/* ========= Base ========= */
:root {
  --bg: #08080d;
  --bg-raise: #10101a;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f2f2f7;
  --text-dim: #9d9dae;
  --accent: #7c6cff;
  --accent-2: #2fd4ff;
  --grad: linear-gradient(100deg, var(--accent), var(--accent-2));
  --radius: 18px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1 { font-size: clamp(2.8rem, 7vw, 5.2rem); font-weight: 700; }
h1 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 700; }

section { padding: clamp(4rem, 9vw, 8rem) clamp(1.25rem, 6vw, 6rem); position: relative; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-2);
  margin-bottom: 1rem;
}

.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-sub { color: var(--text-dim); margin-top: 1.25rem; font-size: 1.05rem; }

/* ========= Background orbs ========= */
.bg-orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(110px); opacity: 0.35; }
.orb-a { width: 46vw; height: 46vw; background: #4d3dd8; top: -14vw; right: -10vw; animation: drift 22s ease-in-out infinite alternate; }
.orb-b { width: 34vw; height: 34vw; background: #0e5d75; bottom: -12vw; left: -10vw; animation: drift 26s ease-in-out infinite alternate-reverse; }
.orb-c { width: 20vw; height: 20vw; background: #6c2bd9; top: 55%; left: 55%; opacity: 0.18; animation: drift 30s ease-in-out infinite alternate; }
@keyframes drift { to { transform: translate(6vw, 4vw) scale(1.12); } }

/* ========= Nav ========= */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem clamp(1.25rem, 6vw, 6rem);
  background: rgba(8, 8, 13, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-logo {
  font-family: var(--font-display); font-weight: 700; font-size: 1.5rem;
  color: var(--text); text-decoration: none;
}
.nav-logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 1.8rem; }
.nav-links a {
  color: var(--text-dim); text-decoration: none; font-size: 0.92rem; font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
@media (max-width: 640px) { .nav-links { display: none; } }

/* ========= Buttons ========= */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  padding: 0.8rem 1.6rem; border-radius: 999px; cursor: pointer;
  text-decoration: none; border: 1px solid transparent;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s, border-color 0.18s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--grad); color: #0a0a12;
  box-shadow: 0 8px 30px rgba(124, 108, 255, 0.35);
}
.btn-primary:hover { box-shadow: 0 12px 40px rgba(47, 212, 255, 0.45); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.04); color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.3); }

/* ========= Hero ========= */
.hero {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: center;
  min-height: calc(92vh - 70px);
}
.hero-sub { color: var(--text-dim); font-size: 1.1rem; max-width: 34rem; margin-top: 1.5rem; }
.hero-sub strong { color: var(--text); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; } }

/* Hero quiz widget */
.hero-widget {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(16, 16, 26, 0.75); backdrop-filter: blur(10px);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  transform: rotate(1.5deg);
  transition: transform 0.3s;
}
.hero-widget:hover { transform: rotate(0deg) scale(1.015); }
.widget-chrome {
  display: flex; align-items: center; gap: 6px;
  padding: 0.7rem 1rem; border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}
.widget-chrome span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.16); }
.widget-chrome span:first-child { background: #ff5f57; }
.widget-chrome span:nth-child(2) { background: #febc2e; }
.widget-chrome span:nth-child(3) { background: #28c840; }
.widget-chrome p { margin-left: 0.6rem; font-size: 0.75rem; color: var(--text-dim); font-family: var(--font-display); }
.widget-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.7rem; }
.widget-q { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; margin-bottom: 0.4rem; }
.quiz-opt {
  text-align: left; padding: 0.85rem 1.1rem; border-radius: 12px;
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line);
  color: var(--text); font-family: var(--font-body); font-size: 0.95rem; cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}
.quiz-opt:hover { border-color: var(--accent); transform: translateX(4px); }
.quiz-opt.is-wrong { border-color: #ff5f57; background: rgba(255, 95, 87, 0.1); animation: shake 0.4s; }
.quiz-opt.is-right { border-color: #28c840; background: rgba(40, 200, 64, 0.12); }
@keyframes shake { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
.quiz-feedback { font-size: 0.9rem; color: var(--text-dim); min-height: 1.4em; }
.quiz-feedback.is-right { color: #4ade80; }

/* ========= Logos ========= */
.logos { padding-top: 0; padding-bottom: 3rem; }
.logos-label {
  text-align: center; font-size: 0.8rem; text-transform: uppercase;
  letter-spacing: 0.2em; color: var(--text-dim); margin-bottom: 1.6rem;
}
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; align-items: center; gap: 4.5rem; width: max-content; animation: scroll 30s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track img { width: auto; opacity: 0.6; filter: brightness(0) invert(1); transition: opacity 0.2s; }
.marquee-track img:hover { opacity: 1; }
.marquee-track .lg-wide { height: 22px; }
.marquee-track .lg-mid { height: 30px; }
.marquee-track .lg-tall { height: 46px; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ========= Demo ========= */
.demo-frame {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--bg-raise);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(124, 108, 255, 0.08);
}
.demo-stage { position: relative; aspect-ratio: 16 / 9; background: #000; }
.demo-stage iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.demo-cover {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.2rem;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(124, 108, 255, 0.18), transparent 55%),
    radial-gradient(ellipse at 75% 80%, rgba(47, 212, 255, 0.12), transparent 55%),
    #0b0b12;
  transition: opacity 0.4s;
}
.demo-cover.is-hidden { opacity: 0; pointer-events: none; }
.demo-cover-logo { width: min(46%, 340px); opacity: 0.95; }
.demo-cover p { color: var(--text-dim); font-family: var(--font-display); }
.demo-cover-hint { font-size: 0.8rem; opacity: 0.6; }
.demo-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem;
  padding: 1rem 1.25rem; border-top: 1px solid var(--line);
}
.demo-toolbar .btn { padding: 0.55rem 1.1rem; font-size: 0.85rem; }
.demo-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; margin-left: auto; }
.demo-tags li {
  font-size: 0.72rem; font-family: var(--font-display); font-weight: 500;
  padding: 0.3rem 0.75rem; border-radius: 999px;
  border: 1px solid var(--line); color: var(--text-dim);
}
@media (max-width: 700px) { .demo-tags { display: none; } }

/* ========= Work / tabs ========= */
.tabs { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2.2rem; }
.tab {
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  padding: 0.7rem 1.4rem; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--text-dim); border: 1px solid var(--line);
  transition: all 0.2s;
}
.tab:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.3); }
.tab.is-active { background: var(--grad); color: #0a0a12; border-color: transparent; }

.panel[hidden] { display: none; }

.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.4rem;
}
.card {
  position: relative; display: block; padding: 0; text-align: left;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--bg-raise); cursor: pointer;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 108, 255, 0.5);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}
.card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: block; transition: transform 0.4s; }
.card:hover img { transform: scale(1.045); }
.card-info { padding: 1rem 1.2rem 1.2rem; }
.card-info h3 { font-size: 1.02rem; font-weight: 600; color: var(--text); }
.card-info p { font-size: 0.85rem; color: var(--text-dim); margin-top: 0.25rem; }
.card-wide { grid-column: span 2; }
@media (max-width: 700px) { .card-wide { grid-column: span 1; } }

.card-video::after {
  content: "▶"; position: absolute; top: 14px; right: 14px;
  width: 40px; height: 40px; display: grid; place-items: center;
  font-size: 0.8rem; color: #fff; border-radius: 50%;
  background: rgba(10, 10, 18, 0.65); backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: background 0.2s, transform 0.2s;
}
.card-video:hover::after { background: var(--accent); transform: scale(1.1); }

/* ========= Capabilities ========= */
.cap-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.4rem; }
.cap {
  padding: 1.8rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  transition: border-color 0.25s, background 0.25s;
}
.cap:hover { border-color: rgba(47, 212, 255, 0.4); background: rgba(47, 212, 255, 0.04); }
.cap h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.cap p { color: var(--text-dim); font-size: 0.95rem; }

/* ========= Contact / footer ========= */
.contact { text-align: center; }
.contact-photo-wrap {
  width: 148px; height: 148px; margin: 0 auto 1.8rem;
  border-radius: 50%; padding: 4px;
  background: var(--grad);
  box-shadow: 0 14px 45px rgba(124, 108, 255, 0.35);
}
.contact-photo {
  width: 100%; height: 100%; display: block;
  border-radius: 50%; object-fit: cover; object-position: 50% 18%;
  border: 4px solid var(--bg);
}
.contact .hero-actions { justify-content: center; }
.footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem;
  padding: 2rem clamp(1.25rem, 6vw, 6rem);
  border-top: 1px solid var(--line);
  color: var(--text-dim); font-size: 0.85rem;
}
.footer-note { opacity: 0.6; }

/* ========= Lightbox ========= */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: rgba(4, 4, 8, 0.92); backdrop-filter: blur(8px);
  padding: 4vmin;
}
.lightbox[hidden] { display: none; }
.lightbox-content { width: min(1100px, 100%); }
.lightbox-content iframe { width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 12px; }
.lightbox-content img { max-width: 100%; max-height: 86vh; display: block; margin: 0 auto; border-radius: 12px; }
.lightbox-close {
  position: absolute; top: 20px; right: 24px;
  width: 44px; height: 44px; border-radius: 50%; cursor: pointer;
  background: rgba(255, 255, 255, 0.08); border: 1px solid var(--line); color: var(--text);
  font-size: 1rem;
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.18); }

/* ========= Reveal on scroll ========= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .orb, .marquee-track { animation: none; }
}