stats__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  text-align: center;
}
.stat__number {
  font-family: var(--font-head);
  font-size: clamp(3rem, 6vw, 5rem);
  color: var(--col-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat__label { font-family: var(--font-mono); font-size: 0.8rem; color: var(--col-text-muted); text-transform: uppercase; }

/* CTA */
.cta {
  background-color: var(--col-surface-alt);
  text-align: center;
}

.cta__title { color: var(--col-text-main); margin-bottom: 2rem; }
.cta__text { margin: 0 auto 3rem auto; color: var(--col-text-muted); }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--col-surface); padding: 1.5rem 0; }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.1rem;
}
.faq-q:hover { color: var(--col-accent); }
.faq-a {
  margin-top: 1rem;
  padding-top: 1rem;
  color: var(--col-text-muted);
  display: none;
}
.faq-item.active .faq-a { display: block; }
.faq-icon { transition: transform 0.3s ease; font-size: 1.5rem; color: var(--col-accent); }
.faq-item.active .faq-icon { transform: rotate(45deg); }

/* Footer */
.footer {
  padding: 5rem 0;
  background-color: #000;
  font-size: 0.9rem;
  color: var(--col-text-muted);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer__brand h4 { color: var(--col-text-main); margin-bottom: 1rem; }
.footer__col h5 { color: var(--col-text-main); margin-bottom: 1.5rem; font-size: 0.9rem; }
.footer__links li { margin-bottom: 0.75rem; }
.footer__links a:hover { color: var(--col-accent); text-decoration: underline; text-decoration-color: var(--col-accent); }

.footer__bottom {
  border-top: 1px solid var(--col-surface);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Responsive */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero { padding-top: 8rem; }
  .header__nav { display: none; } /* Simplified for static demo */
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }
} img,svg,video{max-width:100%;height:auto} *{box-sizing:border-box} body{margin:0}