/* ============ Stabolut v2 — liquid glass edition ============ */
:root {
  --bg: #000000;
  --bg-soft: #05080a;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --text: #f6f8f9;
  --text-muted: #8c9aa3;
  --accent: #ff8a2a;
  --accent-blue: #4ea8e6;
  --radius: 22px;
  --display: 'Space Grotesk', system-ui, sans-serif;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 90%); margin-inline: auto; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.section-title { font-size: clamp(2rem, 5vw, 3.4rem); margin-bottom: 3rem; text-align: center; }
.section-title.left { text-align: left; }
.usb-gradient {
  background: linear-gradient(100deg, var(--accent-blue), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--text);
  color: #000;
  font-family: var(--font);
  font-weight: 600;
  padding: 0.8rem 1.8rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 0.98rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255, 138, 42, 0.3); }
.btn-small { padding: 0.55rem 1.4rem; font-size: 0.88rem; }

/* ============ Header ============ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; }
.logo { font-family: var(--display); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.04em; }
.main-nav { display: flex; align-items: center; gap: 2rem; }
.main-nav a:not(.btn) { color: var(--text-muted); font-size: 0.92rem; font-weight: 500; transition: color 0.2s; }
.main-nav a:not(.btn):hover { color: var(--text); }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--bg);
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: saturate(0.7) brightness(0.7);
}
/* radial glow that sits behind the glass blob */
.hero-bg-glow {
  position: absolute;
  left: 50%; top: 52%;
  width: 80vmin; height: 80vmin;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle at 38% 38%, rgba(78,168,230,0.30), transparent 60%),
    radial-gradient(circle at 64% 64%, rgba(255,138,42,0.28), transparent 60%);
  filter: blur(40px);
  opacity: 0.9;
  pointer-events: none;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0) 40%, rgba(0,0,0,0.55) 78%, var(--bg) 100%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 3; padding-top: 4rem; pointer-events: none; }
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 16ch;
  margin-inline: auto;
  text-shadow: 0 4px 60px rgba(0,0,0,0.7);
}
.backers { margin-top: 3.5rem; }
.backers p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.2rem; letter-spacing: 0.02em; }
.backer-logos { display: flex; align-items: center; justify-content: center; gap: 3rem; flex-wrap: wrap; }
.backer-logos img { height: 34px; width: auto; opacity: 0.8; }

/* scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 38px;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  z-index: 3;
}
.scroll-cue span {
  position: absolute; left: 50%; top: 8px;
  width: 3px; height: 7px; border-radius: 2px;
  background: rgba(255,255,255,0.7);
  transform: translateX(-50%);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue { 0%,100%{opacity:0; transform:translate(-50%,0)} 50%{opacity:1; transform:translate(-50%,10px)} }

/* ============ Meet ============ */
.meet { padding: 8rem 0 3rem; }
.meet-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem; }
.meet-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}
.meet-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 138, 42, 0.45);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.meet-card-img { aspect-ratio: 3 / 2; overflow: hidden; background: #000; }
.meet-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.meet-card:hover .meet-card-img img { transform: scale(1.05); }
.meet-card h3 { font-size: 1.55rem; padding: 1.8rem 1.9rem 0.5rem; }
.meet-card p { color: var(--text-muted); padding: 0 1.9rem 1.9rem; font-size: 0.98rem; }

/* ============ Features ============ */
.features { padding: 5rem 0; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.2rem 1.6rem; }
.feature {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: var(--radius);
  transition: transform 0.3s ease, background 0.3s ease;
}
.feature:hover { transform: translateY(-6px); background: var(--surface); }
.feature img { width: 110px; height: 110px; object-fit: contain; margin: 0 auto 1.2rem; filter: drop-shadow(0 10px 30px rgba(78,168,230,0.25)); }
.feature h4 { font-size: 1.2rem; margin-bottom: 0.45rem; }
.feature p { color: var(--text-muted); font-size: 0.95rem; max-width: 26ch; margin-inline: auto; }

/* ============ Press marquee (continuous carousel) ============ */
.press { padding: 4rem 0; }
.press-label { color: var(--text-muted); margin-bottom: 2rem; text-align: center; font-size: 0.9rem; letter-spacing: 0.04em; }
.marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  background: var(--bg);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 5rem;
  width: max-content;
  animation: marqueeScroll 50s linear infinite;
  padding-block: 1rem;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track img {
  height: 32px;
  width: auto;
  opacity: 0.45;
  filter: brightness(0) invert(1) saturate(0.8);
  transition: opacity 0.3s ease;
  flex-shrink: 0;
}
.marquee-track img:hover { opacity: 1; }
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============ Ecosystem (light contrast band) ============ */
.ecosystem {
  background: #eceef3;
  padding: 5.5rem 0;
  margin: 2rem 0;
}
.ecosystem .container {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2.5rem;
  align-items: center;
}
.ecosystem .section-title {
  text-align: left;
  color: #0b1116;
  margin-bottom: 0;
}
.ecosystem-img { width: min(560px, 100%); margin-inline: auto; }

/* ============ Testimonial ============ */
.testimonial { padding: 6rem 0; text-align: center; }
.testimonial blockquote h3 {
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  max-width: 24ch;
  margin-inline: auto;
  background: linear-gradient(180deg, #fff, #b9c4cb);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.testimonial-author {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: left;
}
.testimonial-author img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; border: 1px solid var(--border); }
.testimonial-author h4 { font-size: 1.05rem; }
.testimonial-author p { color: var(--text-muted); font-size: 0.9rem; }

/* ============ Reports slider ============ */
.reports { padding: 5rem 0; }
.slider { position: relative; }
.slides { position: relative; min-height: 320px; }
.slide {
  display: none;
  grid-template-columns: 1.05fr 1fr;
  gap: 0;
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.slide.is-active { display: grid; animation: fadeIn 0.5s ease; }
.slide img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
.slide-body { padding: 3rem; display: flex; flex-direction: column; justify-content: center; }
.slide-body h3 { font-size: clamp(1.3rem, 2.5vw, 2rem); margin-bottom: 1.8rem; }
.slider-nav { display: flex; align-items: center; justify-content: center; gap: 1.5rem; margin-top: 2rem; }
.slider-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  width: 46px; height: 46px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.slider-btn:hover { border-color: var(--accent); background: rgba(255, 138, 42, 0.12); transform: translateY(-2px); }
.slider-count { color: var(--text-muted); font-size: 0.9rem; letter-spacing: 0.12em; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ============ FAQ ============ */
.faq { padding: 6rem 0; }
.faq-list { max-width: 820px; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font);
  font-size: 1.12rem;
  font-weight: 500;
  text-align: left;
  padding: 1.6rem 0.2rem;
  cursor: pointer;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--accent); }
.faq-question .chevron { width: 22px; height: 22px; transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.open .chevron { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer p { color: var(--text-muted); padding: 0 0.2rem 1.6rem; max-width: 72ch; }

/* ============ Contact ============ */
.contact { padding: 5rem 0 8rem; }
.contact-form {
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
}
.contact-form label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.contact-form input,
.contact-form textarea {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  padding: 1rem 1.2rem;
  transition: border-color 0.2s, background 0.2s;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--accent-blue); background: rgba(0,0,0,0.5); }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-muted); }
.btn-submit { align-self: flex-start; }
.form-status { color: var(--accent-blue); font-size: 0.95rem; min-height: 1.4em; }

/* ============ Footer ============ */
.site-footer { border-top: 1px solid var(--border); padding: 4rem 0 2.5rem; }
.socials { display: flex; justify-content: center; gap: 1.2rem; margin-bottom: 2.5rem; }
.socials a { transition: transform 0.2s ease, opacity 0.2s; opacity: 0.8; }
.socials a:hover { transform: translateY(-3px); opacity: 1; }
.socials img { width: 42px; height: 42px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  flex-wrap: wrap;
}
.footer-bottom a:hover { color: var(--text); }

/* ============ Reveal on scroll ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track, .scroll-cue span { animation: none; }
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .slide { grid-template-columns: 1fr; }
  .slide img { max-height: 260px; min-height: 0; }
  .ecosystem .container { grid-template-columns: 1fr; gap: 1.5rem; }
  .ecosystem .section-title { text-align: center; }
}
@media (max-width: 640px) {
  .main-nav a:not(.btn) { display: none; }
  .meet { padding-top: 5rem; }
  .meet-cards, .features-grid { grid-template-columns: 1fr; }
  .feature img { width: 96px; height: 96px; }
  .backer-logos { gap: 1.8rem; }
  .backer-logos im